1 /* TextEvent.java -- event for text changes 2 Copyright (C) 1999, 2002, 2005 Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath. 5 6 GNU Classpath is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU Classpath is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU Classpath; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA. 20 21 Linking this library statically or dynamically with other modules is 22 making a combined work based on this library. Thus, the terms and 23 conditions of the GNU General Public License cover the whole 24 combination. 25 26 As a special exception, the copyright holders of this library give you 27 permission to link this library with independent modules to produce an 28 executable, regardless of the license terms of these independent 29 modules, and to copy and distribute the resulting executable under 30 terms of your choice, provided that you also meet, for each linked 31 independent module, the terms and conditions of the license of that 32 module. An independent module is a module which is not derived from 33 or based on this library. If you modify this library, you may extend 34 this exception to your version of the library, but you are not 35 obligated to do so. If you do not wish to do so, delete this 36 exception statement from your version. */ 37 38 39 package java.awt.event; 40 41 import java.awt.AWTEvent; 42 import java.awt.TextComponent; 43 44 /** 45 * This event is generated when a text box changes contents. This is an 46 * abstraction that distills a large number of individual mouse or keyboard 47 * events into a simpler "text changed" event. 48 * 49 * @author Aaron M. Renn (arenn@urbanophile.com) 50 * @see TextComponent 51 * @see TextListener 52 * @since 1.1 53 * @status updated to 1.4 54 */ 55 public class TextEvent extends AWTEvent 56 { 57 /** 58 * Compatible with JDK 1.1+. 59 */ 60 private static final long serialVersionUID = 6269902291250941179L; 61 62 /** This is the first id in the range of event ids used by this class. */ 63 public static final int TEXT_FIRST = 900; 64 65 /** This is the last id in the range of event ids used by this class. */ 66 public static final int TEXT_LAST = 900; 67 68 /** This event id indicates that the text of an object has changed. */ 69 public static final int TEXT_VALUE_CHANGED = 900; 70 71 /** 72 * Initializes a new instance of <code>TextEvent</code> with the specified 73 * source and id. Note that an invalid id leads to unspecified results. 74 * 75 * @param source the (TextComponent) object that generated this event 76 * @param id the event id 77 * @throws IllegalArgumentException if source is null 78 */ TextEvent(Object source, int id)79 public TextEvent(Object source, int id) 80 { 81 super(source, id); 82 } 83 84 /** 85 * Returns a string identifying this event. This is "TEXT_VALUE_CHANGED". 86 * 87 * @return a string identifying this event 88 */ paramString()89 public String paramString() 90 { 91 return id == TEXT_VALUE_CHANGED ? "TEXT_VALUE_CHANGED" : "unknown type"; 92 } 93 } // class TextEvent 94