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  package org.apache.cayenne.modeler.editor.datanode;
  
  import org.apache.cayenne.configuration.DataNodeDescriptor;
  import org.apache.cayenne.modeler.ProjectController;
  import org.apache.cayenne.modeler.util.CayenneController;
  import org.apache.cayenne.swing.BindingBuilder;
  import org.apache.cayenne.swing.BindingDelegate;
  import org.apache.cayenne.swing.ObjectBinding;
  import org.apache.cayenne.util.Util;
  
  /**
   */
  public abstract class DataSourceEditor extends CayenneController {
  
      protected ObjectBinding[] fieldAdapters;
      private DataNodeDescriptor node;
      protected BindingDelegate nodeChangeProcessor;
  
      public DataSourceEditor(ProjectController controller,
              BindingDelegate nodeChangeProcessor) {
          super(controller);
          this.nodeChangeProcessor = nodeChangeProcessor;
          initBindings();
      }
  
      public DataNodeDescriptor getNode() {
          return node;
      }
  
      public void setNode(DataNodeDescriptor node) {
          if (!Util.nullSafeEquals(this.node, node)) {
              this.node = node;
  
              for (ObjectBinding fieldAdapter : fieldAdapters) {
                  fieldAdapter.updateView();
              }
          }
      }
  
      protected void initBindings() {
          BindingBuilder builder = new BindingBuilder(
                  getApplication().getBindingFactory(),
                  this);
          builder.setDelegate(nodeChangeProcessor);
          prepareBindings(builder);
      }
  
      protected abstract void prepareBindings(BindingBuilder builder);
  
      protected void refreshView() {
          for (ObjectBinding fieldAdapter : fieldAdapters) {
              fieldAdapter.updateView();
          }
      }
  }
  