Inheritance: extends KLib\JSONController
 public static function setFile($file)
 {
     self::$file = $file;
 }
 /**
  * Wyświetlenie dialogu potwierdzającego
  *
  * @param string $dialogTitle
  * @param string $dialogText
  * @param string $returnLink
  * @return string
  */
 static function displayConfirmDialog($dialogTitle, $dialogText, $returnLink = null, $style = "width: 350px; margin-top: 5px;")
 {
     global $t;
     $retVal = "<div class='confirmBox panel' style='" . $style . "' centerable='true'>";
     $retVal .= "<h1>{$dialogTitle}</h1>";
     $retVal .= "<h2>{$dialogText}</h2>";
     if ($returnLink != null) {
         $retVal .= "<div style=\"text-align: center; margin-top: 1em;\">" . self::sStandardButton(Translate::getDefault()->get('continue'), $returnLink) . "</div>";
     }
     $retVal .= "</div>";
     $retVal .= '<script>';
     $retVal .= 'setCenterable()';
     $retVal .= '</script>';
     return $retVal;
 }