/**
  * Returns the selected values of a field
  *
  * @param Tracker_FormElement_Field $field
  * @param array $value_field_list the selected values to test for the artifact
  *
  * @return array the selected values
  */
 function getSelectedValuesForField($field, $value_field_list)
 {
     if (!is_array($value_field_list)) {
         $value_field_list = array($value_field_list);
     }
     $selected_values = array();
     foreach ($value_field_list as $value_field) {
         $selected_values[] = $field->getBind()->formatArtifactValue($value_field);
     }
     return $selected_values;
 }