index.js
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/** React Native Percentage Circle
** @github https://github.com/JackPu/react-native-percentage-circle
** React Native Version >=0.25
** to fixed react native version
**/
import React, { Component } from 'react';
import {
StyleSheet,
View,
Text,
Platform
} from 'react-native';
const styles = StyleSheet.create({
circle: {
overflow: 'hidden',
position: 'relative',
justifyContent: 'center',
alignItems: 'center',
backgroundColor: '#e3e3e3',
},
leftWrap: {
overflow: 'hidden',
position: 'absolute',
top: 0,
},
rightWrap: {
position: 'absolute',
},
loader: {
position: 'absolute',
left: 0,
top: 0,
borderRadius: 1000,
},
innerCircle: {
overflow: 'hidden',
position: 'relative',
justifyContent: 'center',
alignItems: 'center',
},
text: {
fontSize: 11,
color: '#888',
},
});
class PercentageCircle extends Component {
constructor(props) {
super(props);
let percent = this.props.percent;
let leftTransformerDegree = '0deg';
let rightTransformerDegree = '0deg';
if (percent >= 50) {
rightTransformerDegree = Platform.OS == 'android' ? '180deg' : '180deg';
leftTransformerDegree = Platform.OS == 'android' ? (percent - 50) * 3.6 + 'deg' : (percent - 50) * 3.6 + 'deg';
} else {
rightTransformerDegree = Platform.OS == 'android' ? (percent - 50) * 3.6 + 'deg' : percent * 3.6 + 'deg';
leftTransformerDegree = Platform.OS == 'android' ? '0deg':'0deg';
}
this.state = {
percent: this.props.percent,
borderWidth: this.props.borderWidth < 2 || !this.props.borderWidth ? 2 : this.props.borderWidth,
leftTransformerDegree: leftTransformerDegree,
rightTransformerDegree: rightTransformerDegree,
textStyle: this.props.textStyle ? this.props.textStyle : null
};
}
render() {
if (this.props.disabled) {
return (
<View style={[styles.circle,{
width:this.props.radius*2,
height: this.props.radius*2,
borderRadius:this.props.radius
}]}>
<Text style={styles.text}>{this.props.disabledText}</Text>
</View>
);
}
return (
<View style={[styles.circle,{
width:this.props.radius*2,
height: this.props.radius*2,
borderRadius:this.props.radius,
backgroundColor:Platform.OS == 'android'?this.props.bgcolor:null
}]}>
<View style={[styles.leftWrap,{
width: this.props.radius,
height: this.props.radius * 2,
left:0,
}]}>
<View style={[styles.loader,{
left: this.props.radius,
width:this.props.radius,
height: this.props.radius*2,
borderTopLeftRadius:0,
borderBottomLeftRadius:0,
backgroundColor:this.props.color,
transform:[{translateX:-this.props.radius/2},{rotate:this.state.leftTransformerDegree},{translateX:this.props.radius/2}],
}]}></View>
</View>
<View style={[styles.leftWrap,{
left:this.props.radius,
width: this.props.radius,
height: this.props.radius * 2,
}]}>
<View style={[styles.loader,{
left:-this.props.radius,
width:this.props.radius,
height: this.props.radius*2,
borderTopRightRadius:0,
borderBottomRightRadius:0,
backgroundColor: Platform.OS == 'android'?this.props.percent < 50 ? this.props.bgcolor : this.props.color:this.props.color,
transform:[{translateX:this.props.radius/2},{rotate:this.state.rightTransformerDegree},{translateX:-this.props.radius/2}],
}]}></View>
</View>
<View style={[styles.innerCircle,{
width:(this.props.radius - this.state.borderWidth)*2,
height:(this.props.radius - this.state.borderWidth)*2,
borderRadius:this.props.radius - this.state.borderWidth,
backgroundColor: this.props.innerColor,
}]}>
{this.props.children ? this.props.children :
<Text style={[styles.text, this.state.textStyle]}>{this.props.percent}%</Text>}
</View>
</View>
);
}
}
// set some attributes default value
PercentageCircle.defaultProps = {
bgcolor: '#e3e3e3',
innerColor: '#fff'
};
module.exports = PercentageCircle;