Improve keyboard VS mouse navigation of dropdown menus
This commit is contained in:
		
							parent
							
								
									5ff733b614
								
							
						
					
					
						commit
						c3ab2973c5
					
				| @ -43,13 +43,15 @@ class DropdownMenu extends React.PureComponent { | ||||
| 
 | ||||
|   componentDidMount () { | ||||
|     document.addEventListener('click', this.handleDocumentClick, false); | ||||
|     document.addEventListener('keydown', this.handleKeyDown, false); | ||||
|     document.addEventListener('touchend', this.handleDocumentClick, listenerOptions); | ||||
|     if (this.focusedItem && this.props.openedviaKeyBoard) this.focusedItem.focus(); | ||||
|     if (this.focusedItem && this.props.openedViaKeyboard) this.focusedItem.focus(); | ||||
|     this.setState({ mounted: true }); | ||||
|   } | ||||
| 
 | ||||
|   componentWillUnmount () { | ||||
|     document.removeEventListener('click', this.handleDocumentClick, false); | ||||
|     document.removeEventListener('keydown', this.handleKeyDown, false); | ||||
|     document.removeEventListener('touchend', this.handleDocumentClick, listenerOptions); | ||||
|   } | ||||
| 
 | ||||
| @ -63,13 +65,10 @@ class DropdownMenu extends React.PureComponent { | ||||
| 
 | ||||
|   handleKeyDown = e => { | ||||
|     const items = Array.from(this.node.getElementsByTagName('a')); | ||||
|     const index = items.indexOf(e.currentTarget); | ||||
|     const index = items.indexOf(document.activeElement); | ||||
|     let element; | ||||
| 
 | ||||
|     switch(e.key) { | ||||
|     case 'Enter': | ||||
|       this.handleClick(e); | ||||
|       break; | ||||
|     case 'ArrowDown': | ||||
|       element = items[index+1]; | ||||
|       if (element) { | ||||
| @ -97,6 +96,12 @@ class DropdownMenu extends React.PureComponent { | ||||
|     } | ||||
|   } | ||||
| 
 | ||||
|   handleItemKeyDown = e => { | ||||
|     if (e.key === 'Enter') { | ||||
|       this.handleClick(e); | ||||
|     } | ||||
|   } | ||||
| 
 | ||||
|   handleClick = e => { | ||||
|     const i = Number(e.currentTarget.getAttribute('data-index')); | ||||
|     const { action, to } = this.props.items[i]; | ||||
| @ -121,7 +126,7 @@ class DropdownMenu extends React.PureComponent { | ||||
| 
 | ||||
|     return ( | ||||
|       <li className='dropdown-menu__item' key={`${text}-${i}`}> | ||||
|         <a href={href} target='_blank' rel='noopener' role='button' tabIndex='0' ref={i === 0 ? this.setFocusRef : null} onClick={this.handleClick} onKeyDown={this.handleKeyDown} data-index={i}> | ||||
|         <a href={href} target='_blank' rel='noopener' role='button' tabIndex='0' ref={i === 0 ? this.setFocusRef : null} onClick={this.handleClick} onKeyDown={this.handleItemKeyDown} data-index={i}> | ||||
|           {text} | ||||
|         </a> | ||||
|       </li> | ||||
|  | ||||
		Loading…
	
	
			
			x
			
			
		
	
		Reference in New Issue
	
	Block a user