function VocabularyForm::form

Overrides EntityForm::form

File

core/modules/taxonomy/src/VocabularyForm.php, line 48

Class

VocabularyForm

Base form for vocabulary edit forms.

Namespace

Code

public function form(array $form, FormStateInterface $form_state) {
    $vocabulary = $this->entity;
    if ($vocabulary->isNew()) {
        $form['#title'] = $this->t('Add vocabulary');
    }
    else {
        $form['#title'] = $this->t('Edit vocabulary');
    }
    $form['name'] = [
        '#type' => 'textfield',
        '#title' => $this->t('Name'),
        '#default_value' => $vocabulary->label(),
        '#maxlength' => 255,
        '#required' => TRUE,
    ];
    $form['vid'] = [
        '#type' => 'machine_name',
        '#default_value' => $vocabulary->id(),
        '#maxlength' => EntityTypeInterface::BUNDLE_MAX_LENGTH,
        '#machine_name' => [
            'exists' => [
                $this,
                'exists',
            ],
            'source' => [
                'name',
            ],
        ],
    ];
    $form['description'] = [
        '#type' => 'textfield',
        '#title' => $this->t('Description'),
        '#default_value' => $vocabulary->getDescription(),
    ];
    // $form['langcode'] is not wrapped in an
    // if ($this->moduleHandler->moduleExists('language')) check because the
    // language_select form element works also without the language module being
    // installed. https://www.drupal.org/node/1749954 documents the new element.
    $form['langcode'] = [
        '#type' => 'language_select',
        '#title' => $this->t('Vocabulary language'),
        '#languages' => LanguageInterface::STATE_ALL,
        '#default_value' => $vocabulary->language()
            ->getId(),
    ];
    if ($this->moduleHandler
        ->moduleExists('language')) {
        $form['default_terms_language'] = [
            '#type' => 'details',
            '#title' => $this->t('Term language'),
            '#open' => TRUE,
        ];
        $form['default_terms_language']['default_language'] = [
            '#type' => 'language_configuration',
            '#entity_information' => [
                'entity_type' => 'taxonomy_term',
                'bundle' => $vocabulary->id(),
            ],
            '#default_value' => ContentLanguageSettings::loadByEntityTypeBundle('taxonomy_term', $vocabulary->id()),
        ];
    }
    // Set the hierarchy to "multiple parents" by default. This simplifies the
    // vocabulary form and standardizes the term form.
    $form['hierarchy'] = [
        '#type' => 'value',
        '#value' => '0',
    ];
    $form = parent::form($form, $form_state);
    return $this->protectBundleIdElement($form);
}