https://katowice.eu/Style%20Library/js/mobile.js

1(function ($) {
2    $.fn.mobileMenu = function (o) {
3
4        var o = jQuery.extend({ ulsource: '', maxlevel: 8 }, o);
5
6        // internal functions
7        String.prototype.lpad = function (padString, length) {
8            var str = this;
9            while (str.length < length)
10                str = padString + str;
11            return str;
12        }
13
14        var MENU = MENU || {
15            optionsList: "<option select='selected'>Menu</option>",
16
17            // recursively walks an unordered list and builds a list of option elements for a select dropdown
18            BuildSelectOptionsFromMenu: function (liElems, level, maxLevel) {
19
20                if (liElems.length == 0)
21                    return;
22
23                var spaces = "".lpad("&nbsp;&#187;&nbsp;", (level - 1) * 12);
24
25                liElems.each(function () {
26
27                    var aSpanElem = $(this).find("span.menu-item-text").first();
28                    var aSpanElemLink = aSpanElem.parent().parent().attr("href");
29                    
30                    //console.log(aSpanElem.text());
31                    
32                    if (typeof aSpanElemLink !== "undefined") {
33                    	MENU.optionsList += "<option value='" + aSpanElemLink + "'>" + spaces + aSpanElem.text() + "</option> \n";
34                    } else {
35                    	MENU.optionsList += "<option value='#'>" + spaces + aSpanElem.text() + "</option> \n";
36                    }
37                    
38                    
39                    // recursively get next level of li tags
40                    if (level < maxLevel)
41                        MENU.BuildSelectOptionsFromMenu($(this).children("ul").children("li"), level + 1, maxLevel);
42                });
43            }
44        }
45
46        // plugin code
47        var ul = $(o.ulsource);
48        var lis = ul.children("li");
49
50        if (this.length == 0 || !this.is("select")) {
51            $.error("mobileMenu method not applied to a select element on jquery.mobilemenu");
52            return this;
53        }
54
55        if (ul.length == 0 || lis.length == 0) {
56            $.error("ulsource not found in DOM, or doesn't contain li elements on jquery.mobilemenu");
57            return this;
58        }
59
60        MENU.BuildSelectOptionsFromMenu(lis, 1, o.maxlevel);
61
62        // add newly constructed list of options to the select element and navigate on the change event
63        this.html(MENU.optionsList).bind("change.mobileMenu", function () {
64            window.location.href = $(this).val();
65        });
66
67        return this;
68
69    };
70})(jQuery);