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Class com.sun.java.swing.text.AbstractDocument.ElementEdit

java.lang.Object
  |
  +--com.sun.java.swing.undo.AbstractUndoableEdit
        |
        +--com.sun.java.swing.text.AbstractDocument.ElementEdit

public static class AbstractDocument.ElementEdit

extends AbstractUndoableEdit

implements DocumentEvent.ElementChange

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

Fields inherited from class com.sun.java.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 com.sun.java.swing.undo.AbstractUndoableEdit

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

Methods inherited from class java.lang.Object

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

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.

Throws:

CannotRedoException - if the change cannot be redone

Overrides:

redo in class AbstractUndoableEdit

undo

public void undo()
         throws CannotUndoException

Undoes a change.

Throws:

CannotUndoException - if the change cannot be undone

Overrides:

undo in class AbstractUndoableEdit