/** * @return string */ protected function _toHtml() { $htmlId = $this->getColumnName() . '#{_id}'; $select = new Varien_Data_Form_Element_Select(array('html_id' => $htmlId, 'no_span' => TRUE, 'name' => $this->getInputName())); $select->addData($this->getColumn()); $select->setForm(new Varien_Object()); $select->setValues($this->getValues()); // Escape properly and use javascript to set the selected values return str_replace(array("\n", '"', '/'), array('', '\\"', '\\/'), "\n {$select->getElementHtml()}\n <script type=\"text\\/javascript\">\n \$(\"{$htmlId}\").setValue(\"#{{$this->getColumnName()}}\");\n </script>\n "); }