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Diffstat (limited to 'libjava/classpath/javax/swing/ActionMap.java')
-rw-r--r-- | libjava/classpath/javax/swing/ActionMap.java | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/libjava/classpath/javax/swing/ActionMap.java b/libjava/classpath/javax/swing/ActionMap.java deleted file mode 100644 index 0d6706c..0000000 --- a/libjava/classpath/javax/swing/ActionMap.java +++ /dev/null @@ -1,195 +0,0 @@ -/* ActionMap.java -- - Copyright (C) 2002, 2004, 2006, 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., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 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; - -import java.io.Serializable; -import java.util.Arrays; -import java.util.HashMap; -import java.util.HashSet; -import java.util.Map; -import java.util.Set; - - -/** - * Maps arbitrary keys (usually Strings) to {@link Action} instances. This - * is used in combination with {@link InputMap}s. - * - * If a component receives an input event, this is looked up in - * the component's <code>InputMap</code>. The result is an object which - * serves as a key to the components <code>ActionMap</code>. Finally - * the <code>Action</code> that is stored is executed. - * - * @author Andrew Selkirk - * @author Michael Koch - */ -public class ActionMap - implements Serializable -{ - private static final long serialVersionUID = -6277518704513986346L; - - /** - * actionMap - */ - private Map actionMap = new HashMap(); - - /** - * parent - */ - private ActionMap parent; - - /** - * Creates a new <code>ActionMap</code> instance. - */ - public ActionMap() - { - // Nothing to do here. - } - - /** - * Returns an action associated with an object. - * - * @param key the key of the enty - * - * @return the action associated with key, may be null - */ - public Action get(Object key) - { - Object result = actionMap.get(key); - - if (result == null && parent != null) - result = parent.get(key); - - return (Action) result; - } - - /** - * Puts a new <code>Action</code> into the <code>ActionMap</code>. - * If action is null an existing entry will be removed. - * - * @param key the key for the entry - * @param action the action. - */ - public void put(Object key, Action action) - { - if (action == null) - actionMap.remove(key); - else - actionMap.put(key, action); - } - - /** - * Remove an entry from the <code>ActionMap</code>. - * - * @param key the key of the entry to remove - */ - public void remove(Object key) - { - actionMap.remove(key); - } - - /** - * Returns the parent of this <code>ActionMap</code>. - * - * @return the parent, may be null. - */ - public ActionMap getParent() - { - return parent; - } - - /** - * Sets a parent for this <code>ActionMap</code>. - * - * @param parentMap the new parent - */ - public void setParent(ActionMap parentMap) - { - if (parentMap != this) - parent = parentMap; - } - - /** - * Returns the number of entries in this <code>ActionMap</code>. - * - * @return the number of entries - */ - public int size() - { - return actionMap.size(); - } - - /** - * Clears the <code>ActionMap</code>. - */ - public void clear() - { - actionMap.clear(); - } - - /** - * Returns all keys of entries in this <code>ActionMap</code>. - * - * @return an array of keys - */ - public Object[] keys() - { - if (size() != 0) - return actionMap.keySet().toArray(); - return null; - } - - /** - * Returns all keys of entries in this <code>ActionMap</code> - * and all its parents. - * - * @return an array of keys - */ - public Object[] allKeys() - { - Set set = new HashSet(); - - if (parent != null) - set.addAll(Arrays.asList(parent.allKeys())); - - set.addAll(actionMap.keySet()); - if (set.size() != 0) - return set.toArray(); - return null; - } - -} |