expertiza/expertiza

/*
 * jQuery Superfish Menu Plugin
 * Copyright (c) 2013 Joel Birch
 *
 * Dual licensed under the MIT and GPL licenses:
 *    http://www.opensource.org/licenses/mit-license.php
 *    http://www.gnu.org/licenses/gpl.html
 */

jQuery(function() {
  return jQuery('ul.sf-menu').superfish();
});

(function ($) {
  "use strict";

  var methods = (function () {
    // private properties and methods go here
    var c = {
      bcClass: 'sf-breadcrumb',
      menuClass: 'sf-js-enabled',
      anchorClass: 'sf-with-ul',
      menuArrowClass: 'sf-arrows'
    },
      ios = (function () {
        var ios = /iPhone|iPad|iPod/i.test(navigator.userAgent);
        if (ios) {
          // iOS clicks only bubble as far as body children
          $(window).load(function () {
            $('body').children().on('click', $.noop);
          });
        }
        return ios;
      })(),
      wp7 = (function () {
        var style = document.documentElement.style;
        return ('behavior' in style && 'fill' in style && /iemobile/i.test(navigator.userAgent));
      })(),
      toggleMenuClasses = function ($menu, o) {
        var classes = c.menuClass;
        if (o.cssArrows) {
          classes += ' ' + c.menuArrowClass;
        }
        $menu.toggleClass(classes);
      },
      setPathToCurrent = function ($menu, o) {
        return $menu.find('li.' + o.pathClass).slice(0, o.pathLevels)
          .addClass(o.hoverClass + ' ' + c.bcClass)
          .filter(function () {
            return ($(this).children(o.popUpSelector).hide().show().length);
          }).removeClass(o.pathClass);
      },
      toggleAnchorClass = function ($li) {
        $li.children('a').toggleClass(c.anchorClass);
      },
      toggleTouchAction = function ($menu) {
        var touchAction = $menu.css('ms-touch-action');
        touchAction = (touchAction === 'pan-y') ? 'auto' : 'pan-y';
        $menu.css('ms-touch-action', touchAction);
      },
      applyHandlers = function ($menu, o) {
        var targets = 'li:has(' + o.popUpSelector + ')';
            if ($.fn.hoverIntent && !o.disableHI) {
              $menu.hoverIntent(over, out, targets);
            }
            else {
              $menu
          .on('mouseenter.superfish', targets, over)
          .on('mouseleave.superfish', targets, out);
            }
            var touchevent = 'MSPointerDown.superfish';
            if (!ios) {
              touchevent += ' touchend.superfish';
            }
            if (wp7) {
              touchevent += ' mousedown.superfish';
            }
            $menu
            .on('focusin.superfish', 'li', over)
            .on('focusout.superfish', 'li', out)
            .on(touchevent, 'a', o, touchHandler);
            },
      touchHandler = function (e) {
        var $this = $(this),
        $ul = $this.siblings(e.data.popUpSelector);

        if ($ul.length > 0 && $ul.is(':hidden')) {
          $this.one('click.superfish', false);
          if (e.type === 'MSPointerDown') {
            $this.trigger('focus');
          } else {
            $.proxy(over, $this.parent('li'))();
          }
        }
      },
      over = function () {
        var $this = $(this),
        o = getOptions($this);
        clearTimeout(o.sfTimer);
        $this.siblings().superfish('hide').end().superfish('show');
      },
      out = function () {
        var $this = $(this),
        o = getOptions($this);
        if (ios) {
          $.proxy(close, $this, o)();
        }
        else {
          clearTimeout(o.sfTimer);
          o.sfTimer = setTimeout($.proxy(close, $this, o), o.delay);
        }
      },
      close = function (o) {
        o.retainPath = ($.inArray(this[0], o.$path) > -1);
        this.superfish('hide');

        if (!this.parents('.' + o.hoverClass).length) {
          o.onIdle.call(getMenu(this));
          if (o.$path.length) {
            $.proxy(over, o.$path)();
          }
        }
      },
      getMenu = function ($el) {
        return $el.closest('.' + c.menuClass);
      },
      getOptions = function ($el) {
        return getMenu($el).data('sf-options');
      };

  return {
    // public methods
    hide: function (instant) {
      if (this.length) {
        var $this = this,
          o = getOptions($this);
        if (!o) {
          return this;
        }
        var not = (o.retainPath === true) ? o.$path : '',
            $ul = $this.find('li.' + o.hoverClass).add(this).not(not).removeClass(o.hoverClass).children(o.popUpSelector),
            speed = o.speedOut;

        if (instant) {
          $ul.show();
          speed = 0;
        }
        o.retainPath = false;
        o.onBeforeHide.call($ul);
        $ul.stop(true, true).animate(o.animationOut, speed, function () {
          var $this = $(this);
          o.onHide.call($this);
        });
      }
      return this;
    },
      show: function () {
        var o = getOptions(this);
        if (!o) {
          return this;
        }
        var $this = this.addClass(o.hoverClass),
            $ul = $this.children(o.popUpSelector);

        o.onBeforeShow.call($ul);
        $ul.stop(true, true).animate(o.animation, o.speed, function () {
          o.onShow.call($ul);
        });
        return this;
      },
      destroy: function () {
        return this.each(function () {
          var $this = $(this),
        o = $this.data('sf-options'),
        $hasPopUp;
        if (!o) {
          return false;
        }
        $hasPopUp = $this.find(o.popUpSelector).parent('li');
        clearTimeout(o.sfTimer);
        toggleMenuClasses($this, o);
        toggleAnchorClass($hasPopUp);
        toggleTouchAction($this);
        // remove event handlers
        $this.off('.superfish').off('.hoverIntent');
        // clear animation's inline display style
        $hasPopUp.children(o.popUpSelector).attr('style', function (i, style) {
          return style.replace(/display[^;]+;?/g, '');
        });
        // reset 'current' path classes
        o.$path.removeClass(o.hoverClass + ' ' + c.bcClass).addClass(o.pathClass);
        $this.find('.' + o.hoverClass).removeClass(o.hoverClass);
        o.onDestroy.call($this);
        $this.removeData('sf-options');
        });
      },
      init: function (op) {
        return this.each(function () {
          var $this = $(this);
          if ($this.data('sf-options')) {
            return false;
          }
          var o = $.extend({}, $.fn.superfish.defaults, op),
        $hasPopUp = $this.find(o.popUpSelector).parent('li');
        o.$path = setPathToCurrent($this, o);

        $this.data('sf-options', o);

        toggleMenuClasses($this, o);
        toggleAnchorClass($hasPopUp);
        toggleTouchAction($this);
        applyHandlers($this, o);

        $hasPopUp.not('.' + c.bcClass).superfish('hide', true);

        o.onInit.call(this);
        });
      }
  };
  })();

  $.fn.superfish = function (method, args) {
    if (methods[method]) {
      return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
    }
    else if (typeof method === 'object' || ! method) {
      return methods.init.apply(this, arguments);
    }
    else {
      return $.error('Method ' +  method + ' does not exist on jQuery.fn.superfish');
    }
  };

  $.fn.superfish.defaults = {
    popUpSelector: 'ul,.sf-mega', // within menu context
    hoverClass: 'sfHover',
    pathClass: 'overrideThisToUse',
    pathLevels: 1,
    delay: 800,
    animation: {opacity: 'show'},
    animationOut: {opacity: 'hide'},
    speed: 'normal',
    speedOut: 'fast',
    cssArrows: true,
    disableHI: false,
    onInit: $.noop,
    onBeforeShow: $.noop,
    onShow: $.noop,
    onBeforeHide: $.noop,
    onHide: $.noop,
    onIdle: $.noop,
    onDestroy: $.noop
  };

  // soon to be deprecated
  $.fn.extend({
    hideSuperfishUl: methods.hide,
    showSuperfishUl: methods.show
  });

})(jQuery);