mirror of
https://github.com/chartjs/Chart.js.git
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157 lines
4.2 KiB
HTML
157 lines
4.2 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>Pie Chart with Custom Tooltips</title>
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<script src="../dist/Chart.bundle.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-holder {
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width: 100%;
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margin-top: 50px;
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text-align: center;
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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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}
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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-holder" style="width: 50px;">
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<canvas id="chart-area1" width="50" height="50" />
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</div>
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<div id="canvas-holder" style="width: 300px;">
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<canvas id="chart-area2" width="300" height="300" />
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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.tooltips.custom = function(tooltip) {
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// Tooltip Element
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var tooltipEl = $('#chartjs-tooltip');
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if (!tooltipEl[0]) {
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$('body').append('<div id="chartjs-tooltip"></div>');
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tooltipEl = $('#chartjs-tooltip');
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}
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// Hide if no tooltip
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if (!tooltip.opacity) {
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tooltipEl.css({
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opacity: 0
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});
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$('.chartjs-wrap canvas')
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.each(function(index, el) {
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$(el).css('cursor', 'default');
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});
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return;
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}
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$(this._chart.canvas).css('cursor', 'pointer');
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// Set caret Position
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tooltipEl.removeClass('above below no-transform');
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if (tooltip.yAlign) {
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tooltipEl.addClass(tooltip.yAlign);
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} else {
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tooltipEl.addClass('no-transform');
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}
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// Set Text
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if (tooltip.body) {
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var innerHtml = [
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(tooltip.beforeTitle || []).join('\n'), (tooltip.title || []).join('\n'), (tooltip.afterTitle || []).join('\n'), (tooltip.beforeBody || []).join('\n'), (tooltip.body || []).join('\n'), (tooltip.afterBody || []).join('\n'), (tooltip.beforeFooter || [])
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.join('\n'), (tooltip.footer || []).join('\n'), (tooltip.afterFooter || []).join('\n')
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];
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tooltipEl.html(innerHtml.join('\n'));
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}
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// Find Y Location on page
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var top = 0;
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if (tooltip.yAlign) {
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if (tooltip.yAlign == 'above') {
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top = tooltip.y - tooltip.caretHeight - tooltip.caretPadding;
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} else {
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top = tooltip.y + tooltip.caretHeight + tooltip.caretPadding;
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}
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}
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var position = $(this._chart.canvas)[0].getBoundingClientRect();
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// Display, position, and set styles for font
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tooltipEl.css({
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opacity: 1,
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width: tooltip.width ? (tooltip.width + 'px') : 'auto',
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left: position.left + tooltip.x + 'px',
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top: position.top + top + '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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padding: tooltip.yPadding + 'px ' + tooltip.xPadding + 'px',
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});
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};
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var config = {
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type: 'pie',
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data: {
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datasets: [{
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data: [300, 50, 100, 40, 10],
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backgroundColor: [
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"#F7464A",
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"#46BFBD",
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"#FDB45C",
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"#949FB1",
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"#4D5360",
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],
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}],
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labels: [
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"Red",
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"Green",
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"Yellow",
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"Grey",
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"Dark Grey"
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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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display: false
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},
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tooltips: {
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enabled: false,
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}
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}
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};
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window.onload = function() {
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var ctx1 = document.getElementById("chart-area1").getContext("2d");
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window.myPie = new Chart(ctx1, config);
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var ctx2 = document.getElementById("chart-area2").getContext("2d");
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window.myPie = new Chart(ctx2, config);
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};
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</script>
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</body>
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</html>
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