MDL-29956: Implement export of Quiz activity (r16977, r17032)
authorMark Nielsen <mark@moodlerooms.com>
Wed, 26 Oct 2011 17:33:49 +0000 (10:33 -0700)
committerEloy Lafuente (stronk7) <stronk7@moodle.org>
Mon, 14 Nov 2011 20:25:08 +0000 (21:25 +0100)
backup/cc/cc_includes.php
backup/cc/cc_lib/cc_asssesment.php
backup/cc/cc_lib/cc_convert_moodle2.php
backup/cc/cc_lib/cc_converter_lti.php
backup/cc/cc_lib/cc_converter_quiz.php [new file with mode: 0644]
backup/cc/cc_lib/cc_utils.php
backup/cc/cc_lib/xmlbase.php
lang/en/backup.php

index 263172c..8a5817a 100644 (file)
@@ -37,4 +37,5 @@ require_once($CFG->dirroot .'/backup/cc/cc_lib/cc_converter_lti.php');
 require_once($CFG->dirroot .'/backup/cc/cc_lib/cc_converter_forum.php');
 require_once($CFG->dirroot .'/backup/cc/cc_lib/cc_converter_url.php');
 require_once($CFG->dirroot .'/backup/cc/cc_lib/cc_converter_resource.php');
+require_once($CFG->dirroot .'/backup/cc/cc_lib/cc_converter_quiz.php');
 require_once($CFG->dirroot .'/backup/cc/cc_lib/cc_convert_moodle2.php');
index b15f540..f4f6642 100644 (file)
 <?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    backup-convert
-* @subpackage cc-library
-* @copyright  2011 Darko Miletic <dmiletic@moodlerooms.com>
-* @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
-*/
 
+require_once 'cc_utils.php';
+require_once 'cc_general.php';
+
+abstract class cc_xml_namespace {
+    const xml = 'http://www.w3.org/XML/1998/namespace';
+}
+
+abstract class cc_qti_metadata {
+    //assesment
+    const qmd_assessmenttype       = 'qmd_assessmenttype';
+    const qmd_scoretype            = 'qmd_scoretype';
+    const qmd_feedbackpermitted    = 'qmd_feedbackpermitted';
+    const qmd_hintspermitted       = 'qmd_hintspermitted';
+    const qmd_solutionspermitted   = 'qmd_solutionspermitted';
+    const qmd_timelimit            = 'qmd_timelimit';
+    const cc_allow_late_submission = 'cc_allow_late_submission';
+    const cc_maxattempts           = 'cc_maxattempts';
+    const cc_profile               = 'cc_profile';
+
+    //item
+    const cc_weighting         = 'cc_weighting';
+    const qmd_scoringpermitted = 'qmd_scoringpermitted';
+    const qmd_computerscored   = 'qmd_computerscored';
+    const cc_question_category = 'cc_question_category';
+}
+
+abstract class cc_qti_profiletype {
+    const multiple_choice   = 'cc.multiple_choice.v0p1';
+    const multiple_response = 'cc.multiple_response.v0p1';
+    const true_false        = 'cc.true_false.v0p1';
+    const field_entry       = 'cc.fib.v0p1';
+    const pattern_match     = 'cc.pattern_match.v0p1';
+    const essay             = 'cc.essay.v0p1';
+
+    /**
+     *
+     * validates a profile value
+     * @param string $value
+     * @return boolean
+     */
+    public static function valid($value) {
+        static $verification_values = array( self::essay,
+                                             self::field_entry,
+                                             self::multiple_choice,
+                                             self::multiple_response,
+                                             self::pattern_match,
+                                             self::true_false
+                                           );
+        return in_array($value, $verification_values);
+    }
+
+}
+
+abstract class cc_qti_values {
+    const exam_profile = 'cc.exam.v0p1';
+    const Yes          = 'Yes';
+    const No           = 'No';
+    const Response     = 'Response';
+    const Solution     = 'Solution';
+    const Hint         = 'Hint';
+    const Examination  = 'Examination';
+    const Percentage   = 'Percentage';
+    const unlimited    = 'unlimited';
+    const Single       = 'Single';
+    const Multiple     = 'Multiple';
+    const Ordered      = 'Ordered';
+    const Asterisk     = 'Asterisk';
+    const Box          = 'Box';
+    const Dashline     = 'Dashline';
+    const Underline    = 'Underline';
+    const Decimal      = 'Decimal';
+    const Integer      = 'Integer';
+    const Scientific   = 'Scientific';
+    const String       = 'String';
+    const SCORE        = 'SCORE';
+    const Set          = 'Set';
+    const Complete     = 'Complete';
+    const texttype     = 'text/plain';
+    const htmltype     = 'text/html';
+}
+
+abstract class cc_qti_tags {
+    const questestinterop = 'questestinterop';
+    const assessment = 'assessment';
+    const qtimetadata = 'qtimetadata';
+    const qtimetadatafield = 'qtimetadatafield';
+    const fieldlabel = 'fieldlabel';
+    const fieldentry = 'fieldentry';
+    const section = 'section';
+    const ident = 'ident';
+    const item = 'item';
+    const title = 'title';
+    const itemmetadata = 'itemmetadata';
+    const presentation = 'presentation';
+    const material = 'material';
+    const mattext = 'mattext';
+    const matref = 'matref';
+    const matbreak = 'matbreak';
+    const texttype = 'texttype';
+    const response_lid = 'response_lid';
+    const render_choice = 'render_choice';
+    const response_label = 'response_label';
+    const resprocessing = 'resprocessing';
+    const outcomes = 'outcomes';
+    const decvar = 'decvar';
+    const respcondition = 'respcondition';
+    const conditionvar = 'conditionvar';
+    const other = 'other';
+    const displayfeedback = 'displayfeedback';
+    const maxvalue = 'maxvalue';
+    const minvalue = 'minvalue';
+    const varname = 'varname';
+    const vartype = 'vartype';
+    const continue_ = 'continue';
+    const feedbacktype = 'feedbacktype';
+    const linkrefid = 'linkrefid';
+    const varequal = 'varequal';
+    const respident = 'respident';
+    const itemfeedback = 'itemfeedback';
+    const flow_mat = 'flow_mat';
+    const rcardinality = 'rcardinality';
+    const charset = 'charset';
+    const label = 'label';
+    const uri = 'uri';
+    const width = 'width';
+    const height = 'height';
+    const x0 = 'x0';
+    const y0 = 'y0';
+    const xml_lang = 'lang';
+    const xml_space = 'space';
+    const rubric = 'rubric';
+    const altmaterial = 'altmaterial';
+    const presentation_material = 'presentation_material';
+    const t_class = 'class';
+    const material_ref = 'material_ref';
+    const rtiming = 'rtiming';
+    const render_fib = 'render_fib';
+    const shuffle = 'shuffle';
+    const minnumber = 'minnumber';
+    const maxnumber = 'maxnumber';
+    const encoding = 'encoding';
+    const maxchars = 'maxchars';
+    const prompt = 'prompt';
+    const fibtype = 'fibtype';
+    const rows = 'rows';
+    const columns = 'columns';
+    const labelrefid = 'labelrefid';
+    const rshuffle = 'rshuffle';
+    const match_group = 'match_group';
+    const match_max = 'match_max';
+    const flow = 'flow';
+    const response_str = 'response_str';
+    const flow_label = 'flow_label';
+    const setvar = 'setvar';
+    const action = 'action';
+    const and_ = 'and';
+    const not_ = 'not';
+    const case_ = 'case';
+    const varsubstring = 'varsubstring';
+    const hint = 'hint';
+    const solution = 'solution';
+    const feedbackstyle = 'feedbackstyle';
+    const solutionmaterial = 'solutionmaterial';
+    const hintmaterial = 'hintmaterial';
+}
+
+class cc_question_metadata_base {
+    /**
+     * @var array
+     */
+    protected $metadata = array();
+
+    /**
+     * @param string $setting
+     * @param mixed $value
+     */
+    protected function set_setting($setting, $value = null) {
+        $this->metadata[$setting] = $value;
+    }
+
+    /**
+     * @param string $setting
+     * @return mixed
+     */
+    protected function get_setting($setting) {
+        $result = null;
+        if (array_key_exists($setting, $this->metadata)) {
+            $result = $this->metadata[$setting];
+        }
+        return $result;
+    }
+
+    /**
+     * @param string $setting
+     * @param string $namespace
+     * @param string $value
+     */
+    protected function set_setting_wns($setting, $namespace, $value = null) {
+        $this->metadata[$setting] = array($namespace => $value);
+    }
+
+    /**
+     * @param string $setting
+     * @param boolean $value
+     */
+    protected function enable_setting_yesno($setting, $value = true) {
+        $svalue = $value ? cc_qti_values::Yes : cc_qti_values::No;
+        $this->set_setting($setting, $svalue);
+    }
+
+    /**
+     * @param XMLGenericDocument $doc
+     * @param DOMNode $item
+     * @param string $namespace
+     */
+    public function generate_attributes(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        foreach ($this->metadata as $attribute => $value) {
+            if (!is_null($value)) {
+                if (!is_array($value)) {
+                    $doc->append_new_attribute_ns($item, $namespace, $attribute, $value);
+                } else {
+                    $ns = key($value);
+                    $nval = current($value);
+                    if (!is_null($nval)) {
+                        $doc->append_new_attribute_ns($item, $ns, $attribute, $nval);
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * @param XMLGenericDocument $doc
+     * @param DOMNode $item
+     * @param string $namespace
+     */
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $qtimetadata = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::qtimetadata);
+        foreach ($this->metadata as $label => $entry) {
+            if (!is_null($entry)) {
+                $qtimetadatafield = $doc->append_new_element_ns($qtimetadata, $namespace, cc_qti_tags::qtimetadatafield);
+                $doc->append_new_element_ns($qtimetadatafield, $namespace, cc_qti_tags::fieldlabel, $label);
+                $doc->append_new_element_ns($qtimetadatafield, $namespace, cc_qti_tags::fieldentry, $entry);
+            }
+        }
+    }
+}
+
+class cc_question_metadata extends cc_question_metadata_base {
+
+    public function set_category($value) {
+        $this->set_setting(cc_qti_metadata::cc_question_category, $value);
+    }
+
+    public function set_weighting($value) {
+        $this->set_setting(cc_qti_metadata::cc_weighting, $value);
+    }
+
+    public function enable_scoringpermitted($value = true) {
+        $this->enable_setting_yesno(cc_qti_metadata::qmd_scoringpermitted, $value);
+    }
+
+    public function enable_computerscored($value = true) {
+        $this->enable_setting_yesno(cc_qti_metadata::qmd_computerscored, $value);
+    }
+
+    /**
+     *
+     * Constructs metadata
+     * @param string $profile
+     * @throws InvalidArgumentException
+     */
+    public function __construct($profile) {
+        if (!cc_qti_profiletype::valid($profile)) {
+            throw new InvalidArgumentException('Invalid profile type!');
+        }
+        $this->set_setting(cc_qti_metadata::cc_profile, $profile);
+        $this->set_setting(cc_qti_metadata::cc_question_category);
+        $this->set_setting(cc_qti_metadata::cc_weighting        );
+        $this->set_setting(cc_qti_metadata::qmd_scoringpermitted);
+        $this->set_setting(cc_qti_metadata::qmd_computerscored  );
+    }
+}
+
+
+class cc_assesment_metadata extends cc_question_metadata_base {
+
+    public function enable_hints($value = true) {
+        $this->enable_setting_yesno(cc_qti_metadata::qmd_hintspermitted, $value);
+    }
+
+    public function enable_solutions($value = true) {
+        $this->enable_setting_yesno(cc_qti_metadata::qmd_solutionspermitted, $value);
+    }
+
+    public function enable_latesubmissions($value = true) {
+        $this->enable_setting_yesno(cc_qti_metadata::cc_allow_late_submission, $value);
+    }
+
+    public function enable_feedback($value = true) {
+        $this->enable_setting_yesno(cc_qti_metadata::qmd_feedbackpermitted, $value);
+    }
+
+    public function set_timelimit($value) {
+        $ivalue = (int)$value;
+        if (($ivalue < 0) || ($ivalue > 527401)) {
+            throw new OutOfRangeException('Time limit value out of permitted range!');
+        }
+
+        $this->set_setting(cc_qti_metadata::qmd_timelimit, $value);
+    }
+
+    public function set_maxattempts($value) {
+        $valid_values = array(cc_qti_values::Examination, cc_qti_values::unlimited, 1, 2, 3, 4, 5);
+        if (!in_array($value, $valid_values)) {
+            throw new OutOfRangeException('Max attempts has invalid value');
+        }
+
+        $this->set_setting(cc_qti_metadata::cc_maxattempts, $value);
+    }
+
+    public function __construct() {
+        //prepared default values
+        $this->set_setting(cc_qti_metadata::cc_profile        , cc_qti_values::exam_profile);
+        $this->set_setting(cc_qti_metadata::qmd_assessmenttype, cc_qti_values::Examination );
+        $this->set_setting(cc_qti_metadata::qmd_scoretype     , cc_qti_values::Percentage  );
+        //optional empty values
+        $this->set_setting(cc_qti_metadata::qmd_feedbackpermitted   );
+        $this->set_setting(cc_qti_metadata::qmd_hintspermitted      );
+        $this->set_setting(cc_qti_metadata::qmd_solutionspermitted  );
+        $this->set_setting(cc_qti_metadata::qmd_timelimit           );
+        $this->set_setting(cc_qti_metadata::cc_allow_late_submission);
+        $this->set_setting(cc_qti_metadata::cc_maxattempts          );
+    }
+
+}
+
+class cc_assesment_mattext extends cc_question_metadata_base {
+    protected $value = null;
+
+    public function __construct($value = null) {
+        $this->set_setting(cc_qti_tags::texttype, cc_qti_values::texttype);
+        $this->set_setting(cc_qti_tags::charset);//, 'ascii-us');
+        $this->set_setting(cc_qti_tags::label);
+        $this->set_setting(cc_qti_tags::uri);
+        $this->set_setting(cc_qti_tags::width);
+        $this->set_setting(cc_qti_tags::height);
+        $this->set_setting(cc_qti_tags::x0);
+        $this->set_setting(cc_qti_tags::y0);
+        $this->set_setting_wns(cc_qti_tags::xml_lang , cc_xml_namespace::xml);
+        $this->set_setting_wns(cc_qti_tags::xml_space, cc_xml_namespace::xml);//, 'default');
+        $this->value = $value;
+    }
+
+    public function set_label($value) {
+        $this->set_setting(cc_qti_tags::label, $value);
+    }
+
+    public function set_uri($value) {
+        $this->set_setting(cc_qti_tags::uri, $value);
+    }
+
+    public function set_width_height($width = null, $height = null) {
+        $this->set_setting(cc_qti_tags::width, $width);
+        $this->set_setting(cc_qti_tags::height, $height);
+    }
+
+    public function set_coor($x = null, $y = null) {
+        $this->set_setting(cc_qti_tags::x0, $x);
+        $this->set_setting(cc_qti_tags::y0, $y);
+    }
+
+    public function set_lang($lang = null) {
+        $this->set_setting_wns(cc_qti_tags::xml_lang , cc_xml_namespace::xml, $lang);
+    }
+
+    public function set_content($content, $type = cc_qti_values::texttype, $charset = null) {
+        $this->value = $content;
+        $this->set_setting(cc_qti_tags::texttype, $type);
+        $this->set_setting(cc_qti_tags::charset, $charset);
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $mattext = $doc->append_new_element_ns_cdata($item, $namespace, cc_qti_tags::mattext, $this->value);
+        $this->generate_attributes($doc, $mattext, $namespace);
+    }
+}
+
+class cc_assesment_matref {
+    protected $linkref = null;
+
+    public function __construct($linkref) {
+        $this->linkref = $linkref;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $doc->append_new_element_ns($item, $namespace, cc_qti_tags::matref, $this->linkref);
+        $doc->append_new_attribute_ns($node, $namespace, cc_qti_tags::linkrefid, $this->linkref);
+    }
+}
+
+class cc_assesment_response_matref extends cc_assesment_matref {
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::material_ref);
+        $doc->append_new_attribute_ns($node, $namespace, cc_qti_tags::linkrefid, $this->linkref);
+    }
+}
+
+class cc_assesment_matbreak {
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $doc->append_new_element_ns($item, $namespace, cc_qti_tags::matbreak);
+    }
+}
+
+abstract class cc_assesment_material_base extends cc_question_metadata_base {
+    /**
+    * @var mixed
+    */
+    protected $mattag = null;
+    protected $tagname   = null;
+
+    protected function set_tag_value($object) {
+        $this->mattag  = $object;
+    }
+
+    public function set_mattext(cc_assesment_mattext $object) {
+        $this->set_tag_value($object);
+    }
+
+    public function set_matref(cc_assesment_matref $object) {
+        $this->set_tag_value($object);
+    }
+
+    public function set_matbreak(cc_assesment_matbreak $object) {
+        $this->set_tag_value($object);
+    }
+
+    public function set_lang($value) {
+        $this->set_setting_wns(cc_qti_tags::xml_lang , cc_xml_namespace::xml, $value);
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $material = $doc->append_new_element_ns($item, $namespace, $this->tagname);
+        $this->generate_attributes($doc, $material, $namespace);
+        if (!empty($this->mattag)) {
+            $this->mattag->generate($doc, $material, $namespace);
+        }
+        return $material;
+    }
+}
+
+class cc_assesment_altmaterial extends cc_assesment_material_base {
+    public function __construct($value = null) {
+        $this->set_setting_wns(cc_qti_tags::xml_lang , cc_xml_namespace::xml);
+        $this->tagname = cc_qti_tags::altmaterial;
+    }
+}
+
+class cc_assesment_material extends cc_assesment_material_base {
+
+    protected $altmaterial = null;
+
+    public function __construct($value = null) {
+        $this->set_setting(cc_qti_tags::label);
+        $this->set_setting_wns(cc_qti_tags::xml_lang , cc_xml_namespace::xml);
+        $this->tagname = cc_qti_tags::material;
+    }
+
+    public function set_label($value) {
+        $this->set_setting(cc_qti_tags::label, $value);
+    }
+
+    public function set_altmaterial(cc_assesment_altmaterial $object) {
+        $this->altmaterial = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $material = parent::generate($doc, $item, $namespace);
+        if (!empty($this->altmaterial)) {
+            $this->altmaterial->generate($doc, $material, $namespace);
+        }
+    }
+}
+
+class cc_assesment_rubric_base extends cc_question_metadata_base {
+
+    protected $material = null;
+
+    public function set_material($object) {
+        $this->material = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $rubric = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::rubric);
+        if (!empty($this->material)) {
+            $this->material->generate($doc, $rubric, $namespace);
+        }
+    }
+}
+
+class cc_assesment_presentation_material_base extends cc_question_metadata_base {
+    protected $flowmats = array();
+
+    public function add_flow_mat($object) {
+        $this->flowmats[] = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::presentation_material);
+        if (!empty($this->flowmats)) {
+            foreach ($this->flowmats as $flow_mat) {
+                $flow_mat->generate($doc, $node, $namespace);
+            }
+        }
+    }
+}
+
+class cc_assesment_flow_mat_base extends cc_question_metadata_base {
+
+    protected $mattag = null;
+
+    protected function set_tag_value($object) {
+        $this->mattag  = $object;
+    }
+
+    public function set_flow_mat(cc_assesment_flow_mat_base $object) {
+        $this->set_tag_value($object);
+    }
+
+    public function set_material(cc_assesment_material $object) {
+        $this->set_tag_value($object);
+    }
+
+    public function set_material_ref(cc_assesment_matref $object) {
+        $this->set_tag_value($object);
+    }
+
+    public function __construct($value = null) {
+        $this->set_setting(cc_qti_tags::t_class);
+    }
+
+    public function set_class($value) {
+        $this->set_setting(cc_qti_tags::t_class, $value);
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::flow_mat);
+        $this->generate_attributes($doc, $node, $namespace);
+        if (!empty($this->mattag)) {
+            $this->mattag->generate($doc, $node, $namespace);
+        }
+    }
+
+}
+
+class cc_assesment_section extends cc_question_metadata_base {
+    /**
+     * @var array
+     */
+    protected $items = array();
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::ident, cc_helpers::uuidgen('I_'));
+        $this->set_setting(cc_qti_tags::title);
+        $this->set_setting_wns(cc_qti_tags::xml_lang, cc_xml_namespace::xml);
+    }
+
+    public function set_ident($value) {
+        $this->set_setting(cc_qti_tags::ident, $value);
+    }
+
+    public function set_title($value) {
+        $this->set_setting(cc_qti_tags::title, $value);
+    }
+
+    public function set_lang($value) {
+        $this->set_setting_wns(cc_qti_tags::xml_lang, cc_xml_namespace::xml, $value);
+    }
+
+    public function add_item(cc_assesment_section_item $object) {
+        $this->items[] = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::section);
+        $this->generate_attributes($doc, $node, $namespace);
+        if (!empty($this->items)) {
+            foreach ($this->items as $item) {
+                $item->generate($doc, $node, $namespace);
+            }
+        }
+    }
+}
+
+class cc_assesment_itemmetadata extends cc_question_metadata_base {
+    public function add_metadata($object) {
+        $this->metadata[] = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::itemmetadata);
+        if (!empty($this->metadata)) {
+            foreach ($this->metadata as $metaitem) {
+                $metaitem->generate($doc, $node, $namespace);
+            }
+        }
+    }
+}
+
+class cc_assesment_decvartype extends cc_question_metadata_base {
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::varname, cc_qti_values::SCORE);
+        $this->set_setting(cc_qti_tags::vartype, cc_qti_values::Integer);
+        $this->set_setting(cc_qti_tags::minvalue);
+        $this->set_setting(cc_qti_tags::maxvalue);
+    }
+
+    public function set_vartype($value) {
+        $this->set_setting(cc_qti_tags::vartype, $value);
+    }
+
+    public function set_limits($min = null, $max = null) {
+        $this->set_setting(cc_qti_tags::minvalue, $min);
+        $this->set_setting(cc_qti_tags::maxvalue, $max);
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::decvar);
+        $this->generate_attributes($doc, $node, $namespace);
+    }
+}
+
+
+class cc_assignment_conditionvar_othertype extends cc_question_metadata_base {
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $doc->append_new_element_ns($item, $namespace, cc_qti_tags::other);
+    }
+}
+
+class cc_assignment_conditionvar_varequaltype extends cc_question_metadata_base {
+    protected $tagname = null;
+    protected $answerid = null;
+
+    public function __construct($value = null) {
+        if (is_null($value)) {
+            throw new InvalidArgumentException('Must not pass null!');
+        }
+        $this->answerid = $value;
+        $this->set_setting(cc_qti_tags::respident);
+        $this->set_setting(cc_qti_tags::case_);//, cc_qti_values::No  );
+        $this->tagname = cc_qti_tags::varequal;
+    }
+
+    public function set_respident($value) {
+        $this->set_setting(cc_qti_tags::respident, $value);
+    }
+
+    public function enable_case($value = true) {
+        $this->enable_setting_yesno(cc_qti_tags::case_, $value);
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, $this->tagname, $this->answerid);
+        $this->generate_attributes($doc, $node, $namespace);
+    }
+}
+
+class cc_assignment_conditionvar_varsubstringtype extends cc_assignment_conditionvar_varequaltype {
+    public function __construct($value) {
+        parent::__construct($value);
+        $this->tagname = cc_qti_tags::varsubstring;
+    }
+}
+
+
+class cc_assignment_conditionvar_andtype extends cc_question_metadata_base {
+    protected $not = null;
+    protected $varequal = null;
+
+    public function set_not(cc_assignment_conditionvar_varequaltype $object) {
+        $this->not = $object;
+    }
+
+    public function set_varequal(cc_assignment_conditionvar_varequaltype $object) {
+        $this->varequal = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::and_);
+        if (!empty($this->not)) {
+            $not = $doc->append_new_element_ns($node, $namespace, cc_qti_tags::not_);
+            $this->not->generate($doc, $not, $namespace);
+        }
+
+        if (!empty($this->varequal)) {
+            $this->varequal->generate($doc, $node, $namespace);
+        }
+    }
+}
+
+class cc_assignment_conditionvar extends cc_question_metadata_base {
+
+    /**
+     * @var cc_assignment_conditionvar_andtype
+     */
+    protected $and = null;
+    /**
+     * @var cc_assignment_conditionvar_othertype
+     */
+    protected $other = null;
+    /**
+     * @var cc_assignment_conditionvar_varequaltype
+     */
+    protected $varequal = null;
+    /**
+     * @var cc_assignment_conditionvar_varsubstringtype
+     */
+    protected $varsubstring = null;
+
+    public function set_and(cc_assignment_conditionvar_andtype $object) {
+        $this->and = $object;
+    }
+
+    public function set_other(cc_assignment_conditionvar_othertype $object) {
+        $this->other = $object;
+    }
+
+    public function set_varequal(cc_assignment_conditionvar_varequaltype $object) {
+        $this->varequal = $object;
+    }
+
+    public function set_varsubstring(cc_assignment_conditionvar_varsubstringtype $object) {
+        $this->varsubstring = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::conditionvar);
+
+        if (!empty($this->and)) {
+            $this->and->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->other)) {
+            $this->other->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->varequal)) {
+            $this->varequal->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->varsubstring)) {
+            $this->varsubstring->generate($doc, $node, $namespace);
+        }
+    }
+}
+
+class cc_assignment_displayfeedbacktype extends cc_question_metadata_base {
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::feedbacktype);
+        $this->set_setting(cc_qti_tags::linkrefid);
+    }
+
+    public function set_feedbacktype($value) {
+        $this->set_setting(cc_qti_tags::feedbacktype, $value);
+    }
+
+    public function set_linkrefid($value) {
+        $this->set_setting(cc_qti_tags::linkrefid, $value);
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::displayfeedback);
+        $this->generate_attributes($doc, $node, $namespace);
+    }
+}
+
+
+class cc_assignment_setvartype extends cc_question_metadata_base {
+    /**
+     * @var integer
+     */
+    protected $tagvalue = null;
+
+    public function __construct($tagvalue = 100) {
+        $this->set_setting(cc_qti_tags::varname, cc_qti_values::SCORE);
+        $this->set_setting(cc_qti_tags::action , cc_qti_values::Set  );
+        $this->tagvalue = $tagvalue;
+    }
+
+    public function set_varname($value) {
+        $this->set_setting(cc_qti_tags::varname, $value);
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::setvar, $this->tagvalue);
+        $this->generate_attributes($doc, $node, $namespace);
+    }
+}
+
+class cc_assesment_respconditiontype extends cc_question_metadata_base {
+    /**
+     * @var cc_assignment_conditionvar
+     */
+    protected $conditionvar = null;
+    protected $setvar = array();
+    protected $displayfeedback = array();
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::title);
+        $this->set_setting(cc_qti_tags::continue_, cc_qti_values::No);
+    }
+
+    public function set_title($value) {
+        $this->set_setting(cc_qti_tags::title, $value);
+    }
+
+    public function enable_continue($value = true) {
+        $this->enable_setting_yesno(cc_qti_tags::continue_, $value);
+    }
+
+    public function set_conditionvar(cc_assignment_conditionvar $object) {
+        $this->conditionvar = $object;
+    }
+
+    public function add_setvar(cc_assignment_setvartype $object) {
+        $this->setvar[] = $object;
+    }
+
+    public function add_displayfeedback(cc_assignment_displayfeedbacktype $object) {
+        $this->displayfeedback[] = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::respcondition);
+        $this->generate_attributes($doc, $node, $namespace);
+
+        if (!empty($this->conditionvar)) {
+            $this->conditionvar->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->setvar)) {
+            foreach ($this->setvar as $setvar) {
+                $setvar->generate($doc, $node, $namespace);
+            }
+        }
+
+        if (!empty($this->displayfeedback)) {
+            foreach ($this->displayfeedback as $displayfeedback) {
+                $displayfeedback->generate($doc, $node, $namespace);
+            }
+        }
+    }
+}
+
+
+class cc_assesment_resprocessingtype extends cc_question_metadata_base {
+    /**
+     * @var cc_assesment_decvartype
+     */
+    protected $decvar = null;
+    /**
+     * @var array
+     */
+    protected $respconditions = array();
+
+    public function set_decvar(cc_assesment_decvartype $object) {
+        $this->decvar = $object;
+    }
+
+    public function add_respcondition(cc_assesment_respconditiontype $object) {
+        $this->respconditions[] = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::resprocessing);
+        $outcomes = $doc->append_new_element_ns($node, $namespace, cc_qti_tags::outcomes);
+        if (!empty($this->decvar)) {
+            $this->decvar->generate($doc, $outcomes, $namespace);
+        }
+        if (!empty($this->respconditions)) {
+            foreach ($this->respconditions as $rcond) {
+                $rcond->generate($doc, $node, $namespace);
+            }
+        }
+    }
+}
+
+
+class cc_assesment_itemfeedback_shintmaterial_base extends cc_question_metadata_base {
+    /**
+     * @var string
+     */
+    protected $tagname = null;
+    /**
+     * @var array
+     */
+    protected $flow_mats = array();
+    /**
+     * @var array
+     */
+    protected $materials = array();
+
+    /**
+     * @param cc_assesment_flow_mattype $object
+     */
+    public function add_flow_mat(cc_assesment_flow_mattype $object) {
+        $this->flow_mats[] = $object;
+    }
+
+    /**
+     * @param cc_assesment_material $object
+     */
+    public function add_material(cc_assesment_material $object) {
+        $this->materials[] = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, $this->tagname);
+
+        if (!empty($this->flow_mats)) {
+            foreach ($this->flow_mats as $flow_mat) {
+                $flow_mat->generate($doc, $node, $namespace);
+            }
+        }
+
+        if (!empty($this->materials)) {
+            foreach ($this->materials as $material) {
+                $material->generate($doc, $node, $namespace);
+            }
+        }
+    }
+}
+
+class cc_assesment_itemfeedback_hintmaterial extends cc_assesment_itemfeedback_shintmaterial_base {
+    public function __construct() {
+        $this->tagname = cc_qti_tags::hint;
+    }
+}
+
+class cc_assesment_itemfeedback_solutionmaterial extends cc_assesment_itemfeedback_shintmaterial_base {
+    public function __construct() {
+        $this->tagname = cc_qti_tags::solutionmaterial;
+    }
+}
+
+class cc_assesment_itemfeedback_shintype_base extends cc_question_metadata_base {
+    /**
+     * @var string
+     */
+    protected $tagname = null;
+    /**
+     * @var array
+    */
+    protected $items = array();
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::feedbackstyle, cc_qti_values::Complete);
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, $this->tagname);
+        $this->generate_attributes($doc, $node, $namespace);
+
+        if (!empty($this->items)) {
+            foreach ($this->items as $telement) {
+                $telement->generate($doc, $node, $namespace);
+            }
+        }
+    }
+}
+
+class cc_assesment_itemfeedback_solutiontype extends cc_assesment_itemfeedback_shintype_base {
+    public function __construct() {
+        parent::__construct();
+        $this->tagname = cc_qti_tags::solution;
+    }
+
+    /**
+     * @param cc_assesment_itemfeedback_solutionmaterial $object
+     */
+    public function add_solutionmaterial(cc_assesment_itemfeedback_solutionmaterial $object) {
+        $this->items[] = $object;
+    }
+}
+
+class cc_assesment_itemfeedbac_hinttype extends cc_assesment_itemfeedback_shintype_base {
+    public function __construct() {
+        parent::__construct();
+        $this->tagname = cc_qti_tags::hint;
+    }
+
+    /**
+     * @param cc_assesment_itemfeedback_hintmaterial $object
+     */
+    public function add_hintmaterial(cc_assesment_itemfeedback_hintmaterial $object) {
+        $this->items[] = $object;
+    }
+}
+
+class cc_assesment_itemfeedbacktype extends cc_question_metadata_base {
+    /**
+     * @var cc_assesment_flow_mattype
+     */
+    protected $flow_mat = null;
+    /**
+     * @var cc_assesment_material
+     */
+    protected $material = null;
+    /**
+     * @var cc_assesment_itemfeedback_solutiontype
+     */
+    protected $solution = null;
+    protected $hint = null;
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::ident, cc_helpers::uuidgen('I_'));
+        $this->set_setting(cc_qti_tags::title);
+    }
+
+    /**
+     * @param string $value
+     */
+    public function set_ident($value) {
+        $this->set_setting(cc_qti_tags::ident, $value);
+    }
+
+    /**
+     * @param string $value
+     */
+    public function set_title($value) {
+        $this->set_setting(cc_qti_tags::title, $value);
+    }
+
+    /**
+     * @param cc_assesment_flow_mattype $object
+     */
+    public function set_flow_mat(cc_assesment_flow_mattype $object) {
+        $this->flow_mat = $object;
+    }
+
+    /**
+     * @param cc_assesment_material $object
+     */
+    public function set_material(cc_assesment_material $object) {
+        $this->material = $object;
+    }
+
+    /**
+     * @param cc_assesment_itemfeedback_solutiontype $object
+     */
+    public function set_solution(cc_assesment_itemfeedback_solutiontype $object) {
+        $this->solution = $object;
+    }
+
+    public function set_hint($object) {
+        $this->hint = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::itemfeedback);
+        $this->generate_attributes($doc, $node, $namespace);
+
+        if (!empty($this->flow_mat) && empty($this->material)) {
+            $this->flow_mat->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->material) && empty($this->flow_mat)) {
+            $this->material->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->solution)) {
+            $this->solution->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->itemfeedback)) {
+            $this->itemfeedback->generate($doc, $node, $namespace);
+        }
+    }
+}
+
+class cc_assesment_section_item extends cc_assesment_section {
+
+    /**
+     * @var cc_assesment_itemmetadata
+     */
+    protected $itemmetadata = null;
+    /**
+     * @var cc_assesment_presentation
+     */
+    protected $presentation = null;
+    protected $resprocessing = array();
+    protected $itemfeedback = array();
+
+    public function set_itemmetadata(cc_assesment_itemmetadata $object) {
+        $this->itemmetadata = $object;
+    }
+
+    public function set_presentation(cc_assesment_presentation $object) {
+        $this->presentation = $object;
+    }
+
+    public function add_resprocessing(cc_assesment_resprocessingtype $object) {
+        $this->resprocessing[] = $object;
+    }
+
+    public function add_itemfeedback(cc_assesment_itemfeedbacktype $object) {
+        $this->itemfeedback[] = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::item);
+        $this->generate_attributes($doc, $node, $namespace);
+
+        if (!empty($this->itemmetadata)) {
+            $this->itemmetadata->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->presentation)) {
+            $this->presentation->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->resprocessing)) {
+            foreach ($this->resprocessing as $resprocessing) {
+                $resprocessing->generate($doc, $node, $namespace);
+            }
+        }
+
+        if (!empty($this->itemfeedback)) {
+            foreach ($this->itemfeedback as $itemfeedback) {
+                $itemfeedback->generate($doc, $node, $namespace);
+            }
+        }
+    }
+}
+
+class cc_assesment_render_choicetype extends cc_question_metadata_base {
+    /**
+     * @var array
+     */
+    protected $materials = array();
+
+    /**
+     * @var array
+     */
+    protected $material_refs = array();
+
+    /**
+     * @var array
+     */
+    protected $response_labels = array();
+    /**
+     * @var array
+     */
+    protected $flow_labels = array();
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::shuffle, cc_qti_values::No);
+        $this->set_setting(cc_qti_tags::minnumber);
+        $this->set_setting(cc_qti_tags::maxnumber);
+    }
+
+    public function add_material(cc_assesment_material $object) {
+        $this->materials[] = $object;
+    }
+
+    public function add_material_ref(cc_assesment_response_matref $object) {
+        $this->material_refs[] = $object;
+    }
+
+    public function add_response_label(cc_assesment_response_labeltype $object) {
+        $this->response_labels[] = $object;
+    }
+
+    public function add_flow_label($object) {
+        $this->flow_labels[] = $object;
+    }
+
+    public function enable_shuffle($value = true) {
+        $this->enable_setting_yesno(cc_qti_tags::shuffle, $value);
+    }
+
+    public function set_limits($min = null, $max = null) {
+        $this->set_setting(cc_qti_tags::minnumber, $min);
+        $this->set_setting(cc_qti_tags::maxnumber, $max);
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::render_choice);
+        $this->generate_attributes($doc, $node, $namespace);
+
+        if (!empty($this->materials)) {
+            foreach ($this->materials as $mattag) {
+                $mattag->generate($doc, $node, $namespace);
+            }
+        }
+
+        if (!empty($this->material_refs)) {
+            foreach ($this->material_refs as $matreftag) {
+                $matreftag->generate($doc, $node, $namespace);
+            }
+        }
+
+        if (!empty($this->response_labels)) {
+            foreach ($this->response_labels as $resplabtag) {
+                $resplabtag->generate($doc, $node, $namespace);
+            }
+        }
+
+        if (!empty($this->flow_labels)) {
+            foreach ($this->flow_labels as $flowlabtag) {
+                $flowlabtag->generate($doc, $node, $namespace);
+            }
+        }
+    }
+
+}
+
+class cc_assesment_flow_mattype extends cc_question_metadata_base {
+
+    /**
+     * @var cc_assesment_material
+     */
+    protected $material = null;
+    /**
+     * @var cc_assesment_response_matref
+     */
+    protected $material_ref = null;
+    /**
+     * @var cc_assesment_flow_mattype
+     */
+    protected $flow_mat = null;
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::t_class);
+    }
+
+    public function set_class($value) {
+        $this->set_setting(cc_qti_tags::t_class, $value);
+    }
+
+    public function set_material(cc_assesment_material $object) {
+        $this->material = $object;
+    }
+
+    public function set_material_ref(cc_assesment_response_matref $object) {
+        $this->material_ref = $object;
+    }
+
+    public function set_flow_mat(cc_assesment_flow_mattype $object) {
+        $this->flow_mat = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::flow_mat);
+        $this->generate_attributes($doc, $node, $namespace);
+
+        if (!empty($this->flow_mat)) {
+            $this->flow_mat->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->material)) {
+            $this->material->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->material_ref)) {
+            $this->material_ref->generate($doc, $node, $namespace);
+        }
+    }
+}
+
+class cc_assesment_response_labeltype extends cc_question_metadata_base {
+    /**
+     * @var cc_assesment_material
+     */
+    protected $material = null;
+
+    /**
+     * @var cc_assesment_response_matref
+     */
+    protected $material_ref = null;
+
+    /**
+     * @var cc_assesment_flow_mattype
+     */
+    protected $flow_mat = null;
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::ident, cc_helpers::uuidgen('I_'));
+        $this->set_setting(cc_qti_tags::labelrefid);
+        $this->set_setting(cc_qti_tags::rshuffle);
+        $this->set_setting(cc_qti_tags::match_group);
+        $this->set_setting(cc_qti_tags::match_max);
+    }
+
+    public function set_ident($value) {
+        $this->set_setting(cc_qti_tags::ident, $value);
+    }
+
+    public function get_ident() {
+        return $this->get_setting(cc_qti_tags::ident);
+    }
+
+    public function set_labelrefid($value) {
+        $this->set_setting(cc_qti_tags::labelrefid, $value);
+    }
+
+    public function enable_rshuffle($value = true) {
+        $this->enable_setting_yesno(cc_qti_tags::rshuffle, $value);
+    }
+
+    public function set_match_group($value) {
+        $this->set_setting(cc_qti_tags::match_group, $value);
+    }
+
+    public function set_match_max($value) {
+        $this->set_setting(cc_qti_tags::match_max, $value);
+    }
+
+    public function set_material(cc_assesment_material $object) {
+        $this->material = $object;
+    }
+
+    public function set_material_ref(cc_assesment_response_matref $object) {
+        $this->material_ref = $object;
+    }
+
+    public function set_flow_mat(cc_assesment_flow_mattype $object) {
+        $this->flow_mat = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::response_label);
+        $this->generate_attributes($doc, $node, $namespace);
+
+        if (!empty($this->material)) {
+            $this->material->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->material_ref)) {
+            $this->material_ref->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->flow_mat)) {
+            $this->flow_mat->generate($doc, $node, $namespace);
+        }
+    }
+}
+
+class cc_assesment_flow_labeltype extends cc_question_metadata_base {
+    /**
+     * @var cc_assesment_flow_labeltype
+     */
+    protected $flow_label = null;
+    /**
+     * @var cc_assesment_response_labeltype
+     */
+    protected $response_label = null;
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::t_class);
+    }
+
+    public function set_class($value) {
+        $this->set_setting(cc_qti_tags::t_class, $value);
+    }
+
+    public function set_flow_label(cc_assesment_flow_labeltype $object) {
+        $this->flow_label = $object;
+    }
+
+    public function set_response_label(cc_assesment_response_labeltype $object) {
+        $this->response_label = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::flow_label);
+        $this->generate_attributes($doc, $node, $namespace);
+
+        if (!empty($this->material)) {
+            $this->material->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->material_ref)) {
+            $this->material_ref->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->response_label)) {
+            $this->response_label->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->flow_label)) {
+            $this->flow_label->generate($doc, $node, $namespace);
+        }
+    }
+
+}
+
+
+class cc_assesment_render_fibtype extends cc_question_metadata_base {
+    /**
+     * @var cc_assesment_material
+     */
+    protected $material = null;
+
+    /**
+     * @var cc_assesment_response_matref
+     */
+    protected $material_ref = null;
+    /**
+     * @var cc_assesment_response_labeltype
+     */
+    protected $response_label = null;
+    /**
+     *
+     * Enter description here ...
+     * @var unknown_type
+     */
+    protected $flow_label = null;
+
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::encoding );
+        $this->set_setting(cc_qti_tags::charset  );
+        $this->set_setting(cc_qti_tags::rows     );
+        $this->set_setting(cc_qti_tags::columns  );
+        $this->set_setting(cc_qti_tags::maxchars );
+        $this->set_setting(cc_qti_tags::minnumber);
+        $this->set_setting(cc_qti_tags::maxnumber);
+        $this->set_setting(cc_qti_tags::prompt, cc_qti_values::Box);
+        $this->set_setting(cc_qti_tags::fibtype, cc_qti_values::String);
+    }
 
-require_once 'cc_general.php';
+    public function set_encoding($value) {
+        $this->set_setting(cc_qti_tags::encoding, $value);
+    }
+    public function set_charset($value) {
+        $this->set_setting(cc_qti_tags::charset, $value);
+    }
+
+    public function set_rows($value) {
+        $this->set_setting(cc_qti_tags::rows, $value);
+    }
+
+    public function set_columns($value) {
+        $this->set_setting(cc_qti_tags::columns, $value);
+    }
+
+    public function set_maxchars($value) {
+        $this->set_setting(cc_qti_tags::columns, $value);
+    }
+
+    public function set_limits($min = null, $max = null) {
+        $this->set_setting(cc_qti_tags::minnumber, $min);
+        $this->set_setting(cc_qti_tags::maxnumber, $max);
+    }
+
+    public function set_prompt($value) {
+        $this->set_setting(cc_qti_tags::prompt, $value);
+    }
+
+    public function set_fibtype($value) {
+        $this->set_setting(cc_qti_tags::fibtype, $value);
+    }
+
+    public function set_material(cc_assesment_material $object) {
+        $this->material = $object;
+    }
+
+    public function set_material_ref(cc_assesment_response_matref $object) {
+        $this->material_ref = $object;
+    }
+
+    public function set_response_label(cc_assesment_response_labeltype $object) {
+        $this->response_label = $object;
+    }
+
+    public function set_flow_label($object) {
+        $this->flow_label = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::render_fib);
+        $this->generate_attributes($doc, $node, $namespace);
+
+        if (!empty($this->material) && empty($this->material_ref)) {
+            $this->material->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->material_ref) && empty($this->material)) {
+            $this->material_ref->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->response_label)) {
+            $this->response_label->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->flow_label)) {
+            $this->flow_label->generate($doc, $node, $namespace);
+        }
+    }
+}
+
+class cc_response_lidtype extends cc_question_metadata_base {
+    /**
+     * @var string
+     */
+    protected $tagname = null;
+    /**
+     * @var cc_assesment_material
+     */
+    protected $material = null;
+
+    /**
+     * @var cc_assesment_response_matref
+     */
+    protected $material_ref = null;
+
+    /**
+     * @var cc_assesment_render_choicetype
+     */
+    protected $render_choice = null;
+
+    /**
+     * @var cc_assesment_render_fibtype
+     */
+    protected $render_fib = null;
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::rcardinality, cc_qti_values::Single);
+        $this->set_setting(cc_qti_tags::rtiming);
+        $this->set_setting(cc_qti_tags::ident, cc_helpers::uuidgen('I_'));
+        $this->tagname = cc_qti_tags::response_lid;
+    }
+
+    public function set_rcardinality($value) {
+        $this->set_setting(cc_qti_tags::rcardinality, $value);
+    }
+
+    public function enable_rtiming($value = true) {
+        $this->enable_setting_yesno(cc_qti_tags::rtiming, $value);
+    }
+
+    public function set_ident($value) {
+        $this->set_setting(cc_qti_tags::ident, $value);
+    }
+
+    public function get_ident() {
+        return $this->get_setting(cc_qti_tags::ident);
+    }
+
+    public function set_material_ref(cc_assesment_response_matref $object) {
+        $this->material_ref = $object;
+    }
+
+    public function set_material(cc_assesment_material $object) {
+        $this->material = $object;
+    }
+
+    public function set_render_choice(cc_assesment_render_choicetype $object) {
+        $this->render_choice = $object;
+    }
+
+    public function set_render_fib(cc_assesment_render_fibtype $object) {
+        $this->render_fib = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, $this->tagname);
+        $this->generate_attributes($doc, $node, $namespace);
+
+        if (!empty($this->material) && empty($this->material_ref)) {
+            $this->material->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->material_ref) && empty($this->material)) {
+            $this->material_ref->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->render_choice) && empty($this->render_fib)) {
+            $this->render_choice->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->render_fib) && empty($this->render_choice)) {
+            $this->render_fib->generate($doc, $node, $namespace);
+        }
+    }
+}
+
+class cc_assesment_response_strtype extends cc_response_lidtype {
+    public function __construct() {
+        $rtt = parent::__construct();
+        $this->tagname = cc_qti_tags::response_str;
+    }
+}
+
+class cc_assesment_flowtype extends cc_question_metadata_base {
+    /**
+     * @var cc_assesment_flowtype
+     */
+    protected $flow = null;
+    /**
+     * @var cc_assesment_material
+     */
+    protected $material = null;
+    /**
+     * @var cc_assesment_response_matref
+     */
+    protected $material_ref = null;
+    /**
+     * @var cc_response_lidtype
+     */
+    protected $response_lid = null;
+    /**
+     * @var cc_assesment_response_strtype
+     */
+    protected $response_str = null;
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::t_class);
+    }
+
+    public function set_class($value) {
+        $this->set_setting(cc_qti_tags::t_class, $value);
+    }
+
+    public function set_flow(cc_assesment_flowtype $object) {
+        $this->flow = $object;
+    }
+
+    public function set_material(cc_assesment_material $object) {
+        $this->material = $object;
+    }
+
+    public function set_material_ref(cc_assesment_response_matref $object) {
+        $this->material_ref = $object;
+    }
+
+    public function set_response_lid(cc_response_lidtype $object) {
+        $this->response_lid = $object;
+    }
+
+    public function set_response_str(cc_assesment_response_strtype $object) {
+        $this->response_str = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::flow);
+        $this->generate_attributes($doc, $node, $namespace);
+
+        if (!empty($this->flow)) {
+            $this->flow->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->material)) {
+            $this->material->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->response_lid)) {
+            $this->response_lid->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->response_str)) {
+            $this->response_str->generate($doc, $node, $namespace);
+        }
+    }
+}
+
+class cc_assesment_presentation extends cc_question_metadata_base {
+    /**
+     * @var cc_assesment_flowtype
+     */
+    protected $flow         = null;
+    /**
+     * @var cc_assesment_material
+     */
+    protected $material     = null;
+    /**
+     * @var cc_response_lidtype
+     */
+    protected $response_lid = null;
+    /**
+     * @var cc_assesment_response_strtype
+     */
+    protected $response_str = null;
+
+    public function __construct() {
+        $this->set_setting(cc_qti_tags::label);
+        $this->set_setting_wns(cc_qti_tags::xml_lang , cc_xml_namespace::xml);
+        $this->set_setting(cc_qti_tags::x0);
+        $this->set_setting(cc_qti_tags::y0);
+        $this->set_setting(cc_qti_tags::width);
+        $this->set_setting(cc_qti_tags::height);
+    }
+
+    public function set_label($value) {
+        $this->set_setting(cc_qti_tags::label, $value);
+    }
+
+    public function set_lang($value) {
+        $this->set_setting_wns(cc_qti_tags::xml_lang , cc_xml_namespace::xml, $value);
+    }
+
+    public function set_coor($x = null, $y = null) {
+        $this->set_setting(cc_qti_tags::x0, $x);
+        $this->set_setting(cc_qti_tags::y0, $y);
+    }
+
+    public function set_size($width = null, $height = null) {
+        $this->set_setting(cc_qti_tags::width, $width);
+        $this->set_setting(cc_qti_tags::height, $height);
+    }
+
+    public function set_flow(cc_assesment_flowtype $object) {
+        $this->flow = $object;
+    }
+
+    public function set_material(cc_assesment_material $object) {
+        $this->material = $object;
+    }
+
+    public function set_response_lid(cc_response_lidtype $object) {
+        $this->response_lid = $object;
+    }
+
+    public function set_response_str(cc_assesment_response_strtype $object) {
+        $this->response_str = $object;
+    }
+
+    public function generate(XMLGenericDocument &$doc, DOMNode &$item, $namespace) {
+        $node = $doc->append_new_element_ns($item, $namespace, cc_qti_tags::presentation);
+        $this->generate_attributes($doc, $node, $namespace);
+
+        if (!empty($this->flow)) {
+            $this->flow->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->material) && empty($this->flow)) {
+            $this->material->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->response_lid) && empty($this->flow)) {
+            $this->response_lid->generate($doc, $node, $namespace);
+        }
+
+        if (!empty($this->response_str) && empty($this->flow)) {
+            $this->response_str->generate($doc, $node, $namespace);
+        }
+    }
+}
 
 class assesment1_resurce_file extends general_cc_file {
     const deafultname = 'assesment.xml';
 
     protected $rootns   = 'xmlns';
-    protected $rootname = 'questestinterop';
+    protected $rootname = cc_qti_tags::questestinterop;
     protected $ccnamespaces = array('xmlns' => 'http://www.imsglobal.org/xsd/ims_qtiasiv1p2',
                                     'xsi'   => 'http://www.w3.org/2001/XMLSchema-instance');
     protected $ccnsnames = array('xmlns' => 'http://www.imsglobal.org/profile/cc/ccv1p0/derived_schema/domainProfile_4/ims_qtiasiv1p2_localised.xsd');
 
-    protected $assesment_title = null;
-    protected $assesment_ident = null;
-    protected $qtimetadata = array();
+    /**
+     * @var string
+     */
+    protected $assessment_title = 'Untitled';
+    /**
+     * @var cc_assesment_metadata
+     */
+    protected $metadata = null;
+    /**
+     * @var cc_assesment_rubric_base
+     */
+    protected $rubric = null;
+
+    /**
+     * @var cc_assesment_presentation_material_base
+     */
+    protected $presentation_material = null;
+
+    /**
+     * @var cc_assesment_section
+     */
+    protected $section = null;
+
+    public function set_metadata(cc_assesment_metadata $object) {
+        $this->metadata = $object;
+    }
+
+    public function set_rubric(cc_assesment_rubric_base $object) {
+        $this->rubric = $object;
+    }
+
+    public function set_presentation_material(cc_assesment_presentation_material_base $object) {
+        $this->presentation_material = $object;
+    }
+
+    public function set_section(cc_assesment_section $object) {
+        $this->section = $object;
+    }
+
+    public function set_title($value) {
+        $this->assessment_title = $value;
+    }
 
     protected function on_save() {
         $rns = $this->ccnamespaces[$this->rootns];
-        //add some root stuff
-        $assesment = $this->append_new_element_ns($this->root, $rns, 'assesment');
-        $this->append_new_attribute_ns($assesment, $rns, 'ident', $this->assesment_ident);
-        $this->append_new_attribute_ns($assesment, $rns, 'title', $this->assesment_title);
+        //root assesment element - required
+        $assessment = $this->append_new_element_ns($this->root, $rns, cc_qti_tags::assessment);
+        $this->append_new_attribute_ns($assessment, $rns, cc_qti_tags::ident, cc_helpers::uuidgen('QDB_'));
+        $this->append_new_attribute_ns($assessment, $rns, cc_qti_tags::title, $this->assessment_title);
 
-        if (!empty($this->qtimetadata)) {
-            $qtimetadata = $this->append_new_element_ns($assesment, $rns, 'qtimetadata');
-            foreach ($this->qtimetadata as $label => $entry) {
-                $this->append_new_element_ns($qtimetadata, $rns, 'fieldlabel', $label);
-                $this->append_new_element_ns($qtimetadata, $rns, 'fieldentry', $entry);
-            }
+        //metadata - optional
+        if (!empty($this->metadata)) {
+            $this->metadata->generate($this, $assessment, $rns);
+        }
+
+        //rubric - optional
+        if (!empty($this->rubric)) {
+            $this->rubric->generate($this, $assessment, $rns);
+        }
+
+        //presentation_material - optional
+        if (!empty($this->presentation_material)) {
+            $this->presentation_material->generate($this, $assessment, $rns);
         }
 
-        //TODO: implement section processing (looks quite complicated for implementing)
+        //section - required
+        if (!empty($this->section)) {
+            $this->section->generate($this, $assessment, $rns);
+        }
 
-        //TODO: finish this!
-        return false;
+        return true;
     }
 }
 
@@ -62,3 +1838,492 @@ class assesment1_resurce_file extends general_cc_file {
 class assesment11_resurce_file extends assesment1_resurce_file {
     protected $ccnsnames = array('xmlns' => 'http://www.imsglobal.org/profile/cc/ccv1p1/ccv1p1_qtiasiv1p2p1_v1p0.xsd');
 }
+
+abstract class cc_assesment_helper {
+
+    public static $correct_fb = null;
+    public static $incorrect_fb = null;
+
+    public static function add_feedback($qitem, $content, $content_type, $ident) {
+        if (empty($content)) {
+            return false;
+        }
+        $qitemfeedback = new cc_assesment_itemfeedbacktype();
+        $qitem->add_itemfeedback($qitemfeedback);
+        if (!empty($ident)) {
+            $qitemfeedback->set_ident($ident);
+        }
+        $qflowmat = new cc_assesment_flow_mattype();
+        $qitemfeedback->set_flow_mat($qflowmat);
+        $qmaterialfb = new cc_assesment_material();
+        $qflowmat->set_material($qmaterialfb);
+        $qmattext = new cc_assesment_mattext();
+        $qmaterialfb->set_mattext($qmattext);
+        $qmattext->set_content($content, $content_type);
+        return true;
+    }
+
+    public static function add_answer($qresponse_choice, $content, $content_type) {
+        $qresponse_label = new cc_assesment_response_labeltype();
+        $qresponse_choice->add_response_label($qresponse_label);
+        $qrespmaterial = new cc_assesment_material();
+        $qresponse_label->set_material($qrespmaterial);
+        $qrespmattext = new cc_assesment_mattext();
+        $qrespmaterial->set_mattext($qrespmattext);
+        $qrespmattext->set_content($content, $content_type);
+        return $qresponse_label;
+    }
+
+    public static function add_response_condition() {
+
+    }
+
+    public static function add_assesment_description($rt, $content, $contenttype) {
+        if (empty($rt) || empty($content)) {
+            return;
+        }
+        $activity_rubric = new cc_assesment_rubric_base();
+        $rubric_material = new cc_assesment_material();
+        $activity_rubric->set_material($rubric_material);
+        $rubric_mattext = new cc_assesment_mattext();
+        $rubric_material->set_label('Summary');
+        $rubric_material->set_mattext($rubric_mattext);
+        $rubric_mattext->set_content($content, $contenttype);
+        $rt->set_rubric($activity_rubric);
+    }
+
+    /**
+     *
+     * Enter description here ...
+     * @param unknown_type $qdoc
+     * @param unknown_type $manifest
+     * @param cc_assesment_section $section
+     * @param unknown_type $rootpath
+     * @param unknown_type $contextid
+     * @param unknown_type $outdir
+     */
+    public static function process_questions(&$qdoc, &$manifest, cc_assesment_section &$section, $rootpath, $contextid, $outdir) {
+        $question_file = $rootpath . DIRECTORY_SEPARATOR . 'questions.xml';
+        //load questions file
+        $questions = new XMLGenericDocument();
+        if (!$questions->load($question_file)) {
+            return false;
+        }
+
+        pkg_resource_dependencies::instance()->reset();
+
+        $qids = explode(',', $qdoc->nodeValue('/activity/quiz/questions'));
+        foreach ($qids as $value) {
+            if (intval($value) == 0) {
+                continue;
+            }
+            $question_node = $questions->node("//question_category/questions/question[@id='{$value}']");
+            if (empty($question_node)) {
+                continue;
+            }
+            //process question
+            //question type
+            $qtype = $questions->nodeValue('qtype', $question_node);
+            $question_processor = null;
+            switch ($qtype) {
+                case 'multichoice':
+                    $single_correct_answer = (int)$questions->nodeValue('plugin_qtype_multichoice_question/multichoice/single', $question_node) > 0;
+                    if ($single_correct_answer) {
+                        $question_processor = new cc_assesment_question_multichoice($qdoc, $questions, $manifest, $section, $question_node, $rootpath, $contextid, $outdir);
+                        $question_processor->generate();
+                    } else {
+                        //TODO: implement
+                    }
+                ;
+                break;
+
+                default:
+                    ;
+                break;
+            }
+
+        }
+
+        //return dependencies
+        return pkg_resource_dependencies::instance()->get_deps();
+    }
+
+}
+
+class cc_assesment_question_proc_base {
+    /**
+     * @var XMLGenericDocument
+     */
+    protected $quiz = null;
+
+    /**
+     * @var XMLGenericDocument
+     */
+    protected $questions = null;
+
+    /**
+    * @var cc_manifest
+    */
+    protected $manifest = null;
+
+    /**
+     * @var cc_assesment_section
+     */
+    protected $section = null;
+
+    /**
+     * @var DOMElement
+     */
+    protected $question_node = null;
+
+    /**
+     * @var string
+     */
+    protected $rootpath = null;
+
+    /**
+     * @var string
+     */
+    protected $contextid = null;
+
+    /**
+     * @var string
+     */
+    protected $outdir = null;
+
+    /**
+     * @var string
+     */
+    protected $qtype = null;
+
+    /**
+     * @var cc_question_metadata
+     */
+    protected $qmetadata = null;
+
+    /**
+     * @var cc_assesment_section_item
+     */
+    protected $qitem = null;
+
+    /**
+     * @var cc_assesment_presentation
+     */
+    protected $qpresentation = null;
+
+    /**
+     * @var cc_response_lidtype
+     */
+    protected $qresponse_lid = null;
+
+    protected $qresprocessing = null;
+
+    protected $correct_grade_value = null;
+    protected $correct_answer_node_id = null;
+    protected $correct_answer_ident = null;
+
+    protected $total_grade_value = null;
+
+    protected $answerlist = null;
+
+    protected $general_feedback = null;
+    protected $correct_feedbacks = array();
+    protected $incorrect_feedbacks = array();
+
+    /**
+     * @param XMLGenericDocument $questions
+     * @param cc_manifest $manifest
+     * @param cc_assesment_section $section
+     * @param DOMElement $question_node
+     * @param string $rootpath
+     * @param string $contextid
+     * @param string $outdir
+     */
+    public function __construct(XMLGenericDocument &$quiz, XMLGenericDocument &$questions, cc_manifest &$manifest, cc_assesment_section &$section, &$question_node, $rootpath, $contextid, $outdir) {
+        $this->quiz = $quiz;
+        $this->questions = $questions;
+        $this->manifest = $manifest;
+        $this->section = $section;
+        $this->question_node = $question_node;
+        $this->rootpath = $rootpath;
+        $this->contextid = $contextid;
+        $this->outdir = $outdir;
+
+        //
+        $qitem = new cc_assesment_section_item();
+        $this->section->add_item($qitem);
+        $qitem->set_title($this->questions->nodeValue('name', $this->question_node));
+        $this->qitem = $qitem;
+    }
+
+    public function on_generate_metadata() {
+        if (empty($this->qmetadata)) {
+            $this->qmetadata = new cc_question_metadata($this->qtype);
+            $rts = new cc_assesment_itemmetadata();
+            $rts->add_metadata($this->qmetadata);
+            $this->qitem->set_itemmetadata($rts);
+        }
+    }
+
+    public function on_generate_presentation() {
+        if (empty($this->qpresentation)) {
+            $qpresentation = new cc_assesment_presentation();
+            $this->qitem->set_presentation($qpresentation);
+            //add question text
+            $qmaterial = new cc_assesment_material();
+            $qmattext = new cc_assesment_mattext();
+            $question_text = $this->questions->nodeValue('questiontext', $this->question_node);
+            $result = cc_helpers::process_linked_files( $question_text,
+                                                        $this->manifest,
+                                                        $this->rootpath,
+                                                        $this->contextid,
+                                                        $this->outdir);
+            $qmattext->set_content($result[0], cc_qti_values::htmltype);
+            $qmaterial->set_mattext($qmattext);
+            $qpresentation->set_material($qmaterial);
+            $this->qpresentation = $qpresentation;
+            pkg_resource_dependencies::instance()->add($result[1]);
+        }
+    }
+
+    public function on_generate_answers() {}
+    public function on_generate_feedbacks() {
+        $general_question_feedback = $this->questions->nodeValue('generalfeedback', $this->question_node);
+        if (empty($general_question_feedback)) {
+            return;
+        }
+        $name = 'general_fb';
+        //Add question general feedback - the one that should be always displayed
+        $result = cc_helpers::process_linked_files( $general_question_feedback,
+                                                    $this->manifest,
+                                                    $this->rootpath,
+                                                    $this->contextid,
+                                                    $this->outdir);
+
+        cc_assesment_helper::add_feedback($this->qitem,
+                                          $result[0],
+                                          cc_qti_values::htmltype,
+                                          $name);
+        pkg_resource_dependencies::instance()->add($result[1]);
+        $this->general_feedback = $name;
+    }
+
+    public function on_generate_response_processing() {
+
+        $qresprocessing = new cc_assesment_resprocessingtype();
+        $this->qitem->add_resprocessing($qresprocessing);
+        $qdecvar = new cc_assesment_decvartype();
+        $qresprocessing->set_decvar($qdecvar);
+        //according to the Common Cartridge 1.1 Profile: Implementation document
+        //this should always be set to 0, 100 in case of question type that is not essay
+        $qdecvar->set_limits(0,100);
+        $qdecvar->set_vartype(cc_qti_values::Decimal);
+
+        $this->qresprocessing = $qresprocessing;
+
+    }
+
+    public function generate() {
+        $this->on_generate_metadata();
+
+        $this->on_generate_presentation();
+
+        $this->on_generate_answers();
+
+        $this->on_generate_feedbacks();
+
+        $this->on_generate_response_processing();
+    }
+
+}
+
+class cc_assesment_question_multichoice extends cc_assesment_question_proc_base {
+    public function __construct($quiz, $questions, $manifest, $section, $question_node, $rootpath, $contextid, $outdir) {
+        parent::__construct($quiz, $questions, $manifest, $section, $question_node, $rootpath, $contextid, $outdir);
+        $this->qtype = cc_qti_profiletype::multiple_choice;
+
+        $correct_grade_value = $this->questions->nodeValue('defaultmark', $this->question_node);
+        $correct_answer_node = $this->questions->node("plugin_qtype_multichoice_question/answers/answer[fraction={$correct_grade_value}]", $this->question_node);
+        $this->correct_answer_node_id = $this->questions->nodeValue('@id', $correct_answer_node);
+        $maximum_quiz_grade = (int)$this->quiz->nodeValue('/activity/quiz/grade');
+        $this->total_grade_value = ($maximum_quiz_grade + (int)$correct_grade_value).'.0000000';
+
+    }
+
+    public function on_generate_answers() {
+        //add responses holder
+        $qresponse_lid = new cc_response_lidtype();
+        $this->qresponse_lid = $qresponse_lid;
+        $this->qpresentation->set_response_lid($qresponse_lid);
+        $qresponse_choice = new cc_assesment_render_choicetype();
+        $qresponse_lid->set_render_choice($qresponse_choice);
+        //Mark that question has only one correct answer -
+        //which applies for multiple choice and yes/no questions
+        $qresponse_lid->set_rcardinality(cc_qti_values::Single);
+        //are we to shuffle the responses?
+        $shuffle_answers = (int)$this->quiz->nodeValue('/activity/quiz/shuffleanswers') > 0;
+        $qresponse_choice->enable_shuffle($shuffle_answers);
+        $answerlist = array();
+        $qa_responses = $this->questions->nodeList('plugin_qtype_multichoice_question/answers/answer', $this->question_node);
+        foreach ($qa_responses as $node) {
+            $answer_content = $this->questions->nodeValue('answertext', $node);
+            $id = ((int)$this->questions->nodeValue('@id', $node) == $this->correct_answer_node_id);
+            $result = cc_helpers::process_linked_files( $answer_content,
+                                                        $this->manifest,
+                                                        $this->rootpath,
+                                                        $this->contextid,
+                                                        $this->outdir);
+            $qresponse_label = cc_assesment_helper::add_answer( $qresponse_choice,
+                                                                $result[0],
+                                                                cc_qti_values::htmltype);
+            pkg_resource_dependencies::instance()->add($result[1]);
+            $answer_ident = $qresponse_label->get_ident();
+            $feedback_ident = $answer_ident.'_fb';
+            if ($id) {
+                $this->correct_answer_ident = $answer_ident;
+            }
+            //add answer specific feedbacks if not empty
+            $content = $this->questions->nodeValue('feedback', $node);
+            if (!empty($content)) {
+                $result = cc_helpers::process_linked_files( $content,
+                                                            $this->manifest,
+                                                            $this->rootpath,
+                                                            $this->contextid,
+                                                            $this->outdir);
+
+
+                cc_assesment_helper::add_feedback( $this->qitem,
+                                                   $result[0],
+                                                   cc_qti_values::htmltype,
+                                                   $feedback_ident);
+
+                pkg_resource_dependencies::instance()->add($result[1]);
+
+                $answerlist[$answer_ident] = $feedback_ident;
+            }
+        }
+
+        $this->answerlist = $answerlist;
+
+    }
+
+    public function on_generate_feedbacks() {
+        parent::on_generate_feedbacks();
+        //Question combined feedbacks
+        $correct_question_fb = $this->questions->nodeValue('plugin_qtype_multichoice_question/multichoice/correctfeedback', $this->question_node);
+        $incorrect_question_fb = $this->questions->nodeValue('plugin_qtype_multichoice_question/multichoice/incorrectfeedback', $this->question_node);
+        $proc = array('correct_fb' => $correct_question_fb, 'general_incorrect_fb' => $incorrect_question_fb);
+        foreach ($proc as $ident => $content) {
+            if (empty($content)) {
+                continue;
+            }
+            $result = cc_helpers::process_linked_files( $content,
+                                                        $this->manifest,
+                                                        $this->rootpath,
+                                                        $this->contextid,
+                                                        $this->outdir);
+
+            cc_assesment_helper::add_feedback( $this->qitem,
+                                               $result[0],
+                                               cc_qti_values::htmltype,
+                                               $ident);
+
+            pkg_resource_dependencies::instance()->add($result[1]);
+            if ($ident == 'correct_fb') {
+                $this->correct_feedbacks[] = $ident;
+            } else {
+                $this->incorrect_feedbacks[] = $ident;
+            }
+        }
+
+    }
+
+    public function on_generate_response_processing() {
+        parent::on_generate_response_processing();
+
+        //respconditions
+        /**
+         * General unconditional feedback must be added as a first respcondition
+         * without any condition and just displayfeedback (if exists)
+         */
+        if (!empty($this->general_feedback)) {
+            $qrespcondition = new cc_assesment_respconditiontype();
+            $qrespcondition->set_title('General feedback');
+            $this->qresprocessing->add_respcondition($qrespcondition);
+            $qrespcondition->enable_continue();
+            //define the condition for success
+            $qconditionvar = new cc_assignment_conditionvar();
+            $qrespcondition->set_conditionvar($qconditionvar);
+            $qother = new cc_assignment_conditionvar_othertype();
+            $qconditionvar->set_other($qother);
+            $qdisplayfeedback = new cc_assignment_displayfeedbacktype();
+            $qrespcondition->add_displayfeedback($qdisplayfeedback);
+            $qdisplayfeedback->set_feedbacktype(cc_qti_values::Response);
+            $qdisplayfeedback->set_linkrefid('general_fb');
+        }
+
+        //success condition
+        /**
+         * For all question types outside of the Essay question, scoring is done in a
+         * single <respcondition> with a continue flag set to No. The outcome is always
+         * a variable named SCORE which value must be set to 100 in case of correct answer.
+         * Partial scores (not 0 or 100) are not supported.
+         */
+        $qrespcondition = new cc_assesment_respconditiontype();
+        $qrespcondition->set_title('Correct');
+        $this->qresprocessing->add_respcondition($qrespcondition);
+        $qrespcondition->enable_continue(false);
+        $qsetvar = new cc_assignment_setvartype(100);
+        $qrespcondition->add_setvar($qsetvar);
+        //define the condition for success
+        $qconditionvar = new cc_assignment_conditionvar();
+        $qrespcondition->set_conditionvar($qconditionvar);
+        $qvarequal = new cc_assignment_conditionvar_varequaltype($this->correct_answer_ident);
+        $qconditionvar->set_varequal($qvarequal);
+        $qvarequal->set_respident($this->qresponse_lid->get_ident());
+
+        if (array_key_exists($this->correct_answer_ident, $this->answerlist)) {
+            $qdisplayfeedback = new cc_assignment_displayfeedbacktype();
+            $qrespcondition->add_displayfeedback($qdisplayfeedback);
+            $qdisplayfeedback->set_feedbacktype(cc_qti_values::Response);
+            $qdisplayfeedback->set_linkrefid($this->answerlist[$this->correct_answer_ident]);
+        }
+
+        foreach ($this->correct_feedbacks as $ident) {
+            $qdisplayfeedback = new cc_assignment_displayfeedbacktype();
+            $qrespcondition->add_displayfeedback($qdisplayfeedback);
+            $qdisplayfeedback->set_feedbacktype(cc_qti_values::Response);
+            $qdisplayfeedback->set_linkrefid($ident);
+        }
+
+        //rest of the conditions
+        foreach ($this->answerlist as $ident => $refid) {
+            if ($ident == $this->correct_answer_ident) {
+                continue;
+            }
+
+            $qrespcondition = new cc_assesment_respconditiontype();
+            $this->qresprocessing->add_respcondition($qrespcondition);
+            $qsetvar = new cc_assignment_setvartype(0);
+            $qrespcondition->add_setvar($qsetvar);
+            //define the condition for fail
+            $qconditionvar = new cc_assignment_conditionvar();
+            $qrespcondition->set_conditionvar($qconditionvar);
+            $qvarequal = new cc_assignment_conditionvar_varequaltype($ident);
+            $qconditionvar->set_varequal($qvarequal);
+            $qvarequal->set_respident($this->qresponse_lid->get_ident());
+
+            $qdisplayfeedback = new cc_assignment_displayfeedbacktype();
+            $qrespcondition->add_displayfeedback($qdisplayfeedback);
+            $qdisplayfeedback->set_feedbacktype(cc_qti_values::Response);
+            $qdisplayfeedback->set_linkrefid($refid);
+
+            foreach ($this->incorrect_feedbacks as $ident) {
+                $qdisplayfeedback = new cc_assignment_displayfeedbacktype();
+                $qrespcondition->add_displayfeedback($qdisplayfeedback);
+                $qdisplayfeedback->set_feedbacktype(cc_qti_values::Response);
+                $qdisplayfeedback->set_linkrefid($ident);
+            }
+        }
+    }
+}
index e672f1e..ffdc342 100644 (file)
@@ -155,11 +155,9 @@ abstract class cc_convert_moodle2 {
                         $caller = "cc_converter_{$activity_type}";
                         if (class_exists($caller)) {
                             $obj = new $caller($aitem, $manifest, $packageroot, $path);
-                            if ( !$obj->convert($outdir) ) {
-                                echo "failed to convert {$activity_type}".PHP_EOL;
+                            if (!$obj->convert($outdir)) {
+                                throw new RuntimeException("failed to convert {$activity_type}");
                             }
-                        } else {
-                            echo "skipped {$activity_type}".PHP_EOL;
                         }
                     }
                 }
index 1a2b681..9a1a255 100644 (file)
@@ -35,12 +35,18 @@ class cc_converter_lti extends cc_converter {
 
     public function convert($outdir) {
         $rt = new basicltil1_resurce_file();
+        $contextid = $this->doc->nodeValue('/activity/@contextid');
         $title = $this->doc->nodeValue('/activity/lti/name');
         $rt->set_title($title);
-        $rt->set_description($this->doc->nodeValue('/activity/lti/intro'));
+        $result = cc_helpers::process_linked_files($text,
+                                                   $this->manifest,
+                                                   $this->rootpath,
+                                                   $contextid,
+                                                   $outdir);
+        $rt->set_description($result[0]);
         $rt->set_launch_url($this->doc->nodeValue('/activity/lti/toolurl'));
         $rt->set_launch_icon('');
-        $this->store($rt, $outdir, $title);
+        $this->store($rt, $outdir, $title, $result[1]);
         return true;
     }
 }
diff --git a/backup/cc/cc_lib/cc_converter_quiz.php b/backup/cc/cc_lib/cc_converter_quiz.php
new file mode 100644 (file)
index 0000000..343f3a4
--- /dev/null
@@ -0,0 +1,69 @@
+<?php
+
+require_once 'cc_converters.php';
+require_once 'cc_general.php';
+require_once 'cc_asssesment.php';
+
+class cc_converter_quiz extends cc_converter {
+
+    public function __construct(cc_i_item &$item, cc_i_manifest &$manifest, $rootpath, $path){
+        $this->cc_type     = cc_version11::assessment;
+        $this->defaultfile = 'quiz.xml';
+        $this->defaultname = assesment11_resurce_file::deafultname;
+        parent::__construct($item, $manifest, $rootpath, $path);
+    }
+
+    public function convert($outdir) {
+        $rt = new assesment11_resurce_file();
+        $title = $this->doc->nodeValue('/activity/quiz/name');
+        $rt->set_title($title);
+
+        //metadata
+        $metadata = new cc_assesment_metadata();
+        $rt->set_metadata($metadata);
+        $metadata->enable_feedback();
+        $metadata->enable_hints();
+        $metadata->enable_solutions();
+        //attempts
+        $max_attempts = (int)$this->doc->nodeValue('/activity/quiz/attempts_number');
+        if ($max_attempts > 0) {
+            //qti does not support number of specific attempts bigger than 5 (??)
+            if ($max_attempts > 5) {
+                $max_attempts = cc_qti_values::unlimited;
+            }
+            $metadata->set_maxattempts($max_attempts);
+        }
+        //timelimit must be converted into minutes
+        $timelimit = (int)floor((int)$this->doc->nodeValue('/activity/quiz/timelimit')/60);
+        if ($timelimit > 0) {
+            $metadata->set_timelimit($timelimit);
+            $metadata->enable_latesubmissions(false);
+        }
+
+        $contextid = $this->doc->nodeValue('/activity/@contextid');
+        $result = cc_helpers::process_linked_files( $this->doc->nodeValue('/activity/quiz/intro'),
+                                                    $this->manifest,
+                                                    $this->rootpath,
+                                                    $contextid,
+                                                    $outdir);
+        cc_assesment_helper::add_assesment_description($rt, $result[0], cc_qti_values::htmltype);
+
+        //section
+        $section = new cc_assesment_section();
+        $rt->set_section($section);
+
+        //Process the actual questions
+        $ndeps = cc_assesment_helper::process_questions($this->doc,
+                                                        $this->manifest,
+                                                        $section,
+                                                        $this->rootpath,
+                                                        $contextid,
+                                                        $outdir);
+        //store any additional dependencies
+        $deps = array_merge($result[1], $ndeps);
+
+        //store everything
+        $this->store($rt, $outdir, $title, $deps);
+        return true;
+    }
+}
index 40fda06..c341833 100644 (file)
@@ -82,10 +82,11 @@ abstract class cc_helpers {
     public static function embedded_files($html) {
         $result = array();
         $doc = new XMLGenericDocument();
-        if ($doc->loadHTML($html)) {
-            $list = $doc->nodeList("//img[starts-with(@src,'@@PLUGINFILE@@')]/@src");
+        if (!empty($html) && $doc->loadHTML($html)) {
+            $list = $doc->nodeList("//img[starts-with(@src,'@@PLUGINFILE@@')]/@src | //a[starts-with(@href,'@@PLUGINFILE@@')]/@href");
             foreach ($list as $filelink) {
-                $result[] = str_replace('@@PLUGINFILE@@', '', $filelink->nodeValue);
+                $rawvalue = rawurldecode(str_replace('@@PLUGINFILE@@', '', $filelink->nodeValue));
+                $result[] = $rawvalue;
             }
         }
         return $result;
@@ -226,7 +227,7 @@ abstract class cc_helpers {
         */
         $lfiles = self::embedded_files($content);
         $text = $content;
-        $deps = null;
+        $deps = array();
         if (!empty($lfiles)) {
             $files = self::handle_static_content($manifest,
                                                  $packageroot,
@@ -234,12 +235,14 @@ abstract class cc_helpers {
                                                  $outdir);
             foreach ($lfiles as $lfile) {
                 if (array_key_exists($lfile, $files)) {
-                    $text = str_replace('@@PLUGINFILE@@'.$lfile,
-                                        '$IMS-CC-FILEBASE$../'.$files[$lfile][1],
-                    $text);
+                    $filename = rawurlencode(basename($lfile));
+                    $content = str_replace('@@PLUGINFILE@@/'.$filename,
+                                           '$IMS-CC-FILEBASE$../'.$files[$lfile][1],
+                                           $content);
                     $deps[] = $files[$lfile][0];
                 }
             }
+            $text = $content;
         }
         return array($text, $deps);
     }
@@ -381,3 +384,50 @@ class pkg_static_resources {
         $this->finished = false  ;
     }
 }
+
+
+class pkg_resource_dependencies {
+    /**
+    * @var array
+    */
+    private $values = array();
+
+    /**
+     * @var pkg_resource_dependencies
+     */
+    private static $instance = null;
+
+    private function __clone() {
+    }
+    private function __construct() {
+    }
+
+    /**
+     * @return pkg_resource_dependencies
+     */
+    public static function instance() {
+        if (empty(self::$instance)) {
+            $c = __CLASS__;
+            self::$instance = new $c();
+        }
+        return self::$instance;
+    }
+
+    /**
+     * @param array $deps
+     */
+    public function add(array $deps) {
+        $this->values = array_merge($this->values, $deps);
+    }
+
+    public function reset() {
+        $this->values = array();
+    }
+
+    /**
+     * @return array
+     */
+    public function get_deps() {
+        return $this->values;
+    }
+}
index 0edb9e7..a3e7050 100644 (file)
@@ -1,25 +1,16 @@
 <?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    backup-convert
-* @subpackage cc-library
-* @copyright  2011 Darko Miletic <dmiletic@moodlerooms.com>
-* @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
-*/
+ * Implementation of Common Cartridge library based on
+ * {@link http://www.imsglobal.org/cc/ IMS Common Cartridge Standard v1.2}
+ *
+ * @author Darko Miletic
+ * @author Daniel Muhlrad (daniel.muhlrad@uvcms.com)
+ * @version 1.0
+ * @copyright 2009 {@link http://www.uvcms.com UVCMS e-learning}
+ * @package cc_library
+ *
+ */
 
 require_once 'gral_lib/cssparser.php';
 
@@ -207,11 +198,6 @@ class XMLGenericDocument {
                return $result;
        }
 
-//     public function nodeValue($path,$count = 1,$node=null){
-//             $nd = $this->node($path,$count,$node);
-//             return $this->nodeTextValue($nd);
-//     }
-
        /**
         *
         * Get's text value of the node based on xpath query
@@ -221,7 +207,7 @@ class XMLGenericDocument {
         * @return string
         */
        public function nodeValue($path, $node = null, $count = 1){
-           $nd = $this->node($path,$count,$node);
+           $nd = $this->node($path, $node, $count);
            return $this->nodeTextValue($nd);
        }
 
@@ -251,11 +237,11 @@ class XMLGenericDocument {
         *
         * Enter description here ...
         * @param string $path
-        * @param int $count
         * @param DOMNode $nd
+        * @param int $count
         * @return DOMNode
         */
-       public function node($path, $count = 1, $nd=null) {
+       public function node($path, $nd = null, $count = 1) {
                $result = null;
                $resultlist = $this->nodeList($path,$nd);
                if ( is_object($resultlist) &&
@@ -295,7 +281,7 @@ class XMLGenericDocument {
         */
        public function create_attribute_ns($namespace, $name, $value = null) {
            $result = $this->doc->createAttributeNS($namespace, $name);
-           if (!empty($value)) {
+           if (!is_null($value)) {
                $result->nodeValue = $value;
            }
            return $result;
@@ -310,7 +296,7 @@ class XMLGenericDocument {
         */
        public function create_attribute($name, $value = null) {
            $result = $this->doc->createAttribute($name);
-           if (!empty($value)) {
+           if (!is_null($value)) {
                $result->nodeValue = $value;
            }
            return $result;
@@ -327,7 +313,7 @@ class XMLGenericDocument {
         */
        public function append_new_element_ns(DOMNode &$parentnode, $namespace, $name, $value = null) {
            $newnode = null;
-           if (empty($value)) {
+           if (is_null($value)) {
                $newnode = $this->doc->createElementNS($namespace, $name);
            } else {
                $newnode = $this->doc->createElementNS($namespace, $name, $value);
@@ -335,6 +321,23 @@ class XMLGenericDocument {
            return $parentnode->appendChild($newnode);
        }
 
+       /**
+        *
+        * New node with CDATA content
+        * @param DOMNode $parentnode
+        * @param string $namespace
+        * @param string $name
+        * @param string $value
+        */
+       public function append_new_element_ns_cdata(DOMNode &$parentnode, $namespace, $name, $value = null) {
+           $newnode = $this->doc->createElementNS($namespace, $name);
+           if (!is_null($value)) {
+               $cdata = $this->doc->createCDATASection($value);
+               $newnode->appendChild($cdata);
+           }
+           return $parentnode->appendChild($newnode);
+       }
+
        /**
         *
         * Adds new node
@@ -345,7 +348,7 @@ class XMLGenericDocument {
         */
        public function append_new_element(DOMNode &$parentnode, $name, $value = null) {
            $newnode = null;
-           if (empty($value)) {
+           if (is_null($value)) {
                $newnode = $this->doc->createElement($name);
            } else {
                $newnode = $this->doc->createElement($name, $value);
index a7987da..aeb54b3 100644 (file)
@@ -206,6 +206,8 @@ $string['rootsettingcomments'] = 'Include comments';
 $string['rootsettinguserscompletion'] = 'Include user completion details';
 $string['rootsettinglogs'] = 'Include course logs';
 $string['rootsettinggradehistories'] = 'Include grade history';
+$string['rootsettingimscc1'] = 'Convert to IMS Common Cartridge 1.0';
+$string['rootsettingimscc11'] = 'Convert to IMS Common Cartridge 1.1';
 $string['storagecourseonly'] = 'Course backup filearea';
 $string['storagecourseandexternal'] = 'Course backup filearea and the specified directory';
 $string['storageexternalonly'] = 'Specified directory for automated backups';