1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | 1x 1x 18x 3x 15x 3x 12x 6x 6x 6x 6x 6x 6x 1x 13x 13x 13x 6x 13x 1x 1x 1x | import React from 'react'; import PropTypes from 'prop-types'; import { Platform, StatusBar, StyleSheet, View } from 'react-native'; import isEmpty from 'lodash.isempty'; import DummyNavButton from './DummyNavButton'; import NavButton from './NavButton'; import Title from './Title'; import { colors, ViewPropTypes, getStatusBarHeight } from '../config'; function alignStyle(placement) { switch (placement) { case 'left': return 'flex-start'; case 'right': return 'flex-end'; default: return 'center'; } } function generateChild(value, type, placement, centerComponentStyle) { if (React.isValidElement(value)) { return <View key={type}>{value}</View>; } else if (typeof value === 'object' && !isEmpty(value)) { return type === 'center' ? ( <View key={type} style={[ styles.centerComponent, centerComponentStyle, { alignItems: alignStyle(placement), }, ]} > <Title {...value} /> </View> ) : ( <NavButton {...value} key={type} /> ); } return type === 'center' ? null : <DummyNavButton key={type} />; } function populateChildren(propChildren, placement, centerComponentStyle) { const childrenArray = []; const leftComponent = generateChild(propChildren.leftComponent, 'left'); const centerComponent = generateChild( propChildren.centerComponent, 'center', placement, centerComponentStyle ); const rightComponent = generateChild(propChildren.rightComponent, 'right'); childrenArray.push(leftComponent, centerComponent, rightComponent); return childrenArray; } const Header = props => { const { children, statusBarProps, leftComponent, centerComponent, centerComponentStyle, rightComponent, backgroundColor, outerContainerStyles, innerContainerStyles, placement, ...attributes } = props; let propChildren = []; if (leftComponent || centerComponent || rightComponent) { propChildren = populateChildren( { leftComponent, centerComponent, rightComponent, }, placement, centerComponentStyle ); } return ( <View {...attributes} style={[ styles.outerContainer, backgroundColor && { backgroundColor }, outerContainerStyles, ]} > <StatusBar barStyle="light-content" {...statusBarProps} /> <View style={[styles.innerContainer, innerContainerStyles]}> {propChildren.length > 0 ? propChildren : children} </View> </View> ); }; Header.propTypes = { placement: PropTypes.oneOf(['left', 'center', 'right']), leftComponent: PropTypes.object, centerComponent: PropTypes.object, rightComponent: PropTypes.object, backgroundColor: PropTypes.string, outerContainerStyles: ViewPropTypes.style, innerContainerStyles: ViewPropTypes.style, centerComponentStyle: ViewPropTypes.style, children: PropTypes.oneOfType([ PropTypes.element, PropTypes.arrayOf(PropTypes.element), ]), statusBarProps: PropTypes.object, }; Header.defaultProps = { placement: 'center', }; const styles = StyleSheet.create({ innerContainer: { flex: 1, flexDirection: 'row', justifyContent: 'space-between', alignItems: 'center', }, outerContainer: { backgroundColor: colors.primary, borderBottomColor: '#f2f2f2', borderBottomWidth: 1, paddingHorizontal: 10, height: Platform.OS === 'ios' ? 70 : 70 - getStatusBarHeight(), ...Platform.select({ ios: { paddingTop: getStatusBarHeight(), }, }), }, centerComponent: { flex: 1, marginHorizontal: Platform.OS === 'ios' ? 15 : 16, }, }); export default Header; |