/**
* Add validation so that if you change any fields that are considered frozen,
* it would add an error.
* In case of associations, if the count of the items has been changed,
* also add an error.
*
* @param Jam_Model $model
* @param Jam_Event_Data $data
*/
public function model_after_check(Jam_Model $model, Jam_Event_Data $data)
{
if ($model->loaded() and $model->is_frozen() and !$model->is_just_frozen()) {
foreach ($this->_associations as $name) {
if ($model->meta()->association($name) instanceof Jam_Association_Collection and count($model->{$name}) !== count($model->{$name}->original())) {
$model->errors()->add($name, 'frozen');
}
}
foreach ($this->_fields as $name) {
if ($model->changed($name)) {
$model->errors()->add($name, 'frozen');
}
}
}
}
