1: # The LearningOnline Network with CAPA
2: # Handler to set parameters for assessments
3: #
4: # $Id: lonparmset.pm,v 1.44 2002/02/12 06:28:23 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: # (Handler to resolve ambiguous file locations
29: #
30: # (TeX Content Handler
31: #
32: # YEAR=2000
33: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
34: #
35: # 10/11,10/12,10/16 Gerd Kortemeyer)
36: #
37: # 11/20,11/21,11/22,11/23,11/24,11/25,11/27,11/28,
38: # 12/08,12/12,
39: # YEAR=2001
40: # 16/01/01,02/08,03/20,03/23,03/24,03/26,05/09,
41: # 07/05,07/06,08/08,08/09,09/01,09/21 Gerd Kortemeyer
42: # 12/17 Scott Harrison
43: # 12/19 Guy Albertelli
44: # 12/26,12/27 Gerd Kortemeyer
45: #
46: ###
47:
48: package Apache::lonparmset;
49:
50: use strict;
51: use Apache::lonnet;
52: use Apache::Constants qw(:common :http REDIRECT);
53: use Apache::loncommon;
54: use GDBM_File;
55:
56:
57: my %courseopt;
58: my %useropt;
59: my %parmhash;
60:
61: my @ids;
62: my %symbp;
63: my %mapp;
64: my %typep;
65: my %keyp;
66:
67: my $uname;
68: my $udom;
69: my $uhome;
70: my $csec;
71:
72: # -------------------------------------------- Figure out a cascading parameter
73:
74: sub parmval {
75: my ($what,$id,$def)=@_;
76: my $result='';
77: my @outpar=();
78: # ----------------------------------------------------- Cascading lookup scheme
79:
80: my $symbparm=$symbp{$id}.'.'.$what;
81: my $mapparm=$mapp{$id}.'___(all).'.$what;
82:
83: my $seclevel=$ENV{'request.course.id'}.'.['.$csec.'].'.$what;
84: my $seclevelr=$ENV{'request.course.id'}.'.['.$csec.'].'.$symbparm;
85: my $seclevelm=$ENV{'request.course.id'}.'.['.$csec.'].'.$mapparm;
86:
87: my $courselevel=$ENV{'request.course.id'}.'.'.$what;
88: my $courselevelr=$ENV{'request.course.id'}.'.'.$symbparm;
89: my $courselevelm=$ENV{'request.course.id'}.'.'.$mapparm;
90:
91: # -------------------------------------------------------- first, check default
92:
93: if ($def) { $outpar[11]=$def; $result=11; }
94:
95: # ----------------------------------------------------- second, check map parms
96:
97: my $thisparm=$parmhash{$symbparm};
98: if ($thisparm) { $outpar[10]=$thisparm; $result=10; }
99:
100: # --------------------------------------------------------- third, check course
101:
102: if ($courseopt{$courselevel}) {
103: $outpar[9]=$courseopt{$courselevel};
104: $result=9;
105: }
106:
107: if ($courseopt{$courselevelm}) {
108: $outpar[8]=$courseopt{$courselevelm};
109: $result=8;
110: }
111:
112: if ($courseopt{$courselevelr}) {
113: $outpar[7]=$courseopt{$courselevelr};
114: $result=7;
115: }
116:
117: if ($csec) {
118: if ($courseopt{$seclevel}) {
119: $outpar[6]=$courseopt{$seclevel};
120: $result=6;
121: }
122: if ($courseopt{$seclevelm}) {
123: $outpar[5]=$courseopt{$seclevelm};
124: $result=5;
125: }
126:
127: if ($courseopt{$seclevelr}) {
128: $outpar[4]=$courseopt{$seclevelr};
129: $result=4;
130: }
131: }
132:
133: # ---------------------------------------------------------- fourth, check user
134:
135: if ($uname) {
136: if ($useropt{$courselevel}) {
137: $outpar[3]=$useropt{$courselevel};
138: $result=3;
139: }
140:
141: if ($useropt{$courselevelm}) {
142: $outpar[2]=$useropt{$courselevelm};
143: $result=2;
144: }
145:
146: if ($useropt{$courselevelr}) {
147: $outpar[1]=$useropt{$courselevelr};
148: $result=1;
149: }
150: }
151:
152: return ($result,@outpar);
153: }
154:
155: # ------------------------------------------------------------ Output for value
156:
157: sub valout {
158: my ($value,$type)=@_;
159: return ($value?(($type=~/^date/)?localtime($value):$value):' ');
160: }
161:
162: # -------------------------------------------------------- Produces link anchor
163:
164: sub plink {
165: my ($type,$dis,$value,$marker,$return,$call)=@_;
166: my $winvalue=$value;
167: unless ($winvalue) {
168: if ($type=~/^date/) {
169: $winvalue=$ENV{'form.recent_'.$type};
170: } else {
171: $winvalue=$ENV{'form.recent_'.(split(/\_/,$type))[0]};
172: }
173: }
174: return
175: '<a href="javascript:pjump('."'".$type."','".$dis."','".$winvalue."','"
176: .$marker."','".$return."','".$call."'".');">'.
177: &valout($value,$type).'</a><a name="'.$marker.'"></a>';
178: }
179:
180:
181: sub startpage {
182: my ($r,$id,$udom,$csec,$uname)=@_;
183: $r->content_type('text/html');
184: $r->send_http_header;
185: $r->print(<<ENDHEAD);
186: <html>
187: <head>
188: <title>LON-CAPA Course Parameters</title>
189: <script>
190:
191: function pclose() {
192: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
193: "height=350,width=350,scrollbars=no,menubar=no");
194: parmwin.close();
195: }
196:
197: function pjump(type,dis,value,marker,ret,call) {
198: document.parmform.pres_marker.value='';
199: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
200: +"&value="+escape(value)+"&marker="+escape(marker)
201: +"&return="+escape(ret)
202: +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
203: "height=350,width=350,scrollbars=no,menubar=no");
204:
205: }
206:
207: function psub() {
208: pclose();
209: if (document.parmform.pres_marker.value!='') {
210: document.parmform.action+='#'+document.parmform.pres_marker.value;
211: var typedef=new Array();
212: typedef=document.parmform.pres_type.value.split('_');
213: if (document.parmform.pres_type.value!='') {
214: if (typedef[0]=='date') {
215: eval('document.parmform.recent_'+
216: document.parmform.pres_type.value+
217: '.value=document.parmform.pres_value.value;');
218: } else {
219: eval('document.parmform.recent_'+typedef[0]+
220: '.value=document.parmform.pres_value.value;');
221: }
222: }
223: document.parmform.submit();
224: } else {
225: document.parmform.pres_value.value='';
226: document.parmform.pres_marker.value='';
227: }
228: }
229:
230: </script>
231: </head>
232: <body bgcolor="#FFFFFF" onUnload="pclose()">
233: <h1>Set Course Parameters</h1>
234: <form method="post" action="/adm/parmset" name="envform">
235: <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
236: <h3>Course Environment</h3>
237: <input type="submit" name="crsenv" value="Set Course Environment">
238: </form>
239: <form method="post" action="/adm/parmset" name="parmform">
240: <h3>Course Assessments</h3>
241: <b>
242: Section/Group:
243: <input type="text" value="$csec" size="6" name="csec">
244: <br>
245: For User
246: <input type="text" value="$uname" size="12" name="uname">
247: or ID
248: <input type="text" value="$id" size="12" name="id">
249: at Domain
250: <input type="text" value="$udom" size="6" name="udom">
251: </b>
252: <input type="hidden" value='' name="pres_value">
253: <input type="hidden" value='' name="pres_type">
254: <input type="hidden" value='' name="pres_marker">
255: ENDHEAD
256:
257: }
258:
259: sub print_row {
260: my ($r,$which,$part,$name,$rid,$default,$type,$display,$defbgone,
261: $defbgtwo)=@_;
262: my ($result,@outpar)=&parmval($$part{$which}.'.'.$$name{$which},
263: $rid,$$default{$which});
264: $r->print("<td bgcolor=".$defbgtwo.
265: '>'.$$part{$which}.'</td><td bgcolor='.$defbgone.
266: '>'.$$display{$which}.'</td>');
267: my $thismarker=$which;
268: $thismarker=~s/^parameter\_//;
269: my $mprefix=$rid.'&'.$thismarker.'&';
270:
271: &print_td($r,11,'#FFDDDD',$result,\@outpar,$mprefix,$_,$type,$display);
272: &print_td($r,10,'#FFDDDD',$result,\@outpar,$mprefix,$_,$type,$display);
273: &print_td($r,9,$defbgone,$result,\@outpar,$mprefix,$_,$type,$display);
274: &print_td($r,8,$defbgone,$result,\@outpar,$mprefix,$_,$type,$display);
275: &print_td($r,7,$defbgone,$result,\@outpar,$mprefix,$_,$type,$display);
276: if ($csec) {
277: &print_td($r,6,$defbgtwo,$result,\@outpar,$mprefix,$_,$type,$display);
278: &print_td($r,5,$defbgtwo,$result,\@outpar,$mprefix,$_,$type,$display);
279: &print_td($r,4,$defbgtwo,$result,\@outpar,$mprefix,$_,$type,$display);
280: }
281: if ($uname) {
282: &print_td($r,3,$defbgone,$result,\@outpar,$mprefix,$_,$type,$display);
283: &print_td($r,2,$defbgone,$result,\@outpar,$mprefix,$_,$type,$display);
284: &print_td($r,1,$defbgone,$result,\@outpar,$mprefix,$_,$type,$display);
285: }
286: $r->print('<td bgcolor=#CCCCFF>'.&valout($outpar[$result],$$type{$which}).'</td>');
287: my $sessionval=&Apache::lonnet::EXT('resource.'.$$part{$which}.
288: '.'.$$name{$which},$symbp{$rid});
289: $r->print('<td bgcolor=#999999><font color=#FFFFFF>'.
290: &valout($sessionval,$$type{$which}).' '.
291: '</font></td>');
292: $r->print('</tr>');
293: }
294:
295: sub print_td {
296: my ($r,$which,$defbg,$result,$outpar,$mprefix,$value,$type,$display)=@_;
297: $r->print('<td bgcolor='.(($result==$which)?'"#AAFFAA"':$defbg).'>'.
298: &plink($$type{$value},$$display{$value},$$outpar[$which],
299: $mprefix."$which",'parmform.pres','psub').'</td>');
300: }
301:
302: sub assessparms {
303:
304: my $r=shift;
305: # -------------------------------------------------------- Variable declaration
306: my %allkeys;
307: my %allmaps;
308: my %defp;
309: %courseopt=();
310: %useropt=();
311: my %bighash=();
312:
313: @ids=();
314: %symbp=();
315: %typep=();
316:
317: my $message='';
318:
319: $csec=$ENV{'form.csec'};
320: $udom=$ENV{'form.udom'};
321: unless ($udom) { $udom=$r->dir_config('lonDefDomain'); }
322:
323: my $pscat=$ENV{'form.pscat'};
324: my $pschp=$ENV{'form.pschp'};
325: my $pssymb='';
326:
327: # ----------------------------------------------- Was this started from grades?
328:
329: if (($ENV{'form.command'} eq 'set') && ($ENV{'form.url'})
330: && (!$ENV{'form.dis'})) {
331: my $url=$ENV{'form.url'};
332: $url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
333: $pssymb=&Apache::lonnet::symbread($url);
334: $pscat='all';
335: $pschp='';
336: } elsif ($ENV{'form.symb'}) {
337: $pssymb=$ENV{'form.symb'};
338: $pscat='all';
339: $pschp='';
340: } else {
341: $ENV{'form.url'}='';
342: }
343:
344: my $id=$ENV{'form.id'};
345: if (($id) && ($udom)) {
346: $uname=(&Apache::lonnet::idget($udom,$id))[1];
347: if ($uname) {
348: $id='';
349: } else {
350: $message=
351: "<font color=red>Unknown ID '$id' at domain '$udom'</font>";
352: }
353: } else {
354: $uname=$ENV{'form.uname'};
355: }
356: unless ($udom) { $uname=''; }
357: $uhome='';
358: if ($uname) {
359: $uhome=&Apache::lonnet::homeserver($uname,$udom);
360: if ($uhome eq 'no_host') {
361: $message=
362: "<font color=red>Unknown user '$uname' at domain '$udom'</font>";
363: $uname='';
364: } else {
365: $csec=&Apache::lonnet::usection($udom,$uname,
366: $ENV{'request.course.id'});
367: if ($csec eq '-1') {
368: $message="<font color=red>".
369: "User '$uname' at domain '$udom' not in this course</font>";
370: $uname='';
371: $csec=$ENV{'form.csec'};
372: } else {
373: my %name=&Apache::lonnet::userenvironment($udom,$uname,
374: ('firstname','middlename','lastname','generation','id'));
375: $message="\n<p>\nFull Name: ".
376: $name{'firstname'}.' '.$name{'middlename'}.' '
377: .$name{'lastname'}.' '.$name{'generation'}.
378: "<br>\nID: ".$name{'id'}.'<p>';
379: }
380: }
381: }
382:
383: unless ($csec) { $csec=''; }
384:
385: my $fcat=$ENV{'form.fcat'};
386: unless ($fcat) { $fcat=''; }
387:
388: # ------------------------------------------------------------------- Tie hashs
389: if (!(tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
390: &GDBM_READER,0640))) {
391: $r->print("Unable to access course data. (File $ENV{'request.course.fn'}.db not tieable)");
392: return ;
393: }
394: if (!(tie(%parmhash,'GDBM_File',
395: $ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640))) {
396: $r->print("Unable to access parameter data. (File $ENV{'request.course.fn'}_parms.db not tieable)");
397: return ;
398: }
399: # --------------------------------------------------------- Get all assessments
400: foreach (keys %bighash) {
401: if ($_=~/^src\_(\d+)\.(\d+)$/) {
402: my $mapid=$1;
403: my $resid=$2;
404: my $id=$mapid.'.'.$resid;
405: my $srcf=$bighash{$_};
406: if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
407: $ids[$#ids+1]=$id;
408: $typep{$id}=$1;
409: $keyp{$id}='';
410: foreach (split(/\,/,
411: &Apache::lonnet::metadata($srcf,'keys'))) {
412: if ($_=~/^parameter\_(.*)/) {
413: my $key=$_;
414: my $allkey=$1;
415: $allkey=~s/\_/\./;
416: my $display=
417: &Apache::lonnet::metadata($srcf,$key.'.display');
418: unless ($display) {
419: $display=
420: &Apache::lonnet::metadata($srcf,$key.'.name');
421: }
422: $allkeys{$allkey}=$display;
423: if ($allkey eq $fcat) {
424: $defp{$id}=
425: &Apache::lonnet::metadata($srcf,$key);
426: }
427: if ($keyp{$id}) {
428: $keyp{$id}.=','.$key;
429: } else {
430: $keyp{$id}=$key;
431: }
432: }
433: }
434: $mapp{$id}=
435: &Apache::lonnet::declutter($bighash{'map_id_'.$mapid});
436: $allmaps{$mapid}=$mapp{$id};
437: $symbp{$id}=$mapp{$id}.
438: '___'.$resid.'___'.
439: &Apache::lonnet::declutter($srcf);
440: }
441: }
442: }
443: # ---------------------------------------------------------- Anything to store?
444: if ($ENV{'form.pres_marker'}) {
445: my ($sresid,$spnam,$snum)=split(/\&/,$ENV{'form.pres_marker'});
446: $spnam=~s/\_([^\_]+)$/\.$1/;
447: # ---------------------------------------------------------- Construct prefixes
448:
449: my $symbparm=$symbp{$sresid}.'.'.$spnam;
450: my $mapparm=$mapp{$sresid}.'___(all).'.$spnam;
451:
452: my $seclevel=$ENV{'request.course.id'}.'.['.$csec.'].'.$spnam;
453: my $seclevelr=$ENV{'request.course.id'}.'.['.$csec.'].'.$symbparm;
454: my $seclevelm=$ENV{'request.course.id'}.'.['.$csec.'].'.$mapparm;
455:
456: my $courselevel=$ENV{'request.course.id'}.'.'.$spnam;
457: my $courselevelr=$ENV{'request.course.id'}.'.'.$symbparm;
458: my $courselevelm=$ENV{'request.course.id'}.'.'.$mapparm;
459:
460: my $storeunder='';
461: if (($snum==9) || ($snum==3)) { $storeunder=$courselevel; }
462: if (($snum==8) || ($snum==2)) { $storeunder=$courselevelm; }
463: if (($snum==7) || ($snum==1)) { $storeunder=$courselevelr; }
464: if ($snum==6) { $storeunder=$seclevel; }
465: if ($snum==5) { $storeunder=$seclevelm; }
466: if ($snum==4) { $storeunder=$seclevelr; }
467: $storeunder=&Apache::lonnet::escape($storeunder);
468:
469: my $storecontent=
470: $storeunder.'='.
471: &Apache::lonnet::escape($ENV{'form.pres_value'}).'&'.
472: $storeunder.'.type='.
473: &Apache::lonnet::escape($ENV{'form.pres_type'});
474:
475: my $reply='';
476: if ($snum>3) {
477: # ---------------------------------------------------------------- Store Course
478: #
479: # Expire sheets
480: &Apache::lonnet::expirespread('','','studentcalc');
481: if (($snum==7) || ($snum==4)) {
482: &Apache::lonnet::expirespread('','','assesscalc',$symbp{$sresid});
483: } elsif (($snum==8) || ($snum==5)) {
484: &Apache::lonnet::expirespread('','','assesscalc',$mapp{$sresid});
485: } else {
486: &Apache::lonnet::expirespread('','','assesscalc');
487: }
488:
489: # Store parameter
490: $reply=&Apache::lonnet::critical('put:'.
491: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'.
492: $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.':resourcedata:'.
493: $storecontent,
494: $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
495: } else {
496: # ------------------------------------------------------------------ Store User
497: #
498: # Expire sheets
499: &Apache::lonnet::expirespread($uname,$udom,'studentcalc');
500: if ($snum==1) {
501: &Apache::lonnet::expirespread
502: ($uname,$udom,'assesscalc',$symbp{$sresid});
503: } elsif ($snum==2) {
504: &Apache::lonnet::expirespread
505: ($uname,$udom,'assesscalc',$mapp{$sresid});
506: } else {
507: &Apache::lonnet::expirespread($uname,$udom,'assesscalc');
508: }
509:
510: # Store parameter
511: $reply=
512: &Apache::lonnet::critical('put:'.$udom.':'.$uname.':resourcedata:'.
513: $storecontent,$uhome);
514: }
515:
516: if ($reply=~/^error\:(.*)/) {
517: $message.="<font color=red>Write Error: $1</font>";
518: }
519: # ---------------------------------------------------------------- Done storing
520: }
521: # -------------------------------------------------------------- Get coursedata
522: my $reply=&Apache::lonnet::reply('dump:'.
523: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'.
524: $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.':resourcedata',
525: $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
526: if ($reply!~/^error\:/) {
527: foreach (split(/\&/,$reply)) {
528: my ($name,$value)=split(/\=/,$_);
529: $courseopt{&Apache::lonnet::unescape($name)}=
530: &Apache::lonnet::unescape($value);
531: }
532: }
533: # --------------------------------------------------- Get userdata (if present)
534: if ($uname) {
535: my $reply=
536: &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
537: if ($reply!~/^error\:/) {
538: foreach (split(/\&/,$reply)) {
539: my ($name,$value)=split(/\=/,$_);
540: $useropt{&Apache::lonnet::unescape($name)}=
541: &Apache::lonnet::unescape($value);
542: }
543: }
544: }
545:
546: # ------------------------------------------------------------------- Sort this
547:
548: @ids=sort {
549: if ($fcat eq '') {
550: $a<=>$b;
551: } else {
552: my ($result,@outpar)=&parmval($fcat,$a,$defp{$a});
553: my $aparm=$outpar[$result];
554: ($result,@outpar)=&parmval($fcat,$b,$defp{$b});
555: my $bparm=$outpar[$result];
556: 1*$aparm<=>1*$bparm;
557: }
558: } @ids;
559:
560: # ------------------------------------------------------------------ Start page
561: &startpage($r,$id,$udom,$csec,$uname);
562: # if ($ENV{'form.url'}) {
563: # $r->print('<input type="hidden" value="'.$ENV{'form.url'}.
564: # '" name="url"><input type="hidden" name="command" value="set">');
565: # }
566: foreach ('tolerance','date_default','date_start','date_end',
567: 'date_interval','int','float','string') {
568: $r->print('<input type="hidden" value="'.
569: $ENV{'form.recent_'.$_}.'" name="recent_'.$_.'">');
570: }
571:
572: $r->print('<h2>'.$message.'</h2><table><tr><td>Sort list by</td><td>');
573: $r->print('<select name="fcat">');
574: $r->print('<option value="">Enclosing Map</option>');
575: foreach (reverse sort keys %allkeys) {
576: $r->print('<option value="'.$_.'"');
577: if ($fcat eq $_) { $r->print(' selected'); }
578: $r->print('>'.$allkeys{$_}.'</option>');
579: }
580: if (!$pssymb) {
581: $r->print('</select></tr><tr><td>Select Enclosing Map</td><td><select name=pschp>');
582: $r->print('<option value=all>All Maps</option>');
583: foreach (keys %allmaps) {
584: $r->print('<option value="'.$_.'"');
585: if (($pssymb=~/^$allmaps{$_}/) ||
586: ($pschp eq $_)) { $r->print(' selected'); }
587: $r->print('>'.$allmaps{$_}.'</option>');
588: }
589: } else {
590: my ($map,$id,$resource)=split(/___/,$pssymb);
591: $r->print('<tr><td>Specfic Resource</td><td> </td></tr>');
592: $r->print('<input type="hidden" value="'.$pssymb.'" name="symb">');
593: }
594: $r->print('</select></td></tr><tr><td>Select Parameter</td><td><select name=pscat>');
595: $r->print('<option value=all>All Parameters</option>');
596: foreach (reverse sort keys %allkeys) {
597: $r->print('<option value="'.$_.'"');
598: if ($pscat eq $_) { $r->print(' selected'); }
599: $r->print('>'.$allkeys{$_}.'</option>');
600: }
601: $r->print('</select></td></tr></table><br><input name=dis type="submit" value="Display">');
602: if (($pscat) || ($pschp) || ($pssymb)) {
603: # ----------------------------------------------------------------- Start Table
604: my $catmarker='parameter_'.$pscat;
605: $catmarker=~s/\./\_/g;
606: my $coursespan=$csec?8:5;
607: my $csuname=$ENV{'user.name'};
608: my $csudom=$ENV{'user.domain'};
609: $r->print(<<ENDTABLEHEAD);
610: <p><table border=2>
611: <tr><td colspan=5></td>
612: <th colspan=$coursespan>Any User</th>
613: ENDTABLEHEAD
614: if ($uname) {
615: $r->print("<th colspan=3 rowspan=2>User $uname at Domain $udom</th>");
616: }
617: $r->print(<<ENDTABLETWO);
618: <th rowspan=3>Parameter in Effect</th>
619: <th rowspan=3>Current Session Value<br>($csuname at $csudom)</th>
620: </tr><tr><td colspan=5></td>
621: <th colspan=2>Resource Level</th>
622: <th colspan=3>in Course</th>
623: ENDTABLETWO
624: if ($csec) {
625: $r->print("<th colspan=3>in Section/Group $csec</th>");
626: }
627: $r->print(<<ENDTABLEHEADFOUR);
628: </tr><tr><th>Assessment URL and Title</th><th>Type</th>
629: <th>Enclosing Map</th><th>Part No.</th><th>Parameter Name</th>
630: <th>default</th><th>from Enclosing Map</th>
631: <th>general</th><th>for Enclosing Map</th><th>for Resource</th>
632: ENDTABLEHEADFOUR
633: if ($csec) {
634: $r->print('<th>general</th><th>for Enclosing Map</th><th>for Resource</th>');
635: }
636: if ($uname) {
637: $r->print('<th>general</th><th>for Enclosing Map</th><th>for Resource</th>');
638: }
639: $r->print('</tr>');
640: my $defbgone='';
641: my $defbgtwo='';
642: foreach (@ids) {
643: my $rid=$_;
644: my ($inmapid)=($rid=~/\.(\d+)$/);
645: if (($pschp eq 'all') || ($allmaps{$pschp} eq $mapp{$rid}) ||
646: ($pssymb eq $symbp{$rid})) {
647: # ------------------------------------------------------ Entry for one resource
648: if ($defbgone eq '"E0E099"') {
649: $defbgone='"E0E0DD"';
650: } else {
651: $defbgone='"E0E099"';
652: }
653: if ($defbgtwo eq '"FFFF99"') {
654: $defbgtwo='"FFFFDD"';
655: } else {
656: $defbgtwo='"FFFF99"';
657: }
658: my $thistitle='';
659: my %name= ();
660: undef %name;
661: my %part= ();
662: my %display=();
663: my %type= ();
664: my %default=();
665: my $uri=&Apache::lonnet::declutter($bighash{'src_'.$rid});
666:
667: foreach (split(/\,/,$keyp{$rid})) {
668: if (($_ eq $catmarker) || ($pscat eq 'all')) {
669: $part{$_}=&Apache::lonnet::metadata($uri,$_.'.part');
670: $name{$_}=&Apache::lonnet::metadata($uri,$_.'.name');
671: $display{$_}=&Apache::lonnet::metadata($uri,$_.'.display');
672: unless ($display{$_}) { $display{$_}=''; }
673: $display{$_}.=' ('.$name{$_}.')';
674: $default{$_}=&Apache::lonnet::metadata($uri,$_);
675: $type{$_}=&Apache::lonnet::metadata($uri,$_.'.type');
676: $thistitle=&Apache::lonnet::metadata($uri,$_.'.title');
677: }
678: }
679: my $totalparms=scalar keys %name;
680: if ($totalparms>0) {
681: my $firstrow=1;
682: $r->print('<tr><td bgcolor='.$defbgone.
683: ' rowspan='.$totalparms.'><tt><font size=-1>'.
684: join(' / ',split(/\//,$uri)).
685: '</font></tt><p><b>'.
686: $bighash{'title_'.$rid});
687: if ($thistitle) {
688: $r->print(' ('.$thistitle.')');
689: }
690: $r->print('</b></td>');
691: $r->print('<td bgcolor='.$defbgtwo.
692: ' rowspan='.$totalparms.'>'.$typep{$rid}.'</td>');
693: $r->print('<td bgcolor='.$defbgone.
694: ' rowspan='.$totalparms.'><tt><font size=-1>'.
695: join(' / ',split(/\//,$mapp{$rid})).'</font></tt></td>');
696: foreach (sort keys %name) {
697: unless ($firstrow) {
698: $r->print('<tr>');
699: } else {
700: $firstrow=0;
701: }
702: &print_row($r,$_,\%part,\%name,$rid,\%default,
703: \%type,\%display,$defbgone,$defbgtwo);
704: }
705: }
706: # -------------------------------------------------- End entry for one resource
707: }
708: }
709: $r->print('</table>');
710: }
711: $r->print('</form></body></html>');
712: untie(%bighash);
713: untie(%parmhash);
714: }
715:
716: sub crsenv {
717: my $r=shift;
718: my $setoutput='';
719: # -------------------------------------------------- Go through list of changes
720: foreach (keys %ENV) {
721: if ($_=~/^form\.(.+)\_setparmval$/) {
722: my $name=$1;
723: my $value=$ENV{'form.'.$name.'_value'};
724: if ($name eq 'newp') {
725: $name=$ENV{'form.newp_name'};
726: }
727: if ($name eq 'url') {
728: $value=~s/^\/res\///;
729: $setoutput.='Backing up previous URL: '.
730: &Apache::lonnet::reply('put:'.
731: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
732: ':'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
733: ':environment:'.
734: &Apache::lonnet::escape('top level map backup '.
735: time).'='.
736: &Apache::lonnet::reply('get:'.
737: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
738: ':'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
739: ':environment:url',
740: $ENV{'course.'.$ENV{'request.course.id'}.'.home'}),
741: $ENV{'course.'.$ENV{'request.course.id'}.'.home'}).
742: '<br>';
743:
744: }
745: if ($name) {
746: $setoutput.='Setting <tt>'.$name.'</tt> to <tt>'.
747: $value.'</tt>: '.
748: &Apache::lonnet::reply('put:'.
749: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
750: ':'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
751: ':environment:'.
752: &Apache::lonnet::escape($name).'='.
753: &Apache::lonnet::escape($value),
754: $ENV{'course.'.$ENV{'request.course.id'}.'.home'}).
755: '<br>';
756: }
757: }
758: }
759: # -------------------------------------------------------- Get parameters again
760: my $rep=&Apache::lonnet::reply
761: ('dump:'.$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
762: ':'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
763: ':environment',
764: $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
765: my $output='';
766: if ($rep ne 'con_lost') {
767: my %values;
768: my %descriptions=
769: ('url' => '<b>Top Level Map</b><br><font color=red> Modification may make assessment data inaccessible</font>',
770: 'description' => '<b>Course Description</b>',
771: 'courseid' => '<b>Course ID or number</b><br>(internal, optional)',
772: 'question.email' => '<b>Feedback Addresses for Content Questions</b><br>(<tt>user:domain,user:domain,...</tt>)',
773: 'comment.email' => '<b>Feedback Addresses for Comments</b><br>(<tt>user:domain,user:domain,...</tt>)',
774: 'policy.email' => '<b>Feedback Addresses for Course Policy</b><br>(<tt>user:domain,user:domain,...</tt>)',
775: 'hideemptyrows' => '<b>Hide Empty Rows in Spreadsheets</b><br>("<tt>yes</tt>" for default hiding)',
776: 'pch.roles.denied'=> '<b>Disallow Resource Discussion for Students</b><br>"<tt>st</tt>": student, "<tt>ta</tt>": TA, "<tt>in</tt>": instructor;<br><tt>role,role,...</tt>)'
777: );
778:
779: foreach (split(/\&/,$rep)) {
780: my ($name,$value)=split(/\=/,$_);
781: $name=&Apache::lonnet::unescape($name);
782: $values{$name}=&Apache::lonnet::unescape($value);
783: unless ($descriptions{$name}) {
784: $descriptions{$name}=$name;
785: }
786: }
787: foreach (sort keys %descriptions) {
788: $output.='<tr><td>'.$descriptions{$_}.'</td><td><input name="'.
789: $_.'_value" size=40 value="'.
790: $values{$_}.
791: '"></td><td><input type=checkbox name="'.$_.
792: '_setparmval"></td></tr>';
793: }
794: $output.='<tr><td><i>Create New Environment Variable</i><br>'.
795: '<input type="text" size=40 name="newp_name"></td><td>'.
796: '<input type="text" size=40 name="newp_value"></td><td>'.
797: '<input type="checkbox" name="newp_setparmval"></td></tr>';
798: }
799: $r->print(<<ENDENV);
800: <html>
801: <head>
802: <title>LON-CAPA Course Environment</title>
803: </head>
804: <body bgcolor="#FFFFFF">
805: <h1>Set Course Parameters</h1>
806: <form method="post" action="/adm/parmset" name="envform">
807: <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
808: <h3>Course Environment</h3>
809: $setoutput
810: <p>
811: <table border=2>
812: <tr><th>Parameter</th><th>Value</th><th>Set?</th></tr>
813: $output
814: </table>
815: <input type="submit" name="crsenv" value="Set Course Environment">
816: </form>
817: </body>
818: </html>
819: ENDENV
820: }
821:
822: # ================================================================ Main Handler
823:
824: sub handler {
825: my $r=shift;
826:
827: if ($r->header_only) {
828: $r->content_type('text/html');
829: $r->send_http_header;
830: return OK;
831: }
832: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
833: # ----------------------------------------------------- Needs to be in a course
834:
835: if (($ENV{'request.course.id'}) &&
836: (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'}))) {
837:
838: unless (($ENV{'form.crsenv'}) || (!$ENV{'request.course.fn'})) {
839: # --------------------------------------------------------- Bring up assessment
840: &assessparms($r);
841: # ---------------------------------------------- This is for course environment
842: } else {
843: &crsenv($r);
844: }
845: } else {
846: # ----------------------------- Not in a course, or not allowed to modify parms
847: $ENV{'user.error.msg'}=
848: "/adm/parmset:opa:0:0:Cannot modify assessment parameters";
849: return HTTP_NOT_ACCEPTABLE;
850: }
851: return OK;
852: }
853:
854: 1;
855: __END__
856:
857:
858: =head1 NAME
859:
860: Apache::lonparmset - Handler to set parameters for assessments
861:
862: =head1 SYNOPSIS
863:
864: Invoked by /etc/httpd/conf/srm.conf:
865:
866: <Location /adm/parmset>
867: PerlAccessHandler Apache::lonacc
868: SetHandler perl-script
869: PerlHandler Apache::lonparmset
870: ErrorDocument 403 /adm/login
871: ErrorDocument 406 /adm/roles
872: ErrorDocument 500 /adm/errorhandler
873: </Location>
874:
875: =head1 INTRODUCTION
876:
877: This module sets assessment parameters.
878:
879: This is part of the LearningOnline Network with CAPA project
880: described at http://www.lon-capa.org.
881:
882: =head1 HANDLER SUBROUTINE
883:
884: This routine is called by Apache and mod_perl.
885:
886: =over 4
887:
888: =item *
889:
890: need to be in course
891:
892: =item *
893:
894: bring up assessment screen or course environment
895:
896: =back
897:
898: =head1 OTHER SUBROUTINES
899:
900: =over 4
901:
902: =item *
903:
904: parmval() : figure out a cascading parameter
905:
906: =item *
907:
908: valout() : format a value for output
909:
910: =item *
911:
912: plink() : produces link anchor
913:
914: =item *
915:
916: assessparms() : show assess data and parameters
917:
918: =item *
919:
920: crsenv() : for the course environment
921:
922: =back
923:
924: =cut
925:
926:
927:
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