web-apps/apps/common/mobile/utils/utils.js

/*
 *
 * (c) Copyright Ascensio System Limited 2010-2018
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
 * EU, LV-1021.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */

/**
 *  utils.js
 *
 *  Created by Maxim.Kadushkin on 1/30/2017
 *  Copyright (c) 2018 Ascensio System SIA. All rights reserved.
 *
 */

define([
    'jquery',
    'underscore'
], function ($, _) {
    'use strict';

    !Common && (Common = {});
    !Common.Utils && (Common.Utils = {});

    Common.Utils.androidMenuTop = function ($popover, $target) {
        $popover.css({left: '', top: ''});
        var modalWidth =  $popover.width();
        var modalHeight =  $popover.height();
        var modalAngleSize = 10;
        var targetWidth = $target.outerWidth();
        var targetHeight = $target.outerHeight();
        var targetOffset = $target.offset();
        var targetParentPage = $target.parents('.page');
        if (targetParentPage.length > 0) {
            targetOffset.top = targetOffset.top - targetParentPage[0].scrollTop;
        }

        var windowHeight = $(window).height();
        var windowWidth = $(window).width();

        var modalTop = 0;
        var modalLeft = 0;

        // Top Position
        var modalPosition = 'top';// material ? 'bottom' : 'top';
        {
            if ((modalHeight + modalAngleSize) < targetOffset.top) {
                // On top
                modalTop = targetOffset.top - modalHeight - modalAngleSize;
            }
            else if ((modalHeight + modalAngleSize) < windowHeight - targetOffset.top - targetHeight) {
                // On bottom
                modalPosition = 'bottom';
                modalTop = targetOffset.top + targetHeight + modalAngleSize;
            }
            else {
                // On middle
                modalPosition = 'middle';
                modalTop = targetHeight / 2 + targetOffset.top - modalHeight / 2;

                if (modalTop <= 0) {
                    modalTop = 5;
                }
                else if (modalTop + modalHeight >= windowHeight) {
                    modalTop = windowHeight - modalHeight - 5;
                }
            }

            // Horizontal Position
            if (modalPosition === 'top' || modalPosition === 'bottom') {
                modalLeft = targetWidth / 2 + targetOffset.left - modalWidth / 2;
                if (modalLeft < 5) modalLeft = 5;
                if (modalLeft + modalWidth > windowWidth) modalLeft = windowWidth - modalWidth - 5;
            }
            else if (modalPosition === 'middle') {
                modalLeft = targetOffset.left - modalWidth - modalAngleSize;

                if (modalLeft < 5 || (modalLeft + modalWidth > windowWidth)) {
                    if (modalLeft < 5) modalLeft = targetOffset.left + targetWidth + modalAngleSize;
                    if (modalLeft + modalWidth > windowWidth) modalLeft = windowWidth - modalWidth - 5;
                }
            }
        }

        // Apply Styles
        $popover.css({top: modalTop + 'px', left: modalLeft + 'px'});
    };
});