--- loncom/interface/lonfeedback.pm 2001/02/05 17:38:17 1.2 +++ loncom/interface/lonfeedback.pm 2004/08/10 18:25:53 1.115 @@ -1,153 +1,3060 @@ # The LearningOnline Network # Feedback # -# (Internal Server Error Handler +# $Id: lonfeedback.pm,v 1.115 2004/08/10 18:25:53 sakharuk Exp $ # -# (Login Screen -# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, -# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer) +# Copyright Michigan State University Board of Trustees # -# 3/1/1 Gerd Kortemeyer) +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). # -# 3/1,2/3,2/5 Gerd Kortemeyer +# 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/ +# +### + package Apache::lonfeedback; use strict; use Apache::Constants qw(:common); +use Apache::lonmsg(); +use Apache::loncommon(); +use Apache::lontexconvert(); +use Apache::lonlocal; # must not have () +use Apache::lonhtmlcommon(); +use HTML::LCParser(); +use Apache::lonspeller(); -sub handler { - my $r = shift; - $r->content_type('text/html'); - $r->send_http_header; - return OK if $r->header_only; +sub discussion_open { + my ($status)=@_; + if (defined($status) && + !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' + || $status eq 'OPEN')) { + return 0; + } + my $close=&Apache::lonnet::EXT('resource.0.discussend'); + if (defined($close) && $close ne '' && $close < time) { + return 0; + } + return 1; +} - my $feedurl=$ENV{'form.postdata'}; - $feedurl=~s/^http\:\/\///; - $feedurl=~s/^$ENV{'SERVER_NAME'}//; - $feedurl=~s/^$ENV{'HTTP_HOST'}//; +sub discussion_visible { + my ($status)=@_; + if (not &discussion_open($status)) { + my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); + if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { + return 0; + } + } + return 1; +} - if (($feedurl=~/^\/res/) || ($ENV{'request.course.id'})) { -# --------------------------------------------------- Print login screen header - unless ($ENV{'form.sendit'}) { - my $options=''; - if ($feedurl=~/^\/res/) { - $options= - '
Feedback to resource author';
- }
- if ($ENV{'course.'.$ENV{'request.course.id'}.'.question.email'}) {
- $options.=
- '
Question about resource content';
- }
- if ($ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}) {
- $options.=
- '
'.
- 'Question/Comment/Feedback about course content';
- }
- if ($ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'}) {
- $options.=
- '
'.
- 'Question/Comment/Feedback about course policy';
+sub list_discussion {
+ my ($mode,$status,$symb)=@_;
+ my $outputtarget=$ENV{'form.grade_target'};
+ if (not &discussion_visible($status)) { return ''; }
+ my @bgcols = ("#cccccc","#eeeeee");
+ my $discussiononly=0;
+ if ($mode eq 'board') { $discussiononly=1; }
+ unless ($ENV{'request.course.id'}) { return ''; }
+ my $crs='/'.$ENV{'request.course.id'};
+ my $cid=$ENV{'request.course.id'};
+ if ($ENV{'request.course.sec'}) {
+ $crs.='_'.$ENV{'request.course.sec'};
+ }
+ $crs=~s/\_/\//g;
+ unless ($symb) {
+ $symb=&Apache::lonnet::symbread();
+ }
+ unless ($symb) { return ''; }
+ my %usernamesort = ();
+ my %namesort =();
+ my %subjectsort = ();
+# backward compatibility (bulletin boards used to be 'wrapped')
+ my $ressymb=$symb;
+ if ($mode eq 'board') {
+ unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
+ $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
+ }
+ }
+
+# Get discussion display settings for this discussion
+ my $lastkey = $ressymb.'_lastread';
+ my $showkey = $ressymb.'_showonlyunread';
+ my $markkey = $ressymb.'_showonlyunmark',
+ my $visitkey = $ressymb.'_visit';
+ my $ondispkey = $ressymb.'_markondisp';
+ my $userpickkey = $ressymb.'_userpick';
+ my $toggkey = $ressymb.'_readtoggle';
+ my $readkey = $ressymb.'_read';
+
+ my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$ENV{'user.domain'},$ENV{'user.name'});
+ my %discinfo = ();
+ my $showonlyunread = 0;
+ my $showunmark = 0;
+ my $markondisp = 0;
+ my $prevread = 0;
+ my $previous = 0;
+ my $visit = 0;
+ my $newpostsflag = 0;
+ my @posters = split/\&/,$dischash{$userpickkey};
+
+# Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']);
+ my $sortposts = $ENV{'form.sortposts'};
+ my $rolefilter = $ENV{'form.rolefilter'};
+ my $statusfilter = $ENV{'form.statusfilter'};
+ my $sectionpick = $ENV{'form.sectionpick'};
+ my $totposters = $ENV{'form.totposters'};
+ $previous = $ENV{'form.previous'};
+ if ($previous > 0) {
+ $prevread = $previous;
+ } elsif (defined($dischash{$lastkey})) {
+ unless ($dischash{$lastkey} eq '') {
+ $prevread = $dischash{$lastkey};
}
- $r->print(<
/g;
+ $message=&Apache::lontexconvert::msgtexconverted($message);
+ if ($idx > 0) {
+ if ($contrib{$idx.':subject'} =~ /^
Deleted by poster (student).';
+ }
+ }
+ my $screenname=&Apache::loncommon::screenname(
+ $contrib{$idx.':sendername'},
+ $contrib{$idx.':senderdomain'});
+ my $plainname=&Apache::loncommon::nickname(
+ $contrib{$idx.':sendername'},
+ $contrib{$idx.':senderdomain'});
+
+ my $sender=&mt('Anonymous');
+# Set up for sorting by subject
+ if ($contrib{$idx.':subject'} eq '') {
+ if (defined($subjectsort{'__No subject'})) {
+ push @{$subjectsort{'__No subject'}}, $idx;
+ } else {
+ @{$subjectsort{'__No subject'}} = ("$idx");
+ }
+ } else {
+ if (defined($subjectsort{$contrib{$idx.':subject'}})) {
+ push @{$subjectsort{$contrib{$idx.':subject'}}}, $idx;
+ } else {
+ @{$subjectsort{$contrib{$idx.':subject'}}} = ("$idx");
+ }
+ }
+ if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
+ $sender=&Apache::loncommon::aboutmewrapper(
+ $plainname,
+ $contrib{$idx.':sendername'},
+ $contrib{$idx.':senderdomain'}).' ('.
+ $contrib{$idx.':sendername'}.' at '.
+ $contrib{$idx.':senderdomain'}.')';
+ if ($contrib{$idx.':anonymous'}) {
+ $sender.=' ['.&mt('anonymous').'] '.
+ $screenname;
+ }
+# Set up for sorting by domain, then username
+ unless (defined($usernamesort{$contrib{$idx.':senderdomain'}})) {
+ %{$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
+ }
+ if (defined($usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
+ push @{$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx;
+ } else {
+ @{$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
+ }
+# Set up for sorting by last name, then first name
+ my %names = &Apache::lonnet::get('environment',['firstname','lastname'],
+ $contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
+ my $lastname = $names{'lastname'};
+ my $firstname = $names{'firstname'};
+ if ($lastname eq '') {
+ $lastname = '_';
+ }
+ if ($firstname eq '') {
+ $firstname = '_';
+ }
+ unless (defined($namesort{$lastname})) {
+ %{$namesort{$lastname}} = ();
+ }
+ if (defined($namesort{$lastname}{$firstname})) {
+ push @{$namesort{$lastname}{$firstname}}, $idx;
+ } else {
+ @{$namesort{$lastname}{$firstname}} = ("$idx");
+ }
+ if ($ENV{"course.$cid.allow_discussion_post_editing"} =~ m/yes/i) {
+ if (($ENV{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($ENV{'user.name'} eq $contrib{$idx.':sendername'})) {
+ $sender.=' '.&mt('Edit').''; unless ($seeid) {
+ $sender.=" ';
+ }
+ }
+ }
+ if ($seeid) {
+ if ($hidden) {
+ unless ($studenthidden) {
+ $sender.=' '.&mt('Make Visible').'';
+ }
+ } else {
+ $sender.=' '.&mt('Hide').'';
+ }
+ $sender.=' '.&mt('Delete').'';
+ }
+ } else {
+ if ($screenname) {
+ $sender=''.$screenname.'';
+ }
+# Set up for sorting by domain, then username for anonymous
+ unless (defined($usernamesort{'__anon'})) {
+ %{$usernamesort{'__anon'}} = ();
+ }
+ if (defined($usernamesort{'__anon'}{'__anon'})) {
+ push @{$usernamesort{'__anon'}{'__anon'}}, $idx;
+ } else {
+ @{$usernamesort{'__anon'}{'__anon'}} = ("$idx");
+ }
+# Set up for sorting by last name, then first name for anonymous
+ unless (defined($namesort{'__anon'})) {
+ %{$namesort{'__anon'}} = ();
+ }
+ if (defined($namesort{'__anon'}{'__anon'})) {
+ push @{$namesort{'__anon'}{'__anon'}}, $idx;
+ } else {
+ @{$namesort{'__anon'}{'__anon'}} = ("$idx");
+ }
+ }
+ if (&discussion_open($status) &&
+ &Apache::lonnet::allowed('pch',
+ $ENV{'request.course.id'}.
+ ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
+ $sender.=' '.&mt('Reply').'';
+ }
+ my $vgrlink;
+ if ($viewgrades) {
+ $vgrlink=&Apache::loncommon::submlink('Submissions',
+ $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$symb);
+ }
+ my $ctlink;
+ if ($dischash{$readkey}=~/\.$idx\./) {
+ $ctlink = ''.&mt('Mark unread').'? ';
+ } else {
+ $ctlink = ''.&mt('Mark read').'? ';
+ }
+#figure out at what position this needs to print
+ my $thisindex=$idx;
+ if ( (($ENV{'environment.threadeddiscussion'}) && (($sortposts eq '') || ($sortposts eq 'ascdate'))) || ($sortposts eq 'thread')) {
+ $thisindex=$origindex.substr('00'.$replies[$depth[$idx]],-2,2);
+ }
+ $alldiscussion{$thisindex}=$idx;
+ $shown{$idx} = 0;
+ $index[$idx]=$thisindex;
+ my $spansize = 2;
+ if ($showonlyunread && $prevread > $posttime) {
+ $notshown{$idx} = 1;
+ } elsif ($showunmark && $dischash{$readkey}=~/\.$idx\./) {
+ $notshown{$idx} = 1;
+ } else {
+# apply filters
+ my $uname = $contrib{$idx.':sendername'};
+ my $udom = $contrib{$idx.':senderdomain'};
+ my $poster = $uname.':'.$udom;
+ my $rolematch = '';
+ my $skiptest = 1;
+ if ($totposters > 0) {
+ if (grep/^$poster$/,@posters) {
+ $shown{$idx} = 1;
+ }
+ } else {
+ if ($rolefilter) {
+ if ($rolefilter eq 'all') {
+ $rolematch = '([^:]+)';
+ } else {
+ $rolematch = $rolefilter;
+ $skiptest = 0;
+ }
+ }
+ if ($sectionpick) {
+ if ($sectionpick eq 'all') {
+ $rolematch .= ':([^:]*)';
+ } else {
+ $rolematch .= ':'.$sectionpick;
+ $skiptest = 0;
+ }
+ }
+ if ($statusfilter) {
+ if ($statusfilter eq 'all') {
+ $rolematch .= ':([^:]+)';
+ } else {
+ $rolematch .= ':'.$statusfilter;
+ $skiptest = 0;
+ }
+ }
+ if ($skiptest) {
+ $shown{$idx} = 1;
+ } else {
+ foreach my $role (@{$roleinfo{$poster}}) {
+ if ($role =~ m/^$rolematch$/) {
+ $shown{$idx} = 1;
+ last;
+ }
+ }
+ }
+ }
+ }
+ unless ($notshown{$idx} == 1) {
+ if ($prevread > 0 && $prevread <= $posttime) {
+ $newitem{$idx} = 1;
+ $discussionitems[$idx] .= '
+
+
NEW ';
+ } else {
+ $newitem{$idx} = 0;
+ $discussionitems[$idx] .= '
+
+
';
+ }
+ $discussionitems[$idx] .= ' '.
+ ''.$subject.' '.
+ $sender.' '.$vgrlink.' ('.
+ &Apache::lonlocal::locallocaltime($posttime).') ';
+ if ($dischash{$toggkey}) {
+ $discussionitems[$idx].=' '.
+ $ctlink.' ';
+ }
+ $discussionitems[$idx].= ''.$message.'
';
+ if ($contrib{$idx.':history'}) {
+ my @postversions = ();
+ $discussionitems[$idx] .= '
'.&mt('This post has been edited by the author.');
+ if ($seeid) {
+ $discussionitems[$idx] .= ' '.&mt('Display all versions').'';
+ }
+ $discussionitems[$idx].='
'.&mt('Earlier version(s) were posted on: ');
+ if ($contrib{$idx.':history'} =~ m/:/) {
+ @postversions = split/:/,$contrib{$idx.':history'};
+ } else {
+ @postversions = ("$contrib{$idx.':history'}");
+ }
+ for (my $i=0; $i<@postversions; $i++) {
+ my $version = $i+1;
+ $discussionitems[$idx] .= ''.$version.'. - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ my $discussion='';
+
+ my $function = &Apache::loncommon::get_users_function();
+ my $color = &Apache::loncommon::designparm($function.'.tabbg',
+ $ENV{'user.domain'});
+ my %lt = &Apache::lonlocal::texthash(
+ 'cuse' => 'Current discussion settings',
+ 'allposts' => 'All posts',
+ 'unread' => 'New posts only',
+ 'unmark' => 'Unread only',
+ 'ondisp' => 'Once displayed',
+ 'onmark' => 'Once marked not NEW',
+ 'toggoff' => 'Off',
+ 'toggon' => 'On',
+ 'disa' => 'Posts to be displayed',
+ 'npce' => 'Posts cease to be marked "NEW"',
+ 'epcb' => 'Each post can be toggled read/unread',
+ 'chgt' => 'Change',
+ 'disp' => 'Display',
+ 'nolo' => 'Not new',
+ 'togg' => 'Toggle read/unread',
+ );
+
+ my $currdisp = $lt{'allposts'};
+ my $currmark = $lt{'onmark'};
+ my $currtogg = $lt{'toggoff'};
+ my $dispchange = $lt{'unread'};
+ my $markchange = $lt{'ondisp'};
+ my $toggchange = $lt{'toggon'};
+ my $chglink = '/adm/feedback?modifydisp='.$ressymb;
+ my $displinkA = 'onlyunread';
+ my $displinkB = 'onlyunmark';
+ my $marklink = 'markondisp';
+ my $togglink = 'toggon';
+
+ if ($markondisp) {
+ $currmark = $lt{'ondisp'};
+ $markchange = $lt{'onmark'};
+ $marklink = 'markonread';
+ }
+
+ if ($showonlyunread) {
+ $currdisp = $lt{'unread'};
+ $dispchange = $lt{'allposts'};
+ $displinkA = 'allposts';
+ }
+
+ if ($showunmark) {
+ $currdisp = $lt{'unmark'};
+ $dispchange = $lt{'unmark'};
+ $displinkA='allposts';
+ $displinkB='onlyunread';
+ $showonlyunread = 0;
+ }
+
+ if ($dischash{$toggkey}) {
+ $currtogg = $lt{'toggon'};
+ $toggchange = $lt{'toggoff'};
+ $togglink = 'toggoff';
+ }
+
+ $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
+
+ if ($newpostsflag) {
+ $chglink .= '&previous='.$prevread;
+ }
+
+ if ($visible) {
+# Print the discusssion
+ if ($outputtarget ne 'tex') {
+ my $colspan=$maxdepth+1;
+ $discussion.= qq|
+
+ |;
+ $discussion.='