diff options
author | Kirill Rogovoy <[email protected]> | 2021-07-23 11:02:26 +0300 |
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committer | Kirill Rogovoy <[email protected]> | 2021-07-23 11:02:26 +0300 |
commit | 73308af061af5e17ac7d4a73fa027a2f303c70dd (patch) | |
tree | 816fb8231e13f58f7afe822742513b3150cdc871 /app_expo/navigators | |
parent | b8c58914cc1e251ce161905340647b6824d0a7c4 (diff) |
Update graph data when Emacs node changes + minor improvements
Diffstat (limited to 'app_expo/navigators')
-rw-r--r-- | app_expo/navigators/index.ts | 4 | ||||
-rw-r--r-- | app_expo/navigators/main-navigator.tsx | 59 | ||||
-rw-r--r-- | app_expo/navigators/navigation-utilities.tsx | 127 | ||||
-rw-r--r-- | app_expo/navigators/root-navigator.tsx | 59 |
4 files changed, 0 insertions, 249 deletions
diff --git a/app_expo/navigators/index.ts b/app_expo/navigators/index.ts deleted file mode 100644 index 57dfc6f..0000000 --- a/app_expo/navigators/index.ts +++ /dev/null @@ -1,4 +0,0 @@ -export * from './main-navigator' -export * from './root-navigator' -export * from './navigation-utilities' -// export other navigators from here diff --git a/app_expo/navigators/main-navigator.tsx b/app_expo/navigators/main-navigator.tsx deleted file mode 100644 index 095a9bf..0000000 --- a/app_expo/navigators/main-navigator.tsx +++ /dev/null @@ -1,59 +0,0 @@ -/** - * This is the navigator you will modify to display the logged-in screens of your app. - * You can use RootNavigator to also display an auth flow or other user flows. - * - * You'll likely spend most of your time in this file. - */ -import React from 'react' -import { createStackNavigator } from '@react-navigation/stack' -import { WelcomeScreen, DemoScreen, DemoListScreen, GraphScreen } from '../screens' - -/** - * This type allows TypeScript to know what routes are defined in this navigator - * as well as what properties (if any) they might take when navigating to them. - * - * If no params are allowed, pass through `undefined`. Generally speaking, we - * recommend using your MobX-State-Tree store(s) to keep application state - * rather than passing state through navigation params. - * - * For more information, see this documentation: - * https://reactnavigation.org/docs/params/ - * https://reactnavigation.org/docs/typescript#type-checking-the-navigator - */ -export type PrimaryParamList = { - welcome: undefined - demo: undefined - demoList: undefined - graph: undefined -} - -// Documentation: https://reactnavigation.org/docs/stack-navigator/ -const Stack = createStackNavigator<PrimaryParamList>() - -export function MainNavigator() { - return ( - <Stack.Navigator - screenOptions={{ - cardStyle: { backgroundColor: 'transparent' }, - headerShown: false, - }} - > - <Stack.Screen name="graph" component={GraphScreen} /> - </Stack.Navigator> - ) -} - -/** - <Stack.Screen name="welcome" component={WelcomeScreen} /> - <Stack.Screen name="demo" component={DemoScreen} /> - <Stack.Screen name="demoList" component={DemoListScreen} /> - * A list of routes from which we're allowed to leave the app when - * the user presses the back button on Android. - * - * Anything not on this list will be a standard `back` action in - * react-navigation. - * - * `canExit` is used in ./app/app.tsx in the `useBackButtonHandler` hook. - */ -const exitRoutes = ['welcome'] -export const canExit = (routeName: string) => exitRoutes.includes(routeName) diff --git a/app_expo/navigators/navigation-utilities.tsx b/app_expo/navigators/navigation-utilities.tsx deleted file mode 100644 index 95137a4..0000000 --- a/app_expo/navigators/navigation-utilities.tsx +++ /dev/null @@ -1,127 +0,0 @@ -import React, { useState, useEffect, useRef } from 'react' -import { BackHandler } from 'react-native' -import { PartialState, NavigationState, NavigationContainerRef } from '@react-navigation/native' - -export const RootNavigation = { - navigate(name: string) { - name // eslint-disable-line no-unused-expressions - }, - goBack() {}, // eslint-disable-line @typescript-eslint/no-empty-function - resetRoot(state?: PartialState<NavigationState> | NavigationState) {}, // eslint-disable-line @typescript-eslint/no-unused-vars, @typescript-eslint/no-empty-function - getRootState(): NavigationState { - return {} as any - }, -} - -export const setRootNavigation = (ref: React.RefObject<NavigationContainerRef>) => { - for (const method in RootNavigation) { - RootNavigation[method] = (...args: any) => { - if (ref.current) { - return ref.current[method](...args) - } - } - } -} - -/** - * Gets the current screen from any navigation state. - */ -export function getActiveRouteName(state: NavigationState | PartialState<NavigationState>) { - const route = state.routes[state.index] - - // Found the active route -- return the name - if (!route.state) return route.name - - // Recursive call to deal with nested routers - return getActiveRouteName(route.state) -} - -/** - * Hook that handles Android back button presses and forwards those on to - * the navigation or allows exiting the app. - */ -export function useBackButtonHandler( - ref: React.RefObject<NavigationContainerRef>, - canExit: (routeName: string) => boolean, -) { - const canExitRef = useRef(canExit) - - useEffect(() => { - canExitRef.current = canExit - }, [canExit]) - - useEffect(() => { - // We'll fire this when the back button is pressed on Android. - const onBackPress = () => { - const navigation = ref.current - - if (navigation == null) { - return false - } - - // grab the current route - const routeName = getActiveRouteName(navigation.getRootState()) - - // are we allowed to exit? - if (canExitRef.current(routeName)) { - // let the system know we've not handled this event - return false - } - - // we can't exit, so let's turn this into a back action - if (navigation.canGoBack()) { - navigation.goBack() - - return true - } - - return false - } - - // Subscribe when we come to life - BackHandler.addEventListener('hardwareBackPress', onBackPress) - - // Unsubscribe when we're done - return () => BackHandler.removeEventListener('hardwareBackPress', onBackPress) - }, [ref]) -} - -/** - * Custom hook for persisting navigation state. - */ -export function useNavigationPersistence(storage: any, persistenceKey: string) { - const [initialNavigationState, setInitialNavigationState] = useState() - const [isRestoringNavigationState, setIsRestoringNavigationState] = useState(true) - - const routeNameRef = useRef() - const onNavigationStateChange = (state) => { - const previousRouteName = routeNameRef.current - const currentRouteName = getActiveRouteName(state) - - if (previousRouteName !== currentRouteName) { - // track screens. - __DEV__ && console.tron.log(currentRouteName) - } - - // Save the current route name for later comparision - routeNameRef.current = currentRouteName - - // Persist state to storage - storage.save(persistenceKey, state) - } - - const restoreState = async () => { - try { - const state = await storage.load(persistenceKey) - if (state) setInitialNavigationState(state) - } finally { - setIsRestoringNavigationState(false) - } - } - - useEffect(() => { - if (isRestoringNavigationState) restoreState() - }, [isRestoringNavigationState]) - - return { onNavigationStateChange, restoreState, initialNavigationState } -} diff --git a/app_expo/navigators/root-navigator.tsx b/app_expo/navigators/root-navigator.tsx deleted file mode 100644 index ed48dd5..0000000 --- a/app_expo/navigators/root-navigator.tsx +++ /dev/null @@ -1,59 +0,0 @@ -/** - * The root navigator is used to switch between major navigation flows of your app. - * Generally speaking, it will contain an auth flow (registration, login, forgot password) - * and a "main" flow (which is contained in your MainNavigator) which the user - * will use once logged in. - */ -import React from 'react' -import { NavigationContainer, NavigationContainerRef } from '@react-navigation/native' -import { createStackNavigator } from '@react-navigation/stack' -import { MainNavigator } from './main-navigator' -import { color } from '../theme' - -/** - * This type allows TypeScript to know what routes are defined in this navigator - * as well as what properties (if any) they might take when navigating to them. - * - * We recommend using MobX-State-Tree store(s) to handle state rather than navigation params. - * - * For more information, see this documentation: - * https://reactnavigation.org/docs/params/ - * https://reactnavigation.org/docs/typescript#type-checking-the-navigator - */ -export type RootParamList = { - mainStack: undefined -} - -const Stack = createStackNavigator<RootParamList>() - -const RootStack = () => { - return ( - <Stack.Navigator - screenOptions={{ - cardStyle: { backgroundColor: color.palette.deepPurple }, - headerShown: false, - }} - > - <Stack.Screen - name="mainStack" - component={MainNavigator} - options={{ - headerShown: false, - }} - /> - </Stack.Navigator> - ) -} - -export const RootNavigator = React.forwardRef< - NavigationContainerRef, - Partial<React.ComponentProps<typeof NavigationContainer>> ->((props, ref) => { - return ( - <NavigationContainer {...props} ref={ref}> - <RootStack /> - </NavigationContainer> - ) -}) - -RootNavigator.displayName = 'RootNavigator' |