| /* |
| * 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); |
| } |