1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.113 2004/08/04 18:04:57 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::lonhtmlcommon();
39: use HTML::LCParser();
40: use Apache::lonspeller();
41:
42: sub discussion_open {
43: my ($status)=@_;
44: if (defined($status) &&
45: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
46: || $status eq 'OPEN')) {
47: return 0;
48: }
49: my $close=&Apache::lonnet::EXT('resource.0.discussend');
50: if (defined($close) && $close ne '' && $close < time) {
51: return 0;
52: }
53: return 1;
54: }
55:
56: sub discussion_visible {
57: my ($status)=@_;
58: if (not &discussion_open($status)) {
59: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
60: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
61: return 0;
62: }
63: }
64: return 1;
65: }
66:
67: sub list_discussion {
68: my ($mode,$status,$symb)=@_;
69: my $outputtarget=$ENV{'form.grade_target'};
70: if (not &discussion_visible($status)) { return ''; }
71: my @bgcols = ("#cccccc","#eeeeee");
72: my $discussiononly=0;
73: if ($mode eq 'board') { $discussiononly=1; }
74: unless ($ENV{'request.course.id'}) { return ''; }
75: my $crs='/'.$ENV{'request.course.id'};
76: my $cid=$ENV{'request.course.id'};
77: if ($ENV{'request.course.sec'}) {
78: $crs.='_'.$ENV{'request.course.sec'};
79: }
80: $crs=~s/\_/\//g;
81: unless ($symb) {
82: $symb=&Apache::lonnet::symbread();
83: }
84: unless ($symb) { return ''; }
85: my %usernamesort = ();
86: my %namesort =();
87: my %subjectsort = ();
88: # backward compatibility (bulletin boards used to be 'wrapped')
89: my $ressymb=$symb;
90: if ($mode eq 'board') {
91: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
92: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
93: }
94: }
95:
96: # Get discussion display settings for this discussion
97: my $lastkey = $ressymb.'_lastread';
98: my $showkey = $ressymb.'_showonlyunread';
99: my $markkey = $ressymb.'_showonlyunmark',
100: my $visitkey = $ressymb.'_visit';
101: my $ondispkey = $ressymb.'_markondisp';
102: my $userpickkey = $ressymb.'_userpick';
103: my $toggkey = $ressymb.'_readtoggle';
104: my $readkey = $ressymb.'_read';
105:
106: my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$ENV{'user.domain'},$ENV{'user.name'});
107: my %discinfo = ();
108: my $showonlyunread = 0;
109: my $showunmark = 0;
110: my $markondisp = 0;
111: my $prevread = 0;
112: my $previous = 0;
113: my $visit = 0;
114: my $newpostsflag = 0;
115: my @posters = split/\&/,$dischash{$userpickkey};
116:
117: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
118: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']);
119: my $sortposts = $ENV{'form.sortposts'};
120: my $rolefilter = $ENV{'form.rolefilter'};
121: my $statusfilter = $ENV{'form.statusfilter'};
122: my $sectionpick = $ENV{'form.sectionpick'};
123: my $totposters = $ENV{'form.totposters'};
124: $previous = $ENV{'form.previous'};
125: if ($previous > 0) {
126: $prevread = $previous;
127: } elsif (defined($dischash{$lastkey})) {
128: unless ($dischash{$lastkey} eq '') {
129: $prevread = $dischash{$lastkey};
130: }
131: }
132:
133: # Get information about students and non-students in course for filtering display of posts
134: my %roleshash = ();
135: my %roleinfo = ();
136: if ($rolefilter) {
137: %roleshash = &Apache::lonnet::dump('nohist_userroles',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
138: foreach (keys %roleshash) {
139: my ($role,$uname,$udom,$sec) = split/:/,$_;
140: my ($end,$start) = split/:/,$roleshash{$_};
141: my $now = time;
142: my $status = 'Active';
143: if (($now < $start) || ($end > 0 && $now > $end)) {
144: $status = 'Expired';
145: }
146: push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status;
147: }
148: my ($classlist) = &Apache::loncoursedata::get_classlist(
149: $ENV{'request.course.id'},
150: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
151: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
152: my $sec_index = &Apache::loncoursedata::CL_SECTION();
153: my $status_index = &Apache::loncoursedata::CL_STATUS();
154: while (my ($student,$data) = each %$classlist) {
155: my ($section,$status) = ($data->[$sec_index],
156: $data->[$status_index]);
157: push @{$roleinfo{$student}}, 'st:'.$section.':'.$status;
158: }
159: }
160:
161: # Get discussion display default settings for user
162: my %userenv = &Apache::lonnet::get('environment',['discdisplay','discmarkread'],$ENV{'user.domain'},$ENV{'user.name'});
163: my $discdisplay=$userenv{'discdisplay'};
164: if ($discdisplay eq 'unread') {
165: $showonlyunread = 1;
166: }
167: my $discmarkread=$userenv{'discmarkread'};
168: if ($discmarkread eq 'ondisp') {
169: $markondisp = 1;
170: }
171:
172: # Override user's default if user specified display setting for this discussion
173: if (defined($dischash{$ondispkey})) {
174: $markondisp = $dischash{$ondispkey};
175: }
176: if ($markondisp) {
177: $discinfo{$lastkey} = time;
178: }
179:
180: if (defined($dischash{$showkey})) {
181: $showonlyunread = $dischash{$showkey};
182: }
183:
184: if (defined($dischash{$markkey})) {
185: $showunmark = $dischash{$markkey};
186: }
187:
188: if (defined($dischash{$visitkey})) {
189: $visit = $dischash{$visitkey};
190: }
191: $visit ++;
192:
193: my $seeid=&Apache::lonnet::allowed('rin',$crs);
194: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
195: && ($symb=~/\.(problem|exam|quiz|assess|survey|form)$/));
196: my @discussionitems=();
197: my %shown = ();
198: my @posteridentity=();
199: my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
200: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
201: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
202: my $visible=0;
203: my @depth=();
204: my @original=();
205: my @index=();
206: my @replies=();
207: my %alldiscussion=();
208: my %notshown = ();
209: my %newitem = ();
210: my $maxdepth=0;
211:
212: my $target='';
213: unless ($ENV{'browser.interface'} eq 'textual' ||
214: $ENV{'environment.remote'} eq 'off' ) {
215: $target='target="LONcom"';
216: }
217:
218: my $now = time;
219: $discinfo{$visitkey} = $visit;
220:
221: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
222:
223: if ($contrib{'version'}) {
224: my $oldest = $contrib{'1:timestamp'};
225: if ($prevread eq '0') {
226: $prevread = $oldest-1;
227: }
228: for (my $id=1;$id<=$contrib{'version'};$id++) {
229: my $idx=$id;
230: my $posttime = $contrib{$idx.':timestamp'};
231: if ($prevread <= $posttime) {
232: $newpostsflag = 1;
233: }
234: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
235: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
236: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
237: my $origindex='0.';
238: my $numoldver=0;
239: if ($contrib{$idx.':replyto'}) {
240: if ( (($ENV{'environment.threadeddiscussion'}) && (($sortposts eq '') || ($sortposts eq 'ascdate'))) || ($sortposts eq 'thread')) {
241: # this is a follow-up message
242: $original[$idx]=$original[$contrib{$idx.':replyto'}];
243: $depth[$idx]=$depth[$contrib{$idx.':replyto'}]+1;
244: $origindex=$index[$contrib{$idx.':replyto'}];
245: if ($depth[$idx]>$maxdepth) { $maxdepth=$depth[$idx]; }
246: } else {
247: $original[$idx]=0;
248: $depth[$idx]=0;
249: }
250: } else {
251: # this is an original message
252: $original[$idx]=0;
253: $depth[$idx]=0;
254: }
255: if ($replies[$depth[$idx]]) {
256: $replies[$depth[$idx]]++;
257: } else {
258: $replies[$depth[$idx]]=1;
259: }
260: unless ((($hidden) && (!$seeid)) || ($deleted)) {
261: $visible++;
262: if ($contrib{$idx.':history'}) {
263: if ($contrib{$idx.':history'} =~ /:/) {
264: my @oldversions = split/:/,$contrib{$idx.':history'};
265: $numoldver = @oldversions;
266: } else {
267: $numoldver = 1;
268: }
269: }
270: my ($message,$subject);
271: if ($idx > 0) {
272: if ($contrib{$idx.':message'} =~ /^<version num="0">/) {
273: my %versions = ();
274: &get_post_versions(\%versions,$contrib{$idx.':message'},$numoldver);
275: $message = &HTML::Entities::decode($versions{$numoldver});
276: } else {
277: $message = $contrib{$idx.':message'};
278: }
279: } else {
280: $message=$contrib{$idx.':message'};
281: }
282: my $attachmenturls = $contrib{$idx.':attachmenturl'};
283: $message=~s/\n/\<br \/\>/g;
284: $message=&Apache::lontexconvert::msgtexconverted($message);
285: if ($idx > 0) {
286: if ($contrib{$idx.':subject'} =~ /^<version num="0"/) {
287: my %versions = ();
288: &get_post_versions(\%versions,$contrib{$idx.':subject'},$numoldver);
289: $subject = &HTML::Entities::decode($versions{$numoldver});
290: } else {
291: $subject = $contrib{$idx.':subject'};
292: }
293: } else {
294: $subject=$contrib{$idx.':subject'};
295: }
296: if (defined($subject)) {
297: $subject=~s/\n/\<br \/\>/g;
298: $subject=&Apache::lontexconvert::msgtexconverted($subject);
299: }
300: if ($attachmenturls) {
301: my %attachments = ();
302: my %currattach = ();
303: &extract_attachments($attachmenturls,$idx,$numoldver,\$message,\%attachments,\%currattach);
304: }
305: if ($message) {
306: if ($hidden) {
307: $message='<font color="#888888">'.$message.'</font>';
308: if ($studenthidden) {
309: $message .='<br /><br />Deleted by poster (student).';
310: }
311: }
312: my $screenname=&Apache::loncommon::screenname(
313: $contrib{$idx.':sendername'},
314: $contrib{$idx.':senderdomain'});
315: my $plainname=&Apache::loncommon::nickname(
316: $contrib{$idx.':sendername'},
317: $contrib{$idx.':senderdomain'});
318:
319: my $sender=&mt('Anonymous');
320: # Set up for sorting by subject
321: if ($contrib{$idx.':subject'} eq '') {
322: if (defined($subjectsort{'__No subject'})) {
323: push @{$subjectsort{'__No subject'}}, $idx;
324: } else {
325: @{$subjectsort{'__No subject'}} = ("$idx");
326: }
327: } else {
328: if (defined($subjectsort{$contrib{$idx.':subject'}})) {
329: push @{$subjectsort{$contrib{$idx.':subject'}}}, $idx;
330: } else {
331: @{$subjectsort{$contrib{$idx.':subject'}}} = ("$idx");
332: }
333: }
334: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
335: $sender=&Apache::loncommon::aboutmewrapper(
336: $plainname,
337: $contrib{$idx.':sendername'},
338: $contrib{$idx.':senderdomain'}).' ('.
339: $contrib{$idx.':sendername'}.' at '.
340: $contrib{$idx.':senderdomain'}.')';
341: if ($contrib{$idx.':anonymous'}) {
342: $sender.=' ['.&mt('anonymous').'] '.
343: $screenname;
344: }
345: # Set up for sorting by domain, then username
346: unless (defined($usernamesort{$contrib{$idx.':senderdomain'}})) {
347: %{$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
348: }
349: if (defined($usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
350: push @{$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx;
351: } else {
352: @{$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
353: }
354: # Set up for sorting by last name, then first name
355: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],
356: $contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
357: my $lastname = $names{'lastname'};
358: my $firstname = $names{'firstname'};
359: if ($lastname eq '') {
360: $lastname = '_';
361: }
362: if ($firstname eq '') {
363: $firstname = '_';
364: }
365: unless (defined($namesort{$lastname})) {
366: %{$namesort{$lastname}} = ();
367: }
368: if (defined($namesort{$lastname}{$firstname})) {
369: push @{$namesort{$lastname}{$firstname}}, $idx;
370: } else {
371: @{$namesort{$lastname}{$firstname}} = ("$idx");
372: }
373: if ($ENV{"course.$cid.allow_discussion_post_editing"} =~ m/yes/i) {
374: if (($ENV{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($ENV{'user.name'} eq $contrib{$idx.':sendername'})) {
375: $sender.=' <a href="/adm/feedback?editdisc='.
376: $ressymb.':::'.$idx;
377: if ($newpostsflag) {
378: $sender .= '&previous='.$prevread;
379: }
380: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; unless ($seeid) {
381: $sender.=" <a href=\"javascript:studentdelete('$ressymb','$idx','$newpostsflag','$prevread')";
382: $sender .= '">'.&mt('Delete').'</a>';
383: }
384: }
385: }
386: if ($seeid) {
387: if ($hidden) {
388: unless ($studenthidden) {
389: $sender.=' <a href="/adm/feedback?unhide='.
390: $ressymb.':::'.$idx;
391: if ($newpostsflag) {
392: $sender .= '&previous='.$prevread;
393: }
394: $sender .= '">'.&mt('Make Visible').'</a>';
395: }
396: } else {
397: $sender.=' <a href="/adm/feedback?hide='.
398: $ressymb.':::'.$idx;
399: if ($newpostsflag) {
400: $sender .= '&previous='.$prevread;
401: }
402: $sender .= '">'.&mt('Hide').'</a>';
403: }
404: $sender.=' <a href="/adm/feedback?deldisc='.
405: $ressymb.':::'.$idx;
406: if ($newpostsflag) {
407: $sender .= '&previous='.$prevread;
408: }
409: $sender .= '">'.&mt('Delete').'</a>';
410: }
411: } else {
412: if ($screenname) {
413: $sender='<i>'.$screenname.'</i>';
414: }
415: # Set up for sorting by domain, then username for anonymous
416: unless (defined($usernamesort{'__anon'})) {
417: %{$usernamesort{'__anon'}} = ();
418: }
419: if (defined($usernamesort{'__anon'}{'__anon'})) {
420: push @{$usernamesort{'__anon'}{'__anon'}}, $idx;
421: } else {
422: @{$usernamesort{'__anon'}{'__anon'}} = ("$idx");
423: }
424: # Set up for sorting by last name, then first name for anonymous
425: unless (defined($namesort{'__anon'})) {
426: %{$namesort{'__anon'}} = ();
427: }
428: if (defined($namesort{'__anon'}{'__anon'})) {
429: push @{$namesort{'__anon'}{'__anon'}}, $idx;
430: } else {
431: @{$namesort{'__anon'}{'__anon'}} = ("$idx");
432: }
433: }
434: if (&discussion_open($status) &&
435: &Apache::lonnet::allowed('pch',
436: $ENV{'request.course.id'}.
437: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
438: $sender.=' <a href="/adm/feedback?replydisc='.
439: $ressymb.':::'.$idx;
440: if ($newpostsflag) {
441: $sender .= '&previous='.$prevread;
442: }
443: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
444: }
445: my $vgrlink;
446: if ($viewgrades) {
447: $vgrlink=&Apache::loncommon::submlink('Submissions',
448: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$symb);
449: }
450: my $ctlink;
451: if ($dischash{$readkey}=~/\.$idx\./) {
452: $ctlink = '<b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" />';
453: } else {
454: $ctlink = '<b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" />';
455: }
456: #figure out at what position this needs to print
457: my $thisindex=$idx;
458: if ( (($ENV{'environment.threadeddiscussion'}) && (($sortposts eq '') || ($sortposts eq 'ascdate'))) || ($sortposts eq 'thread')) {
459: $thisindex=$origindex.substr('00'.$replies[$depth[$idx]],-2,2);
460: }
461: $alldiscussion{$thisindex}=$idx;
462: $shown{$idx} = 0;
463: $index[$idx]=$thisindex;
464: my $spansize = 2;
465: if ($showonlyunread && $prevread > $posttime) {
466: $notshown{$idx} = 1;
467: } elsif ($showunmark && $dischash{$readkey}=~/\.$idx\./) {
468: $notshown{$idx} = 1;
469: } else {
470: # apply filters
471: my $uname = $contrib{$idx.':sendername'};
472: my $udom = $contrib{$idx.':senderdomain'};
473: my $poster = $uname.':'.$udom;
474: my $rolematch = '';
475: my $skiptest = 1;
476: if ($totposters > 0) {
477: if (grep/^$poster$/,@posters) {
478: $shown{$idx} = 1;
479: }
480: } else {
481: if ($rolefilter) {
482: if ($rolefilter eq 'all') {
483: $rolematch = '([^:]+)';
484: } else {
485: $rolematch = $rolefilter;
486: $skiptest = 0;
487: }
488: }
489: if ($sectionpick) {
490: if ($sectionpick eq 'all') {
491: $rolematch .= ':([^:]*)';
492: } else {
493: $rolematch .= ':'.$sectionpick;
494: $skiptest = 0;
495: }
496: }
497: if ($statusfilter) {
498: if ($statusfilter eq 'all') {
499: $rolematch .= ':([^:]+)';
500: } else {
501: $rolematch .= ':'.$statusfilter;
502: $skiptest = 0;
503: }
504: }
505: if ($skiptest) {
506: $shown{$idx} = 1;
507: } else {
508: foreach my $role (@{$roleinfo{$poster}}) {
509: if ($role =~ m/^$rolematch$/) {
510: $shown{$idx} = 1;
511: last;
512: }
513: }
514: }
515: }
516: }
517: unless ($notshown{$idx} == 1) {
518: if ($prevread > 0 && $prevread <= $posttime) {
519: $newitem{$idx} = 1;
520: $discussionitems[$idx] .= '
521: <p><table border="0" width="100%">
522: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
523: } else {
524: $newitem{$idx} = 0;
525: $discussionitems[$idx] .= '
526: <p><table border="0" width="100%">
527: <tr><td align="left"> </td>';
528: }
529: $discussionitems[$idx] .= '<td align ="left"> '.
530: '<b>'.$subject.'</b> '.
531: $sender.'</b> '.$vgrlink.' ('.
532: &Apache::lonlocal::locallocaltime($posttime).')</td>';
533: if ($dischash{$toggkey}) {
534: $discussionitems[$idx].='<td align="right"> '.
535: $ctlink.'</td>';
536: }
537: $discussionitems[$idx].= '</tr></table><blockquote>'.$message.'</blockquote></p>';
538: if ($contrib{$idx.':history'}) {
539: my @postversions = ();
540: $discussionitems[$idx] .= '<br />'.&mt('This post has been edited by the author.');
541: if ($seeid) {
542: $discussionitems[$idx] .= ' <a href="/adm/feedback?allversions='.$ressymb.':::'.$idx.'">'.&mt('Display all versions').'</a>';
543: }
544: $discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
545: if ($contrib{$idx.':history'} =~ m/:/) {
546: @postversions = split/:/,$contrib{$idx.':history'};
547: } else {
548: @postversions = ("$contrib{$idx.':history'}");
549: }
550: for (my $i=0; $i<@postversions; $i++) {
551: my $version = $i+1;
552: $discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
553: }
554: }
555: }
556: }
557: }
558: }
559: }
560:
561: my $discussion='';
562:
563: my $function = &Apache::loncommon::get_users_function();
564: my $color = &Apache::loncommon::designparm($function.'.tabbg',
565: $ENV{'user.domain'});
566: my %lt = &Apache::lonlocal::texthash(
567: 'cuse' => 'Current discussion settings',
568: 'allposts' => 'All posts',
569: 'unread' => 'New posts only',
570: 'unmark' => 'Unread only',
571: 'ondisp' => 'Once displayed',
572: 'onmark' => 'Once marked not NEW',
573: 'toggoff' => 'Off',
574: 'toggon' => 'On',
575: 'disa' => 'Posts to be displayed',
576: 'npce' => 'Posts cease to be marked "NEW"',
577: 'epcb' => 'Each post can be toggled read/unread',
578: 'chgt' => 'Change',
579: 'disp' => 'Display',
580: 'nolo' => 'Not new',
581: 'togg' => 'Toggle read/unread',
582: );
583:
584: my $currdisp = $lt{'allposts'};
585: my $currmark = $lt{'onmark'};
586: my $currtogg = $lt{'toggoff'};
587: my $dispchange = $lt{'unread'};
588: my $markchange = $lt{'ondisp'};
589: my $toggchange = $lt{'toggon'};
590: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
591: my $displinkA = 'onlyunread';
592: my $displinkB = 'onlyunmark';
593: my $marklink = 'markondisp';
594: my $togglink = 'toggon';
595:
596: if ($markondisp) {
597: $currmark = $lt{'ondisp'};
598: $markchange = $lt{'onmark'};
599: $marklink = 'markonread';
600: }
601:
602: if ($showonlyunread) {
603: $currdisp = $lt{'unread'};
604: $dispchange = $lt{'allposts'};
605: $displinkA = 'allposts';
606: }
607:
608: if ($showunmark) {
609: $currdisp = $lt{'unmark'};
610: $dispchange = $lt{'unmark'};
611: $displinkA='allposts';
612: $displinkB='onlyunread';
613: $showonlyunread = 0;
614: }
615:
616: if ($dischash{$toggkey}) {
617: $currtogg = $lt{'toggon'};
618: $toggchange = $lt{'toggoff'};
619: $togglink = 'toggoff';
620: }
621:
622: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;
623:
624: if ($newpostsflag) {
625: $chglink .= '&previous='.$prevread;
626: }
627:
628: if ($visible) {
629: # Print the discusssion
630: if ($outputtarget ne 'tex') {
631: my $colspan=$maxdepth+1;
632: $discussion.= qq|
633: <script>
634: function studentdelete (symb,idx,newflag,previous) {
635: var symbparm = symb+':::'+idx
636: var prevparm = ""
637: if (newflag == 1) {
638: prevparm = "&previous="+previous
639: }
640: if (confirm("Are you sure you want to delete this post?\\nDeleted posts will no longer be visible to you and other students,\\nbut will continue to be visible to your instructor")) {
641: document.location.href = "/adm/feedback?hide="+symbparm+prevparm
642: }
643: }
644: </script>
645: |;
646: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$symb.'"><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
647: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
648: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
649: if ($visible>2) {
650: $discussion.='<td align="left">'.
651: '<a href="/adm/feedback?threadedon='.$ressymb;
652: if ($newpostsflag) {
653: $discussion .= '&previous='.$prevread;
654: }
655: $discussion .='">'.&mt('Threaded View').'</a> '.
656: '<a href="/adm/feedback?threadedoff='.$ressymb;
657: if ($newpostsflag) {
658: $discussion .= '&previous='.$prevread;
659: }
660: $discussion .='">'.&mt('Chronological View').'</a>
661: <a href= "/adm/feedback?sortfilter='.$ressymb;
662: if ($newpostsflag) {
663: $discussion .= '&previous='.$prevread;
664: }
665: $discussion .='">'.&mt('Sorting/Filtering options').'</a>  ';
666: } else {
667: $discussion .= '<td align="left">';
668: }
669: $discussion .='<a href= "/adm/feedback?export='.$ressymb;
670: if ($newpostsflag) {
671: $discussion .= '&previous='.$prevread;
672: }
673: $discussion .= '">'.&mt('Export').'?</a> </td>';
674: if ($newpostsflag) {
675: if (!$markondisp) {
676: $discussion .='<td align="right"><a href="/adm/feedback?markread='.$ressymb.'">'.&mt('Mark NEW posts no longer new').'</a> ';
677: } else {
678: $discussion .= '<td> </td>';
679: }
680: } else {
681: $discussion .= '<td> </td>';
682: }
683: $discussion .= '</tr></table></td></tr>';
684: } else {
685: $discussion.='\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
686: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
687: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
688: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
689: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}';
690: }
691: my $numhidden = keys %notshown;
692: if ($numhidden > 0) {
693: my $colspan = $maxdepth+1;
694: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
695: '<a href="/adm/feedback?allposts='.$ressymb;
696: if ($newpostsflag) {
697: $discussion .= '&previous='.$prevread;
698: }
699: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
700: $numhidden.' ';
701: if ($showunmark) {
702: $discussion .= &mt('posts previously marked read');
703: } else {
704: $discussion .= &mt('previously viewed posts');
705: }
706: $discussion .= '<br/></td></tr>';
707: }
708:
709: # Choose sort mechanism
710: my @showposts = ();
711: if ($sortposts eq 'descdate') {
712: @showposts = (sort { $b <=> $a } keys %alldiscussion);
713: } elsif ($sortposts eq 'thread') {
714: @showposts = (sort { $a <=> $b } keys %alldiscussion);
715: } elsif ($sortposts eq 'subject') {
716: foreach (sort keys %subjectsort) {
717: push @showposts, @{$subjectsort{$_}};
718: }
719: } elsif ($sortposts eq 'username') {
720: foreach my $domain (sort keys %usernamesort) {
721: foreach (sort keys %{$usernamesort{$domain}}) {
722: push @showposts, @{$usernamesort{$domain}{$_}};
723: }
724: }
725: } elsif ($sortposts eq 'lastfirst') {
726: foreach my $last (sort keys %namesort) {
727: foreach (sort keys %{$namesort{$last}}) {
728: push @showposts, @{$namesort{$last}{$_}};
729: }
730: }
731: } else {
732: $sortposts = 'ascdate';
733: @showposts = (sort { $a <=> $b } keys %alldiscussion);
734: }
735: foreach (@showposts) {
736: unless (($sortposts eq 'thread') || ($sortposts eq 'ascdate' && $ENV{'environment.threadeddiscussion'})) {
737: $alldiscussion{$_} = $_;
738: }
739: unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) {
740: if ($outputtarget ne 'tex') {
741: $discussion.="\n<tr>";
742: } else {
743: $discussion.='\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}';
744: }
745: my $thisdepth=$depth[$alldiscussion{$_}];
746: if ($outputtarget ne 'tex') {
747: for (1..$thisdepth) {
748: $discussion.='<td> </td>';
749: }
750: }
751: my $colspan=$maxdepth-$thisdepth+1;
752: if ($outputtarget ne 'tex') {
753: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}].'" colspan="'.$colspan.'">'.
754: $discussionitems[$alldiscussion{$_}].
755: '</td></tr>';
756: } else {
757: #cleanup block
758: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
759: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
760: my $threadinsert='';
761: if ($thisdepth > 0) {
762: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
763: }
764: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
765: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
766: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
767:
768: #FIXME xmlparse can't be safely called from inside xmlparse
769: # due to the global variables that are use, the safe
770: # space etc. I expect this has unforseen issues that
771: # need resolving.
772:
773: $discussion.=&Apache::lonxml::xmlparse('','tex',$discussionitems[$alldiscussion{$_}]);
774: }
775: }
776: }
777: if ($outputtarget ne 'tex') {
778: my $colspan=$maxdepth+1;
779: $discussion .= <<END;
780: <tr bgcolor="#FFFFFF">
781: <td colspan="$colspan" valign="top">
782: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
783: <tr>
784: <td align="left">
785: <table border="0" cellpadding="0" cellspacing="4">
786: <tr>
787: <td>
788: <font size="-1"><b>$lt{'cuse'}</b>:</td>
789: <td> </td>
790: <td><font size="-1">
791: END
792: if ($newpostsflag) {
793: $discussion .=
794: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
795: if ($dischash{$toggkey}) {
796: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
797: }
798: } else {
799: if ($dischash{$toggkey}) {
800: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
801: } else {
802: $discussion .=
803: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
804: }
805: }
806: $discussion .= <<END;
807: </font></td>
808: <td> </td>
809: <td>
810: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
811: </td>
812: </tr>
813: </table>
814: </td>
815: END
816: if ($dischash{$toggkey}) {
817: my $storebutton = &mt('Store read/unread changes');
818: $discussion.='<td align="right">'.
819: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".
820: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
821: ' onClick="this.form.submit();">'."\n".
822: '</td>';
823: }
824: $discussion .= (<<END);
825: </tr>
826: </table>
827: </td>
828: </tr>
829: </table>
830: <br /><br /></form>
831: END
832: }
833: }
834: if ($discussiononly) {
835: my $now = time;
836: my $attachnum = 0;
837: my $newattachmsg = '';
838: my @currnewattach = ();
839: my @currdelold = ();
840: my $comment = '';
841: my $subject = '';
842: if ($ENV{'form.origpage'}) {
843: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
844: $subject = &HTML::Entities::encode($ENV{'form.subject'},'<>&"');
845: $comment = &HTML::Entities::encode($ENV{'form.comment'},'<>&"');
846: my @keepold = ();
847: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
848: if (@currnewattach > 0) {
849: $attachnum += @currnewattach;
850: }
851: }
852: $discussion.=(<<ENDDISCUSS);
853: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
854: <input type="submit" name="discuss" value="Post Discussion" />
855: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
856: <input type="hidden" name="symb" value="$ressymb" />
857: <input type="hidden" name="sendit" value="true" />
858: <input type="hidden" name="timestamp" value="$now" />
859: <br /><a name="newpost"></a>
860: <font size="1">Note: in anonymous discussion, your name is visible only
861: to course faculty</font><br />
862: <b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
863: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
864: ENDDISCUSS
865: if ($ENV{'form.origpage'}) {
866: $discussion.='<input type="hidden" name="origpage" value="'.$ENV{'form.origpage'}.'" />'."\n";
867: foreach (@currnewattach) {
868: $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
869: }
870: }
871: $discussion.="</form>\n";
872: if ($outputtarget ne 'tex') {
873: $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode);
874: if (@currnewattach > 0) {
875: $newattachmsg .= '<b>New attachments</b><br />';
876: if (@currnewattach > 1) {
877: $newattachmsg .= '<ol>';
878: foreach my $item (@currnewattach) {
879: $item =~ m#.*/([^/]+)$#;
880: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
881: }
882: $newattachmsg .= '</ol>'."\n";
883: } else {
884: $currnewattach[0] =~ m#.*/([^/]+)$#;
885: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
886: }
887: }
888: $discussion.=$newattachmsg;
889: $discussion.=&generate_preview_button();
890: }
891: } else {
892: if (&discussion_open($status) &&
893: &Apache::lonnet::allowed('pch',
894: $ENV{'request.course.id'}.
895: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
896: if ($outputtarget ne 'tex') {
897: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='.
898: $symb.':::" '.$target.'>'.
899: '<img src="/adm/lonMisc/chat.gif" border="0" />'.
900: &mt('Post Discussion').'</a></td></tr></table>';
901: }
902: }
903: }
904: return $discussion;
905: }
906:
907: sub mail_screen {
908: my ($r,$feedurl,$options) = @_;
909: if (exists($ENV{'form.origpage'})) {
910: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss']);
911: }
912: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion',
913: '','onLoad="window.focus();setposttype();"');
914: my $title=&Apache::lonnet::gettitle($feedurl);
915: if (!$title) { $title = $feedurl; }
916: my $quote='';
917: my $subject = '';
918: my $comment = '';
919: my $prevtag = '';
920: my $parentmsg = '';
921: my ($symb,$idx,$attachmenturls);
922: my $numoldver = 0;
923: my $attachmsg = '';
924: my $newattachmsg = '';
925: my @currnewattach = ();
926: my @currdelold = ();
927: my @keepold = ();
928: my %attachments = ();
929: my %currattach = ();
930: my $attachnum = 0;
931: my $anonchk = (<<END);
932: function anonchk() {
933: if (document.mailform.anondiscuss.checked == true) {
934: document.attachment.anondiscuss.value = '1'
935: }
936: if (document.mailform.discuss.checked == true) {
937: document.attachment.discuss.value = '1'
938: }
939: return
940: }
941: END
942: my $anonscript;
943: if (exists($ENV{'form.origpage'})) {
944: $anonscript = (<<END);
945: function setposttype() {
946: var anondisc = $ENV{'form.anondiscuss'};
947: var disc = $ENV{'form.discuss'};
948: if (anondisc == 1) {
949: document.mailform.anondiscuss.checked = true
950: }
951: if (disc == 1) {
952: document.mailform.discuss.checked = true
953: }
954: return
955: }
956: END
957: } else {
958: $anonscript = (<<END);
959: function setposttype() {
960: return
961: }
962: END
963: }
964: if (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
965: if ($ENV{'form.replydisc'}) {
966: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
967: } else {
968: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});
969: }
970: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
971: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
972: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
973: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
974: if ($contrib{$idx.':history'}) {
975: if ($contrib{$idx.':history'} =~ /:/) {
976: my @oldversions = split/:/,$contrib{$idx.':history'};
977: $numoldver = @oldversions;
978: } else {
979: $numoldver = 1;
980: }
981: }
982: if ($ENV{'form.replydisc'}) {
983: if ($contrib{$idx.':history'}) {
984: if ($contrib{$idx.':history'} =~ /:/) {
985: my @oldversions = split/:/,$contrib{$idx.':history'};
986: $numoldver = @oldversions;
987: } else {
988: $numoldver = 1;
989: }
990: }
991: my $message;
992: if ($idx > 0) {
993: if ($contrib{$idx.':message'} =~ /^<version num="0"/) {
994: my %versions = ();
995: &get_post_versions(\%versions,$contrib{$idx.':message'},$numoldver);
996: $message = &HTML::Entities::decode($versions{$numoldver});
997: } else {
998: $message = $contrib{$idx.':message'};
999: }
1000: } else {
1001: $message=$contrib{$idx.':message'};
1002: }
1003: $message=~s/\n/\<br \/\>/g;
1004: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>';
1005: if ($idx > 0) {
1006: if ($contrib{$idx.':subject'} =~ /^<version num="0"/) {
1007: my %versions = ();
1008: &get_post_versions(\%versions,$contrib{$idx.':subject'},$numoldver);
1009: $subject = &HTML::Entities::decode($versions{$numoldver});
1010: } else {
1011: $subject = $contrib{$idx.':subject'};
1012: }
1013: $subject = 'Re: '.$subject;
1014: }
1015: $subject = &HTML::Entities::encode($subject,'<>&"');
1016: } else {
1017: $attachmenturls = $contrib{$idx.':attachmenturl'};
1018: if ($contrib{$idx.':message'} =~ /^<version num="0">/) {
1019: my %versions = ();
1020: &get_post_versions(\%versions,$contrib{$idx.':message'},$numoldver);
1021: $comment = $versions{$numoldver};
1022: } else {
1023: $comment = &HTML::Entities::encode($contrib{$idx.':message'},'<>&"');
1024: }
1025: if ($contrib{$idx.':subject'} =~ /<version num="0">/) {
1026: my %versions = ();
1027: &get_post_versions(\%versions,$contrib{$idx.':subject'},$numoldver);
1028: $subject = $versions{$numoldver};
1029: } else {
1030: $subject = &HTML::Entities::encode($contrib{$idx.':subject'},'<>&"');
1031: }
1032: if (defined($contrib{$idx.':replyto'})) {
1033: $parentmsg = $contrib{$idx.':replyto'};
1034: }
1035: unless (exists($ENV{'form.origpage'})) {
1036: my $anonflag = 0;
1037: if ($contrib{$idx.':anonymous'}) {
1038: $anonflag = 1;
1039: }
1040: $anonscript = (<<END);
1041: function setposttype () {
1042: var currtype = $anonflag
1043: if (currtype == 1) {
1044: document.mailform.elements.discuss.checked = false
1045: document.mailform.elements.anondiscuss.checked = true
1046: }
1047: if (currtype == 0) {
1048: document.mailform.elements.anondiscuss.checked = false
1049: document.mailform.elements.discuss.checked = true
1050: }
1051: return
1052: }
1053: END
1054: }
1055: }
1056: }
1057: if ($ENV{'form.previous'}) {
1058: $prevtag = '<input type="hidden" name="previous" value="'.$ENV{'form.previous'}.'" />';
1059: }
1060: }
1061:
1062: if ($ENV{'form.origpage'}) {
1063: $subject = $ENV{'form.subject'};
1064: $comment = $ENV{'form.comment'};
1065: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1066: }
1067: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
1068: my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders();
1069: my $send=&mt('Send');
1070: $r->print(<<END);
1071: <html>
1072: <head>
1073: <title>The LearningOnline Network with CAPA</title>
1074: <meta http-equiv="pragma" content="no-cache"></meta>
1075: $htmlheader
1076: <script type="text/javascript">
1077: //<!--
1078: function gosubmit() {
1079: var rec=0;
1080: if (typeof(document.mailform.elements.author)!="undefined") {
1081: if (document.mailform.elements.author.checked) {
1082: rec=1;
1083: }
1084: }
1085: if (typeof(document.mailform.elements.question)!="undefined") {
1086: if (document.mailform.elements.question.checked) {
1087: rec=1;
1088: }
1089: }
1090: if (typeof(document.mailform.elements.course)!="undefined") {
1091: if (document.mailform.elements.course.checked) {
1092: rec=1;
1093: }
1094: }
1095: if (typeof(document.mailform.elements.policy)!="undefined") {
1096: if (document.mailform.elements.policy.checked) {
1097: rec=1;
1098: }
1099: }
1100: if (typeof(document.mailform.elements.discuss)!="undefined") {
1101: if (document.mailform.elements.discuss.checked) {
1102: rec=1;
1103: }
1104: }
1105: if (typeof(document.mailform.elements.anondiscuss)!="undefined") {
1106: if (document.mailform.elements.anondiscuss.checked) {
1107: rec=1;
1108: }
1109: }
1110:
1111: if (rec) {
1112: if (typeof(document.mailform.onsubmit)!='undefined') {
1113: document.mailform.onsubmit();
1114: }
1115: document.mailform.submit();
1116: } else {
1117: alert('Please check a feedback type.');
1118: }
1119: }
1120: $anonchk
1121: $anonscript
1122: //-->
1123: </script>
1124: </head>
1125: $bodytag
1126: <h2><tt>$title</tt></h2>
1127: <form action="/adm/feedback" method="post" name="mailform"
1128: enctype="multipart/form-data">
1129: $prevtag
1130: <input type="hidden" name="postdata" value="$feedurl" />
1131: END
1132: if ($ENV{'form.replydisc'}) {
1133: $r->print(<<END);
1134: <input type="hidden" name="replydisc" value="$ENV{'form.replydisc'}" />
1135: END
1136: } elsif ($ENV{'form.editdisc'}) {
1137: $r->print(<<END);
1138: <input type="hidden" name="editdisc" value ="$ENV{'form.editdisc'}" />
1139: <input type="hidden" name="parentmsg" value ="$parentmsg" />
1140: END
1141: }
1142: $r->print(<<END);
1143: Please check at least one of the following feedback types:
1144: $options<hr />
1145: $quote
1146: <p>My question/comment/feedback:</p>
1147: <p>
1148: $latexHelp
1149: Title: <input type="text" name="subject" size="30" value="$subject" /></p>
1150: <p>
1151: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1152: </textarea></p>
1153: <p>
1154: END
1155: if ( ($ENV{'form.editdisc'}) || ($ENV{'form.replydisc'}) ) {
1156: if ($ENV{'form.origpage'}) {
1157: foreach (@currnewattach) {
1158: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
1159: }
1160: foreach (@currdelold) {
1161: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
1162: }
1163: }
1164: if ($ENV{'form.editdisc'}) {
1165: if ($attachmenturls) {
1166: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1167: $attachnum = scalar(keys %currattach);
1168: foreach (keys %currattach) {
1169: $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n");
1170: }
1171: }
1172: }
1173: } else {
1174: $r->print(<<END);
1175: Attachment (128 KB max size): <input type="file" name="attachment" />
1176: </p>
1177: END
1178: }
1179: $r->print(<<END);
1180: <p>
1181: <input type="hidden" name="sendit" value="1" />
1182: <input type="button" value="$send" onClick='gosubmit();' />
1183: </p>
1184: </form>
1185: END
1186: if ($ENV{'form.editdisc'} || $ENV{'form.replydisc'}) {
1187: my $now = time;
1188: my $ressymb = $symb;
1189: my $postidx = '';
1190: if ($ENV{'form.editdisc'}) {
1191: $postidx = $idx;
1192: }
1193: if (@currnewattach > 0) {
1194: $attachnum += @currnewattach;
1195: }
1196: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver));
1197: if ($attachnum > 0) {
1198: if (@currnewattach > 0) {
1199: $newattachmsg .= '<b>New attachments</b><br />';
1200: if (@currnewattach > 1) {
1201: $newattachmsg .= '<ol>';
1202: foreach my $item (@currnewattach) {
1203: $item =~ m#.*/([^/]+)$#;
1204: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1205: }
1206: $newattachmsg .= '</ol>'."\n";
1207: } else {
1208: $currnewattach[0] =~ m#.*/([^/]+)$#;
1209: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1210: }
1211: }
1212: if ($attachmsg) {
1213: $r->print("<b>Retained attachments</b>:$attachmsg<br />\n");
1214: }
1215: if ($newattachmsg) {
1216: $r->print("$newattachmsg<br />");
1217: }
1218: }
1219: }
1220: $r->print(&generate_preview_button().
1221: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1222: '</body></html>');
1223: }
1224:
1225: sub print_display_options {
1226: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1227: # backward compatibility (bulletin boards used to be 'wrapped')
1228: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1229: $feedurl=~s|^/adm/wrapper||;
1230: }
1231:
1232: my $function = &Apache::loncommon::get_users_function();
1233: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1234: $ENV{'user.domain'});
1235: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1236: '','');
1237:
1238: my %lt = &Apache::lonlocal::texthash(
1239: 'dido' => 'Discussion display options',
1240: 'pref' => 'Display Preference',
1241: 'curr' => 'Current setting ',
1242: 'actn' => 'Action',
1243: 'deff' => 'Default for all discussions',
1244: 'prca' => 'Preferences can be set for this discussion that determine ....',
1245: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
1246: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1247: 'wipa' => 'Whether individual posts can be marked as read/unread',
1248: 'allposts' => 'All posts',
1249: 'unread' => 'New posts only',
1250: 'unmark' => 'Posts not marked read',
1251: 'ondisp' => 'Once displayed',
1252: 'onmark' => 'Once marked not NEW ',
1253: 'toggon' => 'Shown',
1254: 'toggoff' => 'Not shown',
1255: 'disa' => 'Posts displayed?',
1256: 'npmr' => 'New posts cease to be identified as "NEW"?',
1257: 'dotm' => 'Option to mark each post as read/unread?',
1258: 'chgt' => 'Change to ',
1259: 'mkdf' => 'Set to ',
1260: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1261: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1262: );
1263:
1264: my $dispchangeA = $lt{'unread'};
1265: my $dispchangeB = $lt{'unmark'};
1266: my $markchange = $lt{'ondisp'};
1267: my $toggchange = $lt{'toggon'};
1268: my $currdisp = $lt{'allposts'};
1269: my $currmark = $lt{'onmark'};
1270: my $discdisp = 'allposts';
1271: my $discmark = 'onmark';
1272: my $currtogg = $lt{'toggoff'};
1273: my $disctogg = 'toggoff';
1274:
1275: if ($dispchgA eq 'allposts') {
1276: $dispchangeA = $lt{'allposts'};
1277: $currdisp = $lt{'unread'};
1278: $discdisp = 'unread';
1279: }
1280:
1281: if ($markchg eq 'markonread') {
1282: $markchange = $lt{'onmark'};
1283: $currmark = $lt{'ondisp'};
1284: $discmark = 'ondisp';
1285: }
1286:
1287: if ($dispchgB eq 'onlyunread') {
1288: $dispchangeB = $lt{'unread'};
1289: $currdisp = $lt{'unmark'};
1290: $discdisp = 'unmark';
1291: }
1292: if ($toggchg eq 'toggoff') {
1293: $toggchange = $lt{'toggoff'};
1294: $currtogg = $lt{'toggon'};
1295: $disctogg = 'toggon';
1296: }
1297: $r->print(<<END);
1298: <html>
1299: <head>
1300: <title>$lt{'dido'}</title>
1301: <meta http-equiv="pragma" content="no-cache" />
1302: <script>
1303: function discdispChk(caller) {
1304: var disctogg = '$toggchg'
1305: if (caller == 0) {
1306: if (document.modifydisp.discdisp[0].checked == true) {
1307: if (document.modifydisp.discdisp[1].checked == true) {
1308: document.modifydisp.discdisp[1].checked = false
1309: }
1310: }
1311: }
1312: if (caller == 1) {
1313: if (document.modifydisp.discdisp[1].checked == true) {
1314: if (document.modifydisp.discdisp[0].checked == true) {
1315: document.modifydisp.discdisp[0].checked = false
1316: }
1317: if (disctogg == 'toggon') {
1318: document.modifydisp.disctogg.checked = true
1319: }
1320: if (disctogg == 'toggoff') {
1321: document.modifydisp.disctogg.checked = false
1322: }
1323: }
1324: }
1325: if (caller == 2) {
1326: var dispchgB = '$dispchgB'
1327: if (disctogg == 'toggoff') {
1328: if (document.modifydisp.disctogg.checked == true) {
1329: if (dispchgB == 'onlyunmark') {
1330: document.modifydisp.discdisp[1].checked = false
1331: }
1332: }
1333: }
1334: }
1335: }
1336:
1337: function setDisp() {
1338: var prev = "$previous"
1339: var chktotal = 0
1340: if (document.modifydisp.discdisp[0].checked == true) {
1341: document.modifydisp.$dispchgA.value = "$symb"
1342: chktotal ++
1343: }
1344: if (document.modifydisp.discdisp[1].checked == true) {
1345: document.modifydisp.$dispchgB.value = "$symb"
1346: chktotal ++
1347: }
1348: if (document.modifydisp.discmark.checked == true) {
1349: document.modifydisp.$markchg.value = "$symb"
1350: chktotal ++
1351: }
1352: if (document.modifydisp.disctogg.checked == true) {
1353: document.modifydisp.$toggchg.value = "$symb"
1354: chktotal ++
1355: }
1356: if (chktotal > 0) {
1357: document.modifydisp.submit()
1358: } else {
1359: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1360: if (prev > 0) {
1361: location.href = "$feedurl?previous=$previous"
1362: } else {
1363: location.href = "$feedurl"
1364: }
1365: }
1366: }
1367: }
1368: </script>
1369: </head>
1370: $bodytag
1371: <form name="modifydisp" method="post" action="/adm/feedback">
1372: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1373: <br />
1374: <table border="0" cellpadding="0" cellspacing="0">
1375: <tr>
1376: <td width="100%" bgcolor="#000000">
1377: <table width="100%" border="0" cellpadding="1" cellspacing="0">
1378: <tr>
1379: <td width="100%" bgcolor="#000000">
1380: <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
1381: <tr bgcolor="$tabcolor">
1382: <td><b>$lt{'pref'}</b></td>
1383: <td><b>$lt{'curr'}</b></td>
1384: <td><b>$lt{'actn'}?</b></td>
1385: </tr>
1386: <tr bgcolor="#dddddd">
1387: <td>$lt{'disa'}</td>
1388: <td>$lt{$discdisp}</td>
1389: <td><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"
1390: <br />
1391: <input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"
1392: </td>
1393: </tr><tr bgcolor="#eeeeee">
1394: <td>$lt{'npmr'}</td>
1395: <td>$lt{$discmark}</td>
1396: <td><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</td>
1397: </tr><tr bgcolor="#dddddd">
1398: <td>$lt{'dotm'}</td>
1399: <td>$lt{$disctogg}</td>
1400: <td><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</td>
1401: </tr>
1402: </table>
1403: </td>
1404: </tr>
1405: </table>
1406: </td>
1407: </tr>
1408: </table>
1409: <br />
1410: <br />
1411: <input type="hidden" name="previous" value="$previous" />
1412: <input type="hidden" name="$dispchgA" value=""/>
1413: <input type="hidden" name="$dispchgB" value=""/>
1414: <input type="hidden" name="$markchg" value=""/>
1415: <input type="hidden" name="$toggchg" value="" />
1416: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
1417: <br />
1418: <br />
1419: </form>
1420: </body>
1421: </html>
1422: END
1423: return;
1424: }
1425:
1426: sub print_sortfilter_options {
1427: my ($r,$symb,$previous,$feedurl) = @_;
1428: # backward compatibility (bulletin boards used to be 'wrapped')
1429: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1430: $feedurl=~s|^/adm/wrapper||;
1431: }
1432: my @sections = ();
1433: my $section_sel = '';
1434: my $numsections = 0;
1435: my $numvisible = 5;
1436: my ($classlist) = &Apache::loncoursedata::get_classlist(
1437: $ENV{'request.course.id'},
1438: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1439: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1440:
1441: my $sec_index = &Apache::loncoursedata::CL_SECTION();
1442: my $status_index = &Apache::loncoursedata::CL_STATUS();
1443: my %sectioncount = ();
1444: while (my ($student,$data) = each %$classlist) {
1445: my ($section,$status) = ($data->[$sec_index],
1446: $data->[$status_index]);
1447: unless ($section eq '' || $section =~ /^\s*$/) {
1448: if (!defined($sectioncount{$section})) {
1449: $sectioncount{$section} = 1;
1450: $numsections ++;
1451: } else {
1452: $sectioncount{$section} ++;
1453: }
1454: }
1455: }
1456:
1457: if ($ENV{'request.course.sec'} !~ /^\s*$/) {
1458: @sections = ($ENV{'request.course.sec'});
1459: $numvisible = 1;
1460: } else {
1461: @sections = sort {$a cmp $b} keys(%sectioncount);
1462: unshift(@sections,'all'); # Put 'all' at the front of the list
1463: if ($numsections < 4) {
1464: $numvisible = $numsections + 1;
1465: }
1466: }
1467: foreach (@sections) {
1468: $section_sel .= " <option value=\"$_\" />$_\n";
1469: }
1470:
1471: my $function = &Apache::loncommon::get_users_function();
1472: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1473: $ENV{'user.domain'});
1474: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1475: '','');
1476: my %lt = &Apache::lonlocal::texthash(
1477: 'diso' => 'Discussion sorting and filtering options',
1478: 'diop' => 'Display Options',
1479: 'curr' => 'Current setting ',
1480: 'actn' => 'Action',
1481: 'prca' => 'Options can be set that control the sort order of the posts, in addition to which posts are displayed.',
1482: 'soor' => 'Sort order',
1483: 'disp' => 'Specific user roles',
1484: 'actv' => 'Specific role status',
1485: 'spse' => 'Specific sections',
1486: 'psub' => 'Pick specific users (by name)',
1487: 'shal' => 'Show a list of current posters'
1488: );
1489: $r->print(<<END);
1490: <html>
1491: <head>
1492: <title>$lt{'diso'}</title>
1493: <meta http-equiv="pragma" content="no-cache" />
1494: </head>
1495: $bodytag
1496: <form name="modifyshown" method="post" action="/adm/feedback">
1497: <b>$lt{'diso'}</b><br/> $lt{'prca'}
1498: <br /><br />
1499: <table border="0">
1500: <tr>
1501: <td><b>$lt{'soor'}</b></td>
1502: <td> </td>
1503: <td><b>$lt{'disp'}</b></td>
1504: <td> </td>
1505: <td><b>$lt{'actv'}</b></td>
1506: <td> </td>
1507: <td><b>$lt{'spse'}</b></td>
1508: <td> </td>
1509: <td><b>$lt{'psub'}</b></td>
1510: </tr>
1511: <tr>
1512: <td>
1513: <select name="sortposts">
1514: <option value="ascdate" />Date order - oldest first
1515: <option value="descdate" />Date order - newest first
1516: <option value="thread" />Threaded
1517: <option value="subject" />By subject
1518: <option value="username" />By domain and username
1519: <option value="lastfirst" />By last name, first name
1520: </select>
1521: </td>
1522: <td> </td>
1523: <td>
1524: <select name="rolefilter" multiple="true" size="5">
1525: <option value="all" />All users
1526: <option value="st" />Students
1527: <option value="cc" />Course Coordinators
1528: <option value="in" />Instructors
1529: <option value="ta" />TAs
1530: <option value="pr" />Exam proctors
1531: <option value="cr" />Custom roles
1532: </select>
1533: </td>
1534: <td> </td>
1535: <td>
1536: <select name="statusfilter">
1537: <option value="all" />Roles of any status
1538: <option value="Active" />Only active roles
1539: <option value="Expired" />Only inactive roles
1540: </select>
1541: </td>
1542: <td> </td>
1543: <td>
1544: <select name="sectionpick" multiple="true" size="$numvisible">
1545: $section_sel
1546: </select>
1547: </td>
1548: <td> </td>
1549: <td><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</td>
1550: </tr>
1551: </table>
1552: <br />
1553: <br />
1554: <input type="hidden" name="previous" value="$previous" />
1555: <input type="hidden" name="applysort" value="$symb" />
1556: <input type="button" name="sub" value="Store Changes" onClick="javascript:document.modifyshown.submit()" />
1557: <br />
1558: <br />
1559: </form>
1560: </body>
1561: </html>
1562: END
1563: }
1564:
1565: sub print_showposters {
1566: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
1567: # backward compatibility (bulletin boards used to be 'wrapped')
1568: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1569: $feedurl=~s|^/adm/wrapper||;
1570: }
1571: # backward compatibility (bulletin boards used to be 'wrapped')
1572: my $ressymb=$symb;
1573: if ($ressymb =~ /bulletin___\d+___/) {
1574: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
1575: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
1576: }
1577: }
1578: my $crs='/'.$ENV{'request.course.id'};
1579: if ($ENV{'request.course.sec'}) {
1580: $crs.='_'.$ENV{'request.course.sec'};
1581: }
1582: $crs=~s/\_/\//g;
1583: my $seeid=&Apache::lonnet::allowed('rin',$crs);
1584: my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
1585: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1586: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1587: my %namesort = ();
1588: my %postcounts = ();
1589: my %lt=&Apache::lonlocal::texthash(
1590: 'diso' => 'Discussion filtering options',
1591: );
1592: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1593: '','');
1594: if ($contrib{'version'}) {
1595: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
1596: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
1597: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
1598: unless ((($hidden) && (!$seeid)) || ($deleted)) {
1599: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
1600: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1601: my $lastname = $names{'lastname'};
1602: my $firstname = $names{'firstname'};
1603: if ($lastname eq '') {
1604: $lastname = '_';
1605: }
1606: if ($firstname eq '') {
1607: $firstname = '_';
1608: }
1609: unless (defined($namesort{$lastname})) {
1610: %{$namesort{$lastname}} = ();
1611: }
1612: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
1613: $postcounts{$poster} ++;
1614: if (defined($namesort{$lastname}{$firstname})) {
1615: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
1616: push @{$namesort{$lastname}{$firstname}}, $poster;
1617: }
1618: } else {
1619: @{$namesort{$lastname}{$firstname}} = ("$poster");
1620: }
1621: }
1622: }
1623: }
1624: }
1625: $r->print(<<END);
1626: <html>
1627: <head>
1628: <title>$lt{'diso'}</title>
1629: <meta http-equiv="pragma" content="no-cache" />
1630: </head>
1631: $bodytag
1632: <form name="pickpostersform" method="post">
1633: <table border="0">
1634: <tr>
1635: <td bgcolor="#777777">
1636: <table border="0" cellpadding="3">
1637: <tr bgcolor="#e6ffff">
1638: <td><b>No.</b></td>
1639: <td><b>Select</b></td>
1640: <td><b>Fullname</b><font color="#999999">(Username/domain)</font></td>
1641: <td><b>Posts</td>
1642: </tr>
1643: END
1644: my $count = 0;
1645: foreach my $last (sort keys %namesort) {
1646: foreach my $first (sort keys %{$namesort{$last}}) {
1647: foreach (sort @{$namesort{$last}{$first}}) {
1648: my ($uname,$udom) = split/:/,$_;
1649: if (!$uname || !$udom) {
1650: next;
1651: } else {
1652: $count ++;
1653: $r->print('<tr bgcolor="#ffffe6"><td align="right">'.$count.'</td><td align="center"><input name="stuinfo" type="checkbox" value="'.$_.'" /></td><td>'.$last.', '.$first.' ('.$uname.','.$udom.')</td><td>'.$postcounts{$_}.'</td></tr>');
1654: }
1655: }
1656: }
1657: }
1658: $r->print(<<END);
1659: </table>
1660: </td>
1661: </tr>
1662: </table>
1663: <br />
1664: <input type="hidden" name="sortposts" value="$sortposts" />
1665: <input type="hidden" name="userpick" value="$symb" />
1666: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
1667: </form>
1668: </body>
1669: </html>
1670: END
1671: }
1672:
1673: sub get_post_versions {
1674: my ($versions,$incoming,$numver) = @_;
1675: my $p = HTML::LCParser->new(\$incoming);
1676: my $done = 0;
1677: while ( (my $token = $p->get_tag("version")) && (!$done)) {
1678: my $num = $token->[1]{num};
1679: my $text = $p->get_text("/version");
1680: if (defined($numver)) {
1681: if ($num == $numver) {
1682: $$versions{$numver}=$text;
1683: $done = 1;
1684: }
1685: } else {
1686: $$versions{$num}=$text;
1687: }
1688: }
1689: return;
1690: }
1691:
1692: sub get_post_attachments {
1693: my ($attachments,$attachmenturls) = @_;
1694: my $num;
1695: my $p = HTML::LCParser->new(\$attachmenturls);
1696: while (my $token = $p->get_tag("attachment","filename","post")) {
1697: if ($token->[0] eq "attachment") {
1698: $num = $token->[1]{id};
1699: %{$$attachments{$num}} =();
1700: } elsif ($token->[0] eq "filename") {
1701: $$attachments{$num}{'filename'} = $p->get_text("/filename");
1702: } elsif ($token->[0] eq "post") {
1703: my $id = $token->[1]{id};
1704: $$attachments{$num}{$id} = $p->get_text("/post");
1705: }
1706: }
1707: return;
1708: }
1709:
1710: sub fail_redirect {;
1711: my ($r,$feedurl) = @_;
1712: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
1713: $r->print (<<ENDFAILREDIR);
1714: <html>
1715: <head><title>Feedback not sent</title>
1716: <meta http-equiv="pragma" content="no-cache" />
1717: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
1718: </head>
1719: <body bgcolor="#FFFFFF">
1720: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1721: <b>Sorry, no recipients ...</b>
1722: </body>
1723: </html>
1724: ENDFAILREDIR
1725: }
1726:
1727: sub redirect_back {
1728: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous,$sort,$rolefilter,$statusfilter,$secpick,$numpicks) = @_;
1729: my $sorttag = '';
1730: my $roletag = '';
1731: my $statustag = '';
1732: my $sectag = '';
1733: my $userpicktag = '';
1734: my $qrystr = '';
1735: my $prevtag = '';
1736: # backward compatibility (bulletin boards used to be 'wrapped')
1737: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1738: $feedurl=~s|^/adm/wrapper||;
1739: }
1740: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
1741: if ($previous > 0) {
1742: $qrystr = 'previous='.$previous;
1743: if ($feedurl =~ /\?register=1/) {
1744: $feedurl .= '&'.$qrystr;
1745: } else {
1746: $feedurl .= '?'.$qrystr;
1747: }
1748: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
1749: }
1750: if (defined($sort)) {
1751: my $sortqry = 'sortposts='.$sort;
1752: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
1753: $feedurl .= '&'.$sortqry;
1754: } else {
1755: $feedurl .= '?'.$sortqry;
1756: }
1757: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
1758: if ( (defined($numpicks)) && ($numpicks > 0) ) {
1759: my $userpickqry = 'totposters='.$numpicks;
1760: $feedurl .= '&'.$userpickqry;
1761: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
1762: } else {
1763: my $roleqry = 'rolefilter='.$rolefilter;
1764: $feedurl .= '&'.$roleqry;
1765: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
1766: $feedurl .= '&statusfilter='.$statusfilter;
1767: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
1768: $feedurl .= '§ionpick='.$secpick;
1769: $sectag = '<input type="hidden" name="sectionpick" value="'.$secpick.'" />';
1770: }
1771: }
1772: $r->print (<<ENDREDIR);
1773: <html>
1774: <head>
1775: <title>Feedback sent</title>
1776: <meta http-equiv="pragma" content="no-cache" />
1777: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
1778: </head>
1779: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
1780: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1781: $typestyle
1782: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
1783: <font color="red">$status</font>
1784: <form name="reldt" action="$feedurl" target="loncapaclient">
1785: $prevtag
1786: $sorttag
1787: $statustag
1788: $roletag
1789: $sectag
1790: $userpicktag
1791: </form>
1792: </body>
1793: </html>
1794: ENDREDIR
1795: }
1796:
1797: sub no_redirect_back {
1798: my ($r,$feedurl) = @_;
1799: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
1800: $r->print (<<ENDNOREDIR);
1801: <html>
1802: <head><title>Feedback not sent</title>
1803: <meta http-equiv="pragma" content="no-cache" />
1804: ENDNOREDIR
1805:
1806: if ($feedurl!~/^\/adm\/feedback/) {
1807: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.$feedurl.'">');
1808: }
1809:
1810: $r->print (<<ENDNOREDIRTWO);
1811: </head>
1812: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>
1813: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1814: <b>$nofeed</b>
1815: </body>
1816: </html>
1817: ENDNOREDIRTWO
1818: }
1819:
1820: sub screen_header {
1821: my ($feedurl) = @_;
1822: my $msgoptions='';
1823: my $discussoptions='';
1824: unless (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
1825: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) {
1826: $msgoptions=
1827: '<p><input type="checkbox" name="author" /> '.
1828: &mt('Feedback to resource author').'</p>';
1829: }
1830: if (&feedback_available(1)) {
1831: $msgoptions.=
1832: '<br /><input type="checkbox" name="question" /> '.
1833: &mt('Question about resource content');
1834: }
1835: if (&feedback_available(0,1)) {
1836: $msgoptions.=
1837: '<br /><input type="checkbox" name="course" /> '.
1838: &mt('Question/Comment/Feedback about course content');
1839: }
1840: if (&feedback_available(0,0,1)) {
1841: $msgoptions.=
1842: '<br /><input type="checkbox" name="policy" /> '.
1843: &mt('Question/Comment/Feedback about course policy');
1844: }
1845: }
1846: if ($ENV{'request.course.id'}) {
1847: if (&discussion_open() &&
1848: &Apache::lonnet::allowed('pch',
1849: $ENV{'request.course.id'}.
1850: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
1851: $discussoptions='<input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '.
1852: ($ENV{'form.replydisc'}?' checked="1"':'').' /> '.
1853: &mt('Contribution to course discussion of resource');
1854: $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
1855: &mt('Anonymous contribution to course discussion of resource').
1856: ' <i>('.&mt('name only visible to course faculty').')</i>';
1857: }
1858: }
1859: if ($msgoptions) { $msgoptions='<h2><img src="/adm/lonMisc/feedback.gif" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
1860: if ($discussoptions) {
1861: $discussoptions='<h2><img src="/adm/lonMisc/chat.gif" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
1862: return $msgoptions.$discussoptions;
1863: }
1864:
1865: sub resource_output {
1866: my ($feedurl) = @_;
1867: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
1868: $usersaw=~s/\<body[^\>]*\>//gi;
1869: $usersaw=~s/\<\/body\>//gi;
1870: $usersaw=~s/\<html\>//gi;
1871: $usersaw=~s/\<\/html\>//gi;
1872: $usersaw=~s/\<head\>//gi;
1873: $usersaw=~s/\<\/head\>//gi;
1874: $usersaw=~s/action\s*\=/would_be_action\=/gi;
1875: return $usersaw;
1876: }
1877:
1878: sub clear_out_html {
1879: my ($message,$override)=@_;
1880: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
1881: # Always allow the <m>-tag
1882: my %html=(M=>1);
1883: # Check if more is allowed
1884: my $cid=$ENV{'request.course.id'};
1885: if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
1886: ($override)) {
1887: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
1888: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
1889: # <SUP>
1890: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
1891: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
1892: M=>1, SUB=>1, SUP=>1, SPAN=>1,
1893: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
1894: }
1895: # Do the substitution of everything that is not explicitly allowed
1896: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
1897: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
1898: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
1899: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
1900: return $message;
1901: }
1902:
1903: sub assemble_email {
1904: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
1905: my $email=<<"ENDEMAIL";
1906: Refers to <a href="$feedurl">$feedurl</a>
1907:
1908: $message
1909: ENDEMAIL
1910: my $citations=<<"ENDCITE";
1911: <h2>Previous attempts of student (if applicable)</h2>
1912: $prevattempts
1913: <br /><hr />
1914: <h2>Original screen output (if applicable)</h2>
1915: $usersaw
1916: <h2>Correct Answer(s) (if applicable)</h2>
1917: $useranswer
1918: ENDCITE
1919: return ($email,$citations);
1920: }
1921:
1922: sub secapply {
1923: my $rec=shift;
1924: my $defaultflag=shift;
1925: $rec=~s/\s+//g;
1926: $rec=~s/\@/\:/g;
1927: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
1928: if ($sections) {
1929: foreach (split(/\;/,$sections)) {
1930: if (($_ eq $ENV{'request.course.sec'}) ||
1931: ($defaultflag && ($_ eq '*'))) {
1932: return $adr;
1933: }
1934: }
1935: } else {
1936: return $rec;
1937: }
1938: return '';
1939: }
1940:
1941: sub decide_receiver {
1942: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
1943: my $typestyle='';
1944: my %to=();
1945: if ($ENV{'form.author'}||$author) {
1946: $typestyle.='Submitting as Author Feedback<br>';
1947: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
1948: $to{$2.':'.$1}=1;
1949: }
1950: if ($ENV{'form.question'}||$question) {
1951: $typestyle.='Submitting as Question<br>';
1952: foreach (split(/\,/,
1953: $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'})
1954: ) {
1955: my $rec=&secapply($_,$defaultflag);
1956: if ($rec) { $to{$rec}=1; }
1957: }
1958: }
1959: if ($ENV{'form.course'}||$course) {
1960: $typestyle.='Submitting as Comment<br />';
1961: foreach (split(/\,/,
1962: $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'})
1963: ) {
1964: my $rec=&secapply($_,$defaultflag);
1965: if ($rec) { $to{$rec}=1; }
1966: }
1967: }
1968: if ($ENV{'form.policy'}||$policy) {
1969: $typestyle.='Submitting as Policy Feedback<br />';
1970: foreach (split(/\,/,
1971: $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'})
1972: ) {
1973: my $rec=&secapply($_,$defaultflag);
1974: if ($rec) { $to{$rec}=1; }
1975: }
1976: }
1977: if ((scalar(%to) eq '0') && (!$defaultflag)) {
1978: ($typestyle,%to)=
1979: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
1980: }
1981: return ($typestyle,%to);
1982: }
1983:
1984: sub feedback_available {
1985: my ($question,$course,$policy)=@_;
1986: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
1987: return scalar(%to);
1988: }
1989:
1990: sub send_msg {
1991: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_;
1992: my $status='';
1993: my $sendsomething=0;
1994: foreach (keys %to) {
1995: if ($_) {
1996: my $declutter=&Apache::lonnet::declutter($feedurl);
1997: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
1998: 'Feedback ['.$declutter.']',$email,$citations,$feedurl,
1999: $attachmenturl)=~/ok/) {
2000: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
2001: } else {
2002: $sendsomething++;
2003: }
2004: }
2005: }
2006:
2007: my %record=&Apache::lonnet::restore('_feedback');
2008: my ($temp)=keys %record;
2009: unless ($temp=~/^error\:/) {
2010: my %newrecord=();
2011: $newrecord{'resource'}=$feedurl;
2012: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2013: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2014: $status.='<br />'.&mt('Not registered').'<br />';
2015: }
2016: }
2017:
2018: return ($status,$sendsomething);
2019: }
2020:
2021: sub adddiscuss {
2022: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2023: my $status='';
2024: if (&discussion_open() &&
2025: &Apache::lonnet::allowed('pch',$ENV{'request.course.id'}.
2026: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
2027:
2028: my %contrib=('message' => $email,
2029: 'sendername' => $ENV{'user.name'},
2030: 'senderdomain' => $ENV{'user.domain'},
2031: 'screenname' => $ENV{'environment.screenname'},
2032: 'plainname' => $ENV{'environment.firstname'}.' '.
2033: $ENV{'environment.middlename'}.' '.
2034: $ENV{'environment.lastname'}.' '.
2035: $ENV{'enrironment.generation'},
2036: 'attachmenturl'=> $attachmenturl,
2037: 'subject' => $subject);
2038: if ($ENV{'form.replydisc'}) {
2039: $contrib{'replyto'}=(split(/\:\:\:/,$ENV{'form.replydisc'}))[1];
2040: }
2041: if ($anon) {
2042: $contrib{'anonymous'}='true';
2043: }
2044: if (($symb) && ($email)) {
2045: if ($ENV{'form.editdisc'}) {
2046: my %newcontrib = ();
2047: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2048: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2049: $contrib{'timestamp'} = time;
2050: $contrib{'history'} = '';
2051: my $numoldver = 0;
2052: my ($oldsymb,$oldidx)=split(/\:\:\:/,$ENV{'form.editdisc'});
2053: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2054: # get timestamp for last post and history
2055: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$ENV{'request.course.id'},
2056: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2057: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2058: if (defined($oldcontrib{$oldidx.':replyto'})) {
2059: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2060: }
2061: if (defined($oldcontrib{$oldidx.':history'})) {
2062: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2063: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'};
2064: $numoldver = @oldversions;
2065: } else {
2066: $numoldver = 1;
2067: }
2068: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2069: }
2070: my $numnewver = $numoldver + 1;
2071: if (defined($oldcontrib{$oldidx.':subject'})) {
2072: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2073: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2074: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2075: } else {
2076: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2077: }
2078: }
2079: if (defined($oldcontrib{$oldidx.':message'})) {
2080: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2081: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2082: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2083: } else {
2084: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2085: }
2086: }
2087: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2088: foreach (keys %contrib) {
2089: my $key = $oldidx.':'.&Apache::lonnet::escape($oldsymb).':'.$_;
2090: $newcontrib{$key} = $contrib{$_};
2091: }
2092: my $put_reply = &Apache::lonnet::putstore($ENV{'request.course.id'},
2093: \%newcontrib,
2094: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2095: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2096: $status='Editing class discussion'.($anon?' (anonymous)':'');
2097: } else {
2098: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2099: &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},
2100: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2101: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2102: }
2103: my %storenewentry=($symb => time);
2104: $status.='<br />'.&mt('Updating discussion time').': '.
2105: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2106: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2107: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2108: }
2109: my %record=&Apache::lonnet::restore('_discussion');
2110: my ($temp)=keys %record;
2111: unless ($temp=~/^error\:/) {
2112: my %newrecord=();
2113: $newrecord{'resource'}=$symb;
2114: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2115: $status.='<br />'.&mt('Registering').': '.
2116: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2117: }
2118: } else {
2119: $status.='Failed.';
2120: }
2121: return $status.'<br />';
2122: }
2123:
2124: # ----------------------------------------------------------- Preview function
2125:
2126: sub show_preview {
2127: my $r=shift;
2128: my $message=&clear_out_html($ENV{'form.comment'});
2129: $message=~s/\n/\<br \/\>/g;
2130: $message=&Apache::lonspeller::markeduptext($message);
2131: $message=&Apache::lontexconvert::msgtexconverted($message);
2132: my $subject=&clear_out_html($ENV{'form.subject'});
2133: $subject=~s/\n/\<br \/\>/g;
2134: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2135: $r->print('<table border="2"><tr><td>'.
2136: '<b>Subject:</b> '.$subject.'<br /><br />'.
2137: $message.'</td></tr></table>');
2138: }
2139:
2140: sub generate_preview_button {
2141: my $pre=&mt("Show Preview and Check Spelling");
2142: return(<<ENDPREVIEW);
2143: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2144: <input type="hidden" name="subject">
2145: <input type="hidden" name="comment" />
2146: <input type="button" value="$pre"
2147: onClick="if (typeof(document.mailform.onsubmit)!='undefined') {document.mailform.onsubmit();};this.form.comment.value=document.mailform.comment.value;this.form.subject.value=document.mailform.subject.value;this.form.submit();" />
2148: </form>
2149: ENDPREVIEW
2150: }
2151:
2152: sub modify_attachments {
2153: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
2154: my $subject=&clear_out_html($ENV{'form.subject'});
2155: $subject=~s/\n/\<br \/\>/g;
2156: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2157: my $timestamp=$ENV{'form.timestamp'};
2158: my $numoldver=$ENV{'form.numoldver'};
2159: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Attachments',
2160: '','');
2161: my $msg = '';
2162: my %attachments = ();
2163: my %currattach = ();
2164: if ($idx) {
2165: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
2166: }
2167: $r->print(<<END);
2168: <html>
2169: <head>
2170: <title>Managing Attachments</title>
2171: <script>
2172: function setAction () {
2173: document.modattachments.action = document.modattachments.origpage.value;
2174: document.modattachments.submit();
2175: }
2176: </script>
2177: </head>
2178: $bodytag
2179: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
2180: <table border="2">
2181: <tr>
2182: <td>
2183: <b>Subject:</b>$subject</b><br /><br />
2184: END
2185: if ($idx) {
2186: if ($attachmenturls) {
2187: my @currold = keys %currattach;
2188: if (@currold > 0) {
2189: $r->print("The following attachments were part of the most recent saved version of this posting.<br />Check the checkboxes for any you wish to remove<br />\n");
2190: foreach my $id (@currold) {
2191: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
2192: $attachurl =~ m#/([^/]+)$#;
2193: $r->print('<input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'<br />'."\n");
2194: }
2195: $r->print("<br />");
2196: }
2197: }
2198: }
2199: if (@{$currnewattach} > 0) {
2200: $r->print("The following attachments have been uploaded for inclusion with this posting.<br />Check the checkboxes for any you wish to remove<br />\n");
2201: foreach (@{$currnewattach}) {
2202: $_ =~ m#/([^/]+)$#;
2203: $r->print('<input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'<br />'."\n");
2204: }
2205: $r->print("<br />");
2206: }
2207: $r->print(<<END);
2208: Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
2209: </td>
2210: </tr>
2211: </table>
2212: <input type="hidden" name="subject" value="$ENV{'form.subject'}" />
2213: <input type="hidden" name="comment" value="$ENV{'form.comment'}" />
2214: <input type="hidden" name="timestamp" value="$ENV{'form.timestamp'}" />
2215: <input type="hidden" name="idx" value="$ENV{'form.idx'}" />
2216: <input type="hidden" name="numoldver" value="$ENV{'form.numoldver'}" />
2217: <input type="hidden" name="origpage" value="$ENV{'form.origpage'}" />
2218: <input type="hidden" name="anondiscuss" value="$ENV{'form.anondiscuss'}" />
2219: <input type="hidden" name="discuss" value="$ENV{'form.discuss'}" />
2220: END
2221: foreach (@{$currnewattach}) {
2222: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
2223: }
2224: foreach (@{$currdelold}) {
2225: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
2226: }
2227: $r->print(<<END);
2228: <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/>
2229: </form>
2230: </body>
2231: </html>
2232: END
2233: return;
2234: }
2235:
2236: sub process_attachments {
2237: my ($currnewattach,$currdelold,$keepold) = @_;
2238: if (exists($ENV{'form.currnewattach'})) {
2239: if (ref($ENV{'form.currnewattach'}) eq 'ARRAY') {
2240: @{$currnewattach} = @{$ENV{'form.currnewattach'}};
2241: } else {
2242: $$currnewattach[0] = $ENV{'form.currnewattach'};
2243: }
2244: }
2245: if (exists($ENV{'form.deloldattach'})) {
2246: if (ref($ENV{'form.deloldattach'}) eq 'ARRAY') {
2247: @{$currdelold} = @{$ENV{'form.deloldattach'}};
2248: } else {
2249: $$currdelold[0] = $ENV{'form.deloldattach'};
2250: }
2251: }
2252: if (exists($ENV{'form.delnewattach'})) {
2253: my @currdelnew = ();
2254: my @currnew = ();
2255: if (ref($ENV{'form.delnewattach'}) eq 'ARRAY') {
2256: @currdelnew = @{$ENV{'form.delnewattach'}};
2257: } else {
2258: $currdelnew[0] = $ENV{'form.delnewattach'};
2259: }
2260: foreach my $newone (@{$currnewattach}) {
2261: my $delflag = 0;
2262: foreach (@currdelnew) {
2263: if ($newone eq $_) {
2264: $delflag = 1;
2265: last;
2266: }
2267: }
2268: unless ($delflag) {
2269: push @currnew, $newone;
2270: }
2271: }
2272: @{$currnewattach} = @currnew;
2273: }
2274: if (exists($ENV{'form.keepold'})) {
2275: if (ref($ENV{'form.keepold'}) eq 'ARRAY') {
2276: @{$keepold} = @{$ENV{'form.keepold'}};
2277: } else {
2278: $$keepold[0] = $ENV{'form.keepold'};
2279: }
2280: }
2281: }
2282:
2283: sub generate_attachments_button {
2284: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_;
2285: my $origpage = $ENV{'REQUEST_URI'};
2286: my $att=$attachnum.' '.&mt("attachments");
2287: my $response = (<<END);
2288: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
2289: Click to add/remove attachments: <input type="button" value="$att"
2290: onClick="this.form.subject.value=document.mailform.subject.value;this.form.comment.value=document.mailform.comment.value;
2291: END
2292: unless ($mode eq 'board') {
2293: $response .= 'javascript:anonchk();';
2294: }
2295: $response .= (<<ENDATTACH);
2296: this.form.submit();" />
2297: <input type="hidden" name="origpage" value="$origpage" />
2298: <input type="hidden" name="idx" value="$idx" />
2299: <input type="hidden" name="timestamp" value="$now" />
2300: <input type="hidden" name="subject" />
2301: <input type="hidden" name="comment" />
2302: <input type="hidden" name="anondiscuss" value = "0";
2303: <input type="hidden" name="discuss" value = "0";
2304: <input type="hidden" name="numoldver" value="$numoldver" />
2305: ENDATTACH
2306: if (defined($deloldattach)) {
2307: if (@{$deloldattach} > 0) {
2308: foreach (@{$deloldattach}) {
2309: $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n";
2310: }
2311: }
2312: }
2313: if (defined($currnewattach)) {
2314: if (@{$currnewattach} > 0) {
2315: foreach (@{$currnewattach}) {
2316: $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
2317: }
2318: }
2319: }
2320: $response .= '</form>';
2321: return $response;
2322: }
2323:
2324: sub extract_attachments {
2325: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
2326: if ($attachmenturls =~ m/^<attachment id="0">/) {
2327: &get_post_attachments($attachments,$attachmenturls);
2328: foreach my $id (sort keys %{$attachments}) {
2329: if (exists($$attachments{$id}{$numoldver})) {
2330: if (defined($currdelold)) {
2331: if (@{$currdelold} > 0) {
2332: unless (grep/^$id$/,@{$currdelold}) {
2333: $$currattach{$id} = $$attachments{$id}{$numoldver};
2334: }
2335: } else {
2336: $$currattach{$id} = $$attachments{$id}{$numoldver};
2337: }
2338: } else {
2339: $$currattach{$id} = $$attachments{$id}{$numoldver};
2340: }
2341: }
2342: }
2343: my @attached = (sort { $a <=> $b } keys %{$currattach});
2344: if (@attached == 1) {
2345: my $id = $attached[0];
2346: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
2347: $attachurl=~m|/([^/]+)$|;
2348: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
2349: $1.'</tt></a><br />';
2350: &Apache::lonnet::allowuploaded('/adm/feedback',
2351: $attachurl);
2352: } elsif (@attached > 1) {
2353: $$message.='<ol>';
2354: foreach (@attached) {
2355: my $id = $_;
2356: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
2357: my ($fname)
2358: =($attachurl=~m|/([^/]+)$|);
2359: $$message .= '<li><a href="'.$attachurl.
2360: '"><tt>'.
2361: $fname.'</tt></a></li>';
2362: &Apache::lonnet::allowuploaded('/adm/feedback',
2363: $attachurl);
2364: }
2365: $$message .= '</ol><br />';
2366: }
2367: } else {
2368: my ($fname)
2369: =($attachmenturls=~m|/([^/]+)$|);
2370: $$message .='<p>'.&mt('Attachment').
2371: ': <a href="'.$attachmenturls.
2372: '"><tt>'.
2373: $fname.'</tt></a></p>';
2374: $$attachments{0} = $attachmenturls;
2375: $$currattach{'0'} = 'n';
2376: &Apache::lonnet::allowuploaded('/adm/feedback',
2377: $attachmenturls);
2378: }
2379: }
2380:
2381: sub construct_attachmenturl {
2382: my ($currnewattach,$keepold,$symb,$idx)=@_;
2383: my $oldattachmenturl;
2384: my $newattachmenturl;
2385: my $startnum = 0;
2386: my $currver = 0;
2387: if (($ENV{'form.editdisc'}) && ($idx)) {
2388: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2389: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2390: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2391: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
2392: if ($contrib{$idx.':history'}) {
2393: if ($contrib{$idx.':history'} =~ /:/) {
2394: my @oldversions = split/:/,$contrib{$idx.':history'};
2395: $currver = 1 + scalar(@oldversions);
2396: } else {
2397: $currver = 2;
2398: }
2399: } else {
2400: $currver = 1;
2401: }
2402: if ($oldattachmenturl) {
2403: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
2404: my %attachments = ();
2405: my $prevver = $currver-1;
2406: &get_post_attachments(\%attachments,$oldattachmenturl);
2407: my $numattach = keys %attachments;
2408: $startnum += $numattach;
2409: foreach my $num (sort {$a <=> $b} keys %attachments) {
2410: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
2411: foreach (sort {$a <=> $b} keys %{$attachments{$num}}) {
2412: $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>';
2413: }
2414: if (grep/^$num$/,@{$keepold}) {
2415: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
2416: }
2417: $newattachmenturl .= '</attachment>';
2418: }
2419: } else {
2420: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'<post id="0">n</post>';
2421: unless (grep/^0$/,@{$keepold}) {
2422: $newattachmenturl .= '<post id="1">n</post>';
2423: }
2424: $newattachmenturl .= '</attachment>';
2425: $startnum ++;
2426: }
2427: }
2428: }
2429: for (my $i=0; $i<@{$currnewattach}; $i++) {
2430: my $attachnum = $startnum + $i;
2431: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
2432: }
2433: return $newattachmenturl;
2434: }
2435:
2436: sub handler {
2437: my $r = shift;
2438: if ($r->header_only) {
2439: &Apache::loncommon::content_type($r,'text/html');
2440: $r->send_http_header;
2441: return OK;
2442: }
2443:
2444: # --------------------------- Get query string for limited number of parameters
2445:
2446: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2447: ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','threadedon','threadedoff','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navmaps','navurl','sortfilter','sortposts','applysort','rolefilter','statusfilter','sectionpick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions']);
2448: if ($ENV{'form.discsymb'}) {
2449: my $symb = $ENV{'form.discsymb'};
2450: my $readkey = $symb.'_read';
2451: my %readinghash = ();
2452: my $chgcount = 0;
2453: %readinghash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$readkey],$ENV{'user.domain'},$ENV{'user.name'});
2454: foreach my $key (keys %ENV) {
2455: if ($key =~ m/^form\.postunread_(\d+)/) {
2456: if ($readinghash{$readkey} =~ /\.$1\./) {
2457: $readinghash{$readkey} =~ s/\.$1\.//;
2458: $chgcount ++;
2459: }
2460: } elsif ($key =~ m/^form\.postread_(\d+)/) {
2461: unless ($readinghash{$readkey} =~ /\.$1\./) {
2462: $readinghash{$readkey} .= '.'.$1.'.';
2463: $chgcount ++;
2464: }
2465: }
2466: }
2467: if ($chgcount > 0) {
2468: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%readinghash,$ENV{'user.domain'},$ENV{'user.name'});
2469: }
2470: &Apache::loncommon::content_type($r,'text/html');
2471: $r->send_http_header;
2472: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2473: my $previous=$ENV{'form.previous'};
2474: my $feedurl = &Apache::lonnet::clutter($url);
2475: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />','0','0','',$previous,'','','',);
2476: return OK;
2477: }
2478: if ($ENV{'form.allversions'}) {
2479: &Apache::loncommon::content_type($r,'text/html');
2480: $r->send_http_header;
2481: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions',
2482: '','');
2483: $r->print (<<END);
2484: <html>
2485: <head>
2486: <title>Post Versions</title>
2487: <meta http-equiv="pragma" content="no-cache" />
2488: </head>
2489: $bodytag
2490: END
2491: my $crs='/'.$ENV{'request.course.id'};
2492: if ($ENV{'request.course.sec'}) {
2493: $crs.='_'.$ENV{'request.course.sec'};
2494: }
2495: $crs=~s/\_/\//g;
2496: my $seeid=&Apache::lonnet::allowed('rin',$crs);
2497: my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.allversions'});
2498: my $ressymb=$symb;
2499: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2500: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
2501: }
2502: if ($idx > 0) {
2503: my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
2504: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2505: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2506: if ($contrib{$idx.':history'}) {
2507: my $attachmenturls = $contrib{$idx.':attachmenturl'};
2508: my @postversions = ();
2509: my %messages = ();
2510: my %subjects = ();
2511: if ($contrib{$idx.':history'} =~ m/:/) {
2512: @postversions = split/:/,$contrib{$idx.':history'};
2513: } else {
2514: @postversions = ("$contrib{$idx.':history'}");
2515: }
2516: if (@postversions > 0) {
2517: &get_post_versions(\%messages,$contrib{$idx.':message'});
2518: &get_post_versions(\%subjects,$contrib{$idx.':subject'});
2519: push @postversions,$contrib{$idx.':timestamp'};
2520: my $screenname=&Apache::loncommon::screenname(
2521: $contrib{$idx.':sendername'},
2522: $contrib{$idx.':senderdomain'});
2523: my $plainname=&Apache::loncommon::nickname(
2524: $contrib{$idx.':sendername'},
2525: $contrib{$idx.':senderdomain'});
2526: my $sender=&Apache::loncommon::aboutmewrapper(
2527: $plainname,
2528: $contrib{$idx.':sendername'},
2529: $contrib{$idx.':senderdomain'}).' ('.
2530: $contrib{$idx.':sendername'}.' at '.
2531: $contrib{$idx.':senderdomain'}.')';
2532: if ($contrib{$idx.':anonymous'}) {
2533: $sender.=' ['.&mt('anonymous').'] '.$screenname;
2534: }
2535: $r->print('<b>'.$sender.'</b><br /><ul>');
2536: for (my $i=0; $i<@postversions; $i++) {
2537: my ($timesent,$message,$subject,$attachmsg);
2538: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
2539: $message=&HTML::Entities::decode($messages{$i});
2540: $subject=&HTML::Entities::decode($subjects{$i});
2541: $message=~s/\n/\<br \/\>/g;
2542: $message=&Apache::lontexconvert::msgtexconverted($message);
2543: $subject=~s/\n/\<br \/\>/g;
2544: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2545: if ($attachmenturls) {
2546: my %attachments = ();
2547: my %currattach = ();
2548: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,\%attachments,\%currattach);
2549: }
2550: if ($attachmsg) {
2551: $attachmsg = '<br />Attachments:'.$attachmsg.'<br />';
2552: } else {
2553: $attachmsg = '<br />';
2554: }
2555: $r->print (<<END);
2556: <li><b>$subject</b>, $timesent<br />
2557: $message<br />
2558: $attachmsg</li>
2559: END
2560: }
2561: $r->print('</ul></body></html>');
2562: }
2563: }
2564: }
2565: return OK;
2566: }
2567: if ($ENV{'form.posterlist'}) {
2568: &Apache::loncommon::content_type($r,'text/html');
2569: $r->send_http_header;
2570: my $symb=$ENV{'form.posterlist'};
2571: my $sortposts = $ENV{'form.sortposts'};
2572: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2573: my $previous=$ENV{'form.previous'};
2574: my $feedurl = &Apache::lonnet::clutter($url);
2575: # backward compatibility (bulletin boards used to be 'wrapped')
2576: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2577: $feedurl=~s|^/adm/wrapper||;
2578: }
2579: &print_showposters($r,$symb,$previous,$feedurl,$sortposts);
2580: return OK;
2581: }
2582: if ($ENV{'form.userpick'}) {
2583: &Apache::loncommon::content_type($r,'text/html');
2584: $r->send_http_header;
2585: my $symb=$ENV{'form.userpick'};
2586: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2587: my $previous=$ENV{'form.previous'};
2588: # backward compatibility (bulletin boards used to be 'wrapped')
2589: my $ressymb=$symb;
2590: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2591: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
2592: }
2593: my $sort=$ENV{'form.sortposts'};
2594: my @posters = ();
2595: if (ref($ENV{'form.stuinfo'}) eq 'ARRAY') {
2596: @posters = $ENV{'form.stuinfo'};
2597: } else {
2598: $posters[0] = $ENV{'form.stuinfo'};
2599: }
2600: my $numpicks = @posters;
2601: if (defined($ENV{'form.userpick'})) {
2602: my %discinfo = ();
2603: $discinfo{$ressymb.'_userpick'} = join('&',@posters);
2604: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2605: }
2606: my $feedurl = &Apache::lonnet::clutter($url);
2607: # backward compatibility (bulletin boards used to be 'wrapped')
2608: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2609: $feedurl=~s|^/adm/wrapper||;
2610: }
2611: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',$previous,$sort,'','','',$numpicks);
2612: return OK;
2613: }
2614: if ($ENV{'form.applysort'}) {
2615: &Apache::loncommon::content_type($r,'text/html');
2616: $r->send_http_header;
2617: my $symb=$ENV{'form.applysort'};
2618: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2619: my $previous=$ENV{'form.previous'};
2620: my $sort = $ENV{'form.sortposts'};
2621: my $rolefilter = $ENV{'form.rolefilter'};
2622: my $statusfilter = $ENV{'form.statusfilter'};
2623: my $secpick = $ENV{'form.sectionpick'};
2624: my $feedurl = &Apache::lonnet::clutter($url);
2625: # backward compatibility (bulletin boards used to be 'wrapped')
2626: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2627: $feedurl=~s|^/adm/wrapper||;
2628: }
2629: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',$previous,$sort,$rolefilter,$statusfilter,$secpick);
2630: return OK;
2631: } elsif ($ENV{'form.sortfilter'}) {
2632: &Apache::loncommon::content_type($r,'text/html');
2633: $r->send_http_header;
2634: my $symb=$ENV{'form.sortfilter'};
2635: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2636: my $previous=$ENV{'form.previous'};
2637: my $feedurl = &Apache::lonnet::clutter($url);
2638: # backward compatibility (bulletin boards used to be 'wrapped')
2639: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2640: $feedurl=~s|^/adm/wrapper||;
2641: }
2642: &print_sortfilter_options($r,$symb,$previous,$feedurl);
2643: return OK;
2644: } elsif ($ENV{'form.navmaps'}) {
2645: my %discinfo = ();
2646: my @resources = ();
2647: if ($ENV{'form.navmaps'} =~ /:/) {
2648: @resources = split/:/,$ENV{'form.navmaps'};
2649: } else {
2650: @resources = ("$ENV{'form.navmaps'}");
2651: }
2652: my $numitems = @resources;
2653: my $feedurl = '/adm/navmaps';
2654: if ($ENV{'form.navurl'}) {
2655: $feedurl .= '?'.$ENV{'form.navurl'};
2656: }
2657: my %lt = &Apache::lonlocal::texthash(
2658: 'mnpa' => 'Marked "New" posts as read in a total of',
2659: 'robb' => 'resources/bulletin boards.'
2660: );
2661: foreach (@resources) {
2662: # backward compatibility (bulletin boards used to be 'wrapped')
2663: my $ressymb=$_;
2664: if ($ressymb =~ m/bulletin___\d+___/) {
2665: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2666: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper/|;
2667: }
2668: }
2669: my $lastkey = $ressymb.'_lastread';
2670: $discinfo{$lastkey} = time;
2671: }
2672: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2673: &Apache::loncommon::content_type($r,'text/html');
2674: $r->send_http_header;
2675: $r->print (<<ENDREDIR);
2676: <html>
2677: <head>
2678: <title>New posts marked as read</title>
2679: <meta http-equiv="pragma" content="no-cache" />
2680: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
2681: </head>
2682: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
2683: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
2684: <b>$lt{'mnpa'} $numitems $lt{'robb'}</b>
2685: <form name="reldt" action="$feedurl" target="loncapaclient">
2686: </form>
2687: </body>
2688: </html>
2689: ENDREDIR
2690: return OK;
2691: } elsif ($ENV{'form.modifydisp'}) {
2692: &Apache::loncommon::content_type($r,'text/html');
2693: $r->send_http_header;
2694: my $symb=$ENV{'form.modifydisp'};
2695: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2696: my $previous=$ENV{'form.previous'};
2697: my ($dispchgA,$dispchgB,$markchg,$toggchg) = split/_/,$ENV{'form.changes'};
2698: my $feedurl = &Apache::lonnet::clutter($url);
2699: # backward compatibility (bulletin boards used to be 'wrapped')
2700: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2701: $feedurl=~s|^/adm/wrapper||;
2702: }
2703: &print_display_options($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl);
2704: return OK;
2705: } elsif (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'}) || ($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) || $ENV{'form.onlyunmark'} || $ENV{'form.toggoff'} || $ENV{'form.toggon'} ) {
2706: &Apache::loncommon::content_type($r,'text/html');
2707: $r->send_http_header;
2708: my $previous=$ENV{'form.previous'};
2709: my ($map,$ind,$url);
2710: if ( ($ENV{'form.toggoff'}) || ($ENV{'form.toggon'}) ) {
2711: # ------------------------------ Modify setting for read/unread toggle for each post
2712: my $symb=$ENV{'form.toggoff'}?$ENV{'form.toggoff'}:$ENV{'form.toggon'};
2713: my $ressymb = $symb;
2714: ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2715: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2716: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
2717: }
2718: my %discinfo = ();
2719: my $toggkey = $ressymb.'_readtoggle';
2720: if ($ENV{'form.toggon'}) {
2721: $discinfo{$toggkey} = 1;
2722: } elsif ($ENV{'form.toggoff'}) {
2723: $discinfo{$toggkey} = 0;
2724: }
2725: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2726: }
2727: if (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'})) {
2728: # ---------------------- Modify setting for identification of 'NEW' posts in this discussion
2729: my $symb=$ENV{'form.markondisp'}?$ENV{'form.markondisp'}:$ENV{'form.markonread'};
2730: my $ressymb = $symb;
2731: ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2732: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2733: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
2734: }
2735: my %discinfo = ();
2736: my $lastkey = $ressymb.'_lastread';
2737: my $ondispkey = $ressymb.'_markondisp';
2738: if ($ENV{'form.markondisp'}) {
2739: $discinfo{$lastkey} = time;
2740: $discinfo{$ondispkey} = 1;
2741: } elsif ($ENV{'form.markonread'}) {
2742: if ( $previous > 0 ) {
2743: $discinfo{$lastkey} = $previous;
2744: }
2745: $discinfo{$ondispkey} = 0;
2746: }
2747: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2748: }
2749: if (($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) || ($ENV{'form.onlyunmark'}) ) {
2750: # ----------------------------------------------------------------- Modify display setting for this discussion
2751: my $symb;
2752: if ($ENV{'form.allposts'}) {
2753: $symb = $ENV{'form.allposts'};
2754: } elsif ($ENV{'form.onlyunread'}) {
2755: $symb = $ENV{'form.onlyunread'};
2756: } else {
2757: $symb = $ENV{'form.onlyunmark'};
2758: }
2759: my $ressymb = $symb;
2760: ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2761: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2762: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
2763: }
2764: my %discinfo = ();
2765: if ($ENV{'form.allposts'}) {
2766: $discinfo{$ressymb.'_showonlyunread'} = 0;
2767: $discinfo{$ressymb.'_showonlyunmark'} = 0;
2768: } elsif ($ENV{'form.onlyunread'}) {
2769: $discinfo{$ressymb.'_showonlyunread'} = 1;
2770: } else {
2771: $discinfo{$ressymb.'_showonlyunmark'} = 1;
2772: }
2773: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2774: }
2775: if (($ENV{'form.markonread'}) || ($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) || ($ENV{'form.onlyunmark'}) ||($ENV{'form.toggoff'}) || ($ENV{'form.toggon'}) ) {
2776: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0','',$previous);
2777: } else {
2778: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0');
2779: }
2780: return OK;
2781: } elsif ($ENV{'form.markread'}) {
2782: # ----------------------------------------------------------------- Mark new posts not NEW
2783: &Apache::loncommon::content_type($r,'text/html');
2784: $r->send_http_header;
2785: my $symb=$ENV{'form.markread'};
2786: my $ressymb = $symb;
2787: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2788: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2789: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
2790: }
2791: my %discinfo = ();
2792: my $lastkey = $ressymb.'_lastread';
2793: $discinfo{$lastkey} = time;
2794: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2795: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed reading status').'<br />','0','0');
2796: return OK;
2797: } elsif (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {
2798: # ----------------------------------------------------------------- Hide/unhide
2799: &Apache::loncommon::content_type($r,'text/html');
2800: $r->send_http_header;
2801:
2802: my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};
2803:
2804: my ($symb,$idx)=split(/\:\:\:/,$entry);
2805: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2806:
2807: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2808: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2809: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2810:
2811:
2812: my $currenthidden=$contrib{'hidden'};
2813: my $currentstudenthidden=$contrib{'studenthidden'};
2814:
2815: my $crs='/'.$ENV{'request.course.id'};
2816: if ($ENV{'request.course.sec'}) {
2817: $crs.='_'.$ENV{'request.course.sec'};
2818: }
2819: $crs=~s/\_/\//g;
2820: my $seeid=&Apache::lonnet::allowed('rin',$crs);
2821:
2822: if ($ENV{'form.hide'}) {
2823: $currenthidden.='.'.$idx.'.';
2824: unless ($seeid) {
2825: $currentstudenthidden.='.'.$idx.'.';
2826: }
2827: } else {
2828: $currenthidden=~s/\.$idx\.//g;
2829: }
2830: my %newhash=('hidden' => $currenthidden);
2831: if ( ($ENV{'form.hide'}) && (!$seeid) ) {
2832: $newhash{'studenthidden'} = $currentstudenthidden;
2833: }
2834:
2835: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
2836: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2837: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2838:
2839: &redirect_back($r,&Apache::lonnet::clutter($url),
2840: &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});
2841: } elsif (($ENV{'form.threadedon'}) || ($ENV{'form.threadedoff'})) {
2842: &Apache::loncommon::content_type($r,'text/html');
2843: $r->send_http_header;
2844: if ($ENV{'form.threadedon'}) {
2845: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
2846: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
2847: } else {
2848: &Apache::lonnet::del('environment',['threadeddiscussion']);
2849: &Apache::lonnet::delenv('environment\.threadeddiscussion');
2850: }
2851: my $symb=$ENV{'form.threadedon'}?$ENV{'form.threadedon'}:$ENV{'form.threadedoff'};
2852: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2853: &redirect_back($r,&Apache::lonnet::clutter($url),
2854: &mt('Changed discussion view mode').'<br />','0','0','',$ENV{'form.previous'});
2855: } elsif ($ENV{'form.deldisc'}) {
2856: # --------------------------------------------------------------- Hide for good
2857: &Apache::loncommon::content_type($r,'text/html');
2858: $r->send_http_header;
2859:
2860: my $entry=$ENV{'form.deldisc'};
2861:
2862: my ($symb,$idx)=split(/\:\:\:/,$entry);
2863: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2864:
2865: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2866: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2867: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2868:
2869:
2870: my $currentdeleted=$contrib{'deleted'};
2871:
2872: $currentdeleted.='.'.$idx.'.';
2873:
2874: my %newhash=('deleted' => $currentdeleted);
2875:
2876: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
2877: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2878: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2879:
2880: &redirect_back($r,&Apache::lonnet::clutter($url),
2881: &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});
2882: } elsif ($ENV{'form.preview'}) {
2883: # -------------------------------------------------------- User wants a preview
2884: $r->content_type('text/html');
2885: $r->send_http_header;
2886: &show_preview($r);
2887: } elsif ($ENV{'form.attach'}) {
2888: # -------------------------------------------------------- Work on attachments
2889: &Apache::loncommon::content_type($r,'text/html');
2890: $r->send_http_header;
2891: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss']);
2892: my @currnewattach = ();
2893: my @currdelold = ();
2894: my @keepold = ();
2895: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
2896: if (exists($ENV{'form.addnewattach.filename'})) {
2897: unless (length($ENV{'form.addnewattach'})>131072) {
2898: my $subdir = 'feedback/'.$ENV{'form.timestamp'};
2899: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
2900: push @currnewattach, $newattachment;
2901: }
2902: }
2903: my $attachmenturls = '';
2904: my $idx = $ENV{'form.idx'};
2905: my $symb = $ENV{'form.attach'};
2906: if ($idx) {
2907: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2908: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2909: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2910: $attachmenturls = $contrib{$idx.':attachmenturl'};
2911: }
2912: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,$attachmenturls);
2913: } elsif ($ENV{'form.chgreads'}) {
2914: &Apache::loncommon::content_type($r,'text/html');
2915: $r->send_http_header;
2916: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($ENV{'form.chgreads'});
2917: &redirect_back($r,&Apache::lonnet::clutter($url),
2918: &mt('Changed read status').'<br />','0','0');
2919: } else {
2920: # ------------------------------------------------------------- Normal feedback
2921: my $feedurl=$ENV{'form.postdata'};
2922: $feedurl=~s/^http\:\/\///;
2923: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
2924: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
2925: $feedurl=~s/\?.+$//;
2926:
2927: my $symb;
2928: if ($ENV{'form.replydisc'}) {
2929: $symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];
2930: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
2931: $feedurl=&Apache::lonnet::clutter($url);
2932: } elsif ($ENV{'form.editdisc'}) {
2933: $symb=(split(/\:\:\:/,$ENV{'form.editdisc'}))[0];
2934: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
2935: $feedurl=&Apache::lonnet::clutter($url);
2936: } elsif ($ENV{'form.origpage'}) {
2937: $symb="";
2938: } else {
2939: $symb=&Apache::lonnet::symbread($feedurl);
2940: }
2941: unless ($symb) {
2942: $symb=$ENV{'form.symb'};
2943: if ($symb) {
2944: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
2945: $feedurl=&Apache::lonnet::clutter($url);
2946: }
2947: }
2948: my $goahead=1;
2949: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {
2950: unless ($symb) { $goahead=0; }
2951: }
2952: # backward compatibility (bulletin boards used to be 'wrapped')
2953: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2954: $feedurl=~s|^/adm/wrapper||;
2955: }
2956: if ($goahead) {
2957: # Go ahead with feedback, no ambiguous reference
2958: &Apache::loncommon::content_type($r,'text/html');
2959: $r->send_http_header;
2960:
2961: if (
2962: (
2963: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
2964: )
2965: ||
2966: ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))
2967: ||
2968: ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
2969: ) {
2970: # --------------------------------------------------- Print login screen header
2971: unless ($ENV{'form.sendit'}) {
2972: my $options=&screen_header($feedurl);
2973: if ($options) {
2974: &mail_screen($r,$feedurl,$options);
2975: } else {
2976: &fail_redirect($r,$feedurl);
2977: }
2978: } else {
2979:
2980: # Get previous user input
2981: my $prevattempts=&Apache::loncommon::get_previous_attempt(
2982: $symb,$ENV{'user.name'},$ENV{'user.domain'},
2983: $ENV{'request.course.id'});
2984:
2985: # Get output from resource
2986: my $usersaw=&resource_output($feedurl);
2987:
2988: # Get resource answer (need to allow student to view grades for this to work)
2989: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
2990: my $useranswer=&Apache::loncommon::get_student_answers(
2991: $symb,$ENV{'user.name'},$ENV{'user.domain'},
2992: $ENV{'request.course.id'});
2993: &Apache::lonnet::delenv('allowed.vgr');
2994: # Get attachments, if any, and not too large
2995: my $attachmenturl='';
2996: if (($ENV{'form.origpage'}) || ($ENV{'form.editdisc'}) || ($ENV{'form.replydisc'})) {
2997: my ($symb,$idx);
2998: if ($ENV{'form.replydisc'}) {
2999: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
3000: } elsif ($ENV{'form.editdisc'}) {
3001: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});
3002: } elsif ($ENV{'form.origpage'}) {
3003: $symb = $ENV{'form.symb'};
3004: }
3005: my @currnewattach = ();
3006: my @deloldattach = ();
3007: my @keepold = ();
3008: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3009: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3010: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3011: } elsif ($ENV{'form.attachment.filename'}) {
3012: unless (length($ENV{'form.attachment'})>131072) {
3013: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
3014: }
3015: }
3016: # Filter HTML out of message (could be nasty)
3017: my $message=&clear_out_html($ENV{'form.comment'});
3018:
3019: # Assemble email
3020: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
3021: $usersaw,$useranswer);
3022:
3023: # Who gets this?
3024: my ($typestyle,%to) = &decide_receiver($feedurl);
3025:
3026: # Actually send mail
3027: my ($status,$numsent)=&send_msg($feedurl,$email,$citations,
3028: $attachmenturl,%to);
3029:
3030: # Discussion? Store that.
3031:
3032: my $numpost=0;
3033: if ($ENV{'form.discuss'}) {
3034: my $subject = &clear_out_html($ENV{'form.subject'});
3035: $typestyle.=&adddiscuss($symb,$message,0,$attachmenturl,$subject);
3036: $numpost++;
3037: }
3038:
3039: if ($ENV{'form.anondiscuss'}) {
3040: my $subject = &clear_out_html($ENV{'form.subject'});
3041: $typestyle.=&adddiscuss($symb,$message,1,$attachmenturl,$subject);
3042: $numpost++;
3043: }
3044:
3045:
3046: # Receipt screen and redirect back to where came from
3047: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$ENV{'form.previous'});
3048:
3049: }
3050: } else {
3051: # Unable to give feedback
3052: &no_redirect_back($r,$feedurl);
3053: }
3054: } else {
3055: # Ambiguous Problem Resource
3056: if ( &Apache::lonnet::mod_perl_version() == 2 ) {
3057: &Apache::lonnet::cleanenv();
3058: }
3059: $r->internal_redirect('/adm/ambiguous');
3060: }
3061: }
3062: return OK;
3063: }
3064:
3065: 1;
3066: __END__
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