/**
  * Copy a Page
  * @param \Doctrine\ORM\EntityManager $em
  * @param \Jazzee\Entity\Page $page
  * @return \Jazzee\Entity\Page
  */
 public function copyPage(\Doctrine\ORM\EntityManager $em, \Jazzee\Entity\Page $page)
 {
     $newPage = new \Jazzee\Entity\Page();
     $newPage->setTitle($page->getTitle());
     $newPage->setMax($page->getMax());
     $newPage->setInstructions($page->getInstructions());
     $newPage->setLeadingText($page->getLeadingText());
     $newPage->setTrailingText($page->getTrailingText());
     $newPage->setFixedId($page->getFixedId());
     $newPage->setType($em->getRepository('\\Jazzee\\Entity\\PageType')->findOneByClass($page->getType()->getClass()));
     if ($page->isGlobal()) {
         $newPage->makeGlobal();
     } else {
         $newPage->notGlobal();
     }
     if ($page->isRequired()) {
         $newPage->required();
     } else {
         $newPage->optional();
     }
     foreach ($page->getChildren() as $child) {
         $newPage->addChild($this->copyPage($em, $child));
     }
     foreach ($page->getVariables() as $variable) {
         $newPage->setVar($variable->getName(), $variable->getValue());
     }
     foreach ($newPage->getVariables() as $variable) {
         $em->persist($variable);
     }
     foreach ($page->getElements() as $element) {
         $newElement = new \Jazzee\Entity\Element();
         $newElement->setType($em->getRepository('\\Jazzee\\Entity\\ElementType')->findOneByClass($element->getType()->getClass()));
         $newElement->setWeight($element->getWeight());
         $newElement->setFixedId($element->getFixedId());
         $newElement->setTitle($element->getTitle());
         $newElement->setMax($element->getMax());
         $newElement->setMin($element->getMin());
         $newElement->setInstructions($element->getInstructions());
         $newElement->setDefaultValue($element->getDefaultValue());
         $newElement->setFormat($element->getFormat());
         if ($element->isRequired()) {
             $newElement->required();
         } else {
             $newElement->optional();
         }
         foreach ($element->getListItems() as $item) {
             $newItem = new \Jazzee\Entity\ElementListItem();
             $newItem->setValue($item->getValue());
             $newItem->setWeight($item->getWeight());
             $newElement->addItem($newItem);
             $em->persist($newItem);
         }
         $em->persist($newElement);
         $newPage->addElement($newElement);
     }
     $em->persist($newPage);
     return $newPage;
 }