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QFileSystemModel and QSortFilterProxyModel
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| class MyFileSystemModel(QFileSystemModel): | |
| changed = pyqtSignal(str, int, int) | |
| def __init__(self, parent=None): | |
| self.checks = {} | |
| super(MyFileSystemModel, self).__init__() | |
| def flags(self, index): | |
| return super(MyFileSystemModel, self).flags(index) | Qt.ItemIsUserCheckable | |
| def checkState(self, index): | |
| if index in self.checks: | |
| return self.checks[index] | |
| else: | |
| return Qt.Unchecked | |
| def data(self, index, role=Qt.DisplayRole): | |
| if role != Qt.CheckStateRole: | |
| return super(MyFileSystemModel, self).data(index, role) | |
| if index.column() == 0: | |
| path = super(MyFileSystemModel, self).filePath(index) | |
| if os.path.isdir(path): | |
| return super(MyFileSystemModel, self).data(index, role) | |
| return self.checkState(index) | |
| def setData(self, index, value, role=None): | |
| if role == Qt.CheckStateRole and index.column() == 0: | |
| self.checks[index] = value | |
| self.changed.emit("dataChanged(QModelIndex,QModelIndex)", index, index) | |
| return True | |
| return super(MyFileSystemModel, self).setData(index, value, role) | |
| class MySortFilter(QSortFilterProxyModel): | |
| def lessThan(self, a, b): | |
| model = self.sourceModel() | |
| apath = model.filePath(a) | |
| bpath = model.filePath(b) | |
| return (not os.path.isdir(apath), apath) > (not os.path.isdir(bpath), bpath) | |
| self.model = MyFileSystemModel() | |
| self.model.setRootPath(QDir.currentPath()) | |
| self.proxy = MySortFilter() | |
| self.proxy.setSourceModel(self.model) | |
| tree = self.ui.treeView | |
| tree.setModel(self.proxy) | |
| idx = self.proxy.mapFromSource(self.model.index(root_dir)) | |
| tree.setRootIndex(idx) | |
| tree.setSortingEnabled(True) | |
| tree.setColumnWidth(0, 250) |
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