root/OpenSceneGraph/trunk/include/osgWidget/UIObjectParent @ 13041

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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2008 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14// Code by: Jeremy Moles (cubicool) 2007-2008
15
16#ifndef OSGWIDGET_UI_OBJECT_PARENT
17#define OSGWIDGET_UI_OBJECT_PARENT
18
19#include <osg/Object>
20#include <osg/observer_ptr>
21
22namespace osgWidget {
23
24template <typename T>
25class UIObjectParent
26{
27    public:
28
29        typedef T                               object_type;
30        typedef osg::observer_ptr<object_type>  ptr_type;
31        typedef std::vector<ptr_type>           Vector;
32        typedef typename Vector::iterator       Iterator;
33        typedef typename Vector::const_iterator ConstIterator;
34
35        Iterator begin() {
36            return _objects.begin();
37        }
38
39        ConstIterator begin() const {
40            return _objects.begin();
41        }
42
43        Iterator end() {
44            return _objects.end();
45        }
46
47        ConstIterator end() const {
48            return _objects.end();
49        }
50
51        typename Vector::size_type size() const {
52            return _objects.size();
53        }
54
55        object_type* getByName(const std::string& name) {
56            return _getByName(name);
57        }
58
59        const object_type* getByName(const std::string& name) const {
60            return _getByName(name);
61        }
62
63        object_type* getByIndex(unsigned int index) {
64            return _getByIndex(index);
65        }
66
67        const object_type* getByIndex(unsigned int index) const {
68            return _getByIndex(index);
69        }
70
71        unsigned int getNumObjects() const {
72            return _objects.size();
73        }
74
75        Vector& getObjects() {
76            return _objects;
77        }
78
79        const Vector& getObjects() const {
80            return _objects;
81        }
82
83    protected:
84
85        bool _remove(object_type* obj) {
86            Iterator i = std::find(begin(), end(), obj);
87
88            if(i == end()) return false;
89
90            _objects.erase(i);
91
92            return true;
93        }
94
95        bool _removeByName(const std::string& name) {
96            for(Iterator i = begin(); i != end(); i++) if(i->get()->getName() == name) {
97                _objects.erase(i);
98
99                return true;
100            }
101
102            return false;
103        }
104
105        Vector _objects;
106
107    private:
108
109        // I had to add this to avoid ambiguity errors with MSVC. Garbage.
110        object_type* _getByName(const std::string& name) const {
111            for(ConstIterator i = begin(); i != end(); i++) {
112                if(i->valid() && i->get()->getName() == name) return i->get();
113            }
114
115            return 0;
116        }
117
118        object_type* _getByIndex(unsigned int index) const {
119            for(ConstIterator i = begin(); i != end(); i++) {
120                if(i->valid() && i->get()->getIndex() == index) return i->get();
121            }
122
123            return 0;
124        }
125
126};
127
128}
129
130#endif
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