Bug 20700 Code assist activates help UI
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
IDocumentProvider p= getDocumentProvider();
		if (p == null)
			return;
			
		if (p.isDeleted(getEditorInput())) {
			
			if (isSaveAsAllowed()) {
				
				/*
				 * 1GEUSSR: ITPUI:ALL - User should never loose changes made in the editors.
				 * Changed Behavior to make sure that if called inside a regular save (because
				 * of deletion of input element) there is a way to report back to the caller.
				 */
				 performSaveAs(progressMonitor);
			
			} else {
				
				/* 
				 * 1GF5YOX: ITPJUI:ALL - Save of delete file claims it's still there
				 * Missing resources.
				 */
				Shell shell= getSite().getShell();
				MessageDialog.openError(shell, JavaEditorMessages.getString("CompilationUnitEditor.error.saving.title1"), JavaEditorMessages.getString("CompilationUnitEditor.error.saving.message1")); 
			}
			
		} else {	
			
			setStatusLineErrorMessage(null);