diff options
Diffstat (limited to 'libjava/javax/swing/ActionMap.java')
| -rw-r--r-- | libjava/javax/swing/ActionMap.java | 215 |
1 files changed, 94 insertions, 121 deletions
diff --git a/libjava/javax/swing/ActionMap.java b/libjava/javax/swing/ActionMap.java index ce6086c..2a5c67a 100644 --- a/libjava/javax/swing/ActionMap.java +++ b/libjava/javax/swing/ActionMap.java @@ -48,18 +48,15 @@ import java.util.Iterator; import java.util.Map; import java.util.Set; + /** - * ActionMap * @author Andrew Selkirk - * @version 1.0 + * @author Michael Koch */ -public class ActionMap implements Serializable +public class ActionMap + implements Serializable { - static final long serialVersionUID = -6277518704513986346L; - - //------------------------------------------------------------- - // Variables -------------------------------------------------- - //------------------------------------------------------------- + private static final long serialVersionUID = -6277518704513986346L; /** * actionMap @@ -69,170 +66,146 @@ public class ActionMap implements Serializable /** * parent */ - private ActionMap parent = null; - - - //------------------------------------------------------------- - // Initialization --------------------------------------------- - //------------------------------------------------------------- + private ActionMap parent; /** - * Constructor ActionMap + * Creates a new <code>ActionMap</code> instance. */ - public ActionMap() { - } // ActionMap() - - - //------------------------------------------------------------- - // Methods ---------------------------------------------------- - //------------------------------------------------------------- + public ActionMap() + { + } /** - * get - * @param key TODO - * @returns Action + * 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) { + public Action get(Object key) + { + Object result = actionMap.get(key); - // Variables - Object result; - - // Check Local store - result = actionMap.get(key); - - // Check Parent - if (result == null) { + if (result == null) result = parent.get(key); - } // if return (Action) result; - - } // get() + } /** - * put - * @param key TODO - * @param action TODO + * 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) { + public void put(Object key, Action action) + { + if (action == null) actionMap.remove(key); - } else { + else actionMap.put(key, action); - } // if - } // put() + } /** - * remove - * @param key TODO + * Remove an entry from the <code>ActionMap</code>. + * + * @param key the key of the entry to remove */ - public void remove(Object key) { + public void remove(Object key) + { actionMap.remove(key); - } // remove() + } /** - * getParent - * @returns ActionMap + * Returns the parent of this <code>ActionMap</code>. + * + * @return the parent, may be null. */ - public ActionMap getParent() { + public ActionMap getParent() + { return parent; - } // getParent() + } /** - * setParent - * @param parentMap TODO + * Sets a parent for this <code>ActionMap</code>. + * + * @param parentMap the new parent */ - public void setParent(ActionMap parentMap) { + public void setParent(ActionMap parentMap) + { parent = parentMap; - } // setParent() + } /** - * size - * @returns int + * Returns the number of entries in this <code>ActionMap</code>. + * + * @return the number of entries */ - public int size() { + public int size() + { return actionMap.size(); - } // size() + } /** - * clear + * Clears the <code>ActionMap</code>. */ - public void clear() { + public void clear() + { actionMap.clear(); - } // clear() + } /** - * keys - * @returns Object[] + * Returns all keys of entries in this <code>ActionMap</code>. + * + * @return an array of keys */ - public Object[] keys() { - return convertSet(actionMap.keySet()); - } // keys() + public Object[] keys() + { + return actionMap.keySet().toArray(); + } /** - * allKeys - * @returns Object[] + * Returns all keys of entries in this <code>ActionMap</code> + * and all its parents. + * + * @return an array of keys */ - public Object[] allKeys() { - - // Variables - Set set; - - // Initialize - set = new HashSet(); + public Object[] allKeys() + { + Set set = new HashSet(); - // Get Key Sets - if (parent != null) { + if (parent != null) set.addAll(Arrays.asList(parent.allKeys())); - } // if - set.addAll(actionMap.keySet()); - return convertSet(set); - - } // allKeys() - - private Object[] convertSet(Set set) { - - // Variables - int index; - Iterator iterator; - Object[] keys; - - // Create Final array - keys = new Object[set.size()]; - iterator = set.iterator(); - index = 0; - while (iterator.hasNext()) { - keys[index++] = iterator.next(); - } // while - - return keys; - - } // convertSet() - - - //------------------------------------------------------------- - // Interface: Serializable ------------------------------------ - //------------------------------------------------------------- + set.addAll(actionMap.keySet()); + return set.toArray(); + } /** * writeObject - * @param stream TODO - * @exception IOException TODO + * + * @param stream the stream to write to + * + * @exception IOException If an error occurs */ - private void writeObject(ObjectOutputStream value0) 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 value0) throws ClassNotFoundException, IOException { + private void readObject(ObjectInputStream stream) + throws ClassNotFoundException, IOException + { // TODO - } // readObject() - - -} // ActionMap + } +} |