Created
July 8, 2011 20:14
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Modified highstock to not throw null error
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// ==ClosureCompiler== | |
// @compilation_level SIMPLE_OPTIMIZATIONS | |
/** | |
* @license Highcharts Stock v1.0 Beta (2011-07-05) | |
* | |
* (c) 2009-2011 Torstein Hønsi | |
* | |
* License: www.highcharts.com/license | |
*/ | |
// JSLint options: | |
/*jslint forin: true */ | |
/*global document, window, navigator, setInterval, clearInterval, clearTimeout, setTimeout, location, jQuery, $ */ | |
(function() { | |
// encapsulated variables | |
var doc = document, | |
win = window, | |
math = Math, | |
mathRound = math.round, | |
mathFloor = math.floor, | |
mathCeil = math.ceil, | |
mathMax = math.max, | |
mathMin = math.min, | |
mathAbs = math.abs, | |
mathCos = math.cos, | |
mathSin = math.sin, | |
mathPI = math.PI, | |
deg2rad = mathPI * 2 / 360, | |
// some variables | |
userAgent = navigator.userAgent, | |
isIE = /msie/i.test(userAgent) && !win.opera, | |
docMode8 = doc.documentMode === 8, | |
isWebKit = /AppleWebKit/.test(userAgent), | |
isFirefox = /Firefox/.test(userAgent), | |
//hasSVG = win.SVGAngle || doc.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#BasicStructure", "1.1"), | |
hasSVG = !!doc.createElementNS && !!doc.createElementNS("http://www.w3.org/2000/svg", "svg").createSVGRect, | |
SVG_NS = 'http://www.w3.org/2000/svg', | |
Renderer, | |
hasTouch = doc.documentElement.ontouchstart !== undefined, | |
symbolSizes = {}, | |
idCounter = 0, | |
timeFactor = 1, // 1 = JavaScript time, 1000 = Unix time | |
garbageBin, | |
defaultOptions, | |
dateFormat, // function | |
globalAnimation, | |
pathAnim, | |
// some constants for frequently used strings | |
UNDEFINED, | |
DIV = 'div', | |
ABSOLUTE = 'absolute', | |
RELATIVE = 'relative', | |
HIDDEN = 'hidden', | |
PREFIX = 'highcharts-', | |
VISIBLE = 'visible', | |
PX = 'px', | |
NONE = 'none', | |
M = 'M', | |
L = 'L', | |
/* | |
* Empirical lowest possible opacities for TRACKER_FILL | |
* IE6: 0.002 | |
* IE7: 0.002 | |
* IE8: 0.002 | |
* IE9: 0.00000000001 (unlimited) | |
* FF: 0.00000000001 (unlimited) | |
* Chrome: 0.000001 | |
* Safari: 0.000001 | |
* Opera: 0.00000000001 (unlimited) | |
*/ | |
TRACKER_FILL = 'rgba(192,192,192,'+ (hasSVG ? 0.000001 : 0.002) +')', // invisible but clickable | |
//TRACKER_FILL = 'rgba(192,192,192,0.5)', | |
NORMAL_STATE = '', | |
HOVER_STATE = 'hover', | |
SELECT_STATE = 'select', | |
MILLISECOND = 'millisecond', | |
SECOND = 'second', | |
MINUTE = 'minute', | |
HOUR = 'hour', | |
DAY = 'day', | |
WEEK = 'week', | |
MONTH = 'month', | |
YEAR = 'year', | |
// constants for attributes | |
FILL = 'fill', | |
LINEAR_GRADIENT = 'linearGradient', | |
STOPS = 'stops', | |
STROKE = 'stroke', | |
STROKE_WIDTH = 'stroke-width', | |
// time methods, changed based on whether or not UTC is used | |
makeTime, | |
getMinutes, | |
getHours, | |
getDay, | |
getDate, | |
getMonth, | |
getFullYear, | |
setMinutes, | |
setHours, | |
setDate, | |
setMonth, | |
setFullYear, | |
// check for a custom HighchartsAdapter defined prior to this file | |
globalAdapter = win.HighchartsAdapter, | |
adapter = globalAdapter || {}, | |
// Utility functions. If the HighchartsAdapter is not defined, adapter is an empty object | |
// and all the utility functions will be null. In that case they are populated by the | |
// default adapters below. | |
each = adapter.each, | |
grep = adapter.grep, | |
map = adapter.map, | |
merge = adapter.merge, | |
addEvent = adapter.addEvent, | |
removeEvent = adapter.removeEvent, | |
fireEvent = adapter.fireEvent, | |
animate = adapter.animate, | |
stop = adapter.stop, | |
// lookup over the types and the associated classes | |
seriesTypes = {}, | |
hoverChart; | |
// The Highcharts namespace | |
win.Highcharts = {}; | |
/** | |
* Extend an object with the members of another | |
* @param {Object} a The object to be extended | |
* @param {Object} b The object to add to the first one | |
*/ | |
function extend(a, b) { | |
var n; | |
if (!a) { | |
a = {}; | |
} | |
for (n in b) { | |
a[n] = b[n]; | |
} | |
return a; | |
} | |
/** | |
* Take an array and turn into a hash with even number arguments as keys and odd numbers as | |
* values. Allows creating constants for commonly used style properties, attributes etc. | |
* Avoid it in performance critical situations like looping | |
*/ | |
function hash() { | |
var i = 0, | |
args = arguments, | |
length = args.length, | |
obj = {}; | |
for (; i < length; i++) { | |
obj[args[i++]] = args[i]; | |
} | |
return obj; | |
} | |
/** | |
* Shortcut for parseInt | |
* @param {Object} s | |
* @param {Number} mag Magnitude | |
*/ | |
function pInt(s, mag) { | |
return parseInt(s, mag || 10); | |
} | |
/** | |
* Check for string | |
* @param {Object} s | |
*/ | |
function isString(s) { | |
return typeof s === 'string'; | |
} | |
/** | |
* Check for object | |
* @param {Object} obj | |
*/ | |
function isObject(obj) { | |
return typeof obj === 'object'; | |
} | |
/** | |
* Check for number | |
* @param {Object} n | |
*/ | |
function isNumber(n) { | |
return typeof n === 'number'; | |
} | |
function log2lin(num) { | |
return math.log(num) / math.LN10; | |
} | |
function lin2log(num) { | |
return math.pow(10, num); | |
} | |
/** | |
* Remove last occurence of an item from an array | |
* @param {Array} arr | |
* @param {Mixed} item | |
*/ | |
function erase(arr, item) { | |
var i = arr.length; | |
while (i--) { | |
if (arr[i] === item) { | |
arr.splice(i, 1); | |
break; | |
} | |
} | |
//return arr; | |
} | |
/** | |
* Returns true if the object is not null or undefined. Like MooTools' $.defined. | |
* @param {Object} obj | |
*/ | |
function defined (obj) { | |
return obj !== UNDEFINED && obj !== null; | |
} | |
/** | |
* Set or get an attribute or an object of attributes. Can't use jQuery attr because | |
* it attempts to set expando properties on the SVG element, which is not allowed. | |
* | |
* @param {Object} elem The DOM element to receive the attribute(s) | |
* @param {String|Object} prop The property or an abject of key-value pairs | |
* @param {String} value The value if a single property is set | |
*/ | |
function attr(elem, prop, value) { | |
var key, | |
setAttribute = 'setAttribute', | |
ret; | |
// if the prop is a string | |
if (isString(prop)) { | |
// set the value | |
if (defined(value)) { | |
elem[setAttribute](prop, value); | |
// get the value | |
} else if (elem && elem.getAttribute) { // elem not defined when printing pie demo... | |
ret = elem.getAttribute(prop); | |
} | |
// else if prop is defined, it is a hash of key/value pairs | |
} else if (defined(prop) && isObject(prop)) { | |
for (key in prop) { | |
elem[setAttribute](key, prop[key]); | |
} | |
} | |
return ret; | |
} | |
/** | |
* Check if an element is an array, and if not, make it into an array. Like | |
* MooTools' $.splat. | |
*/ | |
function splat(obj) { | |
if (!obj || obj.constructor !== Array) { | |
obj = [obj]; | |
} | |
return obj; | |
} | |
/** | |
* Return the first value that is defined. Like MooTools' $.pick. | |
*/ | |
function pick() { | |
var args = arguments, | |
i, | |
arg, | |
length = args.length; | |
for (i = 0; i < length; i++) { | |
arg = args[i]; | |
if (typeof arg !== 'undefined' && arg !== null) { | |
return arg; | |
} | |
} | |
} | |
/** | |
* Set CSS on a given element | |
* @param {Object} el | |
* @param {Object} styles Style object with camel case property names | |
*/ | |
function css (el, styles) { | |
if (isIE) { | |
if (styles && styles.opacity !== UNDEFINED) { | |
styles.filter = 'alpha(opacity='+ (styles.opacity * 100) +')'; | |
} | |
} | |
extend(el.style, styles); | |
} | |
/* * | |
* Get CSS value on a given element | |
* @param {Object} el DOM object | |
* @param {String} styleProp Camel cased CSS propery | |
* / | |
function getStyle (el, styleProp) { | |
var ret, | |
CURRENT_STYLE = 'currentStyle', | |
GET_COMPUTED_STYLE = 'getComputedStyle'; | |
if (el[CURRENT_STYLE]) { | |
ret = el[CURRENT_STYLE][styleProp]; | |
} else if (win[GET_COMPUTED_STYLE]) { | |
ret = win[GET_COMPUTED_STYLE](el, null).getPropertyValue(hyphenate(styleProp)); | |
} | |
return ret; | |
}*/ | |
/** | |
* Utility function to create element with attributes and styles | |
* @param {Object} tag | |
* @param {Object} attribs | |
* @param {Object} styles | |
* @param {Object} parent | |
* @param {Object} nopad | |
*/ | |
function createElement (tag, attribs, styles, parent, nopad) { | |
var el = doc.createElement(tag); | |
if (attribs) { | |
extend(el, attribs); | |
} | |
if (nopad) { | |
css(el, {padding: 0, border: NONE, margin: 0}); | |
} | |
if (styles) { | |
css(el, styles); | |
} | |
if (parent) { | |
parent.appendChild(el); | |
} | |
return el; | |
} | |
/** | |
* Extend a prototyped class by new members | |
* @param {Object} parent | |
* @param {Object} members | |
*/ | |
function extendClass(parent, members) { | |
var object = function(){}; | |
object.prototype = new parent(); | |
extend(object.prototype, members); | |
return object; | |
} | |
/** | |
* Format a number and return a string based on input settings | |
* @param {Number} number The input number to format | |
* @param {Number} decimals The amount of decimals | |
* @param {String} decPoint The decimal point, defaults to the one given in the lang options | |
* @param {String} thousandsSep The thousands separator, defaults to the one given in the lang options | |
*/ | |
function numberFormat (number, decimals, decPoint, thousandsSep) { | |
var lang = defaultOptions.lang, | |
// http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_number_format/ | |
n = number, c = isNaN(decimals = mathAbs(decimals)) ? 2 : decimals, | |
d = decPoint === undefined ? lang.decimalPoint : decPoint, | |
t = thousandsSep === undefined ? lang.thousandsSep : thousandsSep, s = n < 0 ? "-" : "", | |
i = String(pInt(n = mathAbs(+n || 0).toFixed(c))), | |
j = i.length > 3 ? i.length % 3 : 0; | |
return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + | |
(c ? d + mathAbs(n - i).toFixed(c).slice(2) : ""); | |
} | |
/** | |
* Based on http://www.php.net/manual/en/function.strftime.php | |
* @param {String} format | |
* @param {Number} timestamp | |
* @param {Boolean} capitalize | |
*/ | |
dateFormat = function (format, timestamp, capitalize) { | |
function pad (number, length) { | |
// two digits | |
number = number.toString().replace(/^([0-9])$/, '0$1'); | |
// three digits | |
if (length === 3) { | |
number = number.toString().replace(/^([0-9]{2})$/, '0$1'); | |
} | |
return number; | |
} | |
if (!defined(timestamp) || isNaN(timestamp)) { | |
return 'Invalid date'; | |
} | |
format = pick(format, '%Y-%m-%d %H:%M:%S'); | |
var date = new Date(timestamp * timeFactor), | |
key, // used in for constuct below | |
// get the basic time values | |
hours = date[getHours](), | |
day = date[getDay](), | |
dayOfMonth = date[getDate](), | |
month = date[getMonth](), | |
fullYear = date[getFullYear](), | |
lang = defaultOptions.lang, | |
langWeekdays = lang.weekdays, | |
langMonths = lang.months, | |
/* // uncomment this and the 'W' format key below to enable week numbers | |
weekNumber = function() { | |
var clone = new Date(date.valueOf()), | |
day = clone[getDay]() == 0 ? 7 : clone[getDay](), | |
dayNumber; | |
clone.setDate(clone[getDate]() + 4 - day); | |
dayNumber = mathFloor((clone.getTime() - new Date(clone[getFullYear](), 0, 1, -6)) / 86400000); | |
return 1 + mathFloor(dayNumber / 7); | |
}, | |
*/ | |
// list all format keys | |
replacements = { | |
// Day | |
'a': langWeekdays[day].substr(0, 3), // Short weekday, like 'Mon' | |
'A': langWeekdays[day], // Long weekday, like 'Monday' | |
'd': pad(dayOfMonth), // Two digit day of the month, 01 to 31 | |
'e': dayOfMonth, // Day of the month, 1 through 31 | |
// Week (none implemented) | |
//'W': weekNumber(), | |
// Month | |
'b': langMonths[month].substr(0, 3), // Short month, like 'Jan' | |
'B': langMonths[month], // Long month, like 'January' | |
'm': pad(month + 1), // Two digit month number, 01 through 12 | |
// Year | |
'y': fullYear.toString().substr(2, 2), // Two digits year, like 09 for 2009 | |
'Y': fullYear, // Four digits year, like 2009 | |
// Time | |
'H': pad(hours), // Two digits hours in 24h format, 00 through 23 | |
'I': pad((hours % 12) || 12), // Two digits hours in 12h format, 00 through 11 | |
'l': (hours % 12) || 12, // Hours in 12h format, 1 through 12 | |
'M': pad(date[getMinutes]()), // Two digits minutes, 00 through 59 | |
'p': hours < 12 ? 'AM' : 'PM', // Upper case AM or PM | |
'P': hours < 12 ? 'am' : 'pm', // Lower case AM or PM | |
'S': pad(date.getSeconds()), // Two digits seconds, 00 through 59 | |
'L': pad(timestamp % 1000, 3) // Milliseconds (naming from Ruby) | |
}; | |
// do the replaces | |
for (key in replacements) { | |
format = format.replace('%'+ key, replacements[key]); | |
} | |
// Optionally capitalize the string and return | |
return capitalize ? format.substr(0, 1).toUpperCase() + format.substr(1) : format; | |
}; | |
/** | |
* Loop up the node tree and add offsetWidth and offsetHeight to get the | |
* total page offset for a given element. Used by Opera and iOS on hover and | |
* all browsers on point click. | |
* | |
* @param {Object} el | |
* | |
*/ | |
function getPosition (el) { | |
var p = { left: el.offsetLeft, top: el.offsetTop }; | |
el = el.offsetParent; | |
while (el) { | |
p.left += el.offsetLeft; | |
p.top += el.offsetTop; | |
if (el !== doc.body && el !== doc.documentElement) { | |
p.left -= el.scrollLeft; | |
p.top -= el.scrollTop; | |
} | |
el = el.offsetParent; | |
} | |
return p; | |
} | |
/** | |
* Take an interval and normalize it to multiples of 1, 2, 2.5 and 5 | |
* @param {Number} interval | |
* @param {Array} multiples | |
* @param {Number} magnitude | |
* @param {Object} options | |
*/ | |
function normalizeTickInterval(interval, multiples, magnitude, options) { | |
var normalized, i; | |
// round to a tenfold of 1, 2, 2.5 or 5 | |
//magnitude = multiples ? 1 : math.pow(10, mathFloor(math.log(interval) / math.LN10)); | |
magnitude = pick(magnitude, 1); | |
normalized = interval / magnitude; | |
// multiples for a linear scale | |
if (!multiples) { | |
multiples = [1, 2, 2.5, 5, 10]; | |
//multiples = [1, 2, 2.5, 4, 5, 7.5, 10]; | |
// the allowDecimals option | |
if (options && options.allowDecimals === false) { | |
if (magnitude === 1) { | |
multiples = [1, 2, 5, 10]; | |
} else if (magnitude <= 0.1) { | |
multiples = [1 / magnitude]; | |
} | |
} | |
} | |
// normalize the interval to the nearest multiple | |
for (i = 0; i < multiples.length; i++) { | |
interval = multiples[i]; | |
if (normalized <= (multiples[i] + (multiples[i+1] || multiples[i])) / 2) { | |
break; | |
} | |
} | |
// multiply back to the correct magnitude | |
interval *= magnitude; | |
return interval; | |
} | |
/** | |
* Set the tick positions to a time unit that makes sense, for example | |
* on the first of each month or on every Monday. Return an array | |
* with the time positions. Used in datetime axes as well as for grouping | |
* data on a datetime axis. | |
* | |
* @param {Number} tickInterval The approximate interval in axis values (ms) | |
* @param {Number} min The minimum in axis values | |
* @param {Number} max The maximum in axis values | |
* @param {Number} startOfWeek | |
* @param {Array} unitsOption | |
*/ | |
function getTimeTicks(tickInterval, min, max, startOfWeek, unitsOption) { | |
var tickPositions = [], | |
i, | |
useUTC = defaultOptions.global.useUTC, | |
oneSecond = 1000 / timeFactor, | |
oneMinute = 60000 / timeFactor, | |
oneHour = 3600000 / timeFactor, | |
oneDay = 24 * 3600000 / timeFactor, | |
oneWeek = 7 * 24 * 3600000 / timeFactor, | |
oneMonth = 30 * 24 * 3600000 / timeFactor, | |
oneYear = 31556952000 / timeFactor, | |
ranges = hash( | |
MILLISECOND, 1, | |
SECOND, oneSecond, | |
MINUTE, oneMinute, | |
HOUR, oneHour, | |
DAY, oneDay, | |
WEEK, oneWeek, | |
MONTH, oneMonth, | |
YEAR, oneYear | |
), | |
units = unitsOption || [[ | |
'millisecond', // unit name | |
//1, // fixed incremental unit | |
[1, 2, 5, 10, 20, 25, 50, 100, 200, 500] | |
], [ | |
'second', // unit name | |
//oneSecond, // fixed incremental unit | |
[1, 2, 5, 10, 15, 30] // allowed multiples | |
], [ | |
'minute', // unit name | |
//oneMinute, // fixed incremental unit | |
[1, 2, 5, 10, 15, 30] // allowed multiples | |
], [ | |
'hour', // unit name | |
//oneHour, // fixed incremental unit | |
[1, 2, 3, 4, 6, 8, 12] // allowed multiples | |
], [ | |
'day', // unit name | |
//oneDay, // fixed incremental unit | |
[1, 2] // allowed multiples | |
], [ | |
'week', // unit name | |
//oneWeek, // fixed incremental unit | |
[1, 2] // allowed multiples | |
], [ | |
'month', | |
//oneMonth, | |
[1, 2, 3, 4, 6] | |
], [ | |
'year', | |
//oneYear, | |
null | |
]], | |
unit = units[units.length - 1], // default unit is years | |
interval = ranges[unit[0]], | |
multiples = unit[1]; | |
// loop through the units to find the one that best fits the tickInterval | |
for (i = 0; i < units.length; i++) { | |
unit = units[i]; | |
interval = ranges[unit[0]]; | |
multiples = unit[1]; | |
if (units[i+1]) { | |
// lessThan is in the middle between the highest multiple and the next unit. | |
var lessThan = (interval * multiples[multiples.length - 1] + | |
ranges[units[i + 1][0]] ) / 2; | |
// break and keep the current unit | |
if (tickInterval <= lessThan) { | |
break; | |
} | |
} | |
} | |
// prevent 2.5 years intervals, though 25, 250 etc. are allowed | |
if (interval === oneYear && tickInterval < 5 * interval) { | |
multiples = [1, 2, 5]; | |
} | |
// get the minimum value by flooring the date | |
var multitude = normalizeTickInterval(tickInterval / interval, multiples), | |
minYear, // used in months and years as a basis for Date.UTC() | |
minDate = new Date(min * timeFactor); | |
minDate.setMilliseconds(0); | |
if (interval >= oneSecond) { // second | |
minDate.setSeconds(interval >= oneMinute ? 0 : | |
multitude * mathFloor(minDate.getSeconds() / multitude)); | |
} | |
if (interval >= oneMinute) { // minute | |
minDate[setMinutes](interval >= oneHour ? 0 : | |
multitude * mathFloor(minDate[getMinutes]() / multitude)); | |
} | |
if (interval >= oneHour) { // hour | |
minDate[setHours](interval >= oneDay ? 0 : | |
multitude * mathFloor(minDate[getHours]() / multitude)); | |
} | |
if (interval >= oneDay) { // day | |
minDate[setDate](interval >= oneMonth ? 1 : | |
multitude * mathFloor(minDate[getDate]() / multitude)); | |
} | |
if (interval >= oneMonth) { // month | |
minDate[setMonth](interval >= oneYear ? 0 : | |
multitude * mathFloor(minDate[getMonth]() / multitude)); | |
minYear = minDate[getFullYear](); | |
} | |
if (interval >= oneYear) { // year | |
minYear -= minYear % multitude; | |
minDate[setFullYear](minYear); | |
} | |
// week is a special case that runs outside the hierarchy | |
if (interval === oneWeek) { | |
// get start of current week, independent of multitude | |
minDate[setDate](minDate[getDate]() - minDate[getDay]() + | |
pick(startOfWeek, 1)); | |
} | |
// get tick positions | |
i = 1; | |
minYear = minDate[getFullYear](); | |
var time = minDate.getTime() / timeFactor, | |
minMonth = minDate[getMonth](), | |
minDateDate = minDate[getDate](); | |
// iterate and add tick positions at appropriate values | |
while (time < max) { | |
tickPositions.push(time); | |
// if the interval is years, use Date.UTC to increase years | |
if (interval === oneYear) { | |
time = makeTime(minYear + i * multitude, 0) / timeFactor; | |
// if the interval is months, use Date.UTC to increase months | |
} else if (interval === oneMonth) { | |
time = makeTime(minYear, minMonth + i * multitude) / timeFactor; | |
// if we're using global time, the interval is not fixed as it jumps | |
// one hour at the DST crossover | |
} else if (!useUTC && (interval === oneDay || interval === oneWeek)) { | |
time = makeTime(minYear, minMonth, minDateDate + | |
i * multitude * (interval === oneDay ? 1 : 7)); | |
// else, the interval is fixed and we use simple addition | |
} else { | |
time += interval * multitude; | |
} | |
i++; | |
} | |
// push the last time | |
tickPositions.push(time); | |
// record information on the chosen unit - for dynamic label formatter | |
tickPositions.unit = unit; | |
return tickPositions; | |
} | |
/** | |
* Helper class that contains variuos counters that are local to the chart. | |
*/ | |
function ChartCounters() { | |
this.color = 0; | |
this.symbol = 0; | |
} | |
ChartCounters.prototype = { | |
/** | |
* Wraps the color counter if it reaches the specified length. | |
*/ | |
wrapColor: function(length) { | |
if (this.color >= length) { | |
this.color = 0; | |
} | |
}, | |
/** | |
* Wraps the symbol counter if it reaches the specified length. | |
*/ | |
wrapSymbol: function(length) { | |
if (this.symbol >= length) { | |
this.symbol = 0; | |
} | |
} | |
}; | |
/** | |
* Set the global animation to either a given value, or fall back to the | |
* given chart's animation option | |
* @param {Object} animation | |
* @param {Object} chart | |
*/ | |
function setAnimation(animation, chart) { | |
globalAnimation = pick(animation, chart.animation); | |
} | |
/* | |
* Define the adapter for frameworks. If an external adapter is not defined, | |
* Highcharts reverts to the built-in jQuery adapter. | |
*/ | |
if (globalAdapter && globalAdapter.init) { | |
globalAdapter.init(); | |
} | |
if (!globalAdapter && win.jQuery) { | |
var jQ = jQuery; | |
/** | |
* Utility for iterating over an array. Parameters are reversed compared to jQuery. | |
* @param {Array} arr | |
* @param {Function} fn | |
*/ | |
each = function(arr, fn) { | |
var i = 0, | |
len = arr.length; | |
for (; i < len; i++) { | |
if (fn.call(arr[i], arr[i], i, arr) === false) { | |
return i; | |
} | |
} | |
}; | |
/** | |
* Filter an array | |
*/ | |
grep = jQ.grep; | |
/** | |
* Map an array | |
* @param {Array} arr | |
* @param {Function} fn | |
*/ | |
map = function(arr, fn){ | |
//return jQuery.map(arr, fn); | |
var results = [], | |
i = 0, len = arr.length; | |
for (; i < len; i++) { | |
results[i] = fn.call(arr[i], arr[i], i, arr); | |
} | |
return results; | |
}; | |
/** | |
* Deep merge two objects and return a third object | |
*/ | |
merge = function(){ | |
var args = arguments; | |
return jQ.extend(true, null, args[0], args[1], args[2], args[3]); | |
}; | |
/** | |
* Add an event listener | |
* @param {Object} el A HTML element or custom object | |
* @param {String} event The event type | |
* @param {Function} fn The event handler | |
*/ | |
addEvent = function (el, event, fn){ | |
jQ(el).bind(event, fn); | |
}; | |
/** | |
* Remove event added with addEvent | |
* @param {Object} el The object | |
* @param {String} eventType The event type. Leave blank to remove all events. | |
* @param {Function} handler The function to remove | |
*/ | |
removeEvent = function(el, eventType, handler) { | |
// workaround for jQuery issue with unbinding custom events: | |
// http://forum.jquery.com/topic/javascript-error-when-unbinding-a-custom-event-using-jquery-1-4-2 | |
var func = doc.removeEventListener ? 'removeEventListener' : 'detachEvent'; | |
if (doc[func] && !el[func]) { | |
el[func] = function() {}; | |
} | |
jQ(el).unbind(eventType, handler); | |
}; | |
/** | |
* Fire an event on a custom object | |
* @param {Object} el | |
* @param {String} type | |
* @param {Object} eventArguments | |
* @param {Function} defaultFunction | |
*/ | |
fireEvent = function(el, type, eventArguments, defaultFunction) { | |
var event = jQ.Event(type), | |
detachedType = 'detached'+ type; | |
extend(event, eventArguments); | |
// Prevent jQuery from triggering the object method that is named the | |
// same as the event. For example, if the event is 'select', jQuery | |
// attempts calling el.select and it goes into a loop. | |
if (el[type]) { | |
el[detachedType] = el[type]; | |
el[type] = null; | |
} | |
// trigger it | |
jQ(el).trigger(event); | |
// attach the method | |
if (el[detachedType]) { | |
el[type] = el[detachedType]; | |
el[detachedType] = null; | |
} | |
if (defaultFunction && !event.isDefaultPrevented()) { | |
defaultFunction(event); | |
} | |
}; | |
/** | |
* Animate a HTML element or SVG element wrapper | |
* @param {Object} el | |
* @param {Object} params | |
* @param {Object} options jQuery-like animation options: duration, easing, callback | |
*/ | |
animate = function (el, params, options) { | |
var $el = jQ(el); | |
if (params.d) { | |
el.toD = params.d; // keep the array form for paths, used in jQ.fx.step.d | |
params.d = 1; // because in jQuery, animating to an array has a different meaning | |
} | |
$el.stop(); | |
$el.animate(params, options); | |
}; | |
/** | |
* Stop running animation | |
*/ | |
stop = function (el) { | |
jQ(el).stop(); | |
}; | |
// extend jQuery | |
jQ.extend( jQ.easing, { | |
easeOutQuad: function (x, t, b, c, d) { | |
return -c *(t/=d)*(t-2) + b; | |
} | |
}); | |
// extend the animate function to allow SVG animations | |
var oldStepDefault = jQuery.fx.step._default, | |
oldCur = jQuery.fx.prototype.cur; | |
// do the step | |
jQ.fx.step._default = function(fx){ | |
var elem = fx.elem; | |
if (elem.attr) { // is SVG element wrapper | |
elem.attr(fx.prop, fx.now); | |
} else { | |
oldStepDefault.apply(this, arguments); | |
} | |
}; | |
// animate paths | |
jQ.fx.step.d = function(fx) { | |
var elem = fx.elem; | |
// Normally start and end should be set in state == 0, but sometimes, | |
// for reasons unknown, this doesn't happen. Perhaps state == 0 is skipped | |
// in these cases | |
if (!fx.started) { | |
var ends = pathAnim.init(elem, elem.d, elem.toD); | |
fx.start = ends[0]; | |
fx.end = ends[1]; | |
fx.started = true; | |
} | |
// interpolate each value of the path | |
elem.attr('d', pathAnim.step(fx.start, fx.end, fx.pos, elem.toD)); | |
}; | |
// get the current value | |
jQ.fx.prototype.cur = function() { | |
var elem = this.elem, | |
r; | |
if (elem.attr) { // is SVG element wrapper | |
r = elem.attr(this.prop); | |
} else { | |
r = oldCur.apply(this, arguments); | |
} | |
return r; | |
}; | |
} | |
/** | |
* Path interpolation algorithm used across adapters | |
*/ | |
pathAnim = { | |
/** | |
* Prepare start and end values so that the path can be animated one to one | |
*/ | |
init: function(elem, fromD, toD) { | |
fromD = fromD || ''; | |
var shift = elem.shift, | |
bezier = fromD.indexOf('C') > -1, | |
numParams = bezier ? 7 : 3, | |
endLength, | |
slice, | |
i, | |
start = fromD.split(' '), | |
end = [].concat(toD), // copy | |
startBaseLine, | |
endBaseLine, | |
sixify = function(arr) { // in splines make move points have six parameters like bezier curves | |
i = arr.length; | |
while (i--) { | |
if (arr[i] === M) { | |
arr.splice(i + 1, 0, arr[i+1], arr[i+2], arr[i+1], arr[i+2]); | |
} | |
} | |
}; | |
if (bezier) { | |
sixify(start); | |
sixify(end); | |
} | |
// pull out the base lines before padding | |
if (elem.isArea) { | |
startBaseLine = start.splice(start.length - 6, 6); | |
endBaseLine = end.splice(end.length - 6, 6); | |
} | |
// if shifting points, prepend a dummy point to the end path | |
if (shift === 1 ) { | |
end = [].concat(end).splice(0, numParams).concat(end); | |
} | |
elem.shift = 0; // reset for following animations | |
// copy and append last point until the length matches the end length | |
if (start.length) { | |
endLength = end.length; | |
while (start.length < endLength) { | |
//bezier && sixify(start); | |
slice = [].concat(start).splice(start.length - numParams, numParams); | |
if (bezier) { // disable first control point | |
slice[numParams - 6] = slice[numParams - 2]; | |
slice[numParams - 5] = slice[numParams - 1]; | |
} | |
start = start.concat(slice); | |
} | |
} | |
if (startBaseLine) { // append the base lines for areas | |
start = start.concat(startBaseLine); | |
end = end.concat(endBaseLine); | |
} | |
return [start, end]; | |
}, | |
/** | |
* Interpolate each value of the path and return the array | |
*/ | |
step: function(start, end, pos, complete) { | |
var ret = [], | |
i = start.length, | |
startVal; | |
if (pos === 1) { // land on the final path without adjustment points appended in the ends | |
ret = complete; | |
} else if (i === end.length && pos < 1) { | |
while (i--) { | |
startVal = parseFloat(start[i]); | |
ret[i] = | |
isNaN(startVal) ? // a letter instruction like M or L | |
start[i] : | |
pos * (parseFloat(end[i] - startVal)) + startVal; | |
} | |
} else { // if animation is finished or length not matching, land on right value | |
ret = end; | |
} | |
return ret; | |
} | |
}; | |
/** | |
* Set the time methods globally based on the useUTC option. Time method can be either | |
* local time or UTC (default). | |
*/ | |
function setTimeMethods() { | |
var useUTC = defaultOptions.global.useUTC; | |
makeTime = useUTC ? Date.UTC : function(year, month, date, hours, minutes, seconds) { | |
return new Date( | |
year, | |
month, | |
pick(date, 1), | |
pick(hours, 0), | |
pick(minutes, 0), | |
pick(seconds, 0) | |
).getTime(); | |
}; | |
getMinutes = useUTC ? 'getUTCMinutes' : 'getMinutes'; | |
getHours = useUTC ? 'getUTCHours' : 'getHours'; | |
getDay = useUTC ? 'getUTCDay' : 'getDay'; | |
getDate = useUTC ? 'getUTCDate' : 'getDate'; | |
getMonth = useUTC ? 'getUTCMonth' : 'getMonth'; | |
getFullYear = useUTC ? 'getUTCFullYear' : 'getFullYear'; | |
setMinutes = useUTC ? 'setUTCMinutes' : 'setMinutes'; | |
setHours = useUTC ? 'setUTCHours' : 'setHours'; | |
setDate = useUTC ? 'setUTCDate' : 'setDate'; | |
setMonth = useUTC ? 'setUTCMonth' : 'setMonth'; | |
setFullYear = useUTC ? 'setUTCFullYear' : 'setFullYear'; | |
} | |
/** | |
* Merge the default options with custom options and return the new options structure | |
* @param {Object} options The new custom options | |
*/ | |
function setOptions(options) { | |
defaultOptions = merge(defaultOptions, options); | |
// apply UTC | |
setTimeMethods(); | |
return defaultOptions; | |
} | |
/** | |
* Get the updated default options. Merely exposing defaultOptions for outside modules | |
* isn't enough because the setOptions method creates a new object. | |
*/ | |
function getOptions() { | |
return defaultOptions; | |
} | |
/** | |
* Discard an element by moving it to the bin and delete | |
* @param {Object} The HTML node to discard | |
*/ | |
function discardElement(element) { | |
// create a garbage bin element, not part of the DOM | |
if (!garbageBin) { | |
garbageBin = createElement(DIV); | |
} | |
// move the node and empty bin | |
if (element) { | |
garbageBin.appendChild(element); | |
} | |
garbageBin.innerHTML = ''; | |
} | |
/* **************************************************************************** | |
* Handle the options * | |
*****************************************************************************/ | |
var | |
defaultLabelOptions = { | |
enabled: true, | |
// rotation: 0, | |
align: 'center', | |
x: 0, | |
y: 15, | |
/*formatter: function() { | |
return this.value; | |
},*/ | |
style: { | |
color: '#666', | |
fontSize: '11px', | |
lineHeight: '14px' | |
} | |
}; | |
defaultOptions = { | |
colors: ['#4572A7', '#AA4643', '#89A54E', '#80699B', '#3D96AE', | |
'#DB843D', '#92A8CD', '#A47D7C', '#B5CA92'], | |
symbols: ['circle', 'diamond', 'square', 'triangle', 'triangle-down'], | |
lang: { | |
loading: 'Loading...', | |
months: ['January', 'February', 'March', 'April', 'May', 'June', 'July', | |
'August', 'September', 'October', 'November', 'December'], | |
weekdays: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], | |
decimalPoint: '.', | |
resetZoom: 'Reset zoom', | |
resetZoomTitle: 'Reset zoom level 1:1', | |
thousandsSep: ',' | |
}, | |
global: { | |
useUTC: true | |
}, | |
chart: { | |
//animation: true, | |
//alignTicks: false, | |
//reflow: true, | |
//className: null, | |
//events: { load, selection }, | |
//margin: [null], | |
//marginTop: null, | |
//marginRight: null, | |
//marginBottom: null, | |
//marginLeft: null, | |
borderColor: '#4572A7', | |
//borderWidth: 0, | |
borderRadius: 5, | |
defaultSeriesType: 'line', | |
ignoreHiddenSeries: true, | |
//inverted: false, | |
//shadow: false, | |
spacingTop: 10, | |
spacingRight: 10, | |
spacingBottom: 15, | |
spacingLeft: 10, | |
style: { | |
fontFamily: '"Lucida Grande", "Lucida Sans Unicode", Verdana, Arial, Helvetica, sans-serif', // default font | |
fontSize: '12px' | |
}, | |
backgroundColor: '#FFFFFF', | |
//plotBackgroundColor: null, | |
plotBorderColor: '#C0C0C0' | |
//plotBorderWidth: 0, | |
//plotShadow: false, | |
//zoomType: '' | |
}, | |
title: { | |
text: 'Chart title', | |
align: 'center', | |
// floating: false, | |
// margin: 15, | |
// x: 0, | |
// verticalAlign: 'top', | |
y: 15, | |
style: { | |
color: '#3E576F', | |
fontSize: '16px' | |
} | |
}, | |
subtitle: { | |
text: '', | |
align: 'center', | |
// floating: false | |
// x: 0, | |
// verticalAlign: 'top', | |
y: 30, | |
style: { | |
color: '#6D869F' | |
} | |
}, | |
plotOptions: { | |
line: { // base series options | |
allowPointSelect: false, | |
showCheckbox: false, | |
animation: { | |
duration: 1000 | |
}, | |
// connectNulls: false, // docs | |
//cursor: 'default', | |
//clip: true, | |
//dashStyle: null, | |
//enableMouseTracking: true, | |
events: {}, | |
//legendIndex: 0, // docs (+ pie points) | |
lineWidth: 2, | |
shadow: true, | |
// stacking: null, | |
marker: { | |
enabled: true, | |
//symbol: null, | |
lineWidth: 0, | |
radius: 4, | |
lineColor: '#FFFFFF', | |
//fillColor: null, | |
states: { // states for a single point | |
hover: { | |
//radius: base + 2 | |
}, | |
select: { | |
fillColor: '#FFFFFF', | |
lineColor: '#000000', | |
lineWidth: 2 | |
} | |
} | |
}, | |
point: { | |
events: {} | |
}, | |
dataLabels: merge(defaultLabelOptions, { | |
enabled: false, | |
y: -6, | |
formatter: function() { | |
return this.y; | |
} | |
}), | |
cropThreshold: 300, // docs - draw points outside the plot area when the number of points is less than this | |
//pointStart: 0, | |
//pointInterval: 1, | |
showInLegend: true, | |
states: { // states for the entire series | |
hover: { | |
//enabled: false, | |
//lineWidth: base + 1, | |
marker: { | |
// lineWidth: base + 1, | |
// radius: base + 1 | |
} | |
}, | |
select: { | |
marker: {} | |
} | |
}, | |
stickyTracking: true | |
// turboThreshold: 1000 // docs | |
// zIndex: null | |
} | |
}, | |
labels: { | |
//items: [], | |
style: { | |
//font: defaultFont, | |
position: ABSOLUTE, | |
color: '#3E576F' | |
} | |
}, | |
legend: { | |
enabled: true, | |
align: 'center', | |
//floating: false, | |
layout: 'horizontal', | |
labelFormatter: function() { | |
return this.name; | |
}, | |
// lineHeight: 16, | |
borderWidth: 1, | |
borderColor: '#909090', | |
borderRadius: 5, | |
// margin: 10, | |
// reversed: false, | |
shadow: false, | |
// backgroundColor: null, | |
style: { | |
padding: '5px' | |
}, | |
itemStyle: { | |
cursor: 'pointer', | |
color: '#3E576F' | |
}, | |
itemHoverStyle: { | |
cursor: 'pointer', | |
color: '#000000' | |
}, | |
itemHiddenStyle: { | |
color: '#C0C0C0' | |
}, | |
itemCheckboxStyle: { | |
position: ABSOLUTE, | |
width: '13px', // for IE precision | |
height: '13px' | |
}, | |
// itemWidth: undefined, | |
symbolWidth: 16, | |
symbolPadding: 5, | |
verticalAlign: 'bottom', | |
// width: undefined, | |
x: 0, // docs | |
y: 0 // docs | |
}, | |
loading: { | |
hideDuration: 100, | |
labelStyle: { | |
fontWeight: 'bold', | |
position: RELATIVE, | |
top: '1em' | |
}, | |
showDuration: 100, | |
style: { | |
position: ABSOLUTE, | |
backgroundColor: 'white', | |
opacity: 0.5, | |
textAlign: 'center' | |
} | |
}, | |
tooltip: { | |
enabled: true, | |
//crosshairs: null, | |
backgroundColor: 'rgba(255, 255, 255, .85)', | |
borderWidth: 2, | |
borderRadius: 5, | |
//formatter: defaultFormatter, | |
shadow: true, | |
//shared: false, | |
snap: hasTouch ? 25 : 10, | |
style: { | |
color: '#333333', | |
fontSize: '12px', | |
padding: '5px', | |
whiteSpace: 'nowrap' | |
} | |
}, | |
toolbar: { | |
itemStyle: { | |
color: '#4572A7', | |
cursor: 'pointer' | |
} | |
}, | |
credits: { | |
enabled: true, | |
text: 'Highstock Beta', | |
href: 'http://www.highcharts.com', | |
position: { | |
align: 'right', | |
x: -10, | |
verticalAlign: 'bottom', | |
y: -5 | |
}, | |
style: { | |
cursor: 'pointer', | |
color: '#909090', | |
fontSize: '10px' | |
} | |
} | |
}; | |
// Axis defaults | |
var defaultXAxisOptions = { | |
// allowDecimals: null, | |
// alternateGridColor: null, | |
// categories: [], | |
dateTimeLabelFormats: hash( | |
MILLISECOND, '%H:%M:%S.%L', | |
SECOND, '%H:%M:%S', | |
MINUTE, '%H:%M', | |
HOUR, '%H:%M', | |
DAY, '%e. %b', | |
WEEK, '%e. %b', | |
MONTH, '%b \'%y', | |
YEAR, '%Y' | |
), | |
endOnTick: false, | |
gridLineColor: '#C0C0C0', | |
// gridLineDashStyle: 'solid', // docs | |
// gridLineWidth: 0, | |
// reversed: false, | |
labels: defaultLabelOptions, | |
// { step: null }, | |
lineColor: '#C0D0E0', | |
lineWidth: 1, | |
//linkedTo: null, | |
max: null, | |
min: null, | |
minPadding: 0.01, | |
maxPadding: 0.01, | |
//maxZoom: null, | |
minorGridLineColor: '#E0E0E0', | |
// minorGridLineDashStyle: null, | |
minorGridLineWidth: 1, | |
minorTickColor: '#A0A0A0', | |
//minorTickInterval: null, | |
minorTickLength: 2, | |
minorTickPosition: 'outside', // inside or outside | |
//minorTickWidth: 0, | |
//opposite: false, | |
//offset: 0, | |
//plotBands: [{ | |
// events: {}, | |
// zIndex: 1, | |
// labels: { align, x, verticalAlign, y, style, rotation, textAlign } | |
//}], | |
//plotLines: [{ | |
// events: {} | |
// dashStyle: {} | |
// zIndex: | |
// labels: { align, x, verticalAlign, y, style, rotation, textAlign } | |
//}], | |
//reversed: false, | |
// showFirstLabel: true, | |
// showLastLabel: false, | |
startOfWeek: 1, | |
startOnTick: false, | |
tickColor: '#C0D0E0', | |
//tickInterval: null, | |
tickLength: 5, | |
tickmarkPlacement: 'between', // on or between | |
tickPixelInterval: 100, | |
tickPosition: 'outside', | |
tickWidth: 1, | |
title: { | |
//text: null, | |
align: 'middle', // low, middle or high | |
//margin: 0 for horizontal, 10 for vertical axes, | |
//rotation: 0, | |
//side: 'outside', | |
style: { | |
color: '#6D869F', | |
//font: defaultFont.replace('normal', 'bold') | |
fontWeight: 'bold' | |
} | |
//x: 0, | |
//y: 0 | |
}, | |
type: 'linear' // linear, logarithmic or datetime // docs | |
}, | |
defaultYAxisOptions = merge(defaultXAxisOptions, { | |
endOnTick: true, | |
gridLineWidth: 1, | |
tickPixelInterval: 72, | |
showLastLabel: true, | |
labels: { | |
align: 'right', | |
x: -8, | |
y: 3 | |
}, | |
lineWidth: 0, | |
maxPadding: 0.05, | |
minPadding: 0.05, | |
startOnTick: true, | |
tickWidth: 0, | |
title: { | |
rotation: 270, | |
text: 'Y-values' | |
}, | |
stackLabels: { | |
enabled: false, | |
//align: dynamic, | |
//y: dynamic, | |
//x: dynamic, | |
//verticalAlign: dynamic, | |
//textAlign: dynamic, | |
//rotation: 0, | |
formatter: function() { | |
return this.total; | |
}, | |
style: defaultLabelOptions.style | |
} | |
}), | |
defaultLeftAxisOptions = { | |
labels: { | |
align: 'right', | |
x: -8, | |
y: null // docs | |
}, | |
title: { | |
rotation: 270 | |
} | |
}, | |
defaultRightAxisOptions = { | |
labels: { | |
align: 'left', | |
x: 8, | |
y: null // docs | |
}, | |
title: { | |
rotation: 90 | |
} | |
}, | |
defaultBottomAxisOptions = { // horizontal axis | |
labels: { | |
align: 'center', | |
x: 0, | |
y: 14 | |
// staggerLines: null | |
}, | |
title: { | |
rotation: 0 | |
} | |
}, | |
defaultTopAxisOptions = merge(defaultBottomAxisOptions, { | |
labels: { | |
y: -5 | |
// staggerLines: null | |
} | |
}); | |
// Series defaults | |
var defaultPlotOptions = defaultOptions.plotOptions, | |
defaultSeriesOptions = defaultPlotOptions.line; | |
//defaultPlotOptions.line = merge(defaultSeriesOptions); | |
defaultPlotOptions.spline = merge(defaultSeriesOptions); | |
defaultPlotOptions.scatter = merge(defaultSeriesOptions, { | |
lineWidth: 0, | |
states: { | |
hover: { | |
lineWidth: 0 | |
} | |
} | |
}); | |
defaultPlotOptions.area = merge(defaultSeriesOptions, { | |
threshold: 0 | |
// lineColor: null, // overrides color, but lets fillColor be unaltered | |
// fillOpacity: 0.75, | |
// fillColor: null | |
}); | |
defaultPlotOptions.areaspline = merge(defaultPlotOptions.area); | |
defaultPlotOptions.column = merge(defaultSeriesOptions, { | |
borderColor: '#FFFFFF', | |
borderWidth: 1, | |
borderRadius: 0, | |
//colorByPoint: undefined, | |
groupPadding: 0.2, | |
marker: null, // point options are specified in the base options | |
pointPadding: 0.1, | |
//pointWidth: null, | |
minPointLength: 0, | |
cropThreshold: 50, // docs, when there are more points, they will not animate out of the chart on xAxis.setExtremes | |
padXAxis: true, | |
states: { | |
hover: { | |
brightness: 0.1, | |
shadow: false | |
}, | |
select: { | |
color: '#C0C0C0', | |
borderColor: '#000000', | |
shadow: false | |
} | |
}, | |
dataLabels: { | |
y: null, | |
verticalAlign: null | |
}, | |
threshold: 0 | |
}); | |
defaultPlotOptions.bar = merge(defaultPlotOptions.column, { | |
dataLabels: { | |
align: 'left', | |
x: 5, | |
y: 0 | |
} | |
}); | |
defaultPlotOptions.pie = merge(defaultSeriesOptions, { | |
//dragType: '', // n/a | |
borderColor: '#FFFFFF', | |
borderWidth: 1, | |
center: ['50%', '50%'], | |
colorByPoint: true, // always true for pies | |
dataLabels: { | |
// align: null, | |
// connectorWidth: 1, | |
// connectorColor: '#606060', | |
// connectorPadding: 5, | |
distance: 30, | |
enabled: true, | |
formatter: function() { | |
return this.point.name; | |
}, | |
y: 5 | |
}, | |
//innerSize: 0, | |
legendType: 'point', | |
marker: null, // point options are specified in the base options | |
size: '75%', | |
showInLegend: false, | |
slicedOffset: 10, | |
states: { | |
hover: { | |
brightness: 0.1, | |
shadow: false | |
} | |
} | |
}); | |
// set the default time methods | |
setTimeMethods(); | |
/** | |
* Handle color operations. The object methods are chainable. | |
* @param {String} input The input color in either rbga or hex format | |
*/ | |
var Color = function(input) { | |
// declare variables | |
var rgba = [], result; | |
/** | |
* Parse the input color to rgba array | |
* @param {String} input | |
*/ | |
function init(input) { | |
// rgba | |
result = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]?(?:\.[0-9]+)?)\s*\)/.exec(input); | |
if (result) { | |
rgba = [pInt(result[1]), pInt(result[2]), pInt(result[3]), parseFloat(result[4], 10)]; | |
} | |
// hex | |
else { | |
result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(input); | |
if (result) { | |
rgba = [pInt(result[1], 16), pInt(result[2], 16), pInt(result[3], 16), 1]; | |
} | |
} | |
} | |
/** | |
* Return the color a specified format | |
* @param {String} format | |
*/ | |
function get(format) { | |
var ret; | |
// it's NaN if gradient colors on a column chart | |
if (rgba && !isNaN(rgba[0])) { | |
if (format === 'rgb') { | |
ret = 'rgb('+ rgba[0] +','+ rgba[1] +','+ rgba[2] +')'; | |
} else if (format === 'a') { | |
ret = rgba[3]; | |
} else { | |
ret = 'rgba('+ rgba.join(',') +')'; | |
} | |
} else { | |
ret = input; | |
} | |
return ret; | |
} | |
/** | |
* Brighten the color | |
* @param {Number} alpha | |
*/ | |
function brighten(alpha) { | |
if (isNumber(alpha) && alpha !== 0) { | |
var i; | |
for (i = 0; i < 3; i++) { | |
rgba[i] += pInt(alpha * 255); | |
if (rgba[i] < 0) { | |
rgba[i] = 0; | |
} | |
if (rgba[i] > 255) { | |
rgba[i] = 255; | |
} | |
} | |
} | |
return this; | |
} | |
/** | |
* Set the color's opacity to a given alpha value | |
* @param {Number} alpha | |
*/ | |
function setOpacity(alpha) { | |
rgba[3] = alpha; | |
return this; | |
} | |
// initialize: parse the input | |
init(input); | |
// public methods | |
return { | |
get: get, | |
brighten: brighten, | |
setOpacity: setOpacity | |
}; | |
}; | |
/** | |
* A wrapper object for SVG elements | |
*/ | |
function SVGElement () {} | |
SVGElement.prototype = { | |
/** | |
* Initialize the SVG renderer | |
* @param {Object} renderer | |
* @param {String} nodeName | |
*/ | |
init: function(renderer, nodeName) { | |
this.element = doc.createElementNS(SVG_NS, nodeName); | |
this.renderer = renderer; | |
}, | |
/** | |
* Animate a given attribute | |
* @param {Object} params | |
* @param {Number} options The same options as in jQuery animation | |
* @param {Function} complete Function to perform at the end of animation | |
*/ | |
animate: function(params, options, complete) { | |
var animOptions = pick(options, globalAnimation, true); | |
if (animOptions) { | |
animOptions = merge(animOptions); | |
if (complete) { // allows using a callback with the global animation without overwriting it | |
animOptions.complete = complete; | |
} | |
animate(this, params, animOptions); | |
} else { | |
this.attr(params); | |
if (complete) { | |
complete(); | |
} | |
} | |
}, | |
/** | |
* Set or get a given attribute | |
* @param {Object|String} hash | |
* @param {Mixed|Undefined} val | |
*/ | |
attr: function(hash, val) { | |
var wrapper = this, | |
key, | |
value, | |
result, | |
i, | |
child, | |
element = wrapper.element, | |
nodeName = element.nodeName, | |
renderer = wrapper.renderer, | |
skipAttr, | |
shadows = wrapper.shadows, | |
hasSetSymbolSize, | |
ret = wrapper; | |
// single key-value pair | |
if (isString(hash) && defined(val)) { | |
key = hash; | |
hash = {}; | |
hash[key] = val; | |
} | |
// used as a getter: first argument is a string, second is undefined | |
if (isString(hash)) { | |
key = hash; | |
if (nodeName === 'circle') { | |
key = { x: 'cx', y: 'cy' }[key] || key; | |
} else if (key === 'strokeWidth') { | |
key = 'stroke-width'; | |
} | |
ret = attr(element, key) || wrapper[key] || 0; | |
if (key !== 'd' && key !== 'visibility') { // 'd' is string in animation step | |
ret = parseFloat(ret); | |
} | |
// setter | |
} else { | |
for (key in hash) { | |
skipAttr = false; // reset | |
value = hash[key]; | |
fireEvent(wrapper, 'setAttr', { key: key, value: value }, function(e) { | |
result = e.result; | |
if (defined(result) && result !== false) { | |
value = result; | |
} | |
// paths | |
if (key === 'd') { | |
if (value && value.join) { // join path | |
value = value.join(' '); | |
} | |
if (/(NaN| {2}|^$)/.test(value)) { | |
value = 'M 0 0'; | |
} | |
wrapper.d = value; // shortcut for animations | |
// update child tspans x values | |
} else if (key === 'x' && nodeName === 'text') { | |
for (i = 0; i < element.childNodes.length; i++ ) { | |
child = element.childNodes[i]; | |
// if the x values are equal, the tspan represents a linebreak | |
if (attr(child, 'x') === attr(element, 'x')) { | |
//child.setAttribute('x', value); | |
attr(child, 'x', value); | |
} | |
} | |
if (wrapper.rotation) { | |
attr(element, 'transform', 'rotate('+ wrapper.rotation +' '+ value +' '+ | |
pInt(hash.y || attr(element, 'y')) +')'); | |
} | |
// apply gradients | |
} else if (key === 'fill') { | |
value = renderer.color(value, element, key); | |
// circle x and y | |
} else if (nodeName === 'circle' && (key === 'x' || key === 'y')) { | |
key = { x: 'cx', y: 'cy' }[key] || key; | |
// rectangle border radius | |
} else if (nodeName === 'rect' && key === 'r') { | |
attr(element, { | |
rx: value, | |
ry: value | |
}); | |
skipAttr = true; | |
// translation and text rotation | |
} else if (key === 'translateX' || key === 'translateY' || key === 'rotation' || key === 'verticalAlign') { | |
wrapper[key] = value; | |
wrapper.updateTransform(); | |
skipAttr = true; | |
// apply opacity as subnode (required by legacy WebKit and Batik) | |
} else if (key === 'stroke') { | |
value = renderer.color(value, element, key); | |
// emulate VML's dashstyle implementation | |
} else if (key === 'dashstyle') { | |
key = 'stroke-dasharray'; | |
value = value && value.toLowerCase(); | |
if (value === 'solid') { | |
value = NONE; | |
} else if (value) { | |
value = value | |
.replace('shortdashdotdot', '3,1,1,1,1,1,') | |
.replace('shortdashdot', '3,1,1,1') | |
.replace('shortdot', '1,1,') | |
.replace('shortdash', '3,1,') | |
.replace('longdash', '8,3,') | |
.replace(/dot/g, '1,3,') | |
.replace('dash', '4,3,') | |
.replace(/,$/, '') | |
.split(','); // ending comma | |
i = value.length; | |
while (i--) { | |
value[i] = pInt(value[i]) * hash['stroke-width']; | |
} | |
value = value.join(','); | |
} | |
// special | |
} else if (key === 'isTracker') { | |
wrapper[key] = value; | |
// IE9/MooTools combo: MooTools returns objects instead of numbers and IE9 Beta 2 | |
// is unable to cast them. Test again with final IE9. | |
} else if (key === 'width') { | |
value = pInt(value); | |
// Text alignment | |
} else if (key === 'align') { | |
key = 'text-anchor'; | |
value = { left: 'start', center: 'middle', right: 'end' }[value]; | |
} | |
// jQuery animate changes case | |
if (key === 'strokeWidth') { | |
key = 'stroke-width'; | |
} | |
// Chrome/Win < 6 bug (http://code.google.com/p/chromium/issues/detail?id=15461) | |
if (isWebKit && key === 'stroke-width' && value === 0) { | |
value = 0.000001; | |
} | |
// symbols | |
if (wrapper.symbolName && /^(x|y|r|start|end|innerR)/.test(key)) { | |
if (!hasSetSymbolSize) { | |
wrapper.symbolAttr(hash); | |
hasSetSymbolSize = true; | |
} | |
skipAttr = true; | |
} | |
// let the shadow follow the main element | |
if (shadows && /^(width|height|visibility|x|y|d|transform)$/.test(key)) { | |
i = shadows.length; | |
while (i--) { | |
attr(shadows[i], key, value); | |
} | |
} | |
// validate heights | |
if ((key === 'width' || key === 'height') && nodeName === 'rect' && value < 0) { | |
value = 0; | |
} | |
if (key === 'text') { | |
// only one node allowed | |
wrapper.textStr = value; | |
if (wrapper.added) { | |
renderer.buildText(wrapper); | |
} | |
} else if (!skipAttr) { | |
//fireEvent(this, 'setAttr', { key: key, value: value }, function() { | |
attr(element, key, value); | |
//}); | |
} | |
if (e.callback) { | |
e.callback(); | |
} | |
}); | |
} | |
} | |
return ret; | |
}, | |
/** | |
* If one of the symbol size affecting parameters are changed, | |
* check all the others only once for each call to an element's | |
* .attr() method | |
* @param {Object} hash | |
*/ | |
symbolAttr: function(hash) { | |
var wrapper = this; | |
each(['x', 'y', 'r', 'start', 'end', 'width', 'height', 'innerR', 'anchorX', 'anchorY'], function(key) { | |
wrapper[key] = pick(hash[key], wrapper[key]); | |
}); | |
wrapper.attr({ | |
d: wrapper.renderer.symbols[wrapper.symbolName](wrapper.x, wrapper.y, wrapper.width, wrapper.height, wrapper) | |
}); | |
}, | |
/** | |
* Apply a clipping path to this object | |
* @param {String} id | |
*/ | |
clip: function(clipRect) { | |
return this.attr('clip-path', 'url('+ this.renderer.url +'#'+ clipRect.id +')'); | |
}, | |
/** | |
* Calculate the coordinates needed for drawing a rectangle crisply and return the | |
* calculated attributes | |
* @param {Number} strokeWidth | |
* @param {Number} x | |
* @param {Number} y | |
* @param {Number} width | |
* @param {Number} height | |
*/ | |
crisp: function(strokeWidth, x, y, width, height) { | |
var wrapper = this, | |
element = wrapper.element, | |
key, | |
attribs = {}, | |
values = {}, | |
normalizer; | |
strokeWidth = strokeWidth || wrapper.strokeWidth || (wrapper.attr && wrapper.attr('stroke-width')) || 0; | |
normalizer = strokeWidth % 2 / 2; | |
// normalize for crisp edges | |
values.x = mathFloor(x || wrapper.x || 0) + normalizer; | |
values.y = mathFloor(y || wrapper.y || 0) + normalizer; | |
values.width = mathFloor((width || wrapper.width || 0) - 2 * normalizer); | |
values.height = mathFloor((height || wrapper.height || 0) - 2 * normalizer); | |
values.strokeWidth = strokeWidth; | |
for (key in values) { | |
if (wrapper[key] !== values[key]) { // only set attribute if changed | |
wrapper[key] = attribs[key] = values[key]; | |
} | |
} | |
return attribs; | |
}, | |
/** | |
* Set styles for the element | |
* @param {Object} styles | |
*/ | |
css: function(styles) { | |
var elemWrapper = this, | |
elem = elemWrapper.element, | |
textWidth = styles && styles.width && elem.nodeName === 'text', | |
n, | |
serializedCss, | |
hyphenate = function(a, b){ return '-'+ b.toLowerCase(); }; | |
// convert legacy | |
if (styles && styles.color) { | |
styles.fill = styles.color; | |
} | |
// merge the new styles with the old ones | |
styles = extend( | |
elemWrapper.styles, | |
styles | |
); | |
// store object | |
elemWrapper.styles = styles; | |
// serialize and set style attribute | |
if (isIE && !hasSVG) { // legacy IE doesn't support setting style attribute | |
if (textWidth) { | |
delete styles.width; | |
} | |
css(elemWrapper.element, styles); | |
} else { | |
for (n in styles) { | |
serializedCss += n.replace(/([A-Z])/g, hyphenate) + ':'+ styles[n] + ';'; | |
} | |
elemWrapper.attr({ | |
style: serializedCss | |
}); | |
} | |
// re-build text | |
if (textWidth && elemWrapper.added) { | |
elemWrapper.renderer.buildText(elemWrapper); | |
} | |
return elemWrapper; | |
}, | |
/** | |
* Add an event listener | |
* @param {String} eventType | |
* @param {Function} handler | |
*/ | |
on: function(eventType, handler) { | |
var fn = handler; | |
// touch | |
if (hasTouch && eventType === 'click') { | |
eventType = 'touchstart'; | |
fn = function(e) { | |
e.preventDefault(); | |
handler(); | |
}; | |
} | |
// simplest possible event model for internal use | |
this.element['on'+ eventType] = fn; | |
return this; | |
}, | |
/** | |
* Move an object and its children by x and y values | |
* @param {Number} x | |
* @param {Number} y | |
*/ | |
translate: function(x, y) { | |
return this.attr({ | |
translateX: x, | |
translateY: y | |
}); | |
}, | |
/** | |
* Invert a group, rotate and flip | |
*/ | |
invert: function() { | |
var wrapper = this; | |
wrapper.inverted = true; | |
wrapper.updateTransform(); | |
return wrapper; | |
}, | |
/** | |
* Private method to update the transform attribute based on internal | |
* properties | |
*/ | |
updateTransform: function() { | |
var wrapper = this, | |
translateX = wrapper.translateX || 0, | |
translateY = wrapper.translateY || 0, | |
inverted = wrapper.inverted, | |
rotation = wrapper.rotation, | |
shadows = wrapper.shadows, | |
transform = []; | |
// flipping affects translate as adjustment for flipping around the group's axis | |
if (inverted) { | |
translateX += wrapper.attr('width'); | |
translateY += wrapper.attr('height'); | |
} | |
// apply translate | |
if (translateX || translateY) { | |
transform.push('translate('+ translateX +','+ translateY +')'); | |
} | |
// apply rotation | |
if (inverted) { | |
transform.push('rotate(90) scale(-1,1)'); | |
} else if (rotation) { // text rotation | |
transform.push('rotate('+ rotation +' '+ wrapper.x +' '+ wrapper.y +')'); | |
} | |
if (transform.length) { | |
attr(wrapper.element, 'transform', transform.join(' ')); | |
if (shadows) { // in label/tooltip | |
each(shadows, function(shadow) { | |
attr(shadow, 'transform', 'translate('+ (translateX + 1) +','+ (translateY + 1) +')'); | |
}); | |
} | |
} | |
}, | |
/** | |
* Bring the element to the front | |
*/ | |
toFront: function() { | |
var element = this.element; | |
element.parentNode.appendChild(element); | |
return this; | |
}, | |
/** | |
* Break down alignment options like align, verticalAlign, x and y | |
* to x and y relative to the chart. | |
* | |
* @param {Object} alignOptions | |
* @param {Boolean} alignByTranslate | |
* @param {Object} box The box to align to, needs a width and height | |
* | |
*/ | |
align: function(alignOptions, alignByTranslate, box) { | |
var elemWrapper = this; | |
if (!alignOptions) { // called on resize | |
alignOptions = elemWrapper.alignOptions; | |
alignByTranslate = elemWrapper.alignByTranslate; | |
} else { // first call on instanciate | |
elemWrapper.alignOptions = alignOptions; | |
elemWrapper.alignByTranslate = alignByTranslate; | |
if (!box) { // boxes other than renderer handle this internally | |
elemWrapper.renderer.alignedObjects.push(elemWrapper); | |
} | |
} | |
box = pick(box, elemWrapper.renderer); | |
var align = alignOptions.align, | |
vAlign = alignOptions.verticalAlign, | |
x = (box.x || 0) + (alignOptions.x || 0), // default: left align | |
y = (box.y || 0) + (alignOptions.y || 0), // default: top align | |
attribs = {}; | |
// align | |
if (/^(right|center)$/.test(align)) { | |
x += (box.width - (alignOptions.width || 0) ) / | |
{ right: 1, center: 2 }[align]; | |
} | |
attribs[alignByTranslate ? 'translateX' : 'x'] = mathRound(x); | |
// vertical align | |
if (/^(bottom|middle)$/.test(vAlign)) { | |
y += (box.height - (alignOptions.height || 0)) / | |
({ bottom: 1, middle: 2 }[vAlign] || 1); | |
} | |
attribs[alignByTranslate ? 'translateY' : 'y'] = mathRound(y); | |
// animate only if already placed | |
elemWrapper[elemWrapper.placed ? 'animate' : 'attr'](attribs); | |
elemWrapper.placed = true; | |
elemWrapper.alignAttr = attribs; | |
return elemWrapper; | |
}, | |
/** | |
* Get the bounding box (width, height, x and y) for the element | |
*/ | |
getBBox: function() { | |
var bBox, | |
width, | |
height, | |
rotation = this.rotation, | |
rad = rotation * deg2rad; | |
try { // fails in Firefox if the container has display: none | |
// use extend because IE9 is not allowed to change width and height in case | |
// of rotation (below) | |
bBox = extend({}, this.element.getBBox()); | |
} catch(e) { | |
bBox = { width: 0, height: 0 }; | |
} | |
width = bBox.width; | |
height = bBox.height; | |
// adjust for rotated text | |
if (rotation) { | |
bBox.width = mathAbs(height * mathSin(rad)) + mathAbs(width * mathCos(rad)); | |
bBox.height = mathAbs(height * mathCos(rad)) + mathAbs(width * mathSin(rad)); | |
} | |
return bBox; | |
}, | |
/** | |
* Show the element | |
*/ | |
show: function() { | |
return this.attr({ visibility: VISIBLE }); | |
}, | |
/** | |
* Hide the element | |
*/ | |
hide: function() { | |
return this.attr({ visibility: HIDDEN }); | |
}, | |
/** | |
* Add the element | |
* @param {Object|Undefined} parent Can be an element, an element wrapper or undefined | |
* to append the element to the renderer.box. | |
*/ | |
add: function(parent) { | |
var renderer = this.renderer, | |
parentWrapper = parent || renderer, | |
parentNode = parentWrapper.element || renderer.box, | |
childNodes = parentNode.childNodes, | |
element = this.element, | |
zIndex = attr(element, 'zIndex'), | |
otherElement, | |
otherZIndex, | |
i, | |
inserted; | |
// mark as inverted | |
this.parentInverted = parent && parent.inverted; | |
// build formatted text | |
if (this.textStr !== undefined) { | |
renderer.buildText(this); | |
} | |
// mark the container as having z indexed children | |
if (zIndex) { | |
parentWrapper.handleZ = true; | |
zIndex = pInt(zIndex); | |
} | |
// insert according to this and other elements' zIndex | |
if (parentWrapper.handleZ) { // this element or any of its siblings has a z index | |
for (i = 0; i < childNodes.length; i++) { | |
otherElement = childNodes[i]; | |
otherZIndex = attr(otherElement, 'zIndex'); | |
if (otherElement !== element && ( | |
// insert before the first element with a higher zIndex | |
pInt(otherZIndex) > zIndex || | |
// if no zIndex given, insert before the first element with a zIndex | |
(!defined(zIndex) && defined(otherZIndex)) | |
)) { | |
parentNode.insertBefore(element, otherElement); | |
inserted = true; | |
break; | |
} | |
} | |
} | |
// default: append at the end | |
if (!inserted) { | |
parentNode.appendChild(element); | |
} | |
// mark as added | |
this.added = true; | |
// fire an event for internal hooks | |
fireEvent(this, 'add'); | |
return this; | |
}, | |
/** | |
* Destroy the element and element wrapper | |
*/ | |
destroy: function() { | |
var wrapper = this, | |
element = wrapper.element || {}, | |
shadows = wrapper.shadows, | |
box = wrapper.box, | |
parentNode = element.parentNode, | |
key; | |
// remove events | |
element.onclick = element.onmouseout = element.onmouseover = element.onmousemove = null; | |
stop(wrapper); // stop running animations | |
// remove element | |
if (parentNode) { | |
parentNode.removeChild(element); | |
} | |
// destroy shadows | |
if (shadows) { | |
each(shadows, function(shadow) { | |
parentNode = shadow.parentNode; | |
if (parentNode) { // the entire chart HTML can be overwritten | |
parentNode.removeChild(shadow); | |
} | |
}); | |
} | |
// destroy label box | |
if (box) { | |
box.destroy(); | |
} | |
// remove from alignObjects | |
erase(wrapper.renderer.alignedObjects, wrapper); | |
for (key in wrapper) { | |
delete wrapper[key]; | |
} | |
return null; | |
}, | |
/** | |
* Empty a group element | |
*/ | |
empty: function() { | |
var element = this.element, | |
childNodes = element.childNodes, | |
i = childNodes.length; | |
while (i--) { | |
element.removeChild(childNodes[i]); | |
} | |
}, | |
/** | |
* Add a shadow to the element. Must be done after the element is added to the DOM | |
* @param {Boolean} apply | |
*/ | |
shadow: function(apply, group) { | |
var shadows = [], | |
i, | |
shadow, | |
element = this.element, | |
// compensate for inverted plot area | |
transform = this.parentInverted ? '(-1,-1)' : '(1,1)'; | |
if (apply) { | |
for (i = 1; i <= 3; i++) { | |
shadow = element.cloneNode(0); | |
attr(shadow, { | |
'isShadow': 'true', | |
'stroke': 'rgb(0, 0, 0)', | |
'stroke-opacity': 0.05 * i, | |
'stroke-width': 7 - 2 * i, | |
'transform': 'translate'+ transform, | |
'fill': NONE | |
}); | |
if (group) { | |
group.element.appendChild(shadow); | |
} else { | |
element.parentNode.insertBefore(shadow, element); | |
} | |
shadows.push(shadow); | |
} | |
this.shadows = shadows; | |
} | |
return this; | |
} | |
}; | |
/** | |
* The default SVG renderer | |
*/ | |
var SVGRenderer = function() { | |
this.init.apply(this, arguments); | |
}; | |
SVGRenderer.prototype = { | |
Element: SVGElement, | |
/** | |
* Initialize the SVGRenderer | |
* @param {Object} container | |
* @param {Number} width | |
* @param {Number} height | |
* @param {Boolean} forExport | |
*/ | |
init: function(container, width, height, forExport) { | |
var renderer = this, | |
loc = location, | |
boxWrapper; | |
boxWrapper = renderer.createElement('svg') | |
.attr({ | |
xmlns: SVG_NS, | |
version: '1.1' | |
}); | |
container.appendChild(boxWrapper.element); | |
// object properties | |
renderer.box = boxWrapper.element; | |
renderer.boxWrapper = boxWrapper; | |
renderer.alignedObjects = []; | |
renderer.url = isIE ? '' : loc.href.replace(/#.*?$/, ''); // page url used for internal references | |
renderer.defs = this.createElement('defs').add(); | |
renderer.forExport = forExport; | |
renderer.setSize(width, height, false); | |
}, | |
/** | |
* Create a wrapper for an SVG element | |
* @param {Object} nodeName | |
*/ | |
createElement: function(nodeName) { | |
var wrapper = new this.Element(); | |
wrapper.init(this, nodeName); | |
return wrapper; | |
}, | |
/** | |
* Parse a simple HTML string into SVG tspans | |
* | |
* @param {Object} textNode The parent text SVG node | |
*/ | |
buildText: function(wrapper) { | |
var textNode = wrapper.element, | |
lines = pick(wrapper.textStr, '').toString() | |
.replace(/<(b|strong)>/g, '<span style="font-weight:bold">') | |
.replace(/<(i|em)>/g, '<span style="font-style:italic">') | |
.replace(/<a/g, '<span') | |
.replace(/<\/(b|strong|i|em|a)>/g, '</span>') | |
.split(/<br.*?>/g), | |
childNodes = textNode.childNodes, | |
styleRegex = /style="([^"]+)"/, | |
hrefRegex = /href="([^"]+)"/, | |
parentX = attr(textNode, 'x'), | |
textStyles = wrapper.styles, | |
reverse = isFirefox && textStyles && textStyles.HcDirection === 'rtl' && | |
!this.forExport && pInt(userAgent.split('Firefox/')[1]) < 4, // issue #38 | |
arr, | |
width = textStyles && pInt(textStyles.width), | |
textLineHeight = textStyles && textStyles.lineHeight, | |
lastLine, | |
GET_COMPUTED_STYLE = 'getComputedStyle', | |
i = childNodes.length; | |
// remove old text | |
while (i--) { | |
textNode.removeChild(childNodes[i]); | |
} | |
if (width && !wrapper.added) { | |
this.box.appendChild(textNode); // attach it to the DOM to read offset width | |
} | |
each(lines, function(line, lineNo) { | |
var spans, spanNo = 0, lineHeight; | |
line = line.replace(/<span/g, '|||<span').replace(/<\/span>/g, '</span>|||'); | |
spans = line.split('|||'); | |
each(spans, function (span) { | |
if (span !== '' || spans.length === 1) { | |
var attributes = {}, | |
tspan = doc.createElementNS(SVG_NS, 'tspan'); | |
if (styleRegex.test(span)) { | |
attr( | |
tspan, | |
'style', | |
span.match(styleRegex)[1].replace(/(;| |^)color([ :])/, '$1fill$2') | |
); | |
} | |
if (hrefRegex.test(span)) { | |
attr(tspan, 'onclick', 'location.href=\"'+ span.match(hrefRegex)[1] +'\"'); | |
css(tspan, { cursor: 'pointer' }); | |
} | |
span = (span.replace(/<(.|\n)*?>/g, '') || ' ') | |
.replace(/</g, '<') | |
.replace(/>/g, '>'); | |
// issue #38 workaround. | |
if (reverse) { | |
arr = []; | |
i = span.length; | |
while (i--) { | |
arr.push(span.charAt(i)); | |
} | |
span = arr.join(''); | |
} | |
// add the text node | |
tspan.appendChild(doc.createTextNode(span)); | |
if (!spanNo) { // first span in a line, align it to the left | |
attributes.x = parentX; | |
} else { | |
// Firefox ignores spaces at the front or end of the tspan | |
attributes.dx = 3; // space | |
} | |
// first span on subsequent line, add the line height | |
if (!spanNo) { | |
if (lineNo) { | |
// allow getting the right offset height in exporting in IE | |
if (!hasSVG && wrapper.renderer.forExport) { | |
css(tspan, { display: 'block' }); | |
} | |
// Webkit and opera sometimes return 'normal' as the line height. In that | |
// case, webkit uses offsetHeight, while Opera falls back to 18 | |
lineHeight = win[GET_COMPUTED_STYLE] && | |
win[GET_COMPUTED_STYLE](lastLine, null).getPropertyValue('line-height'); | |
if (!lineHeight || isNaN(lineHeight)) { | |
lineHeight = textLineHeight || lastLine.offsetHeight || 18; | |
} | |
attr(tspan, 'dy', lineHeight); | |
} | |
lastLine = tspan; // record for use in next line | |
} | |
// add attributes | |
attr(tspan, attributes); | |
// append it | |
textNode.appendChild(tspan); | |
spanNo++; | |
// check width and apply soft breaks | |
if (width) { | |
var words = span.replace(/-/g, '- ').split(' '), | |
tooLong, | |
actualWidth, | |
rest = []; | |
while (words.length || rest.length) { | |
actualWidth = textNode.getBBox().width; | |
tooLong = actualWidth > width; | |
if (!tooLong || words.length === 1) { // new line needed | |
words = rest; | |
rest = []; | |
if (words.length) { | |
tspan = doc.createElementNS(SVG_NS, 'tspan'); | |
attr(tspan, { | |
dy: textLineHeight || 16, | |
x: parentX | |
}); | |
textNode.appendChild(tspan); | |
if (actualWidth > width) { // a single word is pressing it out | |
width = actualWidth; | |
} | |
} | |
} else { // append to existing line tspan | |
tspan.removeChild(tspan.firstChild); | |
rest.unshift(words.pop()); | |
} | |
if (words.length) { | |
tspan.appendChild(doc.createTextNode(words.join(' ').replace(/- /g, '-'))); | |
} | |
} | |
} | |
} | |
}); | |
}); | |
}, | |
/** | |
* Create a button with preset states | |
* @param {String} text | |
* @param {Number} x | |
* @param {Number} y | |
* @param {Function} callback | |
* @param {Object} normalState | |
* @param {Object} hoverState | |
* @param {Object} pressedState | |
*/ | |
button: function(text, x, y, callback, normalState, hoverState, pressedState) { | |
var label = this.label(text, x, y), | |
curState = 0, | |
stateOptions, | |
stateStyle, | |
normalStyle, | |
hoverStyle, | |
pressedStyle, | |
STYLE = 'style'; | |
// prepare the attributes | |
normalState = merge(hash( | |
STROKE_WIDTH, 1, | |
STROKE, '#999', | |
FILL, hash( | |
LINEAR_GRADIENT, [0, 0, 0, 14], | |
STOPS, [ | |
[0, '#FFF'], | |
[1, '#DDD'] | |
] | |
), | |
'r', 3, | |
'padding', 3, | |
STYLE, hash( | |
'color', 'black' | |
) | |
), normalState); | |
normalStyle = normalState[STYLE]; | |
delete normalState[STYLE]; | |
hoverState = merge(normalState, hash( | |
STROKE, '#68A', | |
FILL, hash( | |
LINEAR_GRADIENT, [0, 0, 0, 14], | |
STOPS, [ | |
[0, '#FFF'], | |
[1, '#ACF'] | |
] | |
) | |
), hoverState); | |
hoverStyle = hoverState[STYLE]; | |
delete hoverState[STYLE]; | |
pressedState = merge(normalState, hash( | |
STROKE, '#68A', | |
FILL, hash( | |
LINEAR_GRADIENT, [0, 0, 0, 14], | |
STOPS, [ | |
[0, '#9BD'], | |
[1, '#CDF'] | |
] | |
) | |
), pressedState); | |
pressedStyle = pressedState[STYLE]; | |
delete pressedState[STYLE]; | |
// add the events | |
addEvent(label.element, 'mouseenter', function() { | |
label.attr(hoverState) | |
.css(hoverStyle); | |
}); | |
addEvent(label.element, 'mouseleave', function() { | |
stateOptions = [normalState, hoverState, pressedState][curState]; | |
stateStyle = [normalStyle, hoverStyle, pressedStyle][curState]; | |
label.attr(stateOptions) | |
.css(stateStyle); | |
}); | |
label.setState = function(state) { | |
curState = state; | |
if (!state) { | |
label.attr(normalState) | |
.css(normalStyle); | |
} else if (state === 2) { | |
label.attr(pressedState) | |
.css(pressedStyle); | |
} | |
}; | |
return label | |
.on('click', function() { | |
callback.call(label); | |
}) | |
.attr(normalState) | |
.css(extend({ cursor: 'default' }, normalStyle)); | |
}, | |
/** | |
* Make a straight line crisper by not spilling out to neighbour pixels | |
* @param {Array} points | |
* @param {Number} width | |
*/ | |
crispLine: function(points, width) { | |
// points format: [M, 0, 0, L, 100, 0] | |
// normalize to a crisp line | |
if (points[1] === points[4]) { | |
points[1] = points[4] = mathRound(points[1]) + (width % 2 / 2); | |
} | |
if (points[2] === points[5]) { | |
points[2] = points[5] = mathRound(points[2]) + (width % 2 / 2); | |
} | |
return points; | |
}, | |
/** | |
* Draw a path | |
* @param {Array} path An SVG path in array form | |
*/ | |
path: function (path) { | |
return this.createElement('path').attr({ | |
d: path, | |
fill: NONE | |
}); | |
}, | |
/** | |
* Draw and return an SVG circle | |
* @param {Number} x The x position | |
* @param {Number} y The y position | |
* @param {Number} r The radius | |
*/ | |
circle: function (x, y, r) { | |
var attr = isObject(x) ? | |
x : | |
{ | |
x: x, | |
y: y, | |
r: r | |
}; | |
return this.createElement('circle').attr(attr); | |
}, | |
/** | |
* Draw and return an arc | |
* @param {Number} x X position | |
* @param {Number} y Y position | |
* @param {Number} r Radius | |
* @param {Number} innerR Inner radius like used in donut charts | |
* @param {Number} start Starting angle | |
* @param {Number} end Ending angle | |
*/ | |
arc: function (x, y, r, innerR, start, end) { | |
// arcs are defined as symbols for the ability to set | |
// attributes in attr and animate | |
if (isObject(x)) { | |
y = x.y; | |
r = x.r; | |
innerR = x.innerR; | |
start = x.start; | |
end = x.end; | |
x = x.x; | |
} | |
return this.symbol('arc', x || 0, y || 0, r || 0, r || 0, { | |
innerR: innerR || 0, | |
start: start || 0, | |
end: end || 0 | |
}); | |
}, | |
/** | |
* Draw and return a rectangle | |
* @param {Number} x Left position | |
* @param {Number} y Top position | |
* @param {Number} width | |
* @param {Number} height | |
* @param {Number} r Border corner radius | |
* @param {Number} strokeWidth A stroke width can be supplied to allow crisp drawing | |
*/ | |
rect: function (x, y, width, height, r, strokeWidth) { | |
if (isObject(x)) { | |
y = x.y; | |
width = x.width; | |
height = x.height; | |
r = x.r; | |
strokeWidth = x.strokeWidth; | |
x = x.x; | |
} | |
var wrapper = this.createElement('rect').attr({ | |
rx: r, | |
ry: r, | |
fill: NONE | |
}); | |
return wrapper.attr(wrapper.crisp(strokeWidth, x, y, mathMax(width, 0), mathMax(height, 0))); | |
}, | |
/** | |
* Resize the box and re-align all aligned elements | |
* @param {Object} width | |
* @param {Object} height | |
* @param {Boolean} animate | |
* | |
*/ | |
setSize: function(width, height, animate) { | |
var renderer = this, | |
alignedObjects = renderer.alignedObjects, | |
i = alignedObjects.length; | |
renderer.width = width; | |
renderer.height = height; | |
renderer.boxWrapper[pick(animate, true) ? 'animate' : 'attr']({ | |
width: width, | |
height: height | |
}); | |
while (i--) { | |
alignedObjects[i].align(); | |
} | |
}, | |
/** | |
* Create a group | |
* @param {String} name The group will be given a class name of 'highcharts-{name}'. | |
* This can be used for styling and scripting. | |
*/ | |
g: function(name) { | |
return this.createElement('g').attr( | |
defined(name) && { 'class': PREFIX + name } | |
); | |
}, | |
/** | |
* Display an image | |
* @param {String} src | |
* @param {Number} x | |
* @param {Number} y | |
* @param {Number} width | |
* @param {Number} height | |
*/ | |
image: function(src, x, y, width, height) { | |
var attribs = { | |
preserveAspectRatio: NONE | |
}, | |
elemWrapper; | |
// optional properties | |
if (arguments.length > 1) { | |
extend(attribs, { | |
x: x, | |
y: y, | |
width: width, | |
height: height | |
}); | |
} | |
elemWrapper = this.createElement('image').attr(attribs); | |
// set the href in the xlink namespace | |
if (elemWrapper.element.setAttributeNS) { | |
elemWrapper.element.setAttributeNS('http://www.w3.org/1999/xlink', | |
'href', src); | |
} else { | |
// could be exporting in IE | |
// using href throws "not supported" in ie7 and under, requries regex shim to fix later | |
elemWrapper.element.setAttribute('hc-svg-href', src); | |
} | |
return elemWrapper; | |
}, | |
/** | |
* Draw a symbol out of pre-defined shape paths from the namespace 'symbol' object. | |
* | |
* @param {Object} symbol | |
* @param {Object} x | |
* @param {Object} y | |
* @param {Object} radius | |
* @param {Object} options | |
*/ | |
symbol: function(symbol, x, y, width, height, options) { | |
var obj, | |
// get the symbol definition function | |
symbolFn = this.symbols[symbol], | |
// check if there's a path defined for this symbol | |
path = symbolFn && symbolFn( | |
mathRound(x), | |
mathRound(y), | |
width, | |
height, | |
options | |
), | |
imageRegex = /^url\((.*?)\)$/, | |
imageSrc, | |
imageSize; | |
if (path) { | |
obj = this.path(path); | |
// expando properties for use in animate and attr | |
extend(obj, { | |
symbolName: symbol, | |
x: x, | |
y: y, | |
width: width, | |
height: height | |
}); | |
if (options) { | |
extend(obj, options); | |
} | |
// image symbols | |
} else if (imageRegex.test(symbol)) { | |
var centerImage = function(img, size) { | |
img.attr({ | |
width: size[0], | |
height: size[1] | |
}).translate( | |
-mathRound(size[0] / 2), | |
-mathRound(size[1] / 2) | |
); | |
}; | |
imageSrc = symbol.match(imageRegex)[1]; | |
imageSize = symbolSizes[imageSrc]; | |
// create the image synchronously, add attribs async | |
obj = this.image(imageSrc) | |
.attr({ | |
x: x, | |
y: y | |
}); | |
if (imageSize) { | |
centerImage(obj, imageSize); | |
} else { | |
// initialize image to be 0 size so export will still function if there's no cached sizes | |
obj.attr({ width: 0, height: 0 }); | |
// create a dummy JavaScript image to get the width and height | |
createElement('img', { | |
onload: function() { | |
var img = this; | |
centerImage(obj, symbolSizes[imageSrc] = [img.width, img.height]); | |
}, | |
src: imageSrc | |
}); | |
} | |
} | |
return obj; | |
}, | |
/** | |
* An extendable collection of functions for defining symbol paths. | |
*/ | |
symbols: { | |
'circle': function (x, y, w, h) { | |
var cpw = 0.166 * w; | |
return [ | |
M, x + w / 2, y, | |
'C', x + w + cpw, y, x + w + cpw, y + h, x + w / 2, y + h, | |
'C', x - cpw, y + h, x - cpw, y, x + w / 2, y, | |
'Z' | |
]; | |
}, | |
'square': function (x, y, w, h) { | |
return [ | |
M, x, y, | |
L, x + w, y, | |
x + w, y + h, | |
x, y + h, | |
'Z' | |
]; | |
}, | |
'triangle': function (x, y, w, h) { | |
return [ | |
M, x + w / 2, y, | |
L, x + w, y + h, | |
x, y + h, | |
'Z' | |
]; | |
}, | |
'triangle-down': function (x, y, w, h) { | |
return [ | |
M, x, y, | |
L, x + w, y, | |
x + w / 2, y + h, | |
'Z' | |
]; | |
}, | |
'diamond': function (x, y, w, h) { | |
return [ | |
M, x + w / 2, y, | |
L, x + w, y + h / 2, | |
x + w / 2, y + h, | |
x, y + h / 2, | |
'Z' | |
]; | |
}, | |
'arc': function (x, y, w, h, options) { | |
var start = options.start, | |
radius = w, | |
end = options.end - 0.000001, // to prevent cos and sin of start and end from becoming equal on 360 arcs | |
innerRadius = options.innerR, | |
cosStart = mathCos(start), | |
sinStart = mathSin(start), | |
cosEnd = mathCos(end), | |
sinEnd = mathSin(end), | |
longArc = options.end - start < mathPI ? 0 : 1; | |
return [ | |
M, | |
x + radius * cosStart, | |
y + radius * sinStart, | |
'A', // arcTo | |
radius, // x radius | |
radius, // y radius | |
0, // slanting | |
longArc, // long or short arc | |
1, // clockwise | |
x + radius * cosEnd, | |
y + radius * sinEnd, | |
L, | |
x + innerRadius * cosEnd, | |
y + innerRadius * sinEnd, | |
'A', // arcTo | |
innerRadius, // x radius | |
innerRadius, // y radius | |
0, // slanting | |
longArc, // long or short arc | |
0, // clockwise | |
x + innerRadius * cosStart, | |
y + innerRadius * sinStart, | |
'Z' // close | |
]; | |
} | |
}, | |
/** | |
* Define a clipping rectangle | |
* @param {String} id | |
* @param {Number} x | |
* @param {Number} y | |
* @param {Number} width | |
* @param {Number} height | |
*/ | |
clipRect: function (x, y, width, height) { | |
var wrapper, | |
id = PREFIX + idCounter++, | |
clipPath = this.createElement('clipPath').attr({ | |
id: id | |
}).add(this.defs); | |
wrapper = this.rect(x, y, width, height, 0).add(clipPath); | |
wrapper.id = id; | |
return wrapper; | |
}, | |
/** | |
* Take a color and return it if it's a string, make it a gradient if it's a | |
* gradient configuration object | |
* | |
* @param {Object} color The color or config object | |
*/ | |
color: function(color, elem, prop) { | |
var colorObject, | |
regexRgba = /^rgba/; | |
if (color && color.linearGradient) { | |
var renderer = this, | |
strLinearGradient = 'linearGradient', | |
linearGradient = color[strLinearGradient], | |
id = PREFIX + idCounter++, | |
gradientObject, | |
stopColor, | |
stopOpacity; | |
gradientObject = renderer.createElement(strLinearGradient).attr({ | |
id: id, | |
gradientUnits: 'userSpaceOnUse', | |
x1: linearGradient[0], | |
y1: linearGradient[1], | |
x2: linearGradient[2], | |
y2: linearGradient[3] | |
}).add(renderer.defs); | |
each(color.stops, function(stop) { | |
if (regexRgba.test(stop[1])) { | |
colorObject = Color(stop[1]); | |
stopColor = colorObject.get('rgb'); | |
stopOpacity = colorObject.get('a'); | |
} else { | |
stopColor = stop[1]; | |
stopOpacity = 1; | |
} | |
renderer.createElement('stop').attr({ | |
offset: stop[0], | |
'stop-color': stopColor, | |
'stop-opacity': stopOpacity | |
}).add(gradientObject); | |
}); | |
return 'url('+ this.url +'#'+ id +')'; | |
// Webkit and Batik can't show rgba. | |
} else if (regexRgba.test(color)) { | |
colorObject = Color(color); | |
attr(elem, prop +'-opacity', colorObject.get('a')); | |
return colorObject.get('rgb'); | |
} else { | |
return color; | |
} | |
}, | |
/** | |
* Add text to the SVG object | |
* @param {String} str | |
* @param {Number} x Left position | |
* @param {Number} y Top position | |
*/ | |
text: function(str, x, y) { | |
// declare variables | |
var renderer = this, | |
defaultChartStyle = defaultOptions.chart.style, | |
wrapper, | |
box; | |
x = mathRound(pick(x, 0)); | |
y = mathRound(pick(y, 0)); | |
wrapper = renderer.createElement('text') | |
.attr({ | |
x: x, | |
y: y, | |
text: str | |
}) | |
.css({ | |
fontFamily: defaultChartStyle.fontFamily, | |
fontSize: defaultChartStyle.fontSize | |
}); | |
wrapper.x = x; | |
wrapper.y = y; | |
return wrapper; | |
}, | |
/** | |
* Add a label, a text item that can hold a colored or gradient background | |
* as well as a border and shadow. | |
* @param {string} str | |
* @param {Number} x | |
* @param {Number} y | |
* @param {String} shape | |
* @param {Number} anchorX In case the shape has a pointer, like a flag, this is the | |
* coordinates it should be pinned to | |
* @param {Number} anchorY | |
*/ | |
label: function(str, x, y, shape, anchorX, anchorY) { | |
var renderer = this, | |
wrapper = renderer.text(str), | |
box, | |
bBox, | |
align = 'left', | |
padding = 2, | |
width, | |
height, | |
xAdjust, | |
deferredAttr = {}; | |
function updateBoxSize() { | |
bBox = (width === undefined || height === undefined || wrapper.styles.textAlign) && wrapper.getBBox(true); | |
var w = (width || bBox.width) + 2 * padding, | |
h = (height || bBox.height) + 2 * padding, | |
anchors; | |
xAdjust = mathRound(w * { left: 0, center: 0.5, right: 1 }[align]); | |
anchors = anchorX !== undefined && { | |
anchorX: anchorX - x + xAdjust, | |
anchorY: anchorY - y | |
}; | |
if (!box) { | |
wrapper.box = box = shape ? | |
renderer.symbol(shape, 0, 0, w, h, anchors) : | |
renderer.rect(0, 0, w, h, 0, deferredAttr['stroke-width']); | |
box.add(); // to get the translation right in IE | |
} | |
box.attr(merge({ | |
width: w, | |
height: h | |
}, anchors, deferredAttr)); | |
deferredAttr = null; | |
} | |
/** | |
* Set box attributes, or defer them if the box is not yet created | |
* @param {Object} key | |
* @param {Object} value | |
*/ | |
function boxAttr(key, value) { | |
if (box) { | |
box.attr(key, value); | |
} else { | |
deferredAttr[key] = value; | |
} | |
} | |
addEvent(wrapper, 'add', function() { | |
updateBoxSize(); | |
var boxElem = box.element, | |
wrapperElem = wrapper.element, | |
zIndex = attr(wrapperElem, 'zIndex'); | |
if (defined(zIndex)) { | |
attr(boxElem, 'zIndex', zIndex); | |
} | |
wrapperElem.parentNode.insertBefore(boxElem, wrapperElem); | |
wrapper.attr({ | |
x: x, | |
y: y | |
}); | |
}); | |
addEvent(wrapper, 'setAttr', function(e) { | |
var key = e.key, | |
value = e.value, | |
elem = wrapper, | |
textAlign, | |
ret; | |
// change local variables | |
if (key === 'width') { | |
width = value; | |
ret = false; | |
} else if (key === 'height') { | |
height = value; | |
ret = false; | |
} else if (key === 'padding') { | |
padding = value; | |
ret = false; | |
// change local variable and set attribue as well | |
} else if (key === 'align') { | |
align = value; | |
//ret = false; | |
// apply these to the box and the text alike | |
} else if (key === 'visibility' || key === 'zIndex') { | |
boxAttr(key, value); | |
} | |
// apply these to the box but not to the text | |
else if (key === 'stroke' || key === 'stroke-width' || key === 'fill' || key === 'r') { | |
boxAttr(key, value); | |
ret = false; | |
} | |
// change box attributes and return modified values | |
else if (key === 'x') { | |
textAlign = wrapper.styles.textAlign; | |
boxAttr('translateX', value - xAdjust); | |
if (align === 'left' && defined(width) && (textAlign === 'center' || textAlign === 'right')) { | |
value += { center: 0.5, right: 1 }[textAlign] * (width - bBox.width); | |
} | |
ret = mathRound(value + { left: 1, center: 0, right: -1 }[align] * padding); | |
} else if (key === 'y') { | |
boxAttr('translateY', value); | |
ret = mathRound(value + pInt(wrapper.styles.fontSize || 12) * 1.2); | |
} | |
else if (key === 'text') { | |
e.callback = updateBoxSize; | |
} | |
if (ret !== UNDEFINED) { | |
return ret; | |
} | |
}); | |
wrapper.txtToFront = wrapper.toFront; | |
return extend(wrapper, { | |
shadow: function(b) { | |
box.shadow(b); | |
return wrapper; | |
}, | |
toFront: function() { | |
box.toFront(); | |
wrapper.txtToFront(); | |
} | |
}); | |
} | |
}; // end SVGRenderer | |
// general renderer | |
Renderer = SVGRenderer; | |
/* **************************************************************************** | |
* * | |
* START OF INTERNET EXPLORER <= 8 SPECIFIC CODE * | |
* * | |
* For applications and websites that don't need IE support, like platform * | |
* targeted mobile apps and web apps, this code can be removed. * | |
* * | |
*****************************************************************************/ | |
/** | |
* @constructor | |
*/ | |
var VMLRenderer; | |
if (!hasSVG) { | |
/** | |
* The VML element wrapper. | |
*/ | |
var VMLElement = extendClass( SVGElement, { | |
/** | |
* Initialize a new VML element wrapper. It builds the markup as a string | |
* to minimize DOM traffic. | |
* @param {Object} renderer | |
* @param {Object} nodeName | |
*/ | |
init: function(renderer, nodeName) { | |
var markup = ['<', nodeName, ' filled="f" stroked="f"'], | |
style = ['position: ', ABSOLUTE, ';']; | |
// divs and shapes need size | |
if (nodeName === 'shape' || nodeName === DIV) { | |
style.push('left:0;top:0;width:10px;height:10px;'); | |
} | |
if (docMode8) { | |
style.push('visibility: ', nodeName === DIV ? HIDDEN : VISIBLE); | |
} | |
markup.push(' style="', style.join(''), '"/>'); | |
// create element with default attributes and style | |
if (nodeName) { | |
markup = nodeName === DIV || nodeName === 'span' || nodeName === 'img' ? | |
markup.join('') | |
: renderer.prepVML(markup); | |
this.element = createElement(markup); | |
} | |
this.renderer = renderer; | |
}, | |
/** | |
* Add the node to the given parent | |
* @param {Object} parent | |
*/ | |
add: function(parent) { | |
var wrapper = this, | |
renderer = wrapper.renderer, | |
element = wrapper.element, | |
box = renderer.box, | |
inverted = parent && parent.inverted, | |
// get the parent node | |
parentNode = parent ? | |
parent.element || parent : | |
box; | |
// if the parent group is inverted, apply inversion on all children | |
if (inverted) { // only on groups | |
renderer.invertChild(element, parentNode); | |
} | |
// issue #140 workaround - related to #61 and #74 | |
if (docMode8 && parentNode.gVis === HIDDEN) { | |
css(element, { visibility: HIDDEN }); | |
} | |
// append it | |
parentNode.appendChild(element); | |
// align text after adding to be able to read offset | |
wrapper.added = true; | |
if (wrapper.alignOnAdd && !wrapper.deferUpdateTransform) { | |
wrapper.updateTransform(); | |
} | |
// fire an event for internal hooks | |
fireEvent(wrapper, 'add'); | |
return wrapper; | |
}, | |
/** | |
* Get or set attributes | |
*/ | |
attr: function(hash, val) { | |
var wrapper = this, | |
key, | |
value, | |
i, | |
result, | |
element = wrapper.element || {}, | |
elemStyle = element.style, | |
nodeName = element.nodeName, | |
renderer = wrapper.renderer, | |
symbolName = wrapper.symbolName, | |
childNodes, | |
hasSetSymbolSize, | |
shadows = wrapper.shadows, | |
skipAttr, | |
ret = wrapper; | |
// single key-value pair | |
if (isString(hash) && defined(val)) { | |
key = hash; | |
hash = {}; | |
hash[key] = val; | |
} | |
// used as a getter, val is undefined | |
if (isString(hash)) { | |
key = hash; | |
if (key === 'strokeWidth' || key === 'stroke-width') { | |
ret = wrapper.strokeweight; | |
} else { | |
ret = wrapper[key]; | |
} | |
// setter | |
} else { | |
for (key in hash) { | |
value = hash[key]; | |
skipAttr = false; | |
fireEvent(wrapper, 'setAttr', { key: key, value: value }, function(e) { | |
result = e.result; | |
if (defined(result) && result !== false) { | |
value = result; | |
} | |
// prepare paths | |
// symbols | |
if (symbolName && /^(x|y|r|start|end|width|height|innerR)/.test(key)) { | |
// if one of the symbol size affecting parameters are changed, | |
// check all the others only once for each call to an element's | |
// .attr() method | |
if (!hasSetSymbolSize) { | |
wrapper.symbolAttr(hash); | |
hasSetSymbolSize = true; | |
} | |
skipAttr = true; | |
} else if (key === 'd') { | |
value = value || []; | |
wrapper.d = value.join(' '); // used in getter for animation | |
// convert paths | |
i = value.length; | |
var convertedPath = []; | |
while (i--) { | |
// Multiply by 10 to allow subpixel precision. | |
// Substracting half a pixel seems to make the coordinates | |
// align with SVG, but this hasn't been tested thoroughly | |
if (isNumber(value[i])) { | |
convertedPath[i] = mathRound(value[i] * 10) - 5; | |
} | |
// close the path | |
else if (value[i] === 'Z') { | |
convertedPath[i] = 'x'; | |
} | |
else { | |
convertedPath[i] = value[i]; | |
} | |
} | |
value = convertedPath.join(' ') || 'x'; | |
element.path = value; | |
// update shadows | |
if (shadows) { | |
i = shadows.length; | |
while (i--) { | |
shadows[i].path = value; | |
} | |
} | |
skipAttr = true; | |
// directly mapped to css | |
} else if (key === 'zIndex' || key === 'visibility') { | |
// issue 61 workaround | |
if (docMode8 && key === 'visibility' && nodeName === 'DIV') { | |
element.gVis = value; | |
childNodes = element.childNodes; | |
i = childNodes.length; | |
while (i--) { | |
css(childNodes[i], { visibility: value }); | |
} | |
if (value === VISIBLE) { // issue 74 | |
value = null; | |
} | |
} | |
if (value) { | |
elemStyle[key] = value; | |
} | |
skipAttr = true; | |
// width and height | |
} else if (key === 'width' || key === 'height') { | |
// clipping rectangle special | |
if (wrapper.updateClipping) { | |
wrapper[key] = value; | |
wrapper.updateClipping(); | |
} else { | |
// normal | |
elemStyle[key] = value; | |
} | |
skipAttr = true; | |
// x and y | |
} else if (/^(x|y)$/.test(key)) { | |
wrapper[key] = value; // used in getter | |
if (element.tagName === 'SPAN') { | |
wrapper.updateTransform(); | |
} else { | |
elemStyle[{ x: 'left', y: 'top' }[key]] = value; | |
} | |
// class name | |
} else if (key === 'class') { | |
// IE8 Standards mode has problems retrieving the className | |
element.className = value; | |
// stroke | |
} else if (key === 'stroke') { | |
value = renderer.color(value, element, key); | |
key = 'strokecolor'; | |
// stroke width | |
} else if (key === 'stroke-width' || key === 'strokeWidth') { | |
element.stroked = value ? true : false; | |
key = 'strokeweight'; | |
wrapper[key] = value; // used in getter, issue #113 | |
if (isNumber(value)) { | |
value += PX; | |
} | |
// dashStyle | |
} else if (key === 'dashstyle') { | |
var strokeElem = element.getElementsByTagName('stroke')[0] || | |
createElement(renderer.prepVML(['<stroke/>']), null, null, element); | |
strokeElem[key] = value || 'solid'; | |
wrapper.dashstyle = value; /* because changing stroke-width will change the dash length | |
and cause an epileptic effect */ | |
skipAttr = true; | |
// fill | |
} else if (key === 'fill') { | |
if (nodeName === 'SPAN') { // text color | |
elemStyle.color = value; | |
} else { | |
element.filled = value !== NONE ? true : false; | |
value = renderer.color(value, element, key); | |
key = 'fillcolor'; | |
} | |
// translation for animation | |
} else if (key === 'translateX' || key === 'translateY' || key === 'rotation' || key === 'align') { | |
if (key === 'align') { | |
key = 'textAlign'; | |
} | |
wrapper[key] = value; | |
wrapper.updateTransform(); | |
skipAttr = true; | |
} | |
// text for rotated and non-rotated elements | |
else if (key === 'text') { | |
this.bBox = null; | |
element.innerHTML = value; | |
skipAttr = true; | |
} | |
// let the shadow follow the main element | |
if (shadows && key === 'visibility') { | |
i = shadows.length; | |
while (i--) { | |
shadows[i].style[key] = value; | |
} | |
} | |
if (!skipAttr) { | |
if (docMode8) { // IE8 setAttribute bug | |
try { | |
element[key] = value; | |
} catch(e) { | |
console.log([element.tagName, key, value].join(', ')); | |
} | |
} else { | |
attr(element, key, value); | |
} | |
} | |
if (e.callback) { | |
e.callback(); | |
} | |
}); | |
} | |
} | |
return ret; | |
}, | |
/** | |
* Set the element's clipping to a predefined rectangle | |
* | |
* @param {String} id The id of the clip rectangle | |
*/ | |
clip: function(clipRect) { | |
var wrapper = this, | |
clipMembers = clipRect.members; | |
clipMembers.push(wrapper); | |
wrapper.destroyClip = function() { | |
erase(clipMembers, wrapper); | |
}; | |
return wrapper.css(clipRect.getCSS(wrapper.inverted)); | |
}, | |
/** | |
* Set styles for the element | |
* @param {Object} styles | |
*/ | |
css: function(styles) { | |
var wrapper = this, | |
element = wrapper.element, | |
textWidth = styles && element.tagName === 'SPAN' && styles.width; | |
if (textWidth) { | |
delete styles.width; | |
wrapper.textWidth = textWidth; | |
wrapper.updateTransform(); | |
} | |
wrapper.styles = extend(wrapper.styles, styles); | |
css(wrapper.element, styles); | |
return wrapper; | |
}, | |
/** | |
* Extend element.destroy by removing it from the clip members array | |
*/ | |
destroy: function() { | |
var wrapper = this; | |
if (wrapper.destroyClip) { | |
wrapper.destroyClip(); | |
} | |
SVGElement.prototype.destroy.apply(wrapper); | |
}, | |
/** | |
* Remove all child nodes of a group, except the v:group element | |
*/ | |
empty: function() { | |
var element = this.element, | |
childNodes = element.childNodes, | |
i = childNodes.length, | |
node; | |
while (i--) { | |
node = childNodes[i]; | |
node.parentNode.removeChild(node); | |
} | |
}, | |
/** | |
* VML override for calculating the bounding box based on offsets | |
* @param {Boolean} refresh Whether to force a fresh value from the DOM or to | |
* use the cached value | |
* | |
* @return {Object} A hash containing values for x, y, width and height | |
*/ | |
getBBox: function(refresh) { | |
var wrapper = this, | |
element = wrapper.element, | |
bBox = wrapper.bBox; | |
// faking getBBox in exported SVG in legacy IE | |
if (!bBox || refresh) { | |
// faking getBBox in exported SVG in legacy IE | |
if (element.nodeName === 'text') { | |
element.style.position = ABSOLUTE; | |
} | |
bBox = wrapper.bBox = { | |
x: element.offsetLeft, | |
y: element.offsetTop, | |
width: element.offsetWidth, | |
height: element.offsetHeight | |
}; | |
} | |
return bBox; | |
}, | |
/** | |
* Add an event listener. VML override for normalizing event parameters. | |
* @param {String} eventType | |
* @param {Function} handler | |
*/ | |
on: function(eventType, handler) { | |
// simplest possible event model for internal use | |
this.element['on'+ eventType] = function() { | |
var evt = win.event; | |
evt.target = evt.srcElement; | |
handler(evt); | |
}; | |
return this; | |
}, | |
/** | |
* VML override private method to update elements based on internal | |
* properties based on SVG transform | |
*/ | |
updateTransform: function(hash) { | |
// aligning non added elements is expensive | |
if (!this.added) { | |
this.alignOnAdd = true; | |
return; | |
} | |
var wrapper = this, | |
elem = wrapper.element, | |
translateX = wrapper.translateX || 0, | |
translateY = wrapper.translateY || 0, | |
x = wrapper.x || 0, | |
y = wrapper.y || 0, | |
align = wrapper.textAlign || 'left', | |
alignCorrection = { left: 0, center: 0.5, right: 1 }[align], | |
nonLeft = align && align !== 'left', | |
shadows = wrapper.shadows; | |
// apply translate | |
if (translateX || translateY) { | |
css(elem, { | |
marginLeft: translateX, | |
marginTop: translateY | |
}); | |
if (shadows) { // used in labels/tooltip | |
each(shadows, function(shadow) { | |
css(shadow, { | |
marginLeft: translateX + 1, | |
marginTop: translateY + 1 | |
}); | |
}); | |
} | |
} | |
// apply inversion | |
if (wrapper.inverted) { // wrapper is a group | |
each(elem.childNodes, function(child) { | |
wrapper.renderer.invertChild(child, elem); | |
}); | |
} | |
if (elem.tagName === 'SPAN') { | |
var width, height, | |
rotation = wrapper.rotation, | |
lineHeight, | |
radians = 0, | |
costheta = 1, | |
sintheta = 0, | |
quad, | |
textWidth = pInt(wrapper.textWidth), | |
xCorr = wrapper.xCorr || 0, | |
yCorr = wrapper.yCorr || 0, | |
currentTextTransform = [rotation, align, elem.innerHTML, wrapper.textWidth].join(','); | |
if (currentTextTransform !== wrapper.cTT) { // do the calculations and DOM access only if properties changed | |
if (defined(rotation)) { | |
radians = rotation * deg2rad; // deg to rad | |
costheta = mathCos(radians); | |
sintheta = mathSin(radians); | |
// Adjust for alignment and rotation. | |
// Test case: http://highcharts.com/tests/?file=text-rotation | |
css(elem, { | |
filter: rotation ? ['progid:DXImageTransform.Microsoft.Matrix(M11=', costheta, | |
', M12=', -sintheta, ', M21=', sintheta, ', M22=', costheta, | |
', sizingMethod=\'auto expand\')'].join('') : NONE | |
}); | |
} | |
width = pick(wrapper.elemWidth, elem.offsetWidth); | |
height = pick(wrapper.elemHeight, elem.offsetHeight); | |
// update textWidth | |
if (width > textWidth) { | |
css(elem, { | |
width: textWidth +PX, | |
display: 'block', | |
whiteSpace: 'normal' | |
}); | |
width = textWidth; | |
} | |
// correct x and y | |
lineHeight = mathRound((pInt(elem.style.fontSize) || 12) * 1.2); | |
xCorr = costheta < 0 && -width; | |
yCorr = sintheta < 0 && -height; | |
// correct for lineHeight and corners spilling out after rotation | |
quad = costheta * sintheta < 0; | |
xCorr += sintheta * lineHeight * (quad ? 1 - alignCorrection : alignCorrection); | |
yCorr -= costheta * lineHeight * (rotation ? (quad ? alignCorrection : 1 - alignCorrection) : 1); | |
// correct for the length/height of the text | |
if (nonLeft) { | |
xCorr -= width * alignCorrection * (costheta < 0 ? -1 : 1); | |
if (rotation) { | |
yCorr -= height * alignCorrection * (sintheta < 0 ? -1 : 1); | |
} | |
css(elem, { | |
textAlign: align | |
}); | |
} | |
// record correction | |
wrapper.xCorr = xCorr; | |
wrapper.yCorr = yCorr; | |
} | |
// apply position with correction | |
css(elem, { | |
left: x + xCorr, | |
top: y + yCorr | |
}); | |
// record current text transform | |
wrapper.cTT = currentTextTransform; | |
} | |
}, | |
/** | |
* Apply a drop shadow by copying elements and giving them different strokes | |
* @param {Boolean} apply | |
*/ | |
shadow: function(apply, group) { | |
var shadows = [], | |
i, | |
element = this.element, | |
renderer = this.renderer, | |
shadow, | |
elemStyle = element.style, | |
markup, | |
path = element.path; | |
// some times empty paths are not strings | |
if (path && typeof path.value !== 'string') { | |
path = 'x'; | |
} | |
if (apply) { | |
for (i = 1; i <= 3; i++) { | |
markup = ['<shape isShadow="true" strokeweight="', ( 7 - 2 * i ) , | |
'" filled="false" path="', path, | |
'" coordsize="100,100" style="', element.style.cssText, '" />']; | |
shadow = createElement(renderer.prepVML(markup), | |
null, { | |
left: pInt(elemStyle.left) + 1, | |
top: pInt(elemStyle.top) + 1 | |
} | |
); | |
// apply the opacity | |
markup = ['<stroke color="black" opacity="', (0.05 * i), '"/>']; | |
createElement(renderer.prepVML(markup), null, null, shadow); | |
// insert it | |
if (group) { | |
group.element.appendChild(shadow); | |
} else { | |
element.parentNode.insertBefore(shadow, element); | |
} | |
// record it | |
shadows.push(shadow); | |
} | |
this.shadows = shadows; | |
} | |
return this; | |
} | |
}); | |
/** | |
* The VML renderer | |
*/ | |
VMLRenderer = function() { | |
this.init.apply(this, arguments); | |
}; | |
VMLRenderer.prototype = merge( SVGRenderer.prototype, { // inherit SVGRenderer | |
Element: VMLElement, | |
isIE8: userAgent.indexOf('MSIE 8.0') > -1, | |
/** | |
* Initialize the VMLRenderer | |
* @param {Object} container | |
* @param {Number} width | |
* @param {Number} height | |
*/ | |
init: function(container, width, height) { | |
var renderer = this, | |
boxWrapper; | |
renderer.alignedObjects = []; | |
boxWrapper = renderer.createElement(DIV); | |
container.appendChild(boxWrapper.element); | |
// generate the containing box | |
renderer.box = boxWrapper.element; | |
renderer.boxWrapper = boxWrapper; | |
renderer.setSize(width, height, false); | |
// The only way to make IE6 and IE7 print is to use a global namespace. However, | |
// with IE8 the only way to make the dynamic shapes visible in screen and print mode | |
// seems to be to add the xmlns attribute and the behaviour style inline. | |
if (!doc.namespaces.hcv) { | |
doc.namespaces.add('hcv', 'urn:schemas-microsoft-com:vml'); | |
// setup default css | |
doc.createStyleSheet().cssText = | |
'hcv\\:fill, hcv\\:path, hcv\\:shape, hcv\\:stroke'+ | |
'{ behavior:url(#default#VML); display: inline-block; } '; | |
} | |
}, | |
/** | |
* Define a clipping rectangle. In VML it is accomplished by storing the values | |
* for setting the CSS style to all associated members. | |
* | |
* @param {Number} x | |
* @param {Number} y | |
* @param {Number} width | |
* @param {Number} height | |
*/ | |
clipRect: function (x, y, width, height) { | |
// create a dummy element | |
var clipRect = this.createElement(); | |
// mimic a rectangle with its style object for automatic updating in attr | |
return extend(clipRect, { | |
members: [], | |
left: x, | |
top: y, | |
width: width, | |
height: height, | |
getCSS: function(inverted) { | |
var rect = this,//clipRect.element.style, | |
top = rect.top, | |
left = rect.left, | |
right = left + rect.width, | |
bottom = top + rect.height, | |
ret = { | |
clip: 'rect('+ | |
mathRound(inverted ? left : top) + 'px,'+ | |
mathRound(inverted ? bottom : right) + 'px,'+ | |
mathRound(inverted ? right : bottom) + 'px,'+ | |
mathRound(inverted ? top : left) +'px)' | |
}; | |
// issue 74 workaround | |
if (!inverted && docMode8) { | |
extend(ret, { | |
width: right +PX, | |
height: bottom +PX | |
}); | |
} | |
return ret; | |
}, | |
// used in attr and animation to update the clipping of all members | |
updateClipping: function() { | |
each(clipRect.members, function(member) { | |
member.css(clipRect.getCSS(member.inverted)); | |
}); | |
} | |
}); | |
}, | |
/** | |
* Take a color and return it if it's a string, make it a gradient if it's a | |
* gradient configuration object, and apply opacity. | |
* | |
* @param {Object} color The color or config object | |
*/ | |
color: function(color, elem, prop) { | |
var colorObject, | |
regexRgba = /^rgba/, | |
markup; | |
if (color && color.linearGradient) { | |
var stopColor, | |
stopOpacity, | |
linearGradient = color.linearGradient, | |
angle, | |
color1, | |
opacity1, | |
color2, | |
opacity2; | |
each(color.stops, function(stop, i) { | |
if (regexRgba.test(stop[1])) { | |
colorObject = Color(stop[1]); | |
stopColor = colorObject.get('rgb'); | |
stopOpacity = colorObject.get('a'); | |
} else { | |
stopColor = stop[1]; | |
stopOpacity = 1; | |
} | |
if (!i) { // first | |
color1 = stopColor; | |
opacity1 = stopOpacity; | |
} else { | |
color2 = stopColor; | |
opacity2 = stopOpacity; | |
} | |
}); | |
// calculate the angle based on the linear vector | |
angle = 90 - math.atan( | |
(linearGradient[3] - linearGradient[1]) / // y vector | |
(linearGradient[2] - linearGradient[0]) // x vector | |
) * 180 / mathPI; | |
// when colors attribute is used, the meanings of opacity and o:opacity2 | |
// are reversed. | |
markup = ['<', prop, ' colors="0% ', color1, ',100% ', color2, '" angle="', angle, | |
'" opacity="', opacity2, '" o:opacity2="', opacity1, | |
'" type="gradient" focus="100%" />']; | |
createElement(this.prepVML(markup), null, null, elem); | |
// if the color is an rgba color, split it and add a fill node | |
// to hold the opacity component | |
} else if (regexRgba.test(color) && elem.tagName !== 'IMG') { | |
colorObject = Color(color); | |
markup = ['<', prop, ' opacity="', colorObject.get('a'), '"/>']; | |
createElement(this.prepVML(markup), null, null, elem); | |
return colorObject.get('rgb'); | |
} else { | |
return color; | |
} | |
}, | |
/** | |
* Take a VML string and prepare it for either IE8 or IE6/IE7. | |
* @param {Array} markup A string array of the VML markup to prepare | |
*/ | |
prepVML: function(markup) { | |
var vmlStyle = 'display:inline-block;behavior:url(#default#VML);', | |
isIE8 = this.isIE8; | |
markup = markup.join(''); | |
if (isIE8) { // add xmlns and style inline | |
markup = markup.replace('/>', ' xmlns="urn:schemas-microsoft-com:vml" />'); | |
if (markup.indexOf('style="') === -1) { | |
markup = markup.replace('/>', ' style="'+ vmlStyle +'" />'); | |
} else { | |
markup = markup.replace('style="', 'style="'+ vmlStyle); | |
} | |
} else { // add namespace | |
markup = markup.replace('<', '<hcv:'); | |
} | |
return markup; | |
}, | |
/** | |
* Create rotated and aligned text | |
* @param {String} str | |
* @param {Number} x | |
* @param {Number} y | |
*/ | |
text: function(str, x, y) { | |
var defaultChartStyle = defaultOptions.chart.style; | |
return this.createElement('span') | |
.attr({ | |
text: str, | |
x: mathRound(x), | |
y: mathRound(y) | |
}) | |
.css({ | |
whiteSpace: 'nowrap', | |
fontFamily: defaultChartStyle.fontFamily, | |
fontSize: defaultChartStyle.fontSize | |
}); | |
}, | |
/** | |
* Create and return a path element | |
* @param {Array} path | |
*/ | |
path: function (path) { | |
// create the shape | |
return this.createElement('shape').attr({ | |
// subpixel precision down to 0.1 (width and height = 10px) | |
coordsize: '100 100', | |
d: path | |
}); | |
}, | |
/** | |
* Create and return a circle element. In VML circles are implemented as | |
* shapes, which is faster than v:oval | |
* @param {Number} x | |
* @param {Number} y | |
* @param {Number} r | |
*/ | |
circle: function(x, y, r) { | |
return this.symbol('circle').attr({ x: x, y: y, r: r}); | |
}, | |
/** | |
* Create a group using an outer div and an inner v:group to allow rotating | |
* and flipping. A simple v:group would have problems with positioning | |
* child HTML elements and CSS clip. | |
* | |
* @param {String} name The name of the group | |
*/ | |
g: function(name) { | |
var wrapper, | |
attribs; | |
// set the class name | |
if (name) { | |
attribs = { 'className': PREFIX + name, 'class': PREFIX + name }; | |
} | |
// the div to hold HTML and clipping | |
wrapper = this.createElement(DIV).attr(attribs); | |
return wrapper; | |
}, | |
/** | |
* VML override to create a regular HTML image | |
* @param {String} src | |
* @param {Number} x | |
* @param {Number} y | |
* @param {Number} width | |
* @param {Number} height | |
*/ | |
image: function(src, x, y, width, height) { | |
var obj = this.createElement('img') | |
.attr({ src: src }); | |
if (arguments.length > 1) { | |
obj.css({ | |
left: x, | |
top: y, | |
width: width, | |
height: height | |
}); | |
} | |
return obj; | |
}, | |
/** | |
* VML uses a shape for rect to overcome bugs and rotation problems | |
*/ | |
rect: function(x, y, width, height, r, strokeWidth) { | |
if (isObject(x)) { | |
y = x.y; | |
width = x.width; | |
height = x.height; | |
strokeWidth = x.strokeWidth; | |
x = x.x; | |
} | |
var wrapper = this.symbol('rect'); | |
wrapper.r = r; | |
return wrapper.attr(wrapper.crisp(strokeWidth, x, y, mathMax(width, 0), mathMax(height, 0))); | |
}, | |
/** | |
* In the VML renderer, each child of an inverted div (group) is inverted | |
* @param {Object} element | |
* @param {Object} parentNode | |
*/ | |
invertChild: function(element, parentNode) { | |
var parentStyle = parentNode.style; | |
css(element, { | |
flip: 'x', | |
left: pInt(parentStyle.width) - 10, | |
top: pInt(parentStyle.height) - 10, | |
rotation: -90 | |
}); | |
}, | |
/** | |
* Symbol definitions that override the parent SVG renderer's symbols | |
* | |
*/ | |
symbols: { | |
// VML specific arc function | |
arc: function (x, y, w, h, options) { | |
var start = options.start, | |
end = options.end, | |
radius = w, | |
cosStart = mathCos(start), | |
sinStart = mathSin(start), | |
cosEnd = mathCos(end), | |
sinEnd = mathSin(end), | |
innerRadius = options.innerR, | |
circleCorrection = 0.07 / radius, | |
innerCorrection = (innerRadius && 0.1 / innerRadius) || 0; | |
if (end - start === 0) { // no angle, don't show it. | |
return ['x']; | |
//} else if (end - start == 2 * mathPI) { // full circle | |
} else if (2 * mathPI - end + start < circleCorrection) { // full circle | |
// empirical correction found by trying out the limits for different radii | |
cosEnd = - circleCorrection; | |
} else if (end - start < innerCorrection) { // issue #186, another mysterious VML arc problem | |
cosEnd = mathCos(start + innerCorrection); | |
} | |
return [ | |
'wa', // clockwise arc to | |
x - radius, // left | |
y - radius, // top | |
x + radius, // right | |
y + radius, // bottom | |
x + radius * cosStart, // start x | |
y + radius * sinStart, // start y | |
x + radius * cosEnd, // end x | |
y + radius * sinEnd, // end y | |
'at', // anti clockwise arc to | |
x - innerRadius, // left | |
y - innerRadius, // top | |
x + innerRadius, // right | |
y + innerRadius, // bottom | |
x + innerRadius * cosEnd, // start x | |
y + innerRadius * sinEnd, // start y | |
x + innerRadius * cosStart, // end x | |
y + innerRadius * sinStart, // end y | |
'x', // finish path | |
'e' // close | |
]; | |
}, | |
// Add circle symbol path. This performs significantly faster than v:oval. | |
circle: function (x, y, w, h) { | |
return [ | |
'wa', // clockwisearcto | |
x, // left | |
y, // top | |
x + w, // right | |
y + h, // bottom | |
x + w, // start x | |
y + h / 2, // start y | |
x + w, // end x | |
y + h / 2, // end y | |
//'x', // finish path | |
'e' // close | |
]; | |
}, | |
/** | |
* Add rectangle symbol path which eases rotation and omits arcsize problems | |
* compared to the built-in VML roundrect shape | |
* | |
* @param {Number} left Left position | |
* @param {Number} top Top position | |
* @param {Number} r Border radius | |
* @param {Object} options Width and height | |
*/ | |
rect: function (left, top, width, height, options) { | |
/*for (var n in r) { | |
logTime && console.log(n) | |
}*/ | |
if (!defined(options)) { | |
return []; | |
} | |
var right = left + width, | |
bottom = top + height, | |
r = mathMin(options.r || 0, width, height); | |
return [ | |
M, | |
left + r, top, | |
L, | |
right - r, top, | |
'wa', | |
right - 2 * r, top, | |
right, top + 2 * r, | |
right - r, top, | |
right, top + r, | |
L, | |
right, bottom - r, | |
'wa', | |
right - 2 * r, bottom - 2 * r, | |
right, bottom, | |
right, bottom - r, | |
right - r, bottom, | |
L, | |
left + r, bottom, | |
'wa', | |
left, bottom - 2 * r, | |
left + 2 * r, bottom, | |
left + r, bottom, | |
left, bottom - r, | |
L, | |
left, top + r, | |
'wa', | |
left, top, | |
left + 2 * r, top + 2 * r, | |
left, top + r, | |
left + r, top, | |
'x', | |
'e' | |
]; | |
} | |
} | |
}); | |
// general renderer | |
Renderer = VMLRenderer; | |
} | |
/* **************************************************************************** | |
* * | |
* END OF INTERNET EXPLORER <= 8 SPECIFIC CODE * | |
* * | |
*****************************************************************************/ | |
/** | |
* The chart class | |
* @param {Object} options | |
* @param {Function} callback Function to run when the chart has loaded | |
*/ | |
function Chart (options, callback) { | |
defaultXAxisOptions = merge(defaultXAxisOptions, defaultOptions.xAxis); | |
defaultYAxisOptions = merge(defaultYAxisOptions, defaultOptions.yAxis); | |
defaultOptions.xAxis = defaultOptions.yAxis = null; | |
// Handle regular options | |
var seriesOptions = options.series; // skip merging data points to increase performance | |
options.series = null; | |
options = merge(defaultOptions, options); // do the merge | |
options.series = seriesOptions; // set back the series data | |
// Define chart variables | |
var optionsChart = options.chart, | |
optionsMargin = optionsChart.margin, | |
margin = isObject(optionsMargin) ? | |
optionsMargin : | |
[optionsMargin, optionsMargin, optionsMargin, optionsMargin], | |
optionsMarginTop = pick(optionsChart.marginTop, margin[0]), | |
optionsMarginRight = pick(optionsChart.marginRight, margin[1]), | |
optionsMarginBottom = pick(optionsChart.marginBottom, margin[2]), | |
optionsMarginLeft = pick(optionsChart.marginLeft, margin[3]), | |
spacingTop = optionsChart.spacingTop, | |
spacingRight = optionsChart.spacingRight, | |
spacingBottom = optionsChart.spacingBottom, | |
spacingLeft = optionsChart.spacingLeft, | |
spacingBox, | |
chartTitleOptions, | |
chartSubtitleOptions, | |
plotTop, | |
marginRight, | |
marginBottom, | |
plotLeft, | |
axisOffset, | |
renderTo, | |
renderToClone, | |
container, | |
containerId, | |
containerWidth, | |
containerHeight, | |
chartWidth, | |
chartHeight, | |
oldChartWidth, | |
oldChartHeight, | |
chartBackground, | |
plotBackground, | |
plotBGImage, | |
plotBorder, | |
chart = this, | |
chartEvents = optionsChart.events, | |
runChartClick = chartEvents && !!chartEvents.click, | |
eventType, | |
isInsidePlot, // function | |
tooltip, | |
mouseIsDown, | |
loadingDiv, | |
loadingSpan, | |
loadingShown, | |
plotHeight, | |
plotWidth, | |
tracker, | |
trackerGroup, | |
placeTrackerGroup, | |
legend, | |
legendWidth, | |
legendHeight, | |
chartPosition,// = getPosition(container), | |
hasCartesianSeries = optionsChart.showAxes, | |
isResizing = 0, | |
axes = [], | |
maxTicks, // handle the greatest amount of ticks on grouped axes | |
series = [], | |
inverted, | |
renderer, | |
tooltipTick, | |
tooltipInterval, | |
hoverX, | |
drawChartBox, // function | |
getMargins, // function | |
resetMargins, // function | |
setChartSize, // function | |
resize, | |
zoom, // function | |
zoomOut; // function | |
/** | |
* Create a new axis object | |
* @param {Object} options | |
*/ | |
function Axis (options) { | |
// Define variables | |
var isXAxis = options.isX, | |
opposite = options.opposite, // needed in setOptions | |
horiz = inverted ? !isXAxis : isXAxis, | |
side = horiz ? | |
(opposite ? 0 /* top */ : 2 /* bottom */) : | |
(opposite ? 1 /* right*/ : 3 /* left */ ), | |
stacks = {}; | |
options = merge( | |
isXAxis ? defaultXAxisOptions : defaultYAxisOptions, | |
[defaultTopAxisOptions, defaultRightAxisOptions, | |
defaultBottomAxisOptions, defaultLeftAxisOptions][side], | |
options | |
); | |
var axis = this, | |
type = options.type, | |
isDatetimeAxis = type === 'datetime', | |
isLog = type === 'logarithmic', | |
offset = options.offset || 0, | |
xOrY = isXAxis ? 'x' : 'y', | |
axisLength, | |
transA, // translation factor | |
transB, // translation addend | |
oldTransA, // used for prerendering | |
axisLeft, | |
axisTop, | |
axisWidth, | |
axisHeight, | |
axisBottom, | |
axisRight, | |
translate, // fn | |
getPlotLinePath, // fn | |
axisGroup, | |
gridGroup, | |
axisLine, | |
dataMin, | |
dataMax, | |
associatedSeries, | |
range = options.range, | |
userMin, | |
userMax, | |
max = null, | |
min = null, | |
oldMin, | |
oldMax, | |
minPadding = options.minPadding, | |
maxPadding = options.maxPadding, | |
isLinked = defined(options.linkedTo), | |
ignoreMinPadding, // can be set to true by a column or bar series | |
ignoreMaxPadding, | |
usePercentage, | |
events = options.events, | |
eventType, | |
padAxis, | |
plotLinesAndBands = [], | |
tickInterval, | |
minorTickInterval, | |
magnitude, | |
tickPositions, // array containing predefined positions | |
ticks = {}, | |
minorTicks = {}, | |
alternateBands = {}, | |
tickAmount, | |
labelOffset, | |
labelHeight, | |
axisTitleMargin,// = options.title.margin, | |
dateTimeLabelFormat, | |
categories = options.categories, | |
labelFormatter = options.labels.formatter || // can be overwritten by dynamic format | |
function() { | |
var value = this.value, | |
ret; | |
if (dateTimeLabelFormat) { // datetime axis | |
ret = dateFormat(dateTimeLabelFormat, value); | |
} else if (tickInterval % 1000000 === 0) { // use M abbreviation | |
ret = (value / 1000000) +'M'; | |
} else if (tickInterval % 1000 === 0) { // use k abbreviation | |
ret = (value / 1000) +'k'; | |
} else if (!categories && value >= 1000) { // add thousands separators | |
ret = numberFormat(value, 0); | |
} else { // strings (categories) and small numbers | |
ret = value; | |
} | |
return ret; | |
}, | |
staggerLines = horiz && options.labels.staggerLines, | |
reversed = options.reversed, | |
tickmarkOffset = (categories && options.tickmarkPlacement === 'between') ? 0.5 : 0; | |
/** | |
* The Tick class | |
*/ | |
function Tick(pos, minor) { | |
var tick = this; | |
tick.pos = pos; | |
tick.minor = minor; | |
tick.isNew = true; | |
if (!minor) { | |
tick.addLabel(); | |
} | |
} | |
Tick.prototype = { | |
attachLabel: function() { | |
var label = this.label; | |
if (label && !this.added) { | |
label.deferUpdateTransform = true; | |
label.add(axisGroup); | |
} | |
}, | |
updateTransformLabel: function() { | |
var label = this.label; | |
if (label) { | |
label.deferUpdateTransform = false; | |
label.updateTransform(); | |
} | |
}, | |
computeBBox: function() { | |
var label = this.label, | |
bBox; | |
if (label) { | |
bBox = label.getBBox(); | |
label.elemWidth = bBox.width; | |
label.elemHeight = bBox.height; | |
} | |
}, | |
/** | |
* Write the tick label | |
*/ | |
addLabel: function() { | |
var pos = this.pos, | |
labelOptions = options.labels, | |
str, | |
withLabel = !((pos === min && !pick(options.showFirstLabel, 1)) || | |
(pos === max && !pick(options.showLastLabel, 0))), | |
width = (categories && horiz && categories.length && | |
!labelOptions.step && !labelOptions.staggerLines && | |
!labelOptions.rotation && | |
plotWidth / categories.length) || | |
(!horiz && plotWidth / 2), | |
css, | |
label = this.label; | |
// get the string | |
str = labelFormatter.call({ | |
isFirst: pos === tickPositions[0], | |
isLast: pos === tickPositions[tickPositions.length - 1], | |
dateTimeLabelFormat: dateTimeLabelFormat, | |
value: (categories && categories[pos] ? categories[pos] : pos) | |
}); | |
// prepare CSS | |
css = width && { width: mathMax(1, mathRound(width - 2 * (labelOptions.padding || 10))) +PX }; | |
css = extend(css, labelOptions.style); | |
// first call | |
if (!defined(label)) { | |
this.label = | |
defined(str) && withLabel && labelOptions.enabled ? | |
renderer.text( | |
str, | |
0, | |
0 | |
) | |
.attr({ | |
align: labelOptions.align, | |
rotation: labelOptions.rotation | |
}) | |
// without position absolute, IE export sometimes is wrong | |
.css(css): | |
null; | |
// update | |
} else if (label) { | |
label.attr({ text: str }) | |
.css(css); | |
} | |
}, | |
/** | |
* Get the offset height or width of the label | |
*/ | |
getLabelSize: function() { | |
var label = this.label; | |
return label ? | |
((this.labelBBox = label.getBBox()))[horiz ? 'height' : 'width'] : | |
0; | |
}, | |
/** | |
* Put everything in place | |
* | |
* @param index {Number} | |
* @param old {Boolean} Use old coordinates to prepare an animation into new position | |
*/ | |
render: function(index, old) { | |
var tick = this, | |
major = !tick.minor, | |
label = tick.label, | |
pos = tick.pos, | |
labelOptions = options.labels, | |
gridLine = tick.gridLine, | |
gridLineWidth = major ? options.gridLineWidth : options.minorGridLineWidth, | |
gridLineColor = major ? options.gridLineColor : options.minorGridLineColor, | |
dashStyle = major ? | |
options.gridLineDashStyle : | |
options.minorGridLineDashStyle, | |
gridLinePath, | |
mark = tick.mark, | |
markPath, | |
tickLength = major ? options.tickLength : options.minorTickLength, | |
tickWidth = major ? options.tickWidth : (options.minorTickWidth || 0), | |
tickColor = major ? options.tickColor : options.minorTickColor, | |
tickPosition = major ? options.tickPosition : options.minorTickPosition, | |
step = labelOptions.step, | |
cHeight = (old && oldChartHeight) || chartHeight, | |
attribs, | |
x, | |
y; | |
// get x and y position for ticks and labels | |
x = horiz ? | |
translate(pos + tickmarkOffset, null, null, old) + transB : | |
axisLeft + offset + (opposite ? ((old && oldChartWidth) || chartWidth) - axisRight - axisLeft : 0); | |
y = horiz ? | |
cHeight - axisBottom + offset - (opposite ? axisHeight : 0) : | |
cHeight - translate(pos + tickmarkOffset, null, null, old) - transB; | |
// create the grid line | |
if (gridLineWidth) { | |
gridLinePath = getPlotLinePath(pos + tickmarkOffset, gridLineWidth, old); | |
if (gridLine === UNDEFINED) { | |
attribs = { | |
stroke: gridLineColor, | |
'stroke-width': gridLineWidth | |
}; | |
if (dashStyle) { | |
attribs.dashstyle = dashStyle; | |
} | |
tick.gridLine = gridLine = | |
gridLineWidth ? | |
renderer.path(gridLinePath) | |
.attr(attribs).add(gridGroup) : | |
null; | |
} | |
if (gridLine && gridLinePath) { | |
gridLine.animate({ | |
d: gridLinePath | |
}); | |
} | |
} | |
// create the tick mark | |
if (tickWidth) { | |
// negate the length | |
if (tickPosition === 'inside') { | |
tickLength = -tickLength; | |
} | |
if (opposite) { | |
tickLength = -tickLength; | |
} | |
markPath = renderer.crispLine([ | |
M, | |
x, | |
y, | |
L, | |
x + (horiz ? 0 : -tickLength), | |
y + (horiz ? tickLength : 0) | |
], tickWidth); | |
if (mark) { // updating | |
mark.animate({ | |
d: markPath | |
}); | |
} else { // first time | |
tick.mark = renderer.path( | |
markPath | |
).attr({ | |
stroke: tickColor, | |
'stroke-width': tickWidth | |
}).add(axisGroup); | |
} | |
} | |
// the label is created on init - now move it into place | |
if (label && !isNaN(x)) { | |
x = x + labelOptions.x - (tickmarkOffset && horiz ? | |
tickmarkOffset * transA * (reversed ? -1 : 1) : 0); | |
y = y + labelOptions.y - (tickmarkOffset && !horiz ? | |
tickmarkOffset * transA * (reversed ? 1 : -1) : 0); | |
// vertically centered | |
if (!defined(labelOptions.y)) { | |
y += pInt(label.styles.lineHeight) * 0.9 - label.getBBox().height / 2; | |
} | |
// correct for staggered labels | |
if (staggerLines) { | |
y += (index / (step || 1) % staggerLines) * 16; | |
} | |
// apply step | |
if (step) { | |
// show those indices dividable by step | |
label[index % step ? 'hide' : 'show'](); | |
} | |
label[tick.isNew ? 'attr' : 'animate']({ | |
x: x, | |
y: y | |
}); | |
} | |
tick.isNew = false; | |
}, | |
/** | |
* Destructor for the tick prototype | |
*/ | |
destroy: function() { | |
var tick = this, | |
n; | |
for (n in tick) { | |
if (tick[n] && tick[n].destroy) { | |
tick[n].destroy(); | |
} | |
} | |
} | |
}; | |
/** | |
* The object wrapper for plot lines and plot bands | |
* @param {Object} options | |
*/ | |
function PlotLineOrBand(options) { | |
var plotLine = this; | |
if (options) { | |
plotLine.options = options; | |
plotLine.id = options.id; | |
} | |
//plotLine.render() | |
return plotLine; | |
} | |
PlotLineOrBand.prototype = { | |
/** | |
* Render the plot line or plot band. If it is already existing, | |
* move it. | |
*/ | |
render: function () { | |
var plotLine = this, | |
options = plotLine.options, | |
optionsLabel = options.label, | |
label = plotLine.label, | |
width = options.width, | |
to = options.to, | |
toPath, // bands only | |
from = options.from, | |
dashStyle = options.dashStyle, | |
svgElem = plotLine.svgElem, | |
path = [], | |
addEvent, | |
eventType, | |
xs, | |
ys, | |
x, | |
y, | |
color = options.color, | |
zIndex = options.zIndex, | |
events = options.events, | |
attribs; | |
// plot line | |
if (width) { | |
path = getPlotLinePath(options.value, width); | |
attribs = { | |
stroke: color, | |
'stroke-width': width | |
}; | |
if (dashStyle) { | |
attribs.dashstyle = dashStyle; | |
} | |
} | |
// plot band | |
else if (defined(from) && defined(to)) { | |
// keep within plot area | |
from = mathMax(from, min); | |
to = mathMin(to, max); | |
toPath = getPlotLinePath(to); | |
path = getPlotLinePath(from); | |
if (path && toPath) { | |
path.push( | |
toPath[4], | |
toPath[5], | |
toPath[1], | |
toPath[2] | |
); | |
} else { // outside the axis area | |
path = null; | |
} | |
attribs = { | |
fill: color | |
}; | |
} else { | |
return; | |
} | |
// zIndex | |
if (defined(zIndex)) { | |
attribs.zIndex = zIndex; | |
} | |
// common for lines and bands | |
if (svgElem) { | |
if (path) { | |
svgElem.animate({ | |
d: path | |
}, null, svgElem.onGetPath); | |
} else { | |
svgElem.hide(); | |
svgElem.onGetPath = function() { | |
svgElem.show(); | |
}; | |
} | |
} else if (path && path.length) { | |
plotLine.svgElem = svgElem = renderer.path(path) | |
.attr(attribs).add(); | |
// events | |
if (events) { | |
addEvent = function(eventType) { | |
svgElem.on(eventType, function(e) { | |
events[eventType].apply(plotLine, [e]); | |
}); | |
}; | |
for (eventType in events) { | |
addEvent(eventType); | |
} | |
} | |
} | |
// the plot band/line label | |
if (optionsLabel && defined(optionsLabel.text) && path && path.length && axisWidth > 0 && axisHeight > 0) { | |
// apply defaults | |
optionsLabel = merge({ | |
align: horiz && toPath && 'center', | |
x: horiz ? !toPath && 4 : 10, | |
verticalAlign : !horiz && toPath && 'middle', | |
y: horiz ? toPath ? 16 : 10 : toPath ? 6 : -4, | |
rotation: horiz && !toPath && 90 | |
}, optionsLabel); | |
// add the SVG element | |
if (!label) { | |
plotLine.label = label = renderer.text( | |
optionsLabel.text, | |
0, | |
0 | |
) | |
.attr({ | |
align: optionsLabel.textAlign || optionsLabel.align, | |
rotation: optionsLabel.rotation, | |
zIndex: zIndex | |
}) | |
.css(optionsLabel.style) | |
.add(); | |
} | |
// get the bounding box and align the label | |
xs = [path[1], path[4], pick(path[6], path[1])]; | |
ys = [path[2], path[5], pick(path[7], path[2])]; | |
x = mathMin.apply(math, xs); | |
y = mathMin.apply(math, ys); | |
label.align(optionsLabel, false, { | |
x: x, | |
y: y, | |
width: mathMax.apply(math, xs) - x, | |
height: mathMax.apply(math, ys) - y | |
}); | |
label.show(); | |
} else if (label) { // move out of sight | |
label.hide(); | |
} | |
// chainable | |
return plotLine; | |
}, | |
/** | |
* Remove the plot line or band | |
*/ | |
destroy: function() { | |
var obj = this, | |
n; | |
for (n in obj) { | |
if (obj[n] && obj[n].destroy) { | |
obj[n].destroy(); // destroy SVG wrappers | |
} | |
delete obj[n]; | |
} | |
// remove it from the lookup | |
erase(plotLinesAndBands, obj); | |
} | |
}; | |
/** | |
* The class for stack items | |
*/ | |
function StackItem(options, isNegative, x) { | |
var stackItem = this; | |
// Tells if the stack is negative | |
stackItem.isNegative = isNegative; | |
// Save the options to be able to style the label | |
stackItem.options = options; | |
// Save the x value to be able to position the label later | |
stackItem.x = x; | |
// The align options and text align varies on whether the stack is negative and | |
// if the chart is inverted or not. | |
// First test the user supplied value, then use the dynamic. | |
stackItem.alignOptions = { | |
align: options.align || (inverted ? (isNegative ? 'left' : 'right') : 'center'), | |
verticalAlign: options.verticalAlign || (inverted ? 'middle' : (isNegative ? 'bottom' : 'top')), | |
y: pick(options.y, inverted ? 4 : (isNegative ? 14 : -6)), | |
x: pick(options.x, inverted ? (isNegative ? -6 : 6) : 0) | |
}; | |
stackItem.textAlign = options.textAlign || (inverted ? (isNegative ? 'right' : 'left') : 'center'); | |
} | |
StackItem.prototype = { | |
/** | |
* Sets the total of this stack. Should be called when a serie is hidden or shown | |
* since that will affect the total of other stacks. | |
*/ | |
setTotal: function(total) { | |
this.total = total; | |
this.cum = total; | |
}, | |
/** | |
* Renders the stack total label and adds it to the stack label group. | |
*/ | |
render: function(group) { | |
var stackItem = this, // aliased this | |
str = stackItem.options.formatter.call(stackItem); // format the text in the label | |
// Change the text to reflect the new total and set visibility to hidden in case the serie is hidden | |
if (stackItem.label) { | |
stackItem.label.attr({text: str, visibility: HIDDEN}); | |
// Create new label | |
} else { | |
stackItem.label = | |
chart.renderer.text(str, 0, 0) // dummy positions, actual position updated with setOffset method in columnseries | |
.css(stackItem.options.style) // apply style | |
.attr({align: stackItem.textAlign, // fix the text-anchor | |
rotation: stackItem.options.rotation, // rotation | |
visibility: HIDDEN }) // hidden until setOffset is called | |
.add(group); // add to the labels-group | |
} | |
}, | |
/** | |
* Sets the offset that the stack has from the x value and repositions the label. | |
*/ | |
setOffset: function(xOffset, xWidth) { | |
var stackItem = this, // aliased this | |
neg = stackItem.isNegative, // special treatment is needed for negative stacks | |
y = axis.translate(stackItem.total), // stack value translated mapped to chart coordinates | |
yZero = axis.translate(0), // stack origin | |
h = mathAbs(y - yZero), // stack height | |
x = chart.xAxis[0].translate(stackItem.x) + xOffset, // stack x position | |
plotHeight = chart.plotHeight, | |
stackBox = { // this is the box for the complete stack | |
x: inverted ? (neg ? y : y - h) : x, | |
y: inverted ? plotHeight - x - xWidth : (neg ? (plotHeight - y - h) : plotHeight - y), | |
width: inverted ? h : xWidth, | |
height: inverted ? xWidth : h | |
}; | |
if (stackItem.label) { | |
stackItem.label | |
.align(stackItem.alignOptions, null, stackBox) // align the label to the box | |
.attr({visibility: VISIBLE}); // set visibility | |
} | |
} | |
}; | |
/** | |
* Get the minimum and maximum for the series of each axis | |
*/ | |
function getSeriesExtremes() { | |
var posStack = [], | |
negStack = [], | |
i, | |
run; | |
// reset dataMin and dataMax in case we're redrawing | |
dataMin = dataMax = null; | |
// get an overview of what series are associated with this axis | |
associatedSeries = []; | |
each(series, function(serie) { | |
var seriesOptions = serie.options; | |
run = false; | |
// match this axis against the series' given or implicated axis | |
each(['xAxis', 'yAxis'], function(strAxis) { | |
if ( | |
// the series is a cartesian type, and... | |
serie.isCartesian && | |
// we're in the right x or y dimension, and... | |
((strAxis === 'xAxis' && isXAxis) || (strAxis === 'yAxis' && !isXAxis)) && ( | |
// the axis number is given in the options and matches this axis index, or | |
(seriesOptions[strAxis] === options.index) || | |
// the axis index is not given | |
(seriesOptions[strAxis] === UNDEFINED && options.index === 0) | |
) | |
) { | |
serie[strAxis] = axis; | |
associatedSeries.push(serie); | |
if (serie.options.padXAxis) { | |
padAxis = true; | |
} | |
// the series is visible, run the min/max detection | |
run = true; | |
} | |
}); | |
// ignore hidden series if opted | |
if (!serie.visible && optionsChart.ignoreHiddenSeries) { | |
run = false; | |
} | |
if (run) { | |
var stacking, | |
posPointStack, | |
negPointStack, | |
stackKey, | |
negKey; | |
if (!isXAxis) { | |
stacking = seriesOptions.stacking; | |
usePercentage = stacking === 'percent'; | |
// create a stack for this particular series type | |
if (stacking) { | |
stackKey = serie.type + pick(seriesOptions.stack, ''); | |
negKey = '-'+ stackKey; | |
serie.stackKey = stackKey; // used in translate | |
posPointStack = posStack[stackKey] || []; // contains the total values for each x | |
posStack[stackKey] = posPointStack; | |
negPointStack = negStack[negKey] || []; | |
negStack[negKey] = negPointStack; | |
} | |
if (usePercentage) { | |
dataMin = 0; | |
dataMax = 99; | |
} | |
} | |
if (serie.isCartesian) { // line, column etc. need axes, pie doesn't | |
var xData, | |
yData, | |
x, | |
y, | |
threshold = seriesOptions.threshold, | |
yDataLength, | |
activeYData = [], | |
activeCounter = 0; | |
if (isXAxis) { | |
xData = serie.xData; | |
dataMin = mathMin(pick(dataMin, xData[0]), mathMin.apply(math, xData)); | |
dataMax = mathMax(pick(dataMax, xData[0]), mathMax.apply(math, xData)); | |
} else { | |
var isNegative, | |
pointStack, | |
key, | |
j; | |
// get clipped and grouped data | |
serie.processData(); | |
var start = + new Date(); | |
xData = serie.processedXData; | |
yData = serie.processedYData; | |
yDataLength = yData.length; | |
// loop over the non-null y values and read them into a local array | |
for (i = 0; i < yDataLength; i++) { | |
y = yData[i]; | |
if (y !== null && y !== UNDEFINED) { | |
// read stacked values into a stack based on the x value, | |
// the sign of y and the stack key | |
if (stacking) { | |
x = xData[i]; | |
isNegative = y < 0; | |
pointStack = isNegative ? negPointStack : posPointStack; | |
key = isNegative ? negKey : stackKey; | |
y = pointStack[x] = | |
defined(pointStack[x]) ? | |
pointStack[x] + y : y; | |
// add the series | |
if (!stacks[key]) { | |
stacks[key] = {}; | |
} | |
// If the StackItem is there, just update the values, | |
// if not, create one first | |
if (!stacks[key][x]) { | |
stacks[key][x] = new StackItem(options.stackLabels, isNegative, x); | |
} | |
stacks[key][x].setTotal(y); | |
} | |
j = y.length; | |
if (j) { // array, like ohlc data | |
while (j--) { | |
activeYData[activeCounter++] = y[j]; | |
} | |
} else { | |
activeYData[activeCounter++] = y; | |
} | |
} | |
} | |
if (!usePercentage) { // percentage stacks are always 0-100 | |
dataMin = mathMin(pick(dataMin, activeYData[0]), mathMin.apply(math, activeYData)); | |
dataMax = mathMax(pick(dataMax, activeYData[0]), mathMax.apply(math, activeYData)); | |
} | |
// todo: instead of checking useThreshold, just set the threshold to 0 | |
// in area and column-like chart types | |
if (serie.useThreshold && threshold !== null) { | |
if (dataMin >= threshold) { | |
dataMin = threshold; | |
ignoreMinPadding = true; | |
} else if (dataMax < threshold) { | |
dataMax = threshold; | |
ignoreMaxPadding = true; | |
} | |
} | |
} | |
} | |
} | |
}); | |
} | |
/** | |
* Translate from axis value to pixel position on the chart, or back | |
* | |
*/ | |
translate = function(val, backwards, cvsCoord, old, handleLog) { | |
var sign = 1, | |
cvsOffset = 0, | |
localA = old ? oldTransA : transA, | |
localMin = old ? oldMin : min, | |
returnValue; | |
if (!localA) { | |
localA = transA; | |
} | |
if (cvsCoord) { | |
sign *= -1; // canvas coordinates inverts the value | |
cvsOffset = axisLength; | |
} | |
if (reversed) { // reversed axis | |
sign *= -1; | |
cvsOffset -= sign * axisLength; | |
} | |
if (backwards) { // reverse translation | |
if (reversed) { | |
val = axisLength - val; | |
} | |
returnValue = val / localA + localMin; // from chart pixel to value | |
if (isLog && handleLog) { | |
returnValue = lin2log(returnValue); | |
} | |
} else { // normal translation, from axis value to pixel, relative to plot | |
if (isLog && handleLog) { | |
val = log2lin(val); | |
} | |
returnValue = sign * (val - localMin) * localA + cvsOffset; | |
} | |
return returnValue; | |
}; | |
/** | |
* Create the path for a plot line that goes from the given value on | |
* this axis, across the plot to the opposite side | |
* @param {Number} value | |
* @param {Number} lineWidth Used for calculation crisp line | |
* @param {Number] old Use old coordinates (for resizing and rescaling) | |
*/ | |
getPlotLinePath = function(value, lineWidth, old) { | |
var x1, | |
y1, | |
x2, | |
y2, | |
translatedValue = translate(value, null, null, old), | |
cHeight = (old && oldChartHeight) || chartHeight, | |
cWidth = (old && oldChartWidth) || chartWidth, | |
skip; | |
x1 = x2 = mathRound(translatedValue + transB); | |
y1 = y2 = mathRound(cHeight - translatedValue - transB); | |
if (isNaN(translatedValue)) { // no min or max | |
skip = true; | |
} else if (horiz) { | |
y1 = axisTop; | |
y2 = cHeight - axisBottom; | |
if (x1 < axisLeft || x1 > axisLeft + axisWidth) { | |
skip = true; | |
} | |
} else { | |
x1 = axisLeft; | |
x2 = cWidth - axisRight; | |
if (y1 < axisTop || y1 > axisTop + axisHeight) { | |
skip = true; | |
} | |
} | |
return skip ? | |
null : | |
renderer.crispLine([M, x1, y1, L, x2, y2], lineWidth || 0); | |
}; | |
/** | |
* Fix JS round off float errors | |
* @param {Number} num | |
*/ | |
function correctFloat(num) { | |
var invMag, ret = num; | |
magnitude = pick(magnitude, math.pow(10, mathFloor(math.log(tickInterval) / math.LN10))); | |
if (magnitude < 1) { | |
invMag = mathRound(1 / magnitude) * 10; | |
ret = mathRound(num * invMag) / invMag; | |
} | |
return ret; | |
} | |
/** | |
* Set the tick positions of a linear axis to round values like whole tens or every five. | |
*/ | |
function setLinearTickPositions() { | |
var i, | |
roundedMin = correctFloat(mathFloor(min / tickInterval) * tickInterval), | |
roundedMax = correctFloat(mathCeil(max / tickInterval) * tickInterval); | |
tickPositions = []; | |
// populate the intermediate values | |
i = correctFloat(roundedMin); | |
while (i <= roundedMax) { | |
tickPositions.push(i); | |
i = correctFloat(i + tickInterval); | |
} | |
} | |
/** | |
* Set the tick positions to round values and optionally extend the extremes | |
* to the nearest tick | |
*/ | |
function setTickPositions(secondPass) { | |
var length, | |
catPad, | |
linkedParent, | |
linkedParentExtremes, | |
tickIntervalOption = options.tickInterval, | |
tickPixelIntervalOption = options.tickPixelInterval, | |
maxZoom = options.maxZoom || ( | |
isXAxis && !defined(options.min) && !defined(options.max) ? | |
mathMin(chart.smallestInterval * 5, dataMax - dataMin) : | |
null | |
), | |
zoomOffset; | |
axisLength = horiz ? axisWidth : axisHeight; | |
// linked axis gets the extremes from the parent axis | |
if (isLinked) { | |
linkedParent = chart[isXAxis ? 'xAxis' : 'yAxis'][options.linkedTo]; | |
linkedParentExtremes = linkedParent.getExtremes(); | |
min = pick(linkedParentExtremes.min, linkedParentExtremes.dataMin); | |
max = pick(linkedParentExtremes.max, linkedParentExtremes.dataMax); | |
} | |
// initial min and max from the extreme data values | |
else { | |
min = pick(userMin, options.min, dataMin); | |
max = pick(userMax, options.max, dataMax); | |
} | |
if (isLog) { | |
min = log2lin(min); | |
max = log2lin(max); | |
} | |
// handle zoomed range | |
if (range) { | |
userMin = min = max - range; | |
userMax = max; | |
if (secondPass) { | |
range = null; // don't use it when running setExtremes | |
} | |
} | |
// maxZoom exceeded, just center the selection | |
if (max - min < maxZoom) { | |
zoomOffset = (maxZoom - max + min) / 2; | |
// if min and max options have been set, don't go beyond it | |
min = mathMax(min - zoomOffset, pick(options.min, min - zoomOffset), dataMin); | |
max = mathMin(min + maxZoom, pick(options.max, min + maxZoom), dataMax); | |
} | |
// pad the values to get clear of the chart's edges | |
if (!categories && !usePercentage && !isLinked && defined(min) && defined(max)) { | |
length = (max - min) || 1; | |
if (!defined(options.min) && !defined(userMin) && minPadding && (dataMin < 0 || !ignoreMinPadding)) { | |
min -= length * minPadding; | |
} | |
if (!defined(options.max) && !defined(userMax) && maxPadding && (dataMax > 0 || !ignoreMaxPadding)) { | |
max += length * maxPadding; | |
} | |
} | |
// get tickInterval | |
if (min === max || min === undefined || max === undefined) { | |
tickInterval = 1; | |
} else if (isLinked && !tickIntervalOption && | |
tickPixelIntervalOption === linkedParent.options.tickPixelInterval) { | |
tickInterval = linkedParent.tickInterval; | |
} else { | |
tickInterval = pick( | |
tickIntervalOption, | |
categories ? // for categoried axis, 1 is default, for linear axis use tickPix | |
1 : | |
(max - min) * tickPixelIntervalOption / (axisLength || 1) | |
); | |
} | |
if (!isDatetimeAxis) { // linear | |
magnitude = math.pow(10, mathFloor(math.log(tickInterval) / math.LN10)); | |
if (!defined(options.tickInterval)) { | |
tickInterval = normalizeTickInterval(tickInterval, null, magnitude, options); | |
} | |
} | |
axis.tickInterval = tickInterval; // record for linked axis | |
// get minorTickInterval | |
minorTickInterval = options.minorTickInterval === 'auto' && tickInterval ? | |
tickInterval / 5 : options.minorTickInterval; | |
// find the tick positions | |
if (isDatetimeAxis) { | |
tickPositions = getTimeTicks(tickInterval, min, max, options.startOfWeek); | |
dateTimeLabelFormat = options.dateTimeLabelFormats[tickPositions.unit[0]]; | |
} else { | |
setLinearTickPositions(); | |
} | |
if (!isLinked) { | |
// pad categorised axis to nearest half unit | |
if (categories || padAxis) { | |
catPad = (categories ? 1 : tickInterval) * 0.5; | |
if (categories || !defined(pick(options.min, userMin))) { | |
min -= catPad; | |
} | |
if (categories || !defined(pick(options.max, userMax))) { | |
max += catPad; | |
} | |
} | |
// reset min/max or remove extremes based on start/end on tick | |
var roundedMin = tickPositions[0], | |
roundedMax = tickPositions[tickPositions.length - 1]; | |
if (options.startOnTick) { | |
min = roundedMin; | |
} else if (min > roundedMin) { | |
tickPositions.shift(); | |
} | |
if (options.endOnTick) { | |
max = roundedMax; | |
} else if (max < roundedMax) { | |
tickPositions.pop(); | |
} | |
// record the greatest number of ticks for multi axis | |
if (!maxTicks) { // first call, or maxTicks have been reset after a zoom operation | |
maxTicks = { | |
x: 0, | |
y: 0 | |
}; | |
} | |
if (!isDatetimeAxis && tickPositions.length > maxTicks[xOrY] && options.alignTicks !== false) { | |
maxTicks[xOrY] = tickPositions.length; | |
} | |
} | |
} | |
/** | |
* When using multiple axes, adjust the number of ticks to match the highest | |
* number of ticks in that group | |
*/ | |
function adjustTickAmount() { | |
if (maxTicks && !isDatetimeAxis && !categories && !isLinked && options.alignTicks !== false) { // only apply to linear scale | |
var oldTickAmount = tickAmount, | |
calculatedTickAmount = tickPositions.length; | |
// set the axis-level tickAmount to use below | |
tickAmount = maxTicks[xOrY]; | |
if (calculatedTickAmount < tickAmount) { | |
while (tickPositions.length < tickAmount) { | |
tickPositions.push( correctFloat( | |
tickPositions[tickPositions.length - 1] + tickInterval | |
)); | |
} | |
transA *= (calculatedTickAmount - 1) / (tickAmount - 1); | |
max = tickPositions[tickPositions.length - 1]; | |
} | |
if (defined(oldTickAmount) && tickAmount !== oldTickAmount) { | |
axis.isDirty = true; | |
} | |
} | |
} | |
/** | |
* Set the scale based on data min and max, user set min and max or options | |
* | |
*/ | |
function setScale() { | |
var type, | |
i; | |
oldMin = min; | |
oldMax = max; | |
// get data extremes if needed | |
getSeriesExtremes(); | |
// get fixed positions based on tickInterval | |
setTickPositions(); | |
// the translation factor used in translate function | |
oldTransA = transA; | |
transA = axisLength / ((max - min) || 1); | |
// reset stacks | |
if (!isXAxis) { | |
for (type in stacks) { | |
for (i in stacks[type]) { | |
stacks[type][i].cum = stacks[type][i].total; | |
} | |
} | |
} | |
// mark as dirty if it is not already set to dirty and extremes have changed | |
if (!axis.isDirty) { | |
axis.isDirty = (min !== oldMin || max !== oldMax); | |
} | |
} | |
/** | |
* Set the extremes and optionally redraw | |
* @param {Number} newMin | |
* @param {Number} newMax | |
* @param {Boolean} redraw | |
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation | |
* configuration | |
* | |
*/ | |
function setExtremes(newMin, newMax, redraw, animation) { | |
var start = + new Date(); | |
redraw = pick(redraw, true); // defaults to true | |
fireEvent(axis, 'setExtremes', { // fire an event to enable syncing of multiple charts | |
min: newMin, | |
max: newMax | |
}, function() { // the default event handler | |
userMin = newMin; | |
userMax = newMax; | |
// redraw | |
if (redraw) { | |
chart.redraw(animation); | |
} | |
}); | |
} | |
/** | |
* Update the axis metrics | |
*/ | |
function setAxisSize() { | |
var offsetLeft = options.offsetLeft || 0, | |
offsetRight = options.offsetRight || 0; | |
// basic values | |
axisLeft = pick(options.left, plotLeft + offsetLeft); | |
axisTop = pick(options.top, plotTop); | |
axisWidth = pick(options.width, plotWidth - offsetLeft + offsetRight); | |
axisHeight = pick(options.height, plotHeight); | |
axisBottom = chartHeight - axisHeight - axisTop; | |
axisRight = chartWidth - axisWidth - axisLeft; | |
// expose to use in Series obejct | |
axis.left = axisLeft; | |
axis.top = axisTop; | |
// secondary values | |
axisLength = horiz ? axisWidth : axisHeight; | |
transA = axisLength / ((max - min) || 1); | |
transB = horiz ? axisLeft : axisBottom; // translation addend | |
} | |
/** | |
* Get the actual axis extremes | |
*/ | |
function getExtremes() { | |
return { | |
min: min, | |
max: max, | |
dataMin: dataMin, | |
dataMax: dataMax, | |
userMin: userMin, | |
userMax: userMax | |
}; | |
} | |
/** | |
* Get the zero plane either based on zero or on the min or max value. | |
* Used in bar and area plots | |
*/ | |
function getThreshold(threshold) { | |
if (min > threshold || threshold === null) { | |
threshold = min; | |
} else if (max < threshold) { | |
threshold = max; | |
} | |
return translate(threshold, 0, 1); | |
} | |
/** | |
* Add a plot band or plot line after render time | |
* | |
* @param options {Object} The plotBand or plotLine configuration object | |
*/ | |
function addPlotBandOrLine(options) { | |
var obj = new PlotLineOrBand(options).render(); | |
plotLinesAndBands.push(obj); | |
return obj; | |
} | |
/** | |
* Render the tick labels to a preliminary position to get their sizes | |
*/ | |
function getOffset() { | |
var hasData = associatedSeries.length && defined(min) && defined(max), | |
titleOffset = 0, | |
titleMargin = 0, | |
axisTitleOptions = options.title, | |
labelOptions = options.labels, | |
directionFactor = [-1, 1, 1, -1][side], | |
n; | |
if (!axisGroup) { | |
axisGroup = renderer.g('axis') | |
.attr({ zIndex: 7 }) | |
.add(); | |
gridGroup = renderer.g('grid') | |
.attr({ zIndex: 1 }) | |
.add(); | |
} | |
labelOffset = 0; // reset | |
if (hasData || isLinked) { | |
each(tickPositions, function(pos) { | |
if (!ticks[pos]) { | |
ticks[pos] = new Tick(pos); | |
} else { | |
ticks[pos].addLabel(); // update labels depending on tick interval | |
} | |
}); | |
each(tickPositions, function(pos) { | |
ticks[pos].attachLabel(); | |
}); | |
each(tickPositions, function(pos) { | |
ticks[pos].computeBBox(); | |
}); | |
each(tickPositions, function(pos) { | |
ticks[pos].updateTransformLabel(); | |
}); | |
each(tickPositions,function(pos) { | |
// left side must be align: right and right side must have align: left for labels | |
if (side === 0 || side === 2 || { 1: 'left', 3: 'right' }[side] === labelOptions.align) { | |
// get the highest offset | |
labelOffset = mathMax( | |
ticks[pos].getLabelSize(), | |
labelOffset | |
); | |
} | |
}); | |
if (staggerLines) { | |
labelOffset += (staggerLines - 1) * 16; | |
} | |
} else { // doesn't have data | |
for (n in ticks) { | |
ticks[n].destroy(); | |
delete ticks[n]; | |
} | |
} | |
if (axisTitleOptions && axisTitleOptions.text) { | |
if (!axis.axisTitle) { | |
axis.axisTitle = renderer.text( | |
axisTitleOptions.text, | |
0, | |
0 | |
) | |
.attr({ | |
zIndex: 7, | |
rotation: axisTitleOptions.rotation || 0, | |
align: | |
axisTitleOptions.textAlign || | |
{ low: 'left', middle: 'center', high: 'right' }[axisTitleOptions.align] | |
}) | |
.css(axisTitleOptions.style) | |
.add(); | |
} | |
titleOffset = axis.axisTitle.getBBox()[horiz ? 'height' : 'width']; | |
titleMargin = pick(axisTitleOptions.margin, horiz ? 5 : 10); | |
} | |
// handle automatic or user set offset | |
offset = directionFactor * pick(options.offset, axisOffset[side]); | |
axisTitleMargin = | |
labelOffset + | |
(side !== 2 && labelOffset && directionFactor * options.labels[horiz ? 'y' : 'x']) + | |
titleMargin; | |
axisOffset[side] = mathMax( | |
axisOffset[side], | |
axisTitleMargin + titleOffset + directionFactor * offset | |
); | |
} | |
/** | |
* Render the axis | |
*/ | |
function render() { | |
var axisTitleOptions = options.title, | |
stackLabelOptions = options.stackLabels, | |
alternateGridColor = options.alternateGridColor, | |
lineWidth = options.lineWidth, | |
lineLeft, | |
lineTop, | |
linePath, | |
hasRendered = chart.hasRendered, | |
slideInTicks = hasRendered && defined(oldMin) && !isNaN(oldMin), | |
hasData = associatedSeries.length && defined(min) && defined(max); | |
// If the series has data draw the ticks. Else only the line and title | |
if (hasData || isLinked) { | |
// minor ticks | |
if (minorTickInterval && !categories) { | |
var pos = min + (tickPositions[0] - min) % minorTickInterval; | |
for (pos; pos <= max; pos += minorTickInterval) { | |
if (!minorTicks[pos]) { | |
minorTicks[pos] = new Tick(pos, true); | |
} | |
// render new ticks in old position | |
if (slideInTicks && minorTicks[pos].isNew) { | |
minorTicks[pos].render(null, true); | |
} | |
minorTicks[pos].isActive = true; | |
minorTicks[pos].render(); | |
} | |
} | |
// major ticks | |
each(tickPositions, function(pos, i) { | |
// linked axes need an extra check to find out if | |
if (!isLinked || (pos >= min && pos <= max)) { | |
// render new ticks in old position | |
if (slideInTicks && ticks[pos].isNew) { | |
ticks[pos].render(i, true); | |
} | |
ticks[pos].isActive = true; | |
ticks[pos].render(i); | |
} | |
}); | |
// alternate grid color | |
if (alternateGridColor) { | |
each(tickPositions, function(pos, i) { | |
if (i % 2 === 0 && pos < max) { | |
if (!alternateBands[pos]) { | |
alternateBands[pos] = new PlotLineOrBand(); | |
} | |
alternateBands[pos].options = { | |
from: pos, | |
to: tickPositions[i + 1] !== UNDEFINED ? tickPositions[i + 1] : max, | |
color: alternateGridColor | |
}; | |
alternateBands[pos].render(); | |
alternateBands[pos].isActive = true; | |
} | |
}); | |
} | |
// custom plot lines and bands | |
if (!hasRendered) { // only first time | |
each((options.plotLines || []).concat(options.plotBands || []), function(plotLineOptions) { | |
plotLinesAndBands.push(new PlotLineOrBand(plotLineOptions).render()); | |
}); | |
} | |
} // end if hasData | |
// remove inactive ticks | |
each([ticks, minorTicks, alternateBands], function(coll) { | |
var pos; | |
for (pos in coll) { | |
if (!coll[pos].isActive) { | |
coll[pos].destroy(); | |
delete coll[pos]; | |
} else { | |
coll[pos].isActive = false; // reset | |
} | |
} | |
}); | |
// Static items. As the axis group is cleared on subsequent calls | |
// to render, these items are added outside the group. | |
// axis line | |
if (lineWidth) { | |
lineLeft = axisLeft + (opposite ? axisWidth : 0) + offset; | |
lineTop = chartHeight - axisBottom - (opposite ? axisHeight : 0) + offset; | |
linePath = renderer.crispLine([ | |
M, | |
horiz ? | |
axisLeft: | |
lineLeft, | |
horiz ? | |
lineTop: | |
axisTop, | |
L, | |
horiz ? | |
chartWidth - axisRight : | |
lineLeft, | |
horiz ? | |
lineTop: | |
chartHeight - axisBottom | |
], lineWidth); | |
if (!axisLine) { | |
axisLine = renderer.path(linePath) | |
.attr({ | |
stroke: options.lineColor, | |
'stroke-width': lineWidth, | |
zIndex: 7 | |
}) | |
.add(); | |
} else { | |
axisLine.animate({ d: linePath }); | |
} | |
} | |
if (axis.axisTitle) { | |
// compute anchor points for each of the title align options | |
var margin = horiz ? axisLeft : axisTop, | |
fontSize = pInt(axisTitleOptions.style.fontSize || 12), | |
// the position in the length direction of the axis | |
alongAxis = { | |
low: margin + (horiz ? 0 : axisLength), | |
middle: margin + axisLength / 2, | |
high: margin + (horiz ? axisLength : 0) | |
}[axisTitleOptions.align], | |
// the position in the perpendicular direction of the axis | |
offAxis = (horiz ? axisTop + axisHeight : axisLeft) + | |
(horiz ? 1 : -1) * // horizontal axis reverses the margin | |
(opposite ? -1 : 1) * // so does opposite axes | |
axisTitleMargin + | |
(side === 2 ? fontSize : 0); | |
axis.axisTitle[hasRendered ? 'animate' : 'attr']({ | |
x: horiz ? | |
alongAxis: | |
offAxis + (opposite ? axisWidth : 0) + offset + | |
(axisTitleOptions.x || 0), // x | |
y: horiz ? | |
offAxis - (opposite ? axisHeight : 0) + offset: | |
alongAxis + (axisTitleOptions.y || 0) // y | |
}); | |
} | |
// Stacked totals: | |
if (stackLabelOptions && stackLabelOptions.enabled) { | |
var stackKey, oneStack, stackCategory, | |
stackTotalGroup = axis.stackTotalGroup; | |
// Create a separate group for the stack total labels | |
if (!stackTotalGroup) { | |
axis.stackTotalGroup = stackTotalGroup = | |
renderer.g('stack-labels') | |
.attr({ | |
visibility: VISIBLE, | |
zIndex: 6 | |
}) | |
.translate(plotLeft, plotTop) | |
.add(); | |
} | |
// Render each stack total | |
for (stackKey in stacks) { | |
oneStack = stacks[stackKey]; | |
for (stackCategory in oneStack) { | |
oneStack[stackCategory].render(stackTotalGroup); | |
} | |
} | |
} | |
// End stacked totals | |
axis.isDirty = false; | |
} | |
/** | |
* Remove a plot band or plot line from the chart by id | |
* @param {Object} id | |
*/ | |
function removePlotBandOrLine(id) { | |
var i = plotLinesAndBands.length; | |
while (i--) { | |
if (plotLinesAndBands[i].id === id) { | |
plotLinesAndBands[i].destroy(); | |
} | |
} | |
} | |
/** | |
* Redraw the axis to reflect changes in the data or axis extremes | |
*/ | |
function redraw() { | |
// hide tooltip and hover states | |
if (tracker.resetTracker) { | |
tracker.resetTracker(); | |
} | |
// render the axis | |
render(); | |
// move plot lines and bands | |
each(plotLinesAndBands, function(plotLine) { | |
plotLine.render(); | |
}); | |
// mark associated series as dirty and ready for redraw | |
each(associatedSeries, function(series) { | |
series.isDirty = true; | |
}); | |
} | |
/** | |
* Set new axis categories and optionally redraw | |
* @param {Array} newCategories | |
* @param {Boolean} doRedraw | |
*/ | |
function setCategories(newCategories, doRedraw) { | |
// set the categories | |
axis.categories = categories = newCategories; | |
// force reindexing tooltips | |
each(associatedSeries, function(series) { | |
series.translate(); | |
series.setTooltipPoints(true); | |
}); | |
// optionally redraw | |
axis.isDirty = true; | |
if (pick(doRedraw, true)) { | |
chart.redraw(); | |
} | |
} | |
// Run Axis | |
// Register | |
axes.push(axis); | |
chart[isXAxis ? 'xAxis' : 'yAxis'].push(axis); | |
// inverted charts have reversed xAxes as default | |
if (inverted && isXAxis && reversed === UNDEFINED) { | |
reversed = true; | |
} | |
// expose some variables | |
extend(axis, { | |
addPlotBand: addPlotBandOrLine, | |
addPlotLine: addPlotBandOrLine, | |
adjustTickAmount: adjustTickAmount, | |
categories: categories, | |
getExtremes: getExtremes, | |
getPlotLinePath: getPlotLinePath, | |
getThreshold: getThreshold, | |
isXAxis: isXAxis, | |
options: options, | |
plotLinesAndBands: plotLinesAndBands, | |
getOffset: getOffset, | |
render: render, | |
setAxisSize: setAxisSize, | |
setCategories: setCategories, | |
setExtremes: setExtremes, | |
setScale: setScale, | |
setTickPositions: setTickPositions, | |
translate: translate, | |
redraw: redraw, | |
removePlotBand: removePlotBandOrLine, | |
removePlotLine: removePlotBandOrLine, | |
reversed: reversed, | |
stacks: stacks | |
}); | |
// register event listeners | |
for (eventType in events) { | |
addEvent(axis, eventType, events[eventType]); | |
} | |
// set min and max | |
setScale(); | |
} // end Axis | |
/** | |
* The toolbar object | |
* | |
* @param {Object} chart | |
*/ | |
function Toolbar(chart) { | |
var buttons = {}; | |
function add(id, text, title, fn) { | |
if (!buttons[id]) { | |
var button = renderer.text( | |
text, | |
0, | |
0 | |
) | |
.css(options.toolbar.itemStyle) | |
.align({ | |
align: 'right', | |
x: - marginRight - 20, | |
y: plotTop + 30 | |
}) | |
.on('click', fn) | |
.attr({ | |
align: 'right', | |
zIndex: 20 | |
}) | |
.add(); | |
buttons[id] = button; | |
} | |
} | |
function remove(id) { | |
discardElement(buttons[id].element); | |
buttons[id] = null; | |
} | |
// public | |
return { | |
add: add, | |
remove: remove | |
}; | |
} | |
/** | |
* The tooltip object | |
* @param {Object} options Tooltip options | |
*/ | |
function Tooltip (options) { | |
var currentSeries, | |
borderWidth = options.borderWidth, | |
crosshairsOptions = options.crosshairs, | |
crosshairs = [], | |
style = options.style, | |
shared = options.shared, | |
padding = pInt(style.padding), | |
boxOffLeft = borderWidth + padding, // off left/top position as IE can't | |
//properly handle negative positioned shapes | |
tooltipIsHidden = true, | |
boxWidth, | |
boxHeight, | |
currentX = 0, | |
currentY = 0; | |
// remove padding CSS and apply padding on box instead | |
style.padding = 0; | |
// create the label | |
var label = renderer.label('', 0, 0) | |
.attr({ | |
padding: padding, | |
fill: options.backgroundColor, | |
'stroke-width': borderWidth, | |
r: options.borderRadius, | |
zIndex: 8 | |
}) | |
.css(style) | |
.hide() | |
.add() | |
.shadow(1); | |
/** | |
* In case no user defined formatter is given, this will be used | |
*/ | |
function defaultFormatter() { | |
var pThis = this, | |
items = pThis.points || splat(pThis), | |
xAxis = items[0].series.xAxis, | |
x = pThis.x, | |
isDateTime = xAxis && xAxis.options.type === 'datetime', | |
useHeader = isString(x) || isDateTime, | |
series = items[0].series, | |
headerFormat = series.tooltipHeaderFormat || '%A, %b %e, %Y', | |
s; | |
// build the header | |
s = useHeader ? | |
['<span style="font-size: 10px">' + | |
(isDateTime ? dateFormat('%A, %b %e, %Y', x) : x) + | |
'</span>'] : []; | |
// build the values | |
each(items, function(item) { | |
series = item.series; | |
s.push((series.tooltipFormatter && series.tooltipFormatter(item)) || | |
item.point.tooltipFormatter(useHeader)); | |
}); | |
return s.join('<br/>'); | |
} | |
/** | |
* Provide a soft movement for the tooltip | |
* | |
* @param {Number} finalX | |
* @param {Number} finalY | |
*/ | |
function move(finalX, finalY) { | |
currentX = tooltipIsHidden ? finalX : (2 * currentX + finalX) / 3; | |
currentY = tooltipIsHidden ? finalY : (currentY + finalY) / 2; | |
//group.translate(currentX, currentY); | |
label.attr({ x: currentX, y: currentY }); | |
// run on next tick of the mouse tracker | |
if (mathAbs(finalX - currentX) > 1 || mathAbs(finalY - currentY) > 1) { | |
tooltipTick = function() { | |
move(finalX, finalY); | |
}; | |
} else { | |
tooltipTick = null; | |
} | |
} | |
/** | |
* Hide the tooltip | |
*/ | |
function hide() { | |
if (!tooltipIsHidden) { | |
var hoverPoints = chart.hoverPoints; | |
//group.hide(); | |
label.hide(); | |
each(crosshairs, function(crosshair) { | |
if (crosshair) { | |
crosshair.hide(); | |
} | |
}); | |
// hide previous hoverPoints and set new | |
if (hoverPoints) { | |
each(hoverPoints, function(point) { | |
point.setState(); | |
}); | |
} | |
chart.hoverPoints = null; | |
tooltipIsHidden = true; | |
} | |
} | |
/** | |
* Refresh the tooltip's text and position. | |
* @param {Object} point | |
* | |
*/ | |
function refresh(point) { | |
var x, | |
y, | |
boxX, | |
boxY, | |
show, | |
bBox, | |
plotX, | |
plotY, | |
textConfig = {}, | |
text, | |
pointConfig = [], | |
tooltipPos = point.tooltipPos, | |
formatter = options.formatter || defaultFormatter, | |
hoverPoints = chart.hoverPoints; | |
// shared tooltip, array is sent over | |
if (shared && !(point.series && point.series.noSharedTooltip)) { | |
plotY = 0; | |
// hide previous hoverPoints and set new | |
if (hoverPoints) { | |
each(hoverPoints, function(point) { | |
point.setState(); | |
}); | |
} | |
chart.hoverPoints = point; | |
each(point, function(item, i) { | |
item.setState(HOVER_STATE); | |
plotY += item.plotY; // for average | |
pointConfig.push(item.getLabelConfig()); | |
}); | |
plotX = point[0].plotX; | |
plotY = mathRound(plotY) / point.length; // mathRound because Opera 10 has problems here | |
textConfig = { | |
x: point[0].category | |
}; | |
textConfig.points = pointConfig; | |
point = point[0]; | |
// single point tooltip | |
} else { | |
textConfig = point.getLabelConfig(); | |
} | |
text = formatter.call(textConfig); | |
// register the current series | |
currentSeries = point.series; | |
// get the reference point coordinates (pie charts use tooltipPos) | |
plotX = pick(plotX, point.plotX); | |
plotY = pick(plotY, point.plotY); | |
x = mathRound(tooltipPos ? tooltipPos[0] : (inverted ? plotWidth - plotY : plotX)); | |
y = mathRound(tooltipPos ? tooltipPos[1] : (inverted ? plotHeight - plotX : plotY)); | |
// hide tooltip if the point falls outside the plot | |
show = shared || !point.series.isCartesian || isInsidePlot(x, y); | |
// update the inner HTML | |
if (text === false || !show) { | |
hide(); | |
} else { | |
// show it | |
if (tooltipIsHidden) { | |
label.show(); | |
tooltipIsHidden = false; | |
} | |
// update text | |
label.attr({ | |
text: text | |
}); | |
// get the bounding box | |
bBox = label.getBBox(); | |
boxWidth = bBox.width; | |
boxHeight = bBox.height; | |
// set the size of the box | |
label.attr({ | |
stroke: options.borderColor || point.color || currentSeries.color || '#606060' | |
}); | |
// keep the box within the chart area | |
boxX = x - boxWidth + plotLeft - 25; | |
boxY = y - boxHeight + plotTop + 10; | |
// it is too far to the left, adjust it | |
if (boxX < 7) { | |
boxX = 7; | |
boxY -= 30; | |
} | |
if (boxY < plotTop + 5) { | |
boxY = plotTop + 5; // above | |
} else if (boxY + boxHeight > chartHeight) { | |
boxY = chartHeight - boxHeight - 5; // below | |
} | |
// do the move | |
move(mathRound(boxX - boxOffLeft), mathRound(boxY - boxOffLeft)); | |
} | |
// crosshairs | |
if (crosshairsOptions) { | |
crosshairsOptions = splat(crosshairsOptions); // [x, y] | |
var path, | |
i = crosshairsOptions.length, | |
attribs, | |
axis; | |
while (i--) { | |
axis = point.series[i ? 'yAxis' : 'xAxis']; | |
if (crosshairsOptions[i] && axis) { | |
path = axis | |
.getPlotLinePath(point[i ? 'y' : 'x'], 1); | |
if (crosshairs[i]) { | |
crosshairs[i].attr({ d: path, visibility: VISIBLE }); | |
} else { | |
attribs = { | |
'stroke-width': crosshairsOptions[i].width || 1, | |
stroke: crosshairsOptions[i].color || '#C0C0C0', | |
zIndex: 2 | |
}; | |
if (crosshairsOptions[i].dashStyle) { | |
attribs.dashstyle = crosshairsOptions[i].dashStyle; | |
} | |
crosshairs[i] = renderer.path(path) | |
.attr(attribs) | |
.add(); | |
} | |
} | |
} | |
} | |
} | |
// public members | |
return { | |
shared: shared, | |
refresh: refresh, | |
hide: hide | |
}; | |
} | |
/** | |
* The mouse tracker object | |
* @param {Object} chart | |
* @param {Object} options | |
*/ | |
function MouseTracker (chart, options) { | |
var mouseDownX, | |
mouseDownY, | |
hasDragged, | |
selectionMarker, | |
zoomType = optionsChart.zoomType, | |
zoomX = /x/.test(zoomType), | |
zoomY = /y/.test(zoomType), | |
zoomHor = (zoomX && !inverted) || (zoomY && inverted), | |
zoomVert = (zoomY && !inverted) || (zoomX && inverted); | |
/** | |
* Add crossbrowser support for chartX and chartY | |
* @param {Object} e The event object in standard browsers | |
*/ | |
function normalizeMouseEvent(e) { | |
var ePos, | |
pageZoomFix = isWebKit && doc.width / doc.documentElement.clientWidth - 1, | |
chartPosLeft, | |
chartPosTop, | |
chartX, | |
chartY; | |
// common IE normalizing | |
e = e || win.event; | |
if (!e.target) { | |
e.target = e.srcElement; | |
} | |
// jQuery only copies over some properties. IE needs e.x and iOS needs touches. | |
if (e.originalEvent) { | |
e = e.originalEvent; | |
} | |
// iOS | |
ePos = e.touches ? e.touches.item(0) : e; | |
// in certain cases, get mouse position | |
if (e.type !== 'mousemove' || win.opera || pageZoomFix) { // only Opera needs position on mouse move, see below | |
chartPosition = getPosition(container); | |
chartPosLeft = chartPosition.left; | |
chartPosTop = chartPosition.top; | |
} | |
// chartX and chartY | |
if (isIE) { // IE including IE9 that has pageX but in a different meaning | |
chartX = e.x; | |
chartY = e.y; | |
} else { | |
if (ePos.layerX === UNDEFINED) { // Opera and iOS | |
chartX = ePos.pageX - chartPosLeft; | |
chartY = ePos.pageY - chartPosTop; | |
} else { | |
chartX = e.layerX; | |
chartY = e.layerY; | |
} | |
} | |
// correct for page zoom bug in WebKit | |
if (pageZoomFix) { | |
chartX += mathRound((pageZoomFix + 1) * chartPosLeft - chartPosLeft); | |
chartY += mathRound((pageZoomFix + 1) * chartPosTop - chartPosTop); | |
} | |
return extend(e, { | |
chartX: chartX, | |
chartY: chartY | |
}); | |
} | |
/** | |
* Get the click position in terms of axis values. | |
* | |
* @param {Object} e A mouse event | |
*/ | |
function getMouseCoordinates(e) { | |
var coordinates = { | |
xAxis: [], | |
yAxis: [] | |
}; | |
each(axes, function(axis, i) { | |
var translate = axis.translate, | |
isXAxis = axis.isXAxis, | |
isHorizontal = inverted ? !isXAxis : isXAxis; | |
coordinates[isXAxis ? 'xAxis' : 'yAxis'].push({ | |
axis: axis, | |
value: translate( | |
isHorizontal ? | |
e.chartX - plotLeft : | |
plotHeight - e.chartY + plotTop, | |
true | |
) | |
}); | |
}); | |
return coordinates; | |
} | |
/** | |
* With line type charts with a single tracker, get the point closest to the mouse | |
*/ | |
function onmousemove (e) { | |
var point, | |
points, | |
hoverPoint = chart.hoverPoint, | |
hoverSeries = chart.hoverSeries, | |
i, | |
j, | |
distance = chartWidth, | |
index = inverted ? e.chartY : e.chartX - plotLeft; // wtf? | |
// shared tooltip | |
if (tooltip && options.shared && !(hoverSeries && hoverSeries.noSharedTooltip)) { | |
points = []; | |
// loop over all series and find the ones with points closest to the mouse | |
i = series.length; | |
for (j = 0; j < i; j++) { | |
if (series[j].visible && series[j].tooltipPoints.length && | |
series[j].options.enableMouseTracking !== false && | |
!series[j].noSharedTooltip) { | |
point = series[j].tooltipPoints[index]; | |
point._dist = mathAbs(index - point.plotX); | |
distance = mathMin(distance, point._dist); | |
points.push(point); | |
} | |
} | |
// remove furthest points | |
i = points.length; | |
while (i--) { | |
if (points[i]._dist > distance) { | |
points.splice(i, 1); | |
} | |
} | |
// refresh the tooltip if necessary | |
if (points.length && (points[0].plotX !== hoverX)) { | |
tooltip.refresh(points); | |
hoverX = points[0].plotX; | |
} | |
} | |
// separate tooltip and general mouse events | |
if (hoverSeries && hoverSeries.tracker) { // only use for line-type series with common tracker | |
// get the point | |
point = hoverSeries.tooltipPoints[index]; | |
// a new point is hovered, refresh the tooltip | |
if (point && point !== hoverPoint) { | |
// trigger the events | |
point.onMouseOver(); | |
} | |
} | |
} | |
/** | |
* Reset the tracking by hiding the tooltip, the hover series state and the hover point | |
*/ | |
function resetTracker() { | |
var hoverSeries = chart.hoverSeries, | |
hoverPoint = chart.hoverPoint; | |
if (hoverPoint) { | |
hoverPoint.onMouseOut(); | |
} | |
if (hoverSeries) { | |
hoverSeries.onMouseOut(); | |
} | |
if (tooltip) { | |
tooltip.hide(); | |
} | |
hoverX = null; | |
} | |
/** | |
* Mouse up or outside the plot area | |
*/ | |
function drop() { | |
if (selectionMarker) { | |
var selectionData = { | |
xAxis: [], | |
yAxis: [] | |
}, | |
selectionBox = selectionMarker.getBBox(), | |
selectionLeft = selectionBox.x - plotLeft, | |
selectionTop = selectionBox.y - plotTop; | |
// a selection has been made | |
if (hasDragged) { | |
// record each axis' min and max | |
each(axes, function(axis, i) { | |
if (axis.options.zoomEnabled !== false) { | |
var translate = axis.translate, | |
isXAxis = axis.isXAxis, | |
isHorizontal = inverted ? !isXAxis : isXAxis, | |
selectionMin = translate( | |
isHorizontal ? | |
selectionLeft : | |
plotHeight - selectionTop - selectionBox.height, | |
true, | |
0, | |
0, | |
1 | |
), | |
selectionMax = translate( | |
isHorizontal ? | |
selectionLeft + selectionBox.width : | |
plotHeight - selectionTop, | |
true, | |
0, | |
0, | |
1 | |
); | |
selectionData[isXAxis ? 'xAxis' : 'yAxis'].push({ | |
axis: axis, | |
min: mathMin(selectionMin, selectionMax), // for reversed axes, | |
max: mathMax(selectionMin, selectionMax) | |
}); | |
} | |
}); | |
fireEvent(chart, 'selection', selectionData, zoom); | |
} | |
selectionMarker = selectionMarker.destroy(); | |
} | |
css(container, { cursor: 'auto' }); | |
chart.mouseIsDown = mouseIsDown = hasDragged = false; | |
removeEvent(doc, hasTouch ? 'touchend' : 'mouseup', drop); | |
} | |
/** | |
* Set the JS events on the container element | |
*/ | |
function setDOMEvents () { | |
var lastWasOutsidePlot = true; | |
/* | |
* Record the starting position of a dragoperation | |
*/ | |
container.onmousedown = function(e) { | |
e = normalizeMouseEvent(e); | |
// record the start position | |
//e.preventDefault && e.preventDefault(); | |
chart.mouseIsDown = mouseIsDown = true; | |
mouseDownX = e.chartX; | |
mouseDownY = e.chartY; | |
addEvent(doc, hasTouch ? 'touchend' : 'mouseup', drop); | |
}; | |
// The mousemove, touchmove and touchstart event handler | |
var mouseMove = function(e) { | |
// let the system handle multitouch operations like two finger scroll | |
// and pinching | |
if (e && e.touches && e.touches.length > 1) { | |
return; | |
} | |
// normalize | |
e = normalizeMouseEvent(e); | |
if (!hasTouch) { // not for touch devices | |
e.returnValue = false; | |
} | |
var chartX = e.chartX, | |
chartY = e.chartY, | |
isOutsidePlot = !isInsidePlot(chartX - plotLeft, chartY - plotTop); | |
// on touch devices, only trigger click if a handler is defined | |
if (hasTouch && e.type === 'touchstart') { | |
if (attr(e.target, 'isTracker')) { | |
if (!chart.runTrackerClick) { | |
e.preventDefault(); | |
} | |
} else if (!runChartClick && !isOutsidePlot) { | |
e.preventDefault(); | |
} | |
} | |
// cancel on mouse outside | |
if (isOutsidePlot) { | |
if (!lastWasOutsidePlot) { | |
// reset the tracker | |
resetTracker(); | |
} | |
// drop the selection if any and reset mouseIsDown and hasDragged | |
//drop(); | |
if (chartX < plotLeft) { | |
chartX = plotLeft; | |
} else if (chartX > plotLeft + plotWidth) { | |
chartX = plotLeft + plotWidth; | |
} | |
if (chartY < plotTop) { | |
chartY = plotTop; | |
} else if (chartY > plotTop + plotHeight) { | |
chartY = plotTop + plotHeight; | |
} | |
} | |
if (mouseIsDown && e.type !== 'touchstart') { // make selection | |
// determine if the mouse has moved more than 10px | |
hasDragged = Math.sqrt( | |
Math.pow(mouseDownX - chartX, 2) + | |
Math.pow(mouseDownY - chartY, 2)); | |
if (hasDragged > 10) { | |
var clickedInside = isInsidePlot(mouseDownX - plotLeft, mouseDownY - plotTop); | |
// make a selection | |
if (hasCartesianSeries && (zoomX || zoomY) && clickedInside) { | |
if (!selectionMarker) { | |
selectionMarker = renderer.rect( | |
plotLeft, | |
plotTop, | |
zoomHor ? 1 : plotWidth, | |
zoomVert ? 1 : plotHeight, | |
0 | |
) | |
.attr({ | |
fill: 'rgba(69,114,167,0.25)', | |
zIndex: 7 | |
}) | |
.add(); | |
} | |
} | |
// adjust the width of the selection marker | |
if (selectionMarker && zoomHor) { | |
var xSize = chartX - mouseDownX; | |
selectionMarker.attr({ | |
width: mathAbs(xSize), | |
x: (xSize > 0 ? 0 : xSize) + mouseDownX | |
}); | |
} | |
// adjust the height of the selection marker | |
if (selectionMarker && zoomVert) { | |
var ySize = chartY - mouseDownY; | |
selectionMarker.attr({ | |
height: mathAbs(ySize), | |
y: (ySize > 0 ? 0 : ySize) + mouseDownY | |
}); | |
} | |
// panning | |
if (clickedInside && !selectionMarker && optionsChart.panning) { | |
var xAxis = chart.xAxis[0], | |
extremes = xAxis.getExtremes(), | |
dataMin = extremes.dataMin, | |
dataMax = extremes.dataMax, | |
newMin = xAxis.translate(mouseDownX - chartX, true), | |
newMax = xAxis.translate(mouseDownX + plotWidth - chartX, true); | |
if (newMin > dataMin && newMax < dataMax) { | |
xAxis.setExtremes(newMin, newMax, true, false); | |
} | |
mouseDownX = chartX; | |
css(container, { cursor: 'move' }); | |
} | |
} | |
} else if (!isOutsidePlot) { | |
// show the tooltip | |
onmousemove(e); | |
} | |
lastWasOutsidePlot = isOutsidePlot; | |
// when outside plot, allow touch-drag by returning true | |
return isOutsidePlot || !hasCartesianSeries; | |
}; | |
/* | |
* When the mouse enters the container, run mouseMove | |
*/ | |
container.onmousemove = mouseMove; | |
/* | |
* When the mouse leaves the container, hide the tracking (tooltip). | |
*/ | |
addEvent(container, 'mouseleave', resetTracker); | |
container.ontouchstart = function(e) { | |
// For touch devices, use touchmove to zoom | |
if (zoomX || zoomY) { | |
container.onmousedown(e); | |
} | |
// Show tooltip and prevent the lower mouse pseudo event | |
mouseMove(e); | |
}; | |
/* | |
* Allow dragging the finger over the chart to read the values on touch | |
* devices | |
*/ | |
container.ontouchmove = mouseMove; | |
/* | |
* Allow dragging the finger over the chart to read the values on touch | |
* devices | |
*/ | |
container.ontouchend = function() { | |
if (hasDragged) { | |
resetTracker(); | |
} | |
}; | |
// MooTools 1.2.3 doesn't fire this in IE when using addEvent | |
container.onclick = function(e) { | |
var hoverPoint = chart.hoverPoint; | |
e = normalizeMouseEvent(e); | |
e.cancelBubble = true; // IE specific | |
if (!hasDragged) { | |
if (hoverPoint && attr(e.target, 'isTracker')) { | |
var plotX = hoverPoint.plotX, | |
plotY = hoverPoint.plotY; | |
// add page position info | |
extend(hoverPoint, { | |
pageX: chartPosition.left + plotLeft + | |
(inverted ? plotWidth - plotY : plotX), | |
pageY: chartPosition.top + plotTop + | |
(inverted ? plotHeight - plotX : plotY) | |
}); | |
// the series click event | |
fireEvent(hoverPoint.series, 'click', extend(e, { | |
point: hoverPoint | |
})); | |
// the point click event | |
hoverPoint.firePointEvent('click', e); | |
} else { | |
extend(e, getMouseCoordinates(e)); | |
// fire a click event in the chart | |
if (isInsidePlot(e.chartX - plotLeft, e.chartY - plotTop)) { | |
fireEvent(chart, 'click', e); | |
} | |
} | |
} | |
// reset mouseIsDown and hasDragged | |
hasDragged = false; | |
}; | |
} | |
/** | |
* Create the image map that listens for mouseovers | |
*/ | |
placeTrackerGroup = function() { | |
// first create - plot positions is not final at this stage | |
if (!trackerGroup) { | |
chart.trackerGroup = trackerGroup = renderer.g('tracker') | |
.attr({ zIndex: 9 }) | |
.add(); | |
// then position - this happens on load and after resizing and changing | |
// axis or box positions | |
} else { | |
trackerGroup.translate(plotLeft, plotTop); | |
if (inverted) { | |
trackerGroup.attr({ | |
width: chart.plotWidth, | |
height: chart.plotHeight | |
}).invert(); | |
} | |
} | |
}; | |
// Run MouseTracker | |
placeTrackerGroup(); | |
if (options.enabled) { | |
chart.tooltip = tooltip = Tooltip(options); | |
} | |
setDOMEvents(); | |
// set the fixed interval ticking for the smooth tooltip | |
tooltipInterval = setInterval(function() { | |
if (tooltipTick) { | |
tooltipTick(); | |
} | |
}, 32); | |
// expose properties | |
extend(this, { | |
zoomX: zoomX, | |
zoomY: zoomY, | |
resetTracker: resetTracker, | |
normalizeMouseEvent: normalizeMouseEvent | |
}); | |
} | |
/** | |
* The overview of the chart's series | |
* @param {Object} chart | |
*/ | |
var Legend = function(chart) { | |
var options = chart.options.legend; | |
if (!options.enabled) { | |
return; | |
} | |
var horizontal = options.layout === 'horizontal', | |
symbolWidth = options.symbolWidth, | |
symbolPadding = options.symbolPadding, | |
allItems, | |
style = options.style, | |
itemStyle = options.itemStyle, | |
itemHoverStyle = options.itemHoverStyle, | |
itemHiddenStyle = options.itemHiddenStyle, | |
padding = pInt(style.padding), | |
rightPadding = 20, | |
y = 18, | |
initialItemX = 4 + padding + symbolWidth + symbolPadding, | |
itemX, | |
itemY, | |
lastItemY, | |
itemHeight = 0, | |
box, | |
legendBorderWidth = options.borderWidth, | |
legendBackgroundColor = options.backgroundColor, | |
legendGroup, | |
offsetWidth, | |
widthOption = options.width, | |
series = chart.series, | |
reversedLegend = options.reversed; | |
/** | |
* Set the colors for the legend item | |
* @param {Object} item A Series or Point instance | |
* @param {Object} visible Dimmed or colored | |
*/ | |
function colorizeItem(item, visible) { | |
var legendItem = item.legendItem, | |
legendLine = item.legendLine, | |
legendSymbol = item.legendSymbol, | |
hiddenColor = itemHiddenStyle.color, | |
textColor = visible ? options.itemStyle.color : hiddenColor, | |
symbolColor = visible ? item.color : hiddenColor; | |
if (legendItem) { | |
legendItem.css({ fill: textColor }); | |
} | |
if (legendLine) { | |
legendLine.attr({ stroke: symbolColor }); | |
} | |
if (legendSymbol) { | |
legendSymbol.attr({ | |
stroke: symbolColor, | |
fill: symbolColor | |
}); | |
} | |
} | |
/** | |
* Position the legend item | |
* @param {Object} item A Series or Point instance | |
* @param {Object} visible Dimmed or colored | |
*/ | |
function positionItem(item, itemX, itemY) { | |
var legendItem = item.legendItem, | |
legendLine = item.legendLine, | |
legendSymbol = item.legendSymbol, | |
checkbox = item.checkbox; | |
if (legendItem) { | |
legendItem.attr({ | |
x: itemX, | |
y: itemY | |
}); | |
} | |
if (legendLine) { | |
legendLine.translate(itemX, itemY - 4); | |
} | |
if (legendSymbol) { | |
legendSymbol.attr({ | |
x: itemX + legendSymbol.xOff, | |
y: itemY + legendSymbol.yOff | |
}); | |
} | |
if (checkbox) { | |
checkbox.x = itemX; | |
checkbox.y = itemY; | |
} | |
} | |
/** | |
* Destroy a single legend item | |
* @param {Object} item The series or point | |
*/ | |
function destroyItem(item) { | |
var checkbox = item.checkbox; | |
// destroy SVG elements | |
each(['legendItem', 'legendLine', 'legendSymbol'], function(key) { | |
if (item[key]) { | |
item[key].destroy(); | |
} | |
}); | |
if (checkbox) { | |
discardElement(item.checkbox); | |
} | |
} | |
/** | |
* Position the checkboxes after the width is determined | |
*/ | |
function positionCheckboxes() { | |
each(allItems, function(item) { | |
var checkbox = item.checkbox, | |
alignAttr = legendGroup.alignAttr; | |
if (checkbox) { | |
css(checkbox, { | |
left: (alignAttr.translateX + item.legendItemWidth + checkbox.x - 40) +PX, | |
top: (alignAttr.translateY + checkbox.y - 11) + PX | |
}); | |
} | |
}); | |
} | |
/** | |
* Render a single specific legend item | |
* @param {Object} item A series or point | |
*/ | |
function renderItem(item) { | |
var bBox, | |
itemWidth, | |
legendSymbol, | |
symbolX, | |
symbolY, | |
attribs, | |
simpleSymbol, | |
radius, | |
li = item.legendItem, | |
series = item.series || item, | |
i = allItems.length, | |
itemOptions = series.options, | |
strokeWidth = (itemOptions && itemOptions.borderWidth) || 0; | |
if (!li) { // generate it once, later move it | |
// let these series types use a simple symbol | |
simpleSymbol = /^(bar|pie|area|column)$/.test(series.type); | |
// generate the list item text | |
item.legendItem = li = renderer.text( | |
options.labelFormatter.call(item), | |
0, | |
0 | |
) | |
.css(item.visible ? itemStyle : itemHiddenStyle) | |
.on('mouseover', function() { | |
item.setState(HOVER_STATE); | |
li.css(itemHoverStyle); | |
}) | |
.on('mouseout', function() { | |
li.css(item.visible ? itemStyle : itemHiddenStyle); | |
item.setState(); | |
}) | |
.on('click', function(event) { | |
var strLegendItemClick = 'legendItemClick', | |
fnLegendItemClick = function() { | |
item.setVisible(); | |
}; | |
// click the name or symbol | |
if (item.firePointEvent) { // point | |
item.firePointEvent(strLegendItemClick, null, fnLegendItemClick); | |
} else { | |
fireEvent(item, strLegendItemClick, null, fnLegendItemClick); | |
} | |
}) | |
.attr({ zIndex: 2 }) | |
.add(legendGroup); | |
// draw the line | |
if (!simpleSymbol && itemOptions && itemOptions.lineWidth) { | |
var attrs = { | |
'stroke-width': itemOptions.lineWidth, | |
zIndex: 2 | |
}; | |
if (itemOptions.dashStyle) { | |
attrs.dashstyle = itemOptions.dashStyle; | |
} | |
item.legendLine = renderer.path([ | |
M, | |
-symbolWidth - symbolPadding, | |
0, | |
L, | |
-symbolPadding, | |
0 | |
]) | |
.attr(attrs) | |
.add(legendGroup); | |
} | |
// draw a simple symbol | |
if (simpleSymbol) { // bar|pie|area|column | |
legendSymbol = renderer.rect( | |
(symbolX = -symbolWidth - symbolPadding), | |
(symbolY = -11), | |
symbolWidth, | |
12, | |
2 | |
).attr({ | |
//'stroke-width': 0, | |
zIndex: 3 | |
}).add(legendGroup); | |
} | |
// draw the marker | |
else if (itemOptions && itemOptions.marker && itemOptions.marker.enabled) { | |
radius = itemOptions.marker.radius; | |
legendSymbol = renderer.symbol( | |
item.symbol, | |
(symbolX = -symbolWidth / 2 - symbolPadding - radius), | |
(symbolY = -4 - radius), | |
2 * radius, | |
2 * radius | |
) | |
.attr(item.pointAttr[NORMAL_STATE]) | |
.attr({ zIndex: 3 }) | |
.add(legendGroup); | |
} | |
if (legendSymbol) { | |
legendSymbol.xOff = symbolX + (strokeWidth % 2 / 2); | |
legendSymbol.yOff = symbolY + (strokeWidth % 2 / 2); | |
} | |
item.legendSymbol = legendSymbol; | |
// colorize the items | |
colorizeItem(item, item.visible); | |
// add the HTML checkbox on top | |
if (itemOptions && itemOptions.showCheckbox) { | |
item.checkbox = createElement('input', { | |
type: 'checkbox', | |
checked: item.selected, | |
defaultChecked: item.selected // required by IE7 | |
}, options.itemCheckboxStyle, container); | |
addEvent(item.checkbox, 'click', function(event) { | |
var target = event.target; | |
fireEvent(item, 'checkboxClick', { | |
checked: target.checked | |
}, | |
function() { | |
item.select(); | |
} | |
); | |
}); | |
} | |
} | |
// calculate the positions for the next line | |
bBox = li.getBBox(); | |
itemWidth = item.legendItemWidth = | |
options.itemWidth || symbolWidth + symbolPadding + bBox.width + rightPadding; | |
itemHeight = bBox.height; | |
// if the item exceeds the width, start a new line | |
if (horizontal && itemX - initialItemX + itemWidth > | |
(widthOption || (chartWidth - 2 * padding - initialItemX))) { | |
itemX = initialItemX; | |
itemY += itemHeight; | |
} | |
lastItemY = itemY; | |
// position the newly generated or reordered items | |
positionItem(item, itemX, itemY); | |
// advance | |
if (horizontal) { | |
itemX += itemWidth; | |
} else { | |
itemY += itemHeight; | |
} | |
// the width of the widest item | |
offsetWidth = widthOption || mathMax( | |
horizontal ? itemX - initialItemX : itemWidth, | |
offsetWidth | |
); | |
// add it all to an array to use below | |
//allItems.push(item); | |
} | |
/** | |
* Render the legend. This method can be called both before and after | |
* chart.render. If called after, it will only rearrange items instead | |
* of creating new ones. | |
*/ | |
function renderLegend() { | |
itemX = initialItemX; | |
itemY = y; | |
offsetWidth = 0; | |
lastItemY = 0; | |
if (!legendGroup) { | |
legendGroup = renderer.g('legend') | |
.attr({ zIndex: 7 }) | |
.add(); | |
} | |
// add each series or point | |
allItems = []; | |
each(series, function(serie) { | |
var seriesOptions = serie.options; | |
if (!seriesOptions.showInLegend) { | |
return; | |
} | |
// use points or series for the legend item depending on legendType | |
allItems = allItems.concat(seriesOptions.legendType === 'point' ? | |
serie.data : | |
serie | |
); | |
}); | |
// sort by legendIndex | |
allItems.sort(function(a, b) { | |
return (a.options.legendIndex || 0) - (b.options.legendIndex || 0); | |
}); | |
// reversed legend | |
if (reversedLegend) { | |
allItems.reverse(); | |
} | |
// render the items | |
each(allItems, renderItem); | |
// Draw the border | |
legendWidth = widthOption || offsetWidth; | |
legendHeight = lastItemY - y + itemHeight; | |
if (legendBorderWidth || legendBackgroundColor) { | |
legendWidth += 2 * padding; | |
legendHeight += 2 * padding; | |
if (!box) { | |
box = renderer.rect( | |
0, | |
0, | |
legendWidth, | |
legendHeight, | |
options.borderRadius, | |
legendBorderWidth || 0 | |
).attr({ | |
stroke: options.borderColor, | |
'stroke-width': legendBorderWidth || 0, | |
fill: legendBackgroundColor || NONE | |
}) | |
.add(legendGroup) | |
.shadow(options.shadow); | |
} else if (legendWidth > 0 && legendHeight > 0) { | |
box.animate( | |
box.crisp(null, null, null, legendWidth, legendHeight) | |
); | |
} | |
// hide the border if no items | |
box[allItems.length ? 'show' : 'hide'](); | |
} | |
// 1.x compatibility: positioning based on style | |
var props = ['left', 'right', 'top', 'bottom'], | |
prop, | |
i = 4; | |
while(i--) { | |
prop = props[i]; | |
if (style[prop] && style[prop] !== 'auto') { | |
options[i < 2 ? 'align' : 'verticalAlign'] = prop; | |
options[i < 2 ? 'x' : 'y'] = pInt(style[prop]) * (i % 2 ? -1 : 1); | |
} | |
} | |
legendGroup.align(extend(options, { | |
width: legendWidth, | |
height: legendHeight | |
}), true, spacingBox); | |
if (!isResizing) { | |
positionCheckboxes(); | |
} | |
} | |
// run legend | |
renderLegend(); | |
// move checkboxes | |
addEvent(chart, 'endResize', positionCheckboxes); | |
// expose | |
return { | |
colorizeItem: colorizeItem, | |
destroyItem: destroyItem, | |
renderLegend: renderLegend | |
}; | |
}; | |
/** | |
* Initialize an individual series, called internally before render time | |
*/ | |
function initSeries(options) { | |
var type = options.type || optionsChart.type || optionsChart.defaultSeriesType, | |
typeClass = seriesTypes[type], | |
serie, | |
hasRendered = chart.hasRendered; | |
// an inverted chart can't take a column series and vice versa | |
if (hasRendered) { | |
if (inverted && type === 'column') { | |
typeClass = seriesTypes.bar; | |
} else if (!inverted && type === 'bar') { | |
typeClass = seriesTypes.column; | |
} | |
} | |
serie = new typeClass(); | |
serie.init(chart, options); | |
// set internal chart properties | |
if (!hasRendered && serie.inverted) { | |
inverted = true; | |
} | |
if (serie.isCartesian) { | |
hasCartesianSeries = serie.isCartesian; | |
} | |
series.push(serie); | |
return serie; | |
} | |
/** | |
* Add a series dynamically after time | |
* | |
* @param {Object} options The config options | |
* @param {Boolean} redraw Whether to redraw the chart after adding. Defaults to true. | |
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation | |
* configuration | |
* | |
* @return {Object} series The newly created series object | |
*/ | |
function addSeries(options, redraw, animation) { | |
var series; | |
if (options) { | |
setAnimation(animation, chart); | |
redraw = pick(redraw, true); // defaults to true | |
fireEvent(chart, 'addSeries', { options: options }, function() { | |
series = initSeries(options); | |
series.isDirty = true; | |
chart.isDirtyLegend = true; // the series array is out of sync with the display | |
if (redraw) { | |
chart.redraw(); | |
} | |
}); | |
} | |
return series; | |
} | |
/** | |
* Check whether a given point is within the plot area | |
* | |
* @param {Number} x Pixel x relative to the plot area | |
* @param {Number} y Pixel y relative to the plot area | |
*/ | |
isInsidePlot = function(x, y) { | |
return x >= 0 && | |
x <= plotWidth && | |
y >= 0 && | |
y <= plotHeight; | |
}; | |
/** | |
* Adjust all axes tick amounts | |
*/ | |
function adjustTickAmounts() { | |
if (optionsChart.alignTicks !== false) { | |
each(axes, function(axis) { | |
axis.adjustTickAmount(); | |
}); | |
} | |
maxTicks = null; | |
} | |
/** | |
* Redraw legend, axes or series based on updated data | |
* | |
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation | |
* configuration | |
*/ | |
function redraw(animation) { | |
var redrawLegend = chart.isDirtyLegend, | |
hasStackedSeries, | |
isDirtyBox = chart.isDirtyBox, // todo: check if it has actually changed? | |
seriesLength = series.length, | |
i = seriesLength, | |
clipRect = chart.clipRect, | |
serie; | |
setAnimation(animation, chart); | |
// link stacked series | |
while (i--) { | |
serie = series[i]; | |
if (serie.isDirty && serie.options.stacking) { | |
hasStackedSeries = true; | |
break; | |
} | |
} | |
if (hasStackedSeries) { // mark others as dirty | |
i = seriesLength; | |
while (i--) { | |
serie = series[i]; | |
if (serie.options.stacking) { | |
serie.isDirty = true; | |
} | |
} | |
} | |
// handle updated data in the series | |
each(series, function(serie) { | |
if (serie.isDirty) { // prepare the data so axis can read it | |
if (serie.options.legendType === 'point') { | |
redrawLegend = true; | |
} | |
} | |
}); | |
// handle added or removed series | |
if (redrawLegend && legend.renderLegend) { // series or pie points are added or removed | |
// draw legend graphics | |
legend.renderLegend(); | |
chart.isDirtyLegend = false; | |
} | |
if (hasCartesianSeries) { | |
if (!isResizing) { | |
// reset maxTicks | |
maxTicks = null; | |
// set axes scales | |
each(axes, function(axis) { | |
axis.leastDistance = UNDEFINED; | |
axis.setScale(); | |
}); | |
} | |
adjustTickAmounts(); | |
getMargins(); | |
// redraw axes | |
each(axes, function(axis) { | |
if (axis.isDirty || isDirtyBox) { | |
axis.redraw(); | |
isDirtyBox = true; | |
} | |
}); | |
} | |
// the plot areas size has changed | |
if (isDirtyBox) { | |
drawChartBox(); | |
placeTrackerGroup(); | |
// move clip rect | |
if (clipRect) { | |
stop(clipRect); | |
clipRect.animate({ // for chart resize | |
width: chart.plotSizeX, | |
height: chart.plotSizeY | |
}); | |
} | |
} | |
// redraw affected series | |
each(series, function(serie) { | |
if (serie.isDirty && serie.visible && | |
(!serie.isCartesian || serie.xAxis)) { // issue #153 | |
serie.redraw(); | |
} | |
}); | |
// hide tooltip and hover states | |
if (tracker && tracker.resetTracker) { | |
tracker.resetTracker(); | |
} | |
// fire the event | |
fireEvent(chart, 'redraw'); // jQuery breaks this when calling it from addEvent. Overwrites chart.redraw | |
} | |
/** | |
* Dim the chart and show a loading text or symbol | |
* @param {String} str An optional text to show in the loading label instead of the default one | |
*/ | |
function showLoading(str) { | |
var loadingOptions = options.loading; | |
// create the layer at the first call | |
if (!loadingDiv) { | |
loadingDiv = createElement(DIV, { | |
className: 'highcharts-loading' | |
}, extend(loadingOptions.style, { | |
left: plotLeft + PX, | |
top: plotTop + PX, | |
width: plotWidth + PX, | |
height: plotHeight + PX, | |
zIndex: 10, | |
display: NONE | |
}), container); | |
loadingSpan = createElement( | |
'span', | |
null, | |
loadingOptions.labelStyle, | |
loadingDiv | |
); | |
} | |
// update text | |
loadingSpan.innerHTML = str || options.lang.loading; | |
// show it | |
if (!loadingShown) { | |
css(loadingDiv, { opacity: 0, display: '' }); | |
animate(loadingDiv, { | |
opacity: loadingOptions.style.opacity | |
}, { | |
duration: loadingOptions.showDuration | |
}); | |
loadingShown = true; | |
} | |
} | |
/** | |
* Hide the loading layer | |
*/ | |
function hideLoading() { | |
animate(loadingDiv, { | |
opacity: 0 | |
}, { | |
duration: options.loading.hideDuration, | |
complete: function() { | |
css(loadingDiv, { display: NONE }); | |
} | |
}); | |
loadingShown = false; | |
} | |
/** | |
* Get an axis, series or point object by id. | |
* @param id {String} The id as given in the configuration options | |
*/ | |
function get(id) { | |
var i, | |
j, | |
points; | |
// search axes | |
for (i = 0; i < axes.length; i++) { | |
if (axes[i].options.id === id) { | |
return axes[i]; | |
} | |
} | |
// search series | |
for (i = 0; i < series.length; i++) { | |
if (series[i].options.id === id) { | |
return series[i]; | |
} | |
} | |
// search points | |
for (i = 0; i < series.length; i++) { | |
points = series[i].points; | |
for (j = 0; j < points.length; j++) { | |
if (points[j].id === id) { | |
return points[j]; | |
} | |
} | |
} | |
return null; | |
} | |
/** | |
* Create the Axis instances based on the config options | |
*/ | |
function getAxes() { | |
var xAxisOptions = options.xAxis || {}, | |
yAxisOptions = options.yAxis || {}, | |
optionsArray, | |
axis; | |
// make sure the options are arrays and add some members | |
xAxisOptions = splat(xAxisOptions); | |
each(xAxisOptions, function(axis, i) { | |
axis.index = i; | |
axis.isX = true; | |
}); | |
yAxisOptions = splat(yAxisOptions); | |
each(yAxisOptions, function(axis, i) { | |
axis.index = i; | |
}); | |
// concatenate all axis options into one array | |
optionsArray = xAxisOptions.concat(yAxisOptions); | |
each(optionsArray, function(axisOptions) { | |
axis = new Axis(axisOptions); | |
}); | |
adjustTickAmounts(); | |
} | |
/** | |
* Get the currently selected points from all series | |
*/ | |
function getSelectedPoints() { | |
var points = []; | |
each(series, function(serie) { | |
points = points.concat( grep( serie.points, function(point) { | |
return point.selected; | |
})); | |
}); | |
return points; | |
} | |
/** | |
* Get the currently selected series | |
*/ | |
function getSelectedSeries() { | |
return grep(series, function (serie) { | |
return serie.selected; | |
}); | |
} | |
/** | |
* Zoom out to 1:1 | |
*/ | |
zoomOut = function () { | |
fireEvent(chart, 'selection', { resetSelection: true }, zoom); | |
chart.toolbar.remove('zoom'); | |
}; | |
/** | |
* Zoom into a given portion of the chart given by axis coordinates | |
* @param {Object} event | |
*/ | |
zoom = function (event) { | |
// add button to reset selection | |
var lang = defaultOptions.lang, | |
animate = chart.pointCount < 100; | |
if (chart.resetZoomEnabled !== false) { // hook for Stock charts etc. | |
chart.toolbar.add('zoom', lang.resetZoom, lang.resetZoomTitle, zoomOut); | |
} | |
// if zoom is called with no arguments, reset the axes | |
if (!event || event.resetSelection) { | |
each(axes, function(axis) { | |
if (axis.options.zoomEnabled !== false) { | |
axis.setExtremes(null, null, false, animate); | |
} | |
}); | |
} | |
// else, zoom in on all axes | |
else { | |
each(event.xAxis.concat(event.yAxis), function(axisData) { | |
var axis = axisData.axis; | |
// don't zoom more than maxZoom | |
if (chart.tracker[axis.isXAxis ? 'zoomX' : 'zoomY']) { | |
axis.setExtremes(axisData.min, axisData.max, false, animate); | |
} | |
}); | |
} | |
// redraw chart | |
redraw(); | |
}; | |
/** | |
* Show the title and subtitle of the chart | |
* | |
* @param titleOptions {Object} New title options | |
* @param subtitleOptions {Object} New subtitle options | |
* | |
*/ | |
function setTitle (titleOptions, subtitleOptions) { | |
chartTitleOptions = merge(options.title, titleOptions); | |
chartSubtitleOptions = merge(options.subtitle, subtitleOptions); | |
// add title and subtitle | |
each([ | |
['title', titleOptions, chartTitleOptions], | |
['subtitle', subtitleOptions, chartSubtitleOptions] | |
], function(arr) { | |
var name = arr[0], | |
title = chart[name], | |
titleOptions = arr[1], | |
chartTitleOptions = arr[2]; | |
if (title && titleOptions) { | |
title.destroy(); // remove old | |
title = null; | |
} | |
if (chartTitleOptions && chartTitleOptions.text && !title) { | |
chart[name] = renderer.text( | |
chartTitleOptions.text, | |
0, | |
0 | |
) | |
.attr({ | |
align: chartTitleOptions.align, | |
'class': 'highcharts-'+ name, | |
zIndex: 1 | |
}) | |
.css(chartTitleOptions.style) | |
.add() | |
.align(chartTitleOptions, false, spacingBox); | |
} | |
}); | |
} | |
/** | |
* Get chart width and height according to options and container size | |
*/ | |
function getChartSize() { | |
containerWidth = (renderToClone || renderTo).offsetWidth; | |
containerHeight = (renderToClone || renderTo).offsetHeight; | |
chart.chartWidth = chartWidth = optionsChart.width || containerWidth || 600; | |
chart.chartHeight = chartHeight = optionsChart.height || | |
// the offsetHeight of an empty container is 0 in standard browsers, but 19 in IE7: | |
(containerHeight > 19 ? containerHeight : 400); | |
} | |
/** | |
* Get the containing element, determine the size and create the inner container | |
* div to hold the chart | |
*/ | |
function getContainer() { | |
renderTo = optionsChart.renderTo; | |
containerId = PREFIX + idCounter++; | |
if (isString(renderTo)) { | |
renderTo = doc.getElementById(renderTo); | |
} | |
// remove previous chart | |
renderTo.innerHTML = ''; | |
// If the container doesn't have an offsetWidth, it has or is a child of a node | |
// that has display:none. We need to temporarily move it out to a visible | |
// state to determine the size, else the legend and tooltips won't render | |
// properly | |
if (!renderTo.offsetWidth) { | |
renderToClone = renderTo.cloneNode(0); | |
css(renderToClone, { | |
position: ABSOLUTE, | |
top: '-9999px', | |
display: '' | |
}); | |
doc.body.appendChild(renderToClone); | |
} | |
// get the width and height | |
getChartSize(); | |
// create the inner container | |
chart.container = container = createElement(DIV, { | |
className: 'highcharts-container' + | |
(optionsChart.className ? ' '+ optionsChart.className : ''), | |
id: containerId | |
}, extend({ | |
position: RELATIVE, | |
overflow: HIDDEN, // needed for context menu (avoid scrollbars) and | |
// content overflow in IE | |
width: chartWidth + PX, | |
height: chartHeight + PX, | |
textAlign: 'left' | |
}, optionsChart.style), | |
renderToClone || renderTo | |
); | |
chart.renderer = renderer = | |
optionsChart.forExport ? // force SVG, used for SVG export | |
new SVGRenderer(container, chartWidth, chartHeight, true) : | |
new Renderer(container, chartWidth, chartHeight); | |
// Issue 110 workaround: | |
// In Firefox, if a div is positioned by percentage, its pixel position may land | |
// between pixels. The container itself doesn't display this, but an SVG element | |
// inside this container will be drawn at subpixel precision. In order to draw | |
// sharp lines, this must be compensated for. This doesn't seem to work inside | |
// iframes though (like in jsFiddle). | |
var subPixelFix, rect; | |
if (isFirefox && container.getBoundingClientRect) { | |
subPixelFix = function() { | |
css(container, { left: 0, top: 0 }); | |
rect = container.getBoundingClientRect(); | |
css(container, { | |
left: (-(rect.left - pInt(rect.left))) + PX, | |
top: (-(rect.top - pInt(rect.top))) + PX | |
}); | |
}; | |
// run the fix now | |
subPixelFix(); | |
// run it on resize | |
addEvent(win, 'resize', subPixelFix); | |
// remove it on chart destroy | |
addEvent(chart, 'destroy', function() { | |
removeEvent(win, 'resize', subPixelFix); | |
}); | |
} | |
} | |
/** | |
* Calculate margins by rendering axis labels in a preliminary position. Title, | |
* subtitle and legend have already been rendered at this stage, but will be | |
* moved into their final positions | |
*/ | |
getMargins = function() { | |
var legendOptions = options.legend, | |
legendMargin = pick(legendOptions.margin, 10), | |
legendX = legendOptions.x, | |
legendY = legendOptions.y, | |
align = legendOptions.align, | |
verticalAlign = legendOptions.verticalAlign, | |
titleOffset; | |
resetMargins(); | |
// adjust for title and subtitle | |
if ((chart.title || chart.subtitle) && !defined(optionsMarginTop)) { | |
titleOffset = mathMax( | |
(chart.title && !chartTitleOptions.floating && !chartTitleOptions.verticalAlign && chartTitleOptions.y) || 0, | |
(chart.subtitle && !chartSubtitleOptions.floating && !chartSubtitleOptions.verticalAlign && chartSubtitleOptions.y) || 0 | |
); | |
if (titleOffset) { | |
plotTop = mathMax(plotTop, titleOffset + pick(chartTitleOptions.margin, 15) + spacingTop); | |
} | |
} | |
// adjust for legend | |
if (legendOptions.enabled && !legendOptions.floating) { | |
if (align === 'right') { // horizontal alignment handled first | |
if (!defined(optionsMarginRight)) { | |
marginRight = mathMax( | |
marginRight, | |
legendWidth - legendX + legendMargin + spacingRight | |
); | |
} | |
} else if (align === 'left') { | |
if (!defined(optionsMarginLeft)) { | |
plotLeft = mathMax( | |
plotLeft, | |
legendWidth + legendX + legendMargin + spacingLeft | |
); | |
} | |
} else if (verticalAlign === 'top') { | |
if (!defined(optionsMarginTop)) { | |
plotTop = mathMax( | |
plotTop, | |
legendHeight + legendY + legendMargin + spacingTop | |
); | |
} | |
} else if (verticalAlign === 'bottom') { | |
if (!defined(optionsMarginBottom)) { | |
marginBottom = mathMax( | |
marginBottom, | |
legendHeight - legendY + legendMargin + spacingBottom | |
); | |
} | |
} | |
} | |
// adjust for scroller | |
if (chart.extraBottomMargin) { | |
marginBottom += chart.extraBottomMargin; | |
} | |
if (chart.extraTopMargin) { | |
plotTop += chart.extraTopMargin; | |
} | |
// pre-render axes to get labels offset width | |
if (hasCartesianSeries) { | |
each(axes, function(axis) { | |
axis.getOffset(); | |
}); | |
} | |
if (!defined(optionsMarginLeft)) { | |
plotLeft += axisOffset[3]; | |
} | |
if (!defined(optionsMarginTop)) { | |
plotTop += axisOffset[0]; | |
} | |
if (!defined(optionsMarginBottom)) { | |
marginBottom += axisOffset[2]; | |
} | |
if (!defined(optionsMarginRight)) { | |
marginRight += axisOffset[1]; | |
} | |
setChartSize(); | |
}; | |
/** | |
* Add the event handlers necessary for auto resizing | |
* | |
*/ | |
function initReflow() { | |
var reflowTimeout; | |
function reflow() { | |
var width = optionsChart.width || renderTo.offsetWidth, | |
height = optionsChart.height || renderTo.offsetHeight; | |
if (width && height) { // means container is display:none | |
if (width !== containerWidth || height !== containerHeight) { | |
clearTimeout(reflowTimeout); | |
reflowTimeout = setTimeout(function() { | |
resize(width, height, false); | |
}, 100); | |
} | |
containerWidth = width; | |
containerHeight = height; | |
} | |
} | |
addEvent(win, 'resize', reflow); | |
addEvent(chart, 'destroy', function() { | |
removeEvent(win, 'resize', reflow); | |
}); | |
} | |
/** | |
* Resize the chart to a given width and height | |
* @param {Number} width | |
* @param {Number} height | |
* @param {Object|Boolean} animation | |
*/ | |
resize = function(width, height, animation) { | |
var chartTitle = chart.title, | |
chartSubtitle = chart.subtitle; | |
isResizing += 1; | |
// set the animation for the current process | |
setAnimation(animation, chart); | |
oldChartHeight = chartHeight; | |
oldChartWidth = chartWidth; | |
if (defined(width)) { | |
chart.chartWidth = chartWidth = mathRound(width); | |
} | |
if (defined(height)) { | |
chart.chartHeight = chartHeight = mathRound(height); | |
} | |
css(container, { | |
width: chartWidth + PX, | |
height: chartHeight + PX | |
}); | |
renderer.setSize(chartWidth, chartHeight, animation); | |
// update axis lengths for more correct tick intervals: | |
plotWidth = chartWidth - plotLeft - marginRight; | |
plotHeight = chartHeight - plotTop - marginBottom; | |
// handle axes | |
maxTicks = null; | |
each(axes, function(axis) { | |
axis.isDirty = true; | |
axis.setScale(); | |
}); | |
// make sure non-cartesian series are also handled | |
each(series, function(serie) { | |
serie.isDirty = true; | |
}); | |
chart.isDirtyLegend = true; // force legend redraw | |
chart.isDirtyBox = true; // force redraw of plot and chart border | |
getMargins(); | |
// move titles | |
if (chartTitle) { | |
chartTitle.align(null, null, spacingBox); | |
} | |
if (chartSubtitle) { | |
chartSubtitle.align(null, null, spacingBox); | |
} | |
redraw(animation); | |
oldChartHeight = null; | |
fireEvent(chart, 'resize'); | |
// fire endResize and set isResizing back | |
setTimeout(function() { | |
fireEvent(chart, 'endResize', null, function() { | |
isResizing -= 1; | |
}); | |
}, (globalAnimation && globalAnimation.duration) || 500); | |
}; | |
/** | |
* Set the public chart properties. This is done before and after the pre-render | |
* to determine margin sizes | |
*/ | |
setChartSize = function() { | |
chart.plotLeft = plotLeft = mathRound(plotLeft); | |
chart.plotTop = plotTop = mathRound(plotTop); | |
chart.plotWidth = plotWidth = mathRound(chartWidth - plotLeft - marginRight); | |
chart.plotHeight = plotHeight = mathRound(chartHeight - plotTop - marginBottom); | |
chart.plotSizeX = inverted ? plotHeight : plotWidth; | |
chart.plotSizeY = inverted ? plotWidth : plotHeight; | |
spacingBox = { | |
x: spacingLeft, | |
y: spacingTop, | |
width: chartWidth - spacingLeft - spacingRight, | |
height: chartHeight - spacingTop - spacingBottom | |
}; | |
each(axes, function(axis) { | |
axis.setAxisSize(); | |
}); | |
}; | |
/** | |
* Initial margins before auto size margins are applied | |
*/ | |
resetMargins = function() { | |
plotTop = pick(optionsMarginTop, spacingTop); | |
marginRight = pick(optionsMarginRight, spacingRight); | |
marginBottom = pick(optionsMarginBottom, spacingBottom); | |
plotLeft = pick(optionsMarginLeft, spacingLeft); | |
axisOffset = [0, 0, 0, 0]; // top, right, bottom, left | |
}; | |
/** | |
* Draw the borders and backgrounds for chart and plot area | |
*/ | |
drawChartBox = function() { | |
var chartBorderWidth = optionsChart.borderWidth || 0, | |
chartBackgroundColor = optionsChart.backgroundColor, | |
plotBackgroundColor = optionsChart.plotBackgroundColor, | |
plotBackgroundImage = optionsChart.plotBackgroundImage, | |
mgn, | |
plotSize = { | |
x: plotLeft, | |
y: plotTop, | |
width: plotWidth, | |
height: plotHeight | |
}; | |
// Chart area | |
mgn = chartBorderWidth + (optionsChart.shadow ? 8 : 0); | |
if (chartBorderWidth || chartBackgroundColor) { | |
if (!chartBackground) { | |
chartBackground = renderer.rect(mgn / 2, mgn / 2, chartWidth - mgn, chartHeight - mgn, | |
optionsChart.borderRadius, chartBorderWidth) | |
.attr({ | |
stroke: optionsChart.borderColor, | |
'stroke-width': chartBorderWidth, | |
fill: chartBackgroundColor || NONE | |
}) | |
.add() | |
.shadow(optionsChart.shadow); | |
} else { // resize | |
chartBackground.animate( | |
chartBackground.crisp(null, null, null, chartWidth - mgn, chartHeight - mgn) | |
); | |
} | |
} | |
// Plot background | |
if (plotBackgroundColor) { | |
if (!plotBackground) { | |
plotBackground = renderer.rect(plotLeft, plotTop, plotWidth, plotHeight, 0) | |
.attr({ | |
fill: plotBackgroundColor | |
}) | |
.add() | |
.shadow(optionsChart.plotShadow); | |
} else { | |
plotBackground.animate(plotSize); | |
} | |
} | |
if (plotBackgroundImage) { | |
if (!plotBGImage) { | |
plotBGImage = renderer.image(plotBackgroundImage, plotLeft, plotTop, plotWidth, plotHeight) | |
.add(); | |
} else { | |
plotBGImage.animate(plotSize); | |
} | |
} | |
// Plot area border | |
if (optionsChart.plotBorderWidth) { | |
if (!plotBorder) { | |
plotBorder = renderer.rect(plotLeft, plotTop, plotWidth, plotHeight, 0, optionsChart.plotBorderWidth) | |
.attr({ | |
stroke: optionsChart.plotBorderColor, | |
'stroke-width': optionsChart.plotBorderWidth, | |
zIndex: 4 | |
}) | |
.add(); | |
} else { | |
plotBorder.animate( | |
plotBorder.crisp(null, plotLeft, plotTop, plotWidth, plotHeight) | |
); | |
} | |
} | |
// reset | |
chart.isDirtyBox = false; | |
}; | |
/** | |
* Render all graphics for the chart | |
*/ | |
function render () { | |
var labels = options.labels, | |
credits = options.credits, | |
creditsHref; | |
// Title | |
setTitle(); | |
// Legend | |
legend = chart.legend = new Legend(chart); | |
// Get margins by pre-rendering axes | |
getMargins(); | |
each(axes, function(axis) { | |
axis.setTickPositions(true); // update to reflect the new margins | |
}); | |
adjustTickAmounts(); | |
getMargins(); // second pass to check for new labels | |
// Draw the borders and backgrounds | |
drawChartBox(); | |
// Axes | |
if (hasCartesianSeries) { | |
each(axes, function(axis) { | |
axis.render(); | |
}); | |
} | |
// The series | |
if (!chart.seriesGroup) { | |
chart.seriesGroup = renderer.g('series-group') | |
.attr({ zIndex: 3 }) | |
.add(); | |
} | |
each(series, function(serie) { | |
serie.translate(); | |
serie.setTooltipPoints(); | |
serie.render(); | |
}); | |
// Labels | |
if (labels.items) { | |
each(labels.items, function() { | |
var style = extend(labels.style, this.style), | |
x = pInt(style.left) + plotLeft, | |
y = pInt(style.top) + plotTop + 12; | |
// delete to prevent rewriting in IE | |
delete style.left; | |
delete style.top; | |
renderer.text( | |
this.html, | |
x, | |
y | |
) | |
.attr({ zIndex: 2 }) | |
.css(style) | |
.add(); | |
}); | |
} | |
// Toolbar (don't redraw) | |
if (!chart.toolbar) { | |
chart.toolbar = Toolbar(chart); | |
} | |
// Credits | |
if (credits.enabled && !chart.credits) { | |
creditsHref = credits.href; | |
renderer.text( | |
credits.text, | |
0, | |
0 | |
) | |
.on('click', function() { | |
if (creditsHref) { | |
location.href = creditsHref; | |
} | |
}) | |
.attr({ | |
align: credits.position.align, | |
zIndex: 8 | |
}) | |
.css(credits.style) | |
.add() | |
.align(credits.position); | |
} | |
placeTrackerGroup(); | |
// Set flag | |
chart.hasRendered = true; | |
// If the chart was rendered outside the top container, put it back in | |
if (renderToClone) { | |
renderTo.appendChild(container); | |
discardElement(renderToClone); | |
//updatePosition(container); | |
} | |
} | |
/** | |
* Clean up memory usage | |
*/ | |
function destroy() { | |
var start = + new Date(); | |
var i = series.length, | |
parentNode = container && container.parentNode; | |
// fire the chart.destoy event | |
fireEvent(chart, 'destroy'); | |
// remove events | |
removeEvent(win, 'unload', destroy); | |
removeEvent(chart); | |
each(axes, function(axis) { | |
removeEvent(axis); | |
}); | |
// destroy each series | |
while (i--) { | |
series[i].destroy(); | |
} | |
// remove container and all SVG | |
if (container) { // can break in IE when destroyed before finished loading | |
container.innerHTML = ''; | |
removeEvent(container); | |
if (parentNode) { | |
parentNode.removeChild(container); | |
} | |
// IE6 leak | |
container = null; | |
} | |
// IE7 leak | |
if (renderer) { // can break in IE when destroyed before finished loading | |
renderer.alignedObjects = null; | |
} | |
// memory and CPU leak | |
clearInterval(tooltipInterval); | |
// clean it all up | |
for (i in chart) { | |
delete chart[i]; | |
} | |
//logTime && console.log('Destroyed chart in '+ (new Date() - start) +' ms'); | |
} | |
/** | |
* Prepare for first rendering after all data are loaded | |
*/ | |
function firstRender() { | |
// VML namespaces can't be added until after complete. Listening | |
// for Perini's doScroll hack is not enough. | |
var ONREADYSTATECHANGE = 'onreadystatechange', | |
COMPLETE = 'complete'; | |
// Note: in spite of JSLint's complaints, win == win.top is required | |
if (!hasSVG && win == win.top && doc.readyState !== COMPLETE) { | |
doc.attachEvent(ONREADYSTATECHANGE, function() { | |
doc.detachEvent(ONREADYSTATECHANGE, firstRender); | |
if (doc.readyState === COMPLETE) { | |
firstRender(); | |
} | |
}); | |
return; | |
} | |
// create the container | |
getContainer(); | |
// Run an early event after the container and renderer are established | |
fireEvent(chart, 'init'); | |
// Initialize range selector for stock charts | |
if (RangeSelector && options.rangeSelector.enabled) { | |
chart.rangeSelector = new RangeSelector(chart); | |
} | |
resetMargins(); | |
setChartSize(); | |
// Initialize the series | |
each(options.series || [], function(serieOptions) { | |
initSeries(serieOptions); | |
}); | |
// Set the common inversion and transformation for inverted series after initSeries | |
chart.inverted = inverted = pick(inverted, options.chart.inverted); | |
// get axes | |
getAxes(); | |
// Run an event where series and axes can be added | |
//fireEvent(chart, 'beforeRender'); | |
// Initialize scroller for stock charts | |
if (Scroller && options.navigator.enabled || options.scrollbar.enabled) { | |
chart.scroller = new Scroller(chart); | |
} | |
chart.render = render; | |
// depends on inverted and on margins being set | |
chart.tracker = tracker = new MouseTracker(chart, options.tooltip); | |
render(); | |
// run callbacks | |
if (callback) { | |
callback.apply(chart, [chart]); | |
} | |
each(chart.callbacks, function(fn) { | |
fn.apply(chart, [chart]); | |
}); | |
fireEvent(chart, 'load'); | |
} | |
// Run chart | |
// Destroy the chart and free up memory. | |
addEvent(win, 'unload', destroy); | |
// Set up auto resize | |
if (optionsChart.reflow !== false) { | |
addEvent(chart, 'load', initReflow); | |
} | |
// Chart event handlers | |
if (chartEvents) { | |
for (eventType in chartEvents) { | |
addEvent(chart, eventType, chartEvents[eventType]); | |
} | |
} | |
chart.options = options; | |
chart.series = series; | |
chart.xAxis = []; | |
chart.yAxis = []; | |
// Expose methods and variables | |
chart.addSeries = addSeries; | |
chart.animation = pick(optionsChart.animation, true); | |
chart.Axis = Axis; | |
chart.destroy = destroy; | |
chart.get = get; | |
chart.getSelectedPoints = getSelectedPoints; | |
chart.getSelectedSeries = getSelectedSeries; | |
chart.hideLoading = hideLoading; | |
chart.initSeries = initSeries; | |
chart.isInsidePlot = isInsidePlot; | |
chart.redraw = redraw; | |
chart.setSize = resize; | |
chart.setTitle = setTitle; | |
chart.showLoading = showLoading; | |
chart.pointCount = 0; | |
chart.counters = new ChartCounters(); | |
firstRender(); | |
} // end Chart | |
// Hook for exporting module | |
Chart.prototype.callbacks = []; | |
/** | |
* The Point object and prototype. Inheritable and used as base for PiePoint | |
*/ | |
var Point = function() {}; | |
Point.prototype = { | |
/** | |
* Initialize the point | |
* @param {Object} series The series object containing this point | |
* @param {Object} options The data in either number, array or object format | |
*/ | |
init: function(series, options, x) { | |
var point = this, | |
counters = series.chart.counters, | |
defaultColors; | |
point.series = series; | |
point.applyOptions(options, x); | |
point.pointAttr = {}; | |
if (series.options.colorByPoint) { | |
defaultColors = series.chart.options.colors; | |
if (!point.options) { | |
point.options = {}; | |
} | |
point.color = point.options.color = point.color || defaultColors[counters.color++]; | |
// loop back to zero | |
counters.wrapColor(defaultColors.length); | |
} | |
series.chart.pointCount++; | |
return point; | |
}, | |
/** | |
* Apply the options containing the x and y data and possible some extra properties. | |
* This is called on point init or from point.update. | |
* | |
* @param {Object} options | |
*/ | |
applyOptions: function(options, x) { | |
var point = this, | |
series = point.series, | |
optionsType = typeof options; | |
point.config = options; | |
// onedimensional array input | |
if (optionsType === 'number' || options === null) { | |
point.y = options; | |
} | |
// two-dimentional array | |
else if (typeof options[0] === 'number') { | |
point.x = options[0]; | |
point.y = options[1]; | |
} | |
// object input | |
else if (optionsType === 'object' && typeof options.length !== 'number') { | |
// copy options directly to point | |
extend(point, options); | |
point.options = options; | |
} | |
// categorized data with name in first position | |
else if (typeof options[0] === 'string') { | |
point.name = options[0]; | |
point.y = options[1]; | |
} | |
/* | |
* If no x is set by now, get auto incremented value. All points must have an | |
* x value, however the y value can be null to create a gap in the series | |
*/ | |
// todo: skip this? It is only used in applyOptions, in translate it should not be used | |
if (point.x === UNDEFINED) { | |
point.x = x === UNDEFINED ? series.autoIncrement() : x; | |
} | |
}, | |
/** | |
* Destroy a point to clear memory. Its reference still stays in series.data. | |
*/ | |
destroy: function() { | |
var point = this, | |
series = point.series, | |
prop; | |
series.chart.pointCount--; | |
if (point === series.chart.hoverPoint) { | |
point.onMouseOut(); | |
} | |
series.chart.hoverPoints = null; // remove reference | |
// remove all events | |
if (point.graphic) { // removeEvent and destroyElements are performance expensive | |
removeEvent(point); | |
point.destroyElements(); | |
} | |
if (point.legendItem) { // pies have legend items | |
point.series.chart.legend.destroyItem(point); | |
} | |
for (prop in point) { | |
point[prop] = null; | |
} | |
}, | |
/** | |
* Destroy SVG elements associated with the point | |
*/ | |
destroyElements: function() { | |
var point = this, | |
props = ['graphic', 'tracker', 'dataLabel', 'group', 'connector'], | |
prop, | |
i = 5; | |
while (i--) { | |
prop = props[i]; | |
if (point[prop]) { | |
point[prop] = point[prop].destroy(); | |
} | |
} | |
}, | |
/** | |
* Return the configuration hash needed for the data label and tooltip formatters | |
*/ | |
getLabelConfig: function() { | |
var point = this; | |
return { | |
x: point.category, | |
y: point.y, | |
series: point.series, | |
point: point, | |
percentage: point.percentage, | |
total: point.total || point.stackTotal | |
}; | |
}, | |
/** | |
* Toggle the selection status of a point | |
* @param {Boolean} selected Whether to select or unselect the point. | |
* @param {Boolean} accumulate Whether to add to the previous selection. By default, | |
* this happens if the control key (Cmd on Mac) was pressed during clicking. | |
*/ | |
select: function(selected, accumulate) { | |
var point = this, | |
series = point.series, | |
chart = series.chart; | |
point.selected = selected = pick(selected, !point.selected); | |
//series.isDirty = true; | |
point.firePointEvent(selected ? 'select' : 'unselect'); | |
point.setState(selected && SELECT_STATE); | |
// unselect all other points unless Ctrl or Cmd + click | |
if (!accumulate) { | |
each(chart.getSelectedPoints(), function (loopPoint) { | |
if (loopPoint.selected && loopPoint !== point) { | |
loopPoint.selected = false; | |
loopPoint.setState(NORMAL_STATE); | |
loopPoint.firePointEvent('unselect'); | |
} | |
}); | |
} | |
}, | |
onMouseOver: function() { | |
var point = this, | |
series = point.series, | |
chart = series.chart, | |
tooltip = chart.tooltip, | |
hoverPoint = chart.hoverPoint; | |
// set normal state to previous series | |
if (hoverPoint && hoverPoint !== point) { | |
hoverPoint.onMouseOut(); | |
} | |
// trigger the event | |
point.firePointEvent('mouseOver'); | |
// update the tooltip | |
if (tooltip && (!tooltip.shared || series.noSharedTooltip)) { | |
tooltip.refresh(point); | |
} | |
// hover this | |
point.setState(HOVER_STATE); | |
chart.hoverPoint = point; | |
}, | |
onMouseOut: function() { | |
var point = this; | |
point.firePointEvent('mouseOut'); | |
point.setState(); | |
point.series.chart.hoverPoint = null; | |
}, | |
/** | |
* Extendable method for formatting each point's tooltip line | |
* | |
* @param {Boolean} useHeader Whether a common header is used for multiple series in the tooltip | |
* | |
* @return {String} A string to be concatenated in to the common tooltip text | |
*/ | |
tooltipFormatter: function(useHeader) { | |
var point = this, | |
series = point.series; | |
return ['<span style="color:'+ series.color +'">', (point.name || series.name), '</span>: ', | |
(!useHeader ? ('<b>x = '+ (point.name || point.x) + ',</b> ') : ''), | |
'<b>', (!useHeader ? 'y = ' : '' ), point.y, '</b>'].join(''); | |
}, | |
/** | |
* Update the point with new options (typically x/y data) and optionally redraw the series. | |
* | |
* @param {Object} options Point options as defined in the series.data array | |
* @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call | |
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation | |
* configuration | |
* | |
*/ | |
update: function(options, redraw, animation) { | |
var point = this, | |
series = point.series, | |
dataLabel = point.dataLabel, | |
graphic = point.graphic, | |
i, | |
data = series.data, | |
dataLength = data.length, | |
chart = series.chart; | |
redraw = pick(redraw, true); | |
// fire the event with a default handler of doing the update | |
point.firePointEvent('update', { options: options }, function() { | |
point.applyOptions(options); | |
// update visuals | |
if (isObject(options)) { | |
series.getAttribs(); | |
if (graphic) { | |
graphic.attr(point.pointAttr[series.state]); | |
} | |
} | |
// record changes in the parallel arrays | |
for (i = 0; i < dataLength; i++) { | |
if (data[i] === point) { | |
series.xData[i] = point.x; | |
series.yData[i] = point.y; | |
series.options.data[i] = options; | |
break; | |
} | |
} | |
// redraw | |
series.isDirty = true; | |
series.isDirtyData = true; | |
if (redraw) { | |
chart.redraw(animation); | |
} | |
}); | |
}, | |
/** | |
* Remove a point and optionally redraw the series and if necessary the axes | |
* @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call | |
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation | |
* configuration | |
*/ | |
remove: function(redraw, animation) { | |
var point = this, | |
series = point.series, | |
chart = series.chart, | |
i, | |
data = series.data, | |
dataLength = data.length; | |
setAnimation(animation, chart); | |
redraw = pick(redraw, true); | |
// fire the event with a default handler of removing the point | |
point.firePointEvent('remove', null, function() { | |
//erase(series.data, point); | |
for (i = 0; i < dataLength; i++) { | |
if (data[i] === point) { | |
// splice all the parallel arrays | |
data.splice(i, 1); | |
series.options.data.splice(i, 1); | |
series.xData.splice(i, 1); | |
series.yData.splice(i, 1); | |
break; | |
} | |
} | |
point.destroy(); | |
// redraw | |
series.isDirty = true; | |
series.isDirtyData = true; | |
if (redraw) { | |
chart.redraw(); | |
} | |
}); | |
}, | |
/** | |
* Fire an event on the Point object. Must not be renamed to fireEvent, as this | |
* causes a name clash in MooTools | |
* @param {String} eventType | |
* @param {Object} eventArgs Additional event arguments | |
* @param {Function} defaultFunction Default event handler | |
*/ | |
firePointEvent: function(eventType, eventArgs, defaultFunction) { | |
var point = this, | |
series = this.series, | |
seriesOptions = series.options; | |
// load event handlers on demand to save time on mouseover/out | |
if (seriesOptions.point.events[eventType] || ( | |
point.options && point.options.events && point.options.events[eventType])) { | |
this.importEvents(); | |
} | |
// add default handler if in selection mode | |
if (eventType === 'click' && seriesOptions.allowPointSelect) { | |
defaultFunction = function (event) { | |
// Control key is for Windows, meta (= Cmd key) for Mac, Shift for Opera | |
point.select(null, event.ctrlKey || event.metaKey || event.shiftKey); | |
}; | |
} | |
fireEvent(this, eventType, eventArgs, defaultFunction); | |
}, | |
/** | |
* Import events from the series' and point's options. Only do it on | |
* demand, to save processing time on hovering. | |
*/ | |
importEvents: function() { | |
if (!this.hasImportedEvents) { | |
var point = this, | |
options = merge(point.series.options.point, point.options), | |
events = options.events, | |
eventType; | |
point.events = events; | |
for (eventType in events) { | |
addEvent(point, eventType, events[eventType]); | |
} | |
this.hasImportedEvents = true; | |
} | |
}, | |
/** | |
* Set the point's state | |
* @param {String} state | |
*/ | |
setState: function(state) { | |
var point = this, | |
series = point.series, | |
stateOptions = series.options.states, | |
markerOptions = defaultPlotOptions[series.type].marker && series.options.marker, | |
normalDisabled = markerOptions && !markerOptions.enabled, | |
markerStateOptions = markerOptions && markerOptions.states[state], | |
stateDisabled = markerStateOptions && markerStateOptions.enabled === false, | |
stateMarkerGraphic = series.stateMarkerGraphic, | |
chart = series.chart, | |
radius, | |
pointAttr = point.pointAttr; | |
state = state || NORMAL_STATE; // empty string | |
if ( | |
// already has this state | |
state === point.state || | |
// selected points don't respond to hover | |
(point.selected && state !== SELECT_STATE) || | |
// series' state options is disabled | |
(stateOptions[state] && stateOptions[state].enabled === false) || | |
// point marker's state options is disabled | |
(state && (stateDisabled || (normalDisabled && !markerStateOptions.enabled))) | |
) { | |
return; | |
} | |
// apply hover styles to the existing point | |
if (point.graphic) { | |
point.graphic.attr(pointAttr[state]); | |
} | |
// if a graphic is not applied to each point in the normal state, create a shared | |
// graphic for the hover state | |
else { | |
if (state) { | |
if (!stateMarkerGraphic) { | |
radius = markerOptions.radius; | |
series.stateMarkerGraphic = stateMarkerGraphic = chart.renderer.symbol( | |
series.symbol, | |
- radius, | |
- radius, | |
2 * radius, | |
2 * radius | |
) | |
.attr(pointAttr[state]) | |
.add(series.group); | |
} | |
stateMarkerGraphic.translate( | |
point.plotX, | |
point.plotY | |
); | |
} | |
if (stateMarkerGraphic) { | |
stateMarkerGraphic[state ? 'show' : 'hide'](); | |
} | |
} | |
point.state = state; | |
} | |
}; | |
/** | |
* @classDescription The base function which all other series types inherit from. The data in the series is stored | |
* in various arrays. | |
* | |
* - First, series.options.data contains all the original config options for | |
* each point whether added by options or methods like series.addPoint. | |
* - Next, series.data contains those values converted to points, but in case the series data length | |
* exceeds the cropThreshold, or if the data is grouped, series.data doesn't contain all the points. It | |
* only contains the points that have been created on demand. | |
* - Then there's series.points that contains all currently visible point objects. In case of cropping, | |
* the cropped-away points are not part of this array. The series.points array starts at series.cropStart | |
* compared to series.data and series.options.data. If however the series data is grouped, these can't | |
* be correlated one to one. | |
* - series.xData and series.processedXData contain clean x values, equivalent to series.data and series.points. | |
* - series.yData and series.processedYData contain clean x values, equivalent to series.data and series.points. | |
* | |
* @param {Object} chart | |
* @param {Object} options | |
*/ | |
var Series = function() {}; | |
Series.prototype = { | |
isCartesian: true, | |
type: 'line', | |
pointClass: Point, | |
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options | |
stroke: 'lineColor', | |
'stroke-width': 'lineWidth', | |
fill: 'fillColor', | |
r: 'radius' | |
}, | |
init: function(chart, options) { | |
var series = this, | |
eventType, | |
events, | |
//pointEvent, | |
index = chart.series.length; | |
series.chart = chart; | |
options = series.setOptions(options); // merge with plotOptions | |
// set some variables | |
extend(series, { | |
index: index, | |
options: options, | |
name: options.name || 'Series '+ (index + 1), | |
state: NORMAL_STATE, | |
pointAttr: {}, | |
visible: options.visible !== false, // true by default | |
selected: options.selected === true // false by default | |
}); | |
// register event listeners | |
events = options.events; | |
for (eventType in events) { | |
addEvent(series, eventType, events[eventType]); | |
} | |
if ( | |
(events && events.click) || | |
(options.point && options.point.events && options.point.events.click) || | |
options.allowPointSelect | |
) { | |
chart.runTrackerClick = true; | |
} | |
series.getColor(); | |
series.getSymbol(); | |
// set the data | |
series.setData(options.data, false); | |
}, | |
/** | |
* Return an auto incremented x value based on the pointStart and pointInterval options. | |
* This is only used if an x value is not given for the point that calls autoIncrement. | |
*/ | |
autoIncrement: function() { | |
var series = this, | |
options = series.options, | |
xIncrement = series.xIncrement; | |
xIncrement = pick(xIncrement, options.pointStart, 0); | |
series.pointInterval = pick(series.pointInterval, options.pointInterval, 1); | |
series.xIncrement = xIncrement + series.pointInterval; | |
return xIncrement; | |
}, | |
/** | |
* Divide the series data into segments divided by null values. | |
*/ | |
getSegments: function() { | |
var lastNull = -1, | |
segments = [], | |
points = this.points; | |
var start = + new Date(); | |
// create the segments | |
each(points, function(point, i) { | |
if (point.y === null) { | |
if (i > lastNull + 1) { | |
segments.push(points.slice(lastNull + 1, i)); | |
} | |
lastNull = i; | |
} else if (i === points.length - 1) { // last value | |
segments.push(points.slice(lastNull + 1, i + 1)); | |
} | |
}); | |
this.segments = segments; | |
}, | |
/** | |
* Set the series options by merging from the options tree | |
* @param {Object} itemOptions | |
*/ | |
setOptions: function(itemOptions) { | |
var plotOptions = this.chart.options.plotOptions, | |
data = itemOptions.data, | |
options; | |
itemOptions.data = null; // remove from merge to prevent looping over the data set | |
options = merge( | |
plotOptions[this.type], | |
plotOptions.series, | |
itemOptions | |
); | |
options.data = data; | |
return options; | |
}, | |
/** | |
* Get the series' color | |
*/ | |
getColor: function(){ | |
var defaultColors = this.chart.options.colors, | |
counters = this.chart.counters; | |
this.color = this.options.color || defaultColors[counters.color++] || '#0000ff'; | |
counters.wrapColor(defaultColors.length); | |
}, | |
/** | |
* Get the series' symbol | |
*/ | |
getSymbol: function(){ | |
var defaultSymbols = this.chart.options.symbols, | |
counters = this.chart.counters; | |
this.symbol = this.options.marker.symbol || defaultSymbols[counters.symbol++]; | |
counters.wrapSymbol(defaultSymbols.length); | |
}, | |
/** | |
* Add a point dynamically after chart load time | |
* @param {Object} options Point options as given in series.data | |
* @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call | |
* @param {Boolean} shift If shift is true, a point is shifted off the start | |
* of the series as one is appended to the end. | |
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation | |
* configuration | |
*/ | |
addPoint: function(options, redraw, shift, animation) { | |
var series = this, | |
data = series.data, | |
graph = series.graph, | |
area = series.area, | |
chart = series.chart, | |
xData = series.xData, | |
yData = series.yData, | |
currentShift = 0, | |
dataOptions = series.options.data, | |
point; | |
//point = (new series.pointClass()).init(series, options); | |
setAnimation(animation, chart); | |
if (graph && shift) { // make graph animate sideways | |
graph.shift = currentShift + 1; | |
} | |
if (area) { | |
area.shift = currentShift + 1; | |
area.isArea = true; | |
} | |
redraw = pick(redraw, true); | |
// Get options and push the point to xData, yData and series.options. In series.generatePoints | |
// the Point instance will be created on demand and pushed to the series.data array. | |
point = { series: series }; | |
series.pointClass.prototype.applyOptions.apply(point, [options]); | |
xData.push(point.x); | |
yData.push(point.y); | |
dataOptions.push(options); | |
// Shift the first point off the parallel arrays | |
// todo: consider series.removePoint(i) method | |
if (shift) { | |
if (data[0]) { | |
data[0].remove(false); | |
} else { | |
data.shift(); | |
xData.shift(); | |
yData.shift(); | |
dataOptions.shift(); | |
} | |
} | |
series.getAttribs(); | |
// redraw | |
series.isDirty = true; | |
series.isDirtyData = true; | |
if (redraw) { | |
chart.redraw(); | |
} | |
}, | |
/** | |
* Replace the series data with a new set of data | |
* @param {Object} data | |
* @param {Object} redraw | |
*/ | |
setData: function(data, redraw) { | |
var series = this, | |
oldData = series.points, | |
options = series.options, | |
initialColor = series.initialColor, | |
chart = series.chart, | |
i; | |
series.xIncrement = null; // reset for new data | |
if (defined(initialColor)) { // reset colors for pie | |
chart.counters.color = initialColor; | |
} | |
// parallel arrays | |
var xData = [], | |
yData = [], | |
dataLength = data.length, | |
turboThreshold = options.turboThreshold || 1000, | |
pt; | |
// In turbo mode, only one- or twodimensional arrays of numbers are allowed. The | |
// first value is tested, and we assume that all the rest are defined the same | |
// way. Although the 'for' loops are similar, they are repeated inside each | |
// if-else conditional for max performance. | |
if (dataLength > turboThreshold) { | |
if (isNumber(data[0])) { // assume all points are numbers | |
var x = pick(options.pointStart, 0), | |
pointInterval = pick(options.pointInterval, 1); | |
for (i = 0; i < dataLength; i++) { | |
xData[i] = x; | |
yData[i] = data[i]; | |
x += pointInterval; | |
} | |
series.xIncrement = x; | |
} else if (data[0].constructor === Array) { // assume all points are arrays | |
if (series.valueCount === 4) { // [x, o, h, l, c] | |
for (i = 0; i < dataLength; i++) { | |
pt = data[i]; | |
xData[i] = pt[0]; | |
yData[i] = pt.slice(1, 5); | |
} | |
} else { // [x, y] | |
for (i = 0; i < dataLength; i++) { | |
pt = data[i]; | |
xData[i] = pt[0]; | |
yData[i] = pt[1]; | |
} | |
} | |
} | |
} else { | |
for (i = 0; i < dataLength; i++) { | |
pt = { series: series }; | |
series.pointClass.prototype.applyOptions.apply(pt, [data[i]]); | |
xData[i] = pt.x; | |
yData[i] = pt.y; | |
} | |
} | |
series.data = null; | |
series.options.data = data; | |
series.xData = xData; | |
series.yData = yData; | |
// destroy old points | |
i = (oldData && oldData.length) || 0; | |
while (i--) { | |
oldData[i].destroy(); | |
} | |
// redraw | |
series.isDirty = series.isDirtyData = chart.isDirtyBox = true; | |
if (pick(redraw, true)) { | |
chart.redraw(false); | |
} | |
}, | |
/** | |
* Remove a series and optionally redraw the chart | |
* | |
* @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call | |
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation | |
* configuration | |
*/ | |
remove: function(redraw, animation) { | |
var series = this, | |
chart = series.chart; | |
redraw = pick(redraw, true); | |
if (!series.isRemoving) { /* prevent triggering native event in jQuery | |
(calling the remove function from the remove event) */ | |
series.isRemoving = true; | |
// fire the event with a default handler of removing the point | |
fireEvent(series, 'remove', null, function() { | |
// destroy elements | |
series.destroy(); | |
// redraw | |
chart.isDirtyLegend = chart.isDirtyBox = true; | |
if (redraw) { | |
chart.redraw(animation); | |
} | |
}); | |
} | |
series.isRemoving = false; | |
}, | |
/** | |
* Process the data by cropping away unused data points if the series is longer | |
* than the crop threshold. This saves computing time for lage series. | |
*/ | |
processData: function() { | |
var series = this, | |
processedXData = series.xData, // copied during slice operation below | |
processedYData = series.yData, | |
dataLength = processedXData.length, | |
cropStart = 0, | |
i, // loop variable | |
cropThreshold = series.options.cropThreshold; // todo: consider combining it with turboThreshold | |
// optionally filter out points outside the plot area | |
if (!cropThreshold || dataLength > cropThreshold) { | |
var extremes = series.xAxis.getExtremes(), | |
min = extremes.min, | |
max = extremes.max, | |
cropEnd = dataLength - 1, | |
point; | |
// only crop if it's actually spilling out | |
if (processedXData[0] < min || processedXData[cropEnd] > max) { | |
// iterate up to find slice start | |
for (i = 0; i < dataLength; i++) { | |
if (processedXData[i] >= min) { | |
cropStart = mathMax(0, i - 1); | |
break; | |
} | |
} | |
// proceed to find slice end | |
for (i; i < dataLength; i++) { | |
if (processedXData[i] > max) { | |
cropEnd = i + 1; | |
break; | |
} | |
} | |
processedXData = processedXData.slice(cropStart, cropEnd); | |
processedYData = processedYData.slice(cropStart, cropEnd); | |
} | |
} | |
series.cropStart = cropStart; | |
series.processedXData = processedXData; | |
series.processedYData = processedYData; | |
}, | |
/** | |
* Generate the data point after the data has been processed by cropping away | |
* unused points and optionally grouped in Highcharts Stock. | |
*/ | |
generatePoints: function() { | |
var series = this, | |
options = series.options, | |
dataOptions = options.data, | |
hasProcessedData = series.prosessedXData !== series.xData, | |
data = series.data, | |
dataLength, | |
processedXData = series.processedXData, | |
processedYData = series.processedYData, | |
pointClass = series.pointClass, | |
processedDataLength = processedXData.length, | |
cropStart = series.cropStart || 0, | |
cursor, | |
hasGroupedData = series.hasGroupedData, | |
point, | |
points = [], | |
i; | |
if (!data && !hasGroupedData) { | |
var arr = []; | |
arr.length = dataOptions.length; | |
data = series.data = arr; | |
} | |
for (i = 0; i < processedDataLength; i++) { | |
cursor = cropStart + i; | |
if (!hasGroupedData) { | |
if (data[cursor]) { | |
point = data[cursor]; | |
} else { | |
data[cursor] = point = (new pointClass()).init(series, dataOptions[cursor], processedXData[i]); | |
} | |
points[i] = point; | |
} else { | |
// splat the y data in case of ohlc data array | |
points[i] = (new pointClass()).init(series, [processedXData[i]].concat(splat(processedYData[i]))); | |
} | |
} | |
// hide cropped-away points - this only runs when the number of points is above cropThreshold | |
if (data && processedDataLength !== (dataLength = data.length)) { | |
for (i = 0; i < dataLength; i++) { | |
if (i === cropStart && !hasGroupedData) { // when has grouped data, clear all points | |
i += processedDataLength; | |
} | |
if (data[i]) { | |
data[i].destroyElements(); | |
} | |
} | |
} | |
series.data = data; | |
series.points = points; | |
}, | |
/** | |
* Translate data points from raw data values to chart specific positioning data | |
* needed later in drawPoints, drawGraph and drawTracker. | |
*/ | |
translate: function() { | |
if (!this.processedXData) { // hidden series | |
this.processData(); | |
} | |
this.generatePoints(); | |
var series = this, | |
chart = series.chart, | |
options = series.options, | |
stacking = options.stacking, | |
xAxis = series.xAxis, | |
categories = xAxis.categories, | |
yAxis = series.yAxis, | |
points = series.points, | |
//data = series.data, | |
//dataLength = data.length, | |
//point, | |
//xData = series.processedXData || series.xData, | |
//yData = series.processedYData || series.yData, | |
dataLength = points.length, | |
//closestPoints, | |
//smallestInterval, | |
leastDistance = xAxis.leastDistance, | |
interval, | |
i, | |
cropI = -1; | |
for (i = 0; i < dataLength; i++) { | |
var point = points[i], | |
xValue = point.x, | |
yValue = point.y, | |
yBottom = point.low, | |
stack = yAxis.stacks[(yValue < 0 ? '-' : '') + series.stackKey], | |
pointStack, | |
distance, | |
pointStackTotal; | |
// get the plotX translation | |
point.plotX = series.xAxis.translate(xValue); | |
// calculate the bottom y value for stacked series | |
if (stacking && series.visible && stack && stack[xValue]) { | |
pointStack = stack[xValue]; | |
pointStackTotal = pointStack.total; | |
pointStack.cum = yBottom = pointStack.cum - yValue; // start from top | |
yValue = yBottom + yValue; | |
if (stacking === 'percent') { | |
yBottom = pointStackTotal ? yBottom * 100 / pointStackTotal : 0; | |
yValue = pointStackTotal ? yValue * 100 / pointStackTotal : 0; | |
} | |
point.percentage = pointStackTotal ? point.y * 100 / pointStackTotal : 0; | |
point.stackTotal = pointStackTotal; | |
} | |
if (defined(yBottom)) { | |
point.yBottom = yAxis.translate(yBottom, 0, 1, 0, 1); | |
} | |
// set the y value | |
if (yValue !== null) { | |
point.plotY = yAxis.translate(yValue, 0, 1, 0, 1); | |
} | |
// set client related positions for mouse tracking | |
point.clientX = chart.inverted ? | |
chart.plotHeight - point.plotX : | |
point.plotX; // for mouse tracking | |
// some API data | |
point.category = categories && categories[point.x] !== UNDEFINED ? | |
categories[point.x] : point.x; | |
// get the smallest distance between points for columns | |
if (series.getDistance && i) { | |
distance = mathAbs(point.plotX - points[i - 1].plotX); | |
leastDistance = leastDistance === UNDEFINED ? distance : mathMin(distance, leastDistance); | |
} | |
} | |
xAxis.leastDistance = leastDistance; | |
// now that we have the cropped data, build the segments | |
series.getSegments(); | |
}, | |
/** | |
* Memoize tooltip texts and positions | |
*/ | |
setTooltipPoints: function (renew) { | |
var series = this, | |
chart = series.chart, | |
inverted = chart.inverted, | |
points = [], | |
pointsLength, | |
plotSize = mathRound((inverted ? chart.plotTop : chart.plotLeft) + chart.plotSizeX), | |
low, | |
high, | |
xAxis = series.xAxis, | |
point, | |
i, | |
tooltipPoints = []; // a lookup array for each pixel in the x dimension | |
// renew | |
if (renew) { | |
series.tooltipPoints = null; | |
} | |
// concat segments to overcome null values | |
each(series.segments || series.points, function(segment){ | |
points = points.concat(segment); | |
}); | |
// loop the concatenated points and apply each point to all the closest | |
// pixel positions | |
if (xAxis && xAxis.reversed) { | |
points = points.reverse();//reverseArray(points); | |
} | |
//each(points, function(point, i) { | |
pointsLength = points.length; | |
for (i = 0; i < pointsLength; i++) { | |
point = points[i]; | |
low = points[i - 1] ? points[i - 1]._high + 1 : 0; | |
high = point._high = points[i + 1] ? ( | |
mathFloor((point.plotX + (points[i + 1] ? | |
points[i + 1].plotX : plotSize)) / 2)) : | |
plotSize; | |
while (low <= high) { | |
tooltipPoints[inverted ? plotSize - low++ : low++] = point; | |
} | |
} | |
series.tooltipPoints = tooltipPoints; | |
}, | |
/** | |
* Series mouse over handler | |
*/ | |
onMouseOver: function() { | |
var series = this, | |
chart = series.chart, | |
hoverSeries = chart.hoverSeries; | |
if (!hasTouch && chart.mouseIsDown) { | |
return; | |
} | |
// set normal state to previous series | |
if (hoverSeries && hoverSeries !== series) { | |
hoverSeries.onMouseOut(); | |
} | |
// trigger the event, but to save processing time, | |
// only if defined | |
if (series.options.events.mouseOver) { | |
fireEvent(series, 'mouseOver'); | |
} | |
// hover this | |
series.setState(HOVER_STATE); | |
chart.hoverSeries = series; | |
}, | |
/** | |
* Series mouse out handler | |
*/ | |
onMouseOut: function() { | |
// trigger the event only if listeners exist | |
var series = this, | |
options = series.options, | |
chart = series.chart, | |
tooltip = chart.tooltip, | |
hoverPoint = chart.hoverPoint; | |
// trigger mouse out on the point, which must be in this series | |
if (hoverPoint) { | |
hoverPoint.onMouseOut(); | |
} | |
// fire the mouse out event | |
if (series && options.events.mouseOut) { | |
fireEvent(series, 'mouseOut'); | |
} | |
// hide the tooltip | |
if (tooltip && !options.stickyTracking) { | |
tooltip.hide(); | |
} | |
// set normal state | |
series.setState(); | |
chart.hoverSeries = null; | |
}, | |
/** | |
* Animate in the series | |
*/ | |
animate: function(init) { | |
var series = this, | |
chart = series.chart, | |
clipRect = series.clipRect, | |
animation = series.options.animation; | |
if (animation && !isObject(animation)) { | |
animation = {}; | |
} | |
if (init) { // initialize the animation | |
if (!clipRect.isAnimating) { // apply it only for one of the series | |
clipRect.attr( 'width', 0 ); | |
clipRect.isAnimating = true; | |
} | |
} else { // run the animation | |
clipRect.animate({ | |
width: chart.plotSizeX | |
}, animation); | |
// delete this function to allow it only once | |
this.animate = null; | |
} | |
}, | |
/** | |
* Draw the markers | |
*/ | |
drawPoints: function(){ | |
var series = this, | |
pointAttr, | |
points = series.points, | |
chart = series.chart, | |
plotX, | |
plotY, | |
i, | |
point, | |
radius, | |
graphic; | |
if (series.options.marker.enabled) { | |
i = points.length; | |
while (i--) { | |
point = points[i]; | |
plotX = point.plotX; | |
plotY = point.plotY; | |
graphic = point.graphic; | |
// only draw the point if y is defined | |
if (plotY !== UNDEFINED && !isNaN(plotY)) { | |
// shortcuts | |
pointAttr = point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE]; | |
radius = pointAttr.r; | |
if (graphic) { // update | |
graphic.animate({ | |
x: plotX - radius, | |
y: plotY - radius, | |
width: 2 * radius, | |
height: 2 * radius | |
}); | |
} else { | |
point.graphic = chart.renderer.symbol( | |
pick(point.marker && point.marker.symbol, series.symbol), | |
plotX - radius, | |
plotY - radius, | |
2 * radius, | |
2 * radius | |
) | |
.attr(pointAttr) | |
.add(series.group); | |
} | |
} | |
} | |
} | |
}, | |
/** | |
* Convert state properties from API naming conventions to SVG attributes | |
* | |
* @param {Object} options API options object | |
* @param {Object} base1 SVG attribute object to inherit from | |
* @param {Object} base2 Second level SVG attribute object to inherit from | |
*/ | |
convertAttribs: function(options, base1, base2, base3) { | |
var conversion = this.pointAttrToOptions, | |
attr, | |
option, | |
obj = {}; | |
options = options || {}; | |
base1 = base1 || {}; | |
base2 = base2 || {}; | |
base3 = base3 || {}; | |
for (attr in conversion) { | |
option = conversion[attr]; | |
obj[attr] = pick(options[option], base1[attr], base2[attr], base3[attr]); | |
} | |
return obj; | |
}, | |
/** | |
* Get the state attributes. Each series type has its own set of attributes | |
* that are allowed to change on a point's state change. Series wide attributes are stored for | |
* all series, and additionally point specific attributes are stored for all | |
* points with individual marker options. If such options are not defined for the point, | |
* a reference to the series wide attributes is stored in point.pointAttr. | |
*/ | |
getAttribs: function() { | |
var series = this, | |
normalOptions = defaultPlotOptions[series.type].marker ? series.options.marker : series.options, | |
stateOptions = normalOptions.states, | |
stateOptionsHover = stateOptions[HOVER_STATE], | |
pointStateOptionsHover, | |
seriesColor = series.color, | |
normalDefaults = { | |
stroke: seriesColor, | |
fill: seriesColor | |
}, | |
points = series.points, | |
i, | |
point, | |
seriesPointAttr = [], | |
pointAttr, | |
pointAttrToOptions = series.pointAttrToOptions, | |
hasPointSpecificOptions, | |
key; | |
// series type specific modifications | |
if (series.options.marker) { // line, spline, area, areaspline, scatter | |
// if no hover radius is given, default to normal radius + 2 | |
stateOptionsHover.radius = stateOptionsHover.radius || normalOptions.radius + 2; | |
stateOptionsHover.lineWidth = stateOptionsHover.lineWidth || normalOptions.lineWidth + 1; | |
} else { // column, bar, pie | |
// if no hover color is given, brighten the normal color | |
stateOptionsHover.color = stateOptionsHover.color || | |
Color(stateOptionsHover.color || seriesColor) | |
.brighten(stateOptionsHover.brightness).get(); | |
} | |
// general point attributes for the series normal state | |
seriesPointAttr[NORMAL_STATE] = series.convertAttribs(normalOptions, normalDefaults); | |
// HOVER_STATE and SELECT_STATE states inherit from normal state except the default radius | |
each([HOVER_STATE, SELECT_STATE], function(state) { | |
seriesPointAttr[state] = | |
series.convertAttribs(stateOptions[state], seriesPointAttr[NORMAL_STATE]); | |
}); | |
// set it | |
series.pointAttr = seriesPointAttr; | |
// Generate the point-specific attribute collections if specific point | |
// options are given. If not, create a referance to the series wide point | |
// attributes | |
i = points.length; | |
while (i--) { | |
point = points[i]; | |
normalOptions = (point.options && point.options.marker) || point.options; | |
if (normalOptions && normalOptions.enabled === false) { | |
normalOptions.radius = 0; | |
} | |
hasPointSpecificOptions = false; | |
// check if the point has specific visual options | |
if (point.options) { | |
for (key in pointAttrToOptions) { | |
if (defined(normalOptions[pointAttrToOptions[key]])) { | |
hasPointSpecificOptions = true; | |
} | |
} | |
} | |
// a specific marker config object is defined for the individual point: | |
// create it's own attribute collection | |
if (hasPointSpecificOptions) { | |
pointAttr = []; | |
stateOptions = normalOptions.states || {}; // reassign for individual point | |
pointStateOptionsHover = stateOptions[HOVER_STATE] = stateOptions[HOVER_STATE] || {}; | |
// if no hover color is given, brighten the normal color | |
if (!series.options.marker) { // column, bar, point | |
pointStateOptionsHover.color = | |
Color(pointStateOptionsHover.color || point.options.color) | |
.brighten(pointStateOptionsHover.brightness || | |
stateOptionsHover.brightness).get(); | |
} | |
// normal point state inherits series wide normal state | |
pointAttr[NORMAL_STATE] = series.convertAttribs(normalOptions, seriesPointAttr[NORMAL_STATE]); | |
// inherit from point normal and series hover | |
pointAttr[HOVER_STATE] = series.convertAttribs( | |
stateOptions[HOVER_STATE], | |
seriesPointAttr[HOVER_STATE], | |
pointAttr[NORMAL_STATE] | |
); | |
// inherit from point normal and series hover | |
pointAttr[SELECT_STATE] = series.convertAttribs( | |
stateOptions[SELECT_STATE], | |
seriesPointAttr[SELECT_STATE], | |
pointAttr[NORMAL_STATE] | |
); | |
// no marker config object is created: copy a reference to the series-wide | |
// attribute collection | |
} else { | |
pointAttr = seriesPointAttr; | |
} | |
point.pointAttr = pointAttr; | |
} | |
}, | |
/** | |
* Clear DOM objects and free up memory | |
*/ | |
destroy: function() { | |
var series = this, | |
chart = series.chart, | |
//chartSeries = series.chart.series, | |
clipRect = series.clipRect, | |
issue134 = /\/5[0-9\.]+ (Safari|Mobile)\//.test(userAgent), // todo: update when Safari bug is fixed | |
destroy, | |
i, | |
data = series.data || [], | |
point, | |
prop; | |
// remove all events | |
removeEvent(series); | |
// remove legend items | |
if (series.legendItem) { | |
series.chart.legend.destroyItem(series); | |
} | |
// destroy all points with their elements | |
i = data.length; | |
while(i--) { | |
point = data[i]; | |
if (point && point.destroy) { | |
point.destroy(); | |
} | |
} | |
series.points = null; | |
// destroy all SVGElements associated to the series | |
each(['area', 'graph', 'dataLabelsGroup', 'group', 'tracker'], function(prop) { | |
if (series[prop]) { | |
// issue 134 workaround | |
destroy = issue134 && prop === 'group' ? | |
'hide' : | |
'destroy'; | |
series[prop][destroy](); | |
} | |
}); | |
// remove from hoverSeries | |
if (chart.hoverSeries === series) { | |
chart.hoverSeries = null; | |
} | |
erase(chart.series, series); | |
// clear all members | |
for (prop in series) { | |
delete series[prop]; | |
} | |
}, | |
/** | |
* Draw the data labels | |
*/ | |
drawDataLabels: function() { | |
if (this.options.dataLabels.enabled) { | |
var series = this, | |
x, | |
y, | |
points = series.points, | |
options = series.options.dataLabels, | |
str, | |
dataLabelsGroup = series.dataLabelsGroup, | |
chart = series.chart, | |
inverted = chart.inverted, | |
seriesType = series.type, | |
color, | |
stacking = series.options.stacking, | |
isBarLike = seriesType === 'column' || seriesType === 'bar', | |
vAlignIsNull = options.verticalAlign === null, | |
yIsNull = options.y === null; | |
if (isBarLike) { | |
if (stacking) { | |
// In stacked series the default label placement is inside the bars | |
if (vAlignIsNull) { | |
options = merge(options, {verticalAlign: 'middle'}); | |
} | |
// If no y delta is specified, try to create a good default | |
if (yIsNull) { | |
options = merge(options, {y: {top: 14, middle: 4, bottom: -6}[options.verticalAlign]}); | |
} | |
} else { | |
// In non stacked series the default label placement is on top of the bars | |
if (vAlignIsNull) { | |
options = merge(options, {verticalAlign: 'top'}); | |
} | |
// If no y delta is specified, set the default | |
if (yIsNull) { | |
options = merge(options, {y: -6}); | |
} | |
} | |
} | |
// create a separate group for the data labels to avoid rotation | |
if (!dataLabelsGroup) { | |
dataLabelsGroup = series.dataLabelsGroup = | |
chart.renderer.g('data-labels') | |
.attr({ | |
visibility: series.visible ? VISIBLE : HIDDEN, | |
zIndex: 6 | |
}) | |
.translate(chart.plotLeft, chart.plotTop) | |
.add(); | |
} | |
// determine the color | |
color = options.color; | |
if (color === 'auto') { // 1.0 backwards compatibility | |
color = null; | |
} | |
options.style.color = pick(color, series.color); | |
// make the labels for each point | |
each(points, function(point, i){ | |
var barX = point.barX, | |
plotX = (barX && barX + point.barW / 2) || point.plotX || -999, | |
plotY = pick(point.plotY, -999), | |
dataLabel = point.dataLabel, | |
align = options.align, | |
individualYDelta = yIsNull ? (point.y > 0 ? -6 : 12) : options.y; | |
// get the string | |
str = options.formatter.call(point.getLabelConfig()); | |
x = (inverted ? chart.plotWidth - plotY : plotX) + options.x; | |
y = (inverted ? chart.plotHeight - plotX : plotY) + individualYDelta; | |
// in columns, align the string to the column | |
if (seriesType === 'column') { | |
x += { left: -1, right: 1 }[align] * point.barW / 2 || 0; | |
} | |
// update existing label | |
if (dataLabel) { | |
// vertically centered | |
if (inverted && !options.y) { | |
y = y + pInt(dataLabel.styles.lineHeight) * 0.9 - dataLabel.getBBox().height / 2; | |
} | |
dataLabel | |
.attr({ | |
text: str | |
}).animate({ | |
x: x, | |
y: y | |
}); | |
// create new label | |
} else if (defined(str)) { | |
dataLabel = point.dataLabel = chart.renderer.text( | |
str, | |
x, | |
y | |
) | |
.attr({ | |
align: align, | |
rotation: options.rotation, | |
zIndex: 1 | |
}) | |
.css(options.style) | |
.add(dataLabelsGroup); | |
// vertically centered | |
if (inverted && !options.y) { | |
dataLabel.attr({ | |
y: y + pInt(dataLabel.styles.lineHeight) * 0.9 - dataLabel.getBBox().height / 2 | |
}); | |
} | |
} | |
if (isBarLike && series.options.stacking) { | |
var barY = point.barY, | |
barW = point.barW, | |
barH = point.barH; | |
dataLabel.align(options, null, | |
{ | |
x: inverted ? chart.plotWidth - barY - barH : barX, | |
y: inverted ? chart.plotHeight - barX - barW : barY, | |
width: inverted ? barH : barW, | |
height: inverted ? barW : barH | |
}); | |
} | |
}); | |
} | |
}, | |
/** | |
* Draw the actual graph | |
*/ | |
drawGraph: function(state) { | |
var series = this, | |
options = series.options, | |
chart = series.chart, | |
plotLeft = chart.plotLeft, | |
plotRight = plotLeft + chart.plotWidth, | |
graph = series.graph, | |
graphPath = [], | |
fillColor, | |
area = series.area, | |
group = series.group, | |
color = options.lineColor || series.color, | |
lineWidth = options.lineWidth, | |
dashStyle = options.dashStyle, | |
segmentPath, | |
renderer = chart.renderer, | |
translatedThreshold = series.yAxis.getThreshold(options.threshold), | |
useArea = /^area/.test(series.type), | |
singlePoints = [], // used in drawTracker | |
areaPath = [], | |
attribs; | |
// divide into segments and build graph and area paths | |
each(series.segments, function(segment) { | |
segmentPath = []; | |
// build the segment line | |
each(segment, function(point, i) { | |
if (series.getPointSpline) { // generate the spline as defined in the SplineSeries object | |
segmentPath.push.apply(segmentPath, series.getPointSpline(segment, point, i)); | |
} else { | |
// moveTo or lineTo | |
segmentPath.push(i ? L : M); | |
// step line? | |
if (i && options.step) { | |
var lastPoint = segment[i - 1]; | |
segmentPath.push( | |
point.plotX, | |
lastPoint.plotY | |
); | |
} | |
// normal line to next point | |
segmentPath.push( | |
point.plotX, | |
point.plotY | |
); | |
} | |
}); | |
// add the segment to the graph, or a single point for tracking | |
if (segment.length > 1) { | |
graphPath = graphPath.concat(segmentPath); | |
} else { | |
singlePoints.push(segment[0]); | |
} | |
// build the area | |
if (useArea) { | |
var areaSegmentPath = [], | |
i, | |
segLength = segmentPath.length; | |
for (i = 0; i < segLength; i++) { | |
areaSegmentPath.push(segmentPath[i]); | |
} | |
if (segLength === 3) { // for animation from 1 to two points | |
areaSegmentPath.push(L, segmentPath[1], segmentPath[2]); | |
} | |
if (options.stacking && series.type !== 'areaspline') { | |
// follow stack back. Todo: implement areaspline | |
for (i = segment.length - 1; i >= 0; i--) { | |
areaSegmentPath.push(segment[i].plotX, segment[i].yBottom); | |
} | |
} else { // follow zero line back | |
areaSegmentPath.push( | |
L, | |
segment[segment.length - 1].plotX, | |
translatedThreshold, | |
L, | |
segment[0].plotX, | |
translatedThreshold | |
); | |
} | |
areaPath = areaPath.concat(areaSegmentPath); | |
} | |
}); | |
// used in drawTracker: | |
series.graphPath = graphPath; | |
series.singlePoints = singlePoints; | |
// draw the area if area series or areaspline | |
if (useArea) { | |
fillColor = pick( | |
options.fillColor, | |
Color(series.color).setOpacity(options.fillOpacity || 0.75).get() | |
); | |
if (area) { | |
area.animate({ d: areaPath }); | |
} else { | |
// draw the area | |
series.area = series.chart.renderer.path(areaPath) | |
.attr({ | |
fill: fillColor | |
}).add(group); | |
} | |
} | |
// draw the graph | |
if (graph) { | |
//graph.animate({ d: graphPath.join(' ') }); | |
graph.animate({ d: graphPath }); | |
} else { | |
if (lineWidth) { | |
attribs = { | |
'stroke': color, | |
'stroke-width': lineWidth | |
}; | |
if (dashStyle) { | |
attribs.dashstyle = dashStyle; | |
} | |
series.graph = renderer.path(graphPath) | |
.attr(attribs).add(group).shadow(options.shadow); | |
} | |
} | |
}, | |
/** | |
* Render the graph and markers | |
*/ | |
render: function() { | |
var series = this, | |
chart = series.chart, | |
group, | |
setInvert, | |
options = series.options, | |
doClip = options.clip !== false, | |
animation = options.animation, | |
doAnimation = animation && series.animate, | |
duration = doAnimation ? (animation && animation.duration) || 500 : 0, | |
clipRect = series.clipRect, | |
renderer = chart.renderer; | |
// Add plot area clipping rectangle. If this is before chart.hasRendered, | |
// create one shared clipRect. | |
// Todo: since creating the clip property, the clipRect is created but | |
// never used when clip is false. A better way would be that the animation | |
// would run, then the clipRect destroyed. | |
if (!clipRect) { | |
clipRect = series.clipRect = !chart.hasRendered && chart.clipRect ? | |
chart.clipRect : | |
renderer.clipRect(0, 0, chart.plotSizeX, chart.plotSizeY); | |
if (!chart.clipRect) { | |
chart.clipRect = clipRect; | |
} | |
} | |
// the group | |
if (!series.group) { | |
group = series.group = renderer.g('series'); | |
if (chart.inverted) { | |
setInvert = function() { | |
group.attr({ | |
width: chart.plotWidth, | |
height: chart.plotHeight | |
}).invert(); | |
}; | |
setInvert(); // do it now | |
addEvent(chart, 'resize', setInvert); // do it on resize | |
} | |
if (doClip) { | |
group.clip(series.clipRect); | |
} | |
group.attr({ | |
visibility: series.visible ? VISIBLE : HIDDEN, | |
zIndex: options.zIndex | |
}) | |
.translate(series.xAxis.left, series.yAxis.top) | |
.add(chart.seriesGroup); | |
} | |
series.drawDataLabels(); | |
// initiate the animation | |
if (doAnimation) { | |
series.animate(true); | |
} | |
// cache attributes for shapes | |
series.getAttribs(); | |
// draw the graph if any | |
if (series.drawGraph) { | |
series.drawGraph(); | |
} | |
// draw the points | |
series.drawPoints(); | |
// draw the mouse tracking area | |
if (series.options.enableMouseTracking !== false) { | |
series.drawTracker(); | |
} | |
// run the animation | |
if (doAnimation) { | |
series.animate(); | |
} | |
// finish the individual clipRect | |
setTimeout(function() { | |
clipRect.isAnimating = false; | |
group = series.group; // can be destroyed during the timeout | |
if (group && clipRect !== chart.clipRect && clipRect.renderer) { | |
if (doClip) { | |
group.clip((series.clipRect = chart.clipRect)); | |
} | |
clipRect.destroy(); | |
} | |
}, duration); | |
series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see | |
}, | |
/** | |
* Redraw the series after an update in the axes. | |
*/ | |
redraw: function() { | |
var series = this, | |
chart = series.chart, | |
clipRect = series.clipRect, | |
group = series.group; | |
// reposition on resize | |
if (group) { | |
if (chart.inverted) { | |
group.attr({ | |
width: chart.plotWidth, | |
height: chart.plotHeight | |
}); | |
} | |
group.animate({ | |
translateX: series.xAxis.left, | |
translateY: series.yAxis.top | |
}); | |
} | |
series.translate(); | |
series.setTooltipPoints(true); | |
if (series.isDirtyData) { | |
fireEvent(series, 'updatedData'); | |
} | |
series.render(); | |
}, | |
/** | |
* Set the state of the graph | |
*/ | |
setState: function(state) { | |
var series = this, | |
options = series.options, | |
graph = series.graph, | |
stateOptions = options.states, | |
lineWidth = options.lineWidth; | |
state = state || NORMAL_STATE; | |
if (series.state !== state) { | |
series.state = state; | |
if (stateOptions[state] && stateOptions[state].enabled === false) { | |
return; | |
} | |
if (state) { | |
lineWidth = stateOptions[state].lineWidth || lineWidth + 1; | |
} | |
if (graph && !graph.dashstyle) { // hover is turned off for dashed lines in VML | |
graph.attr({ // use attr because animate will cause any other animation on the graph to stop | |
'stroke-width': lineWidth | |
}, state ? 0 : 500); | |
} | |
} | |
}, | |
/** | |
* Set the visibility of the graph | |
* | |
* @param vis {Boolean} True to show the series, false to hide. If UNDEFINED, | |
* the visibility is toggled. | |
*/ | |
setVisible: function(vis, redraw) { | |
var series = this, | |
chart = series.chart, | |
legendItem = series.legendItem, | |
seriesGroup = series.group, | |
seriesTracker = series.tracker, | |
dataLabelsGroup = series.dataLabelsGroup, | |
showOrHide, | |
i, | |
points = series.points, | |
point, | |
ignoreHiddenSeries = chart.options.chart.ignoreHiddenSeries, | |
oldVisibility = series.visible; | |
// if called without an argument, toggle visibility | |
series.visible = vis = vis === UNDEFINED ? !oldVisibility : vis; | |
showOrHide = vis ? 'show' : 'hide'; | |
// show or hide series | |
if (seriesGroup) { // pies don't have one | |
seriesGroup[showOrHide](); | |
} | |
// show or hide trackers | |
if (seriesTracker) { | |
seriesTracker[showOrHide](); | |
} else { | |
i = points.length; | |
while (i--) { | |
point = points[i]; | |
if (point.tracker) { | |
point.tracker[showOrHide](); | |
} | |
} | |
} | |
if (dataLabelsGroup) { | |
dataLabelsGroup[showOrHide](); | |
} | |
if (legendItem) { | |
chart.legend.colorizeItem(series, vis); | |
} | |
// rescale or adapt to resized chart | |
series.isDirty = true; | |
// in a stack, all other series are affected | |
if (series.options.stacking) { | |
each(chart.series, function(otherSeries) { | |
if (otherSeries.options.stacking && otherSeries.visible) { | |
otherSeries.isDirty = true; | |
} | |
}); | |
} | |
if (ignoreHiddenSeries) { | |
chart.isDirtyBox = true; | |
} | |
if (redraw !== false) { | |
chart.redraw(); | |
} | |
fireEvent(series, showOrHide); | |
}, | |
/** | |
* Show the graph | |
*/ | |
show: function() { | |
this.setVisible(true); | |
}, | |
/** | |
* Hide the graph | |
*/ | |
hide: function() { | |
this.setVisible(false); | |
}, | |
/** | |
* Set the selected state of the graph | |
* | |
* @param selected {Boolean} True to select the series, false to unselect. If | |
* UNDEFINED, the selection state is toggled. | |
*/ | |
select: function(selected) { | |
var series = this; | |
// if called without an argument, toggle | |
series.selected = selected = (selected === UNDEFINED) ? !series.selected : selected; | |
if (series.checkbox) { | |
series.checkbox.checked = selected; | |
} | |
fireEvent(series, selected ? 'select' : 'unselect'); | |
}, | |
/** | |
* Draw the tracker object that sits above all data labels and markers to | |
* track mouse events on the graph or points. For the line type charts | |
* the tracker uses the same graphPath, but with a greater stroke width | |
* for better control. | |
*/ | |
drawTracker: function() { | |
var series = this, | |
options = series.options, | |
trackerPath = [].concat(series.graphPath), | |
trackerPathLength = trackerPath.length, | |
chart = series.chart, | |
snap = chart.options.tooltip.snap, | |
tracker = series.tracker, | |
cursor = options.cursor, | |
css = cursor && { cursor: cursor }, | |
singlePoints = series.singlePoints, | |
singlePoint, | |
i; | |
// Extend end points. A better way would be to use round linecaps, | |
// but those are not clickable in VML. | |
if (trackerPathLength) { | |
i = trackerPathLength + 1; | |
while (i--) { | |
if (trackerPath[i] === M) { // extend left side | |
trackerPath.splice(i + 1, 0, trackerPath[i + 1] - snap, trackerPath[i + 2], L); | |
} | |
if ((i && trackerPath[i] === M) || i === trackerPathLength) { // extend right side | |
trackerPath.splice(i, 0, L, trackerPath[i - 2] + snap, trackerPath[i - 1]); | |
} | |
} | |
} | |
// handle single points | |
for (i = 0; i < singlePoints.length; i++) { | |
singlePoint = singlePoints[i]; | |
trackerPath.push(M, singlePoint.plotX - snap, singlePoint.plotY, | |
L, singlePoint.plotX + snap, singlePoint.plotY); | |
} | |
// draw the tracker | |
if (tracker) { | |
tracker.attr({ d: trackerPath }); | |
} else { // create | |
series.tracker = chart.renderer.path(trackerPath) | |
.attr({ | |
isTracker: true, | |
stroke: TRACKER_FILL, | |
fill: NONE, | |
'stroke-width' : options.lineWidth + 2 * snap, | |
visibility: series.visible ? VISIBLE : HIDDEN, | |
zIndex: 1 | |
}) | |
.on(hasTouch ? 'touchstart' : 'mouseover', function() { | |
if (chart.hoverSeries !== series) { | |
series.onMouseOver(); | |
} | |
}) | |
.on('mouseout', function() { | |
if (!options.stickyTracking) { | |
series.onMouseOut(); | |
} | |
}) | |
.css(css) | |
.add(chart.trackerGroup); | |
} | |
} | |
}; // end Series prototype | |
/** | |
* LineSeries object | |
*/ | |
var LineSeries = extendClass(Series); | |
seriesTypes.line = LineSeries; | |
/** | |
* AreaSeries object | |
*/ | |
var AreaSeries = extendClass(Series, { | |
type: 'area', | |
useThreshold: true | |
}); | |
seriesTypes.area = AreaSeries; | |
/** | |
* SplineSeries object | |
*/ | |
var SplineSeries = extendClass( Series, { | |
type: 'spline', | |
/** | |
* Draw the actual graph | |
*/ | |
getPointSpline: function(segment, point, i) { | |
var smoothing = 1.5, // 1 means control points midway between points, 2 means 1/3 from the point, 3 is 1/4 etc | |
denom = smoothing + 1, | |
plotX = point.plotX, | |
plotY = point.plotY, | |
lastPoint = segment[i - 1], | |
nextPoint = segment[i + 1], | |
leftContX, | |
leftContY, | |
rightContX, | |
rightContY, | |
ret; | |
// find control points | |
if (i && i < segment.length - 1) { | |
var lastX = lastPoint.plotX, | |
lastY = lastPoint.plotY, | |
nextX = nextPoint.plotX, | |
nextY = nextPoint.plotY, | |
correction; | |
leftContX = (smoothing * plotX + lastX) / denom; | |
leftContY = (smoothing * plotY + lastY) / denom; | |
rightContX = (smoothing * plotX + nextX) / denom; | |
rightContY = (smoothing * plotY + nextY) / denom; | |
// have the two control points make a straight line through main point | |
correction = ((rightContY - leftContY) * (rightContX - plotX)) / | |
(rightContX - leftContX) + plotY - rightContY; | |
leftContY += correction; | |
rightContY += correction; | |
// to prevent false extremes, check that control points are between | |
// neighbouring points' y values | |
if (leftContY > lastY && leftContY > plotY) { | |
leftContY = mathMax(lastY, plotY); | |
rightContY = 2 * plotY - leftContY; // mirror of left control point | |
} else if (leftContY < lastY && leftContY < plotY) { | |
leftContY = mathMin(lastY, plotY); | |
rightContY = 2 * plotY - leftContY; | |
} | |
if (rightContY > nextY && rightContY > plotY) { | |
rightContY = mathMax(nextY, plotY); | |
leftContY = 2 * plotY - rightContY; | |
} else if (rightContY < nextY && rightContY < plotY) { | |
rightContY = mathMin(nextY, plotY); | |
leftContY = 2 * plotY - rightContY; | |
} | |
// record for drawing in next point | |
point.rightContX = rightContX; | |
point.rightContY = rightContY; | |
} | |
// moveTo or lineTo | |
if (!i) { | |
ret = [M, plotX, plotY]; | |
} | |
// curve from last point to this | |
else { | |
ret = [ | |
'C', | |
lastPoint.rightContX || lastPoint.plotX, | |
lastPoint.rightContY || lastPoint.plotY, | |
leftContX || plotX, | |
leftContY || plotY, | |
plotX, | |
plotY | |
]; | |
lastPoint.rightContX = lastPoint.rightContY = null; // reset for updating series later | |
} | |
return ret; | |
} | |
}); | |
seriesTypes.spline = SplineSeries; | |
/** | |
* AreaSplineSeries object | |
*/ | |
var AreaSplineSeries = extendClass(SplineSeries, { | |
type: 'areaspline', | |
useThreshold: true | |
}); | |
seriesTypes.areaspline = AreaSplineSeries; | |
/** | |
* ColumnSeries object | |
*/ | |
var ColumnSeries = extendClass(Series, { | |
type: 'column', | |
useThreshold: true, | |
getDistance: true, | |
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options | |
stroke: 'borderColor', | |
'stroke-width': 'borderWidth', | |
fill: 'color', | |
r: 'borderRadius' | |
}, | |
init: function() { | |
Series.prototype.init.apply(this, arguments); | |
var series = this, | |
chart = series.chart; | |
// flag the chart in order to pad the x axis | |
//chart.hasColumn = true; | |
// if the series is added dynamically, force redraw of other | |
// series affected by a new column | |
if (chart.hasRendered) { | |
each(chart.series, function(otherSeries) { | |
if (otherSeries.type === series.type) { | |
otherSeries.isDirty = true; | |
} | |
}); | |
} | |
}, | |
/** | |
* Translate each point to the plot area coordinate system and find shape positions | |
*/ | |
translate: function() { | |
var series = this, | |
chart = series.chart, | |
options = series.options, | |
stacking = options.stacking, | |
borderWidth = options.borderWidth, | |
columnCount = 0, | |
xAxis = series.xAxis, | |
reversedXAxis = xAxis.reversed, | |
categories = xAxis.categories, | |
stackGroups = {}, | |
stackKey, | |
columnIndex; | |
Series.prototype.translate.apply(series); | |
// Get the total number of column type series. | |
// This is called on every series. Consider moving this logic to a | |
// chart.orderStacks() function and call it on init, addSeries and removeSeries | |
each(chart.series, function(otherSeries) { | |
if (otherSeries.type === series.type && otherSeries.visible && | |
series.options.group === otherSeries.options.group) { // used in Stock charts navigator series | |
if (otherSeries.options.stacking) { | |
stackKey = otherSeries.stackKey; | |
if (stackGroups[stackKey] === UNDEFINED) { | |
stackGroups[stackKey] = columnCount++; | |
} | |
columnIndex = stackGroups[stackKey]; | |
} else { | |
columnIndex = columnCount++; | |
} | |
otherSeries.columnIndex = columnIndex; | |
} | |
}); | |
// calculate the width and position of each column based on | |
// the number of column series in the plot, the groupPadding | |
// and the pointPadding options | |
var points = series.points, | |
//closestPoints = series.closestPoints || 1, | |
categoryWidth = mathAbs(pick( | |
xAxis.leastDistance, | |
chart.plotSizeX / ((categories && categories.length) || 1) | |
)), | |
groupPadding = categoryWidth * options.groupPadding, | |
groupWidth = categoryWidth - 2 * groupPadding, | |
pointOffsetWidth = groupWidth / columnCount, | |
optionPointWidth = options.pointWidth, | |
pointPadding = defined(optionPointWidth) ? (pointOffsetWidth - optionPointWidth) / 2 : | |
pointOffsetWidth * options.pointPadding, | |
pointWidth = mathCeil(mathMax(pick(optionPointWidth, pointOffsetWidth - 2 * pointPadding), 1)), | |
colIndex = (reversedXAxis ? columnCount - | |
series.columnIndex : series.columnIndex) || 0, | |
pointXOffset = pointPadding + (groupPadding + colIndex * | |
pointOffsetWidth -(categoryWidth / 2)) * | |
(reversedXAxis ? -1 : 1), | |
threshold = options.threshold, | |
translatedThreshold = series.yAxis.getThreshold(threshold), | |
minPointLength = pick(options.minPointLength, 5); | |
// record the new values | |
each(points, function(point, i) { | |
var plotY = point.plotY, | |
yBottom = point.yBottom || translatedThreshold, | |
barX = point.plotX + pointXOffset, | |
barY = mathCeil(mathMin(plotY, yBottom)), | |
barH = mathCeil(mathMax(plotY, yBottom) - barY), | |
stack = series.yAxis.stacks[(point.y < 0 ? '-' : '') + series.stackKey], | |
trackerY, | |
shapeArgs; | |
// Record the offset'ed position and width of the bar to be able to align the stacking total correctly | |
if (stacking && series.visible && stack && stack[point.x]) { | |
stack[point.x].setOffset(pointXOffset, pointWidth); | |
} | |
// handle options.minPointLength and tracker for small points | |
if (mathAbs(barH) < minPointLength) { | |
if (minPointLength) { | |
barH = minPointLength; | |
barY = | |
mathAbs(barY - translatedThreshold) > minPointLength ? // stacked | |
yBottom - minPointLength : // keep position | |
translatedThreshold - (plotY <= translatedThreshold ? minPointLength : 0); | |
} | |
trackerY = barY - 3; | |
} | |
extend(point, { | |
barX: barX, | |
barY: barY, | |
barW: pointWidth, | |
barH: barH | |
}); | |
// create shape type and shape args that are reused in drawPoints and drawTracker | |
point.shapeType = 'rect'; | |
shapeArgs = extend(chart.renderer.Element.prototype.crisp.apply({}, [ | |
borderWidth, | |
barX, | |
barY, | |
pointWidth, | |
barH | |
]), { | |
r: options.borderRadius | |
}); | |
if (borderWidth % 2) { // correct for shorting in crisp method, visible in stacked columns with 1px border | |
shapeArgs.y -= 1; | |
shapeArgs.height += 1; | |
} | |
point.shapeArgs = shapeArgs; | |
// make small columns responsive to mouse | |
point.trackerArgs = defined(trackerY) && merge(point.shapeArgs, { | |
height: mathMax(6, barH + 3), | |
y: trackerY | |
}); | |
}); | |
}, | |
getSymbol: function(){ | |
}, | |
/** | |
* Columns have no graph | |
*/ | |
drawGraph: function() {}, | |
/** | |
* Draw the columns. For bars, the series.group is rotated, so the same coordinates | |
* apply for columns and bars. This method is inherited by scatter series. | |
* | |
*/ | |
drawPoints: function() { | |
var series = this, | |
options = series.options, | |
renderer = series.chart.renderer, | |
graphic, | |
shapeArgs; | |
// draw the columns | |
each(series.points, function(point) { | |
var plotY = point.plotY; | |
if (plotY !== UNDEFINED && !isNaN(plotY) && point.y !== null) { | |
graphic = point.graphic; | |
shapeArgs = point.shapeArgs; | |
if (graphic) { // update | |
stop(graphic); | |
graphic.animate(shapeArgs); | |
} else { | |
point.graphic = graphic = renderer[point.shapeType](shapeArgs) | |
.attr(point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE]) | |
.add(series.group) | |
.shadow(options.shadow); | |
} | |
} | |
}); | |
}, | |
/** | |
* Draw the individual tracker elements. | |
* This method is inherited by scatter and pie charts too. | |
*/ | |
drawTracker: function() { | |
var series = this, | |
chart = series.chart, | |
renderer = chart.renderer, | |
shapeArgs, | |
tracker, | |
trackerLabel = +new Date(), | |
cursor = series.options.cursor, | |
css = cursor && { cursor: cursor }, | |
rel; | |
each(series.points, function(point) { | |
tracker = point.tracker; | |
shapeArgs = point.trackerArgs || point.shapeArgs; | |
delete shapeArgs.strokeWidth; | |
if (point.y !== null) { | |
if (tracker) {// update | |
tracker.attr(shapeArgs); | |
} else { | |
point.tracker = | |
renderer[point.shapeType](shapeArgs) | |
.attr({ | |
isTracker: trackerLabel, | |
fill: TRACKER_FILL, | |
visibility: series.visible ? VISIBLE : HIDDEN, | |
zIndex: 1 | |
}) | |
.on(hasTouch ? 'touchstart' : 'mouseover', function(event) { | |
rel = event.relatedTarget || event.fromElement; | |
if (chart.hoverSeries !== series && attr(rel, 'isTracker') !== trackerLabel) { | |
series.onMouseOver(); | |
} | |
point.onMouseOver(); | |
}) | |
.on('mouseout', function(event) { | |
if (!series.options.stickyTracking) { | |
rel = event.relatedTarget || event.toElement; | |
if (attr(rel, 'isTracker') !== trackerLabel) { | |
series.onMouseOut(); | |
} | |
} | |
}) | |
.css(css) | |
.add(point.group || chart.trackerGroup); // pies have point group - see issue #118 | |
} | |
} | |
}); | |
}, | |
/** | |
* Animate the column heights one by one from zero | |
* @param {Boolean} init Whether to initialize the animation or run it | |
*/ | |
animate: function(init) { | |
var series = this, | |
points = series.points; | |
if (!init) { // run the animation | |
/* | |
* Note: Ideally the animation should be initialized by calling | |
* series.group.hide(), and then calling series.group.show() | |
* after the animation was started. But this rendered the shadows | |
* invisible in IE8 standards mode. If the columns flicker on large | |
* datasets, this is the cause. | |
*/ | |
each(points, function(point) { | |
var graphic = point.graphic, | |
shapeArgs = point.shapeArgs; | |
if (graphic) { | |
// start values | |
graphic.attr({ | |
height: 0, | |
y: series.yAxis.translate(0, 0, 1) | |
}); | |
// animate | |
graphic.animate({ | |
height: shapeArgs.height, | |
y: shapeArgs.y | |
}, series.options.animation); | |
} | |
}); | |
// delete this function to allow it only once | |
series.animate = null; | |
} | |
}, | |
/** | |
* Remove this series from the chart | |
*/ | |
remove: function() { | |
var series = this, | |
chart = series.chart; | |
// column and bar series affects other series of the same type | |
// as they are either stacked or grouped | |
if (chart.hasRendered) { | |
each(chart.series, function(otherSeries) { | |
if (otherSeries.type === series.type) { | |
otherSeries.isDirty = true; | |
} | |
}); | |
} | |
Series.prototype.remove.apply(series, arguments); | |
} | |
}); | |
seriesTypes.column = ColumnSeries; | |
var BarSeries = extendClass(ColumnSeries, { | |
type: 'bar', | |
init: function(chart) { | |
chart.inverted = this.inverted = true; | |
ColumnSeries.prototype.init.apply(this, arguments); | |
} | |
}); | |
seriesTypes.bar = BarSeries; | |
/** | |
* The scatter series class | |
*/ | |
var ScatterSeries = extendClass(Series, { | |
type: 'scatter', | |
/** | |
* Extend the base Series' translate method by adding shape type and | |
* arguments for the point trackers | |
*/ | |
translate: function() { | |
var series = this; | |
Series.prototype.translate.apply(series); | |
each(series.points, function(point) { | |
point.shapeType = 'circle'; | |
point.shapeArgs = { | |
x: point.plotX, | |
y: point.plotY, | |
r: series.chart.options.tooltip.snap | |
}; | |
}); | |
}, | |
/** | |
* Create individual tracker elements for each point | |
*/ | |
//drawTracker: ColumnSeries.prototype.drawTracker, | |
drawTracker: function() { | |
var series = this, | |
cursor = series.options.cursor, | |
css = cursor && { cursor: cursor }, | |
graphic; | |
each(series.points, function(point) { | |
graphic = point.graphic; | |
if (graphic) { // doesn't exist for null points | |
graphic | |
.attr({ isTracker: true }) | |
.on('mouseover', function(event) { | |
series.onMouseOver(); | |
point.onMouseOver(); | |
}) | |
.on('mouseout', function(event) { | |
if (!series.options.stickyTracking) { | |
series.onMouseOut(); | |
} | |
}) | |
.css(css); | |
} | |
}); | |
}//, | |
/** | |
* Cleaning the data is not necessary in a scatter plot | |
*/ | |
//cleanData: function() {} | |
}); | |
seriesTypes.scatter = ScatterSeries; | |
/** | |
* Extended point object for pies | |
*/ | |
var PiePoint = extendClass(Point, { | |
/** | |
* Initiate the pie slice | |
*/ | |
init: function () { | |
Point.prototype.init.apply(this, arguments); | |
var point = this, | |
toggleSlice; | |
//visible: options.visible !== false, | |
extend(point, { | |
visible: point.visible !== false, | |
name: pick(point.name, 'Slice') | |
}); | |
// add event listener for select | |
toggleSlice = function() { | |
point.slice(); | |
}; | |
addEvent(point, 'select', toggleSlice); | |
addEvent(point, 'unselect', toggleSlice); | |
return point; | |
}, | |
/** | |
* Toggle the visibility of the pie slice | |
* @param {Boolean} vis Whether to show the slice or not. If undefined, the | |
* visibility is toggled | |
*/ | |
setVisible: function(vis) { | |
var point = this, | |
chart = point.series.chart, | |
tracker = point.tracker, | |
dataLabel = point.dataLabel, | |
connector = point.connector, | |
method; | |
// if called without an argument, toggle visibility | |
point.visible = vis = vis === UNDEFINED ? !point.visible : vis; | |
method = vis ? 'show' : 'hide'; | |
point.group[method](); | |
if (tracker) { | |
tracker[method](); | |
} | |
if (dataLabel) { | |
dataLabel[method](); | |
} | |
if (connector) { | |
connector[method](); | |
} | |
if (point.legendItem) { | |
chart.legend.colorizeItem(point, vis); | |
} | |
}, | |
/** | |
* Set or toggle whether the slice is cut out from the pie | |
* @param {Boolean} sliced When undefined, the slice state is toggled | |
* @param {Boolean} redraw Whether to redraw the chart. True by default. | |
*/ | |
slice: function(sliced, redraw, animation) { | |
var point = this, | |
series = point.series, | |
chart = series.chart, | |
slicedTranslation = point.slicedTranslation, | |
translation; | |
setAnimation(animation, chart); | |
// redraw is true by default | |
redraw = pick(redraw, true); | |
// if called without an argument, toggle | |
sliced = point.sliced = defined(sliced) ? sliced : !point.sliced; | |
translation = { | |
translateX: (sliced ? slicedTranslation[0] : chart.plotLeft), | |
translateY: (sliced ? slicedTranslation[1] : chart.plotTop) | |
}; | |
point.group.animate(translation); | |
if (point.shadowGroup) { | |
point.shadowGroup.animate(translation); | |
} | |
} | |
}); | |
/** | |
* The Pie series class | |
*/ | |
var PieSeries = extendClass(Series, { | |
type: 'pie', | |
isCartesian: false, | |
pointClass: PiePoint, | |
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options | |
stroke: 'borderColor', | |
'stroke-width': 'borderWidth', | |
fill: 'color' | |
}, | |
/** | |
* Pies have one color each point | |
*/ | |
getColor: function() { | |
// record first color for use in setData | |
this.initialColor = this.chart.counters.color; | |
}, | |
/** | |
* Animate the column heights one by one from zero | |
* @param {Boolean} init Whether to initialize the animation or run it | |
*/ | |
animate: function(init) { | |
var series = this, | |
points = series.points; | |
each(points, function(point) { | |
var graphic = point.graphic, | |
args = point.shapeArgs, | |
up = -mathPI / 2; | |
if (graphic) { | |
// start values | |
graphic.attr({ | |
r: 0, | |
start: up, | |
end: up | |
}); | |
// animate | |
graphic.animate({ | |
r: args.r, | |
start: args.start, | |
end: args.end | |
}, series.options.animation); | |
} | |
}); | |
// delete this function to allow it only once | |
series.animate = null; | |
}, | |
/** | |
* Extend the basic setData method by running processData and generatePoints immediately, | |
* in order to access the points from the legend. | |
*/ | |
setData: function() { | |
Series.prototype.setData.apply(this, arguments); | |
this.processData(); | |
this.generatePoints(); | |
}, | |
/** | |
* Do translation for pie slices | |
*/ | |
translate: function() { | |
var total = 0, | |
series = this, | |
cumulative = -0.25, // start at top | |
precision = 1000, // issue #172 | |
options = series.options, | |
slicedOffset = options.slicedOffset, | |
connectorOffset = slicedOffset + options.borderWidth, | |
positions = options.center.concat([options.size, options.innerSize || 0]), | |
chart = series.chart, | |
plotWidth = chart.plotWidth, | |
plotHeight = chart.plotHeight, | |
start, | |
end, | |
angle, | |
points = series.points, | |
circ = 2 * mathPI, | |
fraction, | |
smallestSize = mathMin(plotWidth, plotHeight), | |
isPercent, | |
radiusX, // the x component of the radius vector for a given point | |
radiusY, | |
labelDistance = options.dataLabels.distance; | |
// get positions - either an integer or a percentage string must be given | |
positions = map(positions, function(length, i) { | |
isPercent = /%$/.test(length); | |
return isPercent ? | |
// i == 0: centerX, relative to width | |
// i == 1: centerY, relative to height | |
// i == 2: size, relative to smallestSize | |
// i == 4: innerSize, relative to smallestSize | |
[plotWidth, plotHeight, smallestSize, smallestSize][i] * | |
pInt(length) / 100: | |
length; | |
}); | |
// utility for getting the x value from a given y, used for anticollision logic in data labels | |
series.getX = function(y, left) { | |
angle = math.asin((y - positions[1]) / (positions[2] / 2 + labelDistance)); | |
return positions[0] + | |
(left ? -1 : 1) * | |
(mathCos(angle) * (positions[2] / 2 + labelDistance)); | |
}; | |
// set center for later use | |
series.center = positions; | |
// get the total sum | |
each(points, function(point) { | |
total += point.y; | |
}); | |
each(points, function(point) { | |
// set start and end angle | |
fraction = total ? point.y / total : 0; | |
start = mathRound(cumulative * circ * precision) / precision; | |
cumulative += fraction; | |
end = mathRound(cumulative * circ * precision) / precision; | |
// set the shape | |
point.shapeType = 'arc'; | |
point.shapeArgs = { | |
x: positions[0], | |
y: positions[1], | |
r: positions[2] / 2, | |
innerR: positions[3] / 2, | |
start: start, | |
end: end | |
}; | |
// center for the sliced out slice | |
angle = (end + start) / 2; | |
point.slicedTranslation = map([ | |
mathCos(angle) * slicedOffset + chart.plotLeft, | |
mathSin(angle) * slicedOffset + chart.plotTop | |
], mathRound); | |
// set the anchor point for tooltips | |
radiusX = mathCos(angle) * positions[2] / 2; | |
radiusY = mathSin(angle) * positions[2] / 2; | |
point.tooltipPos = [ | |
positions[0] + radiusX * 0.7, | |
positions[1] + radiusY * 0.7 | |
]; | |
// set the anchor point for data labels | |
point.labelPos = [ | |
positions[0] + radiusX + mathCos(angle) * labelDistance, // first break of connector | |
positions[1] + radiusY + mathSin(angle) * labelDistance, // a/a | |
positions[0] + radiusX + mathCos(angle) * connectorOffset, // second break, right outside pie | |
positions[1] + radiusY + mathSin(angle) * connectorOffset, // a/a | |
positions[0] + radiusX, // landing point for connector | |
positions[1] + radiusY, // a/a | |
labelDistance < 0 ? // alignment | |
'center' : | |
angle < circ / 4 ? 'left' : 'right', // alignment | |
angle // center angle | |
]; | |
// API properties | |
point.percentage = fraction * 100; | |
point.total = total; | |
}); | |
this.setTooltipPoints(); | |
}, | |
/** | |
* Render the slices | |
*/ | |
render: function() { | |
var series = this; | |
// cache attributes for shapes | |
series.getAttribs(); | |
this.drawPoints(); | |
// draw the mouse tracking area | |
if (series.options.enableMouseTracking !== false) { | |
series.drawTracker(); | |
} | |
this.drawDataLabels(); | |
if (series.options.animation && series.animate) { | |
series.animate(); | |
} | |
series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see | |
}, | |
/** | |
* Draw the data points | |
*/ | |
drawPoints: function() { | |
var series = this, | |
chart = series.chart, | |
renderer = chart.renderer, | |
groupTranslation, | |
//center, | |
graphic, | |
group, | |
shadow = series.options.shadow, | |
shadowGroup, | |
shapeArgs; | |
// draw the slices | |
each(series.points, function(point) { | |
graphic = point.graphic; | |
shapeArgs = point.shapeArgs; | |
group = point.group; | |
shadowGroup = point.shadowGroup; | |
// put the shadow behind all points | |
if (shadow && !shadowGroup) { | |
shadowGroup = point.shadowGroup = renderer.g('shadow') | |
.attr({ zIndex: 4 }) | |
.add(); | |
} | |
// create the group the first time | |
if (!group) { | |
group = point.group = renderer.g('point') | |
.attr({ zIndex: 5 }) | |
.add(); | |
} | |
// if the point is sliced, use special translation, else use plot area traslation | |
groupTranslation = point.sliced ? point.slicedTranslation : [chart.plotLeft, chart.plotTop]; | |
group.translate(groupTranslation[0], groupTranslation[1]); | |
if (shadowGroup) { | |
shadowGroup.translate(groupTranslation[0], groupTranslation[1]); | |
} | |
// draw the slice | |
if (graphic) { | |
graphic.animate(shapeArgs); | |
} else { | |
point.graphic = | |
renderer.arc(shapeArgs) | |
.attr(extend( | |
point.pointAttr[NORMAL_STATE], | |
{ 'stroke-linejoin': 'round' } | |
)) | |
.add(point.group) | |
.shadow(shadow, shadowGroup); | |
} | |
// detect point specific visibility | |
if (point.visible === false) { | |
point.setVisible(false); | |
} | |
}); | |
}, | |
/** | |
* Override the base drawDataLabels method by pie specific functionality | |
*/ | |
drawDataLabels: function() { | |
var series = this, | |
points = series.points, | |
point, | |
chart = series.chart, | |
options = series.options.dataLabels, | |
connectorPadding = pick(options.connectorPadding, 10), | |
connectorWidth = pick(options.connectorWidth, 1), | |
connector, | |
connectorPath, | |
outside = options.distance > 0, | |
dataLabel, | |
labelPos, | |
labelHeight, | |
lastY, | |
centerY = series.center[1], | |
quarters = [// divide the points into quarters for anti collision | |
[], // top right | |
[], // bottom right | |
[], // bottom left | |
[] // top left | |
], | |
x, | |
y, | |
visibility, | |
overlapping, | |
rankArr, | |
secondPass, | |
sign, | |
lowerHalf, | |
sort, | |
i = 4, | |
j; | |
// run parent method | |
Series.prototype.drawDataLabels.apply(series); | |
// arrange points for detection collision | |
each(points, function(point) { | |
var angle = point.labelPos[7], | |
quarter; | |
if (angle < 0) { | |
quarter = 0; | |
} else if (angle < mathPI / 2) { | |
quarter = 1; | |
} else if (angle < mathPI) { | |
quarter = 2; | |
} else { | |
quarter = 3; | |
} | |
quarters[quarter].push(point); | |
}); | |
quarters[1].reverse(); | |
quarters[3].reverse(); | |
// define the sorting algorithm | |
sort = function(a,b) { | |
return a.y > b.y; | |
}; | |
/* Loop over the points in each quartile, starting from the top and bottom | |
* of the pie to detect overlapping labels. | |
*/ | |
while (i--) { | |
overlapping = 0; | |
// create an array for sorting and ranking the points within each quarter | |
rankArr = [].concat(quarters[i]); | |
rankArr.sort(sort); | |
j = rankArr.length; | |
while (j--) { | |
rankArr[j].rank = j; | |
} | |
/* In the first pass, count the number of overlapping labels. In the second | |
* pass, remove the labels with lowest rank/values. | |
*/ | |
for (secondPass = 0; secondPass < 2; secondPass++) { | |
lowerHalf = i % 3; | |
lastY = lowerHalf ? 9999 : -9999; | |
sign = lowerHalf ? -1 : 1; | |
for (j = 0; j < quarters[i].length; j++) { | |
point = quarters[i][j]; | |
dataLabel = point.dataLabel; | |
if (dataLabel) { | |
labelPos = point.labelPos; | |
visibility = VISIBLE; | |
x = labelPos[0]; | |
y = labelPos[1]; | |
// assume all labels have equal height | |
if (!labelHeight) { | |
labelHeight = dataLabel && dataLabel.getBBox().height; | |
} | |
// anticollision | |
if (outside) { | |
if (secondPass && point.rank < overlapping) { | |
visibility = HIDDEN; | |
} else if ((!lowerHalf && y < lastY + labelHeight) || | |
(lowerHalf && y > lastY - labelHeight)) { | |
y = lastY + sign * labelHeight; | |
x = series.getX(y, i > 1); | |
if ((!lowerHalf && y + labelHeight > centerY) || | |
(lowerHalf && y -labelHeight < centerY)) { | |
if (secondPass) { | |
visibility = HIDDEN; | |
} else { | |
overlapping++; | |
} | |
} | |
} | |
} | |
if (point.visible === false) { | |
visibility = HIDDEN; | |
} | |
if (visibility === VISIBLE) { | |
lastY = y; | |
} | |
if (secondPass) { | |
// move or place the data label | |
dataLabel | |
.attr({ | |
visibility: visibility, | |
align: labelPos[6] | |
})[dataLabel.moved ? 'animate' : 'attr']({ | |
x: x + options.x + | |
({ left: connectorPadding, right: -connectorPadding }[labelPos[6]] || 0), | |
y: y + options.y | |
}); | |
dataLabel.moved = true; | |
// draw the connector | |
if (outside && connectorWidth) { | |
connector = point.connector; | |
connectorPath = [ | |
M, | |
x + (labelPos[6] === 'left' ? 5 : -5), y, // end of the string at the label | |
L, | |
x, y, // first break, next to the label | |
L, | |
labelPos[2], labelPos[3], // second break | |
L, | |
labelPos[4], labelPos[5] // base | |
]; | |
if (connector) { | |
connector.animate({ d: connectorPath }); | |
connector.attr('visibility', visibility); | |
} else { | |
point.connector = connector = series.chart.renderer.path(connectorPath).attr({ | |
'stroke-width': connectorWidth, | |
stroke: options.connectorColor || '#606060', | |
visibility: visibility, | |
zIndex: 3 | |
}) | |
.translate(chart.plotLeft, chart.plotTop) | |
.add(); | |
} | |
} | |
} | |
} | |
} | |
} | |
} | |
}, | |
/** | |
* Draw point specific tracker objects. Inherit directly from column series. | |
*/ | |
drawTracker: ColumnSeries.prototype.drawTracker, | |
/** | |
* Pies don't have point marker symbols | |
*/ | |
getSymbol: function() {} | |
}); | |
seriesTypes.pie = PieSeries; | |
/* **************************************************************************** | |
* Start data grouping module * | |
******************************************************************************/ | |
var DATA_GROUPING = 'dataGrouping', | |
seriesProto = Series.prototype, | |
baseProcessData = seriesProto.processData, | |
baseGeneratePoints = seriesProto.generatePoints, | |
baseDestroy = seriesProto.destroy; | |
/** | |
* Extend the basic processData method, that crops the data to the current zoom | |
* range, with data grouping logic. | |
*/ | |
seriesProto.processData = function() { | |
var series = this, | |
options = series.options, | |
dataGroupingOptions = options[DATA_GROUPING]; | |
baseProcessData.apply(this); | |
// disabled? | |
if (!dataGroupingOptions || dataGroupingOptions.enabled === false) { | |
return; | |
} | |
var i, | |
processedXData = series.processedXData, | |
processedYData = series.processedYData, | |
data = series.data, | |
dataOptions = options.data, | |
plotSizeX = series.chart.plotSizeX, | |
groupPixelWidth = dataGroupingOptions.groupPixelWidth, | |
maxPoints = plotSizeX / groupPixelWidth, | |
approximation = dataGroupingOptions.approximation, | |
summarize = approximation === 'average' || approximation === 'sum', | |
dataLength = processedXData.length, | |
ohlcData = series.valueCount === 4, | |
groupedData = series.groupedData, | |
groupedXData = [], | |
groupedYData = []; | |
// clear previous groups | |
each (groupedData || [], function(point, i) { | |
if (point) { | |
groupedData[i] = point.destroy(); | |
} | |
}); | |
series.hasGroupedData = false; | |
if (dataLength > maxPoints) { | |
series.hasGroupedData = true; | |
series.points = null; // force recreation of point instances in series.translate | |
var xMin = processedXData[0], | |
xMax = processedXData[dataLength - 1], | |
interval = groupPixelWidth * (xMax - xMin) / plotSizeX, | |
groupPositions = getTimeTicks(interval, xMin, xMax, null, dataGroupingOptions.units), | |
pointX, | |
pointY, | |
value = UNDEFINED, | |
open = null, | |
high = null, | |
low = null, | |
close = null, | |
count = 0; | |
for (i = 0; i < dataLength; i++) { | |
// when a new group is entered, summarize and initiate the previous group | |
while (groupPositions[1] !== UNDEFINED && processedXData[i] >= groupPositions[1]) { | |
if (approximation === 'average' && value !== UNDEFINED && value !== null) { | |
value /= count; | |
} | |
pointX = groupPositions.shift(); | |
if (value !== UNDEFINED || ohlcData) { | |
groupedXData.push(pointX); // todo: just use groupPositions as xData? | |
if (ohlcData) { | |
groupedYData.push([open, high, low, close]); | |
open = high = low = close = null; | |
} else { | |
groupedYData.push(value); | |
} | |
} | |
value = UNDEFINED; | |
count = 0; | |
} | |
// increase the counters | |
pointY = processedYData[i]; | |
if (summarize && !ohlcData) { // approximation = 'sum' or 'average', the most frequent | |
value = value === UNDEFINED || value === null ? pointY : value + pointY; | |
} else if (ohlcData) { | |
var index = series.cropStart + i, | |
point = (data && data[index]) || series.pointClass.prototype.applyOptions.apply({}, [dataOptions[index]]); | |
if (open === null) { // first point | |
open = point.open; | |
} | |
high = high === null? point.high : mathMax(high, point.high); | |
low = low === null ? point.low : mathMin(low, point.low); | |
close = point.close; // last point | |
} else if (approximation === 'open' && value === UNDEFINED) { | |
value = pointY; | |
} else if (approximation === 'high') { | |
value = value === UNDEFINED ? pointY : mathMax(value, pointY); | |
} else if (approximation === 'low') { | |
value = value === UNDEFINED ? pointY : mathMin(value, pointY); | |
} else if (approximation === 'close') { // last point | |
value = pointY; | |
} | |
count++; | |
} | |
// prevent the smoothed data to spill out left and right, and make | |
// sure data is not shifted to the left | |
if (dataGroupingOptions.smoothed) { | |
i = groupedXData.length - 1; | |
groupedXData[i] = xMax; | |
while (i-- && i) { | |
groupedXData[i] += interval / 2; | |
} | |
groupedXData[0] = xMin; | |
} | |
series.tooltipHeaderFormat = dataGroupingOptions.dateTimeLabelFormats[groupPositions.unit[0]]; | |
series.unit = groupPositions.unit; | |
} else { | |
groupedXData = processedXData; | |
groupedYData = processedYData; | |
series.tooltipHeaderFormat = null; | |
series.unit = null; | |
} | |
series.processedXData = groupedXData; | |
series.processedYData = groupedYData; | |
}; | |
seriesProto.generatePoints = function() { | |
var series = this; | |
baseGeneratePoints.apply(series); | |
// record grouped data in order to let it be destroyed the next time processData runs | |
series.groupedData = series.hasGroupedData ? series.points : null; | |
}; | |
seriesProto.destroy = function() { | |
var series = this, | |
groupedData = series.groupedData || [], | |
i = groupedData.length; | |
while(i--) { | |
if (groupedData[i]) { | |
groupedData[i].destroy(); | |
} | |
} | |
baseDestroy.apply(series); | |
}; | |
// Extend the plot options | |
var dateTimeLabelFormats = { | |
second: '%A, %b %e, %H:%M:%S', | |
minute: '%A, %b %e, %H:%M', | |
hour: '%A, %b %e, %H:%M', | |
day: '%A, %b %e, %Y', | |
week: 'Week from %A, %b %e, %Y', | |
month: '%B %Y', | |
year: '%Y' | |
}; | |
// line types | |
defaultPlotOptions.line[DATA_GROUPING] = | |
defaultPlotOptions.spline[DATA_GROUPING] = | |
defaultPlotOptions.area[DATA_GROUPING] = | |
defaultPlotOptions.areaspline[DATA_GROUPING] = { | |
approximation: 'average', // average, open, high, low, close, sum | |
groupPixelWidth: 2, | |
dateTimeLabelFormats: dateTimeLabelFormats, // todo: move to tooltip options? | |
// smoothed = false, // enable this for navigator series only | |
units: [[ | |
'millisecond', // unit name | |
[1, 2, 5, 10, 20, 25, 50, 100, 200, 500] | |
], [ | |
'second', // unit name | |
[1, 2, 5, 10, 15, 30] // allowed multiples | |
], [ | |
'minute', // unit name | |
[1, 2, 5, 10, 15, 30] // allowed multiples | |
], [ | |
'hour', // unit name | |
[1, 2, 3, 4, 6, 8, 12] // allowed multiples | |
], [ | |
'day', // unit name | |
[1] // allowed multiples | |
], [ | |
'week', // unit name | |
[1] // allowed multiples | |
], [ | |
'month', | |
[1, 3, 6] | |
], [ | |
'year', | |
null | |
]] | |
}; | |
// bar-like types (OHLC and candleticks inherit this as the classes are not yet built) | |
defaultPlotOptions.column[DATA_GROUPING] = { | |
approximation: 'sum', | |
groupPixelWidth: 10, | |
dateTimeLabelFormats: dateTimeLabelFormats | |
}; | |
/* **************************************************************************** | |
* End data grouping module * | |
******************************************************************************//* **************************************************************************** | |
* Start OHLC series code * | |
*****************************************************************************/ | |
// 1 - Set default options | |
defaultPlotOptions.ohlc = merge(defaultPlotOptions.column, { | |
lineWidth: 1, | |
dataGrouping: { | |
groupPixelWidth: 5 // allows to be packed tighter than candlesticks | |
}, | |
states: { | |
hover: { | |
lineWidth: 3 | |
} | |
} | |
}); | |
// 2- Create the OHLCPoint object | |
var OHLCPoint = extendClass(Point, { | |
/** | |
* Apply the options containing the x and OHLC data and possible some extra properties. | |
* This is called on point init or from point.update. Extends base Point by adding | |
* multiple y-like values. | |
* | |
* @param {Object} options | |
*/ | |
applyOptions: function(options) { | |
var point = this, | |
series = point.series, | |
i = 0; | |
// object input for example: | |
// { x: Date(2010, 0, 1), open: 7.88, high: 7.99, low: 7.02, close: 7.65 } | |
if (typeof options === 'object' && typeof options.length !== 'number') { | |
// copy options directly to point | |
extend(point, options); | |
point.options = options; | |
} | |
// array | |
else if (options.length) { | |
// with leading x value | |
if (options.length === 5) { | |
if (typeof options[0] === 'string') { | |
point.name = options[0]; | |
} else if (typeof options[0] === 'number') { | |
point.x = options[0]; | |
} | |
i++; | |
} | |
point.open = options[i++]; | |
point.high = options[i++]; | |
point.low = options[i++]; | |
point.close = options[i++]; | |
} | |
/* | |
* If no x is set by now, get auto incremented value. All points must have an | |
* x value, however the y value can be null to create a gap in the series | |
*/ | |
point.y = point.high; | |
if (point.x === UNDEFINED && series) { | |
point.x = series.autoIncrement(); | |
} | |
return point; | |
}, | |
/** | |
* A specific OHLC tooltip formatter | |
*/ | |
tooltipFormatter: function() { | |
var point = this, | |
series = point.series; | |
return ['<span style="color:'+ series.color +';font-weight:bold">', (point.name || series.name), '</span><br/> ', | |
'Open: ', point.open, '<br/>', | |
'High: ', point.high, '<br/>', | |
'Low: ', point.low, '<br/>', | |
'Close: ', point.close, '<br/>'].join(''); | |
} | |
}); | |
// 3 - Create the OHLCSeries object | |
var OHLCSeries = extendClass(seriesTypes.column, { | |
type: 'ohlc', | |
valueCount: 4, // four values per point | |
pointClass: OHLCPoint, | |
useThreshold: false, | |
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options | |
stroke: 'color', | |
'stroke-width': 'lineWidth' | |
}, | |
/** | |
* Translate data points from raw values x and y to plotX and plotY | |
*/ | |
translate: function() { | |
var series = this, | |
yAxis = series.yAxis; | |
seriesTypes.column.prototype.translate.apply(series); | |
// do the translation | |
each(series.points, function(point) { | |
// the graphics | |
if (point.open !== null) { | |
point.plotOpen = yAxis.translate(point.open, 0, 1); | |
} | |
if (point.close !== null) { | |
point.plotClose = yAxis.translate(point.close, 0, 1); | |
} | |
}); | |
}, | |
/** | |
* Draw the data points | |
*/ | |
drawPoints: function() { | |
var series = this, | |
points = series.points, | |
chart = series.chart, | |
pointAttr, | |
plotOpen, | |
plotClose, | |
crispCorr, | |
halfWidth, | |
path, | |
graphic, | |
crispX; | |
each(points, function(point) { | |
if (point.plotY !== UNDEFINED) { | |
graphic = point.graphic; | |
pointAttr = point.pointAttr[point.selected ? 'selected' : '']; | |
// crisp vector coordinates | |
crispCorr = (pointAttr['stroke-width'] % 2) / 2; | |
crispX = mathRound(point.plotX) + crispCorr; | |
halfWidth = mathRound(point.barW / 2); | |
// the vertical stem | |
path = [ | |
'M', | |
crispX, mathRound(point.yBottom), | |
'L', | |
crispX, mathRound(point.plotY) | |
]; | |
// open | |
if (point.open !== null) { | |
plotOpen = mathRound(point.plotOpen) + crispCorr; | |
path.push( | |
'M', | |
crispX, plotOpen, | |
'L', | |
crispX - halfWidth, plotOpen | |
); | |
} | |
// close | |
if (point.close !== null) { | |
plotClose = mathRound(point.plotClose) + crispCorr; | |
path.push( | |
'M', | |
crispX, plotClose, | |
'L', | |
crispX + halfWidth, plotClose | |
); | |
} | |
// create and/or update the graphic | |
if (graphic) { | |
graphic.animate({ d: path }); | |
} else { | |
point.graphic = chart.renderer.path(path) | |
.attr(pointAttr) | |
.add(series.group); | |
} | |
} | |
}); | |
}, | |
/** | |
* Disable animation | |
*/ | |
animate: null | |
}); | |
seriesTypes.ohlc = OHLCSeries; | |
/* **************************************************************************** | |
* End OHLC series code * | |
*****************************************************************************/ | |
/* **************************************************************************** | |
* Start Candlestick series code * | |
*****************************************************************************/ | |
// 1 - set default options | |
defaultPlotOptions.candlestick = merge(defaultPlotOptions.column, { | |
lineColor: 'black', | |
lineWidth: 1, | |
upColor: 'white', | |
states: { | |
hover: { | |
lineWidth: 2 | |
} | |
} | |
}); | |
// 2 - Create the CandlestickSeries object | |
var CandlestickSeries = extendClass(OHLCSeries, { | |
type: 'candlestick', | |
/** | |
* One-to-one mapping from options to SVG attributes | |
*/ | |
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options | |
fill: 'color', | |
stroke: 'lineColor', | |
'stroke-width': 'lineWidth' | |
}, | |
/** | |
* Postprocess mapping between options and SVG attributes | |
*/ | |
getAttribs: function() { | |
OHLCSeries.prototype.getAttribs.apply(this, arguments); | |
var series = this, | |
options = series.options, | |
stateOptions = options.states, | |
upColor = options.upColor, | |
seriesDownPointAttr = merge(series.pointAttr); | |
seriesDownPointAttr[''].fill = upColor; | |
seriesDownPointAttr.hover.fill = stateOptions.hover.upColor || upColor; | |
seriesDownPointAttr.select.fill = stateOptions.select.upColor || upColor; | |
each(series.points, function(point) { | |
if (point.open < point.close) { | |
point.pointAttr = seriesDownPointAttr; | |
} | |
}); | |
}, | |
/** | |
* Draw the data points | |
*/ | |
drawPoints: function() { | |
var series = this, //state = series.state, | |
points = series.points, | |
chart = series.chart, | |
pointAttr, | |
plotOpen, | |
plotClose, | |
topBox, | |
bottomBox, | |
crispCorr, | |
crispX, | |
graphic, | |
path, | |
halfWidth; | |
each(points, function(point) { | |
graphic = point.graphic; | |
if (point.plotY !== UNDEFINED) { | |
pointAttr = point.pointAttr[point.selected ? 'selected' : '']; | |
// crisp vector coordinates | |
crispCorr = (pointAttr['stroke-width'] % 2) / 2; | |
crispX = mathRound(point.plotX) + crispCorr; | |
plotOpen = mathRound(point.plotOpen) + crispCorr; | |
plotClose = mathRound(point.plotClose) + crispCorr; | |
topBox = math.min(plotOpen, plotClose); | |
bottomBox = math.max(plotOpen, plotClose); | |
halfWidth = mathRound(point.barW / 2); | |
// create the path | |
path = [ | |
'M', | |
crispX - halfWidth, bottomBox, | |
'L', | |
crispX - halfWidth, topBox, | |
'L', | |
crispX + halfWidth, topBox, | |
'L', | |
crispX + halfWidth, bottomBox, | |
'L', | |
crispX - halfWidth, bottomBox, | |
'M', | |
crispX, bottomBox, | |
'L', | |
crispX, mathRound(point.yBottom), | |
'M', | |
crispX, topBox, | |
'L', | |
crispX, mathRound(point.plotY), | |
'Z' | |
]; | |
if (graphic) { | |
graphic.animate({ d: path }); | |
} else { | |
point.graphic = chart.renderer.path(path) | |
.attr(pointAttr) | |
.add(series.group); | |
} | |
} | |
}); | |
} | |
}); | |
seriesTypes.candlestick = CandlestickSeries; | |
/* **************************************************************************** | |
* End Candlestick series code * | |
*****************************************************************************/ | |
/* **************************************************************************** | |
* Start Flags series code * | |
*****************************************************************************/ | |
var symbols = Renderer.prototype.symbols; | |
// 1 - set default options | |
defaultPlotOptions.flags = merge(defaultPlotOptions.column, { | |
fillColor: 'white', | |
lineWidth: 1, | |
//radius: 2, | |
shape: 'flag', | |
stackDistance: 7, | |
states: { | |
hover: { | |
lineColor: 'black', | |
fillColor: '#FCFFC5' | |
} | |
}, | |
style: { | |
fontSize: '11px', | |
fontWeight: 'bold', | |
textAlign: 'center' | |
}, | |
y: -30 | |
}); | |
// 2 - Create the CandlestickSeries object | |
seriesTypes.flags = extendClass(seriesTypes.column, { | |
type: 'flags', | |
noSharedTooltip: true, | |
useThreshold: false, | |
/** | |
* Inherit the initialization from base Series | |
*/ | |
init: Series.prototype.init, | |
/** | |
* One-to-one mapping from options to SVG attributes | |
*/ | |
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options | |
fill: 'fillColor', | |
stroke: 'color', | |
'stroke-width': 'lineWidth', | |
r: 'radius' | |
}, | |
/** | |
* Extend the translate method by placing the point on the related series | |
*/ | |
translate: function() { | |
seriesTypes.column.prototype.translate.apply(this); | |
var series = this, | |
options = series.options, | |
chart = series.chart, | |
points = series.points, | |
cursor = points.length - 1, | |
i, | |
point, | |
lastPoint, | |
optionsOnSeries = options.onSeries, | |
onSeries = optionsOnSeries && chart.get(optionsOnSeries), | |
onData, | |
onPoint; | |
// relate to a master series | |
if (onSeries) { | |
onData = onSeries.points; | |
i = onData.length; | |
// sort the data points | |
points.sort(function(a, b){ | |
return (a.x - b.x); | |
}); | |
while (i-- && points[cursor]) { | |
point = points[cursor]; | |
onPoint = onData[i]; | |
if (onPoint.x <= point.x) { | |
point.plotY = onPoint.plotY; | |
cursor--; | |
i++; // check again for points in the same x position | |
if (cursor < 0) { | |
break; | |
} | |
} | |
} | |
} | |
each(points, function(point, i) { | |
// place on y axis | |
if (!onSeries) { | |
point.plotY = chart.plotHeight; | |
} | |
// if multiple flags appear at the same x, order them into a stack | |
lastPoint = points[i - 1]; | |
if (lastPoint && lastPoint.plotX === point.plotX) { | |
if (lastPoint.stackIndex === UNDEFINED) { | |
lastPoint.stackIndex = 0; | |
} | |
point.stackIndex = lastPoint.stackIndex + 1; | |
} | |
}); | |
}, | |
/** | |
* Draw the markers | |
*/ | |
drawPoints: function(){ | |
var series = this, | |
pointAttr, | |
points = series.points, | |
chart = series.chart, | |
renderer = chart.renderer, | |
plotX, | |
plotY, | |
options = series.options, | |
optionsY = options.y, | |
shape = options.shape, | |
box, | |
bBox, | |
i, | |
point, | |
graphic, | |
connector, | |
stackIndex, | |
crisp = (options.lineWidth % 2 / 2), | |
anchorX, | |
anchorY; | |
i = points.length; | |
while (i--) { | |
point = points[i]; | |
plotX = point.plotX + crisp; | |
stackIndex = point.stackIndex; | |
plotY = point.plotY + optionsY + crisp - (stackIndex !== UNDEFINED && stackIndex * options.stackDistance); | |
// outside to the left, on series but series is clipped | |
if (isNaN(plotY)) { | |
plotY = 0; | |
} | |
anchorX = stackIndex ? UNDEFINED : point.plotX + crisp; // skip connectors for higher level stacked points | |
anchorY = stackIndex ? UNDEFINED : point.plotY; | |
graphic = point.graphic; | |
connector = point.connector; | |
// only draw the point if y is defined | |
if (plotY !== UNDEFINED) { | |
// shortcuts | |
pointAttr = point.pointAttr[point.selected ? 'select' : '']; | |
if (graphic) { // update | |
graphic.attr({ | |
x: plotX, | |
y: plotY, | |
r: pointAttr.r | |
}); | |
} else { | |
graphic = point.graphic = renderer.label( | |
'A', | |
plotX, | |
plotY, | |
shape, | |
anchorX, | |
anchorY | |
) | |
.css(merge(options.style, point.style)) | |
.attr(pointAttr) | |
.attr({ | |
align: shape === 'flag' ? 'left' : 'center', | |
width: options.width, | |
height: options.height | |
}) | |
.add(series.group); | |
} | |
// get the bounding box | |
box = graphic.box; | |
bBox = box.getBBox(); | |
// set the shape arguments for the tracker element | |
point.shapeArgs = extend( | |
bBox, { | |
x: plotX - (shape === 'flag' ? 0 : box.attr('width') / 2), // flags align left, else align center | |
y: plotY | |
} | |
); | |
} | |
} | |
}, | |
/** | |
* Extend the column trackers with listeners to expand and contract stacks | |
*/ | |
drawTracker: function() { | |
var series = this; | |
seriesTypes.column.prototype.drawTracker.apply(series); | |
// put each point in front on mouse over, this allows readability of vertically | |
// stacked elements as well as tight points on the x axis | |
each(series.points, function(point) { | |
addEvent(point.tracker.element, 'mouseover', function() { | |
point.graphic.toFront(); | |
}); | |
}); | |
}, | |
/** | |
* Override the regular tooltip formatter by returning the point text given | |
* in the options | |
*/ | |
tooltipFormatter: function(item) { | |
return item.point.text; | |
}, | |
/** | |
* Disable animation | |
*/ | |
animate: function() {} | |
}); | |
// create the flag icon with anchor | |
symbols.flag = function(x, y, w, h, options) { | |
var anchorX = (options && options.anchorX) || x, | |
anchorY = (options && options.anchorY) || y; | |
return [ | |
'M', anchorX, anchorY, | |
'L', x, y + h, | |
x, y, | |
x + w, y, | |
x + w, y + h, | |
x, y + h, | |
'M', anchorX, anchorY, | |
'Z' | |
]; | |
}; | |
// create the circlepin and squarepin icons with anchor | |
each(['circle', 'square'], function(shape) { | |
symbols[shape +'pin'] = function(x, y, w, h, options) { | |
var anchorX = options && options.anchorX, | |
anchorY = options && options.anchorY, | |
path = symbols[shape](x, y, w, h); | |
if (anchorX && anchorY) { | |
path.push('M', x + w / 2, y + h, 'L', anchorX, anchorY); | |
} | |
//console.trace(x, y, ); | |
return path; | |
}; | |
}); | |
/* **************************************************************************** | |
* End Flags series code * | |
*****************************************************************************/ | |
// constants | |
var MOUSEDOWN = hasTouch ? 'touchstart' : 'mousedown', | |
MOUSEMOVE = hasTouch ? 'touchmove' : 'mousemove', | |
MOUSEUP = hasTouch ? 'touchend' : 'mouseup'; | |
/* **************************************************************************** | |
* Start Scroller code * | |
*****************************************************************************/ | |
var buttonGradient = { | |
linearGradient: [0, 0, 0, 14], | |
stops: [ | |
[0, '#FFF'], | |
[1, '#CCC'] | |
] | |
}, | |
units = [].concat(defaultPlotOptions.line.dataGrouping.units); // copy | |
// add more resolution to units | |
units[4][1] = [1, 2, 3, 4]; // allow more days | |
units[5][1] = [1, 2, 3]; // allow more weeks | |
extend(defaultOptions, { | |
navigator: { | |
//enabled: true, | |
handles: { | |
backgroundColor: '#FFF', | |
borderColor: '#666' | |
}, | |
height: 40, | |
margin: 10, | |
maskFill: 'rgba(255, 255, 255, 0.75)', | |
outlineColor: '#444', | |
outlineWidth: 1, | |
series: { | |
type: 'areaspline', | |
color: '#4572A7', | |
fillOpacity: 0.4, | |
dataGrouping: { | |
smoothed: true, | |
units: units | |
}, | |
lineWidth: 1, | |
marker: { | |
enabled: false | |
}, | |
shadow: false | |
}, | |
//top: undefined, // docs | |
xAxis: { | |
tickWidth: 0, | |
lineWidth: 0, | |
gridLineWidth: 1, | |
tickPixelInterval: 200, | |
labels: { | |
align: 'left', | |
x: 3, | |
y: -4 | |
} | |
}, | |
yAxis: { | |
gridLineWidth: 0, | |
startOnTick: false, | |
endOnTick: false, | |
minPadding: 0.1, | |
maxPadding: 0.1, | |
labels: { | |
enabled: false | |
}, | |
title: { | |
text: null | |
}, | |
tickWidth: 0 | |
} | |
}, | |
scrollbar: { | |
//enabled: true | |
height: hasTouch ? 20 : 14, | |
barBackgroundColor: buttonGradient, | |
barBorderRadius: 2, | |
barBorderWidth: 1, | |
barBorderColor: '#666', | |
buttonArrowColor: '#666', | |
buttonBackgroundColor: buttonGradient, | |
buttonBorderColor: '#666', | |
buttonBorderRadius: 2, | |
buttonBorderWidth: 1, | |
rifleColor: '#666', | |
trackBackgroundColor: { | |
linearGradient: [0, 0, 0, 10], | |
stops: [ | |
[0, '#EEE'], | |
[1, '#FFF'] | |
] | |
}, | |
trackBorderColor: '#CCC', | |
trackBorderWidth: 1 | |
// trackBorderRadius: 0 | |
} | |
}); | |
/** | |
* The Scroller class | |
* @param {Object} chart | |
*/ | |
function Scroller(chart) { | |
var renderer = chart.renderer, | |
chartOptions = chart.options, | |
navigatorOptions = chartOptions.navigator, | |
navigatorEnabled = navigatorOptions.enabled, | |
navigatorLeft, | |
navigatorSeries, | |
scrollbarOptions = chartOptions.scrollbar, | |
scrollbarEnabled = scrollbarOptions.enabled, | |
grabbedLeft, | |
grabbedRight, | |
grabbedCenter, | |
otherHandlePos, | |
dragOffset, | |
hasDragged, | |
xAxis, | |
yAxis, | |
zoomedMin, | |
zoomedMax, | |
range, | |
bodyStyle = document.body.style, | |
defaultBodyCursor, | |
handlesOptions = navigatorOptions.handles, | |
height = navigatorEnabled ? navigatorOptions.height : 0, | |
outlineWidth = navigatorOptions.outlineWidth, | |
scrollbarHeight = scrollbarEnabled ? scrollbarOptions.height : 0, | |
outlineHeight = height + scrollbarHeight, | |
barBorderRadius = scrollbarOptions.barBorderRadius, | |
top = navigatorOptions.top || chart.chartHeight - height - scrollbarHeight - chartOptions.chart.spacingBottom, | |
halfOutline = outlineWidth / 2, | |
outlineTop, | |
plotLeft, | |
plotWidth, | |
rendered, | |
baseSeriesOption = navigatorOptions.baseSeries, | |
baseSeries = chart.series[baseSeriesOption] || | |
(typeof baseSeriesOption === 'string' && chart.get(baseSeriesOption)) || | |
chart.series[0], | |
// element wrappers | |
leftShade, | |
rightShade, | |
outline, | |
handles = [], | |
scrollbarGroup, | |
scrollbarTrack, | |
scrollbar, | |
scrollbarRifles, | |
scrollbarButtons = []; | |
chart.resetZoomEnabled = false; | |
/** | |
* Draw one of the handles on the side of the zoomed range in the navigator | |
* @param {Number} x The x center for the handle | |
* @param {Number} index 0 for left and 1 for right | |
*/ | |
function drawHandle(x, index) { | |
var attr = { | |
fill: handlesOptions.backgroundColor, | |
stroke: handlesOptions.borderColor, | |
'stroke-width': 1 | |
}; | |
// create the elements | |
if (!rendered) { | |
// the group | |
handles[index] = renderer.g() | |
.css({ cursor: 'e-resize' }) | |
.attr({ zIndex: 3 }) | |
.add(); | |
// the rectangle | |
renderer.rect(-4.5, 0, 9, 16, 3, 1) | |
.attr(attr) | |
.add(handles[index]); | |
// the rifles | |
renderer.path([ | |
'M', | |
-1.5, 4, | |
'L', | |
-1.5, 12, | |
'M', | |
0.5, 4, | |
'L', | |
0.5, 12 | |
]).attr(attr) | |
.add(handles[index]); | |
} | |
handles[index].translate(plotLeft + scrollbarHeight + parseInt(x, 10), top + height / 2 - 8); | |
} | |
/** | |
* Draw the scrollbar buttons with arrows | |
* @param {Number} index 0 is left, 1 is right | |
*/ | |
function drawScrollbarButton(index) { | |
if (!rendered) { | |
scrollbarButtons[index] = renderer.g().add(scrollbarGroup); | |
renderer.rect( | |
-0.5, | |
-0.5, | |
scrollbarHeight + 1, // +1 to compensate for crispifying in rect method | |
scrollbarHeight + 1, | |
scrollbarOptions.buttonBorderRadius, | |
scrollbarOptions.buttonBorderWidth | |
).attr({ | |
stroke: scrollbarOptions.buttonBorderColor, | |
'stroke-width': scrollbarOptions.buttonBorderWidth, | |
fill: scrollbarOptions.buttonBackgroundColor | |
}).add(scrollbarButtons[index]); | |
renderer.path([ | |
'M', | |
scrollbarHeight / 2 + (index ? -1 : 1), scrollbarHeight / 2 - 3, | |
'L', | |
scrollbarHeight / 2 + (index ? -1 : 1), scrollbarHeight / 2 + 3, | |
scrollbarHeight / 2 + (index ? 2 : -2), scrollbarHeight / 2 | |
]).attr({ | |
fill: scrollbarOptions.buttonArrowColor | |
}).add(scrollbarButtons[index]); | |
} | |
// adjust the right side button to the varying length of the scroll track | |
if (index) { | |
scrollbarButtons[index].attr({ | |
translateX: plotWidth - scrollbarHeight | |
}); | |
} | |
} | |
/** | |
* Render the navigator and scroll bar | |
* @param {Number} min X axis value minimum | |
* @param {Number} max X axis value maximum | |
* @param {Number} pxMin Pixel value minimum | |
* @param {Number} pxMax Pixel value maximum | |
*/ | |
function render(min, max, pxMin, pxMax) { | |
var strokeWidth, | |
scrollbarStrokeWidth = scrollbarOptions.barBorderWidth, | |
centerBarX; | |
outlineTop = top + halfOutline; | |
plotLeft = chart.plotLeft; | |
plotWidth = chart.plotWidth; | |
navigatorLeft = plotLeft + scrollbarHeight; | |
pxMin = pick(pxMin, xAxis.translate(min)); | |
pxMax = pick(pxMax, xAxis.translate(max)); | |
// set the scroller x axis extremes to reflect the total | |
if (rendered && xAxis.getExtremes) { | |
var newExtremes = chart.xAxis[0].getExtremes(), | |
oldExtremes = xAxis.getExtremes(); | |
if (newExtremes.dataMin !== oldExtremes.min || | |
newExtremes.dataMax !== oldExtremes.max) { | |
xAxis.setExtremes(newExtremes.dataMin, newExtremes.dataMax); | |
} | |
} | |
// handles are allowed to cross | |
zoomedMin = parseInt(mathMin(pxMin, pxMax), 10); | |
zoomedMax = parseInt(mathMax(pxMin, pxMax), 10); | |
range = zoomedMax - zoomedMin; | |
// on first render, create all elements | |
if (!rendered) { | |
if (navigatorEnabled) { | |
leftShade = renderer.rect() | |
.attr({ | |
fill: navigatorOptions.maskFill, | |
zIndex: 3 | |
}).add(); | |
rightShade = renderer.rect() | |
.attr({ | |
fill: navigatorOptions.maskFill, | |
zIndex: 3 | |
}).add(); | |
outline = renderer.path() | |
.attr({ | |
'stroke-width': outlineWidth, | |
stroke: navigatorOptions.outlineColor, | |
zIndex: 3 | |
}) | |
.add(); | |
} | |
if (scrollbarEnabled) { | |
// draw the scrollbar group | |
scrollbarGroup = renderer.g().add(); | |
// the scrollbar track | |
strokeWidth = scrollbarOptions.trackBorderWidth; | |
scrollbarTrack = renderer.rect().attr({ | |
y: - strokeWidth % 2 / 2, | |
fill: scrollbarOptions.trackBackgroundColor, | |
stroke: scrollbarOptions.trackBorderColor, | |
'stroke-width': strokeWidth, | |
r: scrollbarOptions.trackBorderRadius || 0, | |
height: scrollbarHeight | |
}).add(scrollbarGroup); | |
// the scrollbar itself | |
scrollbar = renderer.rect() | |
.attr({ | |
y: - scrollbarStrokeWidth % 2 / 2, | |
height: scrollbarHeight, | |
fill: scrollbarOptions.barBackgroundColor, | |
stroke: scrollbarOptions.barBorderColor, | |
'stroke-width': scrollbarStrokeWidth, | |
rx: barBorderRadius, | |
ry: barBorderRadius | |
}) | |
.add(scrollbarGroup); | |
scrollbarRifles = renderer.path() | |
.attr({ | |
stroke: scrollbarOptions.rifleColor, | |
'stroke-width': 1 | |
}) | |
.add(scrollbarGroup); | |
} | |
} | |
// place elements | |
if (navigatorEnabled) { | |
leftShade.attr({ | |
x: navigatorLeft, | |
y: top, | |
width: zoomedMin, | |
height: height | |
}); | |
rightShade.attr({ | |
x: navigatorLeft + zoomedMax, | |
y: top, | |
width: plotWidth - zoomedMax - 2 * scrollbarHeight, | |
height: height | |
}); | |
outline.attr({ d: [ | |
'M', | |
plotLeft, outlineTop, // left | |
'L', | |
navigatorLeft + zoomedMin - halfOutline, outlineTop, // upper left of zoomed range | |
navigatorLeft + zoomedMin - halfOutline, outlineTop + outlineHeight, // lower left of z.r. | |
navigatorLeft + zoomedMax + halfOutline, outlineTop + outlineHeight, // lower right of z.r. | |
navigatorLeft + zoomedMax + halfOutline, outlineTop, // upper right of z.r. | |
plotLeft + plotWidth, outlineTop // right | |
]}); | |
// draw handles | |
drawHandle(zoomedMin - halfOutline, 0); | |
drawHandle(zoomedMax + halfOutline, 1); | |
} | |
// draw the scrollbar | |
if (scrollbarEnabled) { | |
// draw the buttons | |
drawScrollbarButton(0); | |
drawScrollbarButton(1); | |
scrollbarGroup.translate(plotLeft, mathRound(outlineTop + height)); | |
scrollbarTrack.attr({ | |
width: plotWidth | |
}); | |
scrollbar.attr({ | |
x: mathRound(scrollbarHeight + zoomedMin) + (scrollbarStrokeWidth % 2 / 2), | |
width: range | |
}); | |
centerBarX = scrollbarHeight + zoomedMin + range / 2 - 0.5; | |
scrollbarRifles.attr({ d: [ | |
M, | |
centerBarX - 3, scrollbarHeight / 4, | |
L, | |
centerBarX - 3, 2 * scrollbarHeight / 3, | |
M, | |
centerBarX, scrollbarHeight / 4, | |
L, | |
centerBarX, 2 * scrollbarHeight / 3, | |
M, | |
centerBarX + 3, scrollbarHeight / 4, | |
L, | |
centerBarX + 3, 2 * scrollbarHeight / 3 | |
], | |
visibility: range > 12 ? VISIBLE : HIDDEN | |
}); | |
} | |
rendered = true; | |
} | |
/** | |
* Set up the mouse and touch events for the navigator and scrollbar | |
*/ | |
function addEvents() { | |
addEvent(chart.container, MOUSEDOWN, function(e) { | |
e = chart.tracker.normalizeMouseEvent(e); | |
var chartX = e.chartX, | |
chartY = e.chartY, | |
handleSensitivity = hasTouch ? 10 : 7, | |
left, | |
isOnNavigator; | |
if (chartY > top && chartY < top + height + scrollbarHeight) { // we're vertically inside the navigator | |
isOnNavigator = !scrollbarEnabled || chartY < top + height; | |
// grab the left handle | |
if (isOnNavigator && math.abs(chartX - zoomedMin - navigatorLeft) < handleSensitivity) { | |
grabbedLeft = true; | |
otherHandlePos = zoomedMax; | |
} | |
// grab the right handle | |
else if (isOnNavigator && math.abs(chartX - zoomedMax - navigatorLeft) < handleSensitivity) { | |
grabbedRight = true; | |
otherHandlePos = zoomedMin; | |
} | |
// grab the zoomed range | |
else if (chartX > navigatorLeft + zoomedMin && chartX < navigatorLeft + zoomedMax) { | |
grabbedCenter = chartX; | |
defaultBodyCursor = bodyStyle.cursor; | |
bodyStyle.cursor = 'ew-resize'; | |
dragOffset = chartX - zoomedMin; | |
} | |
// click on the shaded areas | |
else if (chartX > plotLeft && chartX < plotLeft + plotWidth) { | |
if (isOnNavigator) { // center around the clicked point | |
left = chartX - navigatorLeft - range / 2; | |
} else { // click on scrollbar | |
if (chartX < navigatorLeft) { // click left scrollbar button | |
left = zoomedMin - mathMin(10, range); | |
} else if (chartX > plotLeft + plotWidth - scrollbarHeight) { | |
left = zoomedMin + mathMin(10, range); | |
} else { | |
// shift the scrollbar by one range | |
left = chartX < navigatorLeft + zoomedMin ? // on the left | |
zoomedMin - range : | |
zoomedMax; | |
} | |
} | |
if (left < 0) { | |
left = 0; | |
} else if (left + range > plotWidth - 2 * scrollbarHeight) { | |
left = plotWidth - range - 2 * scrollbarHeight; | |
} | |
chart.xAxis[0].setExtremes( | |
xAxis.translate(left, true), | |
xAxis.translate(left + range, true), | |
true, | |
false | |
); | |
} | |
} | |
if (e.preventDefault) { // tries to drag object when clicking on the shades | |
e.preventDefault(); | |
} | |
}); | |
addEvent(chart.container, MOUSEMOVE, function(e) { | |
e = chart.tracker.normalizeMouseEvent(e); | |
var chartX = e.chartX; | |
// validation for handle dragging | |
if (chartX < navigatorLeft) { | |
chartX = navigatorLeft; | |
} else if (chartX > plotLeft + plotWidth - scrollbarHeight) { | |
chartX = plotLeft + plotWidth - scrollbarHeight; | |
} | |
// drag left handle | |
if (grabbedLeft) { | |
hasDragged = true; | |
render(0, 0, chartX - navigatorLeft, otherHandlePos); | |
// drag right handle | |
} else if (grabbedRight) { | |
hasDragged = true; | |
render(0, 0, otherHandlePos, chartX - navigatorLeft); | |
// drag scrollbar or open area in navigator | |
} else if (grabbedCenter) { | |
hasDragged = true; | |
if (chartX < dragOffset) { // outside left | |
chartX = dragOffset; | |
} else if (chartX > plotWidth + dragOffset - range - 2 * scrollbarHeight) { // outside right | |
chartX = plotWidth + dragOffset - range - 2 * scrollbarHeight; | |
} | |
render(0, 0, chartX - dragOffset, chartX - dragOffset + range); | |
} | |
}); | |
addEvent(document, MOUSEUP, function() { | |
if (hasDragged) { | |
chart.xAxis[0].setExtremes( | |
xAxis.translate(zoomedMin, true), | |
xAxis.translate(zoomedMax, true), | |
true, | |
false | |
); | |
} | |
grabbedLeft = grabbedRight = grabbedCenter = hasDragged = dragOffset = null; | |
bodyStyle.cursor = defaultBodyCursor; | |
}); | |
} | |
/** | |
* Initiate the Scroller object | |
*/ | |
function init() { | |
var xAxisIndex = chart.xAxis.length, | |
yAxisIndex = chart.yAxis.length; | |
// make room below the chart | |
chart.extraBottomMargin = outlineHeight + navigatorOptions.margin; | |
if (navigatorEnabled) { | |
var baseOptions = baseSeries.options, | |
navigatorSeriesOptions, | |
data = baseOptions.data; | |
baseOptions.data = null; // remove it to prevent merging one by one | |
navigatorSeriesOptions = merge(baseSeries.options, navigatorOptions.series, { | |
threshold: null, // docs | |
clip: false, // docs | |
enableMouseTracking: false, | |
group: 'nav', // for columns | |
padXAxis: false, | |
xAxis: xAxisIndex, | |
yAxis: yAxisIndex, | |
name: 'Navigator', | |
showInLegend: false | |
}); | |
baseOptions.data = navigatorSeriesOptions.data = data; | |
// add the series | |
navigatorSeries = chart.initSeries(navigatorSeriesOptions); | |
// respond to updated data in the base series | |
// todo: use similiar hook when base series is not yet initialized | |
addEvent(baseSeries, 'updatedData', function() { | |
var baseExtremes = baseSeries.xAxis.getExtremes(), | |
range = baseExtremes.max - baseExtremes.min, | |
stickToMax = baseExtremes.max >= | |
navigatorSeries.xData[navigatorSeries.xData.length - 1], | |
stickToMin = baseExtremes.min - range <= | |
navigatorSeries.xData[0], | |
newMax, | |
newMin; | |
// set the navigator series data to the new data of the base series | |
navigatorSeries.options.pointStart = baseSeries.xData[0]; | |
navigatorSeries.setData(baseSeries.options.data); | |
// if the selection is already at the max, move it to the right as new data | |
// comes in | |
if (stickToMax) { | |
newMax = baseExtremes.dataMax; | |
baseSeries.xAxis.setExtremes(newMax - range, newMax); | |
} else if (stickToMin) { | |
newMin = baseExtremes.dataMin; | |
baseSeries.xAxis.setExtremes(newMin, newMin + range); | |
// if not, just move the scroller window to reflect the new series data | |
} else { | |
render( | |
mathMax(baseExtremes.min, baseExtremes.dataMin), | |
mathMin(baseExtremes.max, baseExtremes.dataMax) | |
); | |
} | |
}); | |
// an x axis is required for scrollbar also | |
xAxis = new chart.Axis(merge(navigatorOptions.xAxis, { | |
isX: true, | |
type: 'datetime', | |
index: xAxisIndex, | |
height: height, // docs + width | |
top: top, // docs + left | |
offset: 0, | |
offsetLeft: scrollbarHeight, // docs | |
offsetRight: -scrollbarHeight, // docs | |
startOnTick: false, | |
endOnTick: false, | |
minPadding: 0, | |
maxPadding: 0, | |
zoomEnabled: false | |
})); | |
yAxis = new chart.Axis(merge(navigatorOptions.yAxis, { | |
alignTicks: false, // docs | |
height: height, | |
top: top, | |
offset: 0, | |
index: yAxisIndex, | |
zoomEnabled: false | |
})); | |
// in case of scrollbar only, fake an x axis to get translation | |
} else { | |
xAxis = { | |
translate: function(value, reverse) { | |
var ext = baseSeries.xAxis.getExtremes(), | |
scrollTrackWidth = chart.plotWidth - 2 * scrollbarHeight, | |
dataMin = ext.dataMin, | |
valueRange = ext.dataMax - dataMin; | |
return reverse ? | |
// from pixel to value | |
(value * valueRange / scrollTrackWidth) + dataMin : | |
// from value to pixel | |
scrollTrackWidth * (value - dataMin) / valueRange; | |
} | |
}; | |
} | |
addEvents(); | |
} | |
// Run scroller | |
init(); | |
// Expose | |
return { | |
render: render | |
}; | |
} | |
/* **************************************************************************** | |
* End Scroller code * | |
*****************************************************************************/ | |
/* **************************************************************************** | |
* Start Range Selector code * | |
*****************************************************************************/ | |
extend(defaultOptions, { | |
rangeSelector: { | |
// enabled: true, | |
// buttons: {Object} | |
// buttonTheme: { | |
// states: { | |
// hover: {}, | |
// select: {} | |
// } | |
// }, | |
// inputEnabled: true, | |
// inputStyle: {} | |
// labelStyle: {} | |
// selected: undefined | |
// todo: | |
// - button styles for normal, hover and select state | |
// - CSS text styles | |
// - styles for the inputs and labels | |
} | |
}); | |
defaultOptions.lang = merge(defaultOptions.lang, { | |
rangeSelectorZoom: 'Zoom', | |
rangeSelectorFrom: 'From:', | |
rangeSelectorTo: 'To:' | |
}); | |
/** | |
* The object constructor for the range selector | |
* @param {Object} chart | |
*/ | |
function RangeSelector(chart) { | |
var renderer = chart.renderer, | |
rendered, | |
container = chart.container, | |
lang = defaultOptions.lang, | |
div, | |
leftBox, | |
rightBox, | |
selected, | |
buttons = [], | |
buttonOptions, | |
options, | |
defaultButtons = [{ | |
type: 'month', | |
count: 1, | |
text: '1m' | |
}, { | |
type: 'month', | |
count: 3, | |
text: '3m' | |
}, { | |
type: 'month', | |
count: 6, | |
text: '6m' | |
}, { | |
type: 'ytd', | |
text: 'YTD' | |
}, { | |
type: 'year', | |
count: 1, | |
text: '1y' | |
}, { | |
type: 'all', | |
text: 'All' | |
}]; | |
chart.resetZoomEnabled = false; | |
/** | |
* The method to run when one of the buttons in the range selectors is clicked | |
* @param {Number} i The index of the button | |
* @param {Object} rangeOptions | |
* @param {Boolean} redraw | |
*/ | |
function clickButton(i, rangeOptions, redraw) { | |
var baseAxis = chart.xAxis[0], | |
extremes = baseAxis && baseAxis.getExtremes(), | |
now, | |
dataMin = extremes && extremes.dataMin, | |
dataMax = extremes && extremes.dataMax, | |
newMin, | |
newMax = baseAxis && mathMin(extremes.max, dataMax), | |
date = new Date(newMax), | |
type = rangeOptions.type, | |
count = rangeOptions.count, | |
range, | |
rangeMin, | |
year, | |
// these time intervals have a fixed number of milliseconds, as opposed | |
// to month, ytd and year | |
fixedTimes = { | |
millisecond: 1, | |
second: 1000, | |
minute: 60 * 1000, | |
hour: 3600 * 1000, | |
day: 24 * 3600 * 1000, | |
week: 7 * 24 * 3600 * 1000 | |
}; | |
// chart has no data, base series is removed | |
if (dataMin === null || dataMax === null) { | |
return; | |
} | |
if (fixedTimes[type]) { | |
range = fixedTimes[type] * count; | |
newMin = mathMax(newMax - range, dataMin); | |
} | |
else if (type === 'month') { | |
date.setMonth(date.getMonth() - count); | |
newMin = mathMax(date.getTime(), dataMin); | |
range = 30 * 24 * 3600 * 1000 * count; | |
} | |
else if (type === 'ytd') { | |
date = new Date(0); | |
now = new Date(); | |
year = now.getFullYear(); | |
date.setFullYear(year); | |
// workaround for IE6 bug, which sets year to next year instead of current | |
if (String(year) !== dateFormat('%Y', date)) { | |
date.setFullYear(year - 1); | |
} | |
newMin = rangeMin = mathMax(dataMin || 0, date.getTime()); | |
now = now.getTime(); | |
newMax = mathMin(dataMax || now, now); | |
} | |
else if (type === 'year') { | |
date.setFullYear(date.getFullYear() - count); | |
newMin = mathMax(dataMin, date.getTime()); | |
range = 365 * 24 * 3600 * 1000 * count; | |
} | |
else if (type === 'all' && baseAxis) { | |
newMin = dataMin; | |
newMax = dataMax; | |
} | |
// mark the button pressed | |
if (buttons[i]) { | |
buttons[i].setState(2); | |
} | |
// update the chart | |
if (!baseAxis) { // axis not yet instanciated | |
chart.options.xAxis = merge( | |
chart.options.xAxis, { | |
//zoomedRange: { | |
range: range, | |
min: rangeMin | |
//} | |
} | |
); | |
selected = i; | |
} else { // existing axis object; after render time | |
setTimeout(function() { // make sure the visual state is set before the heavy process begins | |
baseAxis.setExtremes( | |
newMin, | |
newMax, | |
pick(redraw, 1), | |
0 | |
); | |
selected = i; | |
}, 1); | |
} | |
} | |
/** | |
* Initialize the range selector | |
*/ | |
function init() { | |
chart.extraTopMargin = 25; | |
options = chart.options.rangeSelector; | |
buttonOptions = options.buttons || defaultButtons; | |
selected = options.selected; | |
addEvent(container, MOUSEDOWN, function() { | |
if (leftBox) { | |
leftBox.blur(); | |
} | |
if (rightBox) { | |
rightBox.blur(); | |
} | |
}); | |
// zoomed range based on a pre-selected button index | |
if (selected !== UNDEFINED && buttonOptions[selected]) { | |
clickButton(selected, buttonOptions[selected], false); | |
} | |
// normalize the pressed button whenever a new range is selected | |
addEvent(chart, 'load', function() { | |
addEvent(chart.xAxis[0], 'setExtremes', function() { | |
if (buttons[selected]) { | |
buttons[selected].setState(0); | |
} | |
}); | |
}); | |
} | |
/** | |
* Set the internal and displayed value of a HTML input for the dates | |
* @param {Object} input | |
* @param {Number} time | |
*/ | |
function setInputValue(input, time) { | |
var format = input.hasFocus ? '%Y-%m-%d' : '%b %e, %Y'; | |
if (time) { | |
input.HCTime = time; | |
} | |
input.value = dateFormat(format, input.HCTime); | |
} | |
/** | |
* Draw either the 'from' or the 'to' HTML input box of the range selector | |
* @param {Object} name | |
*/ | |
function drawInput(name) { | |
var isMin = name === 'min', | |
input; | |
// create the text label | |
createElement('span', { | |
innerHTML: lang[isMin ? 'rangeSelectorFrom' : 'rangeSelectorTo'] | |
}, options.labelStyle, div); | |
// create the input element | |
input = createElement('input', { | |
name: name, | |
className: 'highcharts-range-selector', | |
type: 'text' | |
}, extend({ | |
width: '80px', | |
height: '16px', | |
border: '1px solid silver', | |
marginLeft: '5px', | |
marginRight: isMin ? '5px' : '0', | |
textAlign: 'center' | |
}, options.inputStyle), div); | |
input.onfocus = input.onblur = function(e) { | |
e = e || window.event; | |
input.hasFocus = e.type === 'focus'; | |
setInputValue(input); | |
}; | |
// handle changes in the input boxes | |
input.onchange = function() { | |
var inputValue = input.value, | |
value = Date.parse(inputValue), | |
extremes = chart.xAxis[0].getExtremes(); | |
// if the value isn't parsed directly to a value by the browser's Date.parse method, | |
// like YYYY-MM-DD in IE, try parsing it a different way | |
if (isNaN(value)) { | |
value = inputValue.split('-'); | |
value = Date.UTC(pInt(value[0]), pInt(value[1]) - 1, pInt(value[2])); | |
} | |
if (!isNaN(value) && | |
((isMin && (value > extremes.dataMin && value < rightBox.HCTime)) || | |
(!isMin && (value < extremes.dataMax && value > leftBox.HCTime))) | |
) { | |
chart.xAxis[0].setExtremes( | |
isMin ? value : extremes.min, | |
isMin ? extremes.max : value | |
); | |
} | |
}; | |
return input; | |
} | |
/** | |
* Render the range selector including the buttons and the inputs. The first time render | |
* is called, the elements are created and positioned. On subsequent calls, they are | |
* moved and updated. | |
* @param {Number} min X axis minimum | |
* @param {Number} max X axis maximum | |
*/ | |
function render(min, max) { | |
var chartStyle = chart.options.chart.style, | |
buttonTheme = options.buttonTheme, | |
inputEnabled = options.inputEnabled !== false, | |
states = buttonTheme && buttonTheme.states; | |
// create the elements | |
if (!rendered) { | |
renderer.text(lang.rangeSelectorZoom, chart.plotLeft, chart.plotTop - 10) | |
.css(options.labelStyle) | |
.add(); | |
each(buttonOptions, function(rangeOptions, i) { | |
buttons[i] = renderer.button( | |
rangeOptions.text, | |
chart.plotLeft + 50 + i * 30, | |
chart.plotTop - 25, | |
function() { | |
clickButton(i, rangeOptions); | |
this.isActive = true; | |
}, | |
extend(buttonTheme, { | |
padding: 1, | |
r: 0 | |
}), | |
states && states.hover, | |
states && states.select | |
) | |
.attr({ | |
width: 28, | |
height: 16 | |
}) | |
.css({ | |
textAlign: 'center' | |
}) | |
.add(); | |
if (selected === i) { | |
buttons[i].setState(2); | |
} | |
}); | |
// first create a wrapper outside the container in order to make | |
// the inputs work and make export correct | |
if (inputEnabled) { | |
div = createElement('div', null, { | |
position: 'relative', | |
height: 0, | |
fontFamily: chartStyle.fontFamily, | |
fontSize: chartStyle.fontSize | |
}, container.parentNode); | |
// create an absolutely positionied div to keep the inputs | |
div = createElement('div', null, extend({ | |
position: 'absolute', | |
top: (-chart.chartHeight + chart.plotTop - 25) +'px', | |
right: (chart.chartWidth - chart.plotLeft - chart.plotWidth) + 'px' | |
}, options.inputBoxStyle), div); | |
leftBox = drawInput('min'); | |
rightBox = drawInput('max'); | |
} | |
} | |
if (inputEnabled) { | |
setInputValue(leftBox, min); | |
setInputValue(rightBox, max); | |
} | |
rendered = true; | |
} | |
// Run RangeSelector | |
init(); | |
// Expose | |
return { | |
render: render | |
}; | |
} | |
/* **************************************************************************** | |
* End Range Selector code * | |
*****************************************************************************/ | |
/*addEvent(Chart.prototype, 'init', function(e) { | |
var chart = e.target, | |
chartOptions = chart.options; | |
// initiate the range selector | |
if (chartOptions.rangeSelector.enabled) { | |
chart.rangeSelector = new RangeSelector(chart); | |
} | |
}); | |
addEvent(Chart.prototype, 'beforeRender', function(e) { | |
var chart = e.target, | |
chartOptions = chart.options; | |
// initiate the scroller | |
if (chartOptions.navigator.enabled || chartOptions.scrollbar.enabled) { | |
chart.scroller = new Scroller(chart); | |
} | |
});*/ | |
Chart.prototype.callbacks.push(function(chart) { | |
var extremes, | |
scroller = chart.scroller, | |
rangeSelector = chart.rangeSelector; | |
function renderScroller() { | |
extremes = chart.xAxis[0].getExtremes(); | |
scroller.render( | |
mathMax(extremes.min, extremes.dataMin), | |
mathMin(extremes.max, extremes.dataMax) | |
); | |
} | |
function renderRangeSelector() { | |
extremes = chart.xAxis[0].getExtremes(); | |
rangeSelector.render(extremes.min, extremes.max); | |
} | |
// initiate the scroller | |
if (scroller) { | |
// redraw the scroller on setExtremes | |
addEvent(chart.xAxis[0], 'setExtremes', function(e) { | |
scroller.render(e.min, e.max); | |
}); | |
// redraw the scroller chart resize | |
addEvent(chart, 'resize', renderScroller); | |
// do it now | |
renderScroller(); | |
} | |
if (rangeSelector) { | |
// redraw the scroller on setExtremes | |
addEvent(chart.xAxis[0], 'setExtremes', function(e) { | |
rangeSelector.render(e.min, e.max); | |
}); | |
// redraw the scroller chart resize | |
addEvent(chart, 'resize', renderRangeSelector); | |
// do it now | |
renderRangeSelector(); | |
} | |
}); | |
/** | |
* A wrapper for Chart with all the default values for a Stock chart | |
*/ | |
Highcharts.StockChart = function(options, callback) { | |
var seriesOptions = options.series, // to increase performance, don't merge the data | |
lineOptions = { | |
marker: { | |
enabled: false, | |
states: { | |
hover: { | |
enabled: true, | |
radius: 5 | |
} | |
} | |
}, | |
shadow: false, | |
states: { | |
hover: { | |
lineWidth: 2 | |
} | |
} | |
}; | |
// apply Y axis options to both single and multi y axes | |
options.yAxis = map (splat(options.yAxis || {}), function(yAxisOptions) { | |
return merge({ | |
labels: { | |
align: 'left', | |
x: 2, | |
y: -2 | |
}, | |
showLastLabel: false, | |
title: { | |
text: null | |
} | |
}, yAxisOptions); | |
}); | |
options.series = null; | |
options = merge({ | |
chart: { | |
panning: true // docs | |
}, | |
navigator: { | |
enabled: true | |
}, | |
scrollbar: { | |
enabled: true | |
}, | |
rangeSelector: { | |
enabled: true | |
}, | |
title: { | |
text: null | |
}, | |
tooltip: { | |
shared: true, | |
crosshairs: true | |
}, | |
legend: { | |
enabled: false | |
}, | |
xAxis: { | |
title: { | |
text: null | |
}, | |
showLastLabel: true | |
}, | |
plotOptions: { | |
line: lineOptions, | |
spline: lineOptions, | |
area: lineOptions, | |
areaspline: lineOptions, | |
column: { | |
shadow: false, | |
borderWidth: 0 | |
} | |
} | |
}, | |
options, // user's options | |
{ // forced options | |
chart: { | |
inverted: false | |
}, | |
xAxis: { | |
type: 'datetime', | |
categories: null | |
} | |
}); | |
options.series = seriesOptions; | |
return new Chart(options, callback); | |
}; | |
// global variables | |
extend(Highcharts, { | |
Chart: Chart, | |
dateFormat: dateFormat, | |
pathAnim: pathAnim, | |
getOptions: getOptions, | |
numberFormat: numberFormat, | |
Point: Point, | |
Color: Color, | |
Renderer: Renderer, | |
seriesTypes: seriesTypes, | |
setOptions: setOptions, | |
Series: Series, | |
// Expose utility funcitons for modules | |
addEvent: addEvent, | |
removeEvent: removeEvent, | |
createElement: createElement, | |
discardElement: discardElement, | |
css: css, | |
each: each, | |
extend: extend, | |
map: map, | |
merge: merge, | |
pick: pick, | |
splat: splat, | |
extendClass: extendClass, | |
version: 'Highstock 1.0 Beta' | |
}); | |
}()); |
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