Bug 181570 Cube should be able to copy, paste and cut [1101]
Description: Cube should be able to copy, paste and cut. Build number: 2.2.0.v20070409-0630 Steps to reproduce: 1. New a Cube. 2. Select Cube, Copy, Pase, Cut should be able use. Expected result: Copy, paste and cut can be used. Actual result: Cube can not be copy paste or cut. Error log: N/A
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DNDUtil.java
targetObj = unwrapToModel( targetObj );
		if ( targetObj instanceof DesignElementHandle )
		{
			return handleValidateTargetCanContainElementHandle( (DesignElementHandle) targetObj,
					childHandle,
					validateContainer );
		}
		if ( targetObj instanceof SlotHandle )
		{
			SlotHandle targetHandle = (SlotHandle) targetObj;
			
			
			
			
			
			if ( !childHandle.getElement( ).getDefn( ).canExtend( ) )
			{
				return CONTAIN_NO;
			}
			return targetHandle.getElementHandle( )
					.canContain( targetHandle.getSlotID( ), childHandle ) ? CONTAIN_THIS
					: CONTAIN_NO;
		}
		return CONTAIN_NO;
	}
	protected static int handleValidateTargetCanContainByContainer(
			Object targetObj, Object[] childHandles, boolean validateContainer )
	{
		if ( childHandles.length == 0 )
		{