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common_functions.php
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common_functions.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.
*
* $Id:$
* Files Purpose: lots of common functions
*/
/**
* getqtypelist() Returns list of question types available in LimeSurvey. Edit this if you are adding a new
* question type
*
* @global string $publicurl
* @global string $sourcefrom
*
* @param string $SelectedCode Value of the Question Type (defaults to "T")
* @param string $ReturnType Type of output from this function (defaults to selector)
*
* @return depending on $ReturnType param, returns a straight "array" of question types, or an <option></option> list
*
* Explanation of questiontype array:
*
* description : Question description
* subquestions : 0= Does not support subquesitons 1=Supports subquestions
* answerscales : 0= Does not need answers x=Number of answer scales (usually 1, but e.g. for dual scale question set to 2)
*/
function getqtypelist($SelectedCode = "T", $ReturnType = "selector")
{
global $publicurl;
global $sourcefrom, $clang;
if (!isset($clang))
{
$clang = new limesurvey_lang("en");
}
$qtypes = array(
"1"=>array('description'=>$clang->gT("Array Dual Scale"),
'subquestions'=>1,
'assessable'=>1,
'hasdefaultvalues'=>0,
'answerscales'=>2),
"5"=>array('description'=>$clang->gT("5 Point Choice"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"A"=>array('description'=>$clang->gT("Array (5 Point Choice)"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
"B"=>array('description'=>$clang->gT("Array (10 Point Choice)"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
"C"=>array('description'=>$clang->gT("Array (Yes/No/Uncertain)"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
"D"=>array('description'=>$clang->gT("Date"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"E"=>array('description'=>$clang->gT("Array (Increase/Same/Decrease)"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
"F"=>array('description'=>$clang->gT("Array"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>1),
"G"=>array('description'=>$clang->gT("Gender"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"H"=>array('description'=>$clang->gT("Array by column"),
'hasdefaultvalues'=>0,
'subquestions'=>1,
'assessable'=>1,
'answerscales'=>1),
"I"=>array('description'=>$clang->gT("Language Switch"),
'hasdefaultvalues'=>0,
'subquestions'=>0,
'assessable'=>0,
'answerscales'=>0),
"K"=>array('description'=>$clang->gT("Multiple Numerical Input"),
'hasdefaultvalues'=>0,
'subquestions'=>1,
'assessable'=>1,
'answerscales'=>0),
"L"=>array('description'=>$clang->gT("List (Radio)"),
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>1,
'answerscales'=>1),
"M"=>array('description'=>$clang->gT("Multiple Options"),
'subquestions'=>1,
'hasdefaultvalues'=>1,
'assessable'=>1,
'answerscales'=>0),
"N"=>array('description'=>$clang->gT("Numerical Input"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"O"=>array('description'=>$clang->gT("List with comment"),
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>1,
'answerscales'=>1),
"P"=>array('description'=>$clang->gT("Multiple Options With Comments"),
'subquestions'=>1,
'hasdefaultvalues'=>1,
'assessable'=>1,
'answerscales'=>0),
"Q"=>array('description'=>$clang->gT("Multiple Short Text"),
'subquestions'=>1,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"R"=>array('description'=>$clang->gT("Ranking"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>1),
"S"=>array('description'=>$clang->gT("Short Free Text"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"T"=>array('description'=>$clang->gT("Long Free Text"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"U"=>array('description'=>$clang->gT("Huge Free Text"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"X"=>array('description'=>$clang->gT("Boilerplate Question"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"Y"=>array('description'=>$clang->gT("Yes/No"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"!"=>array('description'=>$clang->gT("List (Dropdown)"),
'subquestions'=>0,
'hasdefaultvalues'=>1,
'assessable'=>1,
'answerscales'=>1),
":"=>array('description'=>$clang->gT("Array (Numbers)"),
'subquestions'=>2,
'hasdefaultvalues'=>0,
'assessable'=>1,
'answerscales'=>0),
";"=>array('description'=>$clang->gT("Array (Texts)"),
'subquestions'=>2,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
"|"=>array('description'=>$clang->gT("File Upload"),
'subquestions'=>0,
'hasdefaultvalues'=>0,
'assessable'=>0,
'answerscales'=>0),
);
asort($qtypes);
if ($ReturnType == "array") {return $qtypes;}
$qtypeselecter = "";
foreach($qtypes as $TypeCode=>$TypeProperties)
{
$qtypeselecter .= "<option value='$TypeCode'";
if ($SelectedCode == $TypeCode) {$qtypeselecter .= " selected='selected'";}
$qtypeselecter .= ">{$TypeProperties['description']}</option>\n";
}
return $qtypeselecter;
}
/**
* isStandardTemplate returns true if a template is a standard template
* This function does not check if a template actually exists
*
* @param mixed $sTemplateName template name to look for
* @return bool True if standard template, otherwise false
*/
function isStandardTemplate($sTemplateName)
{
return in_array($sTemplateName,array('basic',
'bluengrey',
'business_grey',
'clear_logo',
'default',
'eirenicon',
'limespired',
'mint_idea',
'sherpa',
'vallendar'));
}
function &db_execute_num($sql,$inputarr=false)
{
global $connect;
$connect->SetFetchMode(ADODB_FETCH_NUM);
$dataset=$connect->Execute($sql,$inputarr); //Checked
return $dataset;
}
function &db_select_limit_num($sql,$numrows=-1,$offset=-1,$inputarr=false)
{
global $connect;
$connect->SetFetchMode(ADODB_FETCH_NUM);
$dataset=$connect->SelectLimit($sql,$numrows,$offset,$inputarr=false) or safe_die($sql);
return $dataset;
}
function &db_execute_assoc($sql,$inputarr=false,$silent=false)
{
global $connect;
$connect->SetFetchMode(ADODB_FETCH_ASSOC);
$dataset=$connect->Execute($sql,$inputarr); //Checked
if (!$silent && !$dataset) {safe_die($connect->ErrorMsg().':'.$sql);}
return $dataset;
}
function &db_select_limit_assoc($sql,$numrows=-1,$offset=-1,$inputarr=false,$dieonerror=true)
{
global $connect;
$connect->SetFetchMode(ADODB_FETCH_ASSOC);
$dataset=$connect->SelectLimit($sql,$numrows,$offset,$inputarr=false);
if (!$dataset && $dieonerror) {safe_die($connect->ErrorMsg().':'.$sql);}
return $dataset;
}
/**
* Returns the first row of values of the $sql query result
* as a 1-dimensional array
*
* @param mixed $sql
*/
function &db_select_column($sql)
{
global $connect;
$connect->SetFetchMode(ADODB_FETCH_NUM);
$dataset=$connect->Execute($sql);
$resultarray=array();
while ($row = $dataset->fetchRow()) {
$resultarray[]=$row[0];
}
return $resultarray;
}
/**
* This functions quotes fieldnames accordingly
*
* @param mixed $id Fieldname to be quoted
*/
function db_quote_id($id)
{
global $databasetype;
// WE DONT HAVE nor USE other thing that alfanumeric characters in the field names
// $quote = $connect->nameQuote;
// return $quote.str_replace($quote,$quote.$quote,$id).$quote;
switch ($databasetype)
{
case "mysqli" :
case "mysql" :
return "`".$id."`";
break;
case "mssql_n" :
case "mssql" :
case "mssqlnative" :
case "odbc_mssql" :
return "[".$id."]";
break;
case "postgres":
return "\"".$id."\"";
break;
default:
return "`".$id."`";
}
}
function db_random()
{
global $connect,$databasetype;
if ($databasetype=='odbc_mssql' || $databasetype=='mssql_n' || $databasetype=='odbtp') {$srandom='NEWID()';}
else {$srandom=$connect->random;}
return $srandom;
}
function db_quote($str,$ispostvar=false)
// This functions escapes the string only inside
{
global $connect;
if ($ispostvar) { return $connect->escape($str, get_magic_quotes_gpc());}
else {return $connect->escape($str);}
}
function db_quoteall($str,$ispostvar=false)
// This functions escapes the string inside and puts quotes around the string according to the used db type
// IF you are quoting a variable from a POST/GET then set $ispostvar to true so it doesnt get quoted twice.
{
global $connect;
if ($ispostvar) { return $connect->qstr($str, get_magic_quotes_gpc());}
else {return $connect->qstr($str);}
}
function db_table_name($name)
{
global $dbprefix;
return db_quote_id($dbprefix.$name);
}
/**
* returns the table name without quotes
*
* @param mixed $name
*/
function db_table_name_nq($name)
{
global $dbprefix;
return $dbprefix.$name;
}
/**
* Return a sql statement for finding LIKE named tables
*
* @param mixed $table
*/
function db_select_tables_like($table)
{
global $databasetype;
switch ($databasetype) {
case 'mysqli':
case 'mysql' :
return "SHOW TABLES LIKE '$table'";
case 'odbtp' :
case 'mssql_n' :
case 'odbc_mssql' :
return "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES where TABLE_TYPE='BASE TABLE' and TABLE_NAME LIKE '$table'";
case 'postgres' :
return "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public' and table_name like '$table'";
default: safe_die ("Couldn't create 'select tables like' query for connection type 'databaseType'");
}
}
/**
* Return a boolean stating if the table(s) exist(s)
* Accepts '%' in names since it uses the 'like' statement
*
* @param mixed $table
*/
function db_tables_exist($table)
{
global $connect;
$surveyHasTokensTblQ = db_select_tables_like("$table");
$surveyHasTokensTblResult = db_execute_num($surveyHasTokensTblQ); //Checked
if ($surveyHasTokensTblResult->RecordCount() >= 1)
{
return TRUE;
}
else
{
return FALSE;
}
}
/**
* getsurveylist() Queries the database (survey table) for a list of existing surveys
*
* @param mixed $returnarray boolean - if set to true an array instead of an HTML option list is given back
*
* @global string $surveyid
* @global string $dbprefix
* @global string $scriptname
* @global string $connect
* @global string $clang
*
* @return string This string is returned containing <option></option> formatted list of existing surveys
*
*/
function getsurveylist($returnarray=false,$returnwithouturl=false)
{
global $surveyid, $dbprefix, $scriptname, $connect, $clang, $timeadjust;
static $cached = null;
if(is_null($cached)) {
$surveyidquery = " SELECT a.*, surveyls_title, surveyls_description, surveyls_welcometext, surveyls_url "
." FROM ".db_table_name('surveys')." AS a "
. "INNER JOIN ".db_table_name('surveys_languagesettings')." on (surveyls_survey_id=a.sid and surveyls_language=a.language) ";
if ($_SESSION['USER_RIGHT_SUPERADMIN'] != 1)
{
$surveyidquery .= " INNER JOIN ".db_table_name('surveys_rights')." AS b ON a.sid = b.sid ";
$surveyidquery .= "WHERE b.uid =".$_SESSION['loginID'];
}
$surveyidquery .= " order by active DESC, surveyls_title";
$surveyidresult = db_execute_assoc($surveyidquery); //Checked
if (!$surveyidresult) {return "Database Error";}
$surveynames = $surveyidresult->GetRows();
$cached=$surveynames;
} else {
$surveynames = $cached;
}
$surveyselecter = "";
if ($returnarray===true) return $surveynames;
$activesurveys='';
$inactivesurveys='';
$expiredsurveys='';
if ($surveynames)
{
foreach($surveynames as $sv)
{
$surveylstitle=FlattenText($sv['surveyls_title']);
if (strlen($surveylstitle)>45)
{
$surveylstitle = htmlspecialchars(mb_strcut(html_entity_decode($surveylstitle,ENT_QUOTES,'UTF-8'), 0, 45, 'UTF-8'))."...";
}
if($sv['active']!='Y')
{
$inactivesurveys .= "<option ";
if($_SESSION['loginID'] == $sv['owner_id'])
{
$inactivesurveys .= " style=\"font-weight: bold;\"";
}
if ($sv['sid'] == $surveyid)
{
$inactivesurveys .= " selected='selected'"; $svexist = 1;
}
if ($returnwithouturl===false)
{
$inactivesurveys .=" value='$scriptname?sid={$sv['sid']}'>{$surveylstitle}</option>\n";
} else
{
$inactivesurveys .=" value='{$sv['sid']}'>{$surveylstitle}</option>\n";
}
} elseif($sv['expires']!='' && $sv['expires'] < date_shift(date("Y-m-d H:i:s"), "Y-m-d H:i:s", $timeadjust))
{
$expiredsurveys .="<option ";
if ($_SESSION['loginID'] == $sv['owner_id'])
{
$expiredsurveys .= " style=\"font-weight: bold;\"";
}
if ($sv['sid'] == $surveyid)
{
$expiredsurveys .= " selected='selected'"; $svexist = 1;
}
if ($returnwithouturl===false)
{
$expiredsurveys .=" value='$scriptname?sid={$sv['sid']}'>{$surveylstitle}</option>\n";
} else
{
$expiredsurveys .=" value='{$sv['sid']}'>{$surveylstitle}</option>\n";
}
} else
{
$activesurveys .= "<option ";
if($_SESSION['loginID'] == $sv['owner_id'])
{
$activesurveys .= " style=\"font-weight: bold;\"";
}
if ($sv['sid'] == $surveyid)
{
$activesurveys .= " selected='selected'"; $svexist = 1;
}
if ($returnwithouturl===false)
{
$activesurveys .=" value='$scriptname?sid={$sv['sid']}'>{$surveylstitle}</option>\n";
} else
{
$activesurveys .=" value='{$sv['sid']}'>{$surveylstitle}</option>\n";
}
}
} // End Foreach
}
//Only show each activesurvey group if there are some
if ($activesurveys!='')
{
$surveyselecter .= "<optgroup label='".$clang->gT("Active")."' class='activesurveyselect'>\n";
$surveyselecter .= $activesurveys . "</optgroup>";
}
if ($expiredsurveys!='')
{
$surveyselecter .= "<optgroup label='".$clang->gT("Expired")."' class='expiredsurveyselect'>\n";
$surveyselecter .= $expiredsurveys . "</optgroup>";
}
if ($inactivesurveys!='')
{
$surveyselecter .= "<optgroup label='".$clang->gT("Inactive")."' class='inactivesurveyselect'>\n";
$surveyselecter .= $inactivesurveys . "</optgroup>";
}
if (!isset($svexist))
{
$surveyselecter = "<option selected='selected'>".$clang->gT("Please Choose...")."</option>\n".$surveyselecter;
} else
{
if ($returnwithouturl===false)
{
$surveyselecter = "<option value='$scriptname?sid='>".$clang->gT("None")."</option>\n".$surveyselecter;
} else
{
$surveyselecter = "<option value=''>".$clang->gT("None")."</option>\n".$surveyselecter;
}
}
return $surveyselecter;
}
/**
* getQuestions() queries the database for an list of all questions matching the current survey and group id
*
* @global string $surveyid
* @global string $gid
* @global string $selectedqid
*
* @return This string is returned containing <option></option> formatted list of questions in the current survey and group
*/
function getQuestions($surveyid,$gid,$selectedqid)
{
global $scriptname, $clang;
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$qquery = 'SELECT * FROM '.db_table_name('questions')." WHERE sid=$surveyid AND gid=$gid AND language='{$s_lang}' and parent_qid=0 order by question_order";
$qresult = db_execute_assoc($qquery); //checked
$qrows = $qresult->GetRows();
if (!isset($questionselecter)) {$questionselecter="";}
foreach ($qrows as $qrow)
{
$qrow['title'] = strip_tags($qrow['title']);
$questionselecter .= "<option value='$scriptname?sid=$surveyid&gid=$gid&qid={$qrow['qid']}'";
if ($selectedqid == $qrow['qid']) {$questionselecter .= " selected='selected'"; $qexists="Y";}
$questionselecter .=">{$qrow['title']}:";
$questionselecter .= " ";
$question=FlattenText($qrow['question']);
if (strlen($question)<35)
{
$questionselecter .= $question;
}
else
{
$questionselecter .= htmlspecialchars(mb_strcut(html_entity_decode($question,ENT_QUOTES,'UTF-8'), 0, 35, 'UTF-8'))."...";
}
$questionselecter .= "</option>\n";
}
if (!isset($qexists))
{
$questionselecter = "<option selected='selected'>".$clang->gT("Please Choose...")."</option>\n".$questionselecter;
}
return $questionselecter;
}
/**
* Gets number of groups inside a particular survey
*
* @param string $surveyid
* @param mixed $lang
*/
function getGroupSum($surveyid, $lang)
{
global $surveyid,$dbprefix ;
$sumquery3 = "SELECT * FROM ".db_table_name('groups')." WHERE sid=$surveyid AND language='".$lang."'"; //Getting a count of questions for this survey
$sumresult3 = db_execute_assoc($sumquery3); //Checked
$groupscount = $sumresult3->RecordCount();
return $groupscount ;
}
/**
* Gets number of questions inside a particular group
*
* @param string $surveyid
* @param mixed $groupid
*/
function getQuestionSum($surveyid, $groupid)
{
global $surveyid,$dbprefix ;
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$sumquery3 = "SELECT * FROM ".db_table_name('questions')." WHERE gid=$groupid and sid=$surveyid AND language='{$s_lang}'"; //Getting a count of questions for this survey
$sumresult3 = db_execute_assoc($sumquery3); //Checked
$questionscount = $sumresult3->RecordCount();
return $questionscount ;
}
/**
* getMaxgrouporder($surveyid) queries the database for the maximum sortorder of a group.
*
* @param mixed $surveyid
* @global string $surveyid
*/
function getMaxgrouporder($surveyid)
{
global $surveyid ;
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$max_sql = "SELECT max( group_order ) AS max FROM ".db_table_name('groups')." WHERE sid =$surveyid AND language='{$s_lang}'" ;
$max_result =db_execute_assoc($max_sql) ; //Checked
$maxrow = $max_result->FetchRow() ;
$current_max = $maxrow['max'];
if($current_max=="")
{
return "0" ;
}
else return ++$current_max ;
}
/**
* getGroupOrder($surveyid,$gid) queries the database for the sortorder of a group.
*
* @param mixed $surveyid
* @param mixed $gid
* @return mixed
*/
function getGroupOrder($surveyid,$gid)
{
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$grporder_sql = "SELECT group_order FROM ".db_table_name('groups')." WHERE sid =$surveyid AND language='{$s_lang}' AND gid=$gid" ;
$grporder_result =db_execute_assoc($grporder_sql); //Checked
$grporder_row = $grporder_result->FetchRow() ;
$group_order = $grporder_row['group_order'];
if($group_order=="")
{
return "0" ;
}
else return $group_order ;
}
/**
* getMaxquestionorder($gid) queries the database for the maximum sortorder of a question.
*
* @global string $surveyid
*/
function getMaxquestionorder($gid)
{
global $surveyid ;
$gid=sanitize_int($gid);
$s_lang = GetBaseLanguageFromSurveyID($surveyid);
$max_sql = "SELECT max( question_order ) AS max FROM ".db_table_name('questions')." WHERE gid='$gid' AND language='$s_lang'";
$max_result =db_execute_assoc($max_sql) ; //Checked
$maxrow = $max_result->FetchRow() ;
$current_max = $maxrow['max'];
if($current_max=="")
{
return "0" ;
}
else return $current_max ;
}
/**
* question_class() returns a class name for a given question type to allow custom styling for each question type.
*
* @param string $input containing unique character representing each question type.
* @return string containing the class name for a given question type.
*/
function question_class($input)
{
switch($input)
{ // I think this is a bad solution to adding classes to question
// DIVs but I can't think of a better solution. (eric_t_cruiser)
case 'X': return 'boilerplate'; // BOILERPLATE QUESTION
case '5': return 'choice-5-pt-radio'; // 5 POINT CHOICE radio-buttons
case 'D': return 'date'; // DATE
case 'Z': return 'list-radio-flexible'; // LIST Flexible radio-button
case 'L': return 'list-radio'; // LIST radio-button
case 'W': return 'list-dropdown-flexible'; // LIST drop-down (flexible label)
case '!': return 'list-dropdown'; // List - dropdown
case 'O': return 'list-with-comment'; // LIST radio-button + textarea
case 'R': return 'ranking'; // RANKING STYLE
case 'M': return 'multiple-opt'; // MULTIPLE OPTIONS checkbox
case 'I': return 'language'; // Language Question
case 'P': return 'multiple-opt-comments'; // MULTIPLE OPTIONS WITH COMMENTS checkbox + text
case 'Q': return 'multiple-short-txt'; // TEXT
case 'K': return 'numeric-multi'; // MULTIPLE NUMERICAL QUESTION
case 'N': return 'numeric'; // NUMERICAL QUESTION TYPE
case 'S': return 'text-short'; // SHORT FREE TEXT
case 'T': return 'text-long'; // LONG FREE TEXT
case 'U': return 'text-huge'; // HUGE FREE TEXT
case 'Y': return 'yes-no'; // YES/NO radio-buttons
case 'G': return 'gender'; // GENDER drop-down list
case 'A': return 'array-5-pt'; // ARRAY (5 POINT CHOICE) radio-buttons
case 'B': return 'array-10-pt'; // ARRAY (10 POINT CHOICE) radio-buttons
case 'C': return 'array-yes-uncertain-no'; // ARRAY (YES/UNCERTAIN/NO) radio-buttons
case 'E': return 'array-increase-same-decrease'; // ARRAY (Increase/Same/Decrease) radio-buttons
case 'F': return 'array-flexible-row'; // ARRAY (Flexible) - Row Format
case 'H': return 'array-flexible-column'; // ARRAY (Flexible) - Column Format
// case '^': return 'slider'; // SLIDER CONTROL
case ':': return 'array-multi-flexi'; // ARRAY (Multi Flexi) 1 to 10
case ";": return 'array-multi-flexi-text';
case "1": return 'array-flexible-duel-scale'; // Array dual scale
default: return 'generic_question'; // Should have a default fallback
};
};
if(!defined('COLSTYLE'))
{
/**
* The following prepares and defines the 'COLSTYLE' constant which
* dictates how columns are to be marked up for list type questions.
*
* $column_style is initialised at the end of config-defaults.php or from within config.php
*/
if( !isset($column_style) ||
$column_style != 'css' ||
$column_style != 'ul' ||
$column_style != 'table' ||
$column_style != null )
{
$column_style = 'ul';
};
define('COLSTYLE' ,strtolower($column_style), true);
};
function setup_columns($columns, $answer_count)
{
/**
* setup_columns() defines all the html tags to be wrapped around
* various list type answers.
*
* @param integer $columns - the number of columns, usually supplied by $dcols
* @param integer $answer_count - the number of answers to a question, usually supplied by $anscount
* @return array with all the various opening and closing tags to generate a set of columns.
*
* It returns an array with the following items:
* $wrapper['whole-start'] = Opening wrapper for the whole list
* $wrapper['whole-end'] = closing wrapper for the whole list
* $wrapper['col-devide'] = normal column devider
* $wrapper['col-devide-last'] = the last column devider (to allow
* for different styling of the last
* column
* $wrapper['item-start'] = opening wrapper tag for individual
* option
* $wrapper['item-start-other'] = opening wrapper tag for other
* option
* $wrapper['item-end'] = closing wrapper tag for individual
* option
* $wrapper['maxrows'] = maximum number of rows in each
* column
* $wrapper['cols'] = Number of columns to be inserted
* (and checked against)
*
* It also expect the constant COLSTYLE which sets how columns should
* be rendered.
*
* COLSTYLE is defined 30 lines above.
*
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* Columns are a problem.
* Really there is no perfect solution to columns at the moment.
*
* - Using Tables is problematic semanticly.
* - Using inline or float to create columns, causes the answers
* flows horizontally, not vertically which is not ideal visually.
* - Using CSS3 columns is also a problem because of browser support
* and also because if you have answeres split across two or more
* lines, and those answeres happen to fall at the bottom of a
* column, the answer might be split across columns as well as
* lines.
* - Using nested unordered list with the first level of <LI>s
* floated is the same as using tables and so is bad semantically
* for the same reason tables are bad.
* - Breaking the unordered lists into consecutive floated unordered
* lists is not great semantically but probably not as bad as
* using tables.
*
* Because I haven't been able to decide which option is the least
* bad, I have handed over that responsibility to the admin who sets
* LimeSurvey up on their server.
*
* There are four options:
* 'css' using one of the various CSS only methods for
* rendering columns.
* (Check the CSS file for your chosen template to see
* how columns are defined.)
* 'ul' using multiple floated unordered lists. (DEFAULT)
* 'table' using conventional tables based layout.
* NULL blocks the use of columns
*
* 'ul' is the default because it's the best possible compromise
* between semantic markup and visual layout.
*/
$colstyle = COLSTYLE;
/*
if(defined('PRINT_TEMPLATE')) // This forces tables based columns for printablesurvey
{
$colstyle = 'table';
};
*/
if($columns < 2)
{
$colstyle = null;
$columns = 1;
}
if($columns > $answer_count)
{
$columns = $answer_count;
};
$columns = ceil($answer_count/ceil($answer_count/$columns)); // # of columns is # of answers divided by # of rows (all rounded up)
$class_first = '';
if($columns > 1 && $colstyle != null)
{
if($colstyle == 'ul')
{
$ul = '-ul';
}
else
{
$ul = '';
}
$class_first = ' class="cols-'.$columns . $ul.' first"';
$class = ' class="cols-'.$columns . $ul.'"';
$class_last_ul = ' class="cols-'.$columns . $ul.' last"';
$class_last_table = ' class="cols-'.$columns.' last"';
}
else
{
$class = '';
$class_last_ul = '';
$class_last_table = '';
};
$wrapper = array(
'whole-start' => "\n<ul$class_first>\n"
,'whole-end' => "</ul>\n"
,'col-devide' => ''
,'col-devide-last' => ''
,'item-start' => "\t<li>\n"
,'item-start-other' => "\t<li class=\"other\">\n"
,'item-end' => "\t</li>\n"
,'maxrows' => ceil($answer_count/$columns) //Always rounds up to nearest whole number
,'cols' => $columns
);
switch($colstyle)
{
case 'ul': if($columns > 1)
{
$wrapper['col-devide'] = "\n</ul>\n\n<ul$class>\n";
$wrapper['col-devide-last'] = "\n</ul>\n\n<ul$class_last_ul>\n";
}
break;
case 'table': $table_cols = '';
for($cols = $columns ; $cols > 0 ; --$cols)
{
switch($cols)
{
case $columns: $table_cols .= "\t<col$class_first />\n";
break;
case 1: $table_cols .= "\t<col$class_last_table />\n";
break;
default: $table_cols .= "\t<col$class />\n";
};
};
if($columns > 1)
{
$wrapper['col-devide'] = "\t</ul>\n</td>\n\n<td>\n\t<ul>\n";
$wrapper['col-devide-last'] = "\t</ul>\n</td>\n\n<td class=\"last\">\n\t<ul>\n";
};
$wrapper['whole-start'] = "\n<table$class>\n$table_cols\n\t<tbody>\n<tr>\n<td>\n\t<ul>\n";
$wrapper['whole-end'] = "\t</ul>\n</td>\n</tr>\n\t</tbody>\n</table>\n";
$wrapper['item-start'] = "<li>\n";
$wrapper['item-end'] = "</li>\n";
};
return $wrapper;
};
function alternation($alternate = '' , $type = 'col')
{
/**
* alternation() Returns a class identifyer for alternating between
* two options. Used to style alternate elements differently. creates
* or alternates between the odd string and the even string used in
* as column and row classes for array type questions.
*
* @param string $alternate = '' (empty) (default) , 'array2' , 'array1' , 'odd' , 'even'
* @param string $type = 'col' (default) or 'row'
*
* @return string representing either the first alternation or the opposite alternation to the one supplied..
*/
/*
// The following allows type to be left blank for row in subsequent
// function calls.
// It has been left out because 'row' must be defined the first time
// alternation() is called. Since it is only ever written once for each
// while statement within a function, 'row' is always defined.
if(!empty($alternate) && $type != 'row')
{ if($alternate == ('array2' || 'array1'))
{
$type = 'row';
};
};
// It has been left in case it becomes useful but probably should be
// removed.
*/
if($type == 'row')
{
$odd = 'array2'; // should be row_odd
$even = 'array1'; // should be row_even
}
else
{
$odd = 'odd'; // should be col_odd
$even = 'even'; // should be col_even
};
if($alternate == $odd)
{
$alternate = $even;
}
else
{
$alternate = $odd;
};
return $alternate;
}
/**
* longest_string() returns the length of the longest string past to it.
* @peram string $new_string
* @peram integer $longest_length length of the (previously) longest string passed to it.
* @return integer representing the length of the longest string passed (updated if $new_string was longer than $longest_length)
*
* usage should look like this: $longest_length = longest_string( $new_string , $longest_length );
*
*/
function longest_string( $new_string , $longest_length )
{
if($longest_length < strlen(trim(strip_tags($new_string))))
{
$longest_length = strlen(trim(strip_tags($new_string)));
};
return $longest_length;
};
/**
* getNotificationlist() returns different options for notifications
*
* @param string $notificationcode - the currently selected one
*
* @return This string is returned containing <option></option> formatted list of notification methods for current survey
*/
function getNotificationlist($notificationcode)
{
global $clang;
$ntypes = array(
"0"=>$clang->gT("No email notification"),
"1"=>$clang->gT("Basic email notification"),