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.

Fields

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructors

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

Methods

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()