Created
October 2, 2012 06:16
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fileAPI test code (image encode base64)
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> | |
<meta http-equiv="Content-Style-Type" content="text/css"> | |
<meta http-equiv="Content-Script-Type" content="text/javascript"> | |
<link rel="stylesheet" media="all" type="text/css" href="styles.css"> | |
</head> | |
<body> | |
<form id="fileSelect"> | |
<input type="file" id="myFile"> | |
</form> | |
<textarea id="output"></textarea> | |
<div id="fileDetail"></div> | |
<div id="imgOutput"></div> | |
<div id="debug"></div> | |
<script src="https://raw.github.com/zentooo/Riddle.js/develop/src/riddle.min.js"></script> | |
<script src="script.js"></script> | |
</body> | |
</html> |
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(function () { | |
// For Debug | |
function Error (message) { | |
if (console) { | |
console.log(message); | |
} else if (document.getElementById("debug")) { | |
document.getElementById("debug").innerText += message; | |
} else { | |
alert(message); | |
}; | |
}; | |
File.opeCheck = function () { | |
if (window.File && window.FileReader && window.FileList && window.Blob) { | |
return true; | |
} else { | |
Error("The File APIs are not fully supported in this browser"); | |
return false; | |
}; | |
}; | |
File.reader = function (file) { | |
var reader = new FileReader(), output = "output"; | |
reader.onload = function (e) { | |
document.getElementById(output).innerHTML = e.target.result; | |
File.imgOutput(e.target.result); | |
}; | |
reader.readAsDataURL(file); | |
}; | |
File.detail = function (file) { | |
var dispElm = "fileDetail", | |
items = [ "name", "size", "type", "lastModifiedDate" ], | |
text = "", | |
prop, i, l; | |
for ( i = 0, l = items.length; i < l; i = i + 1) { | |
prop = items[i]; | |
text += prop + " : " + file[prop] + "<br>"; | |
}; | |
r("#" + dispElm).html(text); | |
}; | |
File.imgOutput = function(data) { | |
var wrapper = "imgOutput"; | |
r("#" + wrapper).html( '<img src="' + data + '">' ); | |
}; | |
File.selectInput = function () { | |
var inputElm = "myFile", file; | |
// delete or rewrite here | |
if (typeof r("#" + inputElm)[0] === "undefined") { | |
return false; | |
}; | |
r("#"+inputElm).bind("change", function () { | |
file = document.getElementById(inputElm).files[0]; | |
if (typeof file === "undefined") { | |
Error("There is no file"); | |
return false; | |
}; | |
if (!/^image\/(png|jpeg|gif)$/.test(file.type)) { | |
Error("This file is not image data"); | |
return false; | |
}; | |
File.reader(file); | |
File.detail(file); | |
}); | |
}; | |
// Do Action | |
if (File.opeCheck() === false) { | |
return false; | |
} else { | |
File.selectInput(); | |
}; | |
// End of Code | |
}()); |
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body{line-height:1.4;font-family:'ヒラギノ角ゴ Pro W3','Hiragino Kaku Gothic Pro','メイリオ',Meiryo,'MS Pゴシック',sans-serif;font-size:14px;} | |
.func{text-decoration:underline;color:#3B5999;cursor:pointer;} | |
.func:hover{text-decoration:none;} | |
.func:active{color:#ffcc00;} | |
#output{width:400px;height:200px;display:block;} | |
#imgOutput img{border:5px solid #ddd;} |
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