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The source code// $Id: ToDoPerspective.java,v 1.9 2004/09/01 16:18:39 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.io.Serializable; import java.util.Vector; import org.apache.log4j.Logger; import org.argouml.cognitive.ToDoItem; import org.argouml.ui.TreeModelComposite; /** * ** This class represents: * - a todo tree model / perspective (which is a collection of GoRules) ** * $Id: ToDoPerspective.java,v 1.9 2004/09/01 16:18:39 mvw Exp $ */ public abstract class ToDoPerspective extends TreeModelComposite implements Serializable { private static final Logger LOG = Logger.getLogger(ToDoPerspective.class); //////////////////////////////////////////////////////////////// // instance variables /** todoList specific */ private boolean flat; /** todoList specific */ private Vector flatChildren; /** * The constructor. * * @param name the name that will be localized */ public ToDoPerspective(String name) { super(name); flatChildren = new Vector(); } //////////////////////////////////////////////////////////////// // TreeModel implementation - todo specific stuff /** * Finds the each of the children of a parent in the tree. * * @param parent in the tree * @param index of child to find * @return the child found at index. Null if index is out of bounds. */ public Object getChild(Object parent, int index) { if (flat && parent == getRoot()) { return flatChildren.elementAt(index); } return super.getChild( parent, index); } /** * @see javax.swing.tree.TreeModel#getChildCount(java.lang.Object) */ public int getChildCount(Object parent) { if (flat && parent == getRoot()) { return flatChildren.size(); } return super.getChildCount( parent); } /** * @see javax.swing.tree.TreeModel#getIndexOfChild(java.lang.Object, * java.lang.Object) */ public int getIndexOfChild(Object parent, Object child) { if (flat && parent == getRoot()) { return flatChildren.indexOf(child); } return super.getIndexOfChild(parent, child); } // ------------ other methods ------------ /** * todoList specific * @param b true if flat */ public void setFlat(boolean b) { flat = false; if (b) calcFlatChildren(); flat = b; } /** * todoList specific * * @return the flatness: true if flat */ public boolean getFlat() { return flat; } /** todoList specific */ public void calcFlatChildren() { flatChildren.removeAllElements(); addFlatChildren(getRoot()); } /** * todoList specific * * @param node the object to be added */ public void addFlatChildren(Object node) { if (node == null) return; LOG.debug("addFlatChildren"); // hack for to do items only, should check isLeaf(node), but that // includes empty folders. Really I need alwaysLeaf(node). if ((node instanceof ToDoItem) && !flatChildren.contains(node)) flatChildren.addElement(node); int nKids = getChildCount(node); for (int i = 0; i < nKids; i++) { addFlatChildren(getChild(node, i)); } } } /* end class ToDoPerspective */ |
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