QtGui/qfilesystemmodel.h Source File

qfilesystemmodel.h
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41 
42 #ifndef QFILESYSTEMMODEL_H
43 #define QFILESYSTEMMODEL_H
44 
46 #include <QtCore/qpair.h>
47 #include <QtCore/qdir.h>
48 #include <QtGui/qicon.h>
49 #include <QtCore/qdiriterator.h>
50 
52 
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  void directoryLoaded(const QString &path);
74 
75 public:
76  enum Roles {
77  FileIconRole = Qt::DecorationRole,
78  FilePathRole = Qt::UserRole + 1,
79  FileNameRole = Qt::UserRole + 2,
80  FilePermissions = Qt::UserRole + 3
81  };
82 
83  explicit QFileSystemModel(QObject *parent = 0);
85 
86  QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
87  QModelIndex index(const QString &path, int column = 0) const;
88  QModelIndex parent(const QModelIndex &child) const;
89  bool hasChildren(const QModelIndex &parent = QModelIndex()) const;
90  bool canFetchMore(const QModelIndex &parent) const;
91  void fetchMore(const QModelIndex &parent);
92 
93  int rowCount(const QModelIndex &parent = QModelIndex()) const;
94  int columnCount(const QModelIndex &parent = QModelIndex()) const;
95 
96  QVariant myComputer(int role = Qt::DisplayRole) const;
97  QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
98  bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
99 
100  QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
101 
102  Qt::ItemFlags flags(const QModelIndex &index) const;
103 
104  void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
105 
106  QStringList mimeTypes() const;
107  QMimeData *mimeData(const QModelIndexList &indexes) const;
108  bool dropMimeData(const QMimeData *data, Qt::DropAction action,
109  int row, int column, const QModelIndex &parent);
110  Qt::DropActions supportedDropActions() const;
111 
112  // QFileSystemModel specific API
113  QModelIndex setRootPath(const QString &path);
114  QString rootPath() const;
115  QDir rootDirectory() const;
116 
117  void setIconProvider(QFileIconProvider *provider);
118  QFileIconProvider *iconProvider() const;
119 
120  void setFilter(QDir::Filters filters);
121  QDir::Filters filter() const;
122 
123  void setResolveSymlinks(bool enable);
124  bool resolveSymlinks() const;
125 
126  void setReadOnly(bool enable);
127  bool isReadOnly() const;
128 
129  void setNameFilterDisables(bool enable);
130  bool nameFilterDisables() const;
131 
132  void setNameFilters(const QStringList &filters);
133  QStringList nameFilters() const;
134 
135  QString filePath(const QModelIndex &index) const;
136  bool isDir(const QModelIndex &index) const;
137  qint64 size(const QModelIndex &index) const;
138  QString type(const QModelIndex &index) const;
139  QDateTime lastModified(const QModelIndex &index) const;
140 
141  QModelIndex mkdir(const QModelIndex &parent, const QString &name);
142  bool rmdir(const QModelIndex &index) const; // ### Qt5: should not be const
143  inline QString fileName(const QModelIndex &index) const;
144  inline QIcon fileIcon(const QModelIndex &index) const;
145  QFile::Permissions permissions(const QModelIndex &index) const;
146  inline QFileInfo fileInfo(const QModelIndex &index) const;
147  bool remove(const QModelIndex &index) const;
148 
149 protected:
150  QFileSystemModel(QFileSystemModelPrivate &, QObject *parent = 0);
151  void timerEvent(QTimerEvent *event);
152  bool event(QEvent *event);
153 
154 private:
155  Q_DECLARE_PRIVATE(QFileSystemModel)
156  Q_DISABLE_COPY(QFileSystemModel)
157 
158  Q_PRIVATE_SLOT(d_func(), void _q_directoryChanged(const QString &directory, const QStringList &list))
159  Q_PRIVATE_SLOT(d_func(), void _q_performDelayedSort())
160  Q_PRIVATE_SLOT(d_func(), void _q_fileSystemChanged(const QString &path, const QList<QPair<QString, QFileInfo> > &))
161  Q_PRIVATE_SLOT(d_func(), void _q_resolvedName(const QString &fileName, const QString &resolvedName))
162 
163  friend class QFileDialogPrivate;
164 };
165 
166 inline QString QFileSystemModel::fileName(const QModelIndex &aindex) const
167 { return aindex.data(Qt::DisplayRole).toString(); }
168 inline QIcon QFileSystemModel::fileIcon(const QModelIndex &aindex) const
169 { return qvariant_cast<QIcon>(aindex.data(Qt::DecorationRole)); }
171 { return QFileInfo(filePath(aindex)); }
172 
173 #endif // QT_NO_FILESYSTEMMODEL
174 
176 
178 
179 #endif // QFILESYSTEMMODEL_H
180 
GLuint GLuint GLsizei GLenum type
Definition: GLee.h:872
virtual QModelIndex index(int row, int column, const QModelIndex &parent=QModelIndex()) const =0
#define QT_END_NAMESPACE
Definition: qglobal.h:128
#define Q_PROPERTY(text)
Definition: qobjectdefs.h:80
virtual Qt::ItemFlags flags(const QModelIndex &index) const
#define QT_BEGIN_HEADER
Definition: qglobal.h:141
virtual bool setData(const QModelIndex &index, const QVariant &value, int role=Qt::EditRole)
QVariant data(const QModelIndex &index, int role=Qt::DisplayRole) const
Definition: qdir.h:58
long long qint64
Definition: qglobal.h:947
virtual bool canFetchMore(const QModelIndex &parent) const
QFileInfo fileInfo(const QModelIndex &index) const
#define Q_PRIVATE_SLOT(d, signature)
Definition: qobjectdefs.h:73
virtual int rowCount(const QModelIndex &parent=QModelIndex()) const =0
#define inline
Definition: image.h:2490
QVariant data(int role=Qt::DisplayRole) const
#define Q_SIGNALS
Definition: qobjectdefs.h:72
Definition: qicon.h:60
virtual Qt::DropActions supportedDropActions() const
virtual int columnCount(const QModelIndex &parent=QModelIndex()) const =0
virtual void timerEvent(QTimerEvent *)
virtual QVariant headerData(int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const
GLenum GLenum GLvoid * row
Definition: GLee.h:893
#define QT_BEGIN_NAMESPACE
Definition: qglobal.h:127
GLsizei GLsizei GLenum GLenum const GLvoid * data
Definition: GLee.h:880
virtual QVariant data(const QModelIndex &index, int role=Qt::DisplayRole) const =0
QObject * parent() const
Definition: qobject.h:273
Orientation
Definition: qnamespace.h:174
DropAction
Definition: qnamespace.h:1597
#define Q_OBJECT
Definition: qobjectdefs.h:157
virtual void sort(int column, Qt::SortOrder order=Qt::AscendingOrder)
GLsizei const GLfloat * value
Definition: GLee.h:1742
GLenum GLenum GLvoid GLvoid * column
Definition: GLee.h:893
virtual bool event(QEvent *)
GLuint const GLchar * name
Definition: GLee.h:1704
virtual bool hasChildren(const QModelIndex &parent=QModelIndex()) const
GLenum filter
Definition: GLee.h:3431
T qvariant_cast(const QVariant &)
Definition: qvariant.h:571
QString toString() const
virtual QMimeData * mimeData(const QModelIndexList &indexes) const
virtual QStringList mimeTypes() const
virtual bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent)
#define QT_END_HEADER
Definition: qglobal.h:142
GLsizeiptr size
Definition: GLee.h:1561
QIcon fileIcon(const QModelIndex &index) const
virtual void fetchMore(const QModelIndex &parent)
GLuint index
Definition: GLee.h:1704
SortOrder
Definition: qnamespace.h:189