def create_item(self,
component,
coords=(),
item=None,
canvas=None,
silently=False,
**kwargs):
canvas = canvas or self.canvas
if item is None:
opts = dict(**component.defaults)
opts.update(kwargs)
item = component(canvas, *coords, **opts)
# generate a unique id
item.name = self.generator.generate(component, self._ids)
canvas._cv_items.append(item)
item._prev_index = canvas._cv_items.index(item)
node = canvas._cv_tree.add_as_node(item=item)
item.bind("<ButtonRelease-1>", lambda e: self._handle_select(item, e),
True)
item.bind("<ButtonRelease-1>", lambda e: self._handle_end(item, e),
True)
item.bind("<Motion>", lambda e: self._handle_move(item, e), True)
MenuUtils.bind_context(item, self._show_item_menu(item))
MenuUtils.bind_all_context(node, self._show_item_menu(item))
if not silently:
self.studio.new_action(
Action(lambda _: self.remove_items([item], silently=True),
lambda _: self.restore_items([item])))
return item
def setup_widget(self):
self.level = 0
self.layout = None
self.recent_layout_info = None
self._properties = get_properties(self)
self.set_name(self.id)
self.node = None
self.__on_context = None
self.last_menu_position = (0, 0)
MenuUtils.bind_context(self, self.__handle_context_menu, add='+')
