001 /* AccessibleExtendedTable.java -- aids in extended table access
002 Copyright (C) 2002, 2005 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
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017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038 package javax.accessibility;
039
040 /**
041 * Objects which present 2-D tables with the extension of a flat address
042 * space should implement this interface. Accessibility software can use the
043 * implementations of this interface to better manipulate the table.
044 *
045 * <p>The <code>AccessibleContext.getAccessibleTable()</code> method
046 * should return an instance of this interface only when it is supported.
047 *
048 * @author Eric Blake (ebb9@email.byu.edu)
049 * @see Accessible
050 * @see AccessibleContext
051 * @see AccessibleContext#getAccessibleTable()
052 * @since 1.2
053 * @status updated to 1.4
054 */
055 public interface AccessibleExtendedTable extends AccessibleTable
056 {
057 /**
058 * Returns the row number of an index in the table.
059 *
060 * @param index the cell index, in row-major form from (0,0)
061 * @return the row number, or -1 if out of bounds
062 */
063 int getAccessibleRow(int index);
064
065 /**
066 * Returns the column number of an index in the table.
067 *
068 * @param index the cell index, in row-major form from (0,0)
069 * @return the column number, or -1 if out of bounds
070 */
071 int getAccessibleColumn(int index);
072
073 /**
074 * Returns the cell number for a row-major address from (0,0).
075 *
076 * @param r the row
077 * @param c the column
078 * @return the cell index
079 */
080 int getAccessibleIndex(int r, int c);
081 } // interface AccessibleExtendedTable