gcc/libjava/javax/swing/ComponentInputMap.java

/* ComponentInputMap.java --
   Copyright (C) 2002, 2004  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
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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.

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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
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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
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terms of your choice, provided that you also meet, for each linked
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package javax.swing;


/**
 * @author	Andrew Selkirk
 * @author Michael Koch
 */
public class ComponentInputMap extends InputMap
{
	/**
   * The component to notify.
	 */
	private JComponent component;

	/**
   * Creates <code>ComponentInputMap</code> object that notifies the given
   * component about changes to it.
   *
   * @param comp the component to notify
   *
   * @exception IllegalArgumentException if comp is null
   */
  public ComponentInputMap(JComponent comp)
  {
    if (comp == null)
      throw new IllegalArgumentException();
    
    this.component = comp;
  }

  /**
   * 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 value)
  {
    super.put(keystroke, value);
    // FIXME: Notify component.
  }

  /**
   * Clears the <code>InputMap</code>.
   */
  public void clear()
  {
    super.clear();
    // FIXME: Notify component.
  }

  /**
   * Remove an entry from the <code>InputMap</code>.
   *
   * @param key the key of the entry to remove
   */
  public void remove(KeyStroke keystroke)
  {
    super.remove(keystroke);
    // FIXME: Notify component.
  }

  /**
   * Sets a parent for this <code>ComponentInputMap</code>.
   *
   * @param parentMap the new parent
   *
   * @exception IllegalArgument if parentMap is not a
   * <code>ComponentInputMap</code> or not associated with the same component
   */
  public void setParent(InputMap parentMap)
  {
    if (! (parentMap instanceof ComponentInputMap))
      throw new IllegalArgumentException();

    if (((ComponentInputMap) parentMap).getComponent() != component)
      throw new IllegalArgumentException();
   
    super.setParent(parentMap);
    // FIXME: Notify component.
  }

  /**
   * Returns the component to notify about changes.
   *
   * @return a <code>JComponent</code> object
   */
  public JComponent getComponent()
  {
    return component;
  }
}