Exploding

(function($) {

  $.fn.menumaker = function(options) {
      
      var cssmenu = $(this), settings = $.extend({
        title: "Menu",
        format: "dropdown",
        sticky: false
      }, options);

      return this.each(function() {
        cssmenu.prepend('<div id="menu-button">' + settings.title + '</div>');
        $(this).find("#menu-button").on('click', function(){
          $(this).toggleClass('menu-opened');
          var mainmenu = $(this).next('ul');
          if (mainmenu.hasClass('open')) { 
            mainmenu.hide().removeClass('open');
          }
          else {
            mainmenu.show().addClass('open');
            if (settings.format === "dropdown") {
              mainmenu.find('ul').show();
            }
          }
        });

        cssmenu.find('li ul').parent().addClass('parent');

        multiTg = function() {
          cssmenu.find(".parent").prepend('<span class="submenu-button"></span>');
          cssmenu.find('.submenu-button').on('click', function() {
            $(this).toggleClass('submenu-opened');
            if ($(this).siblings('ul').hasClass('open')) {
              $(this).siblings('ul').removeClass('open').hide();
            }
            else {
              $(this).siblings('ul').addClass('open').show();
            }
          });
        };

        if (settings.format === 'multitoggle') multiTg();
        else cssmenu.addClass('dropdown');

        if (settings.sticky === true) cssmenu.css('position', 'fixed');

        resizeFix = function() {
          if ($( window ).width() > 768) {
            cssmenu.find('ul').show();
          }

          if ($(window).width() <= 768) {
            cssmenu.find('ul').hide().removeClass('open');
          }
        };
        resizeFix();
        return $(window).on('resize', resizeFix);

      });
  };
})($);



$(document).ready(function() {
	$("#hmenu").menumaker({
		title: "Menu",
		format: "multitoggle"
	});

	$("#hmenu").prepend("<div id='menu-line'></div>");

	var foundActive = false, activeElement, linePosition = 0, menuLine = $("#hmenu #menu-line"), lineWidth, defaultPosition, defaultWidth;

	$("#hmenu > ul > li").each(function() {
		if ($(this).hasClass('active')) {
			activeElement = $(this);
			foundActive = true;
		}
	});

	if (foundActive === false) {
		activeElement = $("#hmenu > ul > li").first();
	}

	defaultWidth = lineWidth = activeElement.width();

	defaultPosition = linePosition = activeElement.position().left;

	menuLine.css("width", lineWidth);
	menuLine.css("left", linePosition);

	$("#hmenu > ul > li").hover(function() {
		activeElement = $(this);
		lineWidth = activeElement.width();
		linePosition = activeElement.position().left;
		menuLine.css("width", lineWidth);
		menuLine.css("left", linePosition);
	}, 
	function() {
		menuLine.css("left", defaultPosition);
		menuLine.css("width", defaultWidth);
	});

});