https://catalogue.geomartinique.fr/geonetwork/catalog/views/apps_e…/js/bootstrap-submenu.js

1/*!
2 * Bootstrap-submenu v2.0.4 (https://vsn4ik.github.io/bootstrap-submenu/)
3 * Copyright 2014-2016 Vasily A. (https://github.com/vsn4ik)
4 * Licensed under the MIT license
5 */
6
7/**
8 * $.inArray: friends with IE8. Use Array.prototype.indexOf in future.
9 * $.proxy: friends with IE8. Use Function.prototype.bind in future.
10 */
11
12'use strict';
13
14(function(factory) {
15  if (typeof define == 'function' && define.amd) {
16    // AMD. Register as an anonymous module
17    define(['jquery'], factory);
18  }
19  else if (typeof exports == 'object') {
20    // Node/CommonJS
21    module.exports = factory(require('jquery'));
22  }
23  else {
24    // Browser globals
25    factory(jQuery);
26  }
27})(function($) {
28  function Item(element) {
29    this.$element = $(element);
30    this.$menu = this.$element.closest('.dropdown-menu');
31    this.$main = this.$menu.parent();
32    this.$items = this.$menu.children('.dropdown-submenu');
33
34    this.init();
35  }
36
37  Item.prototype = {
38    init: function() {
39      this.$element.on('keydown', $.proxy(this, 'keydown'));
40    },
41    close: function() {
42      this.$main.removeClass('open');
43      this.$items.trigger('hide.bs.submenu');
44    },
45    keydown: function(event) {
46      // 27: Esc
47
48      if (event.keyCode == 27) {
49        event.stopPropagation();
50
51        this.close();
52        this.$main.children('a, button').trigger('focus');
53      }
54    }
55  };
56
57  function SubmenuItem(element) {
58    this.$element = $(element);
59    this.$main = this.$element.parent();
60    this.$menu = this.$main.children('.dropdown-menu');
61    this.$subs = this.$main.siblings('.dropdown-submenu');
62    this.$items = this.$menu.children('.dropdown-submenu');
63
64    this.init();
65  }
66
67  $.extend(SubmenuItem.prototype, Item.prototype, {
68    init: function() {
69      this.$element.on({
70        click: $.proxy(this, 'click'),
71        keydown: $.proxy(this, 'keydown')
72      });
73
74      this.$main.on('hide.bs.submenu', $.proxy(this, 'hide'));
75    },
76    click: function(event) {
77      // Fix a[href="#"]. For community
78      event.preventDefault();
79
80      event.stopPropagation();
81
82      this.toggle();
83    },
84    hide: function(event) {
85      // Stop event bubbling
86      event.stopPropagation();
87
88      this.close();
89    },
90    open: function() {
91      this.$main.addClass('open');
92      this.$subs.trigger('hide.bs.submenu');
93    },
94    toggle: function() {
95      if (this.$main.hasClass('open')) {
96        this.close();
97      }
98      else {
99        this.open();
100      }
101    },
102    keydown: function(event) {
103      // 13: Return, 32: Spacebar
104
105      if (event.keyCode == 32) {
106        // Off vertical scrolling
107        event.preventDefault();
108      }
109
110      if ($.inArray(event.keyCode, [13, 32]) != -1) {
111        this.toggle();
112      }
113    }
114  });
115
116  function Submenupicker(element) {
117    this.$element = $(element);
118    this.$main = this.$element.parent();
119    this.$menu = this.$main.children('.dropdown-menu');
120    this.$items = this.$menu.children('.dropdown-submenu');
121
122    this.init();
123  }
124
125  Submenupicker.prototype = {
126    init: function() {
127      this.$menu.off('keydown.bs.dropdown.data-api');
128      this.$menu.on('keydown', $.proxy(this, 'itemKeydown'));
129
130      this.$menu.find('li > a').each(function() {
131        new Item(this);
132      });
133
134      this.$menu.find('.dropdown-submenu > a').each(function() {
135        new SubmenuItem(this);
136      });
137
138      this.$main.on('hidden.bs.dropdown', $.proxy(this, 'hidden'));
139    },
140    hidden: function() {
141      this.$items.trigger('hide.bs.submenu');
142    },
143    itemKeydown: function(event) {
144      // 38: Arrow up, 40: Arrow down
145
146      if ($.inArray(event.keyCode, [38, 40]) != -1) {
147        // Off vertical scrolling
148        event.preventDefault();
149
150        event.stopPropagation();
151
152        var $items = this.$menu.find('li:not(.disabled):visible > a');
153        var index = $items.index(event.target);
154
155        if (event.keyCode == 38 && index !== 0) {
156          index--;
157        }
158        else if (event.keyCode == 40 && index !== $items.length - 1) {
159          index++;
160        }
161        else {
162          return;
163        }
164
165        $items.eq(index).trigger('focus');
166      }
167    }
168  };
169
170  var old = $.fn.submenupicker;
171
172  // For AMD/Node/CommonJS used elements (optional)
173  // http://learn.jquery.com/jquery-ui/environments/amd/
174  $.fn.submenupicker = function(elements) {
175    var $elements = this instanceof $ ? this : $(elements);
176
177    return $elements.each(function() {
178      var data = $.data(this, 'bs.submenu');
179
180      if (!data) {
181        data = new Submenupicker(this);
182
183        $.data(this, 'bs.submenu', data);
184      }
185    });
186  };
187
188  $.fn.submenupicker.Constructor = Submenupicker;
189  $.fn.submenupicker.noConflict = function() {
190    $.fn.submenupicker = old;
191    return this;
192  };
193
194  return $.fn.submenupicker;
195});