Class AbstractDocument.ElementEdit

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.

See Also:: Serialized Form

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

All Methods Instance Methods Concrete Methods
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 Detail

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 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()