368     

   369     /**

   370      * Copy the tahg lst from one document instance to another

   371      * @param IRI\Bundle\WikitagBundle\Model\DocumentInterface $src_doc

   372      * @param IRI\Bundle\WikitagBundle\Model\DocumentInterface $tgt_doc

   373      */

   374     public function copyTags($src_doc, $tgt_doc)

   375     {

   376         //remove the previous tags

   377         foreach ($tgt_doc->getTags() as $doctag) {

   378             $this->getEntityManager()->remove($doctag);

   379         }

   380         

   381         // add the new ones

   382         foreach ($src_doc->getTags() as $doctag) {

   383             $new_doctag = clone $doctag;

   384             $new_doctag->setDocument($tgt_doc);

   385             $this->getEntityManager()->persist($new_doctag);

   386         }

   387         

   388         $tgt_doc->setManualOrder(false);

   389         $this->getEntityManager()->persist($tgt_doc);

   390     }