Timeseries scale #4364
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,167 @@ | ||
| <!doctype html> | ||
| <html> | ||
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| <head> | ||
| <title>Line Chart</title> | ||
| <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js"></script> | ||
| <script src="../../../dist/Chart.js"></script> | ||
| <script src="../../utils.js"></script> | ||
| <style> | ||
| canvas { | ||
| -moz-user-select: none; | ||
| -webkit-user-select: none; | ||
| -ms-user-select: none; | ||
| } | ||
| </style> | ||
| </head> | ||
|
|
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| <body> | ||
| <div style="width:75%;"> | ||
| <canvas id="canvas"></canvas> | ||
| </div> | ||
| <br> | ||
| <br> | ||
| <button id="randomizeData">Randomize Data</button> | ||
| <button id="addDataset">Add Dataset</button> | ||
| <button id="removeDataset">Remove Dataset</button> | ||
| <button id="addData">Add Data</button> | ||
| <button id="removeData">Remove Data</button> | ||
| <script> | ||
| var timeFormat = 'MM/DD/YYYY HH:mm'; | ||
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| function newDate(days) { | ||
| return moment().add(days, 'd').toDate(); | ||
| } | ||
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| function newDateString(days) { | ||
| return moment().add(days, 'd').format(); | ||
| } | ||
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| function newTimestamp(days) { | ||
| return moment().add(days, 'd').unix(); | ||
| } | ||
|
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| var numDataPoints = 120; | ||
| var labels = [] | ||
| var data = [] | ||
| for (var i = 0; i < numDataPoints; i++) { | ||
| labels.push(newDate(i)); | ||
| data.push(randomScalingFactor()); | ||
| } | ||
|
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| var color = Chart.helpers.color; | ||
| var config = { | ||
| type: 'line', | ||
| data: { | ||
| labels: labels, | ||
| datasets: [{ | ||
| label: "My First dataset", | ||
| backgroundColor: color(window.chartColors.red).alpha(0.5).rgbString(), | ||
| borderColor: window.chartColors.red, | ||
| fill: false, | ||
| data: data, | ||
| }] | ||
| }, | ||
| options: { | ||
| title:{ | ||
| text: "Chart.js Time Scale" | ||
| }, | ||
| scales: { | ||
| xAxes: [{ | ||
| type: "timeseries", | ||
| time: { | ||
| format: timeFormat, | ||
| // round: 'day' | ||
| tooltipFormat: 'll HH:mm' | ||
| }, | ||
| scaleLabel: { | ||
| display: true, | ||
| labelString: 'Date' | ||
| } | ||
| }], | ||
| yAxes: [{ | ||
| scaleLabel: { | ||
| display: true, | ||
| labelString: 'value' | ||
| } | ||
| }] | ||
| }, | ||
| } | ||
| }; | ||
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| window.onload = function() { | ||
| var ctx = document.getElementById("canvas").getContext("2d"); | ||
| window.myLine = new Chart(ctx, config); | ||
|
|
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| }; | ||
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| document.getElementById('randomizeData').addEventListener('click', function() { | ||
| config.data.datasets.forEach(function(dataset) { | ||
| dataset.data.forEach(function(dataObj, j) { | ||
| if (typeof dataObj === 'object') { | ||
| dataObj.y = randomScalingFactor(); | ||
| } else { | ||
| dataset.data[j] = randomScalingFactor(); | ||
| } | ||
| }); | ||
| }); | ||
|
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| window.myLine.update(); | ||
| }); | ||
|
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| var colorNames = Object.keys(window.chartColors); | ||
| document.getElementById('addDataset').addEventListener('click', function() { | ||
| var colorName = colorNames[config.data.datasets.length % colorNames.length]; | ||
| var newColor = window.chartColors[colorName] | ||
| var newDataset = { | ||
| label: 'Dataset ' + config.data.datasets.length, | ||
| borderColor: newColor, | ||
| backgroundColor: color(newColor).alpha(0.5).rgbString(), | ||
| data: [], | ||
| }; | ||
|
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| for (var index = 0; index < config.data.labels.length; ++index) { | ||
| newDataset.data.push(randomScalingFactor()); | ||
| } | ||
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| config.data.datasets.push(newDataset); | ||
| window.myLine.update(); | ||
| }); | ||
|
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| document.getElementById('addData').addEventListener('click', function() { | ||
| if (config.data.datasets.length > 0) { | ||
| config.data.labels.push(newDate(config.data.labels.length)); | ||
|
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| for (var index = 0; index < config.data.datasets.length; ++index) { | ||
| if (typeof config.data.datasets[index].data[0] === "object") { | ||
| config.data.datasets[index].data.push({ | ||
| x: newDate(config.data.datasets[index].data.length), | ||
| y: randomScalingFactor(), | ||
| }); | ||
| } else { | ||
| config.data.datasets[index].data.push(randomScalingFactor()); | ||
| } | ||
| } | ||
|
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| window.myLine.update(); | ||
| } | ||
| }); | ||
|
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| document.getElementById('removeDataset').addEventListener('click', function() { | ||
| config.data.datasets.splice(0, 1); | ||
| window.myLine.update(); | ||
| }); | ||
|
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| document.getElementById('removeData').addEventListener('click', function() { | ||
| config.data.labels.splice(-1, 1); // remove the label first | ||
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| config.data.datasets.forEach(function(dataset, datasetIndex) { | ||
| dataset.data.pop(); | ||
| }); | ||
|
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| window.myLine.update(); | ||
| }); | ||
| </script> | ||
| </body> | ||
|
|
||
| </html> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -219,7 +219,6 @@ module.exports = function(Chart) { | |
| max: niceMax | ||
| }); | ||
| } | ||
| }; | ||
|
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| }; | ||
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Can we keep
title: 'Time scales'and avoid the title on 2 lines?There was a problem hiding this comment.
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done