Get DataContext / Toggle boolean DataContext

public static void toggleDataContext(Object parent, String dataVar) {
	DataContextImpl dcImpl = getDataContext(parent, dataVar);
	if (dcImpl.getValue() instanceof Boolean) {
		Boolean currVal = (Boolean) dcImpl.getValue();
		dcImpl.setValue(!currVal);
	}
}

public static DataContextImpl getDataContext(Object parent, String dataVar) {
	for (DataContext dc : getDataContextList(parent)) {
		DataContextImpl dcImpl = (DataContextImpl) dc;
		if (dataVar.equals(dcImpl.getVar())) {
			return dcImpl;
		}
	}
	return null;
}

private static List<DataContext> getDataContextList(Object parent) {
	try {
		if (parent instanceof UIViewRootEx2) {
			UIViewRootEx2 par = (UIViewRootEx2) parent;
			return par.getDataContexts();
		}
		if (parent instanceof UIPanelEx) {
			UIPanelEx par = (UIPanelEx) parent;
			return par.getDataContexts();
		}
		handleException(new Throwable("The object passed in is not compatible with dataContexts"));
		return null;
	} catch (Throwable e) {
		handleException(e);
		return null;
	}
}