openproject/frontend/app/components/common/remote/remote-field-updater.directive.ts

// -- 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.
// ++

import {wpDirectivesModule} from "../../../angular-modules";

function remoteFieldUpdater($http) {
  return {
    restrict: 'E',
    scope: {
      requestKey: '@',
      url: '@'
    },
    link: (scope, element) => {
      const input = element.find('.remote-field--input');
      const target = element.find('.remote-field--target');

      function updater() {
        const request = {};
        request[scope.requestKey] = input.val();

        $http.get(scope.url, {
          params: request,
          headers: {
            "Accept": "text/html"
          }
        }).then(response => {
          target.html(response.data);
        });
      }

      input.on('keyup', _.throttle(updater, 250));
    }
  };
}

wpDirectivesModule.directive('remoteFieldUpdater', remoteFieldUpdater);