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package javax.swing.plaf.basic;

import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.event.KeyListener;
import javax.swing.JList;


The interface which defines the methods required for the implementation of the popup
portion of a combo box.

Warning:
Serialized objects of this class will not be compatible with
future Swing releases. The current serialization support is
appropriate for short term storage or RMI between applications running
the same version of Swing.  As of 1.4, support for long term storage
of all JavaBeans™
has been added to the java.beans package. Please see XMLEncoder. 
Author:
Tom Santos/**
 * The interface which defines the methods required for the implementation of the popup
 * portion of a combo box.
 * <p>
 * <strong>Warning:</strong>
 * Serialized objects of this class will not be compatible with
 * future Swing releases. The current serialization support is
 * appropriate for short term storage or RMI between applications running
 * the same version of Swing.  As of 1.4, support for long term storage
 * of all JavaBeans&trade;
 * has been added to the <code>java.beans</code> package.
 * Please see {@link java.beans.XMLEncoder}.
 *
 * @author Tom Santos
 */
@SuppressWarnings("serial") // Same-version serialization only
public interface ComboPopup {
    
Shows the popup
/**
     * Shows the popup
     */
    public void show();

    
Hides the popup
/**
     * Hides the popup
     */
    public void hide();

    
Returns true if the popup is visible (currently being displayed).
Returns:
true if the component is visible; false otherwise./**
     * Returns true if the popup is visible (currently being displayed).
     *
     * @return <code>true</code> if the component is visible; <code>false</code> otherwise.
     */
    public boolean isVisible();

    
Returns the list that is being used to draw the items in the combo box.
This method is highly implementation specific and should not be used
for general list manipulation.
Returns:
the list that is being used to draw the items in the combo box/**
     * Returns the list that is being used to draw the items in the combo box.
     * This method is highly implementation specific and should not be used
     * for general list manipulation.
     *
     * @return the list that is being used to draw the items in the combo box
     */
    public JList<Object> getList();

    
Returns a mouse listener that will be added to the combo box or null.
If this method returns null then it will not be added to the combo box.
Returns:
a MouseListener or null/**
     * Returns a mouse listener that will be added to the combo box or null.
     * If this method returns null then it will not be added to the combo box.
     *
     * @return a <code>MouseListener</code> or null
     */
    public MouseListener getMouseListener();

    
Returns a mouse motion listener that will be added to the combo box or null.
If this method returns null then it will not be added to the combo box.
Returns:
a MouseMotionListener or null/**
     * Returns a mouse motion listener that will be added to the combo box or null.
     * If this method returns null then it will not be added to the combo box.
     *
     * @return a <code>MouseMotionListener</code> or null
     */
    public MouseMotionListener getMouseMotionListener();

    
Returns a key listener that will be added to the combo box or null.
If this method returns null then it will not be added to the combo box.
Returns:
a key listener that will be added to the combo box or null/**
     * Returns a key listener that will be added to the combo box or null.
     * If this method returns null then it will not be added to the combo box.
     *
     * @return a key listener that will be added to the combo box or null
     */
    public KeyListener getKeyListener();

    
Called to inform the ComboPopup that the UI is uninstalling.
If the ComboPopup added any listeners in the component, it should remove them here.
/**
     * Called to inform the ComboPopup that the UI is uninstalling.
     * If the ComboPopup added any listeners in the component, it should remove them here.
     */
    public void uninstallingUI();
}