001/* AccessibleTableModelChange.java -- describes change to an accessible table
002   Copyright (C) 2002, 2005  Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
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007it under the terms of the GNU General Public License as published by
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009any later version.
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014General Public License for more details.
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01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
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036exception statement from your version. */
037
038
039package 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 */
054public 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