public function ParagraphsTypeForm::form

File

paragraphs/src/Form/ParagraphsTypeForm.php, line 66

Class

ParagraphsTypeForm

Form controller for paragraph type forms.

Namespace

Code

public function form(array $form, FormStateInterface $form_state) {
  $form = parent::form($form, $form_state);
  $paragraphs_type = $this->entity;
  if (!$paragraphs_type
    ->isNew()) {
    $form['#title'] = $this
      ->t('Edit %title paragraph type', [
      '%title' => $paragraphs_type
        ->label(),
    ]);
  }
  $form['label'] = array(
    '#type' => 'textfield',
    '#title' => $this
      ->t('Label'),
    '#maxlength' => 255,
    '#default_value' => $paragraphs_type
      ->label(),
    '#description' => $this
      ->t("Label for the Paragraphs type."),
    '#required' => TRUE,
  );
  $form['id'] = array(
    '#type' => 'machine_name',
    '#default_value' => $paragraphs_type
      ->id(),
    '#machine_name' => array(
      'exists' => 'paragraphs_type_load',
    ),
    '#maxlength' => 32,
    '#disabled' => !$paragraphs_type
      ->isNew(),
  );
  $form['icon_file'] = [
    '#title' => $this
      ->t('Paragraph type icon'),
    '#type' => 'managed_file',
    '#upload_location' => ParagraphsTypeInterface::ICON_UPLOAD_LOCATION,
    '#upload_validators' => [
      'file_validate_extensions' => [
        'png jpg svg',
      ],
    ],
  ];
  if ($file = $this->entity
    ->getIconFile()) {
    $form['icon_file']['#default_value'] = [
      'target_id' => $file
        ->id(),
    ];
  }
  $form['description'] = [
    '#title' => $this
      ->t('Description'),
    '#type' => 'textarea',
    '#default_value' => $paragraphs_type
      ->getDescription(),
    '#description' => $this
      ->t('This text will be displayed on the <em>Add new paragraph</em> page.'),
  ];

  // Loop over the plugins that can be applied to this paragraph type.
  if ($behavior_plugin_definitions = $this->paragraphsBehaviorManager
    ->getApplicableDefinitions($paragraphs_type)) {
    $form['message'] = [
      '#type' => 'container',
      '#markup' => $this
        ->t('Behavior plugins are only supported by the stable paragraphs widget.', [], [
        'context' => 'paragraphs',
      ]),
      '#attributes' => [
        'class' => [
          'messages',
          'messages--warning',
        ],
      ],
    ];
    $form['behavior_plugins'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Behaviors', [], [
        'context' => 'paragraphs',
      ]),
      '#tree' => TRUE,
      '#open' => TRUE,
    ];
    $config = $paragraphs_type
      ->get('behavior_plugins');

    // Alphabetically sort plugins by plugin label.
    uasort($behavior_plugin_definitions, function ($a, $b) {
      return strcmp($a['label'], $b['label']);
    });
    foreach ($behavior_plugin_definitions as $id => $behavior_plugin_definition) {
      $description = $behavior_plugin_definition['description'];
      $form['behavior_plugins'][$id]['enabled'] = [
        '#type' => 'checkbox',
        '#title' => $behavior_plugin_definition['label'],
        '#title_display' => 'after',
        '#description' => $description,
        '#default_value' => !empty($config[$id]['enabled']),
      ];
      $form['behavior_plugins'][$id]['settings'] = [];
      $subform_state = SubformState::createForSubform($form['behavior_plugins'][$id]['settings'], $form, $form_state);
      $behavior_plugin = $paragraphs_type
        ->getBehaviorPlugin($id);
      if ($settings = $behavior_plugin
        ->buildConfigurationForm($form['behavior_plugins'][$id]['settings'], $subform_state)) {
        $form['behavior_plugins'][$id]['settings'] = $settings + [
          '#type' => 'fieldset',
          '#title' => $behavior_plugin_definition['label'],
          '#states' => [
            'visible' => [
              ':input[name="behavior_plugins[' . $id . '][enabled]"]' => [
                'checked' => TRUE,
              ],
            ],
          ],
        ];
      }
    }
  }
  return $form;
}