<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<style>
canvas {
- -webkit-box-shadow: 0 0 20px 0 rgba(0, 0, 0, .5);
+ -moz-user-select: none;
+ -webkit-user-select: none;
+ -ms-user-select: none;
}
</style>
</head>
<body>
- <div style="width:100%;">
- <canvas id="canvas" style="width:100%;height:100%"></canvas>
+ <div style="width:75%;">
+ <canvas id="canvas"></canvas>
</div>
<br>
<br>
<button id="addData">Add Data</button>
<button id="removeData">Remove Data</button>
<script>
+ var MONTHS = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
var randomScalingFactor = function() {
return Math.round(Math.random() * 100 * (Math.random() > 0.5 ? -1 : 1));
};
},
title: {
display: true,
- text: 'Our 4 Favorite Datasets'
+ text: 'Chart.js Line Chart - Legend'
}
}
};
dataset.pointBorderWidth = 1;
});
- console.log(config.data);
-
window.onload = function() {
var ctx = document.getElementById("canvas").getContext("2d");
window.myLine = new Chart(ctx, config);
-
- updateLegend();
};
- function updateLegend() {
- $legendContainer = $('#legendContainer');
- $legendContainer.empty();
- $legendContainer.append(window.myLine.generateLegend());
- }
-
$('#randomizeData').click(function() {
$.each(config.data.datasets, function(i, dataset) {
dataset.data = dataset.data.map(function() {
});
window.myLine.update();
- updateLegend();
});
$('#addDataset').click(function() {
config.data.datasets.push(newDataset);
window.myLine.update();
- updateLegend();
});
$('#addData').click(function() {
if (config.data.datasets.length > 0) {
- config.data.labels.push('dataset #' + config.data.labels.length);
+ var month = MONTHS[config.data.labels.length % MONTHS.length];
+ config.data.labels.push(month);
$.each(config.data.datasets, function(i, dataset) {
dataset.data.push(randomScalingFactor());
});
window.myLine.update();
- updateLegend();
}
});
$('#removeDataset').click(function() {
config.data.datasets.splice(0, 1);
window.myLine.update();
- updateLegend();
});
$('#removeData').click(function() {
});
window.myLine.update();
- updateLegend();
});
</script>
</body>
projects / thirdparty / Chart.js.git / commitdiff
