def test_remove_link(nexus_wrapper):
instrument = Instrument(nexus_wrapper, NX_CLASS_DEFINITIONS)
under_test = ComponentTreeModel(instrument)
instrument.create_component("Some name", "some class", "desc")
component_index = under_test.index(0, 0, QModelIndex())
under_test.add_link(component_index)
transformation_list_index = under_test.index(1, 0, component_index)
transformation_index = under_test.index(0, 0, transformation_list_index)
assert under_test.rowCount(transformation_list_index) == 1
assert len(transformation_list_index.internalPointer()) == 0
under_test.remove_node(transformation_index)
assert under_test.rowCount(transformation_list_index) == 0
def test_add_link_alt_2():
data_under_test = FakeInstrument([])
under_test = ComponentTreeModel(data_under_test)
under_test.add_component(get_component())
component_index = under_test.index(0, 0, QModelIndex())
transformation_list_index = under_test.index(1, 0, component_index)
assert under_test.rowCount(transformation_list_index) == 0
under_test.add_link(transformation_list_index)
assert under_test.rowCount(transformation_list_index) == 1
assert transformation_list_index.internalPointer().has_link
assert len(transformation_list_index.internalPointer()) == 0
def add_link_at_index(
component_model: ComponentTreeModel,
component_tree_view: QTreeView,
component_index: QModelIndex,
):
"""
Adds a link to the component model at a given index.
:param component_model: The component model.
:param component_tree_view: The component tree view.
:param component_index: The QModelIndex that is selected when the link is added.
"""
component_tree_view.setCurrentIndex(component_index)
component_model.add_link(component_index)
class ComponentTreeViewTab(QWidget):
def __init__(self, parent=None):
super().__init__()
self.setLayout(QVBoxLayout())
self.setParent(parent)
self.componentsTabLayout = QVBoxLayout()
self.component_tree_view = QTreeView()
self.componentsTabLayout.addWidget(self.component_tree_view)
self.layout().addLayout(self.componentsTabLayout)
self.component_tree_view.setDragEnabled(True)
self.component_tree_view.setAcceptDrops(True)
self.component_tree_view.setDropIndicatorShown(True)
self.component_tree_view.header().hide()
self.component_tree_view.updateEditorGeometries()
self.component_tree_view.updateGeometries()
self.component_tree_view.updateGeometry()
self.component_tree_view.clicked.connect(self._set_button_state)
self.component_tree_view.setSelectionMode(QAbstractItemView.SingleSelection)
self.component_tool_bar = QToolBar("Actions", self)
self.new_component_action = create_and_add_toolbar_action(
"new_component.png",
"New Component",
self.parent().show_add_component_window,
self.component_tool_bar,
self,
True,
)
self.new_translation_action = create_and_add_toolbar_action(
"new_translation.png",
"New Translation",
lambda: self._add_transformation(TransformationType.TRANSLATION),
self.component_tool_bar,
self,
)
self.new_rotation_action = create_and_add_toolbar_action(
"new_rotation.png",
"New Rotation",
lambda: self._add_transformation(TransformationType.ROTATION),
self.component_tool_bar,
self,
)
self.create_link_action = create_and_add_toolbar_action(
"create_link.png",
"Create Link",
self.on_create_link,
self.component_tool_bar,
self,
)
self.duplicate_action = create_and_add_toolbar_action(
"duplicate.png",
"Duplicate",
self.on_duplicate_node,
self.component_tool_bar,
self,
)
self.edit_component_action = create_and_add_toolbar_action(
"edit_component.png",
"Edit Component",
self.parent().show_edit_component_dialog,
self.component_tool_bar,
self,
)
self.delete_action = create_and_add_toolbar_action(
"delete.png", "Delete", self.on_delete_item, self.component_tool_bar, self
)
self.zoom_action = create_and_add_toolbar_action(
"zoom.svg",
"Zoom To Component",
self.on_zoom_item,
self.component_tool_bar,
self,
)
self.component_tool_bar.insertSeparator(self.zoom_action)
self.componentsTabLayout.insertWidget(0, self.component_tool_bar)
def set_up_model(self, instrument):
self.component_model = ComponentTreeModel(instrument)
self.component_delegate = ComponentEditorDelegate(
self.component_tree_view, instrument
)
self.component_tree_view.setItemDelegate(self.component_delegate)
self.component_tree_view.setModel(self.component_model)
def _set_button_state(self):
set_button_states(
self.component_tree_view,
self.delete_action,
self.duplicate_action,
self.new_rotation_action,
self.new_translation_action,
self.create_link_action,
self.zoom_action,
self.edit_component_action,
)
def on_create_link(self):
selected = self.component_tree_view.selectedIndexes()
if len(selected) > 0:
self.component_model.add_link(selected[0])
self._expand_transformation_list(selected[0])
self._set_button_state()
def on_duplicate_node(self):
selected = self.component_tree_view.selectedIndexes()
if len(selected) > 0:
self.component_model.duplicate_node(selected[0])
self._expand_transformation_list(selected[0])
def _expand_transformation_list(self, node: QModelIndex):
expand_transformation_list(node, self.component_tree_view, self.component_model)
def _add_transformation(self, transformation_type: TransformationType):
add_transformation(
transformation_type, self.component_tree_view, self.component_model
)
def on_delete_item(self):
selected = self.component_tree_view.selectedIndexes()
for item in selected:
self.component_model.remove_node(item)
self._set_button_state()
def on_zoom_item(self):
selected = self.component_tree_view.selectedIndexes()[0]
component = selected.internalPointer()
self.sceneWidget.zoom_to_component(
self.sceneWidget.get_entity(component.name), self.sceneWidget.view.camera()
)
