return false;
	private boolean acquireWidgetToken(int type) {		switch (type) {			case CONTEXT_SELECTOR:			case PROPOSAL_SELECTOR:				if (fViewer instanceof IWidgetTokenOwner) {					IWidgetTokenOwner owner= (IWidgetTokenOwner) fViewer;					return owner.requestWidgetToken(this);				} else if (fViewer instanceof IWidgetTokenOwnerExtension)  {					IWidgetTokenOwnerExtension extension= (IWidgetTokenOwnerExtension) fViewer;					return extension.requestWidgetToken(this, WIDGET_PRIORITY);				}				return false;		}			return true;	}