mirror of
https://github.com/chartjs/Chart.js.git
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f23b640c81
- set title - set same size canvas as other samples - fix x-axis labels when adding data - remove user select from canvas
170 lines
5.9 KiB
HTML
170 lines
5.9 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title> Animation Callbacks </title>
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<script src="../../dist/Chart.bundle.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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<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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<progress id="animationProgress" max="1" value="0" style="width: 100%"></progress>
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</div>
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<br>
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<br>
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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 MONTHS = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
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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 randomColorFactor = function() {
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return Math.round(Math.random() * 255);
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};
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var randomColor = function(opacity) {
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return 'rgba(' + randomColorFactor() + ',' + randomColorFactor() + ',' + randomColorFactor() + ',' + (opacity || '.3') + ')';
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};
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var $progress = $('#animationProgress');
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var config = {
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type: 'line',
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data: {
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labels: ["January", "February", "March", "April", "May", "June", "July"],
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datasets: [{
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label: "My First dataset ",
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data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()],
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fill: false,
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borderDash: [5, 5],
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}, {
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label: "My Second dataset ",
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data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()],
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}]
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},
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options: {
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title:{
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display:true,
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text:"Chart.js Line Chart - Animation Progress Bar"
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},
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animation: {
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duration: 2000,
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onProgress: function(animation) {
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$progress.attr({
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value: animation.animationObject.currentStep / animation.animationObject.numSteps,
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});
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},
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onComplete: function(animation) {
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window.setTimeout(function() {
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$progress.attr({
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value: 0
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});
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}, 2000);
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}
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},
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tooltips: {
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mode: 'label',
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},
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scales: {
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xAxes: [{
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scaleLabel: {
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show: true,
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labelString: 'Month'
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}
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}],
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yAxes: [{
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scaleLabel: {
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show: true,
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labelString: 'Value'
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},
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}]
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}
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}
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};
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$.each(config.data.datasets, function(i, dataset) {
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dataset.borderColor = randomColor(0.4);
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dataset.backgroundColor = randomColor(0.5);
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dataset.pointBorderColor = randomColor(0.7);
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dataset.pointBackgroundColor = randomColor(0.5);
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dataset.pointBorderWidth = 1;
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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.myLine = new Chart(ctx, config);
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};
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$('#randomizeData').click(function() {
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$.each(config.data.datasets, function(i, 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.myLine.update();
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});
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$('#addDataset').click(function() {
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var newDataset = {
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label: 'Dataset ' + config.data.datasets.length,
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borderColor: randomColor(0.4),
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backgroundColor: randomColor(0.5),
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pointBorderColor: randomColor(0.7),
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pointBackgroundColor: randomColor(0.5),
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pointBorderWidth: 1,
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data: [],
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};
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for (var index = 0; index < config.data.labels.length; ++index) {
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newDataset.data.push(randomScalingFactor());
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}
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config.data.datasets.push(newDataset);
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window.myLine.update();
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});
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$('#addData').click(function() {
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if (config.data.datasets.length > 0) {
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var month = MONTHS[config.data.labels.length % MONTHS.length];
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config.data.labels.push(month);
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$.each(config.data.datasets, function(i, dataset) {
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dataset.data.push(randomScalingFactor());
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});
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window.myLine.update();
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}
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});
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$('#removeDataset').click(function() {
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config.data.datasets.splice(0, 1);
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window.myLine.update();
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});
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$('#removeData').click(function() {
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config.data.labels.splice(-1, 1); // remove the label first
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config.data.datasets.forEach(function(dataset, datasetIndex) {
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dataset.data.pop();
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});
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window.myLine.update();
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});
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</script>
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</body>
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</html> |