# The LearningOnline Network with CAPA
# Handler to set parameters for assessments
#
# (Handler to resolve ambiguous file locations
#
# (TeX Content Handler
#
# 05/29/00,05/30,10/11 Gerd Kortemeyer)
#
# 10/11,10/12,10/16 Gerd Kortemeyer)
#
# 11/20,11/21,11/22,11/23,11/24,11/25 Gerd Kortemeyer
package Apache::lonparmset;
use strict;
use Apache::lonnet;
use Apache::Constants qw(:common :http REDIRECT);
use GDBM_File;
use Apache::lonmeta;
my %courseopt;
my %useropt;
my %bighash;
my %parmhash;
my @outpar;
my @ids;
my %symbp;
my %mapp;
my %typep;
my $uname;
my $udom;
my $uhome;
my $csec;
my $fcat;
# -------------------------------------------- Figure out a cascading parameter
sub parmval {
my ($what,$id,$def)=@_;
my $result='';
@outpar=();
# ----------------------------------------------------- Cascading lookup scheme
my $symbparm=$symbp{$id}.'.'.$what;
my $mapparm=$mapp{$id}.'___(all).'.$what;
my $seclevel=
$ENV{'request.course.id'}.'.['.
$ENV{'request.course.sec'}.'].'.$what;
my $seclevelr=
$ENV{'request.course.id'}.'.['.
$ENV{'request.course.sec'}.'].'.$symbparm;
my $seclevelm=
$ENV{'request.course.id'}.'.['.
$ENV{'request.course.sec'}.'].'.$mapparm;
my $courselevel=
$ENV{'request.course.id'}.'.'.$what;
my $courselevelr=
$ENV{'request.course.id'}.'.'.$symbparm;
my $courselevelm=
$ENV{'request.course.id'}.'.'.$mapparm;
# -------------------------------------------------------- first, check default
if ($def) { $outpar[11]=$def;
$result=11; }
# ----------------------------------------------------- second, check map parms
my $thisparm=$parmhash{$symbparm};
if ($thisparm) { $outpar[10]=$thisparm;
$result=10; }
# --------------------------------------------------------- third, check course
if ($courseopt{$courselevel}) { $outpar[9]=$courseopt{$courselevel};
$result=9; }
if ($courseopt{$courselevelm}) { $outpar[8]=$courseopt{$courselevelm};
$result=8; }
if ($courseopt{$courselevelr}) { $outpar[7]=$courseopt{$courselevelr};
$result=7; }
if ($csec) {
if ($courseopt{$seclevel}) { $outpar[6]=$courseopt{$seclevel};
$result=6; }
if ($courseopt{$seclevelm}) { $outpar[5]=$courseopt{$seclevelm};
$result=5; }
if ($courseopt{$seclevelr}) { $outpar[4]=$courseopt{$seclevelr};
$result=4; }
}
# ---------------------------------------------------------- fourth, check user
if ($uname) {
if ($useropt{$courselevel}) { $outpar[3]=$useropt{$courselevel};
$result=3; }
if ($useropt{$courselevelm}) { $outpar[2]=$useropt{$courselevelm};
$result=2; }
if ($useropt{$courselevelr}) { $outpar[1]=$useropt{$courselevelr};
$result=1; }
}
return $result;
}
# ---------------------------------------------------------------- Sort routine
sub bycat {
if ($fcat eq '') {
$a<=>$b;
} else {
&parmval('0.'.$fcat,$a)<=>&parmval('0.'.$fcat,$b);
}
}
# ------------------------------------------------------------ Output for value
sub valout {
my ($value,$type)=@_;
return
($value?(($type=~/^date/)?localtime($value):$value):' ');
}
# -------------------------------------------------------- Produces link anchor
sub plink {
my ($type,$dis,$value,$marker,$return,$call)=@_;
return '<a href="javascript:pjump('."'".$type."','".$dis."','".$value."','"
.$marker."','".$return."','".$call."'".');">'.
&valout($value,$type).'</a>';
}
# ================================================================ Main Handler
sub handler {
my $r=shift;
if ($r->header_only) {
$r->content_type('text/html');
$r->send_http_header;
return OK;
}
# ----------------------------------------------------- Needs to be in a course
if (($ENV{'request.course.fn'}) &&
(&Apache::lonnet::allowed('opa',$ENV{'request.course.id'}))) {
# -------------------------------------------------------- Variable declaration
%courseopt=();
%useropt=();
%bighash=();
@ids=();
%symbp=();
%typep=();
my $message='';
$csec=$ENV{'form.csec'};
$udom=$ENV{'form.udom'};
my $id=$ENV{'form.id'};
if (($id) && ($udom)) {
$uname=(&Apache::lonnet::idget($udom,$id))[1];
if ($uname) {
$id='';
} else {
$message=
"<h3><font color=red>Unknown ID '$id' at domain '$udom'</font></h3>";
}
} else {
$uname=$ENV{'form.uname'};
}
unless ($udom) { $uname=''; }
$uhome='';
if ($uname) {
$uhome=&Apache::lonnet::homeserver($uname,$udom);
if ($uhome eq 'no_host') {
$message=
"<h3><font color=red>Unknown user '$uname' at domain '$udom'</font></h3>";
$uname='';
} else {
$csec=&Apache::lonnet::usection(
$udom,$uname,$ENV{'request.course.id'});
if ($csec eq '-1') {
$message="<h3><font color=red>".
"User '$uname' at domain '$udom' not in this course</font></h3>";
$uname='';
$csec=$ENV{'form.csec'};
} else {
my %name=&Apache::lonnet::userenvironment($udom,$uname,
('firstname','middlename','lastname','generation','id'));
$message="\n<p>\nFull Name: ".
$name{'firstname'}.' '.$name{'middlename'}
.$name{'lastname'}.' '.$name{'generation'}.
"<br>\nID: ".$name{'id'}.'<p>';
}
}
}
unless ($csec) { $csec=''; }
$fcat=$ENV{'form.fcat'};
unless ($fcat) { $fcat=''; }
# ------------------------------------------------------------------- Tie hashs
if ((tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
&GDBM_READER,0640)) &&
(tie(%parmhash,'GDBM_File',
$ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640))) {
# -------------------------------------------------------------- Get coursedata
my $reply=&Apache::lonnet::reply('dump:'.
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'.
$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.':resourcedata',
$ENV{'course.'.$ENV{'request.course.id'}.'.home'});
if ($reply!~/^error\:/) {
map {
my ($name,$value)=split(/\=/,$_);
$courseopt{unescape($name)}=unescape($value);
} split(/\&/,$reply);
}
# --------------------------------------------------- Get userdata (if present)
if ($uname) {
my $reply=
&Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
if ($reply!~/^error\:/) {
map {
my ($name,$value)=split(/\=/,$_);
$useropt{unescape($name)}=unescape($value);
} split(/\&/,$reply);
}
}
# --------------------------------------------------------- Get all assessments
map {
if ($_=~/^src\_(\d+)\.(\d+)$/) {
my $mapid=$1;
my $resid=$2;
my $id=$mapid.'.'.$resid;
if ($bighash{$_}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
$ids[$#ids+1]=$id;
$typep{$id}=$1;
$mapp{$id}=
&Apache::lonnet::declutter($bighash{'map_id_'.$mapid});
$symbp{$id}=$mapp{$id}.
'___'.$resid.'___'.
&Apache::lonnet::declutter($bighash{$_});
}
}
} keys %bighash;
# ------------------------------------------------------------------- Sort this
@ids=sort bycat @ids;
# ------------------------------------------------------------------ Start page
$r->content_type('text/html');
$r->send_http_header;
$r->print(<<ENDHEAD);
<html>
<head>
<title>LON-CAPA Assessment Parameters</title>
<script>
function pclose() {
parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
"height=350,width=350,scrollbars=no,menubar=no");
parmwin.close();
}
function pjump(type,dis,value,marker,ret,call) {
parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
+"&value="+escape(value)+"&marker="+escape(marker)
+"&return="+escape(ret)
+"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
"height=350,width=350,scrollbars=no,menubar=no");
}
</script>
</head>
<body bgcolor="#FFFFFF" onUnload="pclose()">
<h1>Set Assessment Parameters</h1>
<form method="post" action="/adm/parmset" name="parmform">
<h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
<b>
Section/Group:
<input type="text" value="$csec" size="6" name="csec">
<br>
For User
<input type="text" value="$uname" size="12" name="uname">
or ID
<input type="text" value="$id" size="12" name="id">
at Domain
<input type="text" value="$udom" size="6" name="udom">
</b>
<input type="submit" value="Display">
ENDHEAD
$r->print($message.'<p>Sort list by ');
$r->print('<select name="fcat" onChange="this.form.submit();">');
my $k;
my @sopt=('map','Map','name','Problem Name','deadline','Deadline');
for ($k=0;$k<$#sopt;$k=$k+2) {
$r->print('<option value="'.$sopt[$k].'"');
if ($fcat eq $sopt[$k]) { $r->print(' selected'); }
$r->print('>'.$sopt[$k+1].'</option>');
}
$r->print('</select>');
# ----------------------------------------------------------------- Start Table
my $coursespan=$csec?8:5;
$r->print(<<ENDTABLEHEAD);
<p><table border=2>
<tr><td colspan=5></td>
<th colspan=$coursespan>Any User</th>
ENDTABLEHEAD
if ($uname) {
$r->print("<th colspan=3 rowspan=2>User $uname at Domain $udom</th>");
}
$r->print(<<ENDTABLETWO);
<th rowspan=3>Parameter in Effect</th></tr><tr><td colspan=5></td>
<th colspan=2>Resource Level</th>
<th colspan=3>in Course</th>
ENDTABLETWO
if ($csec) {
$r->print("<th colspan=3>in Section/Group $csec</th>");
}
$r->print(<<ENDTABLEHEADFOUR);
</tr><tr><th>Assessment URL and Title</th><th>Type</th>
<th>Enclosing Map</th><th>Part No.</th><th>Parameter Name</th>
<th>default</th><th>from Enclosing Map</th>
<th>general</th><th>for Enclosing Map</th><th>for Resource</th>
ENDTABLEHEADFOUR
if ($csec) {
$r->print('<th>general</th><th>for Enclosing Map</th><th>for Resource</th>');
}
if ($uname) {
$r->print('<th>general</th><th>for Enclosing Map</th><th>for Resource</th>');
}
$r->print('</tr><tr>');
map {
# ------------------------------------------------------ Entry for one resource
@outpar=();
my $rid=$_;
my $thistitle='';
my %name= ('0_deadline' => 'deadline');
my %part= ('0_deadline' => '0');
my %display=('0_deadline' => 'Deadline');
my %type= ('0_deadline' => 'date_end');
my %default=('0_deadline' => time);
my %metadata=&Apache::lonmeta::unpackagemeta(
&Apache::lonnet::getfile('/home/httpd/html/'.$bighash{'src_'.$rid}.'.meta'),1);
map {
if ($_=~/^parameter\_(\d+)\_(\w+)$/) {
my $hashid=$1.'_'.$2;
$part{$hashid}=$1;
$name{$hashid}=$2;
my $tdef;
($tdef,$display{$hashid})=
split(/\_\_dis\_\_/,$metadata{$_});
($type{$hashid},$default{$hashid})=split(/\:/,$tdef);
unless ($display{$hashid}) {
$display{$hashid}=$name{$hashid};
}
}
if ($_ eq 'title') {
$thistitle=$metadata{$_};
}
} keys %metadata;
my $totalparms=scalar keys %name;
$r->print('<td rowspan='.$totalparms.'><tt><font size=-1>'.
join(' / ',split(/\//,&Apache::lonnet::declutter($bighash{'src_'.$rid}))).
'</font></tt><p><b>'.
$bighash{'title_'.$rid});
if ($thistitle) {
$r->print(' ('.$thistitle.')');
}
$r->print('</b></td>');
$r->print('<td rowspan='.$totalparms.'>'.$typep{$rid}.'</td>');
$r->print('<td rowspan='.$totalparms.'><tt><font size=-1>'.
join(' / ',split(/\//,$mapp{$rid})).'</font></tt></td>');
map {
my $result=&parmval($part{$_}.'.'.$name{$_},$rid,$default{$_});
$r->print("<td>$part{$_}</td><td>$display{$_}</td>");
my $mprefix=$rid.'&'.$_.'&';
$r->print('<td'.(($result==11)?' bgcolor="#AAFFAA"':'').'>'.
&valout($outpar[11],$type{$_}).'</td>');
$r->print('<td'.(($result==10)?' bgcolor="#AAFFAA"':'').'>'.
&valout($outpar[10],$type{$_}).'</td>');
$r->print('<td'.(($result==9)?' bgcolor="#AAFFAA"':'').'>'.
&plink($type{$_},$display{$_},$outpar[9],$mprefix.'9').'</td>');
$r->print('<td'.(($result==8)?' bgcolor="#AAFFAA"':'').'>'.
&plink($type{$_},$display{$_},$outpar[8],$mprefix.'8').'</td>');
$r->print('<td'.(($result==7)?' bgcolor="#AAFFAA"':'').'>'.
&plink($type{$_},$display{$_},$outpar[7],$mprefix.'7').'</td>');
if ($csec) {
$r->print('<td'.(($result==6)?' bgcolor="#AAFFAA"':'').'>'.
&plink($type{$_},$display{$_},$outpar[6],$mprefix.'6').'</td>');
$r->print('<td'.(($result==5)?' bgcolor="#AAFFAA"':'').'>'.
&plink($type{$_},$display{$_},$outpar[5],$mprefix.'5').'</td>');
$r->print('<td'.(($result==4)?' bgcolor="#AAFFAA"':'').'>'.
&plink($type{$_},$display{$_},$outpar[4],$mprefix.'4').'</td>');
}
if ($uname) {
$r->print('<td'.(($result==3)?' bgcolor="#AAFFAA"':'').'>'.
&plink($type{$_},$display{$_},$outpar[3],$mprefix.'3').'</td>');
$r->print('<td'.(($result==2)?' bgcolor="#AAFFAA"':'').'>'.
&plink($type{$_},$display{$_},$outpar[2],$mprefix.'2').'</td>');
$r->print('<td'.(($result==1)?' bgcolor="#AAFFAA"':'').'>'.
&plink($type{$_},$display{$_},$outpar[1],$mprefix.'1').'</td>');
}
$r->print('<td>'.&valout($outpar[$result],$type{$_}).'</td>');
$r->print("</tr>\n<tr>");
} sort keys %name;
# -------------------------------------------------- End entry for one resource
} @ids;
$r->print('</table></form></body></html>');
untie(%bighash);
untie(%parmhash);
}
} else {
# ----------------------------- Not in a course, or not allowed to modify parms
$ENV{'user.error.msg'}=
"/adm/parmset:opa:0:0:Cannot modify assessment parameters";
return HTTP_NOT_ACCEPTABLE;
}
return OK;
}
1;
__END__
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