jdk/src/share/classes/javax/swing/SingleSelectionModel.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/javax/swing/SingleSelectionModel.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,77 @@
+/*
+ * Copyright 1997-2002 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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);
+}