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+/* AccessibleSelection.java -- aids in accessibly selecting components
+   Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.accessibility;
+
+/**
+ * If an object implements this interface then it must be able to control
+ * the selection of its children. Accessibility software can use the
+ * implementations of this interface to change the selection set of children.
+ *
+ * <p>The <code>AccessibleContext.getAccessibleSelection()</code> method should
+ * return <code>null</code> if an object does not implement this interface.
+ *
+ * @author Eric Blake <ebb9@email.byu.edu>
+ * @see Accessible
+ * @see AccessibleContext
+ * @see AccessibleContext#getAccessibleSelection()
+ * @since 1.2
+ * @status updated to 1.4
+ */
+public interface AccessibleSelection
+{
+  /**
+   * Returns the number of currently selected Accessible children, which may
+   * be 0 if nothing is selected.
+   *
+   * @return the number of selected children
+   */
+  int getAccessibleSelectionCount();
+
+  /**
+   * Returns the i-th selected child (not necessarily the overall i-th child)
+   * of this Accessible object. If i is out of bounds, null is returned.
+   *
+   * @param i zero-based index of selected child objects
+   * @return the Accessible child, or null
+   * @see #getAccessibleSelectionCount()
+   */
+  Accessible getAccessibleSelection(int i);
+
+  /**
+   * Determine if i-th overall child of this accessible object is selected.
+   * If i is out of bounds, false is returned.
+   *
+   * @param i zero-based index of child objects
+   * @return true if specified child exists and is selected
+   */
+  boolean isAccessibleChildSelected(int i);
+
+  /**
+   * Select the specified child if it is not already selected, placing it in
+   * the object's current selection. If the object does not support multiple
+   * selections then the new selection replaces the old. If the specified
+   * child is already selected, or is out of bounds, this method does nothing.
+   *
+   * @param i zero-based index of child objects
+   */
+  void addAccessibleSelection(int i);
+
+  /**
+   * Unselect the specified child of this Accessible object. If the specified
+   * child is not selected, or is out of bounds, this method does nothing.
+   *
+   * @param i the zero-based index of the child objects
+   */
+  void removeAccessibleSelection(int i);
+
+  /**
+   * Unselect all children of this Accessible object.
+   */
+  void clearAccessibleSelection();
+
+  /**
+   * Select all children of this Accessible object if the object supports
+   * multiple selections or has a single child. Otherwise this does nothing.
+   */
+  void selectAllAccessibleSelection();
+} // interface AccessibleSelection