1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/* This file is part of StepCore library.
Copyright (C) 2007 Vladimir Kuznetsov <ks.vladimir@gmail.com>
Copyright (C) 2014 Inge Wallin <inge@lysator.liu.se>
StepCore library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
StepCore library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with StepCore; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/** \file item.h
* \brief Contains the Ítem object.
*/
#ifndef STEPCORE_ITEM_H
#define STEPCORE_ITEM_H
#include <vector> // XXX: Replace if Qt is enabled.
#include "types.h"
#include "object.h"
#include "objecterrors.h"
namespace StepCore
{
class World;
class ItemGroup;
/** \ingroup world
* \brief The root class for any world items (bodies and forces)
*/
class Item : public Object
{
/*Q_OBJECT*/
STEPCORE_OBJECT(Item)
public:
/** Constructs Item */
Item(const QString& name = QString())
: Object(name)
, _world(NULL)
, _group(NULL)
, _objectErrors(NULL)
, _color(0xff000000) {}
/** Constructs a copy of item */
Item(const Item& item) : Object() { *this = item; }
/** Destroys Item */
virtual ~Item() { delete _objectErrors; }
/** Assignment operator (copies objectErrors if necessary) */
Item& operator=(const Item& item);
/** Set/change pointer to World in which this object lives */
virtual void setWorld(World* world) { _world = world; }
/** Get pointer to World in which this object lives */
World* world() const { return _world; }
/** Set/change pointer to ItemGroup in which this object lives */
virtual void setGroup(ItemGroup* group) { _group = group; }
/** Get pointer to ItemGroup in which this object lives */
ItemGroup* group() const { return _group; }
/** Get ObjectErrors only if it already exists */
ObjectErrors* tryGetObjectErrors() const { return _objectErrors; }
/** Get existing ObjectErrors or try to create it */
ObjectErrors* objectErrors();
/** Delete objectErrors */
void deleteObjectErrors() { delete _objectErrors; _objectErrors = NULL; }
/** Get item color (for use in GUI) */
Color color() const { return _color; }
/** Set item color (for use in GUI) */
void setColor(Color color) { _color = color; }
/** Called by the World when any item is about to be removed
* from the world
* \param item Pointer to item about to be removed
* \todo XXX rename
*/
virtual void worldItemRemoved(Item* item STEPCORE_UNUSED) {}
protected:
/** \internal Creates specific ObjectErrors-derived class
* (to be reimplemented in derived classes) */
virtual ObjectErrors* createObjectErrors() { return NULL; } // XXX: rename to createObjectVariances
private:
World* _world;
ItemGroup* _group;
ObjectErrors* _objectErrors;
Color _color;
};
/** List of pointers to Item */
typedef std::vector<Item*> ItemList;
} // namespace StepCore
#endif
|
