function form_process_weight in Drupal 7

Expands a weight element into a select element.

Related topics

1 call to form_process_weight()

FormElementTestCase::testWeightDefaultValue in modules/simpletest/tests/form.test

Tests Weight form element #default_value behavior.

1 string reference to 'form_process_weight'

system_element_info in modules/system/system.module

Implements hook_element_info().

File

includes/form.inc, line 4128

Functions for form and batch generation and processing.

Code

function form_process_weight($element) {
  $element['#is_weight'] = TRUE;

  // If the number of options is small enough, use a select field.
  $max_elements = variable_get('drupal_weight_select_max', DRUPAL_WEIGHT_SELECT_MAX);
  if ($element['#delta'] <= $max_elements) {
    $element['#type'] = 'select';
    $weights = array();
    for ($n = -1 * $element['#delta']; $n <= $element['#delta']; $n++) {
      $weights[$n] = $n;
    }
    if (isset($element['#default_value'])) {
      $default_value = (int) $element['#default_value'];
      if (!isset($weights[$default_value])) {
        $weights[$default_value] = $default_value;
        ksort($weights);
      }
    }
    $element['#options'] = $weights;
    $element += element_info('select');
  }
  else {
    $element['#type'] = 'textfield';

    // Use a field big enough to fit most weights.
    $element['#size'] = 10;
    $element['#element_validate'] = array(
      'element_validate_integer',
    );
    $element += element_info('textfield');
  }
  return $element;
}