/* $Id: ActionEdgesDisplay.java 17865 2010-01-12 20:45:26Z 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:

  *    bobtarling

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

  *

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

  */

 // Copyright (c) 1996-2008 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

 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE

 // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF

 // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,

 // UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

 package org.argouml.uml.diagram.ui;

 import java.awt.event.ActionEvent;

 import java.util.Enumeration;

 import java.util.Iterator;

 import java.util.List;

 import javax.swing.Action;

 import org.argouml.i18n.Translator;

 import org.argouml.model.Model;

 import org.argouml.uml.diagram.ArgoDiagram;

 import org.argouml.uml.diagram.DiagramUtils;

 import org.tigris.gef.base.Editor;

 import org.tigris.gef.base.Globals;

 import org.tigris.gef.base.Selection;

 import org.tigris.gef.graph.MutableGraphModel;

 import org.tigris.gef.presentation.Fig;

 import org.argouml.ui.UndoableAction;

 /**

  * An action that makes all edges on the selected node visible/not visible

  * on the diagram.

  *

  * @author David Manura

  * @since 0.13.5

  */

 public class ActionEdgesDisplay extends UndoableAction {

     // compartments

     private static UndoableAction showEdges = new ActionEdgesDisplay(true,

                 Translator.localize("menu.popup.add.all-relations"));

     private static UndoableAction hideEdges = new ActionEdgesDisplay(false,

                 Translator.localize("menu.popup.remove.all-relations"));

     private boolean show;

     /**

      * The constructor.

      *

      * @param showEdge to show or not to show

      * @param desc the name

      */

     protected ActionEdgesDisplay(boolean showEdge, String desc) {

         super(desc, null);

                 // Set the tooltip string:

         putValue(Action.SHORT_DESCRIPTION, desc);

         show = showEdge;

     }

     /*

      * TODO: Support commentEdges.

      * TODO: Support associations to self.

      *

      * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)

      */

     @Override

     public void actionPerformed(ActionEvent ae) {

             super.actionPerformed(ae);

         ArgoDiagram d = DiagramUtils.getActiveDiagram();

         Editor ce = Globals.curEditor();

         MutableGraphModel mgm = (MutableGraphModel) ce.getGraphModel();

         Enumeration e = ce.getSelectionManager().selections().elements();

         while (e.hasMoreElements()) {

             Selection sel = (Selection) e.nextElement();

             Object owner = sel.getContent().getOwner();

             if (show) { // add

                 mgm.addNodeRelatedEdges(owner);

 //                Collection c = Model.getFacade().getComments(owner);

 //                Iterator i = c.iterator();

 //                while (i.hasNext()) {

 //                    Object annotatedElement = i.next();

 //                    Fig f = d.presentationFor(annotatedElement);

 //                    // and now what? How do I add it to the diagram?

 //                }

             } else { // remove

                 List edges = mgm.getInEdges(owner);

                 edges.addAll(mgm.getOutEdges(owner));

                 Iterator e2 = edges.iterator();

                 while (e2.hasNext()) {

                     Object edge = e2.next();

                     if (Model.getFacade().isAAssociationEnd(edge)) {

                         edge = Model.getFacade().getAssociation(edge);

                     }

                     Fig fig = d.presentationFor(edge);

                     if (fig != null) {

                         fig.removeFromDiagram();

                     }

                 }

                 //The next does not yet work for comment edges:

 //                Collection c = Model.getFacade().getComments(owner);

 //                Iterator i = c.iterator();

 //                while (i.hasNext()) {

 //                    Object annotatedElement = i.next();

 //                    Fig f = d.presentationFor(annotatedElement);

 //                    if (f != null) f.removeFromDiagram();

 //                }

             }

         }

     }

     /**

      * @return true if the action is enabled

      * @see org.tigris.gef.undo.UndoableAction#isEnabled()

      */

     @Override

     public boolean isEnabled() {

         return true;

     }

     /**

      * @return Returns the showEdges.

      */

     public static UndoableAction getShowEdges() {

         return showEdges;

     }

     /**

      * @return Returns the hideEdges.

      */

     public static UndoableAction getHideEdges() {

         return hideEdges;

     }

 }