usky-oa
/
jnpf-web-datareport


			
				
					
						
						
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157
							<!DOCTYPE html>
<html lang="en-US">
<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=Edge">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<link rel="stylesheet" type="text/css" href="../style.css">
	<link rel="icon" type="image/ico" href="../favicon.ico">
	<script src="https://cdn.jsdelivr.net/npm/chart.js@2.7.0/dist/Chart.min.js"></script>
	<script src="../../dist/chartjs-plugin-datalabels.js"></script>
	<script src="../utils.js"></script>
</head>
<body>
	<div id="side">
		<div id="header"></div>
		<div id="actions">
			<button onclick="randomize(this)">Randomize</button>
			<button onclick="addData(this)">Add Data</button>
			<button onclick="removeData(this)">Remove Data</button>
		</div>
	</div>

	<div id="charts">
		<div class="wrapper"><canvas id="chart-0"></canvas></div>
	</div>

	<script>
		var SAMPLE_INFO = {
			group: 'Scriptable',
			name: 'Dataset',
			desc: 'Labels are positionned outside a filled region between 2 datasets.'
		};
	</script>

	<script id="script-init">
		var DATA_COUNT = 12;
		var labels = [];

		Samples.srand(26);

		for (var i = 0; i < DATA_COUNT; ++i) {
			labels.push('' + i);
		}

		Chart.helpers.merge(Chart.defaults.global, {
			aspectRatio: 4/3,
			tooltips: false,
			layout: {
				padding: {
					top: 32,
					right: 24,
					bottom: 32,
					left: 0
				}
			},
			elements: {
				line: {
					borderWidth: 2,
					fill: false
				}
			},
			plugins: {
				legend: false,
				title: false
			}
		});
	</script>

	<script id="script-construct">
		var chart = new Chart('chart-0', {
			type: 'line',
			data: {
				labels: labels,
				datasets: [{
					backgroundColor: Samples.transparentize(Samples.color(0)),
					pointBackgroundColor: Samples.color(1),
					borderColor: Samples.color(1),
					data: Samples.numbers({
						count: DATA_COUNT,
						min: -25,
						max: 25
					}),
					fill: '+1',
				}, {
					pointBackgroundColor: Samples.color(6),
					borderColor: Samples.color(6),
					data: Samples.numbers({
						count: DATA_COUNT,
						min: -100,
						max: 100
					})
				}]
			},
			options: {
				plugins: {
					datalabels: {
						align: function(context) {
							var index = context.dataIndex;
							var datasets = context.chart.data.datasets;
							var v0 = datasets[0].data[index];
							var v1 = datasets[1].data[index];
							var invert = v0 - v1 > 0;
							return context.datasetIndex === 0 ?
								invert ? 'end' : 'start' :
								invert ? 'start' : 'end';
						},
						backgroundColor: function(context) {
							return context.dataset.borderColor;
						},
						borderRadius: 4,
						color: 'white',
						font: {
							size: 11,
							weight: 600
						},
						offset: 8,
						formatter: Math.round
					}
				}
			}
		});
	</script>

	<script id="script-actions">
		function randomize() {
			chart.data.datasets.forEach(function(dataset, i) {
				var color = Samples.color();
				dataset.borderColor = color;
				dataset.pointBackgroundColor = color;
				dataset.data = dataset.data.map(function(value) {
					return Samples.rand(i % 2 ? -100 : -25, i % 2 ? 100 : 25);
				});
			});

			chart.update();
		}

		function addData() {
			chart.data.labels.push(chart.data.labels.length);
			chart.data.datasets.forEach(function(dataset, i) {
				dataset.data.push(Samples.rand(i % 2 ? -100 : -25, i % 2 ? 100 : 25));
			});

			chart.update();
		}

		function removeData() {
			chart.data.labels.shift();
			chart.data.datasets.forEach(function(dataset, i) {
				dataset.data.shift();
			});

			chart.update();
		}
	</script>
</body>
</html>