1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.105 2004/07/24 18:13:04 www 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:
40: sub discussion_open {
41: my ($status)=@_;
42: if (defined($status) &&
43: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
44: || $status eq 'OPEN')) {
45: return 0;
46: }
47: my $close=&Apache::lonnet::EXT('resource.0.discussend');
48: if (defined($close) && $close ne '' && $close < time) {
49: return 0;
50: }
51: return 1;
52: }
53:
54: sub discussion_visible {
55: my ($status)=@_;
56: if (not &discussion_open($status)) {
57: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
58: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
59: return 0;
60: }
61: }
62: return 1;
63: }
64:
65: sub list_discussion {
66: my ($mode,$status,$symb)=@_;
67:
68: my $outputtarget=$ENV{'form.grade_target'};
69: if (not &discussion_visible($status)) { return ''; }
70: my @bgcols = ("#cccccc","#eeeeee");
71: my $discussiononly=0;
72: if ($mode eq 'board') { $discussiononly=1; }
73: unless ($ENV{'request.course.id'}) { return ''; }
74: my $crs='/'.$ENV{'request.course.id'};
75: my $cid=$ENV{'request.course.id'};
76: if ($ENV{'request.course.sec'}) {
77: $crs.='_'.$ENV{'request.course.sec'};
78: }
79: $crs=~s/\_/\//g;
80: unless ($symb) {
81: $symb=&Apache::lonnet::symbread();
82: }
83: unless ($symb) { return ''; }
84: my %usernamesort = ();
85: my %namesort =();
86: my %subjectsort = ();
87: # backward compatibility (bulletin boards used to be 'wrapped')
88: my $ressymb=$symb;
89: if ($mode eq 'board') {
90: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
91: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
92: }
93: }
94:
95: # Get discussion display settings for this discussion
96: my $lastkey = $ressymb.'_lastread';
97: my $showkey = $ressymb.'_showonlyunread';
98: my $visitkey = $ressymb.'_visit';
99: my $ondispkey = $ressymb.'_markondisp';
100: my $userpickkey = $ressymb.'_userpick';
101: my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$visitkey,$ondispkey,$userpickkey],$ENV{'user.domain'},$ENV{'user.name'});
102: my %discinfo = ();
103: my $showonlyunread = 0;
104: my $markondisp = 0;
105: my $prevread = 0;
106: my $previous = 0;
107: my $visit = 0;
108: my $newpostsflag = 0;
109: my @posters = split/\&/,$dischash{$userpickkey};
110:
111: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
112: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']);
113: my $sortposts = $ENV{'form.sortposts'};
114: my $rolefilter = $ENV{'form.rolefilter'};
115: my $statusfilter = $ENV{'form.statusfilter'};
116: my $sectionpick = $ENV{'form.sectionpick'};
117: my $totposters = $ENV{'form.totposters'};
118: $previous = $ENV{'form.previous'};
119: if ($previous > 0) {
120: $prevread = $previous;
121: } elsif (defined($dischash{$lastkey})) {
122: unless ($dischash{$lastkey} eq '') {
123: $prevread = $dischash{$lastkey};
124: }
125: }
126:
127: # Get information about students and non-stundents in course for filtering display of posts
128: my %roleshash = ();
129: my %roleinfo = ();
130: if ($rolefilter) {
131: %roleshash = &Apache::lonnet::dump('nohist_userroles',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
132: foreach (keys %roleshash) {
133: my ($role,$uname,$udom,$sec) = split/:/,$_;
134: my ($end,$start) = split/:/,$roleshash{$_};
135: my $now = time;
136: my $status = 'Active';
137: if (($now < $start) || ($end > 0 && $now > $end)) {
138: $status = 'Expired';
139: }
140: push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status;
141: }
142: my ($classlist) = &Apache::loncoursedata::get_classlist(
143: $ENV{'request.course.id'},
144: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
145: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
146: my $sec_index = &Apache::loncoursedata::CL_SECTION();
147: my $status_index = &Apache::loncoursedata::CL_STATUS();
148: while (my ($student,$data) = each %$classlist) {
149: my ($section,$status) = ($data->[$sec_index],
150: $data->[$status_index]);
151: push @{$roleinfo{$student}}, 'st:'.$section.':'.$status;
152: }
153: }
154:
155: # Get discussion display default settings for user
156: my %userenv = &Apache::lonnet::get('environment',['discdisplay','discmarkread'],$ENV{'user.domain'},$ENV{'user.name'});
157: my $discdisplay=$userenv{'discdisplay'};
158: if ($discdisplay eq 'unread') {
159: $showonlyunread = 1;
160: }
161: my $discmarkread=$userenv{'discmarkread'};
162: if ($discmarkread eq 'ondisp') {
163: $markondisp = 1;
164: }
165:
166: # Override user's default if user specified display setting for this discussion
167: if (defined($dischash{$ondispkey})) {
168: $markondisp = $dischash{$ondispkey};
169: }
170: if ($markondisp) {
171: $discinfo{$lastkey} = time;
172: }
173:
174: if (defined($dischash{$showkey})) {
175: $showonlyunread = $dischash{$showkey};
176: }
177:
178: if (defined($dischash{$visitkey})) {
179: $visit = $dischash{$visitkey};
180: }
181: $visit ++;
182:
183: my $seeid=&Apache::lonnet::allowed('rin',$crs);
184: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
185: && ($symb=~/\.(problem|exam|quiz|assess|survey|form)$/));
186: my @discussionitems=();
187: my %shown = ();
188: my @posteridentity=();
189: my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
190: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
191: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
192: my $visible=0;
193: my @depth=();
194: my @original=();
195: my @index=();
196: my @replies=();
197: my %alldiscussion=();
198: my %notshown = ();
199: my %newitem = ();
200: my $maxdepth=0;
201:
202: my $target='';
203: unless ($ENV{'browser.interface'} eq 'textual' ||
204: $ENV{'environment.remote'} eq 'off' ) {
205: $target='target="LONcom"';
206: }
207:
208: my $now = time;
209: $discinfo{$visitkey} = $visit;
210:
211: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
212:
213: if ($contrib{'version'}) {
214: my $oldest = $contrib{'1:timestamp'};
215: if ($prevread eq '0') {
216: $prevread = $oldest-1;
217: }
218: for (my $id=1;$id<=$contrib{'version'};$id++) {
219: my $idx=$id;
220: my $posttime = $contrib{$idx.':timestamp'};
221: if ($prevread <= $posttime) {
222: $newpostsflag = 1;
223: }
224: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
225: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
226: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
227: my $origindex='0.';
228: my $numoldver=0;
229: if ($contrib{$idx.':replyto'}) {
230: if ( (($ENV{'environment.threadeddiscussion'}) && (($sortposts eq '') || ($sortposts eq 'ascdate'))) || ($sortposts eq 'thread')) {
231: # this is a follow-up message
232: $original[$idx]=$original[$contrib{$idx.':replyto'}];
233: $depth[$idx]=$depth[$contrib{$idx.':replyto'}]+1;
234: $origindex=$index[$contrib{$idx.':replyto'}];
235: if ($depth[$idx]>$maxdepth) { $maxdepth=$depth[$idx]; }
236: } else {
237: $original[$idx]=0;
238: $depth[$idx]=0;
239: }
240: } else {
241: # this is an original message
242: $original[$idx]=0;
243: $depth[$idx]=0;
244: }
245: if ($replies[$depth[$idx]]) {
246: $replies[$depth[$idx]]++;
247: } else {
248: $replies[$depth[$idx]]=1;
249: }
250: unless ((($hidden) && (!$seeid)) || ($deleted)) {
251: $visible++;
252: if ($contrib{$idx.':history'}) {
253: if ($contrib{$idx.':history'} =~ /:/) {
254: my @oldversions = split/:/,$contrib{$idx.':history'};
255: $numoldver = @oldversions;
256: } else {
257: $numoldver = 1;
258: }
259: }
260: my $message=$contrib{$idx.':message'};
261: $message=~s/\n/\<br \/\>/g;
262: $message=&Apache::lontexconvert::msgtexconverted($message,undef,$numoldver);
263: my $subject=$contrib{$idx.':subject'};
264: if (defined($subject)) {
265: $subject=~s/\n/\<br \/\>/g;
266: $subject=&Apache::lontexconvert::msgtexconverted($subject,undef,$numoldver);
267: }
268: if ($contrib{$idx.':attachmenturl'}) {
269: my ($fname)
270: =($contrib{$idx.':attachmenturl'}=~m|/([^/]+)$|);
271: &Apache::lonnet::allowuploaded('/adm/feedback',
272: $contrib{$idx.':attachmenturl'});
273: $message.='<p>'.&mt('Attachment').
274: ': <a href="'.$contrib{$idx.':attachmenturl'}.'"><tt>'.
275: $fname.'</tt></a></p>';
276: }
277: if ($message) {
278: if ($hidden) {
279: $message='<font color="#888888">'.$message.'</font>';
280: if ($studenthidden) {
281: $message .='<br /><br />Deleted by poster (student).';
282: }
283: }
284: my $screenname=&Apache::loncommon::screenname(
285: $contrib{$idx.':sendername'},
286: $contrib{$idx.':senderdomain'});
287: my $plainname=&Apache::loncommon::nickname(
288: $contrib{$idx.':sendername'},
289: $contrib{$idx.':senderdomain'});
290:
291: my $sender=&mt('Anonymous');
292: # Set up for sorting by subject
293: if ($contrib{$idx.':subject'} eq '') {
294: if (defined($subjectsort{'__No subject'})) {
295: push @{$subjectsort{'__No subject'}}, $idx;
296: } else {
297: @{$subjectsort{'__No subject'}} = ("$idx");
298: }
299: } else {
300: if (defined($subjectsort{$contrib{$idx.':subject'}})) {
301: push @{$subjectsort{$contrib{$idx.':subject'}}}, $idx;
302: } else {
303: @{$subjectsort{$contrib{$idx.':subject'}}} = ("$idx");
304: }
305: }
306: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
307: $sender=&Apache::loncommon::aboutmewrapper(
308: $plainname,
309: $contrib{$idx.':sendername'},
310: $contrib{$idx.':senderdomain'}).' ('.
311: $contrib{$idx.':sendername'}.' at '.
312: $contrib{$idx.':senderdomain'}.')';
313: if ($contrib{$idx.':anonymous'}) {
314: $sender.=' ['.&mt('anonymous').'] '.
315: $screenname;
316: }
317: # Set up for sorting by domain, then username
318: unless (defined($usernamesort{$contrib{$idx.':senderdomain'}})) {
319: %{$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
320: }
321: if (defined($usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
322: push @{$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx;
323: } else {
324: @{$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
325: }
326: # Set up for sorting by last name, then first name
327: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],
328: $contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
329: my $lastname = $names{'lastname'};
330: my $firstname = $names{'firstname'};
331: if ($lastname eq '') {
332: $lastname = '_';
333: }
334: if ($firstname eq '') {
335: $firstname = '_';
336: }
337: unless (defined($namesort{$lastname})) {
338: %{$namesort{$lastname}} = ();
339: }
340: if (defined($namesort{$lastname}{$firstname})) {
341: push @{$namesort{$lastname}{$firstname}}, $idx;
342: } else {
343: @{$namesort{$lastname}{$firstname}} = ("$idx");
344: }
345: if ($ENV{"course.$cid.allow_discussion_post_editing"} =~ m/yes/i) {
346: if (($ENV{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($ENV{'user.name'} eq $contrib{$idx.':sendername'})) {
347: $sender.=' <a href="/adm/feedback?editdisc='.
348: $ressymb.':::'.$idx;
349: if ($newpostsflag) {
350: $sender .= '&previous='.$prevread;
351: }
352: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; unless ($seeid) {
353: $sender.=" <a href=\"javascript:studentdelete('$ressymb','$idx','$newpostsflag','$prevread')";
354: $sender .= '">'.&mt('Delete').'</a>';
355: }
356: }
357: }
358: if ($seeid) {
359: if ($hidden) {
360: unless ($studenthidden) {
361: $sender.=' <a href="/adm/feedback?unhide='.
362: $ressymb.':::'.$idx;
363: if ($newpostsflag) {
364: $sender .= '&previous='.$prevread;
365: }
366: $sender .= '">'.&mt('Make Visible').'</a>';
367: }
368: } else {
369: $sender.=' <a href="/adm/feedback?hide='.
370: $ressymb.':::'.$idx;
371: if ($newpostsflag) {
372: $sender .= '&previous='.$prevread;
373: }
374: $sender .= '">'.&mt('Hide').'</a>';
375: }
376: $sender.=' <a href="/adm/feedback?deldisc='.
377: $ressymb.':::'.$idx;
378: if ($newpostsflag) {
379: $sender .= '&previous='.$prevread;
380: }
381: $sender .= '">'.&mt('Delete').'</a>';
382: }
383: } else {
384: if ($screenname) {
385: $sender='<i>'.$screenname.'</i>';
386: }
387: # Set up for sorting by domain, then username for anonymous
388: unless (defined($usernamesort{'__anon'})) {
389: %{$usernamesort{'__anon'}} = ();
390: }
391: if (defined($usernamesort{'__anon'}{'__anon'})) {
392: push @{$usernamesort{'__anon'}{'__anon'}}, $idx;
393: } else {
394: @{$usernamesort{'__anon'}{'__anon'}} = ("$idx");
395: }
396: # Set up for sorting by last name, then first name for anonymous
397: unless (defined($namesort{'__anon'})) {
398: %{$namesort{'__anon'}} = ();
399: }
400: if (defined($namesort{'__anon'}{'__anon'})) {
401: push @{$namesort{'__anon'}{'__anon'}}, $idx;
402: } else {
403: @{$namesort{'__anon'}{'__anon'}} = ("$idx");
404: }
405: }
406: if (&discussion_open($status) &&
407: &Apache::lonnet::allowed('pch',
408: $ENV{'request.course.id'}.
409: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
410: $sender.=' <a href="/adm/feedback?replydisc='.
411: $ressymb.':::'.$idx;
412: if ($newpostsflag) {
413: $sender .= '&previous='.$prevread;
414: }
415: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
416: }
417: my $vgrlink;
418: if ($viewgrades) {
419: $vgrlink=&Apache::loncommon::submlink('Submissions',
420: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$symb);
421: }
422: #figure out at what position this needs to print
423: my $thisindex=$idx;
424: if ( (($ENV{'environment.threadeddiscussion'}) && (($sortposts eq '') || ($sortposts eq 'ascdate'))) || ($sortposts eq 'thread')) {
425: $thisindex=$origindex.substr('00'.$replies[$depth[$idx]],-2,2);
426: }
427: $alldiscussion{$thisindex}=$idx;
428: $shown{$idx} = 0;
429: $index[$idx]=$thisindex;
430: my $spansize = 2;
431: if ($showonlyunread && $prevread > $posttime) {
432: $notshown{$idx} = 1;
433: } else {
434: my $uname = $contrib{$idx.':sendername'};
435: my $udom = $contrib{$idx.':senderdomain'};
436: my $poster = $uname.':'.$udom;
437: my $rolematch = '';
438: my $skiptest = 1;
439: if ($totposters > 0) {
440: if (grep/^$poster$/,@posters) {
441: $shown{$idx} = 1;
442: }
443: } else {
444: if ($rolefilter) {
445: if ($rolefilter eq 'all') {
446: $rolematch = '([^:]+)';
447: } else {
448: $rolematch = $rolefilter;
449: $skiptest = 0;
450: }
451: }
452: if ($sectionpick) {
453: if ($sectionpick eq 'all') {
454: $rolematch .= ':([^:]*)';
455: } else {
456: $rolematch .= ':'.$sectionpick;
457: $skiptest = 0;
458: }
459: }
460: if ($statusfilter) {
461: if ($statusfilter eq 'all') {
462: $rolematch .= ':([^:]+)';
463: } else {
464: $rolematch .= ':'.$statusfilter;
465: $skiptest = 0;
466: }
467: }
468: if ($skiptest) {
469: $shown{$idx} = 1;
470: } else {
471: foreach my $role (@{$roleinfo{$poster}}) {
472: if ($role =~ m/^$rolematch$/) {
473: $shown{$idx} = 1;
474: last;
475: }
476: }
477: }
478: }
479: }
480: unless ($notshown{$idx} == 1) {
481: if ($prevread > 0 && $prevread <= $posttime) {
482: $newitem{$idx} = 1;
483: $discussionitems[$idx] .= '
484: <p><table border="0" width="100%">
485: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
486: } else {
487: $newitem{$idx} = 0;
488: $discussionitems[$idx] .= '
489: <p><table border="0" width="100%">
490: <tr><td align="left"> </td>';
491: }
492: $discussionitems[$idx] .= '<td align ="left"> '.
493: '<b>'.$subject.'</b> '.
494: $sender.'</b> '.$vgrlink.' ('.
495: localtime($posttime).')</td></tr>'.
496: '</table><blockquote>'.$message.'</blockquote></p>';
497: if ($contrib{$idx.':history'}) {
498: my @postversions = ();
499: $discussionitems[$idx] .= '<br />'.&mt('This post has been edited by the author.').'<br/>'.&mt('Earlier version(s) were posted on: ');
500: if ($contrib{$idx.':history'} =~ m/:/) {
501: @postversions = split/:/,$contrib{$idx.':history'};
502: } else {
503: @postversions = ("$contrib{$idx.':history'}");
504: }
505: for (my $i=0; $i<@postversions; $i++) {
506: my $version = $i+1;
507: $discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
508: }
509: $discussionitems[$idx] .= '<br />';
510: }
511: }
512: }
513: }
514: }
515: }
516:
517: my $discussion='';
518:
519: my $function = &Apache::loncommon::get_users_function();
520: my $color = &Apache::loncommon::designparm($function.'.tabbg',
521: $ENV{'user.domain'});
522: my %lt = &Apache::lonlocal::texthash(
523: 'cuse' => 'Current discussion settings',
524: 'allposts' => 'All posts',
525: 'unread' => 'New posts only',
526: 'ondisp' => 'Once displayed',
527: 'onmark' => 'Once marked read',
528: 'disa' => 'Posts to be displayed',
529: 'npce' => 'Posts cease to be marked "NEW"',
530: 'chgt' => 'Change',
531: 'disp' => 'Display',
532: 'nolo' => 'Not new',
533: );
534:
535: my $currdisp = $lt{'allposts'};
536: my $currmark = $lt{'onmark'};
537: my $dispchange = $lt{'unread'};
538: my $markchange = $lt{'ondisp'};
539: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
540: my $displink = 'onlyunread';
541: my $marklink = 'markondisp';
542:
543: if ($markondisp) {
544: $currmark = $lt{'ondisp'};
545: $markchange = $lt{'onmark'};
546: $marklink = 'markonread';
547: }
548:
549: if ($showonlyunread) {
550: $currdisp = $lt{'unread'};
551: $dispchange = $lt{'allposts'};
552: $displink = 'allposts';
553: }
554:
555: $chglink .= '&changes='.$displink.'_'.$marklink;
556:
557: if ($newpostsflag) {
558: $chglink .= '&previous='.$prevread;
559: }
560:
561: if ($visible) {
562: # Print the discusssion
563: if ($outputtarget ne 'tex') {
564: my $colspan=$maxdepth+1;
565: $discussion.= qq|
566: <script>
567: function studentdelete (symb,idx,newflag,previous) {
568: var symbparm = symb+':::'+idx
569: var prevparm = ""
570: if (newflag == 1) {
571: prevparm = "&previous="+previous
572: }
573: 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")) {
574: document.location.href = "/adm/feedback?hide="+symbparm+prevparm
575: }
576: }
577: </script>
578: |;
579: $discussion.='<table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
580: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
581: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
582: if ($visible>2) {
583: $discussion.='<td align="left">'.
584: '<a href="/adm/feedback?threadedon='.$ressymb;
585: if ($newpostsflag) {
586: $discussion .= '&previous='.$prevread;
587: }
588: $discussion .='">'.&mt('Threaded View').'</a> '.
589: '<a href="/adm/feedback?threadedoff='.$ressymb;
590: if ($newpostsflag) {
591: $discussion .= '&previous='.$prevread;
592: }
593: $discussion .='">'.&mt('Chronological View').'</a>
594: <a href= "/adm/feedback?sortfilter='.$ressymb;
595: if ($newpostsflag) {
596: $discussion .= '&previous='.$prevread;
597: }
598: $discussion .='">'.&mt('Sorting/Filtering options').'</a>  ';
599: } else {
600: $discussion .= '<td align="left">';
601: }
602: $discussion .='<a href= "/adm/feedback?export='.$ressymb;
603: if ($newpostsflag) {
604: $discussion .= '&previous='.$prevread;
605: }
606: $discussion .= '">'.&mt('Export').'?</a> </td>';
607: if ($newpostsflag) {
608: if (!$markondisp) {
609: $discussion .='<td align="right"><a href="/adm/feedback?markread='.$ressymb.'">'.&mt('Mark new posts as read').'</a> ';
610: } else {
611: $discussion .= '<td> </td>';
612: }
613: } else {
614: $discussion .= '<td> </td>';
615: }
616: $discussion .= '</tr></table></td></tr>';
617: } else {
618: $discussion.='\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
619: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
620: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
621: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
622: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}';
623: }
624: my $numhidden = keys %notshown;
625: if ($numhidden > 0) {
626: my $colspan = $maxdepth+1;
627: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
628: '<a href="/adm/feedback?allposts='.$ressymb;
629: if ($newpostsflag) {
630: $discussion .= '&previous='.$prevread;
631: }
632: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
633: $numhidden.' '.&mt('previously viewed posts').
634: '<br/></td></tr>';
635: }
636:
637: # Choose sort mechanism
638: my @showposts = ();
639: if ($sortposts eq 'descdate') {
640: @showposts = (sort { $b <=> $a } keys %alldiscussion);
641: } elsif ($sortposts eq 'thread') {
642: @showposts = (sort { $a <=> $b } keys %alldiscussion);
643: } elsif ($sortposts eq 'subject') {
644: foreach (sort keys %subjectsort) {
645: push @showposts, @{$subjectsort{$_}};
646: }
647: } elsif ($sortposts eq 'username') {
648: foreach my $domain (sort keys %usernamesort) {
649: foreach (sort keys %{$usernamesort{$domain}}) {
650: push @showposts, @{$usernamesort{$domain}{$_}};
651: }
652: }
653: } elsif ($sortposts eq 'lastfirst') {
654: foreach my $last (sort keys %namesort) {
655: foreach (sort keys %{$namesort{$last}}) {
656: push @showposts, @{$namesort{$last}{$_}};
657: }
658: }
659: } else {
660: $sortposts = 'ascdate';
661: @showposts = (sort { $a <=> $b } keys %alldiscussion);
662: }
663: foreach (@showposts) {
664: unless (($sortposts eq 'thread') || ($sortposts eq 'ascdate' && $ENV{'environment.threadeddiscussion'})) {
665: $alldiscussion{$_} = $_;
666: }
667: unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) {
668: if ($outputtarget ne 'tex') {
669: $discussion.="\n<tr>";
670: } else {
671: $discussion.='\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}';
672: }
673: my $thisdepth=$depth[$alldiscussion{$_}];
674: if ($outputtarget ne 'tex') {
675: for (1..$thisdepth) {
676: $discussion.='<td> </td>';
677: }
678: }
679: my $colspan=$maxdepth-$thisdepth+1;
680: if ($outputtarget ne 'tex') {
681: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}].'" colspan="'.$colspan.'">'.
682: $discussionitems[$alldiscussion{$_}].
683: '</td></tr>';
684: } else {
685: #cleanup block
686: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
687: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
688: my $threadinsert='';
689: if ($thisdepth > 0) {
690: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
691: }
692: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
693: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g;
694: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
695:
696: #FIXME xmlparse can't be safely called from inside xmlparse
697: # due to the global variables that are use, the safe
698: # space etc. I expect this has unforseen issues that
699: # need resolving.
700:
701: $discussion.=&Apache::lonxml::xmlparse('','tex',$discussionitems[$alldiscussion{$_}]);
702: }
703: }
704: }
705: if ($outputtarget ne 'tex') {
706: my $colspan=$maxdepth+1;
707: $discussion .= <<END;
708: <tr bgcolor="#FFFFFF">
709: <td colspan="$colspan" valign="top">
710: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
711: <tr>
712: <td align="left">
713: <table border="0" cellpadding="0" cellspacing="4">
714: <tr>
715: <td>
716: <font size="-1"><b>$lt{'cuse'}</b>:</td>
717: <td> </td>
718: END
719: if ($newpostsflag) {
720: $discussion .=
721: '<td><font size="-1">1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i></font></td>';
722: } else {
723: $discussion .=
724: '<td><font size="-1">'.$lt{'disp'}.' - <i>'.$currdisp.'</i></font></td>';
725: }
726: $discussion .= <<END;
727: <td> </td>
728: <td>
729: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b></td>
730: </tr>
731: </table>
732: </td>
733: </tr>
734: </table>
735: </td>
736: </tr>
737: </table>
738: <br /><br />
739: END
740: }
741: }
742: if ($discussiononly) {
743: $discussion.=(<<ENDDISCUSS);
744: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
745: <input type="submit" name="discuss" value="Post Discussion" />
746: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
747: <input type="hidden" name="symb" value="$ressymb" />
748: <input type="hidden" name="sendit" value="true" />
749: <br />
750: <font size="1">Note: in anonymous discussion, your name is visible only to
751: course faculty</font><br />
752: <b>Title:</b> <input type="text" name="subject" value="" size="30" /><br /><br />
753: <textarea name="comment" cols="80" rows="14" wrap="hard"></textarea>
754: <p>
755: Attachment (128 KB max size): <input type="file" name="attachment" />
756: </p>
757: </form>
758: ENDDISCUSS
759: if ($outputtarget ne 'tex') {
760: $discussion.=&generate_preview_button();
761: }
762: } else {
763: if (&discussion_open($status) &&
764: &Apache::lonnet::allowed('pch',
765: $ENV{'request.course.id'}.
766: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
767: if ($outputtarget ne 'tex') {
768: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='.
769: $symb.':::" '.$target.'>'.
770: '<img src="/adm/lonMisc/chat.gif" border="0" />'.
771: &mt('Post Discussion').'</a></td></tr></table>';
772: }
773: }
774: }
775: return $discussion;
776: }
777:
778: sub mail_screen {
779: my ($r,$feedurl,$options) = @_;
780: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion',
781: '','onLoad="window.focus();setposttype();"');
782: my $title=&Apache::lonnet::gettitle($feedurl);
783: if (!$title) { $title = $feedurl; }
784: my $quote='';
785: my $subject = '';
786: my $oldmessage = '';
787: my $prevtag = '';
788: my $parentmsg = '';
789: my $anonscript = (<<END);
790: function setposttype() {
791: return
792: }
793: END
794: if (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
795: my ($symb,$idx);
796: if ($ENV{'form.replydisc'}) {
797: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
798: } else {
799: ($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});
800: }
801: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
802: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
803: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
804: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
805: if ($ENV{'form.replydisc'}) {
806: my $numoldver = 0;
807: if ($contrib{$idx.':history'}) {
808: if ($contrib{$idx.':history'} =~ /:/) {
809: my @oldversions = split/:/,$contrib{$idx.':history'};
810: $numoldver = @oldversions;
811: } else {
812: $numoldver = 1;
813: }
814: }
815: my $message=$contrib{$idx.':message'};
816: $message=~s/\n/\<br \/\>/g;
817: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message,undef,$numoldver).'</blockquote>';
818: if ($idx > 0) {
819: if ($contrib{'subject'} =~ /::::\d+::::(.+)$/si) {
820: $subject = $1;
821: } else {
822: $subject = $contrib{$idx.':subject'};
823: }
824: $subject = 'Re: '.$subject;
825: }
826: } else {
827: if ($contrib{$idx.':message'} =~ /::::\d+::::(.+)$/si) {
828: $oldmessage = $1;
829: } else {
830: $oldmessage = $contrib{$idx.':message'};
831: }
832: $oldmessage=&HTML::Entities::encode($oldmessage,'<>&"');
833: if ($contrib{$idx.':subject'} =~ /::::\d+::::(.+)$/si) {
834: $subject = $1;
835: } else {
836: $subject = $contrib{$idx.':subject'};
837: }
838: if (defined($contrib{$idx.':replyto'})) {
839: $parentmsg = $contrib{$idx.':replyto'};
840: }
841: my $anonflag = 0;
842: if ($contrib{$idx.':anonymous'}) {
843: $anonflag = 1;
844: }
845: $anonscript = (<<END);
846: function setposttype () {
847: var currtype = $anonflag
848: if (currtype == 1) {
849: document.mailform.elements.discuss.checked = false
850: document.mailform.elements.anondiscuss.checked = true
851: }
852: if (currtype == 0) {
853: document.mailform.elements.anondiscuss.checked = false
854: document.mailform.elements.discuss.checked = true
855: }
856: return
857: }
858: END
859: }
860: }
861: if ($ENV{'form.previous'}) {
862: $prevtag = '<input type="hidden" name="previous" value="'.$ENV{'form.previous'}.'" />';
863: }
864: }
865: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
866: my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders();
867: my $send=&mt('Send');
868: $r->print(<<END);
869: <html>
870: <head>
871: <title>The LearningOnline Network with CAPA</title>
872: <meta http-equiv="pragma" content="no-cache"></meta>
873: $htmlheader
874: <script type="text/javascript">
875: //<!--
876: function gosubmit() {
877: var rec=0;
878: if (typeof(document.mailform.elements.author)!="undefined") {
879: if (document.mailform.elements.author.checked) {
880: rec=1;
881: }
882: }
883: if (typeof(document.mailform.elements.question)!="undefined") {
884: if (document.mailform.elements.question.checked) {
885: rec=1;
886: }
887: }
888: if (typeof(document.mailform.elements.course)!="undefined") {
889: if (document.mailform.elements.course.checked) {
890: rec=1;
891: }
892: }
893: if (typeof(document.mailform.elements.policy)!="undefined") {
894: if (document.mailform.elements.policy.checked) {
895: rec=1;
896: }
897: }
898: if (typeof(document.mailform.elements.discuss)!="undefined") {
899: if (document.mailform.elements.discuss.checked) {
900: rec=1;
901: }
902: }
903: if (typeof(document.mailform.elements.anondiscuss)!="undefined") {
904: if (document.mailform.elements.anondiscuss.checked) {
905: rec=1;
906: }
907: }
908:
909: if (rec) {
910: if (typeof(document.mailform.onsubmit)!='undefined') {
911: document.mailform.onsubmit();
912: }
913: document.mailform.submit();
914: } else {
915: alert('Please check a feedback type.');
916: }
917: }
918: $anonscript
919: //-->
920: </script>
921: </head>
922: $bodytag
923: <h2><tt>$title</tt></h2>
924: <form action="/adm/feedback" method="post" name="mailform"
925: enctype="multipart/form-data">
926: $prevtag
927: <input type="hidden" name="postdata" value="$feedurl" />
928: END
929: if ($ENV{'form.replydisc'}) {
930: $r->print(<<END);
931: <input type="hidden" name="replydisc" value="$ENV{'form.replydisc'}" />
932: END
933: } elsif ($ENV{'form.editdisc'}) {
934: $r->print(<<END);
935: <input type="hidden" name="editdisc" value ="$ENV{'form.editdisc'}" />
936: <input type="hidden" name="parentmsg" value ="$parentmsg" />
937: END
938: }
939: $r->print(<<ENDDOCUMENT);
940: Please check at least one of the following feedback types:
941: $options<hr />
942: $quote
943: <p>My question/comment/feedback:</p>
944: <p>
945: $latexHelp
946: Title: <input type="text" name="subject" size="30" value="$subject" /></p>
947: <p>
948: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$oldmessage
949: </textarea></p>
950: <p>
951: Attachment (128 KB max size): <input type="file" name="attachment" />
952: </p>
953: <p>
954: <input type="hidden" name="sendit" value="1" />
955: <input type="button" value="$send" onClick='gosubmit();' />
956: </p>
957: </form>
958: ENDDOCUMENT
959: $r->print(&generate_preview_button().
960: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
961: '</body></html>');
962: }
963:
964: sub print_display_options {
965: my ($r,$symb,$previous,$dispchg,$markchg,$feedurl) = @_;
966: # backward compatibility (bulletin boards used to be 'wrapped')
967: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
968: $feedurl=~s|^/adm/wrapper||;
969: }
970:
971: my $function = &Apache::loncommon::get_users_function();
972: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
973: $ENV{'user.domain'});
974: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
975: '','');
976:
977: my %lt = &Apache::lonlocal::texthash(
978: 'dido' => 'Discussion display options',
979: 'pref' => 'Display Preference',
980: 'curr' => 'Current setting ',
981: 'actn' => 'Action',
982: 'deff' => 'Default for all discussions',
983: 'prca' => 'Preferences can be set for this discussion that determine ....',
984: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
985: 'unwh' => 'Under what circumstances posts are identfied as "New."',
986: 'allposts' => 'All posts',
987: 'unread' => 'New posts only',
988: 'ondisp' => 'Once displayed',
989: 'onmark' => 'Once marked as read',
990: 'disa' => 'Posts displayed?',
991: 'npmr' => 'New posts cease to be identified as "New"?',
992: 'chgt' => 'Change to ',
993: 'mkdf' => 'Set to ',
994: 'yhni' => 'You have not indicated that you wish to change either of the discussion settings',
995: 'ywbr' => 'You will be returned to the previous page if you click OK.'
996: );
997:
998: my $dispchange = $lt{'unread'};
999: my $markchange = $lt{'ondisp'};
1000: my $currdisp = $lt{'allposts'};
1001: my $currmark = $lt{'onmark'};
1002: my $discdisp = 'allposts';
1003: my $discmark = 'onmark';
1004:
1005: if ($dispchg eq 'allposts') {
1006: $dispchange = $lt{'allposts'};
1007: $currdisp = $lt{'unread'};
1008: $discdisp = 'unread';
1009: }
1010:
1011: if ($markchg eq 'markonread') {
1012: $markchange = $lt{'onmark'};
1013: $currmark = $lt{'ondisp'};
1014: $discmark = 'ondisp';
1015: }
1016: $r->print(<<END);
1017: <html>
1018: <head>
1019: <title>$lt{'dido'}</title>
1020: <meta http-equiv="pragma" content="no-cache" />
1021: <script>
1022: function setDisp() {
1023: var prev = "$previous"
1024: var chktotal = 0
1025: if (document.modifydisp.discdisp.checked == true) {
1026: document.modifydisp.$dispchg.value = "$symb"
1027: chktotal ++
1028: }
1029: if (document.modifydisp.discmark.checked == true) {
1030: document.modifydisp.$markchg.value = "$symb"
1031: chktotal ++
1032: }
1033: if (chktotal > 0) {
1034: document.modifydisp.submit()
1035: } else {
1036: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
1037: if (prev > 0) {
1038: location.href = "$feedurl?previous=$previous"
1039: } else {
1040: location.href = "$feedurl"
1041: }
1042: }
1043: }
1044: }
1045: </script>
1046: </head>
1047: $bodytag
1048: <form name="modifydisp" method="post" action="/adm/feedback">
1049: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li></ol>
1050: <br />
1051: <table border="0" cellpadding="0" cellspacing="0">
1052: <tr>
1053: <td width="100%" bgcolor="#000000">
1054: <table width="100%" border="0" cellpadding="1" cellspacing="0">
1055: <tr>
1056: <td width="100%" bgcolor="#000000">
1057: <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
1058: <tr bgcolor="$tabcolor">
1059: <td><b>$lt{'pref'}</b></td>
1060: <td><b>$lt{'curr'}</b></td>
1061: <td><b>$lt{'actn'}?</b></td>
1062: </tr>
1063: <tr bgcolor="#dddddd">
1064: <td>$lt{'disa'}</td>
1065: <td>$lt{$discdisp}</td>
1066: <td><input type="checkbox" name="discdisp" /> $lt{'chgt'} "$dispchange"</td>
1067: </tr><tr bgcolor="#eeeeee">
1068: <td>$lt{'npmr'}</td>
1069: <td>$lt{$discmark}</td>
1070: <td><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</td>
1071: </tr>
1072: </table>
1073: </td>
1074: </tr>
1075: </table>
1076: </td>
1077: </tr>
1078: </table>
1079: <br />
1080: <br />
1081: <input type="hidden" name="previous" value="$previous" />
1082: <input type="hidden" name="$dispchg" value=""/>
1083: <input type="hidden" name="$markchg" value=""/>
1084: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
1085: <br />
1086: <br />
1087: </form>
1088: </body>
1089: </html>
1090: END
1091: return;
1092: }
1093:
1094: sub print_sortfilter_options {
1095: my ($r,$symb,$previous,$feedurl) = @_;
1096: # backward compatibility (bulletin boards used to be 'wrapped')
1097: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1098: $feedurl=~s|^/adm/wrapper||;
1099: }
1100: my @sections = ();
1101: my $section_sel = '';
1102: my $numsections = 0;
1103: my $numvisible = 5;
1104: my ($classlist) = &Apache::loncoursedata::get_classlist(
1105: $ENV{'request.course.id'},
1106: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1107: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1108:
1109: my $sec_index = &Apache::loncoursedata::CL_SECTION();
1110: my $status_index = &Apache::loncoursedata::CL_STATUS();
1111: my %sectioncount = ();
1112: while (my ($student,$data) = each %$classlist) {
1113: my ($section,$status) = ($data->[$sec_index],
1114: $data->[$status_index]);
1115: unless ($section eq '' || $section =~ /^\s*$/) {
1116: if (!defined($sectioncount{$section})) {
1117: $sectioncount{$section} = 1;
1118: $numsections ++;
1119: } else {
1120: $sectioncount{$section} ++;
1121: }
1122: }
1123: }
1124:
1125: if ($ENV{'request.course.sec'} !~ /^\s*$/) {
1126: @sections = ($ENV{'request.course.sec'});
1127: $numvisible = 1;
1128: } else {
1129: @sections = sort {$a cmp $b} keys(%sectioncount);
1130: unshift(@sections,'all'); # Put 'all' at the front of the list
1131: if ($numsections < 4) {
1132: $numvisible = $numsections + 1;
1133: }
1134: }
1135: foreach (@sections) {
1136: $section_sel .= " <option value=\"$_\" />$_\n";
1137: }
1138:
1139: my $function = &Apache::loncommon::get_users_function();
1140: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
1141: $ENV{'user.domain'});
1142: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1143: '','');
1144: my %lt = &Apache::lonlocal::texthash(
1145: 'diso' => 'Discussion sorting and filtering options',
1146: 'diop' => 'Display Options',
1147: 'curr' => 'Current setting ',
1148: 'actn' => 'Action',
1149: 'prca' => 'Options can be set that control the sort order of the posts, in addition to which posts are displayed.',
1150: 'soor' => 'Sort order',
1151: 'disp' => 'Specific user roles',
1152: 'actv' => 'Specific role status',
1153: 'spse' => 'Specific sections',
1154: 'psub' => 'Pick specific users (by name)',
1155: 'shal' => 'Show a list of current posters'
1156: );
1157: $r->print(<<END);
1158: <html>
1159: <head>
1160: <title>$lt{'diso'}</title>
1161: <meta http-equiv="pragma" content="no-cache" />
1162: </head>
1163: $bodytag
1164: <form name="modifyshown" method="post" action="/adm/feedback">
1165: <b>$lt{'diso'}</b><br/> $lt{'prca'}
1166: <br /><br />
1167: <table border="0">
1168: <tr>
1169: <td><b>$lt{'soor'}</b></td>
1170: <td> </td>
1171: <td><b>$lt{'disp'}</b></td>
1172: <td> </td>
1173: <td><b>$lt{'actv'}</b></td>
1174: <td> </td>
1175: <td><b>$lt{'spse'}</b></td>
1176: <td> </td>
1177: <td><b>$lt{'psub'}</b></td>
1178: </tr>
1179: <tr>
1180: <td>
1181: <select name="sortposts">
1182: <option value="ascdate" />Date order - oldest first
1183: <option value="descdate" />Date order - newest first
1184: <option value="thread" />Threaded
1185: <option value="subject" />By subject
1186: <option value="username" />By domain and username
1187: <option value="lastfirst" />By last name, first name
1188: </select>
1189: </td>
1190: <td> </td>
1191: <td>
1192: <select name="rolefilter" multiple="true" size="5">
1193: <option value="all" />All users
1194: <option value="st" />Students
1195: <option value="cc" />Course Coordinators
1196: <option value="in" />Instructors
1197: <option value="ta" />TAs
1198: <option value="pr" />Exam proctors
1199: <option value="cr" />Custom roles
1200: </select>
1201: </td>
1202: <td> </td>
1203: <td>
1204: <select name="statusfilter">
1205: <option value="all" />Roles of any status
1206: <option value="Active" />Only active roles
1207: <option value="Expired" />Only inactive roles
1208: </select>
1209: </td>
1210: <td> </td>
1211: <td>
1212: <select name="sectionpick" multiple="true" size="$numvisible">
1213: $section_sel
1214: </select>
1215: </td>
1216: <td> </td>
1217: <td><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</td>
1218: </tr>
1219: </table>
1220: <br />
1221: <br />
1222: <input type="hidden" name="previous" value="$previous" />
1223: <input type="hidden" name="applysort" value="$symb" />
1224: <input type="button" name="sub" value="Store Changes" onClick="javascript:document.modifyshown.submit()" />
1225: <br />
1226: <br />
1227: </form>
1228: </body>
1229: </html>
1230: END
1231: }
1232:
1233: sub print_showposters {
1234: my ($r,$symb,$previous,$feedurl,$sortposts) = @_;
1235: # backward compatibility (bulletin boards used to be 'wrapped')
1236: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1237: $feedurl=~s|^/adm/wrapper||;
1238: }
1239: # backward compatibility (bulletin boards used to be 'wrapped')
1240: my $ressymb=$symb;
1241: if ($ressymb =~ /bulletin___\d+___/) {
1242: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
1243: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
1244: }
1245: }
1246: my $crs='/'.$ENV{'request.course.id'};
1247: if ($ENV{'request.course.sec'}) {
1248: $crs.='_'.$ENV{'request.course.sec'};
1249: }
1250: $crs=~s/\_/\//g;
1251: my $seeid=&Apache::lonnet::allowed('rin',$crs);
1252: my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
1253: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1254: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1255: my %namesort = ();
1256: my %postcounts = ();
1257: my %lt=&Apache::lonlocal::texthash(
1258: 'diso' => 'Discussion filtering options',
1259: );
1260: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
1261: '','');
1262: if ($contrib{'version'}) {
1263: for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
1264: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
1265: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
1266: unless ((($hidden) && (!$seeid)) || ($deleted)) {
1267: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
1268: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
1269: my $lastname = $names{'lastname'};
1270: my $firstname = $names{'firstname'};
1271: if ($lastname eq '') {
1272: $lastname = '_';
1273: }
1274: if ($firstname eq '') {
1275: $firstname = '_';
1276: }
1277: unless (defined($namesort{$lastname})) {
1278: %{$namesort{$lastname}} = ();
1279: }
1280: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'};
1281: $postcounts{$poster} ++;
1282: if (defined($namesort{$lastname}{$firstname})) {
1283: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
1284: push @{$namesort{$lastname}{$firstname}}, $poster;
1285: }
1286: } else {
1287: @{$namesort{$lastname}{$firstname}} = ("$poster");
1288: }
1289: }
1290: }
1291: }
1292: }
1293: $r->print(<<END);
1294: <html>
1295: <head>
1296: <title>$lt{'diso'}</title>
1297: <meta http-equiv="pragma" content="no-cache" />
1298: </head>
1299: $bodytag
1300: <form name="pickpostersform" method="post">
1301: <table border="0">
1302: <tr>
1303: <td bgcolor="#777777">
1304: <table border="0" cellpadding="3">
1305: <tr bgcolor="#e6ffff">
1306: <td><b>No.</b></td>
1307: <td><b>Select</b></td>
1308: <td><b>Fullname</b><font color="#999999">(Username/domain)</font></td>
1309: <td><b>Posts</td>
1310: </tr>
1311: END
1312: my $count = 0;
1313: foreach my $last (sort keys %namesort) {
1314: foreach my $first (sort keys %{$namesort{$last}}) {
1315: foreach (sort @{$namesort{$last}{$first}}) {
1316: my ($uname,$udom) = split/:/,$_;
1317: if (!$uname || !$udom) {
1318: next;
1319: } else {
1320: $count ++;
1321: $r->print('<tr bgcolor="#ffffe6"><td align="right">'.$count.'</td><td align="center"><input name="stuinfo" type="checkbox" value="'.$_.'" /></td><td>'.$last.', '.$first.' ('.$uname.','.$udom.')</td><td>'.$postcounts{$_}.'</td></tr>');
1322: }
1323: }
1324: }
1325: }
1326: $r->print(<<END);
1327: </table>
1328: </td>
1329: </tr>
1330: </table>
1331: <br />
1332: <input type="hidden" name="sortposts" value="$sortposts" />
1333: <input type="hidden" name="userpick" value="$symb" />
1334: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />
1335: </form>
1336: </body>
1337: </html>
1338: END
1339: }
1340:
1341: sub fail_redirect {
1342: my ($r,$feedurl) = @_;
1343: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
1344: $r->print (<<ENDFAILREDIR);
1345: <html>
1346: <head><title>Feedback not sent</title>
1347: <meta http-equiv="pragma" content="no-cache" />
1348: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
1349: </head>
1350: <body bgcolor="#FFFFFF">
1351: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1352: <b>Sorry, no recipients ...</b>
1353: </body>
1354: </html>
1355: ENDFAILREDIR
1356: }
1357:
1358: sub redirect_back {
1359: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous,$sort,$rolefilter,$statusfilter,$secpick,$numpicks) = @_;
1360: my $sorttag = '';
1361: my $roletag = '';
1362: my $statustag = '';
1363: my $sectag = '';
1364: my $userpicktag = '';
1365: my $qrystr = '';
1366: my $prevtag = '';
1367: # backward compatibility (bulletin boards used to be 'wrapped')
1368: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1369: $feedurl=~s|^/adm/wrapper||;
1370: }
1371: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
1372: if ($previous > 0) {
1373: $qrystr = 'previous='.$previous;
1374: if ($feedurl =~ /\?register=1/) {
1375: $feedurl .= '&'.$qrystr;
1376: } else {
1377: $feedurl .= '?'.$qrystr;
1378: }
1379: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
1380: }
1381: if (defined($sort)) {
1382: my $sortqry = 'sortposts='.$sort;
1383: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) {
1384: $feedurl .= '&'.$sortqry;
1385: } else {
1386: $feedurl .= '?'.$sortqry;
1387: }
1388: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
1389: if ( (defined($numpicks)) && ($numpicks > 0) ) {
1390: my $userpickqry = 'totposters='.$numpicks;
1391: $feedurl .= '&'.$userpickqry;
1392: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
1393: } else {
1394: my $roleqry = 'rolefilter='.$rolefilter;
1395: $feedurl .= '&'.$roleqry;
1396: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
1397: $feedurl .= '&statusfilter='.$statusfilter;
1398: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
1399: $feedurl .= '§ionpick='.$secpick;
1400: $sectag = '<input type="hidden" name="sectionpick" value="'.$secpick.'" />';
1401: }
1402: }
1403: $r->print (<<ENDREDIR);
1404: <html>
1405: <head>
1406: <title>Feedback sent</title>
1407: <meta http-equiv="pragma" content="no-cache" />
1408: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
1409: </head>
1410: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
1411: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1412: $typestyle
1413: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
1414: <font color="red">$status</font>
1415: <form name="reldt" action="$feedurl" target="loncapaclient">
1416: $prevtag
1417: $sorttag
1418: $statustag
1419: $roletag
1420: $sectag
1421: $userpicktag
1422: </form>
1423: </body>
1424: </html>
1425: ENDREDIR
1426: }
1427:
1428: sub no_redirect_back {
1429: my ($r,$feedurl) = @_;
1430: $r->print (<<ENDNOREDIR);
1431: <html>
1432: <head><title>Feedback not sent</title>
1433: <meta http-equiv="pragma" content="no-cache" />
1434: ENDNOREDIR
1435:
1436: if ($feedurl!~/^\/adm\/feedback/) {
1437: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.$feedurl.'">');
1438: }
1439:
1440: $r->print (<<ENDNOREDIRTWO);
1441: </head>
1442: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>
1443: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1444: <b>Sorry, no feedback possible on this resource ...</b>
1445: </body>
1446: </html>
1447: ENDNOREDIRTWO
1448: }
1449:
1450: sub screen_header {
1451: my ($feedurl) = @_;
1452: my $msgoptions='';
1453: my $discussoptions='';
1454: unless (($ENV{'form.replydisc'}) || ($ENV{'form.editdisc'})) {
1455: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) {
1456: $msgoptions=
1457: '<p><input type="checkbox" name="author" /> '.
1458: &mt('Feedback to resource author').'</p>';
1459: }
1460: if (&feedback_available(1)) {
1461: $msgoptions.=
1462: '<br /><input type="checkbox" name="question" /> '.
1463: &mt('Question about resource content');
1464: }
1465: if (&feedback_available(0,1)) {
1466: $msgoptions.=
1467: '<br /><input type="checkbox" name="course" /> '.
1468: &mt('Question/Comment/Feedback about course content');
1469: }
1470: if (&feedback_available(0,0,1)) {
1471: $msgoptions.=
1472: '<br /><input type="checkbox" name="policy" /> '.
1473: &mt('Question/Comment/Feedback about course policy');
1474: }
1475: }
1476: if ($ENV{'request.course.id'}) {
1477: if (&discussion_open() &&
1478: &Apache::lonnet::allowed('pch',
1479: $ENV{'request.course.id'}.
1480: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
1481: $discussoptions='<input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '.
1482: ($ENV{'form.replydisc'}?' checked="1"':'').' /> '.
1483: &mt('Contribution to course discussion of resource');
1484: $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
1485: &mt('Anonymous contribution to course discussion of resource').
1486: ' <i>('.&mt('name only visible to course faculty').')</i>';
1487: }
1488: }
1489: if ($msgoptions) { $msgoptions='<h2><img src="/adm/lonMisc/feedback.gif" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
1490: if ($discussoptions) {
1491: $discussoptions='<h2><img src="/adm/lonMisc/chat.gif" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
1492: return $msgoptions.$discussoptions;
1493: }
1494:
1495: sub resource_output {
1496: my ($feedurl) = @_;
1497: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
1498: $usersaw=~s/\<body[^\>]*\>//gi;
1499: $usersaw=~s/\<\/body\>//gi;
1500: $usersaw=~s/\<html\>//gi;
1501: $usersaw=~s/\<\/html\>//gi;
1502: $usersaw=~s/\<head\>//gi;
1503: $usersaw=~s/\<\/head\>//gi;
1504: $usersaw=~s/action\s*\=/would_be_action\=/gi;
1505: return $usersaw;
1506: }
1507:
1508: sub clear_out_html {
1509: my ($message,$override)=@_;
1510: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
1511: my $cid=$ENV{'request.course.id'};
1512: if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
1513: ($override)) {
1514: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
1515: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
1516: # <SUP>
1517: my %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
1518: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
1519: M=>1, SUB=>1, SUP=>1, SPAN=>1,
1520: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
1521:
1522: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
1523: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
1524: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
1525: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
1526: } else {
1527: $message=~s/\</\<\;/g;
1528: $message=~s/\>/\>\;/g;
1529: }
1530: return $message;
1531: }
1532:
1533: sub assemble_email {
1534: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
1535: my $email=<<"ENDEMAIL";
1536: Refers to <a href="$feedurl">$feedurl</a>
1537:
1538: $message
1539: ENDEMAIL
1540: my $citations=<<"ENDCITE";
1541: <h2>Previous attempts of student (if applicable)</h2>
1542: $prevattempts
1543: <br /><hr />
1544: <h2>Original screen output (if applicable)</h2>
1545: $usersaw
1546: <h2>Correct Answer(s) (if applicable)</h2>
1547: $useranswer
1548: ENDCITE
1549: return ($email,$citations);
1550: }
1551:
1552: sub secapply {
1553: my $rec=shift;
1554: my $defaultflag=shift;
1555: $rec=~s/\s+//g;
1556: $rec=~s/\@/\:/g;
1557: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
1558: if ($sections) {
1559: foreach (split(/\;/,$sections)) {
1560: if (($_ eq $ENV{'request.course.sec'}) ||
1561: ($defaultflag && ($_ eq '*'))) {
1562: return $adr;
1563: }
1564: }
1565: } else {
1566: return $rec;
1567: }
1568: return '';
1569: }
1570:
1571: sub decide_receiver {
1572: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
1573: my $typestyle='';
1574: my %to=();
1575: if ($ENV{'form.author'}||$author) {
1576: $typestyle.='Submitting as Author Feedback<br>';
1577: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
1578: $to{$2.':'.$1}=1;
1579: }
1580: if ($ENV{'form.question'}||$question) {
1581: $typestyle.='Submitting as Question<br>';
1582: foreach (split(/\,/,
1583: $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'})
1584: ) {
1585: my $rec=&secapply($_,$defaultflag);
1586: if ($rec) { $to{$rec}=1; }
1587: }
1588: }
1589: if ($ENV{'form.course'}||$course) {
1590: $typestyle.='Submitting as Comment<br />';
1591: foreach (split(/\,/,
1592: $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'})
1593: ) {
1594: my $rec=&secapply($_,$defaultflag);
1595: if ($rec) { $to{$rec}=1; }
1596: }
1597: }
1598: if ($ENV{'form.policy'}||$policy) {
1599: $typestyle.='Submitting as Policy Feedback<br />';
1600: foreach (split(/\,/,
1601: $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'})
1602: ) {
1603: my $rec=&secapply($_,$defaultflag);
1604: if ($rec) { $to{$rec}=1; }
1605: }
1606: }
1607: if ((scalar(%to) eq '0') && (!$defaultflag)) {
1608: ($typestyle,%to)=
1609: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
1610: }
1611: return ($typestyle,%to);
1612: }
1613:
1614: sub feedback_available {
1615: my ($question,$course,$policy)=@_;
1616: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
1617: return scalar(%to);
1618: }
1619:
1620: sub send_msg {
1621: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_;
1622: my $status='';
1623: my $sendsomething=0;
1624: foreach (keys %to) {
1625: if ($_) {
1626: my $declutter=&Apache::lonnet::declutter($feedurl);
1627: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
1628: 'Feedback ['.$declutter.']',$email,$citations,$feedurl,
1629: $attachmenturl)=~/ok/) {
1630: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
1631: } else {
1632: $sendsomething++;
1633: }
1634: }
1635: }
1636:
1637: my %record=&Apache::lonnet::restore('_feedback');
1638: my ($temp)=keys %record;
1639: unless ($temp=~/^error\:/) {
1640: my %newrecord=();
1641: $newrecord{'resource'}=$feedurl;
1642: $newrecord{'subnumber'}=$record{'subnumber'}+1;
1643: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
1644: $status.='<br />'.&mt('Not registered').'<br />';
1645: }
1646: }
1647:
1648: return ($status,$sendsomething);
1649: }
1650:
1651: sub adddiscuss {
1652: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
1653: my $status='';
1654: if (&discussion_open() &&
1655: &Apache::lonnet::allowed('pch',$ENV{'request.course.id'}.
1656: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
1657:
1658: my %contrib=('message' => $email,
1659: 'sendername' => $ENV{'user.name'},
1660: 'senderdomain' => $ENV{'user.domain'},
1661: 'screenname' => $ENV{'environment.screenname'},
1662: 'plainname' => $ENV{'environment.firstname'}.' '.
1663: $ENV{'environment.middlename'}.' '.
1664: $ENV{'environment.lastname'}.' '.
1665: $ENV{'enrironment.generation'},
1666: 'attachmenturl'=> $attachmenturl,
1667: 'subject' => $subject);
1668: if ($ENV{'form.replydisc'}) {
1669: $contrib{'replyto'}=(split(/\:\:\:/,$ENV{'form.replydisc'}))[1];
1670: }
1671: if ($anon) {
1672: $contrib{'anonymous'}='true';
1673: }
1674: if (($symb) && ($email)) {
1675: if ($ENV{'form.editdisc'}) {
1676: my %newcontrib = ();
1677: $contrib{'ip'}=$ENV{'REMOTE_ADDR'};
1678: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
1679: $contrib{'timestamp'} = time;
1680: $contrib{'history'} = '';
1681: my $numoldver = 0;
1682: my ($oldsymb,$oldidx)=split(/\:\:\:/,$ENV{'form.editdisc'});
1683: # get timestamp for last post and history
1684: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$ENV{'request.course.id'},
1685: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1686: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1687: if (defined($oldcontrib{$oldidx.':replyto'})) {
1688: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
1689: }
1690: if (defined($oldcontrib{$oldidx.':history'})) {
1691: if ($oldcontrib{$oldidx.':history'} =~ /:/) {
1692: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'};
1693: $numoldver = @oldversions;
1694: } else {
1695: $numoldver = 1;
1696: }
1697: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':';
1698: }
1699: if (defined($oldcontrib{$oldidx.':subject'})) {
1700: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.'::::'.$numoldver.'::::'.$contrib{'subject'};
1701: }
1702: if (defined($oldcontrib{$oldidx.':message'})) {
1703: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.'::::'.$numoldver.'::::'.$contrib{'message'};
1704: }
1705: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
1706: foreach (keys %contrib) {
1707: my $key = $oldidx.':'.&Apache::lonnet::escape($oldsymb).':'.$_;
1708: $newcontrib{$key} = $contrib{$_};
1709: }
1710: my $put_reply = &Apache::lonnet::putstore($ENV{'request.course.id'},
1711: \%newcontrib,
1712: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1713: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1714: $status='Editing class discussion'.($anon?' (anonymous)':'');
1715: } else {
1716: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
1717: &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},
1718: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1719: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1720: }
1721: my %storenewentry=($symb => time);
1722: $status.='<br />'.&mt('Updating discussion time').': '.
1723: &Apache::lonnet::put('discussiontimes',\%storenewentry,
1724: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1725: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1726: }
1727: my %record=&Apache::lonnet::restore('_discussion');
1728: my ($temp)=keys %record;
1729: unless ($temp=~/^error\:/) {
1730: my %newrecord=();
1731: $newrecord{'resource'}=$symb;
1732: $newrecord{'subnumber'}=$record{'subnumber'}+1;
1733: $status.='<br />'.&mt('Registering').': '.
1734: &Apache::lonnet::cstore(\%newrecord,'_discussion');
1735: }
1736: } else {
1737: $status.='Failed.';
1738: }
1739: return $status.'<br />';
1740: }
1741:
1742: # ----------------------------------------------------------- Preview function
1743:
1744: sub show_preview {
1745: my $r=shift;
1746: my $message=&clear_out_html($ENV{'form.comment'});
1747: $message=~s/\n/\<br \/\>/g;
1748: $message=&Apache::lontexconvert::msgtexconverted($message);
1749: my $subject=&clear_out_html($ENV{'form.subject'});
1750: $subject=~s/\n/\<br \/\>/g;
1751: $subject=&Apache::lontexconvert::msgtexconverted($subject);
1752: $r->print('<table border="2"><tr><td>'.
1753: '<b>Subject:</b> '.$subject.'<br /><br />'.
1754: $message.'</td></tr></table>');
1755: }
1756:
1757: sub generate_preview_button {
1758: my $pre=&mt("Show Preview");
1759: return(<<ENDPREVIEW);
1760: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
1761: <input type="hidden" name="subject">
1762: <input type="hidden" name="comment" />
1763: <input type="button" value="$pre"
1764: 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();" />
1765: </form>
1766: ENDPREVIEW
1767: }
1768:
1769: sub handler {
1770: my $r = shift;
1771: if ($r->header_only) {
1772: &Apache::loncommon::content_type($r,'text/html');
1773: $r->send_http_header;
1774: return OK;
1775: }
1776:
1777: # --------------------------- Get query string for limited number of parameters
1778:
1779: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1780: ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','threadedon','threadedoff','onlyunread','allposts','previous','markread','markonread','markondisp','modifydisp','changes','navmaps','navurl','sortfilter','sortposts','applysort','rolefilter','statusfilter','sectionpick','posterlist','userpick']);
1781: if ($ENV{'form.posterlist'}) {
1782: &Apache::loncommon::content_type($r,'text/html');
1783: $r->send_http_header;
1784: my $symb=$ENV{'form.posterlist'};
1785: my $sortposts = $ENV{'form.sortposts'};
1786: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1787: my $previous=$ENV{'form.previous'};
1788: my $feedurl = &Apache::lonnet::clutter($url);
1789: # backward compatibility (bulletin boards used to be 'wrapped')
1790: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1791: $feedurl=~s|^/adm/wrapper||;
1792: }
1793: &print_showposters($r,$symb,$previous,$feedurl,$sortposts);
1794: return OK;
1795: }
1796: if ($ENV{'form.userpick'}) {
1797: &Apache::loncommon::content_type($r,'text/html');
1798: $r->send_http_header;
1799: my $symb=$ENV{'form.userpick'};
1800: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1801: my $previous=$ENV{'form.previous'};
1802: # backward compatibility (bulletin boards used to be 'wrapped')
1803: my $ressymb=$symb;
1804: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
1805: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
1806: }
1807: my $sort=$ENV{'form.sortposts'};
1808: my @posters = ();
1809: if (ref($ENV{'form.stuinfo'}) eq 'ARRAY') {
1810: @posters = $ENV{'form.stuinfo'};
1811: } else {
1812: $posters[0] = $ENV{'form.stuinfo'};
1813: }
1814: my $numpicks = @posters;
1815: if (defined($ENV{'form.userpick'})) {
1816: my %discinfo = ();
1817: $discinfo{$ressymb.'_userpick'} = join('&',@posters);
1818: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
1819: }
1820: my $feedurl = &Apache::lonnet::clutter($url);
1821: # backward compatibility (bulletin boards used to be 'wrapped')
1822: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1823: $feedurl=~s|^/adm/wrapper||;
1824: }
1825: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',$previous,$sort,'','','',$numpicks);
1826: return OK;
1827: }
1828: if ($ENV{'form.applysort'}) {
1829: &Apache::loncommon::content_type($r,'text/html');
1830: $r->send_http_header;
1831: my $symb=$ENV{'form.applysort'};
1832: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1833: my $previous=$ENV{'form.previous'};
1834: my $sort = $ENV{'form.sortposts'};
1835: my $rolefilter = $ENV{'form.rolefilter'};
1836: my $statusfilter = $ENV{'form.statusfilter'};
1837: my $secpick = $ENV{'form.sectionpick'};
1838: my $feedurl = &Apache::lonnet::clutter($url);
1839: # backward compatibility (bulletin boards used to be 'wrapped')
1840: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1841: $feedurl=~s|^/adm/wrapper||;
1842: }
1843: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',$previous,$sort,$rolefilter,$statusfilter,$secpick);
1844: return OK;
1845: } elsif ($ENV{'form.sortfilter'}) {
1846: &Apache::loncommon::content_type($r,'text/html');
1847: $r->send_http_header;
1848: my $symb=$ENV{'form.sortfilter'};
1849: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1850: my $previous=$ENV{'form.previous'};
1851: my $feedurl = &Apache::lonnet::clutter($url);
1852: # backward compatibility (bulletin boards used to be 'wrapped')
1853: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1854: $feedurl=~s|^/adm/wrapper||;
1855: }
1856: &print_sortfilter_options($r,$symb,$previous,$feedurl);
1857: return OK;
1858: } elsif ($ENV{'form.navmaps'}) {
1859: my %discinfo = ();
1860: my @resources = ();
1861: if ($ENV{'form.navmaps'} =~ /:/) {
1862: @resources = split/:/,$ENV{'form.navmaps'};
1863: } else {
1864: @resources = ("$ENV{'form.navmaps'}");
1865: }
1866: my $numitems = @resources;
1867: my $feedurl = '/adm/navmaps';
1868: if ($ENV{'form.navurl'}) {
1869: $feedurl .= '?'.$ENV{'form.navurl'};
1870: }
1871: my %lt = &Apache::lonlocal::texthash(
1872: 'mnpa' => 'Marked "New" posts as read in a total of',
1873: 'robb' => 'resources/bulletin boards.'
1874: );
1875: foreach (@resources) {
1876: # backward compatibility (bulletin boards used to be 'wrapped')
1877: my $ressymb=$_;
1878: if ($ressymb =~ m/bulletin___\d+___/) {
1879: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
1880: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper/|;
1881: }
1882: }
1883: my $lastkey = $ressymb.'_lastread';
1884: $discinfo{$lastkey} = time;
1885: }
1886: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
1887: &Apache::loncommon::content_type($r,'text/html');
1888: $r->send_http_header;
1889: $r->print (<<ENDREDIR);
1890: <html>
1891: <head>
1892: <title>New posts marked as read</title>
1893: <meta http-equiv="pragma" content="no-cache" />
1894: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
1895: </head>
1896: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
1897: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1898: <b>$lt{'mnpa'} $numitems $lt{'robb'}</b>
1899: <form name="reldt" action="$feedurl" target="loncapaclient">
1900: </form>
1901: </body>
1902: </html>
1903: ENDREDIR
1904: return OK;
1905: } elsif ($ENV{'form.modifydisp'}) {
1906: &Apache::loncommon::content_type($r,'text/html');
1907: $r->send_http_header;
1908: my $symb=$ENV{'form.modifydisp'};
1909: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1910: my $previous=$ENV{'form.previous'};
1911: my ($dispchg,$markchg) = split/_/,$ENV{'form.changes'};
1912: my $feedurl = &Apache::lonnet::clutter($url);
1913: # backward compatibility (bulletin boards used to be 'wrapped')
1914: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1915: $feedurl=~s|^/adm/wrapper||;
1916: }
1917: &print_display_options($r,$symb,$previous,$dispchg,$markchg,$feedurl);
1918: return OK;
1919: } elsif (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'}) || ($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) ) {
1920: &Apache::loncommon::content_type($r,'text/html');
1921: $r->send_http_header;
1922: my $previous=$ENV{'form.previous'};
1923: my ($map,$ind,$url);
1924: if (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'})) {
1925: # ---------------------- Modify setting for identification of 'NEW' posts in this discussion
1926: my $symb=$ENV{'form.markondisp'}?$ENV{'form.markondisp'}:$ENV{'form.markonread'};
1927: my $ressymb = $symb;
1928: ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1929: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
1930: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
1931: }
1932: my %discinfo = ();
1933: my $lastkey = $ressymb.'_lastread';
1934: my $ondispkey = $ressymb.'_markondisp';
1935: if ($ENV{'form.markondisp'}) {
1936: $discinfo{$lastkey} = time;
1937: $discinfo{$ondispkey} = 1;
1938: } elsif ($ENV{'form.markonread'}) {
1939: if ( $previous > 0 ) {
1940: $discinfo{$lastkey} = $previous;
1941: }
1942: $discinfo{$ondispkey} = 0;
1943: }
1944: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
1945: }
1946: if (($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'})) {
1947: # ----------------------------------------------------------------- Modify display setting for this discussion
1948: my $symb=$ENV{'form.allposts'}?$ENV{'form.allposts'}:$ENV{'form.onlyunread'};
1949: my $ressymb = $symb;
1950: ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1951: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
1952: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
1953: }
1954: my %discinfo = ();
1955: if ($ENV{'form.allposts'}) {
1956: $discinfo{$ressymb.'_showonlyunread'} = 0;
1957: } elsif ($ENV{'form.onlyunread'}) {
1958: $discinfo{$ressymb.'_showonlyunread'} = 1;
1959: }
1960: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
1961: }
1962: if (($ENV{'form.markonread'}) || ($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) ) {
1963: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0','',$previous);
1964: } else {
1965: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0');
1966: }
1967: return OK;
1968: } elsif ($ENV{'form.markread'}) {
1969: # ----------------------------------------------------------------- Mark new posts as read
1970: &Apache::loncommon::content_type($r,'text/html');
1971: $r->send_http_header;
1972: my $symb=$ENV{'form.markread'};
1973: my $ressymb = $symb;
1974: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1975: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
1976: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
1977: }
1978: my %discinfo = ();
1979: my $lastkey = $ressymb.'_lastread';
1980: $discinfo{$lastkey} = time;
1981: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
1982: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed reading status').'<br />','0','0');
1983: return OK;
1984: } elsif (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {
1985: # ----------------------------------------------------------------- Hide/unhide
1986: &Apache::loncommon::content_type($r,'text/html');
1987: $r->send_http_header;
1988:
1989: my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};
1990:
1991: my ($symb,$idx)=split(/\:\:\:/,$entry);
1992: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1993:
1994: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
1995: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1996: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1997:
1998:
1999: my $currenthidden=$contrib{'hidden'};
2000: my $currentstudenthidden=$contrib{'studenthidden'};
2001:
2002: my $crs='/'.$ENV{'request.course.id'};
2003: if ($ENV{'request.course.sec'}) {
2004: $crs.='_'.$ENV{'request.course.sec'};
2005: }
2006: $crs=~s/\_/\//g;
2007: my $seeid=&Apache::lonnet::allowed('rin',$crs);
2008:
2009: if ($ENV{'form.hide'}) {
2010: $currenthidden.='.'.$idx.'.';
2011: unless ($seeid) {
2012: $currentstudenthidden.='.'.$idx.'.';
2013: }
2014: } else {
2015: $currenthidden=~s/\.$idx\.//g;
2016: }
2017: my %newhash=('hidden' => $currenthidden);
2018: if ( ($ENV{'form.hide'}) && (!$seeid) ) {
2019: $newhash{'studenthidden'} = $currentstudenthidden;
2020: }
2021:
2022: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
2023: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2024: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2025:
2026: &redirect_back($r,&Apache::lonnet::clutter($url),
2027: &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});
2028: } elsif (($ENV{'form.threadedon'}) || ($ENV{'form.threadedoff'})) {
2029: &Apache::loncommon::content_type($r,'text/html');
2030: $r->send_http_header;
2031: if ($ENV{'form.threadedon'}) {
2032: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
2033: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
2034: } else {
2035: &Apache::lonnet::del('environment',['threadeddiscussion']);
2036: &Apache::lonnet::delenv('environment\.threadeddiscussion');
2037: }
2038: my $symb=$ENV{'form.threadedon'}?$ENV{'form.threadedon'}:$ENV{'form.threadedoff'};
2039: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2040: &redirect_back($r,&Apache::lonnet::clutter($url),
2041: &mt('Changed discussion view mode').'<br />','0','0','',$ENV{'form.previous'});
2042: } elsif ($ENV{'form.deldisc'}) {
2043: # --------------------------------------------------------------- Hide for good
2044: &Apache::loncommon::content_type($r,'text/html');
2045: $r->send_http_header;
2046:
2047: my $entry=$ENV{'form.deldisc'};
2048:
2049: my ($symb,$idx)=split(/\:\:\:/,$entry);
2050: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
2051:
2052: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
2053: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2054: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2055:
2056:
2057: my $currentdeleted=$contrib{'deleted'};
2058:
2059: $currentdeleted.='.'.$idx.'.';
2060:
2061: my %newhash=('deleted' => $currentdeleted);
2062:
2063: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
2064: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
2065: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
2066:
2067: &redirect_back($r,&Apache::lonnet::clutter($url),
2068: &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});
2069: } elsif ($ENV{'form.preview'}) {
2070: # -------------------------------------------------------- User wants a preview
2071: $r->content_type('text/html');
2072: $r->send_http_header;
2073: &show_preview($r);
2074: } else {
2075: # ------------------------------------------------------------- Normal feedback
2076: my $feedurl=$ENV{'form.postdata'};
2077: $feedurl=~s/^http\:\/\///;
2078: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
2079: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
2080: $feedurl=~s/\?.+$//;
2081:
2082: my $symb;
2083: if ($ENV{'form.replydisc'}) {
2084: $symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];
2085: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
2086: $feedurl=&Apache::lonnet::clutter($url);
2087: } elsif ($ENV{'form.editdisc'}) {
2088: $symb=(split(/\:\:\:/,$ENV{'form.editdisc'}))[0];
2089: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
2090: $feedurl=&Apache::lonnet::clutter($url);
2091: } else {
2092: $symb=&Apache::lonnet::symbread($feedurl);
2093: }
2094: unless ($symb) {
2095: $symb=$ENV{'form.symb'};
2096: if ($symb) {
2097: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
2098: $feedurl=&Apache::lonnet::clutter($url);
2099: }
2100: }
2101: my $goahead=1;
2102: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {
2103: unless ($symb) { $goahead=0; }
2104: }
2105: # backward compatibility (bulletin boards used to be 'wrapped')
2106: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
2107: $feedurl=~s|^/adm/wrapper||;
2108: }
2109: if ($goahead) {
2110: # Go ahead with feedback, no ambiguous reference
2111: &Apache::loncommon::content_type($r,'text/html');
2112: $r->send_http_header;
2113:
2114: if (
2115: (
2116: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
2117: )
2118: ||
2119: ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))
2120: ||
2121: ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
2122: ) {
2123: # --------------------------------------------------- Print login screen header
2124: unless ($ENV{'form.sendit'}) {
2125: my $options=&screen_header($feedurl);
2126: if ($options) {
2127: &mail_screen($r,$feedurl,$options);
2128: } else {
2129: &fail_redirect($r,$feedurl);
2130: }
2131: } else {
2132:
2133: # Get previous user input
2134: my $prevattempts=&Apache::loncommon::get_previous_attempt(
2135: $symb,$ENV{'user.name'},$ENV{'user.domain'},
2136: $ENV{'request.course.id'});
2137:
2138: # Get output from resource
2139: my $usersaw=&resource_output($feedurl);
2140:
2141: # Get resource answer (need to allow student to view grades for this to work)
2142: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
2143: my $useranswer=&Apache::loncommon::get_student_answers(
2144: $symb,$ENV{'user.name'},$ENV{'user.domain'},
2145: $ENV{'request.course.id'});
2146: &Apache::lonnet::delenv('allowed.vgr');
2147: # Get attachments, if any, and not too large
2148: my $attachmenturl='';
2149: if ($ENV{'form.attachment.filename'}) {
2150: unless (length($ENV{'form.attachment'})>131072) {
2151: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
2152: }
2153: }
2154: # Filter HTML out of message (could be nasty)
2155: my $message=&clear_out_html($ENV{'form.comment'});
2156:
2157: # Assemble email
2158: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
2159: $usersaw,$useranswer);
2160:
2161: # Who gets this?
2162: my ($typestyle,%to) = &decide_receiver($feedurl);
2163:
2164: # Actually send mail
2165: my ($status,$numsent)=&send_msg($feedurl,$email,$citations,
2166: $attachmenturl,%to);
2167:
2168: # Discussion? Store that.
2169:
2170: my $numpost=0;
2171: if ($ENV{'form.discuss'}) {
2172: my $subject = &clear_out_html($ENV{'form.subject'});
2173: $typestyle.=&adddiscuss($symb,$message,0,$attachmenturl,$subject);
2174: $numpost++;
2175: }
2176:
2177: if ($ENV{'form.anondiscuss'}) {
2178: my $subject = &clear_out_html($ENV{'form.subject'});
2179: $typestyle.=&adddiscuss($symb,$message,1,$attachmenturl,$subject);
2180: $numpost++;
2181: }
2182:
2183:
2184: # Receipt screen and redirect back to where came from
2185: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$ENV{'form.previous'});
2186:
2187: }
2188: } else {
2189: # Unable to give feedback
2190: &no_redirect_back($r,$feedurl);
2191: }
2192: } else {
2193: # Ambiguous Problem Resource
2194: if ( &Apache::lonnet::mod_perl_version() == 2 ) {
2195: &Apache::lonnet::cleanenv();
2196: }
2197: $r->internal_redirect('/adm/ambiguous');
2198: }
2199: }
2200: return OK;
2201: }
2202:
2203: 1;
2204: __END__
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