85 lines
2.0 KiB
Plaintext
85 lines
2.0 KiB
Plaintext
import React from 'react';
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import PropTypes from 'prop-types';
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import classNames from 'classnames';
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import withStyles from '../styles/withStyles';
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export const styles = theme => ({
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root: {
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display: 'flex',
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justifyContent: 'center',
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height: 56,
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backgroundColor: theme.palette.background.paper,
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},
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});
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function BottomNavigation(props) {
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const {
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children: childrenProp,
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classes,
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className: classNameProp,
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onChange,
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showLabels,
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value,
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...other
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} = props;
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const className = classNames(classes.root, classNameProp);
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const children = React.Children.map(childrenProp, (child, childIndex) => {
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if (!React.isValidElement(child)) {
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return null;
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}
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const childValue = child.props.value || childIndex;
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return React.cloneElement(child, {
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selected: childValue === value,
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showLabel: child.props.showLabel !== undefined ? child.props.showLabel : showLabels,
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value: childValue,
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onChange,
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});
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});
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return (
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<div className={className} {...other}>
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{children}
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</div>
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);
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}
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BottomNavigation.propTypes = {
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/**
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* The content of the component.
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*/
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children: PropTypes.node.isRequired,
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/**
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* Useful to extend the style applied to components.
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*/
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classes: PropTypes.object.isRequired,
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/**
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* @ignore
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*/
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className: PropTypes.string,
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/**
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* Callback fired when the value changes.
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*
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* @param {object} event The event source of the callback
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* @param {any} value We default to the index of the child
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*/
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onChange: PropTypes.func,
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/**
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* If `true`, all `BottomNavigationAction`s will show their labels.
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* By default, only the selected `BottomNavigationAction` will show its label.
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*/
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showLabels: PropTypes.bool,
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/**
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* The value of the currently selected `BottomNavigationAction`.
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*/
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value: PropTypes.any,
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};
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BottomNavigation.defaultProps = {
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showLabels: false,
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};
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export default withStyles(styles, { name: 'MuiBottomNavigation' })(BottomNavigation);
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