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   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
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   *
   *    https://www.apache.org/licenses/LICENSE-2.0
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  package org.apache.cayenne.modeler.editor;
  
  import org.apache.cayenne.modeler.ProjectController;
  import org.apache.cayenne.modeler.editor.cgen.CgenController;
  import org.apache.cayenne.modeler.editor.cgen.domain.CgenTab;
  import org.apache.cayenne.modeler.editor.dbimport.DbImportView;
  import org.apache.cayenne.modeler.editor.dbimport.domain.DbImportTab;
  
  import javax.swing.JScrollPane;
  import javax.swing.JTabbedPane;
  
  /**
   * Data map editing tabs container
   *
   */
  public class DataMapTabbedView extends JTabbedPane {
  
      ProjectController mediator;
      private DbImportView dbImportView;
      private JScrollPane dbImportScrollPane;
      private CgenController cgenController;
      private JScrollPane cgenView;
  
      /**
       * constructor
       *
       * @param mediator mediator instance
       */
      public DataMapTabbedView(ProjectController mediator) {
          this.mediator = mediator;
          initView();
      }
  
      /**
       * create tabs
       */
      private void initView() {
        
          setTabPlacement(JTabbedPane.TOP);
  
          // add panels to tabs
          // note that those panels that have no internal scrollable tables
          // must be wrapped in a scroll pane
          JScrollPane dataMapScrollPane = new JScrollPane(new DataMapView(mediator));
          dbImportView = new DbImportView(mediator);
          dbImportScrollPane = new JScrollPane(dbImportView);
          cgenController = new CgenController(mediator);
          cgenView = new JScrollPane(cgenController.getView());
          addTab("DataMap", dataMapScrollPane);
          addTab("DB Import", dbImportScrollPane);
          addTab("Class Generation", cgenView);
  
          addChangeListener(tab -> {
              if(isCgenTabActive()) {
                  cgenController.initFromModel();
              } else if(isDbImportTabActive()) {
                  dbImportView.initFromModel();
              }
          });
          mediator.addDataMapDisplayListener(e -> {
              if(e.getSource() instanceof CgenTab) {
                  setSelectedComponent(cgenView);
              } else if(e.getSource() instanceof DbImportTab) {
                  setSelectedComponent(dbImportScrollPane);
              } else if(isCgenTabActive() || isDbImportTabActive()) {
                  fireStateChanged();
              }
          });
      }
  
      private boolean isCgenTabActive() {
          return getSelectedComponent() == cgenView;
      }
  
      private boolean isDbImportTabActive() {
          return getSelectedComponent() == dbImportScrollPane;
      }
  }
  
  