jqwidgets-scripts-custom
Version:
jQWidgets is an advanced jQuery, Angular 7, Vue, React, ASP .NET MVC, Custom Elements and HTML5 UI framework.
169 lines (144 loc) • 6.83 kB
HTML
<html lang="en">
<head>
<title id='Description'>Chart Custom Element LiveUpdatesEverySecond</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<meta name="viewport" content="width=device-width, initial-scale=1 maximum-scale=1 minimum-scale=1" />
<meta name="description" content="This is an example of Custom Element Chart that updates every second" />
<link rel="stylesheet" href="../../../jqwidgets/styles/jqx.base.css" type="text/css" />
<link rel="stylesheet" href="../../../styles/demos.css" type="text/css" />
<script type="text/javascript" src="../../../scripts/webcomponents-lite.min.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxcore.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxcore.elements.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxdata.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxdraw.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxchart.core.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxslider.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxbuttons.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxlistbox.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxscrollbar.js"></script>
<script type="text/javascript" src="../../../jqwidgets/jqxdropdownlist.js"></script>
<script type="text/javascript" src="../../../scripts/demos.js"></script>
<script>
var data = [];
var max = 800;
var timestamp = new Date();
for (var i = 0; i < 60; i++) {
timestamp.setMilliseconds(0);
timestamp.setSeconds(timestamp.getSeconds() - 1);
data.push({ timestamp: new Date(timestamp.valueOf()), value: Math.max(100, (Math.random() * 1000) % max) });
}
data = data.reverse();
var colorsSchemesList = ['scheme01', 'scheme02', 'scheme03', 'scheme04', 'scheme05', 'scheme06', 'scheme07', 'scheme08'];
var seriesList = ['line', 'area', 'steparea', 'splinearea', 'spline', 'column', 'scatter', 'stackedcolumn', 'stackedsplinearea', 'stackedspline'];
JQXElements.settings['chartSettings'] =
{
title: 'Live updates demo',
description: ' ',
enableAnimations: false,
animationDuration: 1000,
enableAxisTextAnimation: true,
showLegend: true,
padding: { left: 5, top: 5, right: 5, bottom: 5 },
titlePadding: { left: 0, top: 0, right: 0, bottom: 10 },
source: data,
xAxis:
{
dataField: 'timestamp',
type: 'date',
baseUnit: 'second',
unitInterval: 5,
formatFunction: function (value) {
return $.jqx.dataFormat.formatdate(value, 'hh:mm:ss', 'en-us');
},
gridLines: { step: 2 },
valuesOnTicks: true,
labels: { angle: -45, offset: { x: -17, y: 0 } }
},
colorScheme: 'scheme03',
seriesGroups:
[
{
type: 'line',
columnsGapPercent: 50,
alignEndPointsWithIntervals: true,
valueAxis:
{
minValue: 0,
maxValue: 1000,
title: { text: 'Index Value' }
},
series: [
{ dataField: 'value', displayText: 'value', opacity: 1, lineWidth: 2, symbolType: 'circle', fillColorSymbolSelected: 'white', symbolSize: 4 }
]
}
]
};
JQXElements.settings['DropDownSeries'] =
{
source: seriesList,
selectedIndex: 0,
dropDownHeight: 100
};
JQXElements.settings['DropDownColors'] =
{
source: colorsSchemesList,
selectedIndex: 2,
dropDownHeight: 100
};
window.onload = function () {
var myChart = document.querySelector('jqx-chart');
var myDropDownList = document.querySelectorAll('jqx-drop-down-list');
var chart = myChart.getInstance();
myDropDownList[0].addEventListener('change', function (event) {
var args = event.args;
if (args) {
var value = args.item.value;
var group = chart.seriesGroups[0];
chart.seriesGroups[0].type = value;
chart.update();
}
});
myDropDownList[1].addEventListener('change', function (event) {
var value = event.args.item.value;
chart.colorScheme = value;
chart.update();
});
var ttimer = setInterval(function () {
var max = 800;
if (data.length >= 60)
data.splice(0, 1);
var timestamp = new Date();
timestamp.setSeconds(timestamp.getSeconds());
timestamp.setMilliseconds(0);
data.push({ timestamp: timestamp, value: Math.max(100, (Math.random() * 1000) % max) });
myChart.update();
}, 1000);
};
</script>
</head>
<body>
<jqx-chart settings="chartSettings" style="width:850px; height:500px;"></jqx-chart>
<table style="width: 680px">
<tr>
<td style="padding-left: 50px;">
<p style="font-family: Verdana; font-size: 12px;">
Select the series type:
</p>
<jqx-drop-down-list settings='DropDownSeries'>
</jqx-drop-down-list>
</td>
<td>
<p style="font-family: Verdana; font-size: 12px;">
Select color scheme:
</p>
<jqx-drop-down-list settings='DropDownColors'>
</jqx-drop-down-list>
</td>
</tr>
</table>
<div class="example-description">
This is an example of Custom Element Chart with Live updates every second.
</div>
</body>
</html>