Bug 124501 need uninstall of jst.utility facet
The jst.utility facet needs an uninstall delegate. Without it, it is not possible to deselect this facet and select/install the Dynamic Web Module facet on an existing project.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/core/model/schematic/TableHandleAdapter.java
protected static String getOperationName( int id )
	{
		switch ( id )
		{
			case HEADER :
				return NAME_HEADRER;
			case FOOTER :
				return NAME_FOOTER;
			case DETAIL :
				return NAME_DETAIL;
			default :
				return NAME_NULL; 
		}
	}
	/**
	 * Check if the slot handle contains specified id.
	 * 
	 * @param id
	 * @return
	 */
	public boolean hasSlotHandleRow( int id )
	{
		Iterator itor = getTableHandle( ).getSlot( id ).iterator( );
		while ( itor.hasNext( ) )
		{
			return true;
		}
		return false;
	}
}