public function getAllPictos()
 {
     $picto_urls = array();
     foreach ($this->getBlocks() as $block) {
         $dir = Core_Model_Directory::getDesignPath(true, "/images/pictos/", "mobile");
         $pictos = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir, 4096), RecursiveIteratorIterator::SELF_FIRST);
         foreach ($pictos as $picto) {
             $colorized_color = Core_Model_Lib_Image::getColorizedUrl($picto->getPathName(), $block->getColor());
             $colorized_background_color = Core_Model_Lib_Image::getColorizedUrl($picto->getPathName(), $block->getBackgroundColor());
             $picto_urls[$colorized_color] = $colorized_color;
             $picto_urls[$colorized_background_color] = $colorized_background_color;
         }
     }
     return $picto_urls;
 }