public function OnInit($param)
{
parent::OnInit($param);
$ClientScript = $this->Page->ClientScript;
//CSS stylesheet
$this->_CssClass = $this->getID();
$registerID = 'JzlTreeControl' . $this->CssClass ? '-' . $this->CssClass : '';
if (!$ClientScript->isStyleSheetRegistered($registerID) && !$this->getCssClass()) {
$ClientScript->registerStyleSheet($registerID . $this->getID(), sprintf(self::STYLE_SHEET, $this->_CssClass, $this->_ImagesPath));
}
$mainRegisterID = 'JzlTreeControl.Global';
//Javascript
if (!$ClientScript->isBeginScriptRegistered($mainRegisterID)) {
$ClientScript->registerBeginScript($mainRegisterID, sprintf(self::JAVA_SCRIPT, $this->_CssClass));
}
}
