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71 lines
1.6 KiB
HTML
71 lines
1.6 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>Pie Chart</title>
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<script src="../Chart.js"></script>
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<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
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</head>
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<body>
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<div id="canvas-holder">
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<canvas id="chart-area" width="300" height="300"/>
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</div>
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<button id="randomizeData">Randomize Data</button>
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<script>
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var randomScalingFactor = function(){ return Math.round(Math.random()*100)};
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var randomColorFactor = function(){ return Math.round(Math.random()*255)};
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var pieData = [
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{
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value: randomScalingFactor(),
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color:"#F7464A",
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highlight: "#FF5A5E",
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label: "Red"
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},
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{
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value: randomScalingFactor(),
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color: "#46BFBD",
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highlight: "#5AD3D1",
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label: "Green"
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},
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{
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value: randomScalingFactor(),
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color: "#FDB45C",
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highlight: "#FFC870",
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label: "Yellow"
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},
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{
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value: randomScalingFactor(),
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color: "#949FB1",
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highlight: "#A8B3C5",
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label: "Grey"
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},
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{
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value: randomScalingFactor(),
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color: "#4D5360",
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highlight: "#616774",
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label: "Dark Grey"
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}
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];
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window.onload = function(){
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var ctx = document.getElementById("chart-area").getContext("2d");
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window.myPie = new Chart(ctx).Pie(pieData);
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};
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$('#randomizeData').click(function(){
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$.each(pieData, function(i, piece){
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pieData[i].value = randomScalingFactor();
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pieData[i].color = 'rgba(' + randomColorFactor() + ',' + randomColorFactor() + ',' + randomColorFactor() + ',.7)';
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});
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window.myPie.update();
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});
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</script>
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</body>
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</html>
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