function values_cck_field_settings_alter in Values 6

Implementation of hook_field_settings_alter().

File

./values_cck.module, line 11

Use reusable value sets as allowed values for CCK fields.

Code

function values_cck_field_settings_alter(&$form, $op, $field) {
  switch ($op) {
    case 'form':

      // Only provide Value sets for field types that allows values.
      if (!is_array($form['allowed_values_fieldset'])) {
        break;
      }
      $options = array(
        '' => t('- None -'),
      );
      foreach (values_load_all() as $values) {

        // Enforce numeric value sets for numeric fields
        $numeric = TRUE;
        if ($field['module'] == 'number') {
          if (is_array($values->data)) {
            foreach ($values->data as $value) {
              if (!is_numeric($value['value'])) {
                $numeric = FALSE;
              }
            }
          }
          if ($numeric) {
            $options[$values->name] = $values->description;
          }
        }
        else {

          // All other fields will be assumed string values
          $options[$values->name] = $values->description;
        }
      }
      $form['allowed_values_fieldset']['values_cck'] = array(
        '#type' => 'select',
        '#title' => t('Value sets'),
        '#description' => t('Select a reusable value set to use as allowed values for this field. Configure value sets !here. If this field is filled out, the values returned by this set will override the allowed values list below.', array(
          '!here' => l('here', 'admin/content/values'),
        )),
        '#options' => $options,
        '#default_value' => !empty($field['values_cck']) ? $field['values_cck'] : '',
        '#weight' => -10,
      );
      break;
    case 'save':
      $form = array_merge($form, array(
        'values_cck',
      ));
      break;
  }
}