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Diffstat (limited to 'libjava/javax/swing/undo/StateEditable.java')
-rw-r--r-- | libjava/javax/swing/undo/StateEditable.java | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/libjava/javax/swing/undo/StateEditable.java b/libjava/javax/swing/undo/StateEditable.java deleted file mode 100644 index 9a7fb09545d..00000000000 --- a/libjava/javax/swing/undo/StateEditable.java +++ /dev/null @@ -1,112 +0,0 @@ -/* StateEditable.java -- Interface for collaborating with StateEdit. - Copyright (C) 2002, 2003 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package javax.swing.undo; - -import java.util.Hashtable; - - -/** - * The interface for objects whose state can be undone or redone by a - * {@link StateEdit} action. - * - * <p>The following example shows how to write a class that implements - * this interface. - * - * <pre> class Foo - * implements StateEditable - * { - * private String name; - * - * public void setName(String n) { name = n; } - * - * public void restoreState(Hashtable h) - * { - * if (h.containsKey("name")) - * setName((String) h.get("name")); - * } - * - * public void storeState(Hashtable s) - * { - * s.put("name", name); - * } - * }</pre> - * - * @see StateEdit - * - * @author Andrew Selkirk (aselkirk@sympatico.ca) - * @author Sascha Brawer (brawer@dandelis.ch) - */ -public interface StateEditable -{ - /** - * The ID of the Java source file in Sun’s Revision Control - * System (RCS). This certainly should not be part of the API - * specification. But in order to be API-compatible with - * Sun’s reference implementation, GNU Classpath also has to - * provide this field. However, we do not try to match its value. - */ - String RCSID = ""; - - - /** - * Performs an edit action, taking any editable state information - * from the specified hash table. - * - * <p><b>Note to implementors of this interface:</b> To increase - * efficiency, the <code>StateEdit</code> class {@linkplan - * StateEdit#removeRedundantState() removes redundant state - * information}. Therefore, implementations of this interface must be - * prepared for the case where certain keys were stored into the - * table by {@link #storeState}, but are not present anymore - * when the <code>restoreState</code> method gets called. - * - * @param state a hash table containing the relevant state - * information. - */ - void restoreState(Hashtable state); - - - /** - * Stores any editable state information into the specified hash - * table. - * - * @param state a hash table for storing relevant state - * information. - */ - void storeState(Hashtable state); -} |