CreatePetriGraph.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.wkf.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.wkf.ActionPetriGraph;
import org.openflexo.foundation.wkf.ActivityPetriGraph;
import org.openflexo.foundation.wkf.FlexoPetriGraph;
import org.openflexo.foundation.wkf.OperationPetriGraph;
import org.openflexo.foundation.wkf.WKFObject;
import org.openflexo.foundation.wkf.node.AbstractActivityNode;
import org.openflexo.foundation.wkf.node.FatherNode;
import org.openflexo.foundation.wkf.node.OperationNode;
import org.openflexo.foundation.wkf.node.SelfExecutableActivityNode;
import org.openflexo.foundation.wkf.node.SelfExecutableNode;
import org.openflexo.foundation.wkf.node.SelfExecutableOperationNode;

public class CreatePetriGraph extends FlexoUndoableAction<CreatePetriGraph, FatherNode, WKFObject> {

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

	public static FlexoActionType<CreatePetriGraph, FatherNode, WKFObject> actionType = new FlexoActionType<CreatePetriGraph, FatherNode, WKFObject>(
			"create_petri_graph", FlexoActionType.defaultGroup) {

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

		@Override
		public boolean isVisibleForSelection(FatherNode object, Vector<WKFObject> globalSelection) {
			return false; // Action is never visible but always active.
		}

		@Override
		public boolean isEnabledForSelection(FatherNode object, Vector<WKFObject> globalSelection) {
			return object.getContainedPetriGraph() == null;
		}

	};

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

	CreatePetriGraph(FatherNode focusedObject, Vector<WKFObject> globalSelection, FlexoEditor editor) {
		super(actionType, focusedObject, globalSelection, editor);
	}

	@Override
	protected void doAction(Object context) {
		FatherNode node = getFocusedObject();
		if (node instanceof SelfExecutableNode) {
			if (logger.isLoggable(Level.WARNING)) {
				logger.warning("This call should be changed and CreateExcecutionPetriGraph action should be used instead.");
			}
			if (((SelfExecutableNode) node).getExecutionPetriGraph() == null) {
				if (node instanceof SelfExecutableActivityNode) {
					newPetriGraph = ActivityPetriGraph.createNewActivityPetriGraph((SelfExecutableActivityNode) node);
				} else if (node instanceof SelfExecutableOperationNode) {
					newPetriGraph = OperationPetriGraph.createNewOperationPetriGraph((SelfExecutableOperationNode) node);
				}
			}
		} else {
			if (node.getContainedPetriGraph() == null) {
				logger.info("CreatePetriGraph");
				if (node instanceof AbstractActivityNode && ((AbstractActivityNode) node).mightHaveOperationPetriGraph()) {
					newPetriGraph = new OperationPetriGraph((AbstractActivityNode) node);
					((AbstractActivityNode) node).setOperationPetriGraph((OperationPetriGraph) newPetriGraph);
				} else if (node instanceof OperationNode) {
					newPetriGraph = new ActionPetriGraph((OperationNode) node);
					((OperationNode) node).setActionPetriGraph((ActionPetriGraph) newPetriGraph);
				}
			}
		}
		if (newPetriGraph != null) {
			objectCreated("NEW_PETRI_GRAPH", newPetriGraph);
			objectCreated("NEW_BEGIN_NODE", newPetriGraph.getAllBeginNodes().firstElement());
			objectCreated("NEW_END_NODE", newPetriGraph.getAllEndNodes().firstElement());
		}
	}

	@Override
	protected void undoAction(Object context) {
		logger.info("CreatePetriGraph: UNDO");
		newPetriGraph.delete();
	}

	@Override
	protected void redoAction(Object context) {
		logger.info("CreatePetriGraph: REDO");
		doAction(context);
	}

	private FlexoPetriGraph newPetriGraph = null;

	public FlexoPetriGraph getNewPetriGraph() {
		return newPetriGraph;
	}

}