+++ /dev/null
-/*
- * Supposition v0.2 - an optional enhancer for Superfish jQuery menu widget.
- *
- * Copyright (c) 2008 Joel Birch - based mostly on work by Jesse Klaasse and credit goes largely to him.
- * Special thanks to Karl Swedberg for valuable input.
- *
- * Dual licensed under the MIT and GPL licenses:
- * http://www.opensource.org/licenses/mit-license.php
- * http://www.gnu.org/licenses/gpl.html
- */
-/*
- * This is not the original jQuery Supposition plugin.
- * Please refer to the README for more information.
- */
-
-(function($){
- $.fn.supposition = function(){
- var $w = $(window), /*do this once instead of every onBeforeShow call*/
- _offset = function(dir) {
- return window[dir == 'y' ? 'pageYOffset' : 'pageXOffset']
- || document.documentElement && document.documentElement[dir=='y' ? 'scrollTop' : 'scrollLeft']
- || document.body[dir=='y' ? 'scrollTop' : 'scrollLeft'];
- },
- onHide = function(){
- this.css({bottom:''});
- },
- onBeforeShow = function(){
- this.each(function(){
- var $u = $(this);
- $u.css('display','block');
- var $mul = $u.closest('.sf-menu'),
- level = $u.parents('ul').length,
- menuWidth = $u.width(),
- menuParentWidth = $u.closest('li').outerWidth(true),
- menuParentLeft = $u.closest('li').offset().left,
- totalRight = $w.width() + _offset('x'),
- menuRight = $u.offset().left + menuWidth,
- exactMenuWidth = (menuRight > (menuParentWidth + menuParentLeft)) ? menuWidth - (menuRight - (menuParentWidth + menuParentLeft)) : menuWidth;
- if ($u.parents('.sf-js-enabled').hasClass('rtl')) {
- if (menuParentLeft < exactMenuWidth) {
- if (($mul.hasClass('sf-horizontal') && level == 1) || ($mul.hasClass('sf-navbar') && level == 2)){
- $u.css({left:0,right:'auto'});
- }
- else {
- $u.css({left:menuParentWidth + 'px',right:'auto'});
- }
- }
- }
- else {
- if (menuRight > totalRight && menuParentLeft > menuWidth) {
- if (($mul.hasClass('sf-horizontal') && level == 1) || ($mul.hasClass('sf-navbar') && level == 2)){
- $u.css({right:0,left:'auto'});
- }
- else {
- $u.css({right:menuParentWidth + 'px',left:'auto'});
- }
- }
- }
- var windowHeight = $w.height(),
- offsetTop = $u.offset().top,
- menuParentShadow = ($mul.hasClass('sf-shadow') && $u.css('padding-bottom').length > 0) ? parseInt($u.css('padding-bottom').slice(0,-2)) : 0,
- menuParentHeight = ($mul.hasClass('sf-vertical')) ? '-' + menuParentShadow : $u.parent().outerHeight(true) - menuParentShadow,
- menuHeight = $u.height(),
- baseline = windowHeight + _offset('y');
- var expandUp = ((offsetTop + menuHeight > baseline) && (offsetTop > menuHeight));
- if (expandUp) {
- $u.css({bottom:menuParentHeight + 'px',top:'auto'});
- }
- $u.css('display','none');
- });
- };
-
- return this.each(function() {
- var o = $.fn.superfish.o[this.serial]; /* get this menu's options */
-
- /* if callbacks already set, store them */
- var _onBeforeShow = o.onBeforeShow,
- _onHide = o.onHide;
-
- $.extend($.fn.superfish.o[this.serial],{
- onBeforeShow: function() {
- onBeforeShow.call(this); /* fire our Supposition callback */
- _onBeforeShow.call(this); /* fire stored callbacks */
- },
- onHide: function() {
- onHide.call(this); /* fire our Supposition callback */
- _onHide.call(this); /* fire stored callbacks */
- }
- });
- });
- };
-})(jQuery);
\ No newline at end of file