94 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
	
		
			2.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| import React from 'react';
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| import Dropdown, { DropdownTrigger, DropdownContent } from 'react-simple-dropdown';
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| import PropTypes from 'prop-types';
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| 
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| export default class DropdownMenu extends React.PureComponent {
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| 
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|   static contextTypes = {
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|     router: PropTypes.object,
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|   };
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| 
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|   static propTypes = {
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|     icon: PropTypes.string.isRequired,
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|     items: PropTypes.array.isRequired,
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|     size: PropTypes.number.isRequired,
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|     direction: PropTypes.string,
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|     ariaLabel: PropTypes.string,
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|   };
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| 
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|   static defaultProps = {
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|     ariaLabel: 'Menu',
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|   };
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| 
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|   state = {
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|     direction: 'left',
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|     expanded: false,
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|   };
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| 
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|   setRef = (c) => {
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|     this.dropdown = c;
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|   }
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| 
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|   handleClick = (e) => {
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|     const i = Number(e.currentTarget.getAttribute('data-index'));
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|     const { action, to } = this.props.items[i];
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| 
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|     // Don't call e.preventDefault() when the item uses 'href' property.
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|     // ex. "Edit profile" on the account action bar
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| 
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|     if (typeof action === 'function') {
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|       e.preventDefault();
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|       action();
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|     } else if (to) {
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|       e.preventDefault();
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|       this.context.router.history.push(to);
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|     }
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| 
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|     this.dropdown.hide();
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|   }
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| 
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|   handleShow = () => this.setState({ expanded: true })
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| 
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|   handleHide = () => this.setState({ expanded: false })
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| 
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|   renderItem = (item, i) => {
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|     if (item === null) {
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|       return <li key={`sep-${i}`} className='dropdown__sep' />;
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|     }
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| 
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|     const { text, href = '#' } = item;
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| 
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|     return (
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|       <li className='dropdown__content-list-item' key={`${text}-${i}`}>
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|         <a href={href} target='_blank' rel='noopener' onClick={this.handleClick} data-index={i} className='dropdown__content-list-link'>
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|           {text}
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|         </a>
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|       </li>
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|     );
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|   }
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| 
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|   render () {
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|     const { icon, items, size, direction, ariaLabel } = this.props;
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|     const { expanded } = this.state;
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|     const directionClass = (direction === 'left') ? 'dropdown__left' : 'dropdown__right';
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| 
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|     const dropdownItems = expanded && (
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|       <ul className='dropdown__content-list'>
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|         {items.map(this.renderItem)}
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|       </ul>
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|     );
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| 
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|     return (
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|       <Dropdown ref={this.setRef} onShow={this.handleShow} onHide={this.handleHide}>
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|         <DropdownTrigger className='icon-button' style={{ fontSize: `${size}px`, width: `${size}px`, lineHeight: `${size}px` }} aria-label={ariaLabel}>
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|           <i className={`fa fa-fw fa-${icon} dropdown__icon`}  aria-hidden />
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|         </DropdownTrigger>
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| 
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|         <DropdownContent className={directionClass}>
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|           {dropdownItems}
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|         </DropdownContent>
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|       </Dropdown>
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|     );
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|   }
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| 
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| }
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