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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
   *  with the License.  You may obtain a copy of the License at
   *
   *    https://www.apache.org/licenses/LICENSE-2.0
   *
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   *  specific language governing permissions and limitations
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   ****************************************************************/
  
  package org.apache.cayenne.modeler.dialog.datamap;
  
  import java.awt.Component;
  
  import org.apache.cayenne.map.DataMap;
  import org.apache.cayenne.map.ObjAttribute;
  import org.apache.cayenne.map.ObjEntity;
  import org.apache.cayenne.map.ObjRelationship;
  import org.apache.cayenne.map.event.AttributeEvent;
  import org.apache.cayenne.map.event.EntityEvent;
  import org.apache.cayenne.map.event.RelationshipEvent;
  import org.apache.cayenne.modeler.ProjectController;
  import org.apache.cayenne.modeler.util.CayenneController;
  import org.apache.cayenne.swing.BindingBuilder;
  
  public class LockingUpdateController extends CayenneController {
  
      protected LockingUpdateView view;
      protected DataMap dataMap;
  
      public LockingUpdateController(ProjectController parent, DataMap dataMap) {
          super(parent);
          this.dataMap = dataMap;
      }
  
      public void startup() {
  
          view = new LockingUpdateView();
  
          boolean on = dataMap.getDefaultLockType() == ObjEntity.LOCK_TYPE_OPTIMISTIC;
          view.setTitle(on ? "Enable Optimistic Locking" : "Disable Optimistic Locking");
  
          initBindings();
  
          view.pack();
          view.setModal(true);
          centerView();
          makeCloseableOnEscape();
          view.setVisible(true);
      }
  
      public Component getView() {
          return view;
      }
  
      protected void initBindings() {
          BindingBuilder builder = new BindingBuilder(
                  getApplication().getBindingFactory(),
                  this);
  
          builder.bindToAction(view.getCancelButton(), "cancelAction()");
          builder.bindToAction(view.getUpdateButton(), "updateAction()");
      }
  
      public void cancelAction() {
          if (view != null) {
              view.dispose();
          }
      }
  
      public void updateAction() {
          int defaultLockType = dataMap.getDefaultLockType();
          boolean on = defaultLockType == ObjEntity.LOCK_TYPE_OPTIMISTIC;
  
          boolean updateEntities = view.getEntities().isSelected();
          boolean updateAttributes = view.getAttributes().isSelected();
          boolean updateRelationships = view.getRelationships().isSelected();
          ProjectController parent = (ProjectController) getParent();
  
          for (ObjEntity entity : dataMap.getObjEntities()) {
              if (updateEntities && defaultLockType != entity.getDeclaredLockType()) {
                  entity.setDeclaredLockType(defaultLockType);
                  parent.fireObjEntityEvent(new EntityEvent(this, entity));
              }
  
              if (updateAttributes) {
                  for (ObjAttribute a : entity.getAttributes()) {
                      if (a.isUsedForLocking() != on) {
                          a.setUsedForLocking(on);
                          parent.fireObjAttributeEvent(new AttributeEvent(this, a, entity));
                      }
                  }
              }
  
              if (updateRelationships) {
                  for (ObjRelationship r : entity.getRelationships()) {
                      if (r.isUsedForLocking() != on) {
                          r.setUsedForLocking(on);
                          parent.fireObjRelationshipEvent(new RelationshipEvent(
                                  this,
                                  r,
                                  entity));
                      }
                  }
              }
          }
  
          if (view != null) {
              view.dispose();
          }
      }
  }
  