How to use

DowngradeActionMap

in

org.jfree.ui.action

/**
 * Returns an array of the keys defined in this <code>ActionMap</code> and
 * its parent. This method differs from <code>keys()</code> in that
 * this method includes the keys defined in the parent.
 *
 * @return all keys of this map and all parents.
 */
public Object[] allKeys() {
  if (this.parent == null) {
    return keys();
  }
  final Object[] parentKeys = this.parent.allKeys();
  final Object[] key = keys();
  final Object[] retval = new Object[parentKeys.length + key.length];
  System.arraycopy(key, 0, retval, 0, key.length);
  System.arraycopy(retval, 0, retval, key.length, retval.length);
  return retval;
}

/**
 * Returns the binding for <code>key</code>, messaging the
 * parent <code>ActionMap</code> if the binding is not locally defined.
 *
 * @param key the key to be queried.
 * @return the action for this key, or null if there is no such action.
 */
public Action get(final Object key) {
  final Action retval = (Action) this.actionMap.get(key);
  if (retval != null) {
    return retval;
  }
  if (this.parent != null) {
    return this.parent.get(key);
  }
  return null;
}

/**
 * Adds a binding for <code>key</code> to <code>action</code>.
 * If <code>action</code> is null, this removes the current binding
 * for <code>key</code>.
 * <p>In most instances, <code>key</code> will be
 * <code>action.getValue(NAME)</code>.
 *
 * @param key the key for the action.
 * @param action the action to be added.
 */
public void put(final Object key, final Action action) {
  if (action == null) {
    remove(key);
  }
  else {
    if (this.actionMap.containsKey(key)) {
      remove(key);
    }
    this.actionMap.put(key, action);
    this.actionList.add (key);
  }
}

/**
 * Adds a binding for <code>key</code> to <code>action</code>.
 * If <code>action</code> is null, this removes the current binding
 * for <code>key</code>.
 * <p>In most instances, <code>key</code> will be
 * <code>action.getValue(NAME)</code>.
 *
 * @param key the key for the action.
 * @param action the action to be added.
 */
public void put(final Object key, final Action action) {
  if (action == null) {
    remove(key);
  }
  else {
    if (this.actionMap.containsKey(key)) {
      remove(key);
    }
    this.actionMap.put(key, action);
    this.actionList.add (key);
  }
}

/**
 * Returns an array of the keys defined in this <code>ActionMap</code> and
 * its parent. This method differs from <code>keys()</code> in that
 * this method includes the keys defined in the parent.
 *
 * @return all keys of this map and all parents.
 */
public Object[] allKeys() {
  if (this.parent == null) {
    return keys();
  }
  final Object[] parentKeys = this.parent.allKeys();
  final Object[] key = keys();
  final Object[] retval = new Object[parentKeys.length + key.length];
  System.arraycopy(key, 0, retval, 0, key.length);
  System.arraycopy(retval, 0, retval, key.length, retval.length);
  return retval;
}

/**
 * Returns the binding for <code>key</code>, messaging the
 * parent <code>ActionMap</code> if the binding is not locally defined.
 *
 * @param key the key to be queried.
 * @return the action for this key, or null if there is no such action.
 */
public Action get(final Object key) {
  final Action retval = (Action) this.actionMap.get(key);
  if (retval != null) {
    return retval;
  }
  if (this.parent != null) {
    return this.parent.get(key);
  }
  return null;
}

/**
 * Adds a binding for <code>key</code> to <code>action</code>.
 * If <code>action</code> is null, this removes the current binding
 * for <code>key</code>.
 * <p>In most instances, <code>key</code> will be
 * <code>action.getValue(NAME)</code>.
 *
 * @param key the key for the action.
 * @param action the action to be added.
 */
public void put(final Object key, final Action action) {
  if (action == null) {
    remove(key);
  }
  else {
    if (this.actionMap.containsKey(key)) {
      remove(key);
    }
    this.actionMap.put(key, action);
    this.actionList.add (key);
  }
}

/**
 * Returns an array of the keys defined in this <code>ActionMap</code> and
 * its parent. This method differs from <code>keys()</code> in that
 * this method includes the keys defined in the parent.
 *
 * @return all keys of this map and all parents.
 */
public Object[] allKeys() {
  if (this.parent == null) {
    return keys();
  }
  final Object[] parentKeys = this.parent.allKeys();
  final Object[] key = keys();
  final Object[] retval = new Object[parentKeys.length + key.length];
  System.arraycopy(key, 0, retval, 0, key.length);
  System.arraycopy(retval, 0, retval, key.length, retval.length);
  return retval;
}

/**
 * Returns the binding for <code>key</code>, messaging the
 * parent <code>ActionMap</code> if the binding is not locally defined.
 *
 * @param key the key to be queried.
 * @return the action for this key, or null if there is no such action.
 */
public Action get(final Object key) {
  final Action retval = (Action) this.actionMap.get(key);
  if (retval != null) {
    return retval;
  }
  if (this.parent != null) {
    return this.parent.get(key);
  }
  return null;
}