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126 lines
2.7 KiB
Markdown
126 lines
2.7 KiB
Markdown
# Loop
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```js chart-editor
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// <block:actions:2>
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const actions = [
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{
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name: 'Randomize',
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handler(chart) {
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chart.data.datasets.forEach(dataset => {
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dataset.data = Utils.numbers({count: chart.data.labels.length, min: -100, max: 100});
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});
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chart.update();
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}
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},
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{
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name: 'Add Dataset',
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handler(chart) {
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const data = chart.data;
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const dsColor = Utils.namedColor(chart.data.datasets.length);
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const newDataset = {
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label: 'Dataset ' + (data.datasets.length + 1),
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backgroundColor: Utils.transparentize(dsColor, 0.5),
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borderColor: dsColor,
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data: Utils.numbers({count: data.labels.length, min: -100, max: 100}),
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};
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chart.data.datasets.push(newDataset);
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chart.update();
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}
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},
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{
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name: 'Add Data',
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handler(chart) {
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const data = chart.data;
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if (data.datasets.length > 0) {
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data.labels = Utils.months({count: data.labels.length + 1});
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for (var index = 0; index < data.datasets.length; ++index) {
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data.datasets[index].data.push(Utils.rand(-100, 100));
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}
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chart.update();
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}
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}
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},
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{
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name: 'Remove Dataset',
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handler(chart) {
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chart.data.datasets.pop();
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chart.update();
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}
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},
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{
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name: 'Remove Data',
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handler(chart) {
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chart.data.labels.splice(-1, 1); // remove the label first
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chart.data.datasets.forEach(dataset => {
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dataset.data.pop();
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});
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chart.update();
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}
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}
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];
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// </block:actions>
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// <block:setup:1>
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const DATA_COUNT = 7;
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const NUMBER_CFG = {count: DATA_COUNT, min: -100, max: 100};
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const labels = Utils.months({count: DATA_COUNT});
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const data = {
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labels: labels,
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datasets: [
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{
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label: 'Dataset 1',
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data: Utils.numbers(NUMBER_CFG),
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borderColor: Utils.CHART_COLORS.red,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
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tension: 0.4,
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},
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{
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label: 'Dataset 2',
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data: Utils.numbers(NUMBER_CFG),
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borderColor: Utils.CHART_COLORS.blue,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.blue, 0.5),
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tension: 0.2,
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}
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]
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};
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// </block:setup>
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// <block:config:0>
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const config = {
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type: 'line',
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data: data,
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options: {
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animations: {
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radius: {
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duration: 400,
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easing: 'linear',
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loop: (context) => context.active
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}
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},
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hoverRadius: 12,
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hoverBackgroundColor: 'yellow',
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interaction: {
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mode: 'nearest',
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intersect: false,
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axis: 'x'
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},
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plugins: {
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tooltip: {
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enabled: false
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}
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}
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},
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};
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// </block:config>
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module.exports = {
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actions: actions,
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config: config,
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};
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```
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