--- loncom/interface/lonfeedback.pm 2004/05/07 12:03:53 1.82 +++ loncom/interface/lonfeedback.pm 2004/07/21 23:57:24 1.101 @@ -1,7 +1,7 @@ # The LearningOnline Network # Feedback # -# $Id: lonfeedback.pm,v 1.82 2004/05/07 12:03:53 albertel Exp $ +# $Id: lonfeedback.pm,v 1.101 2004/07/21 23:57:24 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -34,19 +34,45 @@ 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::lonhtmlcommon(); -sub list_discussion { - my ($mode,$status,$symb)=@_; -# &Apache::lonnet::logthis("status is $status"); - if (!($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' +sub discussion_open { + my ($status)=@_; + if (defined($status) && + !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' || $status eq 'OPEN')) { - return ''; + return 0; + } + my $close=&Apache::lonnet::EXT('resource.0.discussend'); + if (defined($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)) { + return 0; + } } + return 1; +} + +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'}; } @@ -55,7 +81,9 @@ sub list_discussion { $symb=&Apache::lonnet::symbread(); } unless ($symb) { return ''; } - + my %usernamesort = (); + my %namesort =(); + my %subjectsort = (); # backward compatibility (bulletin boards used to be 'wrapped') my $ressymb=$symb; if ($mode eq 'board') { @@ -68,20 +96,79 @@ sub list_discussion { my $lastkey = $ressymb.'_lastread'; my $showkey = $ressymb.'_showonlyunread'; my $visitkey = $ressymb.'_visit'; - my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$visitkey],$ENV{'user.domain'},$ENV{'user.name'}); + my $ondispkey = $ressymb.'_markondisp'; + my $userpickkey = $ressymb.'_userpick'; + my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$visitkey,$ondispkey,$userpickkey],$ENV{'user.domain'},$ENV{'user.name'}); + my %discinfo = (); my $showonlyunread = 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']); + &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})) { - $prevread = $dischash{$lastkey}; + unless ($dischash{$lastkey} eq '') { + $prevread = $dischash{$lastkey}; + } + } + +# Get information about students and non-stundents in course for filtering display of posts + my %roleshash = (); + my %roleinfo = (); + if ($rolefilter) { + %roleshash = &Apache::lonnet::dump('nohist_userroles',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},$ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + foreach (keys %roleshash) { + my ($role,$uname,$udom,$sec) = split/:/,$_; + my ($end,$start) = split/:/,$roleshash{$_}; + my $now = time; + my $status = 'Active'; + if (($now < $start) || ($end > 0 && $now > $end)) { + $status = 'Expired'; + } + push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status; + } + my ($classlist) = &Apache::loncoursedata::get_classlist( + $ENV{'request.course.id'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, + $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); + 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; + } + } + +# Get discussion display default settings for user + my %userenv = &Apache::lonnet::get('environment',['discdisplay','discmarkread'],$ENV{'user.domain'},$ENV{'user.name'}); + my $discdisplay=$userenv{'discdisplay'}; + if ($discdisplay eq 'unread') { + $showonlyunread = 1; + } + my $discmarkread=$userenv{'discmarkread'}; + if ($discmarkread eq 'ondisp') { + $markondisp = 1; + } + +# Override user's default if user specified display setting for this discussion + if (defined($dischash{$ondispkey})) { + $markondisp = $dischash{$ondispkey}; + } + if ($markondisp) { + $discinfo{$lastkey} = time; } if (defined($dischash{$showkey})) { @@ -97,6 +184,8 @@ sub list_discussion { my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) && ($symb=~/\.(problem|exam|quiz|assess|survey|form)$/)); my @discussionitems=(); + my %shown = (); + my @posteridentity=(); my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'}, $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, $ENV{'course.'.$ENV{'request.course.id'}.'.num'}); @@ -107,6 +196,7 @@ sub list_discussion { my @replies=(); my %alldiscussion=(); my %notshown = (); + my %newitem = (); my $maxdepth=0; my $target=''; @@ -116,28 +206,35 @@ sub list_discussion { } my $now = time; - my %discinfo = (); $discinfo{$visitkey} = $visit; - $discinfo{$lastkey} = $now; &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'}); if ($contrib{'version'}) { + my $oldest = $contrib{'1:timestamp'}; + if ($prevread eq '0') { + $prevread = $oldest-1; + } for (my $id=1;$id<=$contrib{'version'};$id++) { my $idx=$id; my $posttime = $contrib{$idx.':timestamp'}; - if ($prevread > 0 && $prevread <= $posttime) { + if ($prevread <= $posttime) { $newpostsflag = 1; } my $hidden=($contrib{'hidden'}=~/\.$idx\./); my $deleted=($contrib{'deleted'}=~/\.$idx\./); my $origindex='0.'; - if (($contrib{$idx.':replyto'}) && ($ENV{'environment.threadeddiscussion'})) { + if ($contrib{$idx.':replyto'}) { + if ( (($ENV{'environment.threadeddiscussion'}) && (($sortposts eq '') || ($sortposts eq 'ascdate'))) || ($sortposts eq 'thread')) { # 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]; } + $original[$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; @@ -179,6 +276,20 @@ sub list_discussion { $contrib{$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, @@ -190,6 +301,34 @@ sub list_discussion { $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}} = ("$idx"); + } if ($seeid) { if ($hidden) { $sender.=' '; + if ($newpostsflag) { + $sender .= '&previous='.$prevread; + } + $sender .= '">'.&mt('Delete').''; } } else { if ($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'}} = ("$idx"); + } } - if (&Apache::lonnet::allowed('pch', + if (&discussion_open($status) && + &Apache::lonnet::allowed('pch', $ENV{'request.course.id'}. ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) { $sender.=' '; + 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) { - $discussionitems[$idx] .= 'NEW'; + $newitem{$idx} = 1; + $discussionitems[$idx] .= ' +

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

NEW
+ '; } $discussionitems[$idx] .= '
   '. ''.$subject.'  '. @@ -260,30 +473,97 @@ sub list_discussion { } 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', + 'ondisp' => 'Once displayed', + 'onmark' => 'Once marked read', + 'disa' => 'Posts to be displayed', + 'npce' => 'Posts cease to be marked "NEW"', + 'chgt' => 'Change', + 'disp' => 'Display', + 'nolo' => 'Not new', + ); + + my $currdisp = $lt{'allposts'}; + my $currmark = $lt{'onmark'}; + my $dispchange = $lt{'unread'}; + my $markchange = $lt{'ondisp'}; + my $chglink = '/adm/feedback?modifydisp='.$ressymb; + my $displink = 'onlyunread'; + my $marklink = 'markondisp'; + + if ($markondisp) { + $currmark = $lt{'ondisp'}; + $markchange = $lt{'onmark'}; + $marklink = 'markonread'; + } + + if ($showonlyunread) { + $currdisp = $lt{'unread'}; + $dispchange = $lt{'allposts'}; + $displink = 'allposts'; + } + + $chglink .= '&changes='.$displink.'_'.$marklink; + + if ($newpostsflag) { + $chglink .= '&previous='.$prevread; + } + if ($visible) { # Print the discusssion - $discussion.=''; - if ($visible>2) { - my $colspan=$maxdepth+1; - $discussion.=' + +
'. - ''. - ''; + } else { + $discussion.='\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. + '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. + '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. + '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. + '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}'; } my $numhidden = keys %notshown; if ($numhidden > 0) { @@ -297,20 +577,111 @@ sub list_discussion { $numhidden.' '.&mt('previously viewed posts'). '
'; } - foreach (sort { $a <=> $b } keys %alldiscussion) { - unless ($notshown{$alldiscussion{$_}} eq '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 (sort keys %subjectsort) { + push @showposts, @{$subjectsort{$_}}; + } + } elsif ($sortposts eq 'username') { + foreach my $domain (sort keys %usernamesort) { + foreach (sort keys %{$usernamesort{$domain}}) { + push @showposts, @{$usernamesort{$domain}{$_}}; + } + } + } elsif ($sortposts eq 'lastfirst') { + foreach my $last (sort keys %namesort) { + foreach (sort keys %{$namesort{$last}}) { + push @showposts, @{$namesort{$last}{$_}}; + } + } + } else { + $sortposts = 'ascdate'; + @showposts = (sort { $a <=> $b } keys %alldiscussion); + } + foreach (@showposts) { + unless (($sortposts eq 'thread') || ($sortposts eq 'ascdate' && $ENV{'environment.threadeddiscussion'})) { + $alldiscussion{$_} = $_; + } + unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) { + if ($outputtarget ne 'tex') { + $discussion.="\n"; + } else { + $discussion.='\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'; + } my $thisdepth=$depth[$alldiscussion{$_}]; - for (1..$thisdepth) { - $discussion.=''; - } + if ($outputtarget ne 'tex') { + for (1..$thisdepth) { + $discussion.=''; + } + } my $colspan=$maxdepth-$thisdepth+1; - $discussion.=''; + } else { + #cleanup block + $discussionitems[$alldiscussion{$_}]=~s/]*)>/
'. - ''.&mt('Threaded View').'  '. - ''.&mt('Chronological View').'  '; + $discussion .='
'. + ''; + if ($visible>2) { + $discussion.=''; + if ($newpostsflag) { + if (!$markondisp) { + $discussion .=''; + } + } else { + $discussion .= ''; + } + $discussion .= '
'. + ''.&mt('Threaded View').'  '. + ''.&mt('Chronological View').'   + '.&mt('Show all posts').'?'; + $discussion .='">'.&mt('Sorting/Filtering options').'  '; } else { - $discussion .= 'onlyunread='.$ressymb; - if ($newpostsflag) { - $discussion .= '&previous='.$prevread; - } - $discussion .= '">'.&mt('Show only unread posts').'?'; + $discussion .= ''; + } + $discussion .=''.&mt('Export').'?  '.&mt('Mark new posts as read').'  '; + } else { + $discussion .= '  
      '. + if ($outputtarget ne 'tex') { + $discussion.=''. $discussionitems[$alldiscussion{$_}]. '
/; + $discussionitems[$alldiscussion{$_}]=~s/]*)>]*)>/
/; + my $threadinsert=''; + if ($thisdepth > 0) { + $threadinsert='
Reply: '.$thisdepth.''; + } + $discussionitems[$alldiscussion{$_}]=~s/<\/td>]*)>/$threadinsert<\/td>		/; + $discussionitems[$alldiscussion{$_}]=~s/]+)>(Hide|Delete|Reply|Submissions)<\/a>//g; + $discussionitems[$alldiscussion{$_}]=~s/(|<\/b>|<\/a>|]+)>)//g; + + #FIXME xmlparse can't be safely called from inside xmlparse + # due to the global variables that are use, the safe + # space etc. I expect this has unforseen issues that + # need resolving. + + $discussion.=&Apache::lonxml::xmlparse('','tex',$discussionitems[$alldiscussion{$_}]); + } } } - $discussion.='


'; + if ($outputtarget ne 'tex') { + my $colspan=$maxdepth+1; + $discussion .= < + 		+ + + + +
+ + + + +END + if ($newpostsflag) { + $discussion .= + ''; + } else { + $discussion .= + ''; + } + $discussion .= <  + + +
+ $lt{'cuse'}: 1. '.$lt{'disp'}.' - '.$currdisp.'  2. '.$lt{'nolo'}.' - '.$currmark.''.$lt{'disp'}.' - '.$currdisp.' + $lt{'chgt'}?
+
+
+

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

- +

Attachment (128 KB max size):

ENDDISCUSS - $discussion.=&generate_preview_button(); + if ($outputtarget ne 'tex') { + $discussion.=&generate_preview_button(); + } } else { - if (&Apache::lonnet::allowed('pch', + if (&discussion_open($status) && + &Apache::lonnet::allowed('pch', $ENV{'request.course.id'}. ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) { - $discussion.='
'. - ''. - &mt('Post Discussion').'
'; - } + if ($outputtarget ne 'tex') { + $discussion.='
'. + ''. + &mt('Post Discussion').'
'; + } + } } return $discussion; } @@ -369,13 +745,20 @@ sub mail_screen { $prevtag = ''; } } - my $latexHelp = Apache::loncommon::helpLatexCheatsheet(); + my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(); + my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders(); + my $onsubmit=''; + if ((&Apache::lonhtmlcommon::htmlareabrowser()) && + (!&Apache::lonhtmlcommon::htmlareablocked())) { + $onsubmit='document.mailform.onsubmit();'; + } my $send=&mt('Send'); $r->print(< The LearningOnline Network with CAPA +$htmlheader