PHP Exercise::load方法代码示例

    $cmd = null;
}
if (isset($item_list['1']) && is_numeric($item_list['1'])) {
    $quId = (int) $item_list['1'];
} else {
    $quId = null;
}
if (isset($item_list['2']) && is_numeric($item_list['2'])) {
    $exId = (int) $item_list['2'];
} else {
    $exId = null;
}
if ($cmd == 'download') {
    // find exercise informations
    $exercise = new Exercise();
    if ($exercise->load($exId) || $is_allowedToEdit) {
        if ($exercise->getVisibility() == 'VISIBLE' || $is_allowedToEdit) {
            $question = new Question();
            if ($question->load($quId)) {
                $attachmentFile = $question->getQuestionDirSys() . $question->getAttachment();
                if (claro_send_file($attachmentFile)) {
                    die;
                } else {
                    $dialogBox->error(get_lang('Not found'));
                }
            } else {
                $dialogBox->error(get_lang('Not found'));
            }
        } else {
            $dialogBox->error(get_lang('Not allowed'));
        }

    $quId = (int) $_REQUEST['quId'];
} else {
    $quId = null;
}
if (isset($_REQUEST['filter'])) {
    $filter = $_REQUEST['filter'];
} else {
    $filter = 'all';
}
$categoryId = substr($filter, 0, 10) == 'categoryId' && is_numeric(substr($filter, 10)) ? substr($filter, 10) : null;
/*
 * Init other vars
 */
$exercise = new Exercise();
if (!is_null($exId)) {
    $exercise->load($exId);
}
$dialogBox = new DialogBox();
/*
 * Execute commands
 */
// use question in exercise
if ($cmd == 'rqUse' && !is_null($quId) && !is_null($exId)) {
    if ($exercise->addQuestion($quId)) {
        // TODO show confirmation and back link
        header('Location: ' . Url::Contextualize('edit_exercise.php?exId=' . $exId));
    }
}
// delete question
if ($cmd == 'delQu' && !is_null($quId)) {
    $question = new Question();

}
if (isset($_REQUEST['exId']) && is_numeric($_REQUEST['exId'])) {
    $exId = (int) $_REQUEST['exId'];
} else {
    $exId = null;
}
if (isset($_REQUEST['quId']) && is_numeric($_REQUEST['quId'])) {
    $quId = (int) $_REQUEST['quId'];
} else {
    $quId = null;
}
/*
 * Init other vars
 */
$exercise = new Exercise();
if (!is_null($exId) && !$exercise->load($exId)) {
    $cmd = 'rqEdit';
}
$dialogBox = new DialogBox();
$displayForm = false;
$displaySettings = true;
/*
 * Execute commands
 */
if ($cmd == 'rmQu' && !is_null($quId)) {
    $exercise->removeQuestion($quId);
}
if ($cmd == 'mvUp' && !is_null($quId)) {
    $exercise->moveQuestionUp($quId);
}
if ($cmd == 'mvDown' && !is_null($quId)) {

/**
 * Send a complete exercise in IMS/QTI format, from its ID
 *
 * @param int $exerciseId The exercise to exporte
 * @param boolean $standalone Wether it should include XML tag and DTD line.
 * @return The XML as a string, or an empty string if there's no exercise with given ID.
 * @author Amand Tihon <amand@alrj.org>
 */
function export_exercise($exerciseId, $standalone = True)
{
    $exercise = new Exercise();
    if (!$exercise->load($exerciseId)) {
        return '';
    }
    $ims = new ImsSection($exercise);
    $xml = $ims->export($standalone);
    return $xml;
}

    $quId = (int) $_REQUEST['quId'];
} else {
    $quId = null;
}
/*
 * Init other vars
 */
$question = new Question();
if (is_null($quId) || !$question->load($quId)) {
    header('Location: ' . Url::Contextualize('../exercise.php'));
    exit;
}
if (!is_null($exId)) {
    $exercise = new Exercise();
    // if exercise cannot be load set exId to null , it probably don't exist
    if (!$exercise->load($exId)) {
        $exId = null;
    }
}
$askDuplicate = false;
// do not duplicate when there is no $exId, it means that we modify the question from pool
// do not duplicate when there is no $quId, it means that question is a new one
// check that question is used in several exercises
if (count_exercise_using_question($quId) > 1 && !is_null($quId) && !is_null($exId)) {
    $askDuplicate = true;
}
$dialogBox = new DialogBox();
/*
 * Execute commands
 */
if ($cmd == 'exEdit') {

function export_exercise_tracking($exId)
{
    $exercise = new Exercise();
    if (!$exercise->load($exId)) {
        return "";
    }
    $questionList = $exercise->getQuestionList();
    $exerciseCsv = '';
    foreach ($questionList as $question) {
        $exerciseCsv .= export_question_tracking($question['id'], $exId);
    }
    return $exerciseCsv;
}

    /**
     * Create files (quiz) needed in the export of this module
     *
     * @copyright   (c) 2001-2011, Universite catholique de Louvain (UCL)
     * @param int $quizId id of the Quiz
     * @param object $item item of the path
     * @param string $destDir path when the files need to be copied
     * @param int $deepness deepness of the destinationd directory
     * @return boolean
     */
    public function prepareFiles($quizId, &$item, $destDir, $deepness)
    {
        $completionThresold = $item->getCompletionThreshold();
        if (empty($completionThresold)) {
            $completionThresold = 50;
        }
        $quizId = (int) $quizId;
        $quiz = new Exercise();
        if (!$quiz->load($quizId)) {
            $this->error[] = get_lang('Unable to load the exercise');
            return false;
        }
        $deep = '';
        if ($deepness) {
            for ($i = $deepness; $i > 0; $i--) {
                $deep .= ' ../';
            }
        }
        // Generate standard page header
        $pageHeader = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html>
    <head>
    <title>' . $quiz->getTitle() . '</title>
    <meta http-equiv="expires" content="Tue, 05 DEC 2000 07:00:00 GMT">
    <meta http-equiv="Pragma" content="no-cache">
    <meta http-equiv="Content-Type" content="text/HTML; charset=' . get_locale('charset') . '"  />

    <link rel="stylesheet" type="text/css" href="' . $deep . get_conf('claro_stylesheet') . '/main.css" media="screen, projection, tv" />
    <script language="javascript" type="text/javascript" src="' . $deep . 'js/jquery.js"></script>
    <script language="javascript" type="text/javascript" src="' . $deep . 'js/claroline.js"></script>
    <script language="javascript" type="text/javascript" src="' . $deep . 'js/claroline.ui.js"></script>

    <script language="javascript" type="text/javascript" src="' . $deep . 'js/APIWrapper.js"></script>
    <script language="javascript" type="text/javascript" src="' . $deep . 'js/connector13.js"></script>
    <script language="javascript" type="text/javascript" src="' . $deep . 'js/scores.js"></script>
    </head>
    ' . "\n";
        $pageBody = '<body onload="loadPage()">
    <div id="claroBody"><form id="quiz">
    <table width="100%" border="0" cellpadding="1" cellspacing="0" class="claroTable">' . "\n";
        // Get the question list
        $questionList = $quiz->getQuestionList();
        $questionCount = count($questionList);
        // Keep track of raw scores (ponderation) for each question
        $questionPonderationList = array();
        // Keep track of correct texts for fill-in type questions
        // TODO La variable $fillAnswerList n'apparaît qu'une fois
        $fillAnswerList = array();
        // Display each question
        $questionCount = 0;
        foreach ($questionList as $question) {
            // Update question number
            $questionCount++;
            // read the question, abort on error
            $scormQuestion = new ScormQuestion();
            if (!$scormQuestion->load($question['id'])) {
                $this->error[] = get_lang('Unable to load exercise\'s question');
                return false;
            }
            $questionPonderationList[] = $scormQuestion->getGrade();
            $pageBody .= '<thead>' . "\n" . '<tr>' . "\n" . '<th>' . get_lang('Question') . ' ' . $questionCount . '</th>' . "\n" . '</tr>' . "\n" . '</thead>' . "\n";
            $pageBody .= '<tr>' . "\n" . '<td>' . "\n" . $scormQuestion->export() . "\n" . '</td>' . "\n" . '</tr>' . "\n";
        }
        $pageEnd = '
    <tr>
        <td align="center"><br /><input type="button" value="' . get_lang('Ok') . '" onclick="calcScore()" /></td>
    </tr>
    </table>
    </form>
    </div></body></html>' . "\n";
        /* Generate the javascript that'll calculate the score
         * We have the following variables to help us :
         * $idCounter : number of elements to check. their id are "scorm_XY"
         * $raw_to_pass : score (on 100) needed to pass the quiz
         * $fillAnswerList : a list of arrays (text, score) indexed on <input>'s names
         *
         */
        $pageHeader .= '
    <script type="text/javascript" language="javascript">
        var raw_to_pass = ' . $completionThresold . ';
        var weighting = ' . array_sum($questionPonderationList) . ';
        var rawScore;
        var scoreCommited = false;
        var showScore = true;
        var fillAnswerList = new Array();' . "\n";
        // This is the actual code present in every exported exercise.
        // use claro_html_entity_decode in output to prevent double encoding errors with some languages...
        $pageHeader .= '

        function calcScore()
//.........这里部分代码省略.........

}
$dialogBox = new DialogBox();
/**
 * Handle SESSION
 * - refresh data in session if required
 * - copy session content locally to use local var in script
 * -
 */
$resetQuestionList = false;
// if exercise is not in session try to load it.
// if exId has been defined in request force refresh of exercise in session
if (!isset($_SESSION['serializedExercise']) || !is_null($exId)) {
    // clean previous exercise if any
    unset($_SESSION['serializedExercise']);
    $exercise = new Exercise();
    if (is_null($exId) || !$exercise->load($exId)) {
        // exercise is required
        header("Location: " . Url::Contextualize('./exercise.php'));
        exit;
    } else {
        // load successfull
        // exercise must be visible or in learning path to be displayed to a student
        if ($exercise->getVisibility() != 'VISIBLE' && !$is_allowedToEdit && !($inOldLP || $inLP)) {
            $dialogBox->error(get_lang('The exercise is not available'));
            $content = $dialogBox->render();
            $claroline->display->body->appendContent($content);
            echo $claroline->display->render();
            //header("Location: ./exercise.php");
            exit;
        } else {
            $_SESSION['serializedExercise'] = serialize($exercise);

        /**
         * Exports an exercise as a SCO.
         * This method is intended to be called from the prepare method.
         *
         *@note There's a lot of nearly cut-and-paste from exercise.lib.php here
         *      because of some little differences...
         *      Perhaps something that could be refactorised ?
         *
         * @see prepare
         * @param $quizId The quiz
         * @param $raw_to_pass The needed score to attain
         * @return False on error, True if everything went well.
         * @author  Amand Tihon <amand@alrj.org>
         */
        public function prepareQuiz($quizId, $raw_to_pass = 50)
        {
            global $claro_stylesheet;
            // those two variables are needed by display_attached_file()
            global $attachedFilePathWeb;
            global $attachedFilePathSys;
            $attachedFilePathWeb = 'Exercises';
            $attachedFilePathSys = $this->destDir . '/Exercises';
            // read the exercise
            $quiz = new Exercise();
            if (!$quiz->load($quizId)) {
                $this->error[] = get_lang('Unable to load the exercise');
                return false;
            }
            // Generate standard page header
            $pageHeader = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <title>' . $quiz->getTitle() . '</title>
    <meta http-equiv="expires" content="Tue, 05 DEC 2000 07:00:00 GMT">
    <meta http-equiv="Pragma" content="no-cache">
    <meta http-equiv="Content-Type" content="text/HTML; charset=' . get_locale('charset') . '"  />

    <link rel="stylesheet" type="text/css" href="' . get_conf('claro_stylesheet') . '/main.css" media="screen, projection, tv" />
    <script language="javascript" type="text/javascript" src="jquery.js"></script>
    <script language="javascript" type="text/javascript" src="claroline.js"></script>
    <script language="javascript" type="text/javascript" src="claroline.ui.js"></script>

    <script language="javascript" type="text/javascript" src="APIWrapper.js"></script>
    <script language="javascript" type="text/javascript" src="scores.js"></script>
    ' . "\n";
            $pageBody = '<body onload="loadPage()">
        <div id="claroBody"><form id="quiz">
        <table width="100%" border="0" cellpadding="1" cellspacing="0" class="claroTable">' . "\n";
            // Get the question list
            $questionList = $quiz->getQuestionList();
            $questionCount = count($questionList);
            // Keep track of raw scores (ponderation) for each question
            $questionPonderationList = array();
            // Keep track of correct texts for fill-in type questions
            // TODO La variable $fillAnswerList n'appara�t qu'une fois
            $fillAnswerList = array();
            // Display each question
            $questionCount = 0;
            foreach ($questionList as $question) {
                // Update question number
                $questionCount++;
                // read the question, abort on error
                $scormQuestion = new ScormQuestion();
                if (!$scormQuestion->load($question['id'])) {
                    $this->error[] = get_lang('Unable to load exercise\'s question');
                    return false;
                }
                $questionPonderationList[] = $scormQuestion->getGrade();
                $pageBody .= '<tr class="headerX">' . "\n" . '<th>' . get_lang('Question') . ' ' . $questionCount . '</th>' . "\n" . '</tr>' . "\n";
                $pageBody .= '<tr>' . "\n" . '<td>' . "\n" . $scormQuestion->export() . "\n" . '</td>' . "\n" . '</tr>' . "\n";
                /*
                                if( !empty($scormQuestion->getAttachment()) )
                                {
                                    // copy the attached file
                                    if ( !claro_copy_file($this->srcDirExercise . '/' . $attachedFile, $this->destDir . '/Exercises') )
                                    {
                                        $this->error[] = get_lang('Unable to copy file : %filename', array ( '%filename' => $attachedFile  ));
                                        return false;
                                    }
                
                                    // Ok, if it was an mp3, we need to copy the flash mp3-player too.
                                    $extension=substr(strrchr($attachedFile, '.'), 1);
                                    if ( $extension == 'mp3')   $this->mp3Found = true;
                
                                    $pageBody .= '<tr><td colspan="2">' . display_attached_file($attachedFile) . '</td></tr>' . "\n";
                                }
                */
                /*
                 * Display the possible answers
                 */
                // End of the question
            }
            // foreach($questionList as $questionId)
            // No more questions, add the button.
            $pageEnd = '
                <tr>
                    <td align="center"><br /><input type="button" value="' . get_lang('Ok') . '" onclick="calcScore()" /></td>
                </tr>
                </table>
                </form>
//.........这里部分代码省略.........