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- <?php // $Id: exercise.lib.php 9665 2006-10-24 10:43:48Z elixir_inter $
- /*
- ==============================================================================
- 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
-
- 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 TOOL LIBRARY
- *
- * shows a question and its answers
- *
- * @returns 'number of answers' if question exists, otherwise false
- *
- * @author Olivier Brouckaert <oli.brouckaert@skynet.be>
- *
- * @param integer $questionId ID of the question to show
- * @param boolean $onlyAnswers set to true to show only answers
- * @package dokeos.exercise
- ==============================================================================
- */
- require("../inc/lib/fckeditor/fckeditor.php") ;
- function showQuestion($questionId, $onlyAnswers=false, $origin=false)
- {
- // construction of the Question object
- $objQuestionTmp=new Question();
- // reads question informations
- if(!$objQuestionTmp->read($questionId))
- {
- // question not found
- return false;
- }
- $answerType=$objQuestionTmp->selectType();
- $pictureName=$objQuestionTmp->selectPicture();
-
- if ($answerType != HOT_SPOT) // Question is not of type hotspot
- {
-
- if(!$onlyAnswers)
- {
- $questionName=$objQuestionTmp->selectTitle();
- $questionDescription=$objQuestionTmp->selectDescription();
-
- $s="<tr>
- <td valign='top' colspan='2'>";
- $questionName=api_parse_tex($questionName);
- $s.=$questionName;
- $s.="</td>
- </tr>
- <tr>
- <td valign='top' colspan='2'>
- <i>";
- $questionDescription=api_parse_tex($questionDescription);
- $s.=$questionDescription;
- $s.="</i>
- </td>
- </tr>";
-
- if(!empty($pictureName))
- {
- $s.="
- <tr>
- <td align='center' colspan='2'><img src='../document/download.php?doc_url=%2Fimages%2F'".$pictureName."' border='0'></td>
- </tr>";
- }
-
- } // end if(!$onlyAnswers)
- // construction of the Answer object
- $objAnswerTmp=new Answer($questionId);
-
- $nbrAnswers=$objAnswerTmp->selectNbrAnswers();
-
- // only used for the answer type "Matching"
- if($answerType == MATCHING)
- {
- $cpt1='A';
- $cpt2=1;
- $Select=array();
- }
- elseif($answerType == FREE_ANSWER)
- {
- #$comment = $objAnswerTmp->selectComment(1);
- //
- $upload_path = api_get_path(REL_COURSE_PATH).$_SESSION['_course']['path'].'/document/';
- $oFCKeditor = new FCKeditor("choice[".$questionId."]") ;
- $oFCKeditor->BasePath = api_get_path(WEB_LIBRARY_PATH)."fckeditor/";
- //$oFCKeditor->Config['CustomConfigurationsPath'] = api_get_path(WEB_PATH)."claroline/inc/lib/fckeditor_new/myconfig.js?".time(); //to clear cache we use time() but always clear history manually
- /*
- $oFCKeditor->Config['ImageBrowserURL'] = $oFCKeditor->BasePath . "editor/filemanager/browser/default/browser.html?Type=Image&Connector=connectors/php/connector.php&ServerPath=/$upload_path/";
-
- $oFCKeditor->Config['ImageUploadURL'] = $oFCKeditor->BasePath . "editor/filemanager/upload/php/upload.php?Type=Image&ServerPath=/$upload_path/" ;
-
- //for Link/File
- $oFCKeditor->Config['LinkBrowserURL'] = $oFCKeditor->BasePath . "editor/filemanager/browser/default/browser.html?Connector=connectors/php/connector.php&ServerPath=$upload_path";
-
- $oFCKeditor->Config['LinkUploadURL'] = $oFCKeditor->BasePath . "editor/filemanager/upload/php/upload.php?ServerPath=$upload_path" ;
-
- //for image
- $oFCKeditor->Config['ImageBrowserURL'] = $oFCKeditor->BasePath . "editor/filemanager/browser/default/browser.html?Type=Image&Connector=connectors/php/connector.php&ServerPath=$upload_path";
-
- $oFCKeditor->Config['ImageUploadURL'] = $oFCKeditor->BasePath . "editor/filemanager/upload/php/upload.php?Type=Image&ServerPath=$upload_path" ;
-
- //for flash
- $oFCKeditor->Config['FlashBrowserURL'] = $oFCKeditor->BasePath . "editor/filemanager/browser/default/browser.html?Type=Flash&Connector=connectors/php/connector.php&ServerPath=$upload_path";
-
- $oFCKeditor->Config['FlashUploadURL'] = $oFCKeditor->BasePath . "editor/filemanager/upload/php/upload.php?Type=Flash&ServerPath=$upload_path" ;
-
- //for MP3
- $oFCKeditor->Config['MP3BrowserURL'] = $oFCKeditor->BasePath . "editor/filemanager/browser/default/browser.html?Type=MP3&Connector=connectors/php/connector.php&ServerPath=$upload_path";
-
- $oFCKeditor->Config['MP3UploadURL'] = $oFCKeditor->BasePath . "editor/filemanager/upload/php/upload.php?Type=MP3&ServerPath=$upload_path" ;
-
- //for other media
- $oFCKeditor->Config['VideoBrowserURL'] = $oFCKeditor->BasePath . "editor/filemanager/browser/default/browser.html?Type=Video&Connector=connectors/php/connector.php&ServerPath=$upload_path";
-
- $oFCKeditor->Config['VideoUploadURL'] = $oFCKeditor->BasePath . "editor/filemanager/upload/php/upload.php?Type=Video&ServerPath=$upload_path" ;
-
- $oFCKeditor->ToolbarSet = 'Comment' ;*/
- $oFCKeditor->Width = '70%';
- $oFCKeditor->Height = '150';
- $oFCKeditor->Value = '' ;
- $s .= "<tr><td colspan='2'>".$oFCKeditor->CreateHtml()."</td></tr>";
- //$s.="<tr><td colspan='2'><textarea cols='80' rows='10' name='choice[".$questionId."]'>$answer</textarea></td></tr>";
-
- }
-
- for($answerId=1;$answerId <= $nbrAnswers;$answerId++)
- {
- $answer=$objAnswerTmp->selectAnswer($answerId);
- $answerCorrect=$objAnswerTmp->isCorrect($answerId);
-
- if($answerType == FILL_IN_BLANKS)
- {
- // splits text and weightings that are joined with the character '::'
- list($answer)=explode('::',$answer);
-
- // because [] is parsed here we follow this procedure:
- // 1. find everything between the [tex] and [/tex] tags
- $startlocations=strpos($answer,'[tex]');
- $endlocations=strpos($answer,'[/tex]');
-
- if($startlocations !== false && $endlocations !== false)
- {
- $texstring=substr($answer,$startlocations,$endlocations-$startlocations+6);
- // 2. replace this by {texcode}
- $answer=str_replace($texstring,'{texcode}',$answer);
- }
-
- // 3. do the normal matching parsing
-
- // replaces [blank] by an input field
- $answer=ereg_replace('\[[^]]+\]','<input type="text" name="choice['.$questionId.'][]" size="10">',nl2br($answer));
- // 4. replace the {texcode by the api_pare_tex parsed code}
- $texstring = api_parse_tex($texstring);
- $answer=str_replace("{texcode}",$texstring,$answer);
- }
-
- // unique answer
- if($answerType == UNIQUE_ANSWER)
- {
- $s.="
- <tr>
- <td width='5%' align='center'>
- <input class='checkbox' type='radio' name='choice[".$questionId."]' value='".$answerId."'>
- </td>
- <td width='95%'>";
- $answer=api_parse_tex($answer);
- $s.=$answer;
- $s.="</td></tr>";
-
- }
- // multiple answers
- elseif($answerType == MULTIPLE_ANSWER)
- {
- $s.="<tr>
- <td width='5%' align='center'>
- <input class='checkbox' type='checkbox' name='choice[".$questionId."][".$answerId."]' value='1'>
- </td>
- <td width='95%'>";
- $answer = api_parse_tex($answer);
- $s.=$answer;
- $s.="</td></tr>";
-
- }
- // fill in blanks
- elseif($answerType == FILL_IN_BLANKS)
- {
- $s.="<tr><td colspan='2'>$answer</td></tr>";
-
- }
- // free answer
-
- // matching
- else
- {
- if(!$answerCorrect)
- {
- // options (A, B, C, ...) that will be put into the list-box
- $Select[$answerId]['Lettre']=$cpt1++;
- // answers that will be shown at the right side
- $answer = api_parse_tex($answer);
- $Select[$answerId]['Reponse']=$answer;
- }
- else
- {
- $s.="
- <tr>
- <td colspan='2'>
- <table border='0' cellpadding='0' cellspacing='0' width='100%'>
- <tr>";
- $answer=api_parse_tex($answer);
- $s.="<td width='40%' valign='top'><b>".$cpt2."</b>. ".$answer."</td>
- <td width='20%' align='center'> <select name='choice[".$questionId."][".$answerId."]'>
- <option value='0'>--</option>";
-
- // fills the list-box
- foreach($Select as $key=>$val)
- {
-
- $s.="<option value='".$key."'>".$val['Lettre']."</option>";
-
- } // end foreach()
-
- $s.="</select> </td>
- <td width='40%' valign='top'>";
- if(isset($Select[$cpt2])) $s.='<b>'.$Select[$cpt2]['Lettre'].'.</b> '.$Select[$cpt2]['Reponse'];
- else $s.=' ';
- $s.="
- </td>
- </tr>
- </table>
- </td>
- </tr>";
-
- $cpt2++;
-
- // if the left side of the "matching" has been completely shown
- if($answerId == $nbrAnswers)
- {
- // if it remains answers to shown at the right side
- while(isset($Select[$cpt2]))
- {
-
-
- $s.="<tr>
- <td colspan='2'>
- <table border='0' cellpadding='0' cellspacing='0' width='100%'>
- <tr>
- <td width='60%' colspan='2'> </td>
- <td width='40%' valign='top'>";
- $s.='<b>'.$Select[$cpt2]['Lettre'].'.</b> '.$Select[$cpt2]['Reponse'];
- $s.="</td>
- </tr>
- </table>
- </td>
- </tr>";
-
-
- $cpt2++;
- } // end while()
- } // end if()
- }
- }
- } // end for()
-
- // destruction of the Answer object
- unset($objAnswerTmp);
-
- // destruction of the Question object
- unset($objQuestionTmp);
-
- if ($origin != 'export')
- {
- echo $s;
- }
- else
- {
- return($s);
- }
- }
- elseif ($answerType == HOT_SPOT) // Question is of type HOT_SPOT
- {
- $questionName=$objQuestionTmp->selectTitle();
- $questionDescription=$objQuestionTmp->selectDescription();
-
- // Get the answers, make a list
- $objAnswerTmp=new Answer($questionId);
- $nbrAnswers=$objAnswerTmp->selectNbrAnswers();
-
- $answer_list = '<div style="padding: 10px; margin-left: -8px; border: 1px solid #4271b5; height: 448px; width: 200px;"><b>'.get_lang('langHotspotZones').'</b><ol>';
- for($answerId=1;$answerId <= $nbrAnswers;$answerId++)
- {
- $answer_list .= '<li>'.$objAnswerTmp->selectAnswer($answerId).'</li>';
- }
- $answer_list .= '</ol></div>';
- if(!$onlyAnswers)
- {
- $s="<tr>
- <td valign='top' colspan='2'>";
- $questionName=api_parse_tex($questionName);
- $s.=$questionName;
- $s.="</td>
- </tr>
- <tr>
- <td valign='top' colspan='2'>
- <i>";
- $questionDescription=api_parse_tex($questionDescription);
- $s.=$questionDescription;
- $s.="</i>
- </td>
- </tr>";
- }
-
- $canClick = isset($_GET['editQuestion']) ? '0' : (isset($_GET['modifyAnswers']) ? '0' : '1');
- //$tes = isset($_GET['modifyAnswers']) ? '0' : '1';
- //echo $tes;
- $s .= '<tr><td valign="top" colspan="2"><table><tr><td>'."
- <script language=\"JavaScript\" type=\"text/javascript\">
- <!--
- // Version check based upon the values entered above in \"Globals\"
- var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
-
-
- // Check to see if the version meets the requirements for playback
- if (hasReqestedVersion) { // if we've detected an acceptable version
- var oeTags = '<object type=\"application/x-shockwave-flash\" data=\"../plugin/hotspot/hotspot_user.swf?modifyAnswers=".$questionId."&canClick:".$canClick."\" width=\"380\" height=\"470\">'
- + '<param name=\"movie\" value=\"../plugin/hotspot/hotspot_user.swf?modifyAnswers=".$questionId."&canClick:".$canClick."\" \/>'
- + '<\/object>';
- document.write(oeTags); // embed the Flash Content SWF when all tests are passed
- } else { // flash is too old or we can't detect the plugin
- var alternateContent = 'Error<br \/>'
- + 'Hotspots requires Macromedia Flash 7.<br \/>'
- + '<a href=http://www.macromedia.com/go/getflash/>Get Flash<\/a>';
- document.write(alternateContent); // insert non-flash content
- }
- // -->
- </script></td>
- <td valign='top'>$answer_list</td></tr></table>
- </td></tr>";
- echo $s;
-
- }
- return $nbrAnswers;
- }
- ?>
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