source: src/Actions/ActionHistory.hpp

Candidate_v1.6.1
Last change on this file was 6367dd, checked in by Frederik Heber <heber@…>, 11 years ago

ActionHistory now is part of ActionQueue.

  • Property mode set to 100644
File size: 1.2 KB
Line 
1/*
2 * ActionHistory.hpp
3 *
4 * Created on: Mar 25, 2010
5 * Author: crueger
6 */
7
8#ifndef ACTIONHISTORY_HPP_
9#define ACTIONHISTORY_HPP_
10
11// include config.h
12#ifdef HAVE_CONFIG_H
13#include <config.h>
14#endif
15
16#include <deque>
17
18#include "Actions/Action.hpp"
19#include "Actions/RedoAction.hpp"
20#include "Actions/UndoAction.hpp"
21
22namespace MoleCuilder {
23
24class ActionHistory
25{
26 struct HistoryElement {
27 HistoryElement(Action *_action, ActionState::ptr _state) :
28 action(_action),
29 state(_state)
30 {}
31 Action *action;
32 ActionState::ptr state;
33 };
34
35public:
36 ActionHistory();
37 ~ActionHistory();
38
39 void undoLast();
40 void redoLast();
41
42 bool hasUndo();
43 bool hasRedo();
44
45 void addElement(Action*,ActionState::ptr);
46 void clear();
47
48private:
49 std::deque<HistoryElement> history;
50 std::deque<HistoryElement> yrotsih;
51
52public:
53 // when constructing the actions we need the Actionregistry Singleton
54 // Singletons need static variables to work, but we cannot access statics
55 // inside a static initialization, so we have this init function that
56 // needs to be called at a non-static point at the start of the program
57// static void init();
58};
59
60}
61
62#endif /* ACTIONHISTORY_HPP_ */
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