1 | /* This file is part of the KDE project |
2 | Copyright 2007 Stefan Nikolaus <stefan.nikolaus@kdemail.net> |
3 | |
4 | This library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2 of the License, or (at your option) any later version. |
8 | |
9 | This library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Library General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Library General Public License |
15 | along with this library; see the file COPYING.LIB. If not, write to |
16 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 | Boston, MA 02110-1301, USA. |
18 | */ |
19 | |
20 | #ifndef CALLIGRA_SHEETS_BINDING |
21 | #define CALLIGRA_SHEETS_BINDING |
22 | |
23 | #include <QSharedDataPointer> |
24 | #include <QVariant> |
25 | |
26 | #include "Region.h" |
27 | |
28 | #include "calligra_sheets_export.h" |
29 | |
30 | class QAbstractItemModel; |
31 | |
32 | namespace Calligra |
33 | { |
34 | namespace Sheets |
35 | { |
36 | |
37 | /** |
38 | * Abstracts read-only access to the ValueStorage. |
39 | * Useful for KChart (or other apps, that want read-only access to KSpread's data). |
40 | * |
41 | * If a cell in the region is updated, the BindingManager informs this Binding, which |
42 | * in turn informs the model it holds. |
43 | */ |
44 | class CALLIGRA_SHEETS_ODF_EXPORT Binding |
45 | { |
46 | public: |
47 | Binding(); |
48 | explicit Binding(const Region& region); |
49 | Binding(const Binding& other); |
50 | ~Binding(); |
51 | |
52 | bool isEmpty() const; |
53 | |
54 | QAbstractItemModel* model() const; |
55 | |
56 | const Region& region() const; |
57 | void setRegion(const Region& region); |
58 | |
59 | void update(const Region& region); |
60 | |
61 | void operator=(const Binding& other); |
62 | bool operator==(const Binding& other) const; |
63 | bool operator<(const Binding& other) const; |
64 | |
65 | private: |
66 | class Private; |
67 | QExplicitlySharedDataPointer<Private> d; |
68 | }; |
69 | |
70 | } // namespace Sheets |
71 | } // namespace Calligra |
72 | |
73 | Q_DECLARE_METATYPE(Calligra::Sheets::Binding) |
74 | Q_DECLARE_TYPEINFO(Calligra::Sheets::Binding, Q_MOVABLE_TYPE); |
75 | |
76 | #endif // CALLIGRA_SHEETS_BINDING |
77 | |