protected function getStyle()
    {
        $htmlClass = $this->cssClass ? "class='" . $this->cssClass . "' " : "class='editcombobox'";
        /*
          $width = $this->width ? $this->width : 146;
          $this->widthInput = ($width-18).'px';
          $this->width = $width.'px';
          $style = "position: absolute; width: $this->width; z-index: 1; clip: rect(auto, auto, auto, $this->widthInput);";
         */
        if ($this->style)
            $style .= $this->style;
        if (!isset($style) && !$htmlClass)
            return null;
        if (isset($style)) {
            $formObj = $this->getFormObj();
            $style = Expression::evaluateExpression($style, $formObj);
            $style = "style='$style'";
        }
        if ($htmlClass) {
            $style = $htmlClass . " " . $style;
        }
        return $style;
    }