src/sql/models/qsqltablemodel_p.h

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  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