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theme_field_multiple_value_form

7 field.form.inc theme_field_multiple_value_form($variables)

Returns HTML for an individual form element.

Combine multiple values into a table with drag-n-drop reordering. TODO : convert to a template.

Parameters

$variables: An associative array containing:

  • element: A render element representing the form element.

Related topics

File

drupal/modules/field/field.form.inc, line 246
Field forms management.

Code

function theme_field_multiple_value_form($variables) {
  $element = $variables['element'];
  $output = '';

  if ($element['#cardinality'] > 1 || $element['#cardinality'] == FIELD_CARDINALITY_UNLIMITED) {
    $table_id = drupal_html_id($element['#field_name'] . '_values');
    $order_class = $element['#field_name'] . '-delta-order';
    $required = !empty($element['#required']) ? '<span class="form-required" title="' . t('This field is required. ') . '">*</span>' : '';

    $header = array(
      array(
        'data' => '<label>' . t('!title: !required', array('!title' => $element['#title'], '!required' => $required)) . "</label>", 
        'colspan' => 2, 
        'class' => array('field-label'),
      ),
      t('Order'),
    );
    $rows = array();

    // Sort items according to '_weight' (needed when the form comes back after
    // preview or failed validation)
    $items = array();
    foreach (element_children($element) as $key) {
      if ($key === 'add_more') {
        $add_more_button = &$element[$key];
      }
      else {
        $items[] = &$element[$key];
      }
    }
    usort($items, '_field_sort_items_value_helper');

    // Add the items as table rows.
    foreach ($items as $key => $item) {
      $item['_weight']['#attributes']['class'] = array($order_class);
      $delta_element = drupal_render($item['_weight']);
      $cells = array(
        array(
          'data' => '',
          'class' => array('field-multiple-drag'),
        ),
        drupal_render($item),
        array(
          'data' => $delta_element,
          'class' => array('delta-order'),
        ),
      );
      $rows[] = array(
        'data' => $cells, 
        'class' => array('draggable'),
      );
    }

    $output = '<div class="form-item">';
    $output .= theme('table', array('header' => $header, 'rows' => $rows, 'attributes' => array('id' => $table_id, 'class' => array('field-multiple-table'))));
    $output .= $element['#description'] ? '<div class="description">' . $element['#description'] . '</div>' : '';
    $output .= '<div class="clearfix">' . drupal_render($add_more_button) . '</div>';
    $output .= '</div>';

    drupal_add_tabledrag($table_id, 'order', 'sibling', $order_class);
  }
  else {
    foreach (element_children($element) as $key) {
      $output .= drupal_render($element[$key]);
    }
  }

  return $output;
}