/*
    * Tethys: GUI Utilities
    * Copyright 2012-2026. Tony Washer
    *
    * Licensed under the Apache License, Version 2.0 (the "License"); you may not
    * use this file except in compliance with the License.  You may obtain a copy
    * of the License at
    *
    *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
   * License for the specific language governing permissions and limitations under
   * the License.
   */
  package io.github.tonywasher.joceanus.tethys.swing.dialog;
  
  import io.github.tonywasher.joceanus.oceanus.logger.OceanusLogManager;
  import io.github.tonywasher.joceanus.oceanus.logger.OceanusLogger;
  import io.github.tonywasher.joceanus.tethys.core.dialog.TethysUICoreDirectorySelector;
  
  import javax.swing.JFileChooser;
  import java.awt.Component;
  import java.io.File;
  
  /**
   * Swing Directory Selector.
   */
  public class TethysUISwingDirectorySelector
          extends TethysUICoreDirectorySelector {
      /**
       * Logger.
       */
      private static final OceanusLogger LOGGER = OceanusLogManager.getLogger(TethysUISwingDirectorySelector.class);
  
      /**
       * Parent stage.
       */
      private final Component theParent;
  
      /**
       * Directory Chooser.
       */
      private final JFileChooser theChooser;
  
      /**
       * The selected directory.
       */
      private File theSelectedDir;
  
      /**
       * Constructor.
       *
       * @param pParent the parent
       */
      TethysUISwingDirectorySelector(final Component pParent) {
          if (pParent == null) {
              throw new IllegalArgumentException("Cannot create Dialog during initialisation");
          }
          theParent = pParent;
          theChooser = new JFileChooser();
          theChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
      }
  
      /**
       * select the file.
       */
      public void showDialog() {
          /* Initialise selection */
          theSelectedDir = null;
  
          /* Set values */
          theChooser.setDialogTitle(getTitle());
          theChooser.setCurrentDirectory(getInitialDirectory());
  
          /* Show the dialog */
          final int myResult = theChooser.showOpenDialog(theParent);
  
          /* If we selected a directory */
          if (myResult == JFileChooser.APPROVE_OPTION) {
              theSelectedDir = theChooser.getSelectedFile();
          }
      }
  
      @Override
      public File selectDirectory() {
          TethysUISwingDialog.runInSwingThread(this::showDialog);
          return theSelectedDir;
      }
  }