From 96bee2b33467a1ce54f88c77b8a867ef1f7a9a97 Mon Sep 17 00:00:00 2001 From: Jean-Michel Vedrine Date: Sun, 9 Sep 2012 16:54:35 +0200 Subject: First version of algebra question type initially written by Roger Moore for Moodle 2.3 --- backup/moodle1/lib.php | 79 +++++++++++++++ .../moodle2/backup_qtype_algebra_plugin.class.php | 63 ++++++++++++ .../moodle2/restore_qtype_algebra_plugin.class.php | 106 +++++++++++++++++++++ 3 files changed, 248 insertions(+) create mode 100644 backup/moodle1/lib.php create mode 100644 backup/moodle2/backup_qtype_algebra_plugin.class.php create mode 100644 backup/moodle2/restore_qtype_algebra_plugin.class.php (limited to 'backup') diff --git a/backup/moodle1/lib.php b/backup/moodle1/lib.php new file mode 100644 index 0000000..d9a6406 --- /dev/null +++ b/backup/moodle1/lib.php @@ -0,0 +1,79 @@ +. + +/** + * @package qtype + * @subpackage algebra + * @copyright 2011 David Mudrak + * @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_algebra_handler extends moodle1_qtype_handler { + + /** + * @return array + */ + public function get_question_subpaths() { + return array( + 'ANSWERS/ANSWER', + 'ALGEBRA', + 'ALGEBRA/VARLIST/VARIABLE' + ); + } + + /** + * Appends the algebra specific information to the question + */ + public function process_question(array $data, array $raw) { + // convert and write the answers first + if (isset($data['answers'])) { + $this->write_answers($data['answers'], $this->pluginname); + } + + // convert and write the algebra variables + if (isset($data['algebra'][0]['varlist']['variable'])) { + $variables = $data['algebra'][0]['varlist']['variable']; + } else { + $variables = array(); + } + $this->xmlwriter->begin_tag('algebra_variables'); + foreach ($variables as $variable) { + $this->xmlwriter->begin_tag('algebra_variable', array('id' => $this->converter->get_nextid())); + $this->xmlwriter->full_tag('name', $variable['name']); + $this->xmlwriter->full_tag('min', $variable['min']); + $this->xmlwriter->full_tag('max', $variable['max']); + $this->xmlwriter->end_tag('algebra_variable'); + } + $this->xmlwriter->end_tag('algebra_variables'); + + // and finally the algebra options + $options = $data['algebra'][0]; + $this->xmlwriter->begin_tag('algebra', array('id' => $this->converter->get_nextid())); + $this->xmlwriter->full_tag('compareby', $options['compareby']); + $this->xmlwriter->full_tag('nchecks', $options['nchecks']); + $this->xmlwriter->full_tag('tolerance', $options['tolerance']); + $this->xmlwriter->full_tag('disallow', $options['disallow']); + $this->xmlwriter->full_tag('allowedfuncs', $options['allowedfuncs']); + $this->xmlwriter->full_tag('answerprefix', $options['answerprefix']); + $this->xmlwriter->end_tag('algebra'); + } +} diff --git a/backup/moodle2/backup_qtype_algebra_plugin.class.php b/backup/moodle2/backup_qtype_algebra_plugin.class.php new file mode 100644 index 0000000..9e08467 --- /dev/null +++ b/backup/moodle2/backup_qtype_algebra_plugin.class.php @@ -0,0 +1,63 @@ + + * @license http://www.gnu.org/copyleft/gpl.html GNU Public License version 3 + * @package questionbank + * @subpackage questiontypes + * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} + * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later + */ +defined('MOODLE_INTERNAL') || die(); + +/** + * Provides the information to backup algebra questions + */ +class backup_qtype_algebra_plugin extends backup_qtype_plugin { + + /** + * Returns the qtype information to attach to question element + */ + protected function define_question_plugin_structure() { + + // Define the virtual plugin element with the condition to fulfill + $plugin = $this->get_plugin_element(null, '../../qtype', 'algebra'); + + // Create one standard named plugin element (the visible container) + $pluginwrapper = new backup_nested_element($this->get_recommended_name()); + + // connect the visible container ASAP + $plugin->add_child($pluginwrapper); + + // This qtype uses standard question_answers, add them here + // to the tree before any other information that will use them + $this->add_question_question_answers($pluginwrapper); + + // Now create the qtype own structures + + $algebravariables = new backup_nested_element('algebra_variables'); + + $algebravariable = new backup_nested_element('algebra_variable', array('id'), array( + 'name', 'min', 'max')); + + $algebra = new backup_nested_element('algebra', array('id'), array( + 'compareby', 'nchecks', 'tolerance', + 'disallow', 'allowedfuncs', 'answerprefix')); + + // Now the own qtype tree + $pluginwrapper->add_child($algebravariables); + $algebravariables->add_child($algebravariable); + $pluginwrapper->add_child($algebra); + + // set source to populate the data + $algebra->set_source_table('question_algebra', array('questionid' => backup::VAR_PARENTID)); + $algebravariable->set_source_table('question_algebra_variables', array('question' => backup::VAR_PARENTID)); + + // don't need to annotate ids nor files + + return $plugin; + } +} diff --git a/backup/moodle2/restore_qtype_algebra_plugin.class.php b/backup/moodle2/restore_qtype_algebra_plugin.class.php new file mode 100644 index 0000000..5c2d567 --- /dev/null +++ b/backup/moodle2/restore_qtype_algebra_plugin.class.php @@ -0,0 +1,106 @@ +. + +/** + * @package moodlecore + * @subpackage backup-moodle2 + * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} + * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later + */ + +defined('MOODLE_INTERNAL') || die(); + +/** + * restore plugin class that provides the necessary information + * needed to restore one algebra qtype plugin + */ +class restore_qtype_algebra_plugin extends restore_qtype_plugin { + + /** + * Returns the paths to be handled by the plugin at question level + */ + protected function define_question_plugin_structure() { + + $paths = array(); + + // This qtype uses question_answers, add them + $this->add_question_question_answers($paths); + + // Add own qtype stuff + $elename = 'algebravariable'; + $elepath = $this->get_pathfor('/algebra_variables/algebra_variable'); // we used get_recommended_name() so this works + $paths[] = new restore_path_element($elename, $elepath); + $elename = 'algebra'; + $elepath = $this->get_pathfor('/algebra'); // we used get_recommended_name() so this works + $paths[] = new restore_path_element($elename, $elepath); + + return $paths; // And we return the interesting paths + } + + /** + * Process the qtype/algebra element + */ + public function process_algebra($data) { + global $DB; + + $data = (object)$data; + $oldid = $data->id; + // Detect if the question is created or mapped + $oldquestionid = $this->get_old_parentid('question'); + $newquestionid = $this->get_new_parentid('question'); + $questioncreated = $this->get_mappingid('question_created', $oldquestionid) ? true : false; + + // If the question has been created by restore, we need to create its question_algebra too + if ($questioncreated) { + // Adjust some columns + $data->questionid = $newquestionid; + // Insert record + $newitemid = $DB->insert_record('question_algebra', $data); + // Create mapping (needed for decoding links) + $this->set_mapping('question_algebra', $oldid, $newitemid); + } else { + // Nothing to remap if the question already existed + } + } + + /** + * Process the qtype/algebravariable element + */ + public function process_algebravariable($data) { + global $DB; + + $data = (object)$data; + $oldid = $data->id; + + // Detect if the question is created or mapped + $oldquestionid = $this->get_old_parentid('question'); + $newquestionid = $this->get_new_parentid('question'); + $questioncreated = $this->get_mappingid('question_created', $oldquestionid) ? true : false; + + // If the question has been created by restore, we need to create its question_algebra_variables too + if ($questioncreated) { + // Adjust some columns + $data->question = $newquestionid; + // Insert record + $newitemid = $DB->insert_record('question_algebra_variables', $data); + // Create mapping + $this->set_mapping('question_algebra_variable', $oldid, $newitemid); + } else { + // Nothing to remap if the question already existed + } + } +} -- cgit v1.2.3