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improve bar sample

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- set title
- set same size canvas as other samples
- remove user select from canvas
- remove html legend
- fix x-axis labels when adding data
This commit is contained in:
Ville Hämäläinen 2016-02-28 10:00:01 +02:00
parent 680fa8a68e
commit 0985e6d564
1 changed files with 13 additions and 30 deletions
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43
samples/bar.html
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@ -5,29 +5,27 @@
<title>Bar Chart</title>
<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="../dist/Chart.bundle.js"></script>
<style type="text/css">
canvas {
border: 1px solid red;
}
<style>
canvas {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
</style>
</head>
<body>
<div id="container" style="width: 50%; height: 25%;">
<canvas id="canvas" height="450" width="600"></canvas>
<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>
<button id="show">Show</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.random() > 0.5 ? 1.0 : -1.0) * Math.round(Math.random() * 100);
};
@ -57,12 +55,6 @@
};
function updateLegend() {
$legendContainer = $('#legendContainer');
$legendContainer.empty();
$legendContainer.append(window.myBar.generateLegend());
}
window.onload = function() {
var ctx = document.getElementById("canvas").getContext("2d");
window.myBar = new Chart(ctx, {
@ -83,12 +75,11 @@
},
title: {
display: true,
text: 'Our 3 Favorite Datasets'
text: 'Chart.js Bar Chart'
}
}
});
updateLegend();
};
$('#randomizeData').click(function() {
@ -101,7 +92,6 @@
});
window.myBar.update();
updateLegend();
});
$('#addDataset').click(function() {
@ -117,12 +107,12 @@
barChartData.datasets.push(newDataset);
window.myBar.update();
updateLegend();
});
$('#addData').click(function() {
if (barChartData.datasets.length > 0) {
barChartData.labels.push('data #' + barChartData.labels.length);
var month = MONTHS[barChartData.labels.length % MONTHS.length];
barChartData.labels.push(month);
for (var index = 0; index < barChartData.datasets.length; ++index) {
//window.myBar.addData(randomScalingFactor(), index);
@ -130,14 +120,12 @@
}
window.myBar.update();
updateLegend();
}
});
$('#removeDataset').click(function() {
barChartData.datasets.splice(0, 1);
window.myBar.update();
updateLegend();
});
$('#removeData').click(function() {
@ -148,11 +136,6 @@
});
window.myBar.update();
updateLegend();
});
$('#show').click(function() {
document.getElementById('container').style.display = '';
});
</script>
</body>