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46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
from kivy.properties import ObjectProperty
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from kivymd.app import MDApp
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from kivymd.uix.screen import MDScreen
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from Utility.observer import Observer
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class BaseScreenView(MDScreen, Observer):
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"""
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A base class that implements a visual representation of the model data.
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The view class must be inherited from this class.
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"""
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controller = ObjectProperty()
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"""
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Controller object - :class:`~Controller.controller_screen.ClassScreenControler`.
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:attr:`controller` is an :class:`~kivy.properties.ObjectProperty`
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and defaults to `None`.
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"""
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model = ObjectProperty()
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"""
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Model object - :class:`~Model.model_screen.ClassScreenModel`.
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:attr:`model` is an :class:`~kivy.properties.ObjectProperty`
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and defaults to `None`.
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"""
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manager_screens = ObjectProperty()
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"""
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Screen manager object - :class:`~kivymd.uix.screenmanager.MDScreenManager`.
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:attr:`manager_screens` is an :class:`~kivy.properties.ObjectProperty`
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and defaults to `None`.
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"""
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def __init__(self, **kw):
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super().__init__(**kw)
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# Often you need to get access to the application object from the view
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# class. You can do this using this attribute.
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self.app = MDApp.get_running_app()
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# Adding a view class as observer.
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self.model.add_observer(self)
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