EditDetails.php

<?php

namespace Drupal\views_ui\Form\Ajax;

use Drupal\Core\Form\FormStateInterface;
use Drupal\views\Views;

/**
 * Provides a form for editing the details of a View.
 *
 * @internal
 */
class EditDetails extends ViewsFormBase {
    
    /**
     * {@inheritdoc}
     */
    public function getFormKey() {
        return 'edit-details';
    }
    
    /**
     * {@inheritdoc}
     */
    public function getFormId() {
        return 'views_ui_edit_details_form';
    }
    
    /**
     * {@inheritdoc}
     */
    public function buildForm(array $form, FormStateInterface $form_state) {
        $view = $form_state->get('view');
        $form['#title'] = $this->t('Name and description');
        $form['#section'] = 'details';
        $form['details'] = [
            '#theme_wrappers' => [
                'container',
            ],
            '#attributes' => [
                'class' => [
                    'scroll',
                ],
                'data-drupal-views-scroll' => TRUE,
            ],
        ];
        $form['details']['label'] = [
            '#type' => 'textfield',
            '#title' => t('Administrative name'),
            '#default_value' => $view->label(),
        ];
        $form['details']['langcode'] = [
            '#type' => 'language_select',
            '#title' => $this->t('View language'),
            '#description' => $this->t('Language of labels and other textual elements in this view.'),
            '#default_value' => $view->get('langcode'),
        ];
        $form['details']['description'] = [
            '#type' => 'textfield',
            '#title' => t('Administrative description'),
            '#default_value' => $view->get('description'),
        ];
        $form['details']['tag'] = [
            '#type' => 'textfield',
            '#title' => t('Administrative tags'),
            '#description' => t('Enter a comma-separated list of words to describe your view.'),
            '#default_value' => $view->get('tag'),
            '#autocomplete_route_name' => 'views_ui.autocomplete',
        ];
        $view->getStandardButtons($form, $form_state, 'views_ui_edit_details_form');
        return $form;
    }
    
    /**
     * {@inheritdoc}
     */
    public function submitForm(array &$form, FormStateInterface $form_state) {
        $view = $form_state->get('view');
        foreach ($form_state->getValues() as $key => $value) {
            // Only save values onto the view if they're actual view properties
            // (as opposed to 'op' or 'form_build_id').
            if (isset($form['details'][$key])) {
                $view->set($key, $value);
            }
        }
        $bases = Views::viewsData()->fetchBaseTables();
        $page_title = $view->label();
        if (isset($bases[$view->get('base_table')])) {
            $page_title .= ' (' . $bases[$view->get('base_table')]['title'] . ')';
        }
        $form_state->set('page_title', $page_title);
        $view->cacheSet();
    }

}