--- /dev/null
+<?php
+
+namespace Drupal\metatag\Form;
+
+use Drupal\Core\Form\ConfigFormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Defines the configuration export form.
+ */
+class MetatagSettingsForm extends ConfigFormBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getFormId() {
+ return 'metatag_admin_settings';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getEditableConfigNames() {
+ return ['metatag.settings'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildForm(array $form, FormStateInterface $form_state) {
+ $settings = $this->config('metatag.settings')->get('entity_type_groups');
+
+ $form['entity_type_groups'] = [
+ '#type' => 'details',
+ '#open' => TRUE,
+ '#title' => $this->t('Entity type / Group Mapping'),
+ '#description' => $this->t('Identify which metatag groups should be available on which entity type / bundle combination. Unselected groups will not appear on the configuration form for that entity type, reducing the size of the form and increasing performance. If no groups are selected for a type, all groups will appear.'),
+ '#tree' => TRUE,
+ ];
+
+ $metatag_manager = \Drupal::service('metatag.manager');
+ $bundle_manager = \Drupal::service('entity_type.bundle.info');
+ $metatag_groups = $metatag_manager->sortedGroups();
+ $entity_types = MetatagDefaultsForm::getSupportedEntityTypes();
+ foreach ($entity_types as $entity_type => $entity_label) {
+ $bundles = $bundle_manager->getBundleInfo($entity_type);
+ foreach ($bundles as $bundle_id => $bundle_info) {
+ // Create an option list for each bundle.
+ $options = [];
+ foreach ($metatag_groups as $group_name => $group_info) {
+ $options[$group_name] = $group_info['label'];
+ }
+ // Format a collapsible fieldset for each group for easier readability.
+ $form['entity_type_groups'][$entity_type][$bundle_id] = [
+ '#type' => 'details',
+ '#title' => $entity_label . ': ' . $bundle_info['label'],
+ ];
+ $form['entity_type_groups'][$entity_type][$bundle_id][] = [
+ '#type' => 'checkboxes',
+ '#options' => $options,
+ '#default_value' => isset($settings[$entity_type]) && isset($settings[$entity_type][$bundle_id]) ? $settings[$entity_type][$bundle_id] : [],
+ ];
+ }
+ }
+
+ return parent::buildForm($form, $form_state);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function submitForm(array &$form, FormStateInterface $form_state) {
+ $settings = $this->config('metatag.settings');
+ $value = $form_state->getValue('entity_type_groups');
+ $value = static::arrayFilterRecursive($value);
+ // Remove the extra layer created by collapsible fieldsets.
+ foreach ($value as $entity_type => $bundle) {
+ foreach ($bundle as $bundle_id => $groups) {
+ $value[$entity_type][$bundle_id] = $groups[0];
+ }
+ }
+ $settings->set('entity_type_groups', $value)->save();
+ parent::submitForm($form, $form_state);
+ }
+
+ /**
+ * Recursively filter results.
+ *
+ * @param array $input
+ * The array to filter.
+ *
+ * @return array
+ * The filtered array.
+ */
+ public static function arrayFilterRecursive(array $input) {
+ foreach ($input as &$value) {
+ if (is_array($value)) {
+ $value = static::arrayFilterRecursive($value);
+ }
+ }
+ return array_filter($input);
+ }
+
+}