qfilesystemmodel.h
上传用户:detong
上传日期:2022-06-22
资源大小:20675k
文件大小:7k
- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtGui module of the Qt Toolkit.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 3.0 as published by the Free
- ** Software Foundation and appearing in the file LICENSE.GPL included in
- ** the packaging of this file. Please review the following information
- ** to ensure GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
- **
- ** Qt for Windows(R) Licensees
- ** As a special exception, Nokia, as the sole copyright holder for Qt
- ** Designer, grants users of the Qt/Eclipse Integration plug-in the
- ** right for the Qt/Eclipse Integration to link to functionality
- ** provided by Qt Designer and its related libraries.
- **
- ** If you are unsure which license is appropriate for your use, please
- ** contact the sales department at qt-sales@nokia.com.
- **
- ****************************************************************************/
- #ifndef QFILESYSTEMMODEL_H
- #define QFILESYSTEMMODEL_H
- #include <QtCore/qabstractitemmodel.h>
- #include <QtCore/qpair.h>
- #include <QtCore/qdir.h>
- #include <QtGui/qicon.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;
- inline 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))
- };
- 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)); }
- inline bool QFileSystemModel::remove(const QModelIndex &aindex) const
- { if (isDir(aindex)) return rmdir(aindex); else return QFile::remove(filePath(aindex)); }
- #endif // QT_NO_FILESYSTEMMODEL
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QFILESYSTEMMODEL_H