--- loncom/interface/lonmsgdisplay.pm 2006/04/22 17:10:07 1.4 +++ loncom/interface/lonmsgdisplay.pm 2006/12/23 04:39:32 1.55 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Routines for messaging display # -# $Id: lonmsgdisplay.pm,v 1.4 2006/04/22 17:10:07 albertel Exp $ +# $Id: lonmsgdisplay.pm,v 1.55 2006/12/23 04:39:32 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -74,8 +74,8 @@ email program, so they have full access interface, or other features they may wish to use in response to the student's query. -=item * B: LON-CAPA can block display of e-mails that are -sent to a student during an online exam. A course coordinator or +=item * B: LON-CAPA can block selected communication +features for students during an online exam. A course coordinator or instructor can set an open and close date/time for scheduled online exams in a course. If a user uses the LON-CAPA internal messaging system to display e-mails during the scheduled blocking event, @@ -125,6 +125,9 @@ use Apache::lonlocal; use Apache::loncommunicate; use Apache::lonfeedback; use Apache::lonrss(); +use Apache::lonselstudent(); +use lib '/home/httpd/lib/perl/'; +use LONCAPA; # Querystring component with sorting type my $sqs; @@ -134,39 +137,184 @@ my $interdis; # ============================================================ List all folders sub folderlist { - my $folder=shift; - my @allfolders=&Apache::lonnet::getkeys('email_folders'); - if ($allfolders[0]=~/^error:/) { @allfolders=(); } - return '
'. - &mt('Folder').': '. - &Apache::loncommon::select_form($folder,'folder', - ('' => &mt('INBOX'),'trash' => &mt('TRASH'), - 'new' => &mt('New Messages Only'), - 'critical' => &mt('Critical'), - 'sent' => &mt('Sent Messages'), - map { $_ => $_ } @allfolders)). - ' '.&mt('Show'). - ''. - '
'. + my ($folder,$msgstatus) = @_; + my %lt = &Apache::lonlocal::texthash( + actn => 'Action', + fold => 'Folder', + show => 'Show', + status => 'Message Status', + go => 'Go', + nnff => 'New Name for Folder', + newn => 'New Name', + thfm => 'The folder may not be renamed', + fmnb => 'folder may not be renamed as it is a folder provided by the system.', + asth => 'as this name is already in use for a system-provided or user-defined folder.', + the => 'The', + tnfm => 'The new folder may not be named', + + ); + + my %actions = &Apache::lonlocal::texthash( + view => 'View Folder', + rename => 'Rename Folder', + delete => 'Delete Folder', + ); + $actions{'select_form_order'} = ['view','rename','delete']; + + my %statushash = &get_msgstatus_types(); + + $statushash{'select_form_order'} = ['','new','read','replied','forwarded']; + + my %permfolders = &get_permanent_folders(); + my $permlist = join("','",sort(keys(%permfolders))); + my ($permlistkeys,$permlistvals); + foreach my $key (sort(keys(%permfolders))) { + $permlistvals .= $permfolders{$key}."','"; + $permlistkeys .= $key."','"; + } + $permlistvals =~ s/','$//; + $permlistkeys =~ s/','$//; + my %gotfolders = &Apache::lonmsg::get_user_folders(); + my %userfolders; + + foreach my $key (keys(%gotfolders)) { + $key =~ s/(['"])/\$1/g; #' stupid emacs + $userfolders{$key} = $key; + } + my @userorder = sort(keys(%userfolders)); + my %formhash = (%permfolders,%userfolders); + my $folderlist = join("','",@userorder); + $folderlist .= "','".$permlistvals; + + $formhash{'select_form_order'} = ['','critical',@userorder,'sent','trash']; + my $output = qq||; + $output .= ' + + + + + + +
+ + + + + + + +
'.$lt{'fold'}.'
'."\n". + &Apache::loncommon::select_form($folder,'folder',%formhash).' + 		'.$lt{'show'}.'
+ + 		'.$lt{'status'}.'
'."\n". + &Apache::loncommon::select_form($msgstatus,'msgstatus',%statushash).' + 		'.$lt{'actn'}.'
'. + &Apache::loncommon::select_form('view','folderaction',%actions).' +
'. + ' +
+ 		     + '. + '

+ 		'.&mt('New Folder').'
'. + ' +
+
'."\n". ''. - ($folder=~/^(new|critical)/?'
':''); + ''. + ($folder=~/^critical/?'':''); + return $output; +} + +sub get_permanent_folders { + my %permfolders = + &Apache::lonlocal::texthash('' => 'INBOX', + 'trash' => 'TRASH', + 'critical' => 'Critical', + 'sent' => 'Sent Messages', + ); + return %permfolders; +} + +sub get_msgstatus_types { + my %statushash = &Apache::lonlocal::texthash( + '' => 'Any', + new => 'Unread', + read => 'Read', + replied => 'Replied to', + forwarded => 'Forwarded', + ); + return %statushash; } sub scrollbuttons { - my ($start,$maxdis,$first,$finish,$total)=@_; + my ($start,$maxdis,$first,$finish,$total,$msgstatus)=@_; unless ($total>0) { return ''; } $start++; $maxdis++;$first++;$finish++; + + my %statushash = &get_msgstatus_types(); + my $status; + if ($msgstatus eq '') { + $status = &mt('All'); + } else { + $status = $statushash{$msgstatus}; + } return - &mt('Page').': '. + ''.&mt('Page').': '. ''. ''. ' of '.$maxdis. ''. '
'. - &mt('Showing messages [_1] through [_2] of [_3]',$first,$finish,$total).''; + &mt('[_1] messages: showing messages [_2] through [_3] of [_4].',$status,$first,$finish,$total).''; } # =============================================================== Status Change @@ -184,21 +332,131 @@ sub statuschange { &Apache::lonnet::put('email_status'.$suffix,{$msgid => $newstatus}); } if ($newstatus eq 'deleted') { - &movemsg(&Apache::lonnet::unescape($msgid),$folder,'trash'); - } + return &movemsg($msgid,$folder,'trash'); + } + return ; } # ============================================================= Make new folder sub makefolder { - my ($newfolder)=@_; - if (($newfolder eq 'sent') - || ($newfolder eq 'critical') - || ($newfolder eq 'trash') - || ($newfolder eq 'new')) { return; } - &Apache::lonnet::put('email_folders',{$newfolder => time}); + my ($newfolder) = @_; + my %permfolders = &get_permanent_folders(); + my %userfolders = &Apache::lonmsg::get_user_folders(); + my ($outcome,$warning); + if (defined($userfolders{$newfolder})) { + return &mt('The folder name: "[_1]" is already in use for an existing folder.',$newfolder); + } + foreach my $perm (keys(%permfolders)) { + if ($permfolders{$perm} eq $newfolder) { + return &mt('The folder name: "[_1]" is already used for one of the folders automatically generated by the system.',$newfolder); + } + } + if (&get_msgfolder_lock() eq 'ok') { + my %counter_hash = &Apache::lonnet::get('email_folders',["\0".'idcount']); + my $lastcount = $counter_hash{"\0".'idcount'}; + my $folder_id = $lastcount + 1; + while (defined($userfolders{$folder_id})) { + $folder_id ++; + } + my %folderinfo = ( id => $folder_id, + created => time, ); + $outcome = + &Apache::lonnet::put('email_folders',{$newfolder => \%folderinfo, + "\0".'idcount' => $folder_id}); + my $releaseresult = &release_msgfolder_lock(); + if ($releaseresult ne 'ok') { + $warning = $releaseresult; + } + } else { + $outcome = + &mt('Error - could not obtain lock on email folders record.'); + } + return ($outcome,$warning); } +# ============================================================= Delete folder + +sub deletefolder { + my ($folder)=@_; + my %permfolders = &get_permanent_folders(); + if (defined($permfolders{$folder})) { + return &mt('The folder [_1] may not be deleted',$folder); + } + my %userfolders = &Apache::lonmsg::get_user_folders(); + if (!defined($userfolders{$folder})) { + return &mt('The folder [_1] does not exist so deletion is not required.', + $folder); + } + # check folder is empty; + my $suffix=&Apache::lonmsg::foldersuffix($folder); + my @messages = &Apache::lonnet::getkeys('nohist_email'.$suffix); + if (@messages > 0) { + return &mt('The folder [_1] contains messages so it may not be deleted.'). + '
'. + &mt('Delete or move the messages to a different folder first.'); + } + my $delresult = &Apache::lonnet::del('email_folders',[$folder]); + return $delresult; +} + +sub renamefolder { + my ($folder) = @_; + my $newname = $env{'form.renamed'}; + my %permfolders = &get_permanent_folders(); + if ($env{'form.renamed'} eq '') { + return &mt('The folder "[_1]" may not be renamed to "[_2]" as the new name you requested is an invalid name.',$folder,$newname); + } + if (defined($permfolders{$newname})) { + return &mt('The folder "[_1]" may not be renamed to "[_2]" as the new name you requested is reserved for folders provided automatically by the system.',$folder,$newname); + } + my %userfolders = &Apache::lonmsg::get_user_folders(); + if (defined($userfolders{$newname})) { + return &mt('The folder "[_1]" may not be renamed to "[_2]" because the new name you requested is already being used for an existing folder.',$folder,$newname); + } + if (!defined($userfolders{$folder})) { + return &mt('The folder "[_1]" could not be renamed to "[_2]" because the folder does not exist.',$folder,$newname); + } + my %folderinfo; + if (ref($userfolders{$folder}) eq 'HASH') { + %folderinfo = %{$userfolders{$folder}}; + } else { + %folderinfo = ( id => $folder, + created => $userfolders{$folder},); + } + my $outcome = + &Apache::lonnet::put('email_folders',{$newname => \%folderinfo}); + if ($outcome eq 'ok') { + $outcome = &Apache::lonnet::del('email_folders',[$folder]); + } + return $outcome; +} + +sub get_msgfolder_lock { + # get lock for mail folder counter. + my $lockhash = { "\0".'lock_counter' => time, }; + my $tries = 0; + my $gotlock = &Apache::lonnet::newput('email_folders',$lockhash); + while (($gotlock ne 'ok') && $tries <3) { + $tries ++; + sleep(1); + $gotlock = &Apache::lonnet::newput('email_folders',$lockhash); + } + return $gotlock; +} + +sub release_msgfolder_lock { + # remove lock + my @del_lock = ("\0".'lock_counter'); + my $dellockoutcome=&Apache::lonnet::del('email_folders',\@del_lock); + if ($dellockoutcome ne 'ok') { + return ('
'.&mt('Warning: failed to release lock for counter').'
'); + } else { + return 'ok'; + } +} + + # ======================================================== Move between folders sub movemsg { @@ -206,125 +464,289 @@ sub movemsg { if ($srcfolder eq 'new') { $srcfolder=''; } my $srcsuffix=&Apache::lonmsg::foldersuffix($srcfolder); my $trgsuffix=&Apache::lonmsg::foldersuffix($trgfolder); + if ($srcsuffix eq $trgsuffix) { + return (0,&mt('Message not moved, Attempted to move message to the same folder as it already is in.')); + } # Copy message my %message=&Apache::lonnet::get('nohist_email'.$srcsuffix,[$msgid]); - &Apache::lonnet::put('nohist_email'.$trgsuffix,{$msgid => $message{$msgid}}); + if (!exists($message{$msgid}) || $message{$msgid} eq '') { + if (&Apache::lonnet::error(%message)) { + return (0,&mt('Message not moved, A network error occurred.')); + } else { + return (0,&mt('Message not moved as the message is no longer in the source folder.')); + } + } + + my $result =&Apache::lonnet::put('nohist_email'.$trgsuffix, + {$msgid => $message{$msgid}}); + if (&Apache::lonnet::error($result)) { + return (0,&mt('Message not moved, A network error occurred.')); + } # Copy status unless ($trgfolder eq 'trash') { - my %status=&Apache::lonnet::get('email_status'.$srcsuffix,[$msgid]); - &Apache::lonnet::put('email_status'.$trgsuffix,{$msgid => $status{$msgid}}); + my %status=&Apache::lonnet::get('email_status'.$srcsuffix,[$msgid]); + # a non-existant status is the mark of an unread msg + if (&Apache::lonnet::error(%status)) { + return (0,&mt('Message copied to new folder but status was not, A network error occurred.')); + } + my $result=&Apache::lonnet::put('email_status'.$trgsuffix, + {$msgid => $status{$msgid}}); + if (&Apache::lonnet::error($result)) { + return (0,&mt('Message copied to new folder but status was not, A network error occurred.')); + } } + # Delete orginals - &Apache::lonnet::del('nohist_email'.$srcsuffix,[$msgid]); - &Apache::lonnet::del('email_status'.$srcsuffix,[$msgid]); + my $result_del_msg = + &Apache::lonnet::del('nohist_email'.$srcsuffix,[$msgid]); + my $result_del_stat = + &Apache::lonnet::del('email_status'.$srcsuffix,[$msgid]); + if (&Apache::lonnet::error($result_del_msg)) { + return (0,&mt('Message copied, but unable to delete the original from the source folder.')); + } + if (&Apache::lonnet::error($result_del_stat)) { + return (0,&mt('Message copied, but unable to delete the original status from the source folder.')); + } + + return (1); } # ======================================================= Display a course list sub discourse { - my $r=shift; - my $classlist = &Apache::loncoursedata::get_classlist(); - my $now=time; - my %lt=&Apache::lonlocal::texthash('cfa' => 'Check All', - 'cfs' => 'Check Section/Group', - 'cfn' => 'Uncheck All'); - $r->print(< - -  - -  - -

-ENDDISHEADER - my %coursepersonnel=&Apache::lonnet::get_course_adv_roles(); - $r->print(''); - foreach my $role (sort keys %coursepersonnel) { - foreach (split(/\,/,$coursepersonnel{$role})) { - my ($puname,$pudom)=split(/\:/,$_); - $r->print(''. - ''); - } - } - $r->print('
('.$_.'),'.$role.'
'); - my $sort = sub { - my $aname=lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]); - if (!$aname) { $aname=$a; } - my $bname=lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]); - if (!$bname) { $bname=$b; } - return $aname cmp $bname; - }; - foreach my $student (sort $sort (keys(%{$classlist}))) { - my $info=$classlist->{$student}; - my ($sname,$sdom,$status,$fullname,$section) = - (@{$info}[&Apache::loncoursedata::CL_SNAME(), - &Apache::loncoursedata::CL_SDOM(), - &Apache::loncoursedata::CL_STATUS(), - &Apache::loncoursedata::CL_FULLNAME(), - &Apache::loncoursedata::CL_SECTION()]); - next if ($status ne 'Active'); - next if ($env{'request.course.sec'} && - $section ne $env{'request.course.sec'}); - my $key = 'send_to_&&&'.$section.'&&&_'.$student; - if (! defined($fullname) || $fullname eq '') { $fullname = $sname; } - $r->print(''); + |; +} + +sub groupmail_header { + my ($action,$group,$cdom,$cnum) = @_; + my ($description,$refarg); + if (!$cdom || !$cnum) { + $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + } + if (exists($env{'form.ref'})) { + $refarg = 'ref='.$env{'form.ref'}; } - $r->print('
'.$sname.'@'.$sdom.''.$section. - '
'); + if (!$group) { + $group = $env{'form.group'}; + } + if ($group eq '') { + return ''; + } else { + my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group); + if (defined($curr_groups{$group})) { + my %groupinfo = + &Apache::longroup::get_group_settings($curr_groups{$group}); + $description = &unescape($groupinfo{'description'}); + } + } + &Apache::lonhtmlcommon::clear_breadcrumbs(); + if ($refarg) { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>"/adm/coursegroups", + text=>"Groups", + title=>"View course groups"}); + } + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>"/adm/$cdom/$cnum/$group/smppg?$refarg", + text=>"Group: $description", + title=>"Go to group's home page"}, + {href=>"/adm/email?compose=group&group=". + "$env{'form.group'}&$refarg", + text=>"Send a Message in a Group", + title=>"Compose Group Email Message"},); + if ($action eq 'sending') { + &Apache::lonhtmlcommon::add_breadcrumb + ({text=>"Messages being sent.", + title=>"Messages sent"},); + } + my $groupheader = &Apache::loncommon::start_page('Group Email'); + $groupheader .= &Apache::lonhtmlcommon::breadcrumbs + ('Group - '.$env{'form.group'}.' Email'); + return $groupheader; +} + +sub groupmail_sent { + my ($group,$cdom,$cnum) = @_; + my $refarg; + if (exists($env{'form.ref'})) { + $refarg = 'ref='.$env{'form.ref'}; + } + my $output .= '

'. + &mt('Send another group email').''.'   '. + ''. &mt('Return to group page').''; + return $output; } # ==================================================== Display Critical Message sub discrit { my $r=shift; - my $header = '

'.&mt('Critical Messages').'

'. + my $header = '

'.&mt('Critical Messages').'

'. '
'. ''; my %what=&Apache::lonnet::dump('critical'); my $result = ''; - foreach (sort keys %what) { - my %content=&Apache::lonmsg::unpackagemsg($what{$_}); + foreach my $key (sort(keys(%what))) { + my %content=&Apache::lonmsg::unpackagemsg($what{$key}); next if ($content{'senderdomain'} eq ''); $result.='
'.&mt('From').': '. &Apache::loncommon::aboutmewrapper( &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).' ('. -$content{'sendername'}.'@'. +$content{'sendername'}.':'. $content{'senderdomain'}.') '.$content{'time'}. '
'.&mt('Subject').': '.$content{'subject'}. '
'.
@@ -332,8 +754,8 @@ $content{'sendername'}.'@'.
             '
'. &mt('You have to confirm that you received this message. After confirmation, this message will be moved to your regular inbox'). '
'. - ''. - ''. + ''; } # Check to see if there were any messages. @@ -349,26 +771,40 @@ $content{'sendername'}.'@'. } sub sortedmessages { - my ($blocked,$startblock,$endblock,$numblocked,$folder) = @_; + my ($blocked,$startblock,$endblock,$numblocked,$folder,$msgstatus) = @_; my $suffix=&Apache::lonmsg::foldersuffix($folder); my @messages = &Apache::lonnet::getkeys('nohist_email'.$suffix); + #unpack the varibles and repack into temp for sorting my @temp; my %descriptions; my %status_cache = &Apache::lonnet::get('email_status'.&Apache::lonmsg::foldersuffix($folder),\@messages); - foreach (@messages) { - my $msgid=&Apache::lonnet::escape($_); + + my $get_received; + if ($folder eq 'sent' + && ($env{'form.sortedby'} =~ m/^(rev)?(user|domain)$/)) { + $get_received = 1; + } + + foreach my $msgid (@messages) { + my $esc_msgid=&escape($msgid); my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$fromcid)= - &Apache::lonmsg::unpackmsgid($msgid,$folder,undef, + &Apache::lonmsg::unpackmsgid($esc_msgid,$folder,undef, \%status_cache); + next if ($msgstatus ne '' && $msgstatus ne $status); my $description = &get_course_desc($fromcid,\%descriptions); my @temp1 = ($sendtime,$shortsubj,$fromname,$fromdomain,$status, - $msgid,$description); + $esc_msgid,$description); + if ($get_received) { + my %message = &Apache::lonnet::get('nohist_email'.$suffix, + [$msgid]); + my %content = &Apache::lonmsg::unpackagemsg($message{$msgid}); + push(@temp1,$content{'recuser'},$content{'recdomain'}); + } # Check whether message was sent during blocking period. if ($sendtime >= $startblock && ($sendtime <= $endblock && $endblock > 0) ) { - my $escid = &Apache::lonnet::unescape($msgid); - $$blocked{$escid} = 'ON'; + $$blocked{$msgid} = 'ON'; $$numblocked ++; } else { push @temp ,\@temp1; @@ -383,16 +819,32 @@ sub sortedmessages { @temp = sort {$b->[0] <=> $a->[0]} @temp; } if ($env{'form.sortedby'} eq "user"){ - @temp = sort {lc($a->[2]) cmp lc($b->[2])} @temp; + if ($get_received) { + @temp = sort {lc($a->[7][0]) cmp lc($b->[7][0])} @temp; + } else { + @temp = sort {lc($a->[2]) cmp lc($b->[2])} @temp; + } } if ($env{'form.sortedby'} eq "revuser"){ - @temp = sort {lc($b->[2]) cmp lc($a->[2])} @temp; + if ($get_received) { + @temp = sort {lc($b->[7][0]) cmp lc($a->[7][0])} @temp; + } else { + @temp = sort {lc($b->[2]) cmp lc($a->[2])} @temp; + } } if ($env{'form.sortedby'} eq "domain"){ - @temp = sort {$a->[3] cmp $b->[3]} @temp; + if ($get_received) { + @temp = sort {$a->[8][0] cmp $b->[8][0]} @temp; + } else { + @temp = sort {$a->[3] cmp $b->[3]} @temp; + } } if ($env{'form.sortedby'} eq "revdomain"){ - @temp = sort {$b->[3] cmp $a->[3]} @temp; + if ($get_received) { + @temp = sort {$b->[8][0] cmp $a->[8][0]} @temp; + } else { + @temp = sort {$b->[3] cmp $a->[3]} @temp; + } } if ($env{'form.sortedby'} eq "subject"){ @temp = sort {lc($a->[1]) cmp lc($b->[1])} @temp; @@ -427,7 +879,7 @@ sub get_course_desc { if (defined($env{'course.'.$fromcid.'.description'})) { $description = $env{'course.'.$fromcid.'.description'}; } else { - my %courseinfo=&Apache::lonnet::coursedescription($fromcid); $description = $courseinfo{'description'}; + my %courseinfo=&Apache::lonnet::coursedescription($fromcid); $description = $courseinfo{'description'}; } $$descriptions{$fromcid} = $description; @@ -436,158 +888,110 @@ sub get_course_desc { } } -# ======================================================== Display new messages - - -sub disnew { - my $r=shift; - my %lt=&Apache::lonlocal::texthash( - 'nm' => 'New Messages', - 'su' => 'Subject', - 'co' => 'Course', - 'da' => 'Date', - 'us' => 'Username', - 'op' => 'Open', - 'do' => 'Domain' - ); - my @msgids = sort(&Apache::lonnet::getkeys('nohist_email')); - my @newmsgs; - my %setters = (); - my $startblock = 0; - my $endblock = 0; - my %blocked = (); - my $numblocked = 0; - # Check for blocking of display because of scheduled online exams. - &blockcheck(\%setters,\$startblock,\$endblock); - my %status_cache = - &Apache::lonnet::get('email_status',\@msgids); - my %descriptions; - foreach (@msgids) { - my $msgid=&Apache::lonnet::escape($_); - my ($sendtime,$shortsubj,$fromname,$fromdom,$status,$fromcid)= - &Apache::lonmsg::unpackmsgid($msgid,undef,undef,\%status_cache); - if (defined($sendtime) && $sendtime!~/error/) { - my $description = &get_course_desc($fromcid,\%descriptions); - my $numsendtime = $sendtime; - $sendtime = &Apache::lonlocal::locallocaltime($sendtime); - if ($status eq 'new') { - if ($numsendtime >= $startblock && ($numsendtime <= $endblock && $endblock > 0) ) { - $blocked{$_} = 'ON'; - $numblocked ++; - } else { - push @newmsgs, { - msgid => $msgid, - sendtime => $sendtime, - shortsub => &Apache::lonnet::unescape($shortsubj), - from => $fromname, - fromdom => $fromdom, - course => $description - } - } - } - } - } - if ($#newmsgs >= 0) { - $r->print(<$lt{'nm'} - - -TABLEHEAD - foreach my $msg (@newmsgs) { - $r->print(<<"ENDLINK"); - - -ENDLINK - foreach ('sendtime','from','fromdom','shortsub','course') { - $r->print(""); - } - $r->print(""); - } - $r->print('
 $lt{'da'}$lt{'us'}$lt{'do'}$lt{'su'}$lt{'co'}
$lt{'op'}$msg->{$_}
'); - } elsif ($numblocked == 0) { - $r->print("

".&mt('You have no unread messages')."

"); - } - if ($numblocked > 0) { - my $beginblock = &Apache::lonlocal::locallocaltime($startblock); - my $finishblock = &Apache::lonlocal::locallocaltime($endblock); - if ($numblocked == 1) { - $r->print("

".&mt('You have').' '.$numblocked.' '.&mt('blocked unread message').".

"); - $r->print(&mt('This message is not viewable because').' '); - } else { - $r->print("

".&mt('You have').' '.$numblocked.' '.&mt('blocked unread messages').".

"); - $r->print(&mt('These').' '.$numblocked.' '.&mt('messages are not viewable because ')); - } - $r->print( -&mt('display of LON-CAPA messages sent to you by other students between').' '.$beginblock.' '.&mt('and').' '.$finishblock.' '.&mt('is currently being blocked because of online exams').'.'); - &build_block_table($r,$startblock,$endblock,\%setters); - } -} - - # ======================================================== Display all messages sub disall { - my ($r,$folder)=@_; - $r->print(&folderlist($folder)); - if ($folder eq 'new') { - &disnew($r); - } elsif ($folder eq 'critical') { + my ($r,$folder,$msgstatus)=@_; + $r->print(&folderlist($folder,$msgstatus)); + if ($folder eq 'critical') { &discrit($r); } else { - &disfolder($r,$folder); + &disfolder($r,$folder,$msgstatus); } } # ============================================================ Display a folder sub disfolder { - my ($r,$folder)=@_; + my ($r,$folder,$msgstatus)=@_; + my %statushash = &get_msgstatus_types(); my %blocked = (); my %setters = (); - my $startblock; - my $endblock; my $numblocked = 0; - &blockcheck(\%setters,\$startblock,\$endblock); + my ($startblock,$endblock) = &Apache::loncommon::blockcheck(\%setters,'com'); + my %lt = &Apache::lonlocal::texthash( + sede => 'Select a destination folder to which the messages will be moved.', + nome => 'No messages have been selected to apply ths action to.', + chec => 'Check the checkbox for at least one message.', + ); $r->print(< + ENDDISHEADER + my $fsqs='&folder='.$folder; - my @temp=sortedmessages(\%blocked,$startblock,$endblock,\$numblocked,$folder); + my @temp=&sortedmessages(\%blocked,$startblock,$endblock,\$numblocked,$folder,$msgstatus); my $totalnumber=$#temp+1; - unless ($totalnumber>0) { - $r->print('

'.&mt('Empty Folder').'

'); + if ($totalnumber < 1) { + if ($msgstatus eq '') { + $r->print('

'.&mt('Empty Folder').'

'); + } elsif ($msgstatus eq 'replied') { + $r->print('

'.&mt('You have not replied to any messages in this folder.').'

'); + } else { + $r->print('

'.&mt('There are no '.lc($statushash{$msgstatus}).' messages in this folder.').'

'); + } return; } unless ($interdis) { $interdis=20; } my $number=int($totalnumber/$interdis); + if ($interdis) { + if ($totalnumber%$interdis == 0) { + $number--; + } + } + if (($startdis<0) || ($startdis>$number)) { $startdis=$number; } my $firstdis=$interdis*$startdis; if ($firstdis>$#temp) { $firstdis=$#temp-$interdis+1; } my $lastdis=$firstdis+$interdis-1; if ($lastdis>$#temp) { $lastdis=$#temp; } - $r->print(&scrollbuttons($startdis,$number,$firstdis,$lastdis,$totalnumber)); + $r->print(&scrollbuttons($startdis,$number,$firstdis,$lastdis,$totalnumber,$msgstatus)); $r->print(''. - '
 '); + ''); } else { @@ -624,8 +1028,12 @@ ENDDISHEADER $r->print(''.&mt('Status').''); } $r->print("\n"); + + my $suffix = &Apache::lonmsg::foldersuffix($folder); for (my $n=$firstdis;$n<=$lastdis;$n++) { - my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$origID,$description)= @{$temp[$n]}; + my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$origID, + $description,$recv_name,$recv_domain)= + @{$temp[$n]}; if (($status ne 'deleted') && defined($sendtime) && $sendtime!~/error/) { if ($status eq 'new') { $r->print(''); @@ -636,52 +1044,117 @@ ENDDISHEADER } else { $r->print(''); } - $r->print(''. - ''."\n"); + my ($dis_name,$dis_domain) = ($fromname,$fromdomain); + if ($folder eq 'sent') { + if (defined($recv_name) && !defined($recv_domain)) { + $dis_name = join('
',@{$recv_name}); + $dis_domain = join('
',@{$recv_domain}); + } else { + my $msg_id = &unescape($origID); + my %message = &Apache::lonnet::get('nohist_email'.$suffix, + [$msg_id]); + my %content = &Apache::lonmsg::unpackagemsg($message{$msg_id}); + $dis_name = join('
',@{$content{'recuser'}}); + $dis_domain = join('
',@{$content{'recdomain'}}); + } + } + my $localsenttime = &Apache::lonlocal::locallocaltime($sendtime); + my $count = $n +1; + $r->print(''); + foreach my $item ($localsenttime,$dis_name,$dis_domain,$shortsubj) { + $r->print(''); + } + my $showstatus; + my %statushash = &get_msgstatus_types(); + if ($status eq '') { + $showstatus = ''; + } else { + $showstatus = $statushash{$status}; + } + $r->print(''."\n"); } elsif ($status eq 'deleted') { # purge - &movemsg(&Apache::lonnet::unescape($origID),$folder,'trash'); + my ($result,$msg) = + &movemsg(&unescape($origID),$folder,'trash'); + } } - $r->print("
 '); if ($env{'form.sortedby'} eq "revdate") { $r->print(''.&mt('Date').'
'.&mt('Open').''. - ($folder ne 'trash'?''.&mt('Delete'):' ').''.&Apache::lonlocal::locallocaltime($sendtime).''. - $fromname.''.$fromdomain.''. - &Apache::lonnet::unescape($shortsubj).''. - $description.''.$status.'
'.(($status eq 'new')?'':''). + $count.'.'.(($status eq 'new')?'':'').' '. + ''.(($status eq 'new')?'':''). + ''. + $item.(($status eq 'new')?'':'').''.(($status eq 'new')?'':'').$description. + (($status eq 'new')?'':'').''. + (($status eq 'new')?'':'').$showstatus. + (($status eq 'new')?'':'').'
\n

". - ''.&mt('Check All').' '. - ''.&mt('Uncheck All').'

'. - ''); + $r->print("
\n"); + $r->print(' + + '."\n". + ''."\n"); + + if (keys(%gotfolders) > 0) { + $r->print(''); + } + $r->print(''."\n". + '
'. + '
'."\n". + ''."\n". + '		 '.&mt('Action').'
'."\n". + '

'); + $r->print(' '."\n"); } - $r->print('

'); - my @allfolders=&Apache::lonnet::getkeys('email_folders'); - if ($allfolders[0]=~/^error:/) { @allfolders=(); } - $r->print( - &Apache::loncommon::select_form('','movetofolder', - ( map { $_ => $_ } @allfolders)) - ); + if ($msgstatus ne 'read') { + $r->print(' ."\n"'); + } + if ($msgstatus ne 'unread') { + $r->print(' '."\n"); + } + $r->print(' '."\n"); + + my %gotfolders = &Apache::lonmsg::get_user_folders(); + if (keys(%gotfolders) > 0) { + $r->print(' '); + } + $r->print("\n".'

'.&mt('Destination folder').'
'); + my %userfolders; + foreach my $key (keys(%gotfolders)) { + $userfolders{$key} = $key; + } + $userfolders{''} = ""; + $r->print(&Apache::loncommon::select_form('','movetofolder',%userfolders). + '		   '. + '
'); my $postedstartdis=$startdis+1; - $r->print(''); + $r->print(''); if ($numblocked > 0) { my $beginblock = &Apache::lonlocal::locallocaltime($startblock); my $finishblock = &Apache::lonlocal::locallocaltime($endblock); $r->print('

'. - $numblocked.' '.&mt('message(s) is/are not viewable because display of LON-CAPA messages sent to you by other students between').' '.$beginblock.' '.&mt('and').' '.$finishblock.' '.&mt('is currently being blocked because of online exams.')); - &build_block_table($r,$startblock,$endblock,\%setters); + &mt('[quant,_1,message is, messages are] not viewable because display of LON-CAPA messages sent to you by other students between [_2] and [_3] is currently being blocked because of online exams.',$numblocked,$beginblock,$finishblock)); + $r->print(&Apache::loncommon::build_block_table($startblock,$endblock, + \%setters)); } } # ============================================================== Compose output sub compout { - my ($r,$forwarding,$replying,$broadcast,$replycrit,$folder,$dismode)=@_; + my ($r,$forwarding,$replying,$broadcast,$replycrit,$folder,$dismode, + $multiforward)=@_; my $suffix=&Apache::lonmsg::foldersuffix($folder); - - if ($broadcast eq 'individual') { + my ($cdom,$cnum,$group,$refarg); + if (exists($env{'form.group'})) { + $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + $group = $env{'form.group'}; + my $action = 'composing'; + $r->print(&groupmail_header($action,$group,$cdom,$cnum)); + } elsif ($broadcast eq 'individual') { &printheader($r,'/adm/email?compose=individual', 'Send a Message'); } elsif ($broadcast) { @@ -689,19 +1162,26 @@ sub compout { 'Broadcast Message'); } elsif ($forwarding) { &Apache::lonhtmlcommon::add_breadcrumb - ({href=>"/adm/email?display=".&Apache::lonnet::escape($forwarding), + ({href=>"/adm/email?display=".&escape($forwarding), text=>"Display Message"}); - &printheader($r,'/adm/email?forward='.&Apache::lonnet::escape($forwarding), + &printheader($r,'/adm/email?forward='.&escape($forwarding), 'Forwarding a Message'); } elsif ($replying) { &Apache::lonhtmlcommon::add_breadcrumb - ({href=>"/adm/email?display=".&Apache::lonnet::escape($replying), + ({href=>"/adm/email?display=".&escape($replying), text=>"Display Message"}); - &printheader($r,'/adm/email?replyto='.&Apache::lonnet::escape($replying), + &printheader($r,'/adm/email?replyto='.&escape($replying), 'Replying to a Message'); } elsif ($replycrit) { $r->print('

'.&mt('Replying to a Critical Message').'

'); $replying=$replycrit; + } elsif ($multiforward) { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>"/adm/email?folder=".&escape($folder), + text=>"Display All Messages"}); + &printheader($r,'/adm/email?compose=multiforward', + 'Forwarding Multiple Messages'); + $r->print(&mt('Each of the [quant,_1,message] you checked will be forwarded to the recipient(s) you select below.',$multiforward).'
'); } else { &printheader($r,'/adm/email?compose=upload', 'Distribute from Uploaded File'); @@ -712,13 +1192,18 @@ sub compout { my $dismsg=''; my $disbase=''; my $func=&mt('Send New'); - my %lt=&Apache::lonlocal::texthash('us' => 'Username', - 'do' => 'Domain', - 'ad' => 'Additional Recipients', - 'sb' => 'Subject', - 'ca' => 'Cancel', - 'ma' => 'Mail'); - + my %lt=&Apache::lonlocal::texthash('us' => 'Username', + 'do' => 'Domain', + 'ad' => 'Additional Recipients', + 'sb' => 'Subject', + 'ca' => 'Cancel', + 'ma' => 'Mail', + 'msg' => 'Messages', + 'gen' => 'Generate messages from a file', + 'gmt' => 'General message text', + 'tff' => 'The file format for the uploaded portion of the message is', + 'uas' => 'Upload and Send', + ); if (&Apache::lonnet::allowed('srm',$env{'request.course.id'}) || &Apache::lonnet::allowed('srm',$env{'request.course.id'}. '/'.$env{'request.course.sec'})) { @@ -747,7 +1232,7 @@ sub compout { $dismsg=&mt('Forwarded message from').' '. $content{'sendername'}.' '.&mt('at').' '.$content{'senderdomain'}; if ($content{'baseurl'}) { - $disbase=''; + $disbase=''; } } if ($replying) { @@ -763,92 +1248,148 @@ sub compout { $dismsg=~s/\f/\n/g; $dismsg=~s/\n+/\n\> /g; if ($content{'baseurl'}) { - $disbase=''; + $disbase=''; if ($env{'user.adv'}) { $disbase.=' '. + &escape($content{'baseurl'}).'" target="comments">'. &mt('Show re-usable messages').'
'; } } } my $citation=&displayresource(%content); + my ($can_grp_broadcast,$viewgrps,$editgrps); if ($env{'form.recdom'}) { $defdom=$env{'form.recdom'}; } - $r->print( + if ($env{'form.text'}) { $dismsg=$env{'form.text'}; } + if ($env{'form.subject'}) { $dissub=$env{'form.subject'}; } + $r->print( '
'."\n". - ''."\n". - ''); - unless (($broadcast eq 'group') || ($broadcast eq 'upload')) { + ''."\n"); + if ($broadcast eq 'group' && $env{'form.group'} ne '') { + $can_grp_broadcast = + &Apache::lonnet::allowed('sgb',$env{'request.course.id'}.'/'. + $group); + $viewgrps = + &Apache::lonnet::allowed('vcg',$env{'request.course.id'}. + ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); + $editgrps = + &Apache::lonnet::allowed('mdg',$env{'request.course.id'}. + ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); + if ($viewgrps || $editgrps || $can_grp_broadcast) { + $r->print(&disgroup($cdom,$cnum,$group,$viewgrps,$editgrps)); + } + } + $r->print('
'); + if (($broadcast eq 'group') && ($group ne '') && + (!$can_grp_broadcast && !$viewgrps && !$editgrps)) { + $r->print(&recipient_input_row($cdom,%lt)); + } + if (($broadcast ne 'group') && ($broadcast ne 'upload')) { if ($replying) { $r->print(''); } else { - my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain'); - my $selectlink=&Apache::loncommon::selectstudent_link - ('compemail','recuname','recdomain'); - $r->print(<<"ENDREC"); - - - -ENDREC + $r->print(&recipient_input_row($defdom,%lt)); } } my $latexHelp = Apache::loncommon::helpLatexCheatsheet(); - if ($broadcast ne 'upload') { - $r->print(<<"ENDCOMP"); - -
'.&mt('Replying to').' '. &Apache::loncommon::aboutmewrapper( &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).' ('. - $content{'sendername'}.'@'. + $content{'sendername'}.':'. $content{'senderdomain'}.')'. ''. ''. '
$lt{'us'}:$selectlink
$lt{'do'}:$domform
$lt{'ad'}
username\@domain,username\@domain, ... -		 -
$lt{'sb'}: -
+ my $subj_size; + if ($multiforward) { + $r->print(&additional_rec_row(\%lt)); + $r->print(''. + &mt('Unless you choose otherwise:').'
  • '. + &mt("The subject in each forwarded message will be 'Forwarding:' followed by the original subject.").'
  • '. + &mt("The message itself will begin with a first line: 'Forwarded message from' followed by the original sender's name.").'
'); + $func=&mt('Forward'); + $dissub = &mt('Forwarding').': '; + $subj_size = '10'; + my $extra = '<'.&mt('original subject').'>   '. + ''.&mt('Yes').' '.&mt('No'); + $dismsg = &mt('Forwarded message from ').' '; + my $sender = &mt("sender's name"); + $r->print(&msg_subject_row($dissub,\%lt,$subj_size,$extra)); + $r->print(''.&mt('Message begins with:').' '.$sender.'   '.&mt('Yes').' '.&mt('No').' + +
'. +$latexHelp. +&mt("Any new text to display before the text of the original messages:").'
+


'); + my @to_forward = &Apache::loncommon::get_env_multiple('form.delmark'); + foreach my $msg (@to_forward) { + $r->print(''); + } + $r->print(&submit_button_row($folder,$dismode,$func.' '.$lt{'msg'}, + \%lt)); + } elsif ($broadcast ne 'upload') { + $subj_size = '50'; + $r->print(&additional_rec_row(\%lt)); + $r->print(&msg_subject_row($dissub,\%lt,$subj_size)); + $r->print(<<"ENDCOMP"); + $latexHelp


$dispcrit $disbase - - - -
-$citation ENDCOMP + $r->print(&submit_button_row($folder,$dismode,$func.' '.$lt{'ma'}, + \%lt)); + $r->print($citation); + if (exists($env{'form.ref'})) { + $r->print(''); + } + if (exists($env{'form.group'})) { + $r->print(''); + } } else { # $broadcast is 'upload' - $r->print(<print(< -

Generate messages from a file

+

$lt{'gen'}

Subject:

-

General message text
+

$lt{'gmt'}:

-The file format for the uploaded portion of the message is: -

-username1\@domain1: text
-username2\@domain2: text
-username3\@domain1: text
-
+$lt{'tff'}: +ENDBLOCK + $r->print(' +
'."\n".
+&mt('username1:domain1: text')."\n".
+&mt('username2:domain2: text')."\n".
+&mt('username3:domain1: text')."\n".
+'

-The messages will be assembled from all lines with the respective -username\@domain, and appended to the general message text.

+'.&mt('The messages will be assembled from all lines with the respective'."\n".'username:domain, and appended to the general message text.')); + $r->print(<

$dispcrit -

+

ENDUPLOAD } if ($broadcast eq 'group') { - &discourse($r); + if ($group eq '') { + my $studentsel = &discourse(); + $r->print($studentsel); + } + } + if ($env{'form.displayedcrit'}) { + $r->print(''); } $r->print(''. &Apache::lonfeedback::generate_preview_button('compemail','message'). @@ -857,12 +1398,55 @@ ENDUPLOAD # ---------------------------------------------------- Display all face to face +sub recipient_input_row { + my ($dom,%lt) = @_; + my $domform = &Apache::loncommon::select_dom_form($dom,'recdomain'); + my $selectlink= + &Apache::loncommon::selectstudent_link('compemail','recuname', + 'recdomain'); + my $output = <<"ENDREC"; +$lt{'us'}:$selectlink +$lt{'do'}: +$domform +ENDREC + return $output; +} + +sub additional_rec_row { + my ($lt) = @_; + my $output = <<"ENDADD"; +$lt->{'ad'}:
username:domain,username:domain, ... + + +ENDADD + return $output; +} + +sub submit_button_row { + my ($folder,$dismode,$sendtext,$lt) = @_; + my $output = qq| + + + +
+|; + return $output; +} + +sub msg_subject_row { + my ($dissub,$lt,$subj_size,$extra) = @_; + my $output = ''.$lt->{'sb'}.':'.$extra. + ''; + return $output; +} + sub retrieve_instructor_comments { my ($user,$domain)=@_; my $target=$env{'form.grade_target'}; if (! $env{'request.course.id'}) { return; } - if (! &Apache::lonnet::allowed('srm',$env{'request.course.id'}) - && ! &Apache::lonnet::allowed('srm',$env{'request.course.id'}. + if (! &Apache::lonnet::allowed('dff',$env{'request.course.id'}) + && ! &Apache::lonnet::allowed('dff',$env{'request.course.id'}. '/'.$env{'request.course.sec'})) { return; } @@ -871,13 +1455,13 @@ sub retrieve_instructor_comments { $env{'course.'.$env{'request.course.id'}.'.num'}, '%255b'.$user.'%253a'.$domain.'%255d'); my $result=''; - foreach (sort(keys(%records))) { - my %content=&Apache::lonmsg::unpackagemsg($records{$_}); + foreach my $key (sort(keys(%records))) { + my %content=&Apache::lonmsg::unpackagemsg($records{$key}); next if ($content{'senderdomain'} eq ''); next if ($content{'subject'} !~ /^Record/); # &Apache::lonfeedback::newline_to_br(\$content{'message'}); $result.='Recorded by '. - $content{'sendername'}.'@'.$content{'senderdomain'}."\n"; + $content{'sendername'}.':'.$content{'senderdomain'}."\n"; $result.= &Apache::lontexconvert::msgtexconverted($content{'message'})."\n"; } @@ -888,10 +1472,10 @@ sub disfacetoface { my ($r,$user,$domain)=@_; my $target=$env{'form.grade_target'}; unless ($env{'request.course.id'}) { return; } - if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'}) - && ! &Apache::lonnet::allowed('srm',$env{'request.course.id'}. + if (!&Apache::lonnet::allowed('dff',$env{'request.course.id'}) + && ! &Apache::lonnet::allowed('dff',$env{'request.course.id'}. '/'.$env{'request.course.sec'})) { - $r->print('Not allowed'); + $r->print(&mt('Not allowed')); return; } my %records=&Apache::lonnet::dump('nohist_email', @@ -899,8 +1483,8 @@ sub disfacetoface { $env{'course.'.$env{'request.course.id'}.'.num'}, '%255b'.$user.'%253a'.$domain.'%255d'); my $result=''; - foreach (sort keys %records) { - my %content=&Apache::lonmsg::unpackagemsg($records{$_}); + foreach my $key (sort(keys(%records))) { + my %content=&Apache::lonmsg::unpackagemsg($records{$key}); next if ($content{'senderdomain'} eq ''); &Apache::lonfeedback::newline_to_br(\$content{'message'}); if ($content{'subject'}=~/^Record/) { @@ -909,7 +1493,7 @@ sub disfacetoface { $result .='

'.&mt('Broadcast Message').'

'; if ($content{'subject'}=~/^Broadcast\./) { if (defined($content{'coursemsgid'})) { - my $crsmsgid = &Apache::lonnet::escape($content{'coursemsgid'}); + my $crsmsgid = &escape($content{'coursemsgid'}); my $broadcast_message = &general_message($crsmsgid); $content{'message'} = ''.&mt('Subject').': '.$content{'message'}.'
'.$broadcast_message; } else { @@ -922,7 +1506,7 @@ sub disfacetoface { } else { $result.='

'.&mt('Critical Message').'

'; if (defined($content{'coursemsgid'})) { - my $crsmsgid=&Apache::lonnet::escape($content{'coursemsgid'}); + my $crsmsgid=&escape($content{'coursemsgid'}); my $critical_message = &general_message($crsmsgid); $content{'message'} = ''.&mt('Subject').': '.$content{'message'}.'
'.$critical_message; } else { @@ -935,7 +1519,7 @@ sub disfacetoface { $result.=&mt('By').': '. &Apache::loncommon::aboutmewrapper( &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).' ('. -$content{'sendername'}.'@'. +$content{'sendername'}.':'. $content{'senderdomain'}.') '.$content{'time'}. '
'.
               &Apache::lontexconvert::msgtexconverted($content{'message'}).
@@ -943,10 +1527,11 @@ $content{'sendername'}.'@'.
      }
     # Check to see if there were any messages.
     if ($result eq '') {
+        my $lctype = lc(&Apache::loncommon::course_type());
 	if ($target ne 'tex') { 
-	    $r->print("
".&mt("No notes, face-to-face discussion records, critical messages, or broadcast messages in this course.")."
");
+	    $r->print("
".&mt('No notes, face-to-face discussion records, critical messages, or broadcast messages in this [_1].',$lctype)."
");
 	} else {
-	    $r->print('\textbf{'.&mt("No notes, face-to-face discussion records, critical messages or broadcast messages in this course.").'}\\\\');
+	    $r->print('\textbf{'.&mt('No notes, face-to-face discussion records, critical messages or broadcast messages in this [_1].',$lctype).'}\\\\');
 	}
     } else {
        $r->print($result);
@@ -969,12 +1554,15 @@ sub general_message {
 
 sub facetoface {
     my ($r,$stage)=@_;
-    if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
-	&& ! &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
+    if (!&Apache::lonnet::allowed('dff',$env{'request.course.id'})
+	&& ! &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
 				      '/'.$env{'request.course.sec'})) {
-	$r->print('Not allowed');
+	$r->print(&mt('Not allowed'));
 	return;
     }
+    my $crstype = &Apache::loncommon::course_type();
+    my $leaders = ($crstype eq 'Group') ? 'coordinators and leaders'
+                                        : 'faculty and staff';
     &printheader($r,
 		 '/adm/email?recordftf=query',
 		 "User Notes, Face-to-Face, Critical Messages, Broadcast Messages");
@@ -992,9 +1580,9 @@ sub facetoface {
 	('stdselect','recuname','recdomain');
     my %lt=&Apache::lonlocal::texthash('user' => 'Username',
 				       'dom' => 'Domain',
-				       'head' => 'User Notes, Records of Face-To-Face Discussions, Critical Messages, and Broadcast Messages in Course',
+				       'head' => "User Notes, Records of Face-To-Face Discussions, Critical Messages, and Broadcast Messages in $crstype",
 				       'subm' => 'Retrieve discussion and message records',
-				       'newr' => 'New Record (record is visible to course faculty and staff)',
+				       'newr' => 'New Record (record is visible to '.lc($crstype).' '.$leaders.')',
 				       'post' => 'Post this Record');
     $r->print(<<"ENDTREC");
 
$lt{'head'}

@@ -1015,13 +1603,9 @@ ENDTREC
         ($env{'form.recdomain'}) && ($env{'form.recuname'})) {
         chomp($env{'form.newrecord'});
         if ($env{'form.newrecord'}) {
-           my $recordtxt = $env{'form.newrecord'};
-           &Apache::lonmsg::user_normal_msg_raw(
-            $env{'course.'.$env{'request.course.id'}.'.num'},
-            $env{'course.'.$env{'request.course.id'}.'.domain'},
-            &mt('Record').
-	     ' ['.$env{'form.recuname'}.':'.$env{'form.recdomain'}.']',
-	    $recordtxt);
+	    &Apache::lonmsg::store_instructor_comment($env{'form.newrecord'},
+						      $env{'form.recuname'},
+						      $env{'form.recdomain'});
         }
         $r->print('
'.&Apache::loncommon::plainname($env{'form.recuname'},
 				     $env{'form.recdomain'}).'
');
@@ -1047,24 +1631,28 @@ ENDBFORM
 sub examblock {
     my ($r,$action) = @_;
     unless ($env{'request.course.id'}) { return;}
-    if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
-	&& ! &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
+    if (!&Apache::lonnet::allowed('dcm',$env{'request.course.id'})
+	&& ! &Apache::lonnet::allowed('dcm',$env{'request.course.id'}.
 				      '/'.$env{'request.course.sec'})) {
 	$r->print('Not allowed');
 	return;
     }
+    my $usertype = (&Apache::loncommon::course_type() eq 'Group') ? 'members'
+	                                                          : 'students';
     my %lt=&Apache::lonlocal::texthash(
             'comb' => 'Communication Blocking',
             'cbds' => 'Communication blocking during scheduled exams',
-            'desc' => 'You can use communication blocking to prevent students enrolled in this course from displaying LON-CAPA messages sent by other students during an online exam. As blocking of communication could potentially interrupt legitimate communication between students who are also both enrolled in a different LON-CAPA course, please be careful that you select the correct start and end times for your scheduled exam when setting or modifying these parameters.',
+            'desc' => "You can use communication blocking to prevent $usertype enrolled in this course from displaying LON-CAPA messages sent by other $usertype during an online exam. As blocking of communication could potentially interrupt legitimate communication between $usertype who are also both enrolled in a different LON-CAPA course, please be careful that you select the correct start and end times for your scheduled exam when setting or modifying these parameters.",
              'mecb' => 'Modify existing communication blocking periods',
-             'ncbc' => 'No communication blocks currently stored'
+             'ncbc' => 'No communication blocks currently stored',
+             'stor' => 'Store',
     );
 
     my %ltext = &Apache::lonlocal::texthash(
             'dura' => 'Duration',
             'setb' => 'Set by',
             'even' => 'Event',
+            'blck' => 'Blocked?',
             'actn' => 'Action',
             'star' => 'Start',
             'endd' => 'End'
@@ -1096,7 +1684,7 @@ sub examblock {
     $r->print(<<"END");
 

 
-
+
 
 $end_page
 END
@@ -1107,10 +1695,6 @@ sub blockstore {
     my $r = shift;
     my %lt=&Apache::lonlocal::texthash(
             'tfcm' => 'The following changes were made',
-            'cbps' => 'communication blocking period(s)',
-            'werm' => 'was/were removed',
-            'wemo' => 'was/were modified',
-            'wead' => 'was/were added',
             'ncwm' => 'No changes were made.' 
     );
     my %adds = ();
@@ -1121,35 +1705,40 @@ sub blockstore {
     my $addtotal = 0;
     my %blocking = ();
     $r->print('
'.$lt{'head'}.'
');
-    foreach (keys %env) {
-        if ($_ =~ m/^form\.modify_(\w+)$/) {
+    foreach my $envkey (keys(%env)) {
+        if ($envkey =~ m/^form\.modify_(\d+)$/) {
             $adds{$1} = $1;
             $removals{$1} = $1;
             $modtotal ++;
-        } elsif ($_ =~ m/^form\.cancel_(\d+)$/) {
+        } elsif ($envkey =~ m/^form\.cancel_(\d+)$/) {
             $cancels{$1} = $1;
             unless ( defined($removals{$1}) ) {
                 $removals{$1} = $1;
                 $canceltotal ++;
             }
-        } elsif ($_ =~ m/^form\.add_(\d+)$/) {
+        } elsif ($envkey =~ m/^form\.add_(\d+)$/) {
             $adds{$1} = $1;
             $addtotal ++;
-        }
+        } 
     }
 
-    foreach (keys %removals) {
-        my $hashkey = $env{'form.key_'.$_};
+    foreach my $key (keys(%removals)) {
+        my $hashkey = $env{'form.key_'.$key};
         &Apache::lonnet::del('comm_block',["$hashkey"],
                          $env{'course.'.$env{'request.course.id'}.'.domain'},
                          $env{'course.'.$env{'request.course.id'}.'.num'}
                          );
     }
-    foreach (keys %adds) {
-        unless ( defined($cancels{$_}) ) {
-            my ($newstart,$newend) = &get_dates_from_form($_);
+    foreach my $key (keys(%adds)) {
+        unless ( defined($cancels{$key}) ) {
+            my ($newstart,$newend) = &get_dates_from_form($key);
             my $newkey = $newstart.'____'.$newend;
-            $blocking{$newkey} = $env{'user.name'}.'@'.$env{'user.domain'}.':'.$env{'form.title_'.$_};
+            my $blocktypes = &get_block_choices($key);
+            $blocking{$newkey} = {
+                          setter => $env{'user.name'}.':'.$env{'user.domain'},
+                          event  => &escape($env{'form.title_'.$key}),
+                          blocks => $blocktypes,
+                        };
         }
     }
     if ($addtotal + $modtotal > 0) {
@@ -1162,13 +1751,13 @@ sub blockstore {
     if ($chgestotal > 0) {
         $r->print($lt{'tfcm'}.'
    ');
         if ($canceltotal > 0) {
-            $r->print('
  • '.$canceltotal.' '.$lt{'cbps'},' '.$lt{'werm'}.'
    • ');
+            $r->print('
  • '.&mt('[quant,_1,communication blocking period was,communication blocking periods were] removed.',$canceltotal).'
    • ');
         }
         if ($modtotal > 0) {
-            $r->print('
  • '.$modtotal.' '.$lt{'cbps'},' '.$lt{'wemo'}.'
    • ');
+            $r->print('
  • '.&mt('[quant,_1,communication blocking period was,communication blocking periods were] modified.',$modtotal).'
    • ');
         }
         if ($addtotal > 0) {
-            $r->print('
  • '.$addtotal.' '.$lt{'cbps'},' '.$lt{'wead'}.'
    • ');
+            $r->print('
  • '.&mt('[quant,_1,communication blocking period was,communication blocking periods were] added.',$addtotal).'
    • ');
         }
         $r->print('
');
     } else {
@@ -1192,70 +1781,84 @@ sub get_blockdates {
                          $env{'course.'.$env{'request.course.id'}.'.domain'},
                          $env{'course.'.$env{'request.course.id'}.'.num'}
                          );
-    $$blockcount = keys %{$records};
-                                                                                                             
-    foreach (keys %{$records}) {
-        if ($_ eq 'error: 2 tie(GDBM) Failed while attempting dump') {
-            $$blockcount = 0;
-            last;
+    $$blockcount = keys(%{$records});
+
+    if ((keys(%{$records}))[0] =~ /^error: 2 /) {
+	$records = {};
+	$$blockcount = 0;
+    }
+}
+
+sub get_block_choices {
+    my $item = shift;
+    my $blocklist;
+    my ($typeorder,$types) = &blocktype_text();
+    foreach my $type (@{$typeorder}) {
+        if ($env{'form.'.$type.'_'.$item}) {
+            $blocklist->{$type} = 'on'; 
+        } else {
+            $blocklist->{$type} = 'off';
         }
     }
+    return $blocklist;
 }
 
 sub display_blocker_status {
     my ($r,$records,$ltext) = @_;
     my $parmcount = 0;
-    my @bgcols = ("#eeeeee","#dddddd");
-    my $function = &Apache::loncommon::get_users_function();
-    my $color = &Apache::loncommon::designparm($function.'.tabbg',
-                                                    $env{'user.domain'});
+  
     my %lt = &Apache::lonlocal::texthash(
         'modi' => 'Modify',
         'canc' => 'Cancel',
     );
+    my ($typeorder,$types) = &blocktype_text();
+    $r->print(&Apache::loncommon::start_data_table());
     $r->print(<<"END");
-
- 
-  
- 

-   
-    
-     
-    
-   

-      
-       
-        
-        
-        
-        
-       
+  
+    
+    
+    
+    
+    
+  
 END
-    foreach (sort keys %{$records}) {
-        my $iter = $parmcount%2;
+    foreach my $record (sort(keys(%{$records}))) {
         my $onchange = 'onFocus="javascript:window.document.forms['.
                        "'blockform'].elements['modify_".$parmcount."'].".
                        'checked=true;"';
-        my ($start,$end) = split/____/,$_;
+        my ($start,$end) = split(/____/,$record);
         my $startform = &Apache::lonhtmlcommon::date_setter('blockform','startdate_'.$parmcount,$start,$onchange);
         my $endform = &Apache::lonhtmlcommon::date_setter('blockform','enddate_'.$parmcount,$end,$onchange);
-        my ($setter,$title) = split/:/,$$records{$_};
-        my ($setuname,$setudom) = split/@/,$setter;
-        my $settername = &Apache::loncommon::plainname($setuname,$setudom);
+	
+	my ($setuname,$setudom,$title,$blocks) = 
+	    &Apache::loncommon::parse_block_record($$records{$record});
+	$title = &HTML::Entities::encode($title,'"<>&');
+        my $settername = 
+           &Apache::loncommon::aboutmewrapper(
+                           &Apache::loncommon::plainname($setuname,$setudom),
+                           $setuname,$setudom);
+        $r->print(&Apache::loncommon::start_data_table_row());
         $r->print(<<"END");
-       
-        
+        
-        
+        
+        
 END
-        $parmcount ++;
+        $r->print(&Apache::loncommon::end_data_table_row());
+        $parmcount++;
     }
     $r->print(<<"END");
-      
$$ltext{'dura'}$$ltext{'setb'}$$ltext{'even'}$$ltext{'actn'}?
$ltext->{'dura'}$ltext->{'setb'}$ltext->{'even'}$ltext->{'blck'}$ltext->{'actn'}?
$$ltext{'star'}: $startform
$$ltext{'endd'}:  $endform		$ltext->{'star'}: $startform
$ltext->{'endd'}:  $endform		
         $settername
+END
+        foreach my $block (@{$typeorder}) {
+            my $blockstatus = '';
+            if ($blocks->{$block} eq 'on') {
+                $blockstatus = 'checked="true"';
+            }
+            $r->print('
');
+        }
+        $r->print(<<"END");
+        		      
         

-       

-     

-  

 

 

 

@@ -1272,158 +1875,68 @@ sub display_addblocker_table {
                    'checked=true;"';
     my $startform = &Apache::lonhtmlcommon::date_setter('blockform','startdate_'.$parmcount,$start,$onchange);
     my $endform = &Apache::lonhtmlcommon::date_setter('blockform','enddate_'.$parmcount,$end,$onchange);
-    my $function = &Apache::loncommon::get_users_function();
-    my $color = &Apache::loncommon::designparm($function.'.tabbg',
-                                                    $env{'user.domain'});
     my %lt = &Apache::lonlocal::texthash(
         'addb' => 'Add block',
         'exam' => 'e.g., Exam 1',
         'addn' => 'Add new communication blocking periods'
     );
+    my ($typeorder,$types) = &blocktype_text();
     $r->print(<<"END");
 
$lt{'addn'}
 
-
- 
-  
- 
-

-   
-    
-     
-    
-   

-      
-       
-        
-        
-        
-       
-       
-        
-        
-        
-       
-      
$$ltext{'dura'}$$ltext{'even'} $lt{'exam'}$$ltext{'actn'}?
$$ltext{'star'}: $startform
$$ltext{'endd'}:  $endform

-     

-  

 END
+    $r->print(&Apache::loncommon::start_data_table());
+    $r->print(<<"END");
+   
+     $ltext->{'dura'}
+     $ltext->{'even'} $lt{'exam'}
+     $ltext->{'blck'}
+     $ltext->{'actn'}?
+   
+END
+    $r->print(&Apache::loncommon::start_data_table_row());
+    $r->print(<<"END");
+     $ltext->{'star'}: $startform
$ltext->{'endd'}:  $endform
+     
+     
+END
+    foreach my $block (@{$typeorder}) {
+        $r->print('
');
+     }
+     $r->print(<<"END");
+      
+     
+END
+    $r->print(&Apache::loncommon::end_data_table_row());
+    $r->print(&Apache::loncommon::end_data_table());
     return;
 }
 
-sub blockcheck {
-    my ($setters,$startblock,$endblock) = @_;
-    # Retrieve active student roles and active course coordinator/instructor roles
-    my @livecses = ();
-    my @staffcses = ();
-    $$startblock = 0;
-    $$endblock = 0;
-    foreach (keys %env) {
-        if ($_ =~ m-^user\.role\.(st|cc|in)\./(.+)$-) {
-            my $role = $1;
-            my $cse = $2;
-            $cse =~ s|/|_|;
-            if ($env{$_} =~ m/^(\d*)\.(\d*)$/) {
-                unless (($2 > 0 && $2 < time) || ($1 > time)) {
-                    if ($role eq 'st') {
-                        push @livecses, $cse;
-                    } else {
-                        unless (grep/^$cse$/,@staffcses) {
-                            push @staffcses, $cse;
-                        }
-                    }
-                }
-            }
-        } elsif ($_ =~ m-user\.role\.cr/(\w+)/(\w+)/([^/]+)\./(.+)$- ) { 
-            my $rolepriv = $env{'user.role..rolesdef_'.$3};
-        }
-    }
-    # Retrieve blocking times and identity of blocker for active courses for students.
-    if (@livecses > 0) {
-        foreach my $cse (@livecses) {
-            my ($cdom,$crs) = split/_/,$cse;
-            if ( (grep/^$cse$/,@staffcses) && ($env{'request.role'} !~ m-^st\./$cdom/$crs$-) ) {
-                next;
-            } else {
-                %{$$setters{$cse}} = ();
-                @{$$setters{$cse}{'staff'}} = ();
-                @{$$setters{$cse}{'times'}} = ();
-                my %records = &Apache::lonnet::dump('comm_block',$cdom,$crs);
-                foreach (keys %records) {
-                    if ($_ =~ m/^(\d+)____(\d+)$/) {
-                        if ($1 <= time && $2 >= time) {
-                            my ($staff,$title) = split/:/,$records{$_};
-                            push @{$$setters{$cse}{'staff'}}, $staff;
-                            push @{$$setters{$cse}{'times'}}, $_;
-                            if ( ($$startblock == 0) || ($$startblock > $1) ) {
-                                $$startblock = $1;
-                            }
-                            if ( ($$endblock == 0) || ($$endblock < $2) ) {
-                                $$endblock = $2;
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    }
-}
-
-sub build_block_table {
-    my ($r,$startblock,$endblock,$setters) = @_;
-    my $function = &Apache::loncommon::get_users_function();
-    my $color = &Apache::loncommon::designparm($function.'.tabbg',
-                                                    $env{'user.domain'});
-    my %lt = &Apache::lonlocal::texthash(
-        'cacb' => 'Currently active communication blocks',
-        'cour' => 'Course',
-        'dura' => 'Duration',
-        'blse' => 'Block set by'
-    ); 
-    $r->print(<<"END");
-
$lt{'cacb'}:


-
- 
-  

-   
-    
-     

-      
-       
-        
-        
-        
-       
-END
-    foreach (keys %{$setters}) {
-        my %courseinfo=&Apache::lonnet::coursedescription($_);
-        for (my $i=0; $i<@{$$setters{$_}{staff}}; $i++) {
-            my ($uname,$udom) = split/\@/,$$setters{$_}{staff}[$i];
-            my $fullname = &Apache::loncommon::plainname($uname,$udom);
-            my ($openblock,$closeblock) = split/____/,$$setters{$_}{times}[$i];
-            $openblock = &Apache::lonlocal::locallocaltime($openblock);
-            $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
-            $r->print(''.
-                      ''.
-                      '');
-        }
-    }
-    $r->print('
$lt{'cour'}$lt{'dura'}$lt{'blse'}
'.$courseinfo{'description'}.''.$openblock.' to '.$closeblock.''.$fullname.' ('.$uname.'@'.$udom.
-                      ')
');
+sub blocktype_text {
+    my %types = &Apache::lonlocal::texthash(
+        'com' => 'Messaging',
+        'chat' => 'Chat',
+        'boards' => 'Discussion',
+        'port' => 'Portfolio',
+        'groups' => 'Groups',
+        'blogs' => 'Blogs',
+    );
+    my $typeorder = ['com','chat','boards','port','groups','blogs'];
+    return ($typeorder,\%types);
 }
 
 # ----------------------------------------------------------- Display a message
 
 sub displaymessage {
-    my ($r,$msgid,$folder)=@_;
+    my ($r,$msgid,$folder,$msgstatus)=@_;
     my $suffix=&Apache::lonmsg::foldersuffix($folder);
     my %blocked = ();
     my %setters = ();
-    my $startblock = 0;
-    my $endblock = 0;
     my $numblocked = 0;
+    my $crstype = &Apache::loncommon::course_type();
+
 # info to generate "next" and "previous" buttons and check if message is blocked
-    &blockcheck(\%setters,\$startblock,\$endblock);
-    my @messages=&sortedmessages(\%blocked,$startblock,$endblock,\$numblocked,$folder);
+    my ($startblock,$endblock) = &Apache::loncommon::blockcheck(\%setters,'com');
+    my @messages=&sortedmessages(\%blocked,$startblock,$endblock,\$numblocked,$folder,$msgstatus);
     if ( $blocked{$msgid} eq 'ON' ) {
         &printheader($r,'/adm/email',&mt('Display a Message'));
         $r->print(&mt('You attempted to display a message that is currently blocked because you are enrolled in one or more courses for which there is an ongoing online exam.'));
@@ -1436,7 +1949,7 @@ sub displaymessage {
 
     my $counter=0;
     $r->print('
');
-    my $escmsgid=&Apache::lonnet::escape($msgid);
+    my $escmsgid=&escape($msgid);
     foreach (@messages) {
 	if ($_->[5] eq $escmsgid){
 	    last;
@@ -1446,20 +1959,19 @@ sub displaymessage {
     $r->print('
');
     my $number_of_messages = scalar(@messages); #subtract 1 for last index
 # start output
-    &printheader($r,'/adm/email?display='.&Apache::lonnet::escape($msgid),'Display a Message','',$content{'baseurl'});
+    &printheader($r,'/adm/email?display='.&escape($msgid),'Display a Message','',$content{'baseurl'});
     my %courseinfo=&Apache::lonnet::coursedescription($content{'courseid'});
 # Functions
     $r->print(''.
-	      ''.
-	      ''.
-	      ''.
-	      ''.
 	      '');
     if ($counter > 0){
 	$r->print('
'.&mt('Functions').':'.&mt('Reply').''.&mt('Forward').''.&mt('Mark Unread').''.&mt('Delete').''.&mt('Back to Folder Display').''.
 	       $content{'baseurl'}.' ('.&Apache::lonnet::gettitle($content{'baseurl'}).')':'').
@@ -1555,13 +2067,12 @@ sub header {
     
     my $extra = &Apache::loncommon::studentbrowser_javascript();
     if ($baseurl) {
-	$extra .= "";
+	$extra .= "";
     }
     $r->print(&Apache::loncommon::start_page('Communication and Messages',
-					     $extra));
+ 					$extra));
     $r->print(&Apache::lonhtmlcommon::breadcrumbs
-	      (undef,($title?$title:'Communication and Messages')));
-
+     		(($title?$title:'Communication and Messages')));
 }
 
 # ---------------------------------------------------------------- Print header
@@ -1580,27 +2091,27 @@ sub storecomment {
     my ($r)=@_;
     my $msgtxt=&Apache::lonfeedback::clear_out_html($env{'form.message'});
     my $cleanmsgtxt='';
-    foreach (split(/[\n\r]/,$msgtxt)) {
-	unless ($_=~/^\s*(\>|\>\;)/) {
-	    $cleanmsgtxt.=$_."\n";
+    foreach my $line (split(/[\n\r]/,$msgtxt)) {
+	unless ($line=~/^\s*(\>|\>\;)/) {
+	    $cleanmsgtxt.=$line."\n";
 	}
     }
-    my $key=&Apache::lonnet::escape($env{'form.baseurl'}).'___'.time;
+    my $key=&escape($env{'form.baseurl'}).'___'.time;
     &Apache::lonnet::put('nohist_stored_comments',{ $key => $cleanmsgtxt });
 }
 
 sub storedcommentlisting {
     my ($r)=@_;
     my %msgs=&Apache::lonnet::dump('nohist_stored_comments',undef,undef,
-       '^'.&Apache::lonnet::escape(&Apache::lonnet::escape($env{'form.showcommentbaseurl'})));
+       '^'.&escape(&escape($env{'form.showcommentbaseurl'})));
     $r->print(&Apache::loncommon::start_page('Stored Comment Listing',undef,
 					     {'onlybody' => 1}));
     if ((keys %msgs)[0]=~/^error\:/) {
 	$r->print(&mt('No stored comments yet.'));
     } else {
 	my $found=0;
-	foreach (sort keys %msgs) {
-	    $r->print("\n".$msgs{$_}."
");
+	foreach my $key (sort(keys(%msgs))) {
+	    $r->print("\n".$msgs{$key}."
");
 	    $found=1;
 	}
 	unless ($found) {
@@ -1617,8 +2128,22 @@ sub sendoffmail {
     my $sendstatus='';
     my %specialmsg_status;
     my $numspecial = 0;
+    my ($cdom,$cnum,$group);
+    if (exists($env{'form.group'})) {
+        $group = $env{'form.group'};
+    }
+    if (exists($env{'request.course.id'})) {
+        $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+        $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    }
     if ($env{'form.send'}) {
-	&printheader($r,'','Messages being sent.');
+        if (!$env{'form.multiforward'}) { 
+            if ($group eq '') {
+	        &printheader($r,'','Messages being sent.');
+            } else {
+                $r->print(&groupmail_header('sending',$group));
+            }
+        }
 	$r->rflush();
 	my %content=();
 	undef %content;
@@ -1636,36 +2161,56 @@ sub sendoffmail {
 	    %content=&Apache::lonmsg::unpackagemsg($message{$msgid},1);
 	    &statuschange($msgid,'replied',$folder);
 	}
-	my %toaddr=();
-	undef %toaddr;
-	if ($env{'form.sendmode'} eq 'group') {
-	    foreach (keys %env) {
-		if ($_=~/^form\.send\_to\_\&\&\&[^\&]*\&\&\&\_(.+)$/) {
-		    $toaddr{$1}='';
+
+	my @to =
+	    &Apache::loncommon::get_env_multiple('form.selectedusers_forminput');
+	my $mode = $env{'form.sendmode'};
+
+	my %toaddr;
+	if (@to) {
+	    foreach my $dest (@to) {
+		my ($user,$domain) = split(/:/, $dest);
+		if (($user ne '') && ($domain ne '')) {
+		    my $address = $user.":".$domain; # How the code below expects it.
+		    $toaddr{$address} = '';
 		}
 	    }
+	}
+
+	if ($env{'form.sendmode'} eq 'group') {
+	     foreach my $address (keys(%env)) {
+	 	if ($address=~/^form\.send\_to\_\&\&\&[^\&]*\&\&\&\_(.+)$/) {
+	 	    $toaddr{$1}='';
+	 	}
+	    }
 	} elsif ($env{'form.sendmode'} eq 'upload') {
-	    foreach (split(/[\n\r\f]+/,$env{'form.upfile'})) {
-		my ($rec,$txt)=split(/\s*\:\s*/,$_);
+	    foreach my $line (split(/[\n\r\f]+/,$env{'form.upfile'})) {
+                my ($rec,$txt) = ($line =~ /^([^:]+:[^:]+):(.*)$/);
 		if ($txt) {
-		    $rec=~s/\@/\:/;
+                    $rec =~ s/^\s+//;
+                    $rec =~ s/\s+$//;
 		    $toaddr{$rec}.=$txt."\n";
 		}
 	    }
 	} else {
-	    $toaddr{$env{'form.recuname'}.':'.$env{'form.recdomain'}}='';
+	    if (($env{'form.recuname'} ne '') && ($env{'form.recdomain'} ne '')) {
+		$toaddr{$env{'form.recuname'}.':'.$env{'form.recdomain'}}='';
+	    }
 	}
 	if ($env{'form.additionalrec'}) {
-	    foreach (split(/\,/,$env{'form.additionalrec'})) {
-		my ($auname,$audom)=split(/\@/,$_);
-		$toaddr{$auname.':'.$audom}='';
+	    foreach my $rec (split(/\,/,$env{'form.additionalrec'})) {
+		my ($auname,$audom)=split(/:/,$rec);
+		if (($auname ne "") && ($audom ne "")) {
+		    $toaddr{$auname.':'.$audom}='';
+		}
 	    }
 	}
 
         my $savemsg;
         my $msgtype;
         my %sentmessage;
-        my $msgsubj=&Apache::lonfeedback::clear_out_html($env{'form.subject'});
+        my $msgsubj=&Apache::lonfeedback::clear_out_html($env{'form.subject'},
+							 undef,1);
         if ((($env{'form.critmsg'}) || ($env{'form.sendbck'})) &&
             (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 	     || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
@@ -1677,33 +2222,43 @@ sub sendoffmail {
             $savemsg=&Apache::lonfeedback::clear_out_html($env{'form.message'});
         }
 	
-	foreach (keys %toaddr) {
-	    my ($recuname,$recdomain)=split(/\:/,$_);
+	foreach my $address (sort(keys(%toaddr))) {
+	    my ($recuname,$recdomain)=split(/\:/,$address);
             my $msgtxt = $savemsg;
-	    if ($toaddr{$_}) { $msgtxt.='
'.$toaddr{$_}; }
-	    my $thismsg;
+	    if ($toaddr{$address}) { $msgtxt.='
'.$toaddr{$address}; }
+	    my @thismsg;
 	    if ((($env{'form.critmsg'}) || ($env{'form.sendbck'})) && 
 		(&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 		 || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
 					     '/'.$env{'request.course.sec'}))) {
-		$r->print(&mt('Sending critical message').' '.$recuname.'@'.$recdomain.': ');
-		$thismsg=&Apache::lonmsg::user_crit_msg($recuname,$recdomain,$msgsubj,$msgtxt,
-				$env{'form.sendbck'},$env{'form.permanent'},
-                                                             \$sentmessage{$_});
+		$r->print(&mt('Sending critical message').' '.$recuname.':'.$recdomain.': ');
+		@thismsg=
+		    &Apache::lonmsg::user_crit_msg($recuname,$recdomain,
+						   $msgsubj,$msgtxt,
+						   $env{'form.sendbck'},
+						   $env{'form.permanent'},
+						   \$sentmessage{$address});
 	    } else {
-		$r->print(&mt('Sending').' '.$recuname.'@'.$recdomain.': ');
-		$thismsg=&Apache::lonmsg::user_normal_msg($recuname,$recdomain,$msgsubj,$msgtxt,
-					  $content{'citation'},undef,undef,$env{'form.permanent'},\$sentmessage{$_});
+		$r->print(&mt('Sending').' '.$recuname.':'.$recdomain.': ');
+		@thismsg=
+		    &Apache::lonmsg::user_normal_msg($recuname,$recdomain,
+						     $msgsubj,$msgtxt,
+						     $content{'citation'},
+						     undef,undef,
+						     $env{'form.permanent'},
+						     \$sentmessage{$address});
             }
 	    if (($env{'request.course.id'}) && (($msgtype eq 'critical') || 
                                          ($env{'form.sendmode'} eq 'group'))) {
-	        $specialmsg_status{$recuname.':'.$recdomain}  = $thismsg;
-                if ($thismsg eq 'ok') {
-                    $numspecial ++;
-                }
+	        $specialmsg_status{$recuname.':'.$recdomain} =
+		    join(' ',@thismsg);
+		foreach my $result (@thismsg) {
+		    if ($result eq 'ok') {
+			$numspecial++;
+		    }
+		}
 	    }
-	    $r->print($thismsg.'
');
-	    $sendstatus.=' '.$thismsg;
+	    $sendstatus.=' '.join(' ',@thismsg);
 	}
         if (($env{'request.course.id'}) && (($env{'form.sendmode'} eq 'group')
                                               || ($msgtype eq 'critical'))) {
@@ -1714,22 +2269,21 @@ sub sendoffmail {
                 $subj_prefix = 'Broadcast.';
             }
             my ($specialmsgid,$specialresult);
-            my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-            my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-            my $course_str = &Apache::lonnet::escape('['.$cnum.':'.$cdom.']');
+            my $course_str = &escape('['.$cnum.':'.$cdom.']');
 
             if ($numspecial) {
                 $specialresult = &Apache::lonmsg::user_normal_msg_raw($cnum,$cdom,$subj_prefix.
                     ' '.$course_str,$savemsg,undef,undef,undef,
                     undef,undef,\$specialmsgid);
-                $specialmsgid = &Apache::lonnet::unescape($specialmsgid);
+                $specialmsgid = &unescape($specialmsgid);
             }
             if ($specialresult eq 'ok') {
                 my $record_sent;
-                my @recusers = ();
-                my @recudoms = ();
-                my ($stamp,$crssubj,$msgname,$msgdom,$msgcount,$context,$pid) = 
-                            split(/\:/,&Apache::lonnet::unescape($specialmsgid));
+                my @recusers;
+                my @recudoms;
+                my ($stamp,$crssubj,$msgname,$msgdom,$msgcount,$context,$pid) =
+		    split(/\:/,&unescape($specialmsgid));
+
                 foreach my $recipient (sort(keys(%toaddr))) {
                     if ($specialmsg_status{$recipient} eq 'ok') {
                         my $usersubj = $subj_prefix.'['.$recipient.']';
@@ -1741,15 +2295,15 @@ sub sendoffmail {
                         &Apache::lonmsg::user_normal_msg_raw($cnum,$cdom,$subj_prefix.
                                              ' ['.$recipient.']',$msgsubj,undef,
                         undef,undef,undef,$usermsgid,undef,undef,$specialmsgid);
-                        my ($uname,$udom) = split/:/,$recipient;
+                        my ($uname,$udom) = split(/:/,$recipient);
                         push(@recusers,$uname);
                         push(@recudoms,$udom);
                     }
                 }
                 if (@recusers) {
                     my $specialmessage;
-                    my $sentsubj = $subj_prefix.' ('.$numspecial.' sent) '.
-                                                                       $msgsubj;
+                    my $sentsubj = 
+			$subj_prefix.' ('.$numspecial.' sent) '.$msgsubj;
                     $sentsubj = &HTML::Entities::encode($sentsubj,'<>&"');
                     my $sentmsgid = 
 			&Apache::lonmsg::buildmsgid($stamp,$sentsubj,$msgname,
@@ -1766,19 +2320,24 @@ sub sendoffmail {
     } else {
 	&printheader($r,'','No messages sent.'); 
     }
-    if ($sendstatus=~/^(\s*(?:ok|con_delayed)\s*)*$/) {
-	$r->print('
'.&mt('Completed.').'');
-	if ($env{'form.displayedcrit'}) {
-	    &discrit($r);
-	} else {
-	    &Apache::loncommunicate::menu($r);
-	}
-    } else {
-	$r->print(
-		  '
'.&mt('Could not deliver message').'
'.
-		  &mt('Please use the browser "Back" button and correct the recipient addresses')
-		  );
+    if (!$env{'form.multiforward'}) { 
+        if ($sendstatus=~/^(\s*(?:ok|con_delayed)\s*)*$/) {
+	    $r->print('
'.&mt('Completed.').
+                      '');
+	    if ($env{'form.displayedcrit'}) {
+	        &discrit($r);
+            }
+            if ($group ne '') {
+                $r->print(&groupmail_sent($group,$cdom,$cnum)); 
+	    } else {
+	        &Apache::loncommunicate::menu($r);
+	    }
+        } else {
+	    $r->print('
'.&mt('Could not deliver message').' '.
+		  &mt('Please use the browser "Back" button and correct the recipient addresses '."($sendstatus)").'
');
+        }
     }
+    return $sendstatus;
 }
 
 # ===================================================================== Handler
@@ -1798,7 +2357,8 @@ sub handler {
         ['display','replyto','forward','markread','markdel','markunread',
          'sendreply','compose','sendmail','critical','recname','recdom',
          'recordftf','sortedby','block','folder','startdis','interdis',
-	 'showcommentbaseurl','dismode']);
+	 'showcommentbaseurl','dismode','group','subject','text','ref',
+         'msgstatus']);
     $sqs='&sortedby='.$env{'form.sortedby'};
 
 # ------------------------------------------------------ They checked for email
@@ -1820,7 +2380,7 @@ sub handler {
     unless ($folder) { 
 	$folder=''; 
     } else {
-	$sqs.='&folder='.&Apache::lonnet::escape($folder);
+	$sqs.='&folder='.&escape($folder);
     }
 # ------------------------------------------------------------ Get Display Mode
 
@@ -1828,13 +2388,15 @@ sub handler {
     unless ($dismode) { 
 	$dismode=''; 
     } else {
-	$sqs.='&dismode='.&Apache::lonnet::escape($dismode);
+	$sqs.='&dismode='.&escape($dismode);
     }
 
 # --------------------------------------------------------------------- Display
-
+    my $msgstatus = $env{'form.msgstatus'};
     $startdis=$env{'form.startdis'};
-    $startdis--;
+    if ($startdis ne '') {
+        $startdis--;
+    }
     unless ($startdis) { $startdis=0; }
 
     $interdis=$env{'form.interdis'};
@@ -1859,24 +2421,28 @@ sub handler {
 # --------------------------------------------------------------- Render Output
 
     if ($env{'form.display'}) {
-	&displaymessage($r,$env{'form.display'},$folder);
+	&displaymessage($r,$env{'form.display'},$folder,$msgstatus);
     } elsif ($env{'form.replyto'}) {
 	&compout($r,'',$env{'form.replyto'},undef,undef,$folder,$dismode);
     } elsif ($env{'form.confirm'}) {
 	&printheader($r,'','Confirmed Receipt');
-	foreach (keys %env) {
-	    if ($_=~/^form\.rec\_(.*)$/) {
+	my $replying = 0;
+	foreach my $envkey (keys(%env)) {
+	    if ($envkey=~/^form\.rec\_(.*)$/) {
 		$r->print(''.&mt('Confirming Receipt').': '.
 			  &Apache::lonmsg::user_crit_received($1).'
');
 	    }
-	    if ($_=~/^form\.reprec\_(.*)$/) {
+	    if ($envkey=~/^form\.reprec\_(.*)$/) {
 		my $msgid=$1;
 		$r->print(''.&mt('Confirming Receipt').': '.
 			  &Apache::lonmsg::user_crit_received($msgid).'
');
 		&compout($r,'','','',$msgid);
+		$replying = 1;
 	    }
 	}
-	&discrit($r);
+	if (!$replying) {
+	    &discrit($r);
+	}
     } elsif ($env{'form.critical'}) {
 	&printheader($r,'','Displaying Critical Messages');
 	&discrit($r);
@@ -1884,39 +2450,109 @@ sub handler {
 	&compout($r,$env{'form.forward'},undef,undef,undef,$folder);
     } elsif ($env{'form.markdel'}) {
 	&printheader($r,'','Deleted Message');
-	&statuschange($env{'form.markdel'},'deleted',$folder);
+	my ($result,$msg) = 
+	    &statuschange($env{'form.markdel'},'deleted',$folder);
+	if (!$result) {
+	    $r->print('
'.
+		      &mt('Failed to delete the message.').'
'.
+		      '
'.$msg."
\n");
+	}
 	&Apache::loncommunicate::menu($r);
-	&disall($r,($folder?$folder:$dismode));
-    } elsif ($env{'form.markedmove'}) {
-	my $total=0;
-	foreach (keys %env) {
-	    if ($_=~/^form\.delmark_(.*)$/) {
-		&movemsg(&Apache::lonnet::unescape($1),$folder,
-			 $env{'form.movetofolder'});
-		$total++;
+	&disall($r,($folder?$folder:$dismode),$msgstatus);
+    } elsif ($env{'form.markedaction'} eq 'markedforward') {
+        my $total = 0;
+        my @to_forward = &Apache::loncommon::get_env_multiple('form.delmark');
+        foreach my $msgid (@to_forward) {
+            &statuschange(&unescape($msgid),'forwarded',$folder);
+            $total ++;
+        }
+        if ($total > 0) {
+            &compout($r,undef,undef,undef,undef,$folder,$dismode,$total);
+        }
+    } elsif ($env{'form.markedaction'} eq 'markedread') {
+        my $total = 0;
+        my @to_markread = &Apache::loncommon::get_env_multiple('form.delmark');
+        foreach my $msgid (@to_markread) {
+            &statuschange(&unescape($msgid),'read',$folder);
+            $total ++;
+        }
+        &printheader($r,'','Marked Messages Read');
+        $r->print(&mt('Marked [_1] message(s) read',$total).'
');
+        &Apache::loncommunicate::menu($r);
+        &disall($r,($folder?$folder:$dismode),$msgstatus);
+    } elsif ($env{'form.markedaction'} eq 'markedunread') {
+        my $total = 0;
+        my @to_markunread = &Apache::loncommon::get_env_multiple('form.delmark');
+        foreach my $msgid (@to_markunread) {
+            &statuschange(&unescape($msgid),'new',$folder);
+            $total ++;
+        }
+        &printheader($r,'','Marked Messages Unread');
+        $r->print(&mt('Marked [_1] message(s) unread',$total).'
');
+        &Apache::loncommunicate::menu($r);
+        &disall($r,($folder?$folder:$dismode),$msgstatus);
+    } elsif ($env{'form.markedaction'} eq 'markedmove') {
+        my $destfolder = $env{'form.movetofolder'};
+        my %gotfolders = &Apache::lonmsg::get_user_folders();
+        &printheader($r,'','Moved Messages');
+        if (!defined($gotfolders{$destfolder})) {
+            $r->print(&mt('Destination folder [_1] is not a valid folder',
+                      $destfolder));
+        } else {
+	    my ($total,$failed,@failed_msg)=(0,0);
+            my @to_move = &Apache::loncommon::get_env_multiple('form.delmark');
+            foreach my $msgid (@to_move) {
+	        my ($result,$msg) = &movemsg(&unescape($msgid),$folder,
+			                     $env{'form.movetofolder'});
+	        if ($result) {
+		    $total++;
+	        } else {
+		    $failed++;
+		    push(@failed_msg,$msg);
+	        }
 	    }
-	}
-	&printheader($r,'','Moved Messages');
-	$r->print('Moved '.$total.' message(s)
');
+	    if ($failed) {
+	        $r->print('

+                          '.&mt('Failed to move [_1] message(s)',$failed).
+		      '
');
+	        $r->print('
'.
+	   	          join("
\n
",@failed_msg).
+		          "
\n");
+	    }
+	    $r->print(&mt('Moved [_1] message(s)',$total).'
');
+        }
 	&Apache::loncommunicate::menu($r);
-	&disall($r,($folder?$folder:$dismode));
-    } elsif ($env{'form.markeddel'}) {
-	my $total=0;
-	foreach (keys %env) {
-	    if ($_=~/^form\.delmark_(.*)$/) {
-		&statuschange(&Apache::lonnet::unescape($1),'deleted',$folder);
-		$total++;
+	&disall($r,($folder?$folder:$dismode),$msgstatus);
+    } elsif ($env{'form.markedaction'} eq 'markeddel') {
+	my ($total,$failed,@failed_msg)=(0,0);
+        my @to_delete = &Apache::loncommon::get_env_multiple('form.delmark');
+        foreach my $msgid (@to_delete) {
+	    my ($result,$msg) = &statuschange(&unescape($msgid),'deleted', 
+				              $folder);
+	    if ($result) {
+	        $total++;
+	    } else {
+	        $failed++;
+		push(@failed_msg,$msg);
 	    }
 	}
 	&printheader($r,'','Deleted Messages');
-	$r->print('Deleted '.$total.' message(s)
');
+	if ($failed) {
+	    $r->print('

+                          '.&mt('Failed to delete [_1] message(s)',$failed).
+		      '
');
+	    $r->print('
'.
+		      join("
\n
",@failed_msg).
+		      "
\n");
+	}
+	$r->print(&mt('Deleted [_1] message(s)',$total).'
');
 	&Apache::loncommunicate::menu($r);
-	&disall($r,($folder?$folder:$dismode));
+	&disall($r,($folder?$folder:$dismode),$msgstatus);
     } elsif ($env{'form.markunread'}) {
 	&printheader($r,'','Marked Message as Unread');
 	&statuschange($env{'form.markunread'},'new');
 	&Apache::loncommunicate::menu($r);
-	&disall($r,($folder?$folder:$dismode));
+	&disall($r,($folder?$folder:$dismode),$msgstatus);
     } elsif ($env{'form.compose'}) {
 	&compout($r,'','',$env{'form.compose'});
     } elsif ($env{'form.recordftf'}) {
@@ -1924,29 +2560,119 @@ sub handler {
     } elsif ($env{'form.block'}) {
         &examblock($r,$env{'form.block'});
     } elsif ($env{'form.sendmail'}) {
-	&sendoffmail($r,$folder);
+        if ($env{'form.multiforward'}) {
+            &printheader($r,'','Messages being sent.');
+            my $fixed_subj = $env{'form.subject'};
+            my $suffix=&Apache::lonmsg::foldersuffix($folder);
+            my (%sendresult,%forwardok,%forwardfail,$fwdcount);
+            my @to_forward = &Apache::loncommon::get_env_multiple('form.delmark');
+            foreach my $item (@to_forward) {
+                my $msgid=&unescape($item);
+                my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
+                my %content=&Apache::lonmsg::unpackagemsg($message{$msgid},1);
+                if ($env{'form.showorigsubj'}) {
+                    $env{'form.subject'} = $fixed_subj.$content{'subject'};
+                } else {
+                    $env{'form.subject'} = '';
+                }
+                my $uname = $content{'sendername'};
+                my $udom = $content{'senderdomain'};
+                &statuschange($msgid,'forwarded',$folder);
+                if ($env{'form.showorigsender'}) {
+                    $env{'form.message'} = $env{'form.msgheader'}.' '.
+                        &Apache::loncommon::plainname($uname,$udom).' ('.
+                                           $uname.':'.$udom.')';
+                }
+                $env{'form.message'} .= "\n\n-- Forwarded message --\n\n".
+                                        $content{'message'};
+                $fwdcount ++;
+                $r->print($fwdcount.': '); 
+                $sendresult{$msgid} = &sendoffmail($r,$folder);
+                $r->print('
');
+            }
+            foreach my $key (keys(%sendresult)) {
+                if ($sendresult{$key} =~/^(\s*(?:ok|con_delayed)\s*)*$/) {
+                    $forwardok{$key} = $sendresult{$key};
+                } else {
+                    $forwardfail{$key} = $sendresult{$key}; 
+                }
+            }
+            if (keys(%forwardok) > 0) {
+                my $count = keys(%forwardok);
+                $r->print('
'.
+                          &mt('[quant,_1,message] forwarded.',$count).
+                          '');
+            }
+            if (keys(%forwardfail) > 0) {
+                my $count = keys(%forwardfail);
+                $r->print('
'.
+                          &mt('Could not forward [quant,_1,message].',$count).
+                          ' ');
+                foreach my $key (keys(%forwardfail)) {
+                    $r->print(&mt('Could not deliver forwarded message.').' '.
+                              &mt('The recipient addresses may need to be corrected').' ('.$forwardfail{$key}.').

');
+                }
+            }
+            &Apache::loncommunicate::menu($r);
+        } else {
+	    &sendoffmail($r,$folder);
+        }
 	if ($env{'form.storebasecomment'}) {
 	    &storecomment($r);
-	}
+        }
 	if (($env{'form.rsspost'}) && ($env{'request.course.id'})) {
-	    &Apache::lonrss::addentry($env{'course.'.$env{'request.course.id'}.'.num'},
+	        &Apache::lonrss::addentry($env{'course.'.$env{'request.course.id'}.'.num'},
 				      $env{'course.'.$env{'request.course.id'}.'.domain'},
 				      'Course_Announcements',
 				      $env{'form.subject'},
 				      $env{'form.message'},'/adm/communicate','public');
 	}
-	&disall($r,($folder?$folder:$dismode));
+	if ((!exists($env{'form.group'})) && (!$env{'form.displayedcrit'})) {
+	    &disall($r,($folder?$folder:$dismode),$msgstatus);
+	}
     } elsif ($env{'form.newfolder'}) {
 	&printheader($r,'','New Folder');
-	&makefolder($env{'form.newfolder'});
-	&Apache::loncommunicate::menu($r);
-	&disall($r,$env{'form.newfolder'});
+        my $showfolder = $env{'form.newfolder'};
+	my ($makeresult,$warning) = &makefolder($env{'form.newfolder'});
+        if ($makeresult eq 'ok') {
+            $r->print(&mt('Mail folder "[_1]" created.',$showfolder).'
');
+        } else {
+            $r->print(&mt('Creation failed.').' '.$makeresult.'
'.
+                      $warning);
+            $showfolder = $folder;
+        }
+        &Apache::loncommunicate::menu($r);
+	&disall($r,$showfolder,$msgstatus);
     } elsif ($env{'form.showcommentbaseurl'}) {
 	&storedcommentlisting($r);
+    } elsif ($env{'form.folderaction'} eq 'delete') {
+        &printheader($r,'','Deleted Folder');
+        my $showfolder = '';
+        my $delresult = &deletefolder($folder);
+        if ($delresult eq 'ok') {
+            $r->print(&mt('Mail folder "[_1]" deleted.',$folder).'
');
+        } else {
+            $r->print(&mt('Deletion failed.').' '.$delresult.'
');
+            $showfolder = $folder;
+        }
+        &Apache::loncommunicate::menu($r);
+        &disall($r,$showfolder,$msgstatus);
+    } elsif ($env{'form.folderaction'} eq 'rename') {
+        &printheader($r,'','Renamed Folder');
+        my $showfolder = $env{'form.renamed'};
+        my $renresult = &renamefolder($folder);
+        if ($renresult eq 'ok') {
+            $r->print(&mt('Mail folder "[_1]" renamed "[_2]".',$folder,$showfolder).'
');
+        } else {
+            $r->print(&mt('Renaming failed.').' '.$renresult.'
');
+            $showfolder = $folder;
+        }
+        &Apache::loncommunicate::menu($r);
+        &disall($r,$showfolder,$msgstatus);
     } else {
 	&printheader($r,'','Display All Messages');
-	&Apache::loncommunicate::menu($r); 
-	&disall($r,($folder?$folder:$dismode));
+	&Apache::loncommunicate::menu($r);
+	&disall($r,($folder?$folder:$dismode),$msgstatus);
     }
     $r->print(&Apache::loncommon::end_page());
     return OK;
@@ -1963,9 +2689,3 @@ sub handler {
 
 __END__
 
-
-
-
-
-
-