# All files / atlas-mobile-ts/src/navigation MapNavigator.tsx

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     import { createStackNavigator, StackNavigationProp } from "@react-navigation/stack"
    import React, { useEffect } from "react"
    import { AppState, Platform, ScrollView, View, Image } from "react-native"
    import OutdoorMap, { AuthTabsMapRouteProp } from "../components/Map/MainMapComponent/OutdoorMap"
    import IndoorMap from "../components/Map/MainMapComponent/IndoorMap"
    import { AuthTabsNavigationProp, AuthTabsParamList } from "./AuthorizedNavigator"
    import { RouteProp, useNavigation, useRoute } from "@react-navigation/native"
    import AddLandmarkPanel from "../components/Map/Panels/AddLandmarkPanel"
    import LandmarkDetails from "../components/Map/Panels/LandmarkDetailsPanel/LandmarkDetails"
    import { FilterPanel } from "../components/Map/Panels/FilterPanel/FilterPanel"
    import NearbyLandmarksPanel from "../components/Map/Panels/NearbyLandmarksPanel"
    import { useMapState } from "../components/Map/MainMapComponent/useMapState"
    import { Landmark, useLandmarks } from "../hooks/useLandmarks"
    import { checkVoicePermissions, colors, getMapPermissions, lmTypes } from "../utils/GlobalUtils"
    import { PERMISSIONS } from "react-native-permissions"
    import { authStore } from "../libs/auth/AuthStore"
    import { observer } from "mobx-react"
    import { LatLng } from "react-native-maps"
    import Spokestack from 'react-native-spokestack';
    import { IconButton } from "../components/Buttons"
    import { Chip } from "react-native-paper"
    import { FontAwesome } from "@expo/vector-icons"
    import mapStyles from "../components/Map/MainMapComponent/Map.styles"
    import { BottomTabBarOptions } from "@react-navigation/bottom-tabs"

    const MapStackNavigator = createStackNavigator()

    export type MapStackParamList = {
        Outdoor: {selectedLandmark: string, selectedLandmarks: string[]},
        Indoor: React.FC,
    }

    export type MapStackNavigationProp = StackNavigationProp<MapStackParamList>

    interface MapNavigatorProps {
        authNavigation: AuthTabsNavigationProp
        route: AuthTabsMapRouteProp
    }

    const tabBarOptions: BottomTabBarOptions = {
        //keyboardHidesTabBar: true,
        activeTintColor: 'white',
        activeBackgroundColor: '#e35555',
        inactiveTintColor: "lightgray",

        style: {backgroundColor: colors.red, height: 60, justifyContent: 'center'},
        labelStyle: {marginBottom: 7},
        iconStyle: {marginBottom: 7}
    }

    const MapNavigator: React.FC<MapNavigatorProps> = ({route}) => {
        const mapState = useMapState()
        const authNavigation = useNavigation() as AuthTabsNavigationProp
        const authRoute = useRoute() as AuthTabsMapRouteProp

        // bring in all landmarks from useLandmark hook
        const { landmarks, refetchLandmarks } = useLandmarks({});

        /**
         * Clear selected landmark when landmark details panel is closed
         */
         useEffect(() => {
            Iif (!mapState.lmDetailsVisible) {
                mapState.setSelectedLandmarkId('')
            }
        }, [mapState.lmDetailsVisible])

        useEffect(() => {
            const refetchLandmarksOnFilterOptionsChange = async () => {
                applyFilters(landmarks)
                console.log('[Map]: Filters changed')
            }
            refetchLandmarksOnFilterOptionsChange()
        }, [mapState.lmFilteredTypes, mapState.onlyOwned, mapState.minLmRating])

        const applyFilters = (landmarks: Landmark[]): Landmark[] => {
            Iif (landmarks?.length > 0) {
                Iif (mapState.minLmRating > 0) {
                    landmarks = landmarks?.filter(lm => lm && lm.rating >= mapState.minLmRating);
                }

                Iif (mapState.lmFilteredTypes?.length > 0) {
                    Iif (mapState.lmFilteredTypes.length > 0) {
                        landmarks = landmarks?.filter(lm => mapState.lmFilteredTypes.includes(lm?.landmark_type));
                    }
                }

                Iif (mapState.onlyOwned) {
                    landmarks = landmarks?.filter(lm => lm.user == authStore.userId);
                }
            }

            return landmarks
        }

        /**
         * Triggered by on a {@link Landmark} displayed on the map.
         * Sets {@linkcode selectedLandmark} to the pressed {@link Landmark} object's value and toggles the {@link LandmarkDetails} modal.
         */
        const focusLandmark = (landmark: Landmark) => {
            if (mapState.selectedLandmarkId == landmark.id) {
                mapState.toggleLmDetails(true)
            }
            else {
                mapState.setSelectedLandmarkId(landmark.id);
            }
        }

            /**
         * Triggered by long pressing on the map.
         * Sets {@linkcode newLandmarkState} to a skeleton {@link Landmark} object that only contains the pressed coordinates.
         * Triggers {@link openAddLandmark} via useEffect because the asyncronous nature of useState does not set the coordinates fast enough to toggle the
         * modal directly through this method (this issue shows up in many other parts of the app where a modal is toggled by a boolean, and is solved in the same way).
         */
        const promptAddLandmark = (longitude?: number, latitude?: number) => {
            console.log('[Map]: Opening add landmark panel...')
            mapState.setNewLandmark({latitude: latitude, longitude: longitude});
            mapState.toggleLmAdd(true)
            mapState.toggleLmDetails(false)
        }

        return (
            <View style={{flex: 1}}>
                <MapStackNavigator.Navigator screenOptions={{ headerShown: false }} initialRouteName="Outdoor">
                    <MapStackNavigator.Screen name="Outdoor" >
                        {({navigation}) =>
                        <OutdoorMap
                            newLandmark={mapState.newLandmark}
                            setNewLandmark={mapState.setNewLandmark}
                            promptAddLandmark={promptAddLandmark}
                            toggleLmAdd={mapState.toggleLmAdd}
                            toggleLmDetails={mapState.toggleLmDetails}
                            applyFilters={applyFilters}
                            focusLandmark={focusLandmark}
                            route={authRoute}
                            mapNavigation={navigation}
                            authNavigation={authNavigation}
                            landmarks={landmarks}
                            selectedLandmarkId={mapState.selectedLandmarkId}
                            setSelectedLandmarkId={mapState.setSelectedLandmarkId} />}
                    </MapStackNavigator.Screen>
                    <MapStackNavigator.Screen name="Indoor" component={IndoorMap} />
                </MapStackNavigator.Navigator>
                {/*Filter chips and button*/}
                {!mapState.filterVisible ?
                <View style={{top: 10, marginLeft: 40, marginRight: 20, position: 'absolute', flexDirection: "row-reverse", justifyContent: 'flex-end'}}>
                    <IconButton size={20} color={colors.red} style={[mapStyles.filterButton]} icon="filter" onPress={() => mapState.toggleFilter(true)}/>
                    <ScrollView horizontal={true} contentContainerStyle={{alignItems: 'center'}} style={{marginHorizontal: 10, flexDirection: 'row'}}>
                    {mapState.onlyOwned ? <Chip avatar={(<FontAwesome name="user" size={20} color='gray' style={{textAlign: 'center', textAlignVertical: 'center'}} />)} style={{borderWidth: 1, borderColor: 'lightgray', marginRight: 5, marginLeft: 10}} onClose={() => mapState.toggleOnlyOwned(false)}>My landmarks</Chip> : null}
                    {mapState.lmFilteredTypes.map((type, i) => {
                        return (
                            <Chip key={i} avatar={(<Image style={{height: 22, width: 17}} source={lmTypes[type].image} />)} style={{borderWidth: 1, borderColor: 'lightgray', marginHorizontal: 5, justifyContent: 'center'}} onClose={() => mapState.setLmTypeFilter(mapState.lmFilteredTypes.filter(t => t !== type))}>{lmTypes[type].label}</Chip>
                        )
                    })}
                    {mapState.minLmRating > 0 ? <Chip avatar={(<FontAwesome name="star" size={20} color='gray' style={{textAlign: 'center', textAlignVertical: 'center'}} />)} style={{borderWidth: 1, borderColor: 'lightgray', marginLeft: 5, marginRight: 10}} onClose={() => mapState.setMinLmRating(0)}>Minimum rating: {mapState.minLmRating}</Chip> : null}
                    </ScrollView>
                </View> : null}
                <AddLandmarkPanel
                    setNewLandmark={mapState.setNewLandmark}
                    setVisible={mapState.toggleLmAdd}
                    newLandmark={mapState.newLandmark}
                    visible={mapState.lmAddVisible} />
                <LandmarkDetails
                    visible={mapState.lmDetailsVisible}
                    toggleLmDetails={mapState.toggleLmDetails}
                    setLandmark={mapState.setSelectedLandmarkId}
                    toggleDetailsPanel={mapState.toggleLmDetails}
                    setEditing={mapState.toggleLmDetailsEditing}
                    editingEnabled={mapState.lmDetailsEditing}
                    landmarkId={mapState.selectedLandmarkId} />
                <FilterPanel
                    visible={mapState.filterVisible}
                    toggleOnlyOwned={mapState.toggleOnlyOwned}
                    onlyOwned={mapState.onlyOwned} toggleFilter={mapState.toggleFilter}
                    setMinLmRating={mapState.setMinLmRating}
                    setLmFilteredTypes={mapState.setLmTypeFilter}
                    lmFilteredTypes={mapState.lmFilteredTypes}
                    minLmRating={mapState.minLmRating} />
            </View>
        )
    }

    export default observer(MapNavigator)