_field_ui_field_overview_form_validate_add_existing
function _field_ui_field_overview_form_validate_add_existing
_field_ui_field_overview_form_validate_add_existing($form, &$form_state)
Validates the 'add existing field' row of field_ui_field_overview_form().
See also
field_ui_field_overview_form_validate()
File
- modules/field_ui/field_ui.admin.inc, line 736
- Administrative interface for custom field type creation.
Code
function _field_ui_field_overview_form_validate_add_existing($form, &$form_state) { // The form element might be absent if no existing fields can be added to // this bundle. if (isset($form_state['values']['fields']['_add_existing_field'])) { $field = $form_state['values']['fields']['_add_existing_field']; // Validate if any information was provided in the 'add existing field' row. if (array_filter(array($field['label'], $field['field_name'], $field['widget_type']))) { // Missing label. if (!$field['label']) { form_set_error('fields][_add_existing_field][label', t('Add existing field: you need to provide a label.')); } // Missing existing field name. if (!$field['field_name']) { form_set_error('fields][_add_existing_field][field_name', t('Add existing field: you need to select a field.')); } // Missing widget type. if (!$field['widget_type']) { form_set_error('fields][_add_existing_field][widget_type', t('Add existing field: you need to select a widget.')); } // Wrong widget type. elseif ($field['field_name'] && ($existing_field = field_info_field($field['field_name']))) { $widget_types = field_ui_widget_type_options($existing_field['type']); if (!isset($widget_types[$field['widget_type']])) { form_set_error('fields][_add_existing_field][widget_type', t('Add existing field: invalid widget.')); } } } } }
© 2001–2016 by the original authors
Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/modules!field_ui!field_ui.admin.inc/function/_field_ui_field_overview_form_validate_add_existing/7.x