"

From 2014.igem.org

/* FlexNav.js 1.3.3

Created by Jason Weaver http://jasonweaver.name Released under http://unlicense.org/

//

• /

(function() {

 var $;

 $ = jQuery;

 $.fn.flexNav = function(options) {
   var $nav, $top_nav_items, breakpoint, count, nav_percent, nav_width, resetMenu, resizer, settings, showMenu, toggle_selector, touch_selector;
   settings = $.extend({
     'animationSpeed': 250,
     'transitionOpacity': true,
     'buttonSelector': '.menu-button',
     'hoverIntent': false,
     'hoverIntentTimeout': 150,
     'calcItemWidths': false,
     'hover': true
   }, options);
   $nav = $(this);
   $nav.addClass('with-js');
   if (settings.transitionOpacity === true) {
     $nav.addClass('opacity');
   }
   $nav.find("li").each(function() {
     if ($(this).has("ul").length) {
       return $(this).addClass("item-with-ul").find("ul").hide();
     }
   });
   if (settings.calcItemWidths === true) {
     $top_nav_items = $nav.find('>li');
     count = $top_nav_items.length;
     nav_width = 100 / count;
     nav_percent = nav_width + "%";
   }
   if ($nav.data('breakpoint')) {
     breakpoint = $nav.data('breakpoint');
   }
   showMenu = function() {
     if ($nav.hasClass('lg-screen') === true && settings.hover === true) {
       if (settings.transitionOpacity === true) {
         return $(this).find('>ul').addClass('flexnav-show').stop(true, true).animate({
           height: ["toggle", "swing"],
           opacity: "toggle"
         }, settings.animationSpeed);
       } else {
         return $(this).find('>ul').addClass('flexnav-show').stop(true, true).animate({
           height: ["toggle", "swing"]
         }, settings.animationSpeed);
       }
     }
     flx = true;
   };
   resetMenu = function() {
     if ($nav.hasClass('lg-screen') === true && $(this).find('>ul').hasClass('flexnav-show') === true && settings.hover === true) {
       if (settings.transitionOpacity === true) {
         return $(this).find('>ul').removeClass('flexnav-show').stop(true, true).animate({
           height: ["toggle", "swing"],
           opacity: "toggle"
         }, settings.animationSpeed);
       } else {
         return $(this).find('>ul').removeClass('flexnav-show').stop(true, true).animate({
           height: ["toggle", "swing"]
         }, settings.animationSpeed);
       }
     }
   };
   resizer = function() {
     var selector;
     if ($(window).width() <= breakpoint) {
       $nav.removeClass("lg-screen").addClass("sm-screen");
       if (settings.calcItemWidths === true) {
         $top_nav_items.css('width', '100%');
       }
       selector = settings['buttonSelector'] + ', ' + settings['buttonSelector'] + ' .touch-button';
       $(selector).removeClass('active');
       return $('.one-page li a').on('click', function() {
         return $nav.removeClass('flexnav-show');
       });
     } else if ($(window).width() > breakpoint) {
       $nav.removeClass("sm-screen").addClass("lg-screen");
       if (settings.calcItemWidths === true) {
         $top_nav_items.css('width', nav_percent);
       }
       $nav.removeClass('flexnav-show').find('.item-with-ul').on();
       $('.item-with-ul').find('ul').removeClass('flexnav-show');
       resetMenu();
       if (settings.hoverIntent === true) {
         return $('.item-with-ul').hoverIntent({
           over: showMenu,
           out: resetMenu,
           timeout: settings.hoverIntentTimeout
         });
       } else if (settings.hoverIntent === false) {
         return $('.item-with-ul').on('mouseenter', showMenu).on('mouseleave', resetMenu);
       }
     }
   };
   $(settings['buttonSelector']).data('navEl', $nav);
   touch_selector = '.item-with-ul, ' + settings['buttonSelector'];
   $(touch_selector).append('▼');
   toggle_selector = settings['buttonSelector'] + ', ' + settings['buttonSelector'] + ' .touch-button';
   $(toggle_selector).on('click', function(e) {
     var $btnParent, $thisNav, bs;
     $(toggle_selector).toggleClass('active');
     e.preventDefault();
     e.stopPropagation();
     bs = settings['buttonSelector'];
     $btnParent = $(this).is(bs) ? $(this) : $(this).parent(bs);
     $thisNav = $btnParent.data('navEl');
     return $thisNav.toggleClass('flexnav-show');
   });
   $('.touch-button').on('click', function(e) {
     var $sub, $touchButton;
     $sub = $(this).parent('.item-with-ul').find('>ul');
     $touchButton = $(this).parent('.item-with-ul').find('>span.touch-button');
     if ($nav.hasClass('lg-screen') === true) {
       $(this).parent('.item-with-ul').siblings().find('ul.flexnav-show').removeClass('flexnav-show').hide();
     }
     if ($sub.hasClass('flexnav-show') === true) {
       $sub.removeClass('flexnav-show').slideUp(settings.animationSpeed);
       return $touchButton.removeClass('active');
     } else if ($sub.hasClass('flexnav-show') === false) {
       $sub.addClass('flexnav-show').slideDown(settings.animationSpeed);
       return $touchButton.addClass('active');
     }
   });
   $nav.find('.item-with-ul *').focus(function() {
     $(this).parent('.item-with-ul').parent().find(".open").not(this).removeClass("open").hide();
     return $(this).parent('.item-with-ul').find('>ul').addClass("open").show();
   });
   resizer();
   return $(window).on('resize', resizer);
 };

}).call(this);