--- /dev/null
+<!doctype html>
+<html>
+<head>
+ <title> Animation Callbacks </title>
+ <script src="../../Chart.js"></script>
+ <script src="../../node_modules/jquery/dist/jquery.min.js"></script>
+ <style>
+ canvas {
+ -webkit-box-shadow: 0 0 20px 0 rgba(0, 0, 0, .5);
+ }
+ </style>
+</head>
+
+<body>
+ <div style="width: 100 %;">
+ <canvas id="canvas" style="width: 100 % ;height: 100 %"></canvas>
+ <progress id="animationProgress" max="1" value="0" style="width: 100%"></progress>
+ </div>
+ <br>
+ <br>
+ <button id="randomizeData">Randomize Data</button>
+ <button id="addDataset">Add Dataset</button>
+ <button id="removeDataset">Remove Dataset</button>
+ <button id="addData">Add Data</button>
+ <button id="removeData">Remove Data</button>
+ <script>
+ var randomScalingFactor = function() {
+ return Math.round(Math.random() * 100);
+ };
+ var randomColorFactor = function() {
+ return Math.round(Math.random() * 255);
+ };
+ var randomColor = function(opacity) {
+ return 'rgba(' + randomColorFactor() + ',' + randomColorFactor() + ',' + randomColorFactor() + ',' + (opacity || '.3') + ')';
+ };
+
+ var $progress = $('#animationProgress');
+
+ var config = {
+ type: 'line',
+ data: {
+ labels: ["January", "February", "March", "April", "May", "June", "July"],
+ datasets: [{
+ label: "My First dataset ",
+ data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()],
+ fill: false,
+ borderDash: [5, 5],
+ }, {
+ label: "My Second dataset ",
+ data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()],
+ }]
+ },
+ options: {
+ animation: {
+ duration: 2000,
+ onProgress: function(animation) {
+ $progress.attr({
+ value: animation.animationObject.currentStep / animation.animationObject.numSteps,
+ });
+ },
+ onComplete: function(animation) {
+ window.setTimeout(function() {
+ $progress.attr({
+ value: 0
+ });
+ }, 2000);
+ }
+ },
+ tooltips: {
+ mode: 'label',
+ },
+ scales: {
+ xAxes: [{
+ scaleLabel: {
+ show: true,
+ labelString: 'Month'
+ }
+ }],
+ yAxes: [{
+ scaleLabel: {
+ show: true,
+ labelString: 'Value'
+ },
+ }]
+ }
+ }
+ };
+
+ $.each(config.data.datasets, function(i, dataset) {
+ dataset.borderColor = randomColor(0.4);
+ dataset.backgroundColor = randomColor(0.5);
+ dataset.pointBorderColor = randomColor(0.7);
+ dataset.pointBackgroundColor = randomColor(0.5);
+ dataset.pointBorderWidth = 1;
+ });
+
+ window.onload = function() {
+ var ctx = document.getElementById("canvas").getContext("2d");
+ window.myLine = new Chart(ctx, config);
+ };
+
+ $('#randomizeData').click(function() {
+ $.each(config.data.datasets, function(i, dataset) {
+ dataset.data = dataset.data.map(function() {
+ return randomScalingFactor();
+ });
+
+ });
+
+ window.myLine.update();
+ });
+
+ $('#addDataset').click(function() {
+ var newDataset = {
+ label: 'Dataset ' + config.data.datasets.length,
+ borderColor: randomColor(0.4),
+ backgroundColor: randomColor(0.5),
+ pointBorderColor: randomColor(0.7),
+ pointBackgroundColor: randomColor(0.5),
+ pointBorderWidth: 1,
+ data: [],
+ };
+
+ for (var index = 0; index < config.data.labels.length; ++index) {
+ newDataset.data.push(randomScalingFactor());
+ }
+
+ config.data.datasets.push(newDataset);
+ window.myLine.update();
+ });
+
+ $('#addData').click(function() {
+ if (config.data.datasets.length > 0) {
+ config.data.labels.push('dataset #' + config.data.labels.length);
+
+ $.each(config.data.datasets, function(i, dataset) {
+ dataset.data.push(randomScalingFactor());
+ });
+
+ window.myLine.update();
+ }
+ });
+
+ $('#removeDataset').click(function() {
+ config.data.datasets.splice(0, 1);
+ window.myLine.update();
+ });
+
+ $('#removeData').click(function() {
+ config.data.labels.splice(-1, 1); // remove the label first
+
+ config.data.datasets.forEach(function(dataset, datasetIndex) {
+ dataset.data.pop();
+ });
+
+ window.myLine.update();
+ });
+ </script>
+</body>
+
+</html>
\ No newline at end of file
Chart.defaults.global.animation = {
duration: 1000,
easing: "easeOutQuart",
- onProgress: function() {},
- onComplete: function() {},
+ onProgress: helpers.noop,
+ onComplete: helpers.noop,
};
Chart.Animation = Chart.Element.extend({
}
for (var i = 0; i < this.animations.length; i++) {
-
if (this.animations[i].animationObject.currentStep === null) {
this.animations[i].animationObject.currentStep = 0;
}
+
this.animations[i].animationObject.currentStep += 1 + framesToDrop;
+
if (this.animations[i].animationObject.currentStep > this.animations[i].animationObject.numSteps) {
this.animations[i].animationObject.currentStep = this.animations[i].animationObject.numSteps;
}
this.animations[i].animationObject.render(this.animations[i].chartInstance, this.animations[i].animationObject);
+ if (this.animations[i].animationObject.onAnimationProgress && this.animations[i].animationObject.onAnimationProgress.call) {
+ this.animations[i].animationObject.onAnimationProgress.call(this.animations[i].chartInstance, this.animations[i]);
+ }
if (this.animations[i].animationObject.currentStep == this.animations[i].animationObject.numSteps) {
+ if (this.animations[i].animationObject.onAnimationComplete && this.animations[i].animationObject.onAnimationComplete.call) {
+ this.animations[i].animationObject.onAnimationComplete.call(this.animations[i].chartInstance, this.animations[i]);
+ }
+
// executed the last frame. Remove the animation.
this.animations[i].chartInstance.animating = false;
this.animations.splice(i, 1);
render: function render(duration, lazy) {
- if (this.options.animation !== false && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration == 'undefined' && this.options.animation.duration !== 0))) {
+ if (this.options.animation && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration == 'undefined' && this.options.animation.duration !== 0))) {
var animation = new Chart.Animation();
animation.numSteps = (duration || this.options.animation.duration) / 16.66; //60 fps
animation.easing = this.options.animation.easing;
};
// user events
- animation.onAnimationProgress = this.options.onAnimationProgress;
- animation.onAnimationComplete = this.options.onAnimationComplete;
+ animation.onAnimationProgress = this.options.animation.onProgress;
+ animation.onAnimationComplete = this.options.animation.onComplete;
Chart.animationService.addAnimation(this, animation, duration, lazy);
} else {
this.draw();
- if (this.options.onAnimationComplete && this.options.onAnimationComplete.call) {
- this.options.onAnimationComplete.call(this);
+ if (this.options.animation && this.options.animation.onComplete && this.options.animation.onComplete.call) {
+ this.options.animation.onComplete.call(this);
}
}
return this;