Adds scriptable radar example

chartjs · Feb 10, 2019 · 8853809 · 8853809
1 parent 1893fa6
commit 8853809
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diff --git a/samples/samples.js b/samples/samples.js
@@ -190,6 +190,9 @@
 		}, {
 			title: 'Polar Area Chart',
 			path: 'scriptable/polar.html'
+		}, {
+			title: 'Radar Chart',
+			path: 'scriptable/radar.html'
 		}]
 	}, {
 		title: 'Advanced',

diff --git a/samples/scriptable/radar.html b/samples/scriptable/radar.html
@@ -0,0 +1,112 @@
+<!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">
+	<title>Scriptable > Radar | Chart.js sample</title>
+	<link rel="stylesheet" type="text/css" href="../style.css">
+	<script src="../../dist/Chart.min.js"></script>
+	<script src="../utils.js"></script>
+</head>
+<body>
+	<div class="content">
+		<div class="wrapper"><canvas id="chart-0"></canvas></div>
+		<div class="toolbar">
+			<button onclick="randomize(this)">Randomize</button>
+			<button onclick="addDataset(this)">Add Dataset</button>
+			<button onclick="removeDataset(this)">Remove Dataset</button>
+		</div>
+	</div>
+
+	<script>
+		var DATA_COUNT = 7;
+
+		var utils = Samples.utils;
+
+		utils.srand(110);
+
+		function alternatePointStyles(ctx) {
+			var index = ctx.dataIndex;
+			return index % 2 === 0 ? 'circle' : 'rect';
+		}
+
+		function makeHalfAsOpaque(ctx) {
+			var c = ctx.dataset.backgroundColor;
+			return utils.transparentize(c);
+		}
+
+		function adjustRadiusBasedOnData(ctx) {
+			var v = ctx.dataset.data[ctx.dataIndex];
+			return v < 10 ? 5
+				: v < 25 ? 7
+				: v < 50 ? 9
+				: v < 75 ? 11
+				: 15;
+		}
+
+		function generateData() {
+			return utils.numbers({
+				count: DATA_COUNT,
+				min: 0,
+				max: 100
+			});
+		}
+
+		var data = {
+			labels: [['Eating', 'Dinner'], ['Drinking', 'Water'], 'Sleeping', ['Designing', 'Graphics'], 'Coding', 'Cycling', 'Running'],
+			datasets: [{
+				data: generateData(),
+				backgroundColor: Chart.helpers.color('#4dc9f6').alpha(0.2).rgbString(),
+				borderColor: '#4dc9f6',
+			}]
+		};
+
+		var options = {
+			legend: false,
+			tooltips: true,
+			elements: {
+				point: {
+					hoverBackgroundColor: makeHalfAsOpaque,
+					radius: adjustRadiusBasedOnData,
+					pointStyle: alternatePointStyles,
+					hoverRadius: 15,
+				}
+			}
+		};
+
+		var chart = new Chart('chart-0', {
+			type: 'radar',
+			data: data,
+			options: options
+		});
+
+
+		// eslint-disable-next-line no-unused-vars
+		function addDataset() {
+			var newColor = utils.color(chart.data.datasets.length);
+
+			chart.data.datasets.push({
+				data: generateData(),
+				backgroundColor: Chart.helpers.color(newColor).alpha(0.2).rgbString(),
+				borderColor: newColor
+			});
+			chart.update();
+		}
+
+		// eslint-disable-next-line no-unused-vars
+		function randomize() {
+			chart.data.datasets.forEach(function(dataset) {
+				dataset.data = generateData();
+			});
+			chart.update();
+		}
+
+		// eslint-disable-next-line no-unused-vars
+		function removeDataset() {
+			chart.data.datasets.shift();
+			chart.update();
+		}
+	</script>
+</body>
+</html>