--- loncom/interface/lonnavmaps.pm 2001/01/11 16:25:40 1.6
+++ loncom/interface/lonnavmaps.pm 2002/09/03 20:46:30 1.47
@@ -1,6 +1,30 @@
# The LearningOnline Network with CAPA
# Navigate Maps Handler
#
+# $Id: lonnavmaps.pm,v 1.47 2002/09/03 20:46:30 bowersj2 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
@@ -9,13 +33,17 @@
# 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23,
# 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 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;
@@ -23,6 +51,26 @@ use GDBM_File;
my %hash;
my @rows;
+#
+# These cache hashes need to be independent of user, resource and course
+# (user and course can/should be in the keys)
+#
+
+my %courserdatas;
+my %userrdatas;
+
+#
+# These global hashes are dependent on user, course and resource,
+# and need to be initialized every time when a sheet is calculated
+#
+my %courseopt;
+my %useropt;
+my %parmhash;
+
+# This parameter keeps track of whether obtaining the user's information
+# failed, which the colorizer in astatus can use
+my $networkFailedFlag = 0;
+
# ------------------------------------------------------------------ Euclid gcd
sub euclid {
@@ -36,205 +84,703 @@ sub euclid {
return $b;
}
+# --------------------------------------------------------------------- Parmval
+
+# -------------------------------------------- Figure out a cascading parameter
+#
+# For this function to work
+#
+# * parmhash needs to be tied
+# * courseopt and useropt need to be initialized for this user and course
+#
+
+sub parmval {
+ my ($what,$symb)=@_;
+ my $cid=$ENV{'request.course.id'};
+ my $csec=$ENV{'request.course.sec'};
+ my $uname=$ENV{'user.name'};
+ my $udom=$ENV{'user.domain'};
+
+ unless ($symb) { return ''; }
+ my $result='';
+
+ my ($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.'.'.$mapparm;
+
+# ---------------------------------------------------------- first, check user
+ if ($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}; }
+
+# ----------------------------------------------------- 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=0;
+ my $ctext='';
+ $rid=~/(\d+)\.(\d+)/;
+ my $symb=&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'.
+ &Apache::lonnet::declutter($hash{'src_'.$rid});
+ my %duedate=();
+ my %opendate=();
+ my %answerdate=();
+ # need to always check part 0's open/due/answer status
+ foreach (sort(split(/\,/,&Apache::lonnet::metadata($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);
+ }
+ }
+ my $now=time;
+ my $tcode=0;
+
+ my %returnhash=&Apache::lonnet::restore($symb);
+
+ 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.'"';
+}
+
+
+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 $further=$sofar;
- unless ($beenhere=~/\&$rid\&/) {
- $beenhere.=$rid.'&';
-
- if (defined($hash{'is_map_'.$rid})) {
- $sofar++;
- if (defined($rows[$sofar])) {
- $rows[$sofar].='&h'.$rid;
- } else {
- $rows[$sofar]='h'.$rid;
- }
- if ((defined($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.'&');
- $sofar++;
- if ($hash{'src_'.$frid}) {
- my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$frid});
- if (($brepriv eq '2') || ($brepriv eq 'F')) {
- if (defined($rows[$sofar])) {
- $rows[$sofar].='&'.$frid;
- } else {
- $rows[$sofar]=$frid;
- }
- }
- }
- }
- } else {
- $sofar++;
- if ($hash{'src_'.$rid}) {
- my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$rid});
- if (($brepriv eq '2') || ($brepriv eq 'F')) {
- if (defined($rows[$sofar])) {
- $rows[$sofar].='&'.$rid;
- } else {
- $rows[$sofar]=$rid;
- }
- }
- }
- }
-
- if (defined($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.','.$tprefix; }
+ if ($linkid) { $tprefix='l'.$linkid.','.$tprefix; }
+ $newshowtypes='problems';
+ $indent++;
+ #if in a .page continue to link the encompising .page
+ if (!$linkid) { $linkid=$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,$linkid);
+ &addresource($hash{'src_'.$frid},\$sofar,$frid,$newshowtypes,
+ $indent,$linkid);
+ if ($tprefix =~ /j$/) { $indent--; $linkid=''; }
+ }
+ } else {
+ &addresource($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)) {
+ 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_'.
+ &Apache::lonnet::clutter($ENV{'request.course.uri'})};
+ my $lastres=$hash{'map_finish_'.
+ &Apache::lonnet::clutter($ENV{'request.course.uri'})};
+ if (!(($firstres) && ($lastres))) {
+ $r->print('Coursemap undefined.');
+ } else {
+
# ----------------------------------------------------------------- Render page
+# -------------------------------------------------------------- Set parameters
+
- @rows=();
+# ---------------------------- initialize coursedata and userdata for this user
+ 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 $userprefix=$uname.'_'.$udom.'_';
+
+ unless ($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;
+ }
+ else
+ {
+ $networkFailedFlag = 1;
+ }
+ }
+ foreach (split(/\&/,$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.'___'.$udom.'.last_cache'}=time;
+ }
+ }
+ foreach (split(/\&/,$userrdatas{$uname.'___'.$udom})) {
+ my ($name,$value)=split(/\=/,$_);
+ $useropt{$userprefix.&Apache::lonnet::unescape($name)}=
+ &Apache::lonnet::unescape($value);
+ }
+ }
- &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]=''.$lastres;
- }
- }
+ @rows=();
+
+ &tracetable(0,$firstres,'&','',0);
# ------------------------------------------------------------------ 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) {
+ $r->print('Empty Map.');
+ } else {
- unless ($contents) {
- $r->content_type('text/html');
- $r->send_http_header;
- $r->print('Empty Map.');
- } else {
# ------------------------------------------------------------------ Build page
+ 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(''.
- '
'.
- 'Navigate Course Map
');
- $r->rflush();
+ 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
+ my $bodytagadd='';
+ $r->print(
+ 'Navigate Course Map');
+ if (($currenturl=~/^\/res/) &&
+ ($currenturl!~/^\/res\/adm/)) {
+ $bodytagadd='onLoad="window.location.hash='."'curloc'".'"';
+ }
+ $r->print(&Apache::loncommon::bodytag('Navigate Course Map','',
+ $bodytagadd));
+ $r->print('');
+ my $desc=$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+ if (defined($desc)) { $r->print("$desc
\n"); }
+ $r->print("$date
\n");
+ $r->rflush();
+ $r->print('
New discussion since '.
+ localtime($lastcheck).
+ '
New message (click to open)');
+ if (($currenturl=~/^\/res/) &&
+ ($currenturl!~/^\/res\/adm/)) {
+ $r->print('Current Location
');
+ }
+
+ # Handle a network error
+
+ if ($networkFailedFlag)
+ {
+ $r->print('
LON-CAPA network failure.
'."\n");
+ $r->print("LON-CAPA's network is having difficulties, some problem" .
+ " information, such as due dates, will not be available.");
+ }
+# ----------------------------------------------------- The little content list
+ for ($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}.
+ '
');
+ }
+ }
+ }
+ }
# ----------------------------------------------------------------- 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 $add='| ';
- if ($rid=~/^h(.+)/) {
- $rid=$1;
- $add=' | ';
- }
- $r->print($add.''.
- $hash{'title_'.$rid}.'');
- $r->print('');
- }
- $r->print(' |
');
- }
- }
- $r->print("\n
");
-
- $r->print('');
+ $r->print('
');
+ for ($i=0;$i<=$#rows;$i++) {
+ if ($rows[$i]) {
+ $r->print("\n");
+ my @colcont=split(/\&/,$rows[$i]);
+ my $avespan=$lcm/($#colcont+1);
+
+ # for each item I wish to print on this row...
+ for ($j=0;$j<=$#colcont;$j++) {
+ my $indent;my $indentstr;
+ my $linkid;
+ my $rid=$colcont[$j];
+ $rid=~/(\d+)\.(\d+)$/;
+ my $src=
+ &Apache::lonnet::declutter($hash{'src_'.$1.'.'.$2});
+ my $symb=
+ &Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'.$src;
+ my $add='| ';
+ my $adde=' | ';
+ 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='';
+ $adde=' | ';
+ if (($ENV{'user.adv'}) &&
+ ($parmhash{$symb.'.0.parameter_randompick'})) {
+ $adde=' (randomly select '.
+ $parmhash{$symb.'.0.parameter_randompick'}.
+ ')';
+ }
+ }
+ 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=$4;
+
+ # will open later
+ if ($tcode eq '1') {
+ $add='';
+ }
+
+ # solved/correct
+ if ($code eq '3') {
+ $add=' | ';
+ } elsif ($code eq '4') { # partially correct
+ $add=' | ';
+ } else {
+ # not attempted
+
+ # we end up here on network failure, so pick a neutral
+ # color if the network failed instead of bright red.
+ if ( $networkFailedFlag )
+ {
+ $add = ' | ';
+ }
+ else
+ {
+ $add=' | ';
+ }
+
+ if ($tcode eq '2') { # open, not past due
+ $add=' | ';
+ }
+
+ if ($tcode eq '4') { # due in next 24 hours
+ $add=' | ';
+ $adde=' | ';
+ }
+ }
+ $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 ($networkFailedFlag)
+ {
+ $hwke=' (status unavailable)';
+ }
+ }
+ if ($rid && $hash{'src_'.$rid} eq $currenturl) {
+ $add=$add.''.
+ '> ';
+ $adde=
+ ' <'.$adde;
+ }
+ 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; }
+ if ($hash{'randomout_'.$rid}) {
+ $adde=' (hidden)'.$adde;
+ }
+ $r->print($add.$indentstr);
+ if ($rid) {
+ $r->print(''.
+ $hwk.$hash{'title_'.$rid}.$hwke.'');
+ }
+ $r->print($adde);
+ }
+ $r->print('
');
+ }
+ }
+ $r->print("\n
");
+ $r->print('