java.lang.Object

javax.swing.undo.AbstractUndoableEdit

javax.swing.text.AbstractDocument.ElementEdit

All Implemented Interfaces:: Serializable, DocumentEvent.ElementChange, UndoableEdit

Enclosing class:: AbstractDocument

public static class AbstractDocument.ElementEdit extends AbstractUndoableEdit implements DocumentEvent.ElementChange

An implementation of ElementChange that can be added to the document event.

Field Summary

Fields declared in class javax.swing.undo.AbstractUndoableEdit
RedoName, UndoName
Constructor Summary

Constructors

Constructor

Description

ElementEdit(Element e, int index, Element[] removed, Element[] added)

Constructs an edit record.
Method Summary

Modifier and Type

Method

Description

Element[]

getChildrenAdded()

Gets a list of children that were added.

Element[]

getChildrenRemoved()

Gets a list of children that were removed.

Element

getElement()

Returns the underlying element.

int

getIndex()

Returns the index into the list of elements.

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

Constructor Details
- ElementEdit
  
  public ElementEdit(Element e, int index, Element[] removed, Element[] added)
  
  Constructs an edit record. This does not modify the element so it can safely be used to catch up a view to the current model state for views that just attached to a model.
  
  Parameters:
  
  e - the element
  
  index - the index into the model >= 0
  
  removed - a set of elements that were removed
  
  added - a set of elements that were added
Method Details
- getElement
  
  public Element getElement()
  
  Returns the underlying element.
  
  Specified by:
  
  getElement in interface DocumentEvent.ElementChange
  
  Returns:
  
  the element
- getIndex
  
  public int getIndex()
  
  Returns the index into the list of elements.
  
  Specified by:
  
  getIndex in interface DocumentEvent.ElementChange
  
  Returns:
  
  the index >= 0
- getChildrenRemoved
  
  public Element[] getChildrenRemoved()
  
  Gets a list of children that were removed.
  
  Specified by:
  
  getChildrenRemoved in interface DocumentEvent.ElementChange
  
  Returns:
  
  the list
- getChildrenAdded
  
  public Element[] getChildrenAdded()
  
  Gets a list of children that were added.
  
  Specified by:
  
  getChildrenAdded in interface DocumentEvent.ElementChange
  
  Returns:
  
  the list
- 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()

Class AbstractDocument.ElementEdit

Field Summary

Fields declared in class javax.swing.undo.AbstractUndoableEdit

Constructor Summary

Method Summary

Methods declared in class javax.swing.undo.AbstractUndoableEdit

Methods declared in class java.lang.Object

Constructor Details

ElementEdit

Method Details

getElement

getIndex

getChildrenRemoved

getChildrenAdded

redo

undo