Bug 288223 Not able to select table column and row when the table has a chart view.[0004]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/handles/MultipleGuideHandle.java
* 
		 * @param indicatorLabel
		 */
		public void setIndicatorLabel( String indicatorLabel )
		{
			if ( indicatorLabel != null )
			{
				this.indicatorLabel = indicatorLabel;
			}
		}
		public void mouseEntered( MouseEvent me )
		{
			if ( showSource.getParent( ) == null && !isSelected( ) )
			{
				Rectangle rect = getBounds( ).getCopy( );
				showSource.setBounds( rect );
				getParent( ).add( showSource );
			}
			super.mouseEntered( me );
		}
		public void mouseExited( MouseEvent me )
		{
			if ( showSource.getParent( ) != null )
			{
				showSource.getParent( ).remove( showSource );
			}
			super.mouseExited( me );
		}
		/**
		 * Sets the left corner