public static Checkboxes::processCheckboxes(&$element, FormStateInterface $form_state, &$complete_form)
Processes a checkboxes form element.
File
- core/lib/Drupal/Core/Render/Element/Checkboxes.php, line 55
Class
- Checkboxes
- Provides a form element for a set of checkboxes.
Namespace
Drupal\Core\Render\Element
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | public static function processCheckboxes(&$element, FormStateInterface $form_state, &$complete_form) { $value = is_array($element['#value']) ? $element['#value'] : array(); $element['#tree'] = TRUE; if (count($element['#options']) > 0) { if (!isset($element['#default_value']) || $element['#default_value'] == 0) { $element['#default_value'] = array(); } $weight = 0; foreach ($element['#options'] as $key => $choice) { // Integer 0 is not a valid #return_value, so use '0' instead. // @see \Drupal\Core\Render\Element\Checkbox::valueCallback(). // @todo For Drupal 8, cast all integer keys to strings for consistency // with \Drupal\Core\Render\Element\Radios::processRadios(). if ($key === 0) { $key = '0'; } // Maintain order of options as defined in #options, in case the element // defines custom option sub-elements, but does not define all option // sub-elements. $weight += 0.001; $element += array($key => array()); $element[$key] += array( '#type' => 'checkbox', '#title' => $choice, '#return_value' => $key, '#default_value' => isset($value[$key]) ? $key : NULL, '#attributes' => $element['#attributes'], '#ajax' => isset($element['#ajax']) ? $element['#ajax'] : NULL, // Errors should only be shown on the parent checkboxes element. '#error_no_message' => TRUE, '#weight' => $weight, ); } } return $element;} |
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