(function ($) {

/**
 * Attaches sticky table headers.
 */
Drupal.behaviors.tableHeader = {
  attach: function (context, settings) {
    if (!$.support.positionFixed) {
      return;
    }

    $('table.sticky-enabled', context).once('tableheader', function () {
      $(this).data("drupal-tableheader", new Drupal.tableHeader(this));
    });
  }
};

/**
 * Constructor for the tableHeader object. Provides sticky table headers.
 *
 * @param table
 *   DOM object for the table to add a sticky header to.
 */
Drupal.tableHeader = function (table) {
  var self = this;

  this.originalTable = $(table);
  this.originalHeader = $(table).children('thead');
  this.originalHeaderCells = this.originalHeader.find('> tr > th');
  this.displayWeight = null;

  // React to columns change to avoid making checks in the scroll callback.
  this.originalTable.bind('columnschange', function (e, display) {
    // This will force header size to be calculated on scroll.
    self.widthCalculated = (self.displayWeight !== null && self.displayWeight === display);
    self.displayWeight = display;
  });

  // Clone the table header so it inherits original jQuery properties. Hide
  // the table to avoid a flash of the header clone upon page load.
  this.stickyTable = $('<table class="sticky-header"/>')
    .insertBefore(this.originalTable)
    .css({ position: 'fixed', top: '0px' });
  this.stickyHeader = this.originalHeader.clone(true)
    .hide()
    .appendTo(this.stickyTable);
  this.stickyHeaderCells = this.stickyHeader.find('> tr > th');

  this.originalTable.addClass('sticky-table');
  $(window)
    .bind('scroll.drupal-tableheader', $.proxy(this, 'eventhandlerRecalculateStickyHeader'))
    .bind('resize.drupal-tableheader', { calculateWidth: true }, $.proxy(this, 'eventhandlerRecalculateStickyHeader'))
    // Make sure the anchor being scrolled into view is not hidden beneath the
    // sticky table header. Adjust the scrollTop if it does.
    .bind('drupalDisplaceAnchor.drupal-tableheader', function () {
      window.scrollBy(0, -self.stickyTable.outerHeight());
    })
    // Make sure the element being focused is not hidden beneath the sticky
    // table header. Adjust the scrollTop if it does.
    .bind('drupalDisplaceFocus.drupal-tableheader', function (event) {
      if (self.stickyVisible && event.clientY < (self.stickyOffsetTop + self.stickyTable.outerHeight()) && event.$target.closest('sticky-header').length === 0) {
        window.scrollBy(0, -self.stickyTable.outerHeight());
      }
    })
    .triggerHandler('resize.drupal-tableheader');

  // We hid the header to avoid it showing up erroneously on page load;
  // we need to unhide it now so that it will show up when expected.
  this.stickyHeader.show();
};

/**
 * Event handler: recalculates position of the sticky table header.
 *
 * @param event
 *   Event being triggered.
 */
Drupal.tableHeader.prototype.eventhandlerRecalculateStickyHeader = function (event) {
  var self = this;
  var calculateWidth = event.data && event.data.calculateWidth;

  // Reset top position of sticky table headers to the current top offset.
  this.stickyOffsetTop = Drupal.settings.tableHeaderOffset ? eval(Drupal.settings.tableHeaderOffset + '()') : 0;
  this.stickyTable.css('top', this.stickyOffsetTop + 'px');

  // Save positioning data.
  var viewHeight = document.documentElement.scrollHeight || document.body.scrollHeight;
  if (calculateWidth || this.viewHeight !== viewHeight) {
    this.viewHeight = viewHeight;
    this.vPosition = this.originalTable.offset().top - 4 - this.stickyOffsetTop;
    this.hPosition = this.originalTable.offset().left;
    this.vLength = this.originalTable[0].clientHeight - 100;
    calculateWidth = true;
  }

  // Track horizontal positioning relative to the viewport and set visibility.
  var hScroll = document.documentElement.scrollLeft || document.body.scrollLeft;
  var vOffset = (document.documentElement.scrollTop || document.body.scrollTop) - this.vPosition;
  this.stickyVisible = vOffset > 0 && vOffset < this.vLength;
  this.stickyTable.css({ left: (-hScroll + this.hPosition) + 'px', visibility: this.stickyVisible ? 'visible' : 'hidden' });

  // Only perform expensive calculations if the sticky header is actually
  // visible or when forced.
  if (this.stickyVisible && (calculateWidth || !this.widthCalculated)) {
    this.widthCalculated = true;
    var $that = null;
    var $stickyCell = null;
    var display = null;
    var cellWidth = null;
    // Resize header and its cell widths.
    // Only apply width to visible table cells. This prevents the header from
    // displaying incorrectly when the sticky header is no longer visible.
    for (var i = 0, il = this.originalHeaderCells.length; i < il; i += 1) {
      $that = $(this.originalHeaderCells[i]);
      $stickyCell = this.stickyHeaderCells.eq($that.index());
      display = $that.css('display');
      if (display !== 'none') {
        cellWidth = $that.css('width');
        // Exception for IE7.
        if (cellWidth === 'auto') {
          cellWidth = $that[0].clientWidth + 'px';
        }
        $stickyCell.css({'width': cellWidth, 'display': display});
      }
      else {
        $stickyCell.css('display', 'none');
      }
    }
    this.stickyTable.css('width', this.originalTable.outerWidth());
  }
};

})(jQuery);
;
(function ($) {

Drupal.googleanalytics = {};

$(document).ready(function() {

  // Attach mousedown, keyup, touchstart events to document only and catch
  // clicks on all elements.
  $(document.body).bind("mousedown keyup touchstart", function(event) {

    // Catch the closest surrounding link of a clicked element.
    $(event.target).closest("a,area").each(function() {

      // Is the clicked URL internal?
      if (Drupal.googleanalytics.isInternal(this.href)) {
        // Skip 'click' tracking, if custom tracking events are bound.
        if ($(this).is('.colorbox') && (Drupal.settings.googleanalytics.trackColorbox)) {
          // Do nothing here. The custom event will handle all tracking.
          //console.info("Click on .colorbox item has been detected.");
        }
        // Is download tracking activated and the file extension configured for download tracking?
        else if (Drupal.settings.googleanalytics.trackDownload && Drupal.googleanalytics.isDownload(this.href)) {
          // Download link clicked.
          ga("send", {
            "hitType": "event",
            "eventCategory": "Downloads",
            "eventAction": Drupal.googleanalytics.getDownloadExtension(this.href).toUpperCase(),
            "eventLabel": Drupal.googleanalytics.getPageUrl(this.href),
            "transport": "beacon"
          });
        }
        else if (Drupal.googleanalytics.isInternalSpecial(this.href)) {
          // Keep the internal URL for Google Analytics website overlay intact.
          ga("send", {
            "hitType": "pageview",
            "page": Drupal.googleanalytics.getPageUrl(this.href),
            "transport": "beacon"
          });
        }
      }
      else {
        if (Drupal.settings.googleanalytics.trackMailto && $(this).is("a[href^='mailto:'],area[href^='mailto:']")) {
          // Mailto link clicked.
          ga("send", {
            "hitType": "event",
            "eventCategory": "Mails",
            "eventAction": "Click",
            "eventLabel": this.href.substring(7),
            "transport": "beacon"
          });
        }
        else if (Drupal.settings.googleanalytics.trackOutbound && this.href.match(/^\w+:\/\//i)) {
          if (Drupal.settings.googleanalytics.trackDomainMode !== 2 || (Drupal.settings.googleanalytics.trackDomainMode === 2 && !Drupal.googleanalytics.isCrossDomain(this.hostname, Drupal.settings.googleanalytics.trackCrossDomains))) {
            // External link clicked / No top-level cross domain clicked.
            ga("send", {
              "hitType": "event",
              "eventCategory": "Outbound links",
              "eventAction": "Click",
              "eventLabel": this.href,
              "transport": "beacon"
            });
          }
        }
      }
    });
  });

  // Track hash changes as unique pageviews, if this option has been enabled.
  if (Drupal.settings.googleanalytics.trackUrlFragments) {
    window.onhashchange = function() {
      ga("send", {
        "hitType": "pageview",
        "page": location.pathname + location.search + location.hash
      });
    };
  }

  // Colorbox: This event triggers when the transition has completed and the
  // newly loaded content has been revealed.
  if (Drupal.settings.googleanalytics.trackColorbox) {
    $(document).bind("cbox_complete", function () {
      var href = $.colorbox.element().attr("href");
      if (href) {
        ga("send", {
          "hitType": "pageview",
          "page": Drupal.googleanalytics.getPageUrl(href)
        });
      }
    });
  }

});

/**
 * Check whether the hostname is part of the cross domains or not.
 *
 * @param string hostname
 *   The hostname of the clicked URL.
 * @param array crossDomains
 *   All cross domain hostnames as JS array.
 *
 * @return boolean
 */
Drupal.googleanalytics.isCrossDomain = function (hostname, crossDomains) {
  /**
   * jQuery < 1.6.3 bug: $.inArray crushes IE6 and Chrome if second argument is
   * `null` or `undefined`, http://bugs.jquery.com/ticket/10076,
   * https://github.com/jquery/jquery/commit/a839af034db2bd934e4d4fa6758a3fed8de74174
   *
   * @todo: Remove/Refactor in D8
   */
  if (!crossDomains) {
    return false;
  }
  else {
    return $.inArray(hostname, crossDomains) > -1 ? true : false;
  }
};

/**
 * Check whether this is a download URL or not.
 *
 * @param string url
 *   The web url to check.
 *
 * @return boolean
 */
Drupal.googleanalytics.isDownload = function (url) {
  var isDownload = new RegExp("\\.(" + Drupal.settings.googleanalytics.trackDownloadExtensions + ")([\?#].*)?$", "i");
  return isDownload.test(url);
};

/**
 * Check whether this is an absolute internal URL or not.
 *
 * @param string url
 *   The web url to check.
 *
 * @return boolean
 */
Drupal.googleanalytics.isInternal = function (url) {
  var isInternal = new RegExp("^(https?):\/\/" + window.location.host, "i");
  return isInternal.test(url);
};

/**
 * Check whether this is a special URL or not.
 *
 * URL types:
 *  - gotwo.module /go/* links.
 *
 * @param string url
 *   The web url to check.
 *
 * @return boolean
 */
Drupal.googleanalytics.isInternalSpecial = function (url) {
  var isInternalSpecial = new RegExp("(\/go\/.*)$", "i");
  return isInternalSpecial.test(url);
};

/**
 * Extract the relative internal URL from an absolute internal URL.
 *
 * Examples:
 * - http://mydomain.com/node/1 -> /node/1
 * - http://example.com/foo/bar -> http://example.com/foo/bar
 *
 * @param string url
 *   The web url to check.
 *
 * @return string
 *   Internal website URL
 */
Drupal.googleanalytics.getPageUrl = function (url) {
  var extractInternalUrl = new RegExp("^(https?):\/\/" + window.location.host, "i");
  return url.replace(extractInternalUrl, '');
};

/**
 * Extract the download file extension from the URL.
 *
 * @param string url
 *   The web url to check.
 *
 * @return string
 *   The file extension of the passed url. e.g. "zip", "txt"
 */
Drupal.googleanalytics.getDownloadExtension = function (url) {
  var extractDownloadextension = new RegExp("\\.(" + Drupal.settings.googleanalytics.trackDownloadExtensions + ")([\?#].*)?$", "i");
  var extension = extractDownloadextension.exec(url);
  return (extension === null) ? '' : extension[1];
};

})(jQuery);
;