mirror of
https://github.com/chartjs/Chart.js.git
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131 lines
3.1 KiB
HTML
131 lines
3.1 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>Custom Tooltips using Data Points</title>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
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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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.chartjs-tooltip {
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opacity: 1;
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position: absolute;
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background: rgba(0, 0, 0, .7);
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color: white;
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border-radius: 3px;
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-webkit-transition: all .1s ease;
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transition: all .1s ease;
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pointer-events: none;
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-webkit-transform: translate(-50%, 0);
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transform: translate(-50%, 0);
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padding: 4px;
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}
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.chartjs-tooltip-key {
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display: inline-block;
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width: 10px;
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height: 10px;
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}
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</style>
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</head>
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<body>
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<div id="canvas-holder1" style="width:75%;">
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<canvas id="chart1"></canvas>
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<div class="chartjs-tooltip" id="tooltip-0"></div>
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<div class="chartjs-tooltip" id="tooltip-1"></div>
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</div>
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<script>
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var customTooltips = function(context) {
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var chart = context.chart;
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$(chart.canvas).css('cursor', 'pointer');
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var positionY = chart.canvas.offsetTop;
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var positionX = chart.canvas.offsetLeft;
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$('.chartjs-tooltip').css({
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opacity: 0,
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});
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var tooltip = context.tooltip;
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if (!tooltip || !tooltip.opacity) {
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return;
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}
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if (tooltip.dataPoints.length > 0) {
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tooltip.dataPoints.forEach(function(dataPoint) {
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var content = [dataPoint.label, dataPoint.value].join(': ');
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var $tooltip = $('#tooltip-' + dataPoint.datasetIndex);
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$tooltip.html(content);
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$tooltip.css({
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opacity: 1,
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top: positionY + dataPoint.y + 'px',
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left: positionX + dataPoint.x + 'px',
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});
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});
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}
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};
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var color = Chart.helpers.color;
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var lineChartData = {
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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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backgroundColor: color(window.chartColors.red).alpha(0.2).rgbString(),
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borderColor: window.chartColors.red,
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pointBackgroundColor: window.chartColors.red,
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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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}, {
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label: 'My Second dataset',
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backgroundColor: color(window.chartColors.blue).alpha(0.2).rgbString(),
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borderColor: window.chartColors.blue,
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pointBackgroundColor: window.chartColors.blue,
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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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}]
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};
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window.onload = function() {
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var chartEl = document.getElementById('chart1');
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new Chart(chartEl, {
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type: 'line',
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data: lineChartData,
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options: {
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title: {
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display: true,
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text: 'Chart.js - Custom Tooltips using Data Points'
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},
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tooltips: {
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enabled: false,
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mode: 'index',
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intersect: false,
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custom: customTooltips
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}
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}
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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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