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Swing 1.1.1 |
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java.lang.Object | +--javax.swing.undo.AbstractUndoableEdit
An abstract implementation of UndoableEdit, implementing simple responses to all boolean methods in that interface.
| Field Summary | |
protected static String |
RedoName
String returned by getRedoPresentationName() |
protected static String |
UndoName
String returned by getUndoPresentationName() |
| Constructor Summary | |
AbstractUndoableEdit()
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| Method Summary | |
boolean |
addEdit(UndoableEdit anEdit)
This default implementation returns false. |
boolean |
canRedo()
Returns true if this edit is alive and hasBeenDone is false. |
boolean |
canUndo()
Returns true if this edit is alive and hasBeenDone is true. |
void |
die()
Sets alive to false. |
String |
getPresentationName()
This default implementation returns "". |
String |
getRedoPresentationName()
If getPresentationName() returns "", returns AbstractUndoableEdit.RedoName. |
String |
getUndoPresentationName()
If getPresentationName() returns "", returns AbstractUndoableEdit.UndoName. |
boolean |
isSignificant()
This default implementation returns true. |
void |
redo()
Throws CannotRedoException if canRedo() returns false. |
boolean |
replaceEdit(UndoableEdit anEdit)
This default implementation returns false. |
String |
toString()
Returns a string that displays and identifies this object's properties. |
void |
undo()
Throws CannotUndoException if canUndo() returns false. |
| Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
wait,
wait,
wait |
| Field Detail |
protected static final String UndoName
protected static final String RedoName
| Constructor Detail |
public AbstractUndoableEdit()
| Method Detail |
public void die()
public void undo()
throws CannotUndoException
canUndo()public boolean canUndo()
die(),
undo(),
redo()
public void redo()
throws CannotRedoException
canRedo()public boolean canRedo()
die(),
undo(),
redo()public boolean addEdit(UndoableEdit anEdit)
UndoableEdit.addEdit(javax.swing.undo.UndoableEdit)public boolean replaceEdit(UndoableEdit anEdit)
UndoableEdit.replaceEdit(javax.swing.undo.UndoableEdit)public boolean isSignificant()
UndoableEdit.isSignificant()public String getPresentationName()
getUndoPresentationName(),
getRedoPresentationName()public String getUndoPresentationName()
getPresentationName()public String getRedoPresentationName()
getPresentationName()public String toString()
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Swing 1.1.1 |
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