https://orzesze.pl/template_63/js/vendor/bootstrap-submenu.js

1/**
2 * $.inArray: friends with IE8. Use Array.prototype.indexOf in future.
3 * $.proxy: friends with IE8. Use Function.prototype.bind in future.
4 */
5
6'use strict';
7
8(function(factory) {
9  if (typeof define == 'function' && define.amd) {
10    // AMD. Register as an anonymous module
11    define(['jquery'], factory);
12  }
13  else if (typeof exports == 'object') {
14    // Node/CommonJS
15    module.exports = factory(require('jquery'));
16  }
17  else {
18    // Browser globals
19    factory(jQuery);
20  }
21})(function($) {
22  function Item(element) {
23    this.$element = $(element);
24    this.$menu = this.$element.closest('.dropdown-menu');
25    this.$main = this.$menu.parent();
26    this.$items = this.$menu.children('.dropdown-submenu');
27
28    this.init();
29  }
30
31  Item.prototype = {
32    init: function() {
33      this.$element.on('keydown', $.proxy(this, 'keydown'));
34    },
35    close: function() {
36      this.$main.removeClass('open');
37      this.$items.trigger('hide.bs.submenu');
38    },
39    keydown: function(event) {
40      // 27: Esc
41
42      if (event.keyCode == 27) {
43        event.stopPropagation();
44
45        this.close();
46        this.$main.children('a, button').trigger('focus');
47      }
48    }
49  };
50
51  function SubmenuItem(element) {
52    this.$element = $(element);
53    this.$main = this.$element.parent();
54    this.$menu = this.$main.children('.dropdown-menu');
55    this.$subs = this.$main.siblings('.dropdown-submenu');
56    this.$items = this.$menu.children('.dropdown-submenu');
57
58    this.init();
59  }
60
61  $.extend(SubmenuItem.prototype, Item.prototype, {
62    init: function() {
63      this.$element.on({
64        click: $.proxy(this, 'click'),
65        keydown: $.proxy(this, 'keydown')
66      });
67
68      this.$main.on('hide.bs.submenu', $.proxy(this, 'hide'));
69    },
70    click: function(event) {
71      // Fix a[href="#"]. For community
72      event.preventDefault();
73
74      event.stopPropagation();
75
76      this.toggle();
77    },
78    hide: function(event) {
79      // Stop event bubbling
80      event.stopPropagation();
81
82      this.close();
83    },
84    open: function() {
85      this.$main.addClass('open');
86      this.$subs.trigger('hide.bs.submenu');
87    },
88    toggle: function() {
89      if (this.$main.hasClass('open')) {
90        this.close();
91      }
92      else {
93        this.open();
94      }
95    },
96    keydown: function(event) {
97      // 13: Return, 32: Spacebar
98
99      if (event.keyCode == 32) {
100        // Off vertical scrolling
101        event.preventDefault();
102      }
103
104      if ($.inArray(event.keyCode, [13, 32]) != -1) {
105        this.toggle();
106      }
107    }
108  });
109
110  function Submenupicker(element) {
111    this.$element = $(element);
112    this.$main = this.$element.parent();
113    this.$menu = this.$main.children('.dropdown-menu');
114    this.$items = this.$menu.children('.dropdown-submenu');
115
116    this.init();
117  }
118
119  Submenupicker.prototype = {
120    init: function() {
121      this.$menu.off('keydown.bs.dropdown.data-api');
122      this.$menu.on('keydown', $.proxy(this, 'itemKeydown'));
123
124      this.$menu.find('li > a').each(function() {
125        new Item(this);
126      });
127
128      this.$menu.find('.dropdown-submenu > a').each(function() {
129        new SubmenuItem(this);
130      });
131
132      this.$main.on('hidden.bs.dropdown', $.proxy(this, 'hidden'));
133    },
134    hidden: function() {
135      this.$items.trigger('hide.bs.submenu');
136    },
137    itemKeydown: function(event) {
138      // 38: Arrow up, 40: Arrow down
139
140      if ($.inArray(event.keyCode, [38, 40]) != -1) {
141        // Off vertical scrolling
142        event.preventDefault();
143
144        event.stopPropagation();
145
146        var $items = this.$menu.find('li:not(.disabled):visible > a');
147        var index = $items.index(event.target);
148
149        if (event.keyCode == 38 && index !== 0) {
150          index--;
151        }
152        else if (event.keyCode == 40 && index !== $items.length - 1) {
153          index++;
154        }
155        else {
156          return;
157        }
158
159        $items.eq(index).trigger('focus');
160      }
161    }
162  };
163
164  var old = $.fn.submenupicker;
165
166  // For AMD/Node/CommonJS used elements (optional)
167  // http://learn.jquery.com/jquery-ui/environments/amd/
168  $.fn.submenupicker = function(elements) {
169    var $elements = this instanceof $ ? this : $(elements);
170
171    return $elements.each(function() {
172      var data = $.data(this, 'bs.submenu');
173
174      if (!data) {
175        data = new Submenupicker(this);
176
177        $.data(this, 'bs.submenu', data);
178      }
179    });
180  };
181
182  $.fn.submenupicker.Constructor = Submenupicker;
183  $.fn.submenupicker.noConflict = function() {
184    $.fn.submenupicker = old;
185    return this;
186  };
187
188  return $.fn.submenupicker;
189});