193 lines
7.4 KiB
JavaScript
193 lines
7.4 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 = new(function() {
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var _tabindex = 1,
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_windows = [],
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_count = 0;
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var register = function(fields) {
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var arr = [];
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if (!fields.forEach) {
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fields = [fields];
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}
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fields.forEach(function(field) {
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if (field) {
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var item = {};
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if (field.cmp && typeof field.selector == 'string')
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item = field;
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else {
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item.cmp = field;
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if (field instanceof Common.UI.ListView)
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item.selector = '.listview';
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else if (field instanceof Common.UI.CheckBox)
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item.selector = '.checkbox-indeterminate';
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else if (field instanceof Common.UI.RadioBox)
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item.selector = '.radiobox';
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else if (field instanceof Common.UI.TreeView)
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item.selector = '.treeview';
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else if (field instanceof Common.UI.Button)
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item.selector = 'button';
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else
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item.selector = '.form-control';
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}
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item.el = (item.cmp.$el || $(item.cmp.el || item.cmp)).find(item.selector).addBack().filter(item.selector);
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item.el && item.el.attr && (item.cmp.setTabIndex ? item.cmp.setTabIndex(_tabindex) : item.el.attr('tabindex', _tabindex.toString()));
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arr.push(item);
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}
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});
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return arr;
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};
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var addTraps = function(current) {
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if (!current || current.traps || !current.fields || current.fields.length<1) return;
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var trapFirst = $('<span aria-hidden="true" tabindex="' + _tabindex + '"></span>');
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trapFirst.on('focus', function() {
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if (current.hidden) return;
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var fields = current.fields;
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for (var i=fields.length-1; i>=0; i--) {
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var field = fields[i];
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if ((field.cmp.isVisible ? field.cmp.isVisible() : field.cmp.is(':visible')) && !(field.cmp.isDisabled && field.cmp.isDisabled())) {
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var el = (field.selector) ? (field.cmp.$el || $(field.cmp.el || field.cmp)).find(field.selector).addBack().filter(field.selector) : field.el;
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el && setTimeout(function(){ el.focus(); }, 10);
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break;
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}
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}
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});
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current.parent.$window.prepend(trapFirst);
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var trapLast = $('<span aria-hidden="true" tabindex="' + (_tabindex+1) + '"></span>');
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trapLast.on('focus', function() {
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if (current.hidden) return;
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var fields = current.fields;
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for (var i=0; i<fields.length; i++) {
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var field = fields[i];
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if ((field.cmp.isVisible ? field.cmp.isVisible() : field.cmp.is(':visible')) && !(field.cmp.isDisabled && field.cmp.isDisabled())) {
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var el = (field.selector) ? (field.cmp.$el || $(field.cmp.el || field.cmp)).find(field.selector).addBack().filter(field.selector) : field.el;
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el && setTimeout(function(){ el.focus(); }, 10);
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break;
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}
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}
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});
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current.parent.$window.append(trapLast);
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current.traps = [trapFirst, trapLast];
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};
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var updateTabIndexes = function(increment) {
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var step = increment ? 1 : -1;
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for (var cid in _windows) {
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if (_windows.hasOwnProperty(cid)) {
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var item = _windows[cid];
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if (item && item.index < _count-1 && item.traps)
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item.traps[1].attr('tabindex', (parseInt(item.traps[1].attr('tabindex')) + step).toString());
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}
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}
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};
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var _add = function(e, fields) {
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if (e && e.cid) {
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if (_windows[e.cid]) {
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_windows[e.cid].fields = (_windows[e.cid].fields || []).concat(register(fields));
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} else {
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_windows[e.cid] = {
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parent: e,
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fields: register(fields),
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hidden: false,
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index: _count++
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};
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}
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addTraps(_windows[e.cid]);
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}
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};
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var _init = function() {
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Common.NotificationCenter.on({
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'modal:show': function(e){
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if (e && e.cid) {
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if (_windows[e.cid]) {
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_windows[e.cid].hidden = false;
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} else {
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_windows[e.cid] = {
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parent: e,
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hidden: false,
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index: _count++
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};
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updateTabIndexes(true);
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}
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}
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},
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'window:show': function(e){
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if (e && e.cid && _windows[e.cid] && !_windows[e.cid].fields) {
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_windows[e.cid].fields = register(e.getFocusedComponents());
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addTraps(_windows[e.cid]);
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}
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var el = e ? e.getDefaultFocusableComponent() : null;
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el && setTimeout(function(){ el.focus(); }, 100);
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},
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'modal:close': function(e, last) {
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if (e && e.cid && _windows[e.cid]) {
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updateTabIndexes(false);
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delete _windows[e.cid];
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_count--;
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}
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},
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'modal:hide': function(e, last) {
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if (e && e.cid && _windows[e.cid]) {
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_windows[e.cid].hidden = true;
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}
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}
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});
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};
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return {
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init: _init,
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add: _add
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}
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})(); |