106 lines
2.7 KiB
JavaScript
106 lines
2.7 KiB
JavaScript
// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
|
|
// See License.txt for license information.
|
|
|
|
import React, {PropTypes, PureComponent} from 'react';
|
|
import {View, Text, TouchableWithoutFeedback, StyleSheet} from 'react-native';
|
|
|
|
const styles = StyleSheet.create({
|
|
container: {
|
|
justifyContent: 'center',
|
|
alignItems: 'center',
|
|
flexDirection: 'row'
|
|
},
|
|
text: {
|
|
paddingVertical: 2,
|
|
paddingHorizontal: 4,
|
|
backgroundColor: 'transparent',
|
|
fontSize: 14,
|
|
textAlign: 'center',
|
|
textAlignVertical: 'center'
|
|
}
|
|
});
|
|
|
|
export default class Badge extends PureComponent {
|
|
static defaultProps = {
|
|
extraPaddingHorizontal: 10,
|
|
minHeight: 0,
|
|
minWidth: 0,
|
|
onPress: () => true
|
|
};
|
|
|
|
static propTypes = {
|
|
count: PropTypes.number.isRequired,
|
|
extraPaddingHorizontal: PropTypes.number,
|
|
style: View.propTypes.style,
|
|
countStyle: Text.propTypes.style,
|
|
minHeight: PropTypes.number,
|
|
minWidth: PropTypes.number,
|
|
onPress: PropTypes.func
|
|
};
|
|
|
|
constructor(props) {
|
|
super(props);
|
|
this.width = 0;
|
|
}
|
|
|
|
renderText = () => {
|
|
const {count} = this.props;
|
|
let text = count.toString();
|
|
if (count < 0) {
|
|
text = '•';
|
|
}
|
|
return (
|
|
<Text
|
|
onLayout={this.onLayout}
|
|
style={[styles.text, this.props.countStyle]}
|
|
>
|
|
{text}
|
|
</Text>
|
|
);
|
|
};
|
|
|
|
badgeRef = (ref) => {
|
|
this.container = ref;
|
|
};
|
|
|
|
onLayout = (e) => {
|
|
let width;
|
|
|
|
if (e.nativeEvent.layout.width <= e.nativeEvent.layout.height) {
|
|
width = e.nativeEvent.layout.height;
|
|
} else {
|
|
width = e.nativeEvent.layout.width + this.props.extraPaddingHorizontal;
|
|
}
|
|
|
|
width = Math.max(width, this.props.minWidth);
|
|
if (this.width === width) {
|
|
return;
|
|
}
|
|
|
|
this.width = width;
|
|
const height = Math.max(e.nativeEvent.layout.height, this.props.minHeight);
|
|
const borderRadius = height / 2;
|
|
this.container.setNativeProps({
|
|
style: {
|
|
width,
|
|
height,
|
|
borderRadius
|
|
}
|
|
});
|
|
};
|
|
|
|
render() {
|
|
return (
|
|
<View
|
|
ref={this.badgeRef}
|
|
style={[styles.container, this.props.style]}
|
|
>
|
|
<TouchableWithoutFeedback onPress={this.props.onPress}>
|
|
<View>
|
|
{this.renderText()}
|
|
</View>
|
|
</TouchableWithoutFeedback>
|
|
</View>
|
|
);
|
|
}
|
|
}
|