Bug 192347 [acceptance]Theme cannot be deleted[01]
Description: [acceptance]Theme cannot be deleted Build number:2.2.0.v20070613 Steps to reproduce: 1. New a library. 2. New a theme and delete it. Expected result: Theme can be deleted Actual result: Delete key doesn't work and no delete item in context menu. Error log:n/a
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DNDUtil.java
{
			try
			{
				return ( (IDesignElement) source ).clone( );
			}
			catch ( CloneNotSupportedException e )
			{
				e.printStackTrace( );
			}
		}
		if ( source instanceof SlotHandle )
		{
			SlotHandle slot = (SlotHandle) source;
			Object[] array = new Object[slot.getCount( )];
			for ( int i = 0; i < array.length; i++ )
			{
				array[i] = slot.get( i );
			}
			return cloneSource( array );
		}
		if ( source instanceof StructureHandle )
		{
			return ( (StructureHandle) source ).getStructure( ).copy( );
		}
		return null;
	}
	/**
	 * Drops source data
	 * 
	 * @param source