forked from treehouse/mastodon
Improve focus handling with dropdown menus (#11511)
- Focus first item when activated via keyboard - When the dropdown menu closes, give back the focus to the actual element which was focused prior to opening the menusignup-info-prompt
parent
ac33f1aedd
commit
396b8cdd0f
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@ -45,7 +45,6 @@ class DropdownMenu extends React.PureComponent {
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document.addEventListener('click', this.handleDocumentClick, false);
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document.addEventListener('keydown', this.handleKeyDown, false);
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document.addEventListener('touchend', this.handleDocumentClick, listenerOptions);
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this.activeElement = document.activeElement;
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if (this.focusedItem && this.props.openedViaKeyboard) {
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this.focusedItem.focus();
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}
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@ -56,9 +55,6 @@ class DropdownMenu extends React.PureComponent {
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document.removeEventListener('click', this.handleDocumentClick, false);
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document.removeEventListener('keydown', this.handleKeyDown, false);
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document.removeEventListener('touchend', this.handleDocumentClick, listenerOptions);
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if (this.activeElement) {
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this.activeElement.focus();
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}
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}
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setRef = c => {
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@ -117,7 +113,7 @@ class DropdownMenu extends React.PureComponent {
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}
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}
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handleItemKeyUp = e => {
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handleItemKeyPress = e => {
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if (e.key === 'Enter' || e.key === ' ') {
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this.handleClick(e);
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}
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@ -147,7 +143,7 @@ class DropdownMenu extends React.PureComponent {
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return (
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<li className='dropdown-menu__item' key={`${text}-${i}`}>
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<a href={href} target={target} data-method={method} rel='noopener' role='button' tabIndex='0' ref={i === 0 ? this.setFocusRef : null} onClick={this.handleClick} onKeyUp={this.handleItemKeyUp} data-index={i}>
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<a href={href} target={target} data-method={method} rel='noopener' role='button' tabIndex='0' ref={i === 0 ? this.setFocusRef : null} onClick={this.handleClick} onKeyPress={this.handleItemKeyPress} data-index={i}>
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{text}
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</a>
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</li>
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@ -214,15 +210,44 @@ export default class Dropdown extends React.PureComponent {
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} else {
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const { top } = target.getBoundingClientRect();
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const placement = top * 2 < innerHeight ? 'bottom' : 'top';
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this.props.onOpen(this.state.id, this.handleItemClick, placement, type !== 'click');
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}
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}
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handleClose = () => {
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if (this.activeElement) {
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this.activeElement.focus();
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this.activeElement = null;
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}
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this.props.onClose(this.state.id);
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}
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handleMouseDown = () => {
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if (!this.state.open) {
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this.activeElement = document.activeElement;
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}
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}
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handleButtonKeyDown = (e) => {
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switch(e.key) {
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case ' ':
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case 'Enter':
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this.handleMouseDown();
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break;
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}
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}
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handleKeyPress = (e) => {
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switch(e.key) {
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case ' ':
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case 'Enter':
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this.handleClick(e);
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e.stopPropagation();
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e.preventDefault();
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break;
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}
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}
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handleItemClick = 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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@ -266,6 +291,9 @@ export default class Dropdown extends React.PureComponent {
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size={size}
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ref={this.setTargetRef}
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onClick={this.handleClick}
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onMouseDown={this.handleMouseDown}
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onKeyDown={this.handleButtonKeyDown}
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onKeyPress={this.handleKeyPress}
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/>
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<Overlay show={open} placement={dropdownPlacement} target={this.findTarget}>
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@ -14,6 +14,7 @@ export default class IconButton extends React.PureComponent {
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onClick: PropTypes.func,
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onMouseDown: PropTypes.func,
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onKeyDown: PropTypes.func,
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onKeyPress: PropTypes.func,
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size: PropTypes.number,
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active: PropTypes.bool,
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pressed: PropTypes.bool,
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@ -44,6 +45,12 @@ export default class IconButton extends React.PureComponent {
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}
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}
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handleKeyPress = (e) => {
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if (this.props.onKeyPress && !this.props.disabled) {
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this.props.onKeyPress(e);
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}
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}
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handleMouseDown = (e) => {
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if (!this.props.disabled && this.props.onMouseDown) {
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this.props.onMouseDown(e);
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@ -100,6 +107,7 @@ export default class IconButton extends React.PureComponent {
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onClick={this.handleClick}
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onMouseDown={this.handleMouseDown}
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onKeyDown={this.handleKeyDown}
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onKeyPress={this.handleKeyPress}
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style={style}
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tabIndex={tabIndex}
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disabled={disabled}
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@ -121,6 +129,7 @@ export default class IconButton extends React.PureComponent {
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onClick={this.handleClick}
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onMouseDown={this.handleMouseDown}
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onKeyDown={this.handleKeyDown}
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onKeyPress={this.handleKeyPress}
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style={style}
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tabIndex={tabIndex}
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disabled={disabled}
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