//----------------------------------------------------------------------------
	/**
	 * Builds controls of the office panel. 
	 * 
	 * @author Andreas Bröker
	 * @date 28.06.2006
	 */
	private void buildControls() {		
		super.setLayout(new GridLayout(1, false));
//		baseComposite = new Composite(this, SWT.EMBEDDED);
		stackLayout = new StackLayout();
		stackLayout.marginHeight = -5;
		stackLayout.marginWidth = -5;
//		baseComposite.setLayout(stackLayout);
//		baseComposite.setBackground(this.getParent().getBackground());

		baseComposite = this;
//        baseComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
		
//		if(!showProgressIndicator)
//			buildProgressIndicator(this);
	}
  //----------------------------------------------------------------------------	
	/**
	 * Activates a new office frame.
	 * 
	 * @return new builded office frame
	 * 
	 * @throws CoreException if a new office frame can not be activated
	 * 
	 * @author Andreas Bröker
	 * @date 28.06.2006
	 */
	private IFrame activateNewFrame() throws CoreException {
		Control oldOfficeComposite = stackLayout.topControl;
		Frame oldOfficeAWTFrame = officeAWTFrame;
		
		officeComposite = new Composite(baseComposite, SWT.EMBEDDED);
		officeComposite.setBackground(this.getBackground());
		officeComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    try {      
      officeAWTFrame = SWT_AWT.new_Frame(officeComposite);
      officeAWTFrame.setVisible(true);
      officeAWTFrame.setBackground(Color.GREEN);
      Panel officeAWTPanel = new Panel(new BorderLayout());
      officeAWTPanel.setVisible(true);
      officeAWTFrame.add(officeAWTPanel, BorderLayout.CENTER);
      if(!officeApplication.isActive()) {
      	IStatus status = startOfficeApplication(officeApplication);
      	if(status.getSeverity() == IStatus.ERROR)
      		throw new CoreException(status);
      }
      
      if(isDisposed())
      	throw new CoreException(new Status(IStatus.ERROR, NOAUIPlugin.PLUGIN_ID, 
      			IStatus.ERROR, "Widget disposed", null)); //$NON-NLS-1$
      IFrame newOfficeFrame = officeApplication.getDesktopService().constructNewOfficeFrame(officeAWTPanel);
      newOfficeFrame.disableDispatch(GlobalCommands.CLOSE_DOCUMENT);
      newOfficeFrame.disableDispatch(GlobalCommands.QUIT_APPLICATION);     
      if(oldOfficeAWTFrame != null)
      	oldOfficeAWTFrame.dispose();
      if(oldOfficeComposite != null) 
      	oldOfficeComposite.dispose();

//      stackLayout.topControl = officeComposite;
//      baseComposite.layout();
      return newOfficeFrame;
    }
    catch(Throwable throwable) {
    	throw new CoreException(new Status(IStatus.ERROR, NOAUIPlugin.PLUGIN_ID, 
    			IStatus.ERROR, throwable.getMessage(), throwable));
    } 
	}