[PagePartBundle] Fixed error when moving page parts into a different region (#173)

src/Kunstmaan/PagePartBundle/PagePartAdmin/PagePartAdmin.php

@@ -207,10 +207,12 @@ public function preBindRequest(Request $request)
             foreach ($sequences as $sequence) {
                 if (array_key_exists($sequence, $this->newPageParts)) {
                     $this->pageParts[$sequence] = $this->newPageParts[$sequence];
-                } else {
+                } elseif (array_key_exists($sequence, $tempPageparts)) {
                     $this->pageParts[$sequence] = $tempPageparts[$sequence];
-                }
+                } else
+                    $this->pageParts[$sequence] = $this->getPagePart($sequence, array_search($sequence, $sequences)+1);
             }
+
             unset($tempPageparts);
         }
     }
@@ -358,6 +360,18 @@ public function getType(AbstractPagePart $pagepart)
         return "no name";
     }
 
+    /**
+     * @param bigint $id
+     * @param int    $sequenceNumber
+     *
+     * @return PagePart
+     */
+    public function getPagePart($id, $sequenceNumber)
+    {
+        $ppRefRepo = $this->em->getRepository('KunstmaanPagePartBundle:PagePartRef');
+        return $ppRefRepo->getPagePart($id, $this->context, $sequenceNumber);
+    }
+
     /**
      * @param object $pagepart
      *

src/Kunstmaan/PagePartBundle/Repository/PagePartRefRepository.php

@@ -181,4 +181,23 @@ public function hasPageParts(HasPagePartsInterface $page, $context = 'main')
                 ->setParameter('pageId', $page->getId())
                 ->setParameter('context', $context)->getSingleScalarResult() != 0;
     }
+
+    /**
+     * @param bigint   $id             The id
+     * @param string   $context        The context
+     * @param int      $sequenceNumber The sequence number
+     *
+     * @return PagePart
+     */
+    public function getPagePart($id, $context = 'main', $sequenceNumber)
+    {
+        $ppRef = $this->find($id);
+        $ppRef->setContext($context);
+        $ppRef->setSequenceNumber($sequenceNumber);
+        $this->getEntityManager()->persist($ppRef);
+        $this->getEntityManager()->flush();
+
+        return $this->getEntityManager()->getRepository($ppRef->getPagePartEntityName())->find($ppRef->getPagePartId());
+
+    }
 }