mirror of
https://github.com/liberatedsystems/openCom-Companion.git
synced 2024-11-30 01:00:37 +01:00
93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
|
"""
|
||
|
|
Components/ScreenManager
|
||
|
|
========================
|
||
|
|
|
||
|
|
.. versionadded:: 1.0.0
|
||
|
|
|
||
|
|
:class:`~kivy.uix.screenmanager.ScreenManager` class equivalent.
|
||
|
|
If you want to use Hero animations you need to use :class:`~kivymd.uix.screenmanager.MDScreenManager`
|
||
|
|
not :class:`~kivy.uix.screenmanager.ScreenManager` class.
|
||
|
|
"""
|
||
|
|
|
||
|
|
from kivy.clock import Clock
|
||
|
|
from kivy.properties import ListProperty, StringProperty
|
||
|
|
from kivy.uix.screenmanager import ScreenManager
|
||
|
|
|
||
|
|
from kivymd.uix.hero import MDHeroFrom
|
||
|
|
|
||
|
|
|
||
|
|
class MDScreenManager(ScreenManager):
|
||
|
|
current_hero = StringProperty(None)
|
||
|
|
"""
|
||
|
|
The name of the current tag for the :class:`~kivymd.uix.hero.MDHeroFrom` and
|
||
|
|
:class:`~kivymd.uix.hero.MDHeroTo` objects that will be animated when
|
||
|
|
animating the transition between screens.
|
||
|
|
|
||
|
|
See the `Hero <https://kivymd.readthedocs.io/en/latest/components/hero/>`_
|
||
|
|
module documentation for more information about creating and using Hero animations.
|
||
|
|
|
||
|
|
:attr:`current_hero` is an :class:`~kivy.properties.StringProperty`
|
||
|
|
and defaults to `None`.
|
||
|
|
"""
|
||
|
|
|
||
|
|
# Collection of `MDHeroFrom` objects on all screens of the current
|
||
|
|
# screen manager.
|
||
|
|
_heroes_data = ListProperty()
|
||
|
|
|
||
|
|
def __init__(self, **kwargs):
|
||
|
|
super().__init__(**kwargs)
|
||
|
|
Clock.schedule_once(self.check_transition)
|
||
|
|
|
||
|
|
def check_transition(self, *args) -> None:
|
||
|
|
"""Sets the default type transition."""
|
||
|
|
|
||
|
|
from kivymd.uix.transition.transition import MDTransitionBase
|
||
|
|
|
||
|
|
if not issubclass(self.transition.__class__, MDTransitionBase):
|
||
|
|
from kivymd.uix.transition import MDSlideTransition
|
||
|
|
|
||
|
|
self.transition = MDSlideTransition()
|
||
|
|
|
||
|
|
def get_hero_from_widget(self) -> None:
|
||
|
|
"""
|
||
|
|
Get an :class:`~kivymd.uix.hero.MDHeroTo` object with the
|
||
|
|
:attr:`~current_hero` tag.
|
||
|
|
"""
|
||
|
|
|
||
|
|
hero_from_widget = None
|
||
|
|
|
||
|
|
for hero_widget in self._heroes_data:
|
||
|
|
if isinstance(hero_widget, MDHeroFrom) or issubclass(
|
||
|
|
hero_widget.__class__, MDHeroFrom
|
||
|
|
):
|
||
|
|
if hero_widget.tag == self.current_hero:
|
||
|
|
hero_from_widget = hero_widget
|
||
|
|
break
|
||
|
|
|
||
|
|
return hero_from_widget
|
||
|
|
|
||
|
|
def add_widget(self, widget, *args, **kwargs):
|
||
|
|
super().add_widget(widget, *args, **kwargs)
|
||
|
|
Clock.schedule_once(lambda x: self._create_heroes_data(widget))
|
||
|
|
|
||
|
|
def _create_heroes_data(self, widget):
|
||
|
|
def find_hero_widget(child_widget):
|
||
|
|
widget_hero = None
|
||
|
|
|
||
|
|
for w in child_widget.children:
|
||
|
|
if isinstance(w, MDHeroFrom) or issubclass(
|
||
|
|
w.__class__, MDHeroFrom
|
||
|
|
):
|
||
|
|
self._heroes_data.append(w)
|
||
|
|
find_hero_widget(w)
|
||
|
|
|
||
|
|
return widget_hero
|
||
|
|
|
||
|
|
for child in widget.children:
|
||
|
|
if isinstance(child, MDHeroFrom) or issubclass(
|
||
|
|
child.__class__, MDHeroFrom
|
||
|
|
):
|
||
|
|
self._heroes_data.append(child)
|
||
|
|
else:
|
||
|
|
find_hero_widget(child)
|