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
iDragStartXLocation = cnvCells.getDisplay( )
						.getCursorLocation( ).x;
				iResizingColumnIndex = ( (Integer) ( e.widget                                     ).getData( ) ).intValue( );
			}
		}
	}
	public void mouseUp( MouseEvent e )
	{
		if ( bDragging )
		{
			if ( iResizingColumnIndex != -1 )
			{
				bDragging = false;
				iDragStartXLocation = -1;
				iResizingColumnIndex = -1;
			}
		}
		if ( e.widget instanceof Button && e.button == 3 )
		{
			iColumnIndex = this.btnHeaders.indexOf( e.widget );
			( (Button) e.widget ).setFocus( );
			fireMenuEvent( e.widget, true );
		}
	}
	public void mouseMove( MouseEvent e )
	{
		if ( bDragging || e.widget instanceof Label )
		{
			this.setCursor( Display.getCurrent( )
					.getSystemCursor( SWT.CURSOR_SIZEWE ) );