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CATI_Tool/include/limesurvey/survey.php
azammitdcarf 1445da495b Import from DCARF SVN
2008-10-15 22:36:05 +00:00

640 lines
21 KiB
PHP
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<?php
/**
* LimeSurvey
* Copyright (C) 2007 The LimeSurvey Project Team / Carsten Schmitz
* All rights reserved.
* License: GNU/GPL License v2 or later, see LICENSE.php
* LimeSurvey is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*
* $Id: survey.php 5063 2008-06-13 13:16:26Z lemeur $
*/
//Security Checked: POST, GET, SESSION, REQUEST, returnglobal, DB
if (!isset($homedir) || isset($_REQUEST['$homedir'])) {die("Cannot run this script directly");}
//Move current step ###########################################################################
if (!isset($_SESSION['step'])) {$_SESSION['step'] = 0;}
if (!isset($_SESSION['totalsteps'])) {$_SESSION['totalsteps']=0;}
if (isset($move) && $move == "moveprev") {$_SESSION['step'] = $thisstep-1;}
if (isset($move) && $move == "movenext") {$_SESSION['step'] = $thisstep+1;}
// This prevents the user from going back to the question pages and keeps him on the final page
// That way his session can be kept so he can still print his answers until he closes the browser
if (isset($_SESSION['finished'])) {$move="movesubmit"; }
//CHECK IF ALL MANDATORY QUESTIONS HAVE BEEN ANSWERED ############################################
//CHECK IF ALL CONDITIONAL MANDATORY QUESTIONS THAT APPLY HAVE BEEN ANSWERED
$notanswered=addtoarray_single(checkmandatorys($move),checkconditionalmandatorys($move));
//CHECK PREGS
$notvalidated=checkpregs($move);
//CHECK QUOTA
if ($thissurvey['active'] == "Y")
{
check_quota('enforce',$surveyid);
}
//SUBMIT
if ((isset($move) && $move == "movesubmit") && (!isset($notanswered) || !$notanswered) && (!isset($notvalidated) && !$notvalidated))
{
if ($thissurvey['private'] == "Y")
{
$privacy = templatereplace(file_get_contents("$thistpl/privacy.pstpl"));
}
if ($thissurvey['refurl'] == "Y")
{
if (!in_array("refurl", $_SESSION['insertarray'])) //Only add this if it doesn't already exist
{
$_SESSION['insertarray'][] = "refurl";
}
}
//COMMIT CHANGES TO DATABASE
if ($thissurvey['active'] != "Y")
{
sendcacheheaders();
doHeader();
echo templatereplace(file_get_contents("$thistpl/startpage.pstpl"));
//Check for assessments
$assessments = doAssessment($surveyid);
if ($assessments)
{
echo templatereplace(file_get_contents("$thistpl/assessment.pstpl"));
}
$completed = "<br /><strong><font size='2' color='red'>".$clang->gT("Did Not Save")."</strong></font><br /><br />\n\n"
. $clang->gT("Your survey responses have not been recorded. This survey is not yet active.")."<br /><br />\n"
. "<a href='{$_SERVER['PHP_SELF']}?sid=$surveyid&amp;move=clearall'>".$clang->gT("Clear Responses")."</a><br /><br />\n";
}
else
{
if ($thissurvey['usecookie'] == "Y" && $tokensexist != 1)
{
$cookiename="PHPSID".returnglobal('sid')."STATUS";
setcookie("$cookiename", "COMPLETE", time() + 31536000); //365 days
}
$content='';
//Start to print the final page
$content .= templatereplace(file_get_contents("$thistpl/startpage.pstpl"));
//Check for assessments
$assessments = doAssessment($surveyid);
if ($assessments)
{
$content .= templatereplace(file_get_contents("$thistpl/assessment.pstpl"));
}
// Unsetting $postedfieldnames tells the createinsertquery() function only to set the sbumit date, nothing else
unset($postedfieldnames);
// only update submitdate if the user did not already visit the submit page
if (!isset($_SESSION['finished']))
{
$subquery = createinsertquery();
$connect->Execute($subquery); // Checked
}
//Create text for use in later print section
$completed = "<br /><strong><font size='2'><font color='green'>"
. $clang->gT("Thank you")."</strong></font><br /><br />\n\n"
. $clang->gT("Your survey responses have been recorded.")."<br />\n"
. "<a href='javascript:window.close()'>"
. $clang->gT("Close this Window")."</a></font><br /><br />\n";
// Link to Print Answer Preview **********
if ($thissurvey['printanswers']=='Y')
{
$completed .= "<br /><br />"
."<a class='printlink' href='printanswers.php' target='_blank'>"
.$clang->gT("Click here to print your answers.")
."</a><br />\n";
}
//*****************************************
//Update the token if needed and send a confirmation email
if (isset($clienttoken) && $clienttoken)
{
submittokens();
}
//Send notification to survey administrator //Thanks to Jeff Clement http://jclement.ca
if ($thissurvey['sendnotification'] > 0 && $thissurvey['adminemail'])
{
sendsubmitnotification($thissurvey['sendnotification']);
}
$_SESSION['finished']=true;
$_SESSION['sid']=$surveyid;
sendcacheheaders();
if (!$embedded && isset($thissurvey['autoredirect']) && $thissurvey['autoredirect'] == "Y" && $thissurvey['url'])
{
//Automatically redirect the page to the "url" setting for the survey
session_write_close();
$url = $thissurvey['url'];
$url=str_replace("{SAVEDID}",$saved_id, $url); // to activate the SAVEDID in the END URL
$url=str_replace("{TOKEN}",$clienttoken, $url); // to activate the TOKEN in the END URL
$url=str_replace("{SID}", $surveyid, $url); // to activate the SID in the RND URL
header("Location: {$url}");
}
doHeader();
echo $content;
}
echo templatereplace(file_get_contents("$thistpl/completed.pstpl"));
echo "\n<br />\n";
echo templatereplace(file_get_contents("$thistpl/endpage.pstpl"));
doFooter();
if($thissurvey['printanswers'] != 'Y' && $thissurvey['usecookie'] != 'Y' && $tokensexist !=1)
{
session_unset();
session_destroy();
}
exit;
}
//SEE IF $surveyid EXISTS
if ($surveyexists <1)
{
sendcacheheaders();
doHeader();
//SURVEY DOES NOT EXIST. POLITELY EXIT.
echo templatereplace(file_get_contents("$thistpl/startpage.pstpl"));
echo "\t<center><br />\n"
."\t".$clang->gT("Sorry. There is no matching survey.")."<br /></center>&nbsp;\n";
echo templatereplace(file_get_contents("$thistpl/endpage.pstpl"));
doFooter();
exit;
}
//RUN THIS IF THIS IS THE FIRST TIME
if (!isset($_SESSION['step']) || !$_SESSION['step'] || !isset($totalquestions))
{
$totalquestions = buildsurveysession();
$_SESSION['step'] = 1;
}
// If the survey uses answer persistence and a srid is registered in SESSION
// then loadanswers from this srid
if ($thissurvey['tokenanswerspersistence'] == 'Y' &&
$thissurvey['private'] == "N" &&
isset($_SESSION['srid']) &&
$thissurvey['active'] == "Y")
{
loadanswers();
}
//******************************************************************************************************
//PRESENT SURVEY
//******************************************************************************************************
//GET GROUP DETAILS
require_once("qanda.php");
$mandatorys=array();
$mandatoryfns=array();
$conmandatorys=array();
$conmandatoryfns=array();
$conditions=array();
$inputnames=array();
foreach ($_SESSION['grouplist'] as $gl)
{
$gid=$gl[0];
foreach ($_SESSION['fieldarray'] as $ia)
{
if ($ia[5] == $gid)
{
list($plus_qanda, $plus_inputnames)=retrieveAnswers($ia);
if ($plus_qanda)
{
$qanda[]=$plus_qanda;
}
if ($plus_inputnames)
{
$inputnames = addtoarray_single($inputnames, $plus_inputnames);
}
//Display the "mandatory" popup if necessary
if (isset($notanswered))
{
list($mandatorypopup, $popup)=mandatory_popup($ia, $notanswered);
}
if (isset($notvalidated))
{
list($validationpopup, $vpopup)=validation_popup($ia, $notvalidated);
}
//Get list of mandatory questions
list($plusman, $pluscon)=create_mandatorylist($ia);
if ($plusman !== null)
{
list($plus_man, $plus_manfns)=$plusman;
$mandatorys=addtoarray_single($mandatorys, $plus_man);
$mandatoryfns=addtoarray_single($mandatoryfns, $plus_manfns);
}
if ($pluscon !== null)
{
list($plus_conman, $plus_conmanfns)=$pluscon;
$conmandatorys=addtoarray_single($conmandatorys, $plus_conman);
$conmandatoryfns=addtoarray_single($conmandatoryfns, $plus_conmanfns);
}
//Build an array containing the conditions that apply for this page
$plus_conditions=retrieveConditionInfo($ia); //Returns false if no conditions
if ($plus_conditions)
{
$conditions = addtoarray_single($conditions, $plus_conditions);
}
}
}
}
//READ TEMPLATES, INSERT DATA AND PRESENT PAGE
sendcacheheaders();
doHeader();
if(isset($popup)) {echo $popup;}
if(isset($vpopup)) {echo $vpopup;}
echo templatereplace(file_get_contents("$thistpl/startpage.pstpl"));
echo "\n<form method='post' action='{$_SERVER['PHP_SELF']}' id='limesurvey' name='limesurvey'>\n";
//PUT LIST OF FIELDS INTO HIDDEN FORM ELEMENT
echo "\n\n<!-- INPUT NAMES -->\n"
."\t<input type='hidden' name='fieldnames' id='fieldnames' value='"
.implode("|", $inputnames)
."' />\n";
echo "\n";
echo "\n\n<!-- JAVASCRIPT FOR MODIFIED QUESTIONS -->\n";
echo "\t<script type='text/javascript'>\n";
echo "\t<!--\n";
echo " function ValidDate(oObject)\n";
echo " {// Regular expression used to check if date is in correct format\n";
echo " var str_regexp = /[1-9][0-9]{3}-(0[1-9]|1[0-2])-([0-2][0-9]|3[0-1])/;\n";
echo " var pattern = new RegExp(str_regexp);\n";
echo " if ((oObject.value.match(pattern)!=null))\n";
echo " {var date_array = oObject.value.split('-');\n";
echo " var day = date_array[2];\n";
echo " var month = date_array[1];\n";
echo " var year = date_array[0];\n";
echo " str_regexp = /1|3|5|7|8|10|12/;\n";
echo " pattern = new RegExp(str_regexp);\n";
echo " if ( day <= 31 && (month.match(pattern)!=null))\n";
echo " { return true;\n";
echo " }\n";
echo " str_regexp = /4|6|9|11/;\n";
echo " pattern = new RegExp(str_regexp);\n";
echo " if ( day <= 30 && (month.match(pattern)!=null))\n";
echo " { return true;\n";
echo " }\n";
echo " if (day == 29 && month == 2 && (year % 4 == 0))\n";
echo " { return true;\n";
echo " }\n";
echo " if (day <= 28 && month == 2)\n";
echo " { return true;\n";
echo " } \n";
echo " }\n";
echo " window.alert('".$clang->gT("Date is not valid!")."');\n";
echo " oObject.focus();\n";
echo " oObject.select();\n";
echo " return false;\n";
echo " }\n";
echo "\t//-->\n";
echo "\t</script>\n\n";
// <-- END NEW FEATURE - SAVE
echo templatereplace(file_get_contents("$thistpl/welcome.pstpl"))."\n";
if ($thissurvey['private'] == "Y")
{
echo templatereplace(file_get_contents("$thistpl/privacy.pstpl"))."\n";
}
echo "\n\n<!-- JAVASCRIPT FOR CONDITIONAL QUESTIONS -->\n"
."\t<script type='text/javascript'>\n"
."\t<!--\n";
// Find out if there are any array_filter questions in this group
$array_filterqs = getArrayFiltersForGroup($surveyid,$gid);
// Put in the radio button reset javascript for the array filter unselect
if (isset($array_filterqs) && is_array($array_filterqs)) {
print <<<END
function radio_unselect(radioObj)
{
var radioLength = radioObj.length;
for(var i = 0; i < radioLength; i++)
{
radioObj[i].checked = false;
}
}
END;
}
echo "\t\tfunction checkconditions(value, name, type)\n"
."\t\t\t{\n";
if ((isset($conditions) && is_array($conditions)) || (isset($array_filterqs) && is_array($array_filterqs)))
{
if (!isset($endzone)) {$endzone="";}
echo "\t\t\tif (type == 'radio' || type == 'select-one')\n"
."\t\t\t\t{\n"
."\t\t\t\tvar hiddenformname='java'+name;\n"
."\t\t\t\tdocument.getElementById(hiddenformname).value=value;\n"
."\t\t\t\t}\n"
."\t\t\tif (type == 'checkbox')\n"
."\t\t\t\t{\n"
."\t\t\t\tvar hiddenformname='java'+name;\n"
."\t\t\t\tvar chkname='answer'+name;\n"
."\t\t\t\tif (document.getElementById(chkname).checked) {\n"
."\t\t\t\t\tdocument.getElementById(hiddenformname).value='Y';}\n"
."\t\t\t\telse {\n"
."\t\t\t\t\tdocument.getElementById(hiddenformname).value='';}\n"
."\t\t\t\t}\n";
$java="";
$cqcount=1;
/* $conditions element structure
* $condition[n][0] => question id
* $condition[n][1] => question with value to evaluate
* $condition[n][2] => internal field name of element [1]
* $condition[n][3] => value to be evaluated on answers labeled.
* *NEW* tittle of questions to evaluate.
* $condition[n][4] => type of question
* $condition[n][5] => equal to [2], but concatenated in this time (why the same value 2 times?)
* $condition[n][6] => method used to evaluate *NEW*
*/
foreach ($conditions as $cd)
{
if (trim($cd[6])=='') {$cd[6]='==';}
if ((isset($oldq) && $oldq != $cd[0]) || !isset($oldq)) //New if statement
{
$java .= $endzone;
$endzone = "";
$cqcount=1;
$java .= "\n if ((";
}
if (!isset($oldcq) || !$oldcq)
{
$oldcq = $cd[2];
}
//Just in case the dropdown threshold is being applied, check number of answers here
if ($cd[4] == "L")
{
$cccquery="SELECT code FROM {$dbprefix}answers WHERE qid={$cd[1]}";
$cccresult=$connect->Execute($cccquery); // Checked
$cccount=$cccresult->RecordCount();
}
if ($cd[4] == "R")
{
$idname="fvalue_".$cd[1].substr($cd[2], strlen($cd[2])-1,1);
}
elseif ($cd[4] == "5" ||
$cd[4] == "A" ||
$cd[4] == "B" ||
$cd[4] == "C" ||
$cd[4] == "E" ||
$cd[4] == "F" ||
$cd[4] == "G" ||
$cd[4] == "Y" ||
$cd[4] == "1" ||
($cd[4] == "L" &&
$cccount <= $dropdownthreshold))
{
$idname="java$cd[2]";
}
elseif ($cd[4] == "M" || $cd[4] == "P")
{
$idname="java$cd[2]$cd[3]";
}
elseif ($cd[4] == "D" ||
$cd[4] == "N" ||
$cd[4] == "S" ||
$cd[4] == "T" ||
$cd[4] == "U" ||
$cd[4] == "Q" ||
$cd[4] == "K" )
{
$idname="answer$cd[2]";
}
else
{
$idname="java".$cd[2];
}
if ($cqcount > 1 && $oldcq ==$cd[2])
{
$java .= " || ";
}
elseif ($cqcount >1 && $oldcq != $cd[2])
{
$java .= ") && (";
}
if ($cd[3] == '' || $cd[3] == ' ')
{
$java .= "document.getElementById('$idname').value $cd[6] ' ' || !document.getElementById('$idname').value";
}
elseif($cd[4] == "M" || $cd[4] == "P")
{
$java .= "document.getElementById('$idname').value $cd[6] 'Y'";
}
else
{
// NEW
// If the value is enclossed by @
// the value of this question must be evaluated instead.
if (ereg('^@([0-9]+X[0-9]+X[^@]+)@', $cd[3], $comparedfieldname))
{
$java .= "document.getElementById('$idname').value $cd[6] document.getElementById('answer".$comparedfieldname[1]."').value";
}
else
{
if ($cd[6] == 'RX')
{
$java .= "match_regex(document.getElementById('$idname').value,'$cd[3]')";
}
else
{
$java .= "document.getElementById('$idname').value $cd[6] '$cd[3]'";
}
}
}
if ((isset($oldq) && $oldq != $cd[0]) || !isset($oldq))//Close if statement
{
$endzone = "))\n"
. " {\n"
. " document.getElementById('question$cd[0]').style.display='';\n"
. " document.getElementById('display$cd[0]').value='on';\n"
. " }\n"
. " else\n"
. " {\n"
. " document.getElementById('question$cd[0]').style.display='none';\n"
. " document.getElementById('display$cd[0]').value='';\n"
. " }\n";
$cqcount++;
}
$oldq = $cd[0]; //Update oldq for next loop
$oldcq = $cd[2]; //Update oldcq for next loop
}
$java .= $endzone;
}
if (isset($array_filterqs) && is_array($array_filterqs))
{
if (!isset($appendj)) {$appendj="";}
foreach ($array_filterqs as $attralist)
{
//die(print_r($attrflist));
$qbase = $surveyid."X".$gid."X".$attralist['qid'];
$qfbase = $surveyid."X".$gid."X".$attralist['fid'];
if ($attralist['type'] == "M")
{
$qquery = "SELECT code FROM {$dbprefix}answers WHERE qid='".$attralist['qid']."' AND language='".$_SESSION['s_lang']."' order by code;";
$qresult = db_execute_assoc($qquery); // Checked
while ($fansrows = $qresult->FetchRow())
{
$fquestans = "java".$qfbase.$fansrows['code'];
$tbody = "javatbd".$qbase.$fansrows['code'];
$dtbody = "tbdisp".$qbase.$fansrows['code'];
$tbodyae = $qbase.$fansrows['code'];
$appendj .= "\n\t\t\tif ((document.getElementById('$fquestans').value == 'Y'))\n";
$appendj .= "\t\t\t{\n";
$appendj .= "\t\t\t\tdocument.getElementById('$tbody').style.display='';\n";
$appendj .= "\t\t\t\tdocument.getElementById('$dtbody').value='on';\n";
$appendj .= "\t\t\t}\n";
$appendj .= "\t\t\telse\n";
$appendj .= "\t\t\t{\n";
$appendj .= "\t\t\t\tdocument.getElementById('$tbody').style.display='none';\n";
$appendj .= "\t\t\t\tdocument.getElementById('$dtbody').value='off';\n";
$appendj .= "\t\t\t\tradio_unselect(document.forms['limesurvey'].elements['$tbodyae']);\n";
$appendj .= "\t\t\t}\n";
}
}
}
$java .= $appendj;
}
if (isset($java)) {echo $java;}
echo "\t\t\t}\n"
."\t//-->\n"
."\t</script>\n\n"; // End checkconditions javascript function
foreach ($_SESSION['grouplist'] as $gl)
{
$gid=$gl[0];
$groupname=$gl[1];
$groupdescription=$gl[2];
echo "\n\n<!-- START THE GROUP -->\n";
echo templatereplace(file_get_contents("$thistpl/startgroup.pstpl"));
echo "\n";
if ($groupdescription)
{
echo templatereplace(file_get_contents("$thistpl/groupdescription.pstpl"));
}
echo "\n";
echo "\n\n<!-- PRESENT THE QUESTIONS -->\n";
if (is_array($qanda))
{
foreach ($qanda as $qa)
{
if ($gl[0] == $qa[6])
{
echo "\n\t<!-- NEW QUESTION -->\n";
echo "\t\t\t\t<div id='question$qa[4]'";
if ($qa[3] != "Y") {echo ">\n";} else {echo " style='display: none'>\n";}
$question="<label for='$qa[7]'>" . $qa[0] . "</label>";
$answer=$qa[1];
$help=$qa[2];
$questioncode=$qa[5];
echo templatereplace(file_get_contents("$thistpl/question.pstpl"));
echo "\t\t\t\t</div>\n";
}
}
}
echo "\n\n<!-- END THE GROUP -->\n";
echo templatereplace(file_get_contents("$thistpl/endgroup.pstpl"));
echo "\n";
}
//echo "&nbsp;\n";
$navigator = surveymover();
echo "\n\n<!-- PRESENT THE NAVIGATOR -->\n";
echo templatereplace(file_get_contents("$thistpl/navigator.pstpl"));
echo "\n";
if ($thissurvey['active'] != "Y") {echo "\t\t<center><font color='red' size='2'>".$clang->gT("This survey is not currently active. You will not be able to save your responses.")."</font></center>\n";}
if (is_array($conditions) && count($conditions) != 0 )
{
//if conditions exist, create hidden inputs for 'previously' answered questions
// Note that due to move 'back' possibility, there may be answers from next pages
// However we make sure that no answer from this page are inserted here
foreach (array_keys($_SESSION) as $SESak)
{
if (in_array($SESak, $_SESSION['insertarray']) && !in_array($SESak, $inputnames))
{
echo "<input type='hidden' name='java$SESak' id='java$SESak' value='" . $_SESSION[$SESak] . "' />\n";
}
}
}
//SOME STUFF FOR MANDATORY QUESTIONS
if (remove_nulls_from_array($mandatorys))
{
$mandatory=implode("|", remove_nulls_from_array($mandatorys));
echo "<input type='hidden' name='mandatory' value='$mandatory' id='mandatory' />\n";
}
if (remove_nulls_from_array($conmandatorys))
{
$conmandatory=implode("|", remove_nulls_from_array($conmandatorys));
echo "<input type='hidden' name='conmandatory' value='$conmandatory' id='conmandatory' />\n";
}
if (remove_nulls_from_array($mandatoryfns))
{
$mandatoryfn=implode("|", remove_nulls_from_array($mandatoryfns));
echo "<input type='hidden' name='mandatoryfn' value='$mandatoryfn' id='mandatoryfn' />\n";
}
if (remove_nulls_from_array($conmandatoryfns))
{
$conmandatoryfn=implode("|", remove_nulls_from_array($conmandatoryfns));
echo "<input type='hidden' name='conmandatoryfn' value='$conmandatoryfn' id='conmandatoryfn' />\n";
}
echo "<input type='hidden' name='thisstep' value='{$_SESSION['step']}' id='thisstep' />\n"
."<input type='hidden' name='sid' value='$surveyid' id='sid' />\n"
."<input type='hidden' name='token' value='$token' id='token' />\n"
."</form>\n";
echo templatereplace(file_get_contents("$thistpl/endpage.pstpl"));
echo "\n";
doFooter();
?>
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