From 589475665e162aa2a946b58bc1ffe83583f0d640 Mon Sep 17 00:00:00 2001
From: David Mudrak <david@moodle.com>
Date: Thu, 2 Jun 2011 18:35:30 +0200
Subject: [PATCH] MDL-27626 numerical question type conversion handler

---
 .../type/numerical/backup/moodle1/lib.php     | 73 +++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 question/type/numerical/backup/moodle1/lib.php

diff --git a/question/type/numerical/backup/moodle1/lib.php b/question/type/numerical/backup/moodle1/lib.php
new file mode 100644
index 00000000000..980d5844038
--- /dev/null
+++ b/question/type/numerical/backup/moodle1/lib.php
@@ -0,0 +1,73 @@
+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * @package    qtype
+ * @subpackage numerical
+ * @copyright  2011 David Mudrak <david@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Multichoice question type conversion handler
+ */
+class moodle1_qtype_numerical_handler extends moodle1_qtype_handler {
+
+    /**
+     * @return array
+     */
+    public function get_question_subpaths() {
+        return array(
+            'ANSWERS/ANSWER',
+            'NUMERICAL',
+            'NUMERICAL/NUMERICAL_UNITS/NUMERICAL_UNIT',
+        );
+    }
+
+    /**
+     * Appends the numerical specific information to the question
+     */
+    public function process_question(array $data, array $raw) {
+
+        // convert and write the answers first
+        $this->write_answers($data['answers'], $this->pluginname);
+
+        // convert and write the numerical units
+        if (isset($data['numerical'][0]['numerical_units'])) {
+            $numericalunits = $data['numerical'][0]['numerical_units'];
+        } else {
+            $numericalunits = array();
+        }
+        $this->write_numerical_units($numericalunits);
+
+        // append new numerical_options structure
+        $this->write_numerical_options($data['oldquestiontextformat']);
+
+        // and finally numerical_records
+        $this->xmlwriter->begin_tag('numerical_records');
+        foreach ($data['numerical'] as $numericalrecord) {
+            // we do not use write_xml() here because $numericalrecords contains more than we want
+            $this->xmlwriter->begin_tag('numerical_record', array('id' => $this->converter->get_nextid()));
+            $this->xmlwriter->full_tag('answer', $numericalrecord['answer']);
+            $this->xmlwriter->full_tag('tolerance', $numericalrecord['tolerance']);
+            $this->xmlwriter->end_tag('numerical_record');
+        }
+        $this->xmlwriter->end_tag('numerical_records');
+    }
+}