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javax.swing.text

Class DefaultStyledDocument.AttributeUndoableEdit

Enclosing Class:
DefaultStyledDocument
Implemented Interfaces:
Serializable, UndoableEdit
public static class DefaultStyledDocument.AttributeUndoableEdit
extends AbstractUndoableEdit
An UndoableEdit that can undo attribute changes to an element.
See Also:
Serialized Form

Field Summary

protected AttributeSet
copy
A copy of the old attributes.
protected Element
element
The element that has changed.
protected boolean
isReplacing
If the new attributes replaced the old attributes or if they only were added to them.
protected AttributeSet
newAttributes
The new attributes.

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

AttributeUndoableEdit(Element el, AttributeSet newAtts, boolean replacing)
Creates a new AttributeUndoableEdit.

Method Summary

void
redo()
Redos an attribute change.
void
undo()
Undos the attribute change.

Methods inherited from class javax.swing.undo.AbstractUndoableEdit

addEdit, canRedo, canUndo, die, getPresentationName, getRedoPresentationName, getUndoPresentationName, isSignificant, redo, replaceEdit, toString, undo

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

copy

protected AttributeSet copy
A copy of the old attributes.

element

protected Element element
The element that has changed.

isReplacing

protected boolean isReplacing
If the new attributes replaced the old attributes or if they only were added to them.

newAttributes

protected AttributeSet newAttributes
The new attributes.

Constructor Details

AttributeUndoableEdit

public AttributeUndoableEdit(Element el,
                             AttributeSet newAtts,
                             boolean replacing)
Creates a new AttributeUndoableEdit.
Parameters:
el - the element that changes attributes
newAtts - the new attributes
replacing - if the new attributes replace the old or only append to them

Method Details

redo

public void redo()
Redos an attribute change. This adds newAttributes to the element's attribute set, possibly clearing all attributes if isReplacing is true.
Specified by:
redo in interface UndoableEdit
Overrides:
redo in interface AbstractUndoableEdit

undo

public void undo()
Undos the attribute change. The copy field is set as attributes on element.
Specified by:
undo in interface UndoableEdit
Overrides:
undo in interface AbstractUndoableEdit
DefaultStyledDocument.java -- Copyright (C) 2004, 2005 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.

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