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367 lines
12 KiB
367 lines
12 KiB
<?php // $Id: exercise.lib.php 9866 2006-11-06 09:43:17Z bmol $
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2004 Dokeos S.A.
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Copyright (c) 2003 Ghent University (UGent)
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Copyright (c) 2001 Universite catholique de Louvain (UCL)
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Copyright (c) Olivier Brouckaert
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See the GNU General Public License for more details.
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Contact: Dokeos, 181 rue Royale, B-1000 Brussels, Belgium, info@dokeos.com
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==============================================================================
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*/
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/**
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==============================================================================
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EXERCISE TOOL LIBRARY
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*
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* shows a question and its answers
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*
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* @returns 'number of answers' if question exists, otherwise false
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*
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* @author Olivier Brouckaert <oli.brouckaert@skynet.be>
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*
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* @param integer $questionId ID of the question to show
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* @param boolean $onlyAnswers set to true to show only answers
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* @package dokeos.exercise
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==============================================================================
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*/
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require("../inc/lib/fckeditor/fckeditor.php") ;
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function showQuestion($questionId, $onlyAnswers=false, $origin=false)
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{
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// construction of the Question object
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$objQuestionTmp=new Question();
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// reads question informations
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if(!$objQuestionTmp->read($questionId))
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{
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// question not found
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return false;
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}
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$answerType=$objQuestionTmp->selectType();
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$pictureName=$objQuestionTmp->selectPicture();
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if ($answerType != HOT_SPOT) // Question is not of type hotspot
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{
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if(!$onlyAnswers)
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{
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$questionName=$objQuestionTmp->selectTitle();
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$questionDescription=$objQuestionTmp->selectDescription();
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$s="<tr>
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<td valign='top' colspan='2'>";
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$questionName=api_parse_tex($questionName);
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$s.=$questionName;
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$s.="</td>
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</tr>
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<tr>
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<td valign='top' colspan='2'>
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<i>";
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$questionDescription=api_parse_tex($questionDescription);
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$s.=$questionDescription;
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$s.="</i>
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</td>
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</tr>";
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if(!empty($pictureName))
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{
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$s.="
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<tr>
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<td align='center' colspan='2'><img src='../document/download.php?doc_url=%2Fimages%2F'".$pictureName."' border='0'></td>
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</tr>";
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}
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} // end if(!$onlyAnswers)
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// construction of the Answer object
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$objAnswerTmp=new Answer($questionId);
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$nbrAnswers=$objAnswerTmp->selectNbrAnswers();
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// only used for the answer type "Matching"
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if($answerType == MATCHING)
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{
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$cpt1='A';
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$cpt2=1;
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$Select=array();
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}
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elseif($answerType == FREE_ANSWER)
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{
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#$comment = $objAnswerTmp->selectComment(1);
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//
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$upload_path = api_get_path(REL_COURSE_PATH).$_SESSION['_course']['path'].'/document/';
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$oFCKeditor = new FCKeditor("choice[".$questionId."]") ;
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$oFCKeditor->BasePath = api_get_path(WEB_LIBRARY_PATH)."fckeditor/";
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//$oFCKeditor->Config['CustomConfigurationsPath'] = api_get_path(WEB_PATH)."claroline/inc/lib/fckeditor_new/myconfig.js?".time(); //to clear cache we use time() but always clear history manually
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/*
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$oFCKeditor->Config['ImageBrowserURL'] = $oFCKeditor->BasePath . "editor/filemanager/browser/default/browser.html?Type=Image&Connector=connectors/php/connector.php&ServerPath=/$upload_path/";
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$oFCKeditor->Config['ImageUploadURL'] = $oFCKeditor->BasePath . "editor/filemanager/upload/php/upload.php?Type=Image&ServerPath=/$upload_path/" ;
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//for Link/File
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$oFCKeditor->Config['LinkBrowserURL'] = $oFCKeditor->BasePath . "editor/filemanager/browser/default/browser.html?Connector=connectors/php/connector.php&ServerPath=$upload_path";
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$oFCKeditor->Config['LinkUploadURL'] = $oFCKeditor->BasePath . "editor/filemanager/upload/php/upload.php?ServerPath=$upload_path" ;
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//for image
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$oFCKeditor->Config['ImageBrowserURL'] = $oFCKeditor->BasePath . "editor/filemanager/browser/default/browser.html?Type=Image&Connector=connectors/php/connector.php&ServerPath=$upload_path";
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$oFCKeditor->Config['ImageUploadURL'] = $oFCKeditor->BasePath . "editor/filemanager/upload/php/upload.php?Type=Image&ServerPath=$upload_path" ;
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//for flash
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$oFCKeditor->Config['FlashBrowserURL'] = $oFCKeditor->BasePath . "editor/filemanager/browser/default/browser.html?Type=Flash&Connector=connectors/php/connector.php&ServerPath=$upload_path";
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$oFCKeditor->Config['FlashUploadURL'] = $oFCKeditor->BasePath . "editor/filemanager/upload/php/upload.php?Type=Flash&ServerPath=$upload_path" ;
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//for MP3
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$oFCKeditor->Config['MP3BrowserURL'] = $oFCKeditor->BasePath . "editor/filemanager/browser/default/browser.html?Type=MP3&Connector=connectors/php/connector.php&ServerPath=$upload_path";
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$oFCKeditor->Config['MP3UploadURL'] = $oFCKeditor->BasePath . "editor/filemanager/upload/php/upload.php?Type=MP3&ServerPath=$upload_path" ;
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//for other media
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$oFCKeditor->Config['VideoBrowserURL'] = $oFCKeditor->BasePath . "editor/filemanager/browser/default/browser.html?Type=Video&Connector=connectors/php/connector.php&ServerPath=$upload_path";
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$oFCKeditor->Config['VideoUploadURL'] = $oFCKeditor->BasePath . "editor/filemanager/upload/php/upload.php?Type=Video&ServerPath=$upload_path" ;
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$oFCKeditor->ToolbarSet = 'Comment' ;*/
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$oFCKeditor->Width = '70%';
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$oFCKeditor->Height = '150';
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$oFCKeditor->Value = '' ;
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$s .= "<tr><td colspan='2'>".$oFCKeditor->CreateHtml()."</td></tr>";
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//$s.="<tr><td colspan='2'><textarea cols='80' rows='10' name='choice[".$questionId."]'>$answer</textarea></td></tr>";
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}
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for($answerId=1;$answerId <= $nbrAnswers;$answerId++)
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{
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$answer=$objAnswerTmp->selectAnswer($answerId);
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$answerCorrect=$objAnswerTmp->isCorrect($answerId);
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if($answerType == FILL_IN_BLANKS)
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{
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// splits text and weightings that are joined with the character '::'
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list($answer)=explode('::',$answer);
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// because [] is parsed here we follow this procedure:
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// 1. find everything between the [tex] and [/tex] tags
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$startlocations=strpos($answer,'[tex]');
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$endlocations=strpos($answer,'[/tex]');
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if($startlocations !== false && $endlocations !== false)
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{
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$texstring=substr($answer,$startlocations,$endlocations-$startlocations+6);
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// 2. replace this by {texcode}
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$answer=str_replace($texstring,'{texcode}',$answer);
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}
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// 3. do the normal matching parsing
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// replaces [blank] by an input field
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$answer=ereg_replace('\[[^]]+\]','<input type="text" name="choice['.$questionId.'][]" size="10">',nl2br($answer));
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// 4. replace the {texcode by the api_pare_tex parsed code}
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$texstring = api_parse_tex($texstring);
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$answer=str_replace("{texcode}",$texstring,$answer);
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}
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// unique answer
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if($answerType == UNIQUE_ANSWER)
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{
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$s.="
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<tr>
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<td width='5%' align='center'>
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<input class='checkbox' type='radio' name='choice[".$questionId."]' value='".$answerId."'>
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</td>
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<td width='95%'>";
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$answer=api_parse_tex($answer);
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$s.=$answer;
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$s.="</td></tr>";
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}
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// multiple answers
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elseif($answerType == MULTIPLE_ANSWER)
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{
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$s.="<tr>
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<td width='5%' align='center'>
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<input class='checkbox' type='checkbox' name='choice[".$questionId."][".$answerId."]' value='1'>
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</td>
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<td width='95%'>";
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$answer = api_parse_tex($answer);
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$s.=$answer;
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$s.="</td></tr>";
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}
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// fill in blanks
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elseif($answerType == FILL_IN_BLANKS)
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{
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$s.="<tr><td colspan='2'>$answer</td></tr>";
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}
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// free answer
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// matching
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else
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{
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if(!$answerCorrect)
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{
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// options (A, B, C, ...) that will be put into the list-box
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$Select[$answerId]['Lettre']=$cpt1++;
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// answers that will be shown at the right side
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$answer = api_parse_tex($answer);
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$Select[$answerId]['Reponse']=$answer;
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}
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else
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{
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$s.="
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<tr>
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<td colspan='2'>
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<table border='0' cellpadding='0' cellspacing='0' width='100%'>
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<tr>";
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$answer=api_parse_tex($answer);
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$s.="<td width='40%' valign='top'><b>".$cpt2."</b>. ".$answer."</td>
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<td width='20%' align='center'> <select name='choice[".$questionId."][".$answerId."]'>
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<option value='0'>--</option>";
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// fills the list-box
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foreach($Select as $key=>$val)
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{
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$s.="<option value='".$key."'>".$val['Lettre']."</option>";
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} // end foreach()
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$s.="</select> </td>
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<td width='40%' valign='top'>";
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if(isset($Select[$cpt2])) $s.='<b>'.$Select[$cpt2]['Lettre'].'.</b> '.$Select[$cpt2]['Reponse'];
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else $s.=' ';
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$s.="
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</td>
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</tr>
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</table>
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</td>
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</tr>";
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$cpt2++;
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// if the left side of the "matching" has been completely shown
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if($answerId == $nbrAnswers)
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{
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// if it remains answers to shown at the right side
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while(isset($Select[$cpt2]))
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{
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$s.="<tr>
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<td colspan='2'>
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<table border='0' cellpadding='0' cellspacing='0' width='100%'>
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<tr>
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<td width='60%' colspan='2'> </td>
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<td width='40%' valign='top'>";
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$s.='<b>'.$Select[$cpt2]['Lettre'].'.</b> '.$Select[$cpt2]['Reponse'];
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$s.="</td>
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</tr>
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</table>
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</td>
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</tr>";
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$cpt2++;
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} // end while()
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} // end if()
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}
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}
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} // end for()
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// destruction of the Answer object
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unset($objAnswerTmp);
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// destruction of the Question object
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unset($objQuestionTmp);
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if ($origin != 'export')
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{
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echo $s;
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}
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else
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{
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return($s);
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}
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}
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elseif ($answerType == HOT_SPOT) // Question is of type HOT_SPOT
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{
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$questionName=$objQuestionTmp->selectTitle();
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$questionDescription=$objQuestionTmp->selectDescription();
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// Get the answers, make a list
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$objAnswerTmp=new Answer($questionId);
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$nbrAnswers=$objAnswerTmp->selectNbrAnswers();
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$answer_list = '<div style="padding: 10px; margin-left: -8px; border: 1px solid #4271b5; height: 448px; width: 200px;"><b>'.get_lang('langHotspotZones').'</b><ol>';
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for($answerId=1;$answerId <= $nbrAnswers;$answerId++)
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{
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$answer_list .= '<li>'.$objAnswerTmp->selectAnswer($answerId).'</li>';
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}
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$answer_list .= '</ol></div>';
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if(!$onlyAnswers)
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{
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$s="<tr>
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<td valign='top' colspan='2'>";
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$questionName=api_parse_tex($questionName);
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$s.=$questionName;
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$s.="</td>
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</tr>
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<tr>
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<td valign='top' colspan='2'>
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<i>";
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$questionDescription=api_parse_tex($questionDescription);
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$s.=$questionDescription;
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$s.="</i>
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</td>
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</tr>";
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}
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$canClick = isset($_GET['editQuestion']) ? '0' : (isset($_GET['modifyAnswers']) ? '0' : '1');
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//$tes = isset($_GET['modifyAnswers']) ? '0' : '1';
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//echo $tes;
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$s .= '<tr><td valign="top" colspan="2"><table><tr><td>'."
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<script language=\"JavaScript\" type=\"text/javascript\">
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<!--
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// Version check based upon the values entered above in \"Globals\"
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var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
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// Check to see if the version meets the requirements for playback
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if (hasReqestedVersion) { // if we've detected an acceptable version
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var oeTags = '<object type=\"application/x-shockwave-flash\" data=\"../plugin/hotspot/hotspot_user.swf?modifyAnswers=".$questionId."&canClick:".$canClick."\" width=\"380\" height=\"470\">'
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+ '<param name=\"movie\" value=\"../plugin/hotspot/hotspot_user.swf?modifyAnswers=".$questionId."&canClick:".$canClick."\" \/>'
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+ '<\/object>';
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document.write(oeTags); // embed the Flash Content SWF when all tests are passed
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} else { // flash is too old or we can't detect the plugin
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var alternateContent = 'Error<br \/>'
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+ 'Hotspots requires Macromedia Flash 7.<br \/>'
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+ '<a href=http://www.macromedia.com/go/getflash/>Get Flash<\/a>';
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document.write(alternateContent); // insert non-flash content
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}
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// -->
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</script></td>
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<td valign='top'>$answer_list</td></tr></table>
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</td></tr>";
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echo $s;
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}
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return $nbrAnswers;
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}
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?>
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