1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtSql module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef QSQLQUERYMODEL_H 43 #define QSQLQUERYMODEL_H 44 45 #include <QtCore/qabstractitemmodel.h> 46 #include <QtSql/qsqldatabase.h> 47 48 QT_BEGIN_HEADER 49 50 QT_BEGIN_NAMESPACE 51 52 QT_MODULE(Sql) 53 54 class QSqlQueryModelPrivate; 55 class QSqlError; 56 class QSqlRecord; 57 class QSqlQuery; 58 59 class Q_SQL_EXPORT QSqlQueryModel: public QAbstractTableModel 60 { 61 Q_OBJECT 62 Q_DECLARE_PRIVATE(QSqlQueryModel) 63 64 public: 65 explicit QSqlQueryModel(QObject *parent = 0); 66 virtual ~QSqlQueryModel(); 67 68 int rowCount(const QModelIndex &parent = QModelIndex()) const; 69 int columnCount(const QModelIndex &parent = QModelIndex()) const; 70 QSqlRecord record(int row) const; 71 QSqlRecord record() const; 72 73 QVariant data(const QModelIndex &item, int role = Qt::DisplayRole) const; 74 QVariant headerData(int section, Qt::Orientation orientation, 75 int role = Qt::DisplayRole) const; 76 bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, 77 int role = Qt::EditRole); 78 79 bool insertColumns(int column, int count, const QModelIndex &parent = QModelIndex()); 80 bool removeColumns(int column, int count, const QModelIndex &parent = QModelIndex()); 81 82 void setQuery(const QSqlQuery &query); 83 void setQuery(const QString &query, const QSqlDatabase &db = QSqlDatabase()); 84 QSqlQuery query() const; 85 86 virtual void clear(); 87 88 QSqlError lastError() const; 89 90 void fetchMore(const QModelIndex &parent = QModelIndex()); 91 bool canFetchMore(const QModelIndex &parent = QModelIndex()) const; 92 93 protected: 94 virtual void queryChange(); 95 96 QModelIndex indexInQuery(const QModelIndex &item) const; 97 void setLastError(const QSqlError &error); 98 QSqlQueryModel(QSqlQueryModelPrivate &dd, QObject *parent = 0); 99 }; 100 101 QT_END_NAMESPACE 102 103 QT_END_HEADER 104 105 #endif // QSQLQUERYMODEL_H 106