$id = postvalue("id");
$id = $id != "" ? $id : 1;
$xt->assign("id", $id);
//an array of params for ImportPage constructor
$params = array();
$params["id"] = $id;
$params["xt"] =& $xt;
$params["tName"] = $strTableName;
$params["pageType"] = PAGE_IMPORT;
$params["needSearchClauseObj"] = false;
$params["strOriginalTableName"] = $strOriginalTableName;
$pageObject = new ImportPage($params);
$pageObject->init();
$action = postvalue("a");
if (!strlen($action)) {
$pageObject->removeOldTemporaryFiles();
}
if ($action == "importPreview") {
$returnJSON = array();
// prepare the temp import file name
$rnrTempFileName = $pageObject->getImportTempFileName();
if (postvalue("importType") == "text") {
$importText = postvalue("importText");
$returnJSON["previewData"] = $pageObject->getPreviewDataFromText($importText);
// prepare the temp file path
$rnrTempImportFilePath = getabspath("templates_c/" . $rnrTempFileName . ".csv");
// save file in a temporary directory
runner_save_textfile($rnrTempImportFilePath, $importText);
} else {
$ext = getImportFileExtension("importFile" . $id);
$importTempFileName = getTempImportFileName("importFile" . $id);
