DeleteOntologyObjects.java example

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openflexo-master
/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.foundation.ontology.owl.action;

import java.util.Vector;
import java.util.logging.Level;
import java.util.logging.Logger;

import org.openflexo.foundation.FlexoEditor;
import org.openflexo.foundation.FlexoModelObject;
import org.openflexo.foundation.action.FlexoActionType;
import org.openflexo.foundation.action.FlexoUndoableAction;
import org.openflexo.foundation.ontology.AbstractOntologyObject;
import org.openflexo.foundation.ontology.OntologyDataProperty;
import org.openflexo.foundation.ontology.OntologyObject;
import org.openflexo.foundation.ontology.owl.OWLClass;
import org.openflexo.foundation.ontology.owl.OWLIndividual;
import org.openflexo.foundation.ontology.owl.OWLObject;
import org.openflexo.foundation.ontology.owl.OWLObjectProperty;

public class DeleteOntologyObjects extends FlexoUndoableAction<DeleteOntologyObjects, OWLObject, OWLObject> {

	private static final Logger logger = Logger.getLogger(DeleteOntologyObjects.class.getPackage().getName());

	public static FlexoActionType<DeleteOntologyObjects, OWLObject, OWLObject> actionType = new FlexoActionType<DeleteOntologyObjects, OWLObject, OWLObject>(
			"delete", FlexoActionType.editGroup, FlexoActionType.DELETE_ACTION_TYPE) {

		/**
		 * Factory method
		 */
		@Override
		public DeleteOntologyObjects makeNewAction(OWLObject focusedObject, Vector<OWLObject> globalSelection, FlexoEditor editor) {
			return new DeleteOntologyObjects(focusedObject, globalSelection, editor);
		}

		@Override
		public boolean isVisibleForSelection(OWLObject object, Vector<OWLObject> globalSelection) {
			return true;
		}

		@Override
		public boolean isEnabledForSelection(OWLObject focusedObject, Vector<OWLObject> globalSelection) {
			Vector<OWLObject> objectsToDelete = objectsToDelete(focusedObject, globalSelection);
			if (objectsToDelete.size() == 0) {
				return false;
			}
			for (OntologyObject o : globalSelection) {
				if (o.getIsReadOnly()) {
					return false;
				}
			}
			return true;
		}

	};

	static {
		FlexoModelObject.addActionForClass(DeleteOntologyObjects.actionType, OWLObject.class);
	}

	protected static Vector<OWLObject> objectsToDelete(OWLObject focusedObject, Vector<OWLObject> globalSelection) {
		Vector<OWLObject> returned = new Vector<OWLObject>();
		if (globalSelection == null || !globalSelection.contains(focusedObject)) {
			returned.add(focusedObject);
		}
		if (globalSelection != null) {
			for (AbstractOntologyObject o : globalSelection) {
				if (o instanceof OWLClass || o instanceof OWLIndividual || o instanceof OWLObjectProperty
						|| o instanceof OntologyDataProperty) {
					returned.add((OWLObject) o);
				}
			}
		}
		return returned;
	}

	protected DeleteOntologyObjects(OWLObject focusedObject, Vector<OWLObject> globalSelection, FlexoEditor editor) {
		super(actionType, focusedObject, globalSelection, editor);
		logger.info("Created DeleteOntologyObjects action focusedObject=" + focusedObject + "globalSelection=" + globalSelection);
	}

	@Override
	protected void doAction(Object context) {
		if (logger.isLoggable(Level.INFO)) {
			logger.info("DeleteOntologyObjects");
		}
		if (logger.isLoggable(Level.INFO)) {
			logger.info("selection is: " + getGlobalSelection());
		}
		if (logger.isLoggable(Level.INFO)) {
			logger.info("selection to delete is: " + getObjectsToDelete());
		}
		for (OWLObject o : getObjectsToDelete()) {
			o.delete();
		}
	}

	@Override
	protected void undoAction(Object context) {
		logger.warning("UNDO DELETE not implemented yet !");
	}

	@Override
	protected void redoAction(Object context) {
		logger.warning("REDO DELETE not implemented yet !");
	}

	private Vector<OWLObject> _objectsToDelete;

	/**
	 * This method returns all the objects on which the delete method needs to be called. This should not be done by some other code than
	 * the one located in the doAction method. This method can be used in either initialiazer or finalizer of the action.
	 * 
	 * @return All the objects to be deleted.
	 */
	public Vector<OWLObject> getObjectsToDelete() {
		if (_objectsToDelete == null) {
			_objectsToDelete = objectsToDelete(getFocusedObject(), getGlobalSelection());
		}
		return _objectsToDelete;
	}

}