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Example.js
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Example.js
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import React, { Component } from 'react';
import { StyleSheet, Text, View, ScrollView } from 'react-native';
import Menu, {
MenuContext,
MenuTrigger,
MenuOptions,
MenuOption,
renderers
} from 'react-native-popup-menu';
let unique = 0;
const { SlideInMenu } = renderers;
export default class Example extends Component {
constructor(props, ctx) {
super(props, ctx);
this.state = { log: [] };
}
selectNumber(value) {
this.addLog(`selecting number: ${value}`);
}
selectOptionType(value) {
const v = typeof value === 'object' ? JSON.stringify(value) : value;
this.addLog(`selecting type: ${v}`);
return value !== 'Do not close';
}
addLog(value) {
this.setState({
log: [...this.state.log, {
value,
id: ++unique
}]
});
}
toggleHighlight(id) {
const log = this.state.log.map(l => {
if (l.id === id) {
return Object.assign({}, l, {highlighted: !l.highlighted});
}
return l;
})
this.setState({ log });
}
deleteLogItem(id) {
const log = this.state.log.filter(l => l.id !== id);
this.setState({ log });
}
render() {
return (
<MenuContext style={{flex: 1}}>
<View style={styles.container}>
<View style={styles.topbar}>
<Menu name="numbers" renderer={SlideInMenu} onSelect={value => this.selectNumber(value)}>
<MenuTrigger style={styles.trigger}>
<Text style={styles.triggerText}>Slide-in menu...</Text>
</MenuTrigger>
<MenuOptions>
<MenuOption value={1} text='Option one' />
<MenuOption value={2} text='Option two' />
<MenuOption value={3} text='Option three' />
<MenuOption value={4} text='Option four' />
{ null /* conditional not rendered option */ }
<MenuOption value={5} text='Option five' />
</MenuOptions>
</Menu>
<View style={{flex:1}}></View>
<Menu name="types" onSelect={value => this.selectOptionType(value)}
onBackdropPress={() => this.addLog('menu will be closed by backdrop')}
onOpen={() => this.addLog('menu is opening')}
onClose={() => this.addLog('menu is closing')}
>
<MenuTrigger style={styles.trigger}>
<Text style={styles.triggerText}>Context menu...</Text>
</MenuTrigger>
<MenuOptions>
<MenuOption value="Normal" text='Normal' />
<MenuOption value="Disabled" disabled={true} text='Disabled' />
<MenuOption value="Do not close" text='Do not close' />
<View style={styles.divider}/>
<MenuOption value={{ text: 'Hello world!' }} text='Object as value' />
</MenuOptions>
</Menu>
</View>
<ScrollView style={styles.logView}>
{this.state.log.map((l, i) => {
const wrapperStyle = {backgroundColor: i % 2 ? 'white' : 'whitesmoke'};
const textStyle = {color: l.highlighted ? 'red' : 'gray'};
return (
<View style={[styles.logItem, wrapperStyle]} key={l.id}>
<Text style={textStyle}>{l.value}</Text>
<View style={{flex:1}}></View>
<Menu>
<MenuTrigger text='edit' />
<MenuOptions>
<MenuOption onSelect={() => this.toggleHighlight(l.id)} text={l.highlighted ? 'Unhighlight' : 'Highlight'} />
<MenuOption onSelect={() => this.deleteLogItem(l.id)} text='Delete' />
</MenuOptions>
</Menu>
</View>
);
})}
</ScrollView>
</View>
</MenuContext>
);
}
}
const styles = StyleSheet.create({
container: {
flex: 1,
flexDirection: 'column',
backgroundColor: 'lightgray',
},
topbar: {
flexDirection: 'row',
backgroundColor: 'dimgray',
paddingTop : 15,
},
trigger: {
padding: 5,
margin: 5,
},
triggerText: {
color: 'white',
},
disabled: {
color: '#ccc',
},
divider: {
marginVertical: 5,
marginHorizontal: 2,
borderBottomWidth: 1,
borderColor: '#ccc'
},
logView: {
flex: 1,
flexDirection: 'column',
},
logItem: {
flexDirection: 'row',
padding: 8,
},
});