147 lines
4.5 KiB
HTML
147 lines
4.5 KiB
HTML
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<!doctype html>
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<html>
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<head>
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<title>Radar Chart</title>
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<script src="../../Chart.bundle.js"></script>
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<script src="../utils.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:40%">
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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 randomScalingFactor = function() {
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return Math.round(Math.random() * 100);
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};
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var color = Chart.helpers.color;
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var config = {
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type: 'radar',
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data: {
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labels: [["Eating", "Dinner"], ["Drinking", "Water"], "Sleeping", ["Designing", "Graphics"], "Coding", "Cycling", "Running"],
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datasets: [{
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label: "My First dataset",
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backgroundColor: color(window.chartColors.red).alpha(0.2).rgbString(),
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borderColor: window.chartColors.red,
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pointBackgroundColor: window.chartColors.red,
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data: [
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor()
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]
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}, {
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label: "My Second dataset",
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backgroundColor: color(window.chartColors.blue).alpha(0.2).rgbString(),
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borderColor: window.chartColors.blue,
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pointBackgroundColor: window.chartColors.blue,
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data: [
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor()
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]
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},]
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},
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options: {
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legend: {
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position: 'top',
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},
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title: {
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display: true,
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text: 'Chart.js Radar Chart'
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},
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scale: {
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ticks: {
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beginAtZero: true
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}
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}
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}
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};
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window.onload = function() {
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window.myRadar = new Chart(document.getElementById("canvas"), config);
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};
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document.getElementById('randomizeData').addEventListener('click', function() {
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config.data.datasets.forEach(function(dataset) {
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dataset.data = dataset.data.map(function() {
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return randomScalingFactor();
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});
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});
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window.myRadar.update();
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});
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var colorNames = Object.keys(window.chartColors);
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document.getElementById('addDataset').addEventListener('click', function() {
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var colorName = colorNames[config.data.datasets.length % colorNames.length];;
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var newColor = window.chartColors[colorName];
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var newDataset = {
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label: 'Dataset ' + config.data.datasets.length,
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borderColor: newColor,
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backgroundColor: color(newColor).alpha(0.2).rgbString(),
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pointBorderColor: newColor,
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data: [],
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};
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for (var index = 0; index < config.data.labels.length; ++index) {
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newDataset.data.push(randomScalingFactor());
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}
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config.data.datasets.push(newDataset);
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window.myRadar.update();
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});
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document.getElementById('addData').addEventListener('click', function() {
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if (config.data.datasets.length > 0) {
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config.data.labels.push('dataset #' + config.data.labels.length);
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config.data.datasets.forEach(function (dataset) {
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dataset.data.push(randomScalingFactor());
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});
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window.myRadar.update();
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}
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});
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document.getElementById('removeDataset').addEventListener('click', function() {
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config.data.datasets.splice(0, 1);
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window.myRadar.update();
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});
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document.getElementById('removeData').addEventListener('click', function() {
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config.data.labels.pop(); // remove the label first
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config.data.datasets.forEach(function(dataset) {
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dataset.data.pop();
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});
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window.myRadar.update();
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});
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</script>
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</body>
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</html>
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