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| 1 | +import React, {useCallback, useState, useRef} from 'react'; |
| 2 | +import {StyleSheet} from 'react-native'; |
| 3 | +import {SortableList, View, Text, Colors, Button, Card, BorderRadiuses} from 'react-native-ui-lib'; |
| 4 | +import {renderHeader} from '../ExampleScreenPresenter'; |
| 5 | +import products from '../../data/products'; |
| 6 | + |
| 7 | +const data = products.map((product, index) => ({...product, locked: index === 3})); |
| 8 | +type Item = (typeof data)[0]; |
| 9 | + |
| 10 | +const HorizontalSortableListScreen = () => { |
| 11 | + const [items, setItems] = useState<Item[]>(data); |
| 12 | + const [selectedItems, setSelectedItems] = useState<Item[]>([]); |
| 13 | + const [removedItems, setRemovedItems] = useState<Item[]>([]); |
| 14 | + const orderedItems = useRef<Item[]>(data); |
| 15 | + |
| 16 | + const toggleItemSelection = useCallback((item: Item) => { |
| 17 | + if (selectedItems.includes(item)) { |
| 18 | + setSelectedItems(selectedItems.filter(selectedItem => ![item.id].includes(selectedItem.id))); |
| 19 | + } else { |
| 20 | + setSelectedItems(selectedItems.concat(item)); |
| 21 | + } |
| 22 | + }, |
| 23 | + [selectedItems, setSelectedItems]); |
| 24 | + |
| 25 | + const addItem = useCallback(() => { |
| 26 | + if (removedItems.length > 0) { |
| 27 | + orderedItems.current = orderedItems.current.concat(removedItems[0]); |
| 28 | + setItems(orderedItems.current); |
| 29 | + setRemovedItems(removedItems.slice(1)); |
| 30 | + } |
| 31 | + }, [removedItems, setItems, setRemovedItems]); |
| 32 | + |
| 33 | + const removeSelectedItems = useCallback(() => { |
| 34 | + setRemovedItems(removedItems.concat(selectedItems)); |
| 35 | + setSelectedItems([]); |
| 36 | + orderedItems.current = orderedItems.current.filter(item => !selectedItems.includes(item)); |
| 37 | + setItems(orderedItems.current); |
| 38 | + }, [setRemovedItems, removedItems, selectedItems, setItems, setSelectedItems]); |
| 39 | + |
| 40 | + const keyExtractor = useCallback((item: Item) => { |
| 41 | + return `${item.id}`; |
| 42 | + }, []); |
| 43 | + |
| 44 | + const onOrderChange = useCallback((newData: Item[]) => { |
| 45 | + console.log('New order:', newData); |
| 46 | + orderedItems.current = newData; |
| 47 | + }, []); |
| 48 | + |
| 49 | + const renderItem = useCallback(({item, index: _index}: {item: Item; index: number}) => { |
| 50 | + const selected = selectedItems.includes(item); |
| 51 | + const {locked} = item; |
| 52 | + const Container = locked ? View : Card; |
| 53 | + return ( |
| 54 | + <Container |
| 55 | + style={styles.itemContainer} |
| 56 | + onPress={() => toggleItemSelection(item)} |
| 57 | + customValue={item.id} |
| 58 | + selected={selected} |
| 59 | + margin-s1 |
| 60 | + > |
| 61 | + <Card.Section |
| 62 | + imageSource={{uri: item.mediaUrl}} |
| 63 | + imageStyle={styles.itemImage} |
| 64 | + imageProps={{ |
| 65 | + customOverlayContent: ( |
| 66 | + <Text margin-s1={!locked} h1={!locked} h4={locked} center={locked} orange30> |
| 67 | + {locked ? 'Locked' : item.id} |
| 68 | + </Text> |
| 69 | + ) |
| 70 | + }} |
| 71 | + /> |
| 72 | + </Container> |
| 73 | + ); |
| 74 | + }, |
| 75 | + [selectedItems, toggleItemSelection]); |
| 76 | + |
| 77 | + return ( |
| 78 | + <View flex bg-$backgroundDefault> |
| 79 | + {renderHeader('Sortable List', {'margin-10': true})} |
| 80 | + <View row center marginB-s2> |
| 81 | + <Button label="Add Item" size={Button.sizes.xSmall} disabled={removedItems.length === 0} onPress={addItem}/> |
| 82 | + <Button |
| 83 | + label="Remove Items" |
| 84 | + size={Button.sizes.xSmall} |
| 85 | + disabled={selectedItems.length === 0} |
| 86 | + marginL-s3 |
| 87 | + onPress={removeSelectedItems} |
| 88 | + /> |
| 89 | + </View> |
| 90 | + <View flex useSafeArea> |
| 91 | + <SortableList |
| 92 | + horizontal |
| 93 | + data={items} |
| 94 | + renderItem={renderItem} |
| 95 | + keyExtractor={keyExtractor} |
| 96 | + onOrderChange={onOrderChange} |
| 97 | + scale={1.02} |
| 98 | + /> |
| 99 | + </View> |
| 100 | + </View> |
| 101 | + ); |
| 102 | +}; |
| 103 | + |
| 104 | +export default HorizontalSortableListScreen; |
| 105 | +const styles = StyleSheet.create({ |
| 106 | + itemContainer: { |
| 107 | + overflow: 'hidden', |
| 108 | + borderColor: Colors.$outlineDefault, |
| 109 | + borderBottomWidth: 1 |
| 110 | + }, |
| 111 | + selectedItemContainer: { |
| 112 | + borderLeftColor: Colors.$outlinePrimary, |
| 113 | + borderLeftWidth: 5 |
| 114 | + }, |
| 115 | + itemImage: { |
| 116 | + width: 80, |
| 117 | + height: 80, |
| 118 | + borderRadius: BorderRadiuses.br10 |
| 119 | + } |
| 120 | +}); |
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