Class Overview
An UndoableEdit used to remember AttributeSet changes to an
Element.
Summary
| Public Methods |
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void
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redo()
Redoes a change.
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void
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undo()
Undoes a change.
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[Expand]
Inherited Methods |
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From class
javax.swing.undo.AbstractUndoableEdit
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boolean
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addEdit(UndoableEdit anEdit)
This default implementation returns false.
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boolean
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canRedo()
Returns true if this edit is alive
and hasBeenDone is false.
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boolean
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canUndo()
Returns true if this edit is alive
and hasBeenDone is true.
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void
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die()
Sets alive to false.
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String
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getPresentationName()
This default implementation returns "".
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String
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getRedoPresentationName()
Retreives the value from the defaults table with key
AbstractUndoableEdit.redoText and returns
that value followed by a space, followed by
getPresentationName.
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String
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getUndoPresentationName()
Retreives the value from the defaults table with key
AbstractUndoableEdit.undoText and returns
that value followed by a space, followed by
getPresentationName.
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boolean
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isSignificant()
This default implementation returns true.
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void
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redo()
Throws CannotRedoException if canRedo
returns false.
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boolean
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replaceEdit(UndoableEdit anEdit)
This default implementation returns false.
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String
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toString()
Returns a string that displays and identifies this
object's properties.
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void
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undo()
Throws CannotUndoException if canUndo
returns false.
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From class
java.lang.Object
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Object
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clone()
Creates and returns a copy of this object.
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boolean
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equals(Object obj)
Indicates whether some other object is "equal to" this one.
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void
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finalize()
Called by the garbage collector on an object when garbage collection
determines that there are no more references to the object.
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final
Class<?>
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getClass()
Returns the runtime class of this Object.
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int
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hashCode()
Returns a hash code value for the object.
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final
void
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notify()
Wakes up a single thread that is waiting on this object's
monitor.
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final
void
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notifyAll()
Wakes up all threads that are waiting on this object's monitor.
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String
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toString()
Returns a string representation of the object.
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final
void
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wait()
Causes the current thread to wait until another thread invokes the
notify() method or the
notifyAll() method for this object. |
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final
void
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wait(long timeout, int nanos)
Causes the current thread to wait until another thread invokes the
notify() method or the
notifyAll() method for this object, or
some other thread interrupts the current thread, or a certain
amount of real time has elapsed. |
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final
void
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wait(long timeout)
Causes the current thread to wait until either another thread invokes the
notify() method or the
notifyAll() method for this object, or a
specified amount of time has elapsed. |
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From interface
javax.swing.undo.UndoableEdit
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abstract
boolean
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addEdit(UndoableEdit anEdit)
Adds an UndoableEdit to this UndoableEdit.
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abstract
boolean
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canRedo()
Returns true if this edit may be redone.
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abstract
boolean
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canUndo()
Returns true if this edit may be undone.
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abstract
void
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die()
Informs the edit that it should no longer be used.
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abstract
String
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getPresentationName()
Returns a localized, human-readable description of this edit, suitable
for use in a change log, for example.
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abstract
String
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getRedoPresentationName()
Returns a localized, human-readable description of the redoable form of
this edit, suitable for use as a Redo menu item, for example.
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abstract
String
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getUndoPresentationName()
Returns a localized, human-readable description of the undoable form of
this edit, suitable for use as an Undo menu item, for example.
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abstract
boolean
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isSignificant()
Returns true if this edit is considered significant.
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abstract
void
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redo()
Re-applies the edit.
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abstract
boolean
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replaceEdit(UndoableEdit anEdit)
Returns true if this UndoableEdit should replace
anEdit.
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abstract
void
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undo()
Undo the edit.
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Fields
protected
boolean
isReplacing
Public Constructors
public
DefaultStyledDocument.AttributeUndoableEdit
(Element element, AttributeSet newAttributes, boolean isReplacing)
Public Methods