www.aleph1.co.uk Git - yaffs-website/blob - web/modules/contrib/paragraphs/src/Form/ParagraphsTypeForm.php

   1 <?php
   2
   3 namespace Drupal\paragraphs\Form;
   4
   5 use Drupal\Core\Entity\EntityForm;
   6 use Drupal\Core\Form\FormStateInterface;
   7 use Drupal\Core\Form\SubformState;
   8 use Drupal\field_ui\FieldUI;
   9 use Drupal\paragraphs\ParagraphsBehaviorManager;
  10 use Symfony\Component\DependencyInjection\ContainerInterface;
  11
  12 /**
  13  * Form controller for paragraph type forms.
  14  */
  15 class ParagraphsTypeForm extends EntityForm {
  16
  17   /**
  18    * The paragraphs behavior plugin manager service.
  19    *
  20    * @var \Drupal\paragraphs\ParagraphsBehaviorManager
  21    */
  22   protected $paragraphsBehaviorManager;
  23
  24   /**
  25    * The entity being used by this form.
  26    *
  27    * @var \Drupal\paragraphs\ParagraphsTypeInterface
  28    */
  29   protected $entity;
  30
  31   /**
  32    * GeneralSettingsForm constructor.
  33    *
  34    * @param \Drupal\paragraphs\ParagraphsBehaviorManager $paragraphs_behavior_manager
  35    *   The paragraphs type feature manager service.
  36    */
  37   public function __construct(ParagraphsBehaviorManager $paragraphs_behavior_manager) {
  38     $this->paragraphsBehaviorManager = $paragraphs_behavior_manager;
  39   }
  40
  41   /**
  42    * {@inheritdoc}
  43    */
  44   public static function create(ContainerInterface $container) {
  45     return new static(
  46       $container->get('plugin.manager.paragraphs.behavior')
  47     );
  48   }
  49
  50   /**
  51    * {@inheritdoc}
  52    */
  53   public function form(array $form, FormStateInterface $form_state) {
  54     $form = parent::form($form, $form_state);
  55
  56     $paragraphs_type = $this->entity;
  57
  58     if (!$paragraphs_type->isNew()) {
  59       $form['#title'] = (t('Edit %title paragraph type', [
  60         '%title' => $paragraphs_type->label(),
  61       ]));
  62     }
  63
  64     $form['label'] = array(
  65       '#type' => 'textfield',
  66       '#title' => $this->t('Label'),
  67       '#maxlength' => 255,
  68       '#default_value' => $paragraphs_type->label(),
  69       '#description' => $this->t("Label for the Paragraphs type."),
  70       '#required' => TRUE,
  71     );
  72
  73     $form['id'] = array(
  74       '#type' => 'machine_name',
  75       '#default_value' => $paragraphs_type->id(),
  76       '#machine_name' => array(
  77         'exists' => 'paragraphs_type_load',
  78       ),
  79       '#disabled' => !$paragraphs_type->isNew(),
  80     );
  81
  82     // Loop over the plugins that can be applied to this paragraph type.
  83     if ($behavior_plugin_definitions = $this->paragraphsBehaviorManager->getApplicableDefinitions($paragraphs_type)) {
  84       $form['message'] = [
  85         '#type' => 'container',
  86         '#markup' => $this->t('Behavior plugins are only supported by the EXPERIMENTAL paragraphs widget.'),
  87         '#attributes' => ['class' => ['messages', 'messages--warning']]
  88       ];
  89       $form['behavior_plugins'] = [
  90         '#type' => 'details',
  91         '#title' => $this->t('Behaviors'),
  92         '#tree' => TRUE,
  93         '#open' => TRUE
  94       ];
  95       $config = $paragraphs_type->get('behavior_plugins');
  96       foreach ($behavior_plugin_definitions as $id => $behavior_plugin_definition) {
  97         $description = $behavior_plugin_definition['description'];
  98         $form['behavior_plugins'][$id]['enabled'] = [
  99           '#type' => 'checkbox',
 100           '#title' => $behavior_plugin_definition['label'],
 101           '#title_display' => 'after',
 102           '#description' => $description,
 103           '#default_value' => !empty($config[$id]['enabled']),
 104         ];
 105         $form['behavior_plugins'][$id]['settings'] = [];
 106         $subform_state = SubformState::createForSubform($form['behavior_plugins'][$id]['settings'], $form, $form_state);
 107         $behavior_plugin = $paragraphs_type->getBehaviorPlugin($id);
 108         if ($settings = $behavior_plugin->buildConfigurationForm($form['behavior_plugins'][$id]['settings'], $subform_state)) {
 109           $form['behavior_plugins'][$id]['settings'] = $settings + [
 110             '#type' => 'fieldset',
 111             '#title' => $behavior_plugin_definition['label'],
 112             '#states' => [
 113               'visible' => [
 114                   ':input[name="behavior_plugins[' . $id . '][enabled]"]' => ['checked' => TRUE],
 115               ]
 116             ]
 117           ];
 118         }
 119       }
 120     }
 121
 122     return $form;
 123   }
 124
 125   /**
 126    * {@inheritdoc}
 127    */
 128   public function validateForm(array &$form, FormStateInterface $form_state) {
 129     parent::validateForm($form, $form_state);
 130
 131     $paragraphs_type = $this->entity;
 132
 133     if ($behavior_plugin_definitions = $this->paragraphsBehaviorManager->getApplicableDefinitions($paragraphs_type)) {
 134       foreach ($behavior_plugin_definitions as $id => $behavior_plugin_definition) {
 135         // Only validate if the plugin is enabled and has settings.
 136         if (isset($form['behavior_plugins'][$id]['settings']) && $form_state->getValue(['behavior_plugins', $id, 'enabled'])) {
 137           $subform_state = SubformState::createForSubform($form['behavior_plugins'][$id]['settings'], $form, $form_state);
 138           $behavior_plugin = $paragraphs_type->getBehaviorPlugin($id);
 139           $behavior_plugin->validateConfigurationForm($form['behavior_plugins'][$id]['settings'], $subform_state);
 140         }
 141       }
 142     }
 143   }
 144
 145   /**
 146    * {@inheritdoc}
 147    */
 148   public function save(array $form, FormStateInterface $form_state) {
 149     $paragraphs_type = $this->entity;
 150
 151     if ($behavior_plugin_definitions = $this->paragraphsBehaviorManager->getApplicableDefinitions($paragraphs_type)) {
 152       foreach ($behavior_plugin_definitions as $id => $behavior_plugin_definition) {
 153         $behavior_plugin = $paragraphs_type->getBehaviorPlugin($id);
 154
 155         // If the behavior is enabled, initialize the configuration with the
 156         // enabled key and then let it process the form input.
 157         if ($form_state->getValue(['behavior_plugins', $id, 'enabled'])) {
 158           $behavior_plugin->setConfiguration(['enabled' => TRUE]);
 159           if (isset($form['behavior_plugins'][$id]['settings'])) {
 160             $subform_state = SubformState::createForSubform($form['behavior_plugins'][$id]['settings'], $form, $form_state);
 161             $behavior_plugin->submitConfigurationForm($form['behavior_plugins'][$id]['settings'], $subform_state);
 162           }
 163         }
 164         else {
 165           // The plugin is not enabled, reset to default configuration.
 166           $behavior_plugin->setConfiguration([]);
 167         }
 168       }
 169     }
 170
 171     $status = $paragraphs_type->save();
 172     drupal_set_message($this->t('Saved the %label Paragraphs type.', array(
 173       '%label' => $paragraphs_type->label(),
 174     )));
 175     if (($status == SAVED_NEW && \Drupal::moduleHandler()->moduleExists('field_ui'))
 176       && $route_info = FieldUI::getOverviewRouteInfo('paragraph', $paragraphs_type->id())) {
 177       $form_state->setRedirectUrl($route_info);
 178     }
 179     else {
 180       $form_state->setRedirect('entity.paragraphs_type.collection');
 181     }
 182   }
 183
 184   /**
 185    * {@inheritdoc}
 186    */
 187   protected function actions(array $form, FormStateInterface $form_state) {
 188     $form = parent::actions($form, $form_state);
 189
 190     // We want to display the button only on add page.
 191     if ($this->entity->isNew() && \Drupal::moduleHandler()->moduleExists('field_ui')) {
 192       $form['submit']['#value'] = $this->t('Save and manage fields');
 193     }
 194
 195     return $form;
 196   }
 197
 198 }