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chamilo-lms/main/inc/lib/exercise.lib.php

3738 lines
141 KiB

<?php
/* For licensing terms, see /license.txt */
use ChamiloSession as Session;
/**
* Class ExerciseLib
* shows a question and its answers
* @author Olivier Brouckaert <oli.brouckaert@skynet.be>
* @author Hubert Borderiou 2011-10-21
* @author ivantcholakov2009-07-20
*
*/
class ExerciseLib
{
/**
* Shows a question
*
* @param int $questionId question id
* @param bool $only_questions if true only show the questions, no exercise title
* @param bool $origin i.e = learnpath
* @param string $current_item current item from the list of questions
* @param bool $show_title
* @param bool $freeze
* @param array $user_choice
* @param bool $show_comment
* @param bool $exercise_feedback
* @param bool $show_answers
* */
public static function showQuestion(
$questionId,
$only_questions = false,
$origin = false,
$current_item = '',
$show_title = true,
$freeze = false,
$user_choice = array(),
$show_comment = false,
$exercise_feedback = null,
$show_answers = false
) {
$course_id = api_get_course_int_id();
// Change false to true in the following line to enable answer hinting
$debug_mark_answer = $show_answers;
// Reads question information
if (!$objQuestionTmp = Question::read($questionId)) {
// Question not found
return false;
}
if ($exercise_feedback != EXERCISE_FEEDBACK_TYPE_END) {
$show_comment = false;
}
$answerType = $objQuestionTmp->selectType();
$pictureName = $objQuestionTmp->selectPicture();
$s = '';
if ($answerType != HOT_SPOT && $answerType != HOT_SPOT_DELINEATION) {
// Question is not a hotspot
if (!$only_questions) {
$questionDescription = $objQuestionTmp->selectDescription();
if ($show_title) {
TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
echo Display::div(
$current_item . '. ' . $objQuestionTmp->selectTitle(),
array('class' => 'question_title')
);
}
if (!empty($questionDescription)) {
echo Display::div(
$questionDescription,
array('class' => 'question_description')
);
}
}
if (in_array($answerType, array(FREE_ANSWER, ORAL_EXPRESSION)) &&
$freeze
) {
return '';
}
echo '<div class="question_options row">';
// construction of the Answer object (also gets all answers details)
$objAnswerTmp = new Answer($questionId);
$nbrAnswers = $objAnswerTmp->selectNbrAnswers();
$quiz_question_options = Question::readQuestionOption(
$questionId,
$course_id
);
// For "matching" type here, we need something a little bit special
// because the match between the suggestions and the answers cannot be
// done easily (suggestions and answers are in the same table), so we
// have to go through answers first (elems with "correct" value to 0).
$select_items = array();
//This will contain the number of answers on the left side. We call them
// suggestions here, for the sake of comprehensions, while the ones
// on the right side are called answers
$num_suggestions = 0;
if (in_array($answerType, [MATCHING, DRAGGABLE, MATCHING_DRAGGABLE])) {
if ($answerType == DRAGGABLE) {
$s .= '<div class="col-md-12 ui-widget ui-helper-clearfix">
<div class="clearfix">
<ul class="exercise-draggable-answer ui-helper-reset ui-helper-clearfix">';
} else {
$s .= '<div id="drag'.$questionId.'_question" class="drag_question">
<table class="data_table">';
}
// Iterate through answers
$x = 1;
//mark letters for each answer
$letter = 'A';
$answer_matching = array();
$cpt1 = array();
for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
$answerCorrect = $objAnswerTmp->isCorrect($answerId);
$numAnswer = $objAnswerTmp->selectAutoId($answerId);
if ($answerCorrect == 0) {
// options (A, B, C, ...) that will be put into the list-box
// have the "correct" field set to 0 because they are answer
$cpt1[$x] = $letter;
$answer_matching[$x] = $objAnswerTmp->selectAnswerByAutoId(
$numAnswer
);
$x++;
$letter++;
}
}
$i = 1;
$select_items[0]['id'] = 0;
$select_items[0]['letter'] = '--';
$select_items[0]['answer'] = '';
foreach ($answer_matching as $id => $value) {
$select_items[$i]['id'] = $value['id'];
$select_items[$i]['letter'] = $cpt1[$id];
$select_items[$i]['answer'] = $value['answer'];
$i++;
}
$user_choice_array_position = array();
if (!empty($user_choice)) {
foreach ($user_choice as $item) {
$user_choice_array_position[$item['position']] = $item['answer'];
}
}
$num_suggestions = ($nbrAnswers - $x) + 1;
} elseif ($answerType == FREE_ANSWER) {
$fck_content = isset($user_choice[0]) && !empty($user_choice[0]['answer']) ? $user_choice[0]['answer'] : null;
$form = new FormValidator('free_choice_'.$questionId);
$config = array(
'ToolbarSet' => 'TestFreeAnswer'
);
$form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
$form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
$s .= $form->returnForm();
} elseif ($answerType == ORAL_EXPRESSION) {
// Add nanog
if (api_get_setting('enable_nanogong') == 'true') {
//@todo pass this as a parameter
global $exercise_stat_info, $exerciseId, $exe_id;
if (!empty($exercise_stat_info)) {
$params = array(
'exercise_id' => $exercise_stat_info['exe_exo_id'],
'exe_id' => $exercise_stat_info['exe_id'],
'question_id' => $questionId
);
} else {
$params = array(
'exercise_id' => $exerciseId,
'exe_id' => 'temp_exe',
'question_id' => $questionId
);
}
$nano = new Nanogong($params);
echo $nano->show_button();
}
$form = new FormValidator('free_choice_'.$questionId);
$config = array(
'ToolbarSet' => 'TestFreeAnswer'
);
$form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
//$form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
$s .= $form->returnForm();
}
// Now navigate through the possible answers, using the max number of
// answers for the question as a limiter
$lines_count = 1; // a counter for matching-type answers
if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE ||
$answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE
) {
$header = Display::tag('th', get_lang('Options'));
foreach ($objQuestionTmp->options as $item) {
if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
if (in_array($item, $objQuestionTmp->options)) {
$header .= Display::tag('th', get_lang($item));
} else {
$header .= Display::tag('th', $item);
}
} else {
$header .= Display::tag('th', $item);
}
}
if ($show_comment) {
$header .= Display::tag('th', get_lang('Feedback'));
}
$s .= '<table class="table table-hover table-striped">';
$s .= Display::tag(
'tr',
$header,
array('style' => 'text-align:left;')
);
}
if ($show_comment) {
if (
in_array(
$answerType,
array(
MULTIPLE_ANSWER,
MULTIPLE_ANSWER_COMBINATION,
UNIQUE_ANSWER,
UNIQUE_ANSWER_IMAGE,
UNIQUE_ANSWER_NO_OPTION,
GLOBAL_MULTIPLE_ANSWER
)
)
) {
$header = Display::tag('th', get_lang('Options'));
if ($exercise_feedback == EXERCISE_FEEDBACK_TYPE_END) {
$header .= Display::tag('th', get_lang('Feedback'));
}
$s .= '<table class="table table-hover table-striped">';
$s .= Display::tag(
'tr',
$header,
array('style' => 'text-align:left;')
);
}
}
$matching_correct_answer = 0;
$user_choice_array = array();
if (!empty($user_choice)) {
foreach ($user_choice as $item) {
$user_choice_array[] = $item['answer'];
}
}
for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
$answer = $objAnswerTmp->selectAnswer($answerId);
$answerCorrect = $objAnswerTmp->isCorrect($answerId);
$numAnswer = $objAnswerTmp->selectAutoId($answerId);
$comment = $objAnswerTmp->selectComment($answerId);
$attributes = array();
// Unique answer
if (in_array($answerType, [UNIQUE_ANSWER, UNIQUE_ANSWER_NO_OPTION, UNIQUE_ANSWER_IMAGE])) {
$input_id = 'choice-' . $questionId . '-' . $answerId;
if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer) {
$attributes = array(
'id' => $input_id,
'checked' => 1,
'selected' => 1
);
} else {
$attributes = array('id' => $input_id);
}
if ($debug_mark_answer) {
if ($answerCorrect) {
$attributes['checked'] = 1;
$attributes['selected'] = 1;
}
}
if ($show_comment) {
$s .= '<tr><td>';
}
if ($answerType == UNIQUE_ANSWER_IMAGE) {
if ($show_comment) {
if (empty($comment)) {
$s .= '<div id="answer' . $questionId . $numAnswer . '" '
. 'class="exercise-unique-answer-image" style="text-align: center">';
} else {
$s .= '<div id="answer' . $questionId . $numAnswer . '" '
. 'class="exercise-unique-answer-image col-xs-6 col-sm-12" style="text-align: center">';
}
} else {
$s .= '<div id="answer' . $questionId . $numAnswer . '" '
. 'class="exercise-unique-answer-image col-xs-6 col-md-3" style="text-align: center">';
}
}
$answer = Security::remove_XSS($answer, STUDENT);
$s .= Display::input(
'hidden',
'choice2[' . $questionId . ']',
'0'
);
$answer_input = null;
if ($answerType == UNIQUE_ANSWER_IMAGE) {
$attributes['style'] = 'display: none;';
$answer = '<div class="thumbnail">' . $answer . '</div>';
}
$answer_input .= '<label class="radio">';
$answer_input .= Display::input(
'radio',
'choice[' . $questionId . ']',
$numAnswer,
$attributes
);
$answer_input .= $answer;
$answer_input .= '</label>';
if ($answerType == UNIQUE_ANSWER_IMAGE) {
$answer_input .= "</div>";
}
if ($show_comment) {
$s .= $answer_input;
$s .= '</td>';
$s .= '<td>';
$s .= $comment;
$s .= '</td>';
$s .= '</tr>';
} else {
$s .= $answer_input;
}
} elseif (
$answerType == MULTIPLE_ANSWER ||
$answerType == MULTIPLE_ANSWER_TRUE_FALSE ||
$answerType == GLOBAL_MULTIPLE_ANSWER
) {
$input_id = 'choice-' . $questionId . '-' . $answerId;
$answer = Security::remove_XSS($answer, STUDENT);
if (in_array($numAnswer, $user_choice_array)) {
$attributes = array(
'id' => $input_id,
'checked' => 1,
'selected' => 1
);
} else {
$attributes = array('id' => $input_id);
}
if ($debug_mark_answer) {
if ($answerCorrect) {
$attributes['checked'] = 1;
$attributes['selected'] = 1;
}
}
if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
$s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
$answer_input = '<label class="checkbox">';
$answer_input .= Display::input(
'checkbox',
'choice[' . $questionId . '][' . $numAnswer . ']',
$numAnswer,
$attributes
);
$answer_input .= $answer;
$answer_input .= '</label>';
if ($show_comment) {
$s .= '<tr><td>';
$s .= $answer_input;
$s .= '</td>';
$s .= '<td>';
$s .= $comment;
$s .= '</td>';
$s .= '</tr>';
} else {
$s .= $answer_input;
}
} elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
$my_choice = array();
if (!empty($user_choice_array)) {
foreach ($user_choice_array as $item) {
$item = explode(':', $item);
$my_choice[$item[0]] = $item[1];
}
}
$s .= '<tr>';
$s .= Display::tag('td', $answer);
if (!empty($quiz_question_options)) {
foreach ($quiz_question_options as $id => $item) {
if (isset($my_choice[$numAnswer]) && $id == $my_choice[$numAnswer]) {
$attributes = array(
'checked' => 1,
'selected' => 1
);
} else {
$attributes = array();
}
if ($debug_mark_answer) {
if ($id == $answerCorrect) {
$attributes['checked'] = 1;
$attributes['selected'] = 1;
}
}
$s .= Display::tag(
'td',
Display::input(
'radio',
'choice[' . $questionId . '][' . $numAnswer . ']',
$id,
$attributes
),
array('style' => '')
);
}
}
if ($show_comment) {
$s .= '<td>';
$s .= $comment;
$s .= '</td>';
}
$s .= '</tr>';
}
} elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
// multiple answers
$input_id = 'choice-' . $questionId . '-' . $answerId;
if (in_array($numAnswer, $user_choice_array)) {
$attributes = array(
'id' => $input_id,
'checked' => 1,
'selected' => 1
);
} else {
$attributes = array('id' => $input_id);
}
if ($debug_mark_answer) {
if ($answerCorrect) {
$attributes['checked'] = 1;
$attributes['selected'] = 1;
}
}
$answer = Security::remove_XSS($answer, STUDENT);
$answer_input = '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
$answer_input .= '<label class="checkbox">';
$answer_input .= Display::input(
'checkbox',
'choice[' . $questionId . '][' . $numAnswer . ']',
1,
$attributes
);
$answer_input .= $answer;
$answer_input .= '</label>';
if ($show_comment) {
$s .= '<tr>';
$s .= '<td>';
$s .= $answer_input;
$s .= '</td>';
$s .= '<td>';
$s .= $comment;
$s .= '</td>';
$s .= '</tr>';
} else {
$s .= $answer_input;
}
} elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
$s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
$my_choice = array();
if (!empty($user_choice_array)) {
foreach ($user_choice_array as $item) {
$item = explode(':', $item);
if (isset($item[1]) && isset($item[0])) {
$my_choice[$item[0]] = $item[1];
}
}
}
$answer = Security::remove_XSS($answer, STUDENT);
$s .= '<tr>';
$s .= Display::tag('td', $answer);
foreach ($objQuestionTmp->options as $key => $item) {
if (isset($my_choice[$numAnswer]) && $key == $my_choice[$numAnswer]) {
$attributes = array(
'checked' => 1,
'selected' => 1
);
} else {
$attributes = array();
}
if ($debug_mark_answer) {
if ($key == $answerCorrect) {
$attributes['checked'] = 1;
$attributes['selected'] = 1;
}
}
$s .= Display::tag(
'td',
Display::input(
'radio',
'choice[' . $questionId . '][' . $numAnswer . ']',
$key,
$attributes
)
);
}
if ($show_comment) {
$s .= '<td>';
$s .= $comment;
$s .= '</td>';
}
$s .= '</tr>';
} elseif ($answerType == FILL_IN_BLANKS) {
// display the question, with field empty, for student to fill it,
// or filled to display the answer in the Question preview of the exercice/admin.php page
$displayForStudent = true;
$listAnswerInformations = FillBlanks::getAnswerInfo($answer);
$separatorStartRegexp = FillBlanks::escapeForRegexp($listAnswerInformations['blankseparatorstart']);
$separatorEndRegexp = FillBlanks::escapeForRegexp($listAnswerInformations['blankseparatorend']);
list($answer) = explode('::', $answer);
//Correct answers
$correctAnswerList = $listAnswerInformations['tabwords'];
//Student's answer
$studentAnswerList = array();
if (isset($user_choice[0]['answer'])) {
$arrayStudentAnswer = FillBlanks::getAnswerInfo($user_choice[0]['answer'], true);
$studentAnswerList = $arrayStudentAnswer['studentanswer'];
}
// If the question must be shown with the answer (in page exercice/admin.php) for teacher preview
// set the student-answer to the correct answer
if ($debug_mark_answer) {
$studentAnswerList = $correctAnswerList;
$displayForStudent = false;
}
if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
$answer = "";
for ($i = 0; $i < count($listAnswerInformations["commonwords"]) - 1; $i++) {
// display the common word
$answer .= $listAnswerInformations["commonwords"][$i];
// display the blank word
$correctItem = $listAnswerInformations["tabwords"][$i];
$correctItemRegexp = $correctItem;
// replace / with \/ to allow the preg_replace bellow and all the regexp char
$correctItemRegexp = FillBlanks::getRegexpProtected($correctItemRegexp);
if (isset($studentAnswerList[$i])) {
// If student already started this test and answered this question,
// fill the blank with his previous answers
// may be "" if student viewed the question, but did not fill the blanks
$correctItem = $studentAnswerList[$i];
}
$attributes["style"] = "width:".$listAnswerInformations["tabinputsize"][$i]."px";
$answer .= FillBlanks::getFillTheBlankHtml($separatorStartRegexp, $separatorEndRegexp, $correctItemRegexp, $questionId, $correctItem, $attributes, $answer, $listAnswerInformations, $displayForStudent, $i);
}
// display the last common word
$answer .= $listAnswerInformations["commonwords"][$i];
} else {
// display empty [input] with the right width for student to fill it
$separatorStartRegexp = FillBlanks::escapeForRegexp($listAnswerInformations['blankseparatorstart']);
$separatorEndRegexp = FillBlanks::escapeForRegexp($listAnswerInformations['blankseparatorend']);
$answer = "";
for ($i = 0; $i < count($listAnswerInformations["commonwords"]) - 1; $i++) {
// display the common words
$answer .= $listAnswerInformations["commonwords"][$i];
// display the blank word
$attributes["style"] = "width:".$listAnswerInformations["tabinputsize"][$i]."px";
$correctItem = $listAnswerInformations["tabwords"][$i];
$correctItemRegexp = $correctItem;
// replace / with \/ to allow the preg_replace bellow and all the regexp char
$correctItemRegexp = FillBlanks::getRegexpProtected($correctItemRegexp);
$answer .= FillBlanks::getFillTheBlankHtml($separatorStartRegexp, $separatorEndRegexp, $correctItemRegexp, $questionId, '', $attributes, $answer, $listAnswerInformations, $displayForStudent, $i);
}
// display the last common word
$answer .= $listAnswerInformations["commonwords"][$i];
}
$s .= $answer;
} elseif ($answerType == CALCULATED_ANSWER) {
/*
* In the CALCULATED_ANSWER test
* you mustn't have [ and ] in the textarea
* you mustn't have @@ in the textarea
* the text to find mustn't be empty or contains only spaces
* the text to find mustn't contains HTML tags
* the text to find mustn't contains char "
*/
if ($origin !== null) {
global $exe_id;
$trackAttempts = Database::get_main_table(
TABLE_STATISTIC_TRACK_E_ATTEMPT
);
$sql = 'SELECT answer FROM ' . $trackAttempts . '
WHERE exe_id=' . $exe_id . ' AND question_id=' . $questionId;
$rsLastAttempt = Database::query($sql);
$rowLastAttempt = Database::fetch_array($rsLastAttempt);
$answer = $rowLastAttempt['answer'];
if (empty($answer)) {
$_SESSION['calculatedAnswerId'][$questionId] = mt_rand(
1,
$nbrAnswers
);
$answer = $objAnswerTmp->selectAnswer(
$_SESSION['calculatedAnswerId'][$questionId]
);
}
}
list($answer) = explode('@@', $answer);
// $correctAnswerList array of array with correct anwsers 0=> [0=>[\p] 1=>[plop]]
api_preg_match_all(
'/\[[^]]+\]/',
$answer,
$correctAnswerList
);
// get student answer to display it if student go back to previous calculated answer question in a test
if (isset($user_choice[0]['answer'])) {
api_preg_match_all(
'/\[[^]]+\]/',
$answer,
$studentAnswerList
);
$studentAnswerListTobecleaned = $studentAnswerList[0];
$studentAnswerList = array();
for ($i = 0; $i < count(
$studentAnswerListTobecleaned
); $i++) {
$answerCorrected = $studentAnswerListTobecleaned[$i];
$answerCorrected = api_preg_replace(
'| / <font color="green"><b>.*$|',
'',
$answerCorrected
);
$answerCorrected = api_preg_replace(
'/^\[/',
'',
$answerCorrected
);
$answerCorrected = api_preg_replace(
'|^<font color="red"><s>|',
'',
$answerCorrected
);
$answerCorrected = api_preg_replace(
'|</s></font>$|',
'',
$answerCorrected
);
$answerCorrected = '[' . $answerCorrected . ']';
$studentAnswerList[] = $answerCorrected;
}
}
// If display preview of answer in test view for exemple, set the student answer to the correct answers
if ($debug_mark_answer) {
// contain the rights answers surronded with brackets
$studentAnswerList = $correctAnswerList[0];
}
/*
Split the response by bracket
tabComments is an array with text surrounding the text to find
we add a space before and after the answerQuestion to be sure to
have a block of text before and after [xxx] patterns
so we have n text to find ([xxx]) and n+1 block of texts before,
between and after the text to find
*/
$tabComments = api_preg_split(
'/\[[^]]+\]/',
' ' . $answer . ' '
);
if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
$answer = "";
$i = 0;
foreach ($studentAnswerList as $studentItem) {
// remove surronding brackets
$studentResponse = api_substr(
$studentItem,
1,
api_strlen($studentItem) - 2
);
$size = strlen($studentItem);
$attributes['class'] = self::detectInputAppropriateClass(
$size
);
$answer .= $tabComments[$i] .
Display::input(
'text',
"choice[$questionId][]",
$studentResponse,
$attributes
);
$i++;
}
$answer .= $tabComments[$i];
} else {
// display exercise with empty input fields
// every [xxx] are replaced with an empty input field
foreach ($correctAnswerList[0] as $item) {
$size = strlen($item);
$attributes['class'] = self::detectInputAppropriateClass(
$size
);
$answer = str_replace(
$item,
Display::input(
'text',
"choice[$questionId][]",
'',
$attributes
),
$answer
);
}
}
if ($origin !== null) {
$s = $answer;
break;
} else {
$s .= $answer;
}
} elseif ($answerType == MATCHING) {
// matching type, showing suggestions and answers
// TODO: replace $answerId by $numAnswer
if ($answerCorrect != 0) {
// only show elements to be answered (not the contents of
// the select boxes, who are corrrect = 0)
$s .= '<tr><td width="45%" valign="top">';
$parsed_answer = $answer;
//left part questions
$s .= '<p class="indent">' . $lines_count . '.&nbsp;' . $parsed_answer . '</p></td>';
//middle part (matches selects)
$s .= '<td width="10%" valign="top" align="center" >
<div class="select-matching">
<select name="choice[' . $questionId . '][' . $numAnswer . ']">';
// fills the list-box
foreach ($select_items as $key => $val) {
// set $debug_mark_answer to true at function start to
// show the correct answer with a suffix '-x'
$selected = '';
if ($debug_mark_answer) {
if ($val['id'] == $answerCorrect) {
$selected = 'selected="selected"';
}
}
//$user_choice_array_position
if (isset($user_choice_array_position[$numAnswer]) && $val['id'] == $user_choice_array_position[$numAnswer]) {
$selected = 'selected="selected"';
}
$s .= '<option value="' . $val['id'] . '" ' . $selected . '>' . $val['letter'] . '</option>';
} // end foreach()
$s .= '</select></div></td><td width="5%" class="separate">&nbsp;</td>';
$s .= '<td width="40%" valign="top" >';
if (isset($select_items[$lines_count])) {
$s .= '<div class="text-right"><p class="indent">' . $select_items[$lines_count]['letter'].'.&nbsp; '. $select_items[$lines_count]['answer'].'</p></div>';
} else {
$s .= '&nbsp;';
}
$s .= '</td>';
$s .= '</tr>';
$lines_count++;
//if the left side of the "matching" has been completely
// shown but the right side still has values to show...
if (($lines_count - 1) == $num_suggestions) {
// if it remains answers to shown at the right side
while (isset($select_items[$lines_count])) {
$s .= '<tr>
<td colspan="2"></td>
<td valign="top">';
$s .= '<b>' . $select_items[$lines_count]['letter'] . '.</b> ' . $select_items[$lines_count]['answer'];
$s .= "</td>
</tr>";
$lines_count++;
} // end while()
} // end if()
$matching_correct_answer++;
}
} elseif ($answerType == DRAGGABLE) {
if ($answerCorrect != 0) {
$parsed_answer = $answer;
/*$lines_count = '';
$data = $objAnswerTmp->getAnswerByAutoId($numAnswer);
$data = $objAnswerTmp->getAnswerByAutoId($data['correct']);
$lines_count = $data['answer'];*/
$windowId = $questionId . '_' . $lines_count;
$s .= '<li class="touch-items" id="' . $windowId . '">';
$s .= Display::div(
$parsed_answer,
[
'id' => "window_$windowId",
'class' => "window{$questionId}_question_draggable exercise-draggable-answer-option"
]
);
$selectedValue = 0;
$draggableSelectOptions = [];
foreach ($select_items as $key => $val) {
if ($debug_mark_answer) {
if ($val['id'] == $answerCorrect) {
$selectedValue = $val['id'];
}
}
if (
isset($user_choice[$matching_correct_answer]) &&
$val['id'] == $user_choice[$matching_correct_answer]['answer']
) {
$selectedValue = $val['id'];
}
$draggableSelectOptions[$val['id']] = $val['letter'];
}
$s .= Display::select(
"choice[$questionId][$numAnswer]",
$draggableSelectOptions,
$selectedValue,
[
'id' => "window_{$windowId}_select",
'class' => 'select_option',
'style' => 'display: none;'
],
false
);
if (!empty($answerCorrect) && !empty($selectedValue)) {
$s .= <<<JAVASCRIPT
<script>
$(function() {
DraggableAnswer.deleteItem(
$('#{$questionId}_{$selectedValue}'),
$('#drop_$windowId')
);
});
</script>
JAVASCRIPT;
}
if (isset($select_items[$lines_count])) {
$s .= Display::div(
Display::tag(
'b',
$select_items[$lines_count]['letter']
) . $select_items[$lines_count]['answer'],
[
'id' => "window_{$windowId}_answer",
'style' => 'display: none;'
]
);
} else {
$s .= '&nbsp;';
}
$lines_count++;
if (($lines_count - 1) == $num_suggestions) {
while (isset($select_items[$lines_count])) {
$s .= Display::tag('b', $select_items[$lines_count]['letter']);
$s .= $select_items[$lines_count]['answer'];
$lines_count++;
}
}
$matching_correct_answer++;
$s .= '</li>';
}
} elseif ($answerType == MATCHING_DRAGGABLE) {
if ($answerId == 1) {
echo $objAnswerTmp->getJs();
}
if ($answerCorrect != 0) {
$parsed_answer = $answer;
$windowId = "{$questionId}_{$lines_count}";
$s .= <<<HTML
<tr>
<td widht="45%">
<div id="window_{$windowId}" class="window window_left_question window{$questionId}_question">
<strong>$lines_count.</strong> $parsed_answer
</div>
</td>
<td width="10%">
HTML;
$selectedValue = 0;
$questionOptions = [];
foreach ($select_items as $key => $val) {
if ($debug_mark_answer) {
if ($val['id'] == $answerCorrect) {
$selectedValue = $val['id'];
}
}
if (
isset($user_choice[$matching_correct_answer]) &&
$val['id'] == $user_choice[$matching_correct_answer]['answer']
) {
$selectedValue = $val['id'];
}
$questionOptions[$val['id']] = $val['letter'];
}
$s .= Display::select(
"choice[$questionId][$numAnswer]",
$questionOptions,
$selectedValue,
[
'id' => "window_{$windowId}_select",
'class' => 'hidden'
],
false
);
if (!empty($answerCorrect) && !empty($selectedValue)) {
// Show connect if is not freeze (question preview)
if (!$freeze) {
$s .= <<<JAVASCRIPT
<script>
jsPlumb.ready(function() {
jsPlumb.connect({
source: 'window_$windowId',
target: 'window_{$questionId}_{$selectedValue}_answer',
endpoint: ['Blank', {radius: 15}],
anchors: ['RightMiddle', 'LeftMiddle'],
paintStyle: {strokeStyle: '#8A8888', lineWidth: 8},
connector: [
MatchingDraggable.connectorType,
{curvines: MatchingDraggable.curviness}
]
});
});
</script>
JAVASCRIPT;
}
}
$s .= <<<HTML
</td>
<td width="45%">
HTML;
if (isset($select_items[$lines_count])) {
$s .= <<<HTML
<div id="window_{$windowId}_answer" class="window window_right_question">
<strong>{$select_items[$lines_count]['letter']}.</strong> {$select_items[$lines_count]['answer']}
</div>
HTML;
} else {
$s .= '&nbsp;';
}
$s .= '</td></tr>';
$lines_count++;
if (($lines_count - 1) == $num_suggestions) {
while (isset($select_items[$lines_count])) {
$s .= <<<HTML
<tr>
<td colspan="2"></td>
<td>
<strong>{$select_items[$lines_count]['letter']}</strong>
{$select_items[$lines_count]['answer']}
</td>
</tr>
HTML;
$lines_count++;
}
}
$matching_correct_answer++;
}
}
} // end for()
if ($show_comment) {
$s .= '</table>';
} elseif(
in_array(
$answerType,
[
MATCHING,
MATCHING_DRAGGABLE,
UNIQUE_ANSWER_NO_OPTION,
MULTIPLE_ANSWER_TRUE_FALSE,
MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE
]
)
) {
$s .= '</table>';
}
if ($answerType == DRAGGABLE) {
$s .= "</ul>";
$s .= "</div>"; //clearfix
$counterAnswer = 1;
$s .= '<div class="col-md-12"><div class="row">';
for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
$answerCorrect = $objAnswerTmp->isCorrect($answerId);
$windowId = $questionId . '_' . $counterAnswer;
if ($answerCorrect) {
$s .= Display::div(
$counterAnswer,
[
'id' => "drop_$windowId",
'class' => 'droppable col-md-2'
]
);
$counterAnswer++;
}
}
$s .= '</div>'; // row
$s .= '</div>'; // col-md-12
$s .= '</div>'; // col-md-12 ui-widget ui-helper-clearfix
}
if (in_array($answerType, [MATCHING, MATCHING_DRAGGABLE])) {
$s .= '</div>'; //drag_question
}
$s .= '</div>'; //question_options row
// destruction of the Answer object
unset($objAnswerTmp);
// destruction of the Question object
unset($objQuestionTmp);
if ($origin != 'export') {
echo $s;
} else {
return $s;
}
} elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
// Question is a HOT_SPOT
//checking document/images visibility
if (api_is_platform_admin() || api_is_course_admin()) {
$course = api_get_course_info();
$doc_id = DocumentManager::get_document_id(
$course,
'/images/' . $pictureName
);
if (is_numeric($doc_id)) {
$images_folder_visibility = api_get_item_visibility(
$course,
'document',
$doc_id,
api_get_session_id()
);
if (!$images_folder_visibility) {
//This message is shown only to the course/platform admin if the image is set to visibility = false
Display::display_warning_message(
get_lang('ChangeTheVisibilityOfTheCurrentImage')
);
}
}
}
$questionName = $objQuestionTmp->selectTitle();
$questionDescription = $objQuestionTmp->selectDescription();
if ($freeze) {
echo Display::img($objQuestionTmp->selectPicturePath());
return;
}
// Get the answers, make a list
$objAnswerTmp = new Answer($questionId);
$nbrAnswers = $objAnswerTmp->selectNbrAnswers();
// get answers of hotpost
$answers_hotspot = array();
for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
$answers = $objAnswerTmp->selectAnswerByAutoId(
$objAnswerTmp->selectAutoId($answerId)
);
$answers_hotspot[$answers['id']] = $objAnswerTmp->selectAnswer(
$answerId
);
}
$answerList = '';
if ($answerType != HOT_SPOT_DELINEATION) {
$answerList = '
<div class="well well-sm">
<h5 class="page-header">' . get_lang('HotspotZones') . '</h5>
<ol>
';
if (!empty($answers_hotspot)) {
ksort($answers_hotspot);
$countAnswers = 1;
foreach ($answers_hotspot as $value) {
$answerList .= "<li><p>{$countAnswers} - {$value}</p></li>";
$countAnswers++;
}
}
$answerList .= '
</ol>
</div>
';
}
if (!$only_questions) {
if ($show_title) {
TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
echo '<div class="question_title">' . $current_item . '. ' . $questionName . '</div>';
}
//@todo I need to the get the feedback type
echo <<<HOTSPOT
<input type="hidden" name="hidden_hotspot_id" value="$questionId" />
<div class="exercise_questions">
$questionDescription
<div class="row">
HOTSPOT;
}
$canClick = isset($_GET['editQuestion']) ? '0' : (isset($_GET['modifyAnswers']) ? '0' : '1');
$s .= <<<HOTSPOT
<div class="col-sm-8 col-md-9">
<div class="hotspot-image"></div>
<script>
$(document).on('ready', function () {
HotSpotUser.init({
questionId: $questionId,
selector: '#question_div_' + $questionId + ' .hotspot-image'
});
});
</script>
</div>
<div class="col-sm-4 col-md-3">
$answerList
</div>
HOTSPOT;
echo <<<HOTSPOT
$s
</div>
</div>
HOTSPOT;
}
return $nbrAnswers;
}
/**
* @param int $exe_id
* @return array
*/
public static function get_exercise_track_exercise_info($exe_id)
{
$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
$TBL_TRACK_EXERCICES = Database::get_main_table(
TABLE_STATISTIC_TRACK_E_EXERCISES
);
$TBL_COURSE = Database::get_main_table(TABLE_MAIN_COURSE);
$exe_id = intval($exe_id);
$result = array();
if (!empty($exe_id)) {
$sql = " SELECT q.*, tee.*
FROM $TBL_EXERCICES as q
INNER JOIN $TBL_TRACK_EXERCICES as tee
ON q.id = tee.exe_exo_id
INNER JOIN $TBL_COURSE c
ON c.id = tee.c_id
WHERE tee.exe_id = $exe_id
AND q.c_id = c.id";
$res_fb_type = Database::query($sql);
$result = Database::fetch_array($res_fb_type, 'ASSOC');
}
return $result;
}
/**
* Validates the time control key
*/
public static function exercise_time_control_is_valid(
$exercise_id,
$lp_id = 0,
$lp_item_id = 0
) {
$course_id = api_get_course_int_id();
$exercise_id = intval($exercise_id);
$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
$sql = "SELECT expired_time FROM $TBL_EXERCICES
WHERE c_id = $course_id AND id = $exercise_id";
$result = Database::query($sql);
$row = Database::fetch_array($result, 'ASSOC');
if (!empty($row['expired_time'])) {
$current_expired_time_key = ExerciseLib::get_time_control_key(
$exercise_id,
$lp_id,
$lp_item_id
);
if (isset($_SESSION['expired_time'][$current_expired_time_key])) {
$current_time = time();
$expired_time = api_strtotime(
$_SESSION['expired_time'][$current_expired_time_key],
'UTC'
);
$total_time_allowed = $expired_time + 30;
if ($total_time_allowed < $current_time) {
return false;
}
return true;
} else {
return false;
}
} else {
return true;
}
}
/**
* Deletes the time control token
*/
public static function exercise_time_control_delete(
$exercise_id,
$lp_id = 0,
$lp_item_id = 0
) {
$current_expired_time_key = self::get_time_control_key(
$exercise_id,
$lp_id,
$lp_item_id
);
unset($_SESSION['expired_time'][$current_expired_time_key]);
}
/**
* Generates the time control key
*/
public static function get_time_control_key($exercise_id, $lp_id = 0, $lp_item_id = 0)
{
$exercise_id = intval($exercise_id);
$lp_id = intval($lp_id);
$lp_item_id = intval($lp_item_id);
return
api_get_course_int_id() . '_' .
api_get_session_id() . '_' .
$exercise_id . '_' .
api_get_user_id() . '_' .
$lp_id . '_' .
$lp_item_id;
}
/**
* Get session time control
*/
public static function get_session_time_control_key(
$exercise_id,
$lp_id = 0,
$lp_item_id = 0
) {
$return_value = 0;
$time_control_key = self::get_time_control_key(
$exercise_id,
$lp_id,
$lp_item_id
);
if (isset($_SESSION['expired_time']) && isset($_SESSION['expired_time'][$time_control_key])) {
$return_value = $_SESSION['expired_time'][$time_control_key];
}
return $return_value;
}
/**
* Gets count of exam results
* @todo this function should be moved in a library + no global calls
*/
public static function get_count_exam_results($exercise_id, $extra_where_conditions)
{
$count = self::get_exam_results_data(
null,
null,
null,
null,
$exercise_id,
$extra_where_conditions,
true
);
return $count;
}
/**
* @param string $in_hotpot_path
* @return int
*/
public static function get_count_exam_hotpotatoes_results($in_hotpot_path)
{
return self::get_exam_results_hotpotatoes_data(
0,
0,
'',
'',
$in_hotpot_path,
true,
''
);
}
/**
* @param int $in_from
* @param int $in_number_of_items
* @param int $in_column
* @param int $in_direction
* @param string $in_hotpot_path
* @param bool $in_get_count
* @param null $where_condition
* @return array|int
*/
public static function get_exam_results_hotpotatoes_data(
$in_from,
$in_number_of_items,
$in_column,
$in_direction,
$in_hotpot_path,
$in_get_count = false,
$where_condition = null
) {
$courseId = api_get_course_int_id();
/* by default in_column = 1 If parameters given,
it is the name of the column witch is the bdd field name*/
if ($in_column == 1) {
$in_column = 'firstname';
}
$in_hotpot_path = Database::escape_string($in_hotpot_path);
$in_direction = Database::escape_string($in_direction);
$in_column = Database::escape_string($in_column);
$in_number_of_items = intval($in_number_of_items);
$in_from = intval($in_from);
$TBL_TRACK_HOTPOTATOES = Database:: get_main_table(
TABLE_STATISTIC_TRACK_E_HOTPOTATOES
);
$TBL_USER = Database:: get_main_table(TABLE_MAIN_USER);
$sql = "SELECT * FROM $TBL_TRACK_HOTPOTATOES thp
JOIN $TBL_USER u ON thp.exe_user_id = u.user_id
WHERE thp.c_id = $courseId AND exe_name LIKE '$in_hotpot_path%'";
// just count how many answers
if ($in_get_count) {
$res = Database::query($sql);
return Database::num_rows($res);
}
// get a number of sorted results
$sql .= " $where_condition
ORDER BY $in_column $in_direction
LIMIT $in_from, $in_number_of_items";
$res = Database::query($sql);
$result = array();
$apiIsAllowedToEdit = api_is_allowed_to_edit();
$urlBase = api_get_path(WEB_CODE_PATH) .
'exercice/hotpotatoes_exercise_report.php?action=delete&' .
api_get_cidreq() . '&id=';
while ($data = Database::fetch_array($res)) {
$actions = null;
if ($apiIsAllowedToEdit) {
$url = $urlBase . $data['id'] . '&path=' . $data['exe_name'];
$actions = Display::url(
Display::return_icon('delete.png', get_lang('Delete')),
$url
);
}
$result[] = array(
'firstname' => $data['firstname'],
'lastname' => $data['lastname'],
'username' => $data['username'],
'group_name' => implode(
"<br/>",
GroupManager::get_user_group_name($data['user_id'])
),
'exe_date' => $data['exe_date'],
'score' => $data['exe_result'] . ' / ' . $data['exe_weighting'],
'actions' => $actions,
);
}
return $result;
}
/**
* @param string $exercisePath
* @param int $userId
* @param int $courseId
* @param int $sessionId
*
* @return array
*/
public static function getLatestHotPotatoResult(
$exercisePath,
$userId,
$courseId,
$sessionId
) {
$table = Database:: get_main_table(
TABLE_STATISTIC_TRACK_E_HOTPOTATOES
);
$courseInfo = api_get_course_info_by_id($courseId);
$exercisePath = Database::escape_string($exercisePath);
$userId = intval($userId);
$sql = "SELECT * FROM $table
WHERE
c_id = $courseId AND
exe_name LIKE '$exercisePath%' AND
exe_user_id = $userId
ORDER BY id
LIMIT 1";
$result = Database::query($sql);
$attempt = array();
if (Database::num_rows($result)) {
$attempt = Database::fetch_array($result, 'ASSOC');
}
return $attempt;
}
/**
* Gets the exam'data results
* @todo this function should be moved in a library + no global calls
* @param int $from
* @param int $number_of_items
* @param int $column
* @param string $direction
* @param int $exercise_id
* @param null $extra_where_conditions
* @param bool $get_count
* @return array
*/
public static function get_exam_results_data(
$from,
$number_of_items,
$column,
$direction,
$exercise_id,
$extra_where_conditions = null,
$get_count = false
) {
//@todo replace all this globals
global $documentPath, $filter;
$course_id = api_get_course_int_id();
$sessionId = api_get_session_id();
$is_allowedToEdit = api_is_allowed_to_edit(null, true) ||
api_is_allowed_to_edit(true) || api_is_drh() || api_is_student_boss();
$TBL_USER = Database:: get_main_table(TABLE_MAIN_USER);
$TBL_EXERCICES = Database:: get_course_table(TABLE_QUIZ_TEST);
$TBL_GROUP_REL_USER = Database:: get_course_table(TABLE_GROUP_USER);
$TBL_GROUP = Database:: get_course_table(TABLE_GROUP);
$TBL_TRACK_EXERCICES = Database:: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$TBL_TRACK_HOTPOTATOES = Database:: get_main_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES);
$TBL_TRACK_ATTEMPT_RECORDING = Database:: get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
$session_id_and = ' AND te.session_id = ' . $sessionId . ' ';
$exercise_id = intval($exercise_id);
$exercise_where = '';
if (!empty($exercise_id)) {
$exercise_where .= ' AND te.exe_exo_id = ' . $exercise_id . ' ';
}
$hotpotatoe_where = '';
if (!empty($_GET['path'])) {
$hotpotatoe_path = Database::escape_string($_GET['path']);
$hotpotatoe_where .= ' AND exe_name = "' . $hotpotatoe_path . '" ';
}
// sql for chamilo-type tests for teacher / tutor view
$sql_inner_join_tbl_track_exercices = "
(
SELECT DISTINCT ttte.*, if(tr.exe_id,1, 0) as revised
FROM $TBL_TRACK_EXERCICES ttte LEFT JOIN $TBL_TRACK_ATTEMPT_RECORDING tr
ON (ttte.exe_id = tr.exe_id)
WHERE
c_id = $course_id AND
exe_exo_id = $exercise_id AND
ttte.session_id = " . $sessionId . "
)";
if ($is_allowedToEdit) {
//@todo fix to work with COURSE_RELATION_TYPE_RRHH in both queries
// Hack in order to filter groups
$sql_inner_join_tbl_user = '';
if (strpos($extra_where_conditions, 'group_id')) {
$sql_inner_join_tbl_user = "
(
SELECT
u.user_id,
firstname,
lastname,
official_code,
email,
username,
g.name as group_name,
g.id as group_id
FROM $TBL_USER u
INNER JOIN $TBL_GROUP_REL_USER gru
ON (gru.user_id = u.user_id AND gru.c_id=" . $course_id . ")
INNER JOIN $TBL_GROUP g
ON (gru.group_id = g.id AND g.c_id=" . $course_id . ")
)";
}
if (strpos($extra_where_conditions, 'group_all')) {
$extra_where_conditions = str_replace(
"AND ( group_id = 'group_all' )",
'',
$extra_where_conditions
);
$extra_where_conditions = str_replace(
"AND group_id = 'group_all'",
'',
$extra_where_conditions
);
$extra_where_conditions = str_replace(
"group_id = 'group_all' AND",
'',
$extra_where_conditions
);
$sql_inner_join_tbl_user = "
(
SELECT
u.user_id,
firstname,
lastname,
official_code,
email,
username,
'' as group_name,
'' as group_id
FROM $TBL_USER u
)";
$sql_inner_join_tbl_user = null;
}
if (strpos($extra_where_conditions, 'group_none')) {
$extra_where_conditions = str_replace(
"AND ( group_id = 'group_none' )",
"AND ( group_id is null )",
$extra_where_conditions
);
$extra_where_conditions = str_replace(
"AND group_id = 'group_none'",
"AND ( group_id is null )",
$extra_where_conditions
);
$sql_inner_join_tbl_user = "
(
SELECT
u.user_id,
firstname,
lastname,
official_code,
email,
username,
g.name as group_name,
g.id as group_id
FROM $TBL_USER u
LEFT OUTER JOIN $TBL_GROUP_REL_USER gru
ON ( gru.user_id = u.user_id AND gru.c_id=" . $course_id . " )
LEFT OUTER JOIN $TBL_GROUP g
ON (gru.group_id = g.id AND g.c_id = " . $course_id . ")
)";
}
// All
$is_empty_sql_inner_join_tbl_user = false;
if (empty($sql_inner_join_tbl_user)) {
$is_empty_sql_inner_join_tbl_user = true;
$sql_inner_join_tbl_user = "
(
SELECT u.user_id, firstname, lastname, email, username, ' ' as group_name, '' as group_id, official_code
FROM $TBL_USER u
WHERE u.status NOT IN(" . api_get_users_status_ignored_in_reports('string') . ")
)";
}
$sqlFromOption = " , $TBL_GROUP_REL_USER AS gru ";
$sqlWhereOption = " AND gru.c_id = " . $course_id ." AND gru.user_id = user.user_id ";
$first_and_last_name = api_is_western_name_order() ? "firstname, lastname" : "lastname, firstname";
if ($get_count) {
$sql_select = "SELECT count(te.exe_id) ";
} else {
$sql_select = "SELECT DISTINCT
user_id,
$first_and_last_name,
official_code,
ce.title,
username,
te.exe_result,
te.exe_weighting,
te.exe_date,
te.exe_id,
email as exemail,
te.start_date,
steps_counter,
exe_user_id,
te.exe_duration,
propagate_neg,
revised,
group_name,
group_id,
orig_lp_id,
te.user_ip";
}
$sql = " $sql_select
FROM $TBL_EXERCICES AS ce
INNER JOIN $sql_inner_join_tbl_track_exercices AS te
ON (te.exe_exo_id = ce.id)
INNER JOIN $sql_inner_join_tbl_user AS user
ON (user.user_id = exe_user_id)
WHERE
te.status != 'incomplete' AND
te.c_id = " . $course_id . " $session_id_and AND
ce.active <>-1 AND ce.c_id = " . $course_id . "
$exercise_where
$extra_where_conditions
";
// sql for hotpotatoes tests for teacher / tutor view
if ($get_count) {
$hpsql_select = "SELECT count(username)";
} else {
$hpsql_select = "SELECT
$first_and_last_name ,
username,
official_code,
tth.exe_name,
tth.exe_result ,
tth.exe_weighting,
tth.exe_date";
}
$hpsql = " $hpsql_select
FROM
$TBL_TRACK_HOTPOTATOES tth,
$TBL_USER user
$sqlFromOption
WHERE
user.user_id=tth.exe_user_id
AND tth.c_id = " . $course_id . "
$hotpotatoe_where
$sqlWhereOption
AND user.status NOT IN(" . api_get_users_status_ignored_in_reports(
'string'
) . ")
ORDER BY
tth.c_id ASC,
tth.exe_date DESC";
}
if ($get_count) {
$resx = Database::query($sql);
$rowx = Database::fetch_row($resx, 'ASSOC');
return $rowx[0];
}
$teacher_list = CourseManager::get_teacher_list_from_course_code(
api_get_course_id()
);
$teacher_id_list = array();
foreach ($teacher_list as $teacher) {
$teacher_id_list[] = $teacher['user_id'];
}
$list_info = array();
// Simple exercises
if (empty($hotpotatoe_where)) {
$column = !empty($column) ? Database::escape_string($column) : null;
$from = intval($from);
$number_of_items = intval($number_of_items);
if (!empty($column)) {
$sql .= " ORDER BY $column $direction ";
}
$sql .= " LIMIT $from, $number_of_items";
$results = array();
$resx = Database::query($sql);
while ($rowx = Database::fetch_array($resx, 'ASSOC')) {
$results[] = $rowx;
}
$group_list = GroupManager::get_group_list();
$clean_group_list = array();
if (!empty($group_list)) {
foreach ($group_list as $group) {
$clean_group_list[$group['id']] = $group['name'];
}
}
$lp_list_obj = new LearnpathList(api_get_user_id());
$lp_list = $lp_list_obj->get_flat_list();
if (is_array($results)) {
$users_array_id = array();
$from_gradebook = false;
if (isset($_GET['gradebook']) && $_GET['gradebook'] == 'view') {
$from_gradebook = true;
}
$sizeof = count($results);
$user_list_id = array();
$locked = api_resource_is_locked_by_gradebook(
$exercise_id,
LINK_EXERCISE
);
// Looping results
for ($i = 0; $i < $sizeof; $i++) {
$revised = $results[$i]['revised'];
if ($from_gradebook && ($is_allowedToEdit)) {
if (in_array(
$results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'],
$users_array_id
)) {
continue;
}
$users_array_id[] = $results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'];
}
$lp_obj = isset($results[$i]['orig_lp_id']) && isset($lp_list[$results[$i]['orig_lp_id']]) ? $lp_list[$results[$i]['orig_lp_id']] : null;
$lp_name = null;
if ($lp_obj) {
$url = api_get_path(
WEB_CODE_PATH
) . 'newscorm/lp_controller.php?' . api_get_cidreq(
) . '&action=view&lp_id=' . $results[$i]['orig_lp_id'];
$lp_name = Display::url(
$lp_obj['lp_name'],
$url,
array('target' => '_blank')
);
}
//Add all groups by user
$group_name_list = null;
if ($is_empty_sql_inner_join_tbl_user) {
$group_list = GroupManager::get_group_ids(
api_get_course_int_id(),
$results[$i]['user_id']
);
foreach ($group_list as $id) {
$group_name_list .= $clean_group_list[$id] . '<br/>';
}
$results[$i]['group_name'] = $group_name_list;
}
$results[$i]['exe_duration'] = !empty($results[$i]['exe_duration']) ? round(
$results[$i]['exe_duration'] / 60
) : 0;
$user_list_id[] = $results[$i]['exe_user_id'];
$id = $results[$i]['exe_id'];
$dt = api_convert_and_format_date(
$results[$i]['exe_weighting']
);
// we filter the results if we have the permission to
if (isset($results[$i]['results_disabled'])) {
$result_disabled = intval(
$results[$i]['results_disabled']
);
} else {
$result_disabled = 0;
}
if ($result_disabled == 0) {
$my_res = $results[$i]['exe_result'];
$my_total = $results[$i]['exe_weighting'];
$results[$i]['start_date'] = api_get_local_time(
$results[$i]['start_date']
);
$results[$i]['exe_date'] = api_get_local_time(
$results[$i]['exe_date']
);
if (!$results[$i]['propagate_neg'] && $my_res < 0) {
$my_res = 0;
}
$score = self::show_score($my_res, $my_total);
$actions = '';
if ($is_allowedToEdit) {
if (isset($teacher_id_list)) {
if (in_array(
$results[$i]['exe_user_id'],
$teacher_id_list
)) {
$actions .= Display::return_icon(
'teachers.gif',
get_lang('Teacher')
);
}
}
if ($revised) {
$actions .= "<a href='exercise_show.php?" . api_get_cidreq(
) . "&action=edit&id=$id'>" .
Display:: return_icon(
'edit.png',
get_lang('Edit'),
array(),
ICON_SIZE_SMALL
);
$actions .= '&nbsp;';
} else {
$actions .= "<a href='exercise_show.php?" . api_get_cidreq(
) . "&action=qualify&id=$id'>" .
Display:: return_icon(
'quiz.gif',
get_lang('Qualify')
);
$actions .= '&nbsp;';
}
$actions .= "</a>";
if ($filter == 2) {
$actions .= ' <a href="exercise_history.php?' . api_get_cidreq(
) . '&exe_id=' . $id . '">' .
Display:: return_icon(
'history.gif',
get_lang('ViewHistoryChange')
) . '</a>';
}
//Admin can always delete the attempt
if (($locked == false || api_is_platform_admin(
)) && !api_is_student_boss()
) {
$ip = TrackingUserLog::get_ip_from_user_event(
$results[$i]['exe_user_id'],
date('Y-m-d h:i:s'),
false
);
$actions .= '<a href="http://www.whatsmyip.org/ip-geo-location/?ip=' . $ip . '" target="_blank"><img src="' . api_get_path(
WEB_CODE_PATH
) . 'img/icons/22/info.png" title="' . $ip . '" /></a>';
$delete_link = '<a href="exercise_report.php?' . api_get_cidreq(
) . '&filter_by_user=' . intval(
$_GET['filter_by_user']
) . '&filter=' . $filter . '&exerciseId=' . $exercise_id . '&delete=delete&did=' . $id . '"
onclick="javascript:if(!confirm(\'' . sprintf(
get_lang('DeleteAttempt'),
$results[$i]['username'],
$dt
) . '\')) return false;">' . Display:: return_icon(
'delete.png',
get_lang('Delete')
) . '</a>';
$delete_link = utf8_encode($delete_link);
if (api_is_drh() && !api_is_platform_admin()) {
$delete_link = null;
}
$actions .= $delete_link . '&nbsp;';
}
} else {
$attempt_url = api_get_path(
WEB_CODE_PATH
) . 'exercice/result.php?' . api_get_cidreq(
) . '&id=' . $results[$i]['exe_id'] . '&id_session=' . $sessionId;
$attempt_link = Display::url(
get_lang('Show'),
$attempt_url,
[
'class' => 'ajax btn btn-default',
'data-title' => get_lang('Show')
]
);
$actions .= $attempt_link;
}
if ($revised) {
$revised = Display::label(
get_lang('Validated'),
'success'
);
} else {
$revised = Display::label(
get_lang('NotValidated'),
'info'
);
}
if ($is_allowedToEdit) {
$results[$i]['status'] = $revised;
$results[$i]['score'] = $score;
$results[$i]['lp'] = $lp_name;
$results[$i]['actions'] = $actions;
$list_info[] = $results[$i];
} else {
$results[$i]['status'] = $revised;
$results[$i]['score'] = $score;
$results[$i]['actions'] = $actions;
$list_info[] = $results[$i];
}
}
}
}
} else {
$hpresults = StatsUtils::getManyResultsXCol($hpsql, 6);
// Print HotPotatoes test results.
if (is_array($hpresults)) {
for ($i = 0; $i < sizeof($hpresults); $i++) {
$hp_title = GetQuizName($hpresults[$i][3], $documentPath);
if ($hp_title == '') {
$hp_title = basename($hpresults[$i][3]);
}
$hp_date = api_get_local_time(
$hpresults[$i][6],
null,
date_default_timezone_get()
);
$hp_result = round(
($hpresults[$i][4] / ($hpresults[$i][5] != 0 ? $hpresults[$i][5] : 1)) * 100,
2
) . '% (' . $hpresults[$i][4] . ' / ' . $hpresults[$i][5] . ')';
if ($is_allowedToEdit) {
$list_info[] = array(
$hpresults[$i][0],
$hpresults[$i][1],
$hpresults[$i][2],
'',
$hp_title,
'-',
$hp_date,
$hp_result,
'-'
);
} else {
$list_info[] = array(
$hp_title,
'-',
$hp_date,
$hp_result,
'-'
);
}
}
}
}
return $list_info;
}
/**
* Converts the score with the exercise_max_note and exercise_min_score
* the platform settings + formats the results using the float_format function
*
* @param float $score
* @param float $weight
* @param bool $show_percentage show percentage or not
* @param bool $use_platform_settings use or not the platform settings
* @param bool $show_only_percentage
* @return string an html with the score modified
*/
public static function show_score(
$score,
$weight,
$show_percentage = true,
$use_platform_settings = true,
$show_only_percentage = false
) {
if (is_null($score) && is_null($weight)) {
return '-';
}
$max_note = api_get_setting('exercise_max_score');
$min_note = api_get_setting('exercise_min_score');
if ($use_platform_settings) {
if ($max_note != '' && $min_note != '') {
if (!empty($weight) && intval($weight) != 0) {
$score = $min_note + ($max_note - $min_note) * $score / $weight;
} else {
$score = $min_note;
}
$weight = $max_note;
}
}
$percentage = (100 * $score) / ($weight != 0 ? $weight : 1);
// Formats values
$percentage = float_format($percentage, 1);
$score = float_format($score, 1);
$weight = float_format($weight, 1);
$html = null;
if ($show_percentage) {
$parent = '(' . $score . ' / ' . $weight . ')';
$html = $percentage . "% $parent";
if ($show_only_percentage) {
$html = $percentage . "% ";
}
} else {
$html = $score . ' / ' . $weight;
}
$html = Display::span($html, array('class' => 'score_exercise'));
return $html;
}
/**
* @param float $score
* @param float $weight
* @param string $pass_percentage
* @return bool
*/
public static function is_success_exercise_result($score, $weight, $pass_percentage)
{
$percentage = float_format(
($score / ($weight != 0 ? $weight : 1)) * 100,
1
);
if (isset($pass_percentage) && !empty($pass_percentage)) {
if ($percentage >= $pass_percentage) {
return true;
}
}
return false;
}
/**
* @param float $score
* @param float $weight
* @param string $pass_percentage
* @return string
*/
public static function show_success_message($score, $weight, $pass_percentage)
{
$res = "";
if (self::is_pass_pourcentage_enabled($pass_percentage)) {
$is_success = self::is_success_exercise_result(
$score,
$weight,
$pass_percentage
);
if ($is_success) {
$html = get_lang('CongratulationsYouPassedTheTest');
$icon = Display::return_icon(
'completed.png',
get_lang('Correct'),
array(),
ICON_SIZE_MEDIUM
);
} else {
//$html .= Display::return_message(get_lang('YouDidNotReachTheMinimumScore'), 'warning');
$html = get_lang('YouDidNotReachTheMinimumScore');
$icon = Display::return_icon(
'warning.png',
get_lang('Wrong'),
array(),
ICON_SIZE_MEDIUM
);
}
$html = Display::tag('h4', $html);
$html .= Display::tag(
'h5',
$icon,
array('style' => 'width:40px; padding:2px 10px 0px 0px')
);
$res = $html;
}
return $res;
}
/**
* Return true if pass_pourcentage activated (we use the pass pourcentage feature
* return false if pass_percentage = 0 (we don't use the pass pourcentage feature
* @param $in_pass_pourcentage
* @return boolean
* In this version, pass_percentage and show_success_message are disabled if
* pass_percentage is set to 0
*/
public static function is_pass_pourcentage_enabled($in_pass_pourcentage)
{
return $in_pass_pourcentage > 0;
}
/**
* Converts a numeric value in a percentage example 0.66666 to 66.67 %
* @param $value
* @return float Converted number
*/
public static function convert_to_percentage($value)
{
$return = '-';
if ($value != '') {
$return = float_format($value * 100, 1) . ' %';
}
return $return;
}
/**
* Converts a score/weight values to the platform scale
* @param float $score
* @param float $weight
* @deprecated seem not to be used
* @return float the score rounded converted to the new range
*/
public static function convert_score($score, $weight)
{
$max_note = api_get_setting('exercise_max_score');
$min_note = api_get_setting('exercise_min_score');
if ($score != '' && $weight != '') {
if ($max_note != '' && $min_note != '') {
if (!empty($weight)) {
$score = $min_note + ($max_note - $min_note) * $score / $weight;
} else {
$score = $min_note;
}
}
}
$score_rounded = float_format($score, 1);
return $score_rounded;
}
/**
* Getting all active exercises from a course from a session
* (if a session_id is provided we will show all the exercises in the course +
* all exercises in the session)
* @param array $course_info
* @param int $session_id
* @param boolean $check_publication_dates
* @param string $search Search exercise name
* @param boolean $search_all_sessions Search exercises in all sessions
* @param int 0 = only inactive exercises
* 1 = only active exercises,
* 2 = all exercises
* 3 = active <> -1
* @return array array with exercise data
*/
public static function get_all_exercises(
$course_info = null,
$session_id = 0,
$check_publication_dates = false,
$search = '',
$search_all_sessions = false,
$active = 2
) {
$course_id = api_get_course_int_id();
if (!empty($course_info) && !empty($course_info['real_id'])) {
$course_id = $course_info['real_id'];
}
if ($session_id == -1) {
$session_id = 0;
}
$now = api_get_utc_datetime();
$time_conditions = '';
if ($check_publication_dates) {
//start and end are set
$time_conditions = " AND ((start_time <> '0000-00-00 00:00:00' AND start_time < '$now' AND end_time <> '0000-00-00 00:00:00' AND end_time > '$now' ) OR ";
// only start is set
$time_conditions .= " (start_time <> '0000-00-00 00:00:00' AND start_time < '$now' AND end_time = '0000-00-00 00:00:00') OR ";
// only end is set
$time_conditions .= " (start_time = '0000-00-00 00:00:00' AND end_time <> '0000-00-00 00:00:00' AND end_time > '$now') OR ";
// nothing is set
$time_conditions .= " (start_time = '0000-00-00 00:00:00' AND end_time = '0000-00-00 00:00:00')) ";
}
$needle_where = !empty($search) ? " AND title LIKE '?' " : '';
$needle = !empty($search) ? "%" . $search . "%" : '';
// Show courses by active status
$active_sql = '';
if ($active == 3) {
$active_sql = ' active <> -1 AND';
} else {
if ($active != 2) {
$active_sql = sprintf(' active = %d AND', $active);
}
}
if ($search_all_sessions == true) {
$conditions = array(
'where' => array(
$active_sql . ' c_id = ? ' . $needle_where . $time_conditions => array(
$course_id,
$needle
)
),
'order' => 'title'
);
} else {
if ($session_id == 0) {
$conditions = array(
'where' => array(
$active_sql . ' session_id = ? AND c_id = ? ' . $needle_where . $time_conditions => array(
$session_id,
$course_id,
$needle
)
),
'order' => 'title'
);
} else {
$conditions = array(
'where' => array(
$active_sql . ' (session_id = 0 OR session_id = ? ) AND c_id = ? ' . $needle_where . $time_conditions => array(
$session_id,
$course_id,
$needle
)
),
'order' => 'title'
);
}
}
$table = Database:: get_course_table(TABLE_QUIZ_TEST);
return Database::select('*', $table, $conditions);
}
/**
* Get exercise information by id
* @param int $exerciseId Exercise Id
* @param int $courseId The course ID (necessary as c_quiz.id is not unique)
* @return array Exercise info
*/
public static function get_exercise_by_id($exerciseId = 0, $courseId = null)
{
$TBL_EXERCICES = Database:: get_course_table(TABLE_QUIZ_TEST);
if (empty($courseId)) {
$courseId = api_get_course_int_id();
} else {
$courseId = intval($courseId);
}
$conditions = array(
'where' => array(
'id = ?' => array($exerciseId),
' AND c_id = ? ' => $courseId
)
);
return Database::select('*', $TBL_EXERCICES, $conditions);
}
/**
* Getting all exercises (active only or all)
* from a course from a session
* (if a session_id is provided we will show all the exercises in the
* course + all exercises in the session)
* @param array course data
* @param int session id
* @param int course c_id
* @param boolean $only_active_exercises
* @return array array with exercise data
* modified by Hubert Borderiou
*/
public static function get_all_exercises_for_course_id(
$course_info = null,
$session_id = 0,
$course_id = 0,
$only_active_exercises = true
) {
$TBL_EXERCISES = Database:: get_course_table(TABLE_QUIZ_TEST);
if ($only_active_exercises) {
// Only active exercises.
$sql_active_exercises = "active = 1 AND ";
} else {
// Not only active means visible and invisible NOT deleted (-2)
$sql_active_exercises = "active IN (1, 0) AND ";
}
if ($session_id == -1) {
$session_id = 0;
}
$params = array(
$session_id,
$course_id
);
if ($session_id == 0) {
$conditions = array(
'where' => array("$sql_active_exercises session_id = ? AND c_id = ?" => $params),
'order' => 'title'
);
} else {
// All exercises
$conditions = array(
'where' => array("$sql_active_exercises (session_id = 0 OR session_id = ? ) AND c_id=?" => $params),
'order' => 'title'
);
}
return Database::select('*', $TBL_EXERCISES, $conditions);
}
/**
* Gets the position of the score based in a given score (result/weight)
* and the exe_id based in the user list
* (NO Exercises in LPs )
* @param float $my_score user score to be compared *attention*
* $my_score = score/weight and not just the score
* @param int $my_exe_id exe id of the exercise
* (this is necessary because if 2 students have the same score the one
* with the minor exe_id will have a best position, just to be fair and FIFO)
* @param int $exercise_id
* @param string $course_code
* @param int $session_id
* @param array $user_list
* @param bool $return_string
*
* @return int the position of the user between his friends in a course
* (or course within a session)
*/
public static function get_exercise_result_ranking(
$my_score,
$my_exe_id,
$exercise_id,
$course_code,
$session_id = 0,
$user_list = array(),
$return_string = true
) {
//No score given we return
if (is_null($my_score)) {
return '-';
}
if (empty($user_list)) {
return '-';
}
$best_attempts = array();
foreach ($user_list as $user_data) {
$user_id = $user_data['user_id'];
$best_attempts[$user_id] = self::get_best_attempt_by_user(
$user_id,
$exercise_id,
$course_code,
$session_id
);
}
if (empty($best_attempts)) {
return 1;
} else {
$position = 1;
$my_ranking = array();
foreach ($best_attempts as $user_id => $result) {
if (!empty($result['exe_weighting']) && intval(
$result['exe_weighting']
) != 0
) {
$my_ranking[$user_id] = $result['exe_result'] / $result['exe_weighting'];
} else {
$my_ranking[$user_id] = 0;
}
}
//if (!empty($my_ranking)) {
asort($my_ranking);
$position = count($my_ranking);
if (!empty($my_ranking)) {
foreach ($my_ranking as $user_id => $ranking) {
if ($my_score >= $ranking) {
if ($my_score == $ranking) {
$exe_id = $best_attempts[$user_id]['exe_id'];
if ($my_exe_id < $exe_id) {
$position--;
}
} else {
$position--;
}
}
}
}
//}
$return_value = array(
'position' => $position,
'count' => count($my_ranking)
);
if ($return_string) {
if (!empty($position) && !empty($my_ranking)) {
$return_value = $position . '/' . count($my_ranking);
} else {
$return_value = '-';
}
}
return $return_value;
}
}
/**
* Gets the position of the score based in a given score (result/weight) and the exe_id based in all attempts
* (NO Exercises in LPs ) old functionality by attempt
* @param float user score to be compared attention => score/weight
* @param int exe id of the exercise
* (this is necessary because if 2 students have the same score the one
* with the minor exe_id will have a best position, just to be fair and FIFO)
* @param int exercise id
* @param string course code
* @param int session id
* @return int the position of the user between his friends in a course (or course within a session)
*/
public static function get_exercise_result_ranking_by_attempt(
$my_score,
$my_exe_id,
$exercise_id,
$courseId,
$session_id = 0,
$return_string = true
) {
if (empty($session_id)) {
$session_id = 0;
}
if (is_null($my_score)) {
return '-';
}
$user_results = Event::get_all_exercise_results(
$exercise_id,
$courseId,
$session_id,
false
);
$position_data = array();
if (empty($user_results)) {
return 1;
} else {
$position = 1;
$my_ranking = array();
foreach ($user_results as $result) {
//print_r($result);
if (!empty($result['exe_weighting']) && intval(
$result['exe_weighting']
) != 0
) {
$my_ranking[$result['exe_id']] = $result['exe_result'] / $result['exe_weighting'];
} else {
$my_ranking[$result['exe_id']] = 0;
}
}
asort($my_ranking);
$position = count($my_ranking);
if (!empty($my_ranking)) {
foreach ($my_ranking as $exe_id => $ranking) {
if ($my_score >= $ranking) {
if ($my_score == $ranking) {
if ($my_exe_id < $exe_id) {
$position--;
}
} else {
$position--;
}
}
}
}
$return_value = array(
'position' => $position,
'count' => count($my_ranking)
);
if ($return_string) {
if (!empty($position) && !empty($my_ranking)) {
return $position . '/' . count($my_ranking);
}
}
return $return_value;
}
}
/**
* Get the best attempt in a exercise (NO Exercises in LPs )
* @param int $exercise_id
* @param int $courseId
* @param int $session_id
*
* @return array
*/
public static function get_best_attempt_in_course($exercise_id, $courseId, $session_id)
{
$user_results = Event::get_all_exercise_results(
$exercise_id,
$courseId,
$session_id,
false
);
$best_score_data = array();
$best_score = 0;
if (!empty($user_results)) {
foreach ($user_results as $result) {
if (!empty($result['exe_weighting']) &&
intval($result['exe_weighting']) != 0
) {
$score = $result['exe_result'] / $result['exe_weighting'];
if ($score >= $best_score) {
$best_score = $score;
$best_score_data = $result;
}
}
}
}
return $best_score_data;
}
/**
* Get the best score in a exercise (NO Exercises in LPs )
* @param int $user_id
* @param int $exercise_id
* @param int $courseId
* @param int $session_id
*
* @return array
*/
public static function get_best_attempt_by_user(
$user_id,
$exercise_id,
$courseId,
$session_id
) {
$user_results = Event::get_all_exercise_results(
$exercise_id,
$courseId,
$session_id,
false,
$user_id
);
$best_score_data = array();
$best_score = 0;
if (!empty($user_results)) {
foreach ($user_results as $result) {
if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
$score = $result['exe_result'] / $result['exe_weighting'];
if ($score >= $best_score) {
$best_score = $score;
$best_score_data = $result;
}
}
}
}
return $best_score_data;
}
/**
* Get average score (NO Exercises in LPs )
* @param int exercise id
* @param int $courseId
* @param int session id
* @return float Average score
*/
public static function get_average_score($exercise_id, $courseId, $session_id)
{
$user_results = Event::get_all_exercise_results(
$exercise_id,
$courseId,
$session_id
);
$avg_score = 0;
if (!empty($user_results)) {
foreach ($user_results as $result) {
if (!empty($result['exe_weighting']) && intval(
$result['exe_weighting']
) != 0
) {
$score = $result['exe_result'] / $result['exe_weighting'];
$avg_score += $score;
}
}
$avg_score = float_format($avg_score / count($user_results), 1);
}
return $avg_score;
}
/**
* Get average score by score (NO Exercises in LPs )
* @param int exercise id
* @param int $courseId
* @param int session id
* @return float Average score
*/
public static function get_average_score_by_course($courseId, $session_id)
{
$user_results = Event::get_all_exercise_results_by_course(
$courseId,
$session_id,
false
);
//echo $course_code.' - '.$session_id.'<br />';
$avg_score = 0;
if (!empty($user_results)) {
foreach ($user_results as $result) {
if (!empty($result['exe_weighting']) && intval(
$result['exe_weighting']
) != 0
) {
$score = $result['exe_result'] / $result['exe_weighting'];
$avg_score += $score;
}
}
//We asume that all exe_weighting
$avg_score = ($avg_score / count($user_results));
}
return $avg_score;
}
/**
* @param int $user_id
* @param int $courseId
* @param int $session_id
*
* @return float|int
*/
public static function get_average_score_by_course_by_user(
$user_id,
$courseId,
$session_id
) {
$user_results = Event::get_all_exercise_results_by_user(
$user_id,
$courseId,
$session_id
);
$avg_score = 0;
if (!empty($user_results)) {
foreach ($user_results as $result) {
if (!empty($result['exe_weighting']) && intval(
$result['exe_weighting']
) != 0
) {
$score = $result['exe_result'] / $result['exe_weighting'];
$avg_score += $score;
}
}
//We asume that all exe_weighting
//$avg_score = show_score( $avg_score / count($user_results) , $result['exe_weighting']);
$avg_score = ($avg_score / count($user_results));
}
return $avg_score;
}
/**
* Get average score by score (NO Exercises in LPs )
* @param int exercise id
* @param int $courseId
* @param int session id
* @return float Best average score
*/
public static function get_best_average_score_by_exercise(
$exercise_id,
$courseId,
$session_id,
$user_count
) {
$user_results = Event::get_best_exercise_results_by_user(
$exercise_id,
$courseId,
$session_id
);
$avg_score = 0;
if (!empty($user_results)) {
foreach ($user_results as $result) {
if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
$score = $result['exe_result'] / $result['exe_weighting'];
$avg_score += $score;
}
}
//We asume that all exe_weighting
//$avg_score = show_score( $avg_score / count($user_results) , $result['exe_weighting']);
//$avg_score = ($avg_score / count($user_results));
if (!empty($user_count)) {
$avg_score = float_format($avg_score / $user_count, 1) * 100;
} else {
$avg_score = 0;
}
}
return $avg_score;
}
/**
* @param string $course_code
* @param int $session_id
*
* @return array
*/
public static function get_exercises_to_be_taken($course_code, $session_id)
{
$course_info = api_get_course_info($course_code);
$exercises = self::get_all_exercises($course_info, $session_id);
$result = array();
$now = time() + 15 * 24 * 60 * 60;
foreach ($exercises as $exercise_item) {
if (isset($exercise_item['end_time']) &&
!empty($exercise_item['end_time']) &&
$exercise_item['end_time'] != '0000-00-00 00:00:00' &&
api_strtotime($exercise_item['end_time'], 'UTC') < $now
) {
$result[] = $exercise_item;
}
}
return $result;
}
/**
* Get student results (only in completed exercises) stats by question
* @param int $question_id
* @param int $exercise_id
* @param string $course_code
* @param int $session_id
*
**/
public static function get_student_stats_by_question(
$question_id,
$exercise_id,
$course_code,
$session_id
) {
$track_exercises = Database::get_main_table(
TABLE_STATISTIC_TRACK_E_EXERCISES
);
$track_attempt = Database::get_main_table(
TABLE_STATISTIC_TRACK_E_ATTEMPT
);
$question_id = intval($question_id);
$exercise_id = intval($exercise_id);
$course_code = Database::escape_string($course_code);
$session_id = intval($session_id);
$courseId = api_get_course_int_id($course_code);
$sql = "SELECT MAX(marks) as max, MIN(marks) as min, AVG(marks) as average
FROM $track_exercises e
INNER JOIN $track_attempt a
ON (
a.exe_id = e.exe_id AND
e.c_id = a.c_id AND
e.session_id = a.session_id
)
WHERE
exe_exo_id = $exercise_id AND
a.c_id = $courseId AND
e.session_id = $session_id AND
question_id = $question_id AND
status = ''
LIMIT 1";
$result = Database::query($sql);
$return = array();
if ($result) {
$return = Database::fetch_array($result, 'ASSOC');
}
return $return;
}
/**
* @param int $question_id
* @param int $exercise_id
* @param string $course_code
* @param int $session_id
* @param string $questionType
* @return int
*/
public static function get_number_students_question_with_answer_count(
$question_id,
$exercise_id,
$course_code,
$session_id,
$questionType = ''
) {
$track_exercises = Database::get_main_table(
TABLE_STATISTIC_TRACK_E_EXERCISES
);
$track_attempt = Database::get_main_table(
TABLE_STATISTIC_TRACK_E_ATTEMPT
);
$courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$courseTable = Database::get_main_table(TABLE_MAIN_COURSE);
$courseUserSession = Database::get_main_table(
TABLE_MAIN_SESSION_COURSE_USER
);
$question_id = intval($question_id);
$exercise_id = intval($exercise_id);
$courseId = api_get_course_int_id($course_code);
$session_id = intval($session_id);
if ($questionType == FILL_IN_BLANKS) {
$listStudentsId = array();
$listAllStudentInfo = CourseManager::get_student_list_from_course_code(
api_get_course_id(),
true
);
foreach ($listAllStudentInfo as $i => $listStudentInfo) {
$listStudentsId[] = $listStudentInfo['user_id'];
}
$listFillTheBlankResult = getFillTheBlankTabResult(
$exercise_id,
$question_id,
$listStudentsId,
'1970-01-01',
'3000-01-01'
);
return getNbResultFillBlankAll($listFillTheBlankResult);
}
if (empty($session_id)) {
$courseCondition = "
INNER JOIN $courseUser cu
ON cu.c_id = c.id AND cu.user_id = exe_user_id";
$courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
} else {
$courseCondition = "
INNER JOIN $courseUserSession cu
ON cu.c_id = c.id AND cu.user_id = exe_user_id";
$courseConditionWhere = " AND cu.status = 0 ";
}
$sql = "SELECT DISTINCT exe_user_id
FROM $track_exercises e
INNER JOIN $track_attempt a
ON (
a.exe_id = e.exe_id AND
e.c_id = a.c_id AND
e.session_id = a.session_id
)
INNER JOIN $courseTable c
ON (c.id = a.c_id)
$courseCondition
WHERE
exe_exo_id = $exercise_id AND
a.c_id = $courseId AND
e.session_id = $session_id AND
question_id = $question_id AND
answer <> '0' AND
e.status = ''
$courseConditionWhere
";
$result = Database::query($sql);
$return = 0;
if ($result) {
$return = Database::num_rows($result);
}
return $return;
}
/**
* @param int $answer_id
* @param int $question_id
* @param int $exercise_id
* @param string $course_code
* @param int $session_id
*
* @return int
*/
public static function get_number_students_answer_hotspot_count(
$answer_id,
$question_id,
$exercise_id,
$course_code,
$session_id
) {
$track_exercises = Database::get_main_table(
TABLE_STATISTIC_TRACK_E_EXERCISES
);
$track_hotspot = Database::get_main_table(
TABLE_STATISTIC_TRACK_E_HOTSPOT
);
$courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$courseTable = Database::get_main_table(TABLE_MAIN_COURSE);
$courseUserSession = Database::get_main_table(
TABLE_MAIN_SESSION_COURSE_USER
);
$question_id = intval($question_id);
$answer_id = intval($answer_id);
$exercise_id = intval($exercise_id);
$course_code = Database::escape_string($course_code);
$session_id = intval($session_id);
if (empty($session_id)) {
$courseCondition = "
INNER JOIN $courseUser cu
ON cu.c_id = c.id AND cu.user_id = exe_user_id";
$courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
} else {
$courseCondition = "
INNER JOIN $courseUserSession cu
ON cu.c_id = c.id AND cu.user_id = exe_user_id";
$courseConditionWhere = " AND cu.status = 0 ";
}
$sql = "SELECT DISTINCT exe_user_id
FROM $track_exercises e
INNER JOIN $track_hotspot a
ON (a.hotspot_exe_id = e.exe_id)
INNER JOIN $courseTable c
ON (hotspot_course_code = c.code)
$courseCondition
WHERE
exe_exo_id = $exercise_id AND
a.hotspot_course_code = '$course_code' AND
e.session_id = $session_id AND
hotspot_answer_id = $answer_id AND
hotspot_question_id = $question_id AND
hotspot_correct = 1 AND
e.status = ''
$courseConditionWhere
";
$result = Database::query($sql);
$return = 0;
if ($result) {
$return = Database::num_rows($result);
}
return $return;
}
/**
* @param int $answer_id
* @param int $question_id
* @param int $exercise_id
* @param string $course_code
* @param int $session_id
* @param string $question_type
* @param string $correct_answer
* @param string $current_answer
* @return int
*/
public static function get_number_students_answer_count(
$answer_id,
$question_id,
$exercise_id,
$course_code,
$session_id,
$question_type = null,
$correct_answer = null,
$current_answer = null
) {
$track_exercises = Database::get_main_table(
TABLE_STATISTIC_TRACK_E_EXERCISES
);
$track_attempt = Database::get_main_table(
TABLE_STATISTIC_TRACK_E_ATTEMPT
);
$courseTable = Database::get_main_table(TABLE_MAIN_COURSE);
$courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$courseUserSession = Database::get_main_table(
TABLE_MAIN_SESSION_COURSE_USER
);
$question_id = intval($question_id);
$answer_id = intval($answer_id);
$exercise_id = intval($exercise_id);
$courseId = api_get_course_int_id($course_code);
$course_code = Database::escape_string($course_code);
$session_id = intval($session_id);
switch ($question_type) {
case FILL_IN_BLANKS:
$answer_condition = "";
$select_condition = " e.exe_id, answer ";
break;
case MATCHING:
//no break
case MATCHING_DRAGGABLE:
//no break
default:
$answer_condition = " answer = $answer_id AND ";
$select_condition = " DISTINCT exe_user_id ";
}
if (empty($session_id)) {
$courseCondition = "
INNER JOIN $courseUser cu
ON cu.c_id = c.id AND cu.user_id = exe_user_id";
$courseConditionWhere = " AND relation_type <> 2 AND cu.status = " . STUDENT;
} else {
$courseCondition = "
INNER JOIN $courseUserSession cu
ON cu.c_id = a.c_id AND cu.user_id = exe_user_id";
$courseConditionWhere = " AND cu.status = 0 ";
}
$sql = "SELECT $select_condition
FROM $track_exercises e
INNER JOIN $track_attempt a
ON (
a.exe_id = e.exe_id AND
e.c_id = a.c_id AND
e.session_id = a.session_id
)
INNER JOIN $courseTable c
ON c.id = a.c_id
$courseCondition
WHERE
exe_exo_id = $exercise_id AND
a.c_id = $courseId AND
e.session_id = $session_id AND
$answer_condition
question_id = $question_id AND
e.status = ''
$courseConditionWhere
";
$result = Database::query($sql);
$return = 0;
if ($result) {
$good_answers = 0;
switch ($question_type) {
case FILL_IN_BLANKS:
while ($row = Database::fetch_array($result, 'ASSOC')) {
$fill_blank = self::check_fill_in_blanks(
$correct_answer,
$row['answer']
);
if (isset($fill_blank[$current_answer]) && $fill_blank[$current_answer] == 1) {
$good_answers++;
}
}
return $good_answers;
break;
case MATCHING:
//no break
case MATCHING_DRAGGABLE:
//no break
default:
$return = Database::num_rows($result);
}
}
return $return;
}
/**
* @param array $answer
* @param string $user_answer
* @return array
*/
public static function check_fill_in_blanks($answer, $user_answer)
{
// the question is encoded like this
// [A] B [C] D [E] F::10,10,10@1
// number 1 before the "@" means that is a switchable fill in blank question
// [A] B [C] D [E] F::10,10,10@ or [A] B [C] D [E] F::10,10,10
// means that is a normal fill blank question
// first we explode the "::"
$pre_array = explode('::', $answer);
// is switchable fill blank or not
$last = count($pre_array) - 1;
$is_set_switchable = explode('@', $pre_array[$last]);
$switchable_answer_set = false;
if (isset ($is_set_switchable[1]) && $is_set_switchable[1] == 1) {
$switchable_answer_set = true;
}
$answer = '';
for ($k = 0; $k < $last; $k++) {
$answer .= $pre_array[$k];
}
// splits weightings that are joined with a comma
$answerWeighting = explode(',', $is_set_switchable[0]);
// we save the answer because it will be modified
//$temp = $answer;
$temp = $answer;
$answer = '';
$j = 0;
//initialise answer tags
$user_tags = $correct_tags = $real_text = array();
// the loop will stop at the end of the text
while (1) {
// quits the loop if there are no more blanks (detect '[')
if (($pos = api_strpos($temp, '[')) === false) {
// adds the end of the text
$answer = $temp;
$real_text[] = $answer;
break; //no more "blanks", quit the loop
}
// adds the piece of text that is before the blank
//and ends with '[' into a general storage array
$real_text[] = api_substr($temp, 0, $pos + 1);
$answer .= api_substr($temp, 0, $pos + 1);
//take the string remaining (after the last "[" we found)
$temp = api_substr($temp, $pos + 1);
// quit the loop if there are no more blanks, and update $pos to the position of next ']'
if (($pos = api_strpos($temp, ']')) === false) {
// adds the end of the text
$answer .= $temp;
break;
}
$str = $user_answer;
preg_match_all('#\[([^[]*)\]#', $str, $arr);
$str = str_replace('\r\n', '', $str);
$choice = $arr[1];
$tmp = api_strrpos($choice[$j], ' / ');
$choice[$j] = api_substr($choice[$j], 0, $tmp);
$choice[$j] = trim($choice[$j]);
//Needed to let characters ' and " to work as part of an answer
$choice[$j] = stripslashes($choice[$j]);
$user_tags[] = api_strtolower($choice[$j]);
//put the contents of the [] answer tag into correct_tags[]
$correct_tags[] = api_strtolower(api_substr($temp, 0, $pos));
$j++;
$temp = api_substr($temp, $pos + 1);
}
$answer = '';
$real_correct_tags = $correct_tags;
$chosen_list = array();
$good_answer = array();
for ($i = 0; $i < count($real_correct_tags); $i++) {
if (!$switchable_answer_set) {
//needed to parse ' and " characters
$user_tags[$i] = stripslashes($user_tags[$i]);
if ($correct_tags[$i] == $user_tags[$i]) {
$good_answer[$correct_tags[$i]] = 1;
} elseif (!empty ($user_tags[$i])) {
$good_answer[$correct_tags[$i]] = 0;
} else {
$good_answer[$correct_tags[$i]] = 0;
}
} else {
// switchable fill in the blanks
if (in_array($user_tags[$i], $correct_tags)) {
$correct_tags = array_diff($correct_tags, $chosen_list);
$good_answer[$correct_tags[$i]] = 1;
} elseif (!empty ($user_tags[$i])) {
$good_answer[$correct_tags[$i]] = 0;
} else {
$good_answer[$correct_tags[$i]] = 0;
}
}
// adds the correct word, followed by ] to close the blank
$answer .= ' / <font color="green"><b>' . $real_correct_tags[$i] . '</b></font>]';
if (isset ($real_text[$i + 1])) {
$answer .= $real_text[$i + 1];
}
}
return $good_answer;
}
/**
* @param int $exercise_id
* @param string $course_code
* @param int $session_id
* @return int
*/
public static function get_number_students_finish_exercise(
$exercise_id,
$course_code,
$session_id
) {
$track_exercises = Database::get_main_table(
TABLE_STATISTIC_TRACK_E_EXERCISES
);
$track_attempt = Database::get_main_table(
TABLE_STATISTIC_TRACK_E_ATTEMPT
);
$exercise_id = intval($exercise_id);
$course_code = Database::escape_string($course_code);
$session_id = intval($session_id);
$sql = "SELECT DISTINCT exe_user_id
FROM $track_exercises e
INNER JOIN $track_attempt a ON (a.exe_id = e.exe_id)
WHERE
exe_exo_id = $exercise_id AND
course_code = '$course_code' AND
e.session_id = $session_id AND
status = ''";
$result = Database::query($sql);
$return = 0;
if ($result) {
$return = Database::num_rows($result);
}
return $return;
}
/**
* @param string $in_name is the name and the id of the <select>
* @param string $in_default default value for option
* @param string $in_onchange
* @return string the html code of the <select>
*/
public static function displayGroupMenu($in_name, $in_default, $in_onchange = "")
{
// check the default value of option
$tabSelected = array($in_default => " selected='selected' ");
$res = "";
$res .= "<select name='$in_name' id='$in_name' onchange='" . $in_onchange . "' >";
$res .= "<option value='-1'" . $tabSelected["-1"] . ">-- " . get_lang(
'AllGroups'
) . " --</option>";
$res .= "<option value='0'" . $tabSelected["0"] . ">- " . get_lang(
'NotInAGroup'
) . " -</option>";
$tabGroups = GroupManager::get_group_list();
$currentCatId = 0;
for ($i = 0; $i < count($tabGroups); $i++) {
$tabCategory = GroupManager::get_category_from_group(
$tabGroups[$i]["id"]
);
if ($tabCategory["id"] != $currentCatId) {
$res .= "<option value='-1' disabled='disabled'>" . $tabCategory["title"] . "</option>";
$currentCatId = $tabCategory["id"];
}
$res .= "<option " . $tabSelected[$tabGroups[$i]["id"]] . "style='margin-left:40px' value='" . $tabGroups[$i]["id"] . "'>" . $tabGroups[$i]["name"] . "</option>";
}
$res .= "</select>";
return $res;
}
/**
* @param int $exe_id
*/
public static function create_chat_exercise_session($exe_id)
{
if (!isset($_SESSION['current_exercises'])) {
$_SESSION['current_exercises'] = array();
}
$_SESSION['current_exercises'][$exe_id] = true;
}
/**
* @param int $exe_id
*/
public static function delete_chat_exercise_session($exe_id)
{
if (isset($_SESSION['current_exercises'])) {
$_SESSION['current_exercises'][$exe_id] = false;
}
}
/**
* Display the exercise results
* @param Exercise $objExercise
* @param int $exe_id
* @param bool $save_user_result save users results (true) or just show the results (false)
*/
public static function display_question_list_by_attempt(
$objExercise,
$exe_id,
$save_user_result = false
) {
global $origin;
// Getting attempt info
$exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id(
$exe_id
);
// Getting question list
$question_list = array();
if (!empty($exercise_stat_info['data_tracking'])) {
$question_list = explode(',', $exercise_stat_info['data_tracking']);
} else {
// Try getting the question list only if save result is off
if ($save_user_result == false) {
$question_list = $objExercise->get_validated_question_list();
}
}
$counter = 1;
$total_score = $total_weight = 0;
$exercise_content = null;
// Hide results
$show_results = false;
$show_only_score = false;
if ($objExercise->results_disabled == RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS) {
$show_results = true;
}
if (in_array(
$objExercise->results_disabled,
array(
RESULT_DISABLE_SHOW_SCORE_ONLY,
RESULT_DISABLE_SHOW_FINAL_SCORE_ONLY_WITH_CATEGORIES
)
)
) {
$show_only_score = true;
}
// Not display expected answer, but score, and feedback
$show_all_but_expected_answer = false;
if ($objExercise->results_disabled == RESULT_DISABLE_SHOW_SCORE_ONLY &&
$objExercise->feedback_type == EXERCISE_FEEDBACK_TYPE_END
) {
$show_all_but_expected_answer = true;
$show_results = true;
$show_only_score = false;
}
if ($show_results || $show_only_score) {
$user_info = api_get_user_info($exercise_stat_info['exe_user_id']);
//Shows exercise header
echo $objExercise->show_exercise_result_header(
$user_info,
api_convert_and_format_date(
$exercise_stat_info['start_date'],
DATE_TIME_FORMAT_LONG
),
$exercise_stat_info['duration'],
$exercise_stat_info['user_ip']
);
}
// Display text when test is finished #4074 and for LP #4227
$end_of_message = $objExercise->selectTextWhenFinished();
if (!empty($end_of_message)) {
Display::display_normal_message($end_of_message, false);
echo "<div class='clear'>&nbsp;</div>";
}
$question_list_answers = array();
$media_list = array();
$category_list = array();
// Loop over all question to show results for each of them, one by one
if (!empty($question_list)) {
foreach ($question_list as $questionId) {
// creates a temporary Question object
$objQuestionTmp = Question::read($questionId);
// This variable came from exercise_submit_modal.php
ob_start();
// We're inside *one* question. Go through each possible answer for this question
$result = $objExercise->manage_answer(
$exercise_stat_info['exe_id'],
$questionId,
null,
'exercise_result',
array(),
$save_user_result,
true,
$show_results,
$objExercise->selectPropagateNeg(),
array()
);
if (empty($result)) {
continue;
}
// In case of global score, make sure the calculated total score is integer
/*if (!is_int($result['score'])) {
$result['score'] = round($result['score']);
}*/
$total_score += $result['score'];
$total_weight += $result['weight'];
$question_list_answers[] = array(
'question' => $result['open_question'],
'answer' => $result['open_answer'],
'answer_type' => $result['answer_type']
);
$my_total_score = $result['score'];
$my_total_weight = $result['weight'];
// Category report
$category_was_added_for_this_test = false;
if (isset($objQuestionTmp->category) && !empty($objQuestionTmp->category)) {
if (!isset($category_list[$objQuestionTmp->category]['score'])) {
$category_list[$objQuestionTmp->category]['score'] = 0;
}
if (!isset($category_list[$objQuestionTmp->category]['total'])) {
$category_list[$objQuestionTmp->category]['total'] = 0;
}
$category_list[$objQuestionTmp->category]['score'] += $my_total_score;
$category_list[$objQuestionTmp->category]['total'] += $my_total_weight;
$category_was_added_for_this_test = true;
}
if (isset($objQuestionTmp->category_list) && !empty($objQuestionTmp->category_list)) {
foreach ($objQuestionTmp->category_list as $category_id) {
$category_list[$category_id]['score'] += $my_total_score;
$category_list[$category_id]['total'] += $my_total_weight;
$category_was_added_for_this_test = true;
}
}
// No category for this question!
if ($category_was_added_for_this_test == false) {
if (!isset($category_list['none']['score'])) {
$category_list['none']['score'] = 0;
}
if (!isset($category_list['none']['total'])) {
$category_list['none']['total'] = 0;
}
$category_list['none']['score'] += $my_total_score;
$category_list['none']['total'] += $my_total_weight;
}
if ($objExercise->selectPropagateNeg(
) == 0 && $my_total_score < 0
) {
$my_total_score = 0;
}
$comnt = null;
if ($show_results) {
$comnt = Event::get_comments($exe_id, $questionId);
if (!empty($comnt)) {
echo '<b>' . get_lang('Feedback') . '</b>';
echo '<div id="question_feedback">' . $comnt . '</div>';
}
}
if ($show_results) {
$score = array(
'result' => get_lang('Score') . " : " . self::show_score(
$my_total_score,
$my_total_weight,
false,
true
),
'pass' => $my_total_score >= $my_total_weight ? true : false,
'score' => $my_total_score,
'weight' => $my_total_weight,
'comments' => $comnt,
);
} else {
$score = array();
}
$contents = ob_get_clean();
$question_content = '';
if ($show_results) {
$question_content = '<div class="question_row_answer">';
$show_media = false;
/*if ($objQuestionTmp->parent_id != 0 && !in_array($objQuestionTmp->parent_id, $media_list)) {
$show_media = true;
$media_list[] = $objQuestionTmp->parent_id;
}*/
//Shows question title an description
$question_content .= $objQuestionTmp->return_header(
null,
$counter,
$score
);
}
$counter++;
$question_content .= $contents;
if ($show_results) {
$question_content .= '</div>';
}
$exercise_content .= $question_content;
} // end foreach() block that loops over all questions
}
$total_score_text = null;
if ($origin != 'learnpath') {
if ($show_results || $show_only_score) {
$total_score_text .= '<div class="question_row_score">';
$total_score_text .= self::get_question_ribbon(
$objExercise,
$total_score,
$total_weight,
true
);
$total_score_text .= '</div>';
}
}
if (!empty($category_list) && ($show_results || $show_only_score)) {
//Adding total
$category_list['total'] = array(
'score' => $total_score,
'total' => $total_weight
);
echo TestCategory::get_stats_table_by_attempt(
$objExercise->id,
$category_list
);
}
if ($show_all_but_expected_answer) {
$exercise_content .= "<div class='normal-message'>" . get_lang(
"ExerciseWithFeedbackWithoutCorrectionComment"
) . "</div>";
}
// Remove audio auto play from questions on results page - refs BT#7939
$exercise_content = preg_replace(
['/autoplay[\=\".+\"]+/','/autostart[\=\".+\"]+/'],
'',
$exercise_content
);
echo $total_score_text;
echo $exercise_content;
if (!$show_only_score) {
echo $total_score_text;
}
if ($save_user_result) {
// Tracking of results
$learnpath_id = $exercise_stat_info['orig_lp_id'];
$learnpath_item_id = $exercise_stat_info['orig_lp_item_id'];
$learnpath_item_view_id = $exercise_stat_info['orig_lp_item_view_id'];
if (api_is_allowed_to_session_edit()) {
Event::update_event_exercice(
$exercise_stat_info['exe_id'],
$objExercise->selectId(),
$total_score,
$total_weight,
api_get_session_id(),
$learnpath_id,
$learnpath_item_id,
$learnpath_item_view_id,
$exercise_stat_info['exe_duration'],
$question_list,
'',
array()
);
}
// Send notification ..
if (!api_is_allowed_to_edit(null, true) && !api_is_excluded_user_type()
) {
if (api_get_course_setting(
'email_alert_manager_on_new_quiz'
) == 1
) {
$objExercise->send_mail_notification_for_exam(
$question_list_answers,
$origin,
$exe_id
);
}
$objExercise->send_notification_for_open_questions(
$question_list_answers,
$origin,
$exe_id
);
$objExercise->send_notification_for_oral_questions(
$question_list_answers,
$origin,
$exe_id
);
}
}
}
/**
* @param Exercise $objExercise
* @param float $score
* @param float $weight
* @param bool $check_pass_percentage
* @return string
*/
public static function get_question_ribbon(
$objExercise,
$score,
$weight,
$check_pass_percentage = false
) {
$ribbon = '<div class="title-score">';
if ($check_pass_percentage) {
$is_success = self::is_success_exercise_result(
$score,
$weight,
$objExercise->selectPassPercentage()
);
// Color the final test score if pass_percentage activated
$ribbon_total_success_or_error = "";
if (self::is_pass_pourcentage_enabled(
$objExercise->selectPassPercentage()
)) {
if ($is_success) {
$ribbon_total_success_or_error = ' ribbon-total-success';
} else {
$ribbon_total_success_or_error = ' ribbon-total-error';
}
}
$ribbon .= '<div class="total ' . $ribbon_total_success_or_error . '">';
} else {
$ribbon .= '<div class="total">';
}
$ribbon .= '<h3>' . get_lang('YourTotalScore') . ":&nbsp;";
$ribbon .= self::show_score($score, $weight, false, true);
$ribbon .= '</h3>';
$ribbon .= '</div>';
if ($check_pass_percentage) {
$ribbon .= self::show_success_message(
$score,
$weight,
$objExercise->selectPassPercentage()
);
}
$ribbon .= '</div>';
return $ribbon;
}
/**
* @param int $countLetter
* @return mixed
*/
public static function detectInputAppropriateClass($countLetter)
{
$limits = array(
0 => 'input-mini',
10 => 'input-mini',
15 => 'input-medium',
20 => 'input-xlarge',
40 => 'input-xlarge',
60 => 'input-xxlarge',
100 => 'input-xxlarge',
200 => 'input-xxlarge',
);
foreach ($limits as $size => $item) {
if ($countLetter <= $size) {
return $item;
}
}
return $limits[0];
}
}