/* $Id: CrSeqInstanceWithoutClassifier.java 17849 2010-01-12 19:50:34Z linus $

  *****************************************************************************

  * Copyright (c) 2009 Contributors - see below

  * All rights reserved. This program and the accompanying materials

  * are made available under the terms of the Eclipse Public License v1.0

  * which accompanies this distribution, and is available at

  * http://www.eclipse.org/legal/epl-v10.html

  *

  * Contributors:

  *    tfmorris

  *****************************************************************************

  *

  * Some portions of this file was previously release using the BSD License:

  */

 // Copyright (c) 1996-2009 The Regents of the University of California. All

 // Rights Reserved. Permission to use, copy, modify, and distribute this

 // software and its documentation without fee, and without a written

 // agreement is hereby granted, provided that the above copyright notice

 // and this paragraph appear in all copies.  This software program and

 // documentation are copyrighted by The Regents of the University of

 // California. The software program and documentation are supplied "AS

 // IS", without any accompanying services from The Regents. The Regents

 // does not warrant that the operation of the program will be

 // uninterrupted or error-free. The end-user understands that the program

 // was developed for research purposes and is advised not to rely

 // exclusively on the program for any reason.  IN NO EVENT SHALL THE

 // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,

 // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,

 // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF

 // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF

 // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY

 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

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 // UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

 package org.argouml.uml.cognitive.critics;

 import java.util.Collection;

 import org.argouml.cognitive.Designer;

 import org.argouml.cognitive.ListSet;

 import org.argouml.cognitive.ToDoItem;

 import org.argouml.model.Model;

 import org.argouml.uml.cognitive.UMLDecision;

 import org.argouml.uml.cognitive.UMLToDoItem;

 import org.argouml.uml.diagram.ArgoDiagram;

 import org.argouml.uml.diagram.SequenceDiagram;

 import org.argouml.uml.diagram.ui.FigNodeModelElement;

 /**

  * A critic to detect when an object in a deployment-diagram

  * is not inside a component or a component-instance.

  *

  * @author 5eichler

  */

 public class CrSeqInstanceWithoutClassifier extends CrUML {

     /**

      * The constructor.

      */

     public CrSeqInstanceWithoutClassifier() {

         setupHeadAndDesc();

         addSupportedDecision(UMLDecision.PATTERNS);

     }

     /*

      * @see org.argouml.uml.cognitive.critics.CrUML#predicate2(

      *      java.lang.Object, org.argouml.cognitive.Designer)

      */

     @Override

     public boolean predicate2(Object dm, Designer dsgr) {

         if (!(dm instanceof SequenceDiagram)) {

             return NO_PROBLEM;

         }

         ListSet offs = computeOffenders((SequenceDiagram) dm);

         if (offs == null) {

             return NO_PROBLEM;

         }

         return PROBLEM_FOUND;

     }

     /*

      * @see org.argouml.cognitive.critics.Critic#toDoItem( java.lang.Object,

      *      org.argouml.cognitive.Designer)

      */

     @Override

     public ToDoItem toDoItem(Object dm, Designer dsgr) {

         SequenceDiagram sd = (SequenceDiagram) dm;

         ListSet offs = computeOffenders(sd);

         return new UMLToDoItem(this, offs, dsgr);

     }

     /*

      * @see org.argouml.cognitive.Poster#stillValid(

      *      org.argouml.cognitive.ToDoItem, org.argouml.cognitive.Designer)

      */

     @Override

     public boolean stillValid(ToDoItem i, Designer dsgr) {

         if (!isActive()) {

             return false;

         }

         ListSet offs = i.getOffenders();

         SequenceDiagram sd = (SequenceDiagram) offs.get(0);

         //if (!predicate(dm, dsgr)) return false;

         ListSet newOffs = computeOffenders(sd);

         boolean res = offs.equals(newOffs);

         return res;

     }

     /**

      * If there are instances that have no classifiers they belong to

      * the returned vector-set is not null. Then in the vector-set

      * are the UMLSequenceDiagram and all FigObjects, FigComponentInstances

      * and FigMNodeInstances with no classifier.

      *

      * @param sd the diagram to check

      * @return the set of offenders

      */

     public ListSet computeOffenders(ArgoDiagram sd) {

         Collection figs = sd.getLayer().getContents();

         ListSet offs = null;

         for (Object obj : figs) {

             if (!(obj instanceof FigNodeModelElement)) {

                 continue;

             }

             FigNodeModelElement fn = (FigNodeModelElement) obj;

             if (fn != null && (Model.getFacade().isAInstance(fn.getOwner()))) {

                 Object minst = fn.getOwner();

                 if (minst != null) {

                     Collection col = Model.getFacade().getClassifiers(minst);

                     if (col.size() > 0) {

                         continue;

                     }

                 }

                 if (offs == null) {

                     offs = new ListSet();

                     offs.add(sd);

                 }

                 offs.add(fn);

             }

         }

         return offs;

     }

 }