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   *  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
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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.ConfigurationNode;
  import org.apache.cayenne.configuration.DataChannelDescriptor;
  import org.apache.cayenne.dbsync.naming.NameBuilder;
  import org.apache.cayenne.map.DataMap;
  import org.apache.cayenne.map.DbEntity;
  import org.apache.cayenne.map.Entity;
  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.event.EntityDisplayEvent;
  import org.apache.cayenne.modeler.undo.CreateDbEntityUndoableEdit;
  import org.apache.cayenne.modeler.util.CayenneAction;
  
  import java.awt.event.ActionEvent;
  
  public class CreateDbEntityAction extends CayenneAction {
  
      /**
       * Constructor for CreateDbEntityAction.
       */
      public CreateDbEntityAction(Application application) {
          super(getActionName(), application);
      }
  
      public static String getActionName() {
          return "Create DbEntity";
      }
  
      /**
       * Fires events when a db entity was added
       */
      static void fireDbEntityEvent(Object src, ProjectController mediator, DbEntity entity) {
          mediator.fireDbEntityEvent(new EntityEvent(src, entity, MapEvent.ADD));
          EntityDisplayEvent displayEvent = new EntityDisplayEvent(src, entity, mediator.getCurrentDataMap(),
                  mediator.getCurrentDataNode(), (DataChannelDescriptor) mediator.getProject().getRootNode());
          displayEvent.setMainTabFocus(true);
          mediator.fireDbEntityDisplayEvent(displayEvent);
      }
  
      public String getIconName() {
          return "icon-dbentity.png";
      }
  
      /**
       * Creates new DbEntity, adds it to the current DataMap, fires DbEntityEvent and DbEntityDisplayEvent.
       */
      public void performAction(ActionEvent e) {
          ProjectController mediator = getProjectController();
  
          DataMap map = mediator.getCurrentDataMap();
          DbEntity entity = new DbEntity();
          entity.setName(NameBuilder.builder(entity, map).name());
          createEntity(map, entity);
  
          application.getUndoManager().addEdit(new CreateDbEntityUndoableEdit(map, entity));
      }
  
      /**
       * Constructs and returns a new DbEntity. Entity returned is added to the
       * DataMap.
       */
      public void createEntity(DataMap map, DbEntity entity) {
          ProjectController mediator = getProjectController();
          entity.setCatalog(map.getDefaultCatalog());
          entity.setSchema(map.getDefaultSchema());
          map.addDbEntity(entity);
          fireDbEntityEvent(this, mediator, entity);
      }
  
      /**
       * Returns <code>true</code> if path contains a DataMap object.
       */
      public boolean enableForPath(ConfigurationNode object) {
          if (object == null) {
              return false;
          }
  
          return ((Entity<?,?,?>) object).getDataMap() != null;
      }
  }
  