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| 1 | +import React from 'react'; |
| 2 | +import domUtils from './utils/domUtils'; |
| 3 | +import EventListener from './utils/EventListener'; |
| 4 | + |
| 5 | +// TODO: Merge this logic with dropdown logic once #526 is done. |
| 6 | + |
| 7 | +/** |
| 8 | + * Checks whether a node is within |
| 9 | + * a root nodes tree |
| 10 | + * |
| 11 | + * @param {DOMElement} node |
| 12 | + * @param {DOMElement} root |
| 13 | + * @returns {boolean} |
| 14 | + */ |
| 15 | +function isNodeInRoot(node, root) { |
| 16 | + while (node) { |
| 17 | + if (node === root) { |
| 18 | + return true; |
| 19 | + } |
| 20 | + node = node.parentNode; |
| 21 | + } |
| 22 | + |
| 23 | + return false; |
| 24 | +} |
| 25 | + |
| 26 | +export default class RootCloseWrapper extends React.Component { |
| 27 | + constructor(props) { |
| 28 | + super(props); |
| 29 | + |
| 30 | + this.handleDocumentClick = this.handleDocumentClick.bind(this); |
| 31 | + this.handleDocumentKeyUp = this.handleDocumentKeyUp.bind(this); |
| 32 | + } |
| 33 | + |
| 34 | + bindRootCloseHandlers() { |
| 35 | + const doc = domUtils.ownerDocument(this); |
| 36 | + |
| 37 | + this._onDocumentClickListener = |
| 38 | + EventListener.listen(doc, 'click', this.handleDocumentClick); |
| 39 | + this._onDocumentKeyupListener = |
| 40 | + EventListener.listen(doc, 'keyup', this.handleDocumentKeyUp); |
| 41 | + } |
| 42 | + |
| 43 | + handleDocumentClick(e) { |
| 44 | + // If the click originated from within this component, don't do anything. |
| 45 | + if (isNodeInRoot(e.target, React.findDOMNode(this))) { |
| 46 | + return; |
| 47 | + } |
| 48 | + |
| 49 | + this.props.onRootClose(); |
| 50 | + } |
| 51 | + |
| 52 | + handleDocumentKeyUp(e) { |
| 53 | + if (e.keyCode === 27) { |
| 54 | + this.props.onRootClose(); |
| 55 | + } |
| 56 | + } |
| 57 | + |
| 58 | + unbindRootCloseHandlers() { |
| 59 | + if (this._onDocumentClickListener) { |
| 60 | + this._onDocumentClickListener.remove(); |
| 61 | + } |
| 62 | + |
| 63 | + if (this._onDocumentKeyupListener) { |
| 64 | + this._onDocumentKeyupListener.remove(); |
| 65 | + } |
| 66 | + } |
| 67 | + |
| 68 | + componentDidMount() { |
| 69 | + this.bindRootCloseHandlers(); |
| 70 | + } |
| 71 | + |
| 72 | + render() { |
| 73 | + return React.Children.only(this.props.children); |
| 74 | + } |
| 75 | + |
| 76 | + componentWillUnmount() { |
| 77 | + this.unbindRootCloseHandlers(); |
| 78 | + } |
| 79 | +} |
| 80 | +RootCloseWrapper.propTypes = { |
| 81 | + onRootClose: React.PropTypes.func.isRequired |
| 82 | +}; |
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