function paragraphs_sets_preprocess_field_multiple_value_form__paragraphs_sets in Paragraphs Sets 8.2

Same name and namespace in other branches

1. 8 paragraphs_sets.module \paragraphs_sets_preprocess_field_multiple_value_form__paragraphs_sets()

Overrides variables used in field-multiple-value-form.html.twig for sets.

See also

template_preprocess_field_multiple_value_form()

File

./paragraphs_sets.module, line 400

Main functions of paragraphs_sets.module.

Code

function paragraphs_sets_preprocess_field_multiple_value_form__paragraphs_sets(&$variables) {
  $element = $variables['element'];
  $variables['multiple'] = $element['#cardinality_multiple'];
  if ($variables['multiple']) {
    $table_id = Html::getUniqueId($element['#field_name'] . '_values');
    $order_class = $element['#field_name'] . '-delta-order';
    $rows = [];

    // Sort items according to '_weight' (needed when the form comes back after
    // preview or failed validation).
    $items = [];
    $variables['button'] = [];
    $variables['selection'] = [];
    foreach (Element::children($element) as $key) {
      if ($key === 'add_more') {
        $variables['button'] =& $element[$key];
      }
      elseif ($key === 'set_selection') {
        $variables['selection'] =& $element[$key];
      }
      elseif ($key === 'header_actions') {
        $variables['header_actions'] =& $element[$key];
      }
      elseif (!empty($element[$key]['#paragraphs_bundle'])) {
        $items[] =& $element[$key];
      }
    }
    usort($items, '_field_multiple_value_form_sort_helper');

    // Add the items as table rows.
    foreach ($items as $item) {
      $item['_weight']['#attributes']['class'] = [
        $order_class,
      ];
      $item['#attributes']['data-paragraphs-bundle'] = $item['#paragraphs_bundle'];

      // Remove weight form element from item render array so it can be rendered
      // in a separate table column.
      $delta_element = $item['_weight'];
      unset($item['_weight']);
      $cells = [
        [
          'data' => '',
          'class' => [
            'field-multiple-drag',
          ],
        ],
        [
          'data' => $item,
        ],
        [
          'data' => $delta_element,
          'class' => [
            'delta-order',
          ],
        ],
      ];
      $rows[] = [
        'data' => $cells,
        'class' => [
          'draggable',
          'paragraphs-item',
          Html::getClass("paragraphs-item--{$item['#paragraphs_bundle']}"),
        ],
      ];
    }
    $header_attributes = new Attribute([
      'class' => [
        'label',
      ],
    ]);
    if (!empty($element['#required'])) {
      $header_attributes['class'][] = 'js-form-required';
      $header_attributes['class'][] = 'form-required';
    }
    $header = [
      [
        'data' => [
          '#prefix' => '<h4' . $header_attributes . '>',
          '#markup' => $element['#title'],
          '#suffix' => '</h4>',
        ],
        'colspan' => 2,
        'class' => [
          'field-label',
        ],
      ],
      t('Order', [], [
        'context' => 'Sort order',
      ]),
    ];
    if (!empty($variables['header_actions'])) {
      $header[0]['data'] = [
        'title' => $header[0]['data'],
        'button' => $variables['header_actions'],
      ];
    }
    $variables['table'] = [
      '#type' => 'table',
      '#header' => $header,
      '#rows' => $rows,
      '#attributes' => [
        'id' => $table_id,
        'class' => [
          'field-multiple-table',
        ],
      ],
      '#tabledrag' => [
        [
          'action' => 'order',
          'relationship' => 'sibling',
          'group' => $order_class,
        ],
      ],
    ];
    if (!empty($element['#description'])) {
      $description_id = $element['#attributes']['aria-describedby'];
      $description_attributes['id'] = $description_id;
      $variables['description']['attributes'] = new Attribute($description_attributes);
      $variables['description']['content'] = $element['#description'];

      // Add the description's id to the table aria attributes.
      $variables['table']['#attributes']['aria-describedby'] = $element['#attributes']['aria-describedby'];
    }
  }
  else {
    $variables['elements'] = [];
    $variables['selection'] = [];
    foreach (Element::children($element) as $key) {
      if ($key === 'set_selection') {
        $variables['selection'] =& $element[$key];
      }
      else {
        $variables['elements'][] = $element[$key];
      }
    }
  }

  // Call paragraphs_preprocess_field_multiple_value_form() to fix table header.
  call_user_func_array('paragraphs_preprocess_field_multiple_value_form', [
    &$variables,
  ]);
}