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- <?php // $Id: exercice_submit.php 10204 2006-11-26 20:46:53Z pcool $
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004 Dokeos S.A.
- Copyright (c) 2003 Ghent University (UGent)
- Copyright (c) 2001 Universite catholique de Louvain (UCL)
- Copyright (c) Olivier Brouckaert
- Copyright (c) Denes Nagy
- For a full list of contributors, see "credits.txt".
- The full license can be read in "license.txt".
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- See the GNU General Public License for more details.
- Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
- ==============================================================================
- */
- /**
- ==============================================================================
- EXERCISE SUBMISSION
- *
- * This script allows to run an exercise. According to the exercise type, questions
- * can be on an unique page, or one per page with a Next button.
- *
- * One exercise may contain different types of answers (unique or multiple selection,
- * matching and fill in blanks).
- *
- * Questions are selected randomly or not.
- *
- * When the user has answered all questions and clicks on the button "Ok",
- * it goes to exercise_result.php
- *
- * Notice : This script is also used to show a question before modifying it by
- * the administrator
- *
- * @author Olivier Brouckaert
- * @package dokeos.exercise
- ==============================================================================
- */
- include('exercise.class.php');
- include('question.class.php');
- include('answer.class.php');
- include('exercise.lib.php');
- // debug var. Set to 0 to hide all debug display. Set to 1 to display debug messages.
- $debug = 0;
- // answer types
- define('UNIQUE_ANSWER', 1);
- define('MULTIPLE_ANSWER', 2);
- define('FILL_IN_BLANKS', 3);
- define('MATCHING', 4);
- define('FREE_ANSWER', 5);
- define('HOT_SPOT', 6);
- define('HOT_SPOT_ORDER', 7);
- // name of the language file that needs to be included
- $language_file='exercice';
- include_once('../inc/global.inc.php');
- $this_section=SECTION_COURSES;
- include_once(api_get_path(LIBRARY_PATH).'text.lib.php');
- $is_allowedToEdit=$is_courseAdmin;
- $TBL_EXERCICE_QUESTION = $_course['dbNameGlu'].'quiz_rel_question';
- $TBL_EXERCICES = $_course['dbNameGlu'].'quiz';
- $TBL_QUESTIONS = $_course['dbNameGlu'].'quiz_question';
- $TBL_REPONSES = $_course['dbNameGlu'].'quiz_answer';
- // general parameters passed via POST/GET
- if ( empty ( $origin ) ) {
- $origin = $_REQUEST['origin'];
- }
- if ( empty ( $learnpath_id ) ) {
- $learnpath_id = mysql_real_escape_string($_REQUEST['learnpath_id']);
- }
- if ( empty ( $learnpath_item_id ) ) {
- $learnpath_item_id = mysql_real_escape_string($_REQUEST['learnpath_item_id']);
- }
- if ( empty ( $formSent ) ) {
- $formSent = $_REQUEST['formSent'];
- }
- if ( empty ( $exerciseResult ) ) {
- $exerciseResult = $_REQUEST['exerciseResult'];
- }
- if ( empty ( $exerciseResultCoordinates ) ) {
- $exerciseResultCoordinates = $_REQUEST['exerciseResultCoordinates'];
- }
- if ( empty ( $exerciseType ) ) {
- $exerciseType = $_REQUEST['exerciseType'];
- }
- if ( empty ( $exerciseId ) ) {
- $exerciseId = $_REQUEST['exerciseId'];
- }
- if ( empty ( $choice ) ) {
- $choice = $_REQUEST['choice'];
- }
- if ( empty ( $questionNum ) ) {
- $questionNum = mysql_real_escape_string($_REQUEST['questionNum']);
- }
- if ( empty ( $nbrQuestions ) ) {
- $nbrQuestions = mysql_real_escape_string($_REQUEST['nbrQuestions']);
- }
- if ( empty ($buttonCancel) ) {
- $buttonCancel = $_REQUEST['buttonCancel'];
- }
- // if the user has clicked on the "Cancel" button
- if($buttonCancel)
- {
- // returns to the exercise list
- header("Location: exercice.php?origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id");
- exit();
- }
- if ($origin=='builder') {
- /*******************************/
- /* Clears the exercise session */
- /*******************************/
- if(isset($_SESSION['objExercise'])) { api_session_unregister('objExercise'); unset($objExercise); }
- if(isset($_SESSION['objQuestion'])) { api_session_unregister('objQuestion'); unset($objQuestion); }
- if(isset($_SESSION['objAnswer'])) { api_session_unregister('objAnswer'); unset($objAnswer); }
- if(isset($_SESSION['questionList'])) { api_session_unregister('questionList'); unset($questionList); }
- if(isset($_SESSION['exerciseResult'])) { api_session_unregister('exerciseResult'); unset($exerciseResult); }
- if(isset($_SESSION['exerciseResultCoordinates'])) { api_session_unregister('exerciseResultCoordinates'); unset($exerciseResultCoordinates); }
- }
- // if the user has submitted the form
- if($formSent)
- {
- if($debug>0){echo str_repeat(' ',0).'$formSent was set'."<br />\n";}
- // initializing
- if(!is_array($exerciseResult))
- {
- $exerciseResult=array();
- $exerciseResultCoordinates=array();
- }
- // if the user has answered at least one question
- if(is_array($choice))
- {
- if($debug>0){echo str_repeat(' ',0).'$choice is an array'."<br />\n";}
- if($exerciseType == 1)
- {
- // $exerciseResult receives the content of the form.
- // Each choice of the student is stored into the array $choice
- $exerciseResult=$choice;
-
- if (isset($_POST['hotspot']))
- {
- $exerciseResultCoordinates = $_POST['hotspot'];
- }
- }
- else
- {
- // gets the question ID from $choice. It is the key of the array
- list($key)=array_keys($choice);
- // if the user didn't already answer this question
- if(!isset($exerciseResult[$key]))
- {
- // stores the user answer into the array
- $exerciseResult[$key]=$choice[$key];
-
- if (isset($_POST['hotspot']))
- {
- $exerciseResultCoordinates[$key] = $_POST['hotspot'][$key];
- }
- }
- }
- if($debug>0){echo str_repeat(' ',0).'$choice is an array - end'."<br />\n";}
- }
- // the script "exercise_result.php" will take the variable $exerciseResult from the session
- api_session_register('exerciseResult');
- api_session_register('exerciseResultCoordinates');
- // if it is the last question (only for a sequential exercise)
- if($exerciseType == 1 || $questionNum >= $nbrQuestions)
- {
- if($debug>0){echo str_repeat(' ',0).'Redirecting to exercise_result.php - Remove debug option to let this happen'."<br />\n";}
- // goes to the script that will show the result of the exercise
- header("Location: exercise_result.php?origin=$origin&learnpath_id=$learnpath_id&learnpath_item_id=$learnpath_item_id");
- exit();
- }
- if($debug>0){echo str_repeat(' ',0).'$formSent was set - end'."<br />\n";}
- }
- // if the object is not in the session
- if(!isset($_SESSION['objExercise']))
- {
- if($debug>0){echo str_repeat(' ',0).'$_SESSION[objExercise] was unset'."<br />\n";}
- // construction of Exercise
- $objExercise=new Exercise();
- #$sql="SELECT title,description,sound,type,random,active FROM `$TBL_EXERCICES` WHERE id='$exerciseId'";
- // if the specified exercise doesn't exist or is disabled
- if(!$objExercise->read($exerciseId) || (!$objExercise->selectStatus() && !$is_allowedToEdit && ($origin != 'learnpath') ))
- {
- die(get_lang('ExerciseNotFound'));
- }
- // saves the object into the session
- api_session_register('objExercise');
- if($debug>0){echo str_repeat(' ',0).'$_SESSION[objExercise] was unset - set now - end'."<br />\n";}
- }
- if(!is_object($objExercise))
- {
- header('Location: exercice.php');
- exit();
- }
- $exerciseTitle=$objExercise->selectTitle();
- $exerciseDescription=$objExercise->selectDescription();
- $exerciseSound=$objExercise->selectSound();
- $randomQuestions=$objExercise->isRandom();
- $exerciseType=$objExercise->selectType();
- if(!isset($_SESSION['questionList']))
- {
- if($debug>0){echo str_repeat(' ',0).'$_SESSION[questionList] was unset'."<br />\n";}
- // selects the list of question ID
- $questionList = ($randomQuestions?$objExercise->selectRandomList():$objExercise->selectQuestionList());
- // saves the question list into the session
- api_session_register('questionList');
- if($debug>0){echo str_repeat(' ',0).'$_SESSION[questionList] was unset - set now - end'."<br />\n";}
- }
- $nbrQuestions=sizeof($questionList);
- // if questionNum comes from POST and not from GET
- if(!$questionNum || $_POST['questionNum'])
- {
- // only used for sequential exercises (see $exerciseType)
- if(!$questionNum)
- {
- $questionNum=1;
- }
- else
- {
- $questionNum++;
- }
- }
- //$nameTools=get_lang('Exercice');
- $interbreadcrumb[]=array("url" => "exercice.php","name" => get_lang('Exercices'));
- if ($origin != 'learnpath') { //so we are not in learnpath tool
- $htmlHeadXtra[] = "<script type=\"text/javascript\" src=\"../plugin/hotspot/JavaScriptFlashGateway.js\"></script>
- <script src=\"../plugin/hotspot/hotspot.js\" type=\"text/javascript\"></script>
- <script language=\"JavaScript\" type=\"text/javascript\">
- <!--
- // -----------------------------------------------------------------------------
- // Globals
- // Major version of Flash required
- var requiredMajorVersion = 7;
- // Minor version of Flash required
- var requiredMinorVersion = 0;
- // Minor version of Flash required
- var requiredRevision = 0;
- // the version of javascript supported
- var jsVersion = 1.0;
- // -----------------------------------------------------------------------------
- // -->
- </script>
- <script language=\"VBScript\" type=\"text/vbscript\">
- <!-- // Visual basic helper required to detect Flash Player ActiveX control version information
- Function VBGetSwfVer(i)
- on error resume next
- Dim swControl, swVersion
- swVersion = 0
-
- set swControl = CreateObject(\"ShockwaveFlash.ShockwaveFlash.\" + CStr(i))
- if (IsObject(swControl)) then
- swVersion = swControl.GetVariable(\"\$version\")
- end if
- VBGetSwfVer = swVersion
- End Function
- // -->
- </script>
-
- <script language=\"JavaScript1.1\" type=\"text/javascript\">
- <!-- // Detect Client Browser type
- var isIE = (navigator.appVersion.indexOf(\"MSIE\") != -1) ? true : false;
- var isWin = (navigator.appVersion.toLowerCase().indexOf(\"win\") != -1) ? true : false;
- var isOpera = (navigator.userAgent.indexOf(\"Opera\") != -1) ? true : false;
- jsVersion = 1.1;
- // JavaScript helper required to detect Flash Player PlugIn version information
- function JSGetSwfVer(i){
- // NS/Opera version >= 3 check for Flash plugin in plugin array
- if (navigator.plugins != null && navigator.plugins.length > 0) {
- if (navigator.plugins[\"Shockwave Flash 2.0\"] || navigator.plugins[\"Shockwave Flash\"]) {
- var swVer2 = navigator.plugins[\"Shockwave Flash 2.0\"] ? \" 2.0\" : \"\";
- var flashDescription = navigator.plugins[\"Shockwave Flash\" + swVer2].description;
- descArray = flashDescription.split(\" \");
- tempArrayMajor = descArray[2].split(\".\");
- versionMajor = tempArrayMajor[0];
- versionMinor = tempArrayMajor[1];
- if ( descArray[3] != \"\" ) {
- tempArrayMinor = descArray[3].split(\"r\");
- } else {
- tempArrayMinor = descArray[4].split(\"r\");
- }
- versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
- flashVer = versionMajor + \".\" + versionMinor + \".\" + versionRevision;
- } else {
- flashVer = -1;
- }
- }
- // MSN/WebTV 2.6 supports Flash 4
- else if (navigator.userAgent.toLowerCase().indexOf(\"webtv/2.6\") != -1) flashVer = 4;
- // WebTV 2.5 supports Flash 3
- else if (navigator.userAgent.toLowerCase().indexOf(\"webtv/2.5\") != -1) flashVer = 3;
- // older WebTV supports Flash 2
- else if (navigator.userAgent.toLowerCase().indexOf(\"webtv\") != -1) flashVer = 2;
- // Can't detect in all other cases
- else {
-
- flashVer = -1;
- }
- return flashVer;
- }
- // When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
- function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
- {
- reqVer = parseFloat(reqMajorVer + \".\" + reqRevision);
- // loop backwards through the versions until we find the newest version
- for (i=25;i>0;i--) {
- if (isIE && isWin && !isOpera) {
- versionStr = VBGetSwfVer(i);
- } else {
- versionStr = JSGetSwfVer(i);
- }
- if (versionStr == -1 ) {
- return false;
- } else if (versionStr != 0) {
- if(isIE && isWin && !isOpera) {
- tempArray = versionStr.split(\" \");
- tempString = tempArray[1];
- versionArray = tempString .split(\",\");
- } else {
- versionArray = versionStr.split(\".\");
- }
- versionMajor = versionArray[0];
- versionMinor = versionArray[1];
- versionRevision = versionArray[2];
-
- versionString = versionMajor + \".\" + versionRevision; // 7.0r24 == 7.24
- versionNum = parseFloat(versionString);
- // is the major.revision >= requested major.revision AND the minor version >= requested minor
- if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
- return true;
- } else {
- return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );
- }
- }
- }
- }
- // -->
- </script>";
- Display::display_header($nameTools,"Exercise");
- }
- else
- {
- ?>
- <link rel="stylesheet" type="text/css" href="<?php echo api_get_path(WEB_CODE_PATH); ?>css/frames.css" />
- <?php
- }
- $exerciseTitle=api_parse_tex($exerciseTitle);
- echo "<h3>".$exerciseTitle."</h3>";
- if(!empty($exerciseSound))
- {
- echo "<a href=\"../document/download.php?doc_url=%2Faudio%2F".$exerciseSound."\" target=\"_blank\">",
- "<img src=\"../img/sound.gif\" border=\"0\" align=\"absmiddle\" alt=",get_lang('Sound')."\" /></a>";
- }
- /* <ERM> */
- // Get number of hotspot questions for javascript validation
- $number_of_hotspot_questions = 0;
- $onsubmit = '';
- $i=0;
- foreach($questionList as $questionId)
- {
- $i++;
- $objQuestionTmp=new Question();
- $objQuestionTmp->read($questionId);
-
- // for sequential exercises
- if($exerciseType == 2)
- {
- // if it is not the right question, goes to the next loop iteration
- if($questionNum != $i)
- {
- continue;
- }
- else
- {
- if ($objQuestionTmp->selectType() == HOT_SPOT)
- {
- $number_of_hotspot_questions++;
- }
- break;
- }
- }
- else
- {
- if ($objQuestionTmp->selectType() == HOT_SPOT)
- {
- $number_of_hotspot_questions++;
- }
- }
- }
- if($number_of_hotspot_questions > 0)
- {
- $onsubmit = "onsubmit=\"return validateFlashVar('".$number_of_hotspot_questions."', '".get_lang('HotspotValidateError1')."', '".get_lang('HotspotValidateError2')."')\"";
- }
- $s="
- <p>$exerciseDescription</p>
- <form method='post' action='".$_SERVER['PHP_SELF']."?autocomplete=off' name='frm_exercise' $onsubmit>
- <input type='hidden' name='formSent' value='1' />
- <input type='hidden' name='exerciseType' value='".$exerciseType."' />
- <input type='hidden' name='questionNum' value='".$questionNum."' />
- <input type='hidden' name='nbrQuestions' value='".$nbrQuestions."' />
- <input type='hidden' name='origin' value='".$origin."' />
- <input type='hidden' name='learnpath_id' value='".$learnpath_id."' />
- <input type='hidden' name='learnpath_item_id' value='".$learnpath_item_id."' />
- <table width='100%' border='0' cellpadding='1' cellspacing='0'>
- <tr>
- <td>
- <table width='100%' cellpadding='4' cellspacing='2' border='0'>";
- echo $s;
- /* </ERM> */
- if (isset($_POST['submit']))
- {
- echo "Form submited";
- }
- $i=0;
- foreach($questionList as $questionId)
- {
- $i++;
- // for sequential exercises
- if($exerciseType == 2)
- {
- // if it is not the right question, goes to the next loop iteration
- if($questionNum != $i)
- {
- continue;
- }
- else
- {
- // if the user has already answered this question
- if(isset($exerciseResult[$questionId]))
- {
- // construction of the Question object
- $objQuestionTmp=new Question();
- // reads question informations
- $objQuestionTmp->read($questionId);
- $questionName=$objQuestionTmp->selectTitle();
- // destruction of the Question object
- unset($objQuestionTmp);
- echo '<tr><td>'.get_lang('AlreadyAnswered').' "'.$questionName.'"</td></tr>';
- break;
- }
- }
- }
- $s="<tr bgcolor='#e6e6e6'>
- <td valign='top' colspan='2'>
- ".get_lang('Question')." ";
- $s.=$i;
- if($exerciseType == 2) $s.=' / '.$nbrQuestions;
- $s.='</td></tr>';
- echo $s;
- // shows the question and its answers
- showQuestion($questionId, false, $origin);
- // for sequential exercises
- if($exerciseType == 2)
- {
- // quits the loop
- break;
- }
- } // end foreach()
- $s="</table>
- </td>
- </tr>
- <tr>
- <td><br/>
- <!-- <input type='submit' name='buttonCancel' value=".get_lang('Cancel')." />
- //-->
- <input type='submit' name='submit' value='";
- if ($exerciseType == 1 || $nbrQuestions == $questionNum) {
- $s.=get_lang('Ok');
- }
- else
- {
- $s.=get_lang('Next').' >';
- }
- $s.='\'>';
- $s.="</td></tr></form></table>";
- $b=2;
- echo $s;
- if ($origin != 'learnpath') { //so we are not in learnpath tool
- Display::display_footer();
- } else {
- ?>
- <link rel="stylesheet" type="text/css" href="<?php echo $clarolineRepositoryWeb ?>css/frames.css" />
- <?php
- }
- ?>
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