/**
 * Informs all registered text listeners about the change specified by the
 * widget command. This method does not use a robust iterator.
 *
 * @param cmd
 *          the widget command translated into a text event sent to all text listeners
 */
@Override
protected void updateTextListeners(final WidgetCommand cmd) {
  List<ITextListener> textListeners = fTextListeners;
  if (textListeners != null) {
    textListeners = new ArrayList<ITextListener>(textListeners);
    DocumentEvent event = cmd.event;
    if (event instanceof SlaveDocumentEvent) {
      event = ((SlaveDocumentEvent) event).getMasterEvent();
    }
    TextEvent e = new TextEvent(cmd.start, cmd.length, cmd.text, cmd.preservedText, event, redraws()) {};
    for (int i = 0; i < textListeners.size(); i++) {
      ITextListener l = textListeners.get(i);
      l.textChanged(e);
    }
  }
}
 

private void configureSourceViewer(SourceViewer viewer) {
	viewer.setEditable(false);

	viewer.addTextListener(new ITextListener() {
		@Override
		public void textChanged(TextEvent event) {
			updateHighlighting();
			sourceViewer.getTextWidget().setFont(editorFont);
		}
	});

}
 

protected void createTextViewer() {
	viewer = createViewer(mc);
	viewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
	configureTextViewer();
	addLineStyleListener();
	helpDecoration = new ControlDecoration(viewer.getControl(), SWT.TOP | SWT.RIGHT, this);
	helpDecoration.setImage(JFaceResources.getImage(Dialog.DLG_IMG_HELP));
	helpDecoration.setDescriptionText(Messages.patternViewerHint);
	helpDecoration.setMarginWidth(2);
	helpDecoration.hide();

	hintDecoration = new ControlDecoration(viewer.getControl(), SWT.TOP | SWT.LEFT, this);
	hintDecoration.setImage(Pics.getImage(PicsConstants.hint));
	hintDecoration.setMarginWidth(2);
	hintDecoration.setShowHover(true);
	hintDecoration.setShowOnlyOnFocus(true);
	hintDecoration.hide();

	viewer.addTextListener(new ITextListener() {

		@Override
		public void textChanged(final TextEvent event) {
			viewer.getTextWidget().notifyListeners(SWT.Modify, new Event());
		}
	});

	helpDecoration.show();
}
 

@Override
public void addTextListener(ITextListener listener) {
	throw new UnsupportedOperationException();
}
 

@Override
public void removeTextListener(ITextListener listener) {
	throw new UnsupportedOperationException();
}
 

@Override
public void addTextListener(ITextListener listener) {
	throw new UnsupportedOperationException();
}
 

@Override
public void removeTextListener(ITextListener listener) {
	throw new UnsupportedOperationException();
}
 

@Override
public void addTextListener(ITextListener listener) {
	throw new UnsupportedOperationException();
}
 

@Override
public void removeTextListener(ITextListener listener) {
	throw new UnsupportedOperationException();
}
 

@Override
public void addTextListener(ITextListener listener) {
	throw new UnsupportedOperationException();
}
 

@Override
public void removeTextListener(ITextListener listener) {
	throw new UnsupportedOperationException();
}
 

public void addTextListener(ITextListener listener) {
  originalTextViewer.addTextListener(listener);
}
 

public void removeTextListener(ITextListener listener) {
  originalTextViewer.removeTextListener(listener);
}
 

public void createPartControl( Composite parent )
{
	reportXMLEditor.createPartControl( parent );
	Control[] children = parent.getChildren( );
	control = children[children.length - 1];

	ModuleHandle model = getModel( );

	// suport the mediator
	SessionHandleAdapter.getInstance( )
			.getMediator( model )
			.addColleague( this );

	// Add Command Stack Listener
	if ( model != null && model.getCommandStack( ) != null )
	{
		getCommandStack( model ).addCommandStackListener( getCommandStackListener( ) );
		hookModelEventManager( model );
	}

	reportXMLEditor.getTextViewer( ).addTextListener( new ITextListener( ) {

		public void textChanged( TextEvent event )
		{
			if ( !isTextModified( ) && event.getOffset( ) != 0 )
			{
				markDirty( );
			}
		}
	} );

	reportXMLEditor.getTextViewer( )
			.getTextWidget( )
			.addModifyListener( new ModifyListener( ) {

				public void modifyText( ModifyEvent e )
				{
					markDirty( );
				}
			} );
}
 

@Override
public void addTextListener(ITextListener listener) {
    viewer.addTextListener(listener);
}
 

@Override
public void removeTextListener(ITextListener listener) {
    viewer.removeTextListener(listener);
}