public function WebformSubmissionConditionsValidator::isElementVisible in Webform 6.x

Same name and namespace in other branches

1. 8.5 src/WebformSubmissionConditionsValidator.php \Drupal\webform\WebformSubmissionConditionsValidator::isElementVisible()

Determine if an element is visible.

Parameters

array $element: An element.

\Drupal\webform\WebformSubmissionInterface $webform_submission: A webform submission.

Return value

bool TRUE if the element is visible.

Overrides WebformSubmissionConditionsValidatorInterface::isElementVisible

1 call to WebformSubmissionConditionsValidator::isElementVisible()

WebformSubmissionConditionsValidator::submitFormRecursive in src/WebformSubmissionConditionsValidator.php

Recursively unset submission data for form elements that are hidden.

File

src/WebformSubmissionConditionsValidator.php, line 499

Class

WebformSubmissionConditionsValidator

Webform submission conditions (#states) validator.

Namespace

Drupal\webform

Code

public function isElementVisible(array $element, WebformSubmissionInterface $webform_submission) {
  $states = WebformElementHelper::getStates($element);
  $visible = TRUE;
  foreach ($states as $state => $conditions) {
    if (!is_array($conditions)) {
      continue;
    }

    // Process state/negate.
    list($state, $negate) = $this
      ->processState($state);
    $result = $this
      ->validateConditions($conditions, $webform_submission);

    // Skip invalid conditions.
    if ($result === NULL) {
      continue;
    }

    // Negate the result.
    $result = $negate ? !$result : $result;

    // Apply result to element state.
    if (strpos($state, 'visible') === 0 && $result === FALSE) {
      $visible = FALSE;
    }
  }
  return $visible;
}