/* ColorSelectionModel.java --
   Copyright (C) 2002, 2004, 2006,  Free Software Foundation, Inc.

This file is part of GNU Classpath.

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permission to link this library with independent modules to produce an
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package javax.swing.colorchooser;

import java.awt.Color;

import javax.swing.JColorChooser;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

/**
 * A model that is used by the {@link JColorChooser} component to represent the
 * selected color.
 * 
 * @author	Andrew Selkirk
 */
public interface ColorSelectionModel 
{

  /**
   * Returns the selected color.
   * 
   * @return The selected color.
   */
  Color getSelectedColor();

  /**
   * Sets the selected color.
   * 
   * @param color  the selected color.
   */
  void setSelectedColor(Color color);

  /**
   * Registers a listener to receive {@link ChangeEvent} notifications
   * from this model.
   * 
   * @param listener  the listener.
   */
  void addChangeListener(ChangeListener listener);

  /**
   * Deregisters a listener so that it no longer receives {@link ChangeEvent} 
   * notifications from this action.
   *
   * @param listener  the listener.
   */
  void removeChangeListener(ChangeListener listener);

}