1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2x 2x 1x 1x 1x 1x 1x 1x | /*eslint-disable no-console */ import PropTypes from 'prop-types'; import React, { Component } from 'react'; import { View, Animated, PanResponder, Dimensions, StyleSheet, LayoutAnimation, UIManager, } from 'react-native'; const SCREEN_WIDTH = Dimensions.get('window').width; const SWIPE_THRESHOLD = 0.4 * SCREEN_WIDTH; const MOVE_THRESHOLD = 50; export default class SwipeDeck extends Component { static defaultProps = { onSwipeRight: () => {}, onSwipeLeft: () => {}, }; constructor(props) { super(props); const position = new Animated.ValueXY(); const panResponder = PanResponder.create({ // ignore touch and handle only move-gestures onMoveShouldSetPanResponderCapture: (e, gesture) => { return Math.abs(gesture.dx) > MOVE_THRESHOLD; }, onStartShouldSetPanResponder: () => true, onPanResponderMove: (event, gesture) => { position.setValue({ x: gesture.dx, y: gesture.dy }); }, onPanResponderRelease: (event, gesture) => { if (gesture.dx > SWIPE_THRESHOLD) { this.forceSwipe('right'); } else if (gesture.dx < -SWIPE_THRESHOLD) { this.forceSwipe('left'); } else { this.resetPosition(); } }, }); this.state = { panResponder, position, index: 0 }; } componentWillReceiveProps(nextProps) { if (nextProps.data !== this.props.data) { this.setState({ index: 0 }); } } componentWillUpdate() { UIManager.setLayoutAnimationEnabledExperimental && UIManager.setLayoutAnimationEnabledExperimental(true); LayoutAnimation.spring(); } forceSwipe(direction) { const x = direction === 'right' ? SCREEN_WIDTH : -SCREEN_WIDTH; Animated.timing(this.state.position, { toValue: { x: x * 2, y: direction === 'right' ? -x : x }, duration: 750, }).start(() => this.onSwipeComplete(direction)); } onSwipeComplete(direction) { const { onSwipeRight, onSwipeLeft, data } = this.props; const item = data[this.state.index]; direction === 'right' ? onSwipeRight(item) : onSwipeLeft(item); this.state.position.setValue({ x: 0, y: 0 }); this.setState({ index: this.state.index + 1 }); } resetPosition() { Animated.spring(this.state.position, { toValue: { x: 0, y: 0 }, }).start(); } getCardStyle() { const { position } = this.state; const rotate = position.x.interpolate({ inputRange: [-SCREEN_WIDTH * 2, 0, SCREEN_WIDTH * 2], outputRange: ['-60deg', '0deg', '60deg'], }); return { ...this.state.position.getLayout(), transform: [{ rotate }], }; } renderCards() { Iif (this.state.index >= this.props.data.length) { return this.props.renderNoMoreCards(); } return this.props.data .map((item, i) => { Iif (i < this.state.index) { return null; } else if (i === this.state.index) { return ( <Animated.View key={item.id} style={[this.getCardStyle(), styles.cardStyle]} {...this.state.panResponder.panHandlers} > {this.props.renderCard(item)} </Animated.View> ); } return ( <Animated.View key={item.id} style={[styles.cardStyle, { zIndex: 0 }]} > {this.props.renderCard(item)} </Animated.View> ); }) .reverse(); } render() { console.warn( "Warning: SwipeDeck has been deprecated and will be removed in a future version of React Native Elements. To keep up with it's development you can check the project here(https://github.com/Monte9/react-native-tinder-cards)." ); return ( <View> {this.renderCards()} </View> ); } } const styles = StyleSheet.create({ cardStyle: { position: 'absolute', width: SCREEN_WIDTH, }, }); SwipeDeck.propTypes = { data: PropTypes.any, renderCard: PropTypes.any, renderNoMoreCards: PropTypes.any, onSwipeRight: PropTypes.any, onSwipeLeft: PropTypes.any, }; |