diff --git a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/FormsEditorBase.java b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/FormsEditorBase.java
index a7fc72f1469841f120abc225414982028e3abb49..a54f68dd2816b37b66ea2e394d4cfa45f2474537 100644
--- a/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/FormsEditorBase.java
+++ b/org.fortiss.tooling.base.ui/trunk/src/org/fortiss/tooling/base/ui/editor/FormsEditorBase.java
@@ -33,12 +33,14 @@ import org.eclipse.ui.forms.widgets.Section;
 import org.fortiss.tooling.kernel.ui.extension.base.EditorBase;
 
 /**
- * Basic GEF editor based on forms.
+ * Basic editor based on forms.
+ * <p>
+ * This editor disables the library view.
  * 
  * @author ratiu
  * @author $Author: hoelzl $
  * @version $Rev: 18709 $
- * @ConQAT.Rating YELLOW Hash: 59FD8F82856ABF18DD742AEB9A1D313C
+ * @ConQAT.Rating YELLOW Hash: 77237937DC7CBA4AA9BD8B671E8A9926
  */
 public abstract class FormsEditorBase<T extends EObject> extends EditorBase<T> {
 
@@ -117,4 +119,9 @@ public abstract class FormsEditorBase<T extends EObject> extends EditorBase<T> {
 		return client;
 	}
 
+	/** {@inheritDoc} */
+	@Override
+	public boolean enableLibraryView() {
+		return false;
+	}
 }
diff --git a/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/extension/IModelEditor.java b/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/extension/IModelEditor.java
index 514b24d9dbd791e9438f55f12e6dbc94a882892b..3bb62f4a3279a3dc26d07b5f358815c93b8c25b9 100644
--- a/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/extension/IModelEditor.java
+++ b/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/extension/IModelEditor.java
@@ -26,12 +26,19 @@ import org.eclipse.ui.IEditorPart;
  * @author hoelzl
  * @author $Author$
  * @version $Rev$
- * @ConQAT.Rating GREEN Hash: A0FEDA6616CBC0DCC4632D2E73E4FDA5
+ * @ConQAT.Rating YELLOW Hash: CD4AF6D1FAD865473DCF9928CF7C245D
  */
 public interface IModelEditor<T extends EObject> extends IEditorPart {
 	/** Returns the edited object. */
 	T getEditedObject();
 
+	/**
+	 * Returns whether the library view should be active for this editor. If an
+	 * editor does not need elements to be dragged from the library it may
+	 * return <code>false</code> here.
+	 */
+	boolean enableLibraryView();
+
 	/** Sets the highlighting of the given model element to the given value. */
 	void setHighlight(EObject element, boolean highlighted);
 
diff --git a/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/extension/base/EditorBase.java b/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/extension/base/EditorBase.java
index 2d33cf858b5c6ba931b3da0c068489baf5369be7..152231a546dd80016175d86ddc0108ace7a40ce9 100644
--- a/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/extension/base/EditorBase.java
+++ b/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/extension/base/EditorBase.java
@@ -35,11 +35,13 @@ import org.fortiss.tooling.kernel.ui.internal.editor.ModelElementEditorInput;
 /**
  * Base implementation of model element editors returned by
  * {@link IModelEditorBinding}s.
+ * <p>
+ * By default this implementation enables the library view.
  * 
  * @author hoelzlf
  * @author $Author$
  * @version $Rev$
- * @ConQAT.Rating GREEN Hash: D735C9795A2EB99EDB8D0DF67CDF0A23
+ * @ConQAT.Rating YELLOW Hash: 8E78A5604AD81E0BA5E5124F58512E6A
  */
 public abstract class EditorBase<T extends EObject> extends EditorPart
 		implements IActionContributingEditor, IModelEditor<T> {
@@ -159,4 +161,10 @@ public abstract class EditorBase<T extends EObject> extends EditorPart
 	public void clearAllHighlights() {
 		// nothing to do
 	}
+
+	/** {@inheritDoc} */
+	@Override
+	public boolean enableLibraryView() {
+		return true;
+	}
 }
diff --git a/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/internal/editor/ExtendableMultiPageEditor.java b/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/internal/editor/ExtendableMultiPageEditor.java
index 84e5eed33626ae396df78afa6bd9baf259f7622f..07a73b1e2f34d5114f40b1647ae8728f08446503 100644
--- a/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/internal/editor/ExtendableMultiPageEditor.java
+++ b/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/internal/editor/ExtendableMultiPageEditor.java
@@ -56,8 +56,9 @@ import org.fortiss.tooling.kernel.ui.util.PropertiesConstantUtils;
  * @author hoelzl
  * @author $Author$
  * @version $Rev$
- * @ConQAT.Rating GREEN Hash: 0EF0D64A6035A48B0886CCC162C90293
+ * @ConQAT.Rating YELLOW Hash: 9EAFF8E3E63D2E476AE2EB23C595D329
  */
+@SuppressWarnings("rawtypes")
 public class ExtendableMultiPageEditor extends MultiPageEditorPart implements
 		ITabbedPropertySheetPageContributor, CommandStackListener,
 		ISaveablePart, IModelEditor<EObject> {
@@ -238,7 +239,6 @@ public class ExtendableMultiPageEditor extends MultiPageEditorPart implements
 	/**
 	 * {@inheritDoc}
 	 */
-	@SuppressWarnings("rawtypes")
 	@Override
 	public Object getAdapter(Class adapter) {
 		if (adapter == IPropertySheetPage.class) {
@@ -277,7 +277,6 @@ public class ExtendableMultiPageEditor extends MultiPageEditorPart implements
 	}
 
 	/** {@inheritDoc} */
-	@SuppressWarnings("rawtypes")
 	@Override
 	public void setHighlight(EObject element, boolean highlighted) {
 		// delegate to active editor
@@ -288,7 +287,6 @@ public class ExtendableMultiPageEditor extends MultiPageEditorPart implements
 	}
 
 	/** {@inheritDoc} */
-	@SuppressWarnings("rawtypes")
 	@Override
 	public void clearAllHighlights() {
 		// delegate to active editor
@@ -297,4 +295,15 @@ public class ExtendableMultiPageEditor extends MultiPageEditorPart implements
 			((IModelEditor) part).clearAllHighlights();
 		}
 	}
+
+	/** {@inheritDoc} */
+	@Override
+	public boolean enableLibraryView() {
+		// delegate to active editor
+		IEditorPart part = getActiveEditor();
+		if (part instanceof IModelEditor) {
+			return ((IModelEditor) part).enableLibraryView();
+		}
+		return false;
+	}
 }
diff --git a/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/internal/views/LibraryView.java b/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/internal/views/LibraryView.java
index 7e69c5f8a37e9e9b7c3f3f9346d2613dc7adf31d..5d25242f8d1b41f338ef70812ae7f0ee9127698d 100644
--- a/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/internal/views/LibraryView.java
+++ b/org.fortiss.tooling.kernel.ui/trunk/src/org/fortiss/tooling/kernel/ui/internal/views/LibraryView.java
@@ -51,7 +51,7 @@ import org.fortiss.tooling.kernel.ui.service.IModelElementHandlerService;
  * @author eder
  * @author $Author: hoelzl $
  * @version $Rev: 18709 $
- * @ConQAT.Rating GREEN Hash: 65BA252C5E41249091A127DAC0282DC1
+ * @ConQAT.Rating YELLOW Hash: CCABADEE562619A5D1238EA8BD8BAF81
  */
 public class LibraryView extends ViewPart {
 
@@ -131,7 +131,8 @@ public class LibraryView extends ViewPart {
 	@SuppressWarnings("unchecked")
 	private void updateEditorFilters(IEditorPart editor) {
 		supportedBaseClasses.clear();
-		if (editor instanceof EditorBase) {
+		if (editor instanceof EditorBase
+				&& ((EditorBase<? extends EObject>) editor).enableLibraryView()) {
 			EditorBase<? extends EObject> editorBase = (EditorBase<? extends EObject>) editor;
 			containerObject = editorBase.getEditedObject();
 			for (Class<? extends EObject> clazz : editorBase