loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.286: download - view: text, annotated - select for diffs
Sun Jan 24 19:58:24 2010 UTC (14 years, 4 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD

- Simplify regexp in &contains_block_html().
- Coding style - indentation in &contains_block_html().
- Use &contains_block_html() to eliminate unwanted <br /> in display
  of discussion posts composed in Rich Text Editor.
- On post composition page decode() encoded HTML when displaying post
  to which user is replying.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.286 2010/01/24 19:58:24 raeburn Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: #use HTML::Tidy::libXML; 45: use Apache::lonspeller(); 46: use Apache::longroup; 47: use Cwd; 48: use LONCAPA; 49: 50: sub discussion_open { 51: my ($status,$symb)=@_; 52: if ($env{'request.role.adv'}) { return 1; } 53: if (defined($status) && 54: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 55: || $status eq 'OPEN')) { 56: return 0; 57: } 58: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 59: if (defined($close) && $close ne '' && $close < time) { 60: return 0; 61: } 62: return 1; 63: } 64: 65: sub discussion_visible { 66: my ($status)=@_; 67: if (not &discussion_open($status)) { 68: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 69: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 70: if (!$env{'request.role.adv'}) { return 0; } 71: } 72: } 73: return 1; 74: } 75: 76: sub list_discussion { 77: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 78: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 79: unless ($ressymb) { return ''; } 80: $ressymb=&wrap_symb($ressymb); 81: my $outputtarget=$env{'form.grade_target'}; 82: if (defined($env{'form.export'})) { 83: if($env{'form.export'}) { 84: $outputtarget = 'export'; 85: } 86: } 87: if (defined($imsextras)) { 88: if ($$imsextras{'caller'} eq 'imsexport') { 89: $outputtarget = 'export'; 90: } 91: } 92: if (not &discussion_visible($status)) { 93: if ($mode ne 'board') { 94: &Apache::lonenc::check_encrypt(\$ressymb); 95: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 96: } 97: } 98: if ($group ne '' && $mode eq 'board') { 99: if (&check_group_priv($group,'vgb') ne 'ok') { 100: return ''; 101: } 102: } 103: 104: my ($blocked,$blocktext) = 105: &Apache::loncommon::blocking_status('boards'); 106: if ($blocked) { 107: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 108: &Apache::lonenc::check_encrypt(\$ressymb); 109: if ($mode ne 'board') { 110: $blocktext.=&send_message_link($ressymb).'</div>'; 111: }else{ 112: $blocktext.="</div>"; 113: } 114: return $blocktext; 115: } 116: 117: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 118: my $discussiononly=0; 119: if ($mode eq 'board') { $discussiononly=1; } 120: unless ($env{'request.course.id'}) { return ''; } 121: my $crs='/'.$env{'request.course.id'}; 122: my $cid=$env{'request.course.id'}; 123: if ($env{'request.course.sec'}) { 124: $crs.='_'.$env{'request.course.sec'}; 125: } 126: $crs=~s/\_/\//g; 127: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 128: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 129: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 130: 131: my %usernamesort = (); 132: my %namesort =(); 133: my %subjectsort = (); 134: 135: # Get discussion display settings for this discussion 136: my $lastkey = $ressymb.'_lastread'; 137: my $showkey = $ressymb.'_showonlyunread'; 138: my $markkey = $ressymb.'_showonlyunmark', 139: my $visitkey = $ressymb.'_visit'; 140: my $ondispkey = $ressymb.'_markondisp'; 141: my $userpickkey = $ressymb.'_userpick'; 142: my $toggkey = $ressymb.'_readtoggle'; 143: my $readkey = $ressymb.'_read'; 144: $ressymb=$encsymb; 145: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 146: my %discinfo = (); 147: my $showonlyunread = 0; 148: my $showunmark = 0; 149: my $markondisp = 0; 150: my $prevread = 0; 151: my $previous = 0; 152: my $visit = 0; 153: my $newpostsflag = 0; 154: my @posters = split(/\&/,$dischash{$userpickkey}); 155: 156: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 157: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 158: my $sortposts = $env{'form.sortposts'}; 159: my $statusfilter = $env{'form.statusfilter'}; 160: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 161: my @grouppick = split(/,/,$env{'form.grouppick'}); 162: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 163: 164: my $totposters = $env{'form.totposters'}; 165: $previous = $env{'form.previous'}; 166: if ($previous > 0) { 167: $prevread = $previous; 168: } elsif (defined($dischash{$lastkey})) { 169: unless ($dischash{$lastkey} eq '') { 170: $prevread = $dischash{$lastkey}; 171: } 172: } 173: 174: my $cdom = $env{'course.'.$cid.'.domain'}; 175: my $cnum = $env{'course.'.$cid.'.num'}; 176: my $crstype = &Apache::loncommon::course_type(); 177: 178: # Get information about students and non-students in course for filtering display of posts 179: my %roleshash = (); 180: my %roleinfo = (); 181: my ($classgroups,$studentgroups); 182: if ($env{'form.rolefilter'}) { 183: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 184: foreach my $rolekey (keys(%roleshash)) { 185: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 186: if ($role =~ /^cr/) { 187: $role = 'cr'; 188: } 189: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 190: my $now = time; 191: my $status = 'Active'; 192: if (($now < $start) || ($end > 0 && $now > $end)) { 193: $status = 'Expired'; 194: } 195: if ($uname && $udom) { 196: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 197: } 198: } 199: my ($classlist,$keylist) = 200: &Apache::loncoursedata::get_classlist($cdom,$cnum); 201: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 202: my $status_index = &Apache::loncoursedata::CL_STATUS(); 203: while (my ($student,$data) = each %$classlist) { 204: my ($section,$status) = ($data->[$sec_index], 205: $data->[$status_index]); 206: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 207: } 208: ($classgroups,$studentgroups) = 209: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 210: $cdom,$cnum); 211: } 212: 213: # Get discussion display default settings for user 214: if ($env{'environment.discdisplay'} eq 'unread') { 215: $showonlyunread = 1; 216: } 217: if ($env{'environment.discmarkread'} eq 'ondisp') { 218: $markondisp = 1; 219: } 220: 221: # Override user's default if user specified display setting for this discussion 222: if (defined($dischash{$ondispkey})) { 223: unless ($dischash{$ondispkey} eq '') { 224: $markondisp = $dischash{$ondispkey}; 225: } 226: } 227: if ($markondisp) { 228: $discinfo{$lastkey} = time; 229: } 230: 231: if (defined($dischash{$showkey})) { 232: unless ($dischash{$showkey} eq '') { 233: $showonlyunread = $dischash{$showkey}; 234: } 235: } 236: 237: if (defined($dischash{$markkey})) { 238: unless ($dischash{$markkey} eq '') { 239: $showunmark = $dischash{$markkey}; 240: } 241: } 242: 243: if (defined($dischash{$visitkey})) { 244: unless ($dischash{$visitkey} eq '') { 245: $visit = $dischash{$visitkey}; 246: } 247: } 248: $visit ++; 249: 250: my $seeid; 251: if (($group ne '') && ($mode eq 'board') && 252: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 253: if (&check_group_priv($group,'dgp') eq 'ok') { 254: $seeid = 1; 255: } 256: } else { 257: $seeid=&Apache::lonnet::allowed('rin',$crs); 258: } 259: my @discussionitems=(); 260: my %shown = (); 261: my @posteridentity=(); 262: 263: my $current=0; 264: my $visible=0; 265: my @depth=(); 266: my @replies = (); 267: my %alldiscussion=(); 268: my %imsitems=(); 269: my %imsfiles=(); 270: my %notshown = (); 271: my %newitem = (); 272: my $maxdepth=0; 273: my %anonhash=(); 274: my $anoncnt=0; 275: my $target=''; 276: unless ($env{'browser.interface'} eq 'textual' || 277: $env{'environment.remote'} eq 'off' ) { 278: $target='target="LONcom"'; 279: } 280: 281: my $now = time; 282: $discinfo{$visitkey} = $visit; 283: 284: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 285: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 286: 287: my $discussion=''; 288: my $manifestfile; 289: my $manifestok=0; 290: my $tempexport; 291: my $imsresources; 292: my $copyresult; 293: 294: my $function = &Apache::loncommon::get_users_function(); 295: my $color = &Apache::loncommon::designparm($function.'.tabbg', 296: $env{'user.domain'}); 297: my %lt = &Apache::lonlocal::texthash( 298: 'cuse' => 'Current discussion settings', 299: 'allposts' => 'All posts', 300: 'unread' => 'New posts only', 301: 'unmark' => 'Unread only', 302: 'ondisp' => 'Once displayed', 303: 'onmark' => 'Once marked not NEW', 304: 'toggoff' => 'Off', 305: 'toggon' => 'On', 306: 'disa' => 'Posts to be displayed', 307: 'npce' => 'Posts cease to be marked "NEW"', 308: 'epcb' => 'Each post can be toggled read/unread', 309: 'chgt' => 'Change', 310: 'disp' => 'Display', 311: 'nolo' => 'Not new', 312: 'togg' => 'Toggle read/unread', 313: 'aner' => 'An error occurred opening the manifest file.', 314: 'difo' => 'Discussion for', 315: 'aerr' => 'An error occurred opening the export file for posting', 316: 'aysu' => 'Are you sure you want to delete this post?', 317: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 318: 'bwco' => 'but will continue to be visible to your instructor', 319: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 320: ); 321: 322: my $currdisp = $lt{'allposts'}; 323: my $currmark = $lt{'onmark'}; 324: my $currtogg = $lt{'toggoff'}; 325: my $dispchange = $lt{'unread'}; 326: my $markchange = $lt{'ondisp'}; 327: my $toggchange = $lt{'toggon'}; 328: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 329: my $displinkA = 'onlyunread'; 330: my $displinkB = 'onlyunmark'; 331: my $marklink = 'markondisp'; 332: my $togglink = 'toggon'; 333: 334: if ($markondisp) { 335: $currmark = $lt{'ondisp'}; 336: $markchange = $lt{'onmark'}; 337: $marklink = 'markonread'; 338: } 339: 340: if ($showonlyunread) { 341: $currdisp = $lt{'unread'}; 342: $dispchange = $lt{'allposts'}; 343: $displinkA = 'allposts'; 344: } 345: 346: if ($showunmark) { 347: $currdisp = $lt{'unmark'}; 348: $dispchange = $lt{'unmark'}; 349: $displinkA='allposts'; 350: $displinkB='onlyunread'; 351: $showonlyunread = 0; 352: } 353: 354: if ($dischash{$toggkey}) { 355: $currtogg = $lt{'toggon'}; 356: $toggchange = $lt{'toggoff'}; 357: $togglink = 'toggoff'; 358: } 359: 360: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 361: 362: if ($newpostsflag) { 363: $chglink .= '&previous='.$prevread; 364: } 365: $chglink.=&group_args($group); 366: 367: if ($visible) { 368: # Print the discusssion 369: if ($outputtarget eq 'tex') { 370: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 371: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 372: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 373: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 374: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 375: } elsif ($outputtarget eq 'export') { 376: # Create temporary directory if this is an export 377: my $now = time; 378: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 379: $tempexport = $$imsextras{'tempexport'}; 380: if (!-e $tempexport) { 381: mkdir($tempexport,0700); 382: } 383: $tempexport .= '/'.$$imsextras{'count'}; 384: if (!-e $tempexport) { 385: mkdir($tempexport,0700); 386: } 387: } else { 388: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 389: if (!-e $tempexport) { 390: mkdir($tempexport,0700); 391: } 392: $tempexport .= '/'.$now; 393: if (!-e $tempexport) { 394: mkdir($tempexport,0700); 395: } 396: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 397: } 398: if (!-e $tempexport) { 399: mkdir($tempexport,0700); 400: } 401: # open manifest file 402: my $manifest = '/imsmanifest.xml'; 403: my $manifestfilename = $tempexport.$manifest; 404: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 405: $manifestok=1; 406: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 407: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 408: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 409: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 410: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 411: <organizations default="$ressymb"> 412: <organization identifier="$ressymb"> 413: <title>$lt{'difo'} $ressymb</title>\n|; 414: } else { 415: $discussion .= $lt{'aner'}.'<br />'; 416: } 417: } else { 418: my $colspan=$maxdepth+1; 419: #JW 420: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 421: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 422: var symbparm = symb+':::'+idx 423: var prevparm = "" 424: if (newflag == 1) { 425: prevparm = "&previous="+previous 426: } 427: if (caller == 'studentdelete') { 428: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 429: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 430: } 431: } else { 432: if (caller == 'seeiddelete') { 433: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 434: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 435: } 436: } 437: } 438: } 439: |); 440: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 441: "\n".'<table class="LC_discussion">'; 442: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 443: $newpostsflag,$group, 444: $prevread,$markondisp); 445: my $escsymb=&escape($ressymb); 446: my $numhidden = keys(%notshown); 447: if ($numhidden > 0) { 448: my $colspan = $maxdepth+1; 449: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 450: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 451: if ($newpostsflag) { 452: $discussion .= '&previous='.$prevread; 453: } 454: $discussion .= &group_args($group); 455: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 456: $numhidden.' '; 457: if ($showunmark) { 458: $discussion .= &mt('posts previously marked read'); 459: } else { 460: $discussion .= &mt('previously viewed posts'); 461: } 462: $discussion .= '<br/></td></tr>'; 463: } 464: } 465: 466: # Choose sort mechanism 467: my @showposts = (); 468: if ($sortposts eq 'descdate') { 469: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 470: } elsif ($sortposts eq 'thread') { 471: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 472: } elsif ($sortposts eq 'subject') { 473: foreach my $key (sort(keys(%subjectsort))) { 474: push(@showposts, @{$subjectsort{$key}}); 475: } 476: } elsif ($sortposts eq 'username') { 477: foreach my $domain (sort(keys(%usernamesort))) { 478: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 479: push(@showposts, @{$usernamesort{$domain}{$key}}); 480: } 481: } 482: } elsif ($sortposts eq 'lastfirst') { 483: foreach my $last (sort(keys(%namesort))) { 484: foreach my $key (sort(keys(%{$namesort{$last}}))) { 485: push(@showposts, @{$namesort{$last}{$key}}); 486: } 487: } 488: } else { 489: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 490: } 491: my $currdepth = 0; 492: my $firstidx = $alldiscussion{$showposts[0]}; 493: foreach my $post (@showposts) { 494: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 495: $alldiscussion{$post} = $post; 496: } 497: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 498: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 499: $discussion.="\n<tr>"; 500: } 501: my $thisdepth=$depth[$alldiscussion{$post}]; 502: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 503: for (1..$thisdepth) { 504: $discussion.='<td>   </td>'; 505: } 506: } 507: my $colspan=$maxdepth-$thisdepth+1; 508: if ($outputtarget eq 'tex') { 509: #cleanup block 510: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 511: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 512: my $threadinsert=''; 513: if ($thisdepth > 0) { 514: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 515: } 516: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 517: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 519: 520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 521: $discussion.=$discussionitems[$alldiscussion{$post}]; 522: } elsif ($outputtarget eq 'export') { 523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 524: if ($manifestok) { 525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 526: print $manifestfile ' </item>'."\n"; 527: } 528: $currdepth = $depth[$alldiscussion{$post}]; 529: print $manifestfile "\n". 530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 533: $imsresources .= "\n". 534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 535: '<file href="'.$postfilename.'">'."\n". 536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 537: '</resource>'; 538: } 539: my $postingfile; 540: my $postingfilename = $tempexport.'/'.$postfilename; 541: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 543: $imsitems{$alldiscussion{$post}}{'title'}.' '. 544: $imsitems{$alldiscussion{$post}}{'sender'}. 545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 548: close($postingfile); 549: } else { 550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 551: } 552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 553: } else { 554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 556: '</td></tr>'; 557: } 558: } 559: } 560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 561: my $colspan=$maxdepth+1; 562: $discussion .= <<END; 563: <tr bgcolor="#FFFFFF"> 564: <td colspan="$colspan" class="LC_disc_action_links_bar"> 565: <table class="LC_disc_action_table"> 566: <tr> 567: <td align="left"> 568: <table border="0" cellpadding="0" cellspacing="4"> 569: <tr> 570: <td> 571: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 572: <td> </td> 573: <td><font size="-1"> 574: END 575: if ($newpostsflag) { 576: $discussion .= 577: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 578: if ($dischash{$toggkey}) { 579: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 580: } 581: } else { 582: if ($dischash{$toggkey}) { 583: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 584: } else { 585: $discussion .= 586: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 587: } 588: } 589: $discussion .= <<END; 590: </font></td> 591: <td> </td> 592: <td align="left"> 593: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 594: </td> 595: </tr> 596: </table> 597: </td> 598: END 599: if ($sortposts) { 600: my %sort_types = (); 601: my %role_types = (); 602: my %status_types = (); 603: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 604: 605: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 606: if (defined($env{'form.totposters'})) { 607: $discussion .= &mt('Posts by').':'; 608: if ($totposters > 0) { 609: foreach my $poster (@posters) { 610: $discussion .= ' '.$poster.','; 611: } 612: $discussion =~ s/,$//; 613: } else { 614: $discussion .= &mt('None selected'); 615: } 616: } else { 617: my $filterchoice =''; 618: if (@sectionpick > 0) { 619: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 620: $filterchoice .= '    '; 621: } 622: if (@grouppick > 0) { 623: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 624: $filterchoice .= '    '; 625: } 626: if (@rolefilter > 0) { 627: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 628: foreach my $role (@rolefilter) { 629: $filterchoice .= ' '.$role_types{$role}.','; 630: } 631: $filterchoice =~ s/,$//; 632: $filterchoice .= '<br />'.(' ' x8); 633: } 634: if ($statusfilter) { 635: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 636: } 637: if ($filterchoice) { 638: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 639: } 640: $discussion .= '</font></td>'; 641: } 642: } 643: if ($dischash{$toggkey}) { 644: my $storebutton = &mt('Save read/unread changes'); 645: $discussion.='<td align="right">'. 646: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 647: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 648: ' onclick="this.form.submit();" />'."\n". 649: '</td>'; 650: } 651: $discussion .= (<<END); 652: </tr> 653: </table> 654: </td> 655: </tr> 656: END 657: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 658: $newpostsflag,$group, 659: $prevread,$markondisp); 660: $discussion .= " 661: </table> 662: <br /><br /></form>\n"; 663: } 664: if ($outputtarget eq 'export') { 665: if ($manifestok) { 666: while ($currdepth > 0) { 667: print $manifestfile " </item>\n"; 668: $currdepth --; 669: } 670: print $manifestfile qq| 671: </organization> 672: </organizations> 673: <resources> 674: $imsresources 675: </resources> 676: </manifest> 677: |; 678: close($manifestfile); 679: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 680: $discussion = $copyresult; 681: } else { 682: 683: #Create zip file in prtspool 684: 685: my $imszipfile = '/prtspool/'. 686: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 687: time.'_'.rand(1000000000).'.zip'; 688: my $cwd = &getcwd(); 689: my $imszip = '/home/httpd/'.$imszipfile; 690: chdir $tempexport; 691: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 692: close(OUTPUT); 693: chdir $cwd; 694: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 695: if ($copyresult) { 696: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 697: } 698: } 699: } else { 700: $discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />'; 701: } 702: return $discussion; 703: } 704: } 705: if ($discussiononly) { 706: my $now = time; 707: my $attachnum = 0; 708: my $currnewattach = []; 709: my $currdelold = []; 710: my $comment = ''; 711: my $subject = ''; 712: if ($env{'form.origpage'}) { 713: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 714: $subject = &unescape($env{'form.subject'}); 715: $comment = &unescape($env{'form.comment'}); 716: my @keepold = (); 717: &process_attachments($currnewattach,$currdelold,\@keepold); 718: if (@{$currnewattach} > 0) { 719: $attachnum += @{$currnewattach}; 720: } 721: } 722: if (&discussion_open($status)) { 723: if (($group ne '') && ($mode eq 'board')) { 724: if (&check_group_priv($group,'pgd') eq 'ok') { 725: $discussion .= 726: &postingform_display($mode,$ressymb,$now,$subject, 727: $comment,$outputtarget,$attachnum, 728: $currnewattach,$currdelold, 729: $group,$crstype); 730: } 731: } else { 732: $discussion.= 733: &postingform_display($mode,$ressymb,$now,$subject, 734: $comment,$outputtarget,$attachnum, 735: $currnewattach,$currdelold,'',$crstype); 736: } 737: } 738: } else { 739: $discussion.='<div class="LC_feedback_link">'; 740: if (&discussion_open($status) && 741: &Apache::lonnet::allowed('pch', 742: $env{'request.course.id'}. 743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 744: if ($outputtarget ne 'tex') { 745: $discussion.= &send_feedback_link($ressymb,$target); 746: } 747: } 748: if ($outputtarget ne 'tex') { 749: $discussion.= &send_message_link($ressymb); 750: } 751: $discussion.='</div>'; 752: } 753: return $discussion; 754: } 755: 756: sub send_feedback_link { 757: my ($ressymb,$target) = @_; 758: my $output = '<span class="LC_feedback_link">'. 759: ' <a href="/adm/feedback?replydisc='. 760: &escape($ressymb).':::" '.$target.'>'. 761: '<img alt="" class="LC_noBorder" src="'. 762: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 763: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>'; 764: return $output; 765: } 766: 767: sub send_message_link { 768: my ($ressymb) = @_; 769: my $output = '<span class="LC_message_link">'. 770: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 771: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 772: &Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png'). 773: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 774: return $output; 775: } 776: 777: sub action_links_bar { 778: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 779: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 780: '<table width="100%" class="LC_disc_action_table"><tr>'. 781: '<td class="LC_disc_action_left">'; 782: my $escsymb=&escape($ressymb); 783: if ($visible>2) { 784: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 785: if ($newpostsflag) { 786: $discussion .= '&previous='.$prevread; 787: } 788: $discussion .= &group_args($group); 789: $discussion .='">'.&mt('Threaded View').'</a>  '. 790: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 791: if ($newpostsflag) { 792: $discussion .= '&previous='.$prevread; 793: } 794: $discussion .= &group_args($group); 795: $discussion .='">'.&mt('Chronological View').'</a>   796: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 797: if ($newpostsflag) { 798: $discussion .= '&previous='.$prevread; 799: } 800: $discussion .= &group_args($group); 801: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 802: } 803: $discussion .='<a href="/adm/feedback?export='.$escsymb; 804: if ($newpostsflag) { 805: $discussion .= '&previous='.$prevread; 806: } 807: $discussion .= &group_args($group); 808: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 809: if ($newpostsflag) { 810: if (!$markondisp) { 811: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 812: $discussion .= &group_args($group); 813: $discussion .= '">'. 814: &mt('Preferences on what is marked as NEW'). 815: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 816: $discussion .= &group_args($group); 817: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 818: } else { 819: $discussion .= '<td> </td>'; 820: } 821: } else { 822: $discussion .= '<td> </td>'; 823: } 824: $discussion .= '</tr></table></td></tr>'; 825: return $discussion; 826: } 827: 828: sub postingform_display { 829: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 830: $currnewattach,$currdelold,$group,$crstype) = @_; 831: my $newattachmsg; 832: my %lt = &Apache::lonlocal::texthash( 833: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 834: 'title' => 'Title', 835: 'podi' => 'Post Discussion', 836: 'poan' => 'Post Anonymous Discussion', 837: 'newa' => 'New attachments', 838: ); 839: if ($crstype eq 'Community') { 840: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 841: } 842: my $postingform = (<<ENDDISCUSS); 843: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 844: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 845: <input type="hidden" name="sendit" value="true" /> 846: <input type="hidden" name="timestamp" value="$now" /> 847: <br /><a name="newpost"></a> 848: <font size="1">$lt{'note'}</font><br /> 849: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 850: <textarea name="comment" cols="80" rows="14" >$comment</textarea> 851: ENDDISCUSS 852: if ($env{'form.origpage'}) { 853: $postingform .= '<input type="hidden" name="origpage" value="'. 854: $env{'form.origpage'}.'" />'."\n"; 855: foreach my $att (@{$currnewattach}) { 856: $postingform .= '<input type="hidden" name="currnewattach" '. 857: 'value="'.$att.'" />'."\n"; 858: } 859: } 860: if (exists($env{'form.ref'})) { 861: $postingform .= '<input type="hidden" name="ref" value="'. 862: $env{'form.ref'}.'" />'; 863: } 864: if ($group ne '') { 865: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 866: } 867: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 868: if (!$blockblog) { 869: $postingform .= &add_blog_checkbox($crstype); 870: } 871: $postingform .= "</form>\n"; 872: if ($outputtarget ne 'tex') { 873: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 874: $now,$currnewattach, 875: $currdelold,'',$mode, 876: $blockblog); 877: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 878: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 879: if (@{$currnewattach} > 1) { 880: $newattachmsg .= '<ol>'; 881: foreach my $item (@{$currnewattach}) { 882: $item =~ m#.*/([^/]+)$#; 883: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 884: } 885: $newattachmsg .= '</ol>'."\n"; 886: } else { 887: $$currnewattach[0] =~ m#.*/([^/]+)$#; 888: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 889: } 890: } 891: $postingform .= $newattachmsg; 892: $postingform .= &generate_preview_button(); 893: } 894: return $postingform; 895: } 896: 897: sub build_posting_display { 898: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 899: my @original=(); 900: my @index=(); 901: my $skip_group_check = 0; 902: my $symb=&Apache::lonenc::check_decrypt($ressymb); 903: my $escsymb=&escape($ressymb); 904: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 905: $env{'course.'.$env{'request.course.id'}.'.domain'}, 906: $env{'course.'.$env{'request.course.id'}.'.num'}); 907: 908: my $see_anonymous = 909: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 910: 911: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 912: $skip_group_check = 1; 913: } 914: if ($contrib{'version'}) { 915: my $oldest = $contrib{'1:timestamp'}; 916: if ($prevread eq '0') { 917: $prevread = $oldest-1; 918: } 919: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 920: if ($sortposts) { 921: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 922: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 923: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 924: } 925: for (my $id=1;$id<=$contrib{'version'};$id++) { 926: my $idx=$id; 927: my $posttime = $contrib{$idx.':timestamp'}; 928: if ($prevread <= $posttime) { 929: $$newpostsflag = 1; 930: } 931: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 932: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 933: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 934: my $origindex='0.'; 935: my $numoldver=0; 936: if ($contrib{$idx.':replyto'}) { 937: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 938: # this is a follow-up message 939: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 940: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 941: $origindex=$index[$contrib{$idx.':replyto'}]; 942: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 943: } else { 944: $original[$idx]=0; 945: $$depth[$idx]=0; 946: } 947: } else { 948: # this is an original message 949: $original[$idx]=0; 950: $$depth[$idx]=0; 951: } 952: if ($$replies[$$depth[$idx]]) { 953: $$replies[$$depth[$idx]]++; 954: } else { 955: $$replies[$$depth[$idx]]=1; 956: } 957: unless ((($hidden) && (!$seeid)) || ($deleted)) { 958: $$visible++; 959: if ($contrib{$idx.':history'}) { 960: if ($contrib{$idx.':history'} =~ /:/) { 961: my @oldversions = split(/:/,$contrib{$idx.':history'}); 962: $numoldver = @oldversions; 963: } else { 964: $numoldver = 1; 965: } 966: } 967: $$current = $numoldver; 968: my %messages = (); 969: my %subjects = (); 970: my %attachtxt = (); 971: my %allattachments = (); 972: my ($screenname,$plainname); 973: my $sender = &mt('Anonymous'); 974: # Anonymous users getting number within a discussion 975: # Since idx is in static order, this should give the same sequence every time. 976: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 977: unless ($$anonhash{$key}) { 978: $anoncnt++; 979: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 980: } 981: my ($message,$subject,$vgrlink,$ctlink); 982: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 983: 984: 985: # Set up for sorting by subject 986: unless ($outputtarget eq 'export') { 987: $message=$messages{$numoldver}; 988: $message.=$attachtxt{$numoldver}; 989: $subject=$subjects{$numoldver}; 990: if ($message) { 991: if ($hidden) { 992: $message='<font color="#888888">'.$message.'</font>'; 993: if ($studenthidden) { 994: $message .='<br /><br />Deleted by poster (student).'; 995: } 996: } 997: 998: if ($subject eq '') { 999: if (defined($$subjectsort{'__No subject'})) { 1000: push(@{$$subjectsort{'__No subject'}}, $idx); 1001: } else { 1002: @{$$subjectsort{'__No subject'}} = ("$idx"); 1003: } 1004: } else { 1005: if (defined($$subjectsort{$subject})) { 1006: push(@{$$subjectsort{$subject}}, $idx); 1007: } else { 1008: @{$$subjectsort{$subject}} = ("$idx"); 1009: } 1010: } 1011: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1012: $sender=&Apache::loncommon::aboutmewrapper( 1013: $plainname, 1014: $contrib{$idx.':sendername'}, 1015: $contrib{$idx.':senderdomain'}).' ('. 1016: $contrib{$idx.':sendername'}.':'. 1017: $contrib{$idx.':senderdomain'}.')'; 1018: if ($contrib{$idx.':anonymous'}) { 1019: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1020: $screenname; 1021: } 1022: if ($see_anonymous) { 1023: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1024: } 1025: # Set up for sorting by domain, then username 1026: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1027: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1028: } 1029: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1030: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1031: } else { 1032: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1033: } 1034: # Set up for sorting by last name, then first name 1035: my %names = &Apache::lonnet::get('environment', 1036: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1037: ,$contrib{$idx.':sendername'}); 1038: my $lastname = $names{'lastname'}; 1039: my $firstname = $names{'firstname'}; 1040: if ($lastname eq '') { 1041: $lastname = '_'; 1042: } 1043: if ($firstname eq '') { 1044: $firstname = '_'; 1045: } 1046: unless (defined($$namesort{$lastname})) { 1047: %{$$namesort{$lastname}} = (); 1048: } 1049: if (defined($$namesort{$lastname}{$firstname})) { 1050: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1051: } else { 1052: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1053: } 1054: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1055: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1056: $sender.=' <a href="/adm/feedback?editdisc='. 1057: $escsymb.':::'.$idx; 1058: if ($$newpostsflag) { 1059: $sender .= '&previous='.$prevread; 1060: } 1061: $sender .= &group_args($group); 1062: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1063: 1064: unless ($seeid) { 1065: my $grpargs = &group_args($group); 1066: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1067: $sender .= '">'.&mt('Delete').'</a>'; 1068: } 1069: } 1070: } 1071: if ($seeid) { 1072: if ($hidden) { 1073: unless ($studenthidden) { 1074: $sender.=' <a href="/adm/feedback?unhide='. 1075: $escsymb.':::'.$idx; 1076: if ($$newpostsflag) { 1077: $sender .= '&previous='.$prevread; 1078: } 1079: $sender .= '">'.&mt('Make Visible').'</a>'; 1080: } 1081: } else { 1082: $sender.=' <a href="/adm/feedback?hide='. 1083: $escsymb.':::'.$idx; 1084: if ($$newpostsflag) { 1085: $sender .= '&previous='.$prevread; 1086: } 1087: $sender .= &group_args($group); 1088: $sender .= '">'.&mt('Hide').'</a>'; 1089: } 1090: my $grpargs = &group_args($group); 1091: $sender.= 1092: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1093: $sender .= &mt('Delete').'</a>'; 1094: } 1095: } else { 1096: if ($screenname) { 1097: $sender='<i>'.$screenname.'</i>'; 1098: } else { 1099: $sender='<i>'.$$anonhash{$key}.'</i>'; 1100: } 1101: # Set up for sorting by domain, then username for anonymous 1102: unless (defined($$usernamesort{'__anon'})) { 1103: %{$$usernamesort{'__anon'}} = (); 1104: } 1105: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1106: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1107: } else { 1108: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1109: } 1110: # Set up for sorting by last name, then first name for anonymous 1111: unless (defined($$namesort{'__anon'})) { 1112: %{$$namesort{'__anon'}} = (); 1113: } 1114: if (defined($$namesort{'__anon'}{'__anon'})) { 1115: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1116: } else { 1117: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1118: } 1119: } 1120: if (&discussion_open($status)) { 1121: if (($group ne '') && 1122: (&check_group_priv($group,'pgd') eq 'ok')) { 1123: $sender.=' <a href="/adm/feedback?replydisc='. 1124: $escsymb.':::'.$idx; 1125: if ($$newpostsflag) { 1126: $sender .= '&previous='.$prevread; 1127: } 1128: $sender .= &group_args($group); 1129: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1130: } elsif (&Apache::lonnet::allowed('pch', 1131: $env{'request.course.id'}. 1132: ($env{'request.course.sec'}?'/'. 1133: $env{'request.course.sec'}:''))) { 1134: $sender.=' <a href="/adm/feedback?replydisc='. 1135: $escsymb.':::'.$idx; 1136: if ($$newpostsflag) { 1137: $sender .= '&previous='.$prevread; 1138: } 1139: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1140: } 1141: } 1142: if ($viewgrades) { 1143: $vgrlink=&Apache::loncommon::submlink('Submissions', 1144: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1145: } 1146: if ($$dischash{$readkey}=~/\.$idx\./) { 1147: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1148: } else { 1149: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1150: } 1151: } 1152: #figure out at what position this needs to print 1153: } 1154: if ($outputtarget eq 'export' || $message) { 1155: my $thisindex=$idx; 1156: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1157: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1158: } 1159: $$alldiscussion{$thisindex}=$idx; 1160: $$shown{$idx} = 0; 1161: $index[$idx]=$thisindex; 1162: } 1163: if ($outputtarget eq 'export') { 1164: %{$$imsitems{$idx}} = (); 1165: $$imsitems{$idx}{'isvisible'}='true'; 1166: if ($hidden) { 1167: $$imsitems{$idx}{'isvisible'}='false'; 1168: } 1169: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1170: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1171: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1172: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1173: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1174: $contrib{$idx.':sendername'}.':'. 1175: $contrib{$idx.':senderdomain'}.')'; 1176: $$imsitems{$idx}{'isanonymous'}='false'; 1177: if ($contrib{$idx.':anonymous'}) { 1178: $$imsitems{$idx}{'isanonymous'}='true'; 1179: } 1180: $$imsitems{$idx}{'currversion'}=$numoldver; 1181: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1182: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1183: $$shown{$idx} = 1; 1184: } 1185: } else { 1186: if ($message) { 1187: my $spansize = 2; 1188: if ($showonlyunread && $prevread > $posttime) { 1189: $$notshown{$idx} = 1; 1190: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1191: $$notshown{$idx} = 1; 1192: } else { 1193: # apply filters 1194: my $uname = $contrib{$idx.':sendername'}; 1195: my $udom = $contrib{$idx.':senderdomain'}; 1196: my $poster = $uname.':'.$udom; 1197: if ($env{'form.totposters'} ne '') { 1198: if ($totposters == 0) { 1199: $$shown{$idx} = 0; 1200: } elsif ($totposters > 0) { 1201: if (grep/^$poster$/,@{$posters}) { 1202: $$shown{$idx} = 1; 1203: } 1204: } 1205: } elsif ($sortposts) { 1206: if ($skiptest) { 1207: $$shown{$idx} = 1; 1208: } else { 1209: foreach my $role (@{$$roleinfo{$poster}}) { 1210: if ($role =~ /^cc:/) { 1211: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1212: if ($role =~ /$cc_regexp/) { 1213: $$shown{$idx} = 1; 1214: last; 1215: } 1216: } elsif ($role =~ /^$rolematch$/) { 1217: $$shown{$idx} = 1; 1218: last; 1219: } 1220: } 1221: } 1222: if ($$shown{$idx} && !$skip_group_check) { 1223: my $showflag = 0; 1224: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1225: foreach my $grp (@{$grouppick}) { 1226: if (grep/^\Q$grp\E$/, 1227: keys(%{$$classgroups{$poster}{active}})) { 1228: $showflag = 1; 1229: last; 1230: } 1231: } 1232: } 1233: if ($showflag) { 1234: $$shown{$idx} = 1; 1235: } else { 1236: $$shown{$idx} = 0; 1237: } 1238: } 1239: } else { 1240: $$shown{$idx} = 1; 1241: } 1242: } 1243: unless ($$notshown{$idx} == 1) { 1244: if ($prevread > 0 && $prevread <= $posttime) { 1245: $$newitem{$idx} = 1; 1246: $$discussionitems[$idx] .= ' 1247: <table border="0" width="100%"> 1248: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>'; 1249: } else { 1250: $$newitem{$idx} = 0; 1251: $$discussionitems[$idx] .= ' 1252: <table border="0" width="100%"> 1253: <tr><td align="left"> </td>'; 1254: } 1255: $$discussionitems[$idx] .= '<td align="left">  '. 1256: '<b>'.$subject.'</b>  '. 1257: '<b>'.$sender.'</b> '.$vgrlink.' ('. 1258: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1259: if ($$dischash{$toggkey}) { 1260: $$discussionitems[$idx].='<td align="right">  '. 1261: $ctlink.'</td>'; 1262: } 1263: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1264: $message.'</blockquote>'; 1265: if ($contrib{$idx.':history'}) { 1266: my @postversions = (); 1267: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1268: if ($seeid) { 1269: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1270: $$discussionitems[$idx] .= &group_args($group); 1271: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1272: } 1273: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1274: if ($contrib{$idx.':history'} =~ m/:/) { 1275: @postversions = split(/:/,$contrib{$idx.':history'}); 1276: } else { 1277: @postversions = ("$contrib{$idx.':history'}"); 1278: } 1279: for (my $i=0; $i<@postversions; $i++) { 1280: my $version = $i+1; 1281: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1282: } 1283: } 1284: } 1285: } 1286: } 1287: } 1288: } 1289: } 1290: } 1291: 1292: sub filter_regexp { 1293: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1294: my ($roleregexp,$secregexp,$statusregexp); 1295: my $skiptest = 1; 1296: if (@{$rolefilter} > 0) { 1297: my @okrolefilter = (); 1298: foreach my $role (@{$rolefilter}) { 1299: unless ($role eq '') { 1300: push(@okrolefilter, $role); 1301: } 1302: } 1303: if (@okrolefilter > 0) { 1304: if (grep/^all$/,@okrolefilter) { 1305: $roleregexp='[^:]+'; 1306: } else { 1307: if (@okrolefilter == 1) { 1308: $roleregexp=$okrolefilter[0]; 1309: } else { 1310: $roleregexp='('.join('|',@okrolefilter).')'; 1311: } 1312: $skiptest = 0; 1313: } 1314: } 1315: } 1316: if (@{$sectionpick} > 0) { 1317: my @oksectionpick = (); 1318: foreach my $sec (@{$sectionpick}) { 1319: unless ($sec eq '') { 1320: push(@oksectionpick, $sec); 1321: } 1322: } 1323: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1324: if (@oksectionpick == 1) { 1325: $secregexp = $oksectionpick[0]; 1326: } else { 1327: $secregexp .= '('.join('|',@oksectionpick).')'; 1328: } 1329: $skiptest = 0; 1330: } else { 1331: $secregexp .= '[^:]*'; 1332: } 1333: } 1334: 1335: if (defined($statusfilter) && $statusfilter ne '') { 1336: if ($statusfilter eq 'all') { 1337: $statusregexp = '[^:]+'; 1338: } else { 1339: $statusregexp = $statusfilter; 1340: $skiptest = 0; 1341: } 1342: } 1343: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1344: } 1345: 1346: 1347: sub get_post_contents { 1348: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1349: my $discussion = ''; 1350: my $start=$numver; 1351: my $end=$numver + 1; 1352: %{$$imsfiles{$idx}}=(); 1353: if ($type eq 'allversions') { 1354: unless($seeid) { 1355: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1356: return $discussion; 1357: } 1358: } 1359: # $$screenname=&Apache::loncommon::screenname( 1360: # $$contrib{$idx.':sendername'}, 1361: # $$contrib{$idx.':senderdomain'}); 1362: $$plainname=&Apache::loncommon::nickname( 1363: $$contrib{$idx.':sendername'}, 1364: $$contrib{$idx.':senderdomain'}); 1365: $$screenname=$$contrib{$idx.':screenname'}; 1366: 1367: my $sender=&Apache::loncommon::aboutmewrapper( 1368: $$plainname, 1369: $$contrib{$idx.':sendername'}, 1370: $$contrib{$idx.':senderdomain'}).' ('. 1371: $$contrib{$idx.':sendername'}.':'. 1372: $$contrib{$idx.':senderdomain'}.')'; 1373: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1374: my @postversions = (); 1375: if ($type eq 'allversions' || $type eq 'export') { 1376: $start = 0; 1377: if ($$contrib{$idx.':history'}) { 1378: @postversions = split(/:/,$$contrib{$idx.':history'}); 1379: } 1380: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1381: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1382: push(@postversions,$$contrib{$idx.':timestamp'}); 1383: $end = @postversions; 1384: } else { 1385: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1386: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1387: } 1388: 1389: if ($$contrib{$idx.':anonymous'}) { 1390: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1391: } 1392: if ($type eq 'allversions') { 1393: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1394: } 1395: for (my $i=$start; $i<$end; $i++) { 1396: my ($timesent,$attachmsg); 1397: my %currattach = (); 1398: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1399: unless (&contains_block_html($messages->{$i})) { 1400: &newline_to_br(\$messages->{$i}); 1401: } 1402: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1403: $$subjects{$i}=~s/\n/\<br \/\>/g; 1404: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1405: if ($attachmenturls) { 1406: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1407: } 1408: if ($type eq 'export') { 1409: $$imsfiles{$idx}{$i} = ''; 1410: if ($attachmsg) { 1411: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1412: foreach my $key (sort(keys(%currattach))) { 1413: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1414: my $fname = $1.$3.'/'.$4; 1415: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1416: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1417: } 1418: } 1419: } 1420: } else { 1421: if ($attachmsg) { 1422: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1423: } else { 1424: $$attachtxt{$i} = ''; 1425: } 1426: } 1427: if ($type eq 'allversions') { 1428: $discussion.= <<"END"; 1429: <li><b>$$subjects{$i}</b>, $timesent<br /> 1430: $$messages{$i}<br /> 1431: $$attachtxt{$i}</li> 1432: END 1433: } 1434: } 1435: if ($type eq 'allversions') { 1436: $discussion.='</ul>'; 1437: return $discussion; 1438: } else { 1439: return; 1440: } 1441: } 1442: 1443: sub replicate_attachments { 1444: my ($attachrefs,$tempexport) = @_; 1445: my $response; 1446: foreach my $id (keys(%{$attachrefs})) { 1447: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1448: my $path = $tempexport; 1449: my $tail = $1.'/'.$2.$4; 1450: my @extras = split(/\//,$tail); 1451: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1452: if (!-e $destination) { 1453: my $i= 0; 1454: while ($i<@extras) { 1455: $path .= '/'.$extras[$i]; 1456: if (!-e $path) { 1457: mkdir($path,0700); 1458: } 1459: $i ++; 1460: } 1461: my ($content,$rtncode); 1462: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1463: if ($uploadreply eq 'ok') { 1464: my $attachcopy; 1465: if ($attachcopy = Apache::File->new('>'.$destination)) { 1466: print $attachcopy $content; 1467: close($attachcopy); 1468: } else { 1469: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1470: } 1471: } else { 1472: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1473: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1474: } 1475: } 1476: } 1477: } 1478: return $response; 1479: } 1480: 1481: sub mail_screen { 1482: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1483: if (exists($env{'form.origpage'})) { 1484: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1485: } 1486: 1487: my %lt = &Apache::lonlocal::texthash( 1488: 'myqu' => 'My question/comment/feedback:', 1489: 'title' => 'Title', 1490: 'reta' => 'Retained attachments', 1491: 'atta' => 'Attachment', 1492: ); 1493: my $restitle = &get_resource_title($caller_symb,$feedurl); 1494: my $quote=''; 1495: my $subject = ''; 1496: my $comment = ''; 1497: my $prevtag = ''; 1498: my $parentmsg = ''; 1499: my ($symb,$idx,$attachmenturls); 1500: my $numoldver = 0; 1501: my $attachmsg = ''; 1502: my $newattachmsg = ''; 1503: my @currnewattach = (); 1504: my @currdelold = (); 1505: my @keepold = (); 1506: my %attachments = (); 1507: my %currattach = (); 1508: my $attachnum = 0; 1509: my $anonchk = (<<END); 1510: function anonchk() { 1511: for (var i=0; i < document.mailform.discuss.length; i++) { 1512: if (document.mailform.discuss[i].checked) { 1513: document.attachment.discuss.value = 1514: document.mailform.discuss[i].value; 1515: } 1516: } 1517: if (document.mailform.blog.checked) { 1518: document.attachment.blog.value = 1; 1519: } 1520: return 1521: } 1522: END 1523: my $anonscript; 1524: if (exists($env{'form.origpage'})) { 1525: $anonscript = (<<END); 1526: function setposttype() { 1527: var disc = "$env{'form.discuss'}"; 1528: for (var i=0; i < document.mailform.discuss.length; i++) { 1529: if (disc == document.mailform.discuss[i].value) { 1530: document.mailform.discuss[i].checked = 1; 1531: } 1532: } 1533: var blog = "$env{'form.blog'}"; 1534: if (blog == 1) { 1535: document.mailform.blog.checked=1; 1536: } 1537: return 1538: } 1539: END 1540: } else { 1541: $anonscript = (<<END); 1542: function setposttype() { 1543: return 1544: } 1545: END 1546: } 1547: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1548: if ($env{'form.replydisc'}) { 1549: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1550: } else { 1551: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1552: } 1553: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1554: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1555: $env{'course.'.$env{'request.course.id'}.'.num'}); 1556: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1557: if ($contrib{$idx.':history'}) { 1558: if ($contrib{$idx.':history'} =~ /:/) { 1559: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1560: $numoldver = @oldversions; 1561: } else { 1562: $numoldver = 1; 1563: } 1564: } 1565: if ($env{'form.replydisc'}) { 1566: if ($contrib{$idx.':history'}) { 1567: if ($contrib{$idx.':history'} =~ /:/) { 1568: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1569: $numoldver = @oldversions; 1570: } else { 1571: $numoldver = 1; 1572: } 1573: } 1574: if ($idx > 0) { 1575: my %msgversions = (); 1576: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1577: $quote = $msgversions{$numoldver}; 1578: } 1579: if ($idx > 0) { 1580: my %subversions = (); 1581: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1582: $subject = &mt('Re: ').$subversions{$numoldver}; 1583: } 1584: $subject = &HTML::Entities::encode($subject,'<>&"'); 1585: } else { 1586: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1587: if ($idx > 0) { 1588: my %msgversions = (); 1589: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1590: $comment = $msgversions{$numoldver}; 1591: my %subversions = (); 1592: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1593: $subject = $subversions{$numoldver}; 1594: } 1595: if (defined($contrib{$idx.':replyto'})) { 1596: $parentmsg = $contrib{$idx.':replyto'}; 1597: } 1598: unless (exists($env{'form.origpage'})) { 1599: my $anonflag = 'nonanon'; 1600: if ($contrib{$idx.':anonymous'}) { 1601: $anonflag = 'anon'; 1602: } 1603: $anonscript = (<<END); 1604: function setposttype () { 1605: var currtype = "$anonflag"; 1606: for (var i=0; i<document.mailform.discuss.length; i++) { 1607: if (document.mailform.elements.discuss[i].value == currtype ) { 1608: document.mailform.elements.discuss[i].checked=1; 1609: } 1610: } 1611: return 1612: } 1613: END 1614: } 1615: } 1616: } 1617: if ($env{'form.previous'}) { 1618: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1619: } 1620: } 1621: 1622: if ($env{'form.origpage'}) { 1623: $subject = &unescape($env{'form.subject'}); 1624: $comment = &unescape($env{'form.comment'}); 1625: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1626: } 1627: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1628: my $send=&mt('Send'); 1629: my $alert = &mt('Please select a feedback type.'); 1630: my $js= <<END; 1631: <script type="text/javascript"> 1632: // 1666: </script> 1667: END 1668: 1669: # Breadcrumbs 1670: my $brcrum = [{'href' => '', 1671: 'text' => 'Resource Feedback and Discussion'}]; 1672: 1673: my %onload = ('onload' => 'window.focus();setposttype();'); 1674: my $start_page= 1675: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1676: {'add_entries' => \%onload, 1677: 'bread_crumbs' => $brcrum,}); 1678: 1679: if ($quote ne '') { 1680: $quote = &HTML::Entities::decode($quote); 1681: unless (&contains_block_html($quote)) { 1682: &newline_to_br(\$quote); 1683: } 1684: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1685: } 1686: 1687: $r->print(<<END); 1688: $start_page 1689: <h2><tt>$restitle</tt></h2> 1690: <form action="/adm/feedback" method="post" name="mailform" 1691: enctype="multipart/form-data"> 1692: $prevtag 1693: <input type="hidden" name="postdata" value="$feedurl" /> 1694: END 1695: if ($env{'form.replydisc'}) { 1696: $r->print(<<END); 1697: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1698: END 1699: } elsif ($env{'form.editdisc'}) { 1700: $r->print(<<END); 1701: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1702: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1703: END 1704: } 1705: $r->print(<<END); 1706: $options<hr /> 1707: $quote 1708: <p>$lt{'myqu'}</p> 1709: <p> 1710: $latexHelp 1711: </p> 1712: <p> 1713: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1714: <p> 1715: <textarea name="comment" id="comment" cols="60" rows="10">$comment 1716: </textarea></p> 1717: END 1718: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1719: if ($env{'form.origpage'}) { 1720: foreach my $attach (@currnewattach) { 1721: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1722: } 1723: foreach my $oldatt (@currdelold) { 1724: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1725: } 1726: } 1727: if ($env{'form.editdisc'}) { 1728: if ($attachmenturls) { 1729: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1730: $attachnum = scalar(keys(%currattach)); 1731: foreach my $key (keys(%currattach)) { 1732: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1733: } 1734: } 1735: } 1736: } else { 1737: $r->print(<<END); 1738: <p> 1739: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1740: </p> 1741: END 1742: } 1743: if (exists($env{'form.group'})) { 1744: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1745: } 1746: if (exists($env{'form.ref'})) { 1747: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1748: } 1749: $r->print(<<END); 1750: <p> 1751: <input type="hidden" name="sendit" value="1" /> 1752: <input type="button" value="$send" onclick='gosubmit();' /> 1753: </p> 1754: </form> 1755: END 1756: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1757: my $now = time; 1758: my $ressymb = $symb; 1759: &Apache::lonenc::check_encrypt(\$ressymb); 1760: my $postidx = ''; 1761: if ($env{'form.editdisc'}) { 1762: $postidx = $idx; 1763: } 1764: if (@currnewattach > 0) { 1765: $attachnum += @currnewattach; 1766: } 1767: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1768: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1769: if ($attachnum > 0) { 1770: if (@currnewattach > 0) { 1771: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1772: if (@currnewattach > 1) { 1773: $newattachmsg .= '<ol>'; 1774: foreach my $item (@currnewattach) { 1775: $item =~ m#.*/([^/]+)$#; 1776: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1777: } 1778: $newattachmsg .= '</ol>'."\n"; 1779: } else { 1780: $currnewattach[0] =~ m#.*/([^/]+)$#; 1781: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1782: } 1783: } 1784: if ($attachmsg) { 1785: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1786: } 1787: if ($newattachmsg) { 1788: $r->print("$newattachmsg<br />"); 1789: } 1790: } 1791: } 1792: $r->print(&generate_preview_button(). 1793: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1794: &Apache::loncommon::end_page()); 1795: 1796: } 1797: 1798: sub print_display_options { 1799: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1800: &Apache::loncommon::content_type($r,'text/html'); 1801: $r->send_http_header; 1802: 1803: my $function = &Apache::loncommon::get_users_function(); 1804: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1805: $env{'user.domain'}); 1806: 1807: my %lt = &Apache::lonlocal::texthash( 1808: 'pref' => 'Display Preference', 1809: 'curr' => 'Current setting ', 1810: 'actn' => 'Action', 1811: 'deff' => 'Default for all discussions', 1812: 'prca' => 'Preferences can be set for this discussion that determine ....', 1813: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1814: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1815: 'wipa' => 'Whether individual posts can be marked as read/unread', 1816: 'allposts' => 'All posts', 1817: 'unread' => 'New posts only', 1818: 'unmark' => 'Posts not marked read', 1819: 'ondisp' => 'Once displayed', 1820: 'onmark' => 'Once marked not NEW', 1821: 'toggon' => 'Shown', 1822: 'toggoff' => 'Not shown', 1823: 'disa' => 'Posts displayed?', 1824: 'npmr' => 'New posts cease to be identified as "NEW"?', 1825: 'dotm' => 'Option to mark each post as read/unread?', 1826: 'chgt' => 'Change to ', 1827: 'mkdf' => 'Set to ', 1828: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1829: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1830: ); 1831: 1832: my $dispchangeA = $lt{'unread'}; 1833: my $dispchangeB = $lt{'unmark'}; 1834: my $markchange = $lt{'ondisp'}; 1835: my $toggchange = $lt{'toggon'}; 1836: my $currdisp = $lt{'allposts'}; 1837: my $currmark = $lt{'onmark'}; 1838: my $discdisp = 'allposts'; 1839: my $discmark = 'onmark'; 1840: my $currtogg = $lt{'toggoff'}; 1841: my $disctogg = 'toggoff'; 1842: 1843: if ($dispchgA eq 'allposts') { 1844: $dispchangeA = $lt{'allposts'}; 1845: $currdisp = $lt{'unread'}; 1846: $discdisp = 'unread'; 1847: } 1848: 1849: if ($markchg eq 'markonread') { 1850: $markchange = $lt{'onmark'}; 1851: $currmark = $lt{'ondisp'}; 1852: $discmark = 'ondisp'; 1853: } 1854: 1855: if ($dispchgB eq 'onlyunread') { 1856: $dispchangeB = $lt{'unread'}; 1857: $currdisp = $lt{'unmark'}; 1858: $discdisp = 'unmark'; 1859: } 1860: if ($toggchg eq 'toggoff') { 1861: $toggchange = $lt{'toggoff'}; 1862: $currtogg = $lt{'toggon'}; 1863: $disctogg = 'toggon'; 1864: } 1865: 1866: my $js = <<END; 1867: <script type="text/javascript"> 1868: function discdispChk(caller) { 1869: var disctogg = '$toggchg' 1870: if (caller == 0) { 1871: if (document.modifydisp.discdisp[0].checked == true) { 1872: if (document.modifydisp.discdisp[1].checked == true) { 1873: document.modifydisp.discdisp[1].checked = false 1874: } 1875: } 1876: } 1877: if (caller == 1) { 1878: if (document.modifydisp.discdisp[1].checked == true) { 1879: if (document.modifydisp.discdisp[0].checked == true) { 1880: document.modifydisp.discdisp[0].checked = false 1881: } 1882: if (disctogg == 'toggon') { 1883: document.modifydisp.disctogg.checked = true 1884: } 1885: if (disctogg == 'toggoff') { 1886: document.modifydisp.disctogg.checked = false 1887: } 1888: } 1889: } 1890: if (caller == 2) { 1891: var dispchgB = '$dispchgB' 1892: if (disctogg == 'toggoff') { 1893: if (document.modifydisp.disctogg.checked == true) { 1894: if (dispchgB == 'onlyunmark') { 1895: document.modifydisp.discdisp[1].checked = false 1896: } 1897: } 1898: } 1899: } 1900: } 1901: 1902: function setDisp() { 1903: var prev = "$previous" 1904: var chktotal = 0 1905: if (document.modifydisp.discdisp[0].checked == true) { 1906: document.modifydisp.$dispchgA.value = "$symb" 1907: chktotal ++ 1908: } 1909: if (document.modifydisp.discdisp[1].checked == true) { 1910: document.modifydisp.$dispchgB.value = "$symb" 1911: chktotal ++ 1912: } 1913: if (document.modifydisp.discmark.checked == true) { 1914: document.modifydisp.$markchg.value = "$symb" 1915: chktotal ++ 1916: } 1917: if (document.modifydisp.disctogg.checked == true) { 1918: document.modifydisp.$toggchg.value = "$symb" 1919: chktotal ++ 1920: } 1921: if (chktotal > 0) { 1922: document.modifydisp.submit() 1923: } else { 1924: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1925: if (prev > 0) { 1926: location.href = "$feedurl?previous=$previous" 1927: } else { 1928: location.href = "$feedurl" 1929: } 1930: } 1931: } 1932: } 1933: </script> 1934: END 1935: 1936: 1937: my $start_page = 1938: &Apache::loncommon::start_page('Discussion display options',$js); 1939: my $end_page = 1940: &Apache::loncommon::end_page(); 1941: $r->print(<<END); 1942: $start_page 1943: <form name="modifydisp" method="post" action="/adm/feedback"> 1944: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1945: <br /> 1946: END 1947: $r->print(&Apache::loncommon::start_data_table()); 1948: $r->print(<<END); 1949: <tr> 1950: <th>$lt{'pref'}</td> 1951: <th>$lt{'curr'}</td> 1952: <th>$lt{'actn'}?</td> 1953: </tr> 1954: END 1955: $r->print(&Apache::loncommon::start_data_table_row()); 1956: $r->print(<<END); 1957: <td>$lt{'disa'}</td> 1958: <td>$lt{$discdisp}</td> 1959: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1960: <br /> 1961: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1962: </td> 1963: END 1964: $r->print(&Apache::loncommon::end_data_table_row()); 1965: $r->print(&Apache::loncommon::start_data_table_row()); 1966: $r->print(<<END); 1967: <td>$lt{'npmr'}</td> 1968: <td>$lt{$discmark}</td> 1969: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1970: END 1971: $r->print(&Apache::loncommon::end_data_table_row()); 1972: $r->print(&Apache::loncommon::start_data_table_row()); 1973: $r->print(<<END); 1974: <td>$lt{'dotm'}</td> 1975: <td>$lt{$disctogg}</td> 1976: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1977: END 1978: my $save = &mt('Save'); 1979: $r->print(&Apache::loncommon::end_data_table_row()); 1980: $r->print(&Apache::loncommon::end_data_table()); 1981: $r->print(<<END); 1982: <br /> 1983: <br /> 1984: <input type="hidden" name="symb" value="$symb" /> 1985: <input type="hidden" name="previous" value="$previous" /> 1986: <input type="hidden" name="$dispchgA" value="" /> 1987: <input type="hidden" name="$dispchgB" value="" /> 1988: <input type="hidden" name="$markchg" value="" /> 1989: <input type="hidden" name="$toggchg" value="" /> 1990: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 1991: END 1992: if (exists($env{'form.group'})) { 1993: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1994: } 1995: if (exists($env{'form.ref'})) { 1996: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1997: } 1998: $r->print(" 1999: <br /> 2000: <br /> 2001: </form> 2002: $end_page 2003: "); 2004: return; 2005: } 2006: 2007: sub print_sortfilter_options { 2008: my ($r,$symb,$previous,$feedurl) = @_; 2009: 2010: &Apache::loncommon::content_type($r,'text/html'); 2011: $r->send_http_header; 2012: 2013: &Apache::lonenc::check_encrypt(\$symb); 2014: my @sections; 2015: my $section_sel = ''; 2016: my $numvisible = 5; 2017: my @groups; 2018: my $group_sel = ''; 2019: my $numgroupvis = 5; 2020: my %sectioncount = &Apache::loncommon::get_sections(); 2021: my @courseroles = qw(st ad ep ta in); 2022: my $crstype = &Apache::loncommon::course_type(); 2023: my $ccrole = 'cc'; 2024: if ($crstype eq 'Community') { 2025: $ccrole = 'co'; 2026: } 2027: push(@courseroles,$ccrole); 2028: 2029: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2030: @sections = ('all',$env{'request.course.sec'}); 2031: $numvisible = 2; 2032: } else { 2033: @sections = sort {$a cmp $b} keys(%sectioncount); 2034: if (scalar(@sections) < 4) { 2035: $numvisible = scalar(@sections) + 1; 2036: } 2037: unshift(@sections,'all'); # Put 'all' at the front of the list 2038: 2039: } 2040: foreach my $sec (@sections) { 2041: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2042: } 2043: 2044: if (&check_group_priv() eq 'ok') { 2045: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2046: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2047: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2048: @groups = sort {$a cmp $b} keys(%curr_groups); 2049: if (scalar(@groups) < 4) { 2050: $numgroupvis = scalar(@groups) + 1; 2051: } 2052: unshift(@groups,'all'); # Put 'all' at the front of the list 2053: } else { 2054: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2055: if (@coursegroups > 0) { 2056: @coursegroups = sort {$a cmp $b} @coursegroups; 2057: @groups = ('all',@coursegroups); 2058: if (scalar(@groups) < 4) { 2059: $numgroupvis = scalar(@groups) + 1; 2060: } 2061: } else { 2062: @groups = ('all'); 2063: $numgroupvis = 1; 2064: } 2065: } 2066: foreach my $group (@groups) { 2067: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2068: } 2069: 2070: my $function = &Apache::loncommon::get_users_function(); 2071: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2072: $env{'user.domain'}); 2073: my %lt = &Apache::lonlocal::texthash( 2074: 'diop' => 'Display Options', 2075: 'curr' => 'Current setting ', 2076: 'actn' => 'Action', 2077: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2078: 'soor' => 'Sort order', 2079: 'spur' => 'Specific user roles', 2080: 'sprs' => 'Specific role status', 2081: 'spse' => 'Specific sections', 2082: 'spgr' => 'Specific groups', 2083: 'psub' => 'Pick specific users (by name)', 2084: 'shal' => 'Show a list of current posters', 2085: 'stor' => 'Save changes', 2086: ); 2087: 2088: my %sort_types = (); 2089: my %role_types = (); 2090: my %status_types = (); 2091: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2092: 2093: my $js = <<END; 2094: <script type="text/javascript"> 2095: function verifyFilter() { 2096: var rolenum = 0 2097: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2098: if (document.modifyshown.rolefilter.options[i].selected == true) { 2099: rolenum ++ 2100: } 2101: } 2102: if (rolenum == 0) { 2103: document.modifyshown.rolefilter.options[0].selected = true 2104: } 2105: 2106: var secnum = 0 2107: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2108: if (document.modifyshown.sectionpick.options[i].selected == true) { 2109: secnum ++ 2110: } 2111: } 2112: if (secnum == 0) { 2113: document.modifyshown.sectionpick.options[0].selected = true 2114: } 2115: 2116: var grpnum = 0 2117: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2118: if (document.modifyshown.grouppick.options[i].selected == true) { 2119: grpnum ++ 2120: } 2121: } 2122: if (grpnum == 0) { 2123: document.modifyshown.grouppick.options[0].selected = true 2124: } 2125: 2126: document.modifyshown.submit(); 2127: } 2128: </script> 2129: END 2130: 2131: my $start_page= 2132: &Apache::loncommon::start_page('Discussion options',$js); 2133: my $end_page= 2134: &Apache::loncommon::end_page(); 2135: 2136: $r->print(<<END); 2137: $start_page 2138: <form name="modifyshown" method="post" action="/adm/feedback"> 2139: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2140: <br /><br /> 2141: <table border="0"> 2142: <tr> 2143: <th>$lt{'soor'}</th> 2144: <th> </th> 2145: <th>$lt{'sprs'}</th> 2146: <th> </th> 2147: <th>$lt{'spur'}</th> 2148: <th> </th> 2149: <th>$lt{'spse'}</th> 2150: <th> </th> 2151: <th>$lt{'spgr'}</th> 2152: <th> </th> 2153: <th>$lt{'psub'}</th> 2154: </tr> 2155: <tr> 2156: <td align="center" valign="top"> 2157: <select name="sortposts"> 2158: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2159: <option value="descdate">$sort_types{'descdate'}</option> 2160: <option value="thread">$sort_types{'thread'}</option> 2161: <option value="subject">$sort_types{'subject'}</option> 2162: <option value="username">$sort_types{'username'}</option> 2163: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2164: </select> 2165: </td> 2166: <td> </td> 2167: <td align="center" valign="top"> 2168: <select name="statusfilter"> 2169: <option value="all" selected="selected">$status_types{'all'}</option> 2170: <option value="Active">$status_types{'Active'}</option> 2171: <option value="Expired">$status_types{'Expired'}</option> 2172: <option value="Future">$status_types{'Future'}</option> 2173: </select> 2174: </td> 2175: <td> </td> 2176: <td align="center" valign="top"> 2177: <select name="rolefilter" multiple="multiple" size="5"> 2178: <option value="all">$role_types{'all'}</option> 2179: <option value="st">$role_types{'st'}</option> 2180: <option value="$ccrole">$role_types{$ccrole}</option> 2181: <option value="in">$role_types{'in'}</option> 2182: <option value="ta">$role_types{'ta'}</option> 2183: <option value="ep">$role_types{'ep'}</option> 2184: <option value="ad">$role_types{'ad'}</option> 2185: <option value="cr">$role_types{'cr'}</option> 2186: </select> 2187: </td> 2188: <td> </td> 2189: <td align="center" valign="top"> 2190: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2191: $section_sel 2192: </select> 2193: </td> 2194: <td> </td> 2195: <td align="center" valign="top"> 2196: <select name="grouppick" multiple="multiple" size="$numvisible"> 2197: $group_sel 2198: </select> 2199: </td> 2200: <td> </td> 2201: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2202: </tr> 2203: </table> 2204: <br /> 2205: <br /> 2206: <input type="hidden" name="previous" value="$previous" /> 2207: <input type="hidden" name="applysort" value="$symb" /> 2208: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2209: END 2210: if (exists($env{'form.group'})) { 2211: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2212: } 2213: if (exists($env{'form.ref'})) { 2214: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2215: } 2216: $r->print(" 2217: <br /> 2218: <br /> 2219: </form> 2220: $end_page 2221: "); 2222: } 2223: 2224: sub print_showposters { 2225: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2226: 2227: &Apache::loncommon::content_type($r,'text/html'); 2228: $r->send_http_header; 2229: 2230: &Apache::lonenc::check_encrypt(\$symb); 2231: my $crs='/'.$env{'request.course.id'}; 2232: if ($env{'request.course.sec'}) { 2233: $crs.='_'.$env{'request.course.sec'}; 2234: } 2235: $crs=~s/\_/\//g; 2236: my $seeid; 2237: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2238: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2239: my $group = $env{'form.group'}; 2240: my $ressymb = &wrap_symb($symb); 2241: if (($group ne '') && 2242: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2243: if (&check_group_priv($group,'dgp') eq 'ok') { 2244: $seeid = 1; 2245: } 2246: } else { 2247: $seeid=&Apache::lonnet::allowed('rin',$crs); 2248: } 2249: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2250: $cdom,$cnum); 2251: my %namesort = (); 2252: my %postcounts = (); 2253: 2254: my %lt = &Apache::lonlocal::texthash( 2255: sele => 'Select', 2256: full => 'Fullname', 2257: usdo => 'Username:domain', 2258: post => 'Posts', 2259: ); 2260: if ($contrib{'version'}) { 2261: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2262: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2263: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2264: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2265: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2266: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2267: my $lastname = $names{'lastname'}; 2268: my $firstname = $names{'firstname'}; 2269: if ($lastname eq '') { 2270: $lastname = '_'; 2271: } 2272: if ($firstname eq '') { 2273: $firstname = '_'; 2274: } 2275: unless (defined($namesort{$lastname})) { 2276: %{$namesort{$lastname}} = (); 2277: } 2278: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2279: $postcounts{$poster} ++; 2280: if (defined($namesort{$lastname}{$firstname})) { 2281: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2282: push(@{$namesort{$lastname}{$firstname}}, $poster); 2283: } 2284: } else { 2285: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2286: } 2287: } 2288: } 2289: } 2290: } 2291: 2292: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2293: my $table_start =&Apache::loncommon::start_data_table(); 2294: $r->print(<<END); 2295: $start_page 2296: <form name="pickpostersform" method="post"> 2297: <br /> 2298: $table_start 2299: <tr> 2300: <th>#</th> 2301: <th>$lt{'sele'}</th> 2302: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2303: <th>$lt{'post'}</th> 2304: </tr> 2305: END 2306: my $count = 0; 2307: foreach my $last (sort(keys(%namesort))) { 2308: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2309: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2310: my ($uname,$udom) = split(/:/,$user); 2311: if (!$uname || !$udom) { 2312: next; 2313: } else { 2314: $count ++; 2315: $r->print(&Apache::loncommon::start_data_table_row(). 2316: '<td align="right">'.$count.'</td> 2317: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2318: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2319: <td>'.$postcounts{$user}.'</td>'. 2320: &Apache::loncommon::end_data_table_row()); 2321: } 2322: } 2323: } 2324: } 2325: $r->print(&Apache::loncommon::end_data_table()); 2326: my $end_page = &Apache::loncommon::end_page(); 2327: $r->print(<<END); 2328: <br /> 2329: <input type="hidden" name="sortposts" value="$sortposts" /> 2330: <input type="hidden" name="userpick" value="$symb" /> 2331: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2332: </form> 2333: $end_page 2334: END 2335: } 2336: 2337: sub get_post_versions { 2338: my ($versions,$incoming,$htmldecode,$numver) = @_; 2339: if ($incoming =~ /^<version num="0">/) { 2340: my $p = HTML::LCParser->new(\$incoming); 2341: my $done = 0; 2342: 2343: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2344: my $num = $token->[1]{num}; 2345: my $text = $p->get_text("/version"); 2346: if (defined($numver)) { 2347: if ($num == $numver) { 2348: if ($htmldecode) { 2349: $text = &HTML::Entities::decode($text); 2350: } 2351: $$versions{$numver}=$text; 2352: $done = 1; 2353: } 2354: } else { 2355: if ($htmldecode) { 2356: $text = &HTML::Entities::decode($text); 2357: } 2358: $$versions{$num}=$text; 2359: } 2360: } 2361: } else { 2362: if (!defined($numver)) { 2363: $numver = 0; 2364: } 2365: if ($htmldecode) { 2366: $$versions{$numver} = $incoming; 2367: } else { 2368: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2369: } 2370: } 2371: return; 2372: } 2373: 2374: sub get_post_attachments { 2375: my ($attachments,$attachmenturls) = @_; 2376: my $num; 2377: if ($attachmenturls =~ m/^<attachment id="0">/) { 2378: my $p = HTML::LCParser->new(\$attachmenturls); 2379: while (my $token = $p->get_tag("attachment","filename","post")) { 2380: if ($token->[0] eq "attachment") { 2381: $num = $token->[1]{id}; 2382: %{$$attachments{$num}} =(); 2383: } elsif ($token->[0] eq "filename") { 2384: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2385: } elsif ($token->[0] eq "post") { 2386: my $id = $token->[1]{id}; 2387: $$attachments{$num}{$id} = $p->get_text("/post"); 2388: } 2389: } 2390: } else { 2391: %{$$attachments{'0'}} = (); 2392: $$attachments{'0'}{'filename'} = $attachmenturls; 2393: $$attachments{'0'}{'0'} = 'n'; 2394: } 2395: 2396: return; 2397: } 2398: 2399: sub fail_redirect { 2400: my ($r,$feedurl) = @_; 2401: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2402: my %lt = &Apache::lonlocal::texthash( 2403: 'sorr' => 'Sorry, no recipients ...', 2404: ); 2405: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2406: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2407: {'redirect' => [2,$feedurl], 2408: 'only_body' => 1,})); 2409: $r->print(<<ENDFAILREDIR); 2410: <img align="right" src="$logo" /> 2411: <b>$lt{'sorr'}</b> 2412: ENDFAILREDIR 2413: $r->print(&Apache::loncommon::end_page()); 2414: } 2415: 2416: sub redirect_back { 2417: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2418: my $sorttag = ''; 2419: my $roletag = ''; 2420: my $statustag = ''; 2421: my $sectag = ''; 2422: my $grptag = ''; 2423: my $userpicktag = ''; 2424: my $qrystr = ''; 2425: my $prevtag = ''; 2426: 2427: &Apache::loncommon::content_type($r,'text/html'); 2428: $r->send_http_header; 2429: &dewrapper(\$feedurl); 2430: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2431: if ($previous > 0) { 2432: $qrystr = 'previous='.$previous; 2433: if ($feedurl =~ /\?register=1/) { 2434: $feedurl .= '&'.$qrystr; 2435: } else { 2436: $feedurl .= '?'.$qrystr; 2437: } 2438: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2439: } 2440: if (defined($sort)) { 2441: my $sortqry = 'sortposts='.$sort; 2442: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2443: $feedurl .= '&'.$sortqry; 2444: } else { 2445: $feedurl .= '?'.$sortqry; 2446: } 2447: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2448: if (defined($numpicks)) { 2449: my $userpickqry = 'totposters='.$numpicks; 2450: $feedurl .= '&'.$userpickqry; 2451: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2452: } else { 2453: if (ref($sectionpick) eq 'ARRAY') { 2454: $feedurl .= '&sectionpick='; 2455: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2456: foreach my $sec (@{$sectionpick}) { 2457: $feedurl .= $sec.','; 2458: $sectag .= $sec.','; 2459: } 2460: $feedurl =~ s/,$//; 2461: $sectag =~ s/,$//; 2462: $sectag .= '" />'; 2463: } else { 2464: $feedurl .= '&sectionpick='.$sectionpick; 2465: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2466: } 2467: if (ref($grouppick) eq 'ARRAY') { 2468: $feedurl .= '&grouppick='; 2469: $sectag .= '<input type="hidden" name="grouppick" value="'; 2470: foreach my $grp (@{$grouppick}) { 2471: $feedurl .= $grp.','; 2472: $grptag .= $grp.','; 2473: } 2474: $feedurl =~ s/,$//; 2475: $grptag =~ s/,$//; 2476: $grptag .= '" />'; 2477: } else { 2478: $feedurl .= '&grouppick='.$grouppick; 2479: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2480: } 2481: if (ref($rolefilter) eq 'ARRAY') { 2482: $feedurl .= '&rolefilter='; 2483: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2484: foreach my $role (@{$rolefilter}) { 2485: $feedurl .= $role.','; 2486: $roletag .= $role.','; 2487: } 2488: $feedurl =~ s/,$//; 2489: $roletag =~ s/,$//; 2490: $roletag .= '" />'; 2491: } else { 2492: $feedurl .= '&rolefilter='.$rolefilter; 2493: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2494: } 2495: $feedurl .= '&statusfilter='.$statusfilter; 2496: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2497: } 2498: } 2499: my $grouptag; 2500: if ($group ne '') { 2501: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2502: my $refarg; 2503: if (exists($env{'form.ref'})) { 2504: $refarg = '&ref='.$env{'form.ref'}; 2505: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2506: } 2507: if ($feedurl =~ /\?/) { 2508: $feedurl .= '&group='.$group.$refarg; 2509: } else { 2510: $feedurl .= '?group='.$group.$refarg; 2511: } 2512: } 2513: &Apache::lonenc::check_encrypt(\$feedurl); 2514: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2515: my %onload; 2516: if ($env{'environment.remote'} ne 'off') { 2517: $onload{'onload'} = 2518: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 2519: } 2520: my $start_page= 2521: &Apache::loncommon::start_page('Feedback sent',undef, 2522: {'redirect' => [0,$feedurl], 2523: 'only_body' => 1, 2524: 'add_entries' => \%onload}); 2525: my $end_page = &Apache::loncommon::end_page(); 2526: $r->print(<<ENDREDIR); 2527: $start_page 2528: <img align="right" src="$logo" /> 2529: $typestyle 2530: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2531: $blog 2532: $toolarge 2533: <font color="red">$status</font> 2534: <form name="reldt" action="$feedurl" target="loncapaclient"> 2535: $prevtag 2536: $sorttag 2537: $statustag 2538: $roletag 2539: $sectag 2540: $grptag 2541: $userpicktag 2542: $grouptag 2543: </form> 2544: $end_page 2545: ENDREDIR 2546: } 2547: 2548: sub no_redirect_back { 2549: my ($r,$feedurl) = @_; 2550: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2551: 2552: my %onload; 2553: if ($env{'environment.remote'} ne 'off') { 2554: $onload{'onload'} = 2555: "if (window.name!='loncapaclient') { self.window.close(); }"; 2556: } 2557: 2558: my %body_options = ('only_body' => 1, 2559: 'bgcolor' => '#FFFFFF', 2560: 'add_entries' => \%onload,); 2561: 2562: if ($feedurl !~ m{^/adm/feedback}) { 2563: $body_options{'rediect'} = [2,$feedurl]; 2564: } 2565: my $start_page= 2566: &Apache::loncommon::start_page('Feedback not sent',undef, 2567: \%body_options); 2568: 2569: my $end_page = &Apache::loncommon::end_page(); 2570: 2571: &Apache::lonenc::check_encrypt(\$feedurl); 2572: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2573: $r->print (<<ENDNOREDIRTWO); 2574: $start_page 2575: <img align="right" src="$logo" /> 2576: <b>$nofeed</b> 2577: <br /> 2578: $end_page 2579: ENDNOREDIRTWO 2580: } 2581: 2582: sub screen_header { 2583: my ($feedurl,$symb) = @_; 2584: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2585: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2586: my $contribdisc = &mt('Contribution to course discussion of resource'); 2587: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2588: my $namevis = &mt('name only visible to course faculty'); 2589: my $crstype; 2590: if ($env{'request.course.id'}) { 2591: $crstype = &Apache::loncommon::course_type(); 2592: if ($crstype eq 'Community') { 2593: $crscontent = &mt('Question/Comment/Feedback about community content'); 2594: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2595: $contribdisc = &mt('Contribution to community discussion of resource'); 2596: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2597: $namevis = &mt('name only visible to community facilitators'); 2598: } 2599: } 2600: my $msgoptions=''; 2601: my $discussoptions=''; 2602: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2603: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2604: $msgoptions= 2605: '<p><label><input type="radio" name="discuss" value="author" /> '. 2606: &mt('Feedback to resource author').'</label></p>'; 2607: } 2608: my %optionhash=(); 2609: foreach my $type ('question','comment','policy') { 2610: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2611: } 2612: if (&feedback_available(1)) { 2613: $msgoptions.= 2614: '<p><label><input type="radio" name="discuss" value="question" /> '. 2615: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2616: } 2617: if (&feedback_available(0,1)) { 2618: $msgoptions.= 2619: '<p><label><input type="radio" name="discuss" value="course" /> '. 2620: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2621: '</label></p>'; 2622: } 2623: if (&feedback_available(0,0,1)) { 2624: $msgoptions.= 2625: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2626: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2627: '</label></p>'; 2628: } 2629: } 2630: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2631: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2632: if (!$blocked && &discussion_open(undef,$symb) && 2633: &Apache::lonnet::allowed('pch', 2634: $env{'request.course.id'}. 2635: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2636: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2637: $contribdisc. 2638: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2639: $anoncontrib. 2640: ' <i>('.$namevis.')</i></label> '. 2641: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2642: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2643: if (!$blockblog) { 2644: $discussoptions.= &add_blog_checkbox($crstype); 2645: } 2646: } 2647: } 2648: if ($msgoptions) { 2649: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />' 2650: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>' 2651: .$msgoptions; 2652: } 2653: if ($discussoptions) { 2654: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2655: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>' 2656: .$discussoptions; 2657: } 2658: return $msgoptions.$discussoptions; 2659: } 2660: 2661: sub resource_output { 2662: my ($feedurl) = @_; 2663: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2664: $usersaw=~s/\<body[^\>]*\>//gi; 2665: $usersaw=~s/\<\/body\>//gi; 2666: $usersaw=~s/\<html\>//gi; 2667: $usersaw=~s/\<\/html\>//gi; 2668: $usersaw=~s/\<head\>//gi; 2669: $usersaw=~s/\<\/head\>//gi; 2670: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2671: return $usersaw; 2672: } 2673: 2674: sub clear_out_html { 2675: my ($message,$override,$ignore_htmlarea)=@_; 2676: if (!$ignore_htmlarea 2677: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2678: # Always allow the <m>-tag 2679: my %html=(M=>1); 2680: # Check if more is allowed 2681: my $cid=$env{'request.course.id'}; 2682: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2683: ($override)) { 2684: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2685: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2686: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2687: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2688: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2689: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2690: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2691: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2692: } 2693: # Do the substitution of everything that is not explicitly allowed 2694: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2695: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2696: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2697: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2698: return $message; 2699: } 2700: 2701: sub assemble_email { 2702: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2703: my %lt = &Apache::lonlocal::texthash( 2704: 'prev' => 'Previous attempts of student (if applicable)', 2705: 'orig' => 'Original screen output (if applicable)', 2706: 'corr' => 'Correct Answer(s) (if applicable)', 2707: ); 2708: if (&Apache::loncommon::course_type() eq 'Community') { 2709: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2710: } 2711: my $email=<<"ENDEMAIL"; 2712: $message 2713: ENDEMAIL 2714: my $citations=<<"ENDCITE"; 2715: <h2>$lt{'prev'}</h2> 2716: $prevattempts 2717: <br /><hr /> 2718: <h2>$lt{'orig'}</h2> 2719: $usersaw 2720: <h2>$lt{'corr'}</h2> 2721: $useranswer 2722: ENDCITE 2723: return ($email,$citations); 2724: } 2725: 2726: 2727: sub feedback_available { 2728: my ($question,$course,$policy)=@_; 2729: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2730: $course,$policy); 2731: return scalar(%to); 2732: } 2733: 2734: sub send_msg { 2735: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2736: my $status=''; 2737: my $sendsomething=0; 2738: my $restitle = &get_resource_title($symb,$feedurl); 2739: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2740: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2741: foreach my $key (keys(%to)) { 2742: if ($key) { 2743: my ($user,$domain) = split(/\:/,$key,2); 2744: if (!defined($user)) { 2745: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2746: } elsif (!defined($domain)) { 2747: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2748: } else { 2749: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2750: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2751: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2752: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2753: } else { 2754: $sendsomething++; 2755: } 2756: } 2757: } 2758: } 2759: 2760: 2761: my %record=&Apache::lonnet::restore('_feedback'); 2762: my ($temp)=keys(%record); 2763: unless ($temp=~/^error\:/) { 2764: my %newrecord=(); 2765: $newrecord{'resource'}=$feedurl; 2766: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2767: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2768: $status.='<br />'.&mt('Not registered').'<br />'; 2769: } 2770: } 2771: 2772: return ($status,$sendsomething); 2773: } 2774: 2775: sub adddiscuss { 2776: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2777: my $status=''; 2778: my $realsymb; 2779: if ($symb=~/^bulletin___/) { 2780: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2781: $filename=~s|^adm/wrapper/||; 2782: $realsymb=&Apache::lonnet::symbread($filename); 2783: } 2784: if (&discussion_open(undef,$realsymb) && 2785: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2786: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2787: 2788: my %contrib=('message' => $email, 2789: 'sendername' => $env{'user.name'}, 2790: 'senderdomain' => $env{'user.domain'}, 2791: 'screenname' => $env{'environment.screenname'}, 2792: 'plainname' => $env{'environment.firstname'}.' '. 2793: $env{'environment.middlename'}.' '. 2794: $env{'environment.lastname'}.' '. 2795: $env{'enrironment.generation'}, 2796: 'attachmenturl'=> $attachmenturl, 2797: 'subject' => $subject); 2798: if ($env{'form.replydisc'}) { 2799: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2800: } 2801: if ($anon) { 2802: $contrib{'anonymous'}='true'; 2803: } 2804: if (($symb) && ($email)) { 2805: my $now = time; 2806: if ($env{'form.editdisc'}) { 2807: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2808: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2809: $contrib{'timestamp'} = $now; 2810: $contrib{'history'} = ''; 2811: my $numoldver = 0; 2812: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2813: &Apache::lonenc::check_decrypt(\$oldsymb); 2814: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2815: # get timestamp for last post and history 2816: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2817: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2818: $env{'course.'.$env{'request.course.id'}.'.num'}); 2819: if (defined($oldcontrib{$oldidx.':replyto'})) { 2820: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2821: } 2822: if (defined($oldcontrib{$oldidx.':history'})) { 2823: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2824: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2825: $numoldver = @oldversions; 2826: } else { 2827: $numoldver = 1; 2828: } 2829: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2830: } 2831: my $numnewver = $numoldver + 1; 2832: if (defined($oldcontrib{$oldidx.':subject'})) { 2833: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2834: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2835: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2836: } else { 2837: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2838: } 2839: } 2840: if (defined($oldcontrib{$oldidx.':message'})) { 2841: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2842: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2843: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2844: } else { 2845: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2846: } 2847: } 2848: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2849: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2850: $oldsymb,$oldidx,\%contrib, 2851: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2852: $env{'course.'.$env{'request.course.id'}.'.num'}); 2853: $status='Editing class discussion'.($anon?' (anonymous)':''); 2854: } else { 2855: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2856: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2857: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2858: $env{'course.'.$env{'request.course.id'}.'.num'}); 2859: } 2860: my %storenewentry=($symb => $now); 2861: $status.='<br />'.&mt('Updating discussion time').': '. 2862: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2863: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2864: $env{'course.'.$env{'request.course.id'}.'.num'}); 2865: } 2866: my %record=&Apache::lonnet::restore('_discussion'); 2867: my ($temp)=keys(%record); 2868: unless ($temp=~/^error\:/) { 2869: my %newrecord=(); 2870: $newrecord{'resource'}=$symb; 2871: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2872: $status.='<br />'.&mt('Registering').': '. 2873: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2874: } 2875: } else { 2876: $status.='Failed.'; 2877: } 2878: return $status.'<br />'; 2879: } 2880: 2881: sub get_discussion_info { 2882: my ($idx,%contrib) = @_; 2883: my $changelast = 0; 2884: my $count = 0; 2885: my $hiddenflag = 0; 2886: my $deletedflag = 0; 2887: my ($hidden,$deleted,%info,$newlastdisc); 2888: my $version = $contrib{'version'}; 2889: if ($version) { 2890: for (my $id=$version; $id>0; $id--) { 2891: my $vkeys=$contrib{$id.':keys'}; 2892: my @keys=split(/:/,$vkeys); 2893: if (grep(/^hidden$/,@keys)) { 2894: if (!$hiddenflag) { 2895: $hidden = $contrib{$id.':hidden'}; 2896: $hiddenflag = 1; 2897: } 2898: } elsif (grep(/^deleted$/,@keys)) { 2899: if (!$deletedflag) { 2900: $deleted = $contrib{$id.':deleted'}; 2901: $deletedflag = 1; 2902: } 2903: } else { 2904: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2905: $count++; 2906: $info{$count}{'id'} = $id; 2907: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2908: } 2909: } 2910: } 2911: if ($info{'1'}{'id'} == $idx) { 2912: $changelast = 1; 2913: if ($count > 1) { 2914: $newlastdisc = $info{'2'}{'timestamp'}; 2915: } else { 2916: $newlastdisc = 0; 2917: } 2918: } 2919: } 2920: return ($changelast,$newlastdisc); 2921: } 2922: 2923: # ----------------------------------------------------------- Preview function 2924: 2925: sub show_preview { 2926: my ($r) = @_; 2927: &Apache::loncommon::content_type($r,'text/html'); 2928: $r->send_http_header; 2929: my $start_page= 2930: &Apache::loncommon::start_page('Preview',undef, 2931: {'only_body' => 1,}); 2932: 2933: my $message=&clear_out_html($env{'form.comment'}); 2934: &newline_to_br(\$message); 2935: $message=&Apache::lonspeller::markeduptext($message); 2936: $message=&Apache::lontexconvert::msgtexconverted($message); 2937: my $subject=&clear_out_html($env{'form.subject'},undef,1); 2938: $subject=~s/\n/\<br \/\>/g; 2939: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2940: 2941: my $end_page = &Apache::loncommon::end_page(); 2942: 2943: $r->print($start_page 2944: .'<h1>'.&mt('Preview').'</h1>' 2945: .&Apache::lonhtmlcommon::start_pick_box() 2946: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 2947: .$subject 2948: .&Apache::lonhtmlcommon::row_closure() 2949: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 2950: .$message 2951: .&Apache::lonhtmlcommon::row_closure(1) 2952: .&Apache::lonhtmlcommon::end_pick_box() 2953: .$end_page 2954: ); 2955: } 2956: 2957: sub contains_block_html { 2958: my ($message)=@_; 2959: return ($message =~ m{ 2960: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 2961: \s* 2962: (\w+\=['"]\w+['"])* 2963: \s* 2964: ( 2965: \s*/>| 2966: >.*</\1\s*> 2967: )}xs 2968: ); 2969: } 2970: 2971: sub tidy_html { 2972: my ($message)=@_; 2973: # my $tidy = HTML::Tidy::libXML->new(); 2974: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 2975: # $xhtml =~ m/<body>(.*)<\/body>/is; 2976: # my $clean = $1; 2977: # # remove any empty block-level tags 2978: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 2979: # $message=$clean; 2980: return $message; 2981: } 2982: 2983: sub newline_to_br { 2984: my ($message)=@_; 2985: my $newmessage; 2986: my $parser=HTML::LCParser->new($message); 2987: while (my $token=$parser->get_token()) { 2988: if ($token->[0] eq 'T') { 2989: my $text=$token->[1]; 2990: $text=~s/\n/\<br \/\>/g; 2991: $newmessage.=$text; 2992: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2993: $newmessage.=$token->[1]; 2994: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2995: $newmessage.=$token->[2]; 2996: } elsif ($token->[0] eq 'S') { 2997: $newmessage.=$token->[4]; 2998: } 2999: 3000: } 3001: $$message=$newmessage; 3002: } 3003: 3004: sub generate_preview_button { 3005: my ($formname,$fieldname)=@_; 3006: unless ($formname) { $formname='mailform'; } 3007: unless ($fieldname) { $fieldname='comment'; } 3008: my $pre=&mt("Show Preview and Check Spelling"); 3009: return(<<ENDPREVIEW); 3010: <br /> 3011: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3012: <input type="hidden" name="subject" /> 3013: <input type="hidden" name="comment" /> 3014: <input type="button" value="$pre" 3015: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 3016: </form> 3017: ENDPREVIEW 3018: } 3019: 3020: sub modify_attachments { 3021: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3022: $attachmaxtext,$toolarge)=@_; 3023: 3024: my %lt = &Apache::lonlocal::texthash( 3025: 'subj' => 'Subject', 3026: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3027: 'chth' => 'Check the checkboxes for any you wish to remove.', 3028: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3029: 'adda' => 'Add a new attachment to this post.', 3030: 'stch' => 'Save Changes', 3031: ); 3032: my $js = <<END; 3033: <script type="text/javascript"> 3034: function setAction () { 3035: document.modattachments.action = document.modattachments.origpage.value; 3036: document.modattachments.submit(); 3037: } 3038: </script> 3039: END 3040: 3041: # Breadcrumbs 3042: my $brcrum = [{'href' => '', 3043: 'text' => 'Discussion Post Attachments'}]; 3044: my $start_page = 3045: &Apache::loncommon::start_page('Discussion Post Attachments',$js, 3046: {'bread_crumbs' => $brcrum,}); 3047: 3048: my $orig_subject = &unescape($env{'form.subject'}); 3049: my $subject=&clear_out_html($orig_subject,undef,1); 3050: $subject=~s/\n/\<br \/\>/g; 3051: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3052: my $timestamp=$env{'form.timestamp'}; 3053: my $numoldver=$env{'form.numoldver'}; 3054: 3055: my $msg = ''; 3056: my %attachments = (); 3057: my %currattach = (); 3058: if ($idx) { 3059: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3060: } 3061: &Apache::lonenc::check_encrypt(\$symb); 3062: 3063: my $end_page = 3064: &Apache::loncommon::end_page(); 3065: 3066: $r->print(<<END); 3067: $start_page 3068: $toolarge 3069: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3070: <br /> 3071: <table class="LC_data_table"> 3072: <tr> 3073: <td colspan="2"> 3074: <b>Subject:</b> <b>$subject</b><br /><br /> 3075: END 3076: if ($idx) { 3077: if ($attachmenturls) { 3078: my @currold = keys(%currattach); 3079: if (@currold > 0) { 3080: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3081: foreach my $id (@currold) { 3082: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3083: $attachurl =~ m#/([^/]+)$#; 3084: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3085: } 3086: $r->print("<br />"); 3087: } 3088: } 3089: } 3090: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3091: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3092: foreach my $attach (@{$currnewattach}) { 3093: $attach =~ m#/([^/]+)$#; 3094: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3095: } 3096: $r->print("<br />"); 3097: } 3098: $r->print(<<END); 3099: </td></tr> 3100: <tr> 3101: <td> 3102: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3103: </td> 3104: </tr> 3105: <tr> 3106: <td colspan="2">$attachmaxtext</td> 3107: </tr> 3108: </table> 3109: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3110: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3111: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3112: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3113: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3114: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3115: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3116: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3117: END 3118: foreach my $item (@{$currnewattach}) { 3119: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3120: } 3121: foreach my $item (@{$currdelold}) { 3122: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3123: } 3124: $r->print(<<END); 3125: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3126: </form> 3127: $end_page 3128: END 3129: return; 3130: } 3131: 3132: sub process_attachments { 3133: my ($currnewattach,$currdelold,$keepold) = @_; 3134: 3135: @{$currnewattach}= 3136: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3137: @{$currdelold}= 3138: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3139: if (exists($env{'form.delnewattach'})) { 3140: my @currdelnew = 3141: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3142: my @currnew = (); 3143: foreach my $newone (@{$currnewattach}) { 3144: my $delflag = 0; 3145: foreach my $item (@currdelnew) { 3146: if ($newone eq $item) { 3147: $delflag = 1; 3148: last; 3149: } 3150: } 3151: unless ($delflag) { 3152: push(@currnew, $newone); 3153: } 3154: } 3155: @{$currnewattach} = @currnew; 3156: } 3157: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3158: } 3159: 3160: sub generate_attachments_button { 3161: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3162: $numoldver,$mode,$blockblog) = @_; 3163: my $origpage = $ENV{'REQUEST_URI'}; 3164: my $att=$attachnum.' '.&mt("attachments"); 3165: my %lt = &Apache::lonlocal::texthash( 3166: 'clic' => 'Click to add/remove attachments', 3167: ); 3168: my $response = (<<END); 3169: <br /> 3170: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3171: $lt{'clic'}: <input type="button" value="$att" 3172: onclick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value); 3173: END 3174: if (!$blockblog) { 3175: $response .= 'setblogvalue();'; 3176: } 3177: unless ($mode eq 'board') { 3178: $response .= 'javascript:anonchk();'; 3179: } 3180: $response .= (<<ENDATTACH); 3181: this.form.submit();" /> 3182: <input type="hidden" name="origpage" value="$origpage" /> 3183: <input type="hidden" name="idx" value="$idx" /> 3184: <input type="hidden" name="timestamp" value="$now" /> 3185: <input type="hidden" name="subject" /> 3186: <input type="hidden" name="comment" /> 3187: <input type="hidden" name="blog" value="0" /> 3188: <input type="hidden" name="discuss" value="0" /> 3189: <input type="hidden" name="numoldver" value="$numoldver" /> 3190: ENDATTACH 3191: if (defined($deloldattach)) { 3192: if (@{$deloldattach} > 0) { 3193: foreach my $delatt (@{$deloldattach}) { 3194: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3195: } 3196: } 3197: } 3198: if (defined($currnewattach)) { 3199: if (@{$currnewattach} > 0) { 3200: foreach my $attach (@{$currnewattach}) { 3201: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3202: } 3203: } 3204: } 3205: $response .= '</form>'; 3206: return $response; 3207: } 3208: 3209: sub extract_attachments { 3210: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3211: %{$attachments}=(); 3212: &get_post_attachments($attachments,$attachmenturls); 3213: foreach my $id (sort(keys(%{$attachments}))) { 3214: if (exists($$attachments{$id}{$numoldver})) { 3215: if (defined($currdelold)) { 3216: if (@{$currdelold} > 0) { 3217: unless (grep/^$id$/,@{$currdelold}) { 3218: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3219: } 3220: } else { 3221: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3222: } 3223: } else { 3224: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3225: } 3226: } 3227: } 3228: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3229: if (@attached == 1) { 3230: my $id = $attached[0]; 3231: my $attachurl; 3232: if ($attachmenturls =~ m/^<attachment id="0">/) { 3233: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3234: } else { 3235: $attachurl = $$attachments{$id}{'filename'}; 3236: } 3237: $attachurl=~m|/([^/]+)$|; 3238: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3239: $1.'</tt></a><br />'; 3240: &Apache::lonnet::allowuploaded('/adm/feedback', 3241: $attachurl); 3242: } elsif (@attached > 1) { 3243: $$message.='<ol>'; 3244: foreach my $attach (@attached) { 3245: my $id = $attach; 3246: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3247: my ($fname) 3248: =($attachurl=~m|/([^/]+)$|); 3249: $$message .= '<li><a href="'.$attachurl. 3250: '"><tt>'. 3251: $fname.'</tt></a></li>'; 3252: &Apache::lonnet::allowuploaded('/adm/feedback', 3253: $attachurl); 3254: } 3255: $$message .= '</ol>'; 3256: } 3257: } 3258: 3259: sub construct_attachmenturl { 3260: my ($currnewattach,$keepold,$symb,$idx)=@_; 3261: my $oldattachmenturl; 3262: my $newattachmenturl; 3263: my $startnum = 0; 3264: my $currver = 0; 3265: if (($env{'form.editdisc'}) && ($idx)) { 3266: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3267: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3268: $env{'course.'.$env{'request.course.id'}.'.num'}); 3269: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3270: if ($contrib{$idx.':history'}) { 3271: if ($contrib{$idx.':history'} =~ /:/) { 3272: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3273: $currver = 1 + scalar(@oldversions); 3274: } else { 3275: $currver = 2; 3276: } 3277: } else { 3278: $currver = 1; 3279: } 3280: if ($oldattachmenturl) { 3281: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3282: my %attachments = (); 3283: my $prevver = $currver-1; 3284: &get_post_attachments(\%attachments,$oldattachmenturl); 3285: my $numattach = scalar(keys(%attachments)); 3286: $startnum += $numattach; 3287: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3288: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3289: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3290: unless ($item eq 'filename') { 3291: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3292: } 3293: } 3294: if (grep/^$num$/,@{$keepold}) { 3295: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3296: } 3297: $newattachmenturl .= '</attachment>'; 3298: } 3299: } else { 3300: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3301: unless (grep/^0$/,@{$keepold}) { 3302: $newattachmenturl .= '<post id="1">n</post>'; 3303: } 3304: $newattachmenturl .= '</attachment>'; 3305: $startnum ++; 3306: } 3307: } 3308: } 3309: for (my $i=0; $i<@{$currnewattach}; $i++) { 3310: my $attachnum = $startnum + $i; 3311: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3312: } 3313: return $newattachmenturl; 3314: } 3315: 3316: sub add_blog_checkbox { 3317: my ($crstype) = @_; 3318: my $checkstatus; 3319: if ($env{'form.blog'}) { 3320: $checkstatus = 'checked="checked"'; 3321: } 3322: my $output = ' 3323: <script type="text/javascript"> 3324: function setblogvalue() { 3325: if (document.mailform.blog.checked) { 3326: document.attachment.blog.value = 1; 3327: } else { 3328: document.attachment.blog.value = 0; 3329: } 3330: } 3331: </script><br /> 3332: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3333: if ($crstype eq 'Community') { 3334: $output .= &mt('Add to my public community blog'); 3335: } else { 3336: $output .= &mt('Add to my public course blog'); 3337: } 3338: $output .= '</label><br />'."\n"; 3339: return $output; 3340: } 3341: 3342: sub has_discussion { 3343: my $resourcesref = shift; 3344: my $navmap = Apache::lonnavmaps::navmap->new(); 3345: if (defined($navmap)) { 3346: my @allres=$navmap->retrieveResources(); 3347: foreach my $resource (@allres) { 3348: if ($resource->hasDiscussion()) { 3349: my $ressymb = $resource->wrap_symb(); 3350: if (ref($resourcesref) eq 'ARRAY') { 3351: push(@{$resourcesref}, $ressymb); 3352: } 3353: } 3354: } 3355: } else { 3356: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3357: } 3358: return; 3359: } 3360: 3361: sub sort_filter_names { 3362: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3363: if (ref($sort_types) eq 'HASH') { 3364: %{$sort_types} = ( 3365: ascdate => 'Date order - oldest first', 3366: descdate => 'Date order - newest first', 3367: thread => 'Threaded', 3368: subject => 'By subject', 3369: username => 'By domain and username', 3370: lastfirst => 'By last name, first name' 3371: ); 3372: } 3373: my @courseroles = qw(st in ta ep ad); 3374: if ($crstype eq 'Community') { 3375: push(@courseroles,'co'); 3376: } else { 3377: push(@courseroles,'cc'); 3378: } 3379: if (ref($role_types) eq 'HASH') { 3380: foreach my $role (@courseroles) { 3381: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3382: } 3383: $role_types->{'all'} = 'All roles'; 3384: $role_types->{'cr'} = 'Custom role'; 3385: } 3386: if (ref($status_types) eq 'HASH') { 3387: %{$status_types} = ( 3388: all => 'Roles of any status', 3389: Active => 'Only active roles', 3390: Expired => 'Only past roles', 3391: Future => 'Only future roles', 3392: ); 3393: } 3394: } 3395: 3396: sub handler { 3397: my $r = shift; 3398: if ($r->header_only) { 3399: &Apache::loncommon::content_type($r,'text/html'); 3400: $r->send_http_header; 3401: return OK; 3402: } 3403: 3404: # --------------------------- Get query string for limited number of parameters 3405: 3406: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3407: ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']); 3408: my $group = $env{'form.group'}; 3409: my %attachmax = ( 3410: text => &mt('(128 KB max size)'), 3411: num => 131072, 3412: ); 3413: if ($env{'form.editdisc'}) { 3414: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3415: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3416: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3417: my $feedurl=&Apache::lonnet::clutter($url); 3418: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3419: undef,undef,undef,$group); 3420: return OK; 3421: } 3422: } 3423: if ($env{'form.discsymb'}) { 3424: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3425: my $readkey = $symb.'_read'; 3426: my $chgcount = 0; 3427: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3428: foreach my $key (keys(%env)) { 3429: if ($key =~ m/^form\.postunread_(\d+)/) { 3430: if ($readinghash{$readkey} =~ /\.$1\./) { 3431: $readinghash{$readkey} =~ s/\.$1\.//; 3432: $chgcount ++; 3433: } 3434: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3435: unless ($readinghash{$readkey} =~ /\.$1\./) { 3436: $readinghash{$readkey} .= '.'.$1.'.'; 3437: $chgcount ++; 3438: } 3439: } 3440: } 3441: if ($chgcount > 0) { 3442: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3443: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3444: } 3445: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3446: '0','0','','',$env{'form.previous'},'','','', 3447: undef,undef,undef,$group); 3448: return OK; 3449: } 3450: if ($env{'form.allversions'}) { 3451: &Apache::loncommon::content_type($r,'text/html'); 3452: &Apache::loncommon::no_cache($r); 3453: $r->send_http_header; 3454: 3455: # Breadcrumbs 3456: my $brcrum = [{'href' => '', 3457: 'text' => 'Discussion Post Versions'}]; 3458: 3459: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef, 3460: {'bread_crumbs' => $brcrum,}) 3461: ); 3462: 3463: my $crs='/'.$env{'request.course.id'}; 3464: if ($env{'request.course.sec'}) { 3465: $crs.='_'.$env{'request.course.sec'}; 3466: } 3467: $crs=~s|_|/|g; 3468: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3469: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3470: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3471: ($symb)=&get_feedurl_and_clean_symb($symb); 3472: my $ressymb = &wrap_symb($symb); 3473: my $group = $env{'form.group'}; 3474: my $seeid; 3475: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3476: if (&check_group_priv($group,'dgp') eq 'ok') { 3477: $seeid = 1; 3478: } 3479: } else { 3480: $seeid = &Apache::lonnet::allowed('rin',$crs); 3481: } 3482: if ($idx > 0) { 3483: my %messages = (); 3484: my %subjects = (); 3485: my %attachmsgs = (); 3486: my %allattachments = (); 3487: my %imsfiles = (); 3488: my ($screenname,$plainname); 3489: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3490: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3491: $env{'course.'.$env{'request.course.id'}.'.num'}); 3492: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3493: } 3494: $r->print(&Apache::loncommon::end_page()); 3495: return OK; 3496: } 3497: if ($env{'form.posterlist'}) { 3498: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3499: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3500: $env{'form.sortposts'}); 3501: return OK; 3502: } 3503: if ($env{'form.userpick'}) { 3504: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3505: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3506: my $numpicks = @posters; 3507: my %discinfo; 3508: $discinfo{$symb.'_userpick'} = join('&',@posters); 3509: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3510: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3511: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3512: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3513: '',$numpicks,$group); 3514: return OK; 3515: } 3516: if ($env{'form.applysort'}) { 3517: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3518: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3519: '',$env{'form.previous'},$env{'form.sortposts'}, 3520: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3521: $env{'form.sectionpick'},$env{'form.grouppick'}, 3522: undef,$group); 3523: return OK; 3524: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3525: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3526: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3527: return OK; 3528: } elsif ($env{'form.navtime'}) { 3529: my %discinfo = (); 3530: my @resources = (); 3531: if (defined($env{'form.navmaps'})) { 3532: if ($env{'form.navmaps'} =~ /:/) { 3533: @resources = split(/:/,$env{'form.navmaps'}); 3534: } else { 3535: @resources = ("$env{'form.navmaps'}"); 3536: } 3537: } else { 3538: &has_discussion(\@resources); 3539: } 3540: my $numitems = @resources; 3541: my $feedurl = '/adm/navmaps'; 3542: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3543: my %lt = &Apache::lonlocal::texthash( 3544: 'mnpa' => 'Marked "New" posts as read in a total of', 3545: 'robb' => 'resources/bulletin boards.', 3546: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3547: ); 3548: foreach my $res (@resources) { 3549: my $ressymb=$res; 3550: &Apache::lonenc::check_decrypt(\$ressymb); 3551: my $lastkey = $ressymb.'_lastread'; 3552: $discinfo{$lastkey} = $env{'form.navtime'}; 3553: } 3554: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3555: if ($numitems > 0) { 3556: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3557: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3558: } else { 3559: $textline = "<b>$lt{'twnp'}</b>"; 3560: } 3561: &Apache::loncommon::content_type($r,'text/html'); 3562: $r->send_http_header; 3563: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3564: my %onload; 3565: if ($env{'environment.remote'} ne 'off') { 3566: $onload{'onload'} = 3567: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 3568: } 3569: 3570: my $start_page= 3571: &Apache::loncommon::start_page('New posts marked as read',undef, 3572: {'redirect' => [2,$feedurl], 3573: 'only_body' => 1, 3574: 'add_entries' => \%onload}); 3575: my $end_page = &Apache::loncommon::end_page(); 3576: $r->print (<<ENDREDIR); 3577: $start_page 3578: <img align="right" src="$logo" /> 3579: $textline 3580: <form name="reldt" action="$feedurl" target="loncapaclient"> 3581: </form> 3582: <br /> 3583: $end_page 3584: ENDREDIR 3585: return OK; 3586: } elsif ($env{'form.modifydisp'}) { 3587: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3588: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3589: split(/_/,$env{'form.changes'}); 3590: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3591: $dispchgB,$markchg,$toggchg,$feedurl); 3592: return OK; 3593: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3594: $env{'form.allposts'} || $env{'form.onlyunread'} || 3595: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3596: $env{'form.toggon'} || $env{'form.markread'}) { 3597: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3598: my %discinfo; 3599: # ------------------------ Modify setting for read/unread toggle for each post 3600: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3601: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3602: # --------- Modify setting for identification of 'NEW' posts in this discussion 3603: if ($env{'form.markondisp'}) { 3604: $discinfo{$symb.'_lastread'} = time; 3605: $discinfo{$symb.'_markondisp'} = 1; 3606: } 3607: if ($env{'form.markonread'}) { 3608: if ( $env{'form.previous'} > 0 ) { 3609: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3610: } 3611: $discinfo{$symb.'_markondisp'} = 0; 3612: } 3613: # --------------------------------- Modify display setting for this discussion 3614: if ($env{'form.allposts'}) { 3615: $discinfo{$symb.'_showonlyunread'} = 0; 3616: $discinfo{$symb.'_showonlyunmark'} = 0; 3617: } 3618: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3619: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3620: # ----------------------------------------------------- Mark new posts not NEW 3621: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3622: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3623: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3624: my $previous=$env{'form.previous'}; 3625: if ($env{'form.markondisp'}) { $previous=undef; } 3626: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3627: '0','0','','',$previous,'','','','','','',$group); 3628: return OK; 3629: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3630: # ----------------------------------------------------------------- Hide/unhide 3631: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3632: my ($symb,$idx)=split(/\:\:\:/,$entry); 3633: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3634: 3635: my $crs='/'.$env{'request.course.id'}; 3636: if ($env{'request.course.sec'}) { 3637: $crs.='_'.$env{'request.course.sec'}; 3638: } 3639: $crs=~s/\_/\//g; 3640: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3641: 3642: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3643: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3644: undef,undef,$group,); 3645: return OK; 3646: } 3647: 3648: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3649: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3650: $env{'course.'.$env{'request.course.id'}.'.num'}); 3651: 3652: my $currenthidden=$contrib{'hidden'}; 3653: my $currentstudenthidden=$contrib{'studenthidden'}; 3654: 3655: if ($env{'form.hide'}) { 3656: $currenthidden.='.'.$idx.'.'; 3657: unless ($seeid) { 3658: $currentstudenthidden.='.'.$idx.'.'; 3659: } 3660: } else { 3661: $currenthidden=~s/\.$idx\.//g; 3662: } 3663: my %newhash=('hidden' => $currenthidden); 3664: if ( ($env{'form.hide'}) && (!$seeid) ) { 3665: $newhash{'studenthidden'} = $currentstudenthidden; 3666: } 3667: if ($env{'form.hide'}) { 3668: my $changelast = 0; 3669: my $newlast; 3670: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3671: if ($changelast) { 3672: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3673: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3674: $env{'course.'.$env{'request.course.id'}.'.num'}); 3675: } 3676: } 3677: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3678: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3679: $env{'course.'.$env{'request.course.id'}.'.num'}); 3680: 3681: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3682: '0','0','','',$env{'form.previous'},undef,undef,undef, 3683: undef,undef,undef,$group); 3684: return OK; 3685: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3686: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3687: if ($env{'form.cmd'} eq 'threadedon') { 3688: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3689: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3690: } else { 3691: &Apache::lonnet::del('environment',['threadeddiscussion']); 3692: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3693: } 3694: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3695: '0','0','','',$env{'form.previous'},undef,undef,undef, 3696: undef,undef,undef,$group); 3697: return OK; 3698: } elsif ($env{'form.deldisc'}) { 3699: # --------------------------------------------------------------- Hide for good 3700: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3701: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3702: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3703: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3704: $env{'course.'.$env{'request.course.id'}.'.num'}); 3705: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3706: if ($changelast) { 3707: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3708: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3709: } 3710: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3711: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3712: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3713: $env{'course.'.$env{'request.course.id'}.'.num'}); 3714: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3715: '0','0','','',$env{'form.previous'},undef,undef,undef, 3716: undef,undef,undef,$group); 3717: return OK; 3718: } elsif ($env{'form.preview'}) { 3719: # -------------------------------------------------------- User wants a preview 3720: &show_preview($r); 3721: return OK; 3722: } elsif ($env{'form.attach'}) { 3723: # -------------------------------------------------------- Work on attachments 3724: &Apache::loncommon::content_type($r,'text/html'); 3725: $r->send_http_header; 3726: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3727: my (@currnewattach,@currdelold,@keepold,$toolarge); 3728: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3729: if (exists($env{'form.addnewattach.filename'})) { 3730: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3731: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3732: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3733: push(@currnewattach, $newattachment); 3734: } else { 3735: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3736: } 3737: } 3738: my $attachmenturls; 3739: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3740: my $idx = $env{'form.idx'}; 3741: if ($idx) { 3742: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3743: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3744: $env{'course.'.$env{'request.course.id'}.'.num'}); 3745: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3746: } 3747: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3748: $attachmenturls,$attachmax{'text'},$toolarge); 3749: return OK; 3750: } elsif ($env{'form.export'}) { 3751: &Apache::loncommon::content_type($r,'text/html'); 3752: $r->send_http_header; 3753: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3754: my $mode='board'; 3755: my $status='OPEN'; 3756: my $previous=$env{'form.previous'}; 3757: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3758: $mode='problem'; 3759: $status=$Apache::inputtags::status[-1]; 3760: } 3761: my $discussion = &list_discussion($mode,$status,$symb); 3762: my $start_page = 3763: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3764: my $end_page = 3765: &Apache::loncommon::end_page(); 3766: $r->print($start_page.$discussion.$end_page); 3767: return OK; 3768: } else { 3769: # ------------------------------------------------------------- Normal feedback 3770: my $feedurl=$env{'form.postdata'}; 3771: $feedurl=~s/^https?\:\/\///; 3772: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3773: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3774: $feedurl=~s/\?.+$//; 3775: 3776: my $symb; 3777: if ($env{'form.replydisc'}) { 3778: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3779: } elsif ($env{'form.editdisc'}) { 3780: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3781: } elsif ($env{'form.origpage'}) { 3782: $symb=""; 3783: } else { 3784: $symb=&Apache::lonnet::symbread($feedurl); 3785: } 3786: unless ($symb) { 3787: $symb=$env{'form.symb'}; 3788: } 3789: if (defined($symb)) { 3790: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3791: } else { 3792: # backward compatibility (bulletin boards used to be 'wrapped') 3793: &Apache::lonenc::check_decrypt(\$feedurl); 3794: &dewrapper(\$feedurl); 3795: } 3796: my $goahead=1; 3797: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3798: unless ($symb) { $goahead=0; } 3799: } 3800: if (!$goahead) { 3801: # Ambiguous Problem Resource 3802: $r->internal_redirect('/adm/ambiguous'); 3803: return OK; 3804: } 3805: # Go ahead with feedback, no ambiguous reference 3806: unless ( 3807: ( 3808: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3809: ) 3810: || 3811: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3812: || 3813: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3814: ) { 3815: &Apache::loncommon::content_type($r,'text/html'); 3816: $r->send_http_header; 3817: # Unable to give feedback 3818: &Apache::lonenc::check_encrypt(\$feedurl); 3819: &no_redirect_back($r,$feedurl); 3820: return OK; 3821: } 3822: # --------------------------------------------------- Print login screen header 3823: unless ($env{'form.sendit'}) { 3824: &Apache::lonenc::check_encrypt(\$feedurl); 3825: &Apache::loncommon::content_type($r,'text/html'); 3826: $r->send_http_header; 3827: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3828: my ($blocked,$blocktext) = 3829: &Apache::loncommon::blocking_status('boards'); 3830: if ($blocked) { 3831: $r->print(&blocked_reply_or_edit($blocktext)); 3832: return OK; 3833: } 3834: } 3835: my $options=&screen_header($feedurl,$symb); 3836: if ($options) { 3837: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3838: } else { 3839: &fail_redirect($r,$feedurl); 3840: } 3841: return OK; 3842: } 3843: 3844: # Get previous user input 3845: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3846: $symb,$env{'user.name'},$env{'user.domain'}, 3847: $env{'request.course.id'}); 3848: 3849: # Get output from resource 3850: &Apache::lonenc::check_encrypt(\$feedurl); 3851: my $usersaw=&resource_output($feedurl); 3852: 3853: # Get resource answer (need to allow student to view grades for this to work) 3854: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3855: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3856: my $useranswer= 3857: &Apache::loncommon::get_student_answers( 3858: $usersymb,$env{'user.name'},$env{'user.domain'}, 3859: $env{'request.course.id'}); 3860: &Apache::lonnet::delenv('allowed.vgr'); 3861: # Get attachments, if any, and not too large 3862: my $attachmenturl=''; 3863: my $toolarge=''; 3864: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3865: ($env{'form.replydisc'})) { 3866: my ($symb,$idx); 3867: if ($env{'form.replydisc'}) { 3868: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3869: } elsif ($env{'form.editdisc'}) { 3870: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3871: } elsif ($env{'form.origpage'}) { 3872: $symb = $env{'form.symb'}; 3873: } 3874: &Apache::lonenc::check_decrypt(\$symb); 3875: my @currnewattach = (); 3876: my @deloldattach = (); 3877: my @keepold = (); 3878: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3879: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3880: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3881: } elsif ($env{'form.attachment.filename'}) { 3882: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3883: my $now = time; 3884: my $subdir = 'feedback/'.$now; 3885: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3886: } else { 3887: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3888: } 3889: } 3890: # Filter HTML out of message (could be nasty) 3891: my $message=&clear_out_html($env{'form.comment'}); 3892: 3893: # Assemble email 3894: my ($email,$citations)=&assemble_email($message,$prevattempts, 3895: $usersaw,$useranswer); 3896: 3897: # Who gets this? 3898: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3899: 3900: # Actually send mail 3901: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}, 3902: undef,1), 3903: $feedurl,$email,$citations, 3904: $attachmenturl,$usersymb,%to); 3905: 3906: # Discussion? Store that. 3907: my $numpost=0; 3908: if ( ($env{'form.discuss'} ne '' 3909: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3910: || $env{'form.anondiscuss'} ne '') { 3911: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3912: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3913: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3914: $subject); 3915: $numpost++; 3916: } 3917: 3918: # Add to blog? 3919: 3920: my $blog=''; 3921: if ($env{'form.blog'}) { 3922: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3923: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3924: $env{'user.domain'}, 3925: 'CourseBlog_'.$env{'request.course.id'}, 3926: $subject,$message,$feedurl,'public'); 3927: if (&Apache::loncommon::course_type() eq 'Community') { 3928: $blog='<br />'.&mt('Added to my community blog').'<br />'; 3929: } else { 3930: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3931: } 3932: } 3933: 3934: # Receipt screen and redirect back to where came from 3935: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 3936: } 3937: return OK; 3938: } 3939: 3940: sub blocked_reply_or_edit { 3941: my ($blocktext) = @_; 3942: return 3943: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 3944: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 3945: &mt('Back to previous page'). 3946: &Apache::loncommon::end_page(); 3947: } 3948: 3949: sub wrap_symb { 3950: my ($ressymb)=@_; 3951: if ($ressymb =~ /bulletin___\d+___/) { 3952: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3953: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3954: } 3955: } 3956: return $ressymb; 3957: } 3958: sub dewrapper { 3959: my ($feedurl)=@_; 3960: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3961: $$feedurl=~s|^/adm/wrapper||; 3962: } 3963: } 3964: 3965: sub get_feedurl { 3966: my ($symb)=@_; 3967: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3968: my $feedurl = &Apache::lonnet::clutter($url); 3969: &dewrapper(\$feedurl); 3970: return $feedurl; 3971: } 3972: 3973: sub get_feedurl_and_clean_symb { 3974: my ($symb)=@_; 3975: &Apache::lonenc::check_decrypt(\$symb); 3976: # backward compatibility (bulletin boards used to be 'wrapped') 3977: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3978: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3979: } 3980: my $feedurl = &get_feedurl($symb); 3981: return ($symb,$feedurl); 3982: } 3983: 3984: sub editing_allowed { 3985: my ($postid,$group) = @_; 3986: $postid = &unescape($postid); 3987: my $can_edit = 0; 3988: if ($group ne '') { 3989: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3990: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3991: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 3992: if (&check_group_priv($group,'egp') eq 'ok') { 3993: $can_edit = 1; 3994: } 3995: return $can_edit; 3996: } 3997: } 3998: my $cid = $env{'request.course.id'}; 3999: my $role = (split(/\./,$env{'request.role'}))[0]; 4000: my $section = $env{'request.course.sec'}; 4001: my $allow_editing_config = 4002: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4003: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4004: $can_edit = 1; 4005: } else { 4006: foreach my $editor (split(/,/,$allow_editing_config)) { 4007: my ($editor_role,$editor_sec) = split(/:/,$editor); 4008: if ($editor_role eq $role 4009: && defined($editor_sec) 4010: && defined($section) 4011: && $editor_sec eq $section) { 4012: $can_edit = 1; 4013: last; 4014: } 4015: if ($editor_role eq $role 4016: && !defined($editor_sec)) { 4017: $can_edit = 1; 4018: } 4019: } 4020: } 4021: return $can_edit; 4022: } 4023: 4024: sub check_group_priv { 4025: my ($group,$grp_priv) = @_; 4026: foreach my $priv ('mdg','vcg') { 4027: my $checkcourse = $env{'request.course.id'}. 4028: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4029: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4030: return 'ok'; 4031: } 4032: } 4033: if ($grp_priv && $group ne '') { 4034: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4035: return 'ok'; 4036: } 4037: } 4038: return ''; 4039: } 4040: 4041: sub group_args { 4042: my ($group) = @_; 4043: if ($group eq '') { return ''; } 4044: my $extra_args = '&group='.$group; 4045: if (exists($env{'form.ref'})) { 4046: $extra_args .= '&ref='.$env{'form.ref'}; 4047: } 4048: return $extra_args; 4049: } 4050: 4051: sub get_resource_title { 4052: my ($symb,$feedurl) = @_; 4053: my ($restitle,$plainurl); 4054: if (defined($symb)) { 4055: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4056: $restitle = &Apache::lonnet::gettitle($plain_symb); 4057: } 4058: if (defined($feedurl)) { 4059: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4060: } 4061: if (!defined($restitle)) { 4062: if (defined($feedurl)) { 4063: $restitle = &Apache::lonnet::gettitle($plainurl); 4064: } 4065: } 4066: if ($plainurl ne $feedurl) { 4067: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4068: if ($plain_filename eq $restitle) { 4069: $restitle = &mt('Untitled resource'); 4070: } 4071: } 4072: if ($restitle eq '') { 4073: $restitle = &mt('Untitled resource'); 4074: } 4075: return $restitle; 4076: } 4077: 4078: 1; 4079: __END__ 4080: 4081: 4082: =pod 4083: 4084: =head1 NAME 4085: 4086: Apache::lonfeedback.pm 4087: 4088: =head1 SYNOPSIS 4089: 4090: Handles feedback from students to instructors and system administrators. 4091: 4092: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4093: 4094: Used by lonmsg.pm. 4095: 4096: This is part of the LearningOnline Network with CAPA project 4097: described at http://www.lon-capa.org. 4098: 4099: =head1 OVERVIEW 4100: 4101: None 4102: 4103: =head1 SUBROUTINES 4104: 4105: =over 4106: 4107: =item discussion_open() 4108: 4109: =item discussion_visible() 4110: 4111: =item list_discussion() 4112: 4113: =item send_feedback_link() 4114: 4115: =item send_message_link() 4116: 4117: =item action_links_bar() 4118: 4119: =item postingform_display() 4120: 4121: =item build_posting_display 4122: 4123: =item filter_regexp() 4124: 4125: =item get_post_contents() 4126: 4127: =item replicate_attachments() 4128: 4129: =item mail_screen() 4130: 4131: =item print_display_options() 4132: 4133: =item print_sortfilter_options() 4134: 4135: =item print_showposters() 4136: 4137: =item get_post_versions() 4138: 4139: =item get_post_attachments() 4140: 4141: =item fail_redirect() 4142: 4143: =item redirect_back() 4144: 4145: =item no_redirect_back() 4146: 4147: =item screen_header() 4148: 4149: =item resource_output() 4150: 4151: =item clear_out_html() 4152: 4153: =item assemble_email() 4154: 4155: =item feedback_available() 4156: 4157: =item send_msg() 4158: 4159: =item adddiscuss() 4160: 4161: =item get_discussion_info() 4162: 4163: =item show_preview() 4164: 4165: =item newline_to_br() 4166: 4167: =item tidy_html() 4168: 4169: =item generate_preview_button() 4170: 4171: =item modify_attachments() 4172: 4173: =item process_attachments() 4174: 4175: =item generate_attachments_button() 4176: 4177: =item extract_attachments() 4178: 4179: =item construct_attachmenturl() 4180: 4181: =item add_blog_checkbox() 4182: 4183: =item has_discussion() 4184: 4185: =item sort_filter_names() 4186: 4187: =item handler() 4188: 4189: =item blocked_reply_or_edit() 4190: 4191: =item wrap_symb() 4192: 4193: =item dewrapper() 4194: 4195: =item get_feedurl() 4196: 4197: =item get_feedurl_and_clean_symb() 4198: 4199: =item editing_allowed() 4200: 4201: =item check_group_priv() 4202: 4203: =item group_args() 4204: 4205: =item get_resource_title() 4206: 4207: =back 4208: 4209: =cut