class QuizfileuploadQuestion in Quiz File Upload 6

Extension of QuizQuestion.

Hierarchy

• class \QuizfileuploadQuestion extends \QuizQuestion

1 string reference to 'QuizfileuploadQuestion'

quizfileupload_quiz_question_info in ./quizfileupload.module

Implementation of hook_quiz_question_info().

File

./quizfileupload.classes.inc, line 22

The main classes for the multichoice question type.

class QuizfileuploadQuestion extends QuizQuestion {

  /**
   * Implementation of save
   *
   * Stores the question in the database.
   *
   * @param is_new if - if the node is a new node...
   * (non-PHPdoc)
   * @see sites/all/modules/quiz-HEAD/question_types/quiz_question/QuizQuestion#save()
   */
  public function saveNodeProperties($is_new = FALSE) {
    $is_new = $is_new || $this->node->revision == 1;
    if ($is_new) {
      $sql = 'INSERT INTO {quiz_fileupload_node_properties} (nid, vid, filetypes) VALUES (%d, %d, "%s")';
      db_query($sql, $this->node->nid, $this->node->vid, $this->node->filetypes);
    }
    else {
      $sql = 'UPDATE {quiz_fileupload_node_properties} SET filetypes = "%s" WHERE nid = %d AND vid = %d';
      db_query($sql, $this->node->filetypes, $this->node->nid, $this->node->vid);
    }
  }

  /**
   * Implementation of validate
   *
   * QuizQuestion#validate()
   */
  public function validateNode(array &$form) {

    //no validation required
  }

  /**
   * Implementation of delete
   *
   * @see QuizQuestion#delete()
   */
  public function delete($only_this_version = FALSE) {
    $delete_properties = 'DELETE FROM {quiz_fileupload_node_properties} WHERE nid = %d';
    $delete_answers = 'DELETE FROM {quiz_fileupload_user_answers} WHERE question_nid = %d';
    if ($only_this_version) {
      $delete_properties .= ' AND vid = %d';
      $delete_answers .= ' AND question_vid = %d';
      $delete_results .= ' AND question_vid = %d';
    }
    db_query($delete_properties, $this->node->nid, $this->node->vid);
    db_query($delete_answers, $this->node->nid, $this->node->vid);
    db_query($delete_results, $this->node->nid, $this->node->vid);
    parent::delete($only_this_version);
  }

  /**
   * Implementation of getNodeProperties
   *
   * @see QuizQuestion#getNodeProperties()
   */
  public function getNodeProperties() {
    if (isset($this->nodeProperties)) {
      return $this->nodeProperties;
    }
    $props = parent::getNodeProperties();

    // Load the properties
    $sql = 'SELECT filetypes FROM {quiz_fileupload_node_properties} WHERE nid = %d AND vid = %d';
    $res = db_query($sql, $this->node->nid, $this->node->vid);
    $res_a = db_fetch_array($res);
    if (is_array($res_a)) {
      $props = array_merge($props, $res_a);
    }
    $this->nodeProperties = $props;
    return $props;
  }

  /**
   * Implementation of getNodeView
   *
   * @see QuizQuestion#getNodeView()
   */
  public function getNodeView() {
    $content = parent::getNodeView();
    $content['filetypes'] = array(
      '#type' => 'markup',
      '#value' => '<pre>' . check_plain($this->node->filetypes) . '</pre>',
    );
    return $content;
  }

  /**
   * Generates the question form.
   *
   * This is called whenever a question is rendered, either
   * to an administrator or to a quiz taker.
   */
  public function getAnsweringForm(array $form_state = NULL, $rid) {
    $form = parent::getAnsweringForm($form_state, $rid);
    $form['#attributes'] = array(
      'enctype' => 'multipart/form-data',
    );
    $file = db_fetch_object(db_query('SELECT filename, filepath FROM {files} f
      INNER JOIN {quiz_fileupload_user_answers} qf ON (f.fid = qf.fid)
      WHERE question_nid = %d AND question_vid = %d AND result_id = %d', $this->node->nid, $this->node->vid, $this->node->rid));
    if (is_object($file)) {
      $form['previous_upload'] = array(
        '#title' => t('Previous upload'),
        '#type' => 'item',
        '#value' => is_object($file) ? l($file->filename, file_create_url($file->filepath)) : t('n/a'),
        '#description' => t('<strong>Upload a new file to replace previous upload.</strong>'),
      );
    }
    $form['tries'] = array(
      '#type' => 'file',
      '#title' => t('Upload'),
      '#description' => t('Allowed extensions !ext', array(
        '!ext' => $this->node->filetypes,
      )),
    );
    return $form;
  }

  /**
   * Implementation of getCreationForm
   *
   * @see QuizQuestion#getCreationForm()
   */
  public function getCreationForm(array $form_state = NULL) {
    $allowed = variable_get('quizfileupload_default_extensions', QUIZFILEUPLOAD_DEFAULT_EXTENSIONS);
    $form['filetypes'] = array(
      '#type' => 'textfield',
      '#title' => t('Allowed extension'),
      '#description' => t('Enter the allowed file extensions one per line.'),
      '#default_value' => isset($this->node->filetypes) ? $this->node->filetypes : $allowed,
      '#required' => TRUE,
    );
    return $form;
  }

  /**
   * Implementation of getMaximumScore
   *
   * @see QuizQuestion#getMaximumScore()
   */
  public function getMaximumScore() {
    return variable_get('quizfileupload_default_score', 0);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
QuizfileuploadQuestion::delete	public	function	Implementation of delete
QuizfileuploadQuestion::getAnsweringForm	public	function	Generates the question form.
QuizfileuploadQuestion::getCreationForm	public	function	Implementation of getCreationForm
QuizfileuploadQuestion::getMaximumScore	public	function	Implementation of getMaximumScore
QuizfileuploadQuestion::getNodeProperties	public	function	Implementation of getNodeProperties
QuizfileuploadQuestion::getNodeView	public	function	Implementation of getNodeView
QuizfileuploadQuestion::saveNodeProperties	public	function	Implementation of save
QuizfileuploadQuestion::validateNode	public	function	Implementation of validate