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Update support for react native >= 0.54 #4

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Update support for react native >= 0.54 #4

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163 changes: 81 additions & 82 deletions CornerLabel.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,95 +5,94 @@
* Copyright (c) 2016 react-native-component <[email protected]>
*/

import React, {
PropTypes,
Component,
} from 'react'
import {
StyleSheet,
View,
Text,
} from 'react-native'
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { StyleSheet, View, Text } from 'react-native';

const styles = StyleSheet.create({
container: {
position: 'absolute',
//transform: [{rotate: '45deg'}],
justifyContent: 'flex-end',
},
label: {
justifyContent: 'center',
alignItems: 'center',
},
text: {
color: '#fff',
// fontFamily: '.HelveticaNeueInterface-MediumP4',
fontSize: 12,
},
})
container: {
position: 'absolute',
// transform: [{rotate: '45deg'}],
justifyContent: 'flex-end',
},
label: {
justifyContent: 'center',
alignItems: 'center',
},
text: {
color: '#fff',
// fontFamily: '.HelveticaNeueInterface-MediumP4',
fontSize: 12,
},
});

export default class CornerLabel extends Component {
static defaultProps = {
alignment: 'left',
};

static defaultProps = {
alignment: 'left',
}

static propTypes = {
style: View.propTypes.style,
textStyle: Text.propTypes.style,
cornerRadius: PropTypes.number.isRequired,
alignment: PropTypes.oneOf([
'left',
'right',
])
}

// 构造
constructor (props) {
super(props)
// 初始状态
this.state = {}
static propTypes = {
style: PropTypes.object,
textStyle: PropTypes.object,
cornerRadius: PropTypes.number.isRequired,
alignment: PropTypes.oneOf(['left', 'right']),
};

this._labelHeight = Math.sqrt(Math.pow(props.cornerRadius, 2) / 2)
this._labelWidth = this._labelHeight * 2
let originOffset = Math.sqrt(Math.pow(this._labelHeight / 2, 2) / 2)
let labelHorizontalPosition = -this._labelWidth / 2 + originOffset
let labelVerticalPosition = - this._labelHeight / 2 + originOffset
if(props.alignment == 'left') {
this._labelPosition = {left : labelHorizontalPosition, top: labelVerticalPosition}
this._labelTransform = {transform: [{rotate: '-45deg'}]}
}
else {
this._labelPosition = {right : labelHorizontalPosition, top: labelVerticalPosition}
this._labelTransform = {transform: [{rotate: '45deg'}]}
}
// 构造
constructor(props) {
super(props);
// 初始状态
this.state = {};

this._labelHeight = Math.sqrt(Math.pow(props.cornerRadius, 2) / 2);
this._labelWidth = this._labelHeight * 2;
const originOffset = Math.sqrt(Math.pow(this._labelHeight / 2, 2) / 2);
const labelHorizontalPosition = -this._labelWidth / 2 + originOffset;
const labelVerticalPosition = -this._labelHeight / 2 + originOffset;
if (props.alignment == 'left') {
this._labelPosition = {
left: labelHorizontalPosition,
top: labelVerticalPosition,
};
this._labelTransform = { transform: [{ rotate: '-45deg' }] };
} else {
this._labelPosition = {
right: labelHorizontalPosition,
top: labelVerticalPosition,
};
this._labelTransform = { transform: [{ rotate: '45deg' }] };
}
}

render () {
return (
<View style={[styles.container,
this._labelPosition,
this._labelTransform,
{width: this._labelWidth, height: this._labelHeight, },
]}>
<View style={[styles.label,
{height: this._labelHeight},
this.props.style,
]}>
{this._renderChildren()}
</View>
</View>
)
}

_renderChildren () {
return React.Children.map(this.props.children, (child) => {
if (!React.isValidElement(child)) {
return <Text style={[styles.text, this.props.textStyle]}>{child}</Text>
}
return child
})
}
render() {
return (
<View
style={[
styles.container,
this._labelPosition,
this._labelTransform,
{ width: this._labelWidth, height: this._labelHeight },
]}
>
<View
style={[
styles.label,
{ height: this._labelHeight },
this.props.style,
]}
>
{this._renderChildren()}
</View>
</View>
);
}

}
_renderChildren() {
return React.Children.map(this.props.children, (child) => {
if (!React.isValidElement(child)) {
return <Text style={[styles.text, this.props.textStyle]}>{child}</Text>;
}
return child;
});
}
}