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    41 

    42 #ifndef QFILESYSTEMMODEL_H

    43 #define QFILESYSTEMMODEL_H

    44 

    45 #include <QtCore/qabstractitemmodel.h>

    46 #include <QtCore/qpair.h>

    47 #include <QtCore/qdir.h>

    48 #include <QtGui/qicon.h>

    49 #include <QtCore/qdiriterator.h>

    50 

    51 QT_BEGIN_HEADER

    52 

    53 QT_BEGIN_NAMESPACE

    54 

    55 QT_MODULE(Gui)

    56 

    57 #ifndef QT_NO_FILESYSTEMMODEL

    58 

    59 class ExtendedInformation;

    60 class QFileSystemModelPrivate;

    61 class QFileIconProvider;

    62 

    63 class Q_GUI_EXPORT QFileSystemModel : public QAbstractItemModel

    64 {

    65     Q_OBJECT

    66     Q_PROPERTY(bool resolveSymlinks READ resolveSymlinks WRITE setResolveSymlinks)

    67     Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)

    68     Q_PROPERTY(bool nameFilterDisables READ nameFilterDisables WRITE setNameFilterDisables)

    69 

    70 Q_SIGNALS:

    71     void rootPathChanged(const QString &newPath);

    72     void fileRenamed(const QString &path, const QString &oldName, const QString &newName);

    73 

    74 public:

    75     enum Roles {

    76         FileIconRole = Qt::DecorationRole,

    77         FilePathRole = Qt::UserRole + 1,

    78         FileNameRole = Qt::UserRole + 2,

    79         FilePermissions = Qt::UserRole + 3

    80     };

    81 

    82     explicit QFileSystemModel(QObject *parent = 0);

    83     ~QFileSystemModel();

    84 

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

    86     QModelIndex index(const QString &path, int column = 0) const;

    87     QModelIndex parent(const QModelIndex &child) const;

    88     bool hasChildren(const QModelIndex &parent = QModelIndex()) const;

    89     bool canFetchMore(const QModelIndex &parent) const;

    90     void fetchMore(const QModelIndex &parent);

    91 

    92     int rowCount(const QModelIndex &parent = QModelIndex()) const;

    93     int columnCount(const QModelIndex &parent = QModelIndex()) const;

    94 

    95     QVariant myComputer(int role = Qt::DisplayRole) const;

    96     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;

    97     bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);

    98 

    99     QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;

   100 

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

   102 

   103     void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);

   104 

   105     QStringList mimeTypes() const;

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

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

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

   109     Qt::DropActions supportedDropActions() const;

   110 

   111     // QFileSystemModel specific API

   112     QModelIndex setRootPath(const QString &path);

   113     QString rootPath() const;

   114     QDir rootDirectory() const;

   115 

   116     void setIconProvider(QFileIconProvider *provider);

   117     QFileIconProvider *iconProvider() const;

   118 

   119     void setFilter(QDir::Filters filters);

   120     QDir::Filters filter() const;

   121 

   122     void setResolveSymlinks(bool enable);

   123     bool resolveSymlinks() const;

   124 

   125     void setReadOnly(bool enable);

   126     bool isReadOnly() const;

   127 

   128     void setNameFilterDisables(bool enable);

   129     bool nameFilterDisables() const;

   130 

   131     void setNameFilters(const QStringList &filters);

   132     QStringList nameFilters() const;

   133 

   134     QString filePath(const QModelIndex &index) const;

   135     bool isDir(const QModelIndex &index) const;

   136     qint64 size(const QModelIndex &index) const;

   137     QString type(const QModelIndex &index) const;

   138     QDateTime lastModified(const QModelIndex &index) const;

   139 

   140     QModelIndex mkdir(const QModelIndex &parent, const QString &name);

   141     inline bool rmdir(const QModelIndex &index) const;

   142     inline QString fileName(const QModelIndex &index) const;

   143     inline QIcon fileIcon(const QModelIndex &index) const;

   144     QFile::Permissions permissions(const QModelIndex &index) const;

   145     inline QFileInfo fileInfo(const QModelIndex &index) const;

   146     bool remove(const QModelIndex &index) const;

   147 

   148 protected:

   149     QFileSystemModel(QFileSystemModelPrivate &, QObject *parent = 0);

   150     void timerEvent(QTimerEvent *event);

   151     bool event(QEvent *event);

   152 

   153 private:

   154     Q_DECLARE_PRIVATE(QFileSystemModel)

   155     Q_DISABLE_COPY(QFileSystemModel)

   156 

   157     Q_PRIVATE_SLOT(d_func(), void _q_directoryChanged(const QString &directory, const QStringList &list))

   158     Q_PRIVATE_SLOT(d_func(), void _q_performDelayedSort())

   159     Q_PRIVATE_SLOT(d_func(), void _q_fileSystemChanged(const QString &path, const QList<QPair<QString, QFileInfo> > &))

   160     Q_PRIVATE_SLOT(d_func(), void _q_resolvedName(const QString &fileName, const QString &resolvedName))

   161 

   162     friend class QFileDialogPrivate;

   163 };

   164 

   165 inline bool QFileSystemModel::rmdir(const QModelIndex &aindex) const

   166 { QDir dir; return dir.rmdir(filePath(aindex)); }

   167 inline QString QFileSystemModel::fileName(const QModelIndex &aindex) const

   168 { return aindex.data(Qt::DisplayRole).toString(); }

   169 inline QIcon QFileSystemModel::fileIcon(const QModelIndex &aindex) const

   170 { return qvariant_cast<QIcon>(aindex.data(Qt::DecorationRole)); }

   171 inline QFileInfo QFileSystemModel::fileInfo(const QModelIndex &aindex) const

   172 { return QFileInfo(filePath(aindex)); }

   173 

   174 #endif // QT_NO_FILESYSTEMMODEL

   175 

   176 QT_END_NAMESPACE

   177 

   178 QT_END_HEADER

   179 

   180 #endif // QFILESYSTEMMODEL_H

   181