protected function BulkEditFormTrait::findFormElement in Views Bulk Edit 8.2

Finds the deepest most form element and returns it.

Parameters

array $form: The form element we're searching.

string $title: The most recent non-empty title from previous form elements.

Return value

array|null The deepest most element if we can find it.

1 call to BulkEditFormTrait::findFormElement()

BulkEditFormTrait::getSelectorForm in src/Form/BulkEditFormTrait.php

Builds the selector form.

File

src/Form/BulkEditFormTrait.php, line 324

Class

BulkEditFormTrait

Common methods for Views Bulk Edit forms.

Namespace

Drupal\views_bulk_edit\Form

Code

protected function &findFormElement(array &$form, $title = NULL) {
  $element = NULL;
  foreach (Element::children($form) as $key) {

    // Not all levels have both #title and #type.
    // Attempt to inherit #title from previous iterations.
    // Some #titles are empty strings.  Ignore them.
    if (!empty($form[$key]['#title'])) {
      $title = $form[$key]['#title'];
    }
    elseif (!empty($form[$key]['title']['#value']) && !empty($form[$key]['title']['#type']) && $form[$key]['title']['#type'] === 'html_tag') {
      $title = $form[$key]['title']['#value'];
    }
    if (isset($form[$key]['#type']) && !empty($title)) {

      // Fix empty or missing #title in $form.
      if (empty($form[$key]['#title'])) {
        $form[$key]['#title'] = $title;
      }
      $element =& $form[$key];
      break;
    }
    elseif (is_array($form[$key])) {
      $element =& $this
        ->findFormElement($form[$key], $title);
    }
  }
  return $element;
}