for ( Iterator iter = ( (ParameterGroupHandle) handle ).getParameters( ) .iterator( ); iter.hasNext( ); ) { Object obj = iter.next( ); if ( obj instanceof ParameterHandle ) { ParameterHandle parameter = (ParameterHandle) obj; ConfigVariable cv = parameter.getModuleHandle( ) .findConfigVariable( parameter.getName( ) ); try { if ( cv != null ) { parameter.getModuleHandle( ) .getPropertyHandle( ReportDesignHandle.CONFIG_VARS_PROP ) .removeItem( cv ); } } catch ( SemanticException e ) { ExceptionHandler.handle( e ); } } }
	protected boolean isOKPressed( Object model )	{		if ( model instanceof IStructuredSelection )		{			for ( Iterator itor = ( (IStructuredSelection) model ).iterator( ); itor.hasNext( ); )			{				Object obj = itor.next( );				if ( !isOKPressed( obj ) )				{					return false;				}			}			return true;		}		else if ( model instanceof DesignElementHandle )		{			DesignElementHandle handle = (DesignElementHandle) model;			if ( handle instanceof ParameterGroupHandle )			{				if ( ( (ParameterGroupHandle) handle ).getParameters( )						.getCount( ) > 0 )				{					if ( !MessageDialog.openQuestion( PlatformUI.getWorkbench( )							.getDisplay( )							.getActiveShell( ),							CONFIRM_PARAM_DELETE_TITLE,							CONFIRM_PARAM_DELETE_MESSAGE ) )					{						return false;					}				}			}			ArrayList referenceList = new ArrayList( );			for ( Iterator itor = handle.clientsIterator( ); itor.hasNext( ); )			{				referenceList.add( itor.next( ) );			}			if ( !referenceList.isEmpty( ) )			{				DeleteWarningDialog dialog = new DeleteWarningDialog( PlatformUI.getWorkbench( )						.getDisplay( )						.getActiveShell( ),						DLG_REFERENCE_FOUND_TITLE,						referenceList );				dialog.setPreString( DEUtil.getDisplayLabel( handle )						+ DLG_HAS_FOLLOWING_CLIENTS_MSG );				dialog.setSufString( DLG_CONFIRM_MSG );				return dialog.open( ) != Dialog.CANCEL;			}			return true;		}		return true;	}