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   *  regarding copyright ownership.  The ASF licenses this file
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  package org.apache.cayenne.modeler.editor;
  
  import org.apache.cayenne.map.ProcedureParameter;
  import org.apache.cayenne.modeler.Application;
  import org.apache.cayenne.modeler.ProjectController;
  import org.apache.cayenne.modeler.action.RemoveProcedureParameterAction;
  import org.apache.cayenne.modeler.event.ProcedureDisplayEvent;
  import org.apache.cayenne.modeler.event.ProcedureDisplayListener;
  import org.apache.cayenne.modeler.event.ProcedureParameterDisplayEvent;
  import org.apache.cayenne.modeler.event.ProcedureParameterDisplayListener;
  
  import javax.swing.JScrollPane;
  import javax.swing.JTabbedPane;
  import javax.swing.event.ChangeEvent;
  import javax.swing.event.ChangeListener;
  import java.awt.Component;
  
  /**
   * Tabbed panel for stored procedure editing.
   * 
   */
  public class ProcedureTabbedView extends JTabbedPane implements ProcedureDisplayListener,
          ProcedureParameterDisplayListener {
  
      protected ProjectController eventController;
      protected ProcedureTab procedurePanel;
      protected ProcedureParameterTab procedureParameterPanel;
  
      public ProcedureTabbedView(ProjectController eventController) {
          this.eventController = eventController;
  
          // init view
          setTabPlacement(JTabbedPane.TOP);
          procedurePanel = new ProcedureTab(eventController);
          addTab("Procedure", new JScrollPane(procedurePanel));
          procedureParameterPanel = new ProcedureParameterTab(eventController);
          addTab("Parameters", procedureParameterPanel);
  
          // init listeners
          eventController.addProcedureDisplayListener(this);
          eventController.addProcedureParameterDisplayListener(this);
          this.addChangeListener(new ChangeListener() {
  
              public void stateChanged(ChangeEvent e) {
                  // find source view
                  Component selected = ProcedureTabbedView.this.getSelectedComponent();
                  while (selected instanceof JScrollPane) {
                      selected = ((JScrollPane) selected).getViewport().getView();
                  }
  
                  ((ExistingSelectionProcessor) selected).processExistingSelection(e);
              }
          });
      }
  
      /**
       * Invoked when currently selected Procedure object is changed.
       */
      public void currentProcedureChanged(ProcedureDisplayEvent e) {
          Application.getInstance().getActionManager().getAction(
                  RemoveProcedureParameterAction.class).setEnabled(false);
  
          if (e.getProcedure() == null)
              setVisible(false);
          else {
              if (e.isTabReset()) {
                  this.setSelectedIndex(0);
              }
              this.setVisible(true);
          }
      }
  
      public void currentProcedureParameterChanged(ProcedureParameterDisplayEvent e) {
          ProcedureParameter[] parameters = e.getProcedureParameters();
  
          if (parameters.length > 0) {
              setSelectedComponent(procedureParameterPanel);
              procedureParameterPanel.selectParameters(parameters);
          }
      }
  }
  