1 /*
2 -----------------------------------------------------------------------------
3 This source file is part of OGRE
4 (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org/
6 
7 Copyright (c) 2000-2013 Torus Knot Software Ltd
8 
9 Permission is hereby granted, free of charge, to any person obtaining a copy
10 of this software and associated documentation files (the "Software"), to deal
11 in the Software without restriction, including without limitation the rights
12 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 copies of the Software, and to permit persons to whom the Software is
14 furnished to do so, subject to the following conditions:
15 
16 The above copyright notice and this permission notice shall be included in
17 all copies or substantial portions of the Software.
18 
19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 THE SOFTWARE.
26 -----------------------------------------------------------------------------
27 */
28 #ifndef _SELECTIONSERVICE_H_
29 #define _SELECTIONSERVICE_H_
30 
31 #include "OgreSingleton.h"
32 
33 #include "EventContainer.h"
34 
35 namespace boost
36 {
37 	class any;
38 }
39 
40 typedef std::list<boost::any> SelectionList;
41 
42 class SelectionService : public Ogre::Singleton<SelectionService>, public EventContainer
43 {
44 public:
45 	enum SelectionEvent
46 	{
47 		SelectionChanged
48 	};
49 
50 	SelectionService();
51 	virtual ~SelectionService();
52 
53 	const SelectionList& getSelection() const;
54 	void setSelection(boost::any& sel);
55 	void setSelection(const SelectionList& sel);
56 
57 	/** Override standard Singleton retrieval.
58 	@remarks
59 	Why do we do this? Well, it's because the Singleton
60 	implementation is in a .h file, which means it gets compiled
61 	into anybody who includes it. This is needed for the
62 	Singleton template to work, but we actually only want it
63 	compiled into the implementation of the class based on the
64 	Singleton, not all of them. If we don't change this, we get
65 	link errors when trying to use the Singleton-based class from
66 	an outside dll.
67 	@par
68 	This method just delegates to the template version anyway,
69 	but the implementation stays in this single compilation unit,
70 	preventing link errors.
71 	*/
72 	static SelectionService& getSingleton(void);
73 
74 	/** Override standard Singleton retrieval.
75 	@remarks
76 	Why do we do this? Well, it's because the Singleton
77 	implementation is in a .h file, which means it gets compiled
78 	into anybody who includes it. This is needed for the
79 	Singleton template to work, but we actually only want it
80 	compiled into the implementation of the class based on the
81 	Singleton, not all of them. If we don't change this, we get
82 	link errors when trying to use the Singleton-based class from
83 	an outside dll.
84 	@par
85 	This method just delegates to the template version anyway,
86 	but the implementation stays in this single compilation unit,
87 	preventing link errors.
88 	*/
89 	static SelectionService* getSingletonPtr(void);
90 
91 protected:
92 	void registerEvents();
93 
94 	SelectionList mSelection;
95 };
96 
97 
98 
99 #endif _SELECTIONSERVICE_H_