PHP Exercise::addQuestion方法代码示例

}
$categoryId = substr($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)) {
    $question = new Question();
    if ($question->load($quId)) {
        if (!$question->delete()) {
            // TODO show confirmation and list
        }
    }
}
// export question
if ($cmd == 'exExport' && get_conf('enableExerciseExportQTI')) {

//.........这里部分代码省略.........
    $tbl_quiz_exercise = $tbl_cdb_names['qwz_exercise'];
    $tbl_quiz_question = $tbl_cdb_names['qwz_question'];
    // paths
    $baseWorkDir = get_path('rootSys') . get_conf('tmpPathSys') . 'upload/';
    // create temp dir for upload
    if (!file_exists($baseWorkDir)) {
        claro_mkdir($baseWorkDir, CLARO_FILE_PERMISSIONS);
    }
    $uploadDir = claro_mkdir_tmp($baseWorkDir);
    // this function should return the dir name and not the full path ...
    $uploadPath = str_replace($baseWorkDir, '', $uploadDir);
    // set some default values for the new exercise
    $exercise_info = array();
    $exercise_info['name'] = preg_replace('/.zip$/i', '', $file);
    $exercise_info['description'] = '';
    $exercise_info['question'] = array();
    // create parser and array to retrieve info from manifest
    $element_pile = array();
    //pile to known the depth in which we are
    $module_info = array();
    //array to store the info we need
    // if file is not a .zip, then we cancel all
    if (!preg_match('/.zip$/i', $_FILES['uploadedExercise']['name'])) {
        $backlog->failure(get_lang('You must upload a zip file'));
        return false;
    }
    //unzip the uploaded file in a tmp directory
    if (!get_and_unzip_uploaded_exercise($baseWorkDir, $uploadPath)) {
        $backlog->failure(get_lang('Upload failed'));
        return false;
    }
    // find the different manifests for each question and parse them.
    $exerciseHandle = opendir($uploadDir);
    $question_number = 0;
    $file_found = false;
    // parse every subdirectory to search xml question files
    while (false !== ($file = readdir($exerciseHandle))) {
        if (is_dir($uploadDir . '/' . $file) && $file != "." && $file != "..") {
            //find each manifest for each question repository found
            $questionHandle = opendir($uploadDir . '/' . $file);
            while (false !== ($questionFile = readdir($questionHandle))) {
                if (preg_match('/.xml$/i', $questionFile)) {
                    list($parsingBacklog, $success) = parse_file($uploadDir, $file, $questionFile);
                    $backlog->append($parsingBacklog);
                    $file_found = true;
                }
            }
        } elseif (preg_match('/.xml$/i', $file)) {
            list($parsingBacklog, $success) = parse_file($uploadDir, '', $file);
            $backlog->append($parsingBacklog);
            $file_found = true;
        }
        // else ignore file
    }
    if (!$file_found) {
        $backlog->failure(get_lang('No XML file found in the zip'));
        return false;
    }
    //---------------------
    //add exercise in tool
    //---------------------
    //1.create exercise
    $exercise = new Exercise();
    $exercise->setTitle($exercise_info['name']);
    $exercise->setDescription($exercise_info['description']);
    if ($exercise->validate()) {
        $exercise_id = $exercise->save();
    } else {
        $backlog->failure(get_lang('There is an error in exercise data of imported file.'));
        return false;
    }
    ksort($exercise_info['question'], SORT_NUMERIC);
    //For each question found...
    foreach ($exercise_info['question'] as $key => $question_array) {
        //2.create question
        $question = new Qti2Question();
        $question->import($question_array);
        if ($question->validate()) {
            // I need to save the question after the answer because I need question id in answers
            $question_id = $question->save();
            //3.create answers
            $question->setAnswer();
            $question->answer->import($question_array);
            if ($question->answer->validate()) {
                $question->setGrade($question->answer->getGrade());
                $question->save();
                // save computed grade
                $question->answer->save();
                $exercise->addQuestion($question_id);
            } else {
                $backlog->failure(get_lang('Invalid answer') . ' : ' . $key);
            }
        } else {
            $backlog->failure(get_lang('Invalid question') . ' : ' . $key);
        }
    }
    // delete the temp dir where the exercise was unzipped
    claro_delete_file($uploadDir);
    return $exercise_id;
}

 * Execute commands
 */
if ($cmd == 'exEdit') {
    // add or remove answer, change step,...
    // should return true if form is really submitted
    if ($question->answer->handleForm()) {
        // form has to be saved, check input validity
        if ($question->answer->validate()) {
            if (count_exercise_using_question($quId) > 1 && !is_null($quId) && !is_null($exId) && isset($_REQUEST['duplicate']) && $_REQUEST['duplicate'] == 'true') {
                // duplicate object if used in several exercises
                $duplicated = $question->duplicate();
                // make exercise use the new created question object instead of the new one
                $exercise->removeQuestion($quId);
                $quId = $duplicated->getId();
                // and reset $quId
                $exercise->addQuestion($quId);
                $question = $duplicated;
            }
            if ($question->answer->save()) {
                // update grade in question
                $question->setGrade($question->answer->getGrade());
                $question->save();
                header("Location: " . Url::Contextualize("./edit_question.php?exId=" . $exId . "&quId=" . $quId));
                exit;
            }
        }
    }
    if ($question->answer->getErrorList()) {
        $dialogBox->error(implode('<br />' . "\n", $question->answer->getErrorList()));
    }
    // if we were not redirected it means form must be displayed

// quId and exId have been specified and load operations worked
if (!is_null($quId) && !is_null($exId)) {
    // 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) {
        if (isset($_REQUEST['duplicate']) && $_REQUEST['duplicate'] == 'true') {
            // duplicate object if used in several exercises
            $duplicated = $question->duplicate();
            // make exercise use the new created question object instead of the new one
            $exercise->removeQuestion($quId);
            $quId = $duplicated->getId();
            // and reset $quId
            $exercise->addQuestion($quId);
            $question = $duplicated;
        } else {
            $askDuplicate = true;
        }
    }
}
$dialogBox = new DialogBox();
$displayForm = false;
/*
 * Execute commands
 */
if ($cmd == 'exEdit') {
    // if quId is null it means that we create a new question
    $question->setTitle($_REQUEST['title']);
    $question->setDescription($_REQUEST['description']);