/**
* @param ComponentInterface $source
* @param FormState $state
* @param array $params
* @return bool
* @throws FormException
*/
public function isValid(ComponentInterface $source, FormState $state, array $params = array())
{
if (!isset($params[0])) {
throw new FormException(sprintf("Missing callable for condition of type 'callback' for component '%s'!", $source->getId()), 'condition.missingCallback');
} elseif (!is_callable($params[0])) {
throw new FormException(sprintf("Invalid callable for condition of type 'callback' for component '%s'!", $source->getId()), 'condition.incorrectCallback');
}
if (isset($params[1]) && (bool) $params[1]) {
return call_user_func($params[0], $source, $state);
} else {
return call_user_func($params[0], $source);
}
}
/**
* @param ComponentInterface $source
* @param FormState $state
* @param $inputName
* @param string $validator
* @param ...$params
* @return bool
*/
public function validate(ComponentInterface $source, FormState $state, $inputName, $validator = Validator::HAS_VALUE, ...$params)
{
// if the input has no value (NULL), always return false
if ($state->hasValue($inputName, $source->getParent()) === false) {
return false;
}
// try to get the validator from the services
$validator = $state->getServices()->getValidators()->get($validator);
// get the current value for the target component
$sourceValue = $state->getValue($inputName, $source->getParent());
// return if the validator validates
return $validator->validate($sourceValue, $params);
}
/**
* @param ComponentInterface $source
* @param FormState $state
* @param string $validator
* @param ...$params
* @return bool
*/
public function evaluate(ComponentInterface $source, FormState $state, $validator = Validator::HAS_VALUE, ...$params)
{
//print_rf($source->getValue());
// if it is not a data unit component, always return false
if (!$source instanceof DataUnitComponentInterface) {
return false;
}
// try to get the validator from the services
$validator = $state->getServices()->getValidators()->get($validator);
//print_rf($source->describe());
//exit;
// return if the validator validates
return $validator->validate($source->getValue(), $params);
}
/**
* @param ComponentInterface $component
*/
public function registerComponent(ComponentInterface $component)
{
$this->componentsById[$component->getFullId()] = $component;
// register value if it is a data unit
if ($component instanceof DataUnitComponentInterface) {
if (!$component->shouldIgnoreValue()) {
$this->values[$component->getFullName()] = $component->getValue();
}
$this->componentsByName[$component->getFullName()] = $component;
}
}
/**
* @param ComponentInterface $component
* @return string
*/
protected function replaceParentFullName(ComponentInterface $component)
{
$parent = $component->getParent();
if (is_null($parent)) {
return '';
} elseif ($parent instanceof DataUnitComponentInterface) {
return $this->processPath($parent->getFullName());
}
return '';
}
