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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<!--
 Example HTML/javascript file that display the
 content of a RRD archive file in a graph
 using the Flot libraries
 Part of the javascriptRRD package
 Copyright (c) 2010 Frank Wuerthwein, fkw@ucsd.edu
                    Igor Sfiligoi, isfiligoi@ucsd.edu

 Original repository: http://javascriptrrd.sourceforge.net/
 
 MIT License [http://www.opensource.org/licenses/mit-license.php]

-->

<!--
 This page requires Flot.

 Repository: http://www.flotcharts.org/
 [Previous repository: http://code.google.com/p/flot/]

-->

<html>
  
    <script type="text/javascript" src="../lib/javascriptrrd.wlibs.js"></script>
    <!-- the above script replaces the rrdfFlotAsync,rrdFlotMatrix, rrdFlotSelection, rrdFile, binaryXHR and all the jquery libraries -->
  <head>
    <title>Graph multiple RRDs with Flot</title>
  </head>

  <body>
     <h1 id="title">Graph multiple RRDs with Flot</h1>

     RRD group: <select id="input_fname" onchange="fname_update()"></select>
     <button onclick="fname_update()">Update</button>
    <hr>

    <table id="infotable" border=1>
        <tr><td colspan="21"><b>Javascript needed for this page to work</b></td></tr>
	<tr><td><b>RRD file</b></td><td id="fname" colspan="5">None</td></tr>
    </table>

    <div id="mygraph"></div>

    <script type="text/javascript">

      // Remove the Javascript warning
      document.getElementById("infotable").deleteRow(0);

      {
        var form_el=document.getElementById('input_fname');
        form_el.appendChild(new Option("example4","example4"));
       }
    

      flot_obj=new rrdFlotMatrixAsync("mygraph",null,null,{legend:{position:'ne'}},{'s2':{checked:false},'s1':{title:'First rrd'}});

      // this function is invoked when the RRD file name changes
      function fname_update() {
        var base_el=document.getElementById("mygraph");
        // First clean up anything in the element
        while (base_el.lastChild!=null) base_el.removeChild(base_el.lastChild);

        fname_group=document.getElementById("input_fname").value;
        fname1=fname_group+"_s1.rrd";
        fname2=fname_group+"_s2.rrd";
        fname3=fname_group+"_s3.rrd";

        flot_obj.reload([['s1',fname1],['s2',fname2],['s3',fname3]]);
        document.getElementById("fname").firstChild.data=fname_group;
      }
    </script>
  </body>
</html>