function _exif_field_widget_image_field_validate

Implementation of #element_validate FAPI Hook.

1 string reference to '_exif_field_widget_image_field_validate'

exif_field_widget_settings_form in ./exif.module

Implements hook_widget_settings().

File

./exif.module, line 789

Code

function _exif_field_widget_image_field_validate($element, &$form_state) {
    $image_field_settings = $form_state['values']['instance']['widget']['settings']['image_field'];
    if (empty($image_field_settings)) {
        form_error($element, t('you must choose at least one image field to retrieve metadata.'));
    }
}