//-- copyright
// OpenProject is a project management system.
// Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License version 3.
//
// OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
// Copyright (C) 2006-2013 Jean-Philippe Lang
// Copyright (C) 2010-2013 the ChiliProject Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
// See doc/COPYRIGHT.rdoc for more details.
//++

(function ($) {
  var applicable,
      register_change_wp_by_status,
      handle_change_wp_by_status,
      init;

  applicable = function () {
    return $('body.controller-versions.action-show').length === 1;
  };

  init = function () {
    register_change_wp_by_status();
  };

  register_change_wp_by_status = function () {
    $('#status_by_select').change(function () {
      handle_change_wp_by_status();

      return false;
    });
  };

  handle_change_wp_by_status = function () {
    var form = $('#status_by_form'),
        url = form.attr('action'),
        data = form.serialize();

    $.ajax({ url: url,
             headers: { Accept: 'text/javascript' },
             data: data,
             complete: function (jqXHR) {
                          form.replaceWith(jqXHR.responseText);
                          register_change_wp_by_status();
                        }
               });
  };

  $('document').ready(function () {
    if (applicable()) {
      init();
    }
  });
})(jQuery);