1 /*
2  Copyright (C) 2010-2014 Kristian Duske
3 
4  This file is part of TrenchBroom.
5 
6  TrenchBroom is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
11  TrenchBroom is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15 
16  You should have received a copy of the GNU General Public License
17  along with TrenchBroom. If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef TrenchBroom_Command
21 #define TrenchBroom_Command
22 
23 #include "StringUtils.h"
24 #include "SharedPointer.h"
25 #include "View/ViewTypes.h"
26 
27 #include <vector>
28 
29 namespace TrenchBroom {
30     namespace View {
31         class MapDocumentCommandFacade;
32 
33         class Command {
34         public:
35             typedef size_t CommandType;
36             typedef std::shared_ptr<Command> Ptr;
37 
38             typedef enum {
39                 CommandState_Default,
40                 CommandState_Doing,
41                 CommandState_Done,
42                 CommandState_Undoing
43             } CommandState;
44         protected:
45             CommandType m_type;
46             CommandState m_state;
47             String m_name;
48         public:
49             static CommandType freeType();
50 
51             Command(CommandType type, const String& name);
52             virtual ~Command();
53 
54             CommandType type() const;
55             CommandState state() const;
56             const String& name() const;
57 
58             virtual bool performDo(MapDocumentCommandFacade* document);
59         private:
60             virtual bool doPerformDo(MapDocumentCommandFacade* document) = 0;
61         };
62     }
63 }
64 
65 #endif /* defined(TrenchBroom_Command) */
66