first commit

2023-01-30 08:01:11 +01:00
commit dd253ca7e9
1663 changed files with 846601 additions and 0 deletions
--- a/chart/samples/pie.html
+++ b/chart/samples/pie.html
@ -0,0 +1,97 @@
+<!doctype html>
+<html>
+
+<head>
+    <title>Pie Chart</title>
+    <script src="../Chart.bundle.js"></script>
+    <script src="utils.js"></script>
+</head>
+
+<body>
+    <div id="canvas-holder" style="width:40%">
+        <canvas id="chart-area" />
+    </div>
+    <button id="randomizeData">Randomize Data</button>
+    <button id="addDataset">Add Dataset</button>
+    <button id="removeDataset">Remove Dataset</button>
+    <script>
+    var randomScalingFactor = function() {
+        return Math.round(Math.random() * 100);
+    };
+
+    var config = {
+        type: 'pie',
+        data: {
+            datasets: [{
+                data: [
+                    randomScalingFactor(),
+                    randomScalingFactor(),
+                    randomScalingFactor(),
+                    randomScalingFactor(),
+                    randomScalingFactor(),
+                ],
+                backgroundColor: [
+                    window.chartColors.red,
+                    window.chartColors.orange,
+                    window.chartColors.yellow,
+                    window.chartColors.green,
+                    window.chartColors.blue,
+                ],
+                label: 'Dataset 1'
+            }],
+            labels: [
+                "Red",
+                "Orange",
+                "Yellow",
+                "Green",
+                "Blue"
+            ]
+        },
+        options: {
+            responsive: true
+        }
+    };
+
+    window.onload = function() {
+        var ctx = document.getElementById("chart-area").getContext("2d");
+        window.myPie = new Chart(ctx, config);
+    };
+
+    document.getElementById('randomizeData').addEventListener('click', function() {
+        config.data.datasets.forEach(function(dataset) {
+            dataset.data = dataset.data.map(function() {
+                return randomScalingFactor();
+            });
+        });
+
+        window.myPie.update();
+    });
+
+    var colorNames = Object.keys(window.chartColors);
+    document.getElementById('addDataset').addEventListener('click', function() {
+        var newDataset = {
+            backgroundColor: [],
+            data: [],
+            label: 'New dataset ' + config.data.datasets.length,
+        };
+
+        for (var index = 0; index < config.data.labels.length; ++index) {
+            newDataset.data.push(randomScalingFactor());
+
+            var colorName = colorNames[index % colorNames.length];;
+            var newColor = window.chartColors[colorName];
+            newDataset.backgroundColor.push(newColor);
+        }
+
+        config.data.datasets.push(newDataset);
+        window.myPie.update();
+    });
+
+    document.getElementById('removeDataset').addEventListener('click', function() {
+        config.data.datasets.splice(0, 1);
+        window.myPie.update();
+    });
+    </script>
+</body>
+
+</html>