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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
   *  with the License.  You may obtain a copy of the License at
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   *    https://www.apache.org/licenses/LICENSE-2.0
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  package org.apache.cayenne.modeler.action;
  
  import org.apache.cayenne.configuration.DataChannelDescriptor;
  import org.apache.cayenne.dbsync.merge.context.EntityMergeSupport;
  import org.apache.cayenne.map.ObjEntity;
  import org.apache.cayenne.map.event.EntityEvent;
  import org.apache.cayenne.map.event.MapEvent;
  import org.apache.cayenne.modeler.Application;
  import org.apache.cayenne.modeler.ProjectController;
  import org.apache.cayenne.modeler.dialog.objentity.EntitySyncController;
  import org.apache.cayenne.modeler.event.EntityDisplayEvent;
  import org.apache.cayenne.modeler.util.CayenneAction;
  
  import javax.swing.*;
  import java.awt.*;
  import java.awt.event.ActionEvent;
  import java.awt.event.KeyEvent;
  
  /**
   * Action that synchronizes a given ObjEntity with the current state of the underlying
   * DbEntity.
   * 
   */
  public class ObjEntitySyncAction extends CayenneAction {
  
      public static String getActionName() {
          return "Sync ObjEntity with DbEntity";
      }
  
      public ObjEntitySyncAction(Application application) {
          super(getActionName(), application);
      }
  
      public String getIconName() {
          return "icon-sync.png";
      }
  
      public KeyStroke getAcceleratorKey() {
          return KeyStroke.getKeyStroke(KeyEvent.VK_U, Toolkit.getDefaultToolkit().getMenuShortcutKeyMaskEx());
      }
  
      /**
       * @see org.apache.cayenne.modeler.util.CayenneAction#performAction(ActionEvent)
       */
      public void performAction(ActionEvent e) {
          syncObjEntity();
      }
  
      protected void syncObjEntity() {
          ProjectController mediator = getProjectController();
          ObjEntity entity = mediator.getCurrentObjEntity();
  
          if (entity != null && entity.getDbEntity() != null) {
              EntityMergeSupport merger = new EntitySyncController(Application
                      .getInstance()
                      .getFrameController(), entity).createMerger();
  
              if (merger == null) {
                  return;
              }
  
              merger.setNameGenerator(new DbEntitySyncAction.PreserveRelationshipNameGenerator());
  
              if (merger.synchronizeWithDbEntity(entity)) {
                  mediator
                          .fireObjEntityEvent(new EntityEvent(this, entity, MapEvent.CHANGE));
                  mediator.fireObjEntityDisplayEvent(new EntityDisplayEvent(
                          this,
                          entity,
                          entity.getDataMap(),
                          (DataChannelDescriptor)mediator.getProject().getRootNode()));
              }
          }
      }
  }
  