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