protected function _ImportStep3()
{
// determine the field to use to identify products
// prioritise by product id, sku, then name
$field = "";
if ($_POST['LinkField']['productid'] >= 0) {
$field = "productid";
}
if ($_POST['LinkField']['prodcode'] >= 0) {
$field = "prodcode";
}
if ($_POST['LinkField']['prodname'] >= 0) {
$field = "prodname";
}
$this->ImportSession['IdentField'] = $field;
// storage for a list of already imported images and what their new filenames are so that the same file isn't
// resized multiple times
$this->ImportSession['ImportedImages'] = array();
parent::_ImportStep3();
}
