/**
* Generate the checkout step
* @return string
*/
public function generate()
{
// Make sure field data is available
\Controller::loadDataContainer('tl_iso_product_collection');
\System::loadLanguageFile('tl_iso_product_collection');
$objTemplate = new Template($this->strTemplate);
$varValue = null;
$objWidget = new FormTextArea(FormTextArea::getAttributesFromDca($GLOBALS['TL_DCA'][$this->strTable]['fields'][$this->strField], $this->strField, $varValue, $this->strField, $this->strTable, $this));
$objWidget->storeValues = true;
if (\Input::post('FORM_SUBMIT') == $this->strFormId) {
$objWidget->validate();
$varValue = $objWidget->value;
// Do not submit the field if there are errors
if ($objWidget->hasErrors()) {
$doNotSubmit = true;
} elseif ($objWidget->submitInput()) {
$objOrder = Isotope::getCart()->getDraftOrder();
// Store the form data
$_SESSION['FORM_DATA'][$this->strField] = $varValue;
// Set the correct empty value (see #6284, #6373)
if ($varValue === '') {
$varValue = $objWidget->getEmptyValue();
}
// Set the new value
if ($varValue !== $objOrder->{$this->strField}) {
$objOrder->{$this->strField};
}
}
}
$objTemplate->headline = $GLOBALS['TL_LANG'][$this->strTable][$this->strField][0];
$objTemplate->customerNotes = $objWidget->parse();
return $objTemplate->parse();
}
