From 01b5936cd0bf1cec6832ddac3ded018b1efb842c Mon Sep 17 00:00:00 2001
From: Christopher Tombleson <christopher@catalyst.net.nz>
Date: Fri, 8 Jun 2012 23:52:46 +1200
Subject: [PATCH] MDL-32937 Add drag and drop support to SCORM
---
mod/scorm/lang/en/scorm.php | 1 +
mod/scorm/lib.php | 69 +++++++++++++++++++++++++++++++++++++
2 files changed, 70 insertions(+)
diff --git a/mod/scorm/lang/en/scorm.php b/mod/scorm/lang/en/scorm.php
index 7b92eda3c4f..e72c855ffad 100644
--- a/mod/scorm/lang/en/scorm.php
+++ b/mod/scorm/lang/en/scorm.php
@@ -92,6 +92,7 @@ $string['displaycoursestructure_help'] = 'If enabled, the table of contents is d
$string['displaycoursestructuredesc'] = 'This preference sets the default value for the display course structure on entry page setting';
$string['displaydesc'] = 'This preference sets the default of whether to display the package or not for an activity';
$string['displaysettings'] = 'Display Settings';
+$string['dnduploadscorm'] = 'Create SCORM package';
$string['domxml'] = 'DOMXML external library';
$string['duedate'] = 'Due date';
$string['element'] = 'Element';
diff --git a/mod/scorm/lib.php b/mod/scorm/lib.php
index 98490316dc1..43b3a049952 100644
--- a/mod/scorm/lib.php
+++ b/mod/scorm/lib.php
@@ -1258,3 +1258,72 @@ function scorm_get_completion_state($course, $cm, $userid, $type) {
return $result;
}
+
+/**
+ * Register the ability to handle drag and drop file uploads
+ * @return array containing details of the files / types the mod can handle
+ */
+function scorm_dndupload_register() {
+ return array('files' => array(
+ array('extension' => 'zip', 'message' => get_string('dnduploadscorm', 'scorm'))
+ ));
+}
+
+/**
+ * Handle a file that has been uploaded
+ * @param object $uploadinfo details of the file / content that has been uploaded
+ * @return int instance id of the newly created mod
+ */
+function scorm_dndupload_handle($uploadinfo) {
+
+ $context = context_module::instance($uploadinfo->coursemodule);
+ file_save_draft_area_files($uploadinfo->draftitemid, $context->id, 'mod_scorm', 'package', 0);
+ $fs = get_file_storage();
+ $files = $fs->get_area_files($context->id, 'mod_scorm', 'package', 0, 'sortorder, itemid, filepath, filename', false);
+ $file = reset($files);
+
+ /*
+ * Validate the file, make sure it's a valid SCORM package!
+ */
+ $packer = get_file_packer('application/zip');
+ $filelist = $file->list_files($packer);
+
+ if (!is_array($filelist)) {
+ return false;
+ } else {
+ $manifestpresent = false;
+ $aiccfound = false;
+
+ foreach ($filelist as $info) {
+ if ($info->pathname == 'imsmanifest.xml') {
+ $manifestpresent = true;
+ break;
+ }
+
+ if (preg_match('/\.cst$/', $info->pathname)) {
+ $aiccfound = true;
+ break;
+ }
+ }
+
+ if (!$manifestpresent && !$aiccfound) {
+ return false;
+ }
+ }
+
+ /*
+ * Create a default scorm object to pass to scorm_add_instance()!
+ */
+ $scorm = get_config('scorm');
+ $scorm->course = $uploadinfo->course->id;
+ $scorm->coursemodule = $uploadinfo->coursemodule;
+ $scorm->cmidnumber = '';
+ $scorm->name = $uploadinfo->displayname;
+ $scorm->scormtype = SCORM_TYPE_LOCAL;
+ $scorm->reference = $file->get_filename();
+ $scorm->intro = '';
+ $scorm->width = $scorm->framewidth;
+ $scorm->height = $scorm->frameheight;
+
+ return scorm_add_instance($scorm, null);
+}