forum_form_taxonomy_vocabulary_form_alter(&$form, FormStateInterface $form_state, $form_id)
Implements hook_form_BASE_FORM_ID_alter() for \Drupal\taxonomy\VocabularyForm.
File
- core/modules/forum/forum.module, line 288
- Provides discussion forums.
Code
function forum_form_taxonomy_vocabulary_form_alter(&$form, FormStateInterface $form_state, $form_id) { $vid = \Drupal::config('forum.settings')->get('vocabulary'); $vocabulary = $form_state->getFormObject()->getEntity(); if ($vid == $vocabulary->id()) { $form['help_forum_vocab'] = array( '#markup' => t('This is the designated forum vocabulary. Some of the normal vocabulary options have been removed.'), '#weight' => -1, ); // Forum's vocabulary always has single hierarchy. Forums and containers // have only one parent or no parent for root items. By default this value // is 0. $form['hierarchy']['#value'] = VocabularyInterface::HIERARCHY_SINGLE; // Do not allow to delete forum's vocabulary. $form['actions']['delete']['#access'] = FALSE; // Do not allow to change a vid of forum's vocabulary. $form['vid']['#disabled'] = TRUE; } }
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