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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.action;
  
  import org.apache.cayenne.configuration.ConfigurationNode;
  import org.apache.cayenne.configuration.DataChannelDescriptor;
  import org.apache.cayenne.configuration.event.ProcedureParameterEvent;
  import org.apache.cayenne.dbsync.naming.NameBuilder;
  import org.apache.cayenne.map.Procedure;
  import org.apache.cayenne.map.ProcedureParameter;
  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.ProcedureParameterDisplayEvent;
  import org.apache.cayenne.modeler.util.CayenneAction;
  import org.apache.cayenne.modeler.undo.CreateProcedureParameterUndoableEdit;
  
  import java.awt.event.ActionEvent;
  
  public class CreateProcedureParameterAction extends CayenneAction {
  
      /**
       * Constructor for CreateProcedureParameterAction.
       */
      public CreateProcedureParameterAction(Application application) {
          super(getActionName(), application);
      }
  
      public static String getActionName() {
          return "Create Parameter";
      }
  
      /**
       * Fires events when an proc parameter was added
       */
      static void fireProcedureParameterEvent(Object src, ProjectController mediator, Procedure procedure,
                                              ProcedureParameter parameter) {
          mediator.fireProcedureParameterEvent(new ProcedureParameterEvent(src, parameter, MapEvent.ADD));
  
          mediator.fireProcedureParameterDisplayEvent(new ProcedureParameterDisplayEvent(src, parameter, procedure,
                  mediator.getCurrentDataMap(), (DataChannelDescriptor) mediator.getProject().getRootNode()));
      }
  
      @Override
      public String getIconName() {
          return "icon-plus.png";
      }
  
      /**
       * Creates ProcedureParameter depending on context.
       */
      @Override
      public void performAction(ActionEvent e) {
          ProjectController mediator = getProjectController();
  
          if (getProjectController().getCurrentProcedure() != null) {
              Procedure procedure = getProjectController().getCurrentProcedure();
              ProcedureParameter parameter = new ProcedureParameter();
              parameter.setName(NameBuilder.builder(parameter, procedure).name());
  
              createProcedureParameter(procedure, parameter);
  
              application.getUndoManager().addEdit(
                      new CreateProcedureParameterUndoableEdit(
                              (DataChannelDescriptor) mediator.getProject().getRootNode(), mediator.getCurrentDataMap(),
                              procedure, parameter
                      )
              );
          }
      }
  
      public void createProcedureParameter(Procedure procedure, ProcedureParameter parameter) {
          procedure.addCallParameter(parameter);
          ProjectController mediator = getProjectController();
          fireProcedureParameterEvent(this, mediator, procedure, parameter);
      }
  
      /**
       * Returns <code>true</code> if path contains a Procedure object.
       */
      public boolean enableForPath(ConfigurationNode object) {
          if (object == null) {
              return false;
          }
  
          return ((ProcedureParameter) object).getProcedure() != null;
      }
  }
  