File:  [LON-CAPA] / loncom / interface / lonmsgdisplay.pm
Revision 1.114: download - view: text, annotated - select for diffs
Sat Feb 14 00:27:08 2009 UTC (15 years, 2 months ago) by raeburn
Branches: MAIN
CVS tags: version_2_8_X, version_2_8_1, HEAD
Bug 5865.

    1: # The LearningOnline Network with CAPA
    2: # Routines for messaging display
    3: #
    4: # $Id: lonmsgdisplay.pm,v 1.114 2009/02/14 00:27:08 raeburn Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: 
   30: package Apache::lonmsgdisplay;
   31: 
   32: =pod
   33: 
   34: =head1 NAME
   35: 
   36: Apache::lonmsgdisplay: supports internal messaging
   37: 
   38: =head1 SYNOPSIS
   39: 
   40: lonmsgdisplay provides a handler to allow users to read, send, 
   41: and delete messages, and to create and delete message folders,
   42: and to move messages between folders.
   43: 
   44: =head1 OVERVIEW
   45: 
   46: =head2 Messaging Overview
   47: 
   48: X<messages>LON-CAPA provides an internal messaging system similar to
   49: email, but customized for LON-CAPA's usage. LON-CAPA implements its
   50: own messaging system, rather then building on top of email, because of
   51: the features LON-CAPA messages can offer that conventional e-mail can
   52: not:
   53: 
   54: =over 4
   55: 
   56: =item * B<Critical messages>: A message the recipient B<must>
   57: acknowlegde receipt of before they are allowed to continue using the
   58: system, preventing a user from claiming they never got a message
   59: 
   60: =item * B<Receipts>: LON-CAPA can reliably send reciepts informing the
   61: sender that it has been read; again, useful for preventing students
   62: from claiming they did not see a message. (While conventional e-mail
   63: has some reciept support, it's sporadic, e-mail client-specific, and
   64: generally the receiver can opt to not send one, making it useless in
   65: this case.)
   66: 
   67: =item * B<Context>: LON-CAPA knows about the sender, such as where
   68: they are in a course. When a student mails an instructor asking for
   69: help on the problem, the instructor receives not just the student's
   70: question, but all submissions the student has made up to that point,
   71: the user's rendering of the problem, and the complete view the student
   72: saw of the resource, including discussion up to that point. Finally,
   73: the instructor is reading all of this inside of LON-CAPA, not their
   74: email program, so they have full access to LON-CAPA's grading
   75: interface, or other features they may wish to use in response to the
   76: student's query.
   77: 
   78: =item * B<Blocking>: LON-CAPA can block selected communication 
   79: features for students during an online exam. A course coordinator or
   80: instructor can set an open and close date/time for scheduled online
   81: exams in a course. If a user uses the LON-CAPA internal messaging 
   82: system to display e-mails during the scheduled blocking event,  
   83: display of all e-mail sent during the blocking period will be 
   84: suppressed, and a message of explanation, including details of the 
   85: currently active blocking periods will be displayed instead. A user 
   86: who has a course coordinator or instructor role in a course will be
   87: unaffected by any blocking periods for the course, unless the user
   88: also has a student role in the course, AND has selected the student role.
   89: 
   90: =back
   91: 
   92: Users can ask LON-CAPA to forward messages to conventional e-mail
   93: addresses on their B<PREF> screen, but generally, LON-CAPA messages
   94: are much more useful than traditional email can be made to be, even
   95: with HTML support.
   96: 
   97: =cut
   98: 
   99: use strict;
  100: use Apache::lonnet;
  101: use HTML::TokeParser();
  102: use Apache::Constants qw(:common);
  103: use Apache::loncommon();
  104: use Apache::lonhtmlcommon();
  105: use Apache::lontexconvert();
  106: use HTML::Entities();
  107: use Apache::lonlocal;
  108: use Apache::loncommunicate;
  109: use Apache::lonfeedback;
  110: use Apache::lonrss();
  111: use Apache::lonselstudent();
  112: use lib '/home/httpd/lib/perl/';
  113: use LONCAPA;
  114: 
  115: # Querystring component with sorting type
  116: my $sqs;
  117: my $startdis;
  118: 
  119: # ============================================================ List all folders
  120: 
  121: sub folderlist {
  122:     my ($folder,$msgstatus) = @_;
  123:     my %lt = &Apache::lonlocal::texthash(
  124:                 actn => 'Action',
  125:                 fold => 'Folder',
  126:                 show => 'Show',
  127:                 status => 'Message Status',
  128:                 go   => 'Go',
  129:                 nnff => 'New Name for Folder',
  130:                 newn => 'New Name',
  131:                 thfm => 'The folder may not be renamed',
  132:                 fmnb => 'folder may not be renamed as it is a folder provided by the system.',
  133:                 asth => 'as this name is already in use for a system-provided or user-defined folder.',
  134:                 the => 'The',
  135:                 tnfm => 'The new folder may not be named',
  136: 
  137:     );
  138: 
  139:     my %actions = &Apache::lonlocal::texthash(
  140:                                 view => 'View Folder',
  141:                                 rename => 'Rename Folder',
  142:                                 delete => 'Delete Folder',
  143:     );
  144:     $actions{'select_form_order'} = ['view','rename','delete'];
  145: 
  146:     my %statushash = &get_msgstatus_types();
  147: 
  148:     $statushash{'select_form_order'} = ['','new','read','replied','forwarded'];
  149: 
  150:     my %permfolders = &get_permanent_folders();
  151:     my $permlist = join("','",sort(keys(%permfolders)));
  152:     my ($permlistkeys,$permlistvals);
  153:     foreach my $key (sort(keys(%permfolders))) {
  154:         $permlistvals .= $permfolders{$key}."','";
  155:         $permlistkeys .= $key."','";
  156:     }
  157:     $permlistvals =~ s/','$//;
  158:     $permlistkeys =~ s/','$//;
  159:     my %gotfolders = &Apache::lonmsg::get_user_folders();
  160:     my %userfolders;
  161: 
  162:     foreach my $key (keys(%gotfolders)) {
  163:         $key =~ s/(['"])/\$1/g; #' stupid emacs
  164:         $userfolders{$key} = $key;
  165:     }
  166:     my @userorder = sort(keys(%userfolders));
  167:     my %formhash = (%permfolders,%userfolders);
  168:     my $folderlist = join("','",@userorder);
  169:     $folderlist .= "','".$permlistvals;
  170: 
  171:     $formhash{'select_form_order'} = ['','critical',@userorder,'sent','trash'];
  172:     my $output = qq|<script type="text/javascript">
  173: function folder_choice(targetform,caller) {
  174:     var permfolders_keys = new Array('$permlistkeys');
  175:     var permfolders_vals = new Array('$permlistvals');
  176:     var allfolders = new Array('$folderlist');
  177:     if (caller == 'change') {
  178:         if (targetform.folderaction.options[targetform.folderaction.selectedIndex].value == 'rename') {
  179:             for (var i=0; i<permfolders_keys.length; i++) {
  180:                 if (permfolders_keys[i] == targetform.folder.value) {
  181:                     alert("$lt{'the'} '"+permfolders_vals[i]+"' $lt{'fmnb'}");
  182:                     return;
  183:                 }
  184:             }
  185:             var foldername=prompt('$lt{'nnff'}','$lt{'newn'}');
  186:             if (foldername) {
  187:                 targetform.renamed.value=foldername;
  188:                 for (var i=0; i<allfolders.length; i++) {
  189:                     if (allfolders[i] == foldername) {
  190:                         alert("$lt{'thfm'} '"+foldername+"' $lt{'asth'}");
  191:                         return;
  192:                     }
  193:                 }
  194:                 targetform.submit();
  195:             }
  196:         }
  197:         else {
  198:             targetform.submit();
  199:         }
  200:     }
  201:     if (caller == 'new') {
  202:         var newname=targetform.newfolder.value;
  203:         if (newname) {
  204:             for (var i=0; i<allfolders.length; i++) {
  205:                 if (allfolders[i] == newname) {
  206:                     alert("$lt{'tnfm'} '"+newname+"' $lt{'asth'}");
  207:                     return;
  208:                 }
  209:             }
  210:             targetform.submit();
  211:         }
  212:     }
  213: }
  214: </script>|;
  215:     my %show = ('select_form_order' => [10,20,50,100,200],
  216: 		map {$_=>$_} (10,20,50,100,200));
  217: 		
  218: 		   
  219:     $output .= '
  220: <form method="post" action="/adm/email" name="folderlist">
  221: <table border="0" cellspacing="2" cellpadding="2">
  222:  <tr>
  223:   <td align="left">
  224:    <table border="0" cellspacing="2" cellpadding="2">
  225:     <tr>
  226:      <td align="center"><b>'.$lt{'fold'}.'</b><br />'."\n".
  227:          &Apache::loncommon::select_form($folder,'folder',%formhash).'
  228:      </td>
  229:      <td align="center"><b>'.$lt{'show'}.'</b><br />'."\n".
  230:          &Apache::loncommon::select_form($env{'form.interdis'},'interdis',
  231: 					 %show).'
  232:      </td>
  233:      <td align="center"><b>'.$lt{'status'}.'</b><br />'."\n".
  234:        &Apache::loncommon::select_form($msgstatus,'msgstatus',%statushash).'
  235:      </td>
  236:      <td align="center"><b>'.$lt{'actn'}.'</b><br />'.
  237:          &Apache::loncommon::select_form('view','folderaction',%actions).'
  238:      </td><td><br />'.
  239:     '<input type="button" value="'.$lt{'go'}.'" onClick="javascript:folder_choice(this.form,'."'change'".');" />
  240:      </td>
  241:     </tr>
  242:    </table>
  243:   </td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>
  244:   <td align="right">
  245:    <table><tr><td><br />
  246:     <input type="button" value="'.&mt('New Folder').
  247:     '" onClick="javascript:folder_choice(this.form,'."'new'".');" /></td>'.
  248:     '<td align="center"><b>'.&mt('Name').'</b><br />'.
  249:     '<input type="text" size="15" name="newfolder" value="" />
  250:     </td></tr></table>
  251:   </td>
  252:  </tr>
  253: </table>'."\n".
  254:     '<input type="hidden" name="sortedby" value="'.$env{'form.sortedby'}.'" />'.
  255:     '<input type="hidden" name="renamed" value="" />'.
  256:         ($folder=~/^critical/?'</form>':'');
  257:     return $output;
  258: }
  259: 
  260: sub get_permanent_folders {
  261:     my %permfolders = 
  262: 	&Apache::lonlocal::texthash(''         => 'INBOX',
  263: 				    'trash'    => 'TRASH',
  264: 				    'critical' => 'Critical',
  265: 				    'sent'     => 'Sent Messages',
  266: 				    );
  267:     return %permfolders;
  268: }
  269: 
  270: sub get_msgstatus_types {
  271:     my %statushash = &Apache::lonlocal::texthash(
  272:                                 '' => 'Any',
  273:                                 new => 'Unread',
  274:                                 read => 'Read',
  275:                                 replied => 'Replied to',
  276:                                 forwarded => 'Forwarded',
  277:     );
  278:     return %statushash;
  279: }
  280: 
  281: sub scrollbuttons {
  282:     my ($start,$maxdis,$first,$finish,$total,$msgstatus)=@_;
  283:     unless ($total>0) { return ''; }
  284:     $start++; $maxdis++;$first++;$finish++;
  285: 
  286:     my %statushash = &get_msgstatus_types();
  287:     my $status;
  288:     if ($msgstatus eq '') {
  289:         $status = &mt('All');
  290:     } else {
  291:         $status = $statushash{$msgstatus};
  292:     }
  293:     return
  294:    '<b>'.&mt('Page').'</b>: '. 
  295:    '<input type="submit" name="firstview" value="'.&mt('First').'" />'.
  296:    '<input type="submit" name="prevview" value="'.&mt('Previous').'" />'.
  297:    '<input type="text" size="5" name="startdis" value="'.$start.'" onChange="this.form.submit()" /> of '.$maxdis.
  298:    '<input type="submit" name="nextview" value="'.&mt('Next').'" />'.
  299:    '<input type="submit" name="lastview" value="'.&mt('Last').'" /><br />'.
  300:    &mt('<b>[_1] messages</b>: showing messages [_2] through [_3] of [_4].',$status,$first,$finish,$total).'</form>';
  301: }
  302: # =============================================================== Status Change
  303: 
  304: sub statuschange {
  305:     my ($msgid,$newstatus,$folder)=@_;
  306:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
  307:     my %status=&Apache::lonnet::get('email_status'.$suffix,[$msgid]);
  308:     if ($status{$msgid}=~/^error\:/) { $status{$msgid}=''; }
  309:     unless ($status{$msgid}) { $status{$msgid}='new'; }
  310:     unless (($status{$msgid} eq 'replied') || 
  311:             ($status{$msgid} eq 'forwarded')) {
  312: 	&Apache::lonnet::put('email_status'.$suffix,{$msgid => $newstatus});
  313:     }
  314:     if (($newstatus eq 'deleted') || ($newstatus eq 'new')) {
  315: 	&Apache::lonnet::put('email_status'.$suffix,{$msgid => $newstatus});
  316:     }
  317:     if ($newstatus eq 'deleted') {
  318: 	return &movemsg($msgid,$folder,'trash');
  319:     }
  320:     return ;
  321: }
  322: 
  323: # ============================================================= Make new folder
  324: 
  325: sub makefolder {
  326:     my ($newfolder) = @_;
  327:     my %permfolders = &get_permanent_folders();
  328:     my %userfolders = &Apache::lonmsg::get_user_folders();
  329:     my ($outcome,$warning);
  330:     if (defined($userfolders{$newfolder})) {
  331:         return &mt('The folder name: "[_1]" is already in use for an existing folder.',$newfolder);
  332:     }
  333:     foreach my $perm (keys(%permfolders)) {
  334:         if ($permfolders{$perm} eq $newfolder) {
  335:             return &mt('The folder name: "[_1]" is already used for one of the folders automatically generated by the system.',$newfolder);
  336:         }
  337:     } 
  338:     if (&get_msgfolder_lock() eq 'ok') {
  339:         my %counter_hash = &Apache::lonnet::get('email_folders',["\0".'idcount']);
  340:         my $lastcount = $counter_hash{"\0".'idcount'};
  341:         my $folder_id = $lastcount + 1;
  342:         while (defined($userfolders{$folder_id})) {
  343:             $folder_id ++;
  344:         }
  345:         my %folderinfo = ( id      => $folder_id,
  346:                            created => time, );
  347:         $outcome =  
  348: 	    &Apache::lonnet::put('email_folders',{$newfolder => \%folderinfo,
  349: 						  "\0".'idcount' => $folder_id});
  350:         my $releaseresult = &release_msgfolder_lock();
  351:         if ($releaseresult ne 'ok') {
  352:             $warning = $releaseresult;
  353:         }
  354:     } else {
  355:         $outcome = 
  356: 	    &mt('Error - could not obtain lock on message folders record.');
  357:     }
  358:     return ($outcome,$warning);
  359: }
  360: 
  361: # ============================================================= Delete folder
  362: 
  363: sub deletefolder {
  364:     my ($folder)=@_;
  365:     my %permfolders = &get_permanent_folders();
  366:     if (defined($permfolders{$folder})) {
  367:         return &mt('The folder "[_1]" may not be deleted',$folder); 
  368:     }
  369:     my %userfolders = &Apache::lonmsg::get_user_folders();
  370:     if (!defined($userfolders{$folder})) {
  371:         return &mt('The folder "[_1]" does not exist so deletion is not required.',
  372:                    $folder);
  373:     }
  374:     # check folder is empty;
  375:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
  376:     my @messages = &Apache::lonnet::getkeys('nohist_email'.$suffix);
  377:     if (@messages > 0) {
  378:         return &mt('The folder "[_1]" contains messages so it may not be deleted.',$folder).
  379:                '<br />'.
  380:                &mt('Delete or move the messages to a different folder first.');
  381:     }
  382:     my $delresult = &Apache::lonnet::del('email_folders',[$folder]);
  383:     return $delresult;
  384: }
  385: 
  386: sub renamefolder {
  387:     my ($folder) = @_;
  388:     my $newname = $env{'form.renamed'};
  389:     my %permfolders = &get_permanent_folders();
  390:     if ($env{'form.renamed'} eq '') {
  391:         return &mt('The folder "[_1]" may not be renamed to "[_2]" as the new name you requested is an invalid name.',$folder,$newname);
  392:     }
  393:     if (defined($permfolders{$folder})) {
  394:         return &mt('The folder "[_1]" may not be renamed as it is a folder provided by the system.',$folder);
  395:     }
  396:     if (defined($permfolders{$newname})) {
  397:         return &mt('The folder "[_1]" may not be renamed to "[_2]" as the new name you requested is reserved for folders provided automatically by the system.',$folder,$newname);
  398:     }
  399:     my %userfolders = &Apache::lonmsg::get_user_folders();
  400:     if (defined($userfolders{$newname})) {
  401:         return &mt('The folder "[_1]" may not be renamed to "[_2]" because the new name you requested is already being used for an existing folder.',$folder,$newname);
  402:     }
  403:     if (!defined($userfolders{$folder})) {
  404:         return &mt('The folder "[_1]" could not be renamed to "[_2]" because the folder does not exist.',$folder,$newname);
  405:     }
  406:     my %folderinfo;
  407:     if (ref($userfolders{$folder}) eq 'HASH') {
  408:         %folderinfo = %{$userfolders{$folder}};
  409:     } else {
  410:         %folderinfo = ( id      => $folder,
  411:                         created => $userfolders{$folder},);
  412:     }
  413:     my $outcome =
  414:      &Apache::lonnet::put('email_folders',{$newname => \%folderinfo});
  415:     if ($outcome eq 'ok') {
  416:         $outcome = &Apache::lonnet::del('email_folders',[$folder]);
  417:     }
  418:     return $outcome;
  419: }
  420: 
  421: sub get_msgfolder_lock {
  422:     # get lock for mail folder counter.
  423:     my $lockhash = { "\0".'lock_counter' => time, };
  424:     my $tries = 0;
  425:     my $gotlock = &Apache::lonnet::newput('email_folders',$lockhash);
  426:     while (($gotlock ne 'ok') && $tries <3) {
  427:         $tries ++;
  428:         sleep(1);
  429:         $gotlock = &Apache::lonnet::newput('email_folders',$lockhash);
  430:     }
  431:     return $gotlock;
  432: }
  433: 
  434: sub release_msgfolder_lock {
  435:     #  remove lock
  436:     my @del_lock = ("\0".'lock_counter');
  437:     my $dellockoutcome=&Apache::lonnet::del('email_folders',\@del_lock);
  438:     if ($dellockoutcome ne 'ok') {
  439:         return ('<br />'.&mt('Warning: failed to release lock for counter').'<br />');
  440:     } else {
  441:         return 'ok';
  442:     }
  443: }
  444: 
  445: 
  446: # ======================================================== Move between folders
  447: 
  448: sub movemsg {
  449:     my ($msgid,$srcfolder,$trgfolder)=@_;
  450:     if ($srcfolder eq 'new') { $srcfolder=''; }
  451:     my $srcsuffix=&Apache::lonmsg::foldersuffix($srcfolder);
  452:     my $trgsuffix=&Apache::lonmsg::foldersuffix($trgfolder);
  453:     if ($srcsuffix eq $trgsuffix) {
  454: 	return (0,&mt('Message not moved, Attempted to move message to the same folder as it already is in.'));
  455:     }
  456: 
  457: # Copy message
  458:     my %message=&Apache::lonnet::get('nohist_email'.$srcsuffix,[$msgid]);
  459:     if (!exists($message{$msgid}) || $message{$msgid} eq '') {
  460: 	if (&Apache::lonnet::error(%message)) {
  461: 	    return (0,&mt('Message not moved, A network error occurred.'));
  462: 	} else {
  463: 	    return (0,&mt('Message not moved as the message is no longer in the source folder.'));
  464: 	}
  465:     }
  466: 
  467:     my $result =&Apache::lonnet::put('nohist_email'.$trgsuffix,
  468: 				     {$msgid => $message{$msgid}});
  469:     if (&Apache::lonnet::error($result)) {
  470: 	return (0,&mt('Message not moved, A network error occurred.'));
  471:     }
  472: 
  473: # Copy status
  474:     unless ($trgfolder eq 'trash') {
  475:        	my %status=&Apache::lonnet::get('email_status'.$srcsuffix,[$msgid]);
  476: 	# a non-existant status is the mark of an unread msg
  477: 	if (&Apache::lonnet::error(%status)) {
  478: 	    return (0,&mt('Message copied to new folder but status was not, A network error occurred.'));
  479: 	}
  480: 	my $result=&Apache::lonnet::put('email_status'.$trgsuffix,
  481: 					{$msgid => $status{$msgid}});
  482: 	if (&Apache::lonnet::error($result)) {
  483: 	    return (0,&mt('Message copied to new folder but status was not, A network error occurred.'));
  484: 	}
  485:     }
  486: 
  487: # Delete orginals
  488:     my $result_del_msg = 
  489: 	&Apache::lonnet::del('nohist_email'.$srcsuffix,[$msgid]);
  490:     my $result_del_stat =
  491: 	&Apache::lonnet::del('email_status'.$srcsuffix,[$msgid]);
  492:     if (&Apache::lonnet::error($result_del_msg)) {
  493: 	return (0,&mt('Message copied, but unable to delete the original from the source folder.'));
  494:     }
  495:     if (&Apache::lonnet::error($result_del_stat)) {
  496: 	return (0,&mt('Message copied, but unable to delete the original status from the source folder.'));
  497:     }
  498: 
  499:     return (1);
  500: }
  501: 
  502: # ======================================================= Display a course list
  503: 
  504: sub discourse {
  505:     my ($statushash) = @_;
  506:     my ($result,$active,$previous,$future);
  507:     my ($course_personnel,
  508: 	$current_members,
  509: 	$expired_members,
  510: 	$future_members) = 
  511: 	    &Apache::lonselstudent::get_people_in_class($env{'request.course.sec'});
  512:     unshift @$current_members, (@$course_personnel);
  513:     my %defaultUsers;
  514:     
  515:     my $tmptext;
  516:     if ($tmptext = &Apache::lonselstudent::render_student_list($current_members,
  517:                                                                "activeusers",
  518:                                                                "current",
  519:                                                                \%defaultUsers,
  520:                                                                1,"selectedusers",1,'email')
  521:        ) {
  522:        $result .= '<fieldset id="LC_activeusers"><legend><b>'.&mt('Bcc: course members with current access').'</b></legend><form name="activeusers">';
  523:        $result .= $tmptext.'</form></fieldset><br />';
  524:        if (ref($statushash) eq 'HASH') {
  525:            $statushash->{'active'} = 1;
  526:        }
  527:     }
  528:     if ($tmptext = &Apache::lonselstudent::render_student_list($expired_members,
  529:                                                                "previoususers",
  530:                                                                "expired",
  531:                                                                \%defaultUsers,
  532:                                                                1, "selectedusers",0,'email')
  533:        ) {
  534:        $result .= '<fieldset id="LC_previoususers"><legend><b>'.&mt('Bcc: course members with expired access').'</b></legend><form name="previoususers">';
  535:        $result .= $tmptext.'</form></fieldset><br />';
  536:        if (ref($statushash) eq 'HASH') {
  537:            $statushash->{'previous'} = 1;
  538:        }
  539: 
  540:     }
  541:     if ($tmptext = &Apache::lonselstudent::render_student_list($future_members,
  542:                                                                "futureusers",
  543:                                                                "future",
  544:                                                                \%defaultUsers,
  545:                                                                1, "selectedusers",0,'email')
  546:        ) {
  547:        $result .= '<fieldset id="LC_futureusers"><legend><b>'.&mt('Bcc: course members with future access').'</b></legend><form name="previoususers">';
  548:        $result .= $tmptext.'</form></fieldset>';
  549:        if (ref($statushash) eq 'HASH') {
  550:            $statushash->{'future'} = 1;
  551:        }
  552: 
  553:     }
  554:     return $result;
  555: }
  556: 
  557: sub disgroup {
  558:     my ($r,$cdom,$cnum,$group,$access_status) = @_;
  559:     my $hasfloat;
  560:     #  Needs to be in a course
  561:     if (!($env{'request.course.fn'})) {
  562:         $r->print('<span class="LC_error">'.&mt('Error: you must have a course role selected to be able to send a broadcast message to a group in the course.').'</span>');
  563:         return;
  564:     }
  565:     if ($cdom eq '' || $cnum eq '') {
  566:         $r->print('<span class="LC_error">'.&mt('Error: could not determine domain or number of course').'</span>');
  567:         return;
  568:     }
  569:     my ($memberinfo,$numitems) =
  570:                  &Apache::longroup::group_memberlist($cdom,$cnum,$group,{},[]);
  571:     my @statustypes = ('active');
  572:     my $viewgrps = &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.
  573:                    ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
  574:     my $editgrps = &Apache::lonnet::allowed('mdg',$env{'request.course.id'}.
  575:                    ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
  576:     if ($viewgrps || $editgrps) {
  577:         push(@statustypes,('future','previous'));
  578:     }
  579:     if (keys(%{$memberinfo}) == 0) {
  580:         $r->print('<span class="LC_warning">'.
  581:                   &mt('As this group has no members, there are no recipients to select').
  582:                   '</span>');
  583:         return;
  584:     } else {
  585:         $hasfloat = 1;
  586:         unless($env{'environment.wysiwygeditor'} eq 'on') {
  587:             $r->print('<div class="LC_left_float">');
  588:         }
  589:         my %Sortby = (
  590:                          active   => {},
  591:                          previous => {},
  592:                          future   => {},
  593:                      );
  594:         my %lt = &Apache::lonlocal::texthash(
  595:                                      'name'     => 'Name',
  596:                                      'usnm'     => 'Username',
  597:                                      'doma'     => 'Domain',
  598:                                      'active'   => 'Broadcast to Active Members',
  599:                                      'previous' => 'Broadcast (Bcc) to Former Members',
  600:                                      'future'   => 'Broadcast (Bcc) to Future Members',
  601:                                     );
  602:         foreach my $user (sort(keys(%{$memberinfo}))) {
  603:             my $status = $$memberinfo{$user}{status};
  604:             if ($env{'form.'.$status.'.sortby'} eq 'fullname') {
  605:                 push(@{$Sortby{$status}{$$memberinfo{$user}{fullname}}},$user);
  606:             } elsif ($env{'form.'.$status.'.sortby'} eq 'username') {
  607:                 push(@{$Sortby{$status}{$$memberinfo{$user}{uname}}},$user);
  608:             } elsif ($env{'form.'.$status.'.sortby'} eq 'domain') {
  609:                 push(@{$Sortby{$status}{$$memberinfo{$user}{udom}}},$user);
  610:             } else {
  611:                 push(@{$Sortby{$status}{$$memberinfo{$user}{fullname}}},$user);
  612:             }
  613:         }
  614:         $r->print(&group_check_uncheck());
  615:         foreach my $status (@statustypes)  {
  616:             if (ref($numitems) eq 'HASH') {
  617:                 if ((defined($$numitems{$status})) && ($$numitems{$status})) {
  618:                     my $formname = $status.'users';
  619:                     if (ref($access_status) eq 'HASH') {
  620:                         $access_status->{$status} = $$numitems{$status};
  621:                     }
  622:                     $r->print('<fieldset><legend><b>'.$lt{$status}.
  623:                               '</b></legend><form name="'.$formname.'">'.
  624:                               '<span class="LC_nobreak">'.
  625:                               '<input type="button" value="'.&mt('Check All').'" '.
  626:                               'onclick="javascript:toggleAll('."this.form,'check'".')" />'.
  627:                               '&nbsp;&nbsp;'.
  628:                               '<input type="button" value="'.&mt('Uncheck All').'" '.
  629:                               'onclick="javascript:toggleAll('."this.form,'uncheck'".')" />'.
  630:                               '</span>');
  631:                     if ($status eq 'active') {
  632:                         $r->print(('&nbsp;'x3).'<select name="groupmail">'.
  633:                                  '<option value="bcc" selected="selected">'.&mt('Bcc').'</option>'.
  634:                                  '<option value="cc">'.&mt('Cc').'</option>'.
  635:                                '</select>');
  636:                     }
  637:                     $r->print('<br />'.&Apache::loncommon::start_data_table().
  638:                                &Apache::loncommon::start_data_table_header_row().
  639:                                "<th>$lt{'name'}</th>".
  640:                                "<th>$lt{'usnm'}</th>".
  641:                                "<th>$lt{'doma'}</th>".
  642:                                &Apache::loncommon::end_data_table_header_row());
  643:                     foreach my $key (sort(keys(%{$Sortby{$status}}))) {
  644:                         foreach my $user (@{$Sortby{$status}{$key}}) {
  645:                             $r->print(&Apache::loncommon::start_data_table_row().
  646:                                 '<td><span class="LC_nobreak"><input type="checkbox" '.
  647:                                 'name="selectedusers_forminput" value="'.
  648:                                 $user.':'.$status.'" />'.
  649:                                 $$memberinfo{$user}{'fullname'}.'</span></td>'.
  650:                                 '<td>'.$$memberinfo{$user}{'uname'}.'</td>'.
  651:                                 '<td>'.$$memberinfo{$user}{'udom'}.'</td>'.
  652:                                 &Apache::loncommon::end_data_table_row());
  653:                         }
  654:                     }
  655:                     $r->print(&Apache::loncommon::end_data_table().'</form>'.
  656:                               '</fieldset><br />');
  657:                 }
  658:             }
  659:         }
  660:         unless($env{'environment.wysiwygeditor'} eq 'on') {
  661:             $r->print('</div>');
  662:         }
  663:     }
  664:     return $hasfloat;
  665: }
  666: 
  667: sub group_check_uncheck {
  668:     my $output = qq|
  669: <script type="text/javascript">
  670: function toggleAll(form,action) {
  671:     if (typeof(form.selectedusers_forminput.length)=="undefined") {
  672:          if (action == 'check') {
  673:             form.selectedusers_forminput.checked = true;
  674:          } else {
  675:             form.selectedusers_forminput.checked = false;
  676:         }
  677:     } else {
  678:         for (var i=0; i<form.selectedusers_forminput.length; i++) {
  679:             if (action == 'check') {
  680:                 form.selectedusers_forminput[i].checked = true;
  681:             } else {
  682:                 form.selectedusers_forminput[i].checked = false;
  683:             }
  684:         }
  685:     }
  686: }
  687: </script>
  688:     |;
  689: }
  690: 
  691: sub groupmail_header {
  692:     my ($action,$group,$cdom,$cnum) = @_;
  693:     my ($description,$refarg);
  694:     if (!$cdom || !$cnum) {
  695:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  696:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  697:     }
  698:     if (exists($env{'form.ref'})) {
  699:         $refarg = 'ref='.$env{'form.ref'};
  700:     }
  701:     if (!$group) {
  702:         $group = $env{'form.group'};
  703:     }
  704:     if ($group eq '') {
  705:         return  '';
  706:     } else {
  707:         my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);
  708:         if (defined($curr_groups{$group})) {
  709:             my %groupinfo =
  710:                     &Apache::longroup::get_group_settings($curr_groups{$group});
  711:             $description = &unescape($groupinfo{'description'});
  712:         }
  713:     }
  714:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  715:     if ($refarg) {
  716:         &Apache::lonhtmlcommon::add_breadcrumb
  717:             ({href=>"/adm/coursegroups",
  718:               text=>"Groups",
  719:               title=>"View course groups"});
  720:     }
  721:     &Apache::lonhtmlcommon::add_breadcrumb
  722:         ({href=>"/adm/$cdom/$cnum/$group/smppg?$refarg",
  723:           text=>"Group: $description",
  724:           title=>"Go to group's home page"},
  725:          {href=>"/adm/email?compose=group&amp;group=".
  726:                 "$env{'form.group'}&amp;$refarg",
  727:           text=>"Send a Message in a Group",
  728:           title=>"Compose Group Message"},);
  729:     if ($action eq 'sending') {
  730:             &Apache::lonhtmlcommon::add_breadcrumb
  731:                          ({text=>"Messages being sent.",
  732:                            title=>"E-mails sent"},);
  733:     }
  734:     my $groupheader = &Apache::loncommon::start_page('Group Message');
  735:     $groupheader .= &Apache::lonhtmlcommon::breadcrumbs
  736:                 ('Group - '.$env{'form.group'}.' Email');
  737:     return $groupheader;
  738: }
  739: 
  740: sub groupmail_sent {
  741:     my ($group,$cdom,$cnum) = @_;
  742:     my $refarg;
  743:     if (exists($env{'form.ref'})) {
  744:         $refarg = 'ref='.$env{'form.ref'};
  745:     }
  746:     my $output .= '<br /><br /><a href="/adm/email?compose=group&amp;group='.
  747:                   $group.'&amp;'.$refarg.'">'.
  748:                   &mt('Send another group message').'</a>'.'&nbsp;&nbsp;&nbsp;'.
  749:                   '<a href="/adm/'.$cdom.'/'.$cnum.'/'.$group.'/smppg?'.
  750:                   $refarg.'">'. &mt('Return to group page').'</a>';
  751:     return $output;
  752: }
  753: 
  754: # ==================================================== Display Critical Message
  755: 
  756: sub discrit {
  757:     my $r=shift;
  758:     my $header = '<h1>'.&mt('Critical Messages').'</h1>'
  759:                 .'<div class="LC_warning">'
  760:                 .&mt('Access to other pages will be prevented until you have moved all critical messages to your inbox.')
  761:                 .'</div><br />'
  762:                 .'<form action="/adm/email" method="POST">'
  763:                 .'<input type="hidden" name="confirm" value="true" />';
  764:     my %what=&Apache::lonnet::dump('critical');
  765:     my $result = '';
  766:     foreach my $key (sort(keys(%what))) {
  767:         my %content=&Apache::lonmsg::unpackagemsg($what{$key});
  768:         next if ($content{'senderdomain'} eq '');
  769:         $result .= &Apache::lonhtmlcommon::start_pick_box()
  770:                   .&Apache::lonhtmlcommon::row_title(&mt('From'),undef,'LC_oddrow_value')
  771:                   .'<b>'.&Apache::loncommon::aboutmewrapper(
  772:                    &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).'</b>'
  773:                   .' ('.$content{'sendername'}.':'.$content{'senderdomain'}.')'
  774:                   .&Apache::lonhtmlcommon::row_closure(1)
  775:                   .&Apache::lonhtmlcommon::row_title(&mt('Date'),undef,'LC_evenrow_value')
  776:                   .$content{'time'}
  777:                   .&Apache::lonhtmlcommon::row_closure(1)
  778:                   .&Apache::lonhtmlcommon::row_title(&mt('Subject'),undef,'LC_oddrow_value')
  779:                   .$content{'subject'}
  780:                   .&Apache::lonhtmlcommon::row_closure(1)
  781:                   .&Apache::lonhtmlcommon::row_title(&mt('Message'),undef,'LC_evenrow_value')
  782:                   .'<pre>'.&Apache::lontexconvert::msgtexconverted($content{'message'}).'</pre>'
  783:                   .&Apache::lonhtmlcommon::row_closure()
  784:                   .&Apache::lonhtmlcommon::row_title('',undef,'LC_oddrow_value')
  785:                   .'<div class="LC_warning">';
  786:         my ($rec_button,$reprec_button);
  787:         $rec_button = &mt('Move to Inbox');
  788:         if (!$content{'noreplies'}) {
  789:             $reprec_button = &mt('Move to Inbox/Compose reply');
  790:         }
  791:         if ($content{'sendback'}) {
  792:             $rec_button = &mt('Confirm Receipt');
  793:             if (!$content{'noreplies'}) {
  794:                 $reprec_button = &mt('Confirm Receipt and Reply');
  795:             }
  796:             $result .= &mt('You have to confirm that you have received this message before you can view other pages. After confirmation, this message will be moved to your regular inbox');
  797:         } else {
  798:             $result .= &mt('Access to other pages will be prevented until you have moved the message to your inbox.'); 
  799:         }
  800:         $result .= '</div>'
  801:                   .&Apache::lonhtmlcommon::row_closure(1)
  802:                   .&Apache::lonhtmlcommon::row_title('',undef,'LC_evenrow_value')
  803:                   .'<input type="submit" name="rec_'.$key.'" value="'.$rec_button.'" />';
  804:         if (!$content{'noreplies'}) {
  805:             $result .= '<input type="submit" name="reprec_'.$key.'" '
  806:                       .'value="'.$reprec_button.'" />'
  807:         }
  808:         $result .= &Apache::lonhtmlcommon::row_closure(1)
  809:                   .&Apache::lonhtmlcommon::end_pick_box()
  810:                   .'<br />';
  811:     }
  812:     # Check to see if there were any messages.
  813:     if ($result eq '') {
  814:         $result = "<h2>".&mt('You have no critical messages.')."</h2>".
  815: 	    '<a href="/adm/roles">'.&mt('Select a course').'</a><br />'.
  816:             '<a href="/adm/email">'.&mt('Communicate').'</a>';
  817:     } else {
  818:         $r->print($header);
  819:     }
  820:     $r->print($result);
  821:     $r->print('<input type="hidden" name="displayedcrit" value="true" /></form>');
  822: }
  823: 
  824: sub sortedmessages {
  825:     my ($blocked,$startblock,$endblock,$numblocked,$folder,$msgstatus) = @_;
  826:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
  827:     my @messages = &Apache::lonnet::getkeys('nohist_email'.$suffix);
  828:     #unpack the varibles and repack into temp for sorting
  829:     my @temp;
  830:     my %descriptions;
  831:     my %status_cache = 
  832: 	&Apache::lonnet::get('email_status'.&Apache::lonmsg::foldersuffix($folder),\@messages);
  833: 
  834:     my $get_received;
  835:     if ($folder eq 'sent' 
  836: 	&& ($env{'form.sortedby'} =~ m/^(rev)?(user|domain)$/)) {
  837: 	$get_received = 1;
  838:     }
  839: 
  840:     foreach my $msgid (@messages) {
  841:         next if ($msgid eq '');
  842: 	my $esc_msgid=&escape($msgid);
  843: 	my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$fromcid,$processid,$symb,$error) =
  844: 	    &Apache::lonmsg::unpackmsgid($esc_msgid,$folder,undef,
  845: 					 \%status_cache);
  846:         next if ($msgstatus ne '' && $msgstatus ne $status);
  847:         my $description = &get_course_desc($fromcid,\%descriptions);
  848: 	my @temp1 = ($sendtime,$shortsubj,$fromname,$fromdomain,$status,
  849: 		     $esc_msgid,$description);
  850: 	if ($get_received) {
  851: 	    my %message = &Apache::lonnet::get('nohist_email'.$suffix,
  852: 					       [$msgid]);
  853: 	    my %content = &Apache::lonmsg::unpackagemsg($message{$msgid});
  854: 	    push(@temp1,$content{'recuser'},$content{'recdomain'});
  855: 	}
  856:         # Check whether message was sent during blocking period.
  857:         if ($sendtime >= $startblock && ($sendtime <= $endblock && $endblock > 0) ) {
  858:             $$blocked{$msgid} = 'ON';
  859:             $$numblocked ++;
  860:         } else { 
  861:             push @temp ,\@temp1;
  862:         }
  863:     }
  864:     #default sort
  865:     @temp = sort  {$a->[0] <=> $b->[0]} @temp;    
  866:     if ($env{'form.sortedby'} eq "date"){
  867:         @temp = sort  {$a->[0] <=> $b->[0]} @temp;    
  868:     }
  869:     if ($env{'form.sortedby'} eq "revdate"){
  870:     	@temp = sort  {$b->[0] <=> $a->[0]} @temp; 
  871:     }
  872:     if ($env{'form.sortedby'} eq "user"){
  873: 	if ($get_received) {
  874: 	    @temp = sort  {lc($a->[7][0]) cmp lc($b->[7][0])} @temp;
  875: 	} else {
  876: 	    @temp = sort  {lc($a->[2])    cmp lc($b->[2])}    @temp;
  877: 	}
  878:     }
  879:     if ($env{'form.sortedby'} eq "revuser"){
  880: 	if ($get_received) {
  881: 	    @temp = sort  {lc($b->[7][0]) cmp lc($a->[7][0])} @temp;
  882: 	} else {
  883: 	    @temp = sort  {lc($b->[2])    cmp lc($a->[2])}    @temp;
  884: 	}
  885:     }
  886:     if ($env{'form.sortedby'} eq "domain"){
  887: 	if ($get_received) {
  888: 	    @temp = sort  {$a->[8][0] cmp $b->[8][0]} @temp;
  889: 	} else {
  890: 	    @temp = sort  {$a->[3]    cmp $b->[3]}    @temp;
  891: 	}
  892:     }
  893:     if ($env{'form.sortedby'} eq "revdomain"){
  894: 	if ($get_received) {
  895: 	    @temp = sort  {$b->[8][0] cmp $a->[8][0]} @temp;
  896: 	} else {
  897: 	    @temp = sort  {$b->[3]    cmp $a->[3]}    @temp;
  898: 	}
  899:     }
  900:     if ($env{'form.sortedby'} eq "subject"){
  901:         @temp = sort  {lc($a->[1]) cmp lc($b->[1])} @temp;
  902:     }
  903:     if ($env{'form.sortedby'} eq "revsubject"){
  904:         @temp = sort  {lc($b->[1]) cmp lc($a->[1])} @temp;
  905:     }
  906:     if ($env{'form.sortedby'} eq "course"){
  907:         @temp = sort  {lc($a->[6]) cmp lc($b->[6])} @temp;
  908:     }
  909:     if ($env{'form.sortedby'} eq "revcourse"){
  910:         @temp = sort  {lc($b->[6]) cmp lc($a->[6])} @temp;
  911:     }
  912:     if ($env{'form.sortedby'} eq "status"){
  913:         @temp = sort  {$a->[4] cmp $b->[4]} @temp;
  914:     }
  915:     if ($env{'form.sortedby'} eq "revstatus"){
  916:         @temp = sort  {$b->[4] cmp $a->[4]} @temp;
  917:     }
  918:     return @temp;
  919: }
  920: 
  921: sub get_course_desc {
  922:     my ($fromcid,$descriptions) = @_;
  923:     my $description;
  924:     if (!$fromcid) {
  925:         return $description;
  926:     } else {
  927:         if (defined($$descriptions{$fromcid})) {
  928:             $description = $$descriptions{$fromcid};
  929:         } else {
  930:             if (defined($env{'course.'.$fromcid.'.description'})) {
  931:                 $description = $env{'course.'.$fromcid.'.description'};
  932:             } else {
  933:                 my %courseinfo=&Apache::lonnet::coursedescription($fromcid);
  934:                 $description = $courseinfo{'description'};
  935:             }
  936:             $$descriptions{$fromcid} = $description;
  937:         }
  938:         return $description;
  939:     }
  940: }
  941: 
  942: # ======================================================== Display all messages
  943: 
  944: sub disall {
  945:     my ($r,$folder,$msgstatus)=@_;
  946:     my %saveable = ('msgstatus' => 'scalar',
  947: 		    'sortedby'  => 'scalar',
  948: 		    'interdis'  => 'scalar',
  949: 		    );
  950:     &Apache::loncommon::store_settings('user','mail',\%saveable);
  951:     &Apache::loncommon::restore_settings('user','mail',\%saveable);
  952:     $folder    ||= $env{'form.folder'};
  953:     $msgstatus ||= $env{'form.msgstatus'};
  954:     $env{'form.interdis'} ||= 20;
  955: 
  956:     $r->print(&folderlist($folder,$msgstatus));
  957:     if ($folder eq 'critical') {
  958: 	&discrit($r);
  959:     } else {
  960: 	&disfolder($r,$folder,$msgstatus);
  961:     }
  962: }
  963: 
  964: # ============================================================ Display a folder
  965: 
  966: sub disfolder {
  967:     my ($r,$folder,$msgstatus)=@_;
  968:     my %statushash = &get_msgstatus_types();
  969:     my %blocked = ();
  970:     my %setters = ();
  971:     my $numblocked = 0;
  972:     my ($startblock,$endblock) = &Apache::loncommon::blockcheck(\%setters,'com');
  973:     my %lt = &Apache::lonlocal::texthash(
  974:                       sede => 'Select a destination folder to which the messages will be moved.',
  975:                       nome => 'No messages have been selected to apply ths action to.',
  976:                       chec => 'Check the checkbox for at least one message.',  
  977:     );
  978:     my $jscript = &Apache::loncommon::check_uncheck_jscript();
  979:     $r->print(<<ENDDISHEADER);
  980: <script type="text/javascript">
  981:     $jscript
  982: 
  983:     function validate_checkedaction() {
  984:         document.disall.markedaction.value = document.disall.checkedaction.options[document.disall.checkedaction.selectedIndex].value;
  985:         if (document.disall.checkedaction.options[document.disall.checkedaction.selectedIndex].value == 'markedmove') {
  986:             if (document.disall.movetofolder.options[document.disall.movetofolder.selectedIndex].value == "") {
  987:                 alert("$lt{'sede'}");
  988:                 return;
  989:             } 
  990:         }
  991:         var checktotal = 0;
  992:         if (document.forms.disall.delmark.length > 0) {
  993:             for (var i=0; i<document.forms.disall.delmark.length; i++) {
  994:                 if (document.forms.disall.delmark[i].checked) {
  995:                     checktotal ++;
  996:                 }
  997:             }
  998:         } else {
  999:             if (document.forms.disall.delmark.checked) {
 1000:                 checktotal ++;
 1001:             }
 1002:         }   
 1003:         if (checktotal == 0) {
 1004:             alert("$lt{'nome'}\\n$lt{'chec'}");
 1005:             return;
 1006:         }
 1007:         document.disall.submit();
 1008:     }
 1009: 
 1010: </script>
 1011: ENDDISHEADER
 1012: 
 1013:     my $fsqs='&folder='.$folder;
 1014:     my @temp=&sortedmessages(\%blocked,$startblock,$endblock,\$numblocked,$folder,$msgstatus);
 1015:     my $totalnumber=$#temp+1;
 1016:     if ($totalnumber < 1) {
 1017:         if ($msgstatus eq '') {
 1018: 	    $r->print('<h2>'.&mt('Empty Folder').'</h2>');
 1019:         } elsif ($msgstatus eq 'replied') {
 1020:             $r->print('<h2>'.&mt('You have not replied to any messages in this folder.').'</h2>');
 1021:         } else { 
 1022:             $r->print('<h2>'.&mt('There are no '.lc($statushash{$msgstatus}).' messages in this folder.').'</h2>');
 1023:         }
 1024:         if ($numblocked > 0) {
 1025:             $r->print(&blocked_in_folder($numblocked,$startblock,$endblock,
 1026:                                          \%setters));
 1027:         }
 1028: 	return;
 1029:     }
 1030:     my $interdis = $env{'form.interdis'};
 1031:     my $number=int($totalnumber/$interdis);
 1032:     if ($totalnumber%$interdis == 0) {
 1033: 	$number--; 
 1034:     }
 1035: 
 1036:     if (($startdis<0) || ($startdis>$number)) { $startdis=$number; }
 1037:     my $firstdis=$interdis*$startdis;
 1038:     if ($firstdis>$#temp) { $firstdis=$#temp-$interdis+1; }
 1039:     my $lastdis=$firstdis+$interdis-1;
 1040:     if ($lastdis>$#temp) { $lastdis=$#temp; }
 1041:     $r->print(&scrollbuttons($startdis,$number,$firstdis,$lastdis,$totalnumber,$msgstatus));
 1042:     $r->print('<form method="post" name="disall" action="/adm/email">'.
 1043: 	      '<table class="LC_mail_list"><tr><th colspan="1">&nbsp;</th><th>');
 1044:     if ($env{'form.sortedby'} eq "revdate") {
 1045: 	$r->print('<a href = "?sortedby=date'.$fsqs.'">'.&mt('Date').'</a></th>');
 1046:     } else {
 1047: 	$r->print('<a href = "?sortedby=revdate'.$fsqs.'">'.&mt('Date').'</a></th>');
 1048:     }
 1049:     $r->print('<th>');
 1050:     if ($env{'form.sortedby'} eq "revuser") {
 1051: 	$r->print('<a href = "?sortedby=user'.$fsqs.'">'.&mt('Username').'</a>');
 1052:     } else {
 1053: 	$r->print('<a href = "?sortedby=revuser'.$fsqs.'">'.&mt('Username').'</a>');
 1054:     }
 1055:     $r->print('</th><th>');
 1056:     if ($env{'form.sortedby'} eq "revdomain") {
 1057: 	$r->print('<a href = "?sortedby=domain'.$fsqs.'">'.&mt('Domain').'</a>');
 1058:     } else {
 1059: 	$r->print('<a href = "?sortedby=revdomain'.$fsqs.'">'.&mt('Domain').'</a>');
 1060:     }
 1061:     $r->print('</th><th>');
 1062:     if ($env{'form.sortedby'} eq "revsubject") {
 1063: 	$r->print('<a href = "?sortedby=subject'.$fsqs.'">'.&mt('Subject').'</a>');
 1064:     } else {
 1065:     	$r->print('<a href = "?sortedby=revsubject'.$fsqs.'">'.&mt('Subject').'</a>');
 1066:     }
 1067:     $r->print('</th><th>');
 1068:     if ($env{'form.sortedby'} eq "revcourse") {
 1069:         $r->print('<a href = "?sortedby=course'.$fsqs.'">'.&mt('Course').'</a>');
 1070:     } else {
 1071:         $r->print('<a href = "?sortedby=revcourse'.$fsqs.'">'.&mt('Course').'</a>');
 1072:     }
 1073:     $r->print('</th><th>');
 1074:     if ($env{'form.sortedby'} eq "revstatus") {
 1075: 	$r->print('<a href = "?sortedby=status'.$fsqs.'">'.&mt('Status').'</a></th>');
 1076:     } else {
 1077:      	$r->print('<a href = "?sortedby=revstatus'.$fsqs.'">'.&mt('Status').'</a></th>');
 1078:     }
 1079:     $r->print("</tr>\n");
 1080: 
 1081:     my $suffix = &Apache::lonmsg::foldersuffix($folder);
 1082:     my $count = 0;
 1083:     for (my $n=$firstdis;$n<=$lastdis;$n++) {
 1084: 	my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$origID,
 1085: 	    $description,$recv_name,$recv_domain)= 
 1086: 		@{$temp[$n]};
 1087: 	if (($status ne 'deleted') && defined($sendtime) && $sendtime!~/error/) {
 1088:             $count ++;
 1089: 	    if ($status eq 'new') {
 1090: 		$r->print('<tr class="LC_mail_new">');
 1091: 	    } elsif ($status eq 'read') {
 1092: 		$r->print('<tr class="LC_mail_read">');
 1093: 	    } elsif ($status eq 'replied') {
 1094: 		$r->print('<tr class="LC_mail_replied">'); 
 1095: 	    } else {
 1096: 		$r->print('<tr class="LC_mail_other">');
 1097: 	    }
 1098: 	    my ($dis_name,$dis_domain) = ($fromname,$fromdomain);
 1099: 	    if ($folder eq 'sent') {
 1100:                 if (defined($recv_name) && defined($recv_domain)) {
 1101: 		    if (ref($recv_name) eq 'ARRAY' && 
 1102:                         ref($recv_domain) eq 'ARRAY') {
 1103: 		        $dis_name   = join('<br />',@{$recv_name});
 1104: 		        $dis_domain = join('<br />',@{$recv_domain});
 1105:                     }
 1106: 		} else {
 1107: 		    my $msg_id  = &unescape($origID);
 1108: 		    my %message = &Apache::lonnet::get('nohist_email'.$suffix,
 1109: 						       [$msg_id]);
 1110: 		    my %content = &Apache::lonmsg::unpackagemsg($message{$msg_id});
 1111:                     if (ref($content{'recuser'}) eq 'ARRAY') {
 1112: 		        $dis_name   = join('<br />',@{$content{'recuser'}});
 1113:                     }
 1114:                     if (ref($content{'recdomain'}) eq 'ARRAY') {
 1115: 		        $dis_domain = join('<br />',@{$content{'recdomain'}});
 1116:                     }
 1117: 		}
 1118: 	    }
 1119:             my $localsenttime = &Apache::lonlocal::locallocaltime($sendtime);
 1120: 	    $r->print('<td align="right"><span class="LC_nobreak">'.(($status eq 'new')?'<b>':'').
 1121:                       $count.'.'.(($status eq 'new')?'</b>':'').'&nbsp;'.
 1122:                       '<input type="checkbox" name="delmark"'. 
 1123:                       ' value="'.$origID.'" /></span></td>');
 1124:             foreach my $item ($localsenttime,$dis_name,$dis_domain,$shortsubj) {
 1125:                 $r->print('<td>'.(($status eq 'new')?'<b>':'').
 1126:                           '<a href="/adm/email?display='.$origID.$sqs.'">'.
 1127:                           $item.(($status eq 'new')?'</b>':'').'</td>');
 1128:             }
 1129:             my $showstatus;
 1130:             my %statushash = &get_msgstatus_types();
 1131:             if ($status eq '') {
 1132:                 $showstatus = '';
 1133:             } else {
 1134:                 $showstatus = $statushash{$status};
 1135:             }
 1136: 	    $r->print('<td>'.(($status eq 'new')?'<b>':'').$description.
 1137:                       (($status eq 'new')?'</b>':'').'</td><td>'.
 1138:                       (($status eq 'new')?'<b>':'').$showstatus.
 1139:                       (($status eq 'new')?'</b>':'').'</td></tr>'."\n");
 1140: 	} elsif ($status eq 'deleted') {
 1141: # purge
 1142: 	    my ($result,$msg) = 
 1143: 		&movemsg(&unescape($origID),$folder,'trash');
 1144: 	    
 1145: 	}
 1146:     }   
 1147:     $r->print("</table>\n");
 1148:     $r->print('<table border="0" cellspacing="2" cellpadding="2">
 1149:  <tr>
 1150:   <td>'.
 1151:   '<input type="button" onclick="javascript:checkAll(document.disall.delmark)" value="'.&mt('Check All').'" /><br />'."\n".
 1152:   '<input type="button" onclick="javascript:uncheckAll(document.disall.delmark)" value="'.&mt('Uncheck All').'" />'."\n".
 1153:   '<input type="hidden" name="sortedby" value="'.$env{'form.sortedby'}.'" /></td><td>&nbsp;</td>'."\n".
 1154:   '<td align="center"><b>'.&mt('Action').'</b><br />'."\n".
 1155:   '  <select name="checkedaction">'."\n");
 1156: 
 1157:     if ($folder ne 'trash') {
 1158:         $r->print('    <option value="markeddel">'.&mt('Delete').'</option>'."\n");
 1159:     }
 1160:     if ($msgstatus ne 'read') {
 1161:         $r->print('    <option value="markedread">'.&mt('Mark Read').'</option>."\n"');
 1162:     }
 1163:     if ($msgstatus ne 'unread') {
 1164:         $r->print('    <option value="markedunread">'.&mt('Mark Unread').'</option>'."\n");
 1165:     }
 1166:     $r->print('   <option value="markedforward">'.&mt('Forward').'</option>'."\n");
 1167: 
 1168:     my %gotfolders = &Apache::lonmsg::get_user_folders();
 1169:     if (keys(%gotfolders) > 0) {
 1170:         $r->print('   <option value="markedmove">'.&mt('Move to Folder ->').
 1171:                   '</option>');
 1172:     }
 1173:     $r->print("\n".'</select></td>'."\n");
 1174: 
 1175:     if (keys(%gotfolders) > 0) {
 1176:         $r->print('<td align="center"><b>'.&mt('Destination folder').'<b><br />');
 1177: 	my %userfolders;
 1178:         foreach my $key (keys(%gotfolders)) {
 1179:             $userfolders{$key} = $key;
 1180:         }
 1181:         $userfolders{''} = "";
 1182:         $r->print(&Apache::loncommon::select_form('','movetofolder',%userfolders).
 1183:                   '</td>');
 1184:     }
 1185:     $r->print('<td>&nbsp;</td><td>&nbsp;&nbsp;'.
 1186:               '<input type="button" name="go" value="'.&mt('Go').
 1187:               '" onclick="javascript:validate_checkedaction()"/></td>'."\n".
 1188:               '</tr></table>');
 1189:     my $postedstartdis=$startdis+1;
 1190:     $r->print('<input type="hidden" name="folder" value="'.$folder.'" /><input type="hidden" name="startdis" value="'.$postedstartdis.'" /><input type="hidden" name="interdis" value="'.$env{'form.interdis'}.'" /><input type="hidden" name="msgstatus" value="'.$msgstatus.'" ><input type="hidden" name="markedaction" value="" /></form>');
 1191:     if ($numblocked > 0) {
 1192:         $r->print(&blocked_in_folder($numblocked,$startblock,$endblock,
 1193:                                      \%setters));
 1194:     }
 1195: }
 1196: 
 1197: sub blocked_in_folder {
 1198:     my ($numblocked,$startblock,$endblock,$setters) = @_;
 1199:     my $beginblock = &Apache::lonlocal::locallocaltime($startblock);
 1200:     my $finishblock = &Apache::lonlocal::locallocaltime($endblock);
 1201:     my $output = '<br /><br />'.
 1202:                   &mt('[quant,_1,message is, messages are] not viewable because display of LON-CAPA messages sent to you by other students between [_2] and [_3] is currently being blocked because of online exams.',$numblocked,$beginblock,$finishblock);
 1203:     $output .= &Apache::loncommon::build_block_table($startblock,$endblock,
 1204:                                                      $setters);
 1205:     return $output;
 1206: }
 1207: 
 1208: # ============================================================== Compose output
 1209: 
 1210: sub compout {
 1211:     my ($r,$forwarding,$replying,$broadcast,$replycrit,$folder,$dismode,
 1212:         $multiforward)=@_;
 1213:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
 1214:     my ($cdom,$cnum,$group,$refarg);
 1215:     if (exists($env{'form.group'})) {
 1216:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 1217:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 1218:         $group = $env{'form.group'};
 1219:         my $action = 'composing';
 1220:         $r->print(&groupmail_header($action,$group,$cdom,$cnum));
 1221:     } elsif ($broadcast eq 'individual') {
 1222: 	&printheader($r,'/adm/email?compose=individual',
 1223: 	     'Send a Message');
 1224:     } elsif ($broadcast) {
 1225: 	&printheader($r,'/adm/email?compose=group',
 1226: 	     'Broadcast Message');
 1227:     } elsif ($forwarding) {
 1228: 	&Apache::lonhtmlcommon::add_breadcrumb
 1229:         ({href=>"/adm/email?display=".&escape($forwarding),
 1230:           text=>"Display Message"});
 1231: 	&printheader($r,'/adm/email?forward='.&escape($forwarding),
 1232: 	     'Forwarding a Message');
 1233:     } elsif ($replying) {
 1234: 	&Apache::lonhtmlcommon::add_breadcrumb
 1235:         ({href=>"/adm/email?display=".&escape($replying),
 1236:           text=>"Display Message"});
 1237: 	&printheader($r,'/adm/email?replyto='.&escape($replying),
 1238: 	     'Replying to a Message');
 1239:     } elsif ($replycrit) {
 1240: 	$r->print('<h3>'.&mt('Replying to a Critical Message').'</h3>');
 1241: 	$replying=$replycrit;
 1242:     } elsif ($multiforward) {
 1243:         &Apache::lonhtmlcommon::add_breadcrumb
 1244:         ({href=>"/adm/email?folder=".&escape($folder),
 1245:           text=>"Display All Messages"});
 1246:         &printheader($r,'/adm/email?compose=multiforward',
 1247:              'Forwarding Multiple Messages');
 1248:         if ($multiforward > 1) {
 1249:             $r->print(&mt('Each of the <b>[quant,_1,message]</b> you checked'
 1250:                          .' will be forwarded to the recipient(s) you select below.',$multiforward)
 1251:                     .'<br />');
 1252:         } else {
 1253:             $r->print(&mt('The message you checked will be forwarded to the recipient(s) you select below.').'<br />');
 1254:         }
 1255: 
 1256:     } else {
 1257: 	&printheader($r,'/adm/email?compose=upload',
 1258: 	     'Distribute from Uploaded File');
 1259:     }
 1260: 
 1261:     my $dispcrit='';
 1262:     my $dissub='';
 1263:     my $dismsg='';
 1264:     my $disbase='';
 1265:     my $attachrow;
 1266:     my $func1='Send'; # do not translate here!
 1267:     my %func2=( # do not translate here!
 1268:                'ma'  => 'Message',
 1269:                'msg' => 'Messages',
 1270:               );
 1271:     my %lt=&Apache::lonlocal::texthash('us'  => 'Username',
 1272: 				       'do'  => 'Domain',
 1273: 				       'ad'  => 'Additional Recipients',
 1274:                                        'rt'  => 'Reply to',
 1275:                                        'ar'  => 'Allow replies',
 1276: 				       'sb'  => 'Subject',
 1277: 				       'ca'  => 'Cancel',
 1278:                                        'gen' => 'Generate messages from a file',
 1279:                                        'gmt' => 'General message text',
 1280:                                        'tff' => 'The file format for the uploaded portion of the message is',
 1281:                                        'uas' => 'Upload and Send',
 1282:                                        'atta' => 'Attachment',
 1283:                                        'to'   => 'To:',
 1284:                                       );
 1285:     my %attachmax = (
 1286:                      text => &mt('(128 KB max size)'),
 1287:                      num  => 131072,
 1288:                     );
 1289:     if (!$forwarding && !$multiforward) {
 1290:         $attachrow = '<tr><td colspan="3"><b>'.$lt{'atta'}.'</b> '.$attachmax{'text'}.': <input type="file" name="attachment" /></td></tr>';
 1291:     }
 1292:     if (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 1293: 	|| &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
 1294: 				    '/'.$env{'request.course.sec'})) {
 1295: 	 my $crithelp = Apache::loncommon::help_open_topic("Course_Critical_Message");
 1296:          $dispcrit=
 1297:  '<span class="LC_nobreak"><label><input type="checkbox" name="critmsg" /> '.&mt('Send as critical message').'.</label>'.$crithelp.'&nbsp;&nbsp;'.&mt('Require return receipt?').'<label><input type="radio" name="sendbck" value="1" />'.&mt('Yes').'</label>&nbsp;&nbsp;<label><input type="radio" name="sendbck" value="" checked="checked" />'.&mt('No').'</label></span><br />'.
 1298:  '<label><input type="checkbox" name="permanent" /> '.
 1299: &mt('Send copy to permanent e-mail address (if known)').'</label><br />'.
 1300: '<label><input type="checkbox" name="rsspost" /> '.
 1301: 		  &mt('Include in course RSS newsfeed').'</label><br />';
 1302:     }
 1303:     if ($broadcast ne 'group') {
 1304:         if (&Apache::lonnet::allowed('dff',$env{'request.course.id'}) ||
 1305:             &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
 1306:                                      '/'.$env{'request.course.sec'})) {
 1307: 
 1308:             $dispcrit.='<label>'.
 1309:                        '<input type="checkbox" name="courserecord" value="1" /> '.
 1310:                        &mt("Include in course's 'User records' for recipient(s)").
 1311:                        '</label><br />';
 1312:         }
 1313:     }
 1314: 
 1315:     my %message;
 1316:     my %content;
 1317:     my ($hasfloat,$broadcast_js,$sendmode,$can_grp_broadcast);
 1318:     my $defdom=$env{'user.domain'};
 1319:     if ($broadcast eq 'group') {
 1320:         my %access_status = (
 1321:                            active => 0,
 1322:                            previous => 0,
 1323:                            future => 0,
 1324:                       );
 1325:  
 1326:         if ($group eq '') {
 1327:             my $studentsel = &discourse(\%access_status);
 1328:             if ($studentsel) {
 1329:                 if ($env{'environment.wysiwygeditor'} eq 'on') {
 1330:                     $r->print($studentsel);
 1331:                 } else {
 1332:                     $r->print('<div class="LC_left_float">'.$studentsel.'</div>');
 1333:                 }
 1334:                 $hasfloat = 1;
 1335:             }
 1336:         } else {
 1337:             $can_grp_broadcast = &check_group_priv($group);
 1338:             if ($can_grp_broadcast) {
 1339:                 $hasfloat = &disgroup($r,$cdom,$cnum,$group,\%access_status);
 1340:             }
 1341:         }
 1342:         if ($hasfloat) {
 1343:             $sendmode = '<input type="hidden" name="sendmode" value="group" />'."\n";
 1344:             $broadcast_js = qq|
 1345: <script type="text/javascript">
 1346: function courseRecipients() {
 1347: |;
 1348:         foreach my $type (keys(%access_status)) {
 1349:             if ($access_status{$type}) {
 1350:                 my $formname = $type.'users';
 1351:                 if ($type eq 'active' && $group ne '') {
 1352:                     $broadcast_js .= qq|
 1353:                     document.compemail.groupmail.value = document.$formname.groupmail[document.$formname.groupmail.selectedIndex].value;
 1354: |;
 1355:                 }
 1356:                 $broadcast_js .= qq|
 1357:     if (typeof(document.$formname.selectedusers_forminput.length)=="undefined") {
 1358:         document.compemail.courserecips.value += '_&&&_'+document.$formname.selectedusers_forminput.value;
 1359:     } else {
 1360:         for (var i=0; i<document.$formname.selectedusers_forminput.length; i++) {
 1361:             if (document.$formname.selectedusers_forminput[i].checked) {
 1362:                 document.compemail.courserecips.value += '_&&&_'+document.$formname.selectedusers_forminput[i].value;  
 1363:             }
 1364:         }
 1365:     }
 1366:                 |;
 1367:             }
 1368:         }
 1369:         $broadcast_js .= qq|
 1370:     return;
 1371: }
 1372: </script>
 1373: 
 1374: |;
 1375:         }
 1376:     }
 1377:     if ($forwarding) {
 1378: 	%message=&Apache::lonnet::get('nohist_email'.$suffix,[$forwarding]);
 1379: 	%content=&Apache::lonmsg::unpackagemsg($message{$forwarding},$folder);
 1380: 	$dispcrit.='<input type="hidden" name="forwid" value="'.
 1381: 	    $forwarding.'" />';
 1382: 	$func1='Forward'; # do not translate here!
 1383: 	
 1384: 	$dissub=&mt('Forwarding').': '.$content{'subject'};
 1385: 	$dismsg=&mt('Forwarded message from').' '.
 1386: 	    $content{'sendername'}.' '.&mt('at').' '.$content{'senderdomain'};
 1387: 	if ($content{'baseurl'}) {
 1388: 	    $disbase='<input type="hidden" name="baseurl" value="'.&escape($content{'baseurl'}).'" />';
 1389: 	}
 1390:     }
 1391:     if ($replying) {
 1392: 	%message=&Apache::lonnet::get('nohist_email'.$suffix,[$replying]);
 1393: 	%content=&Apache::lonmsg::unpackagemsg($message{$replying},$folder);
 1394: 	$dispcrit.='<input type="hidden" name="replyid" value="'.
 1395: 	    $replying.'" />';
 1396: 	$func1='Send Reply to'; # do not translate here!
 1397: 	
 1398: 	$dissub=&mt('Reply').': '.$content{'subject'};       
 1399: 	$dismsg='> '.$content{'message'};
 1400: 	$dismsg=~s/\r/\n/g;
 1401: 	$dismsg=~s/\f/\n/g;
 1402: 	$dismsg=~s/\n+/\n\> /g;
 1403: 	if ($content{'baseurl'}) {
 1404: 	    $disbase='<input type="hidden" name="baseurl" value="'.&escape($content{'baseurl'}).'" />';
 1405: 	    if ($env{'user.adv'}) {
 1406: 		$disbase.='<label><input type="checkbox" name="storebasecomment" />'.&mt('Save message for re-use').
 1407: 		    '</label> <a href="/adm/email?showcommentbaseurl='.
 1408: 		    &escape($content{'baseurl'}).'" target="comments">'.
 1409: 		    &mt('Show re-usable messages').'</a><br />';
 1410: 	    }
 1411: 	}
 1412:         my $jscript = &Apache::loncommon::check_uncheck_jscript();
 1413:         $r->print(<<"ENDREPSCRIPT");
 1414: <script type="text/javascript">
 1415: $jscript
 1416: </script>
 1417: ENDREPSCRIPT
 1418:     }
 1419:     my $citation=&displayresource(%content);
 1420:     my $onsubmit;
 1421:     if ($env{'form.recdom'}) { $defdom=$env{'form.recdom'}; }
 1422:     if ($env{'form.text'}) { $dismsg=$env{'form.text'}; }
 1423:     if ($env{'form.subject'}) { $dissub=$env{'form.subject'}; }
 1424:     if ($hasfloat) {
 1425:         if ($env{'environment.wysiwygeditor'} eq 'on') {
 1426:             $r->print($broadcast_js);
 1427:         } else {
 1428:             $r->print($broadcast_js.'<div class="LC_left_float">');
 1429:         }
 1430:         $onsubmit = ' onsubmit="javascript:courseRecipients();" ';
 1431:     }
 1432:     $r->print(
 1433:                 '<form action="/adm/email"  name="compemail" method="post"'.
 1434:                 ' enctype="multipart/form-data"'.$onsubmit.'>'."\n".
 1435:                 '<input type="hidden" name="sendmail" value="on" />'."\n".
 1436:                 '<table>');
 1437:     if (($broadcast eq 'group') && ($group ne '') && (!$can_grp_broadcast)) {
 1438:         $r->print(&recipient_input_row($cdom,%lt));
 1439:     }
 1440:     if (($broadcast ne 'group') && ($broadcast ne 'upload')) {
 1441: 	if ($replying) {
 1442:             if ($content{'noreplies'}) {
 1443:                 $r->print('<tr><td>'.&mt('This message was designated by the sender not to allow replies.').'</td></tr></table></form>');
 1444:                 return;
 1445:             }
 1446:             $r->print('<tr><td colspan="3"><b>'.&mt('Replying to').'</b> ');
 1447:             if ($content{'replytoaddr'}) {
 1448:                 my ($replytoname,$replytodom) = split(/:/,$content{'replytoaddr'});
 1449:                 if ($replytoname ne '' && $replytodom ne '') {
 1450:                     $r->print(&Apache::loncommon::plainname($replytoname,
 1451:                                  $replytodom).' ('.$replytoname.':'.
 1452:                                  $replytodom.')');
 1453:                     $r->print('<input type="hidden" name="recuname" value="'.
 1454:                           $replytoname.'" />'.
 1455:                           '<input type="hidden" name="recdomain" value="'.
 1456:                           $replytodom.'" /></td></tr>');
 1457: 
 1458:                 } else {
 1459:                     $r->print(&mt('The sender did not designate a reply to address for this message.').'</td></tr></table>');
 1460:                     return;
 1461:                 }
 1462:             } else {
 1463: 	        $r->print(&Apache::loncommon::aboutmewrapper(
 1464: 							 &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).' ('.
 1465: 		      $content{'sendername'}.':'.
 1466: 		      $content{'senderdomain'}.')');
 1467:                 $r->print('<input type="hidden" name="recuname" value="'.
 1468: 		          $content{'sendername'}.'" />'.
 1469: 		          '<input type="hidden" name="recdomain" value="'.
 1470:                           $content{'senderdomain'}.'" /></td></tr>');
 1471:             }
 1472:             if ($content{'recipid'}) {
 1473:                 my %recips;
 1474:                 &retrieve_recips('replying',\%content,\%recips);
 1475:                 if (ref($recips{'to'}) eq 'ARRAY') {
 1476:                     if (@{$recips{'to'}} > 0) {
 1477:                         my $replyall;
 1478:                         if (@{$recips{'to'}} > 1) {
 1479:                             $replyall = qq|
 1480:  <span class="LC_nobreak">
 1481:       <input type="button" value="check all"
 1482:         onclick="javascript:checkAll(document.compemail.replying_to)" />
 1483:         &nbsp;&nbsp;
 1484:       <input type="button" value="uncheck all"
 1485:         onclick="javascript:uncheckAll(document.compemail.replying_to)" />
 1486:  </span>
 1487: |;
 1488:                         }
 1489:                         my $tolist = join(' ',@{$recips{'to'}});
 1490:                         $r->print('<tr><td colspan="3"><table><tr><td>'.&mt('[_1]Send reply[_2] to other recipients','<b>','</b>').':<br />'.$replyall.'</td><td>'.$tolist.'</td></tr></table></td></tr>');
 1491:                     }
 1492:                 }
 1493:                 if (ref($recips{'cc'}) eq 'ARRAY') {
 1494:                     if (@{$recips{'cc'}} > 0) {
 1495:                         my $replyall;
 1496:                         if (@{$recips{'cc'}} > 1) {
 1497:                             $replyall = qq|
 1498:  <span class="LC_nobreak">
 1499:       <input type="button" value="check all"
 1500:         onclick="javascript:checkAll(document.compemail.replying_cc)" />
 1501:         &nbsp;&nbsp;
 1502:       <input type="button" value="uncheck all"
 1503:         onclick="javascript:uncheckAll(document.compemail.replying_cc)" />
 1504:  </span>
 1505: |;
 1506:                         }
 1507:                         my $cclist = join(' ',@{$recips{'cc'}});
 1508:                         $r->print('<tr><td colspan="3"><table><tr><td>'.&mt('[_1]Cc[_2] to other copied recipients','<b>','</b>').':<br />'.$replyall.'</td><td>'.$cclist.'</td></tr></table></td></tr>');
 1509:                     }
 1510:                 }
 1511:                 if ($content{'group'} ne '') {
 1512:                     if (&check_group_priv($content{'group'})) {
 1513:                         if (ref($recips{'group_cc_broadcast'}) eq 'ARRAY') {
 1514:                             if (@{$recips{'group_cc_broadcast'}} > 0) {
 1515:                                 my $replyall;
 1516:                                 if (@{$recips{'group_cc_broadcast'}} > 1) {
 1517:                                     $replyall = qq|
 1518:  <span class="LC_nobreak">
 1519:       <input type="button" value="check all"
 1520:         onclick="javascript:checkAll(document.compemail.replying_groupcc)" />
 1521:         &nbsp;&nbsp;
 1522:       <input type="button" value="uncheck all"
 1523:         onclick="javascript:uncheckAll(document.compemail.replying_groupcc)" />
 1524:  </span>
 1525: |;
 1526:                                 }
 1527:                                 my $groupcclist = join(' ',@{$recips{'group_cc_broadcast'}});
 1528:                                 $r->print('<tr><td colspan="3"><table><tr><td>'.&mt('[_1]Cc[_2] to other copied group members','<b>','</b>').':<br />'.$replyall.'</td><td>'.$groupcclist.'<input type="hidden" name="group" value="'.$content{'group'}.'" /><input type="hidden" name="sendmode" value="group" /><input type="hidden" name="groupmail" value="cc" /></td></tr></table></td></tr>');
 1529:                             }
 1530:                         }
 1531:                     }
 1532:                 }
 1533:             }
 1534: 	} else {
 1535:             $r->print(&recipient_input_row($defdom,%lt));
 1536:         }
 1537:     }
 1538:     my $latexHelp = &Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
 1539:     my $wysiwyglink=&Apache::lonhtmlcommon::htmlareaselectactive('message').'<br />';
 1540:     my $subj_size;
 1541:     if ($multiforward) {
 1542:         $r->print(&additional_rec_row(\%lt));
 1543:         $r->print('<tr><td colspan="2">'.
 1544:                   &mt('Unless you choose otherwise:').'<ul><li>'.
 1545:         &mt("The subject in each forwarded message will be <i>'Forwarding:'</i> followed by the original subject.").'</li><li>'.
 1546:         &mt("The message itself will begin with a first line: <i>'Forwarded message from'</i> followed by the original sender's name.").'</li></ul></td></tr>');
 1547:         $func1='Forward'; # do not translate here!
 1548:         $dissub = &mt('Forwarding').': ';
 1549:         $subj_size = '10';
 1550:         my $extra = '&lt;'.&mt('original subject').'&gt;&nbsp;&nbsp;&nbsp;'.
 1551:                     '<input type="radio" name="showorigsubj" value="1" checked="checked" />'.&mt('Yes').'&nbsp;<input type="radio" name="showorigsubj" value="0" />'.&mt('No');
 1552:         $dismsg = &mt('Forwarded message from ').' ';
 1553:         my $sender = &mt("sender's name");
 1554:         $r->print(&msg_subject_row($dissub,\%lt,$subj_size,$extra));
 1555:         $r->print('<tr><td>'.&mt('Message begins with:').'</td><td><input type="text" name="msgheader" value="'.$dismsg.'" />&nbsp;'.$sender.'&nbsp;&nbsp;&nbsp;<input type="radio" name="showorigsender" value="1" checked="checked" />'.&mt('Yes').'&nbsp;<input type="radio" name="showorigsender" value="0" />'.&mt('No').'<input type="hidden" name="multiforward" value="'.$multiforward.'" /></td></tr>
 1556: </table>
 1557: <br /><table>
 1558: <tr><td align="left">'."\n".
 1559: $latexHelp."<br />\n".
 1560: &mt("Any new text to display before the text of the original messages:").'<br />'."\n".
 1561: '<textarea name="message" id="message" cols="80" rows="5" wrap="hard"></textarea>'.
 1562: $wysiwyglink);
 1563:         my @to_forward = &Apache::loncommon::get_env_multiple('form.delmark');
 1564:         foreach my $msg (@to_forward) {
 1565:             $r->print('<input type="hidden" name="delmark" value="'.$msg.'" />');
 1566:         }
 1567:         $r->print(&submit_button_row($folder,$dismode,&mt($func1.' '.$func2{'msg'}),
 1568:                                      \%lt));
 1569:     } elsif ($broadcast ne 'upload') {
 1570:         $subj_size = '50';
 1571:         $r->print(&additional_rec_row(\%lt));
 1572:         if (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 1573:             || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
 1574:                                         '/'.$env{'request.course.sec'})) {
 1575:             $r->print(&reply_to_row(\%lt));
 1576:         }
 1577:         $r->print(&msg_subject_row($dissub,\%lt,$subj_size));
 1578:         $r->print(<<"ENDCOMP");
 1579: $attachrow
 1580: </table><br />
 1581: $latexHelp
 1582: <textarea name="message" id="message" cols="80" rows="15" wrap="hard">$dismsg
 1583: </textarea>$wysiwyglink
 1584: $sendmode
 1585: $dispcrit
 1586: $disbase
 1587: ENDCOMP
 1588:         $r->print(&submit_button_row($folder,$dismode,&mt($func1.' '.$func2{'ma'}),
 1589:                                      \%lt,$hasfloat,$group));
 1590:         $r->print($citation);
 1591:         if (exists($env{'form.ref'})) {
 1592:             $r->print('<input type="hidden" name="ref" value="'.
 1593:                       $env{'form.ref'}.'" />');
 1594:         }
 1595:         if (exists($env{'form.group'})) {
 1596:             $r->print('<input type="hidden" name="group" value="'.
 1597:                       $env{'form.group'}.'" />');
 1598:         }
 1599:     } else { # $broadcast is 'upload'
 1600: 	$r->print(<<ENDBLOCK);
 1601: <input type="hidden" name="sendmode" value="upload" />
 1602: <input type="hidden" name="send" value="on" />
 1603: <h3>$lt{'gen'}</h3>
 1604: <p>
 1605: Subject: <input type="text" size="50" name="subject" />
 1606: </p>
 1607: <p>$lt{'gmt'}:<br />
 1608: <textarea name="message" id="message" cols="60" rows="10" wrap="hard">$dismsg
 1609: </textarea>$wysiwyglink</p>
 1610: <p>
 1611: $lt{'tff'}:
 1612: ENDBLOCK
 1613:        $r->print('
 1614: <pre>'."\n".
 1615: &mt('username1:domain1: text')."\n".
 1616: &mt('username2:domain2: text')."\n".
 1617: &mt('username3:domain1: text')."\n".
 1618: '</pre>
 1619: </p>
 1620: <p>
 1621: '.&mt('The messages will be assembled from all lines with the respective'."\n".'<tt>username:domain</tt>, and appended to the general message text.'));
 1622:         $r->print(<<ENDUPLOAD);
 1623: </p>
 1624: <p>
 1625: <input type="file" name="upfile" size="40" /></p><p>
 1626: $dispcrit
 1627: <input type="submit" value="$lt{'uas'}" /></p>
 1628: ENDUPLOAD
 1629:     }
 1630:     if ($env{'form.displayedcrit'}) {
 1631: 	$r->print('<input type="hidden" name="displayedcrit" value="true" />');
 1632:     }
 1633:     $r->print('</form>');
 1634:     if ($hasfloat) {
 1635:         unless($env{'environment.wysiwygeditor'} eq 'on') {
 1636:             $r->print('</div><div class="LC_clear_float_footer"></div>');
 1637:         }
 1638:     }
 1639:     $r->print(&generate_preview_form);
 1640: }
 1641: 
 1642: sub check_group_priv {
 1643:     my ($group) = @_;
 1644:     my $cid = $env{'request.course.id'};
 1645:     my $sec = $env{'request.course.sec'};
 1646:     return if !$cid;
 1647:     my $can_broadcast = &Apache::lonnet::allowed('sgb',$cid.'/'.$group);
 1648:     my $viewgrps = &Apache::lonnet::allowed('vcg',$cid.($sec?'/'.$sec:''));
 1649:     my $editgrps = &Apache::lonnet::allowed('mdg',$cid.($sec?'/'.$sec:''));
 1650:     if ($viewgrps || $editgrps || $can_broadcast) {
 1651:         return 1;
 1652:     }
 1653:     return;
 1654: }
 1655: 
 1656: sub recipient_input_row {
 1657:     my ($dom,%lt) = @_;
 1658:     my $domform = &Apache::loncommon::select_dom_form($dom,'recdomain');
 1659:     my $selectlink=
 1660:       &Apache::loncommon::selectstudent_link('compemail','recuname',
 1661:                                              'recdomain');
 1662:     my $output = <<"ENDREC";
 1663: <tr><td colspan="3"><span class="LC_nobreak"><b>$lt{'to'}</b> $lt{'us'}:&nbsp;<input type="text" size="12" name="recuname" value="$env{'form.recname'}" />&nbsp;$lt{'do'}:&nbsp;$domform&nbsp;&nbsp;$selectlink</span></td></tr>
 1664: ENDREC
 1665:     return $output;
 1666: }
 1667: 
 1668: sub reply_to_row {
 1669:     my ($lt) = @_;
 1670:     my $radioyes = &mt('Yes');
 1671:     my $radiono = &mt('No');
 1672:     my $output = <<"ENDREP";
 1673: <tr><td colspan="3"><span class="LC_nobreak"><b>$lt->{'ar'}</b>:<label><input type="radio" name="can_reply" value="Y" checked="checked" />$radioyes</label>&nbsp;&nbsp;<label><input type="radio" name="can_reply" value="N" />$radiono</label></span>&nbsp;&nbsp;&nbsp;&nbsp;<span class="LC_nobreak">$lt->{'rt'}:&nbsp;<input type="text" size="25" name="reply_to_addr" value="$env{'user.name'}:$env{'user.domain'}" /></span></td></tr>
 1674: ENDREP
 1675:     return $output;
 1676: }
 1677: 
 1678: sub additional_rec_row {
 1679:     my ($lt) = @_;
 1680:     my $cc = &mt('Cc:');
 1681:     my $bcc = &mt('Bcc:');
 1682:     my $exmpl = &mt('username:domain,username:domain,...'); 
 1683:     my $output = <<"ENDADD";
 1684: <tr><td colspan="3"><fieldset id="LC_additionalrecips"><legend><b>$lt->{'ad'}</b> <tt>($exmpl)</tt>:</legend><table>
 1685: <tr><td>&nbsp;</td><td>$lt->{'to'}</td><td><input type="text" size="50" name="additionalrec_to" /></td></tr>
 1686: <tr><td>&nbsp;</td><td>$cc</td><td><input type="text" size="50" name="additionalrec_cc" /></td></tr> 
 1687: <tr><td>&nbsp;</td><td>$bcc</td><td><input type="text" size="50" name="additionalrec_bcc" /></td></tr></table></fieldset></td></tr>
 1688: ENDADD
 1689:     return $output;
 1690: }
 1691: 
 1692: sub submit_button_row {
 1693:     my ($folder,$dismode,$sendtext,$lt,$is_crsform,$group) = @_;
 1694:     my $pre=&mt("Show Preview and Check Spelling");
 1695:     my $value=&mt('Send');
 1696:     my $prevbutton = '<input type="button" name="preview" value="'.$pre.'" onclick="if (typeof(document.compemail.onsubmit)=='."'function'".') {document.compemail.onsubmit();};document.preview.comment.value=document.compemail.message.value;document.preview.subject.value=document.compemail.subject.value;document.preview.submit();" />';
 1697:     my $output = qq|
 1698: <input type="hidden" name="folder" value="$folder" />
 1699: <input type="hidden" name="dismode" value="$dismode" />|;
 1700:     if ($is_crsform) {
 1701:         $output .= '<input type="hidden" name="courserecips" value="" />'."\n";
 1702:         if ($group ne '') {
 1703:             $output .= '<input type="hidden" name="groupmail" value="" />'."\n";
 1704:         }
 1705:     }
 1706:     $output .= qq|
 1707: <table><tr><td align="left">
 1708: <input type="submit" name="send" value="$value" title="$sendtext" />
 1709: <input type="submit" name="cancel" value="$lt->{'ca'}" />
 1710: </td><td width="60">&nbsp;</td><td align="right">$prevbutton</td></tr></table>
 1711: |;
 1712:     return $output;
 1713: }
 1714: 
 1715: sub msg_subject_row {
 1716:     my ($dissub,$lt,$subj_size,$extra) = @_;
 1717:     my $output = '<tr><td colspan="3"><b>'.$lt->{'sb'}.'</b>:&nbsp;<input type="text" size="'.
 1718:                  $subj_size.'" name="subject" value="'.$dissub.'" />'.$extra.
 1719:                  '</td></tr>';
 1720:     return $output;
 1721: }
 1722: 
 1723: sub generate_preview_form {
 1724:     my $prevbutton = (<<ENDPREVIEW);
 1725: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
 1726: <input type="hidden" name="subject" />
 1727: <input type="hidden" name="comment" />
 1728: </form>
 1729: ENDPREVIEW
 1730: }
 1731: 
 1732: # ---------------------------------------------------- Display all face to face
 1733: 
 1734: sub retrieve_instructor_comments {
 1735:     my ($user,$domain)=@_;
 1736:     my $target=$env{'form.grade_target'};
 1737:     if (! $env{'request.course.id'}) { return; }
 1738:     if (! &Apache::lonnet::allowed('dff',$env{'request.course.id'})
 1739: 	&& ! &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
 1740: 				      '/'.$env{'request.course.sec'})) {
 1741: 	return;
 1742:     }
 1743:     my %records=&Apache::lonnet::dump('nohist_email',
 1744: 			 $env{'course.'.$env{'request.course.id'}.'.domain'},
 1745: 			 $env{'course.'.$env{'request.course.id'}.'.num'},
 1746:                          '%255b'.$user.'%253a'.$domain.'%255d');
 1747:     my $result='';
 1748:     foreach my $key (sort(keys(%records))) {
 1749:         my %content=&Apache::lonmsg::unpackagemsg($records{$key});
 1750:         next if ($content{'senderdomain'} eq '');
 1751:         next if ($content{'subject'} !~ /^Record/);
 1752: 	# &Apache::lonfeedback::newline_to_br(\$content{'message'});
 1753: 	$result.='Recorded by '.
 1754:             $content{'sendername'}.':'.$content{'senderdomain'}."\n";
 1755:         $result.=
 1756:             &Apache::lontexconvert::msgtexconverted($content{'message'})."\n";
 1757:      }
 1758:     return $result;
 1759: }
 1760: 
 1761: sub disfacetoface {
 1762:     my ($r,$user,$domain)=@_;
 1763:     my $target=$env{'form.grade_target'};
 1764:     unless ($env{'request.course.id'}) { return; }
 1765:     if  (!&Apache::lonnet::allowed('dff',$env{'request.course.id'})
 1766: 	 && ! &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
 1767: 				       '/'.$env{'request.course.sec'})) {
 1768: 	$r->print(&mt('Not allowed'));
 1769: 	return;
 1770:     }
 1771:     my %records=&Apache::lonnet::dump('nohist_email',
 1772: 			 $env{'course.'.$env{'request.course.id'}.'.domain'},
 1773: 			 $env{'course.'.$env{'request.course.id'}.'.num'},
 1774:                          '%255b'.$user.'%253a'.$domain.'%255d');
 1775:     my $result='';
 1776:     foreach my $key (sort(keys(%records))) {
 1777:         my %content=&Apache::lonmsg::unpackagemsg($records{$key});
 1778:         next if ($content{'senderdomain'} eq '');
 1779: 	&Apache::lonfeedback::newline_to_br(\$content{'message'});
 1780:         if ($content{'subject'}=~/^Record/) {
 1781: 	    $result.='<h3>'.&mt('Record').'</h3>';
 1782:         } elsif ($content{'subject'}=~/^Broadcast/) {
 1783:             $result .='<h3>'.&mt('Broadcast Message').'</h3>';
 1784:             if ($content{'subject'}=~/^Broadcast\./) {
 1785:                 if (defined($content{'coursemsgid'})) {
 1786:                     my $crsmsgid = &escape($content{'coursemsgid'});
 1787:                     my $broadcast_message = &general_message($crsmsgid);
 1788:                     $content{'message'} = '<b>'.&mt('Subject').': '.$content{'message'}.'</b><br />'.$broadcast_message;
 1789:                 } else {
 1790:                     %content=&Apache::lonmsg::unpackagemsg($content{'message'});
 1791:                     $content{'message'} =
 1792:                     '<b>'.&mt('Subject').': '.$content{'subject'}.'</b><br />'.
 1793:                     $content{'message'};
 1794:                 }
 1795:             }
 1796:         } elsif ($content{'subject'}=~/^Archive/) {
 1797:             $result.='<h3>'.&mt('Archived Message').'</h3>';
 1798:             if (defined($content{'coursemsgid'})) {
 1799:                 my $crsmsgid = &escape($content{'coursemsgid'});
 1800:                 my $archive_message = &general_message($crsmsgid);
 1801:                 $content{'message'} = '<b>'.&mt('Subject').': '.$content{'message'}.'</b><br />'.$archive_message;
 1802:             } else {
 1803:                 %content=&Apache::lonmsg::unpackagemsg($content{'message'});
 1804:                 $content{'message'} =
 1805:                 '<b>'.&mt('Subject').': '.$content{'subject'}.'</b><br
 1806: '.
 1807:                 $content{'message'};
 1808:             }
 1809:         } else {
 1810:             $result.='<h3>'.&mt('Critical Message').'</h3>';
 1811:             if (defined($content{'coursemsgid'})) {
 1812:                 my $crsmsgid=&escape($content{'coursemsgid'});
 1813:                 my $critical_message = &general_message($crsmsgid);
 1814:                 $content{'message'} = '<b>'.&mt('Subject').': '.$content{'message'}.'</b><br />'.$critical_message;
 1815:             } else {
 1816:                 %content=&Apache::lonmsg::unpackagemsg($content{'message'});
 1817:                 $content{'message'}=
 1818:                 '<b>'.&mt('Subject').': '.$content{'subject'}.'</b><br />'.
 1819: 		$content{'message'};
 1820:             }
 1821:         }
 1822:         $result.=&mt('By').': <b>'.
 1823: &Apache::loncommon::aboutmewrapper(
 1824:  &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).'</b> ('.
 1825: $content{'sendername'}.':'.
 1826:             $content{'senderdomain'}.') '.$content{'time'}.
 1827:             '<br /><pre>'.
 1828:               &Apache::lontexconvert::msgtexconverted($content{'message'}).
 1829: 	      '</pre>';
 1830:      }
 1831:     # Check to see if there were any messages.
 1832:     if ($result eq '') {
 1833:         my $lctype = &mt(lc(&Apache::loncommon::course_type()));
 1834: 	if ($target ne 'tex') { 
 1835: 	    $r->print("<p><b>".&mt('No notes, face-to-face discussion records, critical messages, or broadcast messages in this [_1].',$lctype)."</b></p>");
 1836: 	} else {
 1837: 	    $r->print('\textbf{'.&mt('No notes, face-to-face discussion records, critical messages or broadcast messages in this [_1].',$lctype).'}\\\\');
 1838: 	}
 1839:     } else {
 1840:        $r->print($result);
 1841:     }
 1842: }
 1843: 
 1844: sub general_message {
 1845:     my ($crsmsgid) = @_;
 1846:     my %general_content;
 1847:     if ($crsmsgid) { 
 1848:         my %course_content = &Apache::lonnet::get('nohist_email',[$crsmsgid],
 1849:                            $env{'course.'.$env{'request.course.id'}.'.domain'},
 1850:                            $env{'course.'.$env{'request.course.id'}.'.num'});
 1851:         %general_content = &Apache::lonmsg::unpackagemsg($course_content{$crsmsgid});
 1852:     }
 1853:     return $general_content{'message'};
 1854: }
 1855: 
 1856: # ---------------------------------------------------------------- Face to face
 1857: 
 1858: sub facetoface {
 1859:     my ($r,$stage)=@_;
 1860:     if (!&Apache::lonnet::allowed('dff',$env{'request.course.id'})
 1861: 	&& ! &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
 1862: 				      '/'.$env{'request.course.sec'})) {
 1863: 	$r->print(&mt('Not allowed'));
 1864: 	return;
 1865:     }
 1866:     my $crstype = &Apache::loncommon::course_type();
 1867:     my $leaders = ($crstype eq 'Group') ? 'coordinators and leaders'
 1868:                                         : 'faculty and staff';
 1869:     &printheader($r,
 1870: 		 '/adm/email?recordftf=query',
 1871: 		 "User Notes, Face-to-Face, Critical Messages, Broadcast Messages, Archived Messages");
 1872: # from query string
 1873: 
 1874:     if ($env{'form.recname'}) { $env{'form.recuname'}=$env{'form.recname'}; }
 1875:     if ($env{'form.recdom'}) { $env{'form.recdomain'}=$env{'form.recdom'}; }
 1876: 
 1877:     my $defdom=$env{'user.domain'};
 1878: # already filled in
 1879:     if ($env{'form.recdomain'}) { $defdom=$env{'form.recdomain'}; }
 1880: # generate output
 1881:     my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain');
 1882:     my $stdbrws = &Apache::loncommon::selectstudent_link
 1883: 	('stdselect','recuname','recdomain');
 1884:     my %lt=&Apache::lonlocal::texthash('user' => 'Username',
 1885: 				       'dom' => 'Domain',
 1886: 				       'head' => "User Notes, Records of Face-To-Face Discussions, Critical Messages, Broadcast Messages and Archived Messages in $crstype",
 1887: 				       'subm' => 'Retrieve discussion and message records',
 1888: 				       'newr' => 'New Record (record is visible to '.lc($crstype).' '.$leaders.')',
 1889: 				       'post' => 'Post this Record');
 1890:     $r->print(<<"ENDTREC");
 1891: <h3>$lt{'head'}</h3>
 1892: <form method="post" action="/adm/email" name="stdselect">
 1893: <input type="hidden" name="recordftf" value="retrieve" />
 1894: <table>
 1895: <tr><td>$lt{'user'}:</td><td><input type="text" size="12" name="recuname" value="$env{'form.recuname'}" /></td>
 1896: <td rowspan="2">
 1897: $stdbrws
 1898: <input type="submit" value="$lt{'subm'}" /></td>
 1899: </tr>
 1900: <tr><td>$lt{'dom'}:</td>
 1901: <td>$domform</td></tr>
 1902: </table>
 1903: </form>
 1904: ENDTREC
 1905:     if (($stage ne 'query') &&
 1906:         ($env{'form.recdomain'}) && ($env{'form.recuname'})) {
 1907:         chomp($env{'form.newrecord'});
 1908:         if ($env{'form.newrecord'}) {
 1909: 	    &Apache::lonmsg::store_instructor_comment($env{'form.newrecord'},
 1910: 						      $env{'form.recuname'},
 1911: 						      $env{'form.recdomain'});
 1912:         }
 1913:         $r->print('<h3>'.&Apache::loncommon::plainname($env{'form.recuname'},
 1914: 				     $env{'form.recdomain'}).'</h3>');
 1915:         &disfacetoface($r,$env{'form.recuname'},$env{'form.recdomain'});
 1916: 	$r->print(<<ENDRHEAD);
 1917: <form method="post" action="/adm/email">
 1918: <input name="recdomain" value="$env{'form.recdomain'}" type="hidden" />
 1919: <input name="recuname" value="$env{'form.recuname'}" type="hidden" />
 1920: ENDRHEAD
 1921:         $r->print(<<ENDBFORM);
 1922: <hr />$lt{'newr'}<br />
 1923: <textarea name="newrecord" cols="80" rows="10" wrap="hard"></textarea>
 1924: <br />
 1925: <input type="hidden" name="recordftf" value="post" />
 1926: <input type="submit" value="$lt{'post'}" />
 1927: </form>
 1928: ENDBFORM
 1929:     }
 1930: }
 1931: 
 1932: # ----------------------------------------------------------- Blocking during exams
 1933: 
 1934: sub examblock {
 1935:     my ($r,$action) = @_;
 1936:     unless ($env{'request.course.id'}) { return;}
 1937:     if (!&Apache::lonnet::allowed('dcm',$env{'request.course.id'})
 1938: 	&& ! &Apache::lonnet::allowed('dcm',$env{'request.course.id'}.
 1939: 				      '/'.$env{'request.course.sec'})) {
 1940: 	$r->print('Not allowed');
 1941: 	return;
 1942:     }
 1943:     my $usertype = (&Apache::loncommon::course_type() eq 'Group') ? 'members'
 1944: 	                                                          : 'students';
 1945:     my %lt=&Apache::lonlocal::texthash(
 1946:             'comb' => 'Communication Blocking',
 1947:             'cbds' => 'Communication blocking during scheduled exams',
 1948:             '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 $usertype who are also both enrolled in a different LON-CAPA course, please be careful that you select the correct start and end times for your scheduled exam when setting or modifying these parameters.",
 1949:              'mecb' => 'Modify existing communication blocking periods',
 1950:              'ncbc' => 'No communication blocks currently saved',
 1951:              'stor' => 'Save',
 1952:     );
 1953: 
 1954:     my %ltext = &Apache::lonlocal::texthash(
 1955:             'dura' => 'Duration',
 1956:             'setb' => 'Set by',
 1957:             'even' => 'Event',
 1958:             'blck' => 'Blocked?',
 1959:             'actn' => 'Action',
 1960:             'star' => 'Start',
 1961:             'endd' => 'End'
 1962:     );
 1963: 
 1964:     &printheader($r,'/adm/email?block=display',$lt{'comb'});
 1965:     $r->print('<h3>'.$lt{'cbds'}.'</h3>');
 1966: 
 1967:     if ($action eq 'store') {
 1968:         &blockstore($r);
 1969:     }
 1970: 
 1971:     $r->print($lt{'desc'}.'<br /><br />
 1972:                <form name="blockform" method="post" action="/adm/email?block=store">
 1973:              ');
 1974: 
 1975:     $r->print('<h4>'.$lt{'mecb'}.'</h4>');
 1976:     my %records = ();
 1977:     my $blockcount = 0;
 1978:     my $parmcount = 0;
 1979:     &get_blockdates(\%records,\$blockcount);
 1980:     if ($blockcount > 0) {
 1981:         $parmcount = &display_blocker_status($r,\%records,\%ltext);
 1982:     } else {
 1983:         $r->print($lt{'ncbc'}.'<br /><br />');
 1984:     }
 1985:     &display_addblocker_table($r,$parmcount,\%ltext);
 1986:     my $end_page=&Apache::loncommon::end_page();
 1987:     $r->print(<<"END");
 1988: <br />
 1989: <input type="hidden" name="blocktotal" value="$blockcount" />
 1990: <input type ="submit" value="$lt{'stor'}" />
 1991: </form>
 1992: $end_page
 1993: END
 1994:     return;
 1995: }
 1996: 
 1997: sub blockstore {
 1998:     my $r = shift;
 1999:     my %lt=&Apache::lonlocal::texthash(
 2000:             'tfcm' => 'The following changes were made',
 2001:             'ncwm' => 'No changes were made.' 
 2002:     );
 2003:     my %adds = ();
 2004:     my %removals = ();
 2005:     my %cancels = ();
 2006:     my $modtotal = 0;
 2007:     my $canceltotal = 0;
 2008:     my $addtotal = 0;
 2009:     my %blocking = ();
 2010:     $r->print('<h3>'.$lt{'head'}.'</h3>');
 2011:     foreach my $envkey (keys(%env)) {
 2012:         if ($envkey =~ m/^form\.modify_(\d+)$/) {
 2013:             $adds{$1} = $1;
 2014:             $removals{$1} = $1;
 2015:             $modtotal ++;
 2016:         } elsif ($envkey =~ m/^form\.cancel_(\d+)$/) {
 2017:             $cancels{$1} = $1;
 2018:             unless ( defined($removals{$1}) ) {
 2019:                 $removals{$1} = $1;
 2020:                 $canceltotal ++;
 2021:             }
 2022:         } elsif ($envkey =~ m/^form\.add_(\d+)$/) {
 2023:             $adds{$1} = $1;
 2024:             $addtotal ++;
 2025:         } 
 2026:     }
 2027: 
 2028:     foreach my $key (keys(%removals)) {
 2029:         my $hashkey = $env{'form.key_'.$key};
 2030:         &Apache::lonnet::del('comm_block',["$hashkey"],
 2031:                          $env{'course.'.$env{'request.course.id'}.'.domain'},
 2032:                          $env{'course.'.$env{'request.course.id'}.'.num'}
 2033:                          );
 2034:     }
 2035:     foreach my $key (keys(%adds)) {
 2036:         unless ( defined($cancels{$key}) ) {
 2037:             my ($newstart,$newend) = &get_dates_from_form($key);
 2038:             my $newkey = $newstart.'____'.$newend;
 2039:             my $blocktypes = &get_block_choices($key);
 2040:             $blocking{$newkey} = {
 2041:                           setter => $env{'user.name'}.':'.$env{'user.domain'},
 2042:                           event  => &escape($env{'form.title_'.$key}),
 2043:                           blocks => $blocktypes,
 2044:                         };
 2045:         }
 2046:     }
 2047:     if ($addtotal + $modtotal > 0) {
 2048:         &Apache::lonnet::put('comm_block',\%blocking,
 2049:                      $env{'course.'.$env{'request.course.id'}.'.domain'},
 2050:                      $env{'course.'.$env{'request.course.id'}.'.num'}
 2051:                      );
 2052:     }
 2053:     my $chgestotal = $canceltotal + $modtotal + $addtotal;
 2054:     if ($chgestotal > 0) {
 2055:         $r->print($lt{'tfcm'}.'<ul>');
 2056:         if ($canceltotal > 0) {
 2057:             $r->print('<li>'.&mt('[quant,_1,communication blocking period was,communication blocking periods were] removed.',$canceltotal).'</li>');
 2058:         }
 2059:         if ($modtotal > 0) {
 2060:             $r->print('<li>'.&mt('[quant,_1,communication blocking period was,communication blocking periods were] modified.',$modtotal).'</li>');
 2061:         }
 2062:         if ($addtotal > 0) {
 2063:             $r->print('<li>'.&mt('[quant,_1,communication blocking period was,communication blocking periods were] added.',$addtotal).'</li>');
 2064:         }
 2065:         $r->print('</ul>');
 2066:     } else {
 2067:         $r->print($lt{'ncwm'});
 2068:     }
 2069:     $r->print('<br />');
 2070:     return;
 2071: }
 2072: 
 2073: sub get_dates_from_form {
 2074:     my $item = shift;
 2075:     my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate_'.$item);
 2076:     my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate_'.$item);
 2077:     return ($startdate,$enddate);
 2078: }
 2079: 
 2080: sub get_blockdates {
 2081:     my ($records,$blockcount) = @_;
 2082:     $$blockcount = 0;
 2083:     %{$records} = &Apache::lonnet::dump('comm_block',
 2084:                          $env{'course.'.$env{'request.course.id'}.'.domain'},
 2085:                          $env{'course.'.$env{'request.course.id'}.'.num'}
 2086:                          );
 2087:     $$blockcount = keys(%{$records});
 2088: 
 2089:     if ((keys(%{$records}))[0] =~ /^error: 2 /) {
 2090: 	$records = {};
 2091: 	$$blockcount = 0;
 2092:     }
 2093: }
 2094: 
 2095: sub get_block_choices {
 2096:     my $item = shift;
 2097:     my $blocklist;
 2098:     my ($typeorder,$types) = &blocktype_text();
 2099:     foreach my $type (@{$typeorder}) {
 2100:         if ($env{'form.'.$type.'_'.$item}) {
 2101:             $blocklist->{$type} = 'on'; 
 2102:         } else {
 2103:             $blocklist->{$type} = 'off';
 2104:         }
 2105:     }
 2106:     return $blocklist;
 2107: }
 2108: 
 2109: sub display_blocker_status {
 2110:     my ($r,$records,$ltext) = @_;
 2111:     my $parmcount = 0;
 2112:   
 2113:     my %lt = &Apache::lonlocal::texthash(
 2114:         'modi' => 'Modify',
 2115:         'canc' => 'Cancel',
 2116:     );
 2117:     my ($typeorder,$types) = &blocktype_text();
 2118:     $r->print(&Apache::loncommon::start_data_table());
 2119:     $r->print(<<"END");
 2120:   <tr>
 2121:     <th>$ltext->{'dura'}</th>
 2122:     <th>$ltext->{'setb'}</th>
 2123:     <th>$ltext->{'even'}</th>
 2124:     <th>$ltext->{'blck'}</th>
 2125:     <th>$ltext->{'actn'}?</th>
 2126:   </tr>
 2127: END
 2128:     foreach my $record (sort(keys(%{$records}))) {
 2129:         my $onchange = 'onFocus="javascript:window.document.forms['.
 2130:                        "'blockform'].elements['modify_".$parmcount."'].".
 2131:                        'checked=true;"';
 2132:         my ($start,$end) = split(/____/,$record);
 2133:         my $startform = &Apache::lonhtmlcommon::date_setter('blockform','startdate_'.$parmcount,$start,$onchange);
 2134:         my $endform = &Apache::lonhtmlcommon::date_setter('blockform','enddate_'.$parmcount,$end,$onchange);
 2135: 	
 2136: 	my ($setuname,$setudom,$title,$blocks) = 
 2137: 	    &Apache::loncommon::parse_block_record($$records{$record});
 2138: 	$title = &HTML::Entities::encode($title,'"<>&');
 2139:         my $settername = 
 2140:            &Apache::loncommon::aboutmewrapper(
 2141:                            &Apache::loncommon::plainname($setuname,$setudom),
 2142:                            $setuname,$setudom);
 2143:         $r->print(&Apache::loncommon::start_data_table_row());
 2144:         $r->print(<<"END");
 2145:         <td>$ltext->{'star'}:&nbsp;$startform<br/>$ltext->{'endd'}:&nbsp;&nbsp;$endform</td>
 2146:         <td>$settername</td>
 2147:         <td><input type="text" name="title_$parmcount" size="15" value="$title" /><input type="hidden" name="key_$parmcount" value="$record" /></td>
 2148:         <td>
 2149: END
 2150:         foreach my $block (@{$typeorder}) {
 2151:             my $blockstatus = '';
 2152:             if ($blocks->{$block} eq 'on') {
 2153:                 $blockstatus = 'checked="true"';
 2154:             }
 2155:             $r->print('<label><input type="checkbox" name="'.$block.'_'.$parmcount.'" '.$blockstatus.' value="1" />'.$types->{$block}.'</label><br />');
 2156:         }
 2157:         $r->print(<<"END");
 2158:         </td>      
 2159:         <td><label>$lt{'modi'}?&nbsp;<input type="checkbox" name="modify_$parmcount" /></label><br /><label>$lt{'canc'}?&nbsp;&nbsp;<input type="checkbox" name="cancel_$parmcount" /></label>
 2160: END
 2161:         $r->print(&Apache::loncommon::end_data_table_row());
 2162:         $parmcount++;
 2163:     }
 2164:     $r->print(<<"END");
 2165: </table>
 2166: <br />
 2167: <br />
 2168: END
 2169:     return $parmcount;
 2170: }
 2171: 
 2172: sub display_addblocker_table {
 2173:     my ($r,$parmcount,$ltext) = @_;
 2174:     my $start = time;
 2175:     my $end = $start + (60 * 60 * 2); #Default is an exam of 2 hours duration.
 2176:     my $onchange = 'onFocus="javascript:window.document.forms['.
 2177:                    "'blockform'].elements['add_".$parmcount."'].".
 2178:                    'checked=true;"';
 2179:     my $startform = &Apache::lonhtmlcommon::date_setter('blockform','startdate_'.$parmcount,$start,$onchange);
 2180:     my $endform = &Apache::lonhtmlcommon::date_setter('blockform','enddate_'.$parmcount,$end,$onchange);
 2181:     my %lt = &Apache::lonlocal::texthash(
 2182:         'addb' => 'Add block',
 2183:         'exam' => 'e.g., Exam 1',
 2184:         'addn' => 'Add new communication blocking periods'
 2185:     );
 2186:     my ($typeorder,$types) = &blocktype_text();
 2187:     $r->print(<<"END");
 2188: <h4>$lt{'addn'}</h4> 
 2189: END
 2190:     $r->print(&Apache::loncommon::start_data_table());
 2191:     $r->print(<<"END");
 2192:    <tr>
 2193:      <th>$ltext->{'dura'}</th>
 2194:      <th>$ltext->{'even'} $lt{'exam'}</th>
 2195:      <th>$ltext->{'blck'}</th>
 2196:      <th>$ltext->{'actn'}?</th>
 2197:    </tr>
 2198: END
 2199:     $r->print(&Apache::loncommon::start_data_table_row());
 2200:     $r->print(<<"END");
 2201:      <td>$ltext->{'star'}:&nbsp;$startform<br />$ltext->{'endd'}:&nbsp;&nbsp;$endform</td>
 2202:      <td><input type="text" name="title_$parmcount" size="15" value="" /></td>
 2203:      <td>
 2204: END
 2205:     foreach my $block (@{$typeorder}) {
 2206:         $r->print('<label><input type="checkbox" name="'.$block.'_'.$parmcount.'" value="1" />'.$types->{$block}.'</label><br />');
 2207:      }
 2208:      $r->print(<<"END");
 2209:      </td> 
 2210:      <td><label>$lt{'addb'}?&nbsp;<input type="checkbox" name="add_$parmcount" value="1" /></label></td>
 2211: END
 2212:     $r->print(&Apache::loncommon::end_data_table_row());
 2213:     $r->print(&Apache::loncommon::end_data_table());
 2214:     return;
 2215: }
 2216: 
 2217: sub blocktype_text {
 2218:     my %types = &Apache::lonlocal::texthash(
 2219:         'com' => 'Messaging',
 2220:         'chat' => 'Chat',
 2221:         'boards' => 'Discussion',
 2222:         'port' => 'Portfolio',
 2223:         'groups' => 'Groups',
 2224:         'blogs' => 'Blogs',
 2225:     );
 2226:     my $typeorder = ['com','chat','boards','port','groups','blogs'];
 2227:     return ($typeorder,\%types);
 2228: }
 2229: 
 2230: # ----------------------------------------------------------- Display a message
 2231: 
 2232: sub displaymessage {
 2233:     my ($r,$msgid,$folder,$msgstatus)=@_;
 2234:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
 2235:     my %blocked = ();
 2236:     my %setters = ();
 2237:     my $numblocked = 0;
 2238:     my $crstype = &Apache::loncommon::course_type();
 2239: 
 2240: # info to generate "next" and "previous" buttons and check if message is blocked
 2241:     my ($startblock,$endblock) = &Apache::loncommon::blockcheck(\%setters,'com');
 2242:     my @messages=&sortedmessages(\%blocked,$startblock,$endblock,\$numblocked,$folder,$msgstatus);
 2243:     if ( $blocked{$msgid} eq 'ON' ) {
 2244:         &printheader($r,'/adm/email',&mt('Display a Message'));
 2245:         $r->print(&mt('You attempted to display a message that is currently blocked because you are enrolled in one or more courses for which there is an ongoing online exam.'));
 2246:         &build_block_table($r,$startblock,$endblock,\%setters);
 2247:         return;
 2248:     }
 2249:     if ($msgstatus eq '') {
 2250:         &statuschange($msgid,'read',$folder);
 2251:     }
 2252:     my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
 2253:     my %content=&Apache::lonmsg::unpackagemsg($message{$msgid});
 2254:     my $counter=0;
 2255:     my $escmsgid=&escape($msgid);
 2256:     foreach (@messages) {
 2257: 	if ($_->[5] eq $escmsgid){
 2258: 	    last;
 2259: 	}
 2260: 	$counter++;
 2261:     }
 2262: 
 2263:     my $see_anonymous;
 2264:     my $from_student = 0;
 2265:     if ($env{'request.course.id'} eq $content{'courseid'}) {
 2266: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2267: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 2268: 	my $username = $content{'sendername'}.':'.$content{'senderdomain'};
 2269: 	my %classlist_entry =
 2270: 	    &Apache::lonnet::get('classlist',[$username],$cdom,$cnum);
 2271: 	if (exists($classlist_entry{$username})) {
 2272: 	    $from_student = 1;
 2273: 	    $see_anonymous = &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
 2274: 	}
 2275:     }
 2276: 
 2277: 
 2278:     my $number_of_messages = scalar(@messages); #subtract 1 for last index
 2279: # start output
 2280:     &printheader($r,'/adm/email?display='.&escape($msgid),'Display a Message','',$content{'baseurl'});
 2281:     my %courseinfo=&Apache::lonnet::coursedescription($content{'courseid'});
 2282: 
 2283: # Functions and Actions
 2284:     my $li_start='<span class="LC_nobreak">&bull; ';
 2285:     my $li_end='</span> ';
 2286: 
 2287: # Prepare available functions
 2288:     my $functionlist='';
 2289:     if (!$content{'noreplies'}) {
 2290:         $functionlist.=$li_start
 2291:                      .'<a href="/adm/email?replyto='.&escape($msgid).$sqs.'">'
 2292:                      .&mt('Reply')
 2293:                      .'</a>'
 2294:                      .$li_end;
 2295:     }
 2296:     $functionlist.=$li_start
 2297:                   .'<a href="/adm/email?forward='.&escape($msgid).$sqs.'">'
 2298:                   .&mt('Forward')
 2299:                   .'</a>'
 2300:                   .$li_end;
 2301:     $functionlist.=$li_start
 2302:                   .'<a href="/adm/email?markunread='.&escape($msgid).$sqs.'">'
 2303:                   .&mt('Mark Unread')
 2304:                   .'</a>'
 2305:                   .$li_end;
 2306:     $functionlist.=$li_start
 2307:                   .'<a href="/adm/email?markdel='.&escape($msgid).$sqs.'">'
 2308:                   .&mt('Delete')
 2309:                   .'</a>'
 2310:                   .$li_end;
 2311:     $functionlist.=$li_start
 2312:                   .'<a href="/adm/email?'.$sqs.'">'
 2313:                   .&mt('Back to Folder Display')
 2314:                   .'</a>'
 2315:                   .$li_end;
 2316:     if ($counter > 0){
 2317:         $functionlist.=$li_start
 2318:               .'<a href="/adm/email?display='.$messages[$counter-1]->[5].$sqs.'">'
 2319:               .&mt('Previous')
 2320:               .'</a>'
 2321:               .$li_end;
 2322:     }
 2323:     if ($counter < $number_of_messages - 1){
 2324:         $functionlist.=$li_start
 2325:               .'<a href="/adm/email?display='.$messages[$counter+1]->[5].$sqs.'">'
 2326:               .&mt('Next')
 2327:               .'</a>'
 2328:               .$li_end;
 2329:     }
 2330: # Print functions
 2331:     $r->print('<div class="LC_left_float">'
 2332:              .'<fieldset>'
 2333:              .'<legend><span class="LC_mail_functions">'
 2334:              .&mt('Functions')
 2335:              .'</span></legend>'
 2336:              .$functionlist
 2337:              .'</fieldset>'
 2338:              .'</div>'
 2339:     );
 2340: 
 2341: # Prepare available actions
 2342:     my $symb;
 2343:     if (defined($content{'symb'})) {
 2344:         $symb = $content{'symb'};
 2345:     } elsif (defined($content{'baseurl'})) {
 2346:         $symb=&Apache::lonnet::symbread($content{'baseurl'});
 2347:     }
 2348:     if ($env{'user.adv'}) {
 2349:         my $actionlist='';
 2350: 
 2351: 	if (&Apache::lonnet::allowed('vgr',$env{'request.course.id'})) {
 2352: 		$actionlist.=$li_start
 2353:                             .&Apache::loncommon::track_student_link(
 2354:                                  &mt('View recent activity'),$content{'sendername'},$content{'senderdomain'},'check')
 2355:                             .$li_end;
 2356: 	}
 2357: 	if (&Apache::lonnet::allowed('opa',$env{'request.course.id'}) && $symb) {
 2358: 	    $actionlist.=$li_start
 2359:                         .&Apache::loncommon::pprmlink(
 2360:                              &mt('Set/Change parameters'),$content{'sendername'},$content{'senderdomain'},$symb,'check')
 2361:                         .$li_end;
 2362: 	}
 2363: 	if (&Apache::lonnet::allowed('mgr',$env{'request.course.id'}) && $symb) {
 2364: 	    $actionlist.=$li_start
 2365:                        .&Apache::loncommon::pgrdlink(
 2366:                             &mt('Set/Change grades'),$content{'sendername'},$content{'senderdomain'},$symb,'check')
 2367:                        .$li_end;
 2368: 	}
 2369: 
 2370: # Print actions
 2371:         if ($actionlist) {
 2372:             $r->print('<div class="LC_left_float">'
 2373:                      .'<fieldset>'
 2374:                      .'<legend>'
 2375:                      .&mt('[_1]Currently available actions[_2] (will open extra window):','<span class="LC_mail_functions">','</span>')
 2376:                      .'</legend>'
 2377:                      .$actionlist
 2378:                      .'</fieldset>'
 2379:                      .'</div>'
 2380:             );
 2381:         }
 2382:     }
 2383: 
 2384:     my ($tonum,$tolist,$cclist,$bcclist,$groupcclist,%recipients);
 2385:     if ($content{'recipid'}) {
 2386:         $tonum = &retrieve_recips('display',\%content,\%recipients);
 2387:         if (ref($recipients{'cc'}) eq 'ARRAY') {
 2388:             $cclist = join(', ',@{$recipients{'cc'}});
 2389:         }
 2390:         if (ref($recipients{'to'}) eq 'ARRAY') {
 2391:             $tolist = join(', ',@{$recipients{'to'}});
 2392:         }
 2393:         if (ref($recipients{'bcc'}) eq 'ARRAY') {
 2394:             $bcclist = join(', ',@{$recipients{'bcc'}});
 2395:         }
 2396:     }
 2397: 
 2398:     my $broadcast_link;
 2399:     if (($content{'courseid'}) && ($content{'recipid'} &&
 2400:         (ref($recipients{'course_broadcast'}) eq 'ARRAY') ||
 2401:         (ref($recipients{'group_cc_broadcast'}) eq 'ARRAY') ||
 2402:         (ref($recipients{'group_bcc_broadcast'}) eq 'ARRAY'))) {
 2403:         $broadcast_link = &recipients_link($r,\%content,\%recipients);
 2404:     }
 2405: 
 2406:     if (((!$tolist) && (!$broadcast_link)) && ref($content{'recuser'}) eq 'ARRAY') {
 2407:         my @recipients;
 2408:         for (my $i=0; $i<@{$content{'recuser'}}; $i++) {
 2409:             $recipients[$i] =  &Apache::loncommon::aboutmewrapper(
 2410:                &Apache::loncommon::plainname($content{'recuser'}[$i],
 2411:                                       $content{'recdomain'}[$i]),
 2412:                   $content{'recuser'}[$i],$content{'recdomain'}[$i]).
 2413:            ' ('.$content{'recuser'}[$i].':'.$content{'recdomain'}[$i].') ';
 2414:         }
 2415:         $tolist = join(', ',@recipients);
 2416:     }
 2417:     my ($restitle,$baseurl,$refers_to);
 2418:     if (defined($content{'resource_title'})) {
 2419:         $restitle = $content{'resource_title'};
 2420:     } else {
 2421:         if (defined($content{'baseurl'})) {
 2422:             $restitle = &Apache::lonnet::gettitle($content{'baseurl'});
 2423:         }
 2424:     }
 2425:     if (defined($content{'baseurl'})) {
 2426:         $baseurl = &Apache::lonenc::check_encrypt($content{'baseurl'});
 2427:     }
 2428:     $r->print('<div class="LC_clear_float_footer">');
 2429:     if ($from_student && $see_anonymous ) {
 2430: 	$r->print(&Apache::loncommon::student_image_tag($content{'senderdomain'},$content{'sendername'}).'</br>');
 2431:     }
 2432: 
 2433:     # Display LON-CAPA Message (Start)
 2434:     # Subject
 2435:     $r->print('</div>'
 2436:              .&Apache::lonhtmlcommon::start_pick_box()
 2437:              .&Apache::lonhtmlcommon::row_title(&mt('Subject'))
 2438:              .$content{'subject'}
 2439:              .&Apache::lonhtmlcommon::row_closure()
 2440:     );
 2441:     if ($folder eq 'sent') {
 2442:         # To
 2443:         if ($tolist) {
 2444:             $r->print(&Apache::lonhtmlcommon::row_title(&mt('To'))
 2445:                      .$tolist
 2446:                      .&Apache::lonhtmlcommon::row_closure()
 2447:             );
 2448:         }
 2449:         if ($cclist) {
 2450:             $r->print(&Apache::lonhtmlcommon::row_title(&mt('Cc'))
 2451:                      .$cclist
 2452:                      .&Apache::lonhtmlcommon::row_closure()
 2453:             );
 2454:         }
 2455:         if ($bcclist) {
 2456:             $r->print(&Apache::lonhtmlcommon::row_title(&mt('Bcc'))
 2457:                      .$bcclist
 2458:                      .&Apache::lonhtmlcommon::row_closure()
 2459:             );
 2460:         }
 2461:         if (($content{'courseid'}) && ($content{'recipid'})) {
 2462:             my %broadcast_types = 
 2463:                 &Apache::lonlocal::texthash (
 2464:                     course_broadcast    => 'Broadcast to', 
 2465:                     group_cc_broadcast  => 'Cc to group',
 2466:                     group_bcc_broadcast => 'Bcc to group',
 2467:                 );                   
 2468:             foreach my $type (sort(keys(%broadcast_types))) {
 2469:                 if (ref($recipients{$type}) eq 'ARRAY') {
 2470:                     my $num = @{$recipients{$type}};
 2471:                     my $broadcastlist = join(', ',@{$recipients{$type}});
 2472:                     if ($broadcastlist && $broadcast_link) {
 2473:                         if ($type eq 'group_cc_broadcast') {
 2474:                             $groupcclist = $broadcastlist;
 2475:                         }
 2476:                         $r->print(&Apache::lonhtmlcommon::row_title(
 2477:                                             $broadcast_types{$type})
 2478:                                   .&mt('[quant,_1,recipient]',$num)
 2479:                                   .' <a href="javascript:showBroadcastList();">['
 2480:                                   .&mt('Show').']</a>' 
 2481:                                   .&Apache::lonhtmlcommon::row_closure());
 2482:                     }
 2483:                 }
 2484:             }
 2485:         }
 2486:         if ($content{'replytoaddr'}) {
 2487:             my ($replytoname,$replytodom) = split(/:/,$content{'replytoaddr'});
 2488:             if ($replytoname ne '' && $replytodom ne '') {
 2489:                 $r->print(&Apache::lonhtmlcommon::row_title(&mt('Reply To'))
 2490:                          .$replytoname.':'.$replytodom
 2491:                          .&Apache::lonhtmlcommon::row_closure()
 2492:                 );
 2493:             }
 2494:         }
 2495:     } else {
 2496:         # From, Reply
 2497:         $r->print(&Apache::lonhtmlcommon::row_title(&mt('From'))
 2498:                  .&Apache::loncommon::aboutmewrapper(
 2499:                      &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),
 2500:                                                  $content{'sendername'},$content{'senderdomain'})
 2501:         );
 2502:         if ($content{'noreplies'}) {
 2503:             $r->print(' ('.&mt('No replies to sender').')'
 2504:                      .&Apache::lonhtmlcommon::row_closure()
 2505:             );
 2506:         } else {
 2507:             if ($content{'replytoaddr'}) {
 2508:                 my ($replytoname,$replytodom) = split(/:/,$content{'replytoaddr'});
 2509:                 if ($replytoname ne '' && $replytodom ne '') {
 2510:                     $r->print(&Apache::lonhtmlcommon::row_closure()
 2511:                              .&Apache::lonhtmlcommon::row_title(&mt('Reply To'))
 2512:                              .$replytoname.':'.$replytodom
 2513:                              .&Apache::lonhtmlcommon::row_closure()
 2514:                     );
 2515:                 } else {
 2516:                     $r->print(&Apache::lonhtmlcommon::row_closure());
 2517:                 }
 2518:             } else {
 2519:                 $r->print(' ('.$content{'sendername'}.':'.$content{'senderdomain'}.') '
 2520:                          .&Apache::lonhtmlcommon::row_closure()
 2521:                 );
 2522:             }
 2523:             if ($tonum && $tolist) {
 2524:                 $r->print(&Apache::lonhtmlcommon::row_title(&mt('To'))
 2525:                          .$tolist
 2526:                          .&Apache::lonhtmlcommon::row_closure()
 2527:                     );
 2528:             }
 2529:             if ($cclist) { 
 2530:                 $r->print(&Apache::lonhtmlcommon::row_title(&mt('Cc'))
 2531:                          .$cclist
 2532:                          .&Apache::lonhtmlcommon::row_closure()
 2533:                     );
 2534:             }
 2535:             if ($content{'group'} ne '') {
 2536:                 if (&check_group_priv($content{'group'})) {
 2537:                     $groupcclist = join(', ',@{$recipients{'group_cc_broadcast'}});
 2538:                     if ($groupcclist) {
 2539:                         $r->print(&Apache::lonhtmlcommon::row_title(&mt('Group Cc'))
 2540:                                  .$groupcclist
 2541:                                  .&Apache::lonhtmlcommon::row_closure()
 2542:                         );
 2543:                     }
 2544:                 }
 2545:             }
 2546:         }
 2547:     }
 2548: 
 2549:     # Course
 2550:     if ($content{'courseid'}) {
 2551:         $r->print(&Apache::lonhtmlcommon::row_title(&mt($crstype))
 2552:                  .$courseinfo{'description'}
 2553:         );
 2554:         if ($content{'coursesec'}) {
 2555:             $r->print(' ('.&mt('Section').': '.$content{'coursesec'}.')');
 2556:         }
 2557:         $r->print(&Apache::lonhtmlcommon::row_closure());
 2558:     }
 2559:     $r->print(&Apache::lonhtmlcommon::row_title(&mt('Time'))
 2560:              .$content{'time'}
 2561:              .&Apache::lonhtmlcommon::row_closure()
 2562:     );
 2563: 
 2564:     # Refers to
 2565:     if ($baseurl) {
 2566:         if (defined($content{'courseid'}) && defined($env{'request.course.id'})) {
 2567:             if ($content{'courseid'} eq $env{'request.course.id'}) {
 2568:                 my $symblink;
 2569:                 my $showsymb = &Apache::lonenc::check_decrypt($symb);
 2570:                 my $showurl = &Apache::lonenc::check_decrypt($baseurl);
 2571:                 my $encrypturl = &Apache::lonnet::EXT('resource.0.encrypturl',
 2572:                               $showsymb,$env{'user.domain'},$env{'user.name'});
 2573:                 if ($symb) {
 2574:                     if ($encrypturl =~ /^yes$/i && !$env{'request.role.adv'}) {
 2575:                         $showsymb = &Apache::lonenc::check_encrypt($symb);
 2576:                     }
 2577:                     $symblink = '?symb='.$showsymb;
 2578:                 }
 2579:                 if ($encrypturl =~ /^yes$/i && !$env{'request.role.adv'}) {
 2580:                     $showurl = $baseurl;
 2581:                 }
 2582:                 $r->print(&Apache::lonhtmlcommon::row_title(&mt('Refers to'))
 2583:                          .'<a href="'.$showurl.$symblink.'">'.$restitle.'</a>'
 2584:                          .&Apache::lonhtmlcommon::row_closure()
 2585:                 );
 2586:                 $refers_to = 1;
 2587:             }
 2588:         }
 2589:         if (!$refers_to) {
 2590:             if ($baseurl =~ m-^/enc/-) {
 2591:                 if (defined($content{'courseid'})) {
 2592:                     if (!$env{'request.course.id'}) {
 2593:                         my $unencurl =
 2594:                            &Apache::lonenc::unencrypted($baseurl,
 2595:                                                         $content{'courseid'});
 2596:                         if ($unencurl ne '') {
 2597:                             if (&Apache::lonnet::allowed('bre',$unencurl)) {
 2598:                                 $r->print(&Apache::lonhtmlcommon::row_title(&mt('Refers to'))
 2599:                                          .'<a href="'.$unencurl.'">'.$restitle.'</a>'
 2600:                                          .&Apache::lonhtmlcommon::row_closure()
 2601:                                 );
 2602:                             }
 2603:                         }
 2604:                     }
 2605:                 }
 2606:             } else {
 2607:                 if (&Apache::lonnet::allowed('bre',$baseurl)) {
 2608:                     $r->print(&Apache::lonhtmlcommon::row_title(&mt('Refers to'))
 2609:                              .'<a href="'.$baseurl.'">'.$restitle.'</a>'
 2610:                              .&Apache::lonhtmlcommon::row_closure()
 2611:                     );
 2612: 
 2613:                 }
 2614:             }
 2615:         }
 2616:     }
 2617: 
 2618:     # Message
 2619:     $r->print(&Apache::lonhtmlcommon::row_title(&mt('Message'))
 2620:              .'<pre>'
 2621: 	     .&Apache::lontexconvert::msgtexconverted($content{'message'},1)
 2622: 	     .'</pre>'
 2623:     );
 2624:     if (&displayresource(%content)) {
 2625:         $r->print(&Apache::lonhtmlcommon::row_closure()
 2626:                  .&Apache::lonhtmlcommon::row_title(&mt('Resource Details'))
 2627:                  .&displayresource(%content)
 2628:         );
 2629:     } 
 2630:     $r->print(&Apache::lonhtmlcommon::row_closure(1).
 2631:               &Apache::lonhtmlcommon::end_pick_box());
 2632:     # Display LON-CAPA Message (End)
 2633:     return;
 2634: }
 2635: 
 2636: sub retrieve_recips {
 2637:     my ($context,$content,$recips)= @_;
 2638:     my $tonum = 0;
 2639:     if (ref($content) eq 'HASH') {
 2640:         my %reciphash =
 2641:             &Apache::lonnet::get('nohist_emailrecip',[$content->{'recipid'}],
 2642:                                  $content->{'senderdomain'},$content->{'sendername'});
 2643:         my $recipinfo = $reciphash{$content->{'recipid'}};
 2644:         if (ref($recipinfo) eq 'HASH') {
 2645:             foreach my $type ('to','cc','course_broadcast','group_cc_broadcast','group_bcc_broadcast') {
 2646:                 if (ref($recipinfo->{$type}) eq 'HASH') {
 2647:                     if ($type eq 'to') {
 2648:                         $tonum = keys(%{$recipinfo->{$type}});
 2649:                     }
 2650:                     foreach my $user (sort(keys(%{$recipinfo->{$type}}))) {
 2651:                         my ($uname,$udom) = split(/:/,$user);
 2652:                         next if (($context eq 'replying') && ($uname eq $env{'user.name'})
 2653:                                  && ($udom eq $env{'user.domain'}));
 2654:                         my $showuser ='<span class="LC_nobreak">';
 2655:                         if ($context eq 'replying') {
 2656:                             if (($type eq 'to') || ($type eq 'cc')) { 
 2657:                                 $showuser = '<label><input type="checkbox" name="replying_'.$type.'" value="'.$user.'" />';
 2658:                             } elsif ($type eq 'group_cc_broadcast') {
 2659:                                 $showuser = '<label><input type="checkbox" name="replying_groupcc" value="'.$user.'" />';
 2660:                             }
 2661:                         }
 2662:                         $showuser .= &Apache::loncommon::aboutmewrapper(
 2663:                                            &Apache::loncommon::plainname($uname,
 2664:                                            $udom),$uname,$udom);
 2665: 		        if ($context eq 'replying') {
 2666: 		            $showuser .='</label>';
 2667: 		        }
 2668: 		        $showuser .= '</span>';
 2669:                         if (ref($recips) eq 'HASH') {
 2670: 		            push(@{$recips->{$type}},$showuser);
 2671:                         }
 2672:                     }
 2673:                 }
 2674:             }
 2675:         }
 2676:     }
 2677:     return $tonum;
 2678: }
 2679: 
 2680: sub recipients_link {
 2681:     my ($r,$content,$recipients) = @_;
 2682:     my ($broadcast_link,$show);
 2683:     if ((ref($content) eq 'HASH') && (ref($recipients) eq 'HASH')) {
 2684:         if (ref($recipients->{'course_broadcast'}) eq 'ARRAY') {
 2685:             if (@{$recipients->{'course_broadcast'}} > 0) {
 2686:                 $show = 'course';
 2687:             }
 2688:         } elsif (ref($recipients->{'group_cc_broadcast'}) eq 'ARRAY') {
 2689:             if (@{$recipients->{'group_cc_broadcast'}} > 0) {
 2690:                 $show = 'group_cc';
 2691:             }
 2692:         } elsif (ref($recipients->{'group_bcc_broadcast'}) eq 'ARRAY') {
 2693:             if (@{$recipients->{'group_bcc_broadcast'}} > 0) {
 2694:                 $show = 'group_bcc';
 2695:             }
 2696:         }
 2697:         if ($show) {
 2698:             my ($nothing,$height,$width,$start_page,$end_page,$body);
 2699:             $nothing=&Apache::lonhtmlcommon::javascript_nothing();
 2700:             $height = 400;
 2701:             $width = 600;
 2702:             $start_page =
 2703:                 &Apache::loncommon::start_page('Broadcast List', undef,
 2704:                                                {only_body => 1,
 2705:                                                 js_ready  => 1,});
 2706:             $end_page = &Apache::loncommon::end_page({js_ready => 1,});
 2707:             $body = '<h3>'.&mt("Recipients of broadcast message").'</h3>'.
 2708:                     &Apache::loncommon::start_data_table();
 2709:             my $cell = 0;
 2710:             $body .= &Apache::loncommon::start_data_table_row();
 2711:             foreach my $item (@{$recipients->{$show.'_broadcast'}}) {
 2712:                 $item =~ s/'/\\'/g;
 2713:                 if (!($cell%2) && $cell > 0) {
 2714:                     $body .= &Apache::loncommon::end_data_table_row().
 2715:                              &Apache::loncommon::start_data_table_row();
 2716:                 }
 2717:                 $cell ++;
 2718:                 $body .= '<td>'.$cell.'&nbsp;'.$item.'&nbsp;&nbsp;</td>';
 2719:             }
 2720:             if ($cell%2) {
 2721:                 $body .= '<td>&nbsp;</td>';
 2722:             }
 2723:             $body .= &Apache::loncommon::end_data_table_row().
 2724:                      &Apache::loncommon::end_data_table();
 2725:             $body =~ s{</}{<\\/}g;
 2726:             $body =~ s{\n}{}g;
 2727:             $r->print(<<ENDJS);
 2728: <script type="text/javascript">
 2729: function showBroadcastList() {
 2730:     var caller = this;
 2731:     var newWindow = null;
 2732:     try {
 2733:         newWindow =  window.open($nothing,"broadcast","HEIGHT=$height,WIDTH=$width,resizable=yes,scrollbars=yes" );
 2734:     }
 2735:     catch(error) {
 2736:         writeWin(caller);
 2737:         return;
 2738:     }
 2739:     if (newWindow) {
 2740:         caller = newWindow;
 2741:     }
 2742:     writeWin(caller);
 2743:     return;
 2744: }
 2745: 
 2746: function writeWin(caller) {
 2747:     caller.document.writeln('$start_page $body $end_page');
 2748:     caller.document.close();
 2749:     caller.focus();
 2750: }
 2751: 
 2752: </script>
 2753: 
 2754: ENDJS
 2755:             $broadcast_link = 1;
 2756:         }
 2757:     }
 2758:     return $broadcast_link;
 2759: }
 2760: 
 2761: # =========================================================== Show the citation
 2762: 
 2763: sub displayresource {
 2764:     my %content=@_;
 2765: #
 2766: # If the recipient is in the same course that the message was sent from and
 2767: # has sufficient privileges, show "all details," else show citation
 2768: #
 2769:     if (($env{'request.course.id'} eq $content{'courseid'})
 2770:      && (&Apache::lonnet::allowed('vgr',$content{'courseid'}))) {
 2771:         my $symb;
 2772:         if (defined($content{'symb'})) {
 2773:             $symb = $content{'symb'};
 2774:         } else { 
 2775: 	    $symb=&Apache::lonnet::symbread($content{'baseurl'});
 2776:         }
 2777: # Could not get a symb, give up
 2778: 	unless ($symb) { return $content{'citation'}; }
 2779: # Have a symb, can render
 2780: 	return '<h2>'.&mt('Current attempts of student (if applicable)').'</h2>'.
 2781: 	    &Apache::loncommon::get_previous_attempt($symb,
 2782: 						     $content{'sendername'},
 2783: 						     $content{'senderdomain'},
 2784: 						     $content{'courseid'}).
 2785: 	    '<hr /><h2>'.&mt('Current screen output (if applicable)').'</h2>'.
 2786: 	    &Apache::loncommon::get_student_view($symb,
 2787: 						 $content{'sendername'},
 2788: 						 $content{'senderdomain'},
 2789: 						 $content{'courseid'}).
 2790: 	    '<h2>'.&mt('Correct Answer(s) (if applicable)').'</h2>'.
 2791: 	    &Apache::loncommon::get_student_answers($symb,
 2792: 						    $content{'sendername'},
 2793: 						    $content{'senderdomain'},
 2794: 						    $content{'courseid'});
 2795:     } elsif ($env{'user.adv'}) {
 2796: 	return $content{'citation'};
 2797:     }
 2798:     return '';
 2799: }
 2800: 
 2801: # ================================================================== The Header
 2802: 
 2803: sub header {
 2804:     my ($r,$title,$baseurl)=@_;
 2805:     
 2806:     my $extra = &Apache::loncommon::studentbrowser_javascript();
 2807:     if ($baseurl) {
 2808: 	$extra .= "<base href=\"".&Apache::lonnet::absolute_url()."/$baseurl\" />";
 2809:     }
 2810:     $r->print(&Apache::loncommon::start_page('Communication and Messages',
 2811:  					$extra));
 2812:     $r->print(&Apache::lonhtmlcommon::breadcrumbs
 2813:      		(($title?$title:'Communication and Messages')));
 2814: }
 2815: 
 2816: # ---------------------------------------------------------------- Print header
 2817: 
 2818: sub printheader {
 2819:     my ($r,$url,$desc,$title,$baseurl)=@_;
 2820:     &Apache::lonhtmlcommon::add_breadcrumb
 2821: 	({href=>$url,
 2822: 	  text=>$desc});
 2823:     &header($r,$title,$baseurl);
 2824: }
 2825: 
 2826: # ------------------------------------------------------------ Store the comment
 2827: 
 2828: sub storecomment {
 2829:     my ($r)=@_;
 2830:     my $msgtxt=&Apache::lonfeedback::clear_out_html($env{'form.message'});
 2831:     my $cleanmsgtxt='';
 2832:     foreach my $line (split(/[\n\r]/,$msgtxt)) {
 2833: 	unless ($line=~/^\s*(\>|\&gt\;)/) {
 2834: 	    $cleanmsgtxt.=$line."\n";
 2835: 	}
 2836:     }
 2837:     my $key=&escape($env{'form.baseurl'}).'___'.time;
 2838:     &Apache::lonnet::put('nohist_stored_comments',{ $key => $cleanmsgtxt });
 2839: }
 2840: 
 2841: sub storedcommentlisting {
 2842:     my ($r)=@_;
 2843:     my %msgs=&Apache::lonnet::dump('nohist_stored_comments',undef,undef,
 2844:        '^'.&escape(&escape($env{'form.showcommentbaseurl'})));
 2845:     $r->print(&Apache::loncommon::start_page('Saved Comment Listing',undef,
 2846: 					     {'onlybody' => 1}));
 2847:     if ((keys %msgs)[0]=~/^error\:/) {
 2848: 	$r->print(&mt('No saved comments yet.'));
 2849:     } else {
 2850: 	my $found=0;
 2851: 	foreach my $key (sort(keys(%msgs))) {
 2852: 	    $r->print("\n".$msgs{$key}."<hr />");
 2853: 	    $found=1;
 2854: 	}
 2855: 	unless ($found) {
 2856: 	    $r->print(&mt('No saved comments yet for this resource.'));
 2857: 	}
 2858:     }
 2859: }
 2860: 
 2861: # ---------------------------------------------------------------- Send an email
 2862: 
 2863: sub sendoffmail {
 2864:     my ($r,$folder)=@_;
 2865:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
 2866:     my $sendstatus='';
 2867:     my %msg_status;
 2868:     my $numsent = 0;
 2869:     my $nosentstore = 1;
 2870:     my $attachmenturl;
 2871:     my $now = time;
 2872:     my ($cdom,$cnum,$group);
 2873:     if (exists($env{'form.group'})) {
 2874:         $group = $env{'form.group'};
 2875:     }
 2876:     if (exists($env{'request.course.id'})) {
 2877:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 2878:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2879:     }
 2880:     if ($env{'form.send'}) {
 2881:         if (!$env{'form.multiforward'}) { 
 2882:             if ($group eq '') {
 2883: 	        &printheader($r,'','Messages being sent.');
 2884:             } else {
 2885:                 $r->print(&groupmail_header('sending',$group));
 2886:             }
 2887:         }
 2888: 	$r->rflush();
 2889: 	my %content=();
 2890: 	undef %content;
 2891: 	if ($env{'form.forwid'}) {
 2892: 	    my $msgid=$env{'form.forwid'};
 2893: 	    my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
 2894: 	    %content=&Apache::lonmsg::unpackagemsg($message{$msgid},1,1);
 2895: 	    &statuschange($msgid,'forwarded',$folder);
 2896:             if ($content{'attachmenturl'} ne '') {
 2897:                 $attachmenturl = $content{'attachmenturl'};
 2898:             }
 2899: 	    $env{'form.message'} .= "\n\n-- Forwarded message --\n\n".
 2900: 		                    $content{'message'};
 2901: 	}
 2902: 	if ($env{'form.replyid'}) {
 2903: 	    my $msgid=$env{'form.replyid'};
 2904: 	    my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
 2905: 	    %content=&Apache::lonmsg::unpackagemsg($message{$msgid},1);
 2906: 	    &statuschange($msgid,'replied',$folder);
 2907: 	}
 2908: 
 2909: 	my $mode = $env{'form.sendmode'};
 2910: 	my (%toaddr,$tos,$cc,$bcc,$broadcast);
 2911: 
 2912: 	if ($mode eq 'group') {
 2913:             if (defined($env{'form.courserecips'})) {
 2914:                 my $courseusers = $env{'form.courserecips'};
 2915:                 $courseusers =~ s/^_\&\&\&_//;
 2916:                 my @to = split('_&&&_',$courseusers);
 2917:                 foreach my $dest (@to) {
 2918:                     my ($user,$domain) = split(/:/, $dest);
 2919:                     if (($user ne '') && ($domain ne '')) {
 2920:                         my $rec = $user.":".$domain;
 2921:                         $toaddr{$rec} = '';
 2922:                         $broadcast->{$rec} = '';
 2923:                     }
 2924:                 }
 2925:             }
 2926: 	} elsif ($mode eq 'upload') {
 2927:             $nosentstore = 0;
 2928: 	    foreach my $line (split(/[\n\r\f]+/,$env{'form.upfile'})) {
 2929:                 my ($rec,$txt) = ($line =~ /^([^:]+:[^:]+):(.*)$/);
 2930: 		if ($txt) {
 2931:                     $rec =~ s/^\s+//;
 2932:                     $rec =~ s/\s+$//;
 2933: 		    $toaddr{$rec}.=$txt."\n";
 2934:                     $broadcast->{$rec} = '';
 2935: 		}
 2936: 	    }
 2937: 	} else {
 2938: 	    if (($env{'form.recuname'} ne '') && ($env{'form.recdomain'} ne '')) {
 2939: 		$toaddr{$env{'form.recuname'}.':'.$env{'form.recdomain'}}='';
 2940:                 $tos->{$env{'form.recuname'}.':'.$env{'form.recdomain'}}='';
 2941: 	    }
 2942: 	}
 2943:         if ($env{'form.additionalrec_to'}) {
 2944:             foreach my $rec (split(/\s*,\s*/,$env{'form.additionalrec_to'})) {
 2945:                 my ($auname,$audom)=split(/:/,$rec);
 2946:                 if (($auname ne "") && ($audom ne "")) {
 2947:                     $toaddr{$auname.':'.$audom}='';
 2948:                     $tos->{$auname.':'.$audom}='';
 2949:                 }
 2950:             }
 2951:         }
 2952:         if ($env{'form.replying_to'}) {
 2953:             my @toreplies =
 2954:                 &Apache::loncommon::get_env_multiple('form.replying_to');
 2955:             foreach my $rec (@toreplies) {
 2956:                 my ($auname,$audom)=split(/:/,$rec);
 2957:                 if (($auname ne "") && ($audom ne "")) {
 2958:                     $toaddr{$auname.':'.$audom}='';
 2959:                     $tos->{$auname.':'.$audom}='';
 2960:                 }
 2961:             }
 2962:         }
 2963: 	if ($env{'form.additionalrec_cc'}) {
 2964: 	    foreach my $rec (split(/\s*,\s*/,$env{'form.additionalrec_cc'})) {
 2965: 		my ($auname,$audom)=split(/:/,$rec);
 2966: 		if (($auname ne "") && ($audom ne "")) {
 2967:                     $toaddr{$auname.':'.$audom}='';
 2968:                     if (!defined($tos->{$auname.':'.$audom})) {
 2969: 		        $cc->{$auname.':'.$audom}='';
 2970:                     }
 2971: 		}
 2972: 	    }
 2973: 	}
 2974:         if ($env{'form.replying_cc'}) {
 2975:             my @ccreplies =
 2976:                 &Apache::loncommon::get_env_multiple('form.replying_cc');
 2977:             foreach my $rec (@ccreplies) {
 2978:                 my ($auname,$audom)=split(/:/,$rec);
 2979:                 if (($auname ne "") && ($audom ne "")) {
 2980:                     $toaddr{$auname.':'.$audom}='';
 2981:                     if (!defined($tos->{$auname.':'.$audom})) {
 2982:                         $cc->{$auname.':'.$audom}='';
 2983:                     }
 2984:                 }
 2985:             }
 2986:         }
 2987:         if ($env{'form.replying_groupcc'}) {
 2988:             my @groupreplies =
 2989:                 &Apache::loncommon::get_env_multiple('form.replying_groupcc');
 2990:             foreach my $rec (@groupreplies) {
 2991:                 my ($auname,$audom)=split(/:/,$rec);
 2992:                 if (($auname ne "") && ($audom ne "")) {
 2993:                     $toaddr{$auname.':'.$audom}='';
 2994:                     if (!defined($tos->{$auname.':'.$audom})) {
 2995:                         $broadcast->{$auname.':'.$audom}='';
 2996:                     }
 2997:                 }
 2998:             }
 2999:         }
 3000:         if ($env{'form.additionalrec_bcc'}) {
 3001:             foreach my $rec (split(/\s*,\s*/,$env{'form.additionalrec_bcc'})) {
 3002:                 my ($auname,$audom)=split(/:/,$rec);
 3003:                 if (($auname ne "") && ($audom ne "")) {
 3004:                     $toaddr{$auname.':'.$audom}='';
 3005:                     if ((!defined($tos->{$auname.':'.$audom})) && 
 3006:                         (!defined($cc->{$auname.':'.$audom}))) {
 3007:                         $bcc->{$auname.':'.$audom}='';
 3008:                     }
 3009:                 }
 3010:             }
 3011:         }
 3012:         my $savemsg;
 3013:         my $msgtype;
 3014:         my %sentmessage;
 3015:         my $msgsubj=&Apache::lonfeedback::clear_out_html($env{'form.subject'},
 3016: 							 undef,1);
 3017:         if ((($env{'form.critmsg'}) || ($env{'form.sendbck'})) &&
 3018:             (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 3019: 	     || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
 3020: 					 '/'.$env{'request.course.sec'})
 3021: 	     )) {
 3022:             $savemsg=&Apache::lonfeedback::clear_out_html($env{'form.message'},1);
 3023:             $msgtype = 'critical';
 3024:         } else {
 3025:             $savemsg=&Apache::lonfeedback::clear_out_html($env{'form.message'});
 3026:         }
 3027:         my %reciphash = (
 3028:                            to => $tos,
 3029:                            cc => $cc,
 3030:                            bcc => $bcc,
 3031:                         );
 3032:         if ($mode eq 'group') {
 3033:             if ($group eq '') {
 3034:                 $reciphash{'course_broadcast'} = $broadcast;
 3035:             } else {
 3036:                 if ($env{'form.groupmail'} eq 'cc') {
 3037:                     $reciphash{'group_cc_broadcast'} = $broadcast;
 3038:                 } else {
 3039:                     $reciphash{'group_bcc_broadcast'} = $broadcast;
 3040:                 }
 3041:             }
 3042:         }
 3043:         my ($recipid,$recipstatus) = 
 3044:             &Apache::lonmsg::store_recipients($msgsubj,$env{'user.name'},
 3045:                                        $env{'user.domain'},\%reciphash);
 3046:         if ($recipstatus ne 'ok') {
 3047:             &Apache::lonnet::logthis('Failed to store To, Bcc and Cc recipients for '.$env{'user.name'}.':'.$env{'user.domain'});
 3048:         }
 3049:         if ($env{'form.attachment'}) {
 3050:             if (length($env{'form.attachment'})<131072) {
 3051:                 $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback/'.$now);
 3052:             } else {
 3053:                 $r->print('<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>');
 3054:             }
 3055:         } elsif ($env{'form.multiforward'}) {
 3056:             if ($env{'form.attachmenturl'} ne '') {
 3057:                 $attachmenturl = $env{'form.attachmenturl'};
 3058:             }
 3059:         }
 3060:         my @recusers;
 3061:         my @recudoms;
 3062: 	foreach my $address (sort(keys(%toaddr))) {
 3063: 	    my ($recuname,$recdomain)=split(/\:/,$address);
 3064:             my $msgtxt = $savemsg;
 3065:             if ($toaddr{$address}) {
 3066: 	        $msgtxt.='<hr />'.$toaddr{$address};
 3067:             }
 3068: 	    my @thismsg;
 3069: 	    if ($msgtype eq 'critical') {
 3070: 		$r->print(&mt('Sending critical message').' '.
 3071:                               $recuname.':'.$recdomain.': ');
 3072: 		@thismsg=
 3073: 		    &Apache::lonmsg::user_crit_msg($recuname,$recdomain,
 3074: 						   $msgsubj,$msgtxt,
 3075: 						   $env{'form.sendbck'},
 3076: 						   $env{'form.permanent'},
 3077: 						   \$sentmessage{$address},
 3078:                                                    $nosentstore,$recipid);
 3079: 	    } else {
 3080: 		$r->print(&mt('Sending').' '.$recuname.':'.$recdomain.': ');
 3081: 		@thismsg=
 3082: 		    &Apache::lonmsg::user_normal_msg($recuname,$recdomain,
 3083: 						     $msgsubj,$msgtxt,
 3084: 						     $content{'citation'},
 3085: 						     undef,$attachmenturl,
 3086: 						     $env{'form.permanent'},
 3087: 						     \$sentmessage{$address},
 3088:                                                      undef,undef,undef,
 3089:                                                      $nosentstore,$recipid);
 3090:             }
 3091: 	    $msg_status{$recuname.':'.$recdomain}=join(' ',@thismsg);
 3092: 	    if ($msg_status{$recuname.':'.$recdomain} =~ /(ok|con_delayed)/) {  
 3093: 	        $numsent++;
 3094:                 push(@recusers,$recuname);
 3095:                 push(@recudoms,$recdomain);
 3096: 	    }
 3097: 	    $sendstatus.=' '.join(' ',@thismsg);
 3098: 	}
 3099:         my $subj_prefix;
 3100:         if ($numsent > 0) {
 3101:             if (($env{'request.course.id'}) && 
 3102:                 (($mode eq 'group') ||
 3103:                  ($env{'form.courserecord'}) ||
 3104:                  ($msgtype eq 'critical')) ||
 3105:                 ($env{'form.replyid'} && 
 3106:                  (($content{'courseid'} ne '') && 
 3107:                   ($mode eq 'group')))) {
 3108:                 if ($msgtype eq 'critical') {
 3109:                     $subj_prefix = 'Critical.';
 3110:                 } elsif ($mode eq 'group') {
 3111:                     $subj_prefix = 'Broadcast.';
 3112:                 } else {
 3113:                     $subj_prefix = 'Archive';
 3114:                 }
 3115:                 my ($specialmsgid,$specialresult);
 3116:                 my $course_str;
 3117:                 if ($env{'form.replyid'}) {
 3118:                     if ($content{'courseid'} ne '') {
 3119:                         my %crsdesc = 
 3120:                             &Apache::lonnet::coursedescription($content{'courseid'},
 3121:                                                                {'one_time' => 1});
 3122:                         $course_str = &escape('['.$crsdesc{'num'}.':'.$crsdesc{'domain'}.']');
 3123:                     }
 3124:                 } elsif ($env{'request.course.id'}) {
 3125:                     $course_str = &escape('['.$cnum.':'.$cdom.']');
 3126:                 }
 3127:                 $specialresult = 
 3128:                     &Apache::lonmsg::user_normal_msg_raw($cnum,$cdom,
 3129:                         $subj_prefix.' '.$course_str,$savemsg,undef,undef,
 3130:                         $attachmenturl,undef,undef,\$specialmsgid,undef,undef,undef,
 3131:                         undef,undef,1);
 3132:                 $specialmsgid = &unescape($specialmsgid);
 3133:                 if ($specialresult eq 'ok') {
 3134:                     my ($stamp,$crssubj,$msgname,$msgdom,$msgcount,$context,$pid) =
 3135: 		        split(/\:/,&unescape($specialmsgid));
 3136: 
 3137:                     foreach my $recipient (sort(keys(%toaddr))) {
 3138:                         if ($msg_status{$recipient} =~ /\s*(ok|con_delayed)\s*/) {
 3139:                             my $usersubj = $subj_prefix.'['.$recipient.']';
 3140:                             my $usermsgid = 
 3141: 			        &Apache::lonmsg::buildmsgid($stamp,$usersubj,
 3142: 							    $msgname,$msgdom,
 3143: 							    $msgcount,$context,
 3144: 							    $pid);
 3145:                             &Apache::lonmsg::user_normal_msg_raw($cnum,$cdom,
 3146:                                 $subj_prefix.' ['.$recipient.']',$msgsubj,
 3147:                                 undef,undef,$attachmenturl,undef,$usermsgid,undef,
 3148:                                 undef,$specialmsgid,undef,undef,undef,1);
 3149:                         }
 3150:                     }
 3151:                     if (($mode ne 'upload') && (@recusers > 0)) {
 3152:                         &Apache::lonmsg::process_sent_mail($msgsubj,
 3153:                            $subj_prefix,$numsent,$stamp,$msgname,$msgdom,
 3154:                            $msgcount,$context,$pid,$savemsg,\@recusers,
 3155:                            \@recudoms,undef,$attachmenturl,'','','','',$recipid);
 3156:                     }
 3157:                 } else {
 3158:                     &Apache::lonnet::logthis('Failed to create record of critical, broadcast or archived message in '.$env{'course.'.$env{'request.course.id'}.'.num'}.' '&mt('at').' '.$env{'course.'.$env{'request.course.id'}.'.domain'}.' - no msgid generated');
 3159:                 }
 3160:             } else {
 3161:                 my $stamp = time;
 3162:                 my $msgcount = &Apache::lonmsg::get_uniq();
 3163:                 my $context = &Apache::lonmsg::get_course_context();
 3164:                 &Apache::lonmsg::process_sent_mail($msgsubj,$subj_prefix,
 3165:                        $numsent,$stamp,$env{'user.name'},
 3166:                        $env{'user.domain'},$msgcount,$context,
 3167:                        $$,$savemsg,\@recusers,\@recudoms,undef,$attachmenturl,
 3168:                        '','','','',$recipid);
 3169:             }
 3170:         }
 3171:         if (!$env{'form.multiforward'}) { 
 3172:             if ($sendstatus=~/^(\s*(?:ok|con_delayed)\s*)*$/) {
 3173: 	        $r->print('<br /><span class="LC_success">'.&mt('Completed.').
 3174:                           '</span>');
 3175: 	        if ($env{'form.displayedcrit'}) {
 3176: 	            &discrit($r);
 3177:                 }
 3178:                 if ($group ne '') {
 3179:                     $r->print(&groupmail_sent($group,$cdom,$cnum)); 
 3180: 	        } else {
 3181: 	            &Apache::loncommunicate::menu($r);
 3182: 	        }
 3183:             } else {
 3184: 	        $r->print('<p><span class="LC_error">'.&mt('Could not deliver message').'</span> '.
 3185: 		          &mt('Please use the browser "Back" button and correct the recipient addresses ([_1]).',$sendstatus).'</p>');
 3186:             }
 3187:         }
 3188:     }
 3189:     return $sendstatus;
 3190: }
 3191: 
 3192: # ===================================================================== Handler
 3193: 
 3194: sub handler {
 3195:     my $r=shift;
 3196: 
 3197: # ----------------------------------------------------------- Set document type
 3198:     
 3199:     &Apache::loncommon::content_type($r,'text/html');
 3200:     $r->send_http_header;
 3201:     
 3202:     return OK if $r->header_only;
 3203:     
 3204: # --------------------------- Get query string for limited number of parameters
 3205:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 3206:         ['display','replyto','forward','markread','markdel','markunread',
 3207:          'sendreply','compose','sendmail','critical','recname','recdom',
 3208:          'recordftf','sortedby','block','folder','startdis','interdis',
 3209: 	 'showcommentbaseurl','dismode','group','subject','text','ref',
 3210:          'msgstatus']);
 3211:     $sqs='&sortedby='.$env{'form.sortedby'};
 3212: 
 3213: # ------------------------------------------------------ They checked for email
 3214:     unless ($env{'form.block'}) {
 3215:         &Apache::lonnet::put('email_status',{'recnewemail'=>0});
 3216:     }
 3217: 
 3218: # ----------------------------------------------------------------- Breadcrumbs
 3219: 
 3220:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 3221:     &Apache::lonhtmlcommon::add_breadcrumb
 3222:         ({href=>"/adm/communicate",
 3223:           text=>"Communication/Messages",
 3224:           faq=>12,bug=>'Communication Tools',});
 3225: 
 3226: # ------------------------------------------------------------------ Get Folder
 3227: 
 3228:     my $folder=$env{'form.folder'};
 3229:     unless ($folder) { 
 3230: 	$folder=''; 
 3231:     } else {
 3232: 	$sqs.='&folder='.&escape($folder);
 3233:     }
 3234: # ------------------------------------------------------------ Get Display Mode
 3235: 
 3236:     my $dismode=$env{'form.dismode'};
 3237:     unless ($dismode) { 
 3238: 	$dismode=''; 
 3239:     } else {
 3240: 	$sqs.='&amp;dismode='.&escape($dismode);
 3241:     }
 3242: 
 3243: # --------------------------------------------------------------------- Display
 3244:     my $msgstatus = $env{'form.msgstatus'};
 3245:     $startdis=$env{'form.startdis'};
 3246:     if ($startdis ne '') {
 3247:         $startdis--;
 3248:     }
 3249:     unless ($startdis) { $startdis=0; }
 3250: 
 3251:     if ($env{'form.firstview'}) {
 3252: 	$startdis=0;
 3253:     }
 3254:     if ($env{'form.lastview'}) {
 3255: 	$startdis=-1;
 3256:     }
 3257:     if ($env{'form.prevview'}) {
 3258: 	$startdis--;
 3259:     }
 3260:     if ($env{'form.nextview'}) {
 3261: 	$startdis++;
 3262:     }
 3263:     my $postedstartdis=$startdis+1;
 3264:     $sqs.='&startdis='.$postedstartdis;
 3265: 
 3266: # --------------------------------------------------------------- Render Output
 3267: 
 3268:     if ($env{'form.display'}) {
 3269: 	&displaymessage($r,$env{'form.display'},$folder,$msgstatus);
 3270:     } elsif ($env{'form.replyto'}) {
 3271: 	&compout($r,'',$env{'form.replyto'},undef,undef,$folder,$dismode);
 3272:     } elsif ($env{'form.confirm'}) {
 3273: 	&printheader($r,'','Confirmed Receipt');
 3274: 	my $replying = 0;
 3275: 	foreach my $envkey (keys(%env)) {
 3276: 	    if ($envkey=~/^form\.(rep)?rec\_(.*)$/) {
 3277:                 my $repchk = $1;
 3278:        		my $msgid = $2;
 3279: 		$r->print('<b>'.&mt('Confirming Receipt').':</b> ');
 3280: 		my $result = &Apache::lonmsg::user_crit_received($msgid);
 3281:                 if ($result =~ /trans:\s+ok/) {
 3282:                     &statuschange($msgid,'read');
 3283:                 }
 3284:                 $r->print($result.'<br />');
 3285:                 if ($repchk eq 'rep') {
 3286: 		    &compout($r,'','','',$msgid);
 3287: 		    $replying = 1;
 3288:                 }
 3289: 	    }
 3290: 	}
 3291: 	if (!$replying) {
 3292: 	    &discrit($r);
 3293: 	}
 3294:     } elsif ($env{'form.critical'}) {
 3295: 	&printheader($r,'','Displaying Critical Messages');
 3296: 	&discrit($r);
 3297:     } elsif ($env{'form.forward'}) {
 3298: 	&compout($r,$env{'form.forward'},undef,undef,undef,$folder);
 3299:     } elsif ($env{'form.markdel'}) {
 3300: 	&printheader($r,'','Deleted Message');
 3301: 	my ($result,$msg) = 
 3302: 	    &statuschange($env{'form.markdel'},'deleted',$folder);
 3303: 	if (!$result) {
 3304: 	    $r->print('<p class="LC_error">'.
 3305: 		      &mt('Failed to delete the message.').'</p>'.
 3306: 		      '<p class="LC_error">'.$msg."</p>\n");
 3307: 	}
 3308: 	&Apache::loncommunicate::menu($r);
 3309: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
 3310:     } elsif ($env{'form.markedaction'} eq 'markedforward') {
 3311:         my $total = 0;
 3312:         my @to_forward = &Apache::loncommon::get_env_multiple('form.delmark');
 3313:         foreach my $msgid (@to_forward) {
 3314:             &statuschange(&unescape($msgid),'forwarded',$folder);
 3315:             $total ++;
 3316:         }
 3317:         if ($total > 0) {
 3318:             &compout($r,undef,undef,undef,undef,$folder,$dismode,$total);
 3319:         }
 3320:     } elsif ($env{'form.markedaction'} eq 'markedread') {
 3321:         my $total = 0;
 3322:         my @to_markread = &Apache::loncommon::get_env_multiple('form.delmark');
 3323:         foreach my $msgid (@to_markread) {
 3324:             &statuschange(&unescape($msgid),'read',$folder);
 3325:             $total ++;
 3326:         }
 3327:         &printheader($r,'','Marked Messages Read');
 3328:         $r->print(&mt('Marked [_1] message(s) read',$total).'<p>');
 3329:         &Apache::loncommunicate::menu($r);
 3330:         &disall($r,($folder?$folder:$dismode),$msgstatus);
 3331:     } elsif ($env{'form.markedaction'} eq 'markedunread') {
 3332:         my $total = 0;
 3333:         my @to_markunread = &Apache::loncommon::get_env_multiple('form.delmark');
 3334:         foreach my $msgid (@to_markunread) {
 3335:             &statuschange(&unescape($msgid),'new',$folder);
 3336:             $total ++;
 3337:         }
 3338:         &printheader($r,'','Marked Messages Unread');
 3339:         $r->print(&mt('Marked [_1] message(s) unread',$total).'<p>');
 3340:         &Apache::loncommunicate::menu($r);
 3341:         &disall($r,($folder?$folder:$dismode),$msgstatus);
 3342:     } elsif ($env{'form.markedaction'} eq 'markedmove') {
 3343:         my $destfolder = $env{'form.movetofolder'};
 3344:         my %gotfolders = &Apache::lonmsg::get_user_folders();
 3345:         &printheader($r,'','Moved Messages');
 3346:         if (!defined($gotfolders{$destfolder})) {
 3347:             $r->print(&mt('Destination folder [_1] is not a valid folder',
 3348:                       $destfolder));
 3349:         } else {
 3350: 	    my ($total,$failed,@failed_msg)=(0,0);
 3351:             my @to_move = &Apache::loncommon::get_env_multiple('form.delmark');
 3352:             foreach my $msgid (@to_move) {
 3353: 	        my ($result,$msg) = &movemsg(&unescape($msgid),$folder,
 3354: 			                     $env{'form.movetofolder'});
 3355: 	        if ($result) {
 3356: 		    $total++;
 3357: 	        } else {
 3358: 		    $failed++;
 3359: 		    push(@failed_msg,$msg);
 3360: 	        }
 3361: 	    }
 3362: 	    if ($failed) {
 3363: 	        $r->print('<p class="LC_error">
 3364:                           '.&mt('Failed to move [_1] message(s)',$failed).
 3365: 		      '</p>');
 3366: 	        $r->print('<p class="LC_error">'.
 3367: 	   	          join("</p>\n<p class=\"LC_error\">",@failed_msg).
 3368: 		          "</p>\n");
 3369: 	    }
 3370: 	    $r->print(&mt('Moved [_1] message(s)',$total).'<p>');
 3371:         }
 3372: 	&Apache::loncommunicate::menu($r);
 3373: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
 3374:     } elsif ($env{'form.markedaction'} eq 'markeddel') {
 3375: 	my ($total,$failed,@failed_msg)=(0,0);
 3376:         my @to_delete = &Apache::loncommon::get_env_multiple('form.delmark');
 3377:         foreach my $msgid (@to_delete) {
 3378: 	    my ($result,$msg) = &statuschange(&unescape($msgid),'deleted', 
 3379: 				              $folder);
 3380: 	    if ($result) {
 3381: 	        $total++;
 3382: 	    } else {
 3383: 	        $failed++;
 3384: 		push(@failed_msg,$msg);
 3385: 	    }
 3386: 	}
 3387: 	&printheader($r,'','Deleted Messages');
 3388: 	if ($failed) {
 3389: 	    $r->print('<p class="LC_error">
 3390:                           '.&mt('Failed to delete [_1] message(s)',$failed).
 3391: 		      '</p>');
 3392: 	    $r->print('<p class="LC_error">'.
 3393: 		      join("</p>\n<p class=\"LC_error\">",@failed_msg).
 3394: 		      "</p>\n");
 3395: 	}
 3396: 	$r->print(&mt('Deleted [_1] message(s)',$total).'<p>');
 3397: 	&Apache::loncommunicate::menu($r);
 3398: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
 3399:     } elsif ($env{'form.markunread'}) {
 3400: 	&printheader($r,'','Marked Message as Unread');
 3401: 	&statuschange($env{'form.markunread'},'new');
 3402: 	&Apache::loncommunicate::menu($r);
 3403: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
 3404:     } elsif ($env{'form.compose'}) {
 3405: 	&compout($r,'','',$env{'form.compose'});
 3406:     } elsif ($env{'form.recordftf'}) {
 3407: 	&facetoface($r,$env{'form.recordftf'});
 3408:     } elsif ($env{'form.block'}) {
 3409:         &examblock($r,$env{'form.block'});
 3410:     } elsif ($env{'form.sendmail'}) {
 3411:         if ($env{'form.multiforward'}) {
 3412:             &printheader($r,'','Messages being sent.');
 3413:             my $fixed_subj = $env{'form.subject'};
 3414:             my $suffix=&Apache::lonmsg::foldersuffix($folder);
 3415:             my (%sendresult,%forwardok,%forwardfail,$fwdcount);
 3416:             my @to_forward = &Apache::loncommon::get_env_multiple('form.delmark');
 3417:             foreach my $item (@to_forward) {
 3418:                 my $msgid=&unescape($item);
 3419:                 my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
 3420:                 my %content=&Apache::lonmsg::unpackagemsg($message{$msgid},1,1);
 3421:                 if ($env{'form.showorigsubj'}) {
 3422:                     $env{'form.subject'} = $fixed_subj.$content{'subject'};
 3423:                 } else {
 3424:                     $env{'form.subject'} = '';
 3425:                 }
 3426:                 my $uname = $content{'sendername'};
 3427:                 my $udom = $content{'senderdomain'};
 3428:                 &statuschange($msgid,'forwarded',$folder);
 3429:                 if ($env{'form.showorigsender'}) {
 3430:                     $env{'form.message'} = $env{'form.msgheader'}.' '.
 3431:                         &Apache::loncommon::plainname($uname,$udom).' ('.
 3432:                                            $uname.':'.$udom.')';
 3433:                 }
 3434:                 $env{'form.message'}.="\n\n-- Forwarded message --\n\n".
 3435:                                       $content{'message'};
 3436:                 $env{'form.attachmenturl'} = $content{'attachmenturl'};
 3437:                 $env{'form.multiforwid'} = $item;
 3438:                 $fwdcount ++;
 3439:                 $r->print($fwdcount.': '); 
 3440:                 $sendresult{$msgid} = &sendoffmail($r,$folder);
 3441:                 $r->print('<br />');
 3442:             }
 3443:             foreach my $key (keys(%sendresult)) {
 3444:                 if ($sendresult{$key} =~/^(\s*(?:ok|con_delayed)\s*)*$/) {
 3445:                     $forwardok{$key} = $sendresult{$key};
 3446:                 } else {
 3447:                     $forwardfail{$key} = $sendresult{$key}; 
 3448:                 }
 3449:             }
 3450:             if (keys(%forwardok) > 0) {
 3451:                 my $count = keys(%forwardok);
 3452:                 $r->print('<br /><span class="LC_success">'.
 3453:                           &mt('[quant,_1,message] forwarded.',$count).
 3454:                           '</span>');
 3455:             }
 3456:             if (keys(%forwardfail) > 0) {
 3457:                 my $count = keys(%forwardfail);
 3458:                 $r->print('<p><span class="LC_error">'.
 3459:                           &mt('Could not forward [quant,_1,message].',$count).
 3460:                           '</span> ');
 3461:                 foreach my $key (keys(%forwardfail)) {
 3462:                     $r->print(&mt('Could not deliver forwarded message.').'</span> '.
 3463:                               &mt('The recipient addresses may need to be corrected').' ('.$forwardfail{$key}.').<br /><br />');
 3464:                 }
 3465:             }
 3466:             &Apache::loncommunicate::menu($r);
 3467:         } else {
 3468: 	    &sendoffmail($r,$folder);
 3469:         }
 3470: 	if ($env{'form.storebasecomment'}) {
 3471: 	    &storecomment($r);
 3472:         }
 3473: 	if (($env{'form.rsspost'}) && ($env{'request.course.id'})) {
 3474: 	        &Apache::lonrss::addentry($env{'course.'.$env{'request.course.id'}.'.num'},
 3475: 				      $env{'course.'.$env{'request.course.id'}.'.domain'},
 3476: 				      'Course_Announcements',
 3477: 				      $env{'form.subject'},
 3478: 				      $env{'form.message'},'/adm/communicate','public');
 3479: 	}
 3480: 	if ((!exists($env{'form.group'})) && (!$env{'form.displayedcrit'})) {
 3481: 	    &disall($r,($folder?$folder:$dismode),$msgstatus);
 3482: 	}
 3483:     } elsif ($env{'form.newfolder'}) {
 3484: 	&printheader($r,'','New Folder');
 3485:         my $showfolder = $env{'form.newfolder'};
 3486: 	my ($makeresult,$warning) = &makefolder($env{'form.newfolder'});
 3487:         if ($makeresult eq 'ok') {
 3488:             $r->print(&mt('Folder "[_1]" created.',$showfolder).'<br />');
 3489:         } else {
 3490:             $r->print(&mt('Creation failed.').' '.$makeresult.'<br />'.
 3491:                       $warning);
 3492:             $showfolder = $folder;
 3493:         }
 3494:         &Apache::loncommunicate::menu($r);
 3495: 	&disall($r,$showfolder,$msgstatus);
 3496:     } elsif ($env{'form.showcommentbaseurl'}) {
 3497: 	&storedcommentlisting($r);
 3498:     } elsif ($env{'form.folderaction'} eq 'delete') {
 3499:         &printheader($r,'','Deleted Folder');
 3500:         my $showfolder = '';
 3501:         my $delresult = &deletefolder($folder);
 3502:         if ($delresult eq 'ok') {
 3503:             $r->print(&mt('Folder "[_1]" deleted.',$folder).'<br />');
 3504:             $env{'form.folder'} = '';
 3505:         } else {
 3506:             $r->print(&mt('Deletion failed.').' '.$delresult.'<br />');
 3507:             $showfolder = $folder;
 3508:         }
 3509:         &Apache::loncommunicate::menu($r);
 3510:         &disall($r,$showfolder,$msgstatus);
 3511:     } elsif ($env{'form.folderaction'} eq 'rename') {
 3512:         &printheader($r,'','Renamed Folder');
 3513:         my $showfolder = $env{'form.renamed'};
 3514:         my $renresult = &renamefolder($folder);
 3515:         if ($renresult eq 'ok') {
 3516:             $r->print(&mt('Folder "[_1]" renamed to "[_2]".',$folder,$showfolder).'<br />');
 3517:         } else {
 3518:             $r->print(&mt('Renaming failed.').' '.$renresult.'<br />');
 3519:             $showfolder = $folder;
 3520:         }
 3521:         &Apache::loncommunicate::menu($r);
 3522:         &disall($r,$showfolder,$msgstatus);
 3523:     } else {
 3524: 	&printheader($r,'','Display All Messages');
 3525: 	&Apache::loncommunicate::menu($r);
 3526: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
 3527:     }
 3528:     $r->print(&Apache::loncommon::end_page());
 3529:     return OK;
 3530: }
 3531: # ================================================= Main program, reset counter
 3532: 
 3533: =pod
 3534: 
 3535: =cut
 3536: 
 3537: 1; 
 3538: 
 3539: __END__
 3540: 

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