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Diffstat (limited to 'libjava/javax/swing/event/EventListenerList.java')
| -rw-r--r-- | libjava/javax/swing/event/EventListenerList.java | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/libjava/javax/swing/event/EventListenerList.java b/libjava/javax/swing/event/EventListenerList.java deleted file mode 100644 index 5017aa54336..00000000000 --- a/libjava/javax/swing/event/EventListenerList.java +++ /dev/null @@ -1,241 +0,0 @@ -/* EventListenerList.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.io.Serializable; -import java.util.EventListener; - -/** - * EventListenerList - * @author Andrew Selkirk - */ -public class EventListenerList extends Object - implements Serializable { - - //------------------------------------------------------------- - // Variables -------------------------------------------------- - //------------------------------------------------------------- - - /** - * Listener list - */ - protected Object[] listenerList = null; - - - //------------------------------------------------------------- - // Initialization --------------------------------------------- - //------------------------------------------------------------- - - /** - * EventListenerList constructor - */ - public EventListenerList() { - listenerList = new Object[0]; - } // EventListenerList() - - - //------------------------------------------------------------- - // Methods ---------------------------------------------------- - //------------------------------------------------------------- - - /** - * Add Listener - * @param t Class type - * @param listener Listener to add - */ - public void add(Class t, EventListener listener) { - - // Variables - Object[] list; - int index; - Class checkClass; - EventListener checkListener; - - // Create New list in anticipation that listener is not present - list = new Object[listenerList.length + 2]; - - // Search through list looking for listener - for (index = 0; index < listenerList.length; index += 2) { - checkClass = (Class) listenerList[index]; - checkListener = (EventListener) listenerList[index + 1]; - if (checkClass.equals(t) == true && - checkListener.equals(listener) == true) { - return; - } // if - } // for - - // Add Listener - list[listenerList.length] = t; - list[listenerList.length + 1] = listener; - - // Replace Listener List - listenerList = list; - - } // add() - - /** - * Get the total number of listeners - * @return Count of listeners - */ - public int getListenerCount() { - return (int) listenerList.length / 2; - } // getListenerCount - - /** - * Get the number of listeners of a particular type - * @param t Class type to count - * @returns Count of the specified listeners - */ - public int getListenerCount(Class t) { - - // Variables - int index; - int count; - String name; - - // Loop through entire list - count = 0; - name = t.getName(); - for (index = 0; index < listenerList.length; index += 2) { - if (((Class) listenerList[index]).getName().equals(name) == true) { - count += 1; - } - } // for: index - - // Return Count - return count; - - } // getListenerCount() - - /** - * Get a list of listenerType/listener pairs - * @returns Listener list - */ - public Object[] getListenerList() { - return listenerList; - } // getListenerList() - - /** - * Get list of listeners of a particular type - * @param c Class type - * @returns List of listeners of the specified type - */ - public EventListener[] getListeners(Class c) { - - // Variables - int count; - EventListener[] list; - String name; - int index; - - // Get count of listeners - count = getListenerCount(c); - - // Create Event Listener list - list = new EventListener[count]; - - // Construct List - count = 0; - name = c.getName(); - for (index = 0; index < listenerList.length; index += 2) { - if (((Class) listenerList[index]).getName().equals(name) == true) { - list[count] = (EventListener) listenerList[index]; - count += 1; - } // if - } // for: index - - // Return List - return list; - - } // getListeners() - - /** - * Remove a listener - * @param t Class type - * @param listener Listener to be removed - */ - public void remove(Class t, EventListener listener) { - - // Variables - Object[] list; - int index; - Class checkClass; - EventListener checkListener; - int pointer; - boolean found; - - // Create New list in anticipation that listener is not present - if (listenerList.length == 0) { - return; - } // if - list = new Object[listenerList.length - 2]; - - // Search through list looking for listener - pointer = 0; - found = false; - for (index = 0; index < listenerList.length - 2; index += 2) { - checkClass = (Class) listenerList[index]; - checkListener = (EventListener) listenerList[index + 1]; - if (checkClass.equals(t) == false || - checkListener.equals(listener) == false) { - list[pointer] = checkClass; - list[pointer + 1] = checkListener; - pointer += 2; - } else { - found = true; - } // if - } // for - - // Replace Listener List - if (found == true) { - listenerList = list; - } // if - - } // remove() - - /** - * Get a string representation - * @returns String representation - */ - public String toString() { - return null; // TODO - } // toString() - - -} // EventListenerList |