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Allow specifying spanGaps as number (max distance) (#6993)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| <!doctype html> | ||
| <html> | ||
|
|
||
| <head> | ||
| <title>Time Scale Point Data</title> | ||
| <script src="https://cdn.jsdelivr.net/npm/moment@2.24.0/moment.min.js"></script> | ||
| <script src="../../../dist/Chart.min.js"></script> | ||
| <script src="../../utils.js"></script> | ||
| <style> | ||
| canvas { | ||
| -moz-user-select: none; | ||
| -webkit-user-select: none; | ||
| -ms-user-select: none; | ||
| } | ||
| </style> | ||
| </head> | ||
|
|
||
| <body> | ||
| <div style="width:75%;"> | ||
| <canvas id="canvas"></canvas> | ||
| </div> | ||
| <br> | ||
| <br> | ||
| <button id="randomizeData">Randomize Data</button> | ||
| <button id="addData">Add Data</button> | ||
| <button id="removeData">Remove Data</button> | ||
| <script> | ||
| function newDate(days) { | ||
| return moment().add(days, 'd').toDate(); | ||
| } | ||
|
|
||
| function newDateString(days) { | ||
| return moment().add(days, 'd').format(); | ||
| } | ||
|
|
||
| var color = Chart.helpers.color; | ||
| var config = { | ||
| type: 'line', | ||
| data: { | ||
| datasets: [{ | ||
| label: 'Dataset with string point data', | ||
| backgroundColor: color(window.chartColors.red).alpha(0.5).rgbString(), | ||
| borderColor: window.chartColors.red, | ||
| fill: false, | ||
| data: [{ | ||
| x: newDateString(0), | ||
| y: randomScalingFactor() | ||
| }, { | ||
| x: newDateString(2), | ||
| y: randomScalingFactor() | ||
| }, { | ||
| x: newDateString(4), | ||
| y: randomScalingFactor() | ||
| }, { | ||
| x: newDateString(6), | ||
| y: randomScalingFactor() | ||
| }], | ||
| }, { | ||
| label: 'Dataset with date object point data', | ||
| backgroundColor: color(window.chartColors.blue).alpha(0.5).rgbString(), | ||
| borderColor: window.chartColors.blue, | ||
| fill: false, | ||
| data: [{ | ||
| x: newDate(0), | ||
| y: randomScalingFactor() | ||
| }, { | ||
| x: newDate(2), | ||
| y: randomScalingFactor() | ||
| }, { | ||
| x: newDate(5), | ||
| y: randomScalingFactor() | ||
| }, { | ||
| x: newDate(6), | ||
| y: randomScalingFactor() | ||
| }] | ||
| }] | ||
| }, | ||
| options: { | ||
| spanGaps: 1000 * 60 * 60 * 24 * 2, // 2 days | ||
| responsive: true, | ||
| title: { | ||
| display: true, | ||
| text: 'Chart.js Time - spanGaps: 172800000 (2 days in ms)' | ||
| }, | ||
| scales: { | ||
| x: { | ||
| type: 'time', | ||
| display: true, | ||
| scaleLabel: { | ||
| display: true, | ||
| labelString: 'Date' | ||
| }, | ||
| ticks: { | ||
| major: { | ||
| fontStyle: 'bold', | ||
| fontColor: '#FF0000' | ||
| } | ||
| } | ||
| }, | ||
| y: { | ||
| display: true, | ||
| scaleLabel: { | ||
| display: true, | ||
| labelString: 'value' | ||
| } | ||
| } | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| window.onload = function() { | ||
| var ctx = document.getElementById('canvas').getContext('2d'); | ||
| window.myLine = new Chart(ctx, config); | ||
| }; | ||
|
|
||
| document.getElementById('randomizeData').addEventListener('click', function() { | ||
| config.data.datasets.forEach(function(dataset) { | ||
| dataset.data.forEach(function(dataObj) { | ||
| dataObj.y = randomScalingFactor(); | ||
| }); | ||
| }); | ||
|
|
||
| window.myLine.update(); | ||
| }); | ||
| document.getElementById('addData').addEventListener('click', function() { | ||
| if (config.data.datasets.length > 0) { | ||
| config.data.datasets[0].data.push({ | ||
| x: newDateString(config.data.datasets[0].data.length + 2), | ||
| y: randomScalingFactor() | ||
| }); | ||
| config.data.datasets[1].data.push({ | ||
| x: newDate(config.data.datasets[1].data.length + 2), | ||
| y: randomScalingFactor() | ||
| }); | ||
|
|
||
| window.myLine.update(); | ||
| } | ||
| }); | ||
|
|
||
| document.getElementById('removeData').addEventListener('click', function() { | ||
| config.data.datasets.forEach(function(dataset) { | ||
| dataset.data.pop(); | ||
| }); | ||
|
|
||
| window.myLine.update(); | ||
| }); | ||
| </script> | ||
| </body> | ||
|
|
||
| </html> |
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