Module java.desktop

Package javax.swing.text

Class DefaultStyledDocument.AttributeUndoableEdit

java.lang.Object

javax.swing.undo.AbstractUndoableEdit

javax.swing.text.DefaultStyledDocument.AttributeUndoableEdit

All Implemented Interfaces:

Serializable, UndoableEdit

Enclosing class:

DefaultStyledDocument

public static class DefaultStyledDocument.AttributeUndoableEdit
extends AbstractUndoableEdit

An UndoableEdit used to remember AttributeSet changes to an Element.

Field Summary

Fields

修饰符和类	Field	描述
protected AttributeSet	copy	Copy of the AttributeSet the Element contained.
protected Element	element	Affected Element.
protected boolean	isReplacing	true if all the attributes in the element were removed first.
protected AttributeSet	newAttributes	AttributeSet containing additional entries, must be non-mutable!

Fields declared in class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

Constructors

Constructor	描述
AttributeUndoableEdit(Element element, AttributeSet newAttributes, boolean isReplacing)	Constructs an AttributeUndoableEdit.

Method Summary

修饰符和类	方法	描述
void	redo()	Redoes a change.
void	undo()	Undoes a change.

Methods declared in class javax.swing.undo.AbstractUndoableEdit

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

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

newAttributes

protected AttributeSet newAttributes

AttributeSet containing additional entries, must be non-mutable!

copy

protected AttributeSet copy

Copy of the AttributeSet the Element contained.

isReplacing

protected boolean isReplacing

true if all the attributes in the element were removed first.

element

protected Element element

Affected Element.

Constructor Details

AttributeUndoableEdit

public AttributeUndoableEdit(Element element,
 AttributeSet newAttributes,
 boolean isReplacing)

Constructs an AttributeUndoableEdit.

Parameters:

element - the element

newAttributes - the new attributes

isReplacing - true if all the attributes in the element were removed first.

Method Details

redo

public void redo()
          throws CannotRedoException

Redoes a change.

Specified by:

redo in interface UndoableEdit

Overrides:

redo in class AbstractUndoableEdit

Throws:

CannotRedoException - if the change cannot be redone

See Also:

• AbstractUndoableEdit.canRedo()

undo

public void undo()
          throws CannotUndoException

Undoes a change.

Specified by:

undo in interface UndoableEdit

Overrides:

undo in class AbstractUndoableEdit

Throws:

CannotUndoException - if the change cannot be undone

See Also:

• AbstractUndoableEdit.canUndo()