Bug 313297 XML data set fail in chart data preview
chart/org.eclipse.birt.chart.ui/src/org/eclipse/birt/chart/ui/swt/CustomPreviewTable.java
/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.events.ControlListener#controlMoved(org.eclipse.swt.events.ControlEvent)
	 */
	public void controlMoved( ControlEvent e )
	{
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.events.ControlListener#controlResized(org.eclipse.swt.events.ControlEvent)
	 */
	public void controlResized( ControlEvent e )
	{
		cnvCells.updateScrollbars( );
		layout( true );
		cnvCells.redraw( );
	}
	public void widgetDisposed( DisposeEvent e )
	{
		
		getShell( ).removeControlListener( this );
	}
	
	public void keyPressed( KeyEvent event )
	{
		if ( ( event.stateMask == SWT.CTRL )
				&& ( event.keyCode == SWT.ARROW_LEFT || event.keyCode == SWT.ARROW_RIGHT ) )
		{