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
return iColumnIndex == iIndex;
		}
		public void paintControl( PaintEvent pe )
		{
			if ( isFirstPaint )
			{
				isFirstPaint = false;
				updateScrollbars( );
			}
			GC gc = pe.gc;
			Color cSelectionBack = null;
			Color cSelectionFore = null;
			
			Color cDefaultBack = Display.getCurrent( )
					.getSystemColor( SWT.COLOR_LIST_BACKGROUND );
			
			Color cDefaultFore = Display.getCurrent( )
					.getSystemColor( SWT.COLOR_LIST_FOREGROUND );
			Color cText = Display.getCurrent( )
					.getSystemColor( SWT.COLOR_INFO_FOREGROUND );
			Color cGrid = Display.getCurrent( )
					.getSystemColor( SWT.COLOR_WIDGET_BACKGROUND );
			
			
			
			int iXStart = -1;
			int iXEnd = -1;
			for ( int iC = 0; iC < cells.length; iC++ )
			{
				final int columnWidthOffset = CustomPreviewTable.this.iHiddenWidth;