Implements hook_form_FORM_ID_alter() for field_storage_config_edit_form.
File
- core/
modules/ field_ui/ tests/ modules/ field_ui_test_deprecated/ field_ui_test_deprecated.module, line 15 - Field UI test module.
Code
function field_ui_test_deprecated_form_field_storage_config_edit_form_alter(&$form, FormStateInterface $form_state) {
if (!$form_state
->getFormObject() instanceof FieldStorageConfigEditForm) {
throw new \LogicException('field_storage_config_edit_form() expects to get access to the field storage config entity edit form.');
}
if (!$form_state
->getFormObject()
->getEntity() instanceof FieldStorageConfigInterface) {
throw new \LogicException('field_storage_config_edit_form() expects to get access to the field storage config entity.');
}
if (!isset($form['cardinality_container']['cardinality'])) {
throw new \LogicException('field_storage_config_edit_form() expects to that the cardinality container with the cardinality form element exists.');
}
$form['cardinality_container']['hello'] = [
'#markup' => 'Greetings from the field_storage_config_edit_form() alter.',
];
}