$(function() {
  $('.component-demos .icon-all').on('click', function() {
    if ($(this).hasClass('expand')) {
      $(this).removeClass('expand');
      $('.code-box').find('.highlight').slideUp();
    } else {
      $(this).addClass('expand');
      $('.code-box').find('.highlight').slideDown();
    }
  });

  $('.code-box').each(function(i, item) {
    item = $(item);
    item.find('.highlight').appendTo(item);
  });

  $('.code-boxes').on('click', '.collapse', function() {
    slideToggleCode($(this).parent().parent());
  });

  function slideToggleCode(item) {
    $(item).find('.highlight').slideToggle();
  }

  var navFunc={
    navStrArr: [],
    init:function (){
      var self=this;
      self.navBox = $(".nav");
      self.navBar = self.navBox.find(".bar");
      self.navList = self.navBox.find("ul li");
      self.navNum=$(".current").index();
      self.search($(".search"));
      self.navBarAnim();
      self.navResize(null);
      $(window).bind("resize", self.navResize);
    },
    navResize: function (e) {
      var self = navFunc;
      self.navBar.css("left", self.navList.width() * self.navNum);

      self.navList.eq(self.navNum).find("a").addClass("hover");
    },
    search: function (c) {
      var self = this;
      self.searchBox = c;
      self.searchInput = self.searchBox.find("input[type='text']");
      self.searchBtn = self.searchBox.find("button");
      self.searchInput.focus(function (e) {
        $(this).addClass("focus");
        self.searchBtn.css("left", self.searchBox.width() + 13);
      });
      self.searchInput.blur(function (e) {
        if (!self.searchInput.val()) {
          self.searchBtn.attr("style", "");
          $(this).removeClass("focus");
        }
      });
      self.searchBtn.click(function (e) {
        self.searchBox.find("form").submit();
      });
    },
    navBarAnim: function () {
      var self = this,delay;
      function startBarAnim(num) {
        self.navBar.css("left", self.navList.width() * num);
        self.navList.eq(num).find("a").addClass("hover");
      }
      self.navList.bind("mouseenter", function (e) {
        clearTimeout(delay);
        var m = e.currentTarget;
        self.navList.find("a").removeClass("hover");
        self.navBar.addClass("barAnim").css("left", $(m).width() * $(m).index());
      });
      self.navList.bind("mouseleave", function (e) {
        delay = setTimeout(function () {
          startBarAnim(self.navNum);
        }, 500);
      });
    }
  };
  navFunc.init();
});