Index: src/org/codehaus/groovy/eclipse/editor/GroovyEditor.java
===================================================================
--- .	(revision 10718)
+++ .	(working copy)
@@ -21,6 +21,7 @@
 import org.eclipse.ui.texteditor.AbstractDecoratedTextEditor;
 import org.eclipse.ui.texteditor.ChainedPreferenceStore;
 import org.eclipse.ui.texteditor.ContentAssistAction;
+import org.eclipse.ui.texteditor.ITextEditor;
 import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
 import org.eclipse.ui.texteditor.SourceViewerDecorationSupport;
 import org.eclipse.ui.texteditor.TextOperationAction;
@@ -81,6 +82,9 @@
             IFile file = (IFile) getEditorInput().getAdapter(IFile.class);
             if (file!=null) return new GroovyContentOutline(file);
         }
+        if (adapter.equals(ITextEditor.class)){
+        	return this;
+        }
         return super.getAdapter(adapter);
     }
     
Index: src/org/codehaus/groovy/eclipse/editor/actions/EditorPartFacade.java
===================================================================
--- .	(revision 10718)
+++ .	(working copy)
@@ -55,7 +55,7 @@
 		// until I decide what is needed. It took until 1.5 to get this c_tor?
 		// -emp
 		// try {
-		return (ITextEditor) editor;
+		return (ITextEditor) editor.getAdapter(ITextEditor.class);
 		// } catch (ClassCastException e) {
 		// throw new IllegalStateException("Expecting a text editor, found "
 		// + editor.getClass().getName(), e);