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Current File : /var/www/html/news/public/bower_components/chart.js/samples/tooltips/custom-pie.html

<!doctype html>
<html>

<head>
		<title>Pie Chart with Custom Tooltips</title>
		<script src="../../dist/Chart.bundle.js"></script>
		<script src="../utils.js"></script>

		<style>
		#canvas-holder {
				width: 100%;
				margin-top: 50px;
				text-align: center;
		}
		#chartjs-tooltip {
			opacity: 1;
			position: absolute;
			background: rgba(0, 0, 0, .7);
			color: white;
			border-radius: 3px;
			-webkit-transition: all .1s ease;
			transition: all .1s ease;
			pointer-events: none;
			-webkit-transform: translate(-50%, 0);
			transform: translate(-50%, 0);
		}

		.chartjs-tooltip-key {
			display: inline-block;
			width: 10px;
			height: 10px;
			margin-right: 10px;
		}
		</style>
</head>

<body>
	<div id="canvas-holder" style="width: 300px;">
		<canvas id="chart-area" width="300" height="300"></canvas>
		<div id="chartjs-tooltip">
			<table></table>
		</div>
	</div>

	<script>
	Chart.defaults.global.tooltips.custom = function(tooltip) {
		// Tooltip Element
		var tooltipEl = document.getElementById('chartjs-tooltip');

		// Hide if no tooltip
		if (tooltip.opacity === 0) {
			tooltipEl.style.opacity = 0;
			return;
		}

		// Set caret Position
		tooltipEl.classList.remove('above', 'below', 'no-transform');
		if (tooltip.yAlign) {
			tooltipEl.classList.add(tooltip.yAlign);
		} else {
			tooltipEl.classList.add('no-transform');
		}

		function getBody(bodyItem) {
			return bodyItem.lines;
		}

		// Set Text
		if (tooltip.body) {
			var titleLines = tooltip.title || [];
			var bodyLines = tooltip.body.map(getBody);

			var innerHtml = '<thead>';

			titleLines.forEach(function(title) {
				innerHtml += '<tr><th>' + title + '</th></tr>';
			});
			innerHtml += '</thead><tbody>';

			bodyLines.forEach(function(body, i) {
				var colors = tooltip.labelColors[i];
				var style = 'background:' + colors.backgroundColor;
				style += '; border-color:' + colors.borderColor;
				style += '; border-width: 2px'; 
				var span = '<span class="chartjs-tooltip-key" style="' + style + '"></span>';
				innerHtml += '<tr><td>' + span + body + '</td></tr>';
			});
			innerHtml += '</tbody>';

			var tableRoot = tooltipEl.querySelector('table');
			tableRoot.innerHTML = innerHtml;
		}

		var positionY = this._chart.canvas.offsetTop;
		var positionX = this._chart.canvas.offsetLeft;

		// Display, position, and set styles for font
		tooltipEl.style.opacity = 1;
		tooltipEl.style.left = positionX + tooltip.caretX + 'px';
		tooltipEl.style.top = positionY + tooltip.caretY + 'px';
		tooltipEl.style.fontFamily = tooltip._fontFamily;
		tooltipEl.style.fontSize = tooltip.fontSize;
		tooltipEl.style.fontStyle = tooltip._fontStyle;
		tooltipEl.style.padding = tooltip.yPadding + 'px ' + tooltip.xPadding + 'px';
	};

	var config = {
		type: 'pie',
		data: {
			datasets: [{
				data: [300, 50, 100, 40, 10],
				backgroundColor: [
					window.chartColors.red,
					window.chartColors.orange,
					window.chartColors.yellow,
					window.chartColors.green,
					window.chartColors.blue,
				],
			}],
			labels: [
				"Red",
				"Orange",
				"Yellow",
				"Green",
				"Blue"
			]
		},
		options: {
			responsive: true,
			legend: {
				display: false
			},
			tooltips: {
				enabled: false,
			}
		}
	};

	window.onload = function() {
			var ctx = document.getElementById("chart-area").getContext("2d");
			window.myPie = new Chart(ctx, config);
	};
	</script>
</body>

</html>

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