1: # The LearningOnline Network with CAPA
2: # Handler to set parameters for assessments
3: #
4: # $Id: lonparmset.pm,v 1.54 2002/06/26 20:16:42 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: # (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 ".
370: "in this course</font>";
371: $uname='';
372: $csec=$ENV{'form.csec'};
373: } else {
374: my %name=&Apache::lonnet::userenvironment($udom,$uname,
375: ('firstname','middlename','lastname','generation','id'));
376: $message="\n<p>\nFull Name: ".
377: $name{'firstname'}.' '.$name{'middlename'}.' '
378: .$name{'lastname'}.' '.$name{'generation'}.
379: "<br>\nID: ".$name{'id'}.'<p>';
380: }
381: }
382: }
383:
384: unless ($csec) { $csec=''; }
385:
386: my $fcat=$ENV{'form.fcat'};
387: unless ($fcat) { $fcat=''; }
388:
389: # ------------------------------------------------------------------- Tie hashs
390: if (!(tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
391: &GDBM_READER,0640))) {
392: $r->print("Unable to access course data. (File $ENV{'request.course.fn'}.db not tieable)");
393: return ;
394: }
395: if (!(tie(%parmhash,'GDBM_File',
396: $ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640))) {
397: $r->print("Unable to access parameter data. (File $ENV{'request.course.fn'}_parms.db not tieable)");
398: return ;
399: }
400: # --------------------------------------------------------- Get all assessments
401: foreach (keys %bighash) {
402: if ($_=~/^src\_(\d+)\.(\d+)$/) {
403: my $mapid=$1;
404: my $resid=$2;
405: my $id=$mapid.'.'.$resid;
406: my $srcf=$bighash{$_};
407: if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
408: $ids[$#ids+1]=$id;
409: $typep{$id}=$1;
410: $keyp{$id}='';
411: foreach (split(/\,/,
412: &Apache::lonnet::metadata($srcf,'keys'))) {
413: if ($_=~/^parameter\_(.*)/) {
414: my $key=$_;
415: my $allkey=$1;
416: $allkey=~s/\_/\./;
417: my $display=
418: &Apache::lonnet::metadata($srcf,$key.'.display');
419: unless ($display) {
420: $display=
421: &Apache::lonnet::metadata($srcf,$key.'.name');
422: }
423: $allkeys{$allkey}=$display;
424: if ($allkey eq $fcat) {
425: $defp{$id}=
426: &Apache::lonnet::metadata($srcf,$key);
427: }
428: if ($keyp{$id}) {
429: $keyp{$id}.=','.$key;
430: } else {
431: $keyp{$id}=$key;
432: }
433: }
434: }
435: $mapp{$id}=
436: &Apache::lonnet::declutter($bighash{'map_id_'.$mapid});
437: $allmaps{$mapid}=$mapp{$id};
438: $symbp{$id}=$mapp{$id}.
439: '___'.$resid.'___'.
440: &Apache::lonnet::declutter($srcf);
441: }
442: }
443: }
444: # ---------------------------------------------------------- Anything to store?
445: if ($ENV{'form.pres_marker'}) {
446: my ($sresid,$spnam,$snum)=split(/\&/,$ENV{'form.pres_marker'});
447: $spnam=~s/\_([^\_]+)$/\.$1/;
448: # ---------------------------------------------------------- Construct prefixes
449:
450: my $symbparm=$symbp{$sresid}.'.'.$spnam;
451: my $mapparm=$mapp{$sresid}.'___(all).'.$spnam;
452:
453: my $seclevel=$ENV{'request.course.id'}.'.['.$csec.'].'.$spnam;
454: my $seclevelr=$ENV{'request.course.id'}.'.['.$csec.'].'.$symbparm;
455: my $seclevelm=$ENV{'request.course.id'}.'.['.$csec.'].'.$mapparm;
456:
457: my $courselevel=$ENV{'request.course.id'}.'.'.$spnam;
458: my $courselevelr=$ENV{'request.course.id'}.'.'.$symbparm;
459: my $courselevelm=$ENV{'request.course.id'}.'.'.$mapparm;
460:
461: my $storeunder='';
462: if (($snum==9) || ($snum==3)) { $storeunder=$courselevel; }
463: if (($snum==8) || ($snum==2)) { $storeunder=$courselevelm; }
464: if (($snum==7) || ($snum==1)) { $storeunder=$courselevelr; }
465: if ($snum==6) { $storeunder=$seclevel; }
466: if ($snum==5) { $storeunder=$seclevelm; }
467: if ($snum==4) { $storeunder=$seclevelr; }
468:
469: my %storecontent = ($storeunder => $ENV{'form.pres_value'},
470: $storeunder.'type' => $ENV{'form.pres_type'});
471: my $reply='';
472: if ($snum>3) {
473: # ---------------------------------------------------------------- Store Course
474: #
475: # Expire sheets
476: &Apache::lonnet::expirespread('','','studentcalc');
477: if (($snum==7) || ($snum==4)) {
478: &Apache::lonnet::expirespread('','','assesscalc',$symbp{$sresid});
479: } elsif (($snum==8) || ($snum==5)) {
480: &Apache::lonnet::expirespread('','','assesscalc',$mapp{$sresid});
481: } else {
482: &Apache::lonnet::expirespread('','','assesscalc');
483: }
484: # Store parameter
485: $reply=&Apache::lonnet::cput
486: ('resourcedata',\%storecontent,
487: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
488: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
489: } else {
490: # ------------------------------------------------------------------ Store User
491: #
492: # Expire sheets
493: &Apache::lonnet::expirespread($uname,$udom,'studentcalc');
494: if ($snum==1) {
495: &Apache::lonnet::expirespread
496: ($uname,$udom,'assesscalc',$symbp{$sresid});
497: } elsif ($snum==2) {
498: &Apache::lonnet::expirespread
499: ($uname,$udom,'assesscalc',$mapp{$sresid});
500: } else {
501: &Apache::lonnet::expirespread($uname,$udom,'assesscalc');
502: }
503: # Store parameter
504: $reply=&Apache::lonnet::cput
505: ('resourcedata',\%storecontent,$udom,$uname);
506: }
507:
508: if ($reply=~/^error\:(.*)/) {
509: $message.="<font color=red>Write Error: $1</font>";
510: }
511: # ---------------------------------------------------------------- Done storing
512: }
513: # -------------------------------------------------------------- Get coursedata
514: %courseopt = &Apache::lonnet::dump
515: ('resourcedata',
516: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
517: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
518: # --------------------------------------------------- Get userdata (if present)
519: if ($uname) {
520: %useropt=&Apache::lonnet::dump('resourcedata',$udom,$uname);
521: }
522:
523: # ------------------------------------------------------------------- Sort this
524:
525: @ids=sort {
526: if ($fcat eq '') {
527: $a<=>$b;
528: } else {
529: my ($result,@outpar)=&parmval($fcat,$a,$defp{$a});
530: my $aparm=$outpar[$result];
531: ($result,@outpar)=&parmval($fcat,$b,$defp{$b});
532: my $bparm=$outpar[$result];
533: 1*$aparm<=>1*$bparm;
534: }
535: } @ids;
536:
537: # ------------------------------------------------------------------ Start page
538: &startpage($r,$id,$udom,$csec,$uname);
539: # if ($ENV{'form.url'}) {
540: # $r->print('<input type="hidden" value="'.$ENV{'form.url'}.
541: # '" name="url"><input type="hidden" name="command" value="set">');
542: # }
543: foreach ('tolerance','date_default','date_start','date_end',
544: 'date_interval','int','float','string') {
545: $r->print('<input type="hidden" value="'.
546: $ENV{'form.recent_'.$_}.'" name="recent_'.$_.'">');
547: }
548:
549: $r->print('<h2>'.$message.'</h2><table><tr><td>Sort list by</td><td>');
550: $r->print('<select name="fcat">');
551: $r->print('<option value="">Enclosing Map</option>');
552: foreach (reverse sort keys %allkeys) {
553: $r->print('<option value="'.$_.'"');
554: if ($fcat eq $_) { $r->print(' selected'); }
555: $r->print('>'.$allkeys{$_}.'</option>');
556: }
557: if (!$pssymb) {
558: $r->print('</select></tr><tr><td>Select Enclosing Map</td><td><select name=pschp>');
559: $r->print('<option value=all>All Maps</option>');
560: foreach (sort keys %allmaps) {
561: $r->print('<option value="'.$_.'"');
562: if (($pssymb=~/^$allmaps{$_}/) ||
563: ($pschp eq $_)) { $r->print(' selected'); }
564: $r->print('>'.$allmaps{$_}.'</option>');
565: }
566: } else {
567: my ($map,$id,$resource)=split(/___/,$pssymb);
568: $r->print('<tr><td>Specfic Resource</td><td> </td></tr>');
569: $r->print('<input type="hidden" value="'.$pssymb.'" name="symb">');
570: }
571: $r->print('</select></td></tr><tr><td>Select Parameter</td><td><select name=pscat>');
572: $r->print('<option value=all>All Parameters</option>');
573: foreach (reverse sort keys %allkeys) {
574: $r->print('<option value="'.$_.'"');
575: if ($pscat eq $_) { $r->print(' selected'); }
576: $r->print('>'.$allkeys{$_}.'</option>');
577: }
578: $r->print('</select></td></tr></table><br><input name=dis type="submit" value="Display">');
579: if (($pscat) || ($pschp) || ($pssymb)) {
580: # ----------------------------------------------------------------- Start Table
581: my $catmarker='parameter_'.$pscat;
582: $catmarker=~s/\./\_/g;
583: my $coursespan=$csec?8:5;
584: my $csuname=$ENV{'user.name'};
585: my $csudom=$ENV{'user.domain'};
586: $r->print(<<ENDTABLEHEAD);
587: <p><table border=2>
588: <tr><td colspan=5></td>
589: <th colspan=$coursespan>Any User</th>
590: ENDTABLEHEAD
591: if ($uname) {
592: $r->print("<th colspan=3 rowspan=2>User $uname at Domain $udom</th>");
593: }
594: $r->print(<<ENDTABLETWO);
595: <th rowspan=3>Parameter in Effect</th>
596: <th rowspan=3>Current Session Value<br>($csuname at $csudom)</th>
597: </tr><tr><td colspan=5></td>
598: <th colspan=2>Resource Level</th>
599: <th colspan=3>in Course</th>
600: ENDTABLETWO
601: if ($csec) {
602: $r->print("<th colspan=3>in Section/Group $csec</th>");
603: }
604: $r->print(<<ENDTABLEHEADFOUR);
605: </tr><tr><th>Assessment URL and Title</th><th>Type</th>
606: <th>Enclosing Map</th><th>Part No.</th><th>Parameter Name</th>
607: <th>default</th><th>from Enclosing Map</th>
608: <th>general</th><th>for Enclosing Map</th><th>for Resource</th>
609: ENDTABLEHEADFOUR
610: if ($csec) {
611: $r->print('<th>general</th><th>for Enclosing Map</th><th>for Resource</th>');
612: }
613: if ($uname) {
614: $r->print('<th>general</th><th>for Enclosing Map</th><th>for Resource</th>');
615: }
616: $r->print('</tr>');
617: my $defbgone='';
618: my $defbgtwo='';
619: foreach (@ids) {
620: my $rid=$_;
621: my ($inmapid)=($rid=~/\.(\d+)$/);
622: if (($pschp eq 'all') || ($allmaps{$pschp} eq $mapp{$rid}) ||
623: ($pssymb eq $symbp{$rid})) {
624: # ------------------------------------------------------ Entry for one resource
625: if ($defbgone eq '"E0E099"') {
626: $defbgone='"E0E0DD"';
627: } else {
628: $defbgone='"E0E099"';
629: }
630: if ($defbgtwo eq '"FFFF99"') {
631: $defbgtwo='"FFFFDD"';
632: } else {
633: $defbgtwo='"FFFF99"';
634: }
635: my $thistitle='';
636: my %name= ();
637: undef %name;
638: my %part= ();
639: my %display=();
640: my %type= ();
641: my %default=();
642: my $uri=&Apache::lonnet::declutter($bighash{'src_'.$rid});
643:
644: foreach (split(/\,/,$keyp{$rid})) {
645: if (($_ eq $catmarker) || ($pscat eq 'all')) {
646: $part{$_}=&Apache::lonnet::metadata($uri,$_.'.part');
647: $name{$_}=&Apache::lonnet::metadata($uri,$_.'.name');
648: $display{$_}=&Apache::lonnet::metadata($uri,$_.'.display');
649: unless ($display{$_}) { $display{$_}=''; }
650: $display{$_}.=' ('.$name{$_}.')';
651: $default{$_}=&Apache::lonnet::metadata($uri,$_);
652: $type{$_}=&Apache::lonnet::metadata($uri,$_.'.type');
653: $thistitle=&Apache::lonnet::metadata($uri,$_.'.title');
654: }
655: }
656: my $totalparms=scalar keys %name;
657: if ($totalparms>0) {
658: my $firstrow=1;
659: $r->print('<tr><td bgcolor='.$defbgone.
660: ' rowspan='.$totalparms.'><tt><font size=-1>'.
661: join(' / ',split(/\//,$uri)).
662: '</font></tt><p><b>'.
663: $bighash{'title_'.$rid});
664: if ($thistitle) {
665: $r->print(' ('.$thistitle.')');
666: }
667: $r->print('</b></td>');
668: $r->print('<td bgcolor='.$defbgtwo.
669: ' rowspan='.$totalparms.'>'.$typep{$rid}.'</td>');
670: $r->print('<td bgcolor='.$defbgone.
671: ' rowspan='.$totalparms.'><tt><font size=-1>'.
672: join(' / ',split(/\//,$mapp{$rid})).'</font></tt></td>');
673: foreach (sort keys %name) {
674: unless ($firstrow) {
675: $r->print('<tr>');
676: } else {
677: $firstrow=0;
678: }
679: &print_row($r,$_,\%part,\%name,$rid,\%default,
680: \%type,\%display,$defbgone,$defbgtwo);
681: }
682: }
683: # -------------------------------------------------- End entry for one resource
684: }
685: }
686: $r->print('</table>');
687: }
688: $r->print('</form></body></html>');
689: untie(%bighash);
690: untie(%parmhash);
691: }
692:
693: # Set course environment parameters
694: sub crsenv {
695: my $r=shift;
696: my $setoutput='';
697: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
698: my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
699: # -------------------------------------------------- Go through list of changes
700: foreach (keys %ENV) {
701: if ($_=~/^form\.(.+)\_setparmval$/) {
702: my $name=$1;
703: my $value=$ENV{'form.'.$name.'_value'};
704: if ($name eq 'newp') {
705: $name=$ENV{'form.newp_name'};
706: }
707: if ($name eq 'url') {
708: $value=~s/^\/res\///;
709: my @tmp = &Apache::lonnet::get
710: ('environment',['url'],$dom,$crs);
711: $setoutput.='Backing up previous URL: '.
712: &Apache::lonnet::put
713: ('environment',
714: {'top level map backup ' => $tmp[1] },
715: $dom,$crs).
716: '<br>';
717: }
718: if ($name) {
719: $setoutput.='Setting <tt>'.$name.'</tt> to <tt>'.
720: $value.'</tt>: '.
721: &Apache::lonnet::put
722: ('environment',{$name=>$value},$dom,$crs).
723: '<br>';
724: }
725: }
726: }
727: # -------------------------------------------------------- Get parameters again
728:
729: my %values=&Apache::lonnet::dump('environment',$dom,$crs);
730: my $output='';
731: if (! exists($values{'con_lost'})) {
732: my %descriptions=
733: ('url' => '<b>Top Level Map</b> '.
734: '<a href="javascript:openbrowser'.
735: "('envform','url','sequence')\">".
736: 'Browse</a><br><font color=red> '.
737: 'Modification may make assessment data '.
738: 'inaccessible</font>',
739: 'description' => '<b>Course Description</b>',
740: 'courseid' => '<b>Course ID or number</b><br>'.
741: '(internal, optional)',
742: 'default_xml_style' => '<b>Default XML Style File</b> '.
743: '<a href="javascript:openbrowser'.
744: "('envform','default_xml_style'".
745: ",'sty')\">Browse</a><br>",
746: 'question.email' => '<b>Feedback Addresses for Content '.
747: 'Questions</b><br>(<tt>user:domain,'.
748: 'user:domain,...</tt>)',
749: 'comment.email' => '<b>Feedback Addresses for Comments</b><br>'.
750: '(<tt>user:domain,user:domain,...</tt>)',
751: 'policy.email' => '<b>Feedback Addresses for Course Policy</b>'.
752: '<br>(<tt>user:domain,user:domain,...</tt>)',
753: 'hideemptyrows' => '<b>Hide Empty Rows in Spreadsheets</b><br>'.
754: '("<tt>yes</tt>" for default hiding)',
755: 'pageseparators' => '<b>Visibly Separate Items on Pages</b><br>'.
756: '("<tt>yes</tt>" for visible separation)',
757: 'pch.roles.denied'=> '<b>Disallow Resource Discussion for '.
758: 'Roles</b><br>"<tt>st</tt>": '.
759: 'student, "<tt>ta</tt>": '.
760: 'TA, "<tt>in</tt>": '.
761: 'instructor;<br><tt>role,role,...</tt>)',
762: 'pch.users.denied' =>
763: '<b>Disallow Resource Discussion for Users</b><br>'.
764: '(<tt>user:domain,user:domain,...</tt>)',
765: 'spreadsheet_default_classcalc'
766: => '<b>Default Course Spreadsheet</b> '.
767: '<a href="javascript:openbrowser'.
768: "('envform','spreadsheet_default_classcalc'".
769: ",'spreadsheet')\">Browse</a><br>",
770: 'spreadsheet_default_studentcalc'
771: => '<b>Default Student Spreadsheet</b> '.
772: '<a href="javascript:openbrowser'.
773: "('envform','spreadsheet_default_calc'".
774: ",'spreadsheet')\">Browse</a><br>",
775: 'spreadsheet_default_assesscalc'
776: => '<b>Default Assessment Spreadsheet</b> '.
777: '<a href="javascript:openbrowser'.
778: "('envform','spreadsheet_default_assesscalc'".
779: ",'spreadsheet')\">Browse</a><br>",
780: );
781: foreach (keys(%values)) {
782: unless ($descriptions{$_}) {
783: $descriptions{$_}=$_;
784: }
785: }
786: foreach (sort keys %descriptions) {
787: # onchange is javascript to automatically check the 'Set' button.
788: my $onchange = 'onchange="javascript:window.document.forms'.
789: '[\'envform\'].elements[\''.$_.'_setparmval\']'.
790: '.checked=true;"';
791: $output.='<tr><td>'.$descriptions{$_}.'</td>'.
792: '<td><input name="'.$_.'_value" size=40 '.
793: 'value="'.$values{$_}.'" '.$onchange.' /></td>'.
794: '<td><input type=checkbox name="'.$_.'_setparmval"></td>'.
795: '</tr>'."\n";
796: }
797: my $onchange = 'onchange="javascript:window.document.forms'.
798: '[\'envform\'].elements[\'newp_setparmval\']'.
799: '.checked=true;"';
800: $output.='<tr><td><i>Create New Environment Variable</i><br />'.
801: '<input type="text" size=40 name="newp_name" '.
802: $onchange.' /></td><td>'.
803: '<input type="text" size=40 name="newp_value" '.
804: $onchange.' /></td><td>'.
805: '<input type="checkbox" name="newp_setparmval" /></td></tr>';
806: }
807: $r->print(<<ENDENV);
808: <html>
809: <script type="text/javascript" language="Javascript" >
810: var editbrowser;
811: function openbrowser(formname,elementname,only,omit) {
812: var url = '/res/?';
813: if (editbrowser == null) {
814: url += 'launch=1&';
815: }
816: url += 'catalogmode=interactive&';
817: url += 'mode=parmset&';
818: url += 'form=' + formname + '&';
819: if (only != null) {
820: url += 'only=' + only + '&';
821: }
822: if (omit != null) {
823: url += 'omit=' + omit + '&';
824: }
825: url += 'element=' + elementname + '';
826: var title = 'Browser';
827: var options = 'scrollbars=1,resizable=1,menubar=0';
828: options += ',width=700,height=600';
829: editbrowser = open(url,title,options,'1');
830: editbrowser.focus();
831: }
832: </script>
833: <head>
834: <title>LON-CAPA Course Environment</title>
835: </head>
836: <body bgcolor="#FFFFFF">
837: <h1>Set Course Parameters</h1>
838: <form method="post" action="/adm/parmset" name="envform">
839: <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
840: <h3>Course Environment</h3>
841: $setoutput
842: <p>
843: <table border=2>
844: <tr><th>Parameter</th><th>Value</th><th>Set?</th></tr>
845: $output
846: </table>
847: <input type="submit" name="crsenv" value="Set Course Environment">
848: </form>
849: </body>
850: </html>
851: ENDENV
852: }
853:
854: # ================================================================ Main Handler
855:
856: sub handler {
857: my $r=shift;
858:
859: if ($r->header_only) {
860: $r->content_type('text/html');
861: $r->send_http_header;
862: return OK;
863: }
864: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
865: # ----------------------------------------------------- Needs to be in a course
866:
867: if (($ENV{'request.course.id'}) &&
868: (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'}))) {
869:
870: unless (($ENV{'form.crsenv'}) || (!$ENV{'request.course.fn'})) {
871: # --------------------------------------------------------- Bring up assessment
872: &assessparms($r);
873: # ---------------------------------------------- This is for course environment
874: } else {
875: &crsenv($r);
876: }
877: } else {
878: # ----------------------------- Not in a course, or not allowed to modify parms
879: $ENV{'user.error.msg'}=
880: "/adm/parmset:opa:0:0:Cannot modify assessment parameters";
881: return HTTP_NOT_ACCEPTABLE;
882: }
883: return OK;
884: }
885:
886: 1;
887: __END__
888:
889:
890: =head1 NAME
891:
892: Apache::lonparmset - Handler to set parameters for assessments
893:
894: =head1 SYNOPSIS
895:
896: Invoked by /etc/httpd/conf/srm.conf:
897:
898: <Location /adm/parmset>
899: PerlAccessHandler Apache::lonacc
900: SetHandler perl-script
901: PerlHandler Apache::lonparmset
902: ErrorDocument 403 /adm/login
903: ErrorDocument 406 /adm/roles
904: ErrorDocument 500 /adm/errorhandler
905: </Location>
906:
907: =head1 INTRODUCTION
908:
909: This module sets assessment parameters.
910:
911: This is part of the LearningOnline Network with CAPA project
912: described at http://www.lon-capa.org.
913:
914: =head1 HANDLER SUBROUTINE
915:
916: This routine is called by Apache and mod_perl.
917:
918: =over 4
919:
920: =item *
921:
922: need to be in course
923:
924: =item *
925:
926: bring up assessment screen or course environment
927:
928: =back
929:
930: =head1 OTHER SUBROUTINES
931:
932: =over 4
933:
934: =item *
935:
936: parmval() : figure out a cascading parameter
937:
938: =item *
939:
940: valout() : format a value for output
941:
942: =item *
943:
944: plink() : produces link anchor
945:
946: =item *
947:
948: assessparms() : show assess data and parameters
949:
950: =item *
951:
952: crsenv() : for the course environment
953:
954: =back
955:
956: =cut
957:
958:
959:
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