BooleanCheckView.js
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import React, {Component} from 'react';
import {
View,
Text,
TouchableOpacity,
Image,
} from 'react-native';
const checkedImg = require("../img/switch_on.png");
const unCheckedImg = require("../img/switch_off.png");
export default class BooleanCheckView extends Component {
constructor(props) {
super(props);
this.state = {
checked: true
}
this.attrData = this.props.attrData;
this.extendData = (this.attrData.data && this.attrData.data.length > 0)?JSON.parse(this.attrData.data):{};// null=无|true=是|false=否
this.callback = this.props.callback;
}
componentWillMount() {
let checkedVaule = true;
if (this.attrData.value) {
checkedVaule = this.attrData.value || this.attrData.value === 'true';
} else {
checkedVaule = this.extendData.booleanDefault||true;
}
this.setState({
checked: checkedVaule
});
this.attrData.value = checkedVaule;
}
render() {
let {name, code, type, description, isRequired, isPreview} = this.attrData;
return (
<View style={{flexDirection: 'row', width: '100%', height: 46, backgroundColor: 'white', alignItems: 'center', paddingLeft: 10, paddingRight: 15}}>
<View style={{flex: 1, flexDirection: 'row',justifyContent:'flex-start',alignItems:'center'}}>
{isRequired&&<Text style={{ color: "#FF3030" }}>* </Text>}
{!isRequired&&<Text style={{ color: "#fff" }}>* </Text>}
<Text style={{fontSize: 16, color: 'rgba(0, 0, 0, 1)'}}>{name||""}</Text>
</View>
<TouchableOpacity
style={{justifyContent: 'flex-end', alignItems: 'center'}}
activeOpacity={0.8}
onPress={()=>{
let _checked = !this.state.checked;
this.setState({
checked: _checked
});
this.attrData.value = _checked;
if (this.callback) {
this.callback(_checked);
}
}}
>
<Image
style={{
width: 46,
height: 26,
}}
source={this.state.checked ? checkedImg : unCheckedImg}
resizeMode={'contain'}
/>
</TouchableOpacity>
</View>
);
}
}