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Diffstat (limited to 'libjava/javax/swing/event/SwingPropertyChangeSupport.java')
| -rw-r--r-- | libjava/javax/swing/event/SwingPropertyChangeSupport.java | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/libjava/javax/swing/event/SwingPropertyChangeSupport.java b/libjava/javax/swing/event/SwingPropertyChangeSupport.java deleted file mode 100644 index 2bb0d64aca6..00000000000 --- a/libjava/javax/swing/event/SwingPropertyChangeSupport.java +++ /dev/null @@ -1,248 +0,0 @@ -/* SwingPropertyChangeSupport.java -- - Copyright (C) 2002 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA -02111-1307 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package javax.swing.event; - -// Imports -import java.beans.*; -import java.io.*; -import java.util.*; - -/** - * SwingPropertyChangeSupport - * @author Andrew Selkirk -*/ -public final class SwingPropertyChangeSupport - extends PropertyChangeSupport { - - //------------------------------------------------------------- - // Variables -------------------------------------------------- - //------------------------------------------------------------- - - /** - * listeners - */ - private transient EventListenerList listeners; - - /** - * propertyListeners - */ - private Hashtable propertyListeners; - - /** - * source - */ - private Object source; - - - //------------------------------------------------------------- - // Initialization --------------------------------------------- - //------------------------------------------------------------- - - /** - * Constructor SwingPropertyChangeSupport - * @param source TODO - */ - public SwingPropertyChangeSupport(Object source) { - super(source); - this.source = source; - this.listeners = new EventListenerList(); - this.propertyListeners = new Hashtable(); - } // SwingPropertyChangeSupport() - - - //------------------------------------------------------------- - // Methods ---------------------------------------------------- - //------------------------------------------------------------- - - /** - * writeObject - * @param stream TODO - * @exception IOException TODO - */ - private void writeObject(ObjectOutputStream stream) throws IOException { - // TODO - } // writeObject() - - /** - * readObject - * @param stream TODO - * @exception ClassNotFoundException TODO - * @exception IOException TODO - */ - private void readObject(ObjectInputStream stream) throws ClassNotFoundException, IOException { - // TODO - } // readObject() - - /** - * addPropertyChangeListener - * @param listener TODO - */ - public synchronized void addPropertyChangeListener(PropertyChangeListener listener) { - listeners.add(PropertyChangeListener.class, listener); - } // addPropertyChangeListener() - - /** - * addPropertyChangeListener - * @param propertyName TODO - * @param listener TODO - */ - public synchronized void addPropertyChangeListener(String propertyName, PropertyChangeListener listener) { - - // Variables - EventListenerList list; - - // Get Listener list - list = (EventListenerList) propertyListeners.get(propertyName); - if (list == null) { - list = new EventListenerList(); - propertyListeners.put(propertyName, list); - } // if - - // Add Listeners - list.add(PropertyChangeListener.class, listener); - - } // addPropertyChangeListener() - - /** - * removePropertyChangeListener - * @param listener TODO - */ - public synchronized void removePropertyChangeListener(PropertyChangeListener listener) { - listeners.remove(PropertyChangeListener.class, listener); - } // removePropertyChangeListener() - - /** - * removePropertyChangeListener - * @param propertyName TODO - * @param listener TODO - */ - public synchronized void removePropertyChangeListener(String propertyName, PropertyChangeListener listener) { - - // Variables - EventListenerList list; - - // Get Listener list - list = (EventListenerList) propertyListeners.get(propertyName); - if (list == null) { - return; - } // if - - // Remove Listeners - list.remove(PropertyChangeListener.class, listener); - - // Clean up propertyListeners - if (list.getListenerCount() == 0) { - propertyListeners.remove(propertyName); - } // if - - } // removePropertyChangeListener() - - /** - * firePropertyChange - * @param propertyName TODO - * @param oldValue TODO - * @param newValue TODO - */ - public void firePropertyChange(String propertyName, Object oldValue, Object newValue) { - - // Variables - PropertyChangeEvent event; - - // Create Property Change Event - event = new PropertyChangeEvent(source, propertyName, oldValue, newValue); - - // Fire Event - firePropertyChange(event); - - } // firePropertyChange() - - /** - * firePropertyChange - * @param event TODO - */ - public void firePropertyChange(PropertyChangeEvent event) { - - // Variables - EventListenerList list; - EventListener[] listenerList; - int index; - PropertyChangeListener listener; - - // Check Values if they are equal - if (event.getOldValue() == null || event.getNewValue() == null || - event.getOldValue().equals(event.getNewValue()) == true) { - return; - } // if - - // Process Main Listener List - listenerList = listeners.getListeners(PropertyChangeListener.class); - for (index = 0; index < listenerList.length; index++) { - listener = (PropertyChangeListener) listenerList[index]; - listener.propertyChange(event); - } // for - - // Process Property Listener List - list = (EventListenerList) propertyListeners.get(event.getPropertyName()); - if (list != null) { - listenerList = list.getListeners(PropertyChangeListener.class); - for (index = 0; index < listenerList.length; index++) { - listener = (PropertyChangeListener) listenerList[index]; - listener.propertyChange(event); - } // for - } // if - - } // firePropertyChange() - - /** - * hasListeners - * @param propertyName TODO - * @returns boolean - */ - public synchronized boolean hasListeners(String propertyName) { - - // Get Listener list - if (propertyListeners.get(propertyName) == null) { - return false; - } // if - - return true; - - } // hasListeners() - - -} // SwingPropertyChangeSupport |