disable_field.module in Disable Field 8.2

Allows to disable field of entities on the forms.

File

disable_field.module

<?php

/**
 * @file
 * Allows to disable field of entities on the forms.
 */
use Drupal\Core\Config\Entity\ThirdPartySettingsInterface;
use Drupal\Core\Entity\EntityFormInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 *
 * {@inheritdoc}
 */
function disable_field_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {

    // Main module help for the disable_field module.
    case 'help.page.disable_field':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t("This module help(s) you to disable the field of any content type.") . '</p>';
      return $output;
    default:
  }
}

/**
 * Implements hook_form_BASE_FORM_ID_alter() for 'field_config_edit_form'.
 */
function disable_field_form_field_config_edit_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  \Drupal::service('disable_field.config_form_builder')
    ->addDisableFieldConfigFormToEntityForm($form, $form_state, $form_id);
}

/**
 * Implements hook_form_BASE_FORM_ID_alter() for 'base_field_override_edit_form'.
 */
function disable_field_form_base_field_override_edit_form_alter(&$form, &$form_state, $form_id) {
  \Drupal::service('disable_field.config_form_builder')
    ->addDisableFieldConfigFormToEntityForm($form, $form_state, $form_id);
}

/**
 * Implements hook_field_widget_multivalue_form_alter().
 */
function disable_field_field_widget_multivalue_form_alter(&$elements, FormStateInterface $form_state, array $context) {

  // Don't disable fields on the field config edit form.
  if ($form_state
    ->getFormObject()
    ->getFormId() === 'field_config_edit_form') {
    return;
  }

  // Don't disable fields when we're not on an entity form.
  if (!$form_state
    ->getFormObject() instanceof EntityFormInterface) {
    return;
  }

  // Check if we can get the third party settings.
  if (!$context['items']
    ->getFieldDefinition() instanceof ThirdPartySettingsInterface) {
    return;
  }
  $user_roles = \Drupal::currentUser()
    ->getRoles();
  $disable_field = $context['items']
    ->getFieldDefinition()
    ->getThirdPartySettings('disable_field');
  $entity = $form_state
    ->getFormObject()
    ->getEntity();
  $operation = $entity
    ->id() ? 'edit' : 'add';
  if (empty($disable_field["{$operation}_disable"])) {
    return;
  }
  switch ($disable_field["{$operation}_disable"]) {
    case 'all':
      $elements['#disabled'] = TRUE;
      break;
    case 'roles':
      $disable_check = array_diff($disable_field["{$operation}_roles"], $user_roles);
      if (count($disable_check) < count($disable_field["{$operation}_roles"])) {
        $elements['#disabled'] = TRUE;
      }
      break;
    case 'roles_enable':
      $enable_check = array_intersect($disable_field["{$operation}_roles"], $user_roles);
      if (empty($enable_check)) {
        $elements['#disabled'] = TRUE;
        break;
      }
  }
}

Functions

Name	Description
disable_field_field_widget_multivalue_form_alter	Implements hook_field_widget_multivalue_form_alter().
disable_field_form_base_field_override_edit_form_alter	Implements hook_form_BASE_FORM_ID_alter() for 'base_field_override_edit_form'.
disable_field_form_field_config_edit_form_alter	Implements hook_form_BASE_FORM_ID_alter() for 'field_config_edit_form'.
disable_field_help	Implements hook_help().