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comparison common/undo.d @ 25:8f58a8f88735

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author "David Bryant <bagnose@gmail.com>"
date Wed, 15 Jul 2009 23:49:02 +0930
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24:a24c13bb9c98 25:8f58a8f88735
1 module common.undo;
2
3 abstract class Action {
4 void undo();
5 void redo();
6 }
7
8 interface IUndoObserver {
9 void canUndo(in bool value, in string description);
10 void canRedo(in bool value, in string description);
11 }
12
13 interface IUndoManager {
14 void addAction(Action action);
15 }