DefaultStyledDocument.AttributeUndoableEdit (Java SE 17 & JDK 17)

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

Modifier and Type

Field

Description

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

Description

AttributeUndoableEdit(Element element, AttributeSet newAttributes, boolean isReplacing)

Constructs an AttributeUndoableEdit.
Method Summary

Modifier and Type

Method

Description

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()