diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/dialog/ElementTreeSingleSelectDialog.java b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/dialog/ElementTreeSingleSelectDialog.java
index b72b8214b4e491752d8b0fbed1dabcf201b088fa..0d7b173a6858611133032723071fa3781f21cdc2 100644
--- a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/dialog/ElementTreeSingleSelectDialog.java
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/dialog/ElementTreeSingleSelectDialog.java
@@ -17,9 +17,7 @@ $Id$
 +--------------------------------------------------------------------------*/
 package org.fortiss.tooling.base.ui.dialog;
 
-import static org.eclipse.jface.dialogs.IDialogConstants.CANCEL_ID;
 import static org.eclipse.jface.dialogs.IDialogConstants.OK_ID;
-import static org.eclipse.jface.dialogs.IDialogConstants.OK_LABEL;
 
 import java.util.ArrayList;
 import java.util.LinkedList;
@@ -34,7 +32,6 @@ import org.eclipse.jface.viewers.ITreeSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.TreePath;
 import org.eclipse.jface.viewers.TreeSelection;
-import org.eclipse.jface.viewers.TreeViewer;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
@@ -52,7 +49,7 @@ import org.eclipse.swt.widgets.Shell;
  * @author mou
  * @author $Author$
  * @version $Rev$
- * @ConQAT.Rating GREEN Hash: 1F1AEE709062AF84FC45A41E95D67DBD
+ * @ConQAT.Rating YELLOW Hash: 21390B2073FFC2212901CC3D583D88DA
  */
 public class ElementTreeSingleSelectDialog extends TitleAreaDialog {
 
@@ -71,24 +68,8 @@ public class ElementTreeSingleSelectDialog extends TitleAreaDialog {
 	/** the label provider */
 	private ILabelProvider labelSupport;
 
-	/** the main tree viewer */
-	private TreeViewer elementTreeViewer;
-
-	/**
-	 * Default Constructor for GUI builder.
-	 * 
-	 * @param parentShell
-	 * 
-	 * @deprecated
-	 * @wbp.parser.constructor
-	 */
-	@Deprecated
-	public ElementTreeSingleSelectDialog(Shell parentShell) {
-		super(parentShell);
-		setShellStyle(SWT.SHELL_TRIM);
-		setErrorMessage("");
-		setHelpAvailable(false);
-	}
+	/** The gui composite */
+	private ElementTreeSingleSelectDialogGUI gui;
 
 	/**
 	 * Main constructor
@@ -117,23 +98,20 @@ public class ElementTreeSingleSelectDialog extends TitleAreaDialog {
 			rootElements = new ArrayList<Object>(roots);
 		}
 
+		dialogEditSupport = edit;
+		contentSupport = contentProvider;
+		labelSupport = labelProvider;
+
 		if (selected == null) {
 			selectedPath = null;
 		} else {
 			selectedPath = computeTreePath(rootElements, selected);
 		}
-
-		dialogEditSupport = edit;
-		contentSupport = contentProvider;
-		labelSupport = labelProvider;
 	}
 
 	/** {@inheritDoc} */
 	@Override
 	protected Control createDialogArea(Composite parent) {
-		// CAUTION: The code below is automatically generated, do not edit
-		// manually!
-
 		setHelpAvailable(false);
 
 		setTitle("Select");
@@ -141,30 +119,45 @@ public class ElementTreeSingleSelectDialog extends TitleAreaDialog {
 
 		// create controls
 		Composite area = (Composite) super.createDialogArea(parent);
-		ElementTreeSingleSelectDialogGUI container = new ElementTreeSingleSelectDialogGUI(
-				area, SWT.NONE);
-		container.setLayoutData(new GridData(GridData.FILL_BOTH));
+		gui = new ElementTreeSingleSelectDialogGUI(area, SWT.NONE);
+		gui.setLayoutData(new GridData(GridData.FILL_BOTH));
+
+		// hide edit toolbar if no edit function is available
+		if (dialogEditSupport == null) {
+			gui.getLeftToolBar().setVisible(false);
+			((GridData) gui.getLeftToolBar().getLayoutData()).exclude = true;
+		}
+
+		// label, content and input
+		gui.getElementTreeViewer().setLabelProvider(labelSupport);
+
+		gui.getElementTreeViewer().setContentProvider(
+				new MultiRootTreeContentProvider(rootElements, contentSupport));
+
+		gui.getElementTreeViewer().setInput(rootElements);
+
+		if (selectedPath != null)
+			gui.getElementTreeViewer().setSelection(
+					new TreeSelection(selectedPath), true);
 
 		// create listeners
-		container.getCreateButton().addSelectionListener(
-				new SelectionAdapter() {
-					/** {@inheritDoc} */
-					@Override
-					public void widgetSelected(SelectionEvent e) {
-						createElement();
-					}
-				});
+		gui.getCreateButton().addSelectionListener(new SelectionAdapter() {
+			/** {@inheritDoc} */
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				createElement();
+			}
+		});
 
-		container.getDeleteButton().addSelectionListener(
-				new SelectionAdapter() {
-					/** {@inheritDoc} */
-					@Override
-					public void widgetSelected(SelectionEvent e) {
-						deleteElement();
-					}
-				});
+		gui.getDeleteButton().addSelectionListener(new SelectionAdapter() {
+			/** {@inheritDoc} */
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				deleteElement();
+			}
+		});
 
-		container.getEditButton().addSelectionListener(new SelectionAdapter() {
+		gui.getEditButton().addSelectionListener(new SelectionAdapter() {
 			/** {@inheritDoc} */
 			@Override
 			public void widgetSelected(SelectionEvent e) {
@@ -172,42 +165,17 @@ public class ElementTreeSingleSelectDialog extends TitleAreaDialog {
 			}
 		});
 
-		elementTreeViewer
-				.addSelectionChangedListener(new ISelectionChangedListener() {
+		gui.getElementTreeViewer().addPostSelectionChangedListener(
+				new ISelectionChangedListener() {
 					@Override
 					public void selectionChanged(SelectionChangedEvent event) {
 						selectElement();
 					}
 				});
 
-		// label, content and input
-		elementTreeViewer.setLabelProvider(labelSupport);
-
-		elementTreeViewer.setContentProvider(new MultiRootTreeContentProvider(
-				rootElements, contentSupport));
-
-		elementTreeViewer.setInput(rootElements);
-
-		if (selectedPath != null)
-			elementTreeViewer.setSelection(new TreeSelection(selectedPath),
-					true);
-
-		// hide edit toolbar if no edit function is available
-		if (dialogEditSupport == null) {
-			container.getLeftToolBar().setVisible(false);
-			((GridData) container.getLeftToolBar().getLayoutData()).exclude = true;
-		}
-
 		return area;
 	}
 
-	/** {@inheritDoc} */
-	@Override
-	protected void createButtonsForButtonBar(Composite parent) {
-		createButton(parent, OK_ID, OK_LABEL, false);
-		createButton(parent, CANCEL_ID, "Cancel", true);
-	}
-
 	/** {@inheritDoc} */
 	@Override
 	protected Point getInitialSize() {
@@ -249,8 +217,8 @@ public class ElementTreeSingleSelectDialog extends TitleAreaDialog {
 		try {
 
 			// find the path to hold the new element
-			ITreeSelection selection = (ITreeSelection) elementTreeViewer
-					.getSelection();
+			ITreeSelection selection = (ITreeSelection) gui
+					.getElementTreeViewer().getSelection();
 			if (selection.getPaths() != null
 					&& selection.getPaths().length != 1)
 				return; // at most 1 element can be selected
@@ -275,8 +243,8 @@ public class ElementTreeSingleSelectDialog extends TitleAreaDialog {
 			}
 
 			// insert the new element
-			elementTreeViewer.add(path, o);
-			elementTreeViewer.reveal(o);
+			gui.getElementTreeViewer().add(path, o);
+			gui.getElementTreeViewer().reveal(o);
 		} catch (Exception e2) {
 			e2.printStackTrace();
 		}
@@ -288,8 +256,8 @@ public class ElementTreeSingleSelectDialog extends TitleAreaDialog {
 			return;
 
 		try {
-			ITreeSelection selection = (ITreeSelection) elementTreeViewer
-					.getSelection();
+			ITreeSelection selection = (ITreeSelection) gui
+					.getElementTreeViewer().getSelection();
 			if (selection.getPaths() == null)
 				return;
 
@@ -299,7 +267,7 @@ public class ElementTreeSingleSelectDialog extends TitleAreaDialog {
 					if (rootElements.contains(path.getLastSegment()))
 						rootElements.remove(path.getLastSegment());
 
-					elementTreeViewer.remove(path);
+					gui.getElementTreeViewer().remove(path);
 
 					if (path.equals(selectedPath)) {
 						selectedPath = null;
@@ -318,8 +286,8 @@ public class ElementTreeSingleSelectDialog extends TitleAreaDialog {
 
 		try {
 			// find the path to the element
-			ITreeSelection selection = (ITreeSelection) elementTreeViewer
-					.getSelection();
+			ITreeSelection selection = (ITreeSelection) gui
+					.getElementTreeViewer().getSelection();
 			if (selection.getPaths() == null
 					|| selection.getPaths().length != 1)
 				return; // 1 element must be selected
@@ -327,7 +295,7 @@ public class ElementTreeSingleSelectDialog extends TitleAreaDialog {
 			TreePath path = selection.getPaths()[0];
 			dialogEditSupport.editElement(path.getLastSegment());
 
-			elementTreeViewer.refresh();
+			gui.getElementTreeViewer().refresh();
 		} catch (Exception e2) {
 			e2.printStackTrace();
 		}
@@ -336,7 +304,7 @@ public class ElementTreeSingleSelectDialog extends TitleAreaDialog {
 	/** update the selected element by its tree path */
 	private void selectElement() {
 		// find the path to the element
-		ITreeSelection selection = (ITreeSelection) elementTreeViewer
+		ITreeSelection selection = (ITreeSelection) gui.getElementTreeViewer()
 				.getSelection();
 		if (selection.getPaths() == null || selection.getPaths().length != 1) {
 			selectedPath = null;