--- loncom/interface/lonnavmaps.pm 2001/09/25 18:24:37 1.17 +++ loncom/interface/lonnavmaps.pm 2002/03/16 08:56:53 1.32 @@ -1,6 +1,30 @@ # The LearningOnline Network with CAPA # Navigate Maps Handler # +# $Id: lonnavmaps.pm,v 1.32 2002/03/16 08:56:53 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 { @@ -76,500 +103,629 @@ 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 { + 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; } + } + } - 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; } - $ctext.=' excused'; - } + return 'p'.$code.$tcode.'"'.$ctext.'"'; +} - } sort keys %opendate; - return 'p'.$code.$tcode.'"'.$ctext.'"'; +sub addresource { + my ($resource,$sofar,$rid,$showtypes,$indent,$linkid)=@_; + if ($showtypes eq 'problems') { + if ($resource!~/\.(problem|exam|quiz|assess|survey|form)$/) { + return; + } + } + my $brepriv=&Apache::lonnet::allowed('bre',$resource); + if ($hash{'src_'.$rid}) { + if (($brepriv eq '2') || ($brepriv eq 'F')) { + my $pprefix=''; + if ($resource=~/\.(problem|exam|quiz|assess|survey|form)$/) { + $pprefix=&astatus($rid); + } + $$sofar++; + if ($indent) { $pprefix='i'.$indent.','.$pprefix; } + if ($linkid) { $pprefix='l'.$linkid.','.$pprefix; } + if (defined($rows[$$sofar])) { + $rows[$$sofar].='&'.$pprefix.$rid; + } else { + $rows[$$sofar]=$pprefix.$rid; + } + } + } } +sub followlinks () { + my ($rid,$sofar,$beenhere,$further,$showtypes,$indent,$linkid)=@_; + 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; } + } + } + my $col=0; + &Apache::lonxml::debug("following links -$next-"); + foreach (split(/\,/,$next)) { + my ($nextlinkid,$condval)=split(/\:/,$_); + if ($condval>=$mincond) { + my $now=&tracetable($sofar,$hash{'goesto_'.$nextlinkid}, + $beenhere,$showtypes,$indent,$linkid); + if ($now>$further) { + if ($col>0) { + my $string; + for(my $i=0;$i<$col;$i++) { $string.='&'; } + for(my $i=$further+1;$now-1>$i;$i++) { + $rows[$i]=$string.$rows[$i]; + } + } + $further=$now; + } + } + $col++; + } + return $further; +} # ------------------------------------------------------------ Build page table sub tracetable { - my ($sofar,$rid,$beenhere)=@_; + my ($sofar,$rid,$beenhere,$showtypes,$indent,$linkid)=@_; + my $newshowtypes=$showtypes; + my $newlinkid=$linkid; 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(/\,/,$next); + #$Apache::lonxml::debug=1; + &Apache::lonxml::debug("$rid ; $linkid ; $sofar ; $beenhere ; ".$hash{'src_'.$rid}); + if ($beenhere=~/\&$rid\&/) { return $further; } + $beenhere.=$rid.'&'; + + if (defined($hash{'is_map_'.$rid})) { + $sofar++; + my $tprefix=''; + if ($hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}} + eq 'sequence') { + $tprefix='h'; + } elsif ($hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}} + eq 'page') { + $tprefix='j'; + if ($indent) { $tprefix='i'.$indent.','.$tprefix; } + $newshowtypes='problems'; + $indent++; + $newlinkid=$rid; + } + 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}}))) { + my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}}; + $sofar=&tracetable($sofar,$hash{'map_start_'.$hash{'src_'.$rid}}, + '&'.$frid.'&',$newshowtypes,$indent,$newlinkid); + &addresource($hash{'src_'.$frid},\$sofar,$frid,$newshowtypes, + $indent,$newlinkid); + if ($tprefix =~ /j$/) { $indent--; } + } + } else { + &addresource($hash{'src_'.$rid},\$sofar,$rid,$showtypes, + $indent,$linkid); + } - } + if (defined($hash{'to_'.$rid})) { + $further=&followlinks($rid,$sofar,$beenhere,$further,$showtypes, + $indent,$linkid); } + return $further; } # ================================================================ 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.'&','',0); + 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]) { + &Apache::lonxml::debug("Row $i is:".$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 $indent;my $indentstr; + my $linkid; + my $rid=$colcont[$j]; + my $add=''; + my $hwk=''; + my $hwke=''; + if ($rid=~/^l(\d+\.\d+),(.+)/) { $linkid=$1; $rid=$2; } + if ($rid=~/^i(\d+),(.+)/) { $indent=$1; $rid=$2; } + if ($rid=~/^h(.+)/) { + $rid=$1; + $add=''; + } + if ($rid=~/^j(.+)/) { $rid=$1; } + if ($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; + } + } + } + if ($indent) { + my $is="  "; + for(my $i=-1;$i<$indent;$i++) { $indentstr.=$is; } + } + if (!$linkid) { $linkid=$rid; } + $r->print($add.$indentstr. + ''.$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;