JohnMunsch/PaperQuik

// Generated by CoffeeScript 1.6.2
/*
Sticky Elements Shortcut for jQuery Waypoints - v2.0.5
Copyright (c) 2011-2014 Caleb Troughton
Licensed under the MIT license.
https://github.com/imakewebthings/jquery-waypoints/blob/master/licenses.txt
*/


(function() {
  (function(root, factory) {
    if (typeof define === 'function' && define.amd) {
      return define(['jquery', 'waypoints'], factory);
    } else {
      return factory(root.jQuery);
    }
  })(window, function($) {
    var defaults, wrap;

    defaults = {
      wrapper: '<div class="sticky-wrapper" />',
      stuckClass: 'stuck',
      direction: 'down right'
    };
    wrap = function($elements, options) {
      var $parent;

      $elements.wrap(options.wrapper);
      $parent = $elements.parent();
      return $parent.data('isWaypointStickyWrapper', true);
    };
    $.waypoints('extendFn', 'sticky', function(opt) {
      var $wrap, options, originalHandler;

      options = $.extend({}, $.fn.waypoint.defaults, defaults, opt);
      $wrap = wrap(this, options);
      originalHandler = options.handler;
      options.handler = function(direction) {
        var $sticky, shouldBeStuck;

        $sticky = $(this).children(':first');
        shouldBeStuck = options.direction.indexOf(direction) !== -1;
        $sticky.toggleClass(options.stuckClass, shouldBeStuck);
        $wrap.height(shouldBeStuck ? $sticky.outerHeight() : '');
        if (originalHandler != null) {
          return originalHandler.call(this, direction);
        }
      };
      $wrap.waypoint(options);
      return this.data('stuckClass', options.stuckClass);
    });
    return $.waypoints('extendFn', 'unsticky', function() {
      var $parent;

      $parent = this.parent();
      if (!$parent.data('isWaypointStickyWrapper')) {
        return this;
      }
      $parent.waypoint('destroy');
      this.unwrap();
      return this.removeClass(this.data('stuckClass'));
    });
  });

}).call(this);