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# qproxymodel.h

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    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtGui module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QPROXYMODEL_H
    00043 #define QPROXYMODEL_H
    00044
    00045 #include <QtCore/qabstractitemmodel.h>
    00046
    00047 QT_BEGIN_HEADER
    00048
    00049 QT_BEGIN_NAMESPACE
    00050
    00051 QT_MODULE(Gui)
    00052
    00053 #ifndef QT_NO_PROXYMODEL
    00054
    00055 class QProxyModelPrivate;
    00056
    00057 class Q_GUI_EXPORT QProxyModel : public QAbstractItemModel
    00058 {
    00059     Q_OBJECT
    00060
    00061 public:
    00062     explicit QProxyModel(QObject *parent = 0);
    00063     ~QProxyModel();
    00064
    00065     virtual void setModel(QAbstractItemModel *model);
    00066     QAbstractItemModel *model() const;
    00067
    00068     // implementing model interface
    00069
    00070     QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
    00071     QModelIndex parent(const QModelIndex &child) const;
    00072
    00073     int rowCount(const QModelIndex &parent = QModelIndex()) const;
    00074     int columnCount(const QModelIndex &parent = QModelIndex()) const;
    00075     bool hasChildren(const QModelIndex &parent = QModelIndex()) const;
    00076
    00077     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    00078     bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
    00079
    00080     QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
    00081     bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value,
    00082                        int role = Qt::EditRole);
    00083
    00084     QStringList mimeTypes() const;
    00085     QMimeData *mimeData(const QModelIndexList &indexes) const;
    00086     bool dropMimeData(const QMimeData *data, Qt::DropAction action,
    00087                       int row, int column, const QModelIndex &parent);
    00088     Qt::DropActions supportedDropActions() const;
    00089
    00090     bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex());
    00091     bool insertColumns(int column, int count, const QModelIndex &parent = QModelIndex());
    00092
    00093     void fetchMore(const QModelIndex &parent);
    00094     Qt::ItemFlags flags(const QModelIndex &index) const;
    00095
    00096     void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
    00097
    00098     QModelIndexList match(const QModelIndex &start, int role, const QVariant &value,
    00099                           int hits = 1, Qt::MatchFlags flags =
    00100                           Qt::MatchFlags(Qt::MatchStartsWith|Qt::MatchWrap)) const;
    00101
    00102     QSize span(const QModelIndex &index) const;
    00103
    00104     bool submit();
    00105     void revert();
    00106
    00107 #ifdef Q_NO_USING_KEYWORD
    00108     inline QObject *parent() const { return QObject::parent(); }
    00109 #else
    00110     using QObject::parent;
    00111 #endif
    00112
    00113 protected:
    00114     QProxyModel(QProxyModelPrivate &, QObject *parent = 0);
    00115
    00116     QModelIndex setProxyModel(const QModelIndex &source_index) const;
    00117     QModelIndex setSourceModel(const QModelIndex &proxy_index) const;
    00118
    00119     void connectToModel(const QAbstractItemModel *model) const;
    00120     void disconnectFromModel(const QAbstractItemModel *model) const;
    00121
    00122 private:
    00123     Q_DECLARE_PRIVATE(QProxyModel)
    00124     Q_DISABLE_COPY(QProxyModel)
    00125
    00126     Q_PRIVATE_SLOT(d_func(), void _q_sourceDataChanged(const QModelIndex&,const QModelIndex&))
    00127     Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsAboutToBeInserted(const QModelIndex&,int,int))
    00128     Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsInserted(const QModelIndex&,int,int))
    00129     Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsAboutToBeRemoved(const QModelIndex&,int,int))
    00130     Q_PRIVATE_SLOT(d_func(), void _q_sourceRowsRemoved(const QModelIndex&,int,int))
    00131     Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsAboutToBeInserted(const QModelIndex&,int,int))
    00132     Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsInserted(const QModelIndex&,int,int))
    00133     Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsAboutToBeRemoved(const QModelIndex&,int,int))
    00134     Q_PRIVATE_SLOT(d_func(), void _q_sourceColumnsRemoved(const QModelIndex&,int,int))
    00135 };
    00136
    00137 #endif // QT_NO_PROXYMODEL
    00138
    00139 QT_END_NAMESPACE
    00140
    00141 QT_END_HEADER
    00142
    00143 #endif // QPROXYMODEL_H