javax.swing.text
Class AbstractDocument.ElementEdit

java.lang.Object
  javax.swing.undo.AbstractUndoableEdit
      javax.swing.text.AbstractDocument.ElementEdit

All Implemented Interfaces:

DocumentEvent.ElementChange, Serializable, 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.

See Also:

Serialized Form

Field Summary

private Element[]	added
private Element	e
private int	index
private Element[]	removed

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

AbstractDocument.ElementEdit(Element e, int index, Element[] removed, Element[] added)
Constructs an edit record.

Method Summary

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 inherited from class javax.swing.undo.AbstractUndoableEdit

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

Methods inherited from class java.lang.Object

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

Field Detail

e

private Element e

index

private int index

removed

private Element[] removed

added

private Element[] added

Constructor Detail

AbstractDocument.ElementEdit

public AbstractDocument.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 Detail

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()