143 lines
3.3 KiB
HTML
Executable File
143 lines
3.3 KiB
HTML
Executable File
<!doctype html>
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<html>
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<head>
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<title>Line Chart</title>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js"></script>
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<script src="../node_modules/chart.js/dist/Chart.js"></script>
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<script src="../node_modules/hammerjs/hammer.min.js"></script>
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<script src="../chartjs-plugin-zoom.js"></script>
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<style>
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canvas {
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-moz-user-select: none;
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-webkit-user-select: none;
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-ms-user-select: none;
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}
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</style>
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</head>
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<body>
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<div style="width:75%;">
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<button onclick="resetZoom()">Reset Zoom</button>
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<canvas id="canvas"></canvas>
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</div>
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<script>
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var timeFormat = 'MM/DD/YYYY HH:mm';
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function randomScalingFactor() {
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return Math.round(Math.random() * 100 * (Math.random() > 0.5 ? -1 : 1));
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}
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function randomColorFactor() {
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return Math.round(Math.random() * 255);
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}
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function randomColor(opacity) {
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return 'rgba(' + randomColorFactor() + ',' + randomColorFactor() + ',' + randomColorFactor() + ',' + (opacity || '.3') + ')';
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}
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function newDate(days) {
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return moment().add(days, 'd').toDate();
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}
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function newDateString(days) {
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return moment().add(days, 'd').format(timeFormat);
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}
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function newTimestamp(days) {
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return moment().add(days, 'd').unix();
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}
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function resetZoom() {
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window.myLine.resetZoom()
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}
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var config = {
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type: 'line',
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data: {
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labels: [newDate(0), newDate(1), newDate(2), newDate(3), newDate(4), newDate(5), newDate(6)], // Date Objects
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datasets: [{
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label: "My First dataset",
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data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()],
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fill: false,
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borderDash: [5, 5],
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}, {
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label: "My Second dataset",
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data: [randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor(), randomScalingFactor()],
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}, {
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label: "Dataset with point data",
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data: [{
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x: newDateString(0),
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y: randomScalingFactor()
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}, {
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x: newDateString(5),
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y: randomScalingFactor()
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}, {
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x: newDateString(7),
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y: randomScalingFactor()
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}, {
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x: newDateString(15),
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y: randomScalingFactor()
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}],
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fill: false
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}]
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},
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options: {
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responsive: true,
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title:{
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display:true,
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text:"Chart.js Time Scale"
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},
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scales: {
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xAxes: [{
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type: "time",
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time: {
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format: timeFormat,
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// round: 'day'
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tooltipFormat: 'll HH:mm'
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},
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scaleLabel: {
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display: true,
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labelString: 'Date'
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},
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ticks: {
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maxRotation: 0
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}
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}, ],
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yAxes: [{
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scaleLabel: {
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display: true,
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labelString: 'value'
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}
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}]
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},
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zoom: {
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enabled: true,
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drag: true,
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mode: 'x',
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limits: {
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max: 10,
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min: 0.5
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}
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}
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}
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};
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config.data.datasets.forEach(function(dataset) {
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dataset.borderColor = randomColor(0.4);
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dataset.backgroundColor = randomColor(0.5);
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dataset.pointBorderColor = randomColor(0.7);
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dataset.pointBackgroundColor = randomColor(0.5);
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dataset.pointBorderWidth = 1;
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});
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window.onload = function() {
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var ctx = document.getElementById("canvas").getContext("2d");
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window.myLine = new Chart(ctx, config);
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};
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</script>
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</body>
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</html>
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