public function renderForm()
 {
     $this->fields_form = array('legend' => array('title' => $this->l('SQL query'), 'icon' => 'icon-cog'), 'input' => array(array('type' => 'text', 'label' => $this->l('SQL query name'), 'name' => 'name', 'size' => 103, 'required' => true), array('type' => 'textarea', 'label' => $this->l('SQL query'), 'name' => 'sql', 'cols' => 100, 'rows' => 10, 'required' => true)), 'submit' => array('title' => $this->l('Save')));
     $request = new RequestSql();
     $this->tpl_form_vars = array('tables' => $request->getTables());
     return parent::renderForm();
 }