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The source code// $Id: GoListToGoalsToItems.java,v 1.11 2004/10/03 07:07:29 mvw Exp $ // Copyright (c) 1996-99 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.cognitive.ui; import java.util.Enumeration; import java.util.Vector; import javax.swing.event.TreeModelListener; import javax.swing.tree.TreeModel; import javax.swing.tree.TreePath; import org.argouml.cognitive.Designer; import org.argouml.cognitive.Goal; import org.argouml.cognitive.ToDoItem; import org.argouml.cognitive.ToDoList; /** * Rule for sorting the ToDo list: Goal -> Item. * */ public class GoListToGoalsToItems implements TreeModel { //////////////////////////////////////////////////////////////// // TreeModel implementation /** * @see javax.swing.tree.TreeModel#getRoot() */ public Object getRoot() { throw new UnsupportedOperationException(); } /** * @param r ignored */ public void setRoot(Object r) { } /** * @see javax.swing.tree.TreeModel#getChild(java.lang.Object, int) */ public Object getChild(Object parent, int index) { if (parent instanceof ToDoList) { return getGoals().elementAt(index); } if (parent instanceof Goal) { Goal g = (Goal) parent; Enumeration itemEnum = Designer.theDesigner().getToDoList().elements(); while (itemEnum.hasMoreElements()) { ToDoItem item = (ToDoItem) itemEnum.nextElement(); if (item.getPoster().supports(g)) { if (index == 0) return item; index--; } } } throw new IndexOutOfBoundsException("getChild shouldnt get here " + "GoListToGoalsToItems"); } /** * @see javax.swing.tree.TreeModel#getChildCount(java.lang.Object) */ public int getChildCount(Object parent) { if (parent instanceof ToDoList) { return getGoals().size(); } if (parent instanceof Goal) { Goal g = (Goal) parent; Enumeration itemEnum = Designer.theDesigner().getToDoList().elements(); int count = 0; while (itemEnum.hasMoreElements()) { ToDoItem item = (ToDoItem) itemEnum.nextElement(); if (item.getPoster().supports(g)) count++; } return count; } return 0; } /** * @see javax.swing.tree.TreeModel#getIndexOfChild( * java.lang.Object, java.lang.Object) */ public int getIndexOfChild(Object parent, Object child) { if (parent instanceof ToDoList) { return getGoals().indexOf(child); } if (parent instanceof Goal) { // instead of makning a new vector, decrement index, return when // found and index == 0 Vector candidates = new Vector(); Goal g = (Goal) parent; Enumeration itemEnum = Designer.theDesigner().getToDoList().elements(); while (itemEnum.hasMoreElements()) { ToDoItem item = (ToDoItem) itemEnum.nextElement(); if (item.getPoster().supports(g)) candidates.addElement(item); } return candidates.indexOf(child); } return -1; } /** * @see javax.swing.tree.TreeModel#isLeaf(java.lang.Object) */ public boolean isLeaf(Object node) { if (node instanceof ToDoList) return false; if (node instanceof Goal && getChildCount(node) > 0) return false; return true; } /** * @see javax.swing.tree.TreeModel#valueForPathChanged( * javax.swing.tree.TreePath, java.lang.Object) */ public void valueForPathChanged(TreePath path, Object newValue) { } /** * @see javax.swing.tree.TreeModel#addTreeModelListener(javax.swing.event.TreeModelListener) */ public void addTreeModelListener(TreeModelListener l) { } /** * @see javax.swing.tree.TreeModel#removeTreeModelListener(javax.swing.event.TreeModelListener) */ public void removeTreeModelListener(TreeModelListener l) { } //////////////////////////////////////////////////////////////// // utility methods /** * @return the goals */ public Vector getGoals() { return Designer.theDesigner().getGoalModel().getGoals(); } } /* end class GoListToGoalsToItems */ |
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