Java tutorial
/* * Copyright (c) 1997, 2014, Oracle and/or its affiliates. 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.swing.event; import java.util.EventObject; import javax.swing.table.*; /** * <B>TableColumnModelEvent</B> is used to notify listeners that a table * column model has changed, such as a column was added, removed, or * moved. * <p> * <strong>Warning:</strong> * Serialized objects of this class will not be compatible with * future Swing releases. The current serialization support is * appropriate for short term storage or RMI between applications running * the same version of Swing. As of 1.4, support for long term storage * of all JavaBeans™ * has been added to the <code>java.beans</code> package. * Please see {@link java.beans.XMLEncoder}. * * @author Alan Chung * @see TableColumnModelListener */ @SuppressWarnings("serial") // Same-version serialization only public class TableColumnModelEvent extends java.util.EventObject { // // Instance Variables // /** The index of the column from where it was moved or removed */ protected int fromIndex; /** The index of the column to where it was moved or added */ protected int toIndex; // // Constructors // /** * Constructs a {@code TableColumnModelEvent} object. * * @param source the {@code TableColumnModel} that originated the event * @param from an int specifying the index from where the column was * moved or removed * @param to an int specifying the index to where the column was * moved or added * @see #getFromIndex * @see #getToIndex */ public TableColumnModelEvent(TableColumnModel source, int from, int to) { super(source); fromIndex = from; toIndex = to; } // // Querying Methods // /** * Returns the fromIndex. Valid for removed or moved events * * @return int value for index from which the column was moved or removed */ public int getFromIndex() { return fromIndex; }; /** * Returns the toIndex. Valid for add and moved events * * @return int value of column's new index */ public int getToIndex() { return toIndex; }; }