125 lines
3.5 KiB
JavaScript
125 lines
3.5 KiB
JavaScript
import PropTypes from 'prop-types';
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import { PureComponent } from 'react';
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import classNames from 'classnames';
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import { supportsPassiveEvents } from 'detect-passive-events';
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import { Icon } from 'flavours/glitch/components/icon';
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const listenerOptions = supportsPassiveEvents ? { passive: true, capture: true } : true;
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// copied from PrivacyDropdown; will require refactor with upstream down the line
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class DropdownMenu extends PureComponent {
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static propTypes = {
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style: PropTypes.object,
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items: PropTypes.array.isRequired,
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value: PropTypes.string.isRequired,
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onClose: PropTypes.func.isRequired,
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onChange: PropTypes.func.isRequired,
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};
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handleDocumentClick = e => {
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if (this.node && !this.node.contains(e.target)) {
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this.props.onClose();
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e.stopPropagation();
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}
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};
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handleKeyDown = e => {
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const { items } = this.props;
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const value = e.currentTarget.getAttribute('data-index');
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const index = items.findIndex(item => {
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return (item.value === value);
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});
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let element = null;
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switch(e.key) {
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case 'Escape':
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this.props.onClose();
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break;
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case 'Enter':
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this.handleClick(e);
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break;
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case 'ArrowDown':
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element = this.node.childNodes[index + 1] || this.node.firstChild;
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break;
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case 'ArrowUp':
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element = this.node.childNodes[index - 1] || this.node.lastChild;
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break;
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case 'Tab':
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if (e.shiftKey) {
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element = this.node.childNodes[index - 1] || this.node.lastChild;
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} else {
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element = this.node.childNodes[index + 1] || this.node.firstChild;
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}
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break;
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case 'Home':
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element = this.node.firstChild;
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break;
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case 'End':
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element = this.node.lastChild;
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break;
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}
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if (element) {
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element.focus();
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this.props.onChange(element.getAttribute('data-index'));
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e.preventDefault();
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e.stopPropagation();
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}
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};
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handleClick = e => {
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const value = e.currentTarget.getAttribute('data-index');
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e.preventDefault();
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this.props.onClose();
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this.props.onChange(value);
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};
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componentDidMount () {
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document.addEventListener('click', this.handleDocumentClick, { capture: true });
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document.addEventListener('touchend', this.handleDocumentClick, listenerOptions);
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if (this.focusedItem) this.focusedItem.focus({ preventScroll: true });
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}
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componentWillUnmount () {
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document.removeEventListener('click', this.handleDocumentClick, { capture: true });
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document.removeEventListener('touchend', this.handleDocumentClick, listenerOptions);
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}
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setRef = c => {
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this.node = c;
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};
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setFocusRef = c => {
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this.focusedItem = c;
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};
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render () {
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const { style, items, value } = this.props;
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return (
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<div style={{ ...style }} role='listbox' ref={this.setRef}>
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{items.map(item => (
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<div role='option' tabIndex={0} key={item.value} data-index={item.value} onKeyDown={this.handleKeyDown} onClick={this.handleClick} className={classNames('privacy-dropdown__option', { active: item.value === value })} aria-selected={item.value === value} ref={item.value === value ? this.setFocusRef : null}>
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<div className='privacy-dropdown__option__icon'>
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<Icon id={item.icon} icon={item.iconComponent} />
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</div>
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<div className='privacy-dropdown__option__content'>
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<strong>{item.text}</strong>
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{item.meta}
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</div>
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</div>
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))}
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</div>
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);
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}
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}
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export default DropdownMenu;
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