def get_transformation_list_index(
component_model: ComponentTreeModel,
component_tree_view: QTreeView,
component_index: QModelIndex,
) -> QModelIndex:
"""
Retrieves the index of a component's transformation list from the component tree view.
:param component_model: The component model.
:param component_tree_view: The component tree view.
:param component_index: The index of the component.
:return: The index of the component's transformation list.
"""
component_tree_view.expand(component_index)
return component_model.index(1, 0, component_index)
def get_transformation_or_link_index(
component_model: ComponentTreeModel,
component_tree_view: QTreeView,
transformation_list_index: QModelIndex,
) -> QModelIndex:
"""
Retrieves the index of a component's first transformation or link.
:param component_model: The component tree model.
:param component_tree_view: The component tree view.
:param transformation_list_index: The index of the component's transformation list.
:return: The index of the component's first transformation/link.
"""
component_tree_view.expand(transformation_list_index)
return component_model.index(0, 0, transformation_list_index)
def expand_transformation_list(
node: QModelIndex,
component_tree_view: QTreeView,
component_model: NexusTreeModel,
):
current_pointer = node.internalPointer()
if isinstance(current_pointer, TransformationsList) or isinstance(
current_pointer, Component):
component_tree_view.expand(node)
if isinstance(current_pointer, Component):
trans_list_index = component_model.index(1, 0, node)
component_tree_view.expand(trans_list_index)
else:
component_index = component_model.parent(node)
component_tree_view.expand(component_index)
elif isinstance(current_pointer, Transformation):
trans_list_index = component_model.parent(node)
component_tree_view.expand(trans_list_index)
component_index = component_model.parent(trans_list_index)
component_tree_view.expand(component_index)
def for_selecting_current_item_in_tree_view(self, tree_view: QTreeView):
return ModelIndexNavigator(
is_expanded_callback=lambda x: tree_view.isExpanded(x),
expand_callback=lambda x: tree_view.expand(x),
final_item_callback=lambda x: tree_view.setCurrentIndex(x))
