interpreter ready

[Stephen Turner]

I have an unusual setup. Basically I have batik applet that receives 
ecma scripts through a socket. When I receive the scripts I put them in 
a list and invokeLater with the AWT event queue to execute them. The 
problem is that I have a hard time determining when the document is 
definitely fully loaded and ready to go. Unfortunately, if I try to get 
the interpreter from the bridge context before the document I get a 
nasty RuntimeException with a "Unknown document" message which is fair. 
I do add listeners to try to ensure the document is ready to go:

       // Set the JSVGCanvas listeners.
       m_svgCanvas.addSVGDocumentLoaderListener(new 
SVGDocumentLoaderAdapter() {
           public void documentLoadingStarted(SVGDocumentLoaderEvent e) {
               m_label.setText("Document Loading...");

               documentLoaded = false;
              
              
           }
           public void documentLoadingCompleted(SVGDocumentLoaderEvent e) {
               m_label.setText("Document Loaded.");
               m_consumer.log("Document Loaded.");
               documentLoaded = true;
                              
           }
       });

       m_svgCanvas.addGVTTreeBuilderListener(new GVTTreeBuilderAdapter() {
           public void gvtBuildStarted(GVTTreeBuilderEvent e) {
               m_label.setText("Build Started...");
               m_consumer.log("Build Started...");
               buildCompleted = false;
           }
           public void gvtBuildCompleted(GVTTreeBuilderEvent e) {
               m_label.setText("Build Done.");
               m_consumer.log("Build Done.");
               buildCompleted = true;
           }
       });
      
      

      
      
       m_svgCanvas.addGVTTreeRendererListener(new 
GVTTreeRendererAdapter() {
           public void gvtRenderingPrepare(GVTTreeRendererEvent e) {
               m_label.setText("Rendering Started...");
               m_consumer.log("Rendering Started...");
               renderCompleted = false;
           }
           public void gvtRenderingCompleted(GVTTreeRendererEvent e) {
              
               String uri = m_svgCanvas.getSVGDocument().getURL();
              
               m_label.setText(uri);
               m_consumer.log("Rendering Completed...");
              
              
               renderCompleted = true;
         }

Notice I set boolean values for each of the listeners. The reason I did 
this was because the events seem to fire out of order so I make sure all 
the booleans are true before I try to execute the scripts that have 
queued up. In other words, instead of always seeing "Document 
Loading->Document Loaded->Build Started->Build Finished->Rendering 
Started->Rendering Completed, they are sometimes out of order. Rendering 
Started seems to jump in whenever it feels like it. If I run a script 
and the Render starts over again it resets the interpreter and kills the 
scripts that were running. Is there something I'm missing?

Thanks,
Stephen
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