controllerSetText method
Implementation
void controllerSetText(String controllerText) {
if (controllerText.isEmpty) {
if (internalValue == null) {
return;
}
internalValue = null;
valueController.add(null);
return;
}
if (internalValue == controllerText) {
return;
}
internalValue = controllerText;
valueController.add(controllerText);
validation = validateFunc?.call(controllerText);
}