Keep Vertical Line on Click Event in line chart - Javascript highcharts

Javascript examples for highcharts:Line Chart

  1. HOME
  2. Javascript
  3. highcharts
  4. Line Chart

Description

Keep Vertical Line on Click Event in line chart

Demo Code

ResultView the demo in separate window 

<html>
   <head> 
      <title>Jugal | Add plot lines on click | Highchart &amp; Highstock</title> 
      <meta name="viewport" content="width=device-width, initial-scale=1"> 
      <style id="compiled-css" type="text/css">

#container{    min-width:500px;
}


      </style> 
      <script type="text/javascript">
    var VanillaRunOnDomReady = function() {
var myPlotLineId="myPlotLine";
var chartingOptions = {/*from  w w  w. j av  a2 s.com*/
    chart: {
        renderTo: 'container',
        events: {
            click: function(evt) {
                var xValue = evt.xAxis[0].value;
                var xAxis = evt.xAxis[0].axis;
                $.each(xAxis.plotLinesAndBands,function(){
                    if(this.id===myPlotLineId)
                    {
                        this.destroy();
                    }
                });
                xAxis.addPlotLine({
                    value: xValue,
                    width: 1,
                    color: 'red',
                    //dashStyle: 'dash',
                    id: myPlotLineId
                });
            }
        }
    }
};
chartingOptions = $.extend({}, jugalsLib.getBasicChartOptions(), chartingOptions);
var chart = new Highcharts.StockChart(chartingOptions);
    }
var alreadyrunflag = 0;
if (document.addEventListener)
    document.addEventListener("DOMContentLoaded", function(){
        alreadyrunflag=1;
        VanillaRunOnDomReady();
    }, false);
else if (document.all && !window.opera) {
    document.write('<script type="text/javascript" id="contentloadtag" defer="defer" src="javascript:void(0)"><\/script>');
    var contentloadtag = document.getElementById("contentloadtag")
    contentloadtag.onreadystatechange=function(){
        if (this.readyState=="complete"){
            alreadyrunflag=1;
            VanillaRunOnDomReady();
        }
    }
}
window.onload = function(){
  setTimeout("if (!alreadyrunflag){VanillaRunOnDomReady}", 0);
}

      </script> 
   </head> 
   <body> 
      <script type="text/javascript" src="https://code.jquery.com/jquery-1.7.2.js"></script> 
      <script type="text/javascript" src="http://code.jugal.me/js/jugalsLib.js"></script> 
      <script type="text/javascript" src="https://code.highcharts.com/stock/highstock.src.js"></script> 
      <script type="text/javascript" src="https://code.highcharts.com/stock/modules/exporting.src.js"></script> 
      <div id="container"></div>  
   </body>
</html>

Related Tutorials