Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/cognitive/ui/GoListToDecisionsToItems.java
// $Id: GoListToDecisionsToItems.java 16299 2008-12-07 21:18:09Z tfmorris $
// Copyright (c) 1996-2008 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
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package org.argouml.cognitive.ui;

import java.util.ArrayList;
import java.util.List;
import java.util.Vector;

import javax.swing.event.TreeModelListener;
import javax.swing.tree.TreePath;

import org.argouml.cognitive.Decision;
import org.argouml.cognitive.Designer;
import org.argouml.cognitive.ToDoItem;
import org.argouml.cognitive.ToDoList;


/**
 * Rule for sorting the ToDo list: Decision -> Item.
 *
 */
public class GoListToDecisionsToItems extends AbstractGoList {

    ////////////////////////////////////////////////////////////////
    // TreeModel implementation


    /*
     * @see javax.swing.tree.TreeModel#getChild(java.lang.Object, int)
     */
    public Object getChild(Object parent, int index) {
	if (parent instanceof ToDoList) {
	    return getDecisionList().get(index);
	}
	if (parent instanceof Decision) {
            Decision dec = (Decision) parent;
            List<ToDoItem> itemList = 
                Designer.theDesigner().getToDoList().getToDoItemList();
            synchronized (itemList) {
                for (ToDoItem item : itemList) {
                    if (item.getPoster().supports(dec)) {
                        if (index == 0) {
                            return item;
                        }
                        index--;
                    }
                }
            }
        }

	throw new IndexOutOfBoundsException("getChild shouldn't get here "
					    + "GoListToDecisionsToItems");
    }

    private int getChildCountCond(Object parent, boolean stopafterone) {
	if (parent instanceof ToDoList) {
	    return getDecisionList().size();
	}
	if (parent instanceof Decision) {
	    Decision dec = (Decision) parent;
            int count = 0;
            List<ToDoItem> itemList = 
                Designer.theDesigner().getToDoList().getToDoItemList();
            synchronized (itemList) {
                for (ToDoItem item : itemList) {
                    if (item.getPoster().supports(dec)) {
                        count++;
                    }
                    if (stopafterone && count > 0) {
                        break;
                    }
                }
            }
	    return count;
	}
	return 0;
    }

    /*
     * @see javax.swing.tree.TreeModel#getChildCount(java.lang.Object)
     */
    public int getChildCount(Object parent) {
        return getChildCountCond(parent, false);
    }

    /**
     * @param parent the object to check its offspring
     * @return the nr of children
     */
    private boolean hasChildren(Object parent) {
        return getChildCountCond(parent, true) > 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 getDecisionList().indexOf(child);
	}
	if (parent instanceof Decision) {
	    // instead of making a new list, decrement index, return when
	    // found and index == 0
	    List<ToDoItem> candidates = new ArrayList<ToDoItem>();
	    Decision dec = (Decision) parent;
            List<ToDoItem> itemList = 
                Designer.theDesigner().getToDoList().getToDoItemList();
            synchronized (itemList) {
                for (ToDoItem item : itemList) {
                    if (item.getPoster().supports(dec)) {
                        candidates.add(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 Decision && hasChildren(node)) {
            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) { }

    /**
     * @return the decisions
     */    
    public List<Decision> getDecisionList() {
        return Designer.theDesigner().getDecisionModel().getDecisionList();
    }


}
