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| import React from 'react';
import { StatusBar, StyleSheet, View } from 'react-native';
import isEmpty from 'lodash.isempty';
import DummyNavButton from './DummyNavButton';
import NavButton from './NavButton';
import Title from './Title';
function generateChild(value, type) {
if (React.isValidElement(value)) {
return (
<View key={type}>
{value}
</View>
);
} else if (typeof value === 'object' && !isEmpty(value)) {
return type === 'center'
? <Title {...value} key={type} />
: <NavButton {...value} key={type} />;
}
return type === 'center' ? null : <DummyNavButton key={type} />;
}
function populateChildren(propChildren) {
const childrenArray = [];
const leftComponent = generateChild(propChildren.leftComponent, 'left');
const centerComponent = generateChild(propChildren.centerComponent, 'center');
const rightComponent = generateChild(propChildren.rightComponent, 'right');
childrenArray.push(leftComponent, centerComponent, rightComponent);
return childrenArray;
}
const Header = props => {
const {
children,
statusBarProps,
leftComponent,
centerComponent,
rightComponent,
backgroundColor,
outerContainerStyles,
innerContainerStyles,
...attributes
} = props;
let propChildren = [];
if (leftComponent || centerComponent || rightComponent) {
propChildren = populateChildren({
leftComponent,
centerComponent,
rightComponent,
});
}
return (
<View
style={[styles.outerContainer, { backgroundColor }, outerContainerStyles]}
{...attributes}
>
<StatusBar {...statusBarProps} />
<View style={[styles.innerContainer, innerContainerStyles]}>
{propChildren.length > 0 ? propChildren : children}
</View>
</View>
);
};
const styles = StyleSheet.create({
innerContainer: {
flex: 1,
flexDirection: 'row',
justifyContent: 'space-between',
alignItems: 'flex-end',
},
outerContainer: {
position: 'absolute',
top: 0,
left: 0,
right: 0,
backgroundColor: '#fff',
borderBottomColor: '#f2f2f2',
borderBottomWidth: 1,
padding: 15,
height: 70,
},
});
export default Header;
|