* @see org.eclipse.jface.text.source.SourceViewerConfiguration#getQuickAssistAssistant(org.eclipse.jface.text.source.ISourceViewer)
*/
public IQuickAssistAssistant getQuickAssistAssistant(ISourceViewer sourceViewer) {
if (fQuickAssistant == null) {
IQuickAssistAssistant assistant = new QuickAssistAssistant();
assistant.setQuickAssistProcessor(new CompoundQuickAssistProcessor());
assistant.setInformationControlCreator(getQuickAssistAssistantInformationControlCreator());
// Waiting for color preferences, see:
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=133731
// set content assist preferences