--- loncom/interface/lonfeedback.pm 2003/10/15 20:01:48 1.62 +++ loncom/interface/lonfeedback.pm 2009/05/06 13:37:56 1.271 @@ -1,7 +1,7 @@ # The LearningOnline Network # Feedback # -# $Id: lonfeedback.pm,v 1.62 2003/10/15 20:01:48 www Exp $ +# $Id: lonfeedback.pm,v 1.271 2009/05/06 13:37:56 bisitz Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,24 +25,7 @@ # # http://www.lon-capa.org/ # -# (Internal Server Error Handler -# -# (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) -# -# 3/1/1 Gerd Kortemeyer) -# -# 3/1,2/3,2/5,2/6,2/8 Gerd Kortemeyer -# 2/9 Guy Albertelli -# 2/10 Gerd Kortemeyer -# 2/13 Guy Albertelli -# 7/25 Gerd Kortemeyer -# 7/26 Guy Albertelli -# 7/26,8/10,10/1,11/5,11/6,12/27,12/29 Gerd Kortemeyer -# YEAR=2002 -# 1/1,1/16 Gerd Kortemeyer -# +### package Apache::lonfeedback; @@ -51,300 +34,2585 @@ use Apache::Constants qw(:common); use Apache::lonmsg(); use Apache::loncommon(); use Apache::lontexconvert(); -use Apache::lonlocal; +use Apache::lonlocal; # must not have () +use Apache::lonnet; +use Apache::lonhtmlcommon(); +use Apache::lonnavmaps; +use Apache::lonenc(); +use Apache::lonrss(); +use HTML::LCParser(); +use Apache::lonspeller(); +use Apache::longroup; +use Cwd; +use LONCAPA; + +sub discussion_open { + my ($status,$symb)=@_; + if ($env{'request.role.adv'}) { return 1; } + if (defined($status) && + !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' + || $status eq 'OPEN')) { + return 0; + } + my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); + if (defined($close) && $close ne '' && $close < time) { + return 0; + } + return 1; +} + +sub discussion_visible { + my ($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)) { + if (!$env{'request.role.adv'}) { return 0; } + } + } + return 1; +} sub list_discussion { - my ($mode,$status,$symb)=@_; + my ($mode,$status,$ressymb,$imsextras,$group)=@_; + unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } + unless ($ressymb) { return ''; } + $ressymb=&wrap_symb($ressymb); + my $outputtarget=$env{'form.grade_target'}; + if (defined($env{'form.export'})) { + if($env{'form.export'}) { + $outputtarget = 'export'; + } + } + if (defined($imsextras)) { + if ($$imsextras{'caller'} eq 'imsexport') { + $outputtarget = 'export'; + } + } + if (not &discussion_visible($status)) { + if ($mode ne 'board') { + &Apache::lonenc::check_encrypt(\$ressymb); + return '
'.&send_message_link($ressymb); + } + } + if ($group ne '' && $mode eq 'board') { + if (&check_group_priv($group,'vgb') ne 'ok') { + return ''; + } + } + + my ($blocked,$blocktext) = + &Apache::loncommon::blocking_status('boards'); + if ($blocked) { + &Apache::lonenc::check_encrypt(\$ressymb); + if ($mode ne 'board') { + $blocktext.='
'.&send_message_link($ressymb); + } + return $blocktext; + } + + my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); my $discussiononly=0; if ($mode eq 'board') { $discussiononly=1; } - unless ($ENV{'request.course.id'}) { return ''; } - my $crs='/'.$ENV{'request.course.id'}; - if ($ENV{'request.course.sec'}) { - $crs.='_'.$ENV{'request.course.sec'}; - } + 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(); + my $encsymb=&Apache::lonenc::check_encrypt($ressymb); + my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) + && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); + + my %usernamesort = (); + my %namesort =(); + my %subjectsort = (); + +# 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'; + $ressymb=$encsymb; + my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_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','grouppick','totposters']); + my $sortposts = $env{'form.sortposts'}; + my $statusfilter = $env{'form.statusfilter'}; + my @sectionpick = split(/,/,$env{'form.sectionpick'}); + my @grouppick = split(/,/,$env{'form.grouppick'}); + my @rolefilter = split(/,/,$env{'form.rolefilter'}); + + 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}; + } + } + + my $cdom = $env{'course.'.$cid.'.domain'}; + my $cnum = $env{'course.'.$cid.'.num'}; + +# Get information about students and non-students in course for filtering display of posts + my %roleshash = (); + my %roleinfo = (); + my ($classgroups,$studentgroups); + if ($env{'form.rolefilter'}) { + %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); + foreach my $rolekey (keys(%roleshash)) { + my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); + if ($role =~ /^cr/) { + $role = 'cr'; + } + my ($end,$start) = split(/:/,$roleshash{$rolekey}); + my $now = time; + my $status = 'Active'; + if (($now < $start) || ($end > 0 && $now > $end)) { + $status = 'Expired'; + } + if ($uname && $udom) { + push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); + } + } + my ($classlist,$keylist) = + &Apache::loncoursedata::get_classlist($cdom,$cnum); + my $sec_index = &Apache::loncoursedata::CL_SECTION(); + my $status_index = &Apache::loncoursedata::CL_STATUS(); + while (my ($student,$data) = each %$classlist) { + my ($section,$status) = ($data->[$sec_index], + $data->[$status_index]); + push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); + } + ($classgroups,$studentgroups) = + &Apache::loncoursedata::get_group_memberships($classlist,$keylist, + $cdom,$cnum); } - unless ($symb) { return ''; } - my $seeid=&Apache::lonnet::allowed('rin',$crs); - my $viewgrades=&Apache::lonnet::allowed('vgr',$crs); + +# Get discussion display default settings for user + if ($env{'environment.discdisplay'} eq 'unread') { + $showonlyunread = 1; + } + if ($env{'environment.discmarkread'} eq 'ondisp') { + $markondisp = 1; + } + +# Override user's default if user specified display setting for this discussion + if (defined($dischash{$ondispkey})) { + unless ($dischash{$ondispkey} eq '') { + $markondisp = $dischash{$ondispkey}; + } + } + if ($markondisp) { + $discinfo{$lastkey} = time; + } + + if (defined($dischash{$showkey})) { + unless ($dischash{$showkey} eq '') { + $showonlyunread = $dischash{$showkey}; + } + } + + if (defined($dischash{$markkey})) { + unless ($dischash{$markkey} eq '') { + $showunmark = $dischash{$markkey}; + } + } + + if (defined($dischash{$visitkey})) { + unless ($dischash{$visitkey} eq '') { + $visit = $dischash{$visitkey}; + } + } + $visit ++; + + my $seeid; + if (($group ne '') && ($mode eq 'board') && + ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { + if (&check_group_priv($group,'dgp') eq 'ok') { + $seeid = 1; + } + } else { + $seeid=&Apache::lonnet::allowed('rin',$crs); + } + my @discussionitems=(); + my %shown = (); + my @posteridentity=(); + + my $current=0; + my $visible=0; + my @depth=(); + my @replies = (); + my %alldiscussion=(); + my %imsitems=(); + my %imsfiles=(); + my %notshown = (); + my %newitem = (); + my $maxdepth=0; + my %anonhash=(); + my $anoncnt=0; + my $target=''; + unless ($env{'browser.interface'} eq 'textual' || + $env{'environment.remote'} eq 'off' ) { + $target='target="LONcom"'; + } + + my $now = time; + $discinfo{$visitkey} = $visit; + + &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); + &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); + my $discussion=''; - my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'}, - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, - $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); - if ($contrib{'version'}) { - unless ($discussiononly) { - $discussion.= - '
'; + my $manifestfile; + my $manifestok=0; + my $tempexport; + my $imsresources; + my $copyresult; + + 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', + 'aner' => 'An error occurred opening the manifest file.', + 'difo' => 'Discussion for', + 'aerr' => 'An error occurred opening the export file for posting', + 'aysu' => 'Are you sure you want to delete this post?', + 'dpwn' => 'Deleted posts will no longer be visible to you and other students', + 'bwco' => 'but will continue to be visible to your instructor', + 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', + ); + + 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; + } + $chglink.=&group_args($group); + + if ($visible) { +# Print the discusssion + if ($outputtarget eq 'tex') { + $discussion.='{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. + '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. + '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. + '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. + '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}'; + } elsif ($outputtarget eq 'export') { +# Create temporary directory if this is an export + my $now = time; + if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { + $tempexport = $$imsextras{'tempexport'}; + if (!-e $tempexport) { + mkdir($tempexport,0700); + } + $tempexport .= '/'.$$imsextras{'count'}; + if (!-e $tempexport) { + mkdir($tempexport,0700); + } + } else { + $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; + if (!-e $tempexport) { + mkdir($tempexport,0700); + } + $tempexport .= '/'.$now; + if (!-e $tempexport) { + mkdir($tempexport,0700); + } + $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; + } + if (!-e $tempexport) { + mkdir($tempexport,0700); + } +# open manifest file + my $manifest = '/imsmanifest.xml'; + my $manifestfilename = $tempexport.$manifest; + if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { + $manifestok=1; + print $manifestfile qq| + + + + + $lt{'difo'} $ressymb\n|; + } else { + $discussion .= $lt{'aner'}.'
'; + } + } else { + my $colspan=$maxdepth+1; + $discussion.= qq| + + |; + $discussion.='
'. + "\n".''; + $discussion .= &action_links_bar($colspan,$ressymb,$visible, + $newpostsflag,$group, + $prevread,$markondisp); + my $escsymb=&escape($ressymb); + my $numhidden = keys(%notshown); + if ($numhidden > 0) { + my $colspan = $maxdepth+1; + $discussion.="\n".''; + } + } + +# Choose sort mechanism + my @showposts = (); + if ($sortposts eq 'descdate') { + @showposts = (sort { $b <=> $a } keys(%alldiscussion)); + } elsif ($sortposts eq 'thread') { + @showposts = (sort { $a <=> $b } keys(%alldiscussion)); + } elsif ($sortposts eq 'subject') { + foreach my $key (sort(keys(%subjectsort))) { + push(@showposts, @{$subjectsort{$key}}); + } + } elsif ($sortposts eq 'username') { + foreach my $domain (sort(keys(%usernamesort))) { + foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { + push(@showposts, @{$usernamesort{$domain}{$key}}); + } + } + } elsif ($sortposts eq 'lastfirst') { + foreach my $last (sort(keys(%namesort))) { + foreach my $key (sort(keys(%{$namesort{$last}}))) { + push(@showposts, @{$namesort{$last}{$key}}); + } + } + } else { + @showposts = (sort { $a <=> $b } keys(%alldiscussion)); + } + my $currdepth = 0; + my $firstidx = $alldiscussion{$showposts[0]}; + foreach my $post (@showposts) { + unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { + $alldiscussion{$post} = $post; + } + unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { + if ($outputtarget ne 'tex' && $outputtarget ne 'export') { + $discussion.="\n"; + } + my $thisdepth=$depth[$alldiscussion{$post}]; + if ($outputtarget ne 'tex' && $outputtarget ne 'export') { + for (1..$thisdepth) { + $discussion.=''; + } + } + my $colspan=$maxdepth-$thisdepth+1; + if ($outputtarget eq 'tex') { + #cleanup block + $discussionitems[$alldiscussion{$post}]=~s/]*)>/
'. + ''.&mt('Show all posts').' '.&mt('to display').' '. + $numhidden.' '; + if ($showunmark) { + $discussion .= &mt('posts previously marked read'); + } else { + $discussion .= &mt('previously viewed posts'); + } + $discussion .= '
   
/; + $discussionitems[$alldiscussion{$post}]=~s/]*)>]*)>/'; + } + } + } + unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { + my $colspan=$maxdepth+1; + $discussion .= < + + +END + $discussion .= &action_links_bar($colspan,$ressymb,$visible, + $newpostsflag,$group, + $prevread,$markondisp); + $discussion .= " +
/; + my $threadinsert=''; + if ($thisdepth > 0) { + $threadinsert='
Reply: '.$thisdepth.''; + } + $discussionitems[$alldiscussion{$post}]=~s/<\/td>]*)>/$threadinsert<\/td>		/; + $discussionitems[$alldiscussion{$post}]=~s/]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; + $discussionitems[$alldiscussion{$post}]=~s/(|<\/b>|<\/a>|]+)>)//g; + + $discussionitems[$alldiscussion{$post}]='\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.$discussionitems[$alldiscussion{$post}]; + $discussion.=$discussionitems[$alldiscussion{$post}]; + } elsif ($outputtarget eq 'export') { + my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; + if ($manifestok) { + if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { + print $manifestfile ' '."\n"; + } + $currdepth = $depth[$alldiscussion{$post}]; + print $manifestfile "\n". + ''. + ''.$imsitems{$alldiscussion{$post}}{'title'}.''; + $imsresources .= "\n". + ''."\n". + ''."\n". + $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n". + ''; + } + my $postingfile; + my $postingfilename = $tempexport.'/'.$postfilename; + if ($postingfile = Apache::File->new('>'.$postingfilename)) { + print $postingfile 'Discussion Post'. + $imsitems{$alldiscussion{$post}}{'title'}.' '. + $imsitems{$alldiscussion{$post}}{'sender'}. + $imsitems{$alldiscussion{$post}}{'timestamp'}.'

'. + $imsitems{$alldiscussion{$post}}{'message'}.'
'. + $imsitems{$alldiscussion{$post}}{'attach'}.''."\n"; + close($postingfile); + } else { + $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'
'; + } + $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); + } else { + $discussion.='		'. $discussionitems[$alldiscussion{$post}]. + '
+ + + +END + if ($sortposts) { + my %sort_types = (); + my %role_types = (); + my %status_types = (); + &sort_filter_names(\%sort_types,\%role_types,\%status_types); + + $discussion .= ''; + } + } + if ($dischash{$toggkey}) { + my $storebutton = &mt('Save read/unread changes'); + $discussion.=''; + } + $discussion .= (< +
+ + + + + + + + +
+ $lt{'cuse'}:  +END + if ($newpostsflag) { + $discussion .= + '1. '.$lt{'disp'}.' - '.$currdisp.'  2. '.$lt{'nolo'}.' - '.$currmark.''; + if ($dischash{$toggkey}) { + $discussion .= '  3. '.$lt{'togg'}.' - '.$currtogg.''; + } + } else { + if ($dischash{$toggkey}) { + $discussion .= '1. '.$lt{'disp'}.' - '.$currdisp.' 2. '.$lt{'togg'}.' - '.$currtogg.''; + } else { + $discussion .= + $lt{'disp'}.' - '.$currdisp.''; + } + } + $discussion .= <  + $lt{'chgt'}? +
+ 		'.&mt('Sorted by').': '.$sort_types{$sortposts}.'
'; + if (defined($env{'form.totposters'})) { + $discussion .= &mt('Posts by').':'; + if ($totposters > 0) { + foreach my $poster (@posters) { + $discussion .= ' '.$poster.','; + } + $discussion =~ s/,$//; + } else { + $discussion .= &mt('None selected'); + } + } else { + my $filterchoice =''; + if (@sectionpick > 0) { + $filterchoice = ''.&mt('sections').'- '.$env{'form.sectionpick'}; + $filterchoice .= '    '; + } + if (@grouppick > 0) { + $filterchoice = ''.&mt('groups').'- '.$env{'form.grouppick'}; + $filterchoice .= '    '; + } + if (@rolefilter > 0) { + $filterchoice .= ''.&mt('roles').'-'; + foreach my $role (@rolefilter) { + $filterchoice .= ' '.$role_types{$role}.','; + } + $filterchoice =~ s/,$//; + $filterchoice .= '
'.(' ' x8); + } + if ($statusfilter) { + $filterchoice .= ''.&mt('status').'- '.$status_types{$statusfilter}; + } + if ($filterchoice) { + $discussion .= ''.&mt('Filters').': '.$filterchoice; + } + $discussion .= '		'. + ''."\n". + ''."\n". + '
+
+

\n"; + } + if ($outputtarget eq 'export') { + if ($manifestok) { + while ($currdepth > 0) { + print $manifestfile " \n"; + $currdepth --; + } + print $manifestfile qq| + + + + $imsresources + + + |; + close($manifestfile); + if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { + $discussion = $copyresult; + } else { + +#Create zip file in prtspool + + my $imszipfile = '/prtspool/'. + $env{'user.name'}.'_'.$env{'user.domain'}.'_'. + time.'_'.rand(1000000000).'.zip'; + my $cwd = &getcwd(); + my $imszip = '/home/httpd/'.$imszipfile; + chdir $tempexport; + open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); + close(OUTPUT); + chdir $cwd; + $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','').'
'; + if ($copyresult) { + $discussion .= &mt('The following errors occurred during export').' -
'.$copyresult; + } + } + } else { + $discussion .= '
'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'
'; + } + return $discussion; + } + } + if ($discussiononly) { + my $now = time; + my $attachnum = 0; + my $currnewattach = []; + my $currdelold = []; + my $comment = ''; + my $subject = ''; + if ($env{'form.origpage'}) { + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); + $subject = &unescape($env{'form.subject'}); + $comment = &unescape($env{'form.comment'}); + my @keepold = (); + &process_attachments($currnewattach,$currdelold,\@keepold); + if (@{$currnewattach} > 0) { + $attachnum += @{$currnewattach}; + } + } + if (&discussion_open($status)) { + if (($group ne '') && ($mode eq 'board')) { + if (&check_group_priv($group,'pgd') eq 'ok') { + $discussion .= + &postingform_display($mode,$ressymb,$now,$subject, + $comment,$outputtarget,$attachnum, + $currnewattach,$currdelold, + $group); + } + } else { + $discussion.= + &postingform_display($mode,$ressymb,$now,$subject, + $comment,$outputtarget,$attachnum, + $currnewattach,$currdelold); + } } - my $idx; - for ($idx=1;$idx<=$contrib{'version'};$idx++) { + } else { + $discussion.='
'; + if (&discussion_open($status) && + &Apache::lonnet::allowed('pch', + $env{'request.course.id'}. + ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { + if ($outputtarget ne 'tex') { + $discussion.= &send_feedback_link($ressymb,$target); + } + } + if ($outputtarget ne 'tex') { + $discussion.= &send_message_link($ressymb); + } + $discussion.='
'; + } + return $discussion; +} + +sub send_feedback_link { + my ($ressymb,$target) = @_; + my $output = ''. + ' '. + ''.&mt('Post Discussion').''; + return $output; +} + +sub send_message_link { + my ($ressymb) = @_; + my $output = ''. + ' '.&mt('Send Message').''; + return $output; +} + +sub action_links_bar { + my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; + my $discussion = ''. + ''; + my $escsymb=&escape($ressymb); + if ($visible>2) { + $discussion .= ''; + if ($newpostsflag) { + if (!$markondisp) { + $discussion .=''; + } + } else { + $discussion .= ''; + } + $discussion .= '
'. + ''.&mt('Threaded View').'  '. + ''.&mt('Chronological View').'   + '.&mt('Sorting/Filtering options').''.(' ' x2); + } else { + $discussion .= ''.&mt('Export').'?  '. + &mt('Preferences on what is marked as NEW'). + '
'.&mt('Mark NEW posts no longer new').''; + } else { + $discussion .= '		  
'; + return $discussion; +} + +sub postingform_display { + my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, + $currnewattach,$currdelold,$group) = @_; + my $newattachmsg; + my %lt = &Apache::lonlocal::texthash( + 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', + 'title' => 'Title', + 'podi' => 'Post Discussion', + 'poan' => 'Post Anonymous Discussion', + 'newa' => 'New attachments', + ); + my $postingform = (< + + + +
+$lt{'note'}
+$lt{'title'}: 

+ +ENDDISCUSS + if ($env{'form.origpage'}) { + $postingform .= ''."\n"; + foreach my $att (@{$currnewattach}) { + $postingform .= ''."\n"; + } + } + if (exists($env{'form.ref'})) { + $postingform .= ''; + } + if ($group ne '') { + $postingform .=''; + } + my $blockblog = &Apache::loncommon::blocking_status('blogs'); + if (!$blockblog) { + $postingform .= &add_blog_checkbox(); + } + $postingform .= "\n"; + if ($outputtarget ne 'tex') { + $postingform .= &generate_attachments_button('',$attachnum,$ressymb, + $now,$currnewattach, + $currdelold,'',$mode, + $blockblog); + if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { + $newattachmsg = '
'.$lt{'newa'}.'
'; + if (@{$currnewattach} > 1) { + $newattachmsg .= '
    '; + foreach my $item (@{$currnewattach}) { + $item =~ m#.*/([^/]+)$#; + $newattachmsg .= '
  1. '.$1.'
    2. '."\n"; + } + $newattachmsg .= '
'."\n"; + } else { + $$currnewattach[0] =~ m#.*/([^/]+)$#; + $newattachmsg .= ''.$1.'
'."\n"; + } + } + $postingform .= $newattachmsg; + $postingform .= &generate_preview_button(); + } + return $postingform; +} + +sub build_posting_display { + my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; + my @original=(); + my @index=(); + my $skip_group_check = 0; + my $symb=&Apache::lonenc::check_decrypt($ressymb); + my $escsymb=&escape($ressymb); + my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, + $env{'course.'.$env{'request.course.id'}.'.domain'}, + $env{'course.'.$env{'request.course.id'}.'.num'}); + + my $see_anonymous = + &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); + + if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { + $skip_group_check = 1; + } + if ($contrib{'version'}) { + my $oldest = $contrib{'1:timestamp'}; + if ($prevread eq '0') { + $prevread = $oldest-1; + } + my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); + if ($sortposts) { + ($skiptest,$roleregexp,$secregexp,$statusregexp) = + &filter_regexp($rolefilter,$sectionpick,$statusfilter); + $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; + } + for (my $id=1;$id<=$contrib{'version'};$id++) { + my $idx=$id; + my $posttime = $contrib{$idx.':timestamp'}; + if ($prevread <= $posttime) { + $$newpostsflag = 1; + } my $hidden=($contrib{'hidden'}=~/\.$idx\./); + my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); my $deleted=($contrib{'deleted'}=~/\.$idx\./); + my $origindex='0.'; + my $numoldver=0; + if ($contrib{$idx.':replyto'}) { + if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { +# this is a follow-up message + $original[$idx]=$original[$contrib{$idx.':replyto'}]; + $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; + $origindex=$index[$contrib{$idx.':replyto'}]; + if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } + } else { + $original[$idx]=0; + $$depth[$idx]=0; + } + } else { +# this is an original message + $original[$idx]=0; + $$depth[$idx]=0; + } + if ($$replies[$$depth[$idx]]) { + $$replies[$$depth[$idx]]++; + } else { + $$replies[$$depth[$idx]]=1; + } unless ((($hidden) && (!$seeid)) || ($deleted)) { - my $message=$contrib{$idx.':message'}; - $message=~s/\n/\
/g; - $message=&Apache::lontexconvert::msgtexconverted($message); - if ($contrib{$idx.':attachmenturl'}) { - my ($fname,$ft) - =($contrib{$idx.':attachmenturl'}=~/\/(\w+)\.(\w+)$/); - $message.='

'.&mt('Attachment').': '.$fname.'.'.$ft.''; + $$visible++; + if ($contrib{$idx.':history'}) { + if ($contrib{$idx.':history'} =~ /:/) { + my @oldversions = split(/:/,$contrib{$idx.':history'}); + $numoldver = @oldversions; + } else { + $numoldver = 1; + } + } + $$current = $numoldver; + my %messages = (); + my %subjects = (); + my %attachtxt = (); + my %allattachments = (); + my ($screenname,$plainname); + my $sender = &mt('Anonymous'); +# Anonymous users getting number within a discussion +# Since idx is in static order, this should give the same sequence every time. + my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; + unless ($$anonhash{$key}) { + $anoncnt++; + $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; } - if ($message) { - if ($hidden) { - $message=''.$message.''; - } - my $screenname=&Apache::loncommon::screenname( - $contrib{$idx.':sendername'}, - $contrib{$idx.':senderdomain'}); - my $plainname=&Apache::loncommon::nickname( - $contrib{$idx.':sendername'}, - $contrib{$idx.':senderdomain'}); - - my $sender=&mt('Anonymous'); - if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { - $sender=&Apache::loncommon::aboutmewrapper( + my ($message,$subject,$vgrlink,$ctlink); + &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); + + +# Set up for sorting by subject + unless ($outputtarget eq 'export') { + $message=$messages{$numoldver}; + $message.=$attachtxt{$numoldver}; + $subject=$subjects{$numoldver}; + if ($message) { + if ($hidden) { + $message=''.$message.''; + if ($studenthidden) { + $message .='

Deleted by poster (student).'; + } + } + + if ($subject eq '') { + if (defined($$subjectsort{'__No subject'})) { + push(@{$$subjectsort{'__No subject'}}, $idx); + } else { + @{$$subjectsort{'__No subject'}} = ("$idx"); + } + } else { + if (defined($$subjectsort{$subject})) { + push(@{$$subjectsort{$subject}}, $idx); + } else { + @{$$subjectsort{$subject}} = ("$idx"); + } + } + if (!$contrib{$idx.':anonymous'} || $see_anonymous) { + $sender=&Apache::loncommon::aboutmewrapper( $plainname, $contrib{$idx.':sendername'}, $contrib{$idx.':senderdomain'}).' ('. - $contrib{$idx.':sendername'}.' at '. + $contrib{$idx.':sendername'}.':'. $contrib{$idx.':senderdomain'}.')'; - if ($contrib{$idx.':anonymous'}) { - $sender.=' ['.&mt('anonymous').'] '. - $screenname; - } - if ($seeid) { - if ($hidden) { - $sender.=' '.&mt('Make Visible').''; + if ($contrib{$idx.':anonymous'}) { + $sender.=' ['.$$anonhash{$key}.'] '. + $screenname; + } + if ($see_anonymous) { + $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); + } +# Set up for sorting by domain, then username + unless (defined($$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 { + @{$$namesort{$lastname}{$firstname}} = ("$idx"); + } + if (&editing_allowed($escsymb.':::'.$idx,$group)) { + if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { + $sender.=' '.&mt('Edit').''; + + unless ($seeid) { + my $grpargs = &group_args($group); + $sender.=" '; + } + } + } + if ($seeid) { + if ($hidden) { + unless ($studenthidden) { + $sender.=' '.&mt('Make Visible').''; + } + } else { + $sender.=' '.&mt('Hide').''; + } + my $grpargs = &group_args($group); + $sender.= + " "; + $sender .= &mt('Delete').''; + } + } else { + if ($screenname) { + $sender=''.$screenname.''; } else { - $sender.=' '.&mt('Hide').''; - } - $sender.=' '.&mt('Delete').''; - } - } else { - if ($screenname) { - $sender=''.$screenname.''; - } + $sender=''.$$anonhash{$key}.''; + } +# 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)) { + if (($group ne '') && + (&check_group_priv($group,'pgd') eq 'ok')) { + $sender.=' '.&mt('Reply').''; + } elsif (&Apache::lonnet::allowed('pch', + $env{'request.course.id'}. + ($env{'request.course.sec'}?'/'. + $env{'request.course.sec'}:''))) { + $sender.=' '.&mt('Reply').''; + } + } + if ($viewgrades) { + $vgrlink=&Apache::loncommon::submlink('Submissions', + $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); + } + if ($$dischash{$readkey}=~/\.$idx\./) { + $ctlink = ''; + } else { + $ctlink = ''; + } + } +#figure out at what position this needs to print + } + if ($outputtarget eq 'export' || $message) { + my $thisindex=$idx; + if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { + $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); } - my $vgrlink; - if ($viewgrades) { - $vgrlink=&Apache::loncommon::submlink('Submissions', - $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$symb); - } - $discussion.='

'.$sender.' '.$vgrlink.' ('. - localtime($contrib{$idx.':timestamp'}). - '):

'.$message. - '

'; - } - } - } - unless ($discussiononly) { - $discussion.='
'; + $$alldiscussion{$thisindex}=$idx; + $$shown{$idx} = 0; + $index[$idx]=$thisindex; + } + if ($outputtarget eq 'export') { + %{$$imsitems{$idx}} = (); + $$imsitems{$idx}{'isvisible'}='true'; + if ($hidden) { + $$imsitems{$idx}{'isvisible'}='false'; + } + $$imsitems{$idx}{'title'}=$subjects{$numoldver}; + $$imsitems{$idx}{'message'}=$messages{$numoldver}; + $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; + $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; + $$imsitems{$idx}{'sender'}=$plainname.' ('. + $contrib{$idx.':sendername'}.' at '. + $contrib{$idx.':senderdomain'}.')'; + $$imsitems{$idx}{'isanonymous'}='false'; + if ($contrib{$idx.':anonymous'}) { + $$imsitems{$idx}{'isanonymous'}='true'; + } + $$imsitems{$idx}{'currversion'}=$numoldver; + %{$$imsitems{$idx}{'allattachments'}}=%allattachments; + unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { + $$shown{$idx} = 1; + } + } else { + if ($message) { + my $spansize = 2; + if ($showonlyunread && $prevread > $posttime) { + $$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; + if ($env{'form.totposters'} ne '') { + if ($totposters == 0) { + $$shown{$idx} = 0; + } elsif ($totposters > 0) { + if (grep/^$poster$/,@{$posters}) { + $$shown{$idx} = 1; + } + } + } elsif ($sortposts) { + if ($skiptest) { + $$shown{$idx} = 1; + } else { + foreach my $role (@{$$roleinfo{$poster}}) { + if ($role =~ /^cc:/) { + my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; + if ($role =~ /$cc_regexp/) { + $$shown{$idx} = 1; + last; + } + } elsif ($role =~ /^$rolematch$/) { + $$shown{$idx} = 1; + last; + } + } + } + if ($$shown{$idx} && !$skip_group_check) { + my $showflag = 0; + if (ref($$classgroups{$poster}{active}) eq 'HASH') { + foreach my $grp (@{$grouppick}) { + if (grep/^\Q$grp\E$/, + keys(%{$$classgroups{$poster}{active}})) { + $showflag = 1; + last; + } + } + } + if ($showflag) { + $$shown{$idx} = 1; + } else { + $$shown{$idx} = 0; + } + } + } else { + $$shown{$idx} = 1; + } + } + unless ($$notshown{$idx} == 1) { + if ($prevread > 0 && $prevread <= $posttime) { + $$newitem{$idx} = 1; + $$discussionitems[$idx] .= ' +

+ '; + } else { + $$newitem{$idx} = 0; + $$discussionitems[$idx] .= ' +

'.&mt('NEW').'
+ '; + } + $$discussionitems[$idx] .= ''; + if ($$dischash{$toggkey}) { + $$discussionitems[$idx].=''; + } + $$discussionitems[$idx].= '
   '. + ''.$subject.'  '. + $sender.' '.$vgrlink.' ('. + &Apache::lonlocal::locallocaltime($posttime).')  '. + $ctlink.'

'. + $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]).' '; + } + } + } + } + } + } } } - if ($discussiononly) { - $discussion.=(< - - - - -
-Note: in anonymous discussion, your name is visible only to -course faculty
- -

-Attachment (128 KB max size): -

- -ENDDISCUSS - $discussion.=&generate_preview_button(); - } - return $discussion; } -sub mail_screen { - my ($r,$feedurl,$options) = @_; - my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion', - '','onLoad="window.focus();"'); - my $title=&Apache::lonnet::gettitle($feedurl); - if (!$title) { $title = $feedurl; } - my $latexHelp = Apache::loncommon::helpLatexCheatsheet(); - $r->print(< - -The LearningOnline Network with CAPA - - - -$bodytag -

$title

+END + + my %onload = ('onload' => 'window.focus();setposttype();'); + my $start_page= + &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, + {'add_entries' => \%onload}); + + if ($quote ne '') { + &newline_to_br(\$quote); + $quote='
'.&Apache::lontexconvert::msgtexconverted($quote).'
'; + } + + $r->print(<$restitle
- -Please check at least one of the following feedback types: -$options
-My question/comment/feedback:

+$prevtag + +END + if ($env{'form.replydisc'}) { + $r->print(< +END + } elsif ($env{'form.editdisc'}) { + $r->print(< + +END + } + $r->print(< +$quote +

$lt{'myqu'}

+

$latexHelp -

-Attachment (128 KB max size):

+$lt{'title'}:

+

+

+

+END + if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { + if ($env{'form.origpage'}) { + foreach my $attach (@currnewattach) { + $r->print(''."\n"); + } + foreach my $oldatt (@currdelold) { + $r->print(''."\n"); + } + } + if ($env{'form.editdisc'}) { + if ($attachmenturls) { + &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); + $attachnum = scalar(keys(%currattach)); + foreach my $key (keys(%currattach)) { + $r->print(''."\n"); + } + } + } + } else { + $r->print(< +

+END + } + if (exists($env{'form.group'})) { + $r->print(''); + } + if (exists($env{'form.ref'})) { + $r->print(''); + } + $r->print(< - +

-ENDDOCUMENT -$r->print(&generate_preview_button().''); +END + if ($env{'form.editdisc'} || $env{'form.replydisc'}) { + my $now = time; + my $ressymb = $symb; + &Apache::lonenc::check_encrypt(\$ressymb); + my $postidx = ''; + if ($env{'form.editdisc'}) { + $postidx = $idx; + } + if (@currnewattach > 0) { + $attachnum += @currnewattach; + } + my $blockblog = &Apache::loncommon::blocking_status('blogs'); + $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); + if ($attachnum > 0) { + if (@currnewattach > 0) { + $newattachmsg .= '
'.&mt('New attachments').'
'; + if (@currnewattach > 1) { + $newattachmsg .= '
    '; + foreach my $item (@currnewattach) { + $item =~ m#.*/([^/]+)$#; + $newattachmsg .= '
  1. '.$1.'
    2. '."\n"; + } + $newattachmsg .= '
'."\n"; + } else { + $currnewattach[0] =~ m#.*/([^/]+)$#; + $newattachmsg .= ''.$1.'
'."\n"; + } + } + if ($attachmsg) { + $r->print("
$lt{'reta'}:$attachmsg
\n"); + } + if ($newattachmsg) { + $r->print("$newattachmsg
"); + } + } + } + $r->print(&generate_preview_button(). + &Apache::lonhtmlcommon::htmlareaselectactive('comment'). + &Apache::loncommon::end_page()); + +} + +sub print_display_options { + my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + + my $function = &Apache::loncommon::get_users_function(); + my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', + $env{'user.domain'}); + + my %lt = &Apache::lonlocal::texthash( + 'pref' => 'Display Preference', + 'curr' => 'Current setting ', + 'actn' => 'Action', + 'deff' => 'Default for all discussions', + 'prca' => 'Preferences can be set for this discussion that determine ....', + 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', + 'unwh' => 'Under what circumstances posts are identified as "NEW", and', + 'wipa' => 'Whether individual posts can be marked as read/unread', + 'allposts' => 'All posts', + 'unread' => 'New posts only', + 'unmark' => 'Posts not marked read', + 'ondisp' => 'Once displayed', + 'onmark' => 'Once marked not NEW', + 'toggon' => 'Shown', + 'toggoff' => 'Not shown', + 'disa' => 'Posts displayed?', + 'npmr' => 'New posts cease to be identified as "NEW"?', + 'dotm' => 'Option to mark each post as read/unread?', + 'chgt' => 'Change to ', + 'mkdf' => 'Set to ', + 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', + 'ywbr' => 'You will be returned to the previous page if you click OK.' + ); + + my $dispchangeA = $lt{'unread'}; + my $dispchangeB = $lt{'unmark'}; + my $markchange = $lt{'ondisp'}; + my $toggchange = $lt{'toggon'}; + my $currdisp = $lt{'allposts'}; + my $currmark = $lt{'onmark'}; + my $discdisp = 'allposts'; + my $discmark = 'onmark'; + my $currtogg = $lt{'toggoff'}; + my $disctogg = 'toggoff'; + + if ($dispchgA eq 'allposts') { + $dispchangeA = $lt{'allposts'}; + $currdisp = $lt{'unread'}; + $discdisp = 'unread'; + } + + if ($markchg eq 'markonread') { + $markchange = $lt{'onmark'}; + $currmark = $lt{'ondisp'}; + $discmark = 'ondisp'; + } + + if ($dispchgB eq 'onlyunread') { + $dispchangeB = $lt{'unread'}; + $currdisp = $lt{'unmark'}; + $discdisp = 'unmark'; + } + if ($toggchg eq 'toggoff') { + $toggchange = $lt{'toggoff'}; + $currtogg = $lt{'toggon'}; + $disctogg = 'toggon'; + } + + my $js = < +function discdispChk(caller) { + var disctogg = '$toggchg' + if (caller == 0) { + if (document.modifydisp.discdisp[0].checked == true) { + if (document.modifydisp.discdisp[1].checked == true) { + document.modifydisp.discdisp[1].checked = false + } + } + } + if (caller == 1) { + if (document.modifydisp.discdisp[1].checked == true) { + if (document.modifydisp.discdisp[0].checked == true) { + document.modifydisp.discdisp[0].checked = false + } + if (disctogg == 'toggon') { + document.modifydisp.disctogg.checked = true + } + if (disctogg == 'toggoff') { + document.modifydisp.disctogg.checked = false + } + } + } + if (caller == 2) { + var dispchgB = '$dispchgB' + if (disctogg == 'toggoff') { + if (document.modifydisp.disctogg.checked == true) { + if (dispchgB == 'onlyunmark') { + document.modifydisp.discdisp[1].checked = false + } + } + } + } +} + +function setDisp() { + var prev = "$previous" + var chktotal = 0 + if (document.modifydisp.discdisp[0].checked == true) { + document.modifydisp.$dispchgA.value = "$symb" + chktotal ++ + } + if (document.modifydisp.discdisp[1].checked == true) { + document.modifydisp.$dispchgB.value = "$symb" + chktotal ++ + } + if (document.modifydisp.discmark.checked == true) { + document.modifydisp.$markchg.value = "$symb" + chktotal ++ + } + if (document.modifydisp.disctogg.checked == true) { + document.modifydisp.$toggchg.value = "$symb" + chktotal ++ + } + if (chktotal > 0) { + document.modifydisp.submit() + } else { + if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { + if (prev > 0) { + location.href = "$feedurl?previous=$previous" + } else { + location.href = "$feedurl" + } + } + } +} + +END + + + my $start_page = + &Apache::loncommon::start_page('Discussion display options',$js); + my $end_page = + &Apache::loncommon::end_page(); + $r->print(< +$lt{'sdpf'}
$lt{'prca'}
  1. $lt{'whpo'}
  2. $lt{'unwh'}
  3. $lt{'wipa'}
+
+END + $r->print(&Apache::loncommon::start_data_table()); + $r->print(< + $lt{'pref'} + $lt{'curr'} + $lt{'actn'}? + +END + $r->print(&Apache::loncommon::start_data_table_row()); + $r->print(<$lt{'disa'} + $lt{$discdisp} + +
+ + +END + $r->print(&Apache::loncommon::end_data_table_row()); + $r->print(&Apache::loncommon::start_data_table_row()); + $r->print(<$lt{'npmr'} + $lt{$discmark} + +END + $r->print(&Apache::loncommon::end_data_table_row()); + $r->print(&Apache::loncommon::start_data_table_row()); + $r->print(<$lt{'dotm'} + $lt{$disctogg} + +END + my $save = &mt('Save'); + $r->print(&Apache::loncommon::end_data_table_row()); + $r->print(&Apache::loncommon::end_data_table()); + $r->print(< +
+ + + + + + + +END + if (exists($env{'form.group'})) { + $r->print(''); + } + if (exists($env{'form.ref'})) { + $r->print(''); + } + $r->print(" +
+
+ +$end_page + "); + return; +} + +sub print_sortfilter_options { + my ($r,$symb,$previous,$feedurl) = @_; + + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + + &Apache::lonenc::check_encrypt(\$symb); + my @sections; + my $section_sel = ''; + my $numvisible = 5; + my @groups; + my $group_sel = ''; + my $numgroupvis = 5; + my %sectioncount = &Apache::loncommon::get_sections(); + + if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section + @sections = ('all',$env{'request.course.sec'}); + $numvisible = 2; + } else { + @sections = sort {$a cmp $b} keys(%sectioncount); + if (scalar(@sections) < 4) { + $numvisible = scalar(@sections) + 1; + } + unshift(@sections,'all'); # Put 'all' at the front of the list + + } + foreach my $sec (@sections) { + $section_sel .= " \n"; + } + + if (&check_group_priv() eq 'ok') { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); + @groups = sort {$a cmp $b} keys(%curr_groups); + if (scalar(@groups) < 4) { + $numgroupvis = scalar(@groups) + 1; + } + unshift(@groups,'all'); # Put 'all' at the front of the list + } else { + my @coursegroups = split(/:/,$env{'request.course.groups'}); + if (@coursegroups > 0) { + @coursegroups = sort {$a cmp $b} @coursegroups; + @groups = ('all',@coursegroups); + if (scalar(@groups) < 4) { + $numgroupvis = scalar(@groups) + 1; + } + } else { + @groups = ('all'); + $numgroupvis = 1; + } + } + foreach my $group (@groups) { + $group_sel .= " \n"; + } + + my $function = &Apache::loncommon::get_users_function(); + my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', + $env{'user.domain'}); + my %lt = &Apache::lonlocal::texthash( + 'diop' => 'Display Options', + 'curr' => 'Current setting ', + 'actn' => 'Action', + 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', + 'soor' => 'Sort order', + 'spur' => 'Specific user roles', + 'sprs' => 'Specific role status', + 'spse' => 'Specific sections', + 'spgr' => 'Specific groups', + 'psub' => 'Pick specific users (by name)', + 'shal' => 'Show a list of current posters', + 'stor' => 'Save changes', + ); + + my %sort_types = (); + my %role_types = (); + my %status_types = (); + &sort_filter_names(\%sort_types,\%role_types,\%status_types); + + my $js = < +function verifyFilter() { + var rolenum = 0 + for (var i=0; i +END + + my $start_page= + &Apache::loncommon::start_page('Discussion options',$js); + my $end_page= + &Apache::loncommon::end_page(); + + $r->print(< +$lt{'diso'}
$lt{'prca'} +

+ + + + + + + + + + + + + + + + + + + + + + + + + + + +
$lt{'soor'} $lt{'sprs'} $lt{'spur'} $lt{'spse'} $lt{'spgr'} $lt{'psub'}
+ +   + +   + +   + +   + +  
+
+
+ + + +END + if (exists($env{'form.group'})) { + $r->print(''); + } + if (exists($env{'form.ref'})) { + $r->print(''); + } + $r->print(" +
+
+ +$end_page +"); +} + +sub print_showposters { + my ($r,$symb,$previous,$feedurl,$sortposts) = @_; + + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + + &Apache::lonenc::check_encrypt(\$symb); + my $crs='/'.$env{'request.course.id'}; + if ($env{'request.course.sec'}) { + $crs.='_'.$env{'request.course.sec'}; + } + $crs=~s/\_/\//g; + my $seeid; + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $group = $env{'form.group'}; + my $ressymb = &wrap_symb($symb); + if (($group ne '') && + ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { + if (&check_group_priv($group,'dgp') eq 'ok') { + $seeid = 1; + } + } else { + $seeid=&Apache::lonnet::allowed('rin',$crs); + } + my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, + $cdom,$cnum); + my %namesort = (); + my %postcounts = (); + + my %lt = &Apache::lonlocal::texthash( + sele => 'Select', + full => 'Fullname', + usdo => 'Username:domain', + post => 'Posts', + ); + if ($contrib{'version'}) { + for (my $idx=1;$idx<=$contrib{'version'};$idx++) { + my $hidden=($contrib{'hidden'}=~/\.$idx\./); + my $deleted=($contrib{'deleted'}=~/\.$idx\./); + unless ((($hidden) && (!$seeid)) || ($deleted)) { + if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { + my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$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}} = (); + } + my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; + $postcounts{$poster} ++; + if (defined($namesort{$lastname}{$firstname})) { + if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { + push(@{$namesort{$lastname}{$firstname}}, $poster); + } + } else { + @{$namesort{$lastname}{$firstname}} = ("$poster"); + } + } + } + } + } + + my $start_page = &Apache::loncommon::start_page('Discussion options'); + my $table_start =&Apache::loncommon::start_data_table(); + $r->print(< +
+ $table_start + + # + $lt{'sele'} + $lt{'full'} ($lt{'usdo'}) + $lt{'post'} + +END + my $count = 0; + foreach my $last (sort(keys(%namesort))) { + foreach my $first (sort(keys(%{$namesort{$last}}))) { + foreach my $user (sort(@{$namesort{$last}{$first}})) { + my ($uname,$udom) = split(/:/,$user); + if (!$uname || !$udom) { + next; + } else { + $count ++; + $r->print(&Apache::loncommon::start_data_table_row(). + ''.$count.' + + '.$postcounts{$user}.''. + &Apache::loncommon::end_data_table_row()); + } + } + } + } + $r->print(&Apache::loncommon::end_data_table()); + my $end_page = &Apache::loncommon::end_page(); + $r->print(< + + + + +$end_page +END +} + +sub get_post_versions { + my ($versions,$incoming,$htmldecode,$numver) = @_; + if ($incoming =~ /^/) { + my $p = HTML::LCParser->new(\$incoming); + my $done = 0; + + while ( (my $token = $p->get_tag("version")) && (!$done)) { + my $num = $token->[1]{num}; + my $text = $p->get_text("/version"); + if (defined($numver)) { + if ($num == $numver) { + if ($htmldecode) { + $text = &HTML::Entities::decode($text); + } + $$versions{$numver}=$text; + $done = 1; + } + } else { + if ($htmldecode) { + $text = &HTML::Entities::decode($text); + } + $$versions{$num}=$text; + } + } + } else { + if (!defined($numver)) { + $numver = 0; + } + if ($htmldecode) { + $$versions{$numver} = $incoming; + } else { + $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); + } + } + return; +} + +sub get_post_attachments { + my ($attachments,$attachmenturls) = @_; + my $num; + if ($attachmenturls =~ m/^/) { + my $p = HTML::LCParser->new(\$attachmenturls); + while (my $token = $p->get_tag("attachment","filename","post")) { + if ($token->[0] eq "attachment") { + $num = $token->[1]{id}; + %{$$attachments{$num}} =(); + } elsif ($token->[0] eq "filename") { + $$attachments{$num}{'filename'} = $p->get_text("/filename"); + } elsif ($token->[0] eq "post") { + my $id = $token->[1]{id}; + $$attachments{$num}{$id} = $p->get_text("/post"); + } + } + } else { + %{$$attachments{'0'}} = (); + $$attachments{'0'}{'filename'} = $attachmenturls; + $$attachments{'0'}{'0'} = 'n'; + } + + return; } sub fail_redirect { my ($r,$feedurl) = @_; - $r->print (<Feedback not sent - - - - - - -Sorry, no recipients ... - - + if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; + my %lt = &Apache::lonlocal::texthash( + 'sorr' => 'Sorry, no recipients ...', + ); + my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); + $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, + {'redirect' => [2,$feedurl], + 'only_body' => 1,})); + $r->print(< +$lt{'sorr'} ENDFAILREDIR + $r->print(&Apache::loncommon::end_page()); } sub redirect_back { - my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status) = @_; - $r->print (< -Feedback sent - - - - - - + my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; + my $sorttag = ''; + my $roletag = ''; + my $statustag = ''; + my $sectag = ''; + my $grptag = ''; + my $userpicktag = ''; + my $qrystr = ''; + my $prevtag = ''; + + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + &dewrapper(\$feedurl); + if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; + if ($previous > 0) { + $qrystr = 'previous='.$previous; + if ($feedurl =~ /\?register=1/) { + $feedurl .= '&'.$qrystr; + } else { + $feedurl .= '?'.$qrystr; + } + $prevtag = ''; + } + if (defined($sort)) { + my $sortqry = 'sortposts='.$sort; + if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { + $feedurl .= '&'.$sortqry; + } else { + $feedurl .= '?'.$sortqry; + } + $sorttag = ''; + if (defined($numpicks)) { + my $userpickqry = 'totposters='.$numpicks; + $feedurl .= '&'.$userpickqry; + $userpicktag = ''; + } else { + if (ref($sectionpick) eq 'ARRAY') { + $feedurl .= '§ionpick='; + $sectag .= ''; + } else { + $feedurl .= '§ionpick='.$sectionpick; + $sectag = ''; + } + if (ref($grouppick) eq 'ARRAY') { + $feedurl .= '&grouppick='; + $sectag .= ''; + } else { + $feedurl .= '&grouppick='.$grouppick; + $grptag = ''; + } + if (ref($rolefilter) eq 'ARRAY') { + $feedurl .= '&rolefilter='; + $roletag .= ''; + } else { + $feedurl .= '&rolefilter='.$rolefilter; + $roletag = ''; + } + $feedurl .= '&statusfilter='.$statusfilter; + $statustag =''; + } + } + my $grouptag; + if ($group ne '') { + $grouptag = ''; + my $refarg; + if (exists($env{'form.ref'})) { + $refarg = '&ref='.$env{'form.ref'}; + $grouptag .= ''; + } + if ($feedurl =~ /\?/) { + $feedurl .= '&group='.$group.$refarg; + } else { + $feedurl .= '?group='.$group.$refarg; + } + } + &Apache::lonenc::check_encrypt(\$feedurl); + my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); + my %onload; + if ($env{'environment.remote'} ne 'off') { + $onload{'onload'} = + "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; + } + my $start_page= + &Apache::loncommon::start_page('Feedback sent',undef, + {'redirect' => [0,$feedurl], + 'only_body' => 1, + 'add_entries' => \%onload}); + my $end_page = &Apache::loncommon::end_page(); + $r->print(< $typestyle Sent $sendsomething message(s), and $sendposts post(s). -$status +$blog +$toolarge +$status
+$prevtag +$sorttag +$statustag +$roletag +$sectag +$grptag +$userpicktag +$grouptag
- - +$end_page ENDREDIR } sub no_redirect_back { my ($r,$feedurl) = @_; - $r->print (<Feedback not sent - -ENDNOREDIR + my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); + + my %onload; + if ($env{'environment.remote'} ne 'off') { + $onload{'onload'} = + "if (window.name!='loncapaclient') { self.window.close(); }"; + } + + my %body_options = ('only_body' => 1, + 'bgcolor' => '#FFFFFF', + 'add_entries' => \%onload,); - if ($feedurl!~/^\/adm\/feedback/) { - $r->print(''); + if ($feedurl !~ m{^/adm/feedback}) { + $body_options{'rediect'} = [2,$feedurl]; } - + my $start_page= + &Apache::loncommon::start_page('Feedback not sent',undef, + \%body_options); + + my $end_page = &Apache::loncommon::end_page(); + + &Apache::lonenc::check_encrypt(\$feedurl); + my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); $r->print (< - - - -Sorry, no feedback possible on this resource ... - - +$start_page + +$nofeed +
+$end_page ENDNOREDIRTWO } sub screen_header { - my ($feedurl) = @_; - my $msgoptions=''; - my $discussoptions=''; - if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) { - $msgoptions= - '

'. - &mt('Feedback to resource author'); - } - if (&feedback_available(1)) { - $msgoptions.= - '
'. - &mt('Question about resource content'); - } - if (&feedback_available(0,1)) { - $msgoptions.= - '
'. - &mt('Question/Comment/Feedback about course content'); - } - if (&feedback_available(0,0,1)) { - $msgoptions.= - '
'. - &mt('Question/Comment/Feedback about course policy'); - } - - if ($ENV{'request.course.id'}) { - if (&Apache::lonnet::allowed('pch', - $ENV{'request.course.id'}. - ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) { - $discussoptions=' '. - &mt('Contribution to course discussion of resource'); - $discussoptions.='
'. - &mt('Anonymous contribution to course discussion of resource'). - ' ('.&mt('name only visible to course faculty').')'; - } - } - if ($msgoptions) { $msgoptions='

'.&mt('Sending Messages').'

'.$msgoptions; } - if ($discussoptions) { - $discussoptions='

'.&mt('Discussion Contributions').'

'.$discussoptions; } - return $msgoptions.$discussoptions; + my ($feedurl,$symb) = @_; + my $msgoptions=''; + my $discussoptions=''; + unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { + if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { + $msgoptions= + '

'; + } + my %optionhash=(); + foreach my $type ('question','comment','policy') { + $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; + } + if (&feedback_available(1)) { + $msgoptions.= + '

'; + } + if (&feedback_available(0,1)) { + $msgoptions.= + '

'; + } + if (&feedback_available(0,0,1)) { + $msgoptions.= + '

'; + } + } + if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { + my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); + if (!$blocked && &discussion_open(undef,$symb) && + &Apache::lonnet::allowed('pch', + $env{'request.course.id'}. + ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { + $discussoptions='
'. + ''.&mt('Change Screenname').''; + my $blockblog = &Apache::loncommon::blocking_status('blogs'); + if (!$blockblog) { + $discussoptions.= &add_blog_checkbox(); + } + } + } + if ($msgoptions) { $msgoptions='

'.&mt('Sending Messages').'

'.$msgoptions; } + if ($discussoptions) { + $discussoptions='

'.&mt('Discussion Contributions').'

'.$discussoptions; } + return $msgoptions.$discussoptions; } sub resource_output { @@ -361,394 +2629,1480 @@ sub resource_output { } sub clear_out_html { - my ($message,$override)=@_; - my $cid=$ENV{'request.course.id'}; - if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || + my ($message,$override,$ignore_htmlarea)=@_; + if (!$ignore_htmlarea + && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } +# Always allow the -tag + my %html=(M=>1); +# Check if more is allowed + my $cid=$env{'request.course.id'}; + if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || ($override)) { # allows