MDL-27626 multichoice question type conversion handler

question/type/multichoice/backup/moodle1/lib.php

@@ -0,0 +1,90 @@
+<?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 multichoice
+ * @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_multichoice_handler extends moodle1_qtype_handler {
+
+    /**
+     * @return array
+     */
+    public function get_question_subpaths() {
+        return array(
+            'ANSWERS/ANSWER',
+            'MULTICHOICE',
+        );
+    }
+
+    /**
+     * Appends the multichoice 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 multichoice
+        $this->write_multichoice($data['multichoice'], $data['oldquestiontextformat']);
+    }
+
+    /**
+     * Converts the multichoice info and writes it into the question.xml
+     *
+     * @param array $multichoices the grouped structure
+     * @param int $oldquestiontextformat - {@see moodle1_question_bank_handler::process_question()}
+     */
+    protected function write_multichoice(array $multichoices, $oldquestiontextformat) {
+        global $CFG;
+
+        // the grouped array is supposed to have just one element - let us use foreach anyway
+        // just to be sure we do not loose anything
+        foreach ($multichoices as $multichoice) {
+            // append an artificial 'id' attribute (is not included in moodle.xml)
+            $multichoice['id'] = $this->converter->get_nextid();
+
+            // replay the upgrade step 2009021801
+            $multichoice['correctfeedbackformat']               = 0;
+            $multichoice['partiallycorrectfeedbackformat']      = 0;
+            $multichoice['incorrectfeedbackformat']             = 0;
+
+            if ($CFG->texteditors !== 'textarea' and $oldquestiontextformat == FORMAT_MOODLE) {
+                $multichoice['correctfeedback']                 = text_to_html($multichoice['correctfeedback'], false, false, true);
+                $multichoice['correctfeedbackformat']           = FORMAT_HTML;
+                $multichoice['partiallycorrectfeedback']        = text_to_html($multichoice['partiallycorrectfeedback'], false, false, true);
+                $multichoice['partiallycorrectfeedbackformat']  = FORMAT_HTML;
+                $multichoice['incorrectfeedback']               = text_to_html($multichoice['incorrectfeedback'], false, false, true);
+                $multichoice['incorrectfeedbackformat']         = FORMAT_HTML;
+            } else {
+                $multichoice['correctfeedbackformat']           = $oldquestiontextformat;
+                $multichoice['partiallycorrectfeedback']        = $oldquestiontextformat;
+                $multichoice['incorrectfeedbackformat']         = $oldquestiontextformat;
+            }
+
+            $this->write_xml('multichoice', $multichoice, array('/multichoice/id'));
+        }
+    }
+}