Bug 119331 Library - name space terminology and behavior
During BIRT 2.0 library feature review meeting the following change was decided. - Change the term namespace to 'prefix' - By default use the library name as the prefix ( namespace ); the dialog to input prefix should be prompted only if hte auto generated prefix is not unique.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DNDUtil.java
commands.add( getNewCommand( commandType,
						i.next( ),
						targetGroup,
						-1 ) );
			}
		}
		return commands;
	}
	protected static Object transferSlotHandle( String commandType,
			Object handle )
	{
		Object cloneObj = cloneSource( handle );
		if ( TYPE_CUT.equals( commandType ) )
		{
			dropSource( handle );
		}
		return cloneObj;
	}
	/**
	 * Validates selection can be dragged, cut or copied
	 * 
	 * @param selection
	 *            selected object, support single or multiple selection
	 * @return if selection can be dragged, cut or copied
	 */
	public static boolean handleValidateDragInOutline( Object selection )
	{
		if ( selection instanceof StructuredSelection )
		{
			return handleValidateDragInOutline( ( (StructuredSelection) selection ).toArray( ) );