/**
* Return the output for a form to launch a zip or xls download, it is then submitted
* on load via Javascript
*
* @param str $type the type of download that needs to be launched
* @param int $partid the Turnitin id of the assignment part
* @param int $userid the Turnitin user id
* @param str $buttonstring string for the submit button
* @return output form
*/
public static function output_download_launch_form($type, $userid, $partid, $submissionids = array(), $buttonstring = "Submit")
{
// Initialise Comms Object.
$turnitincomms = new turnitintooltwo_comms();
$turnitincall = $turnitincomms->initialise_api();
// Construct LTI Form Launcher.
$lti = new TiiLTI();
$lti->setAssignmentId($partid);
$lti->setUserId($userid);
$lti->setRole("Instructor");
$lti->setButtonText($buttonstring);
if (!empty($submissionids)) {
$lti->setSubmissionIds($submissionids);
}
switch ($type) {
case "orig_zip":
$ltifunction = "outputDownloadZipForm";
break;
case "pdf_zip":
$ltifunction = "outputDownloadPDFZipForm";
$lti->setFormTarget('');
break;
case "xls_inbox":
$ltifunction = "outputDownloadXLSForm";
break;
case "origchecked_zip":
$ltifunction = "outputDownloadZipForm";
break;
case "gmpdf_zip":
$ltifunction = "outputDownloadGradeMarkZipForm";
$lti->setFormTarget('');
break;
}
// Read the LTI launch form in the output buffer.
ob_start();
$turnitincall->{$ltifunction}($lti);
$launchdownload = ob_get_contents();
ob_end_clean();
return $launchdownload;
}
