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| | </style> | | </style> |
| - | <script type="text/javascript" src="http://code.jquery.com/jquery-1.8.2.min.js"></script>
| |
| | | | |
| | <script type="text/javascript"> | | <script type="text/javascript"> |
| | + | |
| | + | /* |
| | + | * Supersubs v0.2b - jQuery plugin |
| | + | * Copyright (c) 2008 Joel Birch |
| | + | * |
| | + | * Dual licensed under the MIT and GPL licenses: |
| | + | * http://www.opensource.org/licenses/mit-license.php |
| | + | * http://www.gnu.org/licenses/gpl.html |
| | + | * |
| | + | * |
| | + | * This plugin automatically adjusts submenu widths of suckerfish-style menus to that of |
| | + | * their longest list item children. If you use this, please expect bugs and report them |
| | + | * to the jQuery Google Group with the word 'Superfish' in the subject line. |
| | + | * |
| | + | */ |
| | + | |
| | + | ;(function($){ // $ will refer to jQuery within this closure |
| | + | |
| | + | $.fn.supersubs = function(options){ |
| | + | var opts = $.extend({}, $.fn.supersubs.defaults, options); |
| | + | // return original object to support chaining |
| | + | return this.each(function() { |
| | + | // cache selections |
| | + | var $$ = $(this); |
| | + | // support metadata |
| | + | var o = $.meta ? $.extend({}, opts, $$.data()) : opts; |
| | + | // get the font size of menu. |
| | + | // .css('fontSize') returns various results cross-browser, so measure an em dash instead |
| | + | var fontsize = $('<li id="menu-fontsize">—</li>').css({ |
| | + | 'padding' : 0, |
| | + | 'position' : 'absolute', |
| | + | 'top' : '-999em', |
| | + | 'width' : 'auto' |
| | + | }).appendTo($$).width(); //clientWidth is faster, but was incorrect here |
| | + | // remove em dash |
| | + | $('#menu-fontsize').remove(); |
| | + | // cache all ul elements |
| | + | $ULs = $$.find('ul'); |
| | + | // loop through each ul in menu |
| | + | $ULs.each(function(i) { |
| | + | // cache this ul |
| | + | var $ul = $ULs.eq(i); |
| | + | // get all (li) children of this ul |
| | + | var $LIs = $ul.children(); |
| | + | // get all anchor grand-children |
| | + | var $As = $LIs.children('a'); |
| | + | // force content to one line and save current float property |
| | + | var liFloat = $LIs.css('white-space','nowrap').css('float'); |
| | + | // remove width restrictions and floats so elements remain vertically stacked |
| | + | var emWidth = $ul.add($LIs).add($As).css({ |
| | + | 'float' : 'none', |
| | + | 'width' : 'auto' |
| | + | }) |
| | + | // this ul will now be shrink-wrapped to longest li due to position:absolute |
| | + | // so save its width as ems. Clientwidth is 2 times faster than .width() - thanks Dan Switzer |
| | + | .end().end()[0].clientWidth / fontsize; |
| | + | // add more width to ensure lines don't turn over at certain sizes in various browsers |
| | + | emWidth += o.extraWidth; |
| | + | // restrict to at least minWidth and at most maxWidth |
| | + | if (emWidth > o.maxWidth) { emWidth = o.maxWidth; } |
| | + | else if (emWidth < o.minWidth) { emWidth = o.minWidth; } |
| | + | emWidth += 'em'; |
| | + | // set ul to width in ems |
| | + | $ul.css('width',emWidth); |
| | + | // restore li floats to avoid IE bugs |
| | + | // set li width to full width of this ul |
| | + | // revert white-space to normal |
| | + | $LIs.css({ |
| | + | 'float' : liFloat, |
| | + | 'width' : '100%', |
| | + | 'white-space' : 'normal' |
| | + | }) |
| | + | // update offset position of descendant ul to reflect new width of parent |
| | + | .each(function(){ |
| | + | var $childUl = $('>ul',this); |
| | + | var offsetDirection = $childUl.css('left')!==undefined ? 'left' : 'right'; |
| | + | $childUl.css(offsetDirection,emWidth); |
| | + | }); |
| | + | }); |
| | + | |
| | + | }); |
| | + | }; |
| | + | // expose defaults |
| | + | $.fn.supersubs.defaults = { |
| | + | minWidth : 9, // requires em unit. |
| | + | maxWidth : 25, // requires em unit. |
| | + | extraWidth : 0 // extra width can ensure lines don't sometimes turn over due to slight browser differences in how they round-off values |
| | + | }; |
| | + | |
| | + | })(jQuery); // plugin code ends |
| | | | |
| | </script> | | </script> |
"
