Team:SDU-Denmark/navbar/jquery

$(document).ready(function () {

   $(document).on("scroll", onScroll);
   
   $('.tab-content a[href*="#"]').on('click', function (e) {
       e.preventDefault();
       $(document).off("scroll");
       
       $('a').each(function () {
           $(this).removeClass('active');
       });
       $(this).addClass('active');
     
       var target = this.hash,
         $target = $(target);
       $('html, body').stop().animate({
           'scrollTop': $target.offset().top+2
       }, 500, 'swing', function () {
           window.location.hash = target;
           $(document).on("scroll", onScroll);
       });
   });

 $(document).on("scroll", onScroll);
   function onScroll(event){
     var scrollPos = $(document).scrollTop();
     $('.tab-content a').each(function () {
       var currLink = $(this);
       var refElement = $(currLink.attr("href"));
       if (refElement.position().top <= scrollPos && refElement.position().top + refElement.height() > scrollPos) {
         $('.tab-content a').removeClass("active");
         currLink.addClass("active");    
       }
       else{
         currLink.removeClass("active");
       }

 function activateElement(element,menuElement){
   $('#menu1').removeClass("in");
   $('#menu1').removeClass("active");
           
   $('#menu2').removeClass("active");
   $('#menu2').removeClass("in");

   $('#menu3').removeClass("active");
   $('#menu3').removeClass("in");

   $('#menu4').removeClass("active");
   $('#menu4').removeClass("in");

   $('#menu5').removeClass("active");
   $('#menu5').removeClass("in");

   $('#menu6').removeClass("active");
   $('#menu6').removeClass("in");

   $('#navbarIntroduction').removeClass("active");
   $('#navbarPresentation').removeClass("active");
   $('#navbarProject').removeClass("active");
   $('#navbarProcedures').removeClass("active");
   $('#navbarPractices').removeClass("active");
   $('#navbarProspects').removeClass("active");
             
             
   element.addClass("active");
   element.addClass("in");
   menuElement.addClass("active");
   }
           
   if((currLink.attr('href') === "#presentation"  || currLink.attr('href') === "#team"  || currLink.attr('href') === "#attributions"  || currLink.attr('href') === "#collaborations"  || currLink.attr('href') === "#achievements") && !$('#menu1').hasClass("active")){
     activateElement($('#menu1'),$('#navbarPresentation'));
   } 
   else if ((currLink.attr('href') === "#introduction" || currLink.attr('href') === "#description"  || currLink.attr('href') === "#outreach") && !$('#menu2').hasClass("active")){
       activateElement($('#menu2'),$('#navbarIntroduction'));
   }
     });
   }

});