1 | /* |
2 | Copyright (c) 2009 Kevin Ottens <ervin@kde.org> |
3 | |
4 | This library is free software; you can redistribute it and/or modify it |
5 | under the terms of the GNU Library General Public License as published by |
6 | the Free Software Foundation; either version 2 of the License, or (at your |
7 | option) any later version. |
8 | |
9 | This library is distributed in the hope that it will be useful, but WITHOUT |
10 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
11 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
12 | 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 the |
16 | Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
17 | 02110-1301, USA. |
18 | */ |
19 | |
20 | #ifndef AKONADI_STATISTICSPROXYMODEL_H |
21 | #define AKONADI_STATISTICSPROXYMODEL_H |
22 | |
23 | #include "akonadi_export.h" |
24 | |
25 | #include <QSortFilterProxyModel> |
26 | |
27 | namespace Akonadi { |
28 | |
29 | /** |
30 | * @short A proxy model that exposes collection statistics through extra columns. |
31 | * |
32 | * This class can be used on top of an EntityTreeModel to display extra columns |
33 | * summarizing statistics of collections. |
34 | * |
35 | * @code |
36 | * |
37 | * Akonadi::EntityTreeModel *model = new Akonadi::EntityTreeModel( ... ); |
38 | * |
39 | * Akonadi::StatisticsProxyModel *proxy = new Akonadi::StatisticsProxyModel(); |
40 | * proxy->setSourceModel( model ); |
41 | * |
42 | * Akonadi::EntityTreeView *view = new Akonadi::EntityTreeView( this ); |
43 | * view->setModel( proxy ); |
44 | * |
45 | * @endcode |
46 | * |
47 | * @author Kevin Ottens <ervin@kde.org> |
48 | * @since 4.4 |
49 | * @deprecated use the one in kdepim, which is much faster |
50 | */ |
51 | class AKONADI_DEPRECATED_EXPORT StatisticsProxyModel : public QSortFilterProxyModel |
52 | { |
53 | Q_OBJECT |
54 | |
55 | public: |
56 | /** |
57 | * Creates a new statistics proxy model. |
58 | * |
59 | * @param parent The parent object. |
60 | */ |
61 | explicit StatisticsProxyModel(QObject *parent = 0); |
62 | |
63 | /** |
64 | * Destroys the statistics proxy model. |
65 | */ |
66 | virtual ~StatisticsProxyModel(); |
67 | |
68 | /** |
69 | * @param enable Display tooltips |
70 | */ |
71 | void setToolTipEnabled(bool enable); |
72 | |
73 | /** |
74 | * Return true if we display tooltips, otherwise false |
75 | */ |
76 | bool isToolTipEnabled() const; |
77 | |
78 | /** |
79 | * @param enable Display extra statistics columns |
80 | */ |
81 | void setExtraColumnsEnabled(bool enable); |
82 | |
83 | /** |
84 | * Return true if we display extra statistics columns, otherwise false |
85 | */ |
86 | bool isExtraColumnsEnabled() const; |
87 | |
88 | virtual QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const; |
89 | virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const; |
90 | virtual QVariant (int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const; |
91 | virtual Qt::ItemFlags flags(const QModelIndex &index) const; |
92 | virtual int columnCount(const QModelIndex &parent = QModelIndex()) const; |
93 | |
94 | virtual QModelIndexList match(const QModelIndex &start, int role, const QVariant &value, int hits = 1, |
95 | Qt::MatchFlags flags = Qt::MatchFlags(Qt::MatchStartsWith | Qt::MatchWrap)) const; |
96 | |
97 | virtual void setSourceModel(QAbstractItemModel *sourceModel); |
98 | virtual void connectNotify(const char *signal); |
99 | |
100 | private: |
101 | //@cond PRIVATE |
102 | class Private; |
103 | Private *const d; |
104 | |
105 | Q_PRIVATE_SLOT(d, void proxyDataChanged(QModelIndex, QModelIndex)) |
106 | Q_PRIVATE_SLOT(d, void sourceLayoutAboutToBeChanged()) |
107 | Q_PRIVATE_SLOT(d, void sourceLayoutChanged()) |
108 | //@endcond |
109 | }; |
110 | |
111 | } |
112 | |
113 | #endif |
114 | |