Start again

2026-03-03 09:16:40 +01:00 · 2020-10-04 17:14:00 +02:00
parent c0d3912413
commit 091f119048
4382 changed files with 1762543 additions and 9606 deletions
--- a/vendors/Chart.js/samples/timeScale/line-time-point-data.html
+++ b/vendors/Chart.js/samples/timeScale/line-time-point-data.html
@@ -0,0 +1,163 @@
+<!doctype html>
+<html>
+
+<head>
+	<title>Time Scale Point Data</title>
+	<script src="../../dist/Chart.bundle.js"></script>
+	<script src="http://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;
+    }
+	</style>
+</head>
+
+<body>
+	<div style="width:75%;">
+		<canvas id="canvas"></canvas>
+	</div>
+	<br>
+	<br>
+	<button id="randomizeData">Randomize Data</button>
+	<button id="addData">Add Data</button>
+	<button id="removeData">Remove Data</button>
+	<script>
+		function randomScalingFactor() {
+			return Math.round(Math.random() * 100 * (Math.random() > 0.5 ? -1 : 1));
+		}
+
+		function randomColorFactor() {
+			return Math.round(Math.random() * 255);
+		}
+
+		function randomColor(opacity) {
+			return 'rgba(' + randomColorFactor() + ',' + randomColorFactor() + ',' + randomColorFactor() + ',' + (opacity || '.3') + ')';
+		}
+
+		function newDate(days) {
+			return moment().add(days, 'd').toDate();
+		}
+		
+		function newDateString(days) {
+			return moment().add(days, 'd').format();
+		}
+
+		var config = {
+			type: 'line',
+			data: {
+				datasets: [{
+					label: "Dataset with string point data",
+					data: [{
+						x: newDateString(0),
+						y: randomScalingFactor()
+					}, {
+						x: newDateString(2),
+						y: randomScalingFactor()
+					}, {
+						x: newDateString(4),
+						y: randomScalingFactor()
+					}, {
+						x: newDateString(5),
+						y: randomScalingFactor()
+					}],
+					fill: false
+				}, {
+					label: "Dataset with date object point data",
+					data: [{
+						x: newDate(0),
+						y: randomScalingFactor()
+					}, {
+						x: newDate(2),
+						y: randomScalingFactor()
+					}, {
+						x: newDate(4),
+						y: randomScalingFactor()
+					}, {
+						x: newDate(5),
+						y: randomScalingFactor()
+					}],
+					fill: false
+				}]
+			},
+			options: {
+				responsive: true,
+                title:{
+                    display:true,
+                    text:"Chart.js Time Point Data"
+                },
+				scales: {
+					xAxes: [{
+						type: "time",
+						display: true,
+						scaleLabel: {
+							display: true,
+							labelString: 'Date'
+						}
+					}],
+					yAxes: [{
+						display: true,
+						scaleLabel: {
+							display: true,
+							labelString: 'value'
+						}
+					}]
+				}
+			}
+		};
+
+		$.each(config.data.datasets, function(i, dataset) {
+			dataset.borderColor = randomColor(0.4);
+			dataset.backgroundColor = randomColor(0.5);
+			dataset.pointBorderColor = randomColor(0.7);
+			dataset.pointBackgroundColor = randomColor(0.5);
+			dataset.pointBorderWidth = 1;
+		});
+
+		window.onload = function() {
+			var ctx = document.getElementById("canvas").getContext("2d");
+			window.myLine = new Chart(ctx, config);
+
+		};
+
+		$('#randomizeData').click(function() {
+			$.each(config.data.datasets, function(i, dataset) {
+				$.each(dataset.data, function(j, dataObj) {
+					dataObj.y = randomScalingFactor();
+				});
+			});
+
+			window.myLine.update();
+		});
+
+		$('#addData').click(function() {
+			if (config.data.datasets.length > 0) {
+				var lastTime = myLine.scales['x-axis-0'].labelMoments[0].length ? myLine.scales['x-axis-0'].labelMoments[0][myLine.scales['x-axis-0'].labelMoments[0].length - 1] : moment();
+				var newTime = lastTime
+					.clone()
+					.add(1, 'day')
+					.format('MM/DD/YYYY HH:mm');
+
+				for (var index = 0; index < config.data.datasets.length; ++index) {
+					config.data.datasets[index].data.push({
+						x: newTime,
+						y: randomScalingFactor()
+					});
+				}
+
+				window.myLine.update();
+			}
+		});
+
+		$('#removeData').click(function() {
+			config.data.datasets.forEach(function(dataset, datasetIndex) {
+				dataset.data.pop();
+			});
+
+			window.myLine.update();
+		});
+	</script>
+</body>
+
+</html>