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d04cdfc21f
* Add the ability to add a title to the legend - Legend title can be specified - Font & color options added - Padding option added - Positioning option added - Legend title sample file added
154 lines
3.4 KiB
HTML
154 lines
3.4 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>Legend Positions</title>
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<script src="../../dist/Chart.min.js"></script>
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<script src="../utils.js"></script>
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<style>
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canvas {
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-moz-user-select: none;
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-webkit-user-select: none;
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-ms-user-select: none;
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}
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.chart-container {
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width: 500px;
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margin-left: 40px;
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margin-right: 40px;
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}
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.container {
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display: flex;
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flex-direction: row;
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flex-wrap: wrap;
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justify-content: center;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="chart-container">
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<canvas id="chart-legend-top-start"></canvas>
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</div>
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<div class="chart-container">
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<canvas id="chart-legend-top-center"></canvas>
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</div>
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<div class="chart-container">
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<canvas id="chart-legend-top-end"></canvas>
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</div>
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<div class="chart-container">
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<canvas id="chart-legend-left-start"></canvas>
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</div>
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<div class="chart-container">
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<canvas id="chart-legend-left-center"></canvas>
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</div>
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<div class="chart-container">
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<canvas id="chart-legend-left-end"></canvas>
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</div>
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</div>
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<script>
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var color = Chart.helpers.color;
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function createConfig(legendPosition, titlePosition, align, colorName) {
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return {
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type: 'line',
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data: {
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labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
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datasets: [{
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label: 'My First dataset',
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data: [
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor()
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],
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backgroundColor: color(window.chartColors[colorName]).alpha(0.5).rgbString(),
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borderColor: window.chartColors[colorName],
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borderWidth: 1
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}]
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},
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options: {
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responsive: true,
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legend: {
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align: align,
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position: legendPosition,
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title: {
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display: true,
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text: 'Legend Title',
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position: titlePosition,
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}
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},
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scales: {
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x: {
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display: true,
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scaleLabel: {
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display: true,
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labelString: 'Month'
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}
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},
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y: {
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display: true,
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scaleLabel: {
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display: true,
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labelString: 'Value'
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}
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}
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},
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title: {
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display: true,
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text: 'Legend Title Position: ' + titlePosition
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}
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}
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};
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}
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window.onload = function() {
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[{
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id: 'chart-legend-top-start',
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align: 'start',
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legendPosition: 'top',
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titlePosition: 'start',
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color: 'red'
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}, {
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id: 'chart-legend-top-center',
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align: 'center',
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legendPosition: 'top',
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titlePosition: 'center',
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color: 'orange'
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}, {
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id: 'chart-legend-top-end',
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align: 'end',
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legendPosition: 'top',
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titlePosition: 'end',
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color: 'yellow'
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}, {
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id: 'chart-legend-left-start',
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align: 'start',
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legendPosition: 'left',
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titlePosition: 'start',
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color: 'green'
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}, {
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id: 'chart-legend-left-center',
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align: 'center',
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legendPosition: 'left',
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titlePosition: 'center',
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color: 'blue'
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}, {
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id: 'chart-legend-left-end',
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align: 'end',
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legendPosition: 'left',
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titlePosition: 'end',
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color: 'purple'
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}].forEach(function(details) {
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var ctx = document.getElementById(details.id).getContext('2d');
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var config = createConfig(details.legendPosition, details.titlePosition, details.align, details.color);
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new Chart(ctx, config);
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});
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};
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</script>
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</body>
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</html>
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