src/sql/models/qsqltablemodel_p.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtSql module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
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    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
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    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
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    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
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    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #ifndef QSQLTABLEMODEL_P_H
       
    43 #define QSQLTABLEMODEL_P_H
       
    44 
       
    45 //
       
    46 //  W A R N I N G
       
    47 //  -------------
       
    48 //
       
    49 // This file is not part of the Qt API.  It exists for the convenience
       
    50 // of qsql*model.h .  This header file may change from version to version
       
    51 // without notice, or even be removed.
       
    52 //
       
    53 // We mean it.
       
    54 //
       
    55 
       
    56 #include "QtCore/qmap.h"
       
    57 #include "private/qsqlquerymodel_p.h"
       
    58 
       
    59 QT_BEGIN_NAMESPACE
       
    60 
       
    61 class QSqlTableModelPrivate: public QSqlQueryModelPrivate
       
    62 {
       
    63     Q_DECLARE_PUBLIC(QSqlTableModel)
       
    64 
       
    65 public:
       
    66     QSqlTableModelPrivate()
       
    67         : editIndex(-1), insertIndex(-1), sortColumn(-1),
       
    68           sortOrder(Qt::AscendingOrder),
       
    69           strategy(QSqlTableModel::OnRowChange)
       
    70     {}
       
    71     void clear();
       
    72     QSqlRecord primaryValues(int index);
       
    73     virtual void clearEditBuffer();
       
    74     virtual void clearCache();
       
    75     QSqlRecord record(const QVector<QVariant> &values) const;
       
    76 
       
    77     bool exec(const QString &stmt, bool prepStatement,
       
    78               const QSqlRecord &rec, const QSqlRecord &whereValues = QSqlRecord());
       
    79     virtual void revertCachedRow(int row);
       
    80     void revertInsertedRow();
       
    81     bool setRecord(int row, const QSqlRecord &record);
       
    82     virtual int nameToIndex(const QString &name) const;
       
    83     void initRecordAndPrimaryIndex();
       
    84 
       
    85     QSqlDatabase db;
       
    86     int editIndex;
       
    87     int insertIndex;
       
    88 
       
    89     int sortColumn;
       
    90     Qt::SortOrder sortOrder;
       
    91 
       
    92     QSqlTableModel::EditStrategy strategy;
       
    93 
       
    94     QSqlQuery editQuery;
       
    95     QSqlIndex primaryIndex;
       
    96     QString tableName;
       
    97     QString filter;
       
    98 
       
    99     enum Op { None, Insert, Update, Delete };
       
   100 
       
   101     struct ModifiedRow
       
   102     {
       
   103         ModifiedRow(Op o = None, const QSqlRecord &r = QSqlRecord()): op(o), rec(r) {}
       
   104         ModifiedRow(const ModifiedRow &other): op(other.op), rec(other.rec), primaryValues(other.primaryValues) {}
       
   105         Op op;
       
   106         QSqlRecord rec;
       
   107 		QSqlRecord primaryValues;
       
   108     };
       
   109 
       
   110     QSqlRecord editBuffer;
       
   111 
       
   112     typedef QMap<int, ModifiedRow> CacheMap;
       
   113     CacheMap cache;
       
   114 };
       
   115 
       
   116 QT_END_NAMESPACE
       
   117 
       
   118 #endif // QSQLTABLEMODEL_P_H