/**
* Limit Rule save
*
* @param Mage_Rule_Model_Rule $model
* @return void
*/
public function ruleSaveBefore($model)
{
$originalWebsiteIds = Mage::helper('enterprise_admingws')->explodeIds($model->getOrigData('website_ids'));
$websiteIds = Mage::helper('enterprise_admingws')->explodeIds($model->getData('website_ids'));
if (!$model->getId() && !$this->_role->getIsWebsiteLevel()) {
$this->_throwSave();
}
if ($model->getId() && !$this->_role->hasWebsiteAccess($websiteIds)) {
$this->_throwSave();
}
$model->setData('website_ids', implode(',', $this->_forceAssignToWebsite($this->_updateSavingWebsiteIds($websiteIds, $originalWebsiteIds))));
}