Bug 122173 Can't drag and drop a data set column to report design layout editor
With 20051227's build, I can't bind a data set column to a table cell by drag & drop it from data explorer. This is a show stopper that we need to have it fixed.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DNDUtil.java
DesignElementHandle container = child.getContainer( );
					while ( container != null )
					{
						if ( container.equals( handles[i] ) )
						{
							return true;
						}
						container = container.getContainer( );
					}
				}
				else if ( handles[i] instanceof SlotHandle )
				{
					
					if ( child.getContainerSlotHandle( ) == handles[i] )
					{
						return true;
					}
				}
			}
		}
		return false;
	}
	/**
	 * Gets the position after the sibling in the container
	 * 
	 * @param targetObj
	 *            container or sibling
	 * @param canContain
	 *            <code>CONTAIN_PARENT</code> as sibling, others as container
	 * @return the position: after the sibling in the same container, or -1 as