Chartwerk Line Pod
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90 lines
2.9 KiB

<!DOCTYPE html>
<html>
<head>
<meta content="text/html;charset=utf-8" http-equiv="Content-Type">
<meta content="utf-8" http-equiv="encoding">
<script src="../dist/index.js" type="text/javascript"></script>
</head>
<body>
<div id="chart" style="width: 50%; height: 500px;"></div>
<script type="text/javascript">
const startTime = 1590590148;
const arrayLength = 20;
const data1 = createDatapoints(arrayLength, startTime, 40);
const data2 = createDatapoints(arrayLength, startTime, 30, 50);
const data3 = createDatapoints(arrayLength, startTime, 20, 90);
let options = {
renderLegend: false,
axis: {
y: { invert: true, valueFormatter: timeValueFormatter, format: 'custom', colorFormatter: colorFormatter },
x: { format: 'numeric' }
},
zoomEvents: {
mouse: {
pan: { isActive: true, orientation: 'vertical', keyEvent: 'shift' },
zoom: { isActive: true, orientation: 'vertical', keyEvent: 'main' }
},
scroll: {
pan: { isActive: true, orientation: 'vertical', keyEvent: 'main' },
zoom: { isActive: false, keyEvent: 'shift' }
}
},
eventsCallbacks: { zoomIn: zoomIn, zoomOut, panning: onPanning, },
crosshair: { orientation: 'horizontal' },
margin: { top: 30, right: 20, bottom: 20, left: 50 }
}
var pod = new ChartwerkLineChart(
document.getElementById('chart'),
[
{ target: 'test1', datapoints: data1, color: 'green' },
{ target: 'test2', datapoints: data2, color: 'blue' },
{ target: 'test3', datapoints: data3, color: 'orange' },
],
options
);
pod.render();
function zoomIn(ranges) {
const range = ranges[1];
options.axis.y.range = range;
pod.updateData(undefined, options);
}
function zoomOut() {
options.axis.y.range = undefined;
console.log('zoomOut', pod.updateData);
pod.updateData(undefined, options)
}
function onPanning() {
console.log('panning', pod);
}
function createDatapoints(arrayLength, startTime, randomValue, randomOffset = 0) {
return Array.from({ length: arrayLength }, (el, idx) => [
startTime + idx * 10000, // y axis
Math.floor(Math.random() * randomValue) + randomOffset // x axis
]);
}
function timeValueFormatter(value) {
const date = new Date(value);
const hours = date.getHours();
const minutes = '0' + date.getMinutes();
const seconds = '0' + date.getSeconds();
return hours + ':' + minutes.substr(-2) + ':' + seconds.substr(-2);
}
function colorFormatter(value, index) {
if(index % 2 === 0) {
return 'red';
}
return 'black';
}
</script>
</body>
</html>