function eck_form_field_ui_field_overview_form_validate in Entity Construction Kit (ECK) 7.3

Validates the add property as extra field of field_ui_field_overview_form().

See also

eck_form_field_ui_field_overview_form_alter()

field_ui_field_overview_form_validate()

1 string reference to 'eck_form_field_ui_field_overview_form_validate'

eck_form_field_ui_field_overview_form_alter in ./eck.module

Adds a manage properties section.

File

./eck.module, line 924

Code

function eck_form_field_ui_field_overview_form_validate($form, &$form_state) {

  // The form element might be absent if no existing fields can be added to
  // this bundle.
  if (isset($form_state['values']['fields']['_eck_add_extra_field'])) {
    $extra_field = $form_state['values']['fields']['_eck_add_extra_field'];

    // Validate if any information was provided in the 'add existing field' row.
    $array = array(
      $extra_field['label'],
      $extra_field['field_name'],
      $extra_field['widget_type'],
    );
    if (array_filter($array)) {

      // Missing label.
      if (!$extra_field['label']) {
        form_set_error('fields][_eck_add_extra_field][label', t('Add property as extra field: you need to provide a label.'));
      }

      // Missing existing field name.
      if (!$extra_field['field_name']) {
        form_set_error('fields][_eck_add_extra_field][field_name', t('Add property as extra field: you need to select a field.'));
      }

      // Wrong property for this bundle.
      $entity_type = entity_type_load($form['#entity_type']);
      if (!isset($entity_type->properties[$extra_field['field_name']])) {
        form_set_error('fields][_eck_add_extra_field][field_name', t('Add property as extra field: invalid property for this bundle.'));
      }

      // Missing widget type.
      if (!$extra_field['widget_type']) {
        form_set_error('fields][_eck_add_extra_field][widget_type', t('Add property as extra field: you need to select a widget.'));
      }
      elseif ($extra_field['field_name'] && ($existing_field = field_info_field($extra_field['field_name']))) {
        $entity_type = entity_type_load($form['#entity_type']);
        $widget_types = eck_property_widget_type_options($entity_type->properties[$extra_field['field_name']]['type']);
        if (!isset($widget_types[$extra_field['widget_type']])) {
          form_set_error('fields][_eck_add_extra_field][widget_type', t('Add property as extra field: invalid widget.'));
        }
      }
    }
  }
}