dialogArea.setLayout(gridLayout);
subclassDialogArea.setLayout(gridLayout);
  protected Control createDialogArea(Composite _parent) {    Composite dialogArea = new Composite(_parent, SWT.NONE);    GridLayout gridLayout = new GridLayout(2, false);    gridLayout.marginBottom = 0;    gridLayout.marginTop = 15;    gridLayout.marginLeft = 15;    gridLayout.marginRight = 15;    gridLayout.horizontalSpacing = 15;    dialogArea.setLayout(gridLayout);    Label subclassNameLabel = new Label(dialogArea, SWT.NONE);    subclassNameLabel.setText("Entity Name");    myEntityNameText = new Text(dialogArea, SWT.BORDER);    myEntityNameText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));    myEntityNameText.addModifyListener(new ModifyListener() {      public void modifyText(ModifyEvent _e) {        myEntityName = myEntityNameText.getText();      }    });    myEntityNameText.setText("NewEntityName");    Label parentEntityLabel = new Label(dialogArea, SWT.NONE);    parentEntityLabel.setText("Parent Entity");    myParentEntityViewer = new ComboViewer(dialogArea);    myParentEntityViewer.setContentProvider(new EOEntityListContentProvider(false, false));    myParentEntityViewer.setLabelProvider(new EOEntityLabelProvider());    myParentEntityViewer.setSorter(new ViewerSorter());    myParentEntityViewer.setInput(myModel);    myParentEntityViewer.getCombo().setLayoutData(new GridData(GridData.FILL_HORIZONTAL));    myParentEntityViewer.addSelectionChangedListener(new ISelectionChangedListener() {      public void selectionChanged(SelectionChangedEvent _event) {        myParentEntity = (EOEntity) ((IStructuredSelection) _event.getSelection()).getFirstElement();      }    });    if (myParentEntity != null) {      myParentEntityViewer.setSelection(new StructuredSelection(myParentEntity));    }    Label inheritanceTypeLabel = new Label(dialogArea, SWT.NONE);    inheritanceTypeLabel.setText("Inheritance Type");    myInheritanceTypeViewer = new ComboViewer(dialogArea);    myInheritanceTypeViewer.setLabelProvider(new InheritanceTypeLabelProvider());    myInheritanceTypeViewer.setContentProvider(new InheritanceTypeContentProvider());    myInheritanceTypeViewer.setSorter(new ViewerSorter());    myInheritanceTypeViewer.setInput(InheritanceType.INHERITANCE_TYPES);    myInheritanceTypeViewer.getCombo().setLayoutData(new GridData(GridData.FILL_HORIZONTAL));    myInheritanceTypeViewer.addSelectionChangedListener(new ISelectionChangedListener() {      public void selectionChanged(SelectionChangedEvent _event) {        myInheritanceType = (InheritanceType) ((IStructuredSelection) _event.getSelection()).getFirstElement();      }    });    myInheritanceTypeViewer.setSelection(new StructuredSelection(InheritanceType.HORIZONTAL));    return dialogArea;  }