usky-oa
/
jnpf-web-datareport


			
				
					
						
						
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							<!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>
		</div>
	</div>

	<div id="charts">
		<div class="wrapper"><canvas id="chart-0"></canvas></div>
		<div class="wrapper"><canvas id="chart-1"></canvas></div>
	</div>

	<script>
		var SAMPLE_INFO = {
			group: 'Formatting',
			name: 'Custom Labels',
			desc: 'This example displays the data labels instead '+
				'of the data values, using a custom formatter'
		};
	</script>

	<script id="script-init">
		var DATA_COUNT = 5;
		var labels = [
            'Earth',
            'Mars',
            'Saturn',
            'Jupiter',
            'Others'
        ];

		Samples.srand(0);

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

	<script id="script-construct">
		var chart = new Chart('chart-0', {
			type: 'bar',
			data: {
				labels: labels,
				datasets: [{
					backgroundColor: Samples.color(0),
					data: Samples.numbers({
						count: DATA_COUNT,
						min: 0,
						max: 100
					})
				}]
			},
			options: {
				plugins: {
					datalabels: {
                        align: 'end',
                        anchor: 'end',
						color: function(context) {
							return context.dataset.backgroundColor;
						},
						font: function(context) {
                            var w = context.chart.width;
                            return {
                                size: w < 512 ? 12 : 14
                            }
                        },
						formatter: function(value, context) {
                            return context.chart.data.labels[context.dataIndex];
                        }
					}
				},
				scales: {
					xAxes: [{
                        display: false,
                        offset: true
					}],
					yAxes: [{
                        ticks: {
							beginAtZero: true
						}
					}]
				}
			}
		});
	</script>

	<script id="script-actions">
		function randomize() {
			chart.data.datasets.forEach(function(dataset, i) {
				dataset.backgroundColor = Samples.color(),
				dataset.data = dataset.data.map(function(value) {
					return Samples.rand(0, 100);
				});
			});

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