131 lines
4.8 KiB
JavaScript
131 lines
4.8 KiB
JavaScript
/*
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*
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* (c) Copyright Ascensio System SIA 2010-2020
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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/**
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* FocusManager.js
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*
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* Created by Julia Radzhabova on 24.09.2020
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* Copyright (c) 2020 Ascensio System SIA. All rights reserved.
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*
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*/
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if (Common === undefined)
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var Common = {};
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if (Common.UI === undefined) {
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Common.UI = {};
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}
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Common.UI.FocusManager = function (tabindex, parent) {
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var register = function(fields, options, tabindex) {
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var arr = [],
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selector,
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el;
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if (typeof options==='string') {
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selector = options;
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} else {
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el = options;
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}
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if (!fields.forEach) {
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fields = [fields];
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if (el)
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el = [el];
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}
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fields.forEach(function(cmp, index) {
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var elem = selector ? (cmp.$el || $(cmp.el)).find(selector).addBack().filter(selector) : (el && el[index] ? el[index] : cmp);
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elem && elem.attr && elem.attr('tabindex', tabindex.toString());
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arr.push({
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cmp: cmp,
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el: elem,
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selector: selector
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});
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});
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return arr;
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};
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return {
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tabindex: tabindex || 0,
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parent: parent,
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fields: [],
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add: function(fields, options) { // options may be selector or component.el
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this.fields = this.fields.concat(register(fields, options, this.tabindex));
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!this.trapFirst && this.addTraps();
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},
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insert: function(field, index, options) {
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this.fields.splice(index, 0, register(field, options, this.tabindex));
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},
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remove: function(index) {
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this.fields.splice(index, 1);
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},
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addTraps: function() {
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if (!this.parent || !this.parent.$window) return;
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var me = this;
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this.trapFirst = $('<span aria-hidden="true" tabindex="' + this.tabindex + '"></span>');
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this.trapFirst.on('focus', function() {
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for (var i=0; i<me.fields.length; i++) {
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var field = me.fields[i];
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if ((field.cmp.isVisible ? field.cmp.isVisible() : field.cmp.is(':visible')) && !(field.cmp.isDisabled && field.cmp.isDisabled())) {
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var el = (field.selector) ? (field.cmp.$el || $(field.cmp.el)).find(field.selector).addBack().filter(field.selector) : field.el;
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el.focus();
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break;
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}
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}
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});
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this.parent.$window.prepend(this.trapFirst);
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this.trapLast = $('<span aria-hidden="true" tabindex="' + (this.tabindex+1) + '"></span>');
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this.trapLast.on('focus', function() {
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for (var i=me.fields.length-1; i>=0; i--) {
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var field = me.fields[i];
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if ((field.cmp.isVisible ? field.cmp.isVisible() : field.cmp.is(':visible')) && !(field.cmp.isDisabled && field.cmp.isDisabled())) {
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var el = (field.selector) ? (field.cmp.$el || $(field.cmp.el)).find(field.selector).addBack().filter(field.selector) : field.el;
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el.focus();
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break;
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}
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}
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});
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this.parent.$window.append(this.trapLast);
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},
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setTabIndex: function (tabindex) {
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this.tabindex = tabindex;
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}
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}
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};
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