# Code coverage report for atlas-mobile-ts/src/components/Map/Panels/FilterPanel/FilterPanel.tsx

# All files / atlas-mobile-ts/src/components/Map/Panels/FilterPanel FilterPanel.tsx

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0% Branches 0/4
0% Functions 0/18
0% Lines 0/61

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     ﻿/* Copyright (C) Click & Push Accessibility, Inc - All Rights Reserved
     * Unauthorized copying of this file, via any medium is strictly prohibited
     * Proprietary and confidential
     * Written and maintained by the Click & Push Development team
     * <dev@clicknpush.ca>, January 2022
     */

    import Slider from '@react-native-community/slider'
    import React, { useEffect, useState } from "react"
    import { Keyboard, Text, TextInput, TouchableOpacity, View } from "react-native"
    import Modal from 'react-native-modal'
    import Select from "react-native-multiple-select"
    import Checkbox from "@react-native-community/checkbox"
    import { SafeAreaView } from 'react-native-safe-area-context'
    import { useLandmarks } from '../../../../hooks/useLandmarks'
    import { lmTypes } from "../../../../utils/GlobalUtils"
    import { IconButton } from "../../../Buttons"
    import { Separator } from "../../../Separator"
    import { FilterLmTypes } from './FilterLmTypes'
    import { FilterMinRating } from './FilterMinRating'

    interface FilterPanelProps {
        setMinLmRating: (min: number) => void,
        setLmFilteredTypes: (type: number[]) => void,
        toggleFilter: (state: boolean) => void,
        minLmRating: number,
        lmFilteredTypes: number[],
        onlyOwned: boolean,
        visible: boolean,
        toggleOnlyOwned: (state: boolean) => void
    }

    /**
     * Modal panel that displays filter controls for the landmarks
     */
    export const FilterPanel: React.FC<FilterPanelProps> = (props) => {
        /**
         * These three state variables are copies of their mapState counterparts, and are kept local to this component. They hold the values the sets user on this panel.
         * They are kept local until "Apply filters is pressed", which will copy their values into their mapState counterparts and trigger the filtering
         * These are used locally instead of the mapState values in order to prevent the entire Map component from re-rendering every time one of these values is changed,
         * greatly improving performance of this component
        */
        const [localMinRating, setLocalMinRating] = useState<number>(props.minLmRating)
        const [localFilterTypes, setLocalFilterTypes] = useState<number[]>(props.lmFilteredTypes)
        const [localOwned, toggleLocalOwned] = useState<boolean>(props.onlyOwned)

        /**
         * Resets all map filter values
         */
        const resetFilters = () => {
            props.setLmFilteredTypes([])
            props.setMinLmRating(0)
            props.toggleOnlyOwned(false)
        }

        /**
         * Resets only local filter values
         */
        const cancelChanges = () => {
            setLocalFilterTypes([])
            setLocalMinRating(0)
            toggleLocalOwned(false)
        }

        /**
         * Sets the map's filter state to the value of the local filter state, clears the local state, closes the panel and refetches the landmarks.
         */
        const applyChanges = () => {
            props.setMinLmRating(localMinRating)
            props.setLmFilteredTypes(localFilterTypes)
            props.toggleOnlyOwned(localOwned)
            props.toggleFilter(false)
            setLocalMinRating(0)
            setLocalFilterTypes([])
            toggleLocalOwned(false)
        }

        /**
         * Sets the local state the map's current filter state. Runs when the panel is opened
         */
        const addExistingFilters = () => {
            toggleLocalOwned(props.onlyOwned)
            setLocalFilterTypes(props.lmFilteredTypes)
            setLocalMinRating(props.minLmRating)
        }

        // useEffects that update local settings based on parent changes (e.g. deleting a chip)
        useEffect(() => {
            setLocalMinRating(props.minLmRating)
        }, [props.minLmRating])

        useEffect(() => {
            setLocalFilterTypes(props.lmFilteredTypes)
        }, [props.lmFilteredTypes])

        useEffect(() => {
            toggleLocalOwned(props.onlyOwned)
        }, [props.onlyOwned])

        useEffect(() => {
            if (props.visible) console.log('[Map]: Filter panel opening')
            else console.log('[Map]: Filter panel closing')
        }, [props.visible])

        /**
         * State that holds keyboard open or close state
         */
         const [keyboardIsOpen, setKeyboardState] = useState<boolean>(false);

        /**
        * Map effects
        */
        useEffect(() => {
        const keyboardHideListener = Keyboard.addListener('keyboardDidHide', () => {
            setKeyboardState(false)
        })
        const keyboardShowListener = Keyboard.addListener('keyboardDidShow', () => {
            setKeyboardState(true)
        })
        return () => {
            keyboardHideListener.remove();
            keyboardShowListener.remove();
        }
        }, [])

        const OwnedFilter: React.FC = () => {
            return (
                <View style={{flexDirection: 'row', alignItems: 'center', marginBottom: 10}} >
                    <Text>Only show my landmarks:</Text>
                    <Checkbox value={localOwned} onValueChange={() => toggleLocalOwned(!localOwned)} boxType="square" style={{marginLeft: 20, width: 25, height: 25, marginBottom:10}} />
                </View>
            )
        }

        const FilterButtons: React.FC = () => {
            return (
                <View style={{marginTop: 20, flexDirection: 'row', alignSelf: 'flex-end'}}>
                    <TouchableOpacity style={{marginRight: 40}} onPress={resetFilters}>
                        <Text>Reset</Text>
                    </TouchableOpacity>
                    <TouchableOpacity onPress={() => applyChanges()}>
                        <Text>Apply</Text>
                    </TouchableOpacity>
                </View>
            )
        }

        return (
            <Modal
                onModalWillShow={addExistingFilters}
                useNativeDriver={true}
                useNativeDriverForBackdrop={true}
                isVisible={props.visible}
                animationIn={'slideInDown'}
                animationOut={'slideOutUp'}
                style={{justifyContent: 'flex-start', height: '100%', width: '100%', margin: 0}}
                swipeDirection={'up'}
                onBackdropPress={() => {
                    if (keyboardIsOpen) {
                        Keyboard.dismiss()
                    }
                    else {
                        cancelChanges();
                        props.toggleFilter(false);
                    }
                }} >
                    <SafeAreaView style={{padding: 20, backgroundColor: 'white'}}>
                        <FilterMinRating
                            localMinRating={localMinRating}
                            setLocalMinRating={setLocalMinRating}
                            cancelChanges={cancelChanges}
                            toggleFilter={props.toggleFilter} />
                        <FilterLmTypes localFilterTypes={localFilterTypes} setLocalFilterTypes={setLocalFilterTypes} />
                        <OwnedFilter />
                        <Separator color='grey' />
                        <FilterButtons />
                    </SafeAreaView>
                </Modal>

        )
    }