1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.114 2004/08/10 18:01:25 sakharuk 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,$symb,$ttarget,$tagstack,$parstack,$parser,$safeeval)=@_;
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: $discussion.='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
686: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
687: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
688: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
689: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}</tex>';
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: }
743: my $thisdepth=$depth[$alldiscussion{$_}];
744: if ($outputtarget ne 'tex') {
745: for (1..$thisdepth) {
746: $discussion.='<td> </td>';
747: }
748: }
749: my $colspan=$maxdepth-$thisdepth+1;
750: if ($outputtarget ne 'tex') {
751: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}].'" colspan="'.$colspan.'">'.
752: $discussionitems[$alldiscussion{$_}].
753: '</td></tr>';
754: } else {
755: #cleanup block
756: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
757: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
758: my $threadinsert='';
759: if ($thisdepth > 0) {
760: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
761: }
762: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
763: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
764: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
765:
766: $discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}];
767: if ($_ eq $showposts[-1]) {
768: $discussionitems[$alldiscussion{$_}].='<tex>\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\end{document}</tex>';
769: }
770: $discussion.=$discussionitems[$alldiscussion{$_}];
771: }
772: }
773: }
774: if ($outputtarget ne 'tex') {
775: my $colspan=$maxdepth+1;
776: $discussion .= <<END;
777: <tr bgcolor="#FFFFFF">
778: <td colspan="$colspan" valign="top">
779: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
780: <tr>
781: <td align="left">
782: <table border="0" cellpadding="0" cellspacing="4">
783: <tr>
784: <td>
785: <font size="-1"><b>$lt{'cuse'}</b>:</td>
786: <td> </td>
787: <td><font size="-1">
788: END
789: if ($newpostsflag) {
790: $discussion .=
791: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>';
792: if ($dischash{$toggkey}) {
793: $discussion .= ' 3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
794: }
795: } else {
796: if ($dischash{$toggkey}) {
797: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>';
798: } else {
799: $discussion .=
800: $lt{'disp'}.' - <i>'.$currdisp.'</i>';
801: }
802: }
803: $discussion .= <<END;
804: </font></td>
805: <td> </td>
806: <td>
807: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
808: </td>
809: </tr>
810: </table>
811: </td>
812: END
813: if ($dischash{$toggkey}) {
814: my $storebutton = &mt('Store read/unread changes');
815: $discussion.='<td align="right">'.
816: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".
817: '<input type="button" name="readoptions" value="'.$storebutton.'"'.
818: ' onClick="this.form.submit();">'."\n".
819: '</td>';
820: }
821: $discussion .= (<<END);
822: </tr>
823: </table>
824: </td>
825: </tr>
826: </table>
827: <br /><br /></form>
828: END
829: }
830: }
831: if ($discussiononly) {
832: my $now = time;
833: my $attachnum = 0;
834: my $newattachmsg = '';
835: my @currnewattach = ();
836: my @currdelold = ();
837: my $comment = '';
838: my $subject = '';
839: if ($ENV{'form.origpage'}) {
840: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
841: $subject = &HTML::Entities::encode($ENV{'form.subject'},'<>&"');
842: $comment = &HTML::Entities::encode($ENV{'form.comment'},'<>&"');
843: my @keepold = ();
844: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
845: if (@currnewattach > 0) {
846: $attachnum += @currnewattach;
847: }
848: }
849: $discussion.=(<<ENDDISCUSS);
850: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
851: <input type="submit" name="discuss" value="Post Discussion" />
852: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
853: <input type="hidden" name="symb" value="$ressymb" />
854: <input type="hidden" name="sendit" value="true" />
855: <input type="hidden" name="timestamp" value="$now" />
856: <br /><a name="newpost"></a>
857: <font size="1">Note: in anonymous discussion, your name is visible only
858: to course faculty</font><br />
859: <b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
860: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
861: ENDDISCUSS
862: if ($ENV{'form.origpage'}) {
863: $discussion.='<input type="hidden" name="origpage" value="'.$ENV{'form.origpage'}.'" />'."\n";
864: foreach (@currnewattach) {
865: $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
866: }
867: }
868: $discussion.="</form>\n";
869: if ($outputtarget ne 'tex') {
870: $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode);
871: if (@currnewattach > 0) {
872: $newattachmsg .= '<b>New attachments</b><br />';
873: if (@currnewattach > 1) {
874: $newattachmsg .= '<ol>';
875: foreach my $item (@currnewattach) {
876: $item =~ m#.*/([^/]+)$#;
877: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
878: }
879: $newattachmsg .= '</ol>'."\n";
880: } else {
881: $currnewattach[0] =~ m#.*/([^/]+)$#;
882: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
883: }
884: }
885: $discussion.=$newattachmsg;
886: $discussion.=&generate_preview_button();
887: }
888: } else {
889: if (&discussion_open($status) &&
890: &Apache::lonnet::allowed('pch',
891: $ENV{'request.course.id'}.
892: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
893: if ($outputtarget ne 'tex') {
894: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='.
895: $symb.':::" '.$target.'>'.
896: '<img src="/adm/lonMisc/chat.gif" border="0" />'.
897: &mt('Post Discussion').'</a></td></tr></table>';
898: }
899: }
900: }
901: return $discussion;
902: }
903:
904: sub mail_screen {
905: my ($r,$feedurl,$options) = @_;
906: if (exists($ENV{'form.origpage'})) {
907: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss']);
908: }
909: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion',
910: '','onLoad="window.focus();setposttype();"');
911: my $title=&Apache::lonnet::gettitle($feedurl);
912: if (!$title) { $title = $feedurl; }
913: my $quote='';
914: my $subject = '';
915: my $comment = '';
916: my $prevtag = '';
917: my $parentmsg = '';
918: my ($symb,$idx,$attachmenturls);
919: my $numoldver = 0;
920: my $attachmsg = '';
921: my $newattachmsg = '';
922: my @currnewattach = ();
923: my @currdelold = ();
924: my @keepold = ();
925: my %attachments = ();
926: my %currattach = ();
927: my $attachnum = 0;
928: my $anonchk = (<<END);
929: function anonchk() {
930: if (document.mailform.anondiscuss.checked == true) {
931: document.attachment.anondiscuss.value = '1'
932: }
933: if (document.mailform.discuss.checked == true) {
934: document.attachment.discuss.value = '1'
935: }
936: return
937: }
938: END
939: my $anonscript;
940: if (exists($ENV{'form.origpage'})) {
941: $anonscript = (<<END);
942: function setposttype() {
943: var anondisc = $ENV{'form.anondiscuss'};
944: var disc = $ENV{'form.discuss'};
945: if (anondisc == 1) {
946: document.mailform.anondiscuss.checked = true
947: }
948: if (disc == 1) {
949: document.mailform.discuss.checked = true
950: }
951: return
952: }
953: END
954: } else {
955: $anonscript = (<<END);
956: function setposttype() {
957: return
958: }
959: END
960: }
961: if (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
962: if ($ENV{'form.replydisc'}) {
963: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
964: } else {
965: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});
966: }
967: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
968: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
969: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
970: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
971: if ($contrib{$idx.':history'}) {
972: if ($contrib{$idx.':history'} =~ /:/) {
973: my @oldversions = split/:/,$contrib{$idx.':history'};
974: $numoldver = @oldversions;
975: } else {
976: $numoldver = 1;
977: }
978: }
979: if ($ENV{'form.replydisc'}) {
980: if ($contrib{$idx.':history'}) {
981: if ($contrib{$idx.':history'} =~ /:/) {
982: my @oldversions = split/:/,$contrib{$idx.':history'};
983: $numoldver = @oldversions;
984: } else {
985: $numoldver = 1;
986: }
987: }
988: my $message;
989: if ($idx > 0) {
990: if ($contrib{$idx.':message'} =~ /^<version num="0"/) {
991: my %versions = ();
992: &get_post_versions(\%versions,$contrib{$idx.':message'},$numoldver);
993: $message = &HTML::Entities::decode($versions{$numoldver});
994: } else {
995: $message = $contrib{$idx.':message'};
996: }
997: } else {
998: $message=$contrib{$idx.':message'};
999: }
1000: $message=~s/\n/\<br \/\>/g;
1001: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>';
1002: if ($idx > 0) {
1003: if ($contrib{$idx.':subject'} =~ /^<version num="0"/) {
1004: my %versions = ();
1005: &get_post_versions(\%versions,$contrib{$idx.':subject'},$numoldver);
1006: $subject = &HTML::Entities::decode($versions{$numoldver});
1007: } else {
1008: $subject = $contrib{$idx.':subject'};
1009: }
1010: $subject = 'Re: '.$subject;
1011: }
1012: $subject = &HTML::Entities::encode($subject,'<>&"');
1013: } else {
1014: $attachmenturls = $contrib{$idx.':attachmenturl'};
1015: if ($contrib{$idx.':message'} =~ /^<version num="0">/) {
1016: my %versions = ();
1017: &get_post_versions(\%versions,$contrib{$idx.':message'},$numoldver);
1018: $comment = $versions{$numoldver};
1019: } else {
1020: $comment = &HTML::Entities::encode($contrib{$idx.':message'},'<>&"');
1021: }
1022: if ($contrib{$idx.':subject'} =~ /<version num="0">/) {
1023: my %versions = ();
1024: &get_post_versions(\%versions,$contrib{$idx.':subject'},$numoldver);
1025: $subject = $versions{$numoldver};
1026: } else {
1027: $subject = &HTML::Entities::encode($contrib{$idx.':subject'},'<>&"');
1028: }
1029: if (defined($contrib{$idx.':replyto'})) {
1030: $parentmsg = $contrib{$idx.':replyto'};
1031: }
1032: unless (exists($ENV{'form.origpage'})) {
1033: my $anonflag = 0;
1034: if ($contrib{$idx.':anonymous'}) {
1035: $anonflag = 1;
1036: }
1037: $anonscript = (<<END);
1038: function setposttype () {
1039: var currtype = $anonflag
1040: if (currtype == 1) {
1041: document.mailform.elements.discuss.checked = false
1042: document.mailform.elements.anondiscuss.checked = true
1043: }
1044: if (currtype == 0) {
1045: document.mailform.elements.anondiscuss.checked = false
1046: document.mailform.elements.discuss.checked = true
1047: }
1048: return
1049: }
1050: END
1051: }
1052: }
1053: }
1054: if ($ENV{'form.previous'}) {
1055: $prevtag = '<input type="hidden" name="previous" value="'.$ENV{'form.previous'}.'" />';
1056: }
1057: }
1058:
1059: if ($ENV{'form.origpage'}) {
1060: $subject = $ENV{'form.subject'};
1061: $comment = $ENV{'form.comment'};
1062: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
1063: }
1064: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
1065: my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders();
1066: my $send=&mt('Send');
1067: $r->print(<<END);
1068: <html>
1069: <head>
1070: <title>The LearningOnline Network with CAPA</title>
1071: <meta http-equiv="pragma" content="no-cache"></meta>
1072: $htmlheader
1073: <script type="text/javascript">
1074: //<!--
1075: function gosubmit() {
1076: var rec=0;
1077: if (typeof(document.mailform.elements.author)!="undefined") {
1078: if (document.mailform.elements.author.checked) {
1079: rec=1;
1080: }
1081: }
1082: if (typeof(document.mailform.elements.question)!="undefined") {
1083: if (document.mailform.elements.question.checked) {
1084: rec=1;
1085: }
1086: }
1087: if (typeof(document.mailform.elements.course)!="undefined") {
1088: if (document.mailform.elements.course.checked) {
1089: rec=1;
1090: }
1091: }
1092: if (typeof(document.mailform.elements.policy)!="undefined") {
1093: if (document.mailform.elements.policy.checked) {
1094: rec=1;
1095: }
1096: }
1097: if (typeof(document.mailform.elements.discuss)!="undefined") {
1098: if (document.mailform.elements.discuss.checked) {
1099: rec=1;
1100: }
1101: }
1102: if (typeof(document.mailform.elements.anondiscuss)!="undefined") {
1103: if (document.mailform.elements.anondiscuss.checked) {
1104: rec=1;
1105: }
1106: }
1107:
1108: if (rec) {
1109: if (typeof(document.mailform.onsubmit)!='undefined') {
1110: document.mailform.onsubmit();
1111: }
1112: document.mailform.submit();
1113: } else {
1114: alert('Please check a feedback type.');
1115: }
1116: }
1117: $anonchk
1118: $anonscript
1119: //-->
1120: </script>
1121: </head>
1122: $bodytag
1123: <h2><tt>$title</tt></h2>
1124: <form action="/adm/feedback" method="post" name="mailform"
1125: enctype="multipart/form-data">
1126: $prevtag
1127: <input type="hidden" name="postdata" value="$feedurl" />
1128: END
1129: if ($ENV{'form.replydisc'}) {
1130: $r->print(<<END);
1131: <input type="hidden" name="replydisc" value="$ENV{'form.replydisc'}" />
1132: END
1133: } elsif ($ENV{'form.editdisc'}) {
1134: $r->print(<<END);
1135: <input type="hidden" name="editdisc" value ="$ENV{'form.editdisc'}" />
1136: <input type="hidden" name="parentmsg" value ="$parentmsg" />
1137: END
1138: }
1139: $r->print(<<END);
1140: Please check at least one of the following feedback types:
1141: $options<hr />
1142: $quote
1143: <p>My question/comment/feedback:</p>
1144: <p>
1145: $latexHelp
1146: Title: <input type="text" name="subject" size="30" value="$subject" /></p>
1147: <p>
1148: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment
1149: </textarea></p>
1150: <p>
1151: END
1152: if ( ($ENV{'form.editdisc'}) || ($ENV{'form.replydisc'}) ) {
1153: if ($ENV{'form.origpage'}) {
1154: foreach (@currnewattach) {
1155: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
1156: }
1157: foreach (@currdelold) {
1158: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
1159: }
1160: }
1161: if ($ENV{'form.editdisc'}) {
1162: if ($attachmenturls) {
1163: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
1164: $attachnum = scalar(keys %currattach);
1165: foreach (keys %currattach) {
1166: $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n");
1167: }
1168: }
1169: }
1170: } else {
1171: $r->print(<<END);
1172: Attachment (128 KB max size): <input type="file" name="attachment" />
1173: </p>
1174: END
1175: }
1176: $r->print(<<END);
1177: <p>
1178: <input type="hidden" name="sendit" value="1" />
1179: <input type="button" value="$send" onClick='gosubmit();' />
1180: </p>
1181: </form>
1182: END
1183: if ($ENV{'form.editdisc'} || $ENV{'form.replydisc'}) {
1184: my $now = time;
1185: my $ressymb = $symb;
1186: my $postidx = '';
1187: if ($ENV{'form.editdisc'}) {
1188: $postidx = $idx;
1189: }
1190: if (@currnewattach > 0) {
1191: $attachnum += @currnewattach;
1192: }
1193: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver));
1194: if ($attachnum > 0) {
1195: if (@currnewattach > 0) {
1196: $newattachmsg .= '<b>New attachments</b><br />';
1197: if (@currnewattach > 1) {
1198: $newattachmsg .= '<ol>';
1199: foreach my $item (@currnewattach) {
1200: $item =~ m#.*/([^/]+)$#;
1201: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
1202: }
1203: $newattachmsg .= '</ol>'."\n";
1204: } else {
1205: $currnewattach[0] =~ m#.*/([^/]+)$#;
1206: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
1207: }
1208: }
1209: if ($attachmsg) {
1210: $r->print("<b>Retained attachments</b>:$attachmsg<br />\n");
1211: }
1212: if ($newattachmsg) {
1213: $r->print("$newattachmsg<br />");
1214: }
1215: }
1216: }
1217: $r->print(&generate_preview_button().
1218: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
1219: '</body></html>');
1220: }
1221:
1222: sub print_display_options {
1223: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_;
1224: # backward compatibility (bulletin boards used to be 'wrapped')
1225: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1226: $feedurl=~s|^/adm/wrapper||;
1227: }
1228:
1229: my $function = &Apache::loncommon::get_users_function();
1230: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1231: $ENV{'user.domain'});
1232: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1233: '','');
1234:
1235: my %lt = &Apache::lonlocal::texthash(
1236: 'dido' => 'Discussion display options',
1237: 'pref' => 'Display Preference',
1238: 'curr' => 'Current setting ',
1239: 'actn' => 'Action',
1240: 'deff' => 'Default for all discussions',
1241: 'prca' => 'Preferences can be set for this discussion that determine ....',
1242: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
1243: 'unwh' => 'Under what circumstances posts are identified as "NEW", and',
1244: 'wipa' => 'Whether individual posts can be marked as read/unread',
1245: 'allposts' => 'All posts',
1246: 'unread' => 'New posts only',
1247: 'unmark' => 'Posts not marked read',
1248: 'ondisp' => 'Once displayed',
1249: 'onmark' => 'Once marked not NEW ',
1250: 'toggon' => 'Shown',
1251: 'toggoff' => 'Not shown',
1252: 'disa' => 'Posts displayed?',
1253: 'npmr' => 'New posts cease to be identified as "NEW"?',
1254: 'dotm' => 'Option to mark each post as read/unread?',
1255: 'chgt' => 'Change to ',
1256: 'mkdf' => 'Set to ',
1257: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings',
1258: 'ywbr' => 'You will be returned to the previous page if you click OK.'
1259: );
1260:
1261: my $dispchangeA = $lt{'unread'};
1262: my $dispchangeB = $lt{'unmark'};
1263: my $markchange = $lt{'ondisp'};
1264: my $toggchange = $lt{'toggon'};
1265: my $currdisp = $lt{'allposts'};
1266: my $currmark = $lt{'onmark'};
1267: my $discdisp = 'allposts';
1268: my $discmark = 'onmark';
1269: my $currtogg = $lt{'toggoff'};
1270: my $disctogg = 'toggoff';
1271:
1272: if ($dispchgA eq 'allposts') {
1273: $dispchangeA = $lt{'allposts'};
1274: $currdisp = $lt{'unread'};
1275: $discdisp = 'unread';
1276: }
1277:
1278: if ($markchg eq 'markonread') {
1279: $markchange = $lt{'onmark'};
1280: $currmark = $lt{'ondisp'};
1281: $discmark = 'ondisp';
1282: }
1283:
1284: if ($dispchgB eq 'onlyunread') {
1285: $dispchangeB = $lt{'unread'};
1286: $currdisp = $lt{'unmark'};
1287: $discdisp = 'unmark';
1288: }
1289: if ($toggchg eq 'toggoff') {
1290: $toggchange = $lt{'toggoff'};
1291: $currtogg = $lt{'toggon'};
1292: $disctogg = 'toggon';
1293: }
1294: $r->print(<<END);
1295: <html>
1296: <head>
1297: <title>$lt{'dido'}</title>
1298: <meta http-equiv="pragma" content="no-cache" />
1299: <script>
1300: function discdispChk(caller) {
1301: var disctogg = '$toggchg'
1302: if (caller == 0) {
1303: if (document.modifydisp.discdisp[0].checked == true) {
1304: if (document.modifydisp.discdisp[1].checked == true) {
1305: document.modifydisp.discdisp[1].checked = false
1306: }
1307: }
1308: }
1309: if (caller == 1) {
1310: if (document.modifydisp.discdisp[1].checked == true) {
1311: if (document.modifydisp.discdisp[0].checked == true) {
1312: document.modifydisp.discdisp[0].checked = false
1313: }
1314: if (disctogg == 'toggon') {
1315: document.modifydisp.disctogg.checked = true
1316: }
1317: if (disctogg == 'toggoff') {
1318: document.modifydisp.disctogg.checked = false
1319: }
1320: }
1321: }
1322: if (caller == 2) {
1323: var dispchgB = '$dispchgB'
1324: if (disctogg == 'toggoff') {
1325: if (document.modifydisp.disctogg.checked == true) {
1326: if (dispchgB == 'onlyunmark') {
1327: document.modifydisp.discdisp[1].checked = false
1328: }
1329: }
1330: }
1331: }
1332: }
1333:
1334: function setDisp() {
1335: var prev = "$previous"
1336: var chktotal = 0
1337: if (document.modifydisp.discdisp[0].checked == true) {
1338: document.modifydisp.$dispchgA.value = "$symb"
1339: chktotal ++
1340: }
1341: if (document.modifydisp.discdisp[1].checked == true) {
1342: document.modifydisp.$dispchgB.value = "$symb"
1343: chktotal ++
1344: }
1345: if (document.modifydisp.discmark.checked == true) {
1346: document.modifydisp.$markchg.value = "$symb"
1347: chktotal ++
1348: }
1349: if (document.modifydisp.disctogg.checked == true) {
1350: document.modifydisp.$toggchg.value = "$symb"
1351: chktotal ++
1352: }
1353: if (chktotal > 0) {
1354: document.modifydisp.submit()
1355: } else {
1356: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1357: if (prev > 0) {
1358: location.href = "$feedurl?previous=$previous"
1359: } else {
1360: location.href = "$feedurl"
1361: }
1362: }
1363: }
1364: }
1365: </script>
1366: </head>
1367: $bodytag
1368: <form name="modifydisp" method="post" action="/adm/feedback">
1369: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
1370: <br />
1371: <table border="0" cellpadding="0" cellspacing="0">
1372: <tr>
1373: <td width="100%" bgcolor="#000000">
1374: <table width="100%" border="0" cellpadding="1" cellspacing="0">
1375: <tr>
1376: <td width="100%" bgcolor="#000000">
1377: <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
1378: <tr bgcolor="$tabcolor">
1379: <td><b>$lt{'pref'}</b></td>
1380: <td><b>$lt{'curr'}</b></td>
1381: <td><b>$lt{'actn'}?</b></td>
1382: </tr>
1383: <tr bgcolor="#dddddd">
1384: <td>$lt{'disa'}</td>
1385: <td>$lt{$discdisp}</td>
1386: <td><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"
1387: <br />
1388: <input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"
1389: </td>
1390: </tr><tr bgcolor="#eeeeee">
1391: <td>$lt{'npmr'}</td>
1392: <td>$lt{$discmark}</td>
1393: <td><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</td>
1394: </tr><tr bgcolor="#dddddd">
1395: <td>$lt{'dotm'}</td>
1396: <td>$lt{$disctogg}</td>
1397: <td><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</td>
1398: </tr>
1399: </table>
1400: </td>
1401: </tr>
1402: </table>
1403: </td>
1404: </tr>
1405: </table>
1406: <br />
1407: <br />
1408: <input type="hidden" name="previous" value="$previous" />
1409: <input type="hidden" name="$dispchgA" value=""/>
1410: <input type="hidden" name="$dispchgB" value=""/>
1411: <input type="hidden" name="$markchg" value=""/>
1412: <input type="hidden" name="$toggchg" value="" />
1413: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
1414: <br />
1415: <br />
1416: </form>
1417: </body>
1418: </html>
1419: END
1420: return;
1421: }
1422:
1423: sub print_sortfilter_options {
1424: my ($r,$symb,$previous,$feedurl) = @_;
1425: # backward compatibility (bulletin boards used to be 'wrapped')
1426: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1427: $feedurl=~s|^/adm/wrapper||;
1428: }
1429: my @sections = ();
1430: my $section_sel = '';
1431: my $numsections = 0;
1432: my $numvisible = 5;
1433: my ($classlist) = &Apache::loncoursedata::get_classlist(
1434: $ENV{'request.course.id'},
1435: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1436: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1437:
1438: my $sec_index = &Apache::loncoursedata::CL_SECTION();
1439: my $status_index = &Apache::loncoursedata::CL_STATUS();
1440: my %sectioncount = ();
1441: while (my ($student,$data) = each %$classlist) {
1442: my ($section,$status) = ($data->[$sec_index],
1443: $data->[$status_index]);
1444: unless ($section eq '' || $section =~ /^\s*$/) {
1445: if (!defined($sectioncount{$section})) {
1446: $sectioncount{$section} = 1;
1447: $numsections ++;
1448: } else {
1449: $sectioncount{$section} ++;
1450: }
1451: }
1452: }
1453:
1454: if ($ENV{'request.course.sec'} !~ /^\s*$/) {
1455: @sections = ($ENV{'request.course.sec'});
1456: $numvisible = 1;
1457: } else {
1458: @sections = sort {$a cmp $b} keys(%sectioncount);
1459: unshift(@sections,'all'); # Put 'all' at the front of the list
1460: if ($numsections < 4) {
1461: $numvisible = $numsections + 1;
1462: }
1463: }
1464: foreach (@sections) {
1465: $section_sel .= " <option value=\"$_\" />$_\n";
1466: }
1467:
1468: my $function = &Apache::loncommon::get_users_function();
1469: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1470: $ENV{'user.domain'});
1471: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1472: '','');
1473: my %lt = &Apache::lonlocal::texthash(
1474: 'diso' => 'Discussion sorting and filtering options',
1475: 'diop' => 'Display Options',
1476: 'curr' => 'Current setting ',
1477: 'actn' => 'Action',
1478: 'prca' => 'Options can be set that control the sort order of the posts, in addition to which posts are displayed.',
1479: 'soor' => 'Sort order',
1480: 'disp' => 'Specific user roles',
1481: 'actv' => 'Specific role status',
1482: 'spse' => 'Specific sections',
1483: 'psub' => 'Pick specific users (by name)',
1484: 'shal' => 'Show a list of current posters'
1485: );
1486: $r->print(<<END);
1487: <html>
1488: <head>
1489: <title>$lt{'diso'}</title>
1490: <meta http-equiv="pragma" content="no-cache" />
1491: </head>
1492: $bodytag
1493: <form name="modifyshown" method="post" action="/adm/feedback">
1494: <b>$lt{'diso'}</b><br/> $lt{'prca'}
1495: <br /><br />
1496: <table border="0">
1497: <tr>
1498: <td><b>$lt{'soor'}</b></td>
1499: <td> </td>
1500: <td><b>$lt{'disp'}</b></td>
1501: <td> </td>
1502: <td><b>$lt{'actv'}</b></td>
1503: <td> </td>
1504: <td><b>$lt{'spse'}</b></td>
1505: <td> </td>
1506: <td><b>$lt{'psub'}</b></td>
1507: </tr>
1508: <tr>
1509: <td>
1510: <select name="sortposts">
1511: <option value="ascdate" />Date order - oldest first
1512: <option value="descdate" />Date order - newest first
1513: <option value="thread" />Threaded
1514: <option value="subject" />By subject
1515: <option value="username" />By domain and username
1516: <option value="lastfirst" />By last name, first name
1517: </select>
1518: </td>
1519: <td> </td>
1520: <td>
1521: <select name="rolefilter" multiple="true" size="5">
1522: <option value="all" />All users
1523: <option value="st" />Students
1524: <option value="cc" />Course Coordinators
1525: <option value="in" />Instructors
1526: <option value="ta" />TAs
1527: <option value="pr" />Exam proctors
1528: <option value="cr" />Custom roles
1529: </select>
1530: </td>
1531: <td> </td>
1532: <td>
1533: <select name="statusfilter">
1534: <option value="all" />Roles of any status
1535: <option value="Active" />Only active roles
1536: <option value="Expired" />Only inactive roles
1537: </select>
1538: </td>
1539: <td> </td>
1540: <td>
1541: <select name="sectionpick" multiple="true" size="$numvisible">
1542: $section_sel
1543: </select>
1544: </td>
1545: <td> </td>
1546: <td><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</td>
1547: </tr>
1548: </table>
1549: <br />
1550: <br />
1551: <input type="hidden" name="previous" value="$previous" />
1552: <input type="hidden" name="applysort" value="$symb" />
1553: <input type="button" name="sub" value="Store Changes" onClick="javascript:document.modifyshown.submit()" />
1554: <br />
1555: <br />
1556: </form>
1557: </body>
1558: </html>
1559: END
1560: }
1561:
1562: sub print_showposters {
1563: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
1564: # backward compatibility (bulletin boards used to be 'wrapped')
1565: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1566: $feedurl=~s|^/adm/wrapper||;
1567: }
1568: # backward compatibility (bulletin boards used to be 'wrapped')
1569: my $ressymb=$symb;
1570: if ($ressymb =~ /bulletin___\d+___/) {
1571: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
1572: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
1573: }
1574: }
1575: my $crs='/'.$ENV{'request.course.id'};
1576: if ($ENV{'request.course.sec'}) {
1577: $crs.='_'.$ENV{'request.course.sec'};
1578: }
1579: $crs=~s/\_/\//g;
1580: my $seeid=&Apache::lonnet::allowed('rin',$crs);
1581: my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
1582: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1583: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1584: my %namesort = ();
1585: my %postcounts = ();
1586: my %lt=&Apache::lonlocal::texthash(
1587: 'diso' => 'Discussion filtering options',
1588: );
1589: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1590: '','');
1591: if ($contrib{'version'}) {
1592: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
1593: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
1594: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
1595: unless ((($hidden) && (!$seeid)) || ($deleted)) {
1596: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
1597: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1598: my $lastname = $names{'lastname'};
1599: my $firstname = $names{'firstname'};
1600: if ($lastname eq '') {
1601: $lastname = '_';
1602: }
1603: if ($firstname eq '') {
1604: $firstname = '_';
1605: }
1606: unless (defined($namesort{$lastname})) {
1607: %{$namesort{$lastname}} = ();
1608: }
1609: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
1610: $postcounts{$poster} ++;
1611: if (defined($namesort{$lastname}{$firstname})) {
1612: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
1613: push @{$namesort{$lastname}{$firstname}}, $poster;
1614: }
1615: } else {
1616: @{$namesort{$lastname}{$firstname}} = ("$poster");
1617: }
1618: }
1619: }
1620: }
1621: }
1622: $r->print(<<END);
1623: <html>
1624: <head>
1625: <title>$lt{'diso'}</title>
1626: <meta http-equiv="pragma" content="no-cache" />
1627: </head>
1628: $bodytag
1629: <form name="pickpostersform" method="post">
1630: <table border="0">
1631: <tr>
1632: <td bgcolor="#777777">
1633: <table border="0" cellpadding="3">
1634: <tr bgcolor="#e6ffff">
1635: <td><b>No.</b></td>
1636: <td><b>Select</b></td>
1637: <td><b>Fullname</b><font color="#999999">(Username/domain)</font></td>
1638: <td><b>Posts</td>
1639: </tr>
1640: END
1641: my $count = 0;
1642: foreach my $last (sort keys %namesort) {
1643: foreach my $first (sort keys %{$namesort{$last}}) {
1644: foreach (sort @{$namesort{$last}{$first}}) {
1645: my ($uname,$udom) = split/:/,$_;
1646: if (!$uname || !$udom) {
1647: next;
1648: } else {
1649: $count ++;
1650: $r->print('<tr bgcolor="#ffffe6"><td align="right">'.$count.'</td><td align="center"><input name="stuinfo" type="checkbox" value="'.$_.'" /></td><td>'.$last.', '.$first.' ('.$uname.','.$udom.')</td><td>'.$postcounts{$_}.'</td></tr>');
1651: }
1652: }
1653: }
1654: }
1655: $r->print(<<END);
1656: </table>
1657: </td>
1658: </tr>
1659: </table>
1660: <br />
1661: <input type="hidden" name="sortposts" value="$sortposts" />
1662: <input type="hidden" name="userpick" value="$symb" />
1663: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
1664: </form>
1665: </body>
1666: </html>
1667: END
1668: }
1669:
1670: sub get_post_versions {
1671: my ($versions,$incoming,$numver) = @_;
1672: my $p = HTML::LCParser->new(\$incoming);
1673: my $done = 0;
1674: while ( (my $token = $p->get_tag("version")) && (!$done)) {
1675: my $num = $token->[1]{num};
1676: my $text = $p->get_text("/version");
1677: if (defined($numver)) {
1678: if ($num == $numver) {
1679: $$versions{$numver}=$text;
1680: $done = 1;
1681: }
1682: } else {
1683: $$versions{$num}=$text;
1684: }
1685: }
1686: return;
1687: }
1688:
1689: sub get_post_attachments {
1690: my ($attachments,$attachmenturls) = @_;
1691: my $num;
1692: my $p = HTML::LCParser->new(\$attachmenturls);
1693: while (my $token = $p->get_tag("attachment","filename","post")) {
1694: if ($token->[0] eq "attachment") {
1695: $num = $token->[1]{id};
1696: %{$$attachments{$num}} =();
1697: } elsif ($token->[0] eq "filename") {
1698: $$attachments{$num}{'filename'} = $p->get_text("/filename");
1699: } elsif ($token->[0] eq "post") {
1700: my $id = $token->[1]{id};
1701: $$attachments{$num}{$id} = $p->get_text("/post");
1702: }
1703: }
1704: return;
1705: }
1706:
1707: sub fail_redirect {;
1708: my ($r,$feedurl) = @_;
1709: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
1710: $r->print (<<ENDFAILREDIR);
1711: <html>
1712: <head><title>Feedback not sent</title>
1713: <meta http-equiv="pragma" content="no-cache" />
1714: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
1715: </head>
1716: <body bgcolor="#FFFFFF">
1717: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1718: <b>Sorry, no recipients ...</b>
1719: </body>
1720: </html>
1721: ENDFAILREDIR
1722: }
1723:
1724: sub redirect_back {
1725: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous,$sort,$rolefilter,$statusfilter,$secpick,$numpicks) = @_;
1726: my $sorttag = '';
1727: my $roletag = '';
1728: my $statustag = '';
1729: my $sectag = '';
1730: my $userpicktag = '';
1731: my $qrystr = '';
1732: my $prevtag = '';
1733: # backward compatibility (bulletin boards used to be 'wrapped')
1734: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1735: $feedurl=~s|^/adm/wrapper||;
1736: }
1737: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
1738: if ($previous > 0) {
1739: $qrystr = 'previous='.$previous;
1740: if ($feedurl =~ /\?register=1/) {
1741: $feedurl .= '&'.$qrystr;
1742: } else {
1743: $feedurl .= '?'.$qrystr;
1744: }
1745: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
1746: }
1747: if (defined($sort)) {
1748: my $sortqry = 'sortposts='.$sort;
1749: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
1750: $feedurl .= '&'.$sortqry;
1751: } else {
1752: $feedurl .= '?'.$sortqry;
1753: }
1754: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
1755: if ( (defined($numpicks)) && ($numpicks > 0) ) {
1756: my $userpickqry = 'totposters='.$numpicks;
1757: $feedurl .= '&'.$userpickqry;
1758: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
1759: } else {
1760: my $roleqry = 'rolefilter='.$rolefilter;
1761: $feedurl .= '&'.$roleqry;
1762: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
1763: $feedurl .= '&statusfilter='.$statusfilter;
1764: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
1765: $feedurl .= '§ionpick='.$secpick;
1766: $sectag = '<input type="hidden" name="sectionpick" value="'.$secpick.'" />';
1767: }
1768: }
1769: $r->print (<<ENDREDIR);
1770: <html>
1771: <head>
1772: <title>Feedback sent</title>
1773: <meta http-equiv="pragma" content="no-cache" />
1774: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
1775: </head>
1776: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
1777: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1778: $typestyle
1779: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
1780: <font color="red">$status</font>
1781: <form name="reldt" action="$feedurl" target="loncapaclient">
1782: $prevtag
1783: $sorttag
1784: $statustag
1785: $roletag
1786: $sectag
1787: $userpicktag
1788: </form>
1789: </body>
1790: </html>
1791: ENDREDIR
1792: }
1793:
1794: sub no_redirect_back {
1795: my ($r,$feedurl) = @_;
1796: my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
1797: $r->print (<<ENDNOREDIR);
1798: <html>
1799: <head><title>Feedback not sent</title>
1800: <meta http-equiv="pragma" content="no-cache" />
1801: ENDNOREDIR
1802:
1803: if ($feedurl!~/^\/adm\/feedback/) {
1804: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.$feedurl.'">');
1805: }
1806:
1807: $r->print (<<ENDNOREDIRTWO);
1808: </head>
1809: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>
1810: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1811: <b>$nofeed</b>
1812: </body>
1813: </html>
1814: ENDNOREDIRTWO
1815: }
1816:
1817: sub screen_header {
1818: my ($feedurl) = @_;
1819: my $msgoptions='';
1820: my $discussoptions='';
1821: unless (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
1822: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) {
1823: $msgoptions=
1824: '<p><input type="checkbox" name="author" /> '.
1825: &mt('Feedback to resource author').'</p>';
1826: }
1827: if (&feedback_available(1)) {
1828: $msgoptions.=
1829: '<br /><input type="checkbox" name="question" /> '.
1830: &mt('Question about resource content');
1831: }
1832: if (&feedback_available(0,1)) {
1833: $msgoptions.=
1834: '<br /><input type="checkbox" name="course" /> '.
1835: &mt('Question/Comment/Feedback about course content');
1836: }
1837: if (&feedback_available(0,0,1)) {
1838: $msgoptions.=
1839: '<br /><input type="checkbox" name="policy" /> '.
1840: &mt('Question/Comment/Feedback about course policy');
1841: }
1842: }
1843: if ($ENV{'request.course.id'}) {
1844: if (&discussion_open() &&
1845: &Apache::lonnet::allowed('pch',
1846: $ENV{'request.course.id'}.
1847: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
1848: $discussoptions='<input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '.
1849: ($ENV{'form.replydisc'}?' checked="1"':'').' /> '.
1850: &mt('Contribution to course discussion of resource');
1851: $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
1852: &mt('Anonymous contribution to course discussion of resource').
1853: ' <i>('.&mt('name only visible to course faculty').')</i>';
1854: }
1855: }
1856: if ($msgoptions) { $msgoptions='<h2><img src="/adm/lonMisc/feedback.gif" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
1857: if ($discussoptions) {
1858: $discussoptions='<h2><img src="/adm/lonMisc/chat.gif" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
1859: return $msgoptions.$discussoptions;
1860: }
1861:
1862: sub resource_output {
1863: my ($feedurl) = @_;
1864: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
1865: $usersaw=~s/\<body[^\>]*\>//gi;
1866: $usersaw=~s/\<\/body\>//gi;
1867: $usersaw=~s/\<html\>//gi;
1868: $usersaw=~s/\<\/html\>//gi;
1869: $usersaw=~s/\<head\>//gi;
1870: $usersaw=~s/\<\/head\>//gi;
1871: $usersaw=~s/action\s*\=/would_be_action\=/gi;
1872: return $usersaw;
1873: }
1874:
1875: sub clear_out_html {
1876: my ($message,$override)=@_;
1877: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
1878: # Always allow the <m>-tag
1879: my %html=(M=>1);
1880: # Check if more is allowed
1881: my $cid=$ENV{'request.course.id'};
1882: if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
1883: ($override)) {
1884: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
1885: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
1886: # <SUP>
1887: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
1888: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
1889: M=>1, SUB=>1, SUP=>1, SPAN=>1,
1890: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
1891: }
1892: # Do the substitution of everything that is not explicitly allowed
1893: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
1894: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
1895: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
1896: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
1897: return $message;
1898: }
1899:
1900: sub assemble_email {
1901: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
1902: my $email=<<"ENDEMAIL";
1903: Refers to <a href="$feedurl">$feedurl</a>
1904:
1905: $message
1906: ENDEMAIL
1907: my $citations=<<"ENDCITE";
1908: <h2>Previous attempts of student (if applicable)</h2>
1909: $prevattempts
1910: <br /><hr />
1911: <h2>Original screen output (if applicable)</h2>
1912: $usersaw
1913: <h2>Correct Answer(s) (if applicable)</h2>
1914: $useranswer
1915: ENDCITE
1916: return ($email,$citations);
1917: }
1918:
1919: sub secapply {
1920: my $rec=shift;
1921: my $defaultflag=shift;
1922: $rec=~s/\s+//g;
1923: $rec=~s/\@/\:/g;
1924: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
1925: if ($sections) {
1926: foreach (split(/\;/,$sections)) {
1927: if (($_ eq $ENV{'request.course.sec'}) ||
1928: ($defaultflag && ($_ eq '*'))) {
1929: return $adr;
1930: }
1931: }
1932: } else {
1933: return $rec;
1934: }
1935: return '';
1936: }
1937:
1938: sub decide_receiver {
1939: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
1940: my $typestyle='';
1941: my %to=();
1942: if ($ENV{'form.author'}||$author) {
1943: $typestyle.='Submitting as Author Feedback<br>';
1944: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
1945: $to{$2.':'.$1}=1;
1946: }
1947: if ($ENV{'form.question'}||$question) {
1948: $typestyle.='Submitting as Question<br>';
1949: foreach (split(/\,/,
1950: $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'})
1951: ) {
1952: my $rec=&secapply($_,$defaultflag);
1953: if ($rec) { $to{$rec}=1; }
1954: }
1955: }
1956: if ($ENV{'form.course'}||$course) {
1957: $typestyle.='Submitting as Comment<br />';
1958: foreach (split(/\,/,
1959: $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'})
1960: ) {
1961: my $rec=&secapply($_,$defaultflag);
1962: if ($rec) { $to{$rec}=1; }
1963: }
1964: }
1965: if ($ENV{'form.policy'}||$policy) {
1966: $typestyle.='Submitting as Policy Feedback<br />';
1967: foreach (split(/\,/,
1968: $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'})
1969: ) {
1970: my $rec=&secapply($_,$defaultflag);
1971: if ($rec) { $to{$rec}=1; }
1972: }
1973: }
1974: if ((scalar(%to) eq '0') && (!$defaultflag)) {
1975: ($typestyle,%to)=
1976: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
1977: }
1978: return ($typestyle,%to);
1979: }
1980:
1981: sub feedback_available {
1982: my ($question,$course,$policy)=@_;
1983: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
1984: return scalar(%to);
1985: }
1986:
1987: sub send_msg {
1988: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_;
1989: my $status='';
1990: my $sendsomething=0;
1991: foreach (keys %to) {
1992: if ($_) {
1993: my $declutter=&Apache::lonnet::declutter($feedurl);
1994: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
1995: 'Feedback ['.$declutter.']',$email,$citations,$feedurl,
1996: $attachmenturl)=~/ok/) {
1997: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
1998: } else {
1999: $sendsomething++;
2000: }
2001: }
2002: }
2003:
2004: my %record=&Apache::lonnet::restore('_feedback');
2005: my ($temp)=keys %record;
2006: unless ($temp=~/^error\:/) {
2007: my %newrecord=();
2008: $newrecord{'resource'}=$feedurl;
2009: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2010: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
2011: $status.='<br />'.&mt('Not registered').'<br />';
2012: }
2013: }
2014:
2015: return ($status,$sendsomething);
2016: }
2017:
2018: sub adddiscuss {
2019: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
2020: my $status='';
2021: if (&discussion_open() &&
2022: &Apache::lonnet::allowed('pch',$ENV{'request.course.id'}.
2023: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
2024:
2025: my %contrib=('message' => $email,
2026: 'sendername' => $ENV{'user.name'},
2027: 'senderdomain' => $ENV{'user.domain'},
2028: 'screenname' => $ENV{'environment.screenname'},
2029: 'plainname' => $ENV{'environment.firstname'}.' '.
2030: $ENV{'environment.middlename'}.' '.
2031: $ENV{'environment.lastname'}.' '.
2032: $ENV{'enrironment.generation'},
2033: 'attachmenturl'=> $attachmenturl,
2034: 'subject' => $subject);
2035: if ($ENV{'form.replydisc'}) {
2036: $contrib{'replyto'}=(split(/\:\:\:/,$ENV{'form.replydisc'}))[1];
2037: }
2038: if ($anon) {
2039: $contrib{'anonymous'}='true';
2040: }
2041: if (($symb) && ($email)) {
2042: if ($ENV{'form.editdisc'}) {
2043: my %newcontrib = ();
2044: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
2045: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
2046: $contrib{'timestamp'} = time;
2047: $contrib{'history'} = '';
2048: my $numoldver = 0;
2049: my ($oldsymb,$oldidx)=split(/\:\:\:/,$ENV{'form.editdisc'});
2050: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
2051: # get timestamp for last post and history
2052: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$ENV{'request.course.id'},
2053: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2054: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2055: if (defined($oldcontrib{$oldidx.':replyto'})) {
2056: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
2057: }
2058: if (defined($oldcontrib{$oldidx.':history'})) {
2059: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
2060: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'};
2061: $numoldver = @oldversions;
2062: } else {
2063: $numoldver = 1;
2064: }
2065: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
2066: }
2067: my $numnewver = $numoldver + 1;
2068: if (defined($oldcontrib{$oldidx.':subject'})) {
2069: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) {
2070: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2071: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'};
2072: } else {
2073: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>';
2074: }
2075: }
2076: if (defined($oldcontrib{$oldidx.':message'})) {
2077: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) {
2078: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2079: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'};
2080: } else {
2081: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>';
2082: }
2083: }
2084: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
2085: foreach (keys %contrib) {
2086: my $key = $oldidx.':'.&Apache::lonnet::escape($oldsymb).':'.$_;
2087: $newcontrib{$key} = $contrib{$_};
2088: }
2089: my $put_reply = &Apache::lonnet::putstore($ENV{'request.course.id'},
2090: \%newcontrib,
2091: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2092: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2093: $status='Editing class discussion'.($anon?' (anonymous)':'');
2094: } else {
2095: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
2096: &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},
2097: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2098: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2099: }
2100: my %storenewentry=($symb => time);
2101: $status.='<br />'.&mt('Updating discussion time').': '.
2102: &Apache::lonnet::put('discussiontimes',\%storenewentry,
2103: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2104: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2105: }
2106: my %record=&Apache::lonnet::restore('_discussion');
2107: my ($temp)=keys %record;
2108: unless ($temp=~/^error\:/) {
2109: my %newrecord=();
2110: $newrecord{'resource'}=$symb;
2111: $newrecord{'subnumber'}=$record{'subnumber'}+1;
2112: $status.='<br />'.&mt('Registering').': '.
2113: &Apache::lonnet::cstore(\%newrecord,'_discussion');
2114: }
2115: } else {
2116: $status.='Failed.';
2117: }
2118: return $status.'<br />';
2119: }
2120:
2121: # ----------------------------------------------------------- Preview function
2122:
2123: sub show_preview {
2124: my $r=shift;
2125: my $message=&clear_out_html($ENV{'form.comment'});
2126: $message=~s/\n/\<br \/\>/g;
2127: $message=&Apache::lonspeller::markeduptext($message);
2128: $message=&Apache::lontexconvert::msgtexconverted($message);
2129: my $subject=&clear_out_html($ENV{'form.subject'});
2130: $subject=~s/\n/\<br \/\>/g;
2131: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2132: $r->print('<table border="2"><tr><td>'.
2133: '<b>Subject:</b> '.$subject.'<br /><br />'.
2134: $message.'</td></tr></table>');
2135: }
2136:
2137: sub generate_preview_button {
2138: my $pre=&mt("Show Preview and Check Spelling");
2139: return(<<ENDPREVIEW);
2140: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
2141: <input type="hidden" name="subject">
2142: <input type="hidden" name="comment" />
2143: <input type="button" value="$pre"
2144: 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();" />
2145: </form>
2146: ENDPREVIEW
2147: }
2148:
2149: sub modify_attachments {
2150: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
2151: my $subject=&clear_out_html($ENV{'form.subject'});
2152: $subject=~s/\n/\<br \/\>/g;
2153: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2154: my $timestamp=$ENV{'form.timestamp'};
2155: my $numoldver=$ENV{'form.numoldver'};
2156: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Attachments',
2157: '','');
2158: my $msg = '';
2159: my %attachments = ();
2160: my %currattach = ();
2161: if ($idx) {
2162: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
2163: }
2164: $r->print(<<END);
2165: <html>
2166: <head>
2167: <title>Managing Attachments</title>
2168: <script>
2169: function setAction () {
2170: document.modattachments.action = document.modattachments.origpage.value;
2171: document.modattachments.submit();
2172: }
2173: </script>
2174: </head>
2175: $bodytag
2176: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
2177: <table border="2">
2178: <tr>
2179: <td>
2180: <b>Subject:</b>$subject</b><br /><br />
2181: END
2182: if ($idx) {
2183: if ($attachmenturls) {
2184: my @currold = keys %currattach;
2185: if (@currold > 0) {
2186: $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");
2187: foreach my $id (@currold) {
2188: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
2189: $attachurl =~ m#/([^/]+)$#;
2190: $r->print('<input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'<br />'."\n");
2191: }
2192: $r->print("<br />");
2193: }
2194: }
2195: }
2196: if (@{$currnewattach} > 0) {
2197: $r->print("The following attachments have been uploaded for inclusion with this posting.<br />Check the checkboxes for any you wish to remove<br />\n");
2198: foreach (@{$currnewattach}) {
2199: $_ =~ m#/([^/]+)$#;
2200: $r->print('<input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'<br />'."\n");
2201: }
2202: $r->print("<br />");
2203: }
2204: $r->print(<<END);
2205: Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
2206: </td>
2207: </tr>
2208: </table>
2209: <input type="hidden" name="subject" value="$ENV{'form.subject'}" />
2210: <input type="hidden" name="comment" value="$ENV{'form.comment'}" />
2211: <input type="hidden" name="timestamp" value="$ENV{'form.timestamp'}" />
2212: <input type="hidden" name="idx" value="$ENV{'form.idx'}" />
2213: <input type="hidden" name="numoldver" value="$ENV{'form.numoldver'}" />
2214: <input type="hidden" name="origpage" value="$ENV{'form.origpage'}" />
2215: <input type="hidden" name="anondiscuss" value="$ENV{'form.anondiscuss'}" />
2216: <input type="hidden" name="discuss" value="$ENV{'form.discuss'}" />
2217: END
2218: foreach (@{$currnewattach}) {
2219: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");
2220: }
2221: foreach (@{$currdelold}) {
2222: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");
2223: }
2224: $r->print(<<END);
2225: <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/>
2226: </form>
2227: </body>
2228: </html>
2229: END
2230: return;
2231: }
2232:
2233: sub process_attachments {
2234: my ($currnewattach,$currdelold,$keepold) = @_;
2235: if (exists($ENV{'form.currnewattach'})) {
2236: if (ref($ENV{'form.currnewattach'}) eq 'ARRAY') {
2237: @{$currnewattach} = @{$ENV{'form.currnewattach'}};
2238: } else {
2239: $$currnewattach[0] = $ENV{'form.currnewattach'};
2240: }
2241: }
2242: if (exists($ENV{'form.deloldattach'})) {
2243: if (ref($ENV{'form.deloldattach'}) eq 'ARRAY') {
2244: @{$currdelold} = @{$ENV{'form.deloldattach'}};
2245: } else {
2246: $$currdelold[0] = $ENV{'form.deloldattach'};
2247: }
2248: }
2249: if (exists($ENV{'form.delnewattach'})) {
2250: my @currdelnew = ();
2251: my @currnew = ();
2252: if (ref($ENV{'form.delnewattach'}) eq 'ARRAY') {
2253: @currdelnew = @{$ENV{'form.delnewattach'}};
2254: } else {
2255: $currdelnew[0] = $ENV{'form.delnewattach'};
2256: }
2257: foreach my $newone (@{$currnewattach}) {
2258: my $delflag = 0;
2259: foreach (@currdelnew) {
2260: if ($newone eq $_) {
2261: $delflag = 1;
2262: last;
2263: }
2264: }
2265: unless ($delflag) {
2266: push @currnew, $newone;
2267: }
2268: }
2269: @{$currnewattach} = @currnew;
2270: }
2271: if (exists($ENV{'form.keepold'})) {
2272: if (ref($ENV{'form.keepold'}) eq 'ARRAY') {
2273: @{$keepold} = @{$ENV{'form.keepold'}};
2274: } else {
2275: $$keepold[0] = $ENV{'form.keepold'};
2276: }
2277: }
2278: }
2279:
2280: sub generate_attachments_button {
2281: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_;
2282: my $origpage = $ENV{'REQUEST_URI'};
2283: my $att=$attachnum.' '.&mt("attachments");
2284: my $response = (<<END);
2285: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
2286: Click to add/remove attachments: <input type="button" value="$att"
2287: onClick="this.form.subject.value=document.mailform.subject.value;this.form.comment.value=document.mailform.comment.value;
2288: END
2289: unless ($mode eq 'board') {
2290: $response .= 'javascript:anonchk();';
2291: }
2292: $response .= (<<ENDATTACH);
2293: this.form.submit();" />
2294: <input type="hidden" name="origpage" value="$origpage" />
2295: <input type="hidden" name="idx" value="$idx" />
2296: <input type="hidden" name="timestamp" value="$now" />
2297: <input type="hidden" name="subject" />
2298: <input type="hidden" name="comment" />
2299: <input type="hidden" name="anondiscuss" value = "0";
2300: <input type="hidden" name="discuss" value = "0";
2301: <input type="hidden" name="numoldver" value="$numoldver" />
2302: ENDATTACH
2303: if (defined($deloldattach)) {
2304: if (@{$deloldattach} > 0) {
2305: foreach (@{$deloldattach}) {
2306: $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n";
2307: }
2308: }
2309: }
2310: if (defined($currnewattach)) {
2311: if (@{$currnewattach} > 0) {
2312: foreach (@{$currnewattach}) {
2313: $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
2314: }
2315: }
2316: }
2317: $response .= '</form>';
2318: return $response;
2319: }
2320:
2321: sub extract_attachments {
2322: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
2323: if ($attachmenturls =~ m/^<attachment id="0">/) {
2324: &get_post_attachments($attachments,$attachmenturls);
2325: foreach my $id (sort keys %{$attachments}) {
2326: if (exists($$attachments{$id}{$numoldver})) {
2327: if (defined($currdelold)) {
2328: if (@{$currdelold} > 0) {
2329: unless (grep/^$id$/,@{$currdelold}) {
2330: $$currattach{$id} = $$attachments{$id}{$numoldver};
2331: }
2332: } else {
2333: $$currattach{$id} = $$attachments{$id}{$numoldver};
2334: }
2335: } else {
2336: $$currattach{$id} = $$attachments{$id}{$numoldver};
2337: }
2338: }
2339: }
2340: my @attached = (sort { $a <=> $b } keys %{$currattach});
2341: if (@attached == 1) {
2342: my $id = $attached[0];
2343: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
2344: $attachurl=~m|/([^/]+)$|;
2345: $$message.='<br /><a href="'.$attachurl.'"><tt>'.
2346: $1.'</tt></a><br />';
2347: &Apache::lonnet::allowuploaded('/adm/feedback',
2348: $attachurl);
2349: } elsif (@attached > 1) {
2350: $$message.='<ol>';
2351: foreach (@attached) {
2352: my $id = $_;
2353: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
2354: my ($fname)
2355: =($attachurl=~m|/([^/]+)$|);
2356: $$message .= '<li><a href="'.$attachurl.
2357: '"><tt>'.
2358: $fname.'</tt></a></li>';
2359: &Apache::lonnet::allowuploaded('/adm/feedback',
2360: $attachurl);
2361: }
2362: $$message .= '</ol><br />';
2363: }
2364: } else {
2365: my ($fname)
2366: =($attachmenturls=~m|/([^/]+)$|);
2367: $$message .='<p>'.&mt('Attachment').
2368: ': <a href="'.$attachmenturls.
2369: '"><tt>'.
2370: $fname.'</tt></a></p>';
2371: $$attachments{0} = $attachmenturls;
2372: $$currattach{'0'} = 'n';
2373: &Apache::lonnet::allowuploaded('/adm/feedback',
2374: $attachmenturls);
2375: }
2376: }
2377:
2378: sub construct_attachmenturl {
2379: my ($currnewattach,$keepold,$symb,$idx)=@_;
2380: my $oldattachmenturl;
2381: my $newattachmenturl;
2382: my $startnum = 0;
2383: my $currver = 0;
2384: if (($ENV{'form.editdisc'}) && ($idx)) {
2385: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2386: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2387: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2388: $oldattachmenturl = $contrib{$idx.':attachmenturl'};
2389: if ($contrib{$idx.':history'}) {
2390: if ($contrib{$idx.':history'} =~ /:/) {
2391: my @oldversions = split/:/,$contrib{$idx.':history'};
2392: $currver = 1 + scalar(@oldversions);
2393: } else {
2394: $currver = 2;
2395: }
2396: } else {
2397: $currver = 1;
2398: }
2399: if ($oldattachmenturl) {
2400: if ($oldattachmenturl =~ m/^<attachment id="0">/) {
2401: my %attachments = ();
2402: my $prevver = $currver-1;
2403: &get_post_attachments(\%attachments,$oldattachmenturl);
2404: my $numattach = keys %attachments;
2405: $startnum += $numattach;
2406: foreach my $num (sort {$a <=> $b} keys %attachments) {
2407: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
2408: foreach (sort {$a <=> $b} keys %{$attachments{$num}}) {
2409: $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>';
2410: }
2411: if (grep/^$num$/,@{$keepold}) {
2412: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>';
2413: }
2414: $newattachmenturl .= '</attachment>';
2415: }
2416: } else {
2417: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'<post id="0">n</post>';
2418: unless (grep/^0$/,@{$keepold}) {
2419: $newattachmenturl .= '<post id="1">n</post>';
2420: }
2421: $newattachmenturl .= '</attachment>';
2422: $startnum ++;
2423: }
2424: }
2425: }
2426: for (my $i=0; $i<@{$currnewattach}; $i++) {
2427: my $attachnum = $startnum + $i;
2428: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>';
2429: }
2430: return $newattachmenturl;
2431: }
2432:
2433: sub handler {
2434: my $r = shift;
2435: if ($r->header_only) {
2436: &Apache::loncommon::content_type($r,'text/html');
2437: $r->send_http_header;
2438: return OK;
2439: }
2440:
2441: # --------------------------- Get query string for limited number of parameters
2442:
2443: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2444: ['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']);
2445: if ($ENV{'form.discsymb'}) {
2446: my $symb = $ENV{'form.discsymb'};
2447: my $readkey = $symb.'_read';
2448: my %readinghash = ();
2449: my $chgcount = 0;
2450: %readinghash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$readkey],$ENV{'user.domain'},$ENV{'user.name'});
2451: foreach my $key (keys %ENV) {
2452: if ($key =~ m/^form\.postunread_(\d+)/) {
2453: if ($readinghash{$readkey} =~ /\.$1\./) {
2454: $readinghash{$readkey} =~ s/\.$1\.//;
2455: $chgcount ++;
2456: }
2457: } elsif ($key =~ m/^form\.postread_(\d+)/) {
2458: unless ($readinghash{$readkey} =~ /\.$1\./) {
2459: $readinghash{$readkey} .= '.'.$1.'.';
2460: $chgcount ++;
2461: }
2462: }
2463: }
2464: if ($chgcount > 0) {
2465: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%readinghash,$ENV{'user.domain'},$ENV{'user.name'});
2466: }
2467: &Apache::loncommon::content_type($r,'text/html');
2468: $r->send_http_header;
2469: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2470: my $previous=$ENV{'form.previous'};
2471: my $feedurl = &Apache::lonnet::clutter($url);
2472: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />','0','0','',$previous,'','','',);
2473: return OK;
2474: }
2475: if ($ENV{'form.allversions'}) {
2476: &Apache::loncommon::content_type($r,'text/html');
2477: $r->send_http_header;
2478: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions',
2479: '','');
2480: $r->print (<<END);
2481: <html>
2482: <head>
2483: <title>Post Versions</title>
2484: <meta http-equiv="pragma" content="no-cache" />
2485: </head>
2486: $bodytag
2487: END
2488: my $crs='/'.$ENV{'request.course.id'};
2489: if ($ENV{'request.course.sec'}) {
2490: $crs.='_'.$ENV{'request.course.sec'};
2491: }
2492: $crs=~s/\_/\//g;
2493: my $seeid=&Apache::lonnet::allowed('rin',$crs);
2494: my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.allversions'});
2495: my $ressymb=$symb;
2496: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2497: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
2498: }
2499: if ($idx > 0) {
2500: my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
2501: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2502: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2503: if ($contrib{$idx.':history'}) {
2504: my $attachmenturls = $contrib{$idx.':attachmenturl'};
2505: my @postversions = ();
2506: my %messages = ();
2507: my %subjects = ();
2508: if ($contrib{$idx.':history'} =~ m/:/) {
2509: @postversions = split/:/,$contrib{$idx.':history'};
2510: } else {
2511: @postversions = ("$contrib{$idx.':history'}");
2512: }
2513: if (@postversions > 0) {
2514: &get_post_versions(\%messages,$contrib{$idx.':message'});
2515: &get_post_versions(\%subjects,$contrib{$idx.':subject'});
2516: push @postversions,$contrib{$idx.':timestamp'};
2517: my $screenname=&Apache::loncommon::screenname(
2518: $contrib{$idx.':sendername'},
2519: $contrib{$idx.':senderdomain'});
2520: my $plainname=&Apache::loncommon::nickname(
2521: $contrib{$idx.':sendername'},
2522: $contrib{$idx.':senderdomain'});
2523: my $sender=&Apache::loncommon::aboutmewrapper(
2524: $plainname,
2525: $contrib{$idx.':sendername'},
2526: $contrib{$idx.':senderdomain'}).' ('.
2527: $contrib{$idx.':sendername'}.' at '.
2528: $contrib{$idx.':senderdomain'}.')';
2529: if ($contrib{$idx.':anonymous'}) {
2530: $sender.=' ['.&mt('anonymous').'] '.$screenname;
2531: }
2532: $r->print('<b>'.$sender.'</b><br /><ul>');
2533: for (my $i=0; $i<@postversions; $i++) {
2534: my ($timesent,$message,$subject,$attachmsg);
2535: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
2536: $message=&HTML::Entities::decode($messages{$i});
2537: $subject=&HTML::Entities::decode($subjects{$i});
2538: $message=~s/\n/\<br \/\>/g;
2539: $message=&Apache::lontexconvert::msgtexconverted($message);
2540: $subject=~s/\n/\<br \/\>/g;
2541: $subject=&Apache::lontexconvert::msgtexconverted($subject);
2542: if ($attachmenturls) {
2543: my %attachments = ();
2544: my %currattach = ();
2545: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,\%attachments,\%currattach);
2546: }
2547: if ($attachmsg) {
2548: $attachmsg = '<br />Attachments:'.$attachmsg.'<br />';
2549: } else {
2550: $attachmsg = '<br />';
2551: }
2552: $r->print (<<END);
2553: <li><b>$subject</b>, $timesent<br />
2554: $message<br />
2555: $attachmsg</li>
2556: END
2557: }
2558: $r->print('</ul></body></html>');
2559: }
2560: }
2561: }
2562: return OK;
2563: }
2564: if ($ENV{'form.posterlist'}) {
2565: &Apache::loncommon::content_type($r,'text/html');
2566: $r->send_http_header;
2567: my $symb=$ENV{'form.posterlist'};
2568: my $sortposts = $ENV{'form.sortposts'};
2569: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2570: my $previous=$ENV{'form.previous'};
2571: my $feedurl = &Apache::lonnet::clutter($url);
2572: # backward compatibility (bulletin boards used to be 'wrapped')
2573: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2574: $feedurl=~s|^/adm/wrapper||;
2575: }
2576: &print_showposters($r,$symb,$previous,$feedurl,$sortposts);
2577: return OK;
2578: }
2579: if ($ENV{'form.userpick'}) {
2580: &Apache::loncommon::content_type($r,'text/html');
2581: $r->send_http_header;
2582: my $symb=$ENV{'form.userpick'};
2583: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2584: my $previous=$ENV{'form.previous'};
2585: # backward compatibility (bulletin boards used to be 'wrapped')
2586: my $ressymb=$symb;
2587: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2588: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
2589: }
2590: my $sort=$ENV{'form.sortposts'};
2591: my @posters = ();
2592: if (ref($ENV{'form.stuinfo'}) eq 'ARRAY') {
2593: @posters = $ENV{'form.stuinfo'};
2594: } else {
2595: $posters[0] = $ENV{'form.stuinfo'};
2596: }
2597: my $numpicks = @posters;
2598: if (defined($ENV{'form.userpick'})) {
2599: my %discinfo = ();
2600: $discinfo{$ressymb.'_userpick'} = join('&',@posters);
2601: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2602: }
2603: my $feedurl = &Apache::lonnet::clutter($url);
2604: # backward compatibility (bulletin boards used to be 'wrapped')
2605: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2606: $feedurl=~s|^/adm/wrapper||;
2607: }
2608: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',$previous,$sort,'','','',$numpicks);
2609: return OK;
2610: }
2611: if ($ENV{'form.applysort'}) {
2612: &Apache::loncommon::content_type($r,'text/html');
2613: $r->send_http_header;
2614: my $symb=$ENV{'form.applysort'};
2615: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2616: my $previous=$ENV{'form.previous'};
2617: my $sort = $ENV{'form.sortposts'};
2618: my $rolefilter = $ENV{'form.rolefilter'};
2619: my $statusfilter = $ENV{'form.statusfilter'};
2620: my $secpick = $ENV{'form.sectionpick'};
2621: my $feedurl = &Apache::lonnet::clutter($url);
2622: # backward compatibility (bulletin boards used to be 'wrapped')
2623: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2624: $feedurl=~s|^/adm/wrapper||;
2625: }
2626: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',$previous,$sort,$rolefilter,$statusfilter,$secpick);
2627: return OK;
2628: } elsif ($ENV{'form.sortfilter'}) {
2629: &Apache::loncommon::content_type($r,'text/html');
2630: $r->send_http_header;
2631: my $symb=$ENV{'form.sortfilter'};
2632: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2633: my $previous=$ENV{'form.previous'};
2634: my $feedurl = &Apache::lonnet::clutter($url);
2635: # backward compatibility (bulletin boards used to be 'wrapped')
2636: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2637: $feedurl=~s|^/adm/wrapper||;
2638: }
2639: &print_sortfilter_options($r,$symb,$previous,$feedurl);
2640: return OK;
2641: } elsif ($ENV{'form.navmaps'}) {
2642: my %discinfo = ();
2643: my @resources = ();
2644: if ($ENV{'form.navmaps'} =~ /:/) {
2645: @resources = split/:/,$ENV{'form.navmaps'};
2646: } else {
2647: @resources = ("$ENV{'form.navmaps'}");
2648: }
2649: my $numitems = @resources;
2650: my $feedurl = '/adm/navmaps';
2651: if ($ENV{'form.navurl'}) {
2652: $feedurl .= '?'.$ENV{'form.navurl'};
2653: }
2654: my %lt = &Apache::lonlocal::texthash(
2655: 'mnpa' => 'Marked "New" posts as read in a total of',
2656: 'robb' => 'resources/bulletin boards.'
2657: );
2658: foreach (@resources) {
2659: # backward compatibility (bulletin boards used to be 'wrapped')
2660: my $ressymb=$_;
2661: if ($ressymb =~ m/bulletin___\d+___/) {
2662: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2663: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper/|;
2664: }
2665: }
2666: my $lastkey = $ressymb.'_lastread';
2667: $discinfo{$lastkey} = time;
2668: }
2669: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2670: &Apache::loncommon::content_type($r,'text/html');
2671: $r->send_http_header;
2672: $r->print (<<ENDREDIR);
2673: <html>
2674: <head>
2675: <title>New posts marked as read</title>
2676: <meta http-equiv="pragma" content="no-cache" />
2677: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
2678: </head>
2679: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
2680: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
2681: <b>$lt{'mnpa'} $numitems $lt{'robb'}</b>
2682: <form name="reldt" action="$feedurl" target="loncapaclient">
2683: </form>
2684: </body>
2685: </html>
2686: ENDREDIR
2687: return OK;
2688: } elsif ($ENV{'form.modifydisp'}) {
2689: &Apache::loncommon::content_type($r,'text/html');
2690: $r->send_http_header;
2691: my $symb=$ENV{'form.modifydisp'};
2692: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2693: my $previous=$ENV{'form.previous'};
2694: my ($dispchgA,$dispchgB,$markchg,$toggchg) = split/_/,$ENV{'form.changes'};
2695: my $feedurl = &Apache::lonnet::clutter($url);
2696: # backward compatibility (bulletin boards used to be 'wrapped')
2697: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2698: $feedurl=~s|^/adm/wrapper||;
2699: }
2700: &print_display_options($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl);
2701: return OK;
2702: } elsif (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'}) || ($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) || $ENV{'form.onlyunmark'} || $ENV{'form.toggoff'} || $ENV{'form.toggon'} ) {
2703: &Apache::loncommon::content_type($r,'text/html');
2704: $r->send_http_header;
2705: my $previous=$ENV{'form.previous'};
2706: my ($map,$ind,$url);
2707: if ( ($ENV{'form.toggoff'}) || ($ENV{'form.toggon'}) ) {
2708: # ------------------------------ Modify setting for read/unread toggle for each post
2709: my $symb=$ENV{'form.toggoff'}?$ENV{'form.toggoff'}:$ENV{'form.toggon'};
2710: my $ressymb = $symb;
2711: ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2712: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2713: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
2714: }
2715: my %discinfo = ();
2716: my $toggkey = $ressymb.'_readtoggle';
2717: if ($ENV{'form.toggon'}) {
2718: $discinfo{$toggkey} = 1;
2719: } elsif ($ENV{'form.toggoff'}) {
2720: $discinfo{$toggkey} = 0;
2721: }
2722: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2723: }
2724: if (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'})) {
2725: # ---------------------- Modify setting for identification of 'NEW' posts in this discussion
2726: my $symb=$ENV{'form.markondisp'}?$ENV{'form.markondisp'}:$ENV{'form.markonread'};
2727: my $ressymb = $symb;
2728: ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2729: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2730: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
2731: }
2732: my %discinfo = ();
2733: my $lastkey = $ressymb.'_lastread';
2734: my $ondispkey = $ressymb.'_markondisp';
2735: if ($ENV{'form.markondisp'}) {
2736: $discinfo{$lastkey} = time;
2737: $discinfo{$ondispkey} = 1;
2738: } elsif ($ENV{'form.markonread'}) {
2739: if ( $previous > 0 ) {
2740: $discinfo{$lastkey} = $previous;
2741: }
2742: $discinfo{$ondispkey} = 0;
2743: }
2744: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2745: }
2746: if (($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) || ($ENV{'form.onlyunmark'}) ) {
2747: # ----------------------------------------------------------------- Modify display setting for this discussion
2748: my $symb;
2749: if ($ENV{'form.allposts'}) {
2750: $symb = $ENV{'form.allposts'};
2751: } elsif ($ENV{'form.onlyunread'}) {
2752: $symb = $ENV{'form.onlyunread'};
2753: } else {
2754: $symb = $ENV{'form.onlyunmark'};
2755: }
2756: my $ressymb = $symb;
2757: ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2758: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2759: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
2760: }
2761: my %discinfo = ();
2762: if ($ENV{'form.allposts'}) {
2763: $discinfo{$ressymb.'_showonlyunread'} = 0;
2764: $discinfo{$ressymb.'_showonlyunmark'} = 0;
2765: } elsif ($ENV{'form.onlyunread'}) {
2766: $discinfo{$ressymb.'_showonlyunread'} = 1;
2767: } else {
2768: $discinfo{$ressymb.'_showonlyunmark'} = 1;
2769: }
2770: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2771: }
2772: if (($ENV{'form.markonread'}) || ($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) || ($ENV{'form.onlyunmark'}) ||($ENV{'form.toggoff'}) || ($ENV{'form.toggon'}) ) {
2773: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0','',$previous);
2774: } else {
2775: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0');
2776: }
2777: return OK;
2778: } elsif ($ENV{'form.markread'}) {
2779: # ----------------------------------------------------------------- Mark new posts not NEW
2780: &Apache::loncommon::content_type($r,'text/html');
2781: $r->send_http_header;
2782: my $symb=$ENV{'form.markread'};
2783: my $ressymb = $symb;
2784: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2785: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
2786: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
2787: }
2788: my %discinfo = ();
2789: my $lastkey = $ressymb.'_lastread';
2790: $discinfo{$lastkey} = time;
2791: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
2792: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed reading status').'<br />','0','0');
2793: return OK;
2794: } elsif (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {
2795: # ----------------------------------------------------------------- Hide/unhide
2796: &Apache::loncommon::content_type($r,'text/html');
2797: $r->send_http_header;
2798:
2799: my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};
2800:
2801: my ($symb,$idx)=split(/\:\:\:/,$entry);
2802: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2803:
2804: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2805: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2806: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2807:
2808:
2809: my $currenthidden=$contrib{'hidden'};
2810: my $currentstudenthidden=$contrib{'studenthidden'};
2811:
2812: my $crs='/'.$ENV{'request.course.id'};
2813: if ($ENV{'request.course.sec'}) {
2814: $crs.='_'.$ENV{'request.course.sec'};
2815: }
2816: $crs=~s/\_/\//g;
2817: my $seeid=&Apache::lonnet::allowed('rin',$crs);
2818:
2819: if ($ENV{'form.hide'}) {
2820: $currenthidden.='.'.$idx.'.';
2821: unless ($seeid) {
2822: $currentstudenthidden.='.'.$idx.'.';
2823: }
2824: } else {
2825: $currenthidden=~s/\.$idx\.//g;
2826: }
2827: my %newhash=('hidden' => $currenthidden);
2828: if ( ($ENV{'form.hide'}) && (!$seeid) ) {
2829: $newhash{'studenthidden'} = $currentstudenthidden;
2830: }
2831:
2832: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
2833: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2834: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2835:
2836: &redirect_back($r,&Apache::lonnet::clutter($url),
2837: &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});
2838: } elsif (($ENV{'form.threadedon'}) || ($ENV{'form.threadedoff'})) {
2839: &Apache::loncommon::content_type($r,'text/html');
2840: $r->send_http_header;
2841: if ($ENV{'form.threadedon'}) {
2842: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
2843: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
2844: } else {
2845: &Apache::lonnet::del('environment',['threadeddiscussion']);
2846: &Apache::lonnet::delenv('environment\.threadeddiscussion');
2847: }
2848: my $symb=$ENV{'form.threadedon'}?$ENV{'form.threadedon'}:$ENV{'form.threadedoff'};
2849: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2850: &redirect_back($r,&Apache::lonnet::clutter($url),
2851: &mt('Changed discussion view mode').'<br />','0','0','',$ENV{'form.previous'});
2852: } elsif ($ENV{'form.deldisc'}) {
2853: # --------------------------------------------------------------- Hide for good
2854: &Apache::loncommon::content_type($r,'text/html');
2855: $r->send_http_header;
2856:
2857: my $entry=$ENV{'form.deldisc'};
2858:
2859: my ($symb,$idx)=split(/\:\:\:/,$entry);
2860: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2861:
2862: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2863: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2864: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2865:
2866:
2867: my $currentdeleted=$contrib{'deleted'};
2868:
2869: $currentdeleted.='.'.$idx.'.';
2870:
2871: my %newhash=('deleted' => $currentdeleted);
2872:
2873: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
2874: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2875: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2876:
2877: &redirect_back($r,&Apache::lonnet::clutter($url),
2878: &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});
2879: } elsif ($ENV{'form.preview'}) {
2880: # -------------------------------------------------------- User wants a preview
2881: $r->content_type('text/html');
2882: $r->send_http_header;
2883: &show_preview($r);
2884: } elsif ($ENV{'form.attach'}) {
2885: # -------------------------------------------------------- Work on attachments
2886: &Apache::loncommon::content_type($r,'text/html');
2887: $r->send_http_header;
2888: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss']);
2889: my @currnewattach = ();
2890: my @currdelold = ();
2891: my @keepold = ();
2892: &process_attachments(\@currnewattach,\@currdelold,\@keepold);
2893: if (exists($ENV{'form.addnewattach.filename'})) {
2894: unless (length($ENV{'form.addnewattach'})>131072) {
2895: my $subdir = 'feedback/'.$ENV{'form.timestamp'};
2896: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
2897: push @currnewattach, $newattachment;
2898: }
2899: }
2900: my $attachmenturls = '';
2901: my $idx = $ENV{'form.idx'};
2902: my $symb = $ENV{'form.attach'};
2903: if ($idx) {
2904: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2905: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2906: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2907: $attachmenturls = $contrib{$idx.':attachmenturl'};
2908: }
2909: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,$attachmenturls);
2910: } elsif ($ENV{'form.chgreads'}) {
2911: &Apache::loncommon::content_type($r,'text/html');
2912: $r->send_http_header;
2913: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($ENV{'form.chgreads'});
2914: &redirect_back($r,&Apache::lonnet::clutter($url),
2915: &mt('Changed read status').'<br />','0','0');
2916: } else {
2917: # ------------------------------------------------------------- Normal feedback
2918: my $feedurl=$ENV{'form.postdata'};
2919: $feedurl=~s/^http\:\/\///;
2920: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
2921: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
2922: $feedurl=~s/\?.+$//;
2923:
2924: my $symb;
2925: if ($ENV{'form.replydisc'}) {
2926: $symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];
2927: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
2928: $feedurl=&Apache::lonnet::clutter($url);
2929: } elsif ($ENV{'form.editdisc'}) {
2930: $symb=(split(/\:\:\:/,$ENV{'form.editdisc'}))[0];
2931: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
2932: $feedurl=&Apache::lonnet::clutter($url);
2933: } elsif ($ENV{'form.origpage'}) {
2934: $symb="";
2935: } else {
2936: $symb=&Apache::lonnet::symbread($feedurl);
2937: }
2938: unless ($symb) {
2939: $symb=$ENV{'form.symb'};
2940: if ($symb) {
2941: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
2942: $feedurl=&Apache::lonnet::clutter($url);
2943: }
2944: }
2945: my $goahead=1;
2946: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {
2947: unless ($symb) { $goahead=0; }
2948: }
2949: # backward compatibility (bulletin boards used to be 'wrapped')
2950: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2951: $feedurl=~s|^/adm/wrapper||;
2952: }
2953: if ($goahead) {
2954: # Go ahead with feedback, no ambiguous reference
2955: &Apache::loncommon::content_type($r,'text/html');
2956: $r->send_http_header;
2957:
2958: if (
2959: (
2960: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
2961: )
2962: ||
2963: ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))
2964: ||
2965: ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
2966: ) {
2967: # --------------------------------------------------- Print login screen header
2968: unless ($ENV{'form.sendit'}) {
2969: my $options=&screen_header($feedurl);
2970: if ($options) {
2971: &mail_screen($r,$feedurl,$options);
2972: } else {
2973: &fail_redirect($r,$feedurl);
2974: }
2975: } else {
2976:
2977: # Get previous user input
2978: my $prevattempts=&Apache::loncommon::get_previous_attempt(
2979: $symb,$ENV{'user.name'},$ENV{'user.domain'},
2980: $ENV{'request.course.id'});
2981:
2982: # Get output from resource
2983: my $usersaw=&resource_output($feedurl);
2984:
2985: # Get resource answer (need to allow student to view grades for this to work)
2986: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
2987: my $useranswer=&Apache::loncommon::get_student_answers(
2988: $symb,$ENV{'user.name'},$ENV{'user.domain'},
2989: $ENV{'request.course.id'});
2990: &Apache::lonnet::delenv('allowed.vgr');
2991: # Get attachments, if any, and not too large
2992: my $attachmenturl='';
2993: if (($ENV{'form.origpage'}) || ($ENV{'form.editdisc'}) || ($ENV{'form.replydisc'})) {
2994: my ($symb,$idx);
2995: if ($ENV{'form.replydisc'}) {
2996: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
2997: } elsif ($ENV{'form.editdisc'}) {
2998: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});
2999: } elsif ($ENV{'form.origpage'}) {
3000: $symb = $ENV{'form.symb'};
3001: }
3002: my @currnewattach = ();
3003: my @deloldattach = ();
3004: my @keepold = ();
3005: &process_attachments(\@currnewattach,\@deloldattach,\@keepold);
3006: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|;
3007: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
3008: } elsif ($ENV{'form.attachment.filename'}) {
3009: unless (length($ENV{'form.attachment'})>131072) {
3010: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
3011: }
3012: }
3013: # Filter HTML out of message (could be nasty)
3014: my $message=&clear_out_html($ENV{'form.comment'});
3015:
3016: # Assemble email
3017: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
3018: $usersaw,$useranswer);
3019:
3020: # Who gets this?
3021: my ($typestyle,%to) = &decide_receiver($feedurl);
3022:
3023: # Actually send mail
3024: my ($status,$numsent)=&send_msg($feedurl,$email,$citations,
3025: $attachmenturl,%to);
3026:
3027: # Discussion? Store that.
3028:
3029: my $numpost=0;
3030: if ($ENV{'form.discuss'}) {
3031: my $subject = &clear_out_html($ENV{'form.subject'});
3032: $typestyle.=&adddiscuss($symb,$message,0,$attachmenturl,$subject);
3033: $numpost++;
3034: }
3035:
3036: if ($ENV{'form.anondiscuss'}) {
3037: my $subject = &clear_out_html($ENV{'form.subject'});
3038: $typestyle.=&adddiscuss($symb,$message,1,$attachmenturl,$subject);
3039: $numpost++;
3040: }
3041:
3042:
3043: # Receipt screen and redirect back to where came from
3044: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$ENV{'form.previous'});
3045:
3046: }
3047: } else {
3048: # Unable to give feedback
3049: &no_redirect_back($r,$feedurl);
3050: }
3051: } else {
3052: # Ambiguous Problem Resource
3053: if ( &Apache::lonnet::mod_perl_version() == 2 ) {
3054: &Apache::lonnet::cleanenv();
3055: }
3056: $r->internal_redirect('/adm/ambiguous');
3057: }
3058: }
3059: return OK;
3060: }
3061:
3062: 1;
3063: __END__
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