Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/cognitive/ui/ToDoByOffender.java
// $Id: ToDoByOffender.java 15884 2008-10-04 17:16:59Z bobtarling $
// Copyright (c) 1996-2006 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
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// does not warrant that the operation of the program will be
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package org.argouml.cognitive.ui;

import java.util.List;

import org.apache.log4j.Logger;
import org.argouml.cognitive.Designer;
import org.argouml.cognitive.ListSet;
import org.argouml.cognitive.ToDoItem;
import org.argouml.cognitive.ToDoListEvent;
import org.argouml.cognitive.ToDoListListener;

/**
 * Represents a perspective for ToDo items: grouping by offender type.
 *
 */
public class ToDoByOffender extends ToDoPerspective
        implements ToDoListListener {

    private static final Logger LOG = Logger.getLogger(ToDoByOffender.class);

    /**
     * The constructor.
     *
     */
    public ToDoByOffender() {
        super("combobox.todo-perspective-offender");
        addSubTreeModel(new GoListToOffenderToItem());
    }

    ////////////////////////////////////////////////////////////////
    // ToDoListListener implementation

    /*
     * @see org.argouml.cognitive.ToDoListListener#toDoItemsChanged(org.argouml.cognitive.ToDoListEvent)
     */
    public void toDoItemsChanged(ToDoListEvent tde) {
        LOG.debug("toDoItemsChanged");
        List<ToDoItem> items = tde.getToDoItemList();
        Object[] path = new Object[2];
        path[0] = Designer.theDesigner().getToDoList();

        ListSet allOffenders = Designer.theDesigner().getToDoList()
                .getOffenders();
        synchronized (allOffenders) {
            for (Object off : allOffenders) {
                path[1] = off;
                int nMatchingItems = 0;
                synchronized (items) {
                    for (ToDoItem item : items) {
                        ListSet offenders = item.getOffenders();
                        if (!offenders.contains(off)) {
                            continue;
                        }
                        nMatchingItems++;
                    }
                }
                if (nMatchingItems == 0) {
                    continue;
                }
                int[] childIndices = new int[nMatchingItems];
                Object[] children = new Object[nMatchingItems];
                nMatchingItems = 0;
                synchronized (items) {
                    for (ToDoItem item : items) {
                        ListSet offenders = item.getOffenders();
                        if (!offenders.contains(off)) {
                            continue;
                        }
                        childIndices[nMatchingItems] = getIndexOfChild(off,
                                item);
                        children[nMatchingItems] = item;
                        nMatchingItems++;
                    }
                }
                fireTreeNodesChanged(this, path, childIndices, children);
            }
        }
    }

    /*
     * @see org.argouml.cognitive.ToDoListListener#toDoItemsAdded(org.argouml.cognitive.ToDoListEvent)
     */
    public void toDoItemsAdded(ToDoListEvent tde) {
        LOG.debug("toDoItemAdded");
        List<ToDoItem> items = tde.getToDoItemList();
        Object[] path = new Object[2];
        path[0] = Designer.theDesigner().getToDoList();

        ListSet allOffenders = Designer.theDesigner().getToDoList()
                .getOffenders();
        synchronized (allOffenders) {
            for (Object off : allOffenders) {
                path[1] = off;
                int nMatchingItems = 0;
                // TODO: This first loop just to count the items appears
                // redundant to me - tfm 20070630
                synchronized (items) {
                    for (ToDoItem item : items) {
                        ListSet offenders = item.getOffenders();
                        if (!offenders.contains(off)) {
                            continue;
                        }
                        nMatchingItems++;
                    }
                }
                if (nMatchingItems == 0) {
                    continue;
                }
                int[] childIndices = new int[nMatchingItems];
                Object[] children = new Object[nMatchingItems];
                nMatchingItems = 0;
                synchronized (items) {
                    for (ToDoItem item : items) {
                        ListSet offenders = item.getOffenders();
                        if (!offenders.contains(off)) {
                            continue;
                        }
                        childIndices[nMatchingItems] = getIndexOfChild(off,
                                item);
                        children[nMatchingItems] = item;
                        nMatchingItems++;
                    }
                }
                fireTreeNodesInserted(this, path, childIndices, children);
            }
        }
    }

    /*
     * @see org.argouml.cognitive.ToDoListListener#toDoItemsRemoved(org.argouml.cognitive.ToDoListEvent)
     */
    public void toDoItemsRemoved(ToDoListEvent tde) {
        LOG.debug("toDoItemRemoved");
        List<ToDoItem> items = tde.getToDoItemList();
        Object[] path = new Object[2];
        path[0] = Designer.theDesigner().getToDoList();

        ListSet allOffenders = Designer.theDesigner().getToDoList()
                .getOffenders();
        synchronized (allOffenders) {
            for (Object off : allOffenders) {
                boolean anyInOff = false;
                synchronized (items) {
                    for (ToDoItem item : items) {
                        ListSet offenders = item.getOffenders();
                        // TODO: This looks O(n^2)
                        if (offenders.contains(off)) {
                            anyInOff = true;
                            break;
                        }
                    }
                }
                if (!anyInOff) {
                    continue;
                }

                LOG.debug("toDoItemRemoved updating PriorityNode");
                path[1] = off;
                // fireTreeNodesChanged(this, path, childIndices, children);
                fireTreeStructureChanged(path);
            }
        }
    }

    /*
     * @see org.argouml.cognitive.ToDoListListener#toDoListChanged(org.argouml.cognitive.ToDoListEvent)
     */
    public void toDoListChanged(ToDoListEvent tde) {
    }

} /* end class ToDoByOffender */

