Commit 396b8cdd authored by ThibG's avatar ThibG Committed by Eugen Rochko

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 menu
parent ac33f1ae
......@@ -45,7 +45,6 @@ class DropdownMenu extends React.PureComponent {
document.addEventListener('click', this.handleDocumentClick, false);
document.addEventListener('keydown', this.handleKeyDown, false);
document.addEventListener('touchend', this.handleDocumentClick, listenerOptions);
this.activeElement = document.activeElement;
if (this.focusedItem && this.props.openedViaKeyboard) {
this.focusedItem.focus();
}
......@@ -56,9 +55,6 @@ class DropdownMenu extends React.PureComponent {
document.removeEventListener('click', this.handleDocumentClick, false);
document.removeEventListener('keydown', this.handleKeyDown, false);
document.removeEventListener('touchend', this.handleDocumentClick, listenerOptions);
if (this.activeElement) {
this.activeElement.focus();
}
}
setRef = c => {
......@@ -117,7 +113,7 @@ class DropdownMenu extends React.PureComponent {
}
}
handleItemKeyUp = e => {
handleItemKeyPress = e => {
if (e.key === 'Enter' || e.key === ' ') {
this.handleClick(e);
}
......@@ -147,7 +143,7 @@ class DropdownMenu extends React.PureComponent {
return (
<li className='dropdown-menu__item' key={`${text}-${i}`}>
<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}>
<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}>
{text}
</a>
</li>
......@@ -214,15 +210,44 @@ export default class Dropdown extends React.PureComponent {
} else {
const { top } = target.getBoundingClientRect();
const placement = top * 2 < innerHeight ? 'bottom' : 'top';
this.props.onOpen(this.state.id, this.handleItemClick, placement, type !== 'click');
}
}
handleClose = () => {
if (this.activeElement) {
this.activeElement.focus();
this.activeElement = null;
}
this.props.onClose(this.state.id);
}
handleMouseDown = () => {
if (!this.state.open) {
this.activeElement = document.activeElement;
}
}
handleButtonKeyDown = (e) => {
switch(e.key) {
case ' ':
case 'Enter':
this.handleMouseDown();
break;
}
}
handleKeyPress = (e) => {
switch(e.key) {
case ' ':
case 'Enter':
this.handleClick(e);
e.stopPropagation();
e.preventDefault();
break;
}
}
handleItemClick = e => {
const i = Number(e.currentTarget.getAttribute('data-index'));
const { action, to } = this.props.items[i];
......@@ -266,6 +291,9 @@ export default class Dropdown extends React.PureComponent {
size={size}
ref={this.setTargetRef}
onClick={this.handleClick}
onMouseDown={this.handleMouseDown}
onKeyDown={this.handleButtonKeyDown}
onKeyPress={this.handleKeyPress}
/>
<Overlay show={open} placement={dropdownPlacement} target={this.findTarget}>
......
......@@ -14,6 +14,7 @@ export default class IconButton extends React.PureComponent {
onClick: PropTypes.func,
onMouseDown: PropTypes.func,
onKeyDown: PropTypes.func,
onKeyPress: PropTypes.func,
size: PropTypes.number,
active: PropTypes.bool,
pressed: PropTypes.bool,
......@@ -44,6 +45,12 @@ export default class IconButton extends React.PureComponent {
}
}
handleKeyPress = (e) => {
if (this.props.onKeyPress && !this.props.disabled) {
this.props.onKeyPress(e);
}
}
handleMouseDown = (e) => {
if (!this.props.disabled && this.props.onMouseDown) {
this.props.onMouseDown(e);
......@@ -100,6 +107,7 @@ export default class IconButton extends React.PureComponent {
onClick={this.handleClick}
onMouseDown={this.handleMouseDown}
onKeyDown={this.handleKeyDown}
onKeyPress={this.handleKeyPress}
style={style}
tabIndex={tabIndex}
disabled={disabled}
......@@ -121,6 +129,7 @@ export default class IconButton extends React.PureComponent {
onClick={this.handleClick}
onMouseDown={this.handleMouseDown}
onKeyDown={this.handleKeyDown}
onKeyPress={this.handleKeyPress}
style={style}
tabIndex={tabIndex}
disabled={disabled}
......
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