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annotate 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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1 module common.undo;
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2
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3 abstract class Action {
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4 void undo();
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5 void redo();
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6 }
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7
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8 interface IUndoObserver {
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9 void canUndo(in bool value, in string description);
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10 void canRedo(in bool value, in string description);
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11 }
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12
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13 interface IUndoManager {
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14 void addAction(Action action);
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15 }