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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
   *
   *    https://www.apache.org/licenses/LICENSE-2.0
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  package org.apache.cayenne.modeler.graph.action;
  
  import java.awt.event.ActionEvent;
  
  import org.apache.cayenne.configuration.ConfigurationNode;
  import org.apache.cayenne.configuration.DataChannelDescriptor;
  import org.apache.cayenne.map.Entity;
  import org.apache.cayenne.modeler.Application;
  import org.apache.cayenne.modeler.CayenneModelerFrame;
  import org.apache.cayenne.modeler.ProjectController;
  import org.apache.cayenne.modeler.editor.EditorView;
  import org.apache.cayenne.modeler.event.DomainDisplayEvent;
  import org.apache.cayenne.modeler.event.EntityDisplayEvent;
  import org.apache.cayenne.modeler.util.CayenneAction;
  
  /**
   * Action that shows entity on the graph
   */
  public class ShowGraphEntityAction extends CayenneAction {
  
      public static String getActionName() {
          return "ShowGraphEntity";
      }
  
      public ShowGraphEntityAction(Application application) {
          super(getActionName(), application, "Show on Graph");
          setEnabled(true);
      }
  
      @Override
      public String getIconName() {
          return "icon-save-as-image.png";
      }
  
      @Override
      public void performAction(ActionEvent e) {
          Entity<?,?,?> entity = null;
  
          ProjectController mediator = getProjectController();
          if (mediator.getCurrentDbEntity() != null) {
              entity = mediator.getCurrentDbEntity();
          } else if (mediator.getCurrentObjEntity() != null) {
              entity = mediator.getCurrentObjEntity();
          }
  
          if (entity != null) {
              showEntity(entity);
          }
      }
  
      @Override
      public boolean enableForPath(ConfigurationNode object) {
          return object instanceof Entity;
      }
  
      void showEntity(Entity<?,?,?> entity) {
          // we're always in same domain
          EditorView editor = ((CayenneModelerFrame) Application
                  .getInstance()
                  .getFrameController()
                  .getView()).getView();
  
          editor.getProjectTreeView().getSelectionModel().setSelectionPath(
                  editor
                          .getProjectTreeView()
                          .getSelectionPath()
                          .getParentPath()
                          .getParentPath());
          DomainDisplayEvent event = new EntityDisplayEvent(
                  editor.getProjectTreeView(),
                  entity,
                  entity.getDataMap(),
                  (DataChannelDescriptor) getProjectController().getProject().getRootNode());
          getProjectController().fireDomainDisplayEvent(event);
      }
  }
  