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     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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    16 ** GNU Lesser General Public License Usage

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    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QPROXYMODEL_H

    43 #define QPROXYMODEL_H

    44 

    45 #include <QtCore/qabstractitemmodel.h>

    46 

    47 QT_BEGIN_HEADER

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 QT_MODULE(Gui)

    52 

    53 #ifndef QT_NO_PROXYMODEL

    54 

    55 class QProxyModelPrivate;

    56 

    57 class Q_GUI_EXPORT QProxyModel : public QAbstractItemModel

    58 {

    59     Q_OBJECT

    60 

    61 public:

    62     explicit QProxyModel(QObject *parent = 0);

    63     ~QProxyModel();

    64 

    65     virtual void setModel(QAbstractItemModel *model);

    66     QAbstractItemModel *model() const;

    67 

    68     // implementing model interface

    69 

    70     QModelIndex index(int row, int column, const QModelIndex &parent) const;

    71     QModelIndex parent(const QModelIndex &child) const;

    72 

    73     int rowCount(const QModelIndex &parent) const;

    74     int columnCount(const QModelIndex &parent) const;

    75     bool hasChildren(const QModelIndex &parent) const;

    76 

    77     QVariant data(const QModelIndex &index, int role) const;

    78     bool setData(const QModelIndex &index, const QVariant &value, int role);

    79 

    80     QVariant headerData(int section, Qt::Orientation orientation, int role) const;

    81     bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value,

    82                        int role);

    83 

    84     QStringList mimeTypes() const;

    85     QMimeData *mimeData(const QModelIndexList &indexes) const;

    86     bool dropMimeData(const QMimeData *data, Qt::DropAction action,

    87                       int row, int column, const QModelIndex &parent);

    88     Qt::DropActions supportedDropActions() const;

    89 

    90     bool insertRows(int row, int count, const QModelIndex &parent);

    91     bool insertColumns(int column, int count, const QModelIndex &parent);

    92 

    93     void fetchMore(const QModelIndex &parent);

    94     Qt::ItemFlags flags(const QModelIndex &index) const;

    95 

    96     void sort(int column, Qt::SortOrder order);

    97 

    98     QModelIndexList match(const QModelIndex &start, int role, const QVariant &value,

    99                           int hits, Qt::MatchFlags flags) const;

   100 

   101     QSize span(const QModelIndex &index) const;

   102 

   103     bool submit();

   104     void revert();

   105 

   106 #ifdef Q_NO_USING_KEYWORD

   107     inline QObject *parent() const { return QObject::parent(); }

   108 #else

   109     using QObject::parent;

   110 #endif

   111 

   112 protected:

   113     QProxyModel(QProxyModelPrivate &, QObject *parent = 0);

   114 

   115     QModelIndex setProxyModel(const QModelIndex &source_index) const;

   116     QModelIndex setSourceModel(const QModelIndex &proxy_index) const;

   117 

   118     void connectToModel(const QAbstractItemModel *model) const;

   119     void disconnectFromModel(const QAbstractItemModel *model) const;

   120 

   121 private:

   122     Q_DECLARE_PRIVATE(QProxyModel)

   123     Q_DISABLE_COPY(QProxyModel)

   124 

   125     Q_PRIVATE_SLOT(d_func(), void _q_sourceDataChanged(const QModelIndex&,const QModelIndex&))

   126     Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsAboutToBeInserted(const QModelIndex&,int,int))

   127     Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsInserted(const QModelIndex&,int,int))

   128     Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsAboutToBeRemoved(const QModelIndex&,int,int))

   129     Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsRemoved(const QModelIndex&,int,int))

   130     Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsAboutToBeInserted(const QModelIndex&,int,int))

   131     Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsInserted(const QModelIndex&,int,int))

   132     Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsAboutToBeRemoved(const QModelIndex&,int,int))

   133     Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsRemoved(const QModelIndex&,int,int))

   134 };

   135 

   136 #endif // QT_NO_PROXYMODEL

   137 

   138 QT_END_NAMESPACE

   139 

   140 QT_END_HEADER

   141 

   142 #endif // QPROXYMODEL_H