Bug 195336 [2.1.3]Insert the list group above and the display name has no changed[0004]
Description: Insert the list group above and the display name has no changed[0004] Step: 1.New a list 2.Insert a group on above 3.Insert another group on above again. Actual result: The display name of two group header and footer are the same as GH1 and GF1 Exception result: The display name of second group header and footer is GH2 and GF2
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/ListBandEditPart.java
{
		return ( (ListBandProxy) getModel( ) ).getChildren( );
	}
	/*
	 * Gets the list band tracker, the tracker do nothing
	 * 
	 * @see org.eclipse.birt.report.designer.internal.ui.editors.schematic.editparts.ReportElementEditPart#getDragTracker(org.eclipse.gef.Request)
	 */
	public DragTracker getDragTracker( Request req )
	{
		return new DragEditPartsTracker( this ) {
			protected boolean handleDragInProgress( )
			{
				return true;
			}
		};
	}
	/**
	 * Sets the render figure visible
	 * 
	 * @param bool
	 */
	public void setRenderVisile( boolean bool )
	{
		ListBandFigure figure = (ListBandFigure) getFigure( );
		figure.setShowing( bool );
		if ( bool )
		{
			markDirty( bool );
		}