javax.swing.text
Class StringContent.InsertUndo

java.lang.Object
  javax.swing.undo.AbstractUndoableEdit
      javax.swing.text.StringContent.InsertUndo

All Implemented Interfaces:

Serializable, UndoableEdit

Enclosing class:

StringContent

class StringContent.InsertUndo

extends AbstractUndoableEdit

UnoableEdit created for inserts.

Field Summary

protected int	length
protected int	offset
protected Vector	posRefs
protected String	string

Fields inherited from class javax.swing.undo.AbstractUndoableEdit

RedoName, UndoName

Constructor Summary

protected

StringContent.InsertUndo(int offset, int length)

Method Summary

void	redo() Throws CannotRedoException if canRedo returns false.
void	undo() Throws CannotUndoException if canUndo returns false.

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

offset

protected int offset

length

protected int length

string

protected String string

posRefs

protected Vector posRefs

Constructor Detail

StringContent.InsertUndo

protected StringContent.InsertUndo(int offset,
                                   int length)

Method Detail

undo

public void undo()
          throws CannotUndoException

Description copied from class: AbstractUndoableEdit

Throws CannotUndoException if canUndo returns false. Sets hasBeenDone to false. Subclasses should override to undo the operation represented by this edit. Override should begin with a call to super.

Specified by:

undo in interface UndoableEdit

Overrides:

undo in class AbstractUndoableEdit

Throws:

CannotUndoException - if canUndo returns false

See Also:

AbstractUndoableEdit.canUndo()

redo

public void redo()
          throws CannotRedoException

Description copied from class: AbstractUndoableEdit

Throws CannotRedoException if canRedo returns false. Sets hasBeenDone to true. Subclasses should override to redo the operation represented by this edit. Override should begin with a call to super.

Specified by:

redo in interface UndoableEdit

Overrides:

redo in class AbstractUndoableEdit

Throws:

CannotRedoException - if canRedo returns false

See Also:

AbstractUndoableEdit.canRedo()