Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/survey/survey_question.php

349 lines
12 KiB

<?php
/* For licensing terms, see /license.txt */
use ChamiloSession as Session;
/**
* Class survey_question.
*/
class survey_question
{
public $buttonList = [];
/** @var FormValidator */
private $form;
/**
* Generic part of any survey question: the question field.
*
* @param array $surveyData
* @param array $formData
*
* @return FormValidator
*/
public function createForm($surveyData, $formData)
{
$action = isset($_GET['action']) ? Security::remove_XSS($_GET['action']) : null;
$questionId = isset($_GET['question_id']) ? intval($_GET['question_id']) : null;
$surveyId = isset($_GET['survey_id']) ? intval($_GET['survey_id']) : null;
$toolName = Display::return_icon(
SurveyManager::icon_question(Security::remove_XSS($_GET['type'])),
get_lang(ucfirst(Security::remove_XSS($_GET['type']))),
['align' => 'middle', 'height' => '22px']
).' ';
if ($action == 'add') {
$toolName .= get_lang('AddQuestion').': ';
} elseif ($action == 'edit') {
$toolName .= get_lang('EditQuestion').': ';
}
switch ($_GET['type']) {
case 'yesno':
$toolName .= get_lang('YesNo');
break;
case 'multiplechoice':
$toolName .= get_lang('UniqueSelect');
break;
case 'multipleresponse':
$toolName .= get_lang('MultipleResponse');
break;
default:
$toolName .= get_lang(api_ucfirst(Security::remove_XSS($_GET['type'])));
}
$sharedQuestionId = isset($formData['shared_question_id']) ? $formData['shared_question_id'] : null;
$url = api_get_self().'?action='.$action.'&type='.Security::remove_XSS($_GET['type']).'&survey_id='.$surveyId.'&question_id='.$questionId.'&'.api_get_cidreq();
$form = new FormValidator('question_form', 'post', $url);
$form->addHeader($toolName);
$form->addHidden('survey_id', $surveyId);
$form->addHidden('question_id', $questionId);
$form->addHidden('shared_question_id', Security::remove_XSS($sharedQuestionId));
$form->addHidden('type', Security::remove_XSS($_GET['type']));
$config = [
'ToolbarSet' => 'SurveyQuestion',
'Width' => '100%',
'Height' => '120',
];
$form->addHtmlEditor(
'question',
get_lang('Question'),
true,
false,
$config
);
if (api_get_configuration_value('allow_required_survey_questions') &&
in_array($_GET['type'], ['yesno', 'multiplechoice'])) {
$form->addCheckBox('is_required', get_lang('IsMandatory'), get_lang('Yes'));
}
// When survey type = 1??
if ($surveyData['survey_type'] == 1) {
$table_survey_question_group = Database::get_course_table(TABLE_SURVEY_QUESTION_GROUP);
$sql = 'SELECT id,name FROM '.$table_survey_question_group.'
WHERE survey_id = '.(int) $_GET['survey_id'].'
ORDER BY name';
$rs = Database::query($sql);
$glist = null;
while ($row = Database::fetch_array($rs, 'NUM')) {
$glist .= '<option value="'.$row[0].'" >'.$row[1].'</option>';
}
$grouplist = $grouplist1 = $grouplist2 = $glist;
if (!empty($formData['assigned'])) {
$grouplist = str_replace('<option value="'.$formData['assigned'].'"', '<option value="'.$formData['assigned'].'" selected', $glist);
}
if (!empty($formData['assigned1'])) {
$grouplist1 = str_replace('<option value="'.$formData['assigned1'].'"', '<option value="'.$formData['assigned1'].'" selected', $glist);
}
if (!empty($formData['assigned2'])) {
$grouplist2 = str_replace('<option value="'.$formData['assigned2'].'"', '<option value="'.$formData['assigned2'].'" selected', $glist);
}
$this->html .= ' <tr><td colspan="">
<fieldset style="border:1px solid black"><legend>'.get_lang('Condition').'</legend>
<b>'.get_lang('Primary').'</b><br />
'.'<input type="radio" name="choose" value="1" '.(($formData['choose'] == 1) ? 'checked' : '').
'><select name="assigned">'.$grouplist.'</select><br />';
$this->html .= '
<b>'.get_lang('Secondary').'</b><br />
'.'<input type="radio" name="choose" value="2" '.(($formData['choose'] == 2) ? 'checked' : '').
'><select name="assigned1">'.$grouplist1.'</select> '.
'<select name="assigned2">'.$grouplist2.'</select>'
.'</fieldset><br />';
}
$this->setForm($form);
return $form;
}
/**
* Adds submit button.
*/
public function renderForm()
{
if (isset($_GET['question_id']) and !empty($_GET['question_id'])) {
/**
* Check if survey has answers first before update it, this is because if you update it, the question
* options will delete and re-insert in database loosing the iid and question_id to verify the correct answers.
*/
$surveyId = isset($_GET['survey_id']) ? intval($_GET['survey_id']) : 0;
$answersChecker = SurveyUtil::checkIfSurveyHasAnswers($surveyId);
if (!$answersChecker) {
$this->buttonList[] = $this->getForm()->addButtonUpdate(get_lang('ModifyQuestionSurvey'), 'save', true);
} else {
$this->getForm()->addHtml('
<div class="form-group">
<label class="col-sm-2 control-label"></label>
<div class="col-sm-8">
<div class="alert alert-info">'.get_lang('YouCantNotEditThisQuestionBecauseAlreadyExistAnswers').'</div>
</div>
<div class="col-sm-2"></div>
</div>
');
}
} else {
$this->buttonList[] = $this->getForm()->addButtonSave(get_lang('CreateQuestionSurvey'), 'save', true);
}
$this->getForm()->addGroup($this->buttonList, 'buttons');
}
/**
* @return FormValidator
*/
public function getForm()
{
return $this->form;
}
/**
* @param FormValidator $form
*/
public function setForm($form)
{
$this->form = $form;
}
/**
* @param array $formData
*
* @return mixed
*/
public function preSave($formData)
{
$counter = Session::read('answer_count');
$answerList = Session::read('answer_list');
if (empty($answerList)) {
$answerList = isset($formData['answers']) ? $formData['answers'] : [];
Session::write('answer_list', $answerList);
}
if (isset($_POST['answers'])) {
$formData['answers'] = $_POST['answers'];
}
if (empty($counter)) {
$counter = count($answerList) - 1;
Session::write('answer_count', $counter);
}
// Moving an answer up
if (isset($_POST['move_up']) && $_POST['move_up']) {
foreach ($_POST['move_up'] as $key => &$value) {
$id1 = $key;
$content1 = $formData['answers'][$id1];
$id2 = $key - 1;
$content2 = $formData['answers'][$id2];
$formData['answers'][$id1] = $content2;
$formData['answers'][$id2] = $content1;
}
}
// Moving an answer down
if (isset($_POST['move_down']) && $_POST['move_down']) {
foreach ($_POST['move_down'] as $key => &$value) {
$id1 = $key;
$content1 = $formData['answers'][$id1];
$id2 = $key + 1;
$content2 = $formData['answers'][$id2];
$formData['answers'][$id1] = $content2;
$formData['answers'][$id2] = $content1;
}
}
/**
* This solution is a little bit strange but I could not find a different solution.
*/
if (isset($_POST['delete_answer'])) {
$deleted = false;
foreach ($_POST['delete_answer'] as $key => &$value) {
$deleted = $key;
$counter--;
Session::write('answer_count', $counter);
}
foreach ($formData['answers'] as $key => &$value) {
if ($key > $deleted) {
$formData['answers'][$key - 1] = $formData['answers'][$key];
unset($formData['answers'][$key]);
}
}
}
// Adding an answer
if (isset($_POST['buttons']) && isset($_POST['buttons']['add_answer'])) {
$counter++;
Session::write('answer_count', $counter);
}
// Removing an answer
if (isset($_POST['buttons']) && isset($_POST['buttons']['remove_answer'])) {
$counter--;
Session::write('answer_count', $counter);
foreach ($formData['answers'] as $index => &$data) {
if ($index > $counter) {
unset($formData['answers'][$index]);
}
}
}
if (!isset($_POST['delete_answer'])) {
if (isset($formData['answers'])) {
foreach ($formData['answers'] as $index => $data) {
if ($index > $counter) {
unset($formData['answers'][$index]);
}
}
for ($i = 0; $i <= $counter; $i++) {
if (!isset($formData['answers'][$i])) {
$formData['answers'][$i] = '';
}
}
}
}
$formData['answers'] = isset($formData['answers']) ? $formData['answers'] : [];
Session::write('answer_list', $formData['answers']);
return $formData;
}
/**
* @param array $surveyData
* @param array $formData
*
* @return mixed
*/
public function save($surveyData, $formData)
{
// Saving a question
if (isset($_POST['buttons']) && isset($_POST['buttons']['save'])) {
Session::erase('answer_count');
Session::erase('answer_list');
$message = SurveyManager::save_question(
$surveyData,
$formData
);
if ($message == 'QuestionAdded' || $message == 'QuestionUpdated') {
header('Location: '.api_get_path(WEB_CODE_PATH).'survey/survey.php?survey_id='.intval($_GET['survey_id']).'&message='.$message.'&'.api_get_cidreq());
exit;
}
}
return $formData;
}
/**
* Adds two buttons. One to add an option, one to remove an option.
*
* @param array $data
*/
public function addRemoveButtons($data)
{
$this->buttonList['remove_answer'] = $this->getForm()->createElement(
'button',
'remove_answer',
get_lang('RemoveAnswer'),
'minus',
'default'
);
if (count($data['answers']) <= 2) {
$this->buttonList['remove_answer']->updateAttributes(
['disabled' => 'disabled']
);
}
$this->buttonList['add_answer'] = $this->getForm()->createElement(
'button',
'add_answer',
get_lang('AddAnswer'),
'plus',
'default'
);
}
/**
* @param FormValidator $form
* @param array $questionData
* @param array $answers
*/
public function render(FormValidator $form, $questionData = [], $answers = [])
{
return null;
}
}