00001 package edu.ksu.cis.bandera.abstraction.gui;
00002
00003 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
00004 * Bandera, a Java(TM) analysis and transformation toolkit *
00005 * Copyright (C) 1998, 1999, 2000 Shawn Laubach (laubach@acm.org) *
00006 * All rights reserved. *
00007 * *
00008 * This work was done as a project in the SAnToS Laboratory, *
00009 * Department of Computing and Information Sciences, Kansas State *
00010 * University, USA (http://www.cis.ksu.edu/santos). *
00011 * It is understood that any modification not identified as such is *
00012 * not covered by the preceding statement. *
00013 * *
00014 * This work is free software; you can redistribute it and/or *
00015 * modify it under the terms of the GNU Library General Public *
00016 * License as published by the Free Software Foundation; either *
00017 * version 2 of the License, or (at your option) any later version. *
00018 * *
00019 * This work is distributed in the hope that it will be useful, *
00020 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
00021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
00022 * Library General Public License for more details. *
00023 * *
00024 * You should have received a copy of the GNU Library General Public *
00025 * License along with this toolkit; if not, write to the *
00026 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, *
00027 * Boston, MA 02111-1307, USA. *
00028 * *
00029 * Java is a trademark of Sun Microsystems, Inc. *
00030 * *
00031 * To submit a bug report, send a comment, or get the latest news on *
00032 * this project and other SAnToS projects, please visit the web-site *
00033 * http://www.cis.ksu.edu/santos *
00034 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
00035 import java.awt.Component;
00036 import java.awt.event.*;
00037 import java.awt.AWTEvent;
00038 import javax.swing.*;
00039 import javax.swing.event.*;
00040 import java.util.EventObject;
00041 import java.io.Serializable;
00042
00043 public class AbstractCellEditor implements CellEditor {
00044
00045 protected EventListenerList listenerList = new EventListenerList();
00046
00047 public void addCellEditorListener(CellEditorListener l) {
00048 listenerList.add(CellEditorListener.class, l);
00049 }
00050 public void cancelCellEditing() {}
00051 /*
00052 * Notify all listeners that have registered interest for
00053 * notification on this event type.
00054 * @see EventListenerList
00055 */
00056 protected void fireEditingCanceled() {
00057 // Guaranteed to return a non-null array
00058 Object[] listeners = listenerList.getListenerList();
00059 // Process the listeners last to first, notifying
00060 // those that are interested in this event
00061 for (int i = listeners.length-2; i>=0; i-=2) {
00062 if (listeners[i]==CellEditorListener.class) {
00063 ((CellEditorListener)listeners[i+1]).editingCanceled(new ChangeEvent(this));
00064 }
00065 }
00066 }
00067 /*
00068 * Notify all listeners that have registered interest for
00069 * notification on this event type.
00070 * @see EventListenerList
00071 */
00072 protected void fireEditingStopped() {
00073 // Guaranteed to return a non-null array
00074 Object[] listeners = listenerList.getListenerList();
00075 // Process the listeners last to first, notifying
00076 // those that are interested in this event
00077 for (int i = listeners.length-2; i>=0; i-=2) {
00078 if (listeners[i]==CellEditorListener.class) {
00079 ((CellEditorListener)listeners[i+1]).editingStopped(new ChangeEvent(this));
00080 }
00081 }
00082 }
00083 public Object getCellEditorValue() { return null; }
00084 public boolean isCellEditable(EventObject e) { return true; }
00085 public void removeCellEditorListener(CellEditorListener l) {
00086 listenerList.remove(CellEditorListener.class, l);
00087 }
00088 public boolean shouldSelectCell(EventObject anEvent) { return false; }
00089 public boolean stopCellEditing() { return true; }
00090 }
1.2.10 written by Dimitri van Heesch,
© 1997-2001