public static function WebformElementHelper::getRequiredFromVisibleStates in Webform 6.x

Same name and namespace in other branches

1. 8.5 src/Utility/WebformElementHelper.php \Drupal\webform\Utility\WebformElementHelper::getRequiredFromVisibleStates()

Get required #states from an element's visible #states.

This method allows composite and multiple to conditionally require sub-elements when they are visible.

Parameters

array $element: An element.

Return value

array An associative array containing 'visible' and 'invisible' selectors and triggers.

2 calls to WebformElementHelper::getRequiredFromVisibleStates()

WebformCompositeBase::processWebformCompositeElementsRecursive in src/Element/WebformCompositeBase.php

Recursively processes a composite's elements.

WebformMultiple::initializeElement in src/Element/WebformMultiple.php

Initialize element.

File

src/Utility/WebformElementHelper.php, line 821

Class

WebformElementHelper

Helper class webform element methods.

Namespace

Drupal\webform\Utility

Code

public static function getRequiredFromVisibleStates(array $element) {
  $states = WebformElementHelper::getStates($element);
  $required_states = [];
  if (!empty($states['visible'])) {
    $required_states['required'] = $states['visible'];
  }
  if (!empty($states['invisible'])) {
    $required_states['optional'] = $states['invisible'];
  }
  return $required_states;
}