1: # The LearningOnline Network
2: # Feedback
3: #
4: # $Id: lonfeedback.pm,v 1.99.2.6 2004/09/13 18:20:38 albertel 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: if ($ENV{'request.course.sec'}) {
76: $crs.='_'.$ENV{'request.course.sec'};
77: }
78: $crs=~s/\_/\//g;
79: unless ($symb) {
80: $symb=&Apache::lonnet::symbread();
81: }
82: unless ($symb) { return ''; }
83:
84: # backward compatibility (bulletin boards used to be 'wrapped')
85: my $ressymb=$symb;
86: if ($mode eq 'board') {
87: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
88: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
89: }
90: }
91:
92: # Get discussion display settings for this discussion
93: my $lastkey = $ressymb.'_lastread';
94: my $showkey = $ressymb.'_showonlyunread';
95: my $visitkey = $ressymb.'_visit';
96: my $ondispkey = $ressymb.'_markondisp';
97: my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$visitkey,$ondispkey],$ENV{'user.domain'},$ENV{'user.name'});
98: my %discinfo = ();
99: my $showonlyunread = 0;
100: my $markondisp = 0;
101: my $prevread = 0;
102: my $previous = 0;
103: my $visit = 0;
104: my $newpostsflag = 0;
105:
106: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
107: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous']);
108: $previous = $ENV{'form.previous'};
109: if ($previous > 0) {
110: $prevread = $previous;
111: } elsif (defined($dischash{$lastkey})) {
112: unless ($dischash{$lastkey} eq '') {
113: $prevread = $dischash{$lastkey};
114: }
115: }
116:
117: # Get discussion display default settings for user
118: my %userenv = &Apache::lonnet::get('environment',['discdisplay','discmarkread'],$ENV{'user.domain'},$ENV{'user.name'});
119: my $discdisplay=$userenv{'discdisplay'};
120: if ($discdisplay eq 'unread') {
121: $showonlyunread = 1;
122: }
123: my $discmarkread=$userenv{'discmarkread'};
124: if ($discmarkread eq 'ondisp') {
125: $markondisp = 1;
126: }
127:
128: # Override user's default if user specified display setting for this discussion
129: if (defined($dischash{$ondispkey})) {
130: unless ($dischash{$showkey} eq '') {
131: $markondisp = $dischash{$ondispkey};
132: }
133: }
134: if ($markondisp) {
135: $discinfo{$lastkey} = time;
136: }
137:
138: if (defined($dischash{$showkey})) {
139: unless ($dischash{$showkey} eq '') {
140: $showonlyunread = $dischash{$showkey};
141: }
142: }
143:
144: if (defined($dischash{$visitkey})) {
145: unless ($dischash{$showkey} eq '') {
146: $visit = $dischash{$visitkey};
147: }
148: }
149: $visit ++;
150:
151: my $seeid=&Apache::lonnet::allowed('rin',$crs);
152: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
153: && ($symb=~/\.(problem|exam|quiz|assess|survey|form)$/));
154: my @discussionitems=();
155: my %contrib=&Apache::lonnet::restore($ressymb,$ENV{'request.course.id'},
156: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
157: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
158: my $visible=0;
159: my @depth=();
160: my @original=();
161: my @index=();
162: my @replies=();
163: my %alldiscussion=();
164: my %notshown = ();
165: my %newitem = ();
166: my $maxdepth=0;
167:
168: my $target='';
169: unless ($ENV{'browser.interface'} eq 'textual' ||
170: $ENV{'environment.remote'} eq 'off' ) {
171: $target='target="LONcom"';
172: }
173:
174: my $now = time;
175: $discinfo{$visitkey} = $visit;
176:
177: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
178:
179: if ($contrib{'version'}) {
180: my $oldest = $contrib{'1:timestamp'};
181: if ($prevread eq '0') {
182: $prevread = $oldest-1;
183: }
184: for (my $id=1;$id<=$contrib{'version'};$id++) {
185: my $idx=$id;
186: my $posttime = $contrib{$idx.':timestamp'};
187: if ($prevread <= $posttime) {
188: $newpostsflag = 1;
189: }
190: my $hidden=($contrib{'hidden'}=~/\.$idx\./);
191: my $deleted=($contrib{'deleted'}=~/\.$idx\./);
192: my $origindex='0.';
193: if (($contrib{$idx.':replyto'}) && ($ENV{'environment.threadeddiscussion'})) {
194: # this is a follow-up message
195: $original[$idx]=$original[$contrib{$idx.':replyto'}];
196: $depth[$idx]=$depth[$contrib{$idx.':replyto'}]+1;
197: $origindex=$index[$contrib{$idx.':replyto'}];
198: if ($depth[$idx]>$maxdepth) { $maxdepth=$depth[$idx]; }
199: } else {
200: # this is an original message
201: $original[$idx]=0;
202: $depth[$idx]=0;
203: }
204: if ($replies[$depth[$idx]]) {
205: $replies[$depth[$idx]]++;
206: } else {
207: $replies[$depth[$idx]]=1;
208: }
209: unless ((($hidden) && (!$seeid)) || ($deleted)) {
210: $visible++;
211: my $message=$contrib{$idx.':message'};
212: $message=~s/\n/\<br \/\>/g;
213: $message=&Apache::lontexconvert::msgtexconverted($message);
214: my $subject=$contrib{$idx.':subject'};
215: if (defined($subject)) {
216: $subject=~s/\n/\<br \/\>/g;
217: $subject=&Apache::lontexconvert::msgtexconverted($subject);
218: }
219: if ($contrib{$idx.':attachmenturl'}) {
220: my ($fname)
221: =($contrib{$idx.':attachmenturl'}=~m|/([^/]+)$|);
222: &Apache::lonnet::allowuploaded('/adm/feedback',
223: $contrib{$idx.':attachmenturl'});
224: $message.='<p>'.&mt('Attachment').
225: ': <a href="'.$contrib{$idx.':attachmenturl'}.'"><tt>'.
226: $fname.'</tt></a></p>';
227: }
228: if ($message) {
229: if ($hidden) {
230: $message='<font color="#888888">'.$message.'</font>';
231: }
232: my $screenname=&Apache::loncommon::screenname(
233: $contrib{$idx.':sendername'},
234: $contrib{$idx.':senderdomain'});
235: my $plainname=&Apache::loncommon::nickname(
236: $contrib{$idx.':sendername'},
237: $contrib{$idx.':senderdomain'});
238:
239: my $sender=&mt('Anonymous');
240: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
241: $sender=&Apache::loncommon::aboutmewrapper(
242: $plainname,
243: $contrib{$idx.':sendername'},
244: $contrib{$idx.':senderdomain'}).' ('.
245: $contrib{$idx.':sendername'}.' at '.
246: $contrib{$idx.':senderdomain'}.')';
247: if ($contrib{$idx.':anonymous'}) {
248: $sender.=' ['.&mt('anonymous').'] '.
249: $screenname;
250: }
251: if ($seeid) {
252: if ($hidden) {
253: $sender.=' <a href="/adm/feedback?unhide='.
254: $ressymb.':::'.$idx;
255: if ($newpostsflag) {
256: $sender .= '&previous='.$prevread;
257: }
258: $sender .= '">'.&mt('Make Visible').'</a>';
259: } else {
260: $sender.=' <a href="/adm/feedback?hide='.
261: $ressymb.':::'.$idx;
262: if ($newpostsflag) {
263: $sender .= '&previous='.$prevread;
264: }
265: $sender .= '">'.&mt('Hide').'</a>';
266: }
267: $sender.=' <a href="/adm/feedback?deldisc='.
268: $ressymb.':::'.$idx;
269: if ($newpostsflag) {
270: $sender .= '&previous='.$prevread;
271: }
272: $sender .= '">'.&mt('Delete').'</a>';
273: }
274: } else {
275: if ($screenname) {
276: $sender='<i>'.$screenname.'</i>';
277: }
278: }
279: if (&discussion_open($status) &&
280: &Apache::lonnet::allowed('pch',
281: $ENV{'request.course.id'}.
282: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
283: $sender.=' <a href="/adm/feedback?replydisc='.
284: $ressymb.':::'.$idx;
285: if ($newpostsflag) {
286: $sender .= '&previous='.$prevread;
287: }
288: $sender .= '" '.$target.'>'.&mt('Reply').'</a>';
289: }
290: my $vgrlink;
291: if ($viewgrades) {
292: $vgrlink=&Apache::loncommon::submlink('Submissions',
293: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$symb);
294: }
295: #figure out at what position this needs to print
296: my $thisindex=$idx;
297: if ($ENV{'environment.threadeddiscussion'}) {
298: $thisindex=$origindex.substr('00'.$replies[$depth[$idx]],-2,2);
299: }
300: $alldiscussion{$thisindex}=$idx;
301: $index[$idx]=$thisindex;
302: my $spansize = 2;
303: if ($showonlyunread && $prevread > $posttime) {
304: $notshown{$idx} = 1;
305: } else {
306: if ($prevread > 0 && $prevread <= $posttime) {
307: $newitem{$idx} = 1;
308: $discussionitems[$idx] .= '
309: <p><table border="0" width="100%">
310: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
311: } else {
312: $newitem{$idx} = 0;
313: $discussionitems[$idx] .= '
314: <p><table border="0" width="100%">
315: <tr><td align="left"> </td>';
316: }
317: $discussionitems[$idx] .= '<td align ="left"> '.
318: '<b>'.$subject.'</b> '.
319: $sender.'</b> '.$vgrlink.' ('.
320: localtime($posttime).')</td></tr>'.
321: '</table><blockquote>'.$message.'</blockquote></p>';
322: }
323: }
324: }
325: }
326: }
327:
328: my $discussion='';
329:
330: my $function = &Apache::loncommon::get_users_function();
331: my $color = &Apache::loncommon::designparm($function.'.tabbg',
332: $ENV{'user.domain'});
333: my %lt = &Apache::lonlocal::texthash(
334: 'cuse' => 'Current discussion settings',
335: 'allposts' => 'All posts',
336: 'unread' => 'New posts only',
337: 'ondisp' => 'Once displayed',
338: 'onmark' => 'Once marked read',
339: 'disa' => 'Posts to be displayed',
340: 'npce' => 'Posts cease to be marked "NEW"',
341: 'chgt' => 'Change',
342: 'disp' => 'Display',
343: 'nolo' => 'Not new',
344: );
345:
346: my $currdisp = $lt{'allposts'};
347: my $currmark = $lt{'onmark'};
348: my $dispchange = $lt{'unread'};
349: my $markchange = $lt{'ondisp'};
350: my $chglink = '/adm/feedback?modifydisp='.$ressymb;
351: my $displink = 'onlyunread';
352: my $marklink = 'markondisp';
353:
354: if ($markondisp) {
355: $currmark = $lt{'ondisp'};
356: $markchange = $lt{'onmark'};
357: $marklink = 'markonread';
358: }
359:
360: if ($showonlyunread) {
361: $currdisp = $lt{'unread'};
362: $dispchange = $lt{'allposts'};
363: $displink = 'allposts';
364: }
365:
366: $chglink .= '&changes='.$displink.'_'.$marklink;
367:
368: if ($newpostsflag) {
369: $chglink .= '&previous='.$prevread;
370: }
371:
372: if ($visible) {
373: # Print the discusssion
374: if ($outputtarget ne 'tex') {
375: my $colspan=$maxdepth+1;
376: $discussion.='<table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';
377: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.
378: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';
379: if ($visible>2) {
380: $discussion.='<td align="left">'.
381: '<a href="/adm/feedback?threadedon='.$ressymb;
382: if ($newpostsflag) {
383: $discussion .= '&previous='.$prevread;
384: }
385: $discussion .='">'.&mt('Threaded View').'</a> '.
386: '<a href="/adm/feedback?threadedoff='.$ressymb;
387: if ($newpostsflag) {
388: $discussion .= '&previous='.$prevread;
389: }
390: $discussion .='">'.&mt('Chronological View').'</a> </td>';
391: }
392: if ($newpostsflag) {
393: if (!$markondisp) {
394: $discussion .='<td align="right"><a href="/adm/feedback?markread='.$ressymb.'">'.&mt('Mark new posts as read').'</a> ';
395: } else {
396: $discussion .= '<td> </td>';
397: }
398: } else {
399: $discussion .= '<td> </td>';
400: }
401: $discussion .= '</tr></table></td></tr>';
402: } else {
403: $discussion.='\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
404: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
405: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
406: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
407: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}';
408: }
409: my $numhidden = keys %notshown;
410: if ($numhidden > 0) {
411: my $colspan = $maxdepth+1;
412: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
413: '<a href="/adm/feedback?allposts='.$ressymb;
414: if ($newpostsflag) {
415: $discussion .= '&previous='.$prevread;
416: }
417: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
418: $numhidden.' '.&mt('previously viewed posts').
419: '<br/></td></tr>';
420: }
421: foreach (sort { $a <=> $b } keys %alldiscussion) {
422: unless ($notshown{$alldiscussion{$_}} eq '1') {
423: if ($outputtarget ne 'tex') {
424: $discussion.="\n<tr>";
425: } else {
426: $discussion.='\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}';
427: }
428: my $thisdepth=$depth[$alldiscussion{$_}];
429: if ($outputtarget ne 'tex') {
430: for (1..$thisdepth) {
431: $discussion.='<td> </td>';
432: }
433: }
434: my $colspan=$maxdepth-$thisdepth+1;
435: if ($outputtarget ne 'tex') {
436: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}].'" colspan="'.$colspan.'">'.
437: $discussionitems[$alldiscussion{$_}].
438: '</td></tr>';
439: } else {
440: #cleanup block
441: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
442: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/;
443: my $threadinsert='';
444: if ($thisdepth > 0) {
445: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
446: }
447: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
448: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Hide|Delete|Reply|Submissions)<\/a>//g;
449: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g;
450:
451: #FIXME xmlparse can't be safely called from inside xmlparse
452: # due to the global variables that are use, the safe
453: # space etc. I expect this has unforseen issues that
454: # need resolving.
455:
456: $discussion.=&Apache::lonxml::xmlparse('','tex',$discussionitems[$alldiscussion{$_}]);
457: }
458: }
459: }
460: if ($outputtarget ne 'tex') {
461: my $colspan=$maxdepth+1;
462: $discussion .= <<END;
463: <tr bgcolor="#FFFFFF">
464: <td colspan="$colspan" valign="top">
465: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">
466: <tr>
467: <td align="left">
468: <table border="0" cellpadding="0" cellspacing="4">
469: <tr>
470: <td>
471: <font size="-1"><b>$lt{'cuse'}</b>:</td>
472: <td> </td>
473: END
474: if ($newpostsflag) {
475: $discussion .=
476: '<td><font size="-1">1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i></font></td>';
477: } else {
478: $discussion .=
479: '<td><font size="-1">'.$lt{'disp'}.' - <i>'.$currdisp.'</i></font></td>';
480: }
481: $discussion .= <<END;
482: <td> </td>
483: <td>
484: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b></td>
485: </tr>
486: </table>
487: </td>
488: </tr>
489: </table>
490: </td>
491: </tr>
492: </table>
493: <br /><br />
494: END
495: }
496: }
497: if ($discussiononly) {
498: $discussion.=(<<ENDDISCUSS);
499: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
500: <input type="submit" name="discuss" value="Post Discussion" />
501: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
502: <input type="hidden" name="symb" value="$ressymb" />
503: <input type="hidden" name="sendit" value="true" />
504: <br />
505: <font size="1">Note: in anonymous discussion, your name is visible only to
506: course faculty</font><br />
507: <b>Title:</b> <input type="text" name="subject" value="" size="30" /><br /><br />
508: <textarea name="comment" cols="80" rows="14" wrap="hard"></textarea>
509: <p>
510: Attachment (128 KB max size): <input type="file" name="attachment" />
511: </p>
512: </form>
513: ENDDISCUSS
514: if ($outputtarget ne 'tex') {
515: $discussion.=&generate_preview_button();
516: }
517: } else {
518: if (&discussion_open($status) &&
519: &Apache::lonnet::allowed('pch',
520: $ENV{'request.course.id'}.
521: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
522: if ($outputtarget ne 'tex') {
523: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='.
524: $symb.':::" '.$target.'>'.
525: '<img src="/adm/lonMisc/chat.gif" border="0" />'.
526: &mt('Post Discussion').'</a></td></tr></table>';
527: }
528: }
529: }
530: return $discussion;
531: }
532:
533: sub mail_screen {
534: my ($r,$feedurl,$options) = @_;
535: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion',
536: '','onLoad="window.focus();"');
537: my $title=&Apache::lonnet::gettitle($feedurl);
538: if (!$title) { $title = $feedurl; }
539: my $quote='';
540: my $subject = '';
541: my $prevtag = '';
542: if ($ENV{'form.replydisc'}) {
543: my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});
544: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
545: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
546: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
547: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) {
548: my $message=$contrib{$idx.':message'};
549: $message=~s/\n/\<br \/\>/g;
550: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>';
551: if ($idx > 0) {
552: $subject = 'Re: '.$contrib{$idx.':subject'};
553: }
554: }
555: if ($ENV{'form.previous'}) {
556: $prevtag = '<input type="hidden" name="previous" value="'.$ENV{'form.previous'}.'" />';
557: }
558: }
559: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();
560: my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders();
561: my $send=&mt('Send');
562: $r->print(<<ENDDOCUMENT);
563: <html>
564: <head>
565: <title>The LearningOnline Network with CAPA</title>
566: <meta http-equiv="pragma" content="no-cache"></meta>
567: $htmlheader
568: <script type="text/javascript">
569: //<!--
570: function gosubmit() {
571: var rec=0;
572: if (typeof(document.mailform.elements.author)!="undefined") {
573: if (document.mailform.elements.author.checked) {
574: rec=1;
575: }
576: }
577: if (typeof(document.mailform.elements.question)!="undefined") {
578: if (document.mailform.elements.question.checked) {
579: rec=1;
580: }
581: }
582: if (typeof(document.mailform.elements.course)!="undefined") {
583: if (document.mailform.elements.course.checked) {
584: rec=1;
585: }
586: }
587: if (typeof(document.mailform.elements.policy)!="undefined") {
588: if (document.mailform.elements.policy.checked) {
589: rec=1;
590: }
591: }
592: if (typeof(document.mailform.elements.discuss)!="undefined") {
593: if (document.mailform.elements.discuss.checked) {
594: rec=1;
595: }
596: }
597: if (typeof(document.mailform.elements.anondiscuss)!="undefined") {
598: if (document.mailform.elements.anondiscuss.checked) {
599: rec=1;
600: }
601: }
602:
603: if (rec) {
604: if (typeof(document.mailform.onsubmit)=='function') {
605: document.mailform.onsubmit();
606: }
607: document.mailform.submit();
608: } else {
609: alert('Please check a feedback type.');
610: }
611: }
612: //-->
613: </script>
614: </head>
615: $bodytag
616: <h2><tt>$title</tt></h2>
617: <form action="/adm/feedback" method="post" name="mailform"
618: enctype="multipart/form-data">
619: $prevtag
620: <input type="hidden" name="postdata" value="$feedurl" />
621: <input type="hidden" name="replydisc" value="$ENV{'form.replydisc'}" />
622: Please check at least one of the following feedback types:
623: $options<hr />
624: $quote
625: <p>My question/comment/feedback:</p>
626: <p>
627: $latexHelp
628: Title: <input type="text" name="subject" size="30" value="$subject" /></p>
629: <p>
630: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">
631: </textarea></p>
632: <p>
633: Attachment (128 KB max size): <input type="file" name="attachment" />
634: </p>
635: <p>
636: <input type="hidden" name="sendit" value="1" />
637: <input type="button" value="$send" onClick='gosubmit();' />
638: </p>
639: </form>
640: ENDDOCUMENT
641: $r->print(&generate_preview_button().
642: &Apache::lonhtmlcommon::htmlareaselectactive('comment').
643: '</body></html>');
644: }
645:
646: sub print_display_options {
647: my ($r,$symb,$previous,$dispchg,$markchg,$feedurl) = @_;
648: # backward compatibility (bulletin boards used to be 'wrapped')
649: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
650: $feedurl=~s|^/adm/wrapper||;
651: }
652:
653: my $function = &Apache::loncommon::get_users_function();
654: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
655: $ENV{'user.domain'});
656: my $bodytag=&Apache::loncommon::bodytag('Discussion options',
657: '','');
658:
659: my %lt = &Apache::lonlocal::texthash(
660: 'dido' => 'Discussion display options',
661: 'pref' => 'Display Preference',
662: 'curr' => 'Current setting ',
663: 'actn' => 'Action',
664: 'deff' => 'Default for all discussions',
665: 'prca' => 'Preferences can be set for this discussion that determine ....',
666: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',
667: 'unwh' => 'Under what circumstances posts are identfied as "New."',
668: 'allposts' => 'All posts',
669: 'unread' => 'New posts only',
670: 'ondisp' => 'Once displayed',
671: 'onmark' => 'Once marked as read',
672: 'disa' => 'Posts displayed?',
673: 'npmr' => 'New posts cease to be identified as "New"?',
674: 'chgt' => 'Change to ',
675: 'mkdf' => 'Set to ',
676: 'yhni' => 'You have not indicated that you wish to change either of the discussion settings',
677: 'ywbr' => 'You will be returned to the previous page if you click OK.'
678: );
679:
680: my $dispchange = $lt{'unread'};
681: my $markchange = $lt{'ondisp'};
682: my $currdisp = $lt{'allposts'};
683: my $currmark = $lt{'onmark'};
684: my $discdisp = 'allposts';
685: my $discmark = 'onmark';
686:
687: if ($dispchg eq 'allposts') {
688: $dispchange = $lt{'allposts'};
689: $currdisp = $lt{'unread'};
690: $discdisp = 'unread';
691: }
692:
693: if ($markchg eq 'markonread') {
694: $markchange = $lt{'onmark'};
695: $currmark = $lt{'ondisp'};
696: $discmark = 'ondisp';
697: }
698: $r->print(<<END);
699: <html>
700: <head>
701: <title>$lt{'dido'}</title>
702: <meta http-equiv="pragma" content="no-cache" />
703: <script>
704: function setDisp() {
705: var prev = "$previous"
706: var chktotal = 0
707: if (document.modifydisp.discdisp.checked == true) {
708: document.modifydisp.$dispchg.value = "$symb"
709: chktotal ++
710: }
711: if (document.modifydisp.discmark.checked == true) {
712: document.modifydisp.$markchg.value = "$symb"
713: chktotal ++
714: }
715: if (chktotal > 0) {
716: document.modifydisp.submit()
717: } else {
718: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) {
719: if (prev > 0) {
720: location.href = "$feedurl?previous=$previous"
721: } else {
722: location.href = "$feedurl"
723: }
724: }
725: }
726: }
727: </script>
728: </head>
729: $bodytag
730: <form name="modifydisp" method="post" action="/adm/feedback">
731: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li></ol>
732: <br />
733: <table border="0" cellpadding="0" cellspacing="0">
734: <tr>
735: <td width="100%" bgcolor="#000000">
736: <table width="100%" border="0" cellpadding="1" cellspacing="0">
737: <tr>
738: <td width="100%" bgcolor="#000000">
739: <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
740: <tr bgcolor="$tabcolor">
741: <td><b>$lt{'pref'}</b></td>
742: <td><b>$lt{'curr'}</b></td>
743: <td><b>$lt{'actn'}?</b></td>
744: </tr>
745: <tr bgcolor="#dddddd">
746: <td>$lt{'disa'}</td>
747: <td>$lt{$discdisp}</td>
748: <td><input type="checkbox" name="discdisp" /> $lt{'chgt'} "$dispchange"</td>
749: </tr><tr bgcolor="#eeeeee">
750: <td>$lt{'npmr'}</td>
751: <td>$lt{$discmark}</td>
752: <td><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</td>
753: </tr>
754: </table>
755: </td>
756: </tr>
757: </table>
758: </td>
759: </tr>
760: </table>
761: <br />
762: <br />
763: <input type="hidden" name="previous" value="$previous" />
764: <input type="hidden" name="$dispchg" value=""/>
765: <input type="hidden" name="$markchg" value=""/>
766: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />
767: <br />
768: <br />
769: </form>
770: </body>
771: </html>
772: END
773: return;
774: }
775:
776: sub fail_redirect {
777: my ($r,$feedurl) = @_;
778: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
779: $r->print (<<ENDFAILREDIR);
780: <html>
781: <head><title>Feedback not sent</title>
782: <meta http-equiv="pragma" content="no-cache" />
783: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
784: </head>
785: <body bgcolor="#FFFFFF">
786: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
787: <b>Sorry, no recipients ...</b>
788: <br /><a href="$feedurl">Continue</a>
789: </body>
790: </html>
791: ENDFAILREDIR
792: }
793:
794: sub redirect_back {
795: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous) = @_;
796: my $prevtag = '';
797: my $qrystr = '';
798: # backward compatibility (bulletin boards used to be 'wrapped')
799: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
800: $feedurl=~s|^/adm/wrapper||;
801: }
802:
803: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
804: if ($previous > 0) {
805: $qrystr = 'previous='.$previous;
806: if ($feedurl =~ /\?register=1/) {
807: $feedurl .= '&'.$qrystr;
808: } else {
809: $feedurl .= '?'.$qrystr;
810: }
811: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />';
812: }
813: $r->print (<<ENDREDIR);
814: <html>
815: <head>
816: <title>Feedback sent</title>
817: <meta http-equiv="pragma" content="no-cache" />
818: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
819: </head>
820: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
821: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
822: $typestyle
823: <b>Sent $sendsomething message(s), and $sendposts post(s).</b>
824: <font color="red">$status</font>
825: <form name="reldt" action="$feedurl" target="loncapaclient">
826: $prevtag
827: </form>
828: <br /><a href="$feedurl">Continue</a>
829: </body>
830: </html>
831: ENDREDIR
832: }
833:
834: sub no_redirect_back {
835: my ($r,$feedurl) = @_;
836: $r->print (<<ENDNOREDIR);
837: <html>
838: <head><title>Feedback not sent</title>
839: <meta http-equiv="pragma" content="no-cache" />
840: ENDNOREDIR
841:
842: if ($feedurl!~/^\/adm\/feedback/) {
843: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.$feedurl.'">');
844: }
845:
846: $r->print (<<ENDNOREDIRTWO);
847: </head>
848: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>
849: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
850: <b>Sorry, no feedback possible on this resource ...</b>
851: <br /><a href="$feedurl">Continue</a>
852: </body>
853: </html>
854: ENDNOREDIRTWO
855: }
856:
857: sub screen_header {
858: my ($feedurl) = @_;
859: my $msgoptions='';
860: my $discussoptions='';
861: unless ($ENV{'form.replydisc'}) {
862: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) {
863: $msgoptions=
864: '<p><input type="checkbox" name="author" /> '.
865: &mt('Feedback to resource author').'</p>';
866: }
867: if (&feedback_available(1)) {
868: $msgoptions.=
869: '<br /><input type="checkbox" name="question" /> '.
870: &mt('Question about resource content');
871: }
872: if (&feedback_available(0,1)) {
873: $msgoptions.=
874: '<br /><input type="checkbox" name="course" /> '.
875: &mt('Question/Comment/Feedback about course content');
876: }
877: if (&feedback_available(0,0,1)) {
878: $msgoptions.=
879: '<br /><input type="checkbox" name="policy" /> '.
880: &mt('Question/Comment/Feedback about course policy');
881: }
882: }
883: if ($ENV{'request.course.id'}) {
884: if (&discussion_open() &&
885: &Apache::lonnet::allowed('pch',
886: $ENV{'request.course.id'}.
887: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
888: $discussoptions='<input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '.
889: ($ENV{'form.replydisc'}?' checked="1"':'').' /> '.
890: &mt('Contribution to course discussion of resource');
891: $discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.
892: &mt('Anonymous contribution to course discussion of resource').
893: ' <i>('.&mt('name only visible to course faculty').')</i>';
894: }
895: }
896: if ($msgoptions) { $msgoptions='<h2><img src="/adm/lonMisc/feedback.gif" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }
897: if ($discussoptions) {
898: $discussoptions='<h2><img src="/adm/lonMisc/chat.gif" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }
899: return $msgoptions.$discussoptions;
900: }
901:
902: sub resource_output {
903: my ($feedurl) = @_;
904: my $usersaw=&Apache::lonnet::ssi_body($feedurl);
905: $usersaw=~s/\<body[^\>]*\>//gi;
906: $usersaw=~s/\<\/body\>//gi;
907: $usersaw=~s/\<html\>//gi;
908: $usersaw=~s/\<\/html\>//gi;
909: $usersaw=~s/\<head\>//gi;
910: $usersaw=~s/\<\/head\>//gi;
911: $usersaw=~s/action\s*\=/would_be_action\=/gi;
912: return $usersaw;
913: }
914:
915: sub clear_out_html {
916: my ($message,$override)=@_;
917: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
918: my $cid=$ENV{'request.course.id'};
919: if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) ||
920: ($override)) {
921: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
922: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
923: # <SUP>
924: my %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
925: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
926: M=>1, SUB=>1, SUP=>1, SPAN=>1,
927: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
928:
929: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
930: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge;
931: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
932: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge;
933: } else {
934: $message=~s/\</\<\;/g;
935: $message=~s/\>/\>\;/g;
936: }
937: return $message;
938: }
939:
940: sub assemble_email {
941: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;
942: my $email=<<"ENDEMAIL";
943: Refers to <a href="$feedurl">$feedurl</a>
944:
945: $message
946: ENDEMAIL
947: my $citations=<<"ENDCITE";
948: <h2>Previous attempts of student (if applicable)</h2>
949: $prevattempts
950: <br /><hr />
951: <h2>Original screen output (if applicable)</h2>
952: $usersaw
953: <h2>Correct Answer(s) (if applicable)</h2>
954: $useranswer
955: ENDCITE
956: return ($email,$citations);
957: }
958:
959: sub secapply {
960: my $rec=shift;
961: my $defaultflag=shift;
962: $rec=~s/\s+//g;
963: $rec=~s/\@/\:/g;
964: my ($adr,$sections)=($rec=~/^([^\(]+)\(([^\)]+)\)/);
965: if ($sections) {
966: foreach (split(/\;/,$sections)) {
967: if (($_ eq $ENV{'request.course.sec'}) ||
968: ($defaultflag && ($_ eq '*'))) {
969: return $adr;
970: }
971: }
972: } else {
973: return $rec;
974: }
975: return '';
976: }
977:
978: sub decide_receiver {
979: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
980: my $typestyle='';
981: my %to=();
982: if ($ENV{'form.author'}||$author) {
983: $typestyle.='Submitting as Author Feedback<br>';
984: $feedurl=~/^\/res\/(\w+)\/(\w+)\//;
985: $to{$2.':'.$1}=1;
986: }
987: if ($ENV{'form.question'}||$question) {
988: $typestyle.='Submitting as Question<br>';
989: foreach (split(/\,/,
990: $ENV{'course.'.$ENV{'request.course.id'}.'.question.email'})
991: ) {
992: my $rec=&secapply($_,$defaultflag);
993: if ($rec) { $to{$rec}=1; }
994: }
995: }
996: if ($ENV{'form.course'}||$course) {
997: $typestyle.='Submitting as Comment<br />';
998: foreach (split(/\,/,
999: $ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'})
1000: ) {
1001: my $rec=&secapply($_,$defaultflag);
1002: if ($rec) { $to{$rec}=1; }
1003: }
1004: }
1005: if ($ENV{'form.policy'}||$policy) {
1006: $typestyle.='Submitting as Policy Feedback<br />';
1007: foreach (split(/\,/,
1008: $ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'})
1009: ) {
1010: my $rec=&secapply($_,$defaultflag);
1011: if ($rec) { $to{$rec}=1; }
1012: }
1013: }
1014: if ((scalar(%to) eq '0') && (!$defaultflag)) {
1015: ($typestyle,%to)=
1016: &decide_receiver($feedurl,$author,$question,$course,$policy,1);
1017: }
1018: return ($typestyle,%to);
1019: }
1020:
1021: sub feedback_available {
1022: my ($question,$course,$policy)=@_;
1023: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);
1024: return scalar(%to);
1025: }
1026:
1027: sub send_msg {
1028: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_;
1029: my $status='';
1030: my $sendsomething=0;
1031: foreach (keys %to) {
1032: if ($_) {
1033: my $declutter=&Apache::lonnet::declutter($feedurl);
1034: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),
1035: 'Feedback ['.$declutter.']',$email,$citations,$feedurl,
1036: $attachmenturl)=~/ok/) {
1037: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';
1038: } else {
1039: $sendsomething++;
1040: }
1041: }
1042: }
1043:
1044: my %record=&Apache::lonnet::restore('_feedback');
1045: my ($temp)=keys %record;
1046: unless ($temp=~/^error\:/) {
1047: my %newrecord=();
1048: $newrecord{'resource'}=$feedurl;
1049: $newrecord{'subnumber'}=$record{'subnumber'}+1;
1050: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
1051: $status.='<br />'.&mt('Not registered').'<br />';
1052: }
1053: }
1054:
1055: return ($status,$sendsomething);
1056: }
1057:
1058: sub adddiscuss {
1059: my ($symb,$email,$anon,$attachmenturl,$subject)=@_;
1060: my $status='';
1061: if (&discussion_open() &&
1062: &Apache::lonnet::allowed('pch',$ENV{'request.course.id'}.
1063: ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {
1064:
1065: my %contrib=('message' => $email,
1066: 'sendername' => $ENV{'user.name'},
1067: 'senderdomain' => $ENV{'user.domain'},
1068: 'screenname' => $ENV{'environment.screenname'},
1069: 'plainname' => $ENV{'environment.firstname'}.' '.
1070: $ENV{'environment.middlename'}.' '.
1071: $ENV{'environment.lastname'}.' '.
1072: $ENV{'enrironment.generation'},
1073: 'attachmenturl'=> $attachmenturl,
1074: 'subject' => $subject);
1075: if ($ENV{'form.replydisc'}) {
1076: $contrib{'replyto'}=(split(/\:\:\:/,$ENV{'form.replydisc'}))[1];
1077: }
1078: if ($anon) {
1079: $contrib{'anonymous'}='true';
1080: }
1081: if (($symb) && ($email)) {
1082: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
1083: &Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},
1084: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1085: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1086: my %storenewentry=($symb => time);
1087: $status.='<br />'.&mt('Updating discussion time').': '.
1088: &Apache::lonnet::put('discussiontimes',\%storenewentry,
1089: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1090: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1091: }
1092: my %record=&Apache::lonnet::restore('_discussion');
1093: my ($temp)=keys %record;
1094: unless ($temp=~/^error\:/) {
1095: my %newrecord=();
1096: $newrecord{'resource'}=$symb;
1097: $newrecord{'subnumber'}=$record{'subnumber'}+1;
1098: $status.='<br />'.&mt('Registering').': '.
1099: &Apache::lonnet::cstore(\%newrecord,'_discussion');
1100: }
1101: } else {
1102: $status.='Failed.';
1103: }
1104: return $status.'<br />';
1105: }
1106:
1107: # ----------------------------------------------------------- Preview function
1108:
1109: sub show_preview {
1110: my $r=shift;
1111: my $message=&clear_out_html($ENV{'form.comment'});
1112: $message=~s/\n/\<br \/\>/g;
1113: $message=&Apache::lontexconvert::msgtexconverted($message);
1114: my $subject=&clear_out_html($ENV{'form.subject'});
1115: $subject=~s/\n/\<br \/\>/g;
1116: $subject=&Apache::lontexconvert::msgtexconverted($subject);
1117: $r->print('<table border="2"><tr><td>'.
1118: '<b>Subject:</b> '.$subject.'<br /><br />'.
1119: $message.'</td></tr></table>');
1120: }
1121:
1122: sub generate_preview_button {
1123: my $pre=&mt("Show Preview");
1124: return(<<ENDPREVIEW);
1125: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
1126: <input type="hidden" name="subject">
1127: <input type="hidden" name="comment" />
1128: <input type="button" value="$pre"
1129: onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=document.mailform.comment.value;this.form.subject.value=document.mailform.subject.value;this.form.submit();" />
1130: </form>
1131: ENDPREVIEW
1132: }
1133:
1134: sub handler {
1135: my $r = shift;
1136: if ($r->header_only) {
1137: &Apache::loncommon::content_type($r,'text/html');
1138: $r->send_http_header;
1139: return OK;
1140: }
1141:
1142: # --------------------------- Get query string for limited number of parameters
1143:
1144: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1145: ['hide','unhide','deldisc','postdata','preview','replydisc','threadedon','threadedoff','onlyunread','allposts','previous','markread','markonread','markondisp','modifydisp','changes','navmaps','navurl']);
1146: if ($ENV{'form.navmaps'}) {
1147: my %discinfo = ();
1148: my @resources = ();
1149: if ($ENV{'form.navmaps'} =~ /:/) {
1150: @resources = split/:/,$ENV{'form.navmaps'};
1151: } else {
1152: @resources = ("$ENV{'form.navmaps'}");
1153: }
1154: my $numitems = @resources;
1155: my $feedurl = '/adm/navmaps';
1156: if ($ENV{'form.navurl'}) {
1157: $feedurl .= '?'.$ENV{'form.navurl'};
1158: }
1159: my %lt = &Apache::lonlocal::texthash(
1160: 'mnpa' => 'Marked "New" posts as read in a total of',
1161: 'robb' => 'resources/bulletin boards.'
1162: );
1163: foreach (@resources) {
1164: # backward compatibility (bulletin boards used to be 'wrapped')
1165: my $ressymb=$_;
1166: if ($ressymb =~ m/bulletin___\d+___/) {
1167: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
1168: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper/|;
1169: }
1170: }
1171: my $lastkey = $ressymb.'_lastread';
1172: $discinfo{$lastkey} = time;
1173: }
1174: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
1175: &Apache::loncommon::content_type($r,'text/html');
1176: $r->send_http_header;
1177: $r->print (<<ENDREDIR);
1178: <html>
1179: <head>
1180: <title>New posts marked as read</title>
1181: <meta http-equiv="pragma" content="no-cache" />
1182: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
1183: </head>
1184: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
1185: <img align="right" src="/adm/lonIcons/lonlogos.gif" />
1186: <b>$lt{'mnpa'} $numitems $lt{'robb'}</b>
1187: <form name="reldt" action="$feedurl" target="loncapaclient">
1188: </form>
1189: <br /><a href="$feedurl">Continue</a>
1190: </body>
1191: </html>
1192: ENDREDIR
1193: return OK;
1194: } elsif ($ENV{'form.modifydisp'}) {
1195: &Apache::loncommon::content_type($r,'text/html');
1196: $r->send_http_header;
1197: my $symb=$ENV{'form.modifydisp'};
1198: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1199: my $previous=$ENV{'form.previous'};
1200: my ($dispchg,$markchg) = split/_/,$ENV{'form.changes'};
1201: my $feedurl = &Apache::lonnet::clutter($url);
1202: # backward compatibility (bulletin boards used to be 'wrapped')
1203: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1204: $feedurl=~s|^/adm/wrapper||;
1205: }
1206: &print_display_options($r,$symb,$previous,$dispchg,$markchg,$feedurl);
1207: return OK;
1208: } elsif (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'}) || ($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) ) {
1209: &Apache::loncommon::content_type($r,'text/html');
1210: $r->send_http_header;
1211: my $previous=$ENV{'form.previous'};
1212: my ($map,$ind,$url);
1213: if (($ENV{'form.markondisp'}) || ($ENV{'form.markonread'})) {
1214: # ---------------------- Modify setting for identification of 'NEW' posts in this discussion
1215: my $symb=$ENV{'form.markondisp'}?$ENV{'form.markondisp'}:$ENV{'form.markonread'};
1216: my $ressymb = $symb;
1217: ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1218: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
1219: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
1220: }
1221: my %discinfo = ();
1222: my $lastkey = $ressymb.'_lastread';
1223: my $ondispkey = $ressymb.'_markondisp';
1224: if ($ENV{'form.markondisp'}) {
1225: $discinfo{$lastkey} = time;
1226: $discinfo{$ondispkey} = 1;
1227: } elsif ($ENV{'form.markonread'}) {
1228: if ( $previous > 0 ) {
1229: $discinfo{$lastkey} = $previous;
1230: }
1231: $discinfo{$ondispkey} = 0;
1232: }
1233: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
1234: }
1235: if (($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'})) {
1236: # ----------------------------------------------------------------- Modify display setting for this discussion
1237: my $symb=$ENV{'form.allposts'}?$ENV{'form.allposts'}:$ENV{'form.onlyunread'};
1238: my $ressymb = $symb;
1239: ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1240: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
1241: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
1242: }
1243: my %discinfo = ();
1244: if ($ENV{'form.allposts'}) {
1245: $discinfo{$ressymb.'_showonlyunread'} = 0;
1246: } elsif ($ENV{'form.onlyunread'}) {
1247: $discinfo{$ressymb.'_showonlyunread'} = 1;
1248: }
1249: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
1250: }
1251: if (($ENV{'form.markonread'}) || ($ENV{'form.allposts'}) || ($ENV{'form.onlyunread'}) ) {
1252: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0','',$previous);
1253: } else {
1254: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed display status').'<br />','0','0');
1255: }
1256: return OK;
1257: } elsif ($ENV{'form.markread'}) {
1258: # ----------------------------------------------------------------- Mark new posts as read
1259: &Apache::loncommon::content_type($r,'text/html');
1260: $r->send_http_header;
1261: my $symb=$ENV{'form.markread'};
1262: my $ressymb = $symb;
1263: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1264: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) {
1265: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|;
1266: }
1267: my %discinfo = ();
1268: my $lastkey = $ressymb.'_lastread';
1269: $discinfo{$lastkey} = time;
1270: &Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});
1271: &redirect_back($r,&Apache::lonnet::clutter($url),&mt('Changed reading status').'<br />','0','0');
1272: return OK;
1273: } elsif (($ENV{'form.hide'}) || ($ENV{'form.unhide'})) {
1274: # ----------------------------------------------------------------- Hide/unhide
1275: &Apache::loncommon::content_type($r,'text/html');
1276: $r->send_http_header;
1277:
1278: my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};
1279:
1280: my ($symb,$idx)=split(/\:\:\:/,$entry);
1281: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1282:
1283: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
1284: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1285: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1286:
1287:
1288: my $currenthidden=$contrib{'hidden'};
1289:
1290: if ($ENV{'form.hide'}) {
1291: $currenthidden.='.'.$idx.'.';
1292: } else {
1293: $currenthidden=~s/\.$idx\.//g;
1294: }
1295: my %newhash=('hidden' => $currenthidden);
1296:
1297: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
1298: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1299: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1300:
1301: &redirect_back($r,&Apache::lonnet::clutter($url),
1302: &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});
1303: } elsif (($ENV{'form.threadedon'}) || ($ENV{'form.threadedoff'})) {
1304: &Apache::loncommon::content_type($r,'text/html');
1305: $r->send_http_header;
1306: if ($ENV{'form.threadedon'}) {
1307: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
1308: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
1309: } else {
1310: &Apache::lonnet::del('environment',['threadeddiscussion']);
1311: &Apache::lonnet::delenv('environment\.threadeddiscussion');
1312: }
1313: my $symb=$ENV{'form.threadedon'}?$ENV{'form.threadedon'}:$ENV{'form.threadedoff'};
1314: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1315: &redirect_back($r,&Apache::lonnet::clutter($url),
1316: &mt('Changed discussion view mode').'<br />','0','0','',$ENV{'form.previous'});
1317: } elsif ($ENV{'form.deldisc'}) {
1318: # --------------------------------------------------------------- Hide for good
1319: &Apache::loncommon::content_type($r,'text/html');
1320: $r->send_http_header;
1321:
1322: my $entry=$ENV{'form.deldisc'};
1323:
1324: my ($symb,$idx)=split(/\:\:\:/,$entry);
1325: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
1326:
1327: my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
1328: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1329: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1330:
1331:
1332: my $currentdeleted=$contrib{'deleted'};
1333:
1334: $currentdeleted.='.'.$idx.'.';
1335:
1336: my %newhash=('deleted' => $currentdeleted);
1337:
1338: &Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},
1339: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
1340: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1341:
1342: &redirect_back($r,&Apache::lonnet::clutter($url),
1343: &mt('Changed discussion status').'<br />','0','0','',$ENV{'form.previous'});
1344: } elsif ($ENV{'form.preview'}) {
1345: # -------------------------------------------------------- User wants a preview
1346: $r->content_type('text/html');
1347: $r->send_http_header;
1348: &show_preview($r);
1349: } else {
1350: # ------------------------------------------------------------- Normal feedback
1351: my $feedurl=$ENV{'form.postdata'};
1352: $feedurl=~s/^http\:\/\///;
1353: $feedurl=~s/^$ENV{'SERVER_NAME'}//;
1354: $feedurl=~s/^$ENV{'HTTP_HOST'}//;
1355: $feedurl=~s/\?.+$//;
1356:
1357: my $symb;
1358: if ($ENV{'form.replydisc'}) {
1359: $symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];
1360: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
1361: $feedurl=&Apache::lonnet::clutter($url);
1362: } else {
1363: $symb=&Apache::lonnet::symbread($feedurl);
1364: }
1365: unless ($symb) {
1366: $symb=$ENV{'form.symb'};
1367: if ($symb) {
1368: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
1369: $feedurl=&Apache::lonnet::clutter($url);
1370: }
1371: }
1372: my $goahead=1;
1373: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) {
1374: unless ($symb) { $goahead=0; }
1375: }
1376: # backward compatibility (bulletin boards used to be 'wrapped')
1377: if ($feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) {
1378: $feedurl=~s|^/adm/wrapper||;
1379: }
1380: if ($goahead) {
1381: # Go ahead with feedback, no ambiguous reference
1382: &Apache::loncommon::content_type($r,'text/html');
1383: $r->send_http_header;
1384:
1385: if (
1386: (
1387: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
1388: )
1389: ||
1390: ($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))
1391: ||
1392: ($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
1393: ) {
1394: # --------------------------------------------------- Print login screen header
1395: unless ($ENV{'form.sendit'}) {
1396: my $options=&screen_header($feedurl);
1397: if ($options) {
1398: &mail_screen($r,$feedurl,$options);
1399: } else {
1400: &fail_redirect($r,$feedurl);
1401: }
1402: } else {
1403:
1404: # Get previous user input
1405: my $prevattempts=&Apache::loncommon::get_previous_attempt(
1406: $symb,$ENV{'user.name'},$ENV{'user.domain'},
1407: $ENV{'request.course.id'});
1408:
1409: # Get output from resource
1410: my $usersaw=&resource_output($feedurl);
1411:
1412: # Get resource answer (need to allow student to view grades for this to work)
1413: &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
1414: my $useranswer=&Apache::loncommon::get_student_answers(
1415: $symb,$ENV{'user.name'},$ENV{'user.domain'},
1416: $ENV{'request.course.id'});
1417: &Apache::lonnet::delenv('allowed.vgr');
1418: # Get attachments, if any, and not too large
1419: my $attachmenturl='';
1420: if ($ENV{'form.attachment.filename'}) {
1421: unless (length($ENV{'form.attachment'})>131072) {
1422: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');
1423: }
1424: }
1425: # Filter HTML out of message (could be nasty)
1426: my $message=&clear_out_html($ENV{'form.comment'});
1427:
1428: # Assemble email
1429: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,
1430: $usersaw,$useranswer);
1431:
1432: # Who gets this?
1433: my ($typestyle,%to) = &decide_receiver($feedurl);
1434:
1435: # Actually send mail
1436: my ($status,$numsent)=&send_msg($feedurl,$email,$citations,
1437: $attachmenturl,%to);
1438:
1439: # Discussion? Store that.
1440:
1441: my $numpost=0;
1442: if ($ENV{'form.discuss'}) {
1443: my $subject = &clear_out_html($ENV{'form.subject'});
1444: $typestyle.=&adddiscuss($symb,$message,0,$attachmenturl,$subject);
1445: $numpost++;
1446: }
1447:
1448: if ($ENV{'form.anondiscuss'}) {
1449: my $subject = &clear_out_html($ENV{'form.subject'});
1450: $typestyle.=&adddiscuss($symb,$message,1,$attachmenturl,$subject);
1451: $numpost++;
1452: }
1453:
1454:
1455: # Receipt screen and redirect back to where came from
1456: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$ENV{'form.previous'});
1457:
1458: }
1459: } else {
1460: # Unable to give feedback
1461: &no_redirect_back($r,$feedurl);
1462: }
1463: } else {
1464: # Ambiguous Problem Resource
1465: if ( &Apache::lonnet::mod_perl_version() == 2 ) {
1466: &Apache::lonnet::cleanenv();
1467: }
1468: $r->internal_redirect('/adm/ambiguous');
1469: }
1470: }
1471: return OK;
1472: }
1473:
1474: 1;
1475: __END__
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