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<!-- author vincent.hardy@eng.sun.com                                          -->
<!-- version $Id$ -->
<!-- ========================================================================= -->

<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V2.0//EN" "http://forrest.apache.org/dtd/document-v20.dtd">
<document>
  <header>
    <title>Batik Demo</title>
  </header>

  <body>
    <p>
      This page demonstrates the use of Batik’s
      <a href="site:swing">JSVGCanvas</a> swing component in a Java applet.
    </p>

    <table id="layout">
      <tr>
        <td>
          <applet id="chart" codebase="demo/" code="AppletDemo.class"
                  width="400" height="300" mayscript="mayscript"
                  archive="batik-awt-util.jar,
                           batik-bridge.jar,
                           batik-css.jar,
                           batik-dom.jar,
                           batik-ext.jar,
                           batik-gvt.jar,
                           batik-parser.jar,
                           batik-svg-dom.jar,
                           batik-script.jar,
                           batik-swing.jar,
                           batik-util.jar,
                           batik-xml.jar,
                           xml-apis-dom3.jar">
            [Your browser doesn’t seem to support Java applets, which is required
            for this demo.]
          </applet>
        </td>
        <td>
          <table id="data">
            <tr>
              <th>Expense</th><th>Amount</th>
            </tr>
            <tr>
              <td>Shoe</td>
              <td><input id="ShoeBar" type="text" value="10"/></td>
            </tr>
            <tr>
              <td>Car</td>
              <td><input id="CarBar" type="text" value="20"/></td>
            </tr>
            <tr>
              <td>Travel</td>
              <td><input id="TravelBar" type="text" value="10"/></td>
            </tr>
            <tr>
              <td>Computer</td>
              <td><input id="ComputerBar" type="text" value="60"/></td>
            </tr>
          </table>
          <p>
            <button onclick="update()">Update chart</button>
          </p>
        </td>
      </tr>
    </table>

    <script><![CDATA[
      var chart;

      function get(id) {
        var e = document.getElementById(id);
        // This loop just gets around the problem of IE returning the 'a'
        // element looked up by name, rather than the desired element by id.
        while (e.nodeType != 1 || e.getAttribute("id") != id) {
          e = e.nextSibling;
        }
        return e;
      }

      function update() {
        chart = get("chart");
        updateBar("ShoeBar");
        updateBar("CarBar");
        updateBar("TravelBar");
        updateBar("ComputerBar");
      }

      function updateBar(name) {
        var input = get(name);
        var value = Number(input.value);
        if (!isNaN(value) && value >= 0) {
          chart.updateBar(name, value);
        }
      }
    ]]></script>

    <p>
      The applet (<a href="demo/AppletDemo.java">view source</a>) displays
      the
      <a href="http://svn.apache.org/repos/asf/xmlgraphics/batik/trunk/samples/barChart.svg">barChart.svg</a>
      sample from the Batik distribution using a <code>JSVGCanvas</code>.
      Script in the web page then interacts with the applet, by calling the
      <code>updateBar</code> method of the applet object when the
      <b>Update chart</b> button is pressed.  This method modifies the
      SVG document being displayed to update the heights of the bars.
    </p>
  </body>
</document>
