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The source code// $Id: ToDoItemAction.java,v 1.1 2004/09/28 19:45:05 mvw Exp $ // Copyright (c) 2004 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.ui.cmd; import org.argouml.cognitive.ToDoItem; import org.argouml.uml.ui.UMLAction; abstract class ToDoItemAction extends UMLAction { private Object rememberedTarget = null; public ToDoItemAction(String name) { super(name, false, HAS_ICON); } public ToDoItemAction(String name, boolean hasIcon) { super(name, false, hasIcon); } /** * @return Returns the rememberedTarget. */ protected Object getRememberedTarget() { return rememberedTarget; } /** * @see org.argouml.uml.ui.UMLAction#updateEnabled(java.lang.Object) */ public void updateEnabled(Object target) { if (target == null) { setEnabled(false); return; } rememberedTarget = target; setEnabled(shouldBeEnabled(target)); } public boolean shouldBeEnabled(Object target) { return target instanceof ToDoItem; } } |
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