/* $Id: SelectionGeneralizableElement.java 17864 2010-01-12 20:11:26Z 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:

  *    mvw

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

  *

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

  */

 // Copyright (c) 2007-2008 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.static_structure.ui;

 import java.awt.event.MouseEvent;

 import javax.swing.Icon;

 import org.argouml.application.helpers.ResourceLoaderWrapper;

 import org.argouml.model.Model;

 import org.argouml.uml.diagram.deployment.DeploymentDiagramGraphModel;

 import org.argouml.uml.diagram.ui.SelectionNodeClarifiers2;

 import org.tigris.gef.base.Editor;

 import org.tigris.gef.base.Globals;

 import org.tigris.gef.graph.GraphModel;

 import org.tigris.gef.presentation.Fig;

 /**

  * Buttons for a selected GeneralizableElement.

  * 

  * @author Tom Morris

  */

 public abstract class SelectionGeneralizableElement extends

         SelectionNodeClarifiers2 {

     private static Icon inherit =

             ResourceLoaderWrapper.lookupIconResource("Generalization");

     private static Icon[] icons = 

     {inherit,

      inherit,

      null,

      null,

      null,

     };

     private static String[] instructions = 

     {"Add a supertype",

      "Add a subtype",

      null,

      null,

      null,

      "Move object(s)",

     };

     private boolean useComposite;

     /**

      * Construct a SelectionGeneralizableElement

      * 

      * @param f

      *            Fig for which to construct the selection object

      */

     public SelectionGeneralizableElement(Fig f) {

         super(f);

     }

     @Override

     protected Icon[] getIcons() {

         Editor ce = Globals.curEditor();

         GraphModel gm = ce.getGraphModel();

         // No generalizations in Deployment Diagrams

         if (gm instanceof DeploymentDiagramGraphModel) {

             return null;

         }

         if (Model.getModelManagementHelper().isReadOnly(

                 getContent().getOwner())) {

             return new Icon[] {null, inherit, null, null, null };

         }

         return icons;

     }

     @Override

     protected String getInstructions(int i) {

         return instructions[ i - BASE];

     }

     @Override

     protected Object getNewEdgeType(int i) {

         if (i == TOP || i == BOTTOM) {

             return Model.getMetaTypes().getGeneralization();

         }

         return null;

     }

     @Override

     protected boolean isReverseEdge(int i) {

         if (i == BOTTOM) {

             return true;

         }

         return false;

     }

     @Override

     protected boolean isEdgePostProcessRequested() {

         return useComposite;

     }

     @Override

     public void mouseEntered(MouseEvent me) {

         super.mouseEntered(me);

         useComposite = me.isShiftDown();

     }

 }