2015-10-05 20:40:28 +02:00
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<!doctype html>
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<html>
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<head>
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2018-02-03 13:28:54 +01:00
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<title>Bubble Chart</title>
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<script src="../../dist/Chart.bundle.js"></script>
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<script src="../utils.js"></script>
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<style type="text/css">
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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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2015-10-05 20:40:28 +02:00
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</head>
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<body>
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2018-02-03 13:28:54 +01:00
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<div id="container" 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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<button id="addDataset">Add Dataset</button>
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<button id="removeDataset">Remove Dataset</button>
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<button id="addData">Add Data</button>
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<button id="removeData">Remove Data</button>
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<script>
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var DEFAULT_DATASET_SIZE = 7;
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2016-02-28 06:13:09 +01:00
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2018-02-03 13:28:54 +01:00
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var addedCount = 0;
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var color = Chart.helpers.color;
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var bubbleChartData = {
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animation: {
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duration: 10000
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},
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datasets: [{
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label: 'My First dataset',
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backgroundColor: color(window.chartColors.red).alpha(0.5).rgbString(),
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borderColor: window.chartColors.red,
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borderWidth: 1,
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data: [{
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}]
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}, {
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label: 'My Second dataset',
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backgroundColor: color(window.chartColors.orange).alpha(0.5).rgbString(),
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borderColor: window.chartColors.orange,
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borderWidth: 1,
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data: [{
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}, {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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}]
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}]
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};
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2015-10-05 20:40:28 +02:00
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2018-02-03 13:28:54 +01:00
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window.onload = function() {
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var ctx = document.getElementById('canvas').getContext('2d');
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window.myChart = new Chart(ctx, {
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type: 'bubble',
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data: bubbleChartData,
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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 Bubble Chart'
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},
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tooltips: {
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mode: 'point'
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}
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}
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});
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};
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2015-10-05 20:40:28 +02:00
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2018-02-03 13:28:54 +01:00
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document.getElementById('randomizeData').addEventListener('click', function() {
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bubbleChartData.datasets.forEach(function(dataset) {
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dataset.data = dataset.data.map(function() {
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return {
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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};
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});
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});
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window.myChart.update();
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});
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2015-10-05 20:40:28 +02:00
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2018-02-03 13:28:54 +01:00
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var colorNames = Object.keys(window.chartColors);
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document.getElementById('addDataset').addEventListener('click', function() {
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++addedCount;
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var colorName = colorNames[bubbleChartData.datasets.length % colorNames.length];
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var dsColor = window.chartColors[colorName];
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var newDataset = {
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label: 'My added dataset ' + addedCount,
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backgroundColor: color(dsColor).alpha(0.5).rgbString(),
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borderColor: dsColor,
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borderWidth: 1,
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data: []
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};
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2015-10-05 20:40:28 +02:00
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2018-02-03 13:28:54 +01:00
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for (var index = 0; index < DEFAULT_DATASET_SIZE; ++index) {
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newDataset.data.push({
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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});
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}
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2015-10-05 20:40:28 +02:00
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2018-02-03 13:28:54 +01:00
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bubbleChartData.datasets.push(newDataset);
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window.myChart.update();
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});
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2015-10-05 20:40:28 +02:00
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2018-02-03 13:28:54 +01:00
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document.getElementById('addData').addEventListener('click', function() {
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if (bubbleChartData.datasets.length > 0) {
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for (var index = 0; index < bubbleChartData.datasets.length; ++index) {
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bubbleChartData.datasets[index].data.push({
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x: randomScalingFactor(),
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y: randomScalingFactor(),
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r: Math.abs(randomScalingFactor()) / 5,
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});
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}
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2015-10-05 20:40:28 +02:00
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2018-02-03 13:28:54 +01:00
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window.myChart.update();
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}
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});
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2015-10-05 20:40:28 +02:00
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2018-02-03 13:28:54 +01:00
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document.getElementById('removeDataset').addEventListener('click', function() {
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bubbleChartData.datasets.splice(0, 1);
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window.myChart.update();
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});
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2015-10-05 20:40:28 +02:00
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2018-02-03 13:28:54 +01:00
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document.getElementById('removeData').addEventListener('click', function() {
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bubbleChartData.datasets.forEach(function(dataset) {
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dataset.data.pop();
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});
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2015-10-05 20:40:28 +02:00
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2018-02-03 13:28:54 +01:00
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window.myChart.update();
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});
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</script>
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2015-10-05 20:40:28 +02:00
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</body>
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</html>
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