Back to index

wims  3.65+svn20090927
SelectionManager.java
Go to the documentation of this file.
00001 /*
00002 $Id: SelectionManager.java,v 1.3 2003/02/18 11:48:47 sander Exp $
00003 */
00004 
00005 
00006 /*
00007 Copyright (C) 2001-2002 Mainline Project (I3S - ESSI - CNRS -UNSA)
00008 
00009 This library is free software; you can redistribute it and/or
00010 modify it under the terms of the GNU Lesser General Public
00011 License as published by the Free Software Foundation; either
00012 version 2.1 of the License, or (at your option) any later version.
00013 
00014 This library is distributed in the hope that it will be useful,
00015 but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public
00020 License along with this library; if not, write to the Free Software
00021 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 
00023 For further information on the GNU Lesser General Public License,
00024 see: http://www.gnu.org/copyleft/lesser.html
00025 For further information on this library, contact: mainline@essi.fr
00026 */
00027 
00028 
00029 package fr.ove.openmath.jome.ctrlview.bidim.selection;
00030 
00031 import java.util.Vector;
00032 import java.util.Enumeration;
00033 import fr.ove.openmath.jome.ctrlview.bidim.Display;
00034 import fr.ove.openmath.jome.ctrlview.bidim.selection.events.SelectionEvent;
00035 import fr.ove.openmath.jome.ctrlview.bidim.selection.events.SelectionEventListener;
00036 
00037 
00044 public class SelectionManager implements SelectionEventListener {
00048     private Vector selected;
00049 
00053     public SelectionManager() {
00054         selected = new Vector();
00055     }
00056 
00061     public void consumeSelectionEvent(SelectionEvent selectionEvent) {
00062         switch (selectionEvent.getAction()) {
00063             case SelectionEvent.PURGE :
00064                 selected.setSize(0);
00065                 selected.trimToSize();
00066                 break;
00067             case SelectionEvent.REMOVE :
00068                 selected.removeElement(selectionEvent.getArgument());
00069                 break;
00070             case SelectionEvent.ADD :
00071                 selected.addElement(selectionEvent.getArgument());
00072                 break;
00073             case SelectionEvent.GET_SELECTION_SIZE :
00074                 selectionEvent.setArgument(new Integer(selected.size()));
00075                 break;
00076             case SelectionEvent.GET_SELECTION :
00077                 selectionEvent.setArgument(selected.clone());
00078                 break;
00079             case SelectionEvent.LIST :
00080             // For debugg only !!!
00081                 System.out.println(" I've got "+ selected.size() + " selected elements");
00082                 for (Enumeration e = selected.elements(); e.hasMoreElements(); )
00083                     ((Display) e.nextElement()).whoAmI();
00084                 break;
00085         }
00086     }
00087 }