| Additional Information | Solution we implemented:
- a javascript
- some minor changes to common.php
The mousewheel stays function when the focus is NOT on a dropdownbox/listbox
(questiontypes 'W' and "!")
1.javascript: scrollmouse.js
function hookEvent(element, eventName, callback)
{
if(typeof(element) == "string")
element = document.getElementById(element);
if(element == null)
return;
if(element.addEventListener)
{
if(eventName == 'mousewheel')
element.addEventListener('DOMMouseScroll', callback, false);
element.addEventListener(eventName, callback, false);
}
else if(element.attachEvent)
element.attachEvent("on" + eventName, callback);
}
function cancelEvent(e)
{
e = e ? e : window.event;
if(e.stopPropagation)
e.stopPropagation();
if(e.preventDefault)
e.preventDefault();
e.cancelBubble = true;
e.cancel = true;
e.returnValue = false;
return false;
}
function noScroll(e)
{
e = e ? e : window.event;
cancelEvent(e);
}
-
additions to common.php
Common.php, function getFooter()
function getFooter()
//added by A2hankes
global $dbprefix, $connect,$surveyid;
$query = "SELECT CONCAT('answer$surveyid','X',gid,'X',qid) AS select_id FROM lime_questions WHERE type='W' OR TYPE='!';";
$result=db_execute_num($query) or safe_die ("Couldn't get select id's to prevent mousescroll<br />$query<br />".$connect->ErrorMsg()); //Checked
$ayh_script="<!--added by a2hankes--><script type='text/javascript'>";
while($row=$result->FetchRow())
$ayh_script.="hookEvent('".$row[0]."','mousewheel',noScroll);";
$ayh_script.="</script>";
global $embedded;
if ( !$embedded )
return "\n\n$ayh_script\n\n\t</body>\n</html>\n";
global $embedded_footerfunc;
if ( function_exists( $embedded_footerfunc ) )
$voet = $embedded_footerfunc();
return "\n\n$ayh_script".$voet;
Common.php, function getheader(), the last part
if ( !$embedded )
$header= "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n"
. "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"".$surveylanguage."\" lang=\"".$surveylanguage."\"";
if (getLanguageRTL($surveylanguage))
$header.=" dir=\"rtl\" ";
$header.= ">\n\t<head><meta http-equiv='X-UA-Compatible' content='IE=8' />\n"
. $css_header
. "\t\t<script type=\"text/javascript\" src=\"".$rooturl."/scripts/jquery/jquery.js\"></script>\n\t\t<!--added by a2hankes--><script type=\"text/javascript\" src=\"".$rooturl."/scripts/scrollmouse.js\"></script>\n"
. $js_header;
return $header;
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