function content_multiple_value_after_build in Content Construction Kit (CCK) 6.3

After build callback for multiple value fields.

1 call to content_multiple_value_after_build()

content_multiple_value_after_build_proxy in ./content.module

Proxy function to call content_multiple_value_after_build(), because it might not be included yet when the form is processed and invokes the callback.

File

includes/content.node_form.inc, line 274

Create fields' form for a content type.

Code

function content_multiple_value_after_build($elements, &$form_state) {
  $items_map = array();
  foreach (element_children($elements) as $delta) {

    // Find delta items for this field when the form if being processed for validation.
    if (isset($elements[$delta]) && $elements[$delta] && is_numeric($delta) && !empty($elements[$delta]['#needs_validation'])) {

      // Find items that have been flagged for removal.
      if (isset($elements[$delta]['_remove']) && !empty($elements[$delta]['_remove']['#value'])) {

        // Update the value in the #post attribute of the elements.
        $post =& $elements[$delta]['#post'];
        foreach ($elements[$delta]['#parents'] as $name) {
          $post =& $post[$name];
        }
        $post = array(
          '_weight' => $elements[$delta]['_weight']['#value'],
          '_remove' => 1,
        );

        // Alter the value of this element and children recursively.
        content_multiple_value_after_build_recursive($elements[$delta], $elements[$delta]['#post']);
        $items_map[$delta] = TRUE;
      }
      else {
        $items_map[$delta] = FALSE;
      }
    }
  }

  // If the multiple values field is required, then make sure there's at
  // least one item not flagged for removal. This is necessary to point
  // the user to the correct form element when the validation error is
  // issued from content_multiple_value_nodeapi_validate().
  $items_count = count($items_map);
  if (!empty($elements['#required']) && $items_count > 0) {

    // If the number of removed items is equal to the total number of
    // items, then we'll reset the '_remove' flag of the first item, and
    // that will be used to point the user when the required field error
    // is issued by content_multiple_value_nodeapi_validate().
    if ($items_count == count(array_filter($items_map))) {
      $delta = key($items_map);
      if (isset($elements[$delta]['_remove'])) {
        $elements[$delta]['_remove']['#value'] = 0;
      }
    }
  }
  return $elements;
}