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/* CellEditor.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

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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

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exception statement from your version. */

package javax.swing;

import java.util.EventObject;

import javax.swing.event.CellEditorListener;

import javax.swing.event.ChangeEvent;

/**

 * Provides edit capabilities for components that display cells like

 * {@link JTable}, {@link JList} and {@link JTree}.

 *

 * @author Andrew Selkirk

 */

public interface CellEditor

{

  /**

   * Returns the current value for the <code>CellEditor</code>.

   *

   * @return The value.

   */

  Object getCellEditorValue();

  /**

   * Returns <code>true</code> if the specified event makes the editor

   * editable, and <code>false</code> otherwise.

   *

   * @param event  the event.

   *

   * @return A boolean.

   */

  boolean isCellEditable(EventObject event);

  /**

   * shouldSelectCell

   * @param event TODO

   * @return boolean

   */

  boolean shouldSelectCell(EventObject event);

  /**

   * Signals to the <code>CellEditor</code> that it should stop editing,

   * accepting the current cell value, and returns <code>true</code> if the

   * editor actually stops editing, and <code>false</code> otherwise.

   *

   * @return A boolean.

   */

  boolean stopCellEditing();

  /**

   * Signals to the <code>CellEditor</code> that it should cancel editing.

   */

  void cancelCellEditing();

  /**

   * Registers a listener to receive {@link ChangeEvent} notifications from the

   * <code>CellEditor</code>.

   *

   * @param listener  the listener.

   */

  void addCellEditorListener(CellEditorListener listener);

  /**

   * Deregisters a listener so that it no longer receives {@link ChangeEvent}

   * notifications from the <code>CellEditor</code>.

   *

   * @param listener  the listener.

   */

  void removeCellEditorListener(CellEditorListener listener);

}