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<?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/>.
/**
* Provides support for the conversion of moodle1 backup to the moodle2 format
*
* @package mod_questionnaire
* @copyright 2011 Robin de Vries <robin@celp.nl>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* Choice conversion handler
*/
class moodle1_mod_questionnaire_handler extends moodle1_mod_handler {
/**
* Declare the paths in moodle.xml we are able to convert
*
* The method returns list of convert_path instances. For each path returned,
* at least one of on_xxx_start(), process_xxx() and on_xxx_end() methods must be
* defined. The method process_xxx() is not executed if the associated path element is
* empty (i.e. it contains none elements or sub-paths only).
*
* Note that the path /MOODLE_BACKUP/COURSE/MODULES/MOD/CHOICE does not
* actually exist in the file. The last element with the module name was
* appended by the moodle1_converter class.
*
* @return array of convert_path instances
*/
public function get_paths() {
return array(
new convert_path(
'questionnaire', '/MOODLE_BACKUP/COURSE/MODULES/MOD/QUESTIONNAIRE',
array(
'renamefields' => array(
'summary' => 'intro',
),
'newfields' => array(
'introformat' => 0,
),
)
),
new convert_path('survey', '/MOODLE_BACKUP/COURSE/MODULES/MOD/QUESTIONNAIRE/SURVEY'),
new convert_path('question', '/MOODLE_BACKUP/COURSE/MODULES/MOD/QUESTIONNAIRE/SURVEY/QUESTION'),
new convert_path('question_choice', '/MOODLE_BACKUP/COURSE/MODULES/MOD/QUESTIONNAIRE/SURVEY/QUESTION/QUESTION_CHOICE'),
);
}
/**
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/QUESTIONNAIRE
* data available.
* @param array $data
*/
public function process_questionnaire($data) {
// Get the course module id and context id.
$instanceid = $data['id'];
$cminfo = $this->get_cminfo($instanceid);
$moduleid = $cminfo['id'];
$contextid = $this->converter->get_contextid(CONTEXT_MODULE, $moduleid);
// We now have all information needed to start writing into the file.
$this->open_xml_writer("activities/questionnaire_{$moduleid}/questionnaire.xml");
$this->xmlwriter->begin_tag('activity', array('id' => $instanceid, 'moduleid' => $moduleid,
'modulename' => 'questionnaire', 'contextid' => $contextid));
$this->xmlwriter->begin_tag('questionnaire', array('id' => $instanceid));
unset($data['id']); // We already write it as attribute, do not repeat it as child element.
foreach ($data as $field => $value) {
$this->xmlwriter->full_tag($field, $value);
}
$this->xmlwriter->begin_tag('surveys');
}
/**
* This is executed when we reach the closing </MOD> tag of our 'questionnaire' path
*/
public function on_questionnaire_end() {
// Close questionnaire.xml.
$this->xmlwriter->end_tag('surveys');
$this->xmlwriter->end_tag('questionnaire');
$this->xmlwriter->end_tag('activity');
$this->close_xml_writer();
}
/**
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/QUESTIONNAIRE/SURVEY
* data available
* @param array $data
*/
public function process_survey($data) {
$this->xmlwriter->begin_tag('survey', array('id' => $data['id']));
unset($data['id']); // We already write it as attribute, do not repeat it as child element.
foreach ($data as $field => $value) {
$this->xmlwriter->full_tag($field, $value);
}
$this->xmlwriter->begin_tag('questions');
}
/**
* This is executed when we reach the closing </SURVEY> tag
*/
public function on_survey_end() {
$this->xmlwriter->end_tag('questions');
$this->xmlwriter->end_tag('survey');
}
/**
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/QUESTIONNAIRE/SURVEY/QUESTION
* data available
* @param array $data
*/
public function process_question($data) {
$this->xmlwriter->begin_tag('question', array('id' => $data['id']));
unset($data['id']); // We already write it as attribute, do not repeat it as child element.
foreach ($data as $field => $value) {
$this->xmlwriter->full_tag($field, $value);
}
$this->xmlwriter->begin_tag('quest_choices');
}
/**
* This is executed when we reach the closing </QUESTION> tag
*/
public function on_question_end() {
$this->xmlwriter->end_tag('quest_choices');
$this->xmlwriter->end_tag('question');
}
/**
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/QUESTIONNAIRE/SURVEY/QUESTION/QUESTION_CHOICE
* data available
* @param array $data
*/
public function process_question_choice($data) {
$this->write_xml('quest_choice', $data, array('/question_choice/id'));
}
}