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improve line-logarithmic sample

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- set title
- set same size canvas as other samples
- fix x-axis labels when adding data
- remove user select from canvas
- remove logs
This commit is contained in:
Ville Hämäläinen 2016-02-28 07:57:02 +02:00
parent 1f8709f88a
commit a7b16464bf
1 changed files with 13 additions and 27 deletions
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40
samples/line-logarithmic.html
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@ -7,29 +7,25 @@
<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:50%;">
<canvas id="canvas" style="width:100%;height:100%"></canvas>
<div style="width:75%;">
<canvas id="canvas"></canvas>
</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>
<div>
<h3>Legend</h3>
<div id="legendContainer">
</div>
</div>
<script>
var MONTHS = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
var randomScalingFactor = function() {
return Math.ceil(Math.random() * 10.0) * Math.pow(10, Math.ceil(Math.random() * 5));
};
@ -56,6 +52,10 @@
},
options: {
responsive: true,
title:{
display:true,
text:'Chart.js Line Chart - Logarithmic'
},
scales: {
xAxes: [{
display: true,
@ -84,21 +84,11 @@
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() {
@ -108,7 +98,6 @@
});
window.myLine.update();
updateLegend();
});
$('#addDataset').click(function() {
@ -128,26 +117,24 @@
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);
for (var index = 0; index < config.data.datasets.length; ++index) {
config.data.datasets[index].data.push(randomScalingFactor());
}
window.myLine.update();
updateLegend();
}
});
$('#removeDataset').click(function() {
config.data.datasets.splice(0, 1);
window.myLine.update();
updateLegend();
});
$('#removeData').click(function() {
@ -158,7 +145,6 @@
});
window.myLine.update();
updateLegend();
});
</script>
</body>