130 lines
4.1 KiB
TypeScript
130 lines
4.1 KiB
TypeScript
/*
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* Copyright (c) 2019 - 2020 Arnaud Vergnet.
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*
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* This file is part of Campus INSAT.
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*
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* Campus INSAT is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Campus INSAT is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Campus INSAT. If not, see <https://www.gnu.org/licenses/>.
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*/
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import * as React from 'react';
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import { List, useTheme } from 'react-native-paper';
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import { FlatList, StyleSheet } from 'react-native';
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import GroupListItem from './GroupListItem';
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import AnimatedAccordion from '../../Animations/AnimatedAccordion';
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import type {
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PlanexGroupType,
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PlanexGroupCategoryType,
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} from '../../../screens/Planex/GroupSelectionScreen';
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import i18n from 'i18n-js';
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type PropsType = {
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item: PlanexGroupCategoryType;
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favorites: Array<PlanexGroupType>;
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onGroupPress: (data: PlanexGroupType) => void;
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onFavoritePress: (data: PlanexGroupType) => void;
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currentSearchString: string;
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};
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const LIST_ITEM_HEIGHT = 64;
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const REPLACE_REGEX = /_/g;
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// The minimum number of characters to type before expanding the accordion
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// This prevents expanding too many items at once
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const MIN_SEARCH_SIZE_EXPAND = 2;
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const styles = StyleSheet.create({
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container: {
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justifyContent: 'center',
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},
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});
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function GroupListAccordion(props: PropsType) {
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const theme = useTheme();
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const getRenderItem = ({ item }: { item: PlanexGroupType }) => {
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return (
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<GroupListItem
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height={LIST_ITEM_HEIGHT}
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item={item}
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isFav={props.favorites.some((f) => f.id === item.id)}
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onPress={() => props.onGroupPress(item)}
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onStarPress={() => props.onFavoritePress(item)}
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/>
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);
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};
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const itemLayout = (
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_data: Array<PlanexGroupType> | null | undefined,
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index: number
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): { length: number; offset: number; index: number } => ({
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length: LIST_ITEM_HEIGHT,
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offset: LIST_ITEM_HEIGHT * index,
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index,
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});
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const keyExtractor = (item: PlanexGroupType): string => item.id.toString();
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var isFavorite = props.item.id === 0;
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var isEmptyFavorite = isFavorite && props.favorites.length === 0;
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return (
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<AnimatedAccordion
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title={
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isEmptyFavorite
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? i18n.t('screens.planex.favorites.empty.title')
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: props.item.name.replace(REPLACE_REGEX, ' ')
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}
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subtitle={
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isEmptyFavorite
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? i18n.t('screens.planex.favorites.empty.subtitle')
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: undefined
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}
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style={styles.container}
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left={(iconProps) =>
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isFavorite ? (
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<List.Icon
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style={iconProps.style}
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icon={'star'}
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color={theme.colors.tetrisScore}
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/>
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) : undefined
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}
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unmountWhenCollapsed={!isFavorite} // Only render list if expanded for increased performance
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opened={
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props.currentSearchString.length >= MIN_SEARCH_SIZE_EXPAND ||
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(isFavorite && !isEmptyFavorite)
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}
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enabled={!isEmptyFavorite}
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renderItem={() => (
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<FlatList
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data={props.item.content}
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extraData={props.currentSearchString + props.favorites.length}
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renderItem={getRenderItem}
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keyExtractor={keyExtractor}
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listKey={props.item.id.toString()}
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// Performance props, see https://reactnative.dev/docs/optimizing-flatlist-configuration
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getItemLayout={itemLayout}
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removeClippedSubviews={true}
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/>
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)}
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/>
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);
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}
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const propsEqual = (pp: PropsType, np: PropsType) =>
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pp.currentSearchString === np.currentSearchString &&
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pp.favorites.length === np.favorites.length &&
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pp.item.content.length === np.item.content.length &&
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pp.onFavoritePress === np.onFavoritePress;
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export default React.memo(GroupListAccordion, propsEqual);
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