public function QuizQuestion::getNodeForm in Quiz 8.4
Returns a node form to quiz_question_form
Adds default form elements, and fetches question type specific elements from their implementation of getCreationForm
Parameters
array $form_state:
Return value
unknown_type
File
- question_types/
quiz_question/ lib/ Drupal/ quiz_question/ QuizQuestion.php, line 89 - Classes used in the Quiz Question module.
Class
- QuizQuestion
- A base implementation of a quiz_question, adding a layer of abstraction between the node API, quiz API and the question types.
Namespace
Drupal\quiz_questionCode
public function getNodeForm(array $form_state = NULL) {
$user = \Drupal::currentUser();
$form = array();
// mark this form to be processed by quiz_form_alter. quiz_form_alter will among other things
// hide the revion fieldset if the user don't have permission to controll the revisioning manually.
$form['#quiz_check_revision_access'] = TRUE;
// Allow user to set title?
if ($user
->hasPermission('edit question titles')) {
$form['helper']['#theme'] = 'quiz_question_creation_form';
/*
$form['title'] = array(
'#type' => 'textfield',
'#title' => t('Title'),
'#maxlength' => 255,
'#default_value' => $this->node->getTitle(),
'#required' => FALSE,
'#description' => t('Add a title that will help distinguish this question from other questions. This will not be seen during the quiz.'),
);
*/
}
else {
$form['title'] = array(
'#type' => 'value',
'#value' => $this->node
->getTitle(),
);
}
// Quiz id used here to tie creation of a question to a specific quiz
if (isset($_GET['quiz_nid']) && is_numeric($_GET['quiz_nid'])) {
$vid = _quiz_is_int($_GET['quiz_vid'], 0) ? $_GET['quiz_vid'] : NULL;
$quiz = node_load((int) $_GET['quiz_nid'], $vid);
// Store quiz id in the form
$form['quiz_nid'] = array(
'#type' => 'value',
'#value' => $quiz
->id(),
);
$form['quiz_vid'] = array(
'#type' => 'value',
'#value' => $quiz
->getRevisionId(),
);
// Identify this node as a quiz question type so that it can be recognized by other modules effectively.
$form['is_quiz_question'] = array(
'#type' => 'value',
'#value' => TRUE,
);
// If coming from quiz view, go back there on submit.
if ($quiz
->getType() == 'quiz') {
$form_state['redirect'] = 'node/' . $quiz
->id() . '/questions';
$form['#cancel_button'] = TRUE;
}
}
//Add question type specific content
$form = array_merge($form, $this
->getCreationForm($form_state));
// If access to edit quizzes we add the add to quiz fieldset
$edit_access = quiz_access_multi_or('edit any quiz content', 'edit own quiz content', 'administer nodes');
if ($edit_access) {
$own_filter = quiz_access_multi_or('edit any quiz', 'administer nodes') ? '' : 'AND n.uid = ' . intval($user
->id());
// Fieldset allowing question makers to add questions to multiple quizzes when creating or editing a question
$already = array();
$already_nids = array();
if ($this->node
->id() && is_numeric($this->node
->id())) {
// Finding quizzes this question already belongs to.
$sql = 'SELECT n.nid, r.parent_vid AS vid, nd.title FROM {quiz_node_relationship} r
JOIN {node} n ON n.nid = r.parent_nid
JOIN {node_field_data} nd ON nd.nid = r.parent_nid
WHERE r.child_vid = :child_vid
ORDER BY r.parent_vid DESC';
$res = db_query($sql, array(
':child_vid' => $this->node
->getRevisionId(),
));
// Store the results
while ($res_o = $res
->fetch()) {
if (in_array($res_o->nid, $already_nids)) {
continue;
}
// Store in simple array to use in later querries
$already_nids[] = $res_o->nid;
// Store in array to use as #options
$already[$res_o->nid . '-' . $res_o->vid] = check_plain($res_o->title);
}
}
$found = implode(', ', $already_nids);
$latest = array();
$latest_nids = array();
// Finding the last quizzes the current user has been using
$sql = "SELECT lq.quiz_nid, n.vid, nd.title, lq.id FROM {quiz_question_latest_quizzes} lq\n JOIN {node} n ON n.nid = lq.quiz_nid\n JOIN {node_field_data} nd ON nd.nid = lq.quiz_nid AND n.vid = nd.vid\n JOIN {quiz_node_properties} qnp ON qnp.vid = n.vid\n WHERE lq.uid = :uid AND qnp.randomization < 3";
if (drupal_strlen($found) > 0) {
$sql .= " AND quiz_nid NOT IN ({$found})";
}
$sql .= " ORDER BY lq.id DESC";
// TODO Please convert this statement to the D7 database API syntax.
$res = db_query($sql, array(
':uid' => $user
->id(),
));
while ($res_o = $res
->fetch()) {
// Array to use as #option in form element
$latest[$res_o->quiz_nid . '-' . $res_o->vid] = check_plain($res_o->title);
// Array to use in later queries
$latest_nids[] = $res_o->quiz_nid;
}
if (count($latest) < QUIZ_QUESTION_NUM_LATEST) {
// Suplementing with other available quizzes...
$found = implode(', ', array_merge($already_nids, $latest_nids));
$sql = "SELECT n.nid, n.vid, nd.title, changed FROM {node} n\n \t\tJOIN {quiz_node_properties} qnp ON qnp.vid = n.vid\n \t\tJOIN {node_field_data} nd ON nd.vid = n.vid AND n.vid = nd.vid\n WHERE nd.type = 'quiz' AND qnp.randomization < 3";
if (drupal_strlen($found) > 0) {
$sql .= " AND n.nid NOT IN ({$found})";
}
//$sql .= " ORDER BY changed LIMIT %d";
// TODO Please convert this statement to the D7 database API syntax.
//$res = db_query(db_rewrite_sql($sql), QUIZ_QUESTION_NUM_LATEST - count($latest));
$res = db_query($sql);
while ($res_o = $res
->fetch()) {
// array to be used as #options in form element
$latest[$res_o->nid . '-' . $res_o->vid] = check_plain($res_o->title);
}
}
// If we came from the manage questions tab we need to mark the quiz we came from as selected.
$latest_default = array();
if (isset($quiz)) {
foreach ($latest as $key => $value) {
$latest_nid = preg_match('/^[0-9]+/', $key);
if ($latest_nid == $quiz
->id()) {
unset($latest[$key]);
break;
}
}
$res = db_query('SELECT title FROM {node_field_revision} WHERE vid = :vid', array(
':vid' => $quiz
->getRevisionId(),
));
$latest[$quiz
->id() . '-' . $quiz
->getRevisionId()] = check_plain($res
->fetchField());
// $latest_default is to be used as #default_value in form item
$latest_default[] = $quiz
->id() . '-' . $quiz
->getRevisionId();
}
}
if ($edit_access || quiz_access_multi_or('create quiz content', 'administer nodes')) {
$form['add_directly'] = array(
'#type' => 'fieldset',
'#title' => t('Add to @quiz', array(
'@quiz' => QUIZ_NAME,
)),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#weight' => -3,
'#tree' => TRUE,
'#group' => 'additional_settings',
);
}
if ($edit_access) {
if (count($already) > 0) {
$form['add_directly']['already'] = array(
'#type' => 'checkboxes',
'#title' => t('This question is already a member of'),
'#description' => t('If you uncheck any of the checkboxes this question will be removed from the corresponding @quiz. If the @quiz has been answered a new revision of the @quiz will be created automatically.', array(
'@quiz' => QUIZ_NAME,
)),
'#options' => $already,
'#default_value' => array_keys($already),
);
}
if (count($latest) > 0) {
$form['add_directly']['latest'] = array(
'#type' => 'checkboxes',
'#title' => t('The @latest latest @quiz nodes this question isn\'t a member of', array(
'@latest' => count($latest),
'@quiz' => QUIZ_NAME,
)),
'#description' => t('If you check any of the checkboxes this question will be added to the corresponding @quiz. If the @quiz has been answered a new revision will be created automatically.', array(
'@quiz' => QUIZ_NAME,
)),
'#options' => $latest,
'#default_value' => $latest_default,
);
}
}
if (quiz_access_multi_or('create quiz content', 'administer nodes')) {
$form['add_directly']['new'] = array(
'#type' => 'textfield',
'#title' => t('Title for new @quiz', array(
'@quiz' => QUIZ_NAME,
)),
'#description' => t('Write in the name of the new @quiz you want to create and add this question to.', array(
'@quiz' => QUIZ_NAME,
)),
);
}
if ($this
->hasBeenAnswered()) {
$log = t('The current revision has been answered. We create a new revision so that the reports from the existing answers stays correct.');
$this->node->revision = 1;
$this->node->log = $log;
}
return $form;
}