1 /*
2  *  The ManaPlus Client
3  *  Copyright (C) 2011-2019  The ManaPlus Developers
4  *  Copyright (C) 2019-2021  Andrei Karas
5  *
6  *  This file is part of The ManaPlus Client.
7  *
8  *  This program is free software; you can redistribute it and/or modify
9  *  it under the terms of the GNU General Public License as published by
10  *  the Free Software Foundation; either version 2 of the License, or
11  *  any later version.
12  *
13  *  This program is distributed in the hope that it will be useful,
14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *  GNU General Public License for more details.
17  *
18  *  You should have received a copy of the GNU General Public License
19  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
20  */
21 
22 /*      _______   __   __   __   ______   __   __   _______   __   __
23  *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
24  *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
25  *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
26  *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
27  * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
28  * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
29  *
30  * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
31  *
32  *
33  * Per Larsson a.k.a finalman
34  * Olof Naessén a.k.a jansem/yakslem
35  *
36  * Visit: http://guichan.sourceforge.net
37  *
38  * License: (BSD)
39  * Redistribution and use in source and binary forms, with or without
40  * modification, are permitted provided that the following conditions
41  * are met:
42  * 1. Redistributions of source code must retain the above copyright
43  *    notice, this list of conditions and the following disclaimer.
44  * 2. Redistributions in binary form must reproduce the above copyright
45  *    notice, this list of conditions and the following disclaimer in
46  *    the documentation and/or other materials provided with the
47  *    distribution.
48  * 3. Neither the name of Guichan nor the names of its contributors may
49  *    be used to endorse or promote products derived from this software
50  *    without specific prior written permission.
51  *
52  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
58  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
59  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
60  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
61  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
62  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63  */
64 
65 #ifndef GUI_MODELS_LISTMODEL_H
66 #define GUI_MODELS_LISTMODEL_H
67 
68 #include <string>
69 
70 #include "localconsts.h"
71 
72 /**
73   * An interface for a model that represents a list. It is
74   * used in certain widgets, like the ListBox, to handle a
75   * lists with string elements. If you want to use widgets
76   * like ListBox, make a derived class from this class that
77   * represents your list.
78   */
79 class ListModel notfinal
80 {
81     public:
ListModel()82         ListModel()
83         { }
84 
A_DELETE_COPY(ListModel)85         A_DELETE_COPY(ListModel)
86 
87         /**
88           * Destructor.
89           */
90         virtual ~ListModel()
91         { }
92 
93         /**
94           * Gets the number of elements in the list.
95           *
96           * @return The number of elements in the list
97           */
98         virtual int getNumberOfElements() A_WARN_UNUSED = 0;
99 
100         /**
101           * Gets an element at a certain index in the list.
102           *
103           * @param i An index in the list.
104           * @return An element as a string at the a certain index.
105           */
106         virtual std::string getElementAt(int i) A_WARN_UNUSED = 0;
107 };
108 
109 #endif  // GUI_MODELS_LISTMODEL_H
110