template_preprocess_field_multiple_value_form(&$variables)
Prepares variables for individual form element templates.
Default template: field-multiple-value-form.html.twig.
Combines multiple values into a table with drag-n-drop reordering.
Parameters
array $variables: An associative array containing:
- element: A render element representing the form element.
File
- core/includes/theme.inc, line 1587
- The theme system, which controls the output of Drupal.
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | function template_preprocess_field_multiple_value_form(&$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'; $header_attributes = new Attribute(array('class' => array('label'))); if (!empty($element['#required'])) { $header_attributes['class'][] = 'js-form-required'; $header_attributes['class'][] = 'form-required'; } $header = array( array( 'data' => array( '#prefix' => '<h4' . $header_attributes . '>', 'title' => array( '#markup' => $element['#title'], ), '#suffix' => '</h4>', ), 'colspan' => 2, 'class' => array('field-label'), ), t('Order', array(), array('context' => 'Sort order')), ); $rows = array(); // Sort items according to '_weight' (needed when the form comes back after // preview or failed validation). $items = array(); $variables['button'] = array(); foreach (Element::children($element) as $key) { if ($key === 'add_more') { $variables['button'] = &$element[$key]; } else { $items[] = &$element[$key]; } } usort($items, '_field_multiple_value_form_sort_helper'); // Add the items as table rows. foreach ($items as $item) { $item['_weight']['#attributes']['class'] = array($order_class); // 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 = array( array('data' => '', 'class' => array('field-multiple-drag')), array('data' => $item), array('data' => $delta_element, 'class' => array('delta-order')), ); $rows[] = array( 'data' => $cells, 'class' => array('draggable'), ); } $variables['table'] = array( '#type' => 'table', '#header' => $header, '#rows' => $rows, '#attributes' => array( 'id' => $table_id, 'class' => array('field-multiple-table'), ), '#tabledrag' => array( array( '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 { $variables['elements'] = array(); foreach (Element::children($element) as $key) { $variables['elements'][] = $element[$key]; } }} |
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