FusionCharts API-Methods: isUpdateActive

Created using FusionCharts Suite XT - www.fusioncharts.com

by FusionCharts

HTML

<script src="https://static.fusioncharts.com/code/latest/fusioncharts.js"></script>
<script src="https://static.fusioncharts.com/code/latest/fusioncharts.charts.js"></script>
<script src="https://static.fusioncharts.com/code/latest/themes/fusioncharts.theme.fint.js"></script>
<!-- This sample shows the usage of the isUpdateActive() method -->
<div id="indicatorDiv">Method Name: <strong>isUpdateActive()</strong>
    <p>Returns true if real-time update is enabled for a chart. Returns false is real-time update is stopped using the <a href="http://www.fusioncharts.com/dev/api/fusioncharts/fusioncharts-methods.html#stopUpdate" target="_blank">stopUpdate()</a> method.</p>
    <p>Click <strong>Check update status</strong> to check if real-time update has been enabled for the chart shown below.</p>
    <div id="chart-container" class="mb-20">FusiomCharts will render here.</div>
    <div class="text-center mb-20">
    	<button id="update_status">Check update status</button>
    	<button id="stop_updt">Stop update </button>
   	</div>
    <div id="update_message">Real-time update status: <span id="msg"></span>

</div>

CSS

body {
    padding: 5px;
    margin: 0 auto;
}

strong{
  font-weight: bold;
}

.text-center {
  text-align: center;
}

p {
  margin: 10px auto;
}

.mb-20 {
  margin-bottom: 20px;
}

#indicatorDiv {
    width: 500px;
    font-family:'Arial', 'Helvetica';
    font-size: 13px;
}
#update_status {
    height: 25px;
    font-size: 13px;
}
#update_message {
    font-family:'Arial', 'Helvetica';
    font-size: 16px;
}
#stop_updt {
    height: 25px;
    font-size: 13px;
}
#rstrt_updt {
    height: 25px;
    font-size: 13px;
}

JavaScript

FusionCharts.ready(function () {
    var interval;
    var stockPriceChart = new FusionCharts({
        id: "stockRealTimeChart",
        type: 'realtimeline',
        renderAt: 'chart-container',
        width: '450',
        height: '250',
        dataFormat: 'json',
        dataSource: {
            "chart": {
                "caption": "Real-time stock price monitor",
                    "subCaption": "Harry's SuperMart",
                    "xAxisName": "Time",
                    "yAxisName": "Stock Price",
                    "numberPrefix": "$",
                    "refreshinterval": "5",
                    "yaxisminvalue": "35",
                    "yaxismaxvalue": "36",
                    "numdisplaysets": "10",
                    "labeldisplay": "rotate",
                    "showValues": "0",
                    "showRealTimeValue": "0",
                    "theme": "fint",
                    "captionFontSize": "13",
                    "subCaptionFontSize": "12"
            },
                "categories": [{
                "category": [{
                    "label": "Day Start"
                }]
            }],
                "dataset": [{
                "data": [{
                    "value": "35.27"
                }]
            }]
        },
            "events": {
            "initialized": function (e) {
                function addLeadingZero(num) {
                    return (num <= 9) ? ("0" + num) : num;
                }

                function updateData() {
                    // Get reference to the chart using its ID
                    var chartRef = FusionCharts("stockRealTimeChart"),
                        // We need to create a querystring format incremental update, containing
                        // label in hh:mm:ss format
                        // and a value (random).
                        currDate = new Date(),
                        label = addLeadingZero(currDate.getHours()) + ":" +...