130 lines
3.9 KiB
HTML
130 lines
3.9 KiB
HTML
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<!doctype html>
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<html>
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<head>
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<title>Line Chart with Custom Tooltips</title>
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<script src="../Chart.js"></script>
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<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
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<style>
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#canvas-holder1 {
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width: 300px;
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margin: 20px auto;
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}
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#canvas-holder2 {
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width: 50%;
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margin: 20px 25%;
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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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padding: 3px;
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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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}
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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">
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<canvas id="chart1" width="300" height="30" />
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</div>
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<div id="canvas-holder2">
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<canvas id="chart2" width="450" height="600" />
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</div>
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<div id="chartjs-tooltip"></div>
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<script>
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Chart.defaults.global.pointHitDetectionRadius = 1;
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Chart.defaults.global.customTooltips = function(tooltip) {
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var tooltipEl = $('#chartjs-tooltip');
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if (!tooltip) {
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tooltipEl.css({
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opacity: 0
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});
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return;
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}
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tooltipEl.removeClass('above below');
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tooltipEl.addClass(tooltip.yAlign);
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var innerHtml = '';
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for (var i = tooltip.labels.length - 1; i >= 0; i--) {
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innerHtml += [
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'<div class="chartjs-tooltip-section">',
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' <span class="chartjs-tooltip-key" style="background-color:' + tooltip.legendColors[i].fill + '"></span>',
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' <span class="chartjs-tooltip-value">' + tooltip.labels[i] + '</span>',
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'</div>'
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].join('');
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}
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tooltipEl.html(innerHtml);
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tooltipEl.css({
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opacity: 1,
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left: tooltip.chart.canvas.offsetLeft + tooltip.x + 'px',
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top: tooltip.chart.canvas.offsetTop + tooltip.y + 'px',
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fontFamily: tooltip.fontFamily,
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fontSize: tooltip.fontSize,
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fontStyle: tooltip.fontStyle,
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});
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};
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var randomScalingFactor = function() {
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return Math.round(Math.random() * 100);
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};
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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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fillColor: "rgba(220,220,220,0.2)",
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strokeColor: "rgba(220,220,220,1)",
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pointColor: "rgba(220,220,220,1)",
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pointStrokeColor: "#fff",
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pointHighlightFill: "#fff",
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pointHighlightStroke: "rgba(220,220,220,1)",
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data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()]
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}, {
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label: "My Second dataset",
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fillColor: "rgba(151,187,205,0.2)",
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strokeColor: "rgba(151,187,205,1)",
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pointColor: "rgba(151,187,205,1)",
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pointStrokeColor: "#fff",
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pointHighlightFill: "#fff",
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pointHighlightStroke: "rgba(151,187,205,1)",
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data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()]
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}]
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};
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window.onload = function() {
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var ctx1 = document.getElementById("chart1").getContext("2d");
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window.myLine = new Chart(ctx1).Line(lineChartData, {
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showScale: false,
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pointDot : true,
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responsive: true
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});
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var ctx2 = document.getElementById("chart2").getContext("2d");
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window.myLine = new Chart(ctx2).Line(lineChartData, {
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responsive: true
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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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