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#ifndef QDIRMODEL_H

#define QDIRMODEL_H

#include <QtCore/qabstractitemmodel.h>

#include <QtCore/qdir.h>

#include <QtGui/qfileiconprovider.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_DIRMODEL

class QDirModelPrivate;

class Q_GUI_EXPORT QDirModel : public QAbstractItemModel

{

    Q_OBJECT

    Q_PROPERTY(bool resolveSymlinks READ resolveSymlinks WRITE setResolveSymlinks)

    Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)

    Q_PROPERTY(bool lazyChildCount READ lazyChildCount WRITE setLazyChildCount)

public:

    enum Roles {

        FileIconRole = Qt::DecorationRole,

        FilePathRole = Qt::UserRole + 1,

        FileNameRole

    };

    QDirModel(const QStringList &nameFilters, QDir::Filters filters,

              QDir::SortFlags sort, QObject *parent = 0);

    explicit QDirModel(QObject *parent = 0);

    ~QDirModel();

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

    QModelIndex parent(const QModelIndex &child) const;

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

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

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

    // QDirModel specific API

    void setIconProvider(QFileIconProvider *provider);

    QFileIconProvider *iconProvider() const;

    void setNameFilters(const QStringList &filters);

    QStringList nameFilters() const;

    void setFilter(QDir::Filters filters);

    QDir::Filters filter() const;

    void setSorting(QDir::SortFlags sort);

    QDir::SortFlags sorting() const;

    void setResolveSymlinks(bool enable);

    bool resolveSymlinks() const;

    void setReadOnly(bool enable);

    bool isReadOnly() const;

    void setLazyChildCount(bool enable);

    bool lazyChildCount() const;

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

    bool isDir(const QModelIndex &index) const;

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

    bool rmdir(const QModelIndex &index);

    bool remove(const QModelIndex &index);

    QString filePath(const QModelIndex &index) const;

    QString fileName(const QModelIndex &index) const;

    QIcon fileIcon(const QModelIndex &index) const;

    QFileInfo fileInfo(const QModelIndex &index) const;

#ifdef Q_NO_USING_KEYWORD

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

#else

    using QObject::parent;

#endif

public Q_SLOTS:

    void refresh(const QModelIndex &parent = QModelIndex());

protected:

    QDirModel(QDirModelPrivate &, QObject *parent = 0);

    friend class QFileDialogPrivate;

private:

    Q_DECLARE_PRIVATE(QDirModel)

    Q_DISABLE_COPY(QDirModel)

    Q_PRIVATE_SLOT(d_func(), void _q_refresh())

};

#endif // QT_NO_DIRMODEL

QT_END_NAMESPACE

QT_END_HEADER

#endif // QDIRMODEL_H