chart.js
Version:
Simple HTML5 charts using the canvas element.
192 lines (177 loc) • 7.01 kB
HTML
<html>
<head>
<title>Bubble Chart</title>
<script src="../../dist/Chart.bundle.js"></script>
<script src="../utils.js"></script>
<style type="text/css">
canvas{
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div id="container" style="width: 75%;">
<canvas id="canvas"></canvas>
</div>
<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 DEFAULT_DATASET_SIZE = 7;
var addedCount = 0;
var color = Chart.helpers.color;
var bubbleChartData = {
animation: {
duration: 10000
},
datasets: [{
label: "My First dataset",
backgroundColor: color(window.chartColors.red).alpha(0.5).rgbString(),
borderColor: window.chartColors.red,
borderWidth: 1,
data: [{
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}]
}, {
label: "My Second dataset",
backgroundColor: color(window.chartColors.orange).alpha(0.5).rgbString(),
borderColor: window.chartColors.orange,
borderWidth: 1,
data: [{
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}, {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
}]
}]
};
window.onload = function() {
var ctx = document.getElementById("canvas").getContext("2d");
window.myChart = new Chart(ctx, {
type: 'bubble',
data: bubbleChartData,
options: {
responsive: true,
title:{
display:true,
text:'Chart.js Bubble Chart'
},
tooltips: {
mode: 'point'
}
}
});
};
document.getElementById('randomizeData').addEventListener('click', function() {
bubbleChartData.datasets.forEach(function(dataset) {
dataset.data = dataset.data.map(function() {
return {
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
};
});
});
window.myChart.update();
});
var colorNames = Object.keys(window.chartColors);
document.getElementById('addDataset').addEventListener('click', function() {
++addedCount;
var colorName = colorNames[bubbleChartData.datasets.length % colorNames.length];;
var dsColor = window.chartColors[colorName];
var newDataset = {
label: "My added dataset " + addedCount,
backgroundColor: color(dsColor).alpha(0.5).rgbString(),
borderColor: dsColor,
borderWidth: 1,
data: []
};
for (var index = 0; index < DEFAULT_DATASET_SIZE; ++index) {
newDataset.data.push({
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
});
}
bubbleChartData.datasets.push(newDataset);
window.myChart.update();
});
document.getElementById('addData').addEventListener('click', function() {
if (bubbleChartData.datasets.length > 0) {
for (var index = 0; index < bubbleChartData.datasets.length; ++index) {
bubbleChartData.datasets[index].data.push({
x: randomScalingFactor(),
y: randomScalingFactor(),
r: Math.abs(randomScalingFactor()) / 5,
});
}
window.myChart.update();
}
});
document.getElementById('removeDataset').addEventListener('click', function() {
bubbleChartData.datasets.splice(0, 1);
window.myChart.update();
});
document.getElementById('removeData').addEventListener('click', function() {
bubbleChartData.datasets.forEach(function(dataset, datasetIndex) {
dataset.data.pop();
});
window.myChart.update();
});
</script>
</body>
</html>