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Server: Windows NT AKFAR_SERVER 10.0 build 26200 (Windows 10) AMD64 Path: D:/BACKUP C 19-12/XAMPP74/htdocs/pmb/chartjs/samples/tooltips/ [ Home ]
File: custom-points.html
<!doctype html>
<html>

<head>
	<title>Custom Tooltips using Data Points</title>
	<script src="../../Chart.bundle.js"></script>
	<script src="../utils.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
	<style>
		canvas{
			-moz-user-select: none;
			-webkit-user-select: none;
			-ms-user-select: none;
		}
		.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);
			padding: 4px;
		}

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

<body>
	<div id="canvas-holder1" style="width:75%;">
		<canvas id="chart1"></canvas>
		<div class="chartjs-tooltip" id="tooltip-0"></div>
		<div class="chartjs-tooltip" id="tooltip-1"></div>
	</div>
	<script>
		var customTooltips = function(tooltip) {
			$(this._chart.canvas).css('cursor', 'pointer');

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

			$('.chartjs-tooltip').css({
				opacity: 0,
			});

			if (!tooltip || !tooltip.opacity) {
				return;
			}

			if (tooltip.dataPoints.length > 0) {
				tooltip.dataPoints.forEach(function(dataPoint) {
					var content = [dataPoint.xLabel, dataPoint.yLabel].join(': ');
					var $tooltip = $('#tooltip-' + dataPoint.datasetIndex);

					$tooltip.html(content);
					$tooltip.css({
						opacity: 1,
						top: positionY + dataPoint.y + 'px',
						left: positionX + dataPoint.x + 'px',
					});
				});
			}
		};
		var color = Chart.helpers.color;
		var lineChartData = {
			labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
			datasets: [{
				label: 'My First dataset',
				backgroundColor: color(window.chartColors.red).alpha(0.2).rgbString(),
				borderColor: window.chartColors.red,
				pointBackgroundColor: window.chartColors.red,
				data: [
					randomScalingFactor(),
					randomScalingFactor(),
					randomScalingFactor(),
					randomScalingFactor(),
					randomScalingFactor(),
					randomScalingFactor(),
					randomScalingFactor()
				]
			}, {
				label: 'My Second dataset',
				backgroundColor: color(window.chartColors.blue).alpha(0.2).rgbString(),
				borderColor: window.chartColors.blue,
				pointBackgroundColor: window.chartColors.blue,
				data: [
					randomScalingFactor(),
					randomScalingFactor(),
					randomScalingFactor(),
					randomScalingFactor(),
					randomScalingFactor(),
					randomScalingFactor(),
					randomScalingFactor()
				]
			}]
		};

		window.onload = function() {
			var chartEl = document.getElementById('chart1');
			new Chart(chartEl, {
				type: 'line',
				data: lineChartData,
				options: {
					title: {
						display: true,
						text: 'Chart.js - Custom Tooltips using Data Points'
					},
					tooltips: {
						enabled: false,
						mode: 'index',
						intersect: false,
						custom: customTooltips
					}
				}
			});
		};
	</script>
</body>

</html>