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# qdirmodel.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 QDIRMODEL_H
    00043 #define QDIRMODEL_H
    00044
    00045 #include <QtCore/qabstractitemmodel.h>
    00046 #include <QtCore/qdir.h>
    00047 #include <QtGui/qfileiconprovider.h>
    00048
    00049 QT_BEGIN_HEADER
    00050
    00051 QT_BEGIN_NAMESPACE
    00052
    00053 QT_MODULE(Gui)
    00054
    00055 #ifndef QT_NO_DIRMODEL
    00056
    00057 class QDirModelPrivate;
    00058
    00059 class Q_GUI_EXPORT QDirModel : public QAbstractItemModel
    00060 {
    00061     Q_OBJECT
    00062     Q_PROPERTY(bool resolveSymlinks READ resolveSymlinks WRITE setResolveSymlinks)
    00063     Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)
    00064     Q_PROPERTY(bool lazyChildCount READ lazyChildCount WRITE setLazyChildCount)
    00065
    00066 public:
    00067     enum Roles {
    00068         FileIconRole = Qt::DecorationRole,
    00069         FilePathRole = Qt::UserRole + 1,
    00070         FileNameRole
    00071     };
    00072
    00073     QDirModel(const QStringList &nameFilters, QDir::Filters filters,
    00074               QDir::SortFlags sort, QObject *parent = 0);
    00075     explicit QDirModel(QObject *parent = 0);
    00076     ~QDirModel();
    00077
    00078     QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
    00079     QModelIndex parent(const QModelIndex &child) const;
    00080
    00081     int rowCount(const QModelIndex &parent = QModelIndex()) const;
    00082     int columnCount(const QModelIndex &parent = QModelIndex()) const;
    00083
    00084     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    00085     bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
    00086
    00087     QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
    00088
    00089     bool hasChildren(const QModelIndex &index = QModelIndex()) const;
    00090     Qt::ItemFlags flags(const QModelIndex &index) const;
    00091
    00092     void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
    00093
    00094     QStringList mimeTypes() const;
    00095     QMimeData *mimeData(const QModelIndexList &indexes) const;
    00096     bool dropMimeData(const QMimeData *data, Qt::DropAction action,
    00097                       int row, int column, const QModelIndex &parent);
    00098     Qt::DropActions supportedDropActions() const;
    00099
    00100     // QDirModel specific API
    00101
    00102     void setIconProvider(QFileIconProvider *provider);
    00103     QFileIconProvider *iconProvider() const;
    00104
    00105     void setNameFilters(const QStringList &filters);
    00106     QStringList nameFilters() const;
    00107
    00108     void setFilter(QDir::Filters filters);
    00109     QDir::Filters filter() const;
    00110
    00111     void setSorting(QDir::SortFlags sort);
    00112     QDir::SortFlags sorting() const;
    00113
    00114     void setResolveSymlinks(bool enable);
    00115     bool resolveSymlinks() const;
    00116
    00117     void setReadOnly(bool enable);
    00118     bool isReadOnly() const;
    00119
    00120     void setLazyChildCount(bool enable);
    00121     bool lazyChildCount() const;
    00122
    00123     QModelIndex index(const QString &path, int column = 0) const;
    00124
    00125     bool isDir(const QModelIndex &index) const;
    00126     QModelIndex mkdir(const QModelIndex &parent, const QString &name);
    00127     bool rmdir(const QModelIndex &index);
    00128     bool remove(const QModelIndex &index);
    00129
    00130     QString filePath(const QModelIndex &index) const;
    00131     QString fileName(const QModelIndex &index) const;
    00132     QIcon fileIcon(const QModelIndex &index) const;
    00133     QFileInfo fileInfo(const QModelIndex &index) const;
    00134
    00135 #ifdef Q_NO_USING_KEYWORD
    00136     inline QObject *parent() const { return QObject::parent(); }
    00137 #else
    00138     using QObject::parent;
    00139 #endif
    00140
    00141 public Q_SLOTS:
    00142     void refresh(const QModelIndex &parent = QModelIndex());
    00143
    00144 protected:
    00145     QDirModel(QDirModelPrivate &, QObject *parent = 0);
    00146     friend class QFileDialogPrivate;
    00147
    00148 private:
    00149     Q_DECLARE_PRIVATE(QDirModel)
    00150     Q_DISABLE_COPY(QDirModel)
    00151     Q_PRIVATE_SLOT(d_func(), void _q_refresh())
    00152 };
    00153
    00154 #endif // QT_NO_DIRMODEL
    00155
    00156 QT_END_NAMESPACE
    00157
    00158 QT_END_HEADER
    00159
    00160 #endif // QDIRMODEL_H