Created
April 21, 2017 04:12
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export default class MainScreen extends React.Component { | |
constructor(props) { | |
super(props); | |
this.ds = new ListView.DataSource({rowHasChanged: (r1, r2) => r1.id !== r2.id}); | |
this.state = { | |
list: [], | |
dataSource: this.ds.cloneWithRows([]), | |
check: {}, | |
checkAll: false, | |
}; | |
} | |
static navigationOptions = { | |
title: 'Main', | |
headerVisible: false | |
}; | |
_checkAll = () => { | |
const { checkAll, list, check } = this.state; | |
const callback = () => { | |
console.log("checkAll", checkAll); | |
console.log("students", list); | |
list.map(student => { | |
check[student.name] = !check[student.name]; | |
this.setState({check}); | |
}); | |
} | |
this.setState({checkAll: !this.state.checkAll}, callback); | |
} | |
_checkStudent = (student) => { | |
const { check } = this.state; | |
check[check.name].check = !check[check.name].check; | |
this.setState({check}); | |
} | |
render() { | |
// const { navigate } = this.props.navigation; | |
const { check, checkAll, dataSource } = this.state; | |
return ( | |
<Image source={require('./../images/background_no_logo.png')} style={styles.container}> | |
<CheckBox | |
style={{padding: 10}} | |
onClick={() => this.checkAll()} | |
isChecked={checkAll} | |
rightText={this.text.checkText} | |
/> | |
<ListView | |
style={styles.listView} | |
dataSource={dataSource} | |
enableEmptySections={true} | |
renderRow={(student) => { | |
return ( | |
<View style={styles.row}> | |
<CheckBox | |
style={{paddingLeft: 10, paddingRight:10}} | |
onClick={() => this._checkStudent(check[student.name])} | |
isChecked={check[student.name].checked} | |
/> | |
<Text style={{color:'#336463', fontSize:20, flex: 1}}> | |
{`${student.name}`} | |
</Text> | |
</View> | |
) | |
}} | |
/> | |
</Image> | |
) | |
} | |
} |
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