图标提供类
| 25 | |
| 26 | |
| 27 | class FileIconProvider(QFileIconProvider): |
| 28 | """图标提供类""" |
| 29 | |
| 30 | def __init__(self, *args, **kwargs): |
| 31 | super(FileIconProvider, self).__init__(*args, **kwargs) |
| 32 | self.DirIcon = QIcon("Data/icons/folder.png") |
| 33 | self.TxtIcon = QIcon("Data/icons/file.png") |
| 34 | |
| 35 | def icon(self, type_info): |
| 36 | ''' |
| 37 | :param fileInfo: 参考http://doc.qt.io/qt-5/qfileinfo.html |
| 38 | ''' |
| 39 | if isinstance(type_info, QFileInfo): |
| 40 | # 如果type_info是QFileInfo类型则用getInfoIcon来返回图标 |
| 41 | return self.getInfoIcon(type_info) |
| 42 | # 如果type_info是QFileIconProvider自身的IconType枚举类型则执行下面的方法 |
| 43 | # 这里只能自定义通用的几种类型，参考http://doc.qt.io/qt-5/qfileiconprovider.html#IconType-enum |
| 44 | ''' |
| 45 | QFileIconProvider::Computer 0 |
| 46 | QFileIconProvider::Desktop 1 |
| 47 | QFileIconProvider::Trashcan 2 |
| 48 | QFileIconProvider::Network 3 |
| 49 | QFileIconProvider::Drive 4 |
| 50 | QFileIconProvider::Folder 5 |
| 51 | QFileIconProvider::File 6 |
| 52 | ''' |
| 53 | if type_info == QFileIconProvider.Folder: |
| 54 | # 如果是文件夹 |
| 55 | return self.DirIcon |
| 56 | return super(FileIconProvider, self).icon(type_info) |
| 57 | |
| 58 | def getInfoIcon(self, type_info): |
| 59 | if type_info.isDir(): # 文件夹 |
| 60 | return self.DirIcon |
| 61 | if type_info.isFile() and type_info.suffix() == "txt": # 文件并且是txt |
| 62 | return self.TxtIcon |
| 63 | return super(FileIconProvider, self).icon(type_info) |
| 64 | |
| 65 | |
| 66 | if __name__ == "__main__": |