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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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  package org.apache.cayenne.modeler.util.state;
  
  import org.apache.cayenne.configuration.DataChannelDescriptor;
  import org.apache.cayenne.map.DataMap;
  import org.apache.cayenne.map.Procedure;
  import org.apache.cayenne.map.ProcedureParameter;
  import org.apache.cayenne.modeler.ProjectController;
  import org.apache.cayenne.modeler.event.ProcedureDisplayEvent;
  import org.apache.cayenne.modeler.event.ProcedureParameterDisplayEvent;
  
  import java.util.ArrayList;
  import java.util.List;
  
  class ProcedureParameterDisplayEventType extends ProcedureDisplayEventType {
  
      public ProcedureParameterDisplayEventType(ProjectController controller) {
          super(controller);
      }
  
      @Override
      public void fireLastDisplayEvent() {
          DataChannelDescriptor dataChannel = (DataChannelDescriptor) controller.getProject().getRootNode();
          if (!dataChannel.getName().equals(preferences.getDomain())) {
              return;
          }
  
          DataMap dataMap = dataChannel.getDataMap(preferences.getDataMap());
          if (dataMap == null) {
              return;
          }
  
          Procedure procedure = dataMap.getProcedure(preferences.getProcedure());
          if (procedure == null) {
              return;
          }
  
          ProcedureDisplayEvent procedureDisplayEvent = new ProcedureDisplayEvent(this, procedure, dataMap, dataChannel);
          controller.fireProcedureDisplayEvent(procedureDisplayEvent);
  
          ProcedureParameter[] procedureParameters = getLastProcedureParameters(procedure);
          ProcedureParameterDisplayEvent procedureParameterDisplayEvent =
                  new ProcedureParameterDisplayEvent(this, procedureParameters, procedure, dataMap, dataChannel);
          controller.fireProcedureParameterDisplayEvent(procedureParameterDisplayEvent);
      }
  
      @Override
      public void saveLastDisplayEvent() {
          preferences.setEvent(ProcedureParameterDisplayEvent.class.getSimpleName());
          preferences.setDomain(controller.getCurrentDataChanel().getName());
          preferences.setDataMap(controller.getCurrentDataMap().getName());
          preferences.setProcedure(controller.getCurrentProcedure().getName());
          preferences.setProcedureParams(parseToString(controller.getCurrentProcedureParameters()));
      }
  
      protected ProcedureParameter[] getLastProcedureParameters(Procedure procedure) {
          List<ProcedureParameter> procedureParameterList = new ArrayList<ProcedureParameter>();
          ProcedureParameter[] parameters = new ProcedureParameter[0];
  
          String procedureParams = preferences.getProcedureParams();
          if (procedureParams.isEmpty()) {
              return procedureParameterList.toArray(parameters);
          }
  
          for (String procedureParamName : procedureParams.split(",")) {
              for (ProcedureParameter procedureParameter : procedure.getCallParameters()) {
                  if (procedureParameter.getName().equals(procedureParamName)) {
                      procedureParameterList.add(procedureParameter);
                  }
              }
          }
  
          return procedureParameterList.toArray(parameters);
      }
  }