diff options
Diffstat (limited to 'libjava/javax/swing/InputMap.java')
| -rw-r--r-- | libjava/javax/swing/InputMap.java | 224 |
1 files changed, 99 insertions, 125 deletions
diff --git a/libjava/javax/swing/InputMap.java b/libjava/javax/swing/InputMap.java index d748fb53e02..fdcc8280fd3 100644 --- a/libjava/javax/swing/InputMap.java +++ b/libjava/javax/swing/InputMap.java @@ -1,5 +1,5 @@ /* InputMap.java -- - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2004 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -35,7 +35,6 @@ 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.IOException; @@ -43,24 +42,23 @@ import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.Serializable; import java.util.Arrays; -import java.util.Iterator; import java.util.HashMap; import java.util.HashSet; +import java.util.Iterator; import java.util.Map; import java.util.Set; + /** - * InputMap * @author Andrew Selkirk - * @version 1.0 + * @author Michael Koch + * + * @since 1.3 */ -public class InputMap implements Serializable +public class InputMap + implements Serializable { - static final long serialVersionUID = -5429059542008604257L; - - //------------------------------------------------------------- - // Variables -------------------------------------------------- - //------------------------------------------------------------- + private static final long serialVersionUID = -5429059542008604257L; /** * inputMap @@ -70,171 +68,147 @@ public class InputMap implements Serializable /** * parent */ - private InputMap parent = null; - - - //------------------------------------------------------------- - // Initialization --------------------------------------------- - //------------------------------------------------------------- + private InputMap parent; /** - * Constructor InputMap + * Creates a new <code>InputMap</code> instance. */ - public InputMap() { + public InputMap() + { // TODO - } // InputMap() - - - //------------------------------------------------------------- - // Methods ---------------------------------------------------- - //------------------------------------------------------------- + } /** - * get - * @param value0 TODO - * @returns Object + * Returns the binding for keystroke. + * + * @param key the key of the enty + * + * @return the binding associated with keystroke may be null */ - public Object get(KeyStroke keystroke) { - - // Variables - Object result; + public Object get(KeyStroke keystroke) + { + Object result = inputMap.get(keystroke); - // Check Local store - result = inputMap.get(keystroke); - - // Check Parent - if (result == null) { + if (result == null) result = parent.get(keystroke); - } // if - return result; - - } // get() + } /** - * put - * @param keystroke TODO - * @param actionMapKey TODO + * Puts a new entry into the <code>InputMap</code>. + * If actionMapKey is null an existing entry will be removed. + * + * @param keystroke the keystroke for the entry + * @param actionMapKey the action. */ - public void put(KeyStroke keystroke, Object actionMapKey) { - if (actionMapKey == null) { + public void put(KeyStroke keystroke, Object actionMapKey) + { + if (actionMapKey == null) inputMap.remove(keystroke); - } else { + else inputMap.put(keystroke, actionMapKey); - } // if - } // put() + } /** - * remove - * @param keystroke TODO + * Remove an entry from the <code>InputMap</code>. + * + * @param key the key of the entry to remove */ - public void remove(KeyStroke keystroke) { + public void remove(KeyStroke keystroke) + { inputMap.remove(keystroke); - } // remove() + } /** - * getParent - * @returns InputMap + * Returns the parent of this <code>InputMap</code>. + * + * @return the parent, may be null. */ - public InputMap getParent() { + public InputMap getParent() + { return parent; - } // getParent() + } /** - * setParent - * @param parentMap TODO + * Sets a parent for this <code>InputMap</code>. + * + * @param parentMap the new parent */ - public void setParent(InputMap parentMap) { + public void setParent(InputMap parentMap) + { parent = parentMap; - } // setParent() + } /** - * size - * @returns int + * Returns the number of entries in this <code>InputMap</code>. + * + * @return the number of entries */ - public int size() { + public int size() + { return inputMap.size(); - } // size() + } /** - * clear + * Clears the <code>InputMap</code>. */ - public void clear() { + public void clear() + { inputMap.clear(); - } // clear() + } /** - * keys - * @returns KeyStroke[] + * Returns all keys of entries in this <code>InputMap</code>. + * + * @return an array of keys */ - public KeyStroke[] keys() { - return convertSet(inputMap.keySet()); - } // keys() + public KeyStroke[] keys() + { + KeyStroke[] array = new KeyStroke[size()]; + return (KeyStroke[]) inputMap.keySet().toArray(array); + } /** - * allKeys - * @returns KeyStroke[] + * Returns all keys of entries in this <code>InputMap</code> + * and all its parents. + * + * @return an array of keys */ - public KeyStroke[] allKeys() { + public KeyStroke[] allKeys() + { + Set set = new HashSet(); - // Variables - Set set; - - // Initialize - set = new HashSet(); - - // Get Key Sets - if (parent != null) { + if (parent != null) set.addAll(Arrays.asList(parent.allKeys())); - } // if - set.addAll(inputMap.keySet()); - - return convertSet(set); - - } // allKeys() - - private KeyStroke[] convertSet(Set set) { - - // Variables - int index; - Iterator iterator; - KeyStroke[] keys; - // Create Final array - keys = new KeyStroke[set.size()]; - iterator = set.iterator(); - index = 0; - while (iterator.hasNext()) { - keys[index++] = (KeyStroke) iterator.next(); - } // while - - return keys; - - } // convertSet() - - - //------------------------------------------------------------- - // Interface: Serializable ------------------------------------ - //------------------------------------------------------------- + set.addAll(inputMap.keySet()); + KeyStroke[] array = new KeyStroke[size()]; + return (KeyStroke[]) set.toArray(array); + } /** * writeObject - * @param stream TODO - * @exception IOException TODO + * + * @param stream the stream to write to + * + * @exception IOException If an error occurs */ - private void writeObject(ObjectOutputStream stream) throws IOException { + private void writeObject(ObjectOutputStream stream) throws IOException + { // TODO - } // writeObject() + } /** * readObject - * @param stream TODO - * @exception ClassNotFoundException TODO - * @exception IOException TODO + * + * @param stream the stream to read from + * + * @exception ClassNotFoundException If the serialized class cannot be found + * @exception IOException If an error occurs */ - private void readObject(ObjectInputStream stream) throws ClassNotFoundException, IOException { + private void readObject(ObjectInputStream stream) + throws ClassNotFoundException, IOException + { // TODO - } // readObject() - - -} // InputMap + } +} |
