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#ifndef QFILESYSTEMMODEL_H

#define QFILESYSTEMMODEL_H

#include <QtCore/qabstractitemmodel.h>

#include <QtCore/qpair.h>

#include <QtCore/qdir.h>

#include <QtGui/qicon.h>

#include <QtCore/qdiriterator.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_FILESYSTEMMODEL

class ExtendedInformation;

class QFileSystemModelPrivate;

class QFileIconProvider;

class Q_GUI_EXPORT QFileSystemModel : public QAbstractItemModel

{

    Q_OBJECT

    Q_PROPERTY(bool resolveSymlinks READ resolveSymlinks WRITE setResolveSymlinks)

    Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)

    Q_PROPERTY(bool nameFilterDisables READ nameFilterDisables WRITE setNameFilterDisables)

Q_SIGNALS:

    void rootPathChanged(const QString &newPath);

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

public:

    enum Roles {

        FileIconRole = Qt::DecorationRole,

        FilePathRole = Qt::UserRole + 1,

        FileNameRole = Qt::UserRole + 2,

        FilePermissions = Qt::UserRole + 3

    };

    explicit QFileSystemModel(QObject *parent = 0);

    ~QFileSystemModel();

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

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

    QModelIndex parent(const QModelIndex &child) const;

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

    bool canFetchMore(const QModelIndex &parent) const;

    void fetchMore(const QModelIndex &parent);

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

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

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

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

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

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

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

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

    QStringList mimeTypes() const;

    QMimeData *mimeData(const QModelIndexList &indexes) const;

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

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

    Qt::DropActions supportedDropActions() const;

    // QFileSystemModel specific API

    QModelIndex setRootPath(const QString &path);

    QString rootPath() const;

    QDir rootDirectory() const;

    void setIconProvider(QFileIconProvider *provider);

    QFileIconProvider *iconProvider() const;

    void setFilter(QDir::Filters filters);

    QDir::Filters filter() const;

    void setResolveSymlinks(bool enable);

    bool resolveSymlinks() const;

    void setReadOnly(bool enable);

    bool isReadOnly() const;

    void setNameFilterDisables(bool enable);

    bool nameFilterDisables() const;

    void setNameFilters(const QStringList &filters);

    QStringList nameFilters() const;

    QString filePath(const QModelIndex &index) const;

    bool isDir(const QModelIndex &index) const;

    qint64 size(const QModelIndex &index) const;

    QString type(const QModelIndex &index) const;

    QDateTime lastModified(const QModelIndex &index) const;

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

    inline bool rmdir(const QModelIndex &index) const;

    inline QString fileName(const QModelIndex &index) const;

    inline QIcon fileIcon(const QModelIndex &index) const;

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

    inline QFileInfo fileInfo(const QModelIndex &index) const;

    bool remove(const QModelIndex &index) const;

protected:

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

    void timerEvent(QTimerEvent *event);

    bool event(QEvent *event);

private:

    Q_DECLARE_PRIVATE(QFileSystemModel)

    Q_DISABLE_COPY(QFileSystemModel)

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

    Q_PRIVATE_SLOT(d_func(), void _q_performDelayedSort())

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

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

    friend class QFileDialogPrivate;

};

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

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

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

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

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

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

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

{ return QFileInfo(filePath(aindex)); }

#endif // QT_NO_FILESYSTEMMODEL

QT_END_NAMESPACE

QT_END_HEADER

#endif // QFILESYSTEMMODEL_H