96 lines
3.7 KiB
JavaScript
96 lines
3.7 KiB
JavaScript
/*
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* (c) Copyright Ascensio System SIA 2010-2015
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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 Lubanas st. 125a-25, Riga, Latvia,
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* EU, LV-1021.
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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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function onDropDownKeyDown(e) {
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var $this = $(this),
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$parent = $this.parent(),
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beforeEvent = jQuery.Event("keydown.before.bs.dropdown"),
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afterEvent = jQuery.Event("keydown.after.bs.dropdown");
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$parent.trigger(beforeEvent);
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if (beforeEvent.isDefaultPrevented()) {
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return;
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}
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patchDropDownKeyDown.call(this, e);
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e.preventDefault();
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e.stopPropagation();
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$parent.trigger(afterEvent);
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}
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function patchDropDownKeyDown(e) {
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if (!/(38|40|27)/.test(e.keyCode)) {
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return;
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}
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var $this = $(this);
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e.preventDefault();
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e.stopPropagation();
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if ($this.is(".disabled, :disabled")) {
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return;
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}
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var $parent = getParent($this);
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var isActive = $parent.hasClass("open");
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if (!isActive || (isActive && e.keyCode == 27)) {
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if (e.which == 27) {
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$items = $("[role=menu] li.dropdown-submenu.over:visible", $parent);
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if ($items.size()) {
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$items.eq($items.size() - 1).removeClass("over");
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return false;
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} else {
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$parent.find("[data-toggle=dropdown]").focus();
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}
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}
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return $this.click();
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}
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var $items = $("[role=menu] li:not(.divider):not(.disabled):visible", $parent).find("> a");
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if (!$items.length) {
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return;
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}
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var index = $items.index($items.filter(":focus"));
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if (e.keyCode == 38) {
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index > 0 ? index--:(index = $items.length - 1);
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} else {
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if (e.keyCode == 40) {
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index < $items.length - 1 ? index++:(index = 0);
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}
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}
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if (!~index) {
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index = 0;
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}
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$items.eq(index).focus();
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}
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function getParent($this) {
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var selector = $this.attr("data-target");
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if (!selector) {
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selector = $this.attr("href");
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selector = selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, "");
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}
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var $parent = selector && $(selector);
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return $parent && $parent.length ? $parent : $this.parent();
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}
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$(document).off("keydown.bs.dropdown.data-api").on("keydown.bs.dropdown.data-api", "[data-toggle=dropdown], [role=menu]", onDropDownKeyDown); |