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refactor(modal): use portal close #79
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,228 @@ | ||
| import React from 'react'; | ||
| import { Animated, Dimensions, Easing, StyleSheet, TouchableWithoutFeedback, View, ViewStyle } from 'react-native'; | ||
| import { Portal } from '../portal'; | ||
|
|
||
| const styles = StyleSheet.create({ | ||
| wrap: { | ||
| flex: 1, | ||
| backgroundColor: 'rgba(0,0,0,0)', | ||
| } as ViewStyle, | ||
| mask: { | ||
| backgroundColor: 'black', | ||
| opacity: 0.5, | ||
| } as ViewStyle, | ||
| content: { | ||
| backgroundColor: 'white', | ||
| } as ViewStyle, | ||
| absolute: { | ||
| position: 'absolute', | ||
| top: 0, | ||
| bottom: 0, | ||
| left: 0, | ||
| right: 0, | ||
| }, | ||
| }); | ||
|
|
||
| const screen = Dimensions.get('window'); | ||
|
|
||
| export interface IModalPropTypes { | ||
| wrapStyle?: ViewStyle; | ||
| maskStyle?: ViewStyle; | ||
| style?: {}; | ||
| animationType: 'none' | 'fade' | 'slide-up' | 'slide-down'; | ||
| animationDuration?: number; | ||
| visible: boolean; | ||
| maskClosable?: boolean; | ||
| animateAppear?: boolean; | ||
| onClose?: () => void; | ||
| onAnimationEnd?: (visible: boolean) => void; | ||
| } | ||
|
|
||
| export default class RCModal extends React.Component<IModalPropTypes, any> { | ||
| static defaultProps = { | ||
| wrapStyle: styles.wrap, | ||
| maskStyle: styles.mask, | ||
| animationType: 'slide-up', | ||
| animateAppear: false, | ||
| animationDuration: 300, | ||
| visible: false, | ||
| maskClosable: true, | ||
| onClose() {}, | ||
| onAnimationEnd(_visible: boolean) {}, | ||
| } as IModalPropTypes; | ||
|
|
||
| animMask: any; | ||
| animDialog: any; | ||
| constructor(props: IModalPropTypes) { | ||
| super(props); | ||
| const { visible } = props; | ||
| this.state = { | ||
| position: new Animated.Value(this.getPosition(visible)), | ||
| scale: new Animated.Value(this.getScale(visible)), | ||
| opacity: new Animated.Value(this.getOpacity(visible)), | ||
| modalVisible: visible, | ||
| }; | ||
| } | ||
| componentWillReceiveProps(nextProps: IModalPropTypes) { | ||
| if (this.shouldComponentUpdate(nextProps, null)) { | ||
| this.setState({ | ||
| modalVisible: true, | ||
| }); | ||
| } | ||
| } | ||
| shouldComponentUpdate(nextProps: IModalPropTypes, nextState: any) { | ||
| if (this.props.visible || this.props.visible !== nextProps.visible) { | ||
| return true; | ||
| } | ||
| if (nextState) { | ||
| if (nextState.modalVisible !== this.state.modalVisible) { | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
| componentDidMount() { | ||
| if (this.props.animateAppear && this.props.animationType !== 'none') { | ||
| this.componentDidUpdate({} as IModalPropTypes); | ||
| } | ||
| } | ||
| componentDidUpdate(prevProps: IModalPropTypes) { | ||
| const { props } = this; | ||
| if (prevProps.visible !== props.visible) { | ||
| this.animateDialog(props.visible); | ||
| } | ||
| } | ||
| animateMask = (visible: boolean) => { | ||
| this.stopMaskAnim(); | ||
| this.state.opacity.setValue(this.getOpacity(!visible)); | ||
| this.animMask = Animated.timing(this.state.opacity, { | ||
| toValue: this.getOpacity(visible), | ||
| duration: this.props.animationDuration, | ||
| useNativeDriver: true, | ||
| }); | ||
| this.animMask.start(() => { | ||
| this.animMask = null; | ||
| }); | ||
| }; | ||
| stopMaskAnim = () => { | ||
| if (this.animMask) { | ||
| this.animMask.stop(); | ||
| this.animMask = null; | ||
| } | ||
| }; | ||
| stopDialogAnim = () => { | ||
| if (this.animDialog) { | ||
| this.animDialog.stop(); | ||
| this.animDialog = null; | ||
| } | ||
| }; | ||
| animateDialog = (visible: boolean) => { | ||
| this.stopDialogAnim(); | ||
| this.animateMask(visible); | ||
|
|
||
| let { animationType, animationDuration } = this.props; | ||
| animationDuration = animationDuration!; | ||
| if (animationType !== 'none') { | ||
| if (animationType === 'slide-up' || animationType === 'slide-down') { | ||
| this.state.position.setValue(this.getPosition(!visible)); | ||
| this.animDialog = Animated.timing(this.state.position, { | ||
| toValue: this.getPosition(visible), | ||
| duration: animationDuration, | ||
| easing: (visible ? Easing.elastic(0.8) : undefined) as any, | ||
| useNativeDriver: true, | ||
| }); | ||
| } else if (animationType === 'fade') { | ||
| this.animDialog = Animated.parallel([ | ||
| Animated.timing(this.state.opacity, { | ||
| toValue: this.getOpacity(visible), | ||
| duration: animationDuration, | ||
| easing: (visible ? Easing.elastic(0.8) : undefined) as any, | ||
| useNativeDriver: true, | ||
| }), | ||
| Animated.spring(this.state.scale, { | ||
| toValue: this.getScale(visible), | ||
| useNativeDriver: true, | ||
| }), | ||
| ]); | ||
| } | ||
|
|
||
| this.animDialog.start(() => { | ||
| this.animDialog = null; | ||
| if (!visible) { | ||
| this.setState({ | ||
| modalVisible: false, | ||
| }); | ||
| } | ||
| if (this.props.onAnimationEnd) { | ||
| this.props.onAnimationEnd(visible); | ||
| } | ||
| }); | ||
| } else { | ||
| if (!visible) { | ||
| this.setState({ | ||
| modalVisible: false, | ||
| }); | ||
| } | ||
| } | ||
| }; | ||
| close = () => { | ||
| this.animateDialog(false); | ||
| }; | ||
| onMaskClose = () => { | ||
| if (this.props.maskClosable && this.props.onClose) { | ||
| this.props.onClose(); | ||
| } | ||
| }; | ||
| getPosition = (visible: boolean) => { | ||
| if (visible) { | ||
| return 0; | ||
| } | ||
| return this.props.animationType === 'slide-down' | ||
| ? -screen.height | ||
| : screen.height; | ||
| }; | ||
| getScale = (visible: boolean) => { | ||
| return visible ? 1 : 1.05; | ||
| }; | ||
| getOpacity = (visible: boolean) => { | ||
| return visible ? 1 : 0; | ||
| }; | ||
| render() { | ||
| const { props } = this; | ||
| if (!this.state.modalVisible) { | ||
| return null as any; | ||
| } | ||
| const animationStyleMap = { | ||
| none: {}, | ||
| 'slide-up': { transform: [{ translateY: this.state.position }] }, | ||
| 'slide-down': { transform: [{ translateY: this.state.position }] }, | ||
| fade: { | ||
| transform: [{ scale: this.state.scale }], | ||
| opacity: this.state.opacity, | ||
| }, | ||
| }; | ||
|
|
||
| return ( | ||
| <Portal> | ||
| <View style={[styles.wrap, props.wrapStyle]}> | ||
| <TouchableWithoutFeedback onPress={this.onMaskClose}> | ||
| <Animated.View | ||
| style={[styles.absolute, { opacity: this.state.opacity }]} | ||
| > | ||
| <View style={[styles.absolute, props.maskStyle]} /> | ||
| </Animated.View> | ||
| </TouchableWithoutFeedback> | ||
| <Animated.View | ||
| style={[ | ||
| styles.content, | ||
| props.style, | ||
| animationStyleMap[props.animationType], | ||
| ]} | ||
| > | ||
| {this.props.children} | ||
| </Animated.View> | ||
| </View> | ||
| </Portal> | ||
| ); | ||
| } | ||
| } |
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