2013-03-18 00:57:50 +01:00
|
|
|
<!doctype html>
|
|
|
|
<html>
|
|
|
|
|
2015-05-16 04:54:01 +02:00
|
|
|
<head>
|
|
|
|
<title>Doughnut Chart</title>
|
|
|
|
<script src="../Chart.js"></script>
|
|
|
|
<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
|
|
|
|
<style>
|
|
|
|
body {
|
|
|
|
padding: 0;
|
|
|
|
margin: 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#canvas-holder {
|
|
|
|
width: 30%;
|
|
|
|
}
|
|
|
|
</style>
|
|
|
|
</head>
|
2013-03-18 00:57:50 +01:00
|
|
|
|
2015-05-16 04:54:01 +02:00
|
|
|
<body>
|
2015-06-17 04:12:59 +02:00
|
|
|
<div id="canvas-holder" style="width:50%">
|
2015-05-16 04:54:01 +02:00
|
|
|
<canvas id="chart-area" width="500" height="500" />
|
|
|
|
</div>
|
|
|
|
<button id="randomizeData">Randomize Data</button>
|
2015-06-17 04:12:59 +02:00
|
|
|
<button id="addDataset">Add Dataset</button>
|
|
|
|
<button id="removeDataset">Remove Dataset</button>
|
2015-05-16 04:54:01 +02:00
|
|
|
<script>
|
|
|
|
var randomScalingFactor = function() {
|
2015-06-03 22:14:23 +02:00
|
|
|
return Math.round(Math.random() * 100);
|
2015-05-16 04:54:01 +02:00
|
|
|
};
|
|
|
|
var randomColorFactor = function() {
|
2015-06-03 22:14:23 +02:00
|
|
|
return Math.round(Math.random() * 255);
|
2015-05-16 04:54:01 +02:00
|
|
|
};
|
2015-06-17 04:12:59 +02:00
|
|
|
var randomColor = function(opacity) {
|
2015-06-17 04:21:40 +02:00
|
|
|
return 'rgba(' + randomColorFactor() + ',' + randomColorFactor() + ',' + randomColorFactor() + ',' + (opacity || '.3') + ')';
|
2015-06-17 04:12:59 +02:00
|
|
|
};
|
2013-03-18 00:57:50 +01:00
|
|
|
|
2015-06-03 22:14:23 +02:00
|
|
|
var config = {
|
2015-06-16 03:14:11 +02:00
|
|
|
type: 'doughnut',
|
2015-06-03 22:14:23 +02:00
|
|
|
data: {
|
|
|
|
datasets: [{
|
|
|
|
data: [
|
|
|
|
randomScalingFactor(),
|
|
|
|
randomScalingFactor(),
|
|
|
|
randomScalingFactor(),
|
|
|
|
randomScalingFactor(),
|
|
|
|
randomScalingFactor(),
|
|
|
|
],
|
|
|
|
backgroundColor: [
|
|
|
|
"#F7464A",
|
|
|
|
"#46BFBD",
|
|
|
|
"#FDB45C",
|
|
|
|
"#949FB1",
|
|
|
|
"#4D5360",
|
|
|
|
],
|
2015-05-16 06:34:08 +02:00
|
|
|
}, {
|
2015-06-03 22:14:23 +02:00
|
|
|
data: [
|
|
|
|
randomScalingFactor(),
|
|
|
|
randomScalingFactor(),
|
|
|
|
randomScalingFactor(),
|
|
|
|
randomScalingFactor(),
|
|
|
|
randomScalingFactor(),
|
|
|
|
],
|
|
|
|
backgroundColor: [
|
|
|
|
"#F7464A",
|
|
|
|
"#46BFBD",
|
|
|
|
"#FDB45C",
|
|
|
|
"#949FB1",
|
|
|
|
"#4D5360",
|
|
|
|
],
|
2015-05-16 06:34:08 +02:00
|
|
|
}, {
|
2015-06-03 22:14:23 +02:00
|
|
|
data: [
|
|
|
|
randomScalingFactor(),
|
|
|
|
randomScalingFactor(),
|
|
|
|
randomScalingFactor(),
|
|
|
|
randomScalingFactor(),
|
|
|
|
randomScalingFactor(),
|
|
|
|
],
|
|
|
|
backgroundColor: [
|
|
|
|
"#F7464A",
|
|
|
|
"#46BFBD",
|
|
|
|
"#FDB45C",
|
|
|
|
"#949FB1",
|
|
|
|
"#4D5360",
|
|
|
|
],
|
|
|
|
}],
|
|
|
|
labels: [
|
|
|
|
"Red",
|
|
|
|
"Green",
|
|
|
|
"Yellow",
|
|
|
|
"Grey",
|
|
|
|
"Dark Grey"
|
|
|
|
]
|
|
|
|
},
|
|
|
|
options: {
|
|
|
|
responsive: true
|
|
|
|
}
|
2015-05-16 06:34:08 +02:00
|
|
|
};
|
2014-06-29 19:36:04 +02:00
|
|
|
|
2015-05-16 04:54:01 +02:00
|
|
|
window.onload = function() {
|
|
|
|
var ctx = document.getElementById("chart-area").getContext("2d");
|
2015-06-16 03:14:11 +02:00
|
|
|
window.myDoughnut = new Chart(ctx, config);
|
|
|
|
console.log(window.myDoughnut);
|
2015-05-16 04:54:01 +02:00
|
|
|
};
|
2013-03-18 00:57:50 +01:00
|
|
|
|
2015-05-16 04:54:01 +02:00
|
|
|
$('#randomizeData').click(function() {
|
2015-06-03 23:18:42 +02:00
|
|
|
$.each(config.data.datasets, function(i, piece) {
|
|
|
|
$.each(piece.data, function(j, value) {
|
|
|
|
config.data.datasets[i].data[j] = randomScalingFactor();
|
|
|
|
});
|
2015-05-16 04:54:01 +02:00
|
|
|
});
|
|
|
|
window.myDoughnut.update();
|
|
|
|
});
|
2015-06-17 04:12:59 +02:00
|
|
|
|
|
|
|
$('#addDataset').click(function() {
|
|
|
|
var newDataset = {
|
|
|
|
backgroundColor: [randomColor(0.7), randomColor(0.7), randomColor(0.7), randomColor(0.7), randomColor(0.7)],
|
|
|
|
data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()]
|
|
|
|
};
|
|
|
|
|
|
|
|
window.myDoughnut.addDataset(newDataset);
|
|
|
|
});
|
|
|
|
|
|
|
|
$('#removeDataset').click(function() {
|
|
|
|
window.myDoughnut.removeDataset(0);
|
|
|
|
});
|
2015-05-16 04:54:01 +02:00
|
|
|
</script>
|
|
|
|
</body>
|
2014-06-29 19:36:04 +02:00
|
|
|
|
2013-03-18 00:57:50 +01:00
|
|
|
</html>
|