Row.js
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import React, {Component} from 'react';
import {StyleSheet, View, Text, Animated, TouchableOpacity, TouchableHighlight, Slider, Dimensions} from 'react-native';
import Interactable from 'react-native-interactable';
const Screen = Dimensions.get('window');
export default class Row extends Component {
constructor(props) {
super(props);
this._deltaX = new Animated.Value(0);
this.state = {isMoving: false, position: 1};
}
render() {
const activeOpacity = this.state.position !== 1 ? 0.5 : 1;
return (
<View style={{backgroundColor: "#ea281a"}}>
<View style={{position: 'absolute', right: 0, height: 60, flexDirection: 'row', alignItems: 'center'}}>
<TouchableOpacity style={[styles.button]} onPress={this.onButtonPress.bind(this, 'trash')}>
<Text style={styles.font1}>删除</Text>
</TouchableOpacity>
</View>
<Interactable.View
ref={el => this.interactableElem = el}
horizontalOnly={true}
snapPoints={[
{x: 0, damping: 1 - this.props.damping, tension: this.props.tension},
{x: -81, damping: 1 - this.props.damping, tension: this.props.tension}
]}
onSnap={this.onSnap.bind(this)}
onDrag={this.onDrag.bind(this)}
onStop={this.onStopMoving.bind(this)}
dragToss={0.01}
animatedValueX={this._deltaX}>
<TouchableHighlight onPress={this.onRowPress.bind(this)} activeOpacity={activeOpacity}
underlayColor={'#dddddd'}>
<View style={{left: 0, right: 0, height: 60, backgroundColor: 'white'}}>
{this.props.children}
</View>
</TouchableHighlight>
</Interactable.View>
</View>
);
}
onSnap({nativeEvent}) {
const {index} = nativeEvent;
this.setState({position: index});
if(this.props.onSnap) {
this.props.onSnap();
}
}
onRowPress() {
const {isMoving, position} = this.state;
if (!isMoving && position !== 1) {
this.interactableElem.snapTo({index: 1});
}
if(this.props.onRowPress){
this.props.onRowPress();
}
}
onDrag({nativeEvent}) {
const {state} = nativeEvent;
if (state === 'start') {
this.setState({isMoving: true});
}
if(this.props.onDrag) {
this.props.onDrag({nativeEvent});
}
}
onStopMoving() {
this.setState({isMoving: false});
if(this.props.onStopMoving) {
this.props.onStopMoving();
}
}
onButtonPress(name) {
if(this.props.onButtonPress){
this.props.onButtonPress();
}
}
}
const styles = StyleSheet.create({
container: {
flex: 1,
backgroundColor: 'white'
},
rowContent: {
flex: 1,
flexDirection: 'row',
alignItems: 'center',
borderBottomWidth: 1,
borderColor: '#eeeeee'
},
rowIcon: {
width: 50,
height: 50,
borderRadius: 25,
backgroundColor: '#73d4e3',
margin: 20
},
rowTitle: {
fontWeight: 'bold',
fontSize: 20
},
rowSubtitle: {
fontSize: 18,
color: 'gray'
},
button: {
width: 81,
height: 60,
justifyContent: "center",
alignItems: "center",
backgroundColor: "#ea281a"
},
buttonImage: {
width: 40,
height: 40
},
playground: {
marginTop: Screen.height <= 500 ? 0 : 80,
padding: 20,
width: Screen.width - 40,
backgroundColor: '#5894f3',
alignItems: 'stretch',
alignSelf: 'center'
},
playgroundLabel: {
color: 'white',
fontSize: 14,
fontWeight: 'bold',
marginBottom: 15
},
slider: {
height: 40
},
font1: {
fontSize: 16,
color: "#ffffff"
}
});