function checkconfield($value)
{
global $surveyid, $thissurvey, $qattributes;
$fieldisdisplayed = true;
if (!is_array($thissurvey)) {
$local_thissurvey = getSurveyInfo($surveyid);
} else {
$local_thissurvey = $thissurvey;
}
// we know the true fieldname $value (for instance SGQA for each checkboxes)
// and we want to compare it to the values stored in $_SESSION['fieldarray'] which are simple fieldnames
// ==> We first translate $value to the simple fieldname (let's call it the masterFieldName) from
// the $_SESSION['survey_X']['fieldnamesInfo'] translation table
if (isset($_SESSION['survey_' . $surveyid]['fieldnamesInfo'][$value])) {
$masterFieldName = $_SESSION['survey_' . $surveyid]['fieldnamesInfo'][$value];
} else {
// for token refurl, ipaddr...
$masterFieldName = 'token';
}
$value_qid = 0;
$value_type = '';
$value_isconditionnal = 'N';
//$value is the fieldname for the field we are checking for conditions
foreach ($_SESSION['survey_' . $surveyid]['fieldarray'] as $sfa) {
// record the qid and question type for future use
if ($sfa[1] == $masterFieldName) {
$value_qid = $sfa[0];
$value_type = $sfa[4];
$value_isconditionnal = $sfa[7];
break;
}
}
// check if this question is conditionnal ($sfa[7]): if yes eval conditions
if ($value_isconditionnal == "Y" && isset($_SESSION['survey_' . $surveyid][$value])) {
$scenarioquery = "SELECT DISTINCT scenario FROM {{conditions}}" . " WHERE {{conditions}}.qid={$sfa['0']} ORDER BY scenario";
$scenarioresult = dbExecuteAssoc($scenarioquery);
$matchfound = 0;
//$scenario=1;
//while ($scenario > 0)
$evalNextScenario = true;
foreach ($scenarioresult->readAll() as $scenariorow) {
if ($evalNextScenario !== true) {
break;
}
$aAllCondrows = array();
$cqval = array();
$container = array();
$scenario = $scenariorow['scenario'];
$currentcfield = "";
$sConditionsQuery1 = "SELECT {{conditions}}.*, {{questions}}.type " . "FROM {{conditions}}, {{questions}} " . "WHERE {{conditions}}.cqid={{questions}}.qid " . "AND {{conditions}}.qid={$value_qid} " . "AND {{conditions}}.scenario={$scenario} " . "AND {{conditions}}.cfieldname NOT LIKE '{%' " . "ORDER BY {{conditions}}.qid,{{conditions}}.cfieldname";
$oResult1 = dbExecuteAssoc($sConditionsQuery1) or safeDie($query . "<br />");
//Checked
$aConditionsResult1 = $oResult2->readAll();
//Checked
$conditionsfound = count($aConditionsResult1);
$sConditionsQuery2 = "SELECT {{conditions}}.*, '' as type " . "FROM {{conditions}} " . "WHERE " . " {{conditions}}.qid={$value_qid} " . "AND {{conditions}}.scenario={$scenario} " . "AND {{conditions}}.cfieldname LIKE '{%' " . "ORDER BY {{conditions}}.qid,{{conditions}}.cfieldname";
$oResult2 = dbExecuteAssoc($sConditionsQuery2) or safeDie($querytoken . "<br />");
$aConditionsResult2 = $oResult2->readAll();
//Checked
$conditionsfoundtoken = count($aConditionsResult2);
$conditionsfound = $conditionsfound + $conditionsfoundtoken;
foreach ($aConditionsResult2 as $Condrow) {
$aAllCondrows[] = $Condrow;
}
foreach ($aConditionsResult1 as $Condrow) {
$aAllCondrows[] = $Condrow;
}
foreach ($aAllCondrows as $rows) {
if (preg_match("/^\\+(.*)\$/", $rows['cfieldname'], $cfieldnamematch)) {
// this condition uses a single checkbox as source
$rows['type'] = "+" . $rows['type'];
$rows['cfieldname'] = $cfieldnamematch[1];
}
if ($rows['type'] == "M" || $rows['type'] == "P") {
$matchfield = $rows['cfieldname'] . $rows['value'];
$matchmethod = $rows['method'];
$matchvalue = "Y";
} else {
$matchfield = $rows['cfieldname'];
$matchmethod = $rows['method'];
$matchvalue = $rows['value'];
}
$cqval[] = array("cfieldname" => $rows['cfieldname'], "value" => $rows['value'], "type" => $rows['type'], "matchfield" => $matchfield, "matchvalue" => $matchvalue, "matchmethod" => $matchmethod);
if ($rows['cfieldname'] != $currentcfield) {
$container[] = $rows['cfieldname'];
}
$currentcfield = $rows['cfieldname'];
}
if ($conditionsfound > 0) {
//At least one match must be found for each "$container"
$total = 0;
foreach ($container as $con) {
$conditionCanBeEvaluated = true;
$addon = 0;
foreach ($cqval as $cqv) {
//Go through each condition
// Replace @SGQA@ condition values
// By corresponding value
if (preg_match('/^@([0-9]+X[0-9]+X[^@]+)@/', $cqv["matchvalue"], $targetconditionfieldname)) {
if (isset($_SESSION['survey_' . $surveyid][$targetconditionfieldname[1]])) {
$cqv["matchvalue"] = $_SESSION['survey_' . $surveyid][$targetconditionfieldname[1]];
} else {
$conditionCanBeEvaluated = false;
}
}
// Replace {TOKEN:XXX} condition values
// By corresponding value
if ($local_thissurvey['anonymized'] == 'N' && preg_match('/^{TOKEN:([^}]*)}$/', $cqv["matchvalue"], $targetconditiontokenattr)) {
if (isset($_SESSION['survey_' . $surveyid]['token']) && in_array(strtolower($targetconditiontokenattr[1]), getTokenConditionsFieldNames($surveyid))) {
$cqv["matchvalue"] = getAttributeValue($surveyid, strtolower($targetconditiontokenattr[1]), $_SESSION['survey_' . $surveyid]['token']);
} else {
$conditionCanBeEvaluated = false;
}
}
// Use == as default operator
if (trim($cqv['matchmethod']) == '') {
$cqv['matchmethod'] = '==';
}
if ($cqv['cfieldname'] == $con && $conditionCanBeEvaluated === true) {
if (!preg_match("/^{/", $cqv['cfieldname'])) {
if (isset($_SESSION['survey_' . $surveyid][$cqv['matchfield']])) {
$comparisonLeftOperand = $_SESSION['survey_' . $surveyid][$cqv['matchfield']];
} else {
$comparisonLeftOperand = null;
}
} elseif ($local_thissurvey['anonymized'] == "N" && preg_match('/^{TOKEN:([^}]*)}$/', $cqv['cfieldname'], $sourceconditiontokenattr)) {
if (isset($_SESSION['survey_' . $surveyid]['token']) && in_array(strtolower($sourceconditiontokenattr[1]), getTokenConditionsFieldNames($surveyid))) {
$comparisonLeftOperand = getAttributeValue($surveyid, strtolower($sourceconditiontokenattr[1]), $_SESSION['survey_' . $surveyid]['token']);
} else {
$comparisonLeftOperand = null;
}
} else {
$comparisonLeftOperand = null;
}
if ($cqv['matchmethod'] != "RX") {
if (preg_match("/^a(.*)b\$/", $cqv['matchmethod'], $matchmethods)) {
// strings comparizon operator in PHP are the same as numerical operators
$matchOperator = $matchmethods[1];
} else {
$matchOperator = $cqv['matchmethod'];
}
if (isset($comparisonLeftOperand) && !is_null($comparisonLeftOperand) && eval('if (trim($comparisonLeftOperand) ' . $matchOperator . ' trim($cqv["matchvalue"]) ) {return true;} else {return false;}')) {
//plug successful matches into appropriate container
$addon = 1;
}
} elseif (isset($comparisonLeftOperand) && !is_null($comparisonLeftOperand) && preg_match('/' . $cqv["matchvalue"] . '/', $comparisonLeftOperand)) {
$addon = 1;
}
}
}
if ($addon == 1) {
$total++;
}
}
if ($total == count($container)) {
$matchfound = 1;
$evalNextScenario = false;
// Don't look for other scenario's.
}
unset($cqval);
unset($container);
} else {
//Curious there is no condition for this question in this scenario
// this is not a normal behaviour, but I propose to defaults to a
// condition-matched state in this case
$matchfound = 1;
$evalNextScenario = false;
}
}
// while ($scenario)
if ($matchfound == 0) {
//If this is not a "moveprev" then
// Reset the value in SESSION
//if(isset($move) && $move != "moveprev")
//{
$_SESSION['survey_' . $surveyid][$value] = "";
$fieldisdisplayed = false;
//}
}
}
if ($value_qid != 0) {
// not token masterFieldname
$value_qa = getQuestionAttributeValues($value_qid, $value_type);
}
if ($fieldisdisplayed === true && isset($value_qa) && (isset($value_qa['array_filter']) && trim($value_qa['array_filter']) != '' || isset($value_qa['array_filter_exclude']) && trim($value_qa['array_filter_exclude']) != '')) {
// check if array_filter//array_filter_exclude have hidden the field
$value_code = preg_replace("/{$masterFieldName}(.*)/", "\$1", $value);
//If this question is a multi-flexible, the value_code will be both the array_filter value
// (at the beginning) and then a labelset value after an underscore
// ie: 2_1 for answer code=2 and labelset code=1 then 2_2 for answer_code=2 and
// labelset code=2. So for these question types we need to split it again at the underscore!
// 1. Find out if this is question type ":" or ";"
if ($value_type == ";" || $value_type == ":") {
list($value_code, $value_label) = explode("_", $value_code);
}
if (isset($value_qa['array_filter_exclude'])) {
$arrayfilterXcludes_selected_codes = getArrayFilterExcludesForQuestion($value_qid);
if ($arrayfilterXcludes_selected_codes !== false && in_array($value_code, $arrayfilterXcludes_selected_codes)) {
$fieldisdisplayed = false;
}
} elseif (isset($value_qa['array_filter'])) {
$arrayfilter_selected_codes = getArrayFiltersForQuestion($value_qid);
if ($arrayfilter_selected_codes !== false && !in_array($value_code, $arrayfilter_selected_codes)) {
$fieldisdisplayed = false;
}
}
}
return $fieldisdisplayed;
}
function return_array_filter_exclude_strings($ia, $qidattributes, $thissurvey, $ansrow, $rowname, $trbc='', $valuename, $method="tbody", $class=null) {
/* DO ARRAY_FILTER_EXCLUDE ATTRIBUTE
We set the $hiddenfield for each answer, and the value of this is available to java to let javascripts
know whether each answer is currently being displayed. $htmltbody2 determines whether the answer row
should be displayed initially. If no answers for the source question have been selected then the whole
answer row should start in the display-on position. */
$htmltbody2 = '';
$hiddenfield= '';
if (
(trim($qidattributes['array_filter_exclude'])!='' && // the array_filter attribute is set
$thissurvey['format'] == 'G' && // and the survey is being presented group by group
getArrayFiltersExcludesOutGroup($ia[0]) == false // and this question _is_ in the current group for the array filter (ie it's on the same page)
) || // OR
(trim($qidattributes['array_filter_exclude'])!='' && // the array_filter attribute is set
$thissurvey['format'] == 'A' // and the survey is being presented all on one page
)
)
{
$htmltbody2 = "\n\n\t<$method id='javatbd$rowname'>\n";
if($ia[4]=="1") {
//This is an array dual scale question and we have to massage the tbidpslay rowname
$hiddenfield = "<input type='hidden' name='tbdisp$rowname#0' id='tbdisp$rowname#0' value='on' />\n";
$hiddenfield .= "<input type='hidden' name='tbdisp$rowname#1' id='tbdisp$rowname#1' value='on' />\n";
} else {
$hiddenfield = "<input type='hidden' name='tbdisp$rowname' id='tbdisp$rowname' value='on' />\n";
}
} else if
(
(trim($qidattributes['array_filter_exclude'])!='' &&
$thissurvey['format'] == 'S'
) ||
(trim($qidattributes['array_filter_exclude'])!='' &&
$thissurvey['format'] == 'G' &&
getArrayFiltersExcludesOutGroup($ia[0]) == true
)
)
{
$selected = getArrayFilterExcludesForQuestion($ia[0]);
if (isset($ansrow['code'])) $ansrow['title'] = $ansrow['code'];
if (!empty($selected) && !in_array($ansrow['title'],$selected))
{
$htmltbody2 = "\n\n\t<$method id='javatbd$rowname'>\n";
if($ia[4]=="1") {
//This is an array dual scale question and we have to massage the tbidpslay rowname
$hiddenfield = "<input type='hidden' name='tbdisp$rowname#0' id='tbdisp$rowname#0' value='on' />\n";
$hiddenfield .= "<input type='hidden' name='tbdisp$rowname#1' id='tbdisp$rowname#1' value='on' />\n";
} else {
$hiddenfield="<input type='hidden' name='tbdisp$rowname' id='tbdisp$rowname' value='on' />";
}
}
else
{
$htmltbody2 = "\n\n\t<$method id='javatbd$rowname' style='display: none'>";
if($ia[4]=="1") {
//This is an array dual scale question and we have to massage the tbidpslay rowname
$hiddenfield = "<input type='hidden' name='tbdisp$rowname#0' id='tbdisp$rowname#0' value='off' />\n";
$hiddenfield .= "<input type='hidden' name='tbdisp$rowname#1' id='tbdisp$rowname#1' value='off' />\n";
} else {
$hiddenfield="\n<input type='hidden' name='tbdisp$rowname' id='tbdisp$rowname' value='off' />";
}
$_SESSION[$valuename]=''; //Remove any saved results for this since it is no longer being displayed
}
}
else
{
$htmltbody2 = "\n\n\t<$method id='javatbd$rowname' style='display: none'>\n";
if($ia[4]=="1") {
//This is an array dual scale question and we have to massage the tbidpslay rowname
$hiddenfield = "<input type='hidden' name='tbdisp$rowname#0' id='tbdisp$rowname#0' value='off' />\n";
$hiddenfield .= "<input type='hidden' name='tbdisp$rowname#1' id='tbdisp$rowname#1' value='off' />\n";
} else {
$hiddenfield = "<input type='hidden' name='tbdisp$rowname' id='tbdisp$rowname' value='off' />";
}
}
//End of array_filter attribute
return array($htmltbody2, $hiddenfield);
}