class ShowingDetailScreen(State): def enter_state(self, context=None): print 'ShowingDetailScreen/enter_state' if not 'Detail' in self.statechart.app.sm.screen_names: self.app = self.statechart.app view = BoxLayout(orientation='vertical', spacing=10) toolbar = BoxLayout(size_hint=(1.0, None), height=50) button = Button(text='Lists') button.bind(on_press=self.go_to_lists) toolbar.add_widget(button) button = Button(text='Search') button.bind(on_press=self.go_to_search) toolbar.add_widget(button) button = Button(text='Data') button.bind(on_press=self.go_to_data) toolbar.add_widget(button) label = Label(text='Detail', color=[.8, .8, .8, .8], bold=True) toolbar.add_widget(label) view.add_widget(toolbar) selected_fruit = \ self.statechart.fruits_dict_adapter.selection[0].text self.detail_view = FruitDetailView( fruit_name=selected_fruit, size_hint=(.6, 1.0)) view.add_widget(self.detail_view) screen = Screen(name='Detail') screen.add_widget(view) self.app.sm.add_widget(screen) if self.app.sm.current != 'Detail': self.detail_view.fruit_name = \ self.statechart.fruits_dict_adapter.selection[0].text self.detail_view.redraw() self.app.sm.current = 'Detail' def exit_state(self, context=None): print 'ShowingDetailScreen/exit_state' def go_to_lists(self, *args): self.go_to_state('ShowingListsScreen') def go_to_search(self, *args): self.go_to_state('ShowingSearchScreen') def go_to_data(self, *args): self.go_to_state('ShowingDataScreen')
class ShowingDetailScreen(State): def enter_state(self, context=None): print 'ShowingDetailScreen/enter_state' if not 'Detail' in self.statechart.app.sm.screen_names: self.app = self.statechart.app view = BoxLayout(orientation='vertical', spacing=10) toolbar = BoxLayout(size_hint=(1.0, None), height=50) button = Button(text='Lists') button.bind(on_press=self.go_to_lists) toolbar.add_widget(button) button = Button(text='Search') button.bind(on_press=self.go_to_search) toolbar.add_widget(button) button = Button(text='Data') button.bind(on_press=self.go_to_data) toolbar.add_widget(button) label = Label(text='Detail', color=[.8, .8, .8, .8], bold=True) toolbar.add_widget(label) view.add_widget(toolbar) selected_fruit = \ self.statechart.fruits_dict_adapter.selection[0].text self.detail_view = FruitDetailView(fruit_name=selected_fruit, size_hint=(.6, 1.0)) view.add_widget(self.detail_view) screen = Screen(name='Detail') screen.add_widget(view) self.app.sm.add_widget(screen) if self.app.sm.current != 'Detail': self.detail_view.fruit_name = \ self.statechart.fruits_dict_adapter.selection[0].text self.detail_view.redraw() self.app.sm.current = 'Detail' def exit_state(self, context=None): print 'ShowingDetailScreen/exit_state' def go_to_lists(self, *args): self.go_to_state('ShowingListsScreen') def go_to_search(self, *args): self.go_to_state('ShowingSearchScreen') def go_to_data(self, *args): self.go_to_state('ShowingDataScreen')
class ShowingListsScreen(State): '''Implementation of a cascading style display, with a scrollable list of fruit categories on the left, a list of fruits for the selected category in the middle, and a fruit detail view on the right. ''' def enter_state(self, context=None): print 'ShowingListsScreen/enter_state' if not 'Lists' in self.statechart.app.sm.screen_names: # Convenience references: self.app = self.statechart.app view = BoxLayout(orientation='vertical', spacing=10) toolbar = BoxLayout(size_hint=(1.0, None), height=50) label = Label(text='Lists', color=[.8, .8, .8, .8], bold=True) toolbar.add_widget(label) button = Button(text='Search') button.bind(on_press=self.go_to_search) toolbar.add_widget(button) button = Button(text='Data') button.bind(on_press=self.go_to_data) toolbar.add_widget(button) button = Button(text='Detail') button.bind(on_press=self.go_to_detail) toolbar.add_widget(button) view.add_widget(toolbar) lists_view = GridLayout(cols=3, size_hint=(1.0, 1.0)) lists_view.add_widget(ListView( adapter=self.statechart.fruit_categories_dict_adapter, size_hint=(.2, 1.0))) lists_view.add_widget(ListView( adapter=self.statechart.fruits_dict_adapter, size_hint=(.2, 1.0))) selected_fruit = \ self.statechart.fruits_dict_adapter.selection[0].text self.detail_view = FruitDetailView(fruit_name=selected_fruit, size_hint=(.6, 1.0)) lists_view.add_widget(self.detail_view) view.add_widget(lists_view) self.create_adapter_bindings() screen = Screen(name='Lists') screen.add_widget(view) self.app.sm.add_widget(screen) if self.app.sm.current != 'Lists': self.app.sm.current = 'Lists' def exit_state(self, context=None): print 'ShowingListsScreen/exit_state' def create_adapter_bindings(self): # Create bindings from selection in adapters to # action callback functions here: self.statechart.fruit_categories_dict_adapter.bind( on_selection_change=self.fruit_category_changed) self.statechart.fruits_dict_adapter.bind( on_selection_change=self.fruit_changed) def fruit_category_changed(self, fruit_categories_adapter, *args): if len(fruit_categories_adapter.selection) == 0: self.statechart.fruits_dict_adapter.data = {} return key = fruit_categories_adapter.selection[0].text category = fruit_categories[key] self.statechart.fruits_dict_adapter.sorted_keys = category['fruits'] def fruit_changed(self, list_adapter, *args): if len(list_adapter.selection) == 0: self.detail_view.fruit_name = None else: selected_object = list_adapter.selection[0] if type(selected_object) is str: self.detail_view.fruit_name = selected_object else: self.detail_view.fruit_name = selected_object.text self.detail_view.redraw() def go_to_search(self, *args): self.go_to_state('ShowingSearchScreen') def go_to_data(self, *args): self.go_to_state('ShowingDataScreen') def go_to_detail(self, *args): self.go_to_state('ShowingDetailScreen')
class ShowingListsScreen(State): '''Implementation of a cascading style display, with a scrollable list of fruit categories on the left, a list of fruits for the selected category in the middle, and a fruit detail view on the right. ''' def enter_state(self, context=None): print 'ShowingListsScreen/enter_state' if not 'Lists' in self.statechart.app.sm.screen_names: # Convenience references: self.app = self.statechart.app view = BoxLayout(orientation='vertical', spacing=10) toolbar = BoxLayout(size_hint=(1.0, None), height=50) label = Label(text='Lists', color=[.8, .8, .8, .8], bold=True) toolbar.add_widget(label) button = Button(text='Search') button.bind(on_press=self.go_to_search) toolbar.add_widget(button) button = Button(text='Data') button.bind(on_press=self.go_to_data) toolbar.add_widget(button) button = Button(text='Detail') button.bind(on_press=self.go_to_detail) toolbar.add_widget(button) view.add_widget(toolbar) lists_view = GridLayout(cols=3, size_hint=(1.0, 1.0)) lists_view.add_widget( ListView(adapter=self.statechart.fruit_categories_dict_adapter, size_hint=(.2, 1.0))) lists_view.add_widget( ListView(adapter=self.statechart.fruits_dict_adapter, size_hint=(.2, 1.0))) selected_fruit = \ self.statechart.fruits_dict_adapter.selection[0].text self.detail_view = FruitDetailView(fruit_name=selected_fruit, size_hint=(.6, 1.0)) lists_view.add_widget(self.detail_view) view.add_widget(lists_view) self.create_adapter_bindings() screen = Screen(name='Lists') screen.add_widget(view) self.app.sm.add_widget(screen) if self.app.sm.current != 'Lists': self.app.sm.current = 'Lists' def exit_state(self, context=None): print 'ShowingListsScreen/exit_state' def create_adapter_bindings(self): # Create bindings from selection in adapters to # action callback functions here: self.statechart.fruit_categories_dict_adapter.bind( on_selection_change=self.fruit_category_changed) self.statechart.fruits_dict_adapter.bind( on_selection_change=self.fruit_changed) def fruit_category_changed(self, fruit_categories_adapter, *args): if len(fruit_categories_adapter.selection) == 0: self.statechart.fruits_dict_adapter.data = {} return key = fruit_categories_adapter.selection[0].text category = fruit_categories[key] self.statechart.fruits_dict_adapter.sorted_keys = category['fruits'] def fruit_changed(self, list_adapter, *args): if len(list_adapter.selection) == 0: self.detail_view.fruit_name = None else: selected_object = list_adapter.selection[0] if type(selected_object) is str: self.detail_view.fruit_name = selected_object else: self.detail_view.fruit_name = selected_object.text self.detail_view.redraw() def go_to_search(self, *args): self.go_to_state('ShowingSearchScreen') def go_to_data(self, *args): self.go_to_state('ShowingDataScreen') def go_to_detail(self, *args): self.go_to_state('ShowingDetailScreen')