(function ($) {

Drupal.behaviors.qt_accordion = {
  attach: function (context, settings) {
    var qt_options = Drupal.settings.quicktabs;
    var history_enabled = false;
    $('.quick-accordion', context).once(function(){
      var qtKey = 'qt_' + this.id.substring(this.id.indexOf('-') +1);
      var options = Drupal.settings.quicktabs[qtKey].options;
      if (options.history) {
        history_enabled = true;
      }
      var active_tab = parseInt(Drupal.settings.quicktabs[qtKey].active_tab);
      options.active = active_tab;
      options.event = 'change';
      $(this).accordion(options).addClass("init");
    });

    var accordions = $(".quick-accordion", context);
    var acc_selector = "h3 a";

    // Add href value to links.
    $(".accordion a").each(function(index, value) {
      var id = $(this).closest( '.quick-accordion' ).attr( 'id' );
      $(this).attr("href", "#" + id + "_" + index);
    });

    accordions.find( acc_selector ).click(function(event){
      // Keep the link from firing.
      event.preventDefault();

      var state = {},
        id = $(this).closest( '.quick-accordion' ).attr( 'id' ),
        idx = $(this).parent().prevAll('h3').length,
        el = id.split("quickset-");

      var key = 'qt_' + el[1];
      // Only fire if history is set.
      if (qt_options[key].history) {
        state[ id ] = idx;
        $.bbq.pushState( state );
      }
      else {
        $('#' + id).accordion('activate', idx);
      }
    });

    if (history_enabled) {
      $(window).bind( 'hashchange', function(e) {
        params = $.deparam.fragment();
        // Should only fire once when page loads.
        if (accordions.hasClass("init")) {
          for (var key in qt_options) {
            var name = 'quickset-' + qt_options[key].name,
              active_tab = parseInt(qt_options[key].active_tab);
            // If there is an active tab and the tab isn't already defined by a hash.
            if (active_tab > 0 && !params[name]) {
              $("#" + name).accordion('activate', active_tab);
            }
          }
          accordions.removeClass("init");
        }

        accordions.each(function(){
          var idx = e.getState( this.id, true );
          // Only activate tab if it has a hash.
          if (params[$(this).attr('id')]) {
            $(this).accordion('activate', idx);
          }
        });
      });

      $(window).trigger( 'hashchange' );
    }

  }
}

})(jQuery);
;