/* $Id: ActionAddClientDependencyAction.java 17897 2010-01-12 21:36:40Z 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) 2007 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.ui.foundation.core;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.HashSet;

 import java.util.List;

 import java.util.Set;

 import org.argouml.i18n.Translator;

 import org.argouml.kernel.ProjectManager;

 import org.argouml.model.Model;

 import org.argouml.uml.ui.AbstractActionAddModelElement2;

 /**

  * An Action to add client dependencies to some modelelement.

  *

  * @author Michiel

  */

 public class ActionAddClientDependencyAction extends

         AbstractActionAddModelElement2 {

     /**

      * The constructor.

      */

     public ActionAddClientDependencyAction() {

         super();

         setMultiSelect(true);

     }

     /*

      * Constraint: This code only deals with 1 supplier per dependency!

      * TODO: How to support more?

      * 

      * @see org.argouml.uml.ui.AbstractActionAddModelElement#doIt(java.util.List)

      */

     protected void doIt(Collection selected) {

         Set oldSet = new HashSet(getSelected());

         for (Object client : selected) {

             if (oldSet.contains(client)) {

                 oldSet.remove(client); //to be able to remove dependencies later

             } else {

                 Model.getCoreFactory().buildDependency(getTarget(), client);

             }

         }

         Collection toBeDeleted = new ArrayList();

         Collection dependencies = Model.getFacade().getClientDependencies(

                 getTarget());

         for (Object dependency : dependencies) {

             if (oldSet.containsAll(Model.getFacade().getSuppliers(dependency))) {

                 toBeDeleted.add(dependency);

             }

         }

         ProjectManager.getManager().getCurrentProject()

             .moveToTrash(toBeDeleted);

     }

     /*

      * @see org.argouml.uml.ui.AbstractActionAddModelElement#getChoices()

      */

     protected List getChoices() {

         List ret = new ArrayList();

         Object model =

             ProjectManager.getManager().getCurrentProject().getModel();

         if (getTarget() != null) {

             ret.addAll(Model.getModelManagementHelper()

                     .getAllModelElementsOfKind(model, 

                             "org.omg.uml.foundation.core.ModelElement"));

             ret.remove(getTarget());

         }

         return ret;

     }

     /*

      * @see org.argouml.uml.ui.AbstractActionAddModelElement#getDialogTitle()

      */

     protected String getDialogTitle() {

         return Translator.localize("dialog.title.add-client-dependency");

     }

     /*

      * @see org.argouml.uml.ui.AbstractActionAddModelElement#getSelected()

      */

     protected List getSelected() {

         List v = new ArrayList();

         Collection c =  Model.getFacade().getClientDependencies(getTarget());

         for (Object cd : c) {

             v.addAll(Model.getFacade().getSuppliers(cd));

         }

         return v;

     }

 }