@Override
public void setField(Field field) {
FieldVariable variableField = (FieldVariable) field;
if (mVariableField == variableField) {
return;
}
if (mVariableField != null) {
mVariableField.unregisterObserver(mFieldObserver);
}
mVariableField = variableField;
if (mVariableField != null) {
// Update immediately.
refreshSelection();
mVariableField.registerObserver(mFieldObserver);
} else {
setSelection(0);
}
}
