office-ui-fabric-react/lib-amd/components/Popup/Popup.js

Reusable React components for building experiences for Office 365.

var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var __assign = (this && this.__assign) || Object.assign || function(t) {
    for (var s, i = 1, n = arguments.length; i < n; i++) {
        s = arguments[i];
        for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
            t[p] = s[p];
    }
    return t;
};
define(["require", "exports", "react", "../../utilities/KeyCodes", "../../common/BaseComponent", "../../Utilities", "../../utilities/focus", "../../utilities/dom"], function (require, exports, React, KeyCodes_1, BaseComponent_1, Utilities_1, focus_1, dom_1) {
    "use strict";
    /**
     * This adds accessibility to Dialog and Panel controls
     */
    var Popup = (function (_super) {
        __extends(Popup, _super);
        function Popup() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        Popup.prototype.componentWillMount = function () {
            this._originalFocusedElement = dom_1.getDocument().activeElement;
        };
        Popup.prototype.componentDidMount = function () {
            this._events.on(this.refs.root, 'keydown', this._onKeyDown);
            this._events.on(this.refs.root, 'focus', this._onFocus, true);
            this._events.on(this.refs.root, 'blur', this._onBlur, true);
            if (focus_1.doesElementContainFocus(this.refs.root)) {
                this._containsFocus = true;
            }
        };
        Popup.prototype.componentWillUnmount = function () {
            if (this.props.shouldRestoreFocus &&
                this._originalFocusedElement &&
                this._containsFocus &&
                this._originalFocusedElement !== window) {
                // This slight delay is required so that we can unwind the stack, let react try to mess with focus, and then
                // apply the correct focus. Without the setTimeout, we end up focusing the correct thing, and then React wants
                // to reset the focus back to the thing it thinks should have been focused.
                if (this._originalFocusedElement) {
                    this._originalFocusedElement.focus();
                }
            }
        };
        Popup.prototype.render = function () {
            var _a = this.props, role = _a.role, className = _a.className, ariaLabelledBy = _a.ariaLabelledBy, ariaDescribedBy = _a.ariaDescribedBy;
            return (React.createElement("div", __assign({ ref: 'root' }, Utilities_1.getNativeProps(this.props, Utilities_1.divProperties), { className: className, role: role, "aria-labelledby": ariaLabelledBy, "aria-describedby": ariaDescribedBy }), this.props.children));
        };
        Popup.prototype._onKeyDown = function (ev) {
            switch (ev.which) {
                case KeyCodes_1.KeyCodes.escape:
                    if (this.props.onDismiss) {
                        this.props.onDismiss();
                        ev.preventDefault();
                        ev.stopPropagation();
                    }
                    break;
            }
        };
        Popup.prototype._onFocus = function () {
            this._containsFocus = true;
        };
        Popup.prototype._onBlur = function () {
            this._containsFocus = false;
        };
        return Popup;
    }(BaseComponent_1.BaseComponent));
    Popup.defaultProps = {
        shouldRestoreFocus: true
    };
    exports.Popup = Popup;
});

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