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<div id="pieChart" class="chart"></div>
@import url(//fonts.googleapis.com/css?family=Oswald:400);
* {
margin: 0;
padding: 0;
}
body {
background: #ddd;
font-family: "Oswald", "Helvetica Newe", Helvetica, sans-serif;
}
.chart {
position: absolute;
width: 700px;
height: 700px;
top: 50%;
left: 50%;
margin: -225px 0 0 -225px;
}
.pieTip {
position: absolute;
float: left;
min-width: 30px;
max-width: 300px;
padding: 5px 18px 6px;
border-radius: 2px;
background: rgba(255,255,255,.97);
color: #444;
font-size: 19px;
text-shadow: 0 1px 0 #fff;
text-transform: uppercase;
text-align: center;
line-height: 1.3;
letter-spacing: .06em;
box-shadow: 0 0 3px rgba(0,0,0,0.2), 0 1px 2px rgba(0,0,0,0.5);
-webkit-transform: all .3s;
-moz-transform: all .3s;
-ms-transform: all .3s;
-o-transform: all .3s;
transform: all .3s;
pointer-events: none;
}
.pieTip:after {
position: absolute;
left: 50%;
bottom: -6px;
content: "";
height: 0;
margin: 0 0 0 -6px;
border-right: 5px solid transparent;
border-left: 5px solid transparent;
border-top: 6px solid rgba(255,255,255,.95);
line-height: 0;
}
.chart path { cursor: pointer; }
$(function(){
$("#pieChart").drawPieChart([
{ title: "Cash", value : 40, color: "#2C3E50" },
{ title: "Fixed Interest", value: 8, color: "#fe4400" },
{ title: "Property", value: 24, color: "#018ab6" },
{ title: "Australian shares", value : 16, color: "#fff100" },
{ title: "Intl. shares", value : 12, color: "#D7DADB" }
]);
});
/*!
* jquery.drawPieChart.js
* Version: 0.3(Beta)
* Inspired by Chart.js(http://www.chartjs.org/)
*
* Copyright 2013 hiro
* https://github.com/githiro/drawPieChart
* Released under the MIT license.
*/
;(function($, undefined) {
$.fn.drawPieChart = function(data, options) {
var $this = this,
W = $this.width(),
H = $this.height(),
centerX = W/2,
centerY = H/2,
cos = Math.cos,
sin = Math.sin,
PI = Math.PI,
settings = $.extend({
segmentShowStroke : true,
segmentStrokeColor : "#fff",
segmentStrokeWidth : 1,
baseColor: "#fff",
baseOffset: 15,
edgeOffset: 30,//offset from edge of $this
pieSegmentGroupClass: "pieSegmentGroup",
pieSegmentClass: "pieSegment",
lightPiesOffset: 12,//lighten pie's width
lightPiesOpacity: .3,//lighten pie's default opacity
lightPieClass: "lightPie",
animation : true,
animationSteps : 90,
animationEasing : "easeInOutExpo",
tipOffsetX: -15,
tipOffsetY: -45,
tipClass: "pieTip",
beforeDraw: function(){ },
afterDrawed : function(){ },
onPieMouseenter : function(e,data){ },
onPieMouseleave : function(e,data){ },
onPieClick : function(e,data){ }
}, options),
animationOptions = {
linear : function (t){
return t;
},
easeInOutExpo: function (t) {
var v = t<.5 ? 8*t*t*t*t : 1-8*(--t)*t*t*t;
return (v>1) ? 1 : v;
}
},
requestAnimFrame = function(){
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function(callback) {
window.setTimeout(callback, 1000 / 60);
};
}();
var $wrapper = $('<svg width="' + W + '" height="' + H + '" viewBox="0 0 ' + W + ' ' + H + '" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"></svg>').appendTo($this);
var $groups = [],
$pies = [],
$lightPies = [],
easingFunction = animationOptions[settings.animationEasing],
pieRadius = Min([H/2,W/2]) - settings.edgeOffset,
segmentTotal = 0;
//Draw base circle
var drawBasePie = function(){
var base = document.createElementNS('http://www.w3.org/2000/svg', 'circle');
var $base = $(base).appendTo($wrapper);
base.setAttribute("cx", centerX);
base.setAttribute("cy", centerY);
base.setAttribute("r", pieRadius+settings.baseOffset);
base.setAttribute("fill", settings.baseColor);
}();
//Set up pie segments wrapper
var pathGroup = document.createElementNS('http://www.w3.org/2000/svg', 'g');
var $pathGroup = $(pathGroup).appendTo($wrapper);
$pathGroup[0].setAttribute("opacity",0);
//Set up tooltip
var $tip = $('<div class="' + settings.tipClass + '" />').appendTo('body').hide(),
tipW = $tip.width(),
tipH = $tip.height();
for (var i = 0, len = data.length; i < len; i++){
segmentTotal += data[i].value;
var g = document.createElementNS('http://www.w3.org/2000/svg', 'g');
g.setAttribute("data-order", i);
g.setAttribute("class", settings.pieSegmentGroupClass);
$groups[i] = $(g).appendTo($pathGroup);
$groups[i]
.on("mouseenter", pathMouseEnter)
.on("mouseleave", pathMouseLeave)
.on("mousemove", pathMouseMove)
.on("click", pathClick);
var p = document.createElementNS('http://www.w3.org/2000/svg', 'path');
p.setAttribute("stroke-width", settings.segmentStrokeWidth);
p.setAttribute("stroke", settings.segmentStrokeColor);
p.setAttribute("stroke-miterlimit", 2);
p.setAttribute("fill", data[i].color);
p.setAttribute("class", settings.pieSegmentClass);
$pies[i] = $(p).appendTo($groups[i]);
var lp = document.createElementNS('http://www.w3.org/2000/svg', 'path');
lp.setAttribute("stroke-width", settings.segmentStrokeWidth);
lp.setAttribute("stroke", settings.segmentStrokeColor);
lp.setAttribute("stroke-miterlimit", 2);
lp.setAttribute("fill", data[i].color);
lp.setAttribute("opacity", settings.lightPiesOpacity);
lp.setAttribute("class", settings.lightPieClass);
$lightPies[i] = $(lp).appendTo($groups[i]);
}
settings.beforeDraw.call($this);
//Animation start
triggerAnimation();
function pathMouseEnter(e){
var index = $(this).data().order;
$tip.text(data[index].title + ": " + data[index].value).fadeIn(200);
if ($groups[index][0].getAttribute("data-active") !== "active"){
$lightPies[index].animate({opacity: .8}, 180);
}
settings.onPieMouseenter.apply($(this),[e,data]);
}
function pathMouseLeave(e){
var index = $(this).data().order;
$tip.hide();
if ($groups[index][0].getAttribute("data-active") !== "active"){
$lightPies[index].animate({opacity: settings.lightPiesOpacity}, 100);
}
settings.onPieMouseleave.apply($(this),[e,data]);
}
function pathMouseMove(e){
$tip.css({
top: e.pageY + settings.tipOffsetY,
left: e.pageX - $tip.width() / 2 + settings.tipOffsetX
});
}
function pathClick(e){
var index = $(this).data().order;
var targetGroup = $groups[index][0];
for (var i = 0, len = data.length; i < len; i++){
if (i === index) continue;
$groups[i][0].setAttribute("data-active","");
$lightPies[i].css({opacity: settings.lightPiesOpacity});
}
if (targetGroup.getAttribute("data-active") === "active"){
targetGroup.setAttribute("data-active","");
$lightPies[index].css({opacity: .8});
} else {
targetGroup.setAttribute("data-active","active");
$lightPies[index].css({opacity: 1});
}
settings.onPieClick.apply($(this),[e,data]);
}
function drawPieSegments (animationDecimal){
var startRadius = -PI/2,//-90 degree
rotateAnimation = 1;
if (settings.animation) {
rotateAnimation = animationDecimal;//count up between0~1
}
$pathGroup[0].setAttribute("opacity",animationDecimal);
//draw each path
for (var i = 0, len = data.length; i < len; i++){
var segmentAngle = rotateAnimation * ((data[i].value/segmentTotal) * (PI*2)),//start radian
endRadius = startRadius + segmentAngle,
largeArc = ((endRadius - startRadius) % (PI * 2)) > PI ? 1 : 0,
startX = centerX + cos(startRadius) * pieRadius,
startY = centerY + sin(startRadius) * pieRadius,
endX = centerX + cos(endRadius) * pieRadius,
endY = centerY + sin(endRadius) * pieRadius,
startX2 = centerX + cos(startRadius) * (pieRadius + settings.lightPiesOffset),
startY2 = centerY + sin(startRadius) * (pieRadius + settings.lightPiesOffset),
endX2 = centerX + cos(endRadius) * (pieRadius + settings.lightPiesOffset),
endY2 = centerY + sin(endRadius) * (pieRadius + settings.lightPiesOffset);
var cmd = [
'M', startX, startY,//Move pointer
'A', pieRadius, pieRadius, 0, largeArc, 1, endX, endY,//Draw outer arc path
'L', centerX, centerY,//Draw line to the center.
'Z'//Cloth path
];
var cmd2 = [
'M', startX2, startY2,
'A', pieRadius + settings.lightPiesOffset, pieRadius + settings.lightPiesOffset, 0, largeArc, 1, endX2, endY2,//Draw outer arc path
'L', centerX, centerY,
'Z'
];
$pies[i][0].setAttribute("d",cmd.join(' '));
$lightPies[i][0].setAttribute("d", cmd2.join(' '));
startRadius += segmentAngle;
}
}
var animFrameAmount = (settings.animation)? 1/settings.animationSteps : 1,//if settings.animationSteps is 10, animFrameAmount is 0.1
animCount =(settings.animation)? 0 : 1;
function triggerAnimation(){
if (settings.animation) {
requestAnimFrame(animationLoop);
} else {
drawPieSegments(1);
}
}
function animationLoop(){
animCount += animFrameAmount;//animCount start from 0, after "settings.animationSteps"-times executed, animCount reaches 1.
drawPieSegments(easingFunction(animCount));
if (animCount < 1){
requestAnimFrame(arguments.callee);
} else {
settings.afterDrawed.call($this);
}
}
function Max(arr){
return Math.max.apply(null, arr);
}
function Min(arr){
return Math.min.apply(null, arr);
}
return $this;
};
})(jQuery);
Also see: Tab Triggers