def create_as(self, type, id, parent=None, subject=None):
item = type(id, self.model)
if subject:
item.subject = subject
self.canvas.add(item, parent)
self.model.handle(DiagramItemCreated(self.model, item))
return item
def create_as(self, type, id, parent=None, subject=None):
if not type or not issubclass(type, gaphas.Item):
raise TypeError(
f"Type {type} can not be added to a diagram as it is not a diagram item"
)
item = type(id, self.model)
if subject:
item.subject = subject
self.canvas.add(item, parent)
self.model.handle(DiagramItemCreated(self.model, item))
return item
def create_as(self, type, id, parent=None, subject=None):
if not (type and issubclass(type, Presentation)):
raise TypeError(
f"Type {type} can not be added to a diagram as it is not a diagram item"
)
item = type(connections=self._connections, id=id, model=self.model)
assert isinstance(
item,
gaphas.Item), f"Type {type} does not comply with Item protocol"
item.diagram = self
if subject:
item.subject = subject
if parent:
item.parent = parent
self.model.handle(DiagramItemCreated(self, item))
self.request_update(item)
return item
def create_as(self, type, id, parent=None, subject=None):
if not (type and issubclass(type, Presentation)):
raise TypeError(
f"Type {type} can not be added to a diagram as it is not a diagram item"
)
# Avoid events that reference this element before its created-event is emitted.
with self.model.block_events():
item = type(diagram=self, id=id)
assert isinstance(
item, gaphas.Item
), f"Type {type} does not comply with Item protocol"
self.model.handle(DiagramItemCreated(self, item))
if subject:
item.subject = subject
if parent:
item.parent = parent
self.request_update(item)
return item