evaluateDependencies method
void
evaluateDependencies(
- Map<String, dynamic> currentAnswers
)
Implementation
void evaluateDependencies(Map<String, dynamic> currentAnswers) {
// If there are no dependencies, retain the default states.
if (dependencies == null) {
return;
}
// generate visibility based on dependencies, if there
if (dependencies!.isVisible != null) {
String dependentQuestionId = dependencies!.isVisible!.onFId;
var requiredValue = dependencies!.isVisible!.value;
String answer =
currentAnswers[dependentQuestionId]?.toString().toLowerCase() ?? '';
isVisible = (answer == requiredValue);
}
// generate required status based on dependencies, if there
if (dependencies!.isRequired != null) {
String dependentQuestionId = dependencies!.isRequired!.onFId;
var requiredValue = dependencies!.isRequired!.value;
String answer =
currentAnswers[dependentQuestionId]?.toString().toLowerCase() ?? '';
isRequired = (answer == requiredValue);
}
}