def bind_current_index(self, binding: Binding.Binding) -> None:
self.clear_task("update_current_index")
if self.__current_index_binding:
self.__current_index_binding.close()
self.__current_index_binding = None
current_index = typing.cast(typing.Optional[int],
binding.get_target_value())
if current_index is not None and 0 <= current_index < len(self.items):
self.current_index = current_index
self.__current_index_binding = binding
def update_current_index(current_index: int) -> None:
if current_index is not None and 0 <= current_index < len(
self.items):
def update_current_index_() -> None:
if self._behavior:
self.current_index = current_index
self.add_task("update_current_index", update_current_index_)
self.__current_index_binding.target_setter = update_current_index
def handle_current_index_changed(index: int) -> None:
if self.__current_index_binding:
self.__current_index_binding.update_source(index)
self.__on_current_index_changed = handle_current_index_changed
def bind_color(self, binding: Binding.Binding) -> None:
if self.__color_binding:
self.__color_binding.close()
self.__color_binding = None
self.color = binding.get_target_value()
self.__color_binding = binding
def update_color(color):
def update_color_():
if self._behavior:
self.color = color
self.add_task("update_color", update_color_)
self.__color_binding.target_setter = update_color
def bind_image(self, binding: Binding.Binding) -> None:
if self.__image_binding:
self.__image_binding.close()
self.__image_binding = None
self.image = binding.get_target_value()
self.__image_binding = binding
def update_image(
image: typing.Optional[DrawingContext.RGBA32Type]) -> None:
def update_image_() -> None:
self.image = image
self.add_task("update_image", update_image_)
self.__image_binding.target_setter = update_image
def bind_icon(self, binding: Binding.Binding) -> None:
if self.__icon_binding:
self.__icon_binding.close()
self.__icon_binding = None
self.icon = binding.get_target_value()
self.__icon_binding = binding
def update_icon(
icon: typing.Optional[DrawingContext.RGBA32Type]) -> None:
def update_icon_() -> None:
self.icon = icon
self.add_task("update_icon", update_icon_)
self.__icon_binding.target_setter = update_icon
def bind_display_item(self, binding: Binding.Binding) -> None:
if self.__display_item_binding:
self.__display_item_binding.close()
self.__display_item_binding = None
self.display_item = binding.get_target_value()
self.__display_item_binding = binding
def update_display_item(display_item: DisplayItem.DisplayItem) -> None:
if self.__window:
async def update_display_item_() -> None:
self.display_item = display_item
self.__update_display_item_task = None
self.__update_display_item_task = self.__window.event_loop.create_task(
update_display_item_())
self.__display_item_binding.target_setter = update_display_item
def bind_items(self, binding: Binding.Binding) -> None:
self.clear_task("update_items")
if self.__items_binding:
self.__items_binding.close()
self.__items_binding = None
self.items = list(
typing.cast(typing.Sequence[typing.Any],
binding.get_target_value()))
self.__items_binding = binding
def update_items(items: typing.Sequence[typing.Any]) -> None:
def update_items_() -> None:
if self._behavior:
self.items = items
self.add_task("update_items", update_items_)
self.__items_binding.target_setter = update_items
def bind_group_value(self, binding: Binding.Binding) -> None:
if self.__group_value_binding:
self.__group_value_binding.close()
self.__group_value_binding = None
self.__on_group_value_changed = None
self.group_value = binding.get_target_value()
self.__group_value_binding = binding
def update_group_value(group_value: typing.Optional[int]) -> None:
def update_group_value_() -> None:
self.group_value = group_value
self.add_task("update_group_value", update_group_value_)
self.__group_value_binding.target_setter = update_group_value
def handle_group_value_changed(
group_value: typing.Optional[int]) -> None:
if self.__group_value_binding:
self.__group_value_binding.update_source(group_value)
self.__on_group_value_changed = handle_group_value_changed