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Hamburger.js
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Hamburger.js
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import React, { Component } from 'react';
import {
Animated,
TouchableWithoutFeedback,
Text,
View
} from 'react-native';
export default class Hamburger extends Component {
constructor(props) {
super(props);
this.state = {
active: false
}
}
spinCross() {
if (!this.state.active) {
Animated.spring(this.containerAnim, {
toValue: 1
}).start();
Animated.spring(this.topBar, {
toValue: .9
}).start();
Animated.spring(this.bottomBar, {
toValue: .9
}).start();
Animated.spring(this.bottomBarMargin, {
toValue: -10
}).start();
Animated.spring(this.middleBarOpacity, {
toValue: 0,
duration: 30
}).start();
} else {
this.setState({
active: false
});
Animated.spring(this.containerAnim, {
toValue: 0
}).start();
Animated.spring(this.topBar, {
toValue: 0
}).start();
Animated.spring(this.bottomBar, {
toValue: 0
}).start();
Animated.spring(this.bottomBarMargin, {
toValue: 4
}).start();
Animated.timing(this.middleBarOpacity, {
toValue: 1,
duration: 600
}).start();
}
}
cross() {
if (!this.state.active) {
Animated.spring(this.topBar, {
toValue: .9
}).start();
Animated.spring(this.bottomBar, {
toValue: .9
}).start();
Animated.spring(this.bottomBarMargin, {
toValue: -10
}).start();
Animated.timing(this.middleBarOpacity, {
toValue: 0,
duration: 30
}).start();
} else {
this.setState({
active: false
});
Animated.spring(this.topBar, {
toValue: 0
}).start();
Animated.spring(this.bottomBar, {
toValue: 0
}).start();
Animated.spring(this.bottomBarMargin, {
toValue: 4
}).start();
Animated.spring(this.middleBarOpacity, {
toValue: 1,
duration: 1200
}).start();
}
}
spinArrow() {
if (!this.state.active) {
Animated.spring(this.containerAnim, {
toValue: 1
}).start();
Animated.spring(this.topBar, {
toValue: 1
}).start();
Animated.spring(this.bottomBar, {
toValue: 1
}).start();
Animated.spring(this.width, {
toValue: 14
}).start();
Animated.spring(this.marginLeft, {
toValue: -13
}).start();
Animated.spring(this.bottomBarMargin, {
toValue: 2
}).start();
Animated.spring(this.topBarMargin, {
toValue: -2
}).start();
} else {
Animated.spring(this.containerAnim, {
toValue: 0
}).start();
Animated.spring(this.topBar, {
toValue: 0
}).start();
Animated.spring(this.bottomBar, {
toValue: 0
}).start();
Animated.spring(this.width, {
toValue: 25
}).start();
Animated.spring(this.marginLeft, {
toValue: 0
}).start();
Animated.spring(this.bottomBarMargin, {
toValue: 4
}).start();
Animated.spring(this.topBarMargin, {
toValue: 0
}).start();
}
}
arrow() {
if (!this.state.active) {
Animated.spring(this.topBar, {
toValue: 1
}).start();
Animated.spring(this.bottomBar, {
toValue: 1
}).start();
Animated.spring(this.width, {
toValue: 14
}).start();
Animated.spring(this.marginLeft, {
toValue: -13
}).start();
Animated.spring(this.bottomBarMargin, {
toValue: 2
}).start();
Animated.spring(this.topBarMargin, {
toValue: -2
}).start();
} else {
this.setState({
active: false
});
Animated.spring(this.topBar, {
toValue: 0
}).start();
Animated.spring(this.bottomBar, {
toValue: 0
}).start();
Animated.spring(this.width, {
toValue: 25
}).start();
Animated.spring(this.marginLeft, {
toValue: 0
}).start();
Animated.spring(this.bottomBarMargin, {
toValue: 4
}).start();
Animated.spring(this.topBarMargin, {
toValue: 0
}).start();
}
}
_animate() {
setTimeout(()=> {
this.setState({
active: this.props.active
});
}, 0);
const { props: { type } } = this;
type=="spinArrow" ? this.spinArrow() :
type=="arrow" ? this.arrow() :
type=="spinCross" ? this.spinCross() :
this.cross();
}
componentWillReceiveProps(nextProps) {
if (nextProps.active !== this.state.active) {
this._animate();
}
}
componentDidMount() {
setTimeout(()=> {
this.setState({
active: this.props.active
});
}, 0);
}
render() {
const { props: { color, type } } = this;
if (this.props.active) {
if (type=="spinArrow") {
this.containerAnim = this.containerAnim || new Animated.Value(1);
this.topBar = this.topBar || new Animated.Value(1);
this.bottomBar = this.bottomBar || new Animated.Value(1);
this.width = this.width || new Animated.Value(14);
this.marginLeft = this.marginLeft || new Animated.Value(-13);
this.bottomBarMargin = this.bottomBarMargin || new Animated.Value(2);
this.topBarMargin = this.topBarMargin || new Animated.Value(-2);
}
else if (type=="arrow") {
this.topBar = this.topBar || new Animated.Value(1);
this.bottomBar = this.bottomBar || new Animated.Value(1);
this.width = this.width || new Animated.Value(14);
this.marginLeft = this.marginLeft || new Animated.Value(-13);
this.bottomBarMargin = this.bottomBarMargin || new Animated.Value(2);
this.topBarMargin = this.topBarMargin || new Animated.Value(-2);
}
else if (type=="spinCross") {
this.containerAnim = this.containerAnim || new Animated.Value(1);
this.topBar = this.topBar || new Animated.Value(0.9);
this.bottomBar = this.bottomBar || new Animated.Value(0.9);
this.bottomBarMargin = this.bottomBarMargin || new Animated.Value(-10);
this.middleBarOpacity = this.middleBarOpacity || new Animated.Value(0);
}
else {
this.topBar = this.topBar || new Animated.Value(0.9);
this.bottomBar = this.bottomBar || new Animated.Value(0.9);
this.bottomBarMargin = this.bottomBarMargin || new Animated.Value(-10);
this.middleBarOpacity = this.middleBarOpacity || new Animated.Value(0);
}
}
this.containerAnim = this.containerAnim || new Animated.Value(0);
this.topBar = this.topBar || new Animated.Value(0);
this.bottomBar = this.bottomBar || new Animated.Value(0);
this.middleBarOpacity = this.middleBarOpacity || new Animated.Value(1);
this.bottomBarMargin = this.bottomBarMargin || new Animated.Value(4);
this.topBarMargin = this.topBarMargin || new Animated.Value(0);
this.marginLeft = this.marginLeft || new Animated.Value(0);
this.width = this.width || new Animated.Value(25);
return (
<TouchableWithoutFeedback
onPress={()=> {this.props.onPress ? this.props.onPress() : undefined, this._animate()}}>
<Animated.View style={{
width: 35,
justifyContent: 'center',
alignItems: 'center',
height: 35,
transform: [
{rotate: this.containerAnim.interpolate({
inputRange: [0, 1],
outputRange: [
'0deg', '360deg'
],
})}
]
}}>
<Animated.View style={{
height: 3,
marginLeft: this.marginLeft,
width: this.width,
marginBottom: this.topBarMargin,
backgroundColor: color ? color : 'black',
transform: [
{rotate: this.topBar.interpolate({
inputRange: [0, 1],
outputRange: [
'0deg', '-50deg'
],
})}
]
}} />
<Animated.View style={{
height: 3,
width: 25,
opacity:this.middleBarOpacity,
backgroundColor: color ? color : 'black',
marginTop: 4}} />
<Animated.View style={{
height: 3,
marginLeft: this.marginLeft,
width: this.width,
backgroundColor: color ? color : 'black',
marginTop: this.bottomBarMargin,
transform: [
{rotate: this.bottomBar.interpolate({
inputRange: [0, 1],
outputRange: [
'0deg', '50deg'
],
})}
]
}} />
</Animated.View>
</TouchableWithoutFeedback>
);
}
}