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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| // @flow | ||
| import React from "react"; | ||
| import { Animated, StyleSheet, Easing } from "react-native"; | ||
| import type { ViewLayoutEvent } from "react-native/Libraries/Components/View/ViewPropTypes"; | ||
| import FilterHeaderButton from "./FilterHeaderButton"; | ||
|
|
||
| type Props = { | ||
| visible: boolean, | ||
| onPress: () => void | ||
| }; | ||
|
|
||
| type State = { | ||
| isAnimating: boolean | ||
| }; | ||
|
|
||
| const DEFAULT_HEIGHT = 120; | ||
| const DEFAULT_FADE_VALUE = 1; | ||
| const DEFAULT_TOP_OFFSET_VALUE = 1; | ||
|
|
||
| class ResetAllFiltersButton extends React.Component<Props, State> { | ||
| constructor(props: Props) { | ||
| super(props); | ||
| this.state = { | ||
| isAnimating: false | ||
| }; | ||
| } | ||
|
|
||
| setButtonHeight = (e: ViewLayoutEvent): void => { | ||
| const { height } = e.nativeEvent.layout; | ||
| this.height = height; | ||
| }; | ||
|
|
||
| fadeOut(): void { | ||
| this.props.onPress(); | ||
| this.setState({ isAnimating: true }); | ||
|
|
||
| Animated.parallel([ | ||
| Animated.timing(this.fadeValue, { | ||
| toValue: 0, | ||
| duration: 200 | ||
| }), | ||
| Animated.timing(this.topOffset, { | ||
| toValue: -this.height, | ||
| duration: 400, | ||
| easing: Easing.out(Easing.quad), | ||
| delay: 50 | ||
| }) | ||
| ]).start(this.animationFinished); | ||
| } | ||
|
|
||
| reset(): void { | ||
| this.topOffset = new Animated.Value(DEFAULT_TOP_OFFSET_VALUE); | ||
| this.fadeValue = new Animated.Value(DEFAULT_FADE_VALUE); | ||
| } | ||
|
|
||
| animationFinished = (): void => { | ||
| this.setState({ isAnimating: false }); | ||
| this.reset(); | ||
| }; | ||
|
|
||
| topOffset: Animated.Value = new Animated.Value(DEFAULT_TOP_OFFSET_VALUE); | ||
| fadeValue: Animated.Value = new Animated.Value(DEFAULT_FADE_VALUE); | ||
| height: number = DEFAULT_HEIGHT; | ||
|
|
||
| render() { | ||
| const isVisible: boolean = this.state.isAnimating || this.props.visible; | ||
| return ( | ||
| isVisible && ( | ||
| <Animated.View | ||
| onLayout={this.setButtonHeight} | ||
| style={[ | ||
| styles.clearAllWrapper, | ||
| { opacity: this.fadeValue, marginTop: this.topOffset } | ||
| ]} | ||
| > | ||
| <FilterHeaderButton | ||
| active={false} | ||
| text="Reset all filters" | ||
| label="Reset all filters" | ||
| style={styles.clearAll} | ||
| onPress={() => this.fadeOut()} | ||
| /> | ||
| </Animated.View> | ||
| ) | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| const styles = StyleSheet.create({ | ||
| clearAll: { | ||
| minHeight: 0, | ||
| paddingTop: 16 | ||
| }, | ||
| clearAllWrapper: { | ||
| flexDirection: "row", | ||
| justifyContent: "flex-end" | ||
| } | ||
| }); | ||
|
|
||
| export default ResetAllFiltersButton; |
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