def filterItems(item: QTreeWidgetItem) -> bool:
op_class: type = item.data(1, Qt.UserRole)
keep: bool = bool(item.parent())
if keep and issubclass(op_class, GraphOperation):
keep &= op_class.minInputNumber() == op_class.maxInputNumber() == 1 \
and op_class.minOutputNumber() == 1
else:
keep &= item.isHidden()
return keep
def preset_for_item(
self,
item: QtWidgets.QTreeWidgetItem) -> Optional[VersionedPreset]:
return self.window_manager.preset_manager.preset_for_uuid(
item.data(0, Qt.UserRole))
def item_changed(item: QTreeWidgetItem, index: int):
node = item.data(1, 0)
selected = as_selection(item.checkState(index))
set_selection_down(node, selected)
set_selection_up(node)
def _result_item_pressed(self, item: QTreeWidgetItem, column: int):
if item.parent() is not self.result_tree:
prx_index = self.fakom_tree.model().mapFromSource(item.data(0, Qt.UserRole))
if prx_index.isValid():
self.fakom_tree.scrollTo(prx_index, QAbstractItemView.PositionAtCenter)
def standardItem(w: QTreeWidgetItem) -> QStandardItem:
s = QStandardItem()
s.setData(w.data(0, Qt.DisplayRole), Qt.DisplayRole)
s.setData(w.data(1, Qt.UserRole), Qt.UserRole)
s.setData(w.data(0, Qt.ToolTipRole), Qt.ToolTipRole)
return s
