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   *   Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  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
   *  with the License.  You may obtain a copy of the License at
   *
   *    https://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
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   *  specific language governing permissions and limitations
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   ****************************************************************/
  package org.apache.cayenne.modeler.editor;
  
  import java.awt.event.ComponentAdapter;
  import java.awt.event.ComponentEvent;
  
  import org.apache.cayenne.map.CallbackMap;
  import org.apache.cayenne.modeler.ProjectController;
  import org.apache.cayenne.modeler.event.EntityDisplayEvent;
  import org.apache.cayenne.modeler.event.ObjEntityDisplayListener;
  import org.apache.cayenne.modeler.pref.TableColumnPreferences;
  
  
  /**
   * Tab for editing callback methods on an ObjEntity
   *
   * @version 1.0 Oct 28, 2007
   */
  public class ObjEntityCallbackMethodsTab extends AbstractCallbackMethodsTab  {
  
      /**
       * constructor
       * @param mediator mediator instance
       */
      public ObjEntityCallbackMethodsTab(ProjectController mediator) {
          super(mediator);
      }
  
      /**
       * listeners initialization
       */
      protected void initController() {
          super.initController();
  
          addComponentListener(
                  new ComponentAdapter() {
                      public void componentShown(ComponentEvent e) {
                          rebuildTables();
                      }
                  }
          );
  
          mediator.addObjEntityDisplayListener(e -> {
              if (ObjEntityCallbackMethodsTab.this.isVisible()) {
                  rebuildTables();
              }
          });
      }
  
  
      /**
       * @return CallbackMap with callback methods
       */
      protected CallbackMap getCallbackMap() {
          if (mediator.getCurrentObjEntity() != null) {
              return mediator.getCurrentObjEntity().getCallbackMap();
          }
          return null;
      }
  
      @Override
      protected void initTablePreferences() {
          tablePreferences = new TableColumnPreferences(this.getClass(),"objEntity/callbackTable");
      }
  }
  
  