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39
40 #ifndef QFILESYSTEMMODEL_H
41 #define QFILESYSTEMMODEL_H
42
43 #include <QtWidgets/qtwidgetsglobal.h>
44 #include <QtCore/qabstractitemmodel.h>
45 #include <QtCore/qpair.h>
46 #include <QtCore/qdir.h>
47 #include <QtGui/qicon.h>
48 #include <QtCore/qdiriterator.h>
49
50 QT_REQUIRE_CONFIG(filesystemmodel);
51
52 QT_BEGIN_NAMESPACE
53
54 class ExtendedInformation;
55 class QFileSystemModelPrivate;
56 class QFileIconProvider;
57
58 class Q_WIDGETS_EXPORT QFileSystemModel : public QAbstractItemModel
59 {
60 Q_OBJECT
61 Q_PROPERTY(bool resolveSymlinks READ resolveSymlinks WRITE setResolveSymlinks)
62 Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)
63 Q_PROPERTY(bool nameFilterDisables READ nameFilterDisables WRITE setNameFilterDisables)
64 Q_PROPERTY(Options options READ options WRITE setOptions)
65
66 Q_SIGNALS:
67 void rootPathChanged(const QString &newPath);
68 void fileRenamed(const QString &path, const QString &oldName, const QString &newName);
69 void directoryLoaded(const QString &path);
70
71 public:
72 enum Roles {
73 FileIconRole = Qt::DecorationRole,
74 FilePathRole = Qt::UserRole + 1,
75 FileNameRole = Qt::UserRole + 2,
76 FilePermissions = Qt::UserRole + 3
77 };
78
79 enum Option
80 {
81 DontWatchForChanges = 0x00000001,
82 DontResolveSymlinks = 0x00000002,
83 DontUseCustomDirectoryIcons = 0x00000004
84 };
85 Q_ENUM(Option)
86 Q_DECLARE_FLAGS(Options, Option)
87
88 explicit QFileSystemModel(QObject *parent = nullptr);
89 ~QFileSystemModel();
90
91 QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
92 QModelIndex index(const QString &path, int column = 0) const;
93 QModelIndex parent(const QModelIndex &child) const override;
94 using QObject::parent;
95 QModelIndex sibling(int row, int column, const QModelIndex &idx) const override;
96 bool hasChildren(const QModelIndex &parent = QModelIndex()) const override;
97 bool canFetchMore(const QModelIndex &parent) const override;
98 void fetchMore(const QModelIndex &parent) override;
99
100 int rowCount(const QModelIndex &parent = QModelIndex()) const override;
101 int columnCount(const QModelIndex &parent = QModelIndex()) const override;
102
103 QVariant myComputer(int role = Qt::DisplayRole) const;
104 QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
105 bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
106
107 QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
108
109 Qt::ItemFlags flags(const QModelIndex &index) const override;
110
111 void sort(int column, Qt::SortOrder order = Qt::AscendingOrder) override;
112
113 QStringList mimeTypes() const override;
114 QMimeData *mimeData(const QModelIndexList &indexes) const override;
115 bool dropMimeData(const QMimeData *data, Qt::DropAction action,
116 int row, int column, const QModelIndex &parent) override;
117 Qt::DropActions supportedDropActions() const override;
118
119 // QFileSystemModel specific API
120 QModelIndex setRootPath(const QString &path);
121 QString rootPath() const;
122 QDir rootDirectory() const;
123
124 void setIconProvider(QFileIconProvider *provider);
125 QFileIconProvider *iconProvider() const;
126
127 void setFilter(QDir::Filters filters);
128 QDir::Filters filter() const;
129
130 void setResolveSymlinks(bool enable);
131 bool resolveSymlinks() const;
132
133 void setReadOnly(bool enable);
134 bool isReadOnly() const;
135
136 void setNameFilterDisables(bool enable);
137 bool nameFilterDisables() const;
138
139 void setNameFilters(const QStringList &filters);
140 QStringList nameFilters() const;
141
142 void setOption(Option option, bool on = true);
143 bool testOption(Option option) const;
144 void setOptions(Options options);
145 Options options() const;
146
147 QString filePath(const QModelIndex &index) const;
148 bool isDir(const QModelIndex &index) const;
149 qint64 size(const QModelIndex &index) const;
150 QString type(const QModelIndex &index) const;
151 QDateTime lastModified(const QModelIndex &index) const;
152
153 QModelIndex mkdir(const QModelIndex &parent, const QString &name);
154 bool rmdir(const QModelIndex &index);
155 inline QString fileName(const QModelIndex &index) const;
156 inline QIcon fileIcon(const QModelIndex &index) const;
157 QFile::Permissions permissions(const QModelIndex &index) const;
158 QFileInfo fileInfo(const QModelIndex &index) const;
159 bool remove(const QModelIndex &index);
160
161 protected:
162 QFileSystemModel(QFileSystemModelPrivate &, QObject *parent = nullptr);
163 void timerEvent(QTimerEvent *event) override;
164 bool event(QEvent *event) override;
165
166 private:
167 Q_DECLARE_PRIVATE(QFileSystemModel)
168 Q_DISABLE_COPY(QFileSystemModel)
169
170 Q_PRIVATE_SLOT(d_func(), void _q_directoryChanged(const QString &directory, const QStringList &list))
171 Q_PRIVATE_SLOT(d_func(), void _q_performDelayedSort())
172 Q_PRIVATE_SLOT(d_func(), void _q_fileSystemChanged(const QString &path, const QVector<QPair<QString, QFileInfo> > &))
173 Q_PRIVATE_SLOT(d_func(), void _q_resolvedName(const QString &fileName, const QString &resolvedName))
174
175 friend class QFileDialogPrivate;
176 };
177
fileName(const QModelIndex & aindex)178 inline QString QFileSystemModel::fileName(const QModelIndex &aindex) const
179 { return aindex.data(Qt::DisplayRole).toString(); }
fileIcon(const QModelIndex & aindex)180 inline QIcon QFileSystemModel::fileIcon(const QModelIndex &aindex) const
181 { return qvariant_cast<QIcon>(aindex.data(Qt::DecorationRole)); }
182
183 Q_DECLARE_OPERATORS_FOR_FLAGS(QFileSystemModel::Options)
184
185 QT_END_NAMESPACE
186
187 #endif // QFILESYSTEMMODEL_H
188