File:  [LON-CAPA] / loncom / interface / lonmsgdisplay.pm
Revision 1.85: download - view: text, annotated - select for diffs
Fri Feb 22 18:08:35 2008 UTC (16 years, 2 months ago) by bisitz
Branches: MAIN
CVS tags: version_2_6_X, version_2_6_3, HEAD
Localization:
Optimized some &mt() calls

    1: # The LearningOnline Network with CAPA
    2: # Routines for messaging display
    3: #
    4: # $Id: lonmsgdisplay.pm,v 1.85 2008/02/22 18:08:35 bisitz 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="'.$lt{'go'}.'" onClick="javascript:folder_choice(this.form,'."'change'".');" />
  240:      </td>
  241:     </tr>
  242:    </table>
  243:   </td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>
  244:   <td align="right">
  245:    <table><tr><td><br />
  246:     <input type="button" value="'.&mt('Make New Folder').
  247:     '" onClick="javascript:folder_choice(this.form,'."'new'".');" /></td>'.
  248:     '<td align="center"><b>'.&mt('New Folder').'</b><br />'.
  249:     '<input type="text" size="15" name="newfolder" value="" />
  250:     </td></tr></table>
  251:   </td>
  252:  </tr>
  253: </table>'."\n".
  254:     '<input type="hidden" name="sortedby" value="'.$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:         $outcome = 
  356: 	    &mt('Error - could not obtain lock on email folders record.');
  357:     }
  358:     return ($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 $result;
  506:     my ($course_personnel,
  507: 	$current_members,
  508: 	$expired_members,
  509: 	$future_members) = 
  510: 	    &Apache::lonselstudent::get_people_in_class($env{'request.course.sec'});
  511:     unshift @$current_members, (@$course_personnel);
  512:     my %defaultUsers;
  513:     
  514:     $result .= '<input type="hidden" name="sendmode" value="group" />'."\n";
  515: 
  516:     $result .= &Apache::lonselstudent::render_student_list($current_members,
  517: 							   "compemail",
  518: 							   "current",
  519: 							   \%defaultUsers,
  520: 							   1,"selectedusers",1);
  521: 
  522:     $result .= &Apache::lonselstudent::render_student_list($expired_members,
  523: 							   "compemail",
  524: 							   "expired",
  525: 							   \%defaultUsers,
  526: 							   1, "selectedusers",0);
  527:     $result .= &Apache::lonselstudent::render_student_list($future_members,
  528: 							   "compemail",
  529: 							   "future",
  530: 							   \%defaultUsers,
  531: 							   1, "selectedusers", 0);
  532:     return $result;
  533: }
  534: 
  535: sub disgroup {
  536:     my ($cdom,$cnum,$group,$viewgrps,$editgrps) = @_;
  537:     my $result;
  538:     #  Needs to be in a course
  539:     if (!($env{'request.course.fn'})) {
  540:         $result = &mt('Error: you must have a course role selected to be able to send a broadcast message to a group in the course.');
  541:         return $result;
  542:     }
  543:     if ($cdom eq '' || $cnum eq '') {
  544:         $result = &mt('Error: could not determine domain or number of course');
  545:         return $result;
  546:     }
  547:     my ($memberinfo,$numitems) =
  548:                  &Apache::longroup::group_memberlist($cdom,$cnum,$group,{},[]);
  549:     my @statustypes = ('active');
  550:     if ($viewgrps || $editgrps) {
  551:         push(@statustypes,('future','previous'));
  552:     }
  553:     if (keys(%{$memberinfo}) == 0) {
  554:         $result = &mt('As this group has no members, there are no '.
  555:                       'recipients to select.');
  556:         return $result;
  557:     } else {
  558:         $result = &mt('Select message recipients from the group members listed below.').'<br />';  
  559:         my %Sortby = (
  560:                          active   => {},
  561:                          previous => {},
  562:                          future   => {},
  563:                      );
  564:         my %lt = &Apache::lonlocal::texthash(
  565:                                      'name'     => 'Name',
  566:                                      'usnm'     => 'Username',
  567:                                      'doma'     => 'Domain',
  568:                                      'active'   => 'Active Members',
  569:                                      'previous' => 'Former Members',
  570:                                      'future'   => 'Future Members',
  571:                                     );
  572:         foreach my $user (sort(keys(%{$memberinfo}))) {
  573:             my $status = $$memberinfo{$user}{status};
  574:             if ($env{'form.'.$status.'.sortby'} eq 'fullname') {
  575:                 push(@{$Sortby{$status}{$$memberinfo{$user}{fullname}}},$user);
  576:             } elsif ($env{'form.'.$status.'.sortby'} eq 'username') {
  577:                 push(@{$Sortby{$status}{$$memberinfo{$user}{uname}}},$user);
  578:             } elsif ($env{'form.'.$status.'.sortby'} eq 'domain') {
  579:                 push(@{$Sortby{$status}{$$memberinfo{$user}{udom}}},$user);
  580:             } else {
  581:                 push(@{$Sortby{$status}{$$memberinfo{$user}{fullname}}},$user);
  582:             }
  583:         }
  584:         $result .= &group_check_uncheck();
  585:         $result .= '<table border="0" cellspacing="8" cellpadding="2">'.
  586:                    '<tr>';
  587:         foreach my $status (@statustypes)  {
  588:             if (ref($numitems) eq 'HASH') {
  589:                 if ((defined($$numitems{$status})) && ($$numitems{$status})) {
  590:                     $result.='<td valign="top">'.
  591:                              '<fieldset><legend><b>'.$lt{$status}.
  592:                              '</b></legend><nobr>'.
  593:                              '<input type="button" value="'.&mt('Check All').'" '.
  594:                              'onclick="javascript:toggleAll('."'".$status."','check'".')" />'.
  595:                              '&nbsp;&nbsp;'.
  596:                              '<input type="button" value="'.&mt('Uncheck All').'" '.
  597:                              'onclick="javascript:toggleAll('."'".$status."','uncheck'".')" />'.
  598:                              '</nobr></fieldset><br />'.
  599:                              &Apache::loncommon::start_data_table().
  600:                              &Apache::loncommon::start_data_table_header_row();
  601:                     $result .= "<th>$lt{'name'}</a></th>".
  602:                                "<th>$lt{'usnm'}</a></th>".
  603:                                "<th>$lt{'doma'}</a></th>".
  604:                     &Apache::loncommon::end_data_table_header_row();
  605:                     foreach my $key (sort(keys(%{$Sortby{$status}}))) {
  606:                         foreach my $user (@{$Sortby{$status}{$key}}) {
  607:                             $result .=
  608:                                 &Apache::loncommon::start_data_table_row().
  609:                                 '<td><input type="checkbox" '.
  610:                                 'name="selectedusers_forminput" value="'.
  611:                                 $user.':'.$status.'" />'.
  612:                                 $$memberinfo{$user}{'fullname'}.'</td>'.
  613:                                 '<td>'.$$memberinfo{$user}{'uname'}.'</td>'.
  614:                                 '<td>'.$$memberinfo{$user}{'udom'}.'</td>'.
  615:                                 &Apache::loncommon::end_data_table_row();
  616:                         }
  617:                     }
  618:                     $result .= &Apache::loncommon::end_data_table();
  619:                 }
  620:             }
  621:             $result .= '</td><td>&nbsp;&nbsp;</td>';
  622:         }
  623:         $result .= '</tr></table>';
  624:     }
  625:     return $result;
  626: }
  627: 
  628: sub group_check_uncheck {
  629:     my $output = qq|
  630: <script type="text/javascript">
  631: function toggleAll(caller,action) {
  632:     var pattern = new RegExp(":"+caller+"\$");
  633:     if (typeof(document.compemail.selectedusers_forminput.length)=="undefined") {
  634:         if (document.compemail.selectedusers_forminput.value.match(pattern)) {
  635:             if (action == 'check') {
  636:                 document.groupmail.selectedusers_forminput.checked = true;
  637:             } else {
  638:                 document.groupmail.selectedusers_forminput.checked = false;
  639:             }
  640:         }
  641:     } else {
  642:         for (var i=0; i<document.compemail.selectedusers_forminput.length; i++) {
  643:             if (document.compemail.selectedusers_forminput[i].value.match(pattern)) {
  644:                 if (action == 'check') {
  645:                     document.compemail.selectedusers_forminput[i].checked = true;
  646:                 } else {
  647:                     document.compemail.selectedusers_forminput[i].checked = false;
  648:                 }
  649:             }
  650:         }
  651:     }
  652: }
  653: </script>
  654:     |;
  655: }
  656: 
  657: sub groupmail_header {
  658:     my ($action,$group,$cdom,$cnum) = @_;
  659:     my ($description,$refarg);
  660:     if (!$cdom || !$cnum) {
  661:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  662:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  663:     }
  664:     if (exists($env{'form.ref'})) {
  665:         $refarg = 'ref='.$env{'form.ref'};
  666:     }
  667:     if (!$group) {
  668:         $group = $env{'form.group'};
  669:     }
  670:     if ($group eq '') {
  671:         return  '';
  672:     } else {
  673:         my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);
  674:         if (defined($curr_groups{$group})) {
  675:             my %groupinfo =
  676:                     &Apache::longroup::get_group_settings($curr_groups{$group});
  677:             $description = &unescape($groupinfo{'description'});
  678:         }
  679:     }
  680:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  681:     if ($refarg) {
  682:         &Apache::lonhtmlcommon::add_breadcrumb
  683:             ({href=>"/adm/coursegroups",
  684:               text=>"Groups",
  685:               title=>"View course groups"});
  686:     }
  687:     &Apache::lonhtmlcommon::add_breadcrumb
  688:         ({href=>"/adm/$cdom/$cnum/$group/smppg?$refarg",
  689:           text=>"Group: $description",
  690:           title=>"Go to group's home page"},
  691:          {href=>"/adm/email?compose=group&amp;group=".
  692:                 "$env{'form.group'}&amp;$refarg",
  693:           text=>"Send a Message in a Group",
  694:           title=>"Compose Group Email Message"},);
  695:     if ($action eq 'sending') {
  696:             &Apache::lonhtmlcommon::add_breadcrumb
  697:                          ({text=>"Messages being sent.",
  698:                            title=>"Messages sent"},);
  699:     }
  700:     my $groupheader = &Apache::loncommon::start_page('Group Email');
  701:     $groupheader .= &Apache::lonhtmlcommon::breadcrumbs
  702:                 ('Group - '.$env{'form.group'}.' Email');
  703:     return $groupheader;
  704: }
  705: 
  706: sub groupmail_sent {
  707:     my ($group,$cdom,$cnum) = @_;
  708:     my $refarg;
  709:     if (exists($env{'form.ref'})) {
  710:         $refarg = 'ref='.$env{'form.ref'};
  711:     }
  712:     my $output .= '<br /><br /><a href="/adm/email?compose=group&amp;group='.
  713:                   $group.'&amp;'.$refarg.'">'.
  714:                   &mt('Send another group email').'</a>'.'&nbsp;&nbsp;&nbsp;'.
  715:                   '<a href="/adm/'.$cdom.'/'.$cnum.'/'.$group.'/smppg?'.
  716:                   $refarg.'">'. &mt('Return to group page').'</a>';
  717:     return $output;
  718: }
  719: 
  720: # ==================================================== Display Critical Message
  721: 
  722: sub discrit {
  723:     my $r=shift;
  724:     my $header = '<h1><font color="red">'.&mt('Critical Messages').'</font></h1>'.
  725:         '<form action="/adm/email" method="POST">'.
  726:         '<input type="hidden" name="confirm" value="true" />';
  727:     my %what=&Apache::lonnet::dump('critical');
  728:     my $result = '';
  729:     foreach my $key (sort(keys(%what))) {
  730:         my %content=&Apache::lonmsg::unpackagemsg($what{$key});
  731:         next if ($content{'senderdomain'} eq '');
  732:         $result.='<hr />'.&mt('From').': <b>'.
  733: &Apache::loncommon::aboutmewrapper(
  734:  &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).'</b> ('.
  735: $content{'sendername'}.':'.
  736:             $content{'senderdomain'}.') '.$content{'time'}.
  737:             '<br />'.&mt('Subject').': '.$content{'subject'}.
  738:             '<br /><pre>'.
  739:               &Apache::lontexconvert::msgtexconverted($content{'message'}).
  740:             '</pre><div class="LC_error">';
  741:         my ($rec_button,$reprec_button);
  742:         $rec_button = &mt('Move to Inbox');
  743:         if (!$content{'noreplies'}) {
  744:             $reprec_button = &mt('Move to Inbox/Compose reply');
  745:         }
  746:         if ($content{'sendback'}) {
  747:             $rec_button = &mt('Confirm Receipt');
  748:             if (!$content{'noreplies'}) {
  749:                 $reprec_button = &mt('Confirm Receipt and Reply');
  750:             }
  751:             $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');
  752:         } else {
  753:             $result .= &mt('Access to other pages will be prevented until you have moved the message to your inbox.'); 
  754:         }
  755:         $result .= '</div><br />'.
  756:             '<input type="submit" name="rec_'.$key.'" value="'.$rec_button.'" />';
  757:         if (!$content{'noreplies'}) {
  758:             $result .= '<input type="submit" name="reprec_'.$key.'" '.
  759:                   'value="'.$reprec_button.'" />';
  760:         }
  761:     }
  762:     # Check to see if there were any messages.
  763:     if ($result eq '') {
  764:         $result = "<h2>".&mt('You have no critical messages.')."</h2>".
  765: 	    '<a href="/adm/roles">'.&mt('Select a course').'</a><br />'.
  766:             '<a href="/adm/email">'.&mt('Communicate').'</a>';
  767:     } else {
  768:         $r->print($header);
  769:     }
  770:     $r->print($result);
  771:     $r->print('<input type="hidden" name="displayedcrit" value="true" /></form>');
  772: }
  773: 
  774: sub sortedmessages {
  775:     my ($blocked,$startblock,$endblock,$numblocked,$folder,$msgstatus) = @_;
  776:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
  777:     my @messages = &Apache::lonnet::getkeys('nohist_email'.$suffix);
  778:     #unpack the varibles and repack into temp for sorting
  779:     my @temp;
  780:     my %descriptions;
  781:     my %status_cache = 
  782: 	&Apache::lonnet::get('email_status'.&Apache::lonmsg::foldersuffix($folder),\@messages);
  783: 
  784:     my $get_received;
  785:     if ($folder eq 'sent' 
  786: 	&& ($env{'form.sortedby'} =~ m/^(rev)?(user|domain)$/)) {
  787: 	$get_received = 1;
  788:     }
  789: 
  790:     foreach my $msgid (@messages) {
  791: 	my $esc_msgid=&escape($msgid);
  792: 	my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$fromcid,$processid,$symb,$error) =
  793: 	    &Apache::lonmsg::unpackmsgid($esc_msgid,$folder,undef,
  794: 					 \%status_cache);
  795:         next if ($msgstatus ne '' && $msgstatus ne $status);
  796:         my $description = &get_course_desc($fromcid,\%descriptions);
  797: 	my @temp1 = ($sendtime,$shortsubj,$fromname,$fromdomain,$status,
  798: 		     $esc_msgid,$description);
  799: 	if ($get_received) {
  800: 	    my %message = &Apache::lonnet::get('nohist_email'.$suffix,
  801: 					       [$msgid]);
  802: 	    my %content = &Apache::lonmsg::unpackagemsg($message{$msgid});
  803: 	    push(@temp1,$content{'recuser'},$content{'recdomain'});
  804: 	}
  805:         # Check whether message was sent during blocking period.
  806:         if ($sendtime >= $startblock && ($sendtime <= $endblock && $endblock > 0) ) {
  807:             $$blocked{$msgid} = 'ON';
  808:             $$numblocked ++;
  809:         } else { 
  810:             push @temp ,\@temp1;
  811:         }
  812:     }
  813:     #default sort
  814:     @temp = sort  {$a->[0] <=> $b->[0]} @temp;    
  815:     if ($env{'form.sortedby'} eq "date"){
  816:         @temp = sort  {$a->[0] <=> $b->[0]} @temp;    
  817:     }
  818:     if ($env{'form.sortedby'} eq "revdate"){
  819:     	@temp = sort  {$b->[0] <=> $a->[0]} @temp; 
  820:     }
  821:     if ($env{'form.sortedby'} eq "user"){
  822: 	if ($get_received) {
  823: 	    @temp = sort  {lc($a->[7][0]) cmp lc($b->[7][0])} @temp;
  824: 	} else {
  825: 	    @temp = sort  {lc($a->[2])    cmp lc($b->[2])}    @temp;
  826: 	}
  827:     }
  828:     if ($env{'form.sortedby'} eq "revuser"){
  829: 	if ($get_received) {
  830: 	    @temp = sort  {lc($b->[7][0]) cmp lc($a->[7][0])} @temp;
  831: 	} else {
  832: 	    @temp = sort  {lc($b->[2])    cmp lc($a->[2])}    @temp;
  833: 	}
  834:     }
  835:     if ($env{'form.sortedby'} eq "domain"){
  836: 	if ($get_received) {
  837: 	    @temp = sort  {$a->[8][0] cmp $b->[8][0]} @temp;
  838: 	} else {
  839: 	    @temp = sort  {$a->[3]    cmp $b->[3]}    @temp;
  840: 	}
  841:     }
  842:     if ($env{'form.sortedby'} eq "revdomain"){
  843: 	if ($get_received) {
  844: 	    @temp = sort  {$b->[8][0] cmp $a->[8][0]} @temp;
  845: 	} else {
  846: 	    @temp = sort  {$b->[3]    cmp $a->[3]}    @temp;
  847: 	}
  848:     }
  849:     if ($env{'form.sortedby'} eq "subject"){
  850:         @temp = sort  {lc($a->[1]) cmp lc($b->[1])} @temp;
  851:     }
  852:     if ($env{'form.sortedby'} eq "revsubject"){
  853:         @temp = sort  {lc($b->[1]) cmp lc($a->[1])} @temp;
  854:     }
  855:     if ($env{'form.sortedby'} eq "course"){
  856:         @temp = sort  {lc($a->[6]) cmp lc($b->[6])} @temp;
  857:     }
  858:     if ($env{'form.sortedby'} eq "revcourse"){
  859:         @temp = sort  {lc($b->[6]) cmp lc($a->[6])} @temp;
  860:     }
  861:     if ($env{'form.sortedby'} eq "status"){
  862:         @temp = sort  {$a->[4] cmp $b->[4]} @temp;
  863:     }
  864:     if ($env{'form.sortedby'} eq "revstatus"){
  865:         @temp = sort  {$b->[4] cmp $a->[4]} @temp;
  866:     }
  867:     return @temp;
  868: }
  869: 
  870: sub get_course_desc {
  871:     my ($fromcid,$descriptions) = @_;
  872:     my $description;
  873:     if (!$fromcid) {
  874:         return $description;
  875:     } else {
  876:         if (defined($$descriptions{$fromcid})) {
  877:             $description = $$descriptions{$fromcid};
  878:         } else {
  879:             if (defined($env{'course.'.$fromcid.'.description'})) {
  880:                 $description = $env{'course.'.$fromcid.'.description'};
  881:             } else {
  882:                 my %courseinfo=&Apache::lonnet::coursedescription($fromcid);
  883:                 $description = $courseinfo{'description'};
  884:             }
  885:             $$descriptions{$fromcid} = $description;
  886:         }
  887:         return $description;
  888:     }
  889: }
  890: 
  891: # ======================================================== Display all messages
  892: 
  893: sub disall {
  894:     my ($r,$folder,$msgstatus)=@_;
  895:     my %saveable = ('msgstatus' => 'scalar',
  896: 		    'sortedby'  => 'scalar',
  897: 		    'interdis'  => 'scalar',
  898: 		    );
  899:     &Apache::loncommon::store_settings('user','mail',\%saveable);
  900:     &Apache::loncommon::restore_settings('user','mail',\%saveable);
  901:     $folder    ||= $env{'form.folder'};
  902:     $msgstatus ||= $env{'form.msgstatus'};
  903:     $env{'form.interdis'} ||= 20;
  904: 
  905:     $r->print(&folderlist($folder,$msgstatus));
  906:     if ($folder eq 'critical') {
  907: 	&discrit($r);
  908:     } else {
  909: 	&disfolder($r,$folder,$msgstatus);
  910:     }
  911: }
  912: 
  913: # ============================================================ Display a folder
  914: 
  915: sub disfolder {
  916:     my ($r,$folder,$msgstatus)=@_;
  917:     my %statushash = &get_msgstatus_types();
  918:     my %blocked = ();
  919:     my %setters = ();
  920:     my $numblocked = 0;
  921:     my ($startblock,$endblock) = &Apache::loncommon::blockcheck(\%setters,'com');
  922:     my %lt = &Apache::lonlocal::texthash(
  923:                       sede => 'Select a destination folder to which the messages will be moved.',
  924:                       nome => 'No messages have been selected to apply ths action to.',
  925:                       chec => 'Check the checkbox for at least one message.',  
  926:     );
  927:     my $jscript = &Apache::loncommon::check_uncheck_jscript();
  928:     $r->print(<<ENDDISHEADER);
  929: <script type="text/javascript">
  930:     $jscript
  931: 
  932:     function validate_checkedaction() {
  933:         document.disall.markedaction.value = document.disall.checkedaction.options[document.disall.checkedaction.selectedIndex].value;
  934:         if (document.disall.checkedaction.options[document.disall.checkedaction.selectedIndex].value == 'markedmove') {
  935:             if (document.disall.movetofolder.options[document.disall.movetofolder.selectedIndex].value == "") {
  936:                 alert("$lt{'sede'}");
  937:                 return;
  938:             } 
  939:         }
  940:         var checktotal = 0;
  941:         if (document.forms.disall.delmark.length > 0) {
  942:             for (var i=0; i<document.forms.disall.delmark.length; i++) {
  943:                 if (document.forms.disall.delmark[i].checked) {
  944:                     checktotal ++;
  945:                 }
  946:             }
  947:         } else {
  948:             if (document.forms.disall.delmark.checked) {
  949:                 checktotal ++;
  950:             }
  951:         }   
  952:         if (checktotal == 0) {
  953:             alert("$lt{'nome'}\\n$lt{'chec'}");
  954:             return;
  955:         }
  956:         document.disall.submit();
  957:     }
  958: 
  959: </script>
  960: ENDDISHEADER
  961: 
  962:     my $fsqs='&folder='.$folder;
  963:     my @temp=&sortedmessages(\%blocked,$startblock,$endblock,\$numblocked,$folder,$msgstatus);
  964:     my $totalnumber=$#temp+1;
  965:     if ($totalnumber < 1) {
  966:         if ($msgstatus eq '') {
  967: 	    $r->print('<h2>'.&mt('Empty Folder').'</h2>');
  968:         } elsif ($msgstatus eq 'replied') {
  969:             $r->print('<h2>'.&mt('You have not replied to any messages in this folder.').'</h2>');
  970:         } else { 
  971:             $r->print('<h2>'.&mt('There are no '.lc($statushash{$msgstatus}).' messages in this folder.').'</h2>');
  972:         }
  973:         if ($numblocked > 0) {
  974:             $r->print(&blocked_in_folder($numblocked,$startblock,$endblock,
  975:                                          \%setters));
  976:         }
  977: 	return;
  978:     }
  979:     my $interdis = $env{'form.interdis'};
  980:     my $number=int($totalnumber/$interdis);
  981:     if ($totalnumber%$interdis == 0) {
  982: 	$number--; 
  983:     }
  984: 
  985:     if (($startdis<0) || ($startdis>$number)) { $startdis=$number; }
  986:     my $firstdis=$interdis*$startdis;
  987:     if ($firstdis>$#temp) { $firstdis=$#temp-$interdis+1; }
  988:     my $lastdis=$firstdis+$interdis-1;
  989:     if ($lastdis>$#temp) { $lastdis=$#temp; }
  990:     $r->print(&scrollbuttons($startdis,$number,$firstdis,$lastdis,$totalnumber,$msgstatus));
  991:     $r->print('<form method="post" name="disall" action="/adm/email">'.
  992: 	      '<table class="LC_mail_list"><tr><th colspan="1">&nbsp;</th><th>');
  993:     if ($env{'form.sortedby'} eq "revdate") {
  994: 	$r->print('<a href = "?sortedby=date'.$fsqs.'">'.&mt('Date').'</a></th>');
  995:     } else {
  996: 	$r->print('<a href = "?sortedby=revdate'.$fsqs.'">'.&mt('Date').'</a></th>');
  997:     }
  998:     $r->print('<th>');
  999:     if ($env{'form.sortedby'} eq "revuser") {
 1000: 	$r->print('<a href = "?sortedby=user'.$fsqs.'">'.&mt('Username').'</a>');
 1001:     } else {
 1002: 	$r->print('<a href = "?sortedby=revuser'.$fsqs.'">'.&mt('Username').'</a>');
 1003:     }
 1004:     $r->print('</th><th>');
 1005:     if ($env{'form.sortedby'} eq "revdomain") {
 1006: 	$r->print('<a href = "?sortedby=domain'.$fsqs.'">'.&mt('Domain').'</a>');
 1007:     } else {
 1008: 	$r->print('<a href = "?sortedby=revdomain'.$fsqs.'">'.&mt('Domain').'</a>');
 1009:     }
 1010:     $r->print('</th><th>');
 1011:     if ($env{'form.sortedby'} eq "revsubject") {
 1012: 	$r->print('<a href = "?sortedby=subject'.$fsqs.'">'.&mt('Subject').'</a>');
 1013:     } else {
 1014:     	$r->print('<a href = "?sortedby=revsubject'.$fsqs.'">'.&mt('Subject').'</a>');
 1015:     }
 1016:     $r->print('</th><th>');
 1017:     if ($env{'form.sortedby'} eq "revcourse") {
 1018:         $r->print('<a href = "?sortedby=course'.$fsqs.'">'.&mt('Course').'</a>');
 1019:     } else {
 1020:         $r->print('<a href = "?sortedby=revcourse'.$fsqs.'">'.&mt('Course').'</a>');
 1021:     }
 1022:     $r->print('</th><th>');
 1023:     if ($env{'form.sortedby'} eq "revstatus") {
 1024: 	$r->print('<a href = "?sortedby=status'.$fsqs.'">'.&mt('Status').'</a></th>');
 1025:     } else {
 1026:      	$r->print('<a href = "?sortedby=revstatus'.$fsqs.'">'.&mt('Status').'</a></th>');
 1027:     }
 1028:     $r->print("</tr>\n");
 1029: 
 1030:     my $suffix = &Apache::lonmsg::foldersuffix($folder);
 1031:     for (my $n=$firstdis;$n<=$lastdis;$n++) {
 1032: 	my ($sendtime,$shortsubj,$fromname,$fromdomain,$status,$origID,
 1033: 	    $description,$recv_name,$recv_domain)= 
 1034: 		@{$temp[$n]};
 1035: 	if (($status ne 'deleted') && defined($sendtime) && $sendtime!~/error/) {
 1036: 	    if ($status eq 'new') {
 1037: 		$r->print('<tr class="LC_mail_new">');
 1038: 	    } elsif ($status eq 'read') {
 1039: 		$r->print('<tr class="LC_mail_read">');
 1040: 	    } elsif ($status eq 'replied') {
 1041: 		$r->print('<tr class="LC_mail_replied">'); 
 1042: 	    } else {
 1043: 		$r->print('<tr class="LC_mail_other">');
 1044: 	    }
 1045: 	    my ($dis_name,$dis_domain) = ($fromname,$fromdomain);
 1046: 	    if ($folder eq 'sent') {
 1047:                 if (defined($recv_name) && defined($recv_domain)) {
 1048: 		    if (ref($recv_name) eq 'ARRAY' && 
 1049:                         ref($recv_domain) eq 'ARRAY') {
 1050: 		        $dis_name   = join('<br />',@{$recv_name});
 1051: 		        $dis_domain = join('<br />',@{$recv_domain});
 1052:                     }
 1053: 		} else {
 1054: 		    my $msg_id  = &unescape($origID);
 1055: 		    my %message = &Apache::lonnet::get('nohist_email'.$suffix,
 1056: 						       [$msg_id]);
 1057: 		    my %content = &Apache::lonmsg::unpackagemsg($message{$msg_id});
 1058:                     if (ref($content{'recuser'}) eq 'ARRAY') {
 1059: 		        $dis_name   = join('<br />',@{$content{'recuser'}});
 1060:                     }
 1061:                     if (ref($content{'recdomain'}) eq 'ARRAY') {
 1062: 		        $dis_domain = join('<br />',@{$content{'recdomain'}});
 1063:                     }
 1064: 		}
 1065: 	    }
 1066:             my $localsenttime = &Apache::lonlocal::locallocaltime($sendtime);
 1067:             my $count = $n +1;
 1068: 	    $r->print('<td align="right"><nobr>'.(($status eq 'new')?'<b>':'').
 1069:                       $count.'.'.(($status eq 'new')?'</b>':'').'&nbsp;'.
 1070:                       '<input type="checkbox" name="delmark"'. 
 1071:                       ' value="'.$origID.'" /></nobr></td>');
 1072:             foreach my $item ($localsenttime,$dis_name,$dis_domain,$shortsubj) {
 1073:                 $r->print('<td>'.(($status eq 'new')?'<b>':'').
 1074:                           '<a href="/adm/email?display='.$origID.$sqs.'">'.
 1075:                           $item.(($status eq 'new')?'</b>':'').'</td>');
 1076:             }
 1077:             my $showstatus;
 1078:             my %statushash = &get_msgstatus_types();
 1079:             if ($status eq '') {
 1080:                 $showstatus = '';
 1081:             } else {
 1082:                 $showstatus = $statushash{$status};
 1083:             }
 1084: 	    $r->print('<td>'.(($status eq 'new')?'<b>':'').$description.
 1085:                       (($status eq 'new')?'</b>':'').'</td><td>'.
 1086:                       (($status eq 'new')?'<b>':'').$showstatus.
 1087:                       (($status eq 'new')?'</b>':'').'</td></tr>'."\n");
 1088: 	} elsif ($status eq 'deleted') {
 1089: # purge
 1090: 	    my ($result,$msg) = 
 1091: 		&movemsg(&unescape($origID),$folder,'trash');
 1092: 	    
 1093: 	}
 1094:     }   
 1095:     $r->print("</table>\n");
 1096:     $r->print('<table border="0" cellspacing="2" cellpadding="2">
 1097:  <tr>
 1098:   <td>'.
 1099:   '<input type="button" onclick="javascript:checkAll(document.disall.delmark)" value="'.&mt('Check All').'" /><br />'."\n".
 1100:   '<input type="button" onclick="javascript:uncheckAll(document.disall.delmark)" value="'.&mt('Uncheck All').'" />'."\n".
 1101:   '<input type="hidden" name="sortedby" value="'.$env{'form.sortedby'}.'" /></td><td>&nbsp;</td>'."\n".
 1102:   '<td align="center"><b>'.&mt('Action').'</b><br />'."\n".
 1103:   '  <select name="checkedaction">'."\n");
 1104: 
 1105:     if ($folder ne 'trash') {
 1106:         $r->print('    <option value="markeddel">'.&mt('Delete').'</option>'."\n");
 1107:     }
 1108:     if ($msgstatus ne 'read') {
 1109:         $r->print('    <option value="markedread">'.&mt('Mark Read').'</option>."\n"');
 1110:     }
 1111:     if ($msgstatus ne 'unread') {
 1112:         $r->print('    <option value="markedunread">'.&mt('Mark Unread').'</option>'."\n");
 1113:     }
 1114:     $r->print('   <option value="markedforward">'.&mt('Forward').'</option>'."\n");
 1115: 
 1116:     my %gotfolders = &Apache::lonmsg::get_user_folders();
 1117:     if (keys(%gotfolders) > 0) {
 1118:         $r->print('   <option value="markedmove">'.&mt('Move to Folder ->').
 1119:                   '</option>');
 1120:     }
 1121:     $r->print("\n".'</select></td>'."\n");
 1122: 
 1123:     if (keys(%gotfolders) > 0) {
 1124:         $r->print('<td align="center"><b>'.&mt('Destination folder').'<b><br />');
 1125: 	my %userfolders;
 1126:         foreach my $key (keys(%gotfolders)) {
 1127:             $userfolders{$key} = $key;
 1128:         }
 1129:         $userfolders{''} = "";
 1130:         $r->print(&Apache::loncommon::select_form('','movetofolder',%userfolders).
 1131:                   '</td>');
 1132:     }
 1133:     $r->print('<td>&nbsp;</td><td>&nbsp;&nbsp;'.
 1134:               '<input type="button" name="go" value="'.&mt('Go').
 1135:               '" onclick="javascript:validate_checkedaction()"/></td>'."\n".
 1136:               '</tr></table>');
 1137:     my $postedstartdis=$startdis+1;
 1138:     $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>');
 1139:     if ($numblocked > 0) {
 1140:         $r->print(&blocked_in_folder($numblocked,$startblock,$endblock,
 1141:                                      \%setters));
 1142:     }
 1143: }
 1144: 
 1145: sub blocked_in_folder {
 1146:     my ($numblocked,$startblock,$endblock,$setters) = @_;
 1147:     my $beginblock = &Apache::lonlocal::locallocaltime($startblock);
 1148:     my $finishblock = &Apache::lonlocal::locallocaltime($endblock);
 1149:     my $output = '<br /><br />'.
 1150:                   &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);
 1151:     $output .= &Apache::loncommon::build_block_table($startblock,$endblock,
 1152:                                                      $setters);
 1153:     return $output;
 1154: }
 1155: 
 1156: # ============================================================== Compose output
 1157: 
 1158: sub compout {
 1159:     my ($r,$forwarding,$replying,$broadcast,$replycrit,$folder,$dismode,
 1160:         $multiforward)=@_;
 1161:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
 1162:     my ($cdom,$cnum,$group,$refarg);
 1163:     if (exists($env{'form.group'})) {
 1164:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 1165:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 1166:         $group = $env{'form.group'};
 1167:         my $action = 'composing';
 1168:         $r->print(&groupmail_header($action,$group,$cdom,$cnum));
 1169:     } elsif ($broadcast eq 'individual') {
 1170: 	&printheader($r,'/adm/email?compose=individual',
 1171: 	     'Send a Message');
 1172:     } elsif ($broadcast) {
 1173: 	&printheader($r,'/adm/email?compose=group',
 1174: 	     'Broadcast Message');
 1175:     } elsif ($forwarding) {
 1176: 	&Apache::lonhtmlcommon::add_breadcrumb
 1177:         ({href=>"/adm/email?display=".&escape($forwarding),
 1178:           text=>"Display Message"});
 1179: 	&printheader($r,'/adm/email?forward='.&escape($forwarding),
 1180: 	     'Forwarding a Message');
 1181:     } elsif ($replying) {
 1182: 	&Apache::lonhtmlcommon::add_breadcrumb
 1183:         ({href=>"/adm/email?display=".&escape($replying),
 1184:           text=>"Display Message"});
 1185: 	&printheader($r,'/adm/email?replyto='.&escape($replying),
 1186: 	     'Replying to a Message');
 1187:     } elsif ($replycrit) {
 1188: 	$r->print('<h3>'.&mt('Replying to a Critical Message').'</h3>');
 1189: 	$replying=$replycrit;
 1190:     } elsif ($multiforward) {
 1191:         &Apache::lonhtmlcommon::add_breadcrumb
 1192:         ({href=>"/adm/email?folder=".&escape($folder),
 1193:           text=>"Display All Messages"});
 1194:         &printheader($r,'/adm/email?compose=multiforward',
 1195:              'Forwarding Multiple Messages');
 1196:         if ($multiforward > 1) {
 1197:             $r->print(&mt('Each of the <b>[quant,_1,message]</b> you checked'
 1198:                          .' will be forwarded to the recipient(s) you select below.',$multiforward)
 1199:                     .'<br />');
 1200:         } else {
 1201:             $r->print(&mt('The message you checked will be forwarded to the recipient(s) you select below.').'<br />');
 1202:         }
 1203: 
 1204:     } else {
 1205: 	&printheader($r,'/adm/email?compose=upload',
 1206: 	     'Distribute from Uploaded File');
 1207:     }
 1208: 
 1209:     my $dispcrit='';
 1210:     my $dissub='';
 1211:     my $dismsg='';
 1212:     my $disbase='';
 1213:     my $func=&mt('Send New');
 1214:     my %lt=&Apache::lonlocal::texthash('us'  => 'Username',
 1215: 				       'do'  => 'Domain',
 1216: 				       'ad'  => 'Additional Recipients',
 1217:                                        'rt'  => 'Reply to',
 1218:                                        'ar'  => 'Allow replies',
 1219: 				       'sb'  => 'Subject',
 1220: 				       'ca'  => 'Cancel',
 1221: 				       'ma'  => 'Mail',
 1222:                                        'msg' => 'Messages',
 1223:                                        'gen' => 'Generate messages from a file',
 1224:                                        'gmt' => 'General message text',
 1225:                                        'tff' => 'The file format for the uploaded portion of the message is',
 1226:                                        'uas' => 'Upload and Send',
 1227:                                       );
 1228:     if (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 1229: 	|| &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
 1230: 				    '/'.$env{'request.course.sec'})) {
 1231: 	 my $crithelp = Apache::loncommon::help_open_topic("Course_Critical_Message");
 1232:          $dispcrit=
 1233:  '<p><label><input type="checkbox" name="critmsg" /> '.&mt('Send as critical message').'</label> ' . $crithelp . 
 1234:  '</p><p>'.
 1235:  '<label><input type="checkbox" name="sendbck" /> '.&mt('Send as critical message').'  ' .
 1236:  &mt('and return receipt') . '</label>' . $crithelp . 
 1237:  '</p><p><label><input type="checkbox" name="permanent" /> '.
 1238: &mt('Send copy to permanent email address (if known)').'</label></p>'.
 1239: '<p><label><input type="checkbox" name="rsspost" /> '.
 1240: 		  &mt('Include in course RSS newsfeed').'</label></p>';
 1241:     }
 1242:     if ($broadcast ne 'group') {
 1243:         if (&Apache::lonnet::allowed('dff',$env{'request.course.id'}) ||
 1244:             &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
 1245:                                      '/'.$env{'request.course.sec'})) {
 1246: 
 1247:             $dispcrit.='<p><label>'.
 1248:                        '<input type="checkbox" name="courserecord" value="1" /> '.
 1249:                        &mt("Include in course's 'User records' for recipient(s)").
 1250:                        '</label></p>';
 1251:         }
 1252:     }
 1253: 
 1254:     my %message;
 1255:     my %content;
 1256:     my $defdom=$env{'user.domain'};
 1257:     if ($forwarding) {
 1258: 	%message=&Apache::lonnet::get('nohist_email'.$suffix,[$forwarding]);
 1259: 	%content=&Apache::lonmsg::unpackagemsg($message{$forwarding},$folder);
 1260: 	$dispcrit.='<input type="hidden" name="forwid" value="'.
 1261: 	    $forwarding.'" />';
 1262: 	$func=&mt('Forward');
 1263: 	
 1264: 	$dissub=&mt('Forwarding').': '.$content{'subject'};
 1265: 	$dismsg=&mt('Forwarded message from').' '.
 1266: 	    $content{'sendername'}.' '.&mt('at').' '.$content{'senderdomain'};
 1267: 	if ($content{'baseurl'}) {
 1268: 	    $disbase='<input type="hidden" name="baseurl" value="'.&escape($content{'baseurl'}).'" />';
 1269: 	}
 1270:     }
 1271:     if ($replying) {
 1272: 	%message=&Apache::lonnet::get('nohist_email'.$suffix,[$replying]);
 1273: 	%content=&Apache::lonmsg::unpackagemsg($message{$replying},$folder);
 1274: 	$dispcrit.='<input type="hidden" name="replyid" value="'.
 1275: 	    $replying.'" />';
 1276: 	$func=&mt('Send Reply to');
 1277: 	
 1278: 	$dissub=&mt('Reply').': '.$content{'subject'};       
 1279: 	$dismsg='> '.$content{'message'};
 1280: 	$dismsg=~s/\r/\n/g;
 1281: 	$dismsg=~s/\f/\n/g;
 1282: 	$dismsg=~s/\n+/\n\> /g;
 1283: 	if ($content{'baseurl'}) {
 1284: 	    $disbase='<input type="hidden" name="baseurl" value="'.&escape($content{'baseurl'}).'" />';
 1285: 	    if ($env{'user.adv'}) {
 1286: 		$disbase.='<label><input type="checkbox" name="storebasecomment" />'.&mt('Save message for re-use').
 1287: 		    '</label> <a href="/adm/email?showcommentbaseurl='.
 1288: 		    &escape($content{'baseurl'}).'" target="comments">'.
 1289: 		    &mt('Show re-usable messages').'</a><br />';
 1290: 	    }
 1291: 	}
 1292:         my $jscript = &Apache::loncommon::check_uncheck_jscript();
 1293:         $r->print(<<"ENDREPSCRIPT");
 1294: <script type="text/javascript">
 1295: $jscript
 1296: </script>
 1297: ENDREPSCRIPT
 1298:     }
 1299:     my $citation=&displayresource(%content);
 1300:     my ($can_grp_broadcast,$viewgrps,$editgrps);
 1301:     if ($env{'form.recdom'}) { $defdom=$env{'form.recdom'}; }
 1302:     if ($env{'form.text'}) { $dismsg=$env{'form.text'}; }
 1303:     if ($env{'form.subject'}) { $dissub=$env{'form.subject'}; }
 1304:     $r->print(
 1305:                 '<form action="/adm/email"  name="compemail" method="post"'.
 1306:                 ' enctype="multipart/form-data">'."\n".
 1307:                 '<input type="hidden" name="sendmail" value="on" />'."\n");
 1308:     if ($broadcast eq 'group' && $env{'form.group'} ne '') {
 1309:         $can_grp_broadcast = 
 1310:                 &Apache::lonnet::allowed('sgb',$env{'request.course.id'}.'/'.
 1311:                                          $group);
 1312:         $viewgrps = 
 1313:                &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.
 1314:                ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
 1315:         $editgrps = 
 1316:                &Apache::lonnet::allowed('mdg',$env{'request.course.id'}.
 1317:                ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
 1318:         if ($viewgrps || $editgrps || $can_grp_broadcast) {
 1319:             $r->print(&disgroup($cdom,$cnum,$group,$viewgrps,$editgrps));
 1320:         }
 1321:     }
 1322:     $r->print('<table>');
 1323:     if (($broadcast eq 'group') && ($group ne '') && 
 1324:         (!$can_grp_broadcast && !$viewgrps && !$editgrps)) {
 1325:         $r->print(&recipient_input_row($cdom,%lt));
 1326:     } 
 1327:     if (($broadcast ne 'group') && ($broadcast ne 'upload')) {
 1328: 	if ($replying) {
 1329:             if ($content{'noreplies'}) {
 1330:                 $r->print('<tr><td>'.&mt('This message was designated by the sender not to allow replies.').'</td></tr></table></form>');
 1331:                 return;
 1332:             }
 1333:             $r->print('<tr><td colspan="2">'.&mt('Replying to').' ');
 1334:             if ($content{'replytoaddr'}) {
 1335:                 my ($replytoname,$replytodom) = split(/:/,$content{'replytoaddr'});
 1336:                 if ($replytoname ne '' && $replytodom ne '') {
 1337:                     $r->print(&Apache::loncommon::plainname($replytoname,
 1338:                                  $replytodom).' ('.$replytoname.':'.
 1339:                                  $replytodom.')');
 1340:                     $r->print('<input type="hidden" name="recuname" value="'.
 1341:                           $replytoname.'" />'.
 1342:                           '<input type="hidden" name="recdomain" value="'.
 1343:                           $replytodom.'" /></td></tr>');
 1344: 
 1345:                 } else {
 1346:                     $r->print(&mt('The sender did not designate a reply to address for this message.').'</td></tr></table>');
 1347:                     return;
 1348:                 }
 1349:             } else {
 1350: 	        $r->print(&Apache::loncommon::aboutmewrapper(
 1351: 							 &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).' ('.
 1352: 		      $content{'sendername'}.':'.
 1353: 		      $content{'senderdomain'}.')');
 1354:                 $r->print('<input type="hidden" name="recuname" value="'.
 1355: 		          $content{'sendername'}.'" />'.
 1356: 		          '<input type="hidden" name="recdomain" value="'.
 1357:                           $content{'senderdomain'}.'" /></td></tr>');
 1358:             }
 1359:             if ($content{'recipid'}) {
 1360:                 my @ccs = &retrieve_cc_recips('replying',%content);
 1361:                 if (@ccs > 0) {
 1362:                     my $replyall = qq|
 1363:  <span class="LC_nobreak">
 1364:       <input type="button" value="check all"
 1365:         onclick="javascript:checkAll(document.compemail.replying_cc)" />
 1366:         &nbsp;&nbsp;
 1367:       <input type="button" value="uncheck all"
 1368:         onclick="javascript:uncheckAll(document.compemail.replying_cc)" />
 1369:  </span>
 1370: |;
 1371:                     my $cclist = join(' ',@ccs);
 1372:                     $r->print('<tr><td>'.&mt('Reply to other recipients').':<br />'.$replyall.'</td><td>'.$cclist.'</td></tr>');
 1373:                 }
 1374:             }
 1375: 	} else {
 1376:             $r->print(&recipient_input_row($defdom,%lt));
 1377:         }
 1378:     }
 1379:     my $latexHelp = Apache::loncommon::helpLatexCheatsheet();
 1380:     my $subj_size;
 1381:     if ($multiforward) {
 1382:         $r->print(&additional_rec_row(\%lt));
 1383:         $r->print('<tr><td colspan="2">'.
 1384:                   &mt('Unless you choose otherwise:').'<ul><li>'.
 1385:         &mt("The subject in each forwarded message will be <i>'Forwarding:'</i> followed by the original subject.").'</li><li>'.
 1386:         &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>');
 1387:         $func=&mt('Forward');
 1388:         $dissub = &mt('Forwarding').': ';
 1389:         $subj_size = '10';
 1390:         my $extra = '&lt;'.&mt('original subject').'&gt;&nbsp;&nbsp;&nbsp;'.
 1391:                     '<input type="radio" name="showorigsubj" value="1" checked="checked" />'.&mt('Yes').'&nbsp;<input type="radio" name="showorigsubj" value="0" />'.&mt('No');
 1392:         $dismsg = &mt('Forwarded message from ').' ';
 1393:         my $sender = &mt("sender's name");
 1394:         $r->print(&msg_subject_row($dissub,\%lt,$subj_size,$extra));
 1395:         $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>
 1396: </table>
 1397: <br />'.
 1398: $latexHelp.
 1399: &mt("Any new text to display before the text of the original messages:").'<br />
 1400: <textarea name="message" id="message" cols="80" rows="5" wrap="hard">
 1401: </textarea></p><br />');
 1402:         my @to_forward = &Apache::loncommon::get_env_multiple('form.delmark');
 1403:         foreach my $msg (@to_forward) {
 1404:             $r->print('<input type="hidden" name="delmark" value="'.$msg.'" />');
 1405:         }
 1406:         $r->print(&submit_button_row($folder,$dismode,$func.' '.$lt{'msg'},
 1407:                                      \%lt));
 1408:     } elsif ($broadcast ne 'upload') {
 1409:         $subj_size = '50';
 1410:         $r->print(&additional_rec_row(\%lt));
 1411:         if (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 1412:             || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
 1413:                                         '/'.$env{'request.course.sec'})) {
 1414:             $r->print(&reply_to_row(\%lt));
 1415:         }
 1416:         $r->print(&msg_subject_row($dissub,\%lt,$subj_size));
 1417:         $r->print(<<"ENDCOMP");
 1418: </table>
 1419: $latexHelp
 1420: <textarea name="message" id="message" cols="80" rows="15" wrap="hard">$dismsg
 1421: </textarea></p><br />
 1422: $dispcrit
 1423: $disbase
 1424: ENDCOMP
 1425:         $r->print(&submit_button_row($folder,$dismode,$func.' '.$lt{'ma'},
 1426:                                      \%lt));
 1427:         $r->print($citation);
 1428:         if (exists($env{'form.ref'})) {
 1429:             $r->print('<input type="hidden" name="ref" value="'.
 1430:                       $env{'form.ref'}.'" />');
 1431:         }
 1432:         if (exists($env{'form.group'})) {
 1433:             $r->print('<input type="hidden" name="group" value="'.
 1434:                       $env{'form.group'}.'" />');
 1435:         }
 1436:     } else { # $broadcast is 'upload'
 1437: 	$r->print(<<ENDBLOCK);
 1438: <input type="hidden" name="sendmode" value="upload" />
 1439: <input type="hidden" name="send" value="on" />
 1440: <h3>$lt{'gen'}</h3>
 1441: <p>
 1442: Subject: <input type="text" size="50" name="subject" />
 1443: </p>
 1444: <p>$lt{'gmt'}:<br />
 1445: <textarea name="message" id="message" cols="60" rows="10" wrap="hard">$dismsg
 1446: </textarea></p>
 1447: <p>
 1448: $lt{'tff'}:
 1449: ENDBLOCK
 1450:        $r->print('
 1451: <pre>'."\n".
 1452: &mt('username1:domain1: text')."\n".
 1453: &mt('username2:domain2: text')."\n".
 1454: &mt('username3:domain1: text')."\n".
 1455: '</pre>
 1456: </p>
 1457: <p>
 1458: '.&mt('The messages will be assembled from all lines with the respective'."\n".'<tt>username:domain</tt>, and appended to the general message text.'));
 1459:         $r->print(<<ENDUPLOAD);
 1460: </p>
 1461: <p>
 1462: <input type="file" name="upfile" size="40" /></p><p>
 1463: $dispcrit
 1464: <input type="submit" value="$lt{'uas'}" /></p>
 1465: ENDUPLOAD
 1466:     }
 1467:     if ($broadcast eq 'group') {
 1468:        if ($group eq '') {
 1469:            my $studentsel = &discourse();
 1470:            $r->print($studentsel);
 1471:        }
 1472:     }
 1473:     if ($env{'form.displayedcrit'}) {
 1474: 	$r->print('<input type="hidden" name="displayedcrit" value="true" />');
 1475:     }
 1476:     $r->print('</form>'.
 1477: 	      &Apache::lonfeedback::generate_preview_button('compemail','message').
 1478: 	      &Apache::lonhtmlcommon::htmlareaselectactive('message'));
 1479: }
 1480: 
 1481: # ---------------------------------------------------- Display all face to face
 1482: 
 1483: sub recipient_input_row {
 1484:     my ($dom,%lt) = @_;
 1485:     my $domform = &Apache::loncommon::select_dom_form($dom,'recdomain');
 1486:     my $selectlink=
 1487:       &Apache::loncommon::selectstudent_link('compemail','recuname',
 1488:                                              'recdomain');
 1489:     my $output = <<"ENDREC";
 1490: <tr><td colspan="2"><span class="LC_nobreak">$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>
 1491: ENDREC
 1492:     return $output;
 1493: }
 1494: 
 1495: sub reply_to_row {
 1496:     my ($lt) = @_;
 1497:     my $radioyes = &mt('Yes');
 1498:     my $radiono = &mt('No');
 1499:     my $output = <<"ENDREP";
 1500: <tr><td colspan="2"><span class="LC_nobreak">$lt->{'ar'}:<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>
 1501: ENDREP
 1502:     return $output;
 1503: }
 1504: 
 1505: sub additional_rec_row {
 1506:     my ($lt) = @_;
 1507:     my $cc = &mt('Cc:');
 1508:     my $bcc = &mt('Bcc:');
 1509:     my $exmpl = &mt('username:domain,username:domain,...'); 
 1510:     my $output = <<"ENDADD";
 1511: <tr><td>$lt->{'ad'} :<br /><tt>($exmpl)
 1512: </tt></td><td>&nbsp;<span class="LC_nobreak">$cc 
 1513: <input type="text" size="50" name="additionalrec_cc" /></span><br />
 1514: <span class="LC_nobreak">$bcc <input type="text" size="50" name="additionalrec_bcc" /></span></td></tr>
 1515: ENDADD
 1516:     return $output;
 1517: }
 1518: 
 1519: sub submit_button_row {
 1520:     my ($folder,$dismode,$sendtext,$lt) = @_;
 1521:     my $output = qq| 
 1522: <input type="hidden" name="folder" value="$folder" />
 1523: <input type="hidden" name="dismode" value="$dismode" />
 1524: <input type="submit" name="send" value="$sendtext" />
 1525: <input type="submit" name="cancel" value="$lt->{'ca'}" /><hr />
 1526: |;
 1527:     return $output;
 1528: }
 1529: 
 1530: sub msg_subject_row {
 1531:     my ($dissub,$lt,$subj_size,$extra) = @_;
 1532:     my $output = '<tr><td colspan="2">'.$lt->{'sb'}.':&nbsp;<input type="text" size="'.
 1533:                  $subj_size.'" name="subject" value="'.$dissub.'" />'.$extra.
 1534:                  '</td></tr>';
 1535:     return $output;
 1536: }
 1537: 
 1538: sub retrieve_instructor_comments {
 1539:     my ($user,$domain)=@_;
 1540:     my $target=$env{'form.grade_target'};
 1541:     if (! $env{'request.course.id'}) { return; }
 1542:     if (! &Apache::lonnet::allowed('dff',$env{'request.course.id'})
 1543: 	&& ! &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
 1544: 				      '/'.$env{'request.course.sec'})) {
 1545: 	return;
 1546:     }
 1547:     my %records=&Apache::lonnet::dump('nohist_email',
 1548: 			 $env{'course.'.$env{'request.course.id'}.'.domain'},
 1549: 			 $env{'course.'.$env{'request.course.id'}.'.num'},
 1550:                          '%255b'.$user.'%253a'.$domain.'%255d');
 1551:     my $result='';
 1552:     foreach my $key (sort(keys(%records))) {
 1553:         my %content=&Apache::lonmsg::unpackagemsg($records{$key});
 1554:         next if ($content{'senderdomain'} eq '');
 1555:         next if ($content{'subject'} !~ /^Record/);
 1556: 	# &Apache::lonfeedback::newline_to_br(\$content{'message'});
 1557: 	$result.='Recorded by '.
 1558:             $content{'sendername'}.':'.$content{'senderdomain'}."\n";
 1559:         $result.=
 1560:             &Apache::lontexconvert::msgtexconverted($content{'message'})."\n";
 1561:      }
 1562:     return $result;
 1563: }
 1564: 
 1565: sub disfacetoface {
 1566:     my ($r,$user,$domain)=@_;
 1567:     my $target=$env{'form.grade_target'};
 1568:     unless ($env{'request.course.id'}) { return; }
 1569:     if  (!&Apache::lonnet::allowed('dff',$env{'request.course.id'})
 1570: 	 && ! &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
 1571: 				       '/'.$env{'request.course.sec'})) {
 1572: 	$r->print(&mt('Not allowed'));
 1573: 	return;
 1574:     }
 1575:     my %records=&Apache::lonnet::dump('nohist_email',
 1576: 			 $env{'course.'.$env{'request.course.id'}.'.domain'},
 1577: 			 $env{'course.'.$env{'request.course.id'}.'.num'},
 1578:                          '%255b'.$user.'%253a'.$domain.'%255d');
 1579:     my $result='';
 1580:     foreach my $key (sort(keys(%records))) {
 1581:         my %content=&Apache::lonmsg::unpackagemsg($records{$key});
 1582:         next if ($content{'senderdomain'} eq '');
 1583: 	&Apache::lonfeedback::newline_to_br(\$content{'message'});
 1584:         if ($content{'subject'}=~/^Record/) {
 1585: 	    $result.='<h3>'.&mt('Record').'</h3>';
 1586:         } elsif ($content{'subject'}=~/^Broadcast/) {
 1587:             $result .='<h3>'.&mt('Broadcast Message').'</h3>';
 1588:             if ($content{'subject'}=~/^Broadcast\./) {
 1589:                 if (defined($content{'coursemsgid'})) {
 1590:                     my $crsmsgid = &escape($content{'coursemsgid'});
 1591:                     my $broadcast_message = &general_message($crsmsgid);
 1592:                     $content{'message'} = '<b>'.&mt('Subject').': '.$content{'message'}.'</b><br />'.$broadcast_message;
 1593:                 } else {
 1594:                     %content=&Apache::lonmsg::unpackagemsg($content{'message'});
 1595:                     $content{'message'} =
 1596:                     '<b>'.&mt('Subject').': '.$content{'subject'}.'</b><br />'.
 1597:                     $content{'message'};
 1598:                 }
 1599:             }
 1600:         } elsif ($content{'subject'}=~/^Archive/) {
 1601:             $result.='<h3>'.&mt('Archived Message').'</h3>';
 1602:             if (defined($content{'coursemsgid'})) {
 1603:                 my $crsmsgid = &escape($content{'coursemsgid'});
 1604:                 my $archive_message = &general_message($crsmsgid);
 1605:                 $content{'message'} = '<b>'.&mt('Subject').': '.$content{'message'}.'</b><br />'.$archive_message;
 1606:             } else {
 1607:                 %content=&Apache::lonmsg::unpackagemsg($content{'message'});
 1608:                 $content{'message'} =
 1609:                 '<b>'.&mt('Subject').': '.$content{'subject'}.'</b><br
 1610: '.
 1611:                 $content{'message'};
 1612:             }
 1613:         } else {
 1614:             $result.='<h3>'.&mt('Critical Message').'</h3>';
 1615:             if (defined($content{'coursemsgid'})) {
 1616:                 my $crsmsgid=&escape($content{'coursemsgid'});
 1617:                 my $critical_message = &general_message($crsmsgid);
 1618:                 $content{'message'} = '<b>'.&mt('Subject').': '.$content{'message'}.'</b><br />'.$critical_message;
 1619:             } else {
 1620:                 %content=&Apache::lonmsg::unpackagemsg($content{'message'});
 1621:                 $content{'message'}=
 1622:                 '<b>'.&mt('Subject').': '.$content{'subject'}.'</b><br />'.
 1623: 		$content{'message'};
 1624:             }
 1625:         }
 1626:         $result.=&mt('By').': <b>'.
 1627: &Apache::loncommon::aboutmewrapper(
 1628:  &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),$content{'sendername'},$content{'senderdomain'}).'</b> ('.
 1629: $content{'sendername'}.':'.
 1630:             $content{'senderdomain'}.') '.$content{'time'}.
 1631:             '<br /><pre>'.
 1632:               &Apache::lontexconvert::msgtexconverted($content{'message'}).
 1633: 	      '</pre>';
 1634:      }
 1635:     # Check to see if there were any messages.
 1636:     if ($result eq '') {
 1637:         my $lctype = lc(&Apache::loncommon::course_type());
 1638: 	if ($target ne 'tex') { 
 1639: 	    $r->print("<p><b>".&mt('No notes, face-to-face discussion records, critical messages, or broadcast messages in this [_1].',$lctype)."</b></p>");
 1640: 	} else {
 1641: 	    $r->print('\textbf{'.&mt('No notes, face-to-face discussion records, critical messages or broadcast messages in this [_1].',$lctype).'}\\\\');
 1642: 	}
 1643:     } else {
 1644:        $r->print($result);
 1645:     }
 1646: }
 1647: 
 1648: sub general_message {
 1649:     my ($crsmsgid) = @_;
 1650:     my %general_content;
 1651:     if ($crsmsgid) { 
 1652:         my %course_content = &Apache::lonnet::get('nohist_email',[$crsmsgid],
 1653:                            $env{'course.'.$env{'request.course.id'}.'.domain'},
 1654:                            $env{'course.'.$env{'request.course.id'}.'.num'});
 1655:         %general_content = &Apache::lonmsg::unpackagemsg($course_content{$crsmsgid});
 1656:     }
 1657:     return $general_content{'message'};
 1658: }
 1659: 
 1660: # ---------------------------------------------------------------- Face to face
 1661: 
 1662: sub facetoface {
 1663:     my ($r,$stage)=@_;
 1664:     if (!&Apache::lonnet::allowed('dff',$env{'request.course.id'})
 1665: 	&& ! &Apache::lonnet::allowed('dff',$env{'request.course.id'}.
 1666: 				      '/'.$env{'request.course.sec'})) {
 1667: 	$r->print(&mt('Not allowed'));
 1668: 	return;
 1669:     }
 1670:     my $crstype = &Apache::loncommon::course_type();
 1671:     my $leaders = ($crstype eq 'Group') ? 'coordinators and leaders'
 1672:                                         : 'faculty and staff';
 1673:     &printheader($r,
 1674: 		 '/adm/email?recordftf=query',
 1675: 		 "User Notes, Face-to-Face, Critical Messages, Broadcast Messages, Archived Messages");
 1676: # from query string
 1677: 
 1678:     if ($env{'form.recname'}) { $env{'form.recuname'}=$env{'form.recname'}; }
 1679:     if ($env{'form.recdom'}) { $env{'form.recdomain'}=$env{'form.recdom'}; }
 1680: 
 1681:     my $defdom=$env{'user.domain'};
 1682: # already filled in
 1683:     if ($env{'form.recdomain'}) { $defdom=$env{'form.recdomain'}; }
 1684: # generate output
 1685:     my $domform = &Apache::loncommon::select_dom_form($defdom,'recdomain');
 1686:     my $stdbrws = &Apache::loncommon::selectstudent_link
 1687: 	('stdselect','recuname','recdomain');
 1688:     my %lt=&Apache::lonlocal::texthash('user' => 'Username',
 1689: 				       'dom' => 'Domain',
 1690: 				       'head' => "User Notes, Records of Face-To-Face Discussions, Critical Messages, Broadcast Messages and Archived Messages in $crstype",
 1691: 				       'subm' => 'Retrieve discussion and message records',
 1692: 				       'newr' => 'New Record (record is visible to '.lc($crstype).' '.$leaders.')',
 1693: 				       'post' => 'Post this Record');
 1694:     $r->print(<<"ENDTREC");
 1695: <h3>$lt{'head'}</h3>
 1696: <form method="post" action="/adm/email" name="stdselect">
 1697: <input type="hidden" name="recordftf" value="retrieve" />
 1698: <table>
 1699: <tr><td>$lt{'user'}:</td><td><input type="text" size="12" name="recuname" value="$env{'form.recuname'}" /></td>
 1700: <td rowspan="2">
 1701: $stdbrws
 1702: <input type="submit" value="$lt{'subm'}" /></td>
 1703: </tr>
 1704: <tr><td>$lt{'dom'}:</td>
 1705: <td>$domform</td></tr>
 1706: </table>
 1707: </form>
 1708: ENDTREC
 1709:     if (($stage ne 'query') &&
 1710:         ($env{'form.recdomain'}) && ($env{'form.recuname'})) {
 1711:         chomp($env{'form.newrecord'});
 1712:         if ($env{'form.newrecord'}) {
 1713: 	    &Apache::lonmsg::store_instructor_comment($env{'form.newrecord'},
 1714: 						      $env{'form.recuname'},
 1715: 						      $env{'form.recdomain'});
 1716:         }
 1717:         $r->print('<h3>'.&Apache::loncommon::plainname($env{'form.recuname'},
 1718: 				     $env{'form.recdomain'}).'</h3>');
 1719:         &disfacetoface($r,$env{'form.recuname'},$env{'form.recdomain'});
 1720: 	$r->print(<<ENDRHEAD);
 1721: <form method="post" action="/adm/email">
 1722: <input name="recdomain" value="$env{'form.recdomain'}" type="hidden" />
 1723: <input name="recuname" value="$env{'form.recuname'}" type="hidden" />
 1724: ENDRHEAD
 1725:         $r->print(<<ENDBFORM);
 1726: <hr />$lt{'newr'}<br />
 1727: <textarea name="newrecord" cols="80" rows="10" wrap="hard"></textarea>
 1728: <br />
 1729: <input type="hidden" name="recordftf" value="post" />
 1730: <input type="submit" value="$lt{'post'}" />
 1731: </form>
 1732: ENDBFORM
 1733:     }
 1734: }
 1735: 
 1736: # ----------------------------------------------------------- Blocking during exams
 1737: 
 1738: sub examblock {
 1739:     my ($r,$action) = @_;
 1740:     unless ($env{'request.course.id'}) { return;}
 1741:     if (!&Apache::lonnet::allowed('dcm',$env{'request.course.id'})
 1742: 	&& ! &Apache::lonnet::allowed('dcm',$env{'request.course.id'}.
 1743: 				      '/'.$env{'request.course.sec'})) {
 1744: 	$r->print('Not allowed');
 1745: 	return;
 1746:     }
 1747:     my $usertype = (&Apache::loncommon::course_type() eq 'Group') ? 'members'
 1748: 	                                                          : 'students';
 1749:     my %lt=&Apache::lonlocal::texthash(
 1750:             'comb' => 'Communication Blocking',
 1751:             'cbds' => 'Communication blocking during scheduled exams',
 1752:             '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.",
 1753:              'mecb' => 'Modify existing communication blocking periods',
 1754:              'ncbc' => 'No communication blocks currently saved',
 1755:              'stor' => 'Save',
 1756:     );
 1757: 
 1758:     my %ltext = &Apache::lonlocal::texthash(
 1759:             'dura' => 'Duration',
 1760:             'setb' => 'Set by',
 1761:             'even' => 'Event',
 1762:             'blck' => 'Blocked?',
 1763:             'actn' => 'Action',
 1764:             'star' => 'Start',
 1765:             'endd' => 'End'
 1766:     );
 1767: 
 1768:     &printheader($r,'/adm/email?block=display',$lt{'comb'});
 1769:     $r->print('<h3>'.$lt{'cbds'}.'</h3>');
 1770: 
 1771:     if ($action eq 'store') {
 1772:         &blockstore($r);
 1773:     }
 1774: 
 1775:     $r->print($lt{'desc'}.'<br /><br />
 1776:                <form name="blockform" method="post" action="/adm/email?block=store">
 1777:              ');
 1778: 
 1779:     $r->print('<h4>'.$lt{'mecb'}.'</h4>');
 1780:     my %records = ();
 1781:     my $blockcount = 0;
 1782:     my $parmcount = 0;
 1783:     &get_blockdates(\%records,\$blockcount);
 1784:     if ($blockcount > 0) {
 1785:         $parmcount = &display_blocker_status($r,\%records,\%ltext);
 1786:     } else {
 1787:         $r->print($lt{'ncbc'}.'<br /><br />');
 1788:     }
 1789:     &display_addblocker_table($r,$parmcount,\%ltext);
 1790:     my $end_page=&Apache::loncommon::end_page();
 1791:     $r->print(<<"END");
 1792: <br />
 1793: <input type="hidden" name="blocktotal" value="$blockcount" />
 1794: <input type ="submit" value="$lt{'stor'}" />
 1795: </form>
 1796: $end_page
 1797: END
 1798:     return;
 1799: }
 1800: 
 1801: sub blockstore {
 1802:     my $r = shift;
 1803:     my %lt=&Apache::lonlocal::texthash(
 1804:             'tfcm' => 'The following changes were made',
 1805:             'ncwm' => 'No changes were made.' 
 1806:     );
 1807:     my %adds = ();
 1808:     my %removals = ();
 1809:     my %cancels = ();
 1810:     my $modtotal = 0;
 1811:     my $canceltotal = 0;
 1812:     my $addtotal = 0;
 1813:     my %blocking = ();
 1814:     $r->print('<h3>'.$lt{'head'}.'</h3>');
 1815:     foreach my $envkey (keys(%env)) {
 1816:         if ($envkey =~ m/^form\.modify_(\d+)$/) {
 1817:             $adds{$1} = $1;
 1818:             $removals{$1} = $1;
 1819:             $modtotal ++;
 1820:         } elsif ($envkey =~ m/^form\.cancel_(\d+)$/) {
 1821:             $cancels{$1} = $1;
 1822:             unless ( defined($removals{$1}) ) {
 1823:                 $removals{$1} = $1;
 1824:                 $canceltotal ++;
 1825:             }
 1826:         } elsif ($envkey =~ m/^form\.add_(\d+)$/) {
 1827:             $adds{$1} = $1;
 1828:             $addtotal ++;
 1829:         } 
 1830:     }
 1831: 
 1832:     foreach my $key (keys(%removals)) {
 1833:         my $hashkey = $env{'form.key_'.$key};
 1834:         &Apache::lonnet::del('comm_block',["$hashkey"],
 1835:                          $env{'course.'.$env{'request.course.id'}.'.domain'},
 1836:                          $env{'course.'.$env{'request.course.id'}.'.num'}
 1837:                          );
 1838:     }
 1839:     foreach my $key (keys(%adds)) {
 1840:         unless ( defined($cancels{$key}) ) {
 1841:             my ($newstart,$newend) = &get_dates_from_form($key);
 1842:             my $newkey = $newstart.'____'.$newend;
 1843:             my $blocktypes = &get_block_choices($key);
 1844:             $blocking{$newkey} = {
 1845:                           setter => $env{'user.name'}.':'.$env{'user.domain'},
 1846:                           event  => &escape($env{'form.title_'.$key}),
 1847:                           blocks => $blocktypes,
 1848:                         };
 1849:         }
 1850:     }
 1851:     if ($addtotal + $modtotal > 0) {
 1852:         &Apache::lonnet::put('comm_block',\%blocking,
 1853:                      $env{'course.'.$env{'request.course.id'}.'.domain'},
 1854:                      $env{'course.'.$env{'request.course.id'}.'.num'}
 1855:                      );
 1856:     }
 1857:     my $chgestotal = $canceltotal + $modtotal + $addtotal;
 1858:     if ($chgestotal > 0) {
 1859:         $r->print($lt{'tfcm'}.'<ul>');
 1860:         if ($canceltotal > 0) {
 1861:             $r->print('<li>'.&mt('[quant,_1,communication blocking period was,communication blocking periods were] removed.',$canceltotal).'</li>');
 1862:         }
 1863:         if ($modtotal > 0) {
 1864:             $r->print('<li>'.&mt('[quant,_1,communication blocking period was,communication blocking periods were] modified.',$modtotal).'</li>');
 1865:         }
 1866:         if ($addtotal > 0) {
 1867:             $r->print('<li>'.&mt('[quant,_1,communication blocking period was,communication blocking periods were] added.',$addtotal).'</li>');
 1868:         }
 1869:         $r->print('</ul>');
 1870:     } else {
 1871:         $r->print($lt{'ncwm'});
 1872:     }
 1873:     $r->print('<br />');
 1874:     return;
 1875: }
 1876: 
 1877: sub get_dates_from_form {
 1878:     my $item = shift;
 1879:     my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate_'.$item);
 1880:     my $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate_'.$item);
 1881:     return ($startdate,$enddate);
 1882: }
 1883: 
 1884: sub get_blockdates {
 1885:     my ($records,$blockcount) = @_;
 1886:     $$blockcount = 0;
 1887:     %{$records} = &Apache::lonnet::dump('comm_block',
 1888:                          $env{'course.'.$env{'request.course.id'}.'.domain'},
 1889:                          $env{'course.'.$env{'request.course.id'}.'.num'}
 1890:                          );
 1891:     $$blockcount = keys(%{$records});
 1892: 
 1893:     if ((keys(%{$records}))[0] =~ /^error: 2 /) {
 1894: 	$records = {};
 1895: 	$$blockcount = 0;
 1896:     }
 1897: }
 1898: 
 1899: sub get_block_choices {
 1900:     my $item = shift;
 1901:     my $blocklist;
 1902:     my ($typeorder,$types) = &blocktype_text();
 1903:     foreach my $type (@{$typeorder}) {
 1904:         if ($env{'form.'.$type.'_'.$item}) {
 1905:             $blocklist->{$type} = 'on'; 
 1906:         } else {
 1907:             $blocklist->{$type} = 'off';
 1908:         }
 1909:     }
 1910:     return $blocklist;
 1911: }
 1912: 
 1913: sub display_blocker_status {
 1914:     my ($r,$records,$ltext) = @_;
 1915:     my $parmcount = 0;
 1916:   
 1917:     my %lt = &Apache::lonlocal::texthash(
 1918:         'modi' => 'Modify',
 1919:         'canc' => 'Cancel',
 1920:     );
 1921:     my ($typeorder,$types) = &blocktype_text();
 1922:     $r->print(&Apache::loncommon::start_data_table());
 1923:     $r->print(<<"END");
 1924:   <tr>
 1925:     <th>$ltext->{'dura'}</th>
 1926:     <th>$ltext->{'setb'}</th>
 1927:     <th>$ltext->{'even'}</th>
 1928:     <th>$ltext->{'blck'}</th>
 1929:     <th>$ltext->{'actn'}?</th>
 1930:   </tr>
 1931: END
 1932:     foreach my $record (sort(keys(%{$records}))) {
 1933:         my $onchange = 'onFocus="javascript:window.document.forms['.
 1934:                        "'blockform'].elements['modify_".$parmcount."'].".
 1935:                        'checked=true;"';
 1936:         my ($start,$end) = split(/____/,$record);
 1937:         my $startform = &Apache::lonhtmlcommon::date_setter('blockform','startdate_'.$parmcount,$start,$onchange);
 1938:         my $endform = &Apache::lonhtmlcommon::date_setter('blockform','enddate_'.$parmcount,$end,$onchange);
 1939: 	
 1940: 	my ($setuname,$setudom,$title,$blocks) = 
 1941: 	    &Apache::loncommon::parse_block_record($$records{$record});
 1942: 	$title = &HTML::Entities::encode($title,'"<>&');
 1943:         my $settername = 
 1944:            &Apache::loncommon::aboutmewrapper(
 1945:                            &Apache::loncommon::plainname($setuname,$setudom),
 1946:                            $setuname,$setudom);
 1947:         $r->print(&Apache::loncommon::start_data_table_row());
 1948:         $r->print(<<"END");
 1949:         <td>$ltext->{'star'}:&nbsp;$startform<br/>$ltext->{'endd'}:&nbsp;&nbsp;$endform</td>
 1950:         <td>$settername</td>
 1951:         <td><input type="text" name="title_$parmcount" size="15" value="$title" /><input type="hidden" name="key_$parmcount" value="$record" /></td>
 1952:         <td>
 1953: END
 1954:         foreach my $block (@{$typeorder}) {
 1955:             my $blockstatus = '';
 1956:             if ($blocks->{$block} eq 'on') {
 1957:                 $blockstatus = 'checked="true"';
 1958:             }
 1959:             $r->print('<label><input type="checkbox" name="'.$block.'_'.$parmcount.'" '.$blockstatus.' value="1" />'.$types->{$block}.'</label><br />');
 1960:         }
 1961:         $r->print(<<"END");
 1962:         </td>      
 1963:         <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>
 1964: END
 1965:         $r->print(&Apache::loncommon::end_data_table_row());
 1966:         $parmcount++;
 1967:     }
 1968:     $r->print(<<"END");
 1969: </table>
 1970: <br />
 1971: <br />
 1972: END
 1973:     return $parmcount;
 1974: }
 1975: 
 1976: sub display_addblocker_table {
 1977:     my ($r,$parmcount,$ltext) = @_;
 1978:     my $start = time;
 1979:     my $end = $start + (60 * 60 * 2); #Default is an exam of 2 hours duration.
 1980:     my $onchange = 'onFocus="javascript:window.document.forms['.
 1981:                    "'blockform'].elements['add_".$parmcount."'].".
 1982:                    'checked=true;"';
 1983:     my $startform = &Apache::lonhtmlcommon::date_setter('blockform','startdate_'.$parmcount,$start,$onchange);
 1984:     my $endform = &Apache::lonhtmlcommon::date_setter('blockform','enddate_'.$parmcount,$end,$onchange);
 1985:     my %lt = &Apache::lonlocal::texthash(
 1986:         'addb' => 'Add block',
 1987:         'exam' => 'e.g., Exam 1',
 1988:         'addn' => 'Add new communication blocking periods'
 1989:     );
 1990:     my ($typeorder,$types) = &blocktype_text();
 1991:     $r->print(<<"END");
 1992: <h4>$lt{'addn'}</h4> 
 1993: END
 1994:     $r->print(&Apache::loncommon::start_data_table());
 1995:     $r->print(<<"END");
 1996:    <tr>
 1997:      <th>$ltext->{'dura'}</th>
 1998:      <th>$ltext->{'even'} $lt{'exam'}</th>
 1999:      <th>$ltext->{'blck'}</th>
 2000:      <th>$ltext->{'actn'}?</th>
 2001:    </tr>
 2002: END
 2003:     $r->print(&Apache::loncommon::start_data_table_row());
 2004:     $r->print(<<"END");
 2005:      <td>$ltext->{'star'}:&nbsp;$startform<br />$ltext->{'endd'}:&nbsp;&nbsp;$endform</td>
 2006:      <td><input type="text" name="title_$parmcount" size="15" value="" /></td>
 2007:      <td>
 2008: END
 2009:     foreach my $block (@{$typeorder}) {
 2010:         $r->print('<label><input type="checkbox" name="'.$block.'_'.$parmcount.'" value="1" />'.$types->{$block}.'</label><br />');
 2011:      }
 2012:      $r->print(<<"END");
 2013:      </td> 
 2014:      <td><label>$lt{'addb'}?&nbsp;<input type="checkbox" name="add_$parmcount" value="1" /></label></td>
 2015: END
 2016:     $r->print(&Apache::loncommon::end_data_table_row());
 2017:     $r->print(&Apache::loncommon::end_data_table());
 2018:     return;
 2019: }
 2020: 
 2021: sub blocktype_text {
 2022:     my %types = &Apache::lonlocal::texthash(
 2023:         'com' => 'Messaging',
 2024:         'chat' => 'Chat',
 2025:         'boards' => 'Discussion',
 2026:         'port' => 'Portfolio',
 2027:         'groups' => 'Groups',
 2028:         'blogs' => 'Blogs',
 2029:     );
 2030:     my $typeorder = ['com','chat','boards','port','groups','blogs'];
 2031:     return ($typeorder,\%types);
 2032: }
 2033: 
 2034: # ----------------------------------------------------------- Display a message
 2035: 
 2036: sub displaymessage {
 2037:     my ($r,$msgid,$folder,$msgstatus)=@_;
 2038:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
 2039:     my %blocked = ();
 2040:     my %setters = ();
 2041:     my $numblocked = 0;
 2042:     my $crstype = &Apache::loncommon::course_type();
 2043: 
 2044: # info to generate "next" and "previous" buttons and check if message is blocked
 2045:     my ($startblock,$endblock) = &Apache::loncommon::blockcheck(\%setters,'com');
 2046:     my @messages=&sortedmessages(\%blocked,$startblock,$endblock,\$numblocked,$folder,$msgstatus);
 2047:     if ( $blocked{$msgid} eq 'ON' ) {
 2048:         &printheader($r,'/adm/email',&mt('Display a Message'));
 2049:         $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.'));
 2050:         &build_block_table($r,$startblock,$endblock,\%setters);
 2051:         return;
 2052:     }
 2053:     if ($msgstatus eq '') {
 2054:         &statuschange($msgid,'read',$folder);
 2055:     }
 2056:     my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
 2057:     my %content=&Apache::lonmsg::unpackagemsg($message{$msgid});
 2058:     my $counter=0;
 2059:     $r->print('<pre>');
 2060:     my $escmsgid=&escape($msgid);
 2061:     foreach (@messages) {
 2062: 	if ($_->[5] eq $escmsgid){
 2063: 	    last;
 2064: 	}
 2065: 	$counter++;
 2066:     }
 2067:     $r->print('</pre>');
 2068: 
 2069:     my $see_anonymous;
 2070:     my $from_student = 0;
 2071:     if ($env{'request.course.id'} eq $content{'courseid'}) {
 2072: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2073: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 2074: 	my $username = $content{'sendername'}.':'.$content{'senderdomain'};
 2075: 	my %classlist_entry =
 2076: 	    &Apache::lonnet::get('classlist',[$username],$cdom,$cnum);
 2077: 	if (exists($classlist_entry{$username})) {
 2078: 	    $from_student = 1;
 2079: 	    $see_anonymous = &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
 2080: 	}
 2081:     }
 2082: 
 2083: 
 2084:     my $number_of_messages = scalar(@messages); #subtract 1 for last index
 2085: # start output
 2086:     &printheader($r,'/adm/email?display='.&escape($msgid),'Display a Message','',$content{'baseurl'});
 2087:     my %courseinfo=&Apache::lonnet::coursedescription($content{'courseid'});
 2088: # Functions
 2089:     $r->print('<table border="2" width="100%"><tr bgcolor="#FFFFAA"><td>'.&mt('Functions').':</td>');
 2090:     if (!$content{'noreplies'}) {
 2091:         $r->print('<td><a href="/adm/email?replyto='.&escape($msgid).$sqs.
 2092: 	          '"><b>'.&mt('Reply').'</b></a></td>');
 2093:     }
 2094:     $r->print('<td><a href="/adm/email?forward='.&escape($msgid).$sqs.
 2095: 	      '"><b>'.&mt('Forward').'</b></a></td>'.
 2096: 	      '<td><a href="/adm/email?markunread='.&escape($msgid).$sqs.
 2097: 	      '"><b>'.&mt('Mark Unread').'</b></a></td>'.
 2098: 	      '<td><a href="/adm/email?markdel='.&escape($msgid).$sqs.
 2099: 	      '"><b>'.&mt('Delete').'</b></a></td>'.
 2100: 	      '<td><a href="/adm/email?'.$sqs.
 2101: 	      '"><b>'.&mt('Back to Folder Display').'</b></a></td>');
 2102:     if ($counter > 0){
 2103: 	$r->print('<td><a href="/adm/email?display='.$messages[$counter-1]->[5].$sqs.
 2104: 		  '"><b>'.&mt('Previous').'</b></a></td>');
 2105:     }
 2106:     if ($counter < $number_of_messages - 1){
 2107: 	$r->print('<td><a href="/adm/email?display='.$messages[$counter+1]->[5].$sqs.
 2108: 		  '"><b>'.&mt('Next').'</b></a></td>');
 2109:     }
 2110:     $r->print('</tr></table>');
 2111:     my $symb;
 2112:     if (defined($content{'symb'})) {
 2113:         $symb = $content{'symb'};
 2114:     } elsif (defined($content{'baseurl'})) {
 2115:         $symb=&Apache::lonnet::symbread($content{'baseurl'});
 2116:     }
 2117:     if ($env{'user.adv'}) {
 2118: 	my $adv_actions;
 2119: 	$r->print('<table border="2" width="100%"><tr bgcolor="#FFAAAA"><td>'.&mt('Currently available actions (will open extra window)').':</td>');
 2120: 	if (&Apache::lonnet::allowed('vgr',$env{'request.course.id'})) {
 2121: 		$r->print('<td><b>'.&Apache::loncommon::track_student_link(&mt('View recent activity'),$content{'sendername'},$content{'senderdomain'},'check').'</b></td>');
 2122: 	    }
 2123: 	if (&Apache::lonnet::allowed('opa',$env{'request.course.id'}) && $symb) {
 2124: 	    $r->print('<td><b>'.&Apache::loncommon::pprmlink(&mt('Set/Change parameters'),$content{'sendername'},$content{'senderdomain'},$symb,'check').'</b></td>');
 2125: 	}
 2126: 	if (&Apache::lonnet::allowed('mgr',$env{'request.course.id'}) && $symb) {
 2127: 	    $r->print('<td><b>'.&Apache::loncommon::pgrdlink(&mt('Set/Change grades'),$content{'sendername'},$content{'senderdomain'},$symb,'check').'</b></td>');
 2128: 	}
 2129: 	$r->print('</tr></table>');
 2130:     }
 2131:     my ($tolist,$cclist);
 2132:     my (@recipients,@ccs);
 2133:     if (ref($content{'recuser'}) eq 'ARRAY') {
 2134:         for (my $i=0; $i<@{$content{'recuser'}}; $i++) {
 2135:             $recipients[$i] =  &Apache::loncommon::aboutmewrapper(
 2136:                &Apache::loncommon::plainname($content{'recuser'}[$i],
 2137:                                       $content{'recdomain'}[$i]),
 2138:                   $content{'recuser'}[$i],$content{'recdomain'}[$i]).
 2139:            ' ('.$content{'recuser'}[$i].' '.&mt('at').' '.$content{'recdomain'}[$i].') ';
 2140:         }
 2141:     }
 2142:     $tolist = join(', ',@recipients);
 2143:     if ($content{'recipid'}) {
 2144:         @ccs = &retrieve_cc_recips('display',%content);
 2145:         $cclist = join(', ',@ccs);
 2146:     }
 2147:     my ($restitle,$baseurl,$refers_to);
 2148:     if (defined($content{'resource_title'})) {
 2149:         $restitle = $content{'resource_title'};
 2150:     } else {
 2151:         if (defined($content{'baseurl'})) {
 2152:             $restitle = &Apache::lonnet::gettitle($content{'baseurl'});
 2153:         }
 2154:     }
 2155:     if (defined($content{'baseurl'})) {
 2156:         $baseurl = &Apache::lonenc::check_encrypt($content{'baseurl'});
 2157:     }
 2158:     if ($from_student && $see_anonymous ) {
 2159: 	$r->print(&Apache::loncommon::student_image_tag($content{'senderdomain'},$content{'sendername'}));
 2160:     }
 2161: 
 2162:     $r->print('<br /><b>'.&mt('Subject').':</b> '.$content{'subject'});
 2163:     if ($folder eq 'sent') {
 2164:         $r->print('<br /><b>'.&mt('To').':</b> '.$tolist);
 2165:         if ($content{'replytoaddr'}) {
 2166:             my ($replytoname,$replytodom) = split(/:/,$content{'replytoaddr'});
 2167:             if ($replytoname ne '' && $replytodom ne '') {
 2168:                 $r->print('<br /><b>'.&mt('Reply To').':</b> '.
 2169:                           $replytoname.' '.&mt('at').' '.$replytodom);
 2170:             }
 2171:         }
 2172:     } else {
 2173:         $r->print('<br /><b>'.&mt('From').':</b> '.
 2174: 	      &Apache::loncommon::aboutmewrapper(
 2175: 						 &Apache::loncommon::plainname($content{'sendername'},$content{'senderdomain'}),
 2176: 						 $content{'sendername'},$content{'senderdomain'}));
 2177:         if ($content{'noreplies'}) {
 2178:             $r->print(' ('.&mt('No replies to sender').')'); 
 2179:         } else {
 2180:             if ($content{'replytoaddr'}) {
 2181:                 my ($replytoname,$replytodom) = split(/:/,$content{'replytoaddr'});
 2182:                 if ($replytoname ne '' && $replytodom ne '') {
 2183:                     $r->print('<br /><b>'.&mt('Reply To').':</b> '.
 2184:                               $replytoname.' '.&mt('at').' '.$replytodom);
 2185:                 }
 2186:             } else {
 2187:                 $r->print(' ('.$content{'sendername'}.' '.&mt('at').' '.
 2188:                           $content{'senderdomain'}.') ');
 2189:             }
 2190:             if ($cclist) {
 2191:                 $r->print('<br /><b>'.&mt('Cc').':</b> '.$cclist);
 2192:             }
 2193:         } 
 2194:     }
 2195:     if ($content{'courseid'}) {
 2196:         $r->print('<br /><b>'.&mt($crstype).':</b> '.$courseinfo{'description'});
 2197:         if ($content{'coursesec'}) {
 2198:             $r->print(' ('.&mt('Section').': '.$content{'coursesec'}.')');
 2199:         }
 2200:     }
 2201:     $r->print('<br /><b>'.&mt('Time').':</b> '.$content{'time'});
 2202:     if ($baseurl) {
 2203:         if (defined($content{'courseid'}) && defined($env{'request.course.id'})) {
 2204:             if ($content{'courseid'} eq $env{'request.course.id'}) {
 2205:                 my $symblink;
 2206:                 my $showsymb = &Apache::lonenc::check_decrypt($symb);
 2207:                 my $showurl = &Apache::lonenc::check_decrypt($baseurl);
 2208:                 my $encrypturl = &Apache::lonnet::EXT('resource.0.encrypturl',
 2209:                               $showsymb,$env{'user.domain'},$env{'user.name'});
 2210:                 if ($symb) {
 2211:                     if ($encrypturl =~ /^yes$/i && !$env{'request.role.adv'}) {
 2212:                         $showsymb = &Apache::lonenc::check_encrypt($symb);
 2213:                     }
 2214:                     $symblink = '?symb='.$showsymb;
 2215:                 }
 2216:                 if ($encrypturl =~ /^yes$/i && !$env{'request.role.adv'}) {
 2217:                     $showurl = $baseurl;
 2218:                 }
 2219:                 $r->print('<br /><b>'.&mt('Refers to').':</b> <a href="'.$showurl.$symblink.'">'.$restitle.'</a>');
 2220:                 $refers_to = 1;
 2221:             }
 2222:         }
 2223:         if (!$refers_to) {
 2224:             if ($baseurl =~ m-^/enc/-) {
 2225:                 if (defined($content{'courseid'})) {
 2226:                     if (!$env{'request.course.id'}) {
 2227:                         my $unencurl =
 2228:                            &Apache::lonenc::unencrypted($baseurl,
 2229:                                                         $content{'courseid'});
 2230:                         if ($unencurl ne '') {
 2231:                             if (&Apache::lonnet::allowed('bre',$unencurl)) {
 2232:                                 $r->print('<br /><b>'.&mt('Refers to').
 2233:                                           ':</b> <a href="'.$unencurl.'">'.
 2234:                                           $restitle.'</a>');
 2235:                             }
 2236:                         }
 2237:                     }
 2238:                 }
 2239:             } else {
 2240:                 if (&Apache::lonnet::allowed('bre',$baseurl)) {
 2241:                     $r->print('<br /><b>'.&mt('Refers to').
 2242:                               ':</b> <a href="'.$baseurl.
 2243:                               '">'.$restitle.'</a>');
 2244:                 }
 2245:             }
 2246:         }
 2247:     }
 2248:     $r->print('<p><pre>'.
 2249: 	      &Apache::lontexconvert::msgtexconverted($content{'message'},1).
 2250: 	      '</pre><hr />'.&displayresource(%content).'</p>');
 2251:     return;
 2252: }
 2253: 
 2254: sub retrieve_cc_recips {
 2255:     my ($context,%content) = @_; 
 2256:     my %reciphash =
 2257:          &Apache::lonnet::get('nohist_emailrecip',[$content{'recipid'}],
 2258:                               $content{'senderdomain'},$content{'sendername'});
 2259:     my $recipinfo = $reciphash{$content{'recipid'}};
 2260:     my @ccs;
 2261:     if (ref($recipinfo) eq 'HASH') {
 2262:         if (ref($recipinfo->{'cc'}) eq 'HASH') {
 2263:             foreach my $cc (sort(keys(%{$recipinfo->{'cc'}}))) {
 2264:                 my ($ccname,$ccdom) = split(/:/,$cc);
 2265:                 if (!(($ccname eq $env{'user.name'}) &&
 2266:                      ($ccdom eq $env{'user.domain'}))) {
 2267:                     my $showcc ='<span class="LC_nobreak">';
 2268:                     if ($context eq 'replying') { 
 2269:                         $showcc = '<label><input type="checkbox" name="replying_cc" value="'.$cc.'" />';
 2270:                     }
 2271:                     $showcc .= &Apache::loncommon::aboutmewrapper(
 2272:                                        &Apache::loncommon::plainname($ccname,
 2273:                                          $ccdom),$ccname,$ccdom);
 2274: 		    if ($context eq 'replying') {
 2275: 			$showcc .='</label>';
 2276: 		    }
 2277: 		    $showcc .= '</span>';
 2278: 		    push(@ccs,$showcc);
 2279:                 }
 2280:             }
 2281:         }
 2282:     }
 2283:     return @ccs;
 2284: }
 2285: 
 2286: # =========================================================== Show the citation
 2287: 
 2288: sub displayresource {
 2289:     my %content=@_;
 2290: #
 2291: # If the recipient is in the same course that the message was sent from and
 2292: # has sufficient privileges, show "all details," else show citation
 2293: #
 2294:     if (($env{'request.course.id'} eq $content{'courseid'})
 2295:      && (&Apache::lonnet::allowed('vgr',$content{'courseid'}))) {
 2296:         my $symb;
 2297:         if (defined($content{'symb'})) {
 2298:             $symb = $content{'symb'};
 2299:         } else { 
 2300: 	    $symb=&Apache::lonnet::symbread($content{'baseurl'});
 2301:         }
 2302: # Could not get a symb, give up
 2303: 	unless ($symb) { return $content{'citation'}; }
 2304: # Have a symb, can render
 2305: 	return '<h2>'.&mt('Current attempts of student (if applicable)').'</h2>'.
 2306: 	    &Apache::loncommon::get_previous_attempt($symb,
 2307: 						     $content{'sendername'},
 2308: 						     $content{'senderdomain'},
 2309: 						     $content{'courseid'}).
 2310: 	    '<hr /><h2>'.&mt('Current screen output (if applicable)').'</h2>'.
 2311: 	    &Apache::loncommon::get_student_view($symb,
 2312: 						 $content{'sendername'},
 2313: 						 $content{'senderdomain'},
 2314: 						 $content{'courseid'}).
 2315: 	    '<h2>'.&mt('Correct Answer(s) (if applicable)').'</h2>'.
 2316: 	    &Apache::loncommon::get_student_answers($symb,
 2317: 						    $content{'sendername'},
 2318: 						    $content{'senderdomain'},
 2319: 						    $content{'courseid'});
 2320:     } elsif ($env{'user.adv'}) {
 2321: 	return $content{'citation'};
 2322:     }
 2323:     return '';
 2324: }
 2325: 
 2326: # ================================================================== The Header
 2327: 
 2328: sub header {
 2329:     my ($r,$title,$baseurl)=@_;
 2330:     
 2331:     my $extra = &Apache::loncommon::studentbrowser_javascript();
 2332:     if ($baseurl) {
 2333: 	$extra .= "<base href=\"".&Apache::lonnet::absolute_url()."/$baseurl\" />";
 2334:     }
 2335:     $r->print(&Apache::loncommon::start_page('Communication and Messages',
 2336:  					$extra));
 2337:     $r->print(&Apache::lonhtmlcommon::breadcrumbs
 2338:      		(($title?$title:'Communication and Messages')));
 2339: }
 2340: 
 2341: # ---------------------------------------------------------------- Print header
 2342: 
 2343: sub printheader {
 2344:     my ($r,$url,$desc,$title,$baseurl)=@_;
 2345:     &Apache::lonhtmlcommon::add_breadcrumb
 2346: 	({href=>$url,
 2347: 	  text=>$desc});
 2348:     &header($r,$title,$baseurl);
 2349: }
 2350: 
 2351: # ------------------------------------------------------------ Store the comment
 2352: 
 2353: sub storecomment {
 2354:     my ($r)=@_;
 2355:     my $msgtxt=&Apache::lonfeedback::clear_out_html($env{'form.message'});
 2356:     my $cleanmsgtxt='';
 2357:     foreach my $line (split(/[\n\r]/,$msgtxt)) {
 2358: 	unless ($line=~/^\s*(\>|\&gt\;)/) {
 2359: 	    $cleanmsgtxt.=$line."\n";
 2360: 	}
 2361:     }
 2362:     my $key=&escape($env{'form.baseurl'}).'___'.time;
 2363:     &Apache::lonnet::put('nohist_stored_comments',{ $key => $cleanmsgtxt });
 2364: }
 2365: 
 2366: sub storedcommentlisting {
 2367:     my ($r)=@_;
 2368:     my %msgs=&Apache::lonnet::dump('nohist_stored_comments',undef,undef,
 2369:        '^'.&escape(&escape($env{'form.showcommentbaseurl'})));
 2370:     $r->print(&Apache::loncommon::start_page('Saved Comment Listing',undef,
 2371: 					     {'onlybody' => 1}));
 2372:     if ((keys %msgs)[0]=~/^error\:/) {
 2373: 	$r->print(&mt('No saved comments yet.'));
 2374:     } else {
 2375: 	my $found=0;
 2376: 	foreach my $key (sort(keys(%msgs))) {
 2377: 	    $r->print("\n".$msgs{$key}."<hr />");
 2378: 	    $found=1;
 2379: 	}
 2380: 	unless ($found) {
 2381: 	    $r->print(&mt('No saved comments yet for this resource.'));
 2382: 	}
 2383:     }
 2384: }
 2385: 
 2386: # ---------------------------------------------------------------- Send an email
 2387: 
 2388: sub sendoffmail {
 2389:     my ($r,$folder)=@_;
 2390:     my $suffix=&Apache::lonmsg::foldersuffix($folder);
 2391:     my $sendstatus='';
 2392:     my %msg_status;
 2393:     my $numsent = 0;
 2394:     my $nosentstore = 1;
 2395:     my ($cdom,$cnum,$group);
 2396:     if (exists($env{'form.group'})) {
 2397:         $group = $env{'form.group'};
 2398:     }
 2399:     if (exists($env{'request.course.id'})) {
 2400:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 2401:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2402:     }
 2403:     if ($env{'form.send'}) {
 2404:         if (!$env{'form.multiforward'}) { 
 2405:             if ($group eq '') {
 2406: 	        &printheader($r,'','Messages being sent.');
 2407:             } else {
 2408:                 $r->print(&groupmail_header('sending',$group));
 2409:             }
 2410:         }
 2411: 	$r->rflush();
 2412: 	my %content=();
 2413: 	undef %content;
 2414: 	if ($env{'form.forwid'}) {
 2415: 	    my $msgid=$env{'form.forwid'};
 2416: 	    my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
 2417: 	    %content=&Apache::lonmsg::unpackagemsg($message{$msgid},1);
 2418: 	    &statuschange($msgid,'forwarded',$folder);
 2419: 	    $env{'form.message'}.="\n\n-- Forwarded message --\n\n".
 2420: 		$content{'message'};
 2421: 	}
 2422: 	if ($env{'form.replyid'}) {
 2423: 	    my $msgid=$env{'form.replyid'};
 2424: 	    my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
 2425: 	    %content=&Apache::lonmsg::unpackagemsg($message{$msgid},1);
 2426: 	    &statuschange($msgid,'replied',$folder);
 2427: 	}
 2428: 
 2429: 	my @to =
 2430: 	    &Apache::loncommon::get_env_multiple('form.selectedusers_forminput');
 2431: 	my $mode = $env{'form.sendmode'};
 2432: 
 2433: 	my (%toaddr,$cc,$bcc);
 2434: 	if (@to) {
 2435: 	    foreach my $dest (@to) {
 2436: 		my ($user,$domain) = split(/:/, $dest);
 2437: 		if (($user ne '') && ($domain ne '')) {
 2438: 		    my $address = $user.":".$domain; # How the code below expects it.
 2439: 		    $toaddr{$address} = '';
 2440: 		}
 2441: 	    }
 2442: 	}
 2443: 
 2444: 	if ($env{'form.sendmode'} eq 'group') {
 2445: 	     foreach my $address (keys(%env)) {
 2446: 	 	if ($address=~/^form\.send\_to\_\&\&\&[^\&]*\&\&\&\_(.+)$/) {
 2447: 	 	    $toaddr{$1}='';
 2448: 	 	}
 2449: 	    }
 2450: 	} elsif ($env{'form.sendmode'} eq 'upload') {
 2451:             $nosentstore = 0;
 2452: 	    foreach my $line (split(/[\n\r\f]+/,$env{'form.upfile'})) {
 2453:                 my ($rec,$txt) = ($line =~ /^([^:]+:[^:]+):(.*)$/);
 2454: 		if ($txt) {
 2455:                     $rec =~ s/^\s+//;
 2456:                     $rec =~ s/\s+$//;
 2457: 		    $toaddr{$rec}.=$txt."\n";
 2458: 		}
 2459: 	    }
 2460: 	} else {
 2461: 	    if (($env{'form.recuname'} ne '') && ($env{'form.recdomain'} ne '')) {
 2462: 		$toaddr{$env{'form.recuname'}.':'.$env{'form.recdomain'}}='';
 2463:                 $cc->{$env{'form.recuname'}.':'.$env{'form.recdomain'}}='';
 2464: 	    }
 2465: 	}
 2466: 	if ($env{'form.additionalrec_cc'}) {
 2467: 	    foreach my $rec (split(/\s*,\s*/,$env{'form.additionalrec_cc'})) {
 2468: 		my ($auname,$audom)=split(/:/,$rec);
 2469: 		if (($auname ne "") && ($audom ne "")) {
 2470:                     $toaddr{$auname.':'.$audom}='';
 2471: 		    $cc->{$auname.':'.$audom}='';
 2472: 		}
 2473: 	    }
 2474: 	}
 2475:         if ($env{'form.additionalrec_bcc'}) {
 2476:             foreach my $rec (split(/\s*,\s*/,$env{'form.additionalrec_bcc'})) {
 2477:                 my ($auname,$audom)=split(/:/,$rec);
 2478:                 if (($auname ne "") && ($audom ne "")) {
 2479:                     $toaddr{$auname.':'.$audom}='';
 2480:                     $bcc->{$auname.':'.$audom}='';
 2481:                 }
 2482:             }
 2483:         }
 2484:         if ($env{'form.replying_cc'}) {
 2485:             my @ccreplies = 
 2486:                 &Apache::loncommon::get_env_multiple('form.replying_cc');
 2487:             foreach my $rec (@ccreplies) {
 2488:                 my ($auname,$audom)=split(/:/,$rec);
 2489:                 if (($auname ne "") && ($audom ne "")) {
 2490:                     $toaddr{$auname.':'.$audom}='';
 2491:                     $cc->{$auname.':'.$audom}='';
 2492:                 }
 2493:             }
 2494:         }
 2495:         my $savemsg;
 2496:         my $msgtype;
 2497:         my %sentmessage;
 2498:         my $msgsubj=&Apache::lonfeedback::clear_out_html($env{'form.subject'},
 2499: 							 undef,1);
 2500:         if ((($env{'form.critmsg'}) || ($env{'form.sendbck'})) &&
 2501:             (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 2502: 	     || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
 2503: 					 '/'.$env{'request.course.sec'})
 2504: 	     )) {
 2505:             $savemsg=&Apache::lonfeedback::clear_out_html($env{'form.message'},1);
 2506:             $msgtype = 'critical';
 2507:         } else {
 2508:             $savemsg=&Apache::lonfeedback::clear_out_html($env{'form.message'});
 2509:         }
 2510:         my %reciphash = (
 2511:                            cc => $cc,
 2512:                            bcc => $bcc,
 2513:                         ); 
 2514:         my ($recipid,$recipstatus) = 
 2515:             &Apache::lonmsg::store_recipients($msgsubj,$env{'user.name'},
 2516:                                        $env{'user.domain'},\%reciphash);
 2517:         if ($recipstatus ne 'ok') {
 2518:             &Apache::lonnet::logthis('Failed to store Bcc and Cc recipients for '.$env{'user.name'}.':'.$env{'user.domain'});
 2519:         }  
 2520:         my @recusers;
 2521:         my @recudoms;
 2522: 	foreach my $address (sort(keys(%toaddr))) {
 2523: 	    my ($recuname,$recdomain)=split(/\:/,$address);
 2524:             my $msgtxt = $savemsg;
 2525:             if ($toaddr{$address}) {
 2526: 	        $msgtxt.='<hr />'.$toaddr{$address};
 2527:             }
 2528: 	    my @thismsg;
 2529: 	    if ($msgtype eq 'critical') {
 2530: 		$r->print(&mt('Sending critical message').' '.
 2531:                               $recuname.':'.$recdomain.': ');
 2532: 		@thismsg=
 2533: 		    &Apache::lonmsg::user_crit_msg($recuname,$recdomain,
 2534: 						   $msgsubj,$msgtxt,
 2535: 						   $env{'form.sendbck'},
 2536: 						   $env{'form.permanent'},
 2537: 						   \$sentmessage{$address},
 2538:                                                    $nosentstore,$recipid);
 2539: 	    } else {
 2540: 		$r->print(&mt('Sending').' '.$recuname.':'.$recdomain.': ');
 2541: 		@thismsg=
 2542: 		    &Apache::lonmsg::user_normal_msg($recuname,$recdomain,
 2543: 						     $msgsubj,$msgtxt,
 2544: 						     $content{'citation'},
 2545: 						     undef,undef,
 2546: 						     $env{'form.permanent'},
 2547: 						     \$sentmessage{$address},
 2548:                                                      undef,undef,undef,
 2549:                                                      $nosentstore,$recipid);
 2550:             }
 2551: 	    $msg_status{$recuname.':'.$recdomain}=join(' ',@thismsg);
 2552: 	    if ($msg_status{$recuname.':'.$recdomain} =~ /(ok|con_delayed)/) {  
 2553: 	        $numsent++;
 2554:                 push(@recusers,$recuname);
 2555:                 push(@recudoms,$recdomain);
 2556: 	    }
 2557: 	    $sendstatus.=' '.join(' ',@thismsg);
 2558: 	}
 2559:         my $subj_prefix;
 2560:         if ($numsent > 0) {
 2561:             if (($env{'request.course.id'}) && 
 2562:                 (($env{'form.sendmode'} eq 'group') ||
 2563:                  ($env{'form.courserecord'}) ||
 2564:                  ($msgtype eq 'critical'))) {
 2565:                 if ($msgtype eq 'critical') {
 2566:                     $subj_prefix = 'Critical.';
 2567:                 } elsif ($env{'form.sendmode'} eq 'group') {
 2568:                     $subj_prefix = 'Broadcast.';
 2569:                 } else {
 2570:                     $subj_prefix = 'Archive';
 2571:                 }
 2572:                 my ($specialmsgid,$specialresult);
 2573:                 my $course_str = &escape('['.$cnum.':'.$cdom.']');
 2574: 
 2575:                 $specialresult = 
 2576:                     &Apache::lonmsg::user_normal_msg_raw($cnum,$cdom,
 2577:                         $subj_prefix.' '.$course_str,$savemsg,undef,undef,
 2578:                         undef,undef,undef,\$specialmsgid,undef,undef,undef,
 2579:                         undef,undef,1);
 2580:                 $specialmsgid = &unescape($specialmsgid);
 2581:                 if ($specialresult eq 'ok') {
 2582:                     my ($stamp,$crssubj,$msgname,$msgdom,$msgcount,$context,$pid) =
 2583: 		        split(/\:/,&unescape($specialmsgid));
 2584: 
 2585:                     foreach my $recipient (sort(keys(%toaddr))) {
 2586:                         if ($msg_status{$recipient} =~ /\s*(ok|con_delayed)\s*/) {
 2587:                             my $usersubj = $subj_prefix.'['.$recipient.']';
 2588:                             my $usermsgid = 
 2589: 			        &Apache::lonmsg::buildmsgid($stamp,$usersubj,
 2590: 							    $msgname,$msgdom,
 2591: 							    $msgcount,$context,
 2592: 							    $pid);
 2593:                             &Apache::lonmsg::user_normal_msg_raw($cnum,$cdom,
 2594:                                 $subj_prefix.' ['.$recipient.']',$msgsubj,
 2595:                                 undef,undef,undef,undef,$usermsgid,undef,
 2596:                                 undef,$specialmsgid,undef,undef,undef,1);
 2597:                         }
 2598:                     }
 2599:                     if (($env{'form.sendmode'} ne 'upload') && (@recusers > 0)) {
 2600:                         &Apache::lonmsg::process_sent_mail($msgsubj,
 2601:                            $subj_prefix,$numsent,$stamp,$msgname,$msgdom,
 2602:                            $msgcount,$context,$pid,$savemsg,\@recusers,
 2603:                            \@recudoms);
 2604:                     }
 2605:                 } else {
 2606:                     &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');
 2607:                 }
 2608:             } else {
 2609:                 my $stamp = time;
 2610:                 my $msgcount = &Apache::lonmsg::get_uniq();
 2611:                 my $context = &Apache::lonmsg::get_course_context();
 2612:                 &Apache::lonmsg::process_sent_mail($msgsubj,$subj_prefix,
 2613:                        $numsent,$stamp,$env{'user.name'},
 2614:                        $env{'user.domain'},$msgcount,$context,
 2615:                        $$,$savemsg,\@recusers,\@recudoms);
 2616:             }
 2617:         }
 2618:         if (!$env{'form.multiforward'}) { 
 2619:             if ($sendstatus=~/^(\s*(?:ok|con_delayed)\s*)*$/) {
 2620: 	        $r->print('<br /><span class="LC_success">'.&mt('Completed.').
 2621:                           '</span>');
 2622: 	        if ($env{'form.displayedcrit'}) {
 2623: 	            &discrit($r);
 2624:                 }
 2625:                 if ($group ne '') {
 2626:                     $r->print(&groupmail_sent($group,$cdom,$cnum)); 
 2627: 	        } else {
 2628: 	            &Apache::loncommunicate::menu($r);
 2629: 	        }
 2630:             } else {
 2631: 	        $r->print('<p><span class="LC_error">'.&mt('Could not deliver message').'</span> '.
 2632: 		          &mt('Please use the browser "Back" button and correct the recipient addresses ([_1]).',$sendstatus).'</p>');
 2633:             }
 2634:         }
 2635:     }
 2636:     return $sendstatus;
 2637: }
 2638: 
 2639: # ===================================================================== Handler
 2640: 
 2641: sub handler {
 2642:     my $r=shift;
 2643: 
 2644: # ----------------------------------------------------------- Set document type
 2645:     
 2646:     &Apache::loncommon::content_type($r,'text/html');
 2647:     $r->send_http_header;
 2648:     
 2649:     return OK if $r->header_only;
 2650:     
 2651: # --------------------------- Get query string for limited number of parameters
 2652:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 2653:         ['display','replyto','forward','markread','markdel','markunread',
 2654:          'sendreply','compose','sendmail','critical','recname','recdom',
 2655:          'recordftf','sortedby','block','folder','startdis','interdis',
 2656: 	 'showcommentbaseurl','dismode','group','subject','text','ref',
 2657:          'msgstatus']);
 2658:     $sqs='&sortedby='.$env{'form.sortedby'};
 2659: 
 2660: # ------------------------------------------------------ They checked for email
 2661:     unless ($env{'form.block'}) {
 2662:         &Apache::lonnet::put('email_status',{'recnewemail'=>0});
 2663:     }
 2664: 
 2665: # ----------------------------------------------------------------- Breadcrumbs
 2666: 
 2667:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 2668:     &Apache::lonhtmlcommon::add_breadcrumb
 2669:         ({href=>"/adm/communicate",
 2670:           text=>"Communication/Messages",
 2671:           faq=>12,bug=>'Communication Tools',});
 2672: 
 2673: # ------------------------------------------------------------------ Get Folder
 2674: 
 2675:     my $folder=$env{'form.folder'};
 2676:     unless ($folder) { 
 2677: 	$folder=''; 
 2678:     } else {
 2679: 	$sqs.='&folder='.&escape($folder);
 2680:     }
 2681: # ------------------------------------------------------------ Get Display Mode
 2682: 
 2683:     my $dismode=$env{'form.dismode'};
 2684:     unless ($dismode) { 
 2685: 	$dismode=''; 
 2686:     } else {
 2687: 	$sqs.='&amp;dismode='.&escape($dismode);
 2688:     }
 2689: 
 2690: # --------------------------------------------------------------------- Display
 2691:     my $msgstatus = $env{'form.msgstatus'};
 2692:     $startdis=$env{'form.startdis'};
 2693:     if ($startdis ne '') {
 2694:         $startdis--;
 2695:     }
 2696:     unless ($startdis) { $startdis=0; }
 2697: 
 2698:     if ($env{'form.firstview'}) {
 2699: 	$startdis=0;
 2700:     }
 2701:     if ($env{'form.lastview'}) {
 2702: 	$startdis=-1;
 2703:     }
 2704:     if ($env{'form.prevview'}) {
 2705: 	$startdis--;
 2706:     }
 2707:     if ($env{'form.nextview'}) {
 2708: 	$startdis++;
 2709:     }
 2710:     my $postedstartdis=$startdis+1;
 2711:     $sqs.='&startdis='.$postedstartdis;
 2712: 
 2713: # --------------------------------------------------------------- Render Output
 2714: 
 2715:     if ($env{'form.display'}) {
 2716: 	&displaymessage($r,$env{'form.display'},$folder,$msgstatus);
 2717:     } elsif ($env{'form.replyto'}) {
 2718: 	&compout($r,'',$env{'form.replyto'},undef,undef,$folder,$dismode);
 2719:     } elsif ($env{'form.confirm'}) {
 2720: 	&printheader($r,'','Confirmed Receipt');
 2721: 	my $replying = 0;
 2722: 	foreach my $envkey (keys(%env)) {
 2723: 	    if ($envkey=~/^form\.(rep)?rec\_(.*)$/) {
 2724:                 my $repchk = $1;
 2725:        		my $msgid = $2;
 2726: 		$r->print('<b>'.&mt('Confirming Receipt').':</b> ');
 2727: 		my $result = &Apache::lonmsg::user_crit_received($msgid);
 2728:                 if ($result =~ /trans:\s+ok/) {
 2729:                     &statuschange($msgid,'read');
 2730:                 }
 2731:                 $r->print($result.'<br />');
 2732:                 if ($repchk eq 'rep') {
 2733: 		    &compout($r,'','','',$msgid);
 2734: 		    $replying = 1;
 2735:                 }
 2736: 	    }
 2737: 	}
 2738: 	if (!$replying) {
 2739: 	    &discrit($r);
 2740: 	}
 2741:     } elsif ($env{'form.critical'}) {
 2742: 	&printheader($r,'','Displaying Critical Messages');
 2743: 	&discrit($r);
 2744:     } elsif ($env{'form.forward'}) {
 2745: 	&compout($r,$env{'form.forward'},undef,undef,undef,$folder);
 2746:     } elsif ($env{'form.markdel'}) {
 2747: 	&printheader($r,'','Deleted Message');
 2748: 	my ($result,$msg) = 
 2749: 	    &statuschange($env{'form.markdel'},'deleted',$folder);
 2750: 	if (!$result) {
 2751: 	    $r->print('<p class="LC_error">'.
 2752: 		      &mt('Failed to delete the message.').'</p>'.
 2753: 		      '<p class="LC_error">'.$msg."</p>\n");
 2754: 	}
 2755: 	&Apache::loncommunicate::menu($r);
 2756: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
 2757:     } elsif ($env{'form.markedaction'} eq 'markedforward') {
 2758:         my $total = 0;
 2759:         my @to_forward = &Apache::loncommon::get_env_multiple('form.delmark');
 2760:         foreach my $msgid (@to_forward) {
 2761:             &statuschange(&unescape($msgid),'forwarded',$folder);
 2762:             $total ++;
 2763:         }
 2764:         if ($total > 0) {
 2765:             &compout($r,undef,undef,undef,undef,$folder,$dismode,$total);
 2766:         }
 2767:     } elsif ($env{'form.markedaction'} eq 'markedread') {
 2768:         my $total = 0;
 2769:         my @to_markread = &Apache::loncommon::get_env_multiple('form.delmark');
 2770:         foreach my $msgid (@to_markread) {
 2771:             &statuschange(&unescape($msgid),'read',$folder);
 2772:             $total ++;
 2773:         }
 2774:         &printheader($r,'','Marked Messages Read');
 2775:         $r->print(&mt('Marked [_1] message(s) read',$total).'<p>');
 2776:         &Apache::loncommunicate::menu($r);
 2777:         &disall($r,($folder?$folder:$dismode),$msgstatus);
 2778:     } elsif ($env{'form.markedaction'} eq 'markedunread') {
 2779:         my $total = 0;
 2780:         my @to_markunread = &Apache::loncommon::get_env_multiple('form.delmark');
 2781:         foreach my $msgid (@to_markunread) {
 2782:             &statuschange(&unescape($msgid),'new',$folder);
 2783:             $total ++;
 2784:         }
 2785:         &printheader($r,'','Marked Messages Unread');
 2786:         $r->print(&mt('Marked [_1] message(s) unread',$total).'<p>');
 2787:         &Apache::loncommunicate::menu($r);
 2788:         &disall($r,($folder?$folder:$dismode),$msgstatus);
 2789:     } elsif ($env{'form.markedaction'} eq 'markedmove') {
 2790:         my $destfolder = $env{'form.movetofolder'};
 2791:         my %gotfolders = &Apache::lonmsg::get_user_folders();
 2792:         &printheader($r,'','Moved Messages');
 2793:         if (!defined($gotfolders{$destfolder})) {
 2794:             $r->print(&mt('Destination folder [_1] is not a valid folder',
 2795:                       $destfolder));
 2796:         } else {
 2797: 	    my ($total,$failed,@failed_msg)=(0,0);
 2798:             my @to_move = &Apache::loncommon::get_env_multiple('form.delmark');
 2799:             foreach my $msgid (@to_move) {
 2800: 	        my ($result,$msg) = &movemsg(&unescape($msgid),$folder,
 2801: 			                     $env{'form.movetofolder'});
 2802: 	        if ($result) {
 2803: 		    $total++;
 2804: 	        } else {
 2805: 		    $failed++;
 2806: 		    push(@failed_msg,$msg);
 2807: 	        }
 2808: 	    }
 2809: 	    if ($failed) {
 2810: 	        $r->print('<p class="LC_error">
 2811:                           '.&mt('Failed to move [_1] message(s)',$failed).
 2812: 		      '</p>');
 2813: 	        $r->print('<p class="LC_error">'.
 2814: 	   	          join("</p>\n<p class=\"LC_error\">",@failed_msg).
 2815: 		          "</p>\n");
 2816: 	    }
 2817: 	    $r->print(&mt('Moved [_1] message(s)',$total).'<p>');
 2818:         }
 2819: 	&Apache::loncommunicate::menu($r);
 2820: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
 2821:     } elsif ($env{'form.markedaction'} eq 'markeddel') {
 2822: 	my ($total,$failed,@failed_msg)=(0,0);
 2823:         my @to_delete = &Apache::loncommon::get_env_multiple('form.delmark');
 2824:         foreach my $msgid (@to_delete) {
 2825: 	    my ($result,$msg) = &statuschange(&unescape($msgid),'deleted', 
 2826: 				              $folder);
 2827: 	    if ($result) {
 2828: 	        $total++;
 2829: 	    } else {
 2830: 	        $failed++;
 2831: 		push(@failed_msg,$msg);
 2832: 	    }
 2833: 	}
 2834: 	&printheader($r,'','Deleted Messages');
 2835: 	if ($failed) {
 2836: 	    $r->print('<p class="LC_error">
 2837:                           '.&mt('Failed to delete [_1] message(s)',$failed).
 2838: 		      '</p>');
 2839: 	    $r->print('<p class="LC_error">'.
 2840: 		      join("</p>\n<p class=\"LC_error\">",@failed_msg).
 2841: 		      "</p>\n");
 2842: 	}
 2843: 	$r->print(&mt('Deleted [_1] message(s)',$total).'<p>');
 2844: 	&Apache::loncommunicate::menu($r);
 2845: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
 2846:     } elsif ($env{'form.markunread'}) {
 2847: 	&printheader($r,'','Marked Message as Unread');
 2848: 	&statuschange($env{'form.markunread'},'new');
 2849: 	&Apache::loncommunicate::menu($r);
 2850: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
 2851:     } elsif ($env{'form.compose'}) {
 2852: 	&compout($r,'','',$env{'form.compose'});
 2853:     } elsif ($env{'form.recordftf'}) {
 2854: 	&facetoface($r,$env{'form.recordftf'});
 2855:     } elsif ($env{'form.block'}) {
 2856:         &examblock($r,$env{'form.block'});
 2857:     } elsif ($env{'form.sendmail'}) {
 2858:         if ($env{'form.multiforward'}) {
 2859:             &printheader($r,'','Messages being sent.');
 2860:             my $fixed_subj = $env{'form.subject'};
 2861:             my $suffix=&Apache::lonmsg::foldersuffix($folder);
 2862:             my (%sendresult,%forwardok,%forwardfail,$fwdcount);
 2863:             my @to_forward = &Apache::loncommon::get_env_multiple('form.delmark');
 2864:             foreach my $item (@to_forward) {
 2865:                 my $msgid=&unescape($item);
 2866:                 my %message=&Apache::lonnet::get('nohist_email'.$suffix,[$msgid]);
 2867:                 my %content=&Apache::lonmsg::unpackagemsg($message{$msgid},1);
 2868:                 if ($env{'form.showorigsubj'}) {
 2869:                     $env{'form.subject'} = $fixed_subj.$content{'subject'};
 2870:                 } else {
 2871:                     $env{'form.subject'} = '';
 2872:                 }
 2873:                 my $uname = $content{'sendername'};
 2874:                 my $udom = $content{'senderdomain'};
 2875:                 &statuschange($msgid,'forwarded',$folder);
 2876:                 if ($env{'form.showorigsender'}) {
 2877:                     $env{'form.message'} = $env{'form.msgheader'}.' '.
 2878:                         &Apache::loncommon::plainname($uname,$udom).' ('.
 2879:                                            $uname.':'.$udom.')';
 2880:                 }
 2881:                 $env{'form.message'} .= "\n\n-- Forwarded message --\n\n".
 2882:                                         $content{'message'};
 2883:                 $fwdcount ++;
 2884:                 $r->print($fwdcount.': '); 
 2885:                 $sendresult{$msgid} = &sendoffmail($r,$folder);
 2886:                 $r->print('<br />');
 2887:             }
 2888:             foreach my $key (keys(%sendresult)) {
 2889:                 if ($sendresult{$key} =~/^(\s*(?:ok|con_delayed)\s*)*$/) {
 2890:                     $forwardok{$key} = $sendresult{$key};
 2891:                 } else {
 2892:                     $forwardfail{$key} = $sendresult{$key}; 
 2893:                 }
 2894:             }
 2895:             if (keys(%forwardok) > 0) {
 2896:                 my $count = keys(%forwardok);
 2897:                 $r->print('<br /><span class="LC_success">'.
 2898:                           &mt('[quant,_1,message] forwarded.',$count).
 2899:                           '</span>');
 2900:             }
 2901:             if (keys(%forwardfail) > 0) {
 2902:                 my $count = keys(%forwardfail);
 2903:                 $r->print('<p><span class="LC_error">'.
 2904:                           &mt('Could not forward [quant,_1,message].',$count).
 2905:                           '</span> ');
 2906:                 foreach my $key (keys(%forwardfail)) {
 2907:                     $r->print(&mt('Could not deliver forwarded message.').'</span> '.
 2908:                               &mt('The recipient addresses may need to be corrected').' ('.$forwardfail{$key}.').<br /><br />');
 2909:                 }
 2910:             }
 2911:             &Apache::loncommunicate::menu($r);
 2912:         } else {
 2913: 	    &sendoffmail($r,$folder);
 2914:         }
 2915: 	if ($env{'form.storebasecomment'}) {
 2916: 	    &storecomment($r);
 2917:         }
 2918: 	if (($env{'form.rsspost'}) && ($env{'request.course.id'})) {
 2919: 	        &Apache::lonrss::addentry($env{'course.'.$env{'request.course.id'}.'.num'},
 2920: 				      $env{'course.'.$env{'request.course.id'}.'.domain'},
 2921: 				      'Course_Announcements',
 2922: 				      $env{'form.subject'},
 2923: 				      $env{'form.message'},'/adm/communicate','public');
 2924: 	}
 2925: 	if ((!exists($env{'form.group'})) && (!$env{'form.displayedcrit'})) {
 2926: 	    &disall($r,($folder?$folder:$dismode),$msgstatus);
 2927: 	}
 2928:     } elsif ($env{'form.newfolder'}) {
 2929: 	&printheader($r,'','New Folder');
 2930:         my $showfolder = $env{'form.newfolder'};
 2931: 	my ($makeresult,$warning) = &makefolder($env{'form.newfolder'});
 2932:         if ($makeresult eq 'ok') {
 2933:             $r->print(&mt('Mail folder "[_1]" created.',$showfolder).'<br />');
 2934:         } else {
 2935:             $r->print(&mt('Creation failed.').' '.$makeresult.'<br />'.
 2936:                       $warning);
 2937:             $showfolder = $folder;
 2938:         }
 2939:         &Apache::loncommunicate::menu($r);
 2940: 	&disall($r,$showfolder,$msgstatus);
 2941:     } elsif ($env{'form.showcommentbaseurl'}) {
 2942: 	&storedcommentlisting($r);
 2943:     } elsif ($env{'form.folderaction'} eq 'delete') {
 2944:         &printheader($r,'','Deleted Folder');
 2945:         my $showfolder = '';
 2946:         my $delresult = &deletefolder($folder);
 2947:         if ($delresult eq 'ok') {
 2948:             $r->print(&mt('Mail folder "[_1]" deleted.',$folder).'<br />');
 2949:             $env{'form.folder'} = '';
 2950:         } else {
 2951:             $r->print(&mt('Deletion failed.').' '.$delresult.'<br />');
 2952:             $showfolder = $folder;
 2953:         }
 2954:         &Apache::loncommunicate::menu($r);
 2955:         &disall($r,$showfolder,$msgstatus);
 2956:     } elsif ($env{'form.folderaction'} eq 'rename') {
 2957:         &printheader($r,'','Renamed Folder');
 2958:         my $showfolder = $env{'form.renamed'};
 2959:         my $renresult = &renamefolder($folder);
 2960:         if ($renresult eq 'ok') {
 2961:             $r->print(&mt('Mail folder "[_1]" renamed "[_2]".',$folder,$showfolder).'<br />');
 2962:         } else {
 2963:             $r->print(&mt('Renaming failed.').' '.$renresult.'<br />');
 2964:             $showfolder = $folder;
 2965:         }
 2966:         &Apache::loncommunicate::menu($r);
 2967:         &disall($r,$showfolder,$msgstatus);
 2968:     } else {
 2969: 	&printheader($r,'','Display All Messages');
 2970: 	&Apache::loncommunicate::menu($r);
 2971: 	&disall($r,($folder?$folder:$dismode),$msgstatus);
 2972:     }
 2973:     $r->print(&Apache::loncommon::end_page());
 2974:     return OK;
 2975: }
 2976: # ================================================= Main program, reset counter
 2977: 
 2978: =pod
 2979: 
 2980: =cut
 2981: 
 2982: 1; 
 2983: 
 2984: __END__
 2985: 

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