78 lines
2.5 KiB
Java
78 lines
2.5 KiB
Java
/*
|
|
* Copyright (c) 1997, 2002, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle in the LICENSE file that accompanied this code.
|
|
*
|
|
* This code 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
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package javax.swing;
|
|
|
|
import javax.swing.event.*;
|
|
|
|
/**
|
|
* A model that supports at most one indexed selection.
|
|
*
|
|
* @author Dave Moore
|
|
*/
|
|
public interface SingleSelectionModel {
|
|
/**
|
|
* Returns the model's selection.
|
|
*
|
|
* @return the model's selection, or -1 if there is no selection
|
|
* @see #setSelectedIndex
|
|
*/
|
|
public int getSelectedIndex();
|
|
|
|
/**
|
|
* Sets the model's selected index to <I>index</I>.
|
|
*
|
|
* Notifies any listeners if the model changes
|
|
*
|
|
* @param index an int specifying the model selection
|
|
* @see #getSelectedIndex
|
|
* @see #addChangeListener
|
|
*/
|
|
public void setSelectedIndex(int index);
|
|
|
|
/**
|
|
* Clears the selection (to -1).
|
|
*/
|
|
public void clearSelection();
|
|
|
|
/**
|
|
* Returns true if the selection model currently has a selected value.
|
|
* @return true if a value is currently selected
|
|
*/
|
|
public boolean isSelected();
|
|
|
|
/**
|
|
* Adds <I>listener</I> as a listener to changes in the model.
|
|
* @param listener the ChangeListener to add
|
|
*/
|
|
void addChangeListener(ChangeListener listener);
|
|
|
|
/**
|
|
* Removes <I>listener</I> as a listener to changes in the model.
|
|
* @param listener the ChangeListener to remove
|
|
*/
|
|
void removeChangeListener(ChangeListener listener);
|
|
}
|