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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/binaryXHR.js"></script>
    <script type="text/javascript" src="../lib/rrdFile.js"></script>

    <!-- rrdFlot class needs the following four include files !-->
    <script type="text/javascript" src="../lib/rrdFlotSupport.js"></script>
    <script type="text/javascript" src="../lib/rrdFlot.js"></script>
    <script type="text/javascript" src="../../flot/jquery.js"></script>
    <script type="text/javascript" src="../../flot/jquery.flot.js"></script>
    <script type="text/javascript" src="../../flot/jquery.flot.selection.js"></script>
    <script type="text/javascript" src="../../flot/jquery.flot.tooltip.js"></script>
  <head>
    <title>RRD Graphs with Flot - Simplified version</title>
  </head>

  <body>
    <h1 id="title">RRD Graphs with Flot - Simplified version</h1>

    RRD URL: example3.rrd
    <br>
    <table width="100%">
    <tr><td width="50%">
    DS: SignChanger
    <br>
    RRA: 1
    </td>
    <td>
    DS: Oscilator
    <br>
    RRA: 0
    </td></tr>
    </table>
    <hr>

    <table id="infotable" border=1>
        <tr><td colspan="21"><b>Javascript needed for this page to work</b></td></tr>
    </table>

    <table width="100%">
    <tr><td width="50%">
    <div id="mygraph1"></div>
    </td>
    <td>
    <div id="mygraph2"></div>
    </td></tr>
    </table>

    <script type="text/javascript">

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

      // fname and rrd_data are the global variable used by all the functions below
      fname="example3.rrd"
      rrd_data=undefined;

      // This function updates the Web Page with the data from the RRD archive header
      // when a new file is selected
      function update_fname() {
        // Finally, update the file name and enable the update button

        var graph_opts={legend: { noColumns:4}};
        var ds_graph_opts={'Oscilator':{ color: "#ff8000", 
                                         lines: { show: true, fill: true, fillColor:"#ffff80"} },
                           'Idle':{ label: 'IdleJobs', color: "#00c0c0", 
                                    lines: { show: true, fill: true} },
                           'Running':{color: "#000000",yaxis:2}};

        

        var rrdflot_defaults1={graph_only:true,use_checked_DSs:true,checked_DSs:['SignChanger'],use_rra:true,rra:1}
        // the rrdFlot object creates and handles the graph
        var f=new rrdFlot("mygraph1",rrd_data,graph_opts,ds_graph_opts,rrdflot_defaults1);

        var rrdflot_defaults2={graph_only:true,use_checked_DSs:true,checked_DSs:['Oscilator'],use_rra:true,rra:0}
        // the rrdFlot object creates and handles the graph
        var f=new rrdFlot("mygraph2",rrd_data,graph_opts,ds_graph_opts,rrdflot_defaults2);
      }
 
      // This is the callback function that,
      // given a binary file object,
      // verifies that it is a valid RRD archive
      // and performs the update of the Web page
      function update_fname_handler(bf) {
          var i_rrd_data=undefined;
          try {
            var i_rrd_data=new RRDFile(bf);            
          } catch(err) {
            alert("File "+fname+" is not a valid RRD archive!\n"+err);
          }
          if (i_rrd_data!=undefined) {
            rrd_data=i_rrd_data;
            update_fname()
          }
      }

      // this function is invoked when the RRD file name changes
      function fname_update() {
        try {
          FetchBinaryURLAsync(fname,update_fname_handler);
        } catch (err) {
           alert("Failed loading "+fname+"\n"+err);
        }
      }


fname_update();

    </script>
  </body>
</html>