private function getMaxImageSize()
    {
        $config    = $this->getServiceLocator()->get('MelisCoreConfig');
        $path      = $config->getItem('meliscore/interface/meliscore_leftmenu/interface/meliscore_toolstree_section/interface/meliscore_tool_system_config/interface/meliscore_tool_platform_scheme');
        $imagesize = null;


        if($path) {
            $imageSize = isset($path['datas']['image_size_limit']) ? $path['datas']['image_size_limit'] : null;
        }

        return $imageSize;
    }