--- loncom/interface/lonnavmaps.pm 2001/09/25 18:24:37 1.17 +++ loncom/interface/lonnavmaps.pm 2002/03/15 21:56:11 1.30 @@ -1,6 +1,30 @@ # The LearningOnline Network with CAPA # Navigate Maps Handler # +# $Id: lonnavmaps.pm,v 1.30 2002/03/15 21:56:11 albertel Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# # (Page Handler # # (TeX Content Handler @@ -10,12 +34,16 @@ # 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer) # # 3/1/1,6/1,17/1,29/1,30/1,2/8,9/21,9/24,9/25 Gerd Kortemeyer +# YEAR=2002 +# 1/1 Gerd Kortemeyer +# package Apache::lonnavmaps; use strict; use Apache::Constants qw(:common :http); use Apache::lonnet(); +use Apache::loncommon(); use HTML::TokeParser; use GDBM_File; @@ -39,7 +67,6 @@ my %courseopt; my %useropt; my %parmhash; - # ------------------------------------------------------------------ Euclid gcd sub euclid { @@ -76,153 +103,167 @@ sub parmval { my ($mapname,$id,$fn)=split(/\_\_\_/,$symb); # ----------------------------------------------------- Cascading lookup scheme - my $rwhat=$what; - $what=~s/^parameter\_//; - $what=~s/\_/\./; - - my $symbparm=$symb.'.'.$what; - my $mapparm=$mapname.'___(all).'.$what; - my $usercourseprefix=$uname.'_'.$udom.'_'.$cid; - - my $seclevel= - $usercourseprefix.'.['. - $csec.'].'.$what; - my $seclevelr= - $usercourseprefix.'.['. - $csec.'].'.$symbparm; - my $seclevelm= - $usercourseprefix.'.['. - $csec.'].'.$mapparm; - - my $courselevel= - $usercourseprefix.'.'.$what; - my $courselevelr= - $usercourseprefix.'.'.$symbparm; - my $courselevelm= - $usercourseprefix.'.'.$mapparm; - -# ---------------------------------------------------------- fourth, check user - - if ($uname) { - - if ($useropt{$courselevelr}) { return $useropt{$courselevelr}; } - - if ($useropt{$courselevelm}) { return $useropt{$courselevelm}; } - - if ($useropt{$courselevel}) { return $useropt{$courselevel}; } - - } - -# --------------------------------------------------------- third, check course - - if ($csec) { - - if ($courseopt{$seclevelr}) { return $courseopt{$seclevelr}; } - - if ($courseopt{$seclevelm}) { return $courseopt{$seclevelm}; } + my $rwhat=$what; + $what=~s/^parameter\_//; + $what=~s/\_/\./; + + my $symbparm=$symb.'.'.$what; + my $mapparm=$mapname.'___(all).'.$what; + my $usercourseprefix=$uname.'_'.$udom.'_'.$cid; + + my $seclevel= $usercourseprefix.'.['.$csec.'].'.$what; + my $seclevelr=$usercourseprefix.'.['.$csec.'].'.$symbparm; + my $seclevelm=$usercourseprefix.'.['.$csec.'].'.$mapparm; + + my $courselevel= $usercourseprefix.'.'.$what; + my $courselevelr=$usercourseprefix.'.'.$symbparm; + my $courselevelm=$usercourseprefix.'.'.$mapparm; + +# ---------------------------------------------------------- first, check user + if ($uname) { + if ($useropt{$courselevelr}) { return $useropt{$courselevelr}; } + if ($useropt{$courselevelm}) { return $useropt{$courselevelm}; } + if ($useropt{$courselevel}) { return $useropt{$courselevel}; } + } +# ------------------------------------------------------- second, check course + if ($csec) { + if ($courseopt{$seclevelr}) { return $courseopt{$seclevelr}; } + if ($courseopt{$seclevelm}) { return $courseopt{$seclevelm}; } if ($courseopt{$seclevel}) { return $courseopt{$seclevel}; } - - } - - if ($courseopt{$courselevelr}) { return $courseopt{$courselevelr}; } - - if ($courseopt{$courselevelm}) { return $courseopt{$courselevelm}; } - - if ($courseopt{$courselevel}) { return $courseopt{$courselevel}; } - -# ----------------------------------------------------- second, check map parms - - my $thisparm=$parmhash{$symbparm}; - if ($thisparm) { return $thisparm; } - -# -------------------------------------------------------- first, check default + } - return &Apache::lonnet::metadata($fn,$rwhat.'.default'); - + if ($courseopt{$courselevelr}) { return $courseopt{$courselevelr}; } + if ($courseopt{$courselevelm}) { return $courseopt{$courselevelm}; } + if ($courseopt{$courselevel}) { return $courseopt{$courselevel}; } + +# ----------------------------------------------------- third, check map parms + + my $thisparm=$parmhash{$symbparm}; + if ($thisparm) { return $thisparm; } + +# ----------------------------------------------------- fourth , check default + + my $default=&Apache::lonnet::metadata($fn,$rwhat.'.default'); + if ($default) { return $default} + +# --------------------------------------------------- fifth , cascade up parts + + my ($space,@qualifier)=split(/\./,$rwhat); + my $qualifier=join('.',@qualifier); + unless ($space eq '0') { + my ($part,$id)=split(/\_/,$space); + if ($id) { + my $partgeneral=&parmval($part.".$qualifier",$symb); + if ($partgeneral) { return $partgeneral; } + } else { + my $resourcegeneral=&parmval("0.$qualifier",$symb); + if ($resourcegeneral) { return $resourcegeneral; } + } + } + return ''; } # ------------------------------------------------------------- Find out status - +# return codes +# tcode (timecode) +# 1: will open later +# 2: is open and not past due yet +# 3: is past due date +# 4: due in the next 24 hours +# +# code (curent solved status) +# 1: not attempted +# 2: attempted but wrong, or incorrect by instructor +# 3: solved or correct by instructor +# 4: partially correct (one or more parts correct) +# "excused" needs to be supported, but is not yet. sub astatus { my $rid=shift; - my $code=1; + my $code=0; my $ctext=''; $rid=~/(\d+)\.(\d+)/; my $symb=&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'. - &Apache::lonnet::declutter($hash{'src_'.$rid}); - + &Apache::lonnet::declutter($hash{'src_'.$rid}); my %duedate=(); my %opendate=(); my %answerdate=(); - map { + # need to always check part 0's open/due/answer status + foreach (sort(split(/\,/,&Apache::lonnet::metadata($hash{'src_'.$rid},'keys')))) { if ($_=~/^parameter\_(.*)\_opendate$/) { my $part=$1; $duedate{$part}=&parmval($part.'.duedate',$symb); $opendate{$part}=&parmval($part.'.opendate',$symb); $answerdate{$part}=&parmval($part.'.answerdate',$symb); } - } sort split(/\,/,&Apache::lonnet::metadata($hash{'src_'.$rid},'keys')); - + } my $now=time; my $tcode=0; my %returnhash=&Apache::lonnet::restore($symb); - map { - - my $duedate=$duedate{$_}; - my $opendate=$opendate{$_}; - my $answerdate=$answerdate{$_}; - my $preface=''; - unless ($_ eq '0') { $preface=' Part: '.$_.' '; } - if ($opendate) { - if ($now<$duedate) { - unless ($tcode==4) { $tcode=2; } - $ctext.=$preface.'Due: '.localtime($duedate); - if ($now<$opendate) { - unless ($tcode) { $tcode=1; } - $ctext.=$preface.'Open: '.localtime($opendate); - } - if ($duedate-$now<86400) { - $tcode=4; - $ctext.=$preface.'Due: '.localtime($duedate); - } - } else { - unless (($tcode==4) || ($tcode eq 2)) { $tcode=3; } - if ($now<$answerdate) { - $ctext.='Answer: '.localtime($duedate); - } - } - } else { - unless (($tcode==2) || ($tcode==4)) { $tcode=1; } - } - - my $status=$returnhash{'resource.'.$_.'.solved'}; - - if ($status eq 'correct_by_student') { - unless ($code==2) { $code=3; } - $ctext.=' solved'; - } elsif ($status eq 'correct_by_override') { - unless ($code==2) { $code=3; } - $ctext.=' override'; - } elsif ($status eq 'incorrect_attempted') { - $code=2; - $ctext.=' ('. - ($returnhash{'resource.'.$_.'.tries'}? - $returnhash{'resource.'.$_.'.tries'}:'0').'/'. - &parmval($_.'.maxtries',$symb).' tries)'; - } elsif ($status eq 'incorrect_by_override') { - $code=2; - $ctext.=' override'; - } elsif ($status eq 'excused') { - unless ($code==2) { $code=3; } - $ctext.=' excused'; - } - - } sort keys %opendate; + foreach (sort(keys(%opendate))) { + my $duedate=$duedate{$_}; + my $opendate=$opendate{$_}; + my $answerdate=$answerdate{$_}; + my $preface=''; + unless ($_ eq '0') { $preface=' Part: '.$_.' '; } + if ($opendate) { + if ($now<$duedate || (!$duedate)) { + unless ($tcode==4) { $tcode=2; } + if ($duedate) { + $ctext.=$preface.'Due: '.localtime($duedate); + } else { + $ctext.=$preface.'No Due Date'; + } + if ($now<$opendate) { + unless ($tcode) { $tcode=1; } + $ctext.=$preface.'Open: '.localtime($opendate); + } + if ($duedate && $duedate-$now<86400) { + $tcode=4; + $ctext.=$preface.'Due: '.localtime($duedate); + } + } else { + unless (($tcode==4) || ($tcode eq 2)) { $tcode=3; } + if ($now<$answerdate) { + $ctext.='Answer: '.localtime($duedate); + } + } + } else { + unless (($tcode==2) || ($tcode==4)) { $tcode=1; } + } + + my $status=$returnhash{'resource.'.$_.'.solved'}; + + if ($status eq 'correct_by_student') { + if ($code==0||$code==3) { $code=3; } else { $code=4; } + $ctext.=' solved'; + } elsif ($status eq 'correct_by_override') { + if ($code==0||$code==3) { $code=3; } else { $code=4; } + $ctext.=' override'; + } elsif ($status eq 'incorrect_attempted') { + if ($code!=4 && $code!=3) { $code=2; } + if ($code==3) { $code=4; } + $ctext.=' ('. + ($returnhash{'resource.'.$_.'.tries'}? + $returnhash{'resource.'.$_.'.tries'}:'0'); + my $numtries = &parmval($_.'.maxtries',$symb); + if ($numtries) { $ctext.='/'.$numtries.' tries'; } + $ctext.=')'; + } elsif ($status eq 'incorrect_by_override') { + if ($code!=4 && $code!=3) { $code=2; } + if ($code==3) { $code=4; } + $ctext.=' override'; + } elsif ($status eq 'excused') { + if ($code==0||$code==3) { $code=3; } else { $code=4; } + $ctext.=' excused'; + } else { + if ($code==0) { $code=1; } + } + } return 'p'.$code.$tcode.'"'.$ctext.'"'; } @@ -233,88 +274,89 @@ sub tracetable { my ($sofar,$rid,$beenhere)=@_; my $further=$sofar; unless ($beenhere=~/\&$rid\&/) { - $beenhere.=$rid.'&'; - - if (defined($hash{'is_map_'.$rid})) { - $sofar++; - my $tprefix=''; - if ($hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}} - eq 'sequence') { - $tprefix='h'; - } - if (defined($rows[$sofar])) { - $rows[$sofar].='&'.$tprefix.$rid; - } else { - $rows[$sofar]=$tprefix.$rid; - } - if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) && - (defined($hash{'map_finish_'.$hash{'src_'.$rid}})) && - ($tprefix eq 'h')) { - my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}}; - $sofar= - &tracetable($sofar,$hash{'map_start_'.$hash{'src_'.$rid}}, - '&'.$frid.'&'); - $sofar++; - if ($hash{'src_'.$frid}) { - my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$frid}); - if (($brepriv eq '2') || ($brepriv eq 'F')) { - my $pprefix=''; - if ($hash{'src_'.$frid}=~ - /\.(problem|exam|quiz|assess|survey|form)$/) { - $pprefix=&astatus($frid); - - } - if (defined($rows[$sofar])) { - $rows[$sofar].='&'.$pprefix.$frid; - } else { - $rows[$sofar]=$pprefix.$frid; - } - } - } - } - } else { - $sofar++; - if ($hash{'src_'.$rid}) { - my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$rid}); - if (($brepriv eq '2') || ($brepriv eq 'F')) { - my $pprefix=''; - if ($hash{'src_'.$rid}=~ - /\.(problem|exam|quiz|assess|survey|form)$/) { - $pprefix=&astatus($rid); - } - if (defined($rows[$sofar])) { - $rows[$sofar].='&'.$pprefix.$rid; - } else { - $rows[$sofar]=$pprefix.$rid; - } - } - } - } - - if (defined($hash{'to_'.$rid})) { - my $mincond=1; - my $next=''; - map { - my $thiscond= - &Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}}); - if ($thiscond>=$mincond) { - if ($next) { - $next.=','.$_.':'.$thiscond; - } else { - $next=$_.':'.$thiscond; - } - if ($thiscond>$mincond) { $mincond=$thiscond; } - } - } split(/\,/,$hash{'to_'.$rid}); - map { - my ($linkid,$condval)=split(/\:/,$_); - if ($condval>=$mincond) { - my $now=&tracetable($sofar,$hash{'goesto_'.$linkid},$beenhere); - if ($now>$further) { $further=$now; } - } - } split(/\,/,$next); - - } + $beenhere.=$rid.'&'; + + if (defined($hash{'is_map_'.$rid})) { + $sofar++; + my $tprefix=''; + if ($hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}} + eq 'sequence') { + $tprefix='h'; + } else { + #if it's a page we need to still pull out the problems + } + if (defined($rows[$sofar])) { + $rows[$sofar].='&'.$tprefix.$rid; + } else { + $rows[$sofar]=$tprefix.$rid; + } + if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) && + (defined($hash{'map_finish_'.$hash{'src_'.$rid}})) && + ($tprefix eq 'h')) { + my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}}; + $sofar= + &tracetable($sofar,$hash{'map_start_'.$hash{'src_'.$rid}}, + '&'.$frid.'&'); + $sofar++; + if ($hash{'src_'.$frid}) { + my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$frid}); + if (($brepriv eq '2') || ($brepriv eq 'F')) { + my $pprefix=''; + if ($hash{'src_'.$frid}=~ + /\.(problem|exam|quiz|assess|survey|form)$/) { + $pprefix=&astatus($frid); + + } + if (defined($rows[$sofar])) { + $rows[$sofar].='&'.$pprefix.$frid; + } else { + $rows[$sofar]=$pprefix.$frid; + } + } + } + } + } else { + $sofar++; + if ($hash{'src_'.$rid}) { + my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$rid}); + if (($brepriv eq '2') || ($brepriv eq 'F')) { + my $pprefix=''; + if ($hash{'src_'.$rid}=~ + /\.(problem|exam|quiz|assess|survey|form)$/) { + $pprefix=&astatus($rid); + } + if (defined($rows[$sofar])) { + $rows[$sofar].='&'.$pprefix.$rid; + } else { + $rows[$sofar]=$pprefix.$rid; + } + } + } + } + + if (defined($hash{'to_'.$rid})) { + my $mincond=1; + my $next=''; + foreach (split(/\,/,$hash{'to_'.$rid})) { + my $thiscond= + &Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}}); + if ($thiscond>=$mincond) { + if ($next) { + $next.=','.$_.':'.$thiscond; + } else { + $next=$_.':'.$thiscond; + } + if ($thiscond>$mincond) { $mincond=$thiscond; } + } + } + foreach (split(/\,/,$next)) { + my ($linkid,$condval)=split(/\:/,$_); + if ($condval>=$mincond) { + my $now=&tracetable($sofar,$hash{'goesto_'.$linkid},$beenhere); + if ($now>$further) { $further=$now; } + } + } + } } return $further; } @@ -322,254 +364,332 @@ sub tracetable { # ================================================================ Main Handler sub handler { - my $r=shift; + my $r=shift; # ------------------------------------------- Set document type for header only - if ($r->header_only) { - if ($ENV{'browser.mathml'}) { - $r->content_type('text/xml'); - } else { - $r->content_type('text/html'); - } - $r->send_http_header; - return OK; - } - - my $requrl=$r->uri; + if ($r->header_only) { + if ($ENV{'browser.mathml'}) { + $r->content_type('text/xml'); + } else { + $r->content_type('text/html'); + } + $r->send_http_header; + return OK; + } + my $requrl=$r->uri; + my $hashtied; # ----------------------------------------------------------------- Tie db file - if ($ENV{'request.course.fn'}) { - my $fn=$ENV{'request.course.fn'}; - if (-e "$fn.db") { - if ((tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) && - (tie(%parmhash,'GDBM_File', - $ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640))) { + my $fn; + if ($ENV{'request.course.fn'}) { + $fn=$ENV{'request.course.fn'}; + if (-e "$fn.db") { + if ((tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) && + (tie(%parmhash,'GDBM_File', + $ENV{'request.course.fn'}.'_parms.db', + &GDBM_READER,0640))) { + $hashtied=1; + } + } + } + if (!$hashtied) { + $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; + return HTTP_NOT_ACCEPTABLE; + } + # ------------------------------------------------------------------- Hash tied - my $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}}; - my $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}}; - if (($firstres) && ($lastres)) { + + if ($ENV{'browser.mathml'}) { + $r->content_type('text/xml'); + } else { + $r->content_type('text/html'); + } + &Apache::loncommon::no_cache($r); + $r->send_http_header; + + my $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}}; + my $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}}; + if (!(($firstres) && ($lastres))) { + $r->print('Coursemap undefined.'); + } else { + # ----------------------------------------------------------------- Render page # -------------------------------------------------------------- Set parameters # ---------------------------- initialize coursedata and userdata for this user - undef %courseopt; - undef %useropt; + undef %courseopt; + undef %useropt; - my $uname=$ENV{'user.name'}; - my $udom=$ENV{'user.domain'}; - my $uhome=$ENV{'user.home'}; - my $cid=$ENV{'request.course.id'}; - my $chome=$ENV{'course.'.$cid.'.home'}; - my ($cdom,$cnum)=split(/\_/,$cid); + my $uname=$ENV{'user.name'}; + my $udom=$ENV{'user.domain'}; + my $uhome=$ENV{'user.home'}; + my $cid=$ENV{'request.course.id'}; + my $chome=$ENV{'course.'.$cid.'.home'}; + my ($cdom,$cnum)=split(/\_/,$cid); - my $userprefix=$uname.'_'.$udom.'_'; + my $userprefix=$uname.'_'.$udom.'_'; - unless ($uhome eq 'no_host') { + unless ($uhome eq 'no_host') { # -------------------------------------------------------------- Get coursedata - unless - ((time-$courserdatas{$cid.'.last_cache'})<240) { - my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum. - ':resourcedata',$chome); - if ($reply!~/^error\:/) { - $courserdatas{$cid}=$reply; - $courserdatas{$cid.'.last_cache'}=time; - } - } - map { - my ($name,$value)=split(/\=/,$_); - $courseopt{$userprefix.&Apache::lonnet::unescape($name)}= - &Apache::lonnet::unescape($value); - } split(/\&/,$courserdatas{$cid}); + unless ((time-$courserdatas{$cid.'.last_cache'})<240) { + my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum. + ':resourcedata',$chome); + if ($reply!~/^error\:/) { + $courserdatas{$cid}=$reply; + $courserdatas{$cid.'.last_cache'}=time; + } + } + foreach (split(/\&/,$courserdatas{$cid})) { + my ($name,$value)=split(/\=/,$_); + $courseopt{$userprefix.&Apache::lonnet::unescape($name)}= + &Apache::lonnet::unescape($value); + } # --------------------------------------------------- Get userdata (if present) - unless - ((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<240) { - my $reply= - &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome); - if ($reply!~/^error\:/) { - $userrdatas{$uname.'___'.$udom}=$reply; - $userrdatas{$uname.'___'.$udom.'.last_cache'}=time; - } - } - map { - my ($name,$value)=split(/\=/,$_); - $useropt{$userprefix.&Apache::lonnet::unescape($name)}= - &Apache::lonnet::unescape($value); - } split(/\&/,$userrdatas{$uname.'___'.$udom}); - } - - @rows=(); - - &tracetable(0,$firstres,'&'.$lastres.'&'); - if ($hash{'src_'.$lastres}) { - my $brepriv= - &Apache::lonnet::allowed('bre',$hash{'src_'.$lastres}); - if (($brepriv eq '2') || ($brepriv eq 'F')) { - $rows[$#rows+1]=''.$lastres; - } - } + unless ((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<240) { + my $reply=&Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome); + if ($reply!~/^error\:/) { + $userrdatas{$uname.'___'.$udom}=$reply; + $userrdatas{$uname.'___'.$udom.'.last_cache'}=time; + } + } + foreach (split(/\&/,$userrdatas{$uname.'___'.$udom})) { + my ($name,$value)=split(/\=/,$_); + $useropt{$userprefix.&Apache::lonnet::unescape($name)}= + &Apache::lonnet::unescape($value); + } + } + + @rows=(); + + &tracetable(0,$firstres,'&'.$lastres.'&'); + if ($hash{'src_'.$lastres}) { + my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$lastres}); + if (($brepriv eq '2') || ($brepriv eq 'F')) { + $rows[$#rows+1]=''.$lastres; + } + } # ------------------------------------------------------------------ Page parms - my $j; - my $i; - my $lcm=1; - my $contents=0; + my $j; + my $i; + my $lcm=1; + my $contents=0; # ---------------------------------------------- Go through table to get layout - for ($i=0;$i<=$#rows;$i++) { - if ($rows[$i]) { - $contents++; - my @colcont=split(/\&/,$rows[$i]); - $lcm*=($#colcont+1)/euclid($lcm,($#colcont+1)); - } - } + for ($i=0;$i<=$#rows;$i++) { + if ($rows[$i]) { + $contents++; + my @colcont=split(/\&/,$rows[$i]); + $lcm*=($#colcont+1)/euclid($lcm,($#colcont+1)); + } + } - unless ($contents) { - $r->content_type('text/html'); - $r->send_http_header; - $r->print('Empty Map.'); - } else { + unless ($contents) { + $r->print('Empty Map.'); + } else { # ------------------------------------------------------------------ Build page - my $currenturl=$ENV{'form.postdata'}; - $currenturl=~s/^http\:\/\///; - $currenturl=~s/^[^\/]+//; + my $currenturl=$ENV{'form.postdata'}; + $currenturl=~s/^http\:\/\///; + $currenturl=~s/^[^\/]+//; # ---------------------------------------------------------------- Send headers - $r->content_type('text/html'); - $r->send_http_header; - $r->print( - 'Navigate LON-CAPA Maps'); - - $r->print('print(' onLoad="window.location.hash='. - "'curloc'".'"'); - } - $r->print('>'. - ''. - '

Navigate Course Map

'); - $r->rflush(); - if (($currenturl=~/^\/res/) && - ($currenturl!~/^\/res\/adm/)) { - $r->print('Current Location

'); - } + my $date=localtime; + my $now=time; +# ----------------------------------------- Get email status and discussiontime + + my %emailstatus=&Apache::lonnet::dump('email_status'); + my $logouttime=$emailstatus{'logout'}; + my $courseleave=$emailstatus{'logout_'.$ENV{'request.course.id'}}; + my $lastcheck=($courseleave>$logouttime?$courseleave:$logouttime); + + my %discussiontimes=&Apache::lonnet::dump('discussiontimes', + $cdom,$cnum); + + my %feedback=(); + my %error=(); + foreach my $msgid (split(/\&/,&Apache::lonnet::reply('keys:'. + $ENV{'user.domain'}.':'. + $ENV{'user.name'}.':nohist_email', + $ENV{'user.home'}))) { + $msgid=&Apache::lonnet::unescape($msgid); + my $plain=&Apache::lonnet::unescape(&Apache::lonnet::unescape($msgid)); + if ($plain=~/(Error|Feedback) \[([^\]]+)\]/) { + my ($what,$url)=($1,$2); + my %status= + &Apache::lonnet::get('email_status',[$msgid]); + if ($status{$msgid}=~/^error\:/) { + $status{$msgid}=''; + } + + if (($status{$msgid} eq 'new') || + (!$status{$msgid})) { + if ($what eq 'Error') { + $error{$url}.=','.$msgid; + } else { + $feedback{$url}.=','.$msgid; + } + } + } + } +# ----------------------------------------------------------- Start Page Output + $r->print('Navigate LON-CAPA Maps'); + $r->print('print(' onLoad="window.location.hash='."'curloc'".'"'); + } + $r->print('>'. + ''. + '

Navigate Course Map

'. + "

$date

"); + $r->rflush(); + $r->print(' New discussion since '. + localtime($lastcheck). + '
New message (click to open)

'); + if (($currenturl=~/^\/res/) && + ($currenturl!~/^\/res\/adm/)) { + $r->print('Current Location

'); + } # ----------------------------------------------------- The little content list - for ($i=0;$i<=$#rows;$i++) { - if ($rows[$i]) { - my @colcont=split(/\&/,$rows[$i]); - my $avespan=$lcm/($#colcont+1); - for ($j=0;$j<=$#colcont;$j++) { - my $rid=$colcont[$j]; - if ($rid=~/^h(.+)/) { - $rid=$1; - $r->print( - '   '.$hash{'title_'.$rid}.'
'); - } - } - } - } + for ($i=0;$i<=$#rows;$i++) { + if ($rows[$i]) { + my @colcont=split(/\&/,$rows[$i]); + my $avespan=$lcm/($#colcont+1); + for ($j=0;$j<=$#colcont;$j++) { + my $rid=$colcont[$j]; + if ($rid=~/^h(.+)/) { + $rid=$1; + $r->print('   '.$hash{'title_'.$rid}. + '
'); + } + } + } + } # ----------------------------------------------------------------- Start table - $r->print('

'); - for ($i=0;$i<=$#rows;$i++) { - if ($rows[$i]) { - $r->print("\n"); - my @colcont=split(/\&/,$rows[$i]); - my $avespan=$lcm/($#colcont+1); - for ($j=0;$j<=$#colcont;$j++) { - my $rid=$colcont[$j]; - my $add=''; - my $hwk=''; - my $hwke=''; - if ($rid=~/^h(.+)/) { - $rid=$1; - $add= - ''; - } - if ($rid=~/^p(\d)(\d)\"([\w\: \(\)\/\,]*)\"(.+)/) { - my $code=$1; - my $tcode=$2; - my $ctext=$3; - $rid=$4; - if ($tcode eq '1') { - $add=''; - } - } - $hwk=''; - $hwke=''; - if ($code eq '1') { - $hwke=' ('.$ctext.')'; - } - if ($code eq '2') { - $hwk=''; - $hwke=' ('.$ctext.')'; - } - if ($code eq '3') { - $hwk=''; - $hwke=' ('.$ctext.')'; - } - } - if ($hash{'src_'.$rid} eq $currenturl) { - $add=$add.''. - '-> '; - $adde= - ' <-'.$adde; - } - $r->print($add.''.$hwk. - $hash{'title_'.$rid}.$hwke.''.$adde); - } - $r->print(''); - } - } - $r->print("\n
  '; - my $adde=''; - $adde=''; - } - if ($code eq '3') { - $add=''; - } else { - $add=''; - if ($tcode eq '2') { - $add=''; - } - if ($tcode eq '4') { - $add=''; - $adde='
"); - $r->print(''); + $r->print('
'); + for ($i=0;$i<=$#rows;$i++) { + if ($rows[$i]) { + $r->print("\n"); + my @colcont=split(/\&/,$rows[$i]); + my $avespan=$lcm/($#colcont+1); + for ($j=0;$j<=$#colcont;$j++) { + my $rid=$colcont[$j]; + my $add=''; + my $hwk=''; + my $hwke=''; + if ($rid=~/^h(.+)/) { + $rid=$1; + $add=''; + } + if ($rid=~/^p(\d)(\d)\"([\w\: \(\)\/\,]*)\"(.+)/) { + # sub astatus describes what code/tcode mean + my $code=$1; + my $tcode=$2; + my $ctext=$3; + $rid=$4; + if ($tcode eq '1') { + $add=''; + } + } + $hwk=''; + $hwke=''; + if ($code eq '1') { + $hwke=' ('.$ctext.')'; + } + if ($code eq '2' || $code eq '4') { + $hwk=''; + $hwke=' ('.$ctext.')'; + } + if ($code eq '3') { + $hwk=''; + $hwke=' ('.$ctext.')'; + } + } + if ($hash{'src_'.$rid} eq $currenturl) { + $add=$add.''. + '> '; + $adde= + ' <'.$adde; + } + my $src= + &Apache::lonnet::declutter($hash{'src_'.$rid}); + $rid=~/^(\d+)\.(\d+)$/; + my $symb= + &Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'.$src; + if ($discussiontimes{$symb}>$lastcheck) { + $adde= + ''. + $adde; + } + if ($error{$src}) { + foreach (split(/\,/,$error{$src})) { + if ($_) { + $adde= + ' ' + .$adde; + } + } + } + if ($feedback{$src}) { + foreach (split(/\,/,$feedback{$src})) { + if ($_) { + $adde= + ' ' + .$adde; + } + } + } + $r->print($add.''.$hwk. + $hash{'title_'.$rid}.$hwke.''.$adde); + } + $r->print(''); + } + } + $r->print("\n
  '; + my $adde=''; + $adde=''; + } + if ($code eq '3') { + $add=''; + } elsif ($code eq '4') { + $add=''; + } else { + $add=''; + if ($tcode eq '2') { + $add=''; + } + if ($tcode eq '4') { + $add=''; + $adde='
"); + $r->print(''); # -------------------------------------------------------------------- End page - } + } # ------------------------------------------------------------- End render page - } else { - $r->content_type('text/html'); - $r->send_http_header; - $r->print('Coursemap undefined.'); - } + } # ------------------------------------------------------------------ Untie hash - unless (untie(%hash)) { - &Apache::lonnet::logthis("WARNING: ". - "Could not untie coursemap $fn (browse)."); - } - unless (untie(%parmhash)) { - &Apache::lonnet::logthis("WARNING: ". - "Could not untie parmhash (browse)."); - } -# -------------------------------------------------------------------- All done - return OK; -# ----------------------------------------------- Errors, hash could no be tied - } - } - } - - $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized"; - return HTTP_NOT_ACCEPTABLE; + unless (untie(%hash)) { + &Apache::lonnet::logthis("WARNING: ". + "Could not untie coursemap $fn (browse)."); + } + unless (untie(%parmhash)) { + &Apache::lonnet::logthis("WARNING: ". + "Could not untie parmhash (browse)."); + } + return OK; } 1; 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.