https://www.crg.eu/sites/all/libraries/superfish/supersubs.js?tlprua

1/*
2 * Supersubs v0.2b - jQuery plugin
3 * Copyright (c) 2008 Joel Birch
4 *
5 * Dual licensed under the MIT and GPL licenses:
6 *  http://www.opensource.org/licenses/mit-license.php
7 *  http://www.gnu.org/licenses/gpl.html
8 *
9 * This plugin automatically adjusts submenu widths of suckerfish-style menus to that of
10 * their longest list item children. If you use this, please expect bugs and report them
11 * to the jQuery Google Group with the word 'Superfish' in the subject line.
12 *
13 */
14/*
15 * This is not the original jQuery Supersubs plugin.
16 * Please refer to the README for more information.
17 */
18
19(function($){ // $ will refer to jQuery within this closure
20  $.fn.supersubs = function(options){
21    var opts = $.extend({}, $.fn.supersubs.defaults, options);
22    // return original object to support chaining
23    return this.each(function() {
24      // cache selections
25      var $$ = $(this);
26      // support metadata
27      var o = $.meta ? $.extend({}, opts, $$.data()) : opts;
28      // get the font size of menu.
29      // .css('fontSize') returns various results cross-browser, so measure an em dash instead
30      var fontsize = $('<li id="menu-fontsize">&#8212;</li>').css({
31        'padding' : 0,
32        'position' : 'absolute',
33        'top' : '-99999em',
34        'width' : 'auto'
35      }).appendTo($$).width(); //clientWidth is faster, but was incorrect here
36      // remove em dash
37      $('#menu-fontsize').remove();
38
39      // Jump on level if it's a "NavBar"
40      if ($$.hasClass('sf-navbar')) {
41        $$ = $('li > ul', $$);
42      }
43      // cache all ul elements 
44      $ULs = $$.find('ul:not(.sf-megamenu)');
45      // loop through each ul in menu
46      $ULs.each(function(i) {
47        // cache this ul
48        var $ul = $ULs.eq(i);
49        // get all (li) children of this ul
50        var $LIs = $ul.children();
51        // get all anchor grand-children
52        var $As = $LIs.children('a');
53        // force content to one line and save current float property
54        var liFloat = $LIs.css('white-space','nowrap').css('float');
55        // remove width restrictions and floats so elements remain vertically stacked
56        var emWidth = $ul.add($LIs).add($As).css({
57          'float' : 'none',
58          'width'  : 'auto'
59        })
60        // this ul will now be shrink-wrapped to longest li due to position:absolute
61        // so save its width as ems. Clientwidth is 2 times faster than .width() - thanks Dan Switzer
62        .end().end()[0].clientWidth / fontsize;
63        // add more width to ensure lines don't turn over at certain sizes in various browsers
64        emWidth += o.extraWidth;
65        // restrict to at least minWidth and at most maxWidth
66        if (emWidth > o.maxWidth)    { emWidth = o.maxWidth; }
67        else if (emWidth < o.minWidth)  { emWidth = o.minWidth; }
68        emWidth += 'em';
69        // set ul to width in ems
70        $ul.css('width',emWidth);
71        // restore li floats to avoid IE bugs
72        // set li width to full width of this ul
73        // revert white-space to normal
74        $LIs.css({
75          'float' : liFloat,
76          'width' : '100%',
77          'white-space' : 'normal'
78        })
79        // update offset position of descendant ul to reflect new width of parent
80        .each(function(){
81          var $childUl = $('>ul',this);
82          var offsetDirection = $childUl.css('left')!==undefined ? 'left' : 'right';
83          $childUl.css(offsetDirection,emWidth);
84        });
85      });
86    });
87  };
88  // expose defaults
89  $.fn.supersubs.defaults = {
90    minWidth: 9, // requires em unit.
91    maxWidth: 25, // requires em unit.
92    extraWidth: 0 // extra width can ensure lines don't sometimes turn over due to slight browser differences in how they round-off values
93  };
94})(jQuery); // plugin code ends