static $has_many = array(
   'Itens' => 'WorkItens'
);

static $allowed_children = 'none';

static $can_be_root = false;

static $defaults = array (
   'ShowInMenus' => true,
   'ShowInSearch' => true
);

/**
* @return CMSFields for CMS
*/
function getCMSFields() {
$fields = parent::getCMSFields();

$imgProjecto = new DataObjectManager(
$this,
'Itens',
'WorkItens',
array(
'Thumb' => 'Photo',
'Name' => 'Name'
),
'getCMSFields_forPopup'
);
$imgProjecto->setAddTitle('images for this work');
$imgProjecto->set_confirm_delete(true);
$imgProjecto->setUseViewAll(true);
$imgProjecto->setPageSize(20);

$fields->addFieldToTab('Root.Content.WorkImages', $imgProjecto);

return $fields;
}

class WorkItens extends DataObject {
   
   static $db = array(
'Name' => 'Varchar(255)'
   );
   
   static $defaults = array (
'ShowInMenus' => false,
'ShowInSearch' => false
   );
   
   static $has_one = array(
'Work' => 'Work',
'Photo' => 'Image'
   );

   public function getCMSFields_forPopup()
   {
      $img = new ImageField('Photo', 'Please Select an Image');
      $img -> folderName = 'work-images'; //THIS IS RELATIVE TO UPLOADS
      
      return new FieldSet(
new TextField('Name', 'Image title'),
$img
);
   }
   
   public function getThumb(){
if($this->PhotoID)
return $this->Photo()->CMSThumbnail();
else
return '(No Photo)';
   }   
   
   public function showName(){
return $this->Name;
   }

}

MySQLDatabase::set_connection_charset('utf8');

//definir timezone
date_default_timezone_set('Europe/Lisbon');

// Ativar o sortable no dataobject_manager
SortableDataObject::add_sortable_class('WorkItens');
Object::add_extension('DataObjectManager', 'Translatable');
Object::add_extension('DataObjectManager_Item', 'Translatable');

// Set the site locale
i18n::set_locale('pt_PT');
i18n::set_default_locale('pt_PT');
i18n::$common_locales = array(
'pt_PT' => array('Português', 'Portugal'),
'en_US' => array('English', 'English'),
'fr_FR' => array('Français', 'France')
);

Translatable::enable();
Translatable::set_default_locale('pt_PT');

// enable nested URLs for this site (e.g. page/sub-page/)
SiteTree::enable_nested_urls();

if ($this->Locale == 'de_DE') {
$parent = $this->Parent();
} else {
$german = $this->getTranslation('de_DE');
if ($german) {
$parent = $german->Parent();
}
}
if (!$parent) return;

return $parent->Title;