jqwidgets-scripts-custom
Version:
jQWidgets is an advanced jQuery, Angular 7, Vue, React, ASP .NET MVC, Custom Elements and HTML5 UI framework.
166 lines (151 loc) • 6.92 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 refreshTimeout = 100;
var colorsSchemesList = ["scheme01", "scheme02", "scheme03", "scheme04", "scheme05", "scheme06", "scheme07", "scheme08"];
var data = [];
var max = 200;
for (var i = 0; i < 20; i++) {
data.push({
key: i,
value1: (Math.random() * 200) % 200 + 200,
value2: (Math.random() * 200) % 200 + 500,
value3: (Math.random() * 200) % 200,
});
}
JQXElements.settings['chartSettings'] =
{
title: "Live updates performance",
description: "Data changes every " + refreshTimeout + " milliseconds",
enableAnimations: false,
showLegend: true,
padding: { left: 10, top: 10, right: 10, bottom: 10 },
titlePadding: { left: 0, top: 0, right: 0, bottom: 10 },
source: data,
xAxis:
{
dataField: 'key',
unitInterval: 1,
valuesOnTicks: true,
gridLines: { visible: false }
},
valueAxis:
{
minValue: 0,
maxValue: 750,
title: { text: 'Index Value<br>' },
},
colorScheme: 'scheme01',
seriesGroups:
[
{
type: 'line',
useGradientColors: false,
series: [
{ dataField: 'value1', displayText: 'value1', lineWidth: 2, symbolType: 'circle' }
]
},
{
type: 'spline',
useGradientColors: false,
columnsGapPercent: 50,
alignEndPointsWithIntervals: true,
series: [
{ dataField: 'value2', displayText: 'value2' }
]
},
{
type: 'column',
useGradientColors: false,
columnsGapPercent: 50,
alignEndPointsWithIntervals: true,
series: [
{ dataField: 'value3', displayText: 'value3' }
]
}
]
};
JQXElements.settings['DropDownColors'] =
{
source: colorsSchemesList,
selectedIndex: 2,
dropDownHeight: 100
};
window.onload = function () {
var myChart = document.querySelector('jqx-chart');
var myDropDownList = document.querySelector('jqx-drop-down-list');
var button = document.querySelector('jqx-button');
var chart = myChart.getInstance();
var timerFunction = function () {
data.splice(0, 1);
data.push({
key: data[data.length - 1].key + 1,
value1: (Math.random() * 200) % 200 + 200,
value2: (Math.random() * 200) % 200 + 500,
value3: (Math.random() * 200) % 200,
});
chart.update();
};
button.addEventListener('click', function () {
if (ttimer) {
clearInterval(ttimer);
button.val('Resume');
ttimer = undefined;
}
else {
ttimer = setInterval(timerFunction, refreshTimeout);
button.val('Pause');
}
});
myDropDownList.addEventListener('change', function (event) {
var value = event.args.item.value;
chart.colorScheme = value;
chart.update();
});
var ttimer = setInterval(timerFunction, refreshTimeout);
};
</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; width:170px;">
Pause / Resume updates:
</p>
<jqx-button type="button" id="btnPauseResume">Pause</jqx-button>
</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
</div>
</body>
</html>