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81 lines
3.0 KiB
81 lines
3.0 KiB
<!doctype html>
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<html>
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<head>
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<title>Combo Bar-Line Chart</title>
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<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
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<script src="../dist/Chart.bundle.js"></script>
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<style>
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canvas {
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-moz-user-select: none;
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-webkit-user-select: none;
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-ms-user-select: none;
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}
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</style>
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</head>
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<body>
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<div style="width: 75%">
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<canvas id="canvas"></canvas>
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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() {
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return (Math.random() > 0.5 ? 1.0 : -1.0) * Math.round(Math.random() * 100);
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};
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var randomColorFactor = function() {
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return Math.round(Math.random() * 255);
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};
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var barChartData = {
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labels: ["January", "February", "March", "April", "May", "June", "July"],
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datasets: [{
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type: 'bar',
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label: 'Dataset 1',
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backgroundColor: "rgba(151,187,205,0.5)",
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data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()],
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borderColor: 'white',
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borderWidth: 2
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}, {
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type: 'line',
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label: 'Dataset 2',
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backgroundColor: "rgba(151,187,205,0.5)",
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data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()],
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borderColor: 'white',
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borderWidth: 2
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}, {
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type: 'bar',
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label: 'Dataset 3',
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backgroundColor: "rgba(220,220,220,0.5)",
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data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()]
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}, ]
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};
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window.onload = function() {
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var ctx = document.getElementById("canvas").getContext("2d");
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window.myBar = new Chart(ctx, {
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type: 'bar',
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data: barChartData,
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options: {
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responsive: true,
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title: {
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display: true,
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text: 'Chart.js Combo Bar Line Chart'
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}
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}
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});
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};
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$('#randomizeData').click(function() {
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$.each(barChartData.datasets, function(i, dataset) {
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dataset.backgroundColor = 'rgba(' + randomColorFactor() + ',' + randomColorFactor() + ',' + randomColorFactor() + ',.7)';
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dataset.data = [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()];
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});
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window.myBar.update();
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});
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</script>
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</body>
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</html>
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