Further Drupal 8.6.4 changes. Some core files were not committed before a commit...
[yaffs-website] / web / core / modules / views_ui / src / ViewPreviewForm.php
1 <?php
2
3 namespace Drupal\views_ui;
4
5 use Drupal\Core\Form\FormStateInterface;
6 use Drupal\Core\Url;
7
8 /**
9  * Form controller for the Views preview form.
10  *
11  * @internal
12  */
13 class ViewPreviewForm extends ViewFormBase {
14
15   /**
16    * {@inheritdoc}
17    */
18   public function form(array $form, FormStateInterface $form_state) {
19     $view = $this->entity;
20
21     $form['#prefix'] = '<div id="views-preview-wrapper" class="views-preview-wrapper views-admin clearfix">';
22     $form['#suffix'] = '</div>';
23     $form['#id'] = 'views-ui-preview-form';
24
25     $form_state->disableCache();
26
27     $form['controls']['#attributes'] = ['class' => ['clearfix']];
28
29     $form['controls']['title'] = [
30       '#prefix' => '<h2 class="view-preview-form__title">',
31       '#markup' => $this->t('Preview'),
32       '#suffix' => '</h2>',
33     ];
34
35     // Add a checkbox controlling whether or not this display auto-previews.
36     $form['controls']['live_preview'] = [
37       '#type' => 'checkbox',
38       '#id' => 'edit-displays-live-preview',
39       '#title' => $this->t('Auto preview'),
40       '#default_value' => \Drupal::config('views.settings')->get('ui.always_live_preview'),
41     ];
42
43     // Add the arguments textfield
44     $form['controls']['view_args'] = [
45       '#type' => 'textfield',
46       '#title' => $this->t('Preview with contextual filters:'),
47       '#description' => $this->t('Separate contextual filter values with a "/". For example, %example.', ['%example' => '40/12/10']),
48       '#id' => 'preview-args',
49     ];
50
51     $args = [];
52     if (!$form_state->isValueEmpty('view_args')) {
53       $args = explode('/', $form_state->getValue('view_args'));
54     }
55
56     $user_input = $form_state->getUserInput();
57     if ($form_state->get('show_preview') || !empty($user_input['js'])) {
58       $form['preview'] = [
59         '#weight' => 110,
60         '#theme_wrappers' => ['container'],
61         '#attributes' => ['id' => 'views-live-preview', 'class' => ['views-live-preview']],
62         'preview' => $view->renderPreview($this->displayID, $args),
63       ];
64     }
65     $uri = $view->urlInfo('preview-form');
66     $uri->setRouteParameter('display_id', $this->displayID);
67     $form['#action'] = $uri->toString();
68
69     return $form;
70   }
71
72   /**
73    * {@inheritdoc}
74    */
75   protected function actions(array $form, FormStateInterface $form_state) {
76     $view = $this->entity;
77     return [
78       '#attributes' => [
79         'id' => 'preview-submit-wrapper',
80         'class' => ['preview-submit-wrapper'],
81       ],
82       'button' => [
83         '#type' => 'submit',
84         '#value' => $this->t('Update preview'),
85         '#attributes' => ['class' => ['arguments-preview']],
86         '#submit' => ['::submitPreview'],
87         '#id' => 'preview-submit',
88         '#ajax' => [
89           'url' => Url::fromRoute('entity.view.preview_form', ['view' => $view->id(), 'display_id' => $this->displayID]),
90           'wrapper' => 'views-preview-wrapper',
91           'event' => 'click',
92           'progress' => ['type' => 'fullscreen'],
93           'method' => 'replaceWith',
94           'disable-refocus' => TRUE,
95         ],
96       ],
97     ];
98   }
99
100   /**
101    * Form submission handler for the Preview button.
102    */
103   public function submitPreview($form, FormStateInterface $form_state) {
104     $form_state->set('show_preview', TRUE);
105     $form_state->setRebuild();
106   }
107
108 }