001    /* AccessibleTableModelChange.java -- describes change to an accessible table
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.
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014    General Public License for more details.
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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    
039    package javax.accessibility;
040    
041    /**
042     * Describes a change to an accessible table. Accessibility software can use
043     * the implementations of this interface to update their state after a
044     * change to a table.
045     *
046     * @author Eric Blake (ebb9@email.byu.edu)
047     * @see Accessible
048     * @see AccessibleContext
049     * @see AccessibleContext#getAccessibleTable()
050     * @see AccessibleTable
051     * @since 1.2
052     * @status updated to 1.4
053     */
054    public interface AccessibleTableModelChange
055    {
056      /** Identifies insertion of rows or columns. */
057      int INSERT = 1;
058    
059      /** Identifies change to existing data. */
060      int UPDATE = 0;
061    
062      /** Identifies deletion of rows or columns. */
063      int DELETE = -1;
064    
065      /**
066       * Returns the change type.
067       *
068       * @return the type
069       * @see #INSERT
070       * @see #UPDATE
071       * @see #DELETE
072       */
073      int getType();
074    
075      /**
076       * Returns the first row that changed.
077       *
078       * @return the 0-based index of the first row to change
079       */
080      int getFirstRow();
081    
082      /**
083       * Returns the last row that changed.
084       *
085       * @return the 0-based index of the last row to change
086       */
087      int getLastRow();
088    
089      /**
090       * Returns the first column that changed.
091       *
092       * @return the 0-based index of the first column to change
093       */
094      int getFirstColumn();
095    
096      /**
097       * Returns the last column that changed.
098       *
099       * @return the 0-based index of the last column to change
100       */
101      int getLastColumn();
102    } // interface AccessibleTableModelChange