various house cleaning changes
diff --git a/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/actions/SetBaseTypeAction.java b/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/actions/SetBaseTypeAction.java
deleted file mode 100644
index dd7a2c6..0000000
--- a/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/actions/SetBaseTypeAction.java
+++ /dev/null
@@ -1,383 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2001, 2004 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- * 
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.wst.xsd.ui.internal.actions;
-
-import java.util.ArrayList;
-import java.util.Iterator;
-
-import org.eclipse.jface.action.Action;
-import org.eclipse.jface.resource.ImageDescriptor;
-import org.eclipse.jface.window.Window;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.wst.sse.core.internal.format.IStructuredFormatProcessor;
-import org.eclipse.wst.xml.core.internal.document.DocumentImpl;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
-import org.eclipse.wst.xml.core.internal.provisional.format.FormatProcessorXML;
-import org.eclipse.wst.xsd.editor.XSDEditorPlugin;
-import org.eclipse.wst.xsd.ui.internal.util.TypesHelper;
-import org.eclipse.wst.xsd.ui.internal.util.XSDDOMHelper;
-import org.eclipse.wst.xsd.ui.internal.widgets.SetBaseTypeDialog;
-import org.eclipse.xsd.XSDComplexTypeDefinition;
-import org.eclipse.xsd.XSDConcreteComponent;
-import org.eclipse.xsd.XSDSchema;
-import org.eclipse.xsd.XSDTypeDefinition;
-import org.eclipse.xsd.util.XSDConstants;
-import org.w3c.dom.Element;
-import org.w3c.dom.Node;
-import org.w3c.dom.NodeList;
-
-
-public class SetBaseTypeAction extends Action
-{
-  XSDSchema xsdSchema;
-  Element element;
-  String type = "";
-  String derivedByString = "";
-  XSDDOMHelper domHelper;
-  
-  /**
-   * Constructor for SetBaseTypeAction.
-   */
-  public SetBaseTypeAction()
-  {
-    super();
-    domHelper = new XSDDOMHelper();
-  }
-  /**
-   * Constructor for SetBaseTypeAction.
-   * @param arg0
-   */
-  public SetBaseTypeAction(String arg0)
-  {
-    super(arg0);
-    domHelper = new XSDDOMHelper();
-  }
-  /**
-   * Constructor for SetBaseTypeAction.
-   * @param arg0
-   * @param arg1
-   */
-  public SetBaseTypeAction(String arg0, ImageDescriptor arg1)
-  {
-    super(arg0, arg1);
-    domHelper = new XSDDOMHelper();
-  }
-  /**
-   * Constructor for SetBaseTypeAction.
-   * @param arg0
-   * @param arg1
-   */
-  public SetBaseTypeAction(String arg0, int arg1)
-  {
-    super(arg0, arg1);
-    domHelper = new XSDDOMHelper();
-  }
-
-  
-  public void setXSDSchema(XSDSchema schema)
-  {
-    this.xsdSchema = schema;    
-  }
-
-  public void setComplexTypeElement(Element element)
-  {
-    this.element = element;
-  }
-  
-  public void setType(String type)
-  {
-    this.type = type; 
-  }
-
-  public void setDerivedBy(String derivedByString)
-  {
-    this.derivedByString = derivedByString;
-  }
-
-  public void run()
-  {
-    Display display = Display.getCurrent();
-    // if it is null, get the default one
-    display = display == null ? Display.getDefault() : display;
-    Shell parentShell = display.getActiveShell();
-
-    SetBaseTypeDialog dialog = new SetBaseTypeDialog(parentShell, xsdSchema, element);
-    dialog.setBlockOnOpen(true);
-
-    Element contentModelElement = domHelper.getContentModelFromParent(element);    
-    if (contentModelElement != null)
-    {
-      // to set the current values to show in the dialog
-      if (XSDDOMHelper.inputEquals(contentModelElement, XSDConstants.COMPLEXCONTENT_ELEMENT_TAG, false) ||
-          XSDDOMHelper.inputEquals(contentModelElement, XSDConstants.SIMPLECONTENT_ELEMENT_TAG, false))
-      {
-        Element derivedByElement = domHelper.getDerivedByElementFromComplexType(element);
-        if (derivedByElement != null)
-        {
-          String currentBaseType = derivedByElement.getAttribute(XSDConstants.BASE_ATTRIBUTE);
-          dialog.setCurrentBaseType(currentBaseType);
-          dialog.setCurrentDerivedBy(derivedByElement.getLocalName());
-        }
-        else
-        {
-          dialog.setCurrentBaseType("");
-          dialog.setCurrentDerivedBy("");
-        }
-      }
-    }
-
-    int result = dialog.open();
-    
-    if (result == Window.OK) 
-    {
-      type = dialog.getBaseType();
-      derivedByString = dialog.getDerivedBy();
-      performAction();
-    }
-  }
-
-  XSDTypeDefinition newTypeDefinition = null;
-  public XSDTypeDefinition getXSDTypeDefinition()
-  {
-    return newTypeDefinition;
-  }
-
-  public void performAction()
-  {
-    TypesHelper helper = new TypesHelper(xsdSchema);
-
-    XSDConcreteComponent xsdComp = xsdSchema.getCorrespondingComponent(element);
-    
-    Element contentModelElement = domHelper.getContentModelFromParent(element);
-    boolean contentModelExists = true;
-    if (contentModelElement == null)
-    {
-      contentModelExists = false;
-    }
-
-//  get XSD component of the new type chosen
-    newTypeDefinition = null;
-    for (Iterator i = xsdSchema.getTypeDefinitions().iterator(); i.hasNext(); )
-    {
-      XSDTypeDefinition typeDef = (XSDTypeDefinition)i.next();
-      if (typeDef.getQName().equals(type))
-      {
-        newTypeDefinition = typeDef;
-        break;
-      }
-    }
-   
-    boolean needsComplexContent = false;
-    boolean needsSimpleContent = false;
-
-    if (helper.getBuiltInTypeNamesList().contains(type) ||
-       helper.getUserSimpleTypeNamesList().contains(type))
-//    if (newTypeDefinition instanceof XSDSimpleTypeDefinition)
-    {
-      needsSimpleContent = true; 
-    }        
-    else if (newTypeDefinition instanceof XSDComplexTypeDefinition)
-    {
-      needsComplexContent = true;
-//      XSDComplexTypeDefinition newCTObj = (XSDComplexTypeDefinition)newTypeDefinition;
-//      XSDContentTypeCategory category = newCTObj.getContentTypeCategory();
-    }
-    
-    beginRecording(XSDEditorPlugin.getXSDString("_UI_LABEL_SET_BASE_TYPE"), element);
-    String prefix = element.getPrefix();
-    prefix = (prefix == null) ? "" : (prefix + ":");
-
-    DOMAttribute attr = new DOMAttribute(XSDConstants.BASE_ATTRIBUTE, type);
-    if (!contentModelExists) // if no content model exists, then add the new nodes
-    {
-      if (helper.getBuiltInTypeNamesList().contains(type) ||
-          helper.getUserSimpleTypeNamesList().contains(type))
-      {
-        updateModelAndDerivedByKind(prefix + XSDConstants.SIMPLECONTENT_ELEMENT_TAG, prefix + XSDConstants.EXTENSION_ELEMENT_TAG, attr);
-      }
-      else if (helper.getUserComplexTypeNamesList().contains(type))
-      {
-        if (derivedByString.equals("")) // default
-        {
-          derivedByString = XSDConstants.EXTENSION_ELEMENT_TAG;
-        }
-        Element derivedByElement = updateModelAndDerivedByKind(prefix + XSDConstants.COMPLEXCONTENT_ELEMENT_TAG, prefix + derivedByString, attr);
-        Element newModelGroupElement = element.getOwnerDocument().createElementNS(XSDConstants.SCHEMA_FOR_SCHEMA_URI_2001, prefix + XSDConstants.SEQUENCE_ELEMENT_TAG);
-        derivedByElement.appendChild(newModelGroupElement);
-        formatChild(derivedByElement);
-      }
-    }
-    else  // else there is a content model
-    {
-      if (type.equals(""))  // the chosen type is blank, ie. there is no base type
-      {
-        Element derivedByElement = domHelper.getDerivedByElementFromComplexType(element);
-        Element sourceContentModelElement = domHelper.getContentModelFromParent(derivedByElement);
-        // Retain the content model if there is one from the complex or simple content derive by element
-        if (XSDDOMHelper.inputEquals(sourceContentModelElement, XSDConstants.SEQUENCE_ELEMENT_TAG, false) ||
-            XSDDOMHelper.inputEquals(sourceContentModelElement, XSDConstants.CHOICE_ELEMENT_TAG, false) ||
-            XSDDOMHelper.inputEquals(sourceContentModelElement, XSDConstants.ALL_ELEMENT_TAG, false))
-        {      
-          Element newNode = domHelper.cloneElement(element, sourceContentModelElement);
-          element.replaceChild(newNode, contentModelElement);
-          formatChild(element); 
-        }
-        else // otherwise just add the nodes
-        {
-          XSDDOMHelper.removeNodeAndWhitespace(contentModelElement);
-          Element newSequenceElement = element.getOwnerDocument().createElementNS(XSDConstants.SCHEMA_FOR_SCHEMA_URI_2001, prefix + XSDConstants.SEQUENCE_ELEMENT_TAG);
-          element.appendChild(newSequenceElement);
-          formatChild(newSequenceElement);
-        }
-      }           
-      else // a base type is specified
-      {
-        Element sequenceChoiceOrAllElement = null;  // copy the model to reposition it off of the new derived by element
-        if (XSDDOMHelper.inputEquals(contentModelElement, XSDConstants.SEQUENCE_ELEMENT_TAG, false) ||
-            XSDDOMHelper.inputEquals(contentModelElement, XSDConstants.CHOICE_ELEMENT_TAG, false) ||
-            XSDDOMHelper.inputEquals(contentModelElement, XSDConstants.ALL_ELEMENT_TAG, false))
-        {
-           sequenceChoiceOrAllElement = domHelper.cloneElement(element, contentModelElement);
-        }
-
-        if (needsComplexContent)
-        {
-          if (!(XSDDOMHelper.inputEquals(contentModelElement, XSDConstants.COMPLEXCONTENT_ELEMENT_TAG, false)))
-          {
-            domHelper.changeContentModel(element, XSDConstants.COMPLEXCONTENT_ELEMENT_TAG, sequenceChoiceOrAllElement);
-            contentModelElement = domHelper.getContentModelFromParent(element);
-          }          
-        }
-        if (needsSimpleContent)
-        {
-          if (!(XSDDOMHelper.inputEquals(contentModelElement, XSDConstants.SIMPLECONTENT_ELEMENT_TAG, false)))
-          {
-            // we don't want to append the element content to a simple content
-            sequenceChoiceOrAllElement = null;
-            domHelper.changeContentModel(element, XSDConstants.SIMPLECONTENT_ELEMENT_TAG, sequenceChoiceOrAllElement);
-            contentModelElement = domHelper.getContentModelFromParent(element);
-          }
-        }
-
-        Element derivedByElement = domHelper.getDerivedByElementFromComplexType(element);        
-        if (derivedByElement == null)
-        {
-          if (derivedByString == null || (derivedByString != null && derivedByString.equals("")))
-          {
-            derivedByString = XSDConstants.EXTENSION_ELEMENT_TAG;  // since there is no derivedByElement
-          }
-          derivedByElement = element.getOwnerDocument().createElementNS(XSDConstants.SCHEMA_FOR_SCHEMA_URI_2001, derivedByString);
-          contentModelElement.appendChild(derivedByElement);
-          formatChild(contentModelElement);
-          if (sequenceChoiceOrAllElement != null)
-          {
-            derivedByElement.appendChild(sequenceChoiceOrAllElement);
-            formatChild(derivedByElement);
-          }
-        }
-        else
-        {
-          if (helper.getBuiltInTypeNamesList().contains(type) ||
-              helper.getUserSimpleTypeNamesList().contains(type))
-          {
-            derivedByString = XSDConstants.EXTENSION_ELEMENT_TAG;
-            Element aContentModelElement = domHelper.getContentModelFromParent(derivedByElement);
-            if (aContentModelElement != null)
-            {
-              XSDDOMHelper.removeNodeAndWhitespace(aContentModelElement);
-            }
-          }
-          domHelper.changeDerivedByType(contentModelElement, derivedByString, type);
-        }
-        derivedByElement.setAttribute(attr.getName(), attr.getValue());
-      }
-    }
-    
-    xsdComp.setElement(element);
-    endRecording(element);
-  }
-
-  private Element updateModelAndDerivedByKind(String modelType, String derivedByKind, DOMAttribute attr)
-  {
-    Element newContentModelElement = element.getOwnerDocument().createElementNS(XSDConstants.SCHEMA_FOR_SCHEMA_URI_2001, modelType);
-    element.appendChild(newContentModelElement);
-
-    Element newDerivedByElement = element.getOwnerDocument().createElementNS(XSDConstants.SCHEMA_FOR_SCHEMA_URI_2001, derivedByKind);
-    newContentModelElement.appendChild(newDerivedByElement);
-
-    newDerivedByElement.setAttribute(attr.getName(), attr.getValue());
-    
-    NodeList children = element.getChildNodes();
-    int length = children.getLength();
-    ArrayList nodesToRemove = new ArrayList();
-    for (int i = 0; i < length; i++)
-    {
-      Node node = children.item(i);
-      if (XSDDOMHelper.inputEquals(node, XSDConstants.ATTRIBUTE_ELEMENT_TAG, false) ||
-          XSDDOMHelper.inputEquals(node, XSDConstants.ATTRIBUTE_ELEMENT_TAG, true) ||
-          XSDDOMHelper.inputEquals(node, XSDConstants.ATTRIBUTEGROUP_ELEMENT_TAG, true) ||
-          XSDDOMHelper.inputEquals(node, XSDConstants.ANYATTRIBUTE_ELEMENT_TAG, false))
-      {
-        newDerivedByElement.appendChild(node.cloneNode(true));
-        nodesToRemove.add(node);
-      }
-    }
-    for (Iterator i = nodesToRemove.iterator(); i.hasNext(); )
-    {
-      XSDDOMHelper.removeNodeAndWhitespace((Node)i.next());
-    }
-    
-    formatChild(newContentModelElement);
-
-    return newDerivedByElement;
-  }
-
-  protected void formatChild(Element child)
-  {
-    if (child instanceof IDOMNode)
-    {
-      IDOMModel model = ((IDOMNode)child).getModel();
-      try
-      {
-        // tell the model that we are about to make a big model change
-        model.aboutToChangeModel();
-        
-        IStructuredFormatProcessor formatProcessor = new FormatProcessorXML();
-        formatProcessor.formatNode(child);
-      }
-      finally
-      {
-        // tell the model that we are done with the big model change
-        model.changedModel(); 
-      }
-    }
-
-  }
-
-  public DocumentImpl getDocument(Element element)
-  {
-    return (DocumentImpl) element.getOwnerDocument();
-  }
-
-  public void beginRecording(String description, Element element)
-  {
-    getDocument(element).getModel().beginRecording(this, description);
-  }
-  
-  public void endRecording(Element element)
-  {
-    DocumentImpl doc = (DocumentImpl) getDocument(element);
-    
-    doc.getModel().endRecording(this);    
-  }
-}
diff --git a/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/util/XSDSchemaHelper.java b/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/util/XSDSchemaHelper.java
deleted file mode 100644
index a57e619..0000000
--- a/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/util/XSDSchemaHelper.java
+++ /dev/null
@@ -1,72 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2001, 2004 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- * 
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.wst.xsd.ui.internal.util;
-
-import java.util.Collection;
-import java.util.Iterator;
-
-import org.eclipse.emf.ecore.EReference;
-import org.eclipse.xsd.XSDConcreteComponent;
-
-// TODO: KC remove this
-
-public class XSDSchemaHelper
-{
-  /**
-   * Constructor for XSDSchemaHelper.
-   */
-  public XSDSchemaHelper()
-  {
-    super();
-  }
-  
-  public static void updateElement(XSDConcreteComponent concreteComp)
-  {
-    try
-    {
-      concreteComp.updateElement();
-    }
-    catch (Exception e)
-    {
-      for (Iterator containments = concreteComp.eClass().getEAllReferences().iterator(); containments.hasNext(); )
-      {
-        EReference eReference = (EReference)containments.next();
-        if (eReference.isContainment())
-        {
-          if (eReference.isMany())
-          {
-            for (Iterator objects = ((Collection)concreteComp.eGet(eReference)).iterator(); objects.hasNext(); )
-            {
-              XSDConcreteComponent xsdConcreteComponent = (XSDConcreteComponent)objects.next();
-              try
-              {
-                xsdConcreteComponent.updateElement();
-              }
-              catch (Exception ex) {}
-            }
-          }
-          else
-          {
-            XSDConcreteComponent xsdConcreteComponent = (XSDConcreteComponent)concreteComp.eGet(eReference);
-            if (xsdConcreteComponent != null)
-            {
-              try
-              {
-                xsdConcreteComponent.updateElement();
-              }
-              catch (Exception ex) {}
-            }
-          }
-        }
-      }
-    }
-  }    
-}
diff --git a/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/widgets/SetBaseTypeDialog.java b/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/widgets/SetBaseTypeDialog.java
deleted file mode 100644
index 9aadece..0000000
--- a/bundles/org.eclipse.wst.xsd.ui/src-adt-xsd/org/eclipse/wst/xsd/ui/internal/widgets/SetBaseTypeDialog.java
+++ /dev/null
@@ -1,178 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2001, 2004 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- * 
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.wst.xsd.ui.internal.widgets;
-
-import java.util.ArrayList;
-
-import org.eclipse.jface.dialogs.Dialog;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.events.SelectionListener;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.widgets.Combo;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.wst.xsd.editor.XSDEditorPlugin;
-import org.eclipse.wst.xsd.ui.internal.util.TypesHelper;
-import org.eclipse.wst.xsd.ui.internal.util.ViewUtility;
-import org.eclipse.xsd.XSDSchema;
-import org.eclipse.xsd.util.XSDConstants;
-import org.w3c.dom.Element;
-
-
-
-public class SetBaseTypeDialog extends Dialog implements SelectionListener
-{
-  protected Combo baseTypeCombo;
-  protected Combo derivedByCombo;
-  protected XSDSchema xsdSchema;
-  protected Element element;  // the complex type element
-  private String type = "";
-  private String derivedByString = "";
-  
-  /**
-   * Constructor for SetBaseTypeDialog.
-   * @param arg0
-   */
-  public SetBaseTypeDialog(Shell arg0, XSDSchema xsdSchema, Element element)
-  {
-    super(arg0);
-    this.xsdSchema = xsdSchema;
-    this.element = element;
-  }
-
-  protected void configureShell(Shell shell)
-  {
-    super.configureShell(shell);
-    shell.setText(XSDEditorPlugin.getXSDString("_UI_LABEL_SET_BASE_TYPE"));
-  }
-
-
-  protected void buttonPressed(int buttonId)
-  {
-    if (buttonId == Dialog.OK)
-    {
-      type = baseTypeCombo.getText();
-      derivedByString = derivedByCombo.getText();
-    }
-    super.buttonPressed(buttonId);
-  }
-  
-  public String getBaseType()
-  {
-    return type;
-  }
-
-  public String getDerivedBy()
-  {
-    return derivedByString;
-  }
-  
-  public void setCurrentBaseType(String type)
-  {
-    this.type = type;
-  }
-  
-  public void setCurrentDerivedBy(String derivedByString)
-  {
-    this.derivedByString = derivedByString;
-  }
-
-  //
-  // Create the controls
-  //
-  public Control createDialogArea(Composite parent)
-  {
-    Composite nameComposite = (Composite)super.createDialogArea(parent);
-    GridLayout layout = (GridLayout)nameComposite.getLayout();
-    layout.numColumns = 2;
-    nameComposite.setLayout(layout); 
-
-    ViewUtility.createLabel(nameComposite, XSDEditorPlugin.getXSDString("_UI_LABEL_BASE_TYPE_WITH_COLON"));
-    baseTypeCombo = ViewUtility.createComboBox(nameComposite, true); // readonly
-    baseTypeCombo.addSelectionListener(this);
-    
-    ViewUtility.createLabel(nameComposite, XSDEditorPlugin.getXSDString("_UI_LABEL_DERIVED_BY")); 
-    derivedByCombo = ViewUtility.createComboBox(nameComposite, true); // readonly
-
-    derivedByCombo.add(XSDConstants.EXTENSION_ELEMENT_TAG);
-    derivedByCombo.add(XSDConstants.RESTRICTION_ELEMENT_TAG);
-    derivedByCombo.setText(derivedByString);
-    initializeBaseTypeCombo();
-
-    if (type.equals(""))
-    {
-      derivedByCombo.setText("");
-      derivedByCombo.setEnabled(false);
-    }
-        
-    return nameComposite;
-  }
-
-  private void initializeBaseTypeCombo()
-  {
-    ArrayList list = new ArrayList();
-    TypesHelper helper = new TypesHelper(xsdSchema);
-
-    String prefix = helper.getPrefix(xsdSchema.getTargetNamespace(), true);
-
-    list.add("");
-    list.addAll(helper.getBuiltInTypeNamesList());
-    list.addAll(helper.getUserSimpleTypeNamesList());
-    list.addAll(helper.getUserComplexTypeNamesList());
-
-    // remove the current CT from the list
-    list.remove(prefix + element.getAttribute("name"));
-
-    baseTypeCombo.removeAll();
-    for (int i = 0; i < list.size(); i++)
-    {
-      baseTypeCombo.add(list.get(i).toString());
-    }
-    baseTypeCombo.setText(type);
-    handleBaseTypeComboChange();
-  }
-  
-  private void handleBaseTypeComboChange()
-  {
-    String tempChoice = baseTypeCombo.getText();
-    TypesHelper helper = new TypesHelper(xsdSchema);
-    if (helper.getBuiltInTypeNamesList().contains(tempChoice) ||
-        helper.getUserSimpleTypeNamesList().contains(tempChoice))
-    {
-      derivedByCombo.setText(XSDConstants.EXTENSION_ELEMENT_TAG);
-      derivedByCombo.setEnabled(false);
-    }
-    else if (helper.getUserComplexTypeNamesList().contains(tempChoice))
-    {
-      derivedByCombo.setEnabled(true); 
-    }
-    else
-    {
-      derivedByCombo.setText("");
-      derivedByCombo.setEnabled(false); 
-    }
-  }
-
-  public void widgetSelected(SelectionEvent e)
-  {
-    if (e.widget == baseTypeCombo)
-    {
-      handleBaseTypeComboChange();
-    }
-    
-  }
-
-  public void widgetDefaultSelected(SelectionEvent e)
-  {
-    
-  }
-}