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Picker.js
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Picker.js
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import React, { Component } from 'react';
import { Modal, Platform, Picker, Text, View, Dimensions, StyleSheet, TouchableOpacity, TouchableHighlight } from 'react-native';
export default class PickerFast extends Component {
constructor(props) {
super(props);
this.state = {
showSelector: false,
selectedItem: props.selectedItem
}
}
update() {
this.props.onValueChange(this.state.selectedItem);
}
render() {
let switchShow = () => {
this.setState({'showSelector': !this.state.showSelector})
}
let close = () => {
switchShow();
this.update();
}
let items = this.props.items.map( (s, i) => {
if (s.hasOwnProperty('mode'))
return <Picker.Item key={i} value={s.mode} label={s.title} />
else
return <Picker.Item key={i} value={s} label={s} />
});
if (Platform.OS === 'ios') {
return (
<TouchableOpacity
onPress={switchShow}
style={styles.button}
>
<Text>{this.state.selectedItem}</Text>
<Modal
// animationType={"slide"}
transparent={false}
visible={this.state.showSelector}
>
<View style={{marginTop: 22}}>
<View>
<Picker
style={styles.selector}
selectedValue={this.state.selectedItem}
onValueChange={(item) => this.setState({selectedItem: item})}>
{items}
</Picker>
<TouchableHighlight onPress={close} style={styles.closeButton}>
<Text>Close</Text>
</TouchableHighlight>
</View>
</View>
</Modal>
</TouchableOpacity>
)
} else {
return (
<View style={styles.button}>
<TouchableOpacity>
<Text>{this.state.selectedItem}</Text>
</TouchableOpacity>
<Picker
style={styles.picker}
selectedValue={this.state.selectedItem}
onValueChange={(item) => this.setState({selectedItem: item},
() => this.update())}>
{items}
</Picker>
</View>
)
}
}
}
const { width, height } = Dimensions.get('window');
const SCREEN_WIDTH = width;
const SCREEN_HEIGHT = height;
const ASPECT_RATIO = width / height;
const styles = StyleSheet.create({
button: {
backgroundColor: 'rgba(255,255,255,0.7)',
paddingHorizontal: 18,
paddingVertical: 12,
borderRadius: 20,
borderWidth: 0,
flex: 0.33,
paddingHorizontal: 12,
alignItems: 'center',
marginHorizontal: 10,
},
picker: {
position: 'absolute',
top: 0,
width: 100,
height: 100
},
selector: {
backgroundColor: 'rgba(255,255,255,0.7)',
marginTop: 'auto'
},
closeButton: {
alignItems: 'center',
}
});