Proyectos de Subversion Moodle

<?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

 * @copyright  2012 Darko Miletic <dmiletic@moodlerooms.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

defined('MOODLE_INTERNAL') or die('Direct access to this script is forbidden.');

require_once('cc_asssesment.php');

class cc_assesment_question_sfib 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::field_entry;

        $this->correct_answer_node_id = $this->questions->nodeValue(

            'plugin_qtype_truefalse_question/truefalse/trueanswer',

            $this->question_node

        );

        $maximum_quiz_grade = (int)$this->quiz->nodeValue('/activity/quiz/grade');

        $this->total_grade_value = ($maximum_quiz_grade + 1).'.0000000';

    }

    public function on_generate_metadata() {

        parent::on_generate_metadata();

        $category = $this->questions->nodeValue('../../name', $this->question_node);

        if (!empty($category)) {

            $this->qmetadata->set_category($category);

        }

    }

    public function on_generate_presentation() {

        parent::on_generate_presentation();

        $response_str = new cc_assesment_response_strtype();

        $response_fib = new cc_assesment_render_fibtype();

         // The standard requires that only rows attribute must be set,

         // the rest may or may not be configured. For the sake of brevity we leave it empty.

        $response_fib->set_rows(1);

        $response_str->set_render_fib($response_fib);

        $this->qpresentation->set_response_str($response_str);

    }

    public function on_generate_feedbacks() {

        parent::on_generate_feedbacks();

        // Question combined feedback.

        $responsenodes = $this->questions->nodeList('plugin_qtype_shortanswer_question//answer', $this->question_node);

        $count = 0;

        foreach ($responsenodes as $respnode) {

            $content = $this->questions->nodeValue('feedback', $respnode);

            if (empty($content)) {

                continue;

            }

            $correct = (int)$this->questions->nodeValue('fraction', $respnode) == 1;

            $answerid = (int)$this->questions->nodeValue('@id', $respnode);

            $result = cc_helpers::process_linked_files( $content,

                                                        $this->manifest,

                                                        $this->rootpath,

                                                        $this->contextid,

                                                        $this->outdir);

            $ident = $correct ? 'correct' : 'incorrect';

            $ident .= '_'.$count.'_fb';

            cc_assesment_helper::add_feedback( $this->qitem,

                                                $result[0],

                                                cc_qti_values::htmltype,

                                                $ident);

            pkg_resource_dependencies::instance()->add($result[1]);

            if ($correct) {

                $this->correct_feedbacks[$answerid] = $ident;

            } else {

                $this->incorrect_feedbacks[$answerid] = $ident;

            }

            ++$count;

        }

    }

    public function on_generate_response_processing() {

        parent::on_generate_response_processing();

        // 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');

        }

        // Answer separate conditions.

        $correct_responses = $this->questions->nodeList(

            'plugin_qtype_shortanswer_question//answer[fraction=1]', $this->question_node);

        $incorrect_responses = $this->questions->nodeList(

            'plugin_qtype_shortanswer_question//answer[fraction<1]', $this->question_node);

        $items = array(

            array($correct_responses, $this->correct_feedbacks),

            array($incorrect_responses, $this->incorrect_feedbacks)

        );

        foreach ($items as $respfeed) {

            foreach ($respfeed[0] as $coresponse) {

                $qrespcondition = new cc_assesment_respconditiontype();

                $qrespcondition->enable_continue();

                $this->qresprocessing->add_respcondition($qrespcondition);

                $qconditionvar = new cc_assignment_conditionvar();

                $qrespcondition->set_conditionvar($qconditionvar);

                $respc = $this->questions->nodeValue('answertext', $coresponse);

                $resid = $this->questions->nodeValue('@id', $coresponse);

                $qvarequal = new cc_assignment_conditionvar_varequaltype($respc);

                $qconditionvar->set_varequal($qvarequal);

                $qvarequal->set_respident('response');

                $qvarequal->enable_case(false);

                if (!empty($respfeed[1][$resid])) {

                    $qdisplayfeedback = new cc_assignment_displayfeedbacktype();

                    $qrespcondition->add_displayfeedback($qdisplayfeedback);

                    $qdisplayfeedback->set_feedbacktype(cc_qti_values::Response);

                    $qdisplayfeedback->set_linkrefid($respfeed[1][$resid]);

                }

            }

        }

        // 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);

        foreach ($correct_responses as $coresponse) {

            $respc = $this->questions->nodeValue('answertext', $coresponse);

            $qvarequal = new cc_assignment_conditionvar_varequaltype($respc);

            $qconditionvar->set_varequal($qvarequal);

            $qvarequal->set_respident('response');

            $qvarequal->enable_case(false);

        }

        // Add incorrect handling.

        $qrespcondition = new cc_assesment_respconditiontype();

        $this->qresprocessing->add_respcondition($qrespcondition);

        $qrespcondition->enable_continue(false);

        // Define the condition for failure.

        $qconditionvar = new cc_assignment_conditionvar();

        $qrespcondition->set_conditionvar($qconditionvar);

        $qother = new cc_assignment_conditionvar_othertype();

        $qconditionvar->set_other($qother);

        $qsetvar = new cc_assignment_setvartype(0);

        $qrespcondition->add_setvar($qsetvar);

    }

}