content: /**
   * erlyberly, erlang trace debugger
   * Copyright (C) 2016 Andy Till
   *
   * 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 3 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, see <http://www.gnu.org/licenses/>.
   */
  package erlyberly;
  
  import java.io.IOException;
  import java.net.URL;
  
  import javafx.fxml.FXMLLoader;
  import javafx.scene.Parent;
  
  class FxmlLoadable {
      final String resource;
      Parent fxmlNode;
      Object controller;
  
      public FxmlLoadable(String aResource) {
          resource = aResource;
      }
  
      public Parent load() {
          if(fxmlNode != null)
              return fxmlNode;
  
          URL location = getClass().getResource(resource);
          FXMLLoader fxmlLoader = new FXMLLoader(location);
  
          try {
              fxmlNode = (Parent) fxmlLoader.load();
              controller = fxmlLoader.getController();
          } catch (IOException e) {
              throw new RuntimeException("Cannot load FXML", e);
          }
          return fxmlNode;
      }
  }
  