--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/javax/swing/plaf/ListUI.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,84 @@
+/*
+ * Copyright 1997-2006 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.plaf;
+
+import javax.swing.JList;
+import java.awt.Point;
+import java.awt.Rectangle;
+
+
+/**
+ * The {@code JList} pluggable look and feel delegate.
+ *
+ * @author Hans Muller
+ */
+
+public abstract class ListUI extends ComponentUI
+{
+    /**
+     * Returns the cell index in the specified {@code JList} closest to the
+     * given location in the list's coordinate system. To determine if the
+     * cell actually contains the specified location, compare the point against
+     * the cell's bounds, as provided by {@code getCellBounds}.
+     * This method returns {@code -1} if the list's model is empty.
+     *
+     * @param list the list
+     * @param location the coordinates of the point
+     * @return the cell index closest to the given location, or {@code -1}
+     * @throws NullPointerException if {@code location} is null
+     */
+    public abstract int locationToIndex(JList list, Point location);
+
+
+    /**
+     * Returns the origin in the given {@code JList}, of the specified item,
+     * in the list's coordinate system.
+     * Returns {@code null} if the index isn't valid.
+     *
+     * @param list the list
+     * @param index the cell index
+     * @return the origin of the cell, or {@code null}
+     */
+    public abstract Point indexToLocation(JList list, int index);
+
+
+    /**
+     * Returns the bounding rectangle, in the given list's coordinate system,
+     * for the range of cells specified by the two indices.
+     * The indices can be supplied in any order.
+     * <p>
+     * If the smaller index is outside the list's range of cells, this method
+     * returns {@code null}. If the smaller index is valid, but the larger
+     * index is outside the list's range, the bounds of just the first index
+     * is returned. Otherwise, the bounds of the valid range is returned.
+     *
+     * @param list the list
+     * @param index1 the first index in the range
+     * @param index2 the second index in the range
+     * @return the bounding rectangle for the range of cells, or {@code null}
+     */
+    public abstract Rectangle getCellBounds(JList list, int index1, int index2);
+}