62 lines
1.5 KiB
JavaScript
Executable File
62 lines
1.5 KiB
JavaScript
Executable File
import React, { Component, PropTypes } from 'react';
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import { findDOMNode } from 'react-dom';
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import cx from 'classnames';
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import KEY_CODES from '/imports/utils/keyCodes';
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const propTypes = {
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children: React.PropTypes.element.isRequired,
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};
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export default class DropdownTrigger extends Component {
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constructor(props) {
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super(props);
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this.handleClick = this.handleClick.bind(this);
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this.handleKeyDown = this.handleKeyDown.bind(this);
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}
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handleClick() {
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const { dropdownToggle } = this.props;
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return dropdownToggle();
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}
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handleKeyDown(event) {
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const { dropdownShow, dropdownHide } = this.props;
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if ([KEY_CODES.SPACE, KEY_CODES.ENTER].includes(event.which)) {
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event.preventDefault();
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event.stopPropagation();
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return findDOMNode(this).click();
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}
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if ([KEY_CODES.ARROW_UP, KEY_CODES.ARROW_DOWN].includes(event.which)) {
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dropdownShow();
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}
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if (KEY_CODES.ESCAPE === event.which) {
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dropdownHide();
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}
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}
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render() {
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const { children, style, className, placeInTabOrder } = this.props;
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const TriggerComponent = React.Children.only(children);
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const index = (placeInTabOrder) ? '0' : '-1';
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const TriggerComponentBounded = React.cloneElement(children, {
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onClick: this.handleClick,
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onKeyDown: this.handleKeyDown,
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'aria-haspopup': true,
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tabIndex: index,
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style,
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className: cx(children.props.className, className),
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});
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return TriggerComponentBounded;
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}
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}
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DropdownTrigger.propTypes = propTypes;
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