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author | Andrew Haley <aph@redhat.com> | 2016-09-30 16:24:48 +0000 |
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committer | Andrew Haley <aph@gcc.gnu.org> | 2016-09-30 16:24:48 +0000 |
commit | 07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch) | |
tree | 3f22b3241c513ad168c8353805614ae1249410f4 /libjava/classpath/javax/swing/undo/AbstractUndoableEdit.java | |
parent | eae993948bae8b788c53772bcb9217c063716f93 (diff) | |
download | gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.zip gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.tar.gz gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.tar.bz2 |
Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com>
* Makefile.def: Remove libjava.
* Makefile.tpl: Likewise.
* Makefile.in: Regenerate.
* configure.ac: Likewise.
* configure: Likewise.
* gcc/java: Remove.
* libjava: Likewise.
From-SVN: r240662
Diffstat (limited to 'libjava/classpath/javax/swing/undo/AbstractUndoableEdit.java')
-rw-r--r-- | libjava/classpath/javax/swing/undo/AbstractUndoableEdit.java | 323 |
1 files changed, 0 insertions, 323 deletions
diff --git a/libjava/classpath/javax/swing/undo/AbstractUndoableEdit.java b/libjava/classpath/javax/swing/undo/AbstractUndoableEdit.java deleted file mode 100644 index fc58660..0000000 --- a/libjava/classpath/javax/swing/undo/AbstractUndoableEdit.java +++ /dev/null @@ -1,323 +0,0 @@ -/* AbstractUndoableEdit.java -- - Copyright (C) 2002, 2003, 2004 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.io.Serializable; - -import javax.swing.UIManager; - -/** - * A default implementation of <code>UndoableEdit</code> that can be - * used as a base for implementing editing operations. - * - * @author Andrew Selkirk (aselkirk@sympatico.ca) - * @author Sascha Brawer (brawer@dandelis.ch) - */ -public class AbstractUndoableEdit - implements UndoableEdit, Serializable -{ - /** - * The serialization ID. Verified using the <code>serialver</code> - * tool of Apple/Sun JDK 1.3.1 on MacOS X 10.1.5, and Sun JDK - * 1.4.1_01 on GNU/Linux. - */ - static final long serialVersionUID = 580150227676302096L; - - - /** - * The constant string “Undo”, which was returned by - * {@link #getUndoPresentationName()} on early versions of the - * platform. However, this field has become obsolete with version - * 1.3.1. That method now retrieves a localized string from the - * {@link javax.swing.UIManager}, using the key - * <code>“AbstractUndoableEdit.undoText”</code>. - */ - protected static final String UndoName = "Undo"; - - - /** - * The constant string “Redo”, which was returned by - * {@link #getRedoPresentationName()} on early versions of the - * platform. However, this field has become obsolete with version - * 1.3.1. That method now retrieves a localized string from the - * {@link javax.swing.UIManager}, using the key - * <code>“AbstractUndoableEdit.redoText”</code>. - */ - protected static final String RedoName = "Redo"; - - - /** - * Indicates whether this editing action has been executed. A value - * of <code>true</code> means that the action was performed, or that - * a redo operation was successful. A value of <code>false</code> - * means that the action has not yet performed, or that an undo - * operation was successful. - */ - private boolean hasBeenDone; - - - /** - * Indicates whether this editing action is still alive. The value - * is set to <code>true</code> by the constructor, and to - * <code>false</code> by the {@link #die()} method. - */ - private boolean alive; - - - /** - * Constructs a new <code>AbstractUndoableEdit</code>. The initial - * state is that the editing action is alive, and - * <code>hasBeenDone</code> is <code>true</code>. - */ - public AbstractUndoableEdit() - { - // The API specification is not clear, but Mauve test code has - // determined that hasBeenDone is initially set to true. - alive = hasBeenDone = true; - } - - - /** - * Undoes this editing action. - * - * @throws CannotUndoException if {@link #canUndo()} returns - * <code>false</code>, for example because this action has already - * been undone. - * - * @see #canUndo() - * @see #redo() - */ - public void undo() - throws CannotUndoException - { - if (!canUndo()) - throw new CannotUndoException(); - hasBeenDone = false; - } - - - /** - * Determines whether it would be possible to undo this editing - * action. - * - * @return <code>true</code> to indicate that this action can be - * undone, <code>false</code> otherwise. - * - * @see #undo() - * @see #canRedo() - */ - public boolean canUndo() - { - return alive && hasBeenDone; - } - - - /** - * Redoes this editing action. - * - * @throws CannotRedoException if {@link #canRedo()} returns - * <code>false</code>, for example because this action has not - * yet been undone. - * - * @see #canRedo() - * @see #undo() - */ - public void redo() - throws CannotRedoException - { - if (!canRedo()) - throw new CannotRedoException(); - hasBeenDone = true; - } - - - /** - * Determines whether it would be possible to redo this editing - * action. - * - * @return <code>true</code> to indicate that this action can be - * redone, <code>false</code> otherwise. - * - * @see #redo() - * @see #canUndo() - */ - public boolean canRedo() - { - return alive && !hasBeenDone; - } - - - /** - * Informs this edit action that it will no longer be used. Some - * actions might use this information to release resources, for - * example open files. Called by {@link UndoManager} before this - * action is removed from the edit queue. - */ - public void die() - { - alive = false; - } - - - /** - * Incorporates another editing action into this one, thus forming a - * combined action. - * - * <p>The default implementation always returns <code>false</code>, - * indicating that the editing action could not be incorporated. - * - * @param edit the editing action to be incorporated. - */ - public boolean addEdit(UndoableEdit edit) - { - return false; - } - - - /** - * Incorporates another editing action into this one, thus forming a - * combined action that replaces the argument action. - * - * <p>The default implementation always returns <code>false</code>, - * indicating that the argument action should not be replaced. - * - * @param edit the editing action to be replaced. - */ - public boolean replaceEdit(UndoableEdit edit) - { - return false; - } - - - /** - * Determines whether this editing action is significant enough for - * being seperately undoable by the user. A typical significant - * action would be the resizing of an object. However, changing the - * selection in a text document would usually not be considered - * significant. - * - * <p>The default implementation returns <code>true</code>. - * - * @return <code>true</code> to indicate that the action is - * significant enough for being separately undoable, or - * <code>false</code> otherwise. - */ - public boolean isSignificant() - { - return true; - } - - - /** - * Returns a human-readable, localized name that describes this - * editing action and can be displayed to the user. - * - * <p>The default implementation returns an empty string. - */ - public String getPresentationName() - { - return ""; - } - - - /** - * Calculates a localized name for presenting the undo action to the - * user. - * - * <p>The default implementation returns the concatenation of the - * string “Undo” and the action name, which is - * determined by calling {@link #getPresentationName()}. - * - * <p>The string “Undo” is retrieved from the {@link - * javax.swing.UIManager}, using the key - * <code>“AbstractUndoableEdit.undoText”</code>. This - * allows the text to be localized. - */ - public String getUndoPresentationName() - { - String msg, pres; - - msg = UIManager.getString("AbstractUndoableEdit.undoText"); - if (msg == null) - msg = UndoName; - - pres = getPresentationName(); - if ((pres == null) || (pres.length() == 0)) - return msg; - else - return msg + ' ' + pres; - } - - - /** - * Calculates a localized name for presenting the redo action to the - * user. - * - * <p>The default implementation returns the concatenation of the - * string “Redo” and the action name, which is - * determined by calling {@link #getPresentationName()}. - * - * <p>The string “Redo” is retrieved from the {@link - * javax.swing.UIManager}, using the key - * <code>“AbstractUndoableEdit.redoText”</code>. This - * allows the text to be localized. - */ - public String getRedoPresentationName() - { - String msg, pres; - - msg = UIManager.getString("AbstractUndoableEdit.redoText"); - if (msg == null) - msg = RedoName; - - pres = getPresentationName(); - if ((pres == null) || (pres.length() == 0)) - return msg; - else - return msg + ' ' + pres; - } - - - public String toString() - { - return super.toString() - + " hasBeenDone: " + hasBeenDone - + " alive: " + alive; - } -} |