/**
 * jQuery.heightAlign - jQuery Plugin
 *
 * Under The MIT License
 * Copyright (c) 2011 Tetsuya MORI. (http://monry.jp/)
 * 
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Version: 1.0.0
 * Revision: $Rev$
 * Date: $Date$
 */
(
  function($) {
    $.heightAlign = {
      default_options: {
        cycle: false
      },
      current_index: 0
    };

    $.fn.heightAlign = function(options) {
      if ('number' == typeof options) {
        options = {
          cycle: options
        };
      }
      this._options = $.extend({}, $.heightAlign.default_options, options);
      this._height_list = [];
      $.heightAlign.current_index++;
      this.each(
        $.proxy(
          function(index, element) {
            var $element = $(element);
            if ('undefined' == typeof this._height_list[$.heightAlign.current_index]) {
              this._height_list[$.heightAlign.current_index] = 0;
            }
            if ($element.height() > this._height_list[$.heightAlign.current_index]) {
              this._height_list[$.heightAlign.current_index] = $element.height();
            }
            $element.attr('data-heightAlign-index', $.heightAlign.current_index);
            if (this._options.cycle && index % this._options.cycle == this._options.cycle - 1) {
              $.heightAlign.current_index++;
            }
          }
          , this
        )
      );
      $.each(
        this._height_list
        , function(index, height) {
          $('[data-heightAlign-index="' + index + '"]').height(height);
        }
      );
      return this;
    };
  }
)(jQuery);