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Umesh-Markande/.block

Created October 7, 2018 15:20
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Reverse horizontal bar with brush d3 v4
Raw
.block
license: mit
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<script src="http://d3js.org/d3.v4.min.js"></script>
<style>
body {
margin: 15px;
background-color: #F1F3F3
}
.bar {
fill: #6F257F;
}
.minibar {
fill: #6F257F;
}
.axis path,
.axis line {
fill: none;
stroke: #D4D8DA;
stroke-width: 1px;
shape-rendering: crispEdges;
}
.x path {
display: none;
}
.toolTip {
position: absolute;
display: none;
min-width: 80px;
height: auto;
background: none repeat scroll 0 0 #ffffff;
border: 1px solid #6F257F;
padding: 14px;
text-align: center;
}
</style>
</head>
<body>
<svg width="960" height="500"></svg>
<script>
var svg = d3.select("svg"),
margin = {
top: 10,
right: 135,
bottom: 70,
left: 10
},
margin2 = {
top: 10,
right: 135,
bottom: 70,
left: 50
},
width = +svg.attr("width") - margin.left - margin.right,
height = +svg.attr("height") - margin.top - margin.bottom;
var width2 = (svg.attr('width') / 30) + (margin.left / 5);
var tooltip = d3.select("body").append("div").attr("class", "toolTip");
var x = d3.scaleLinear().range([width, 0]);
var y = d3.scaleBand().range([height, 0]);
y2 = d3.scaleBand().range([height, 0]).padding(0.1);
x2 = d3.scaleLinear().range([width2, 0]);
var g = svg.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var data = [{
"area": "central ",
"value": 18000
}, {
"area": "Riverside ",
"value": 17000
}, {
"area": "Picton ",
"value": 80000
}, {
"area": "Everton ",
"value": 55000
}, {
"area": "Kensington ",
"value": 100000
}, {
"area": "Kirkdale",
"value": 50000
}]
data.sort(function(a, b) {
return a.value - b.value;
});
x.domain([0, d3.max(data, function(d) {
return d.value;
})]);
y.domain(data.map(function(d) {
return d.area;
})).padding(0.1);
y2.domain(data.map(function(d) {
return d.area
})).padding(0.1);
x2.domain([0, d3.max(data, function(d) {
return d.value
})]);;
var translate = 0;
g.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x).ticks(5).tickFormat(function(d) {
return parseInt(d / 1000);
}).tickSizeInner([-height]))
.selectAll('.tick').attr("transform", (d) => {
if (translate < x(d)) {
translate = x(d);
}
return "translate(" + x(d) + ",0)"
});;;
g.append("g")
.attr("class", "y axis")
.attr("transform", "translate(" + translate + ",0)")
.call(d3.axisRight(y));;
g.selectAll(".bar")
.data(data)
.enter().append("rect")
.attr("class", "bar")
.attr("x", function(d) {
return x(d.value)
})
.attr("height", y.bandwidth())
.attr("y", function(d) {
return y(d.area);
})
.attr("width", function(d) {
return x(0) - x(d.value);
})
.on("mousemove", function(d) {
tooltip
.style("left", d3.event.pageX - 50 + "px")
.style("top", d3.event.pageY - 70 + "px")
.style("display", "inline-block")
.html((d.area) + "<br>" + "£" + (d.value));
})
.on("mouseout", function(d) {
tooltip.style("display", "none");
});;
g.append('g').attr('transform', 'translate(' + ((width + margin.left + margin.right) - margin2.left) + ',0)')
.selectAll('.minibar')
.data(data)
.enter().append("rect")
.attr("class", "minibar")
.attr("x", function(d) {
return x2(d.value)
})
.attr("height", y2.bandwidth())
.attr("y", function(d) {
return y2(d.area)
})
.attr("width", function(d) {
return x2(0) - x2(d.value);
});
var brushExtent = 400;
this.brush = d3.brushY()
.extent([
[0, 0],
[width2, height]
])
.on('brush end', brushed);;;
this.g.append("g")
.attr('transform', 'translate(' + ((width + margin.left + margin.right) - margin2.left) + ',0)')
.attr("class", "brush")
.call(brush)
.call(brush.move, [0, brushExtent])
function brushed() {
if (d3.event.sourceEvent && d3.event.sourceEvent.type === 'zoom') return; // ignore brush-by-zoom
var selected = d3.event.selection || y2.range();
var newData = [];
y2.domain().forEach(function(d) {
var pos = y2(d) + y2.bandwidth() / 2;
if (pos > selected[0] && pos < selected[1]) {
newData.push(d);
}
});
let updateData = [];;
newData.forEach((d) => {
data.map(function(obj) {
if (obj.area == d) {
updateData.push(obj);
}
})
});;
y.domain(updateData.map(function(d) {
return d.area
}));
x.domain([0, d3.max(updateData, function(d) {
return d.value
})]);;
var xAxis = d3.axisBottom(x)
var yAxis = d3.axisRight(y);
xAxis.ticks(10)
.tickSize(-this.height);
yAxis.ticks(10)
.tickSize(-this.width);
var xCount = [];;
g.selectAll('.axis.x')
.call(xAxis)
.selectAll("text").text(
function(d, i) {
xCount[i] = d;
return d
})
.attr("transform", function(d) {
return "rotate(65)"
}).attr("x", "30")
.attr("y", "0")
g.selectAll('.axis.y')
.call(yAxis)
.selectAll("text").text(function(d, i) {
return d
}).append("svg:title")
.text(function(d) {
return d
});;
d3.selectAll('.bar').remove();;
g.selectAll(".bar")
.data(updateData)
.enter().append("rect")
.attr("class", "bar")
.attr("x", function(d) {
return x(d.value)
})
.attr("height", y.bandwidth())
.attr("y", function(d) {
return y(d.area);
})
.attr("width", function(d) {
return x(0) - x(d.value);
});
}
</script>
</body>
</html>
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