From bedbfd6dfa3cf51e364cac46a6aed0ab664093b4 Mon Sep 17 00:00:00 2001
From: Jean-Michel Vedrine <vedrine@vedrine.org>
Date: Thu, 1 Nov 2012 11:16:01 +0100
Subject: [PATCH] MDL-32865 Backwards compatibility, deal with the old image
 tag

---
 question/format/xml/format.php | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/question/format/xml/format.php b/question/format/xml/format.php
index cf3b7f7347f..71865829271 100644
--- a/question/format/xml/format.php
+++ b/question/format/xml/format.php
@@ -443,6 +443,19 @@ class qformat_xml extends qformat_default {
         $qo->questiontextfiles = $this->import_files($this->getpath($question,
                 array('#', 'questiontext', 0, '#', 'file'), array(), false));
 
+        // Backwards compatibility, deal with the old image tag.
+        $filedata = $this->getpath($question, array('#', 'image_base64', '0', '#'), null, false);
+        $filename = $this->getpath($question, array('#', 'image', '0', '#'), null, false);
+        if ($filedata && $filename) {
+            $data = new stdClass();
+            $data->content = $filedata;
+            $data->encoding = 'base64';
+            // Question file areas don't support subdirs, so convert path to filename if necessary.
+            $data->name = clean_param(str_replace('/', '_', $filename), PARAM_FILE);
+            $qo->questiontextfiles[] = $data;
+            $qo->questiontext .= ' <img src="@@PLUGINFILE@@/' . $data->name . '" />';
+        }
+
         // restore files in generalfeedback
         $qo->generalfeedback = $this->getpath($question,
                 array('#', 'generalfeedback', 0, '#', 'text', 0, '#'), $qo->generalfeedback, true);