1: # The LearningOnline Network with CAPA
2: # Handler to set parameters for assessments
3: #
4: # (Handler to resolve ambiguous file locations
5: #
6: # (TeX Content Handler
7: #
8: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
9: #
10: # 10/11,10/12,10/16 Gerd Kortemeyer)
11: #
12: # 11/20,11/21,11/22,11/23,11/24,11/25 Gerd Kortemeyer
13:
14: package Apache::lonparmset;
15:
16: use strict;
17: use Apache::lonnet;
18: use Apache::Constants qw(:common :http REDIRECT);
19: use GDBM_File;
20: use Apache::lonmeta;
21:
22:
23: my %courseopt;
24: my %useropt;
25: my %bighash;
26: my %parmhash;
27:
28: my @outpar;
29:
30: my @ids;
31: my %symbp;
32: my %mapp;
33: my %typep;
34:
35: my $uname;
36: my $udom;
37: my $uhome;
38:
39: my $csec;
40:
41: my $fcat;
42:
43: # -------------------------------------------- Figure out a cascading parameter
44:
45: sub parmval {
46: my ($what,$id,$def)=@_;
47: my $result='';
48: @outpar=();
49: # ----------------------------------------------------- Cascading lookup scheme
50:
51: my $symbparm=$symbp{$id}.'.'.$what;
52: my $mapparm=$mapp{$id}.'___(all).'.$what;
53:
54: my $seclevel=
55: $ENV{'request.course.id'}.'.['.
56: $ENV{'request.course.sec'}.'].'.$what;
57: my $seclevelr=
58: $ENV{'request.course.id'}.'.['.
59: $ENV{'request.course.sec'}.'].'.$symbparm;
60: my $seclevelm=
61: $ENV{'request.course.id'}.'.['.
62: $ENV{'request.course.sec'}.'].'.$mapparm;
63:
64: my $courselevel=
65: $ENV{'request.course.id'}.'.'.$what;
66: my $courselevelr=
67: $ENV{'request.course.id'}.'.'.$symbparm;
68: my $courselevelm=
69: $ENV{'request.course.id'}.'.'.$mapparm;
70:
71: # -------------------------------------------------------- first, check default
72:
73: if ($def) { $outpar[11]=$def;
74: $result=11; }
75:
76: # ----------------------------------------------------- second, check map parms
77:
78: my $thisparm=$parmhash{$symbparm};
79: if ($thisparm) { $outpar[10]=$thisparm;
80: $result=10; }
81:
82: # --------------------------------------------------------- third, check course
83:
84: if ($courseopt{$courselevel}) { $outpar[9]=$courseopt{$courselevel};
85: $result=9; }
86:
87: if ($courseopt{$courselevelm}) { $outpar[8]=$courseopt{$courselevelm};
88: $result=8; }
89:
90: if ($courseopt{$courselevelr}) { $outpar[7]=$courseopt{$courselevelr};
91: $result=7; }
92:
93: if ($csec) {
94:
95: if ($courseopt{$seclevel}) { $outpar[6]=$courseopt{$seclevel};
96: $result=6; }
97:
98: if ($courseopt{$seclevelm}) { $outpar[5]=$courseopt{$seclevelm};
99: $result=5; }
100:
101: if ($courseopt{$seclevelr}) { $outpar[4]=$courseopt{$seclevelr};
102: $result=4; }
103:
104: }
105:
106: # ---------------------------------------------------------- fourth, check user
107:
108: if ($uname) {
109:
110: if ($useropt{$courselevel}) { $outpar[3]=$useropt{$courselevel};
111: $result=3; }
112:
113: if ($useropt{$courselevelm}) { $outpar[2]=$useropt{$courselevelm};
114: $result=2; }
115:
116: if ($useropt{$courselevelr}) { $outpar[1]=$useropt{$courselevelr};
117: $result=1; }
118:
119: }
120:
121: return $result;
122: }
123:
124: # ---------------------------------------------------------------- Sort routine
125:
126: sub bycat {
127: if ($fcat eq '') {
128: $a<=>$b;
129: } else {
130: &parmval('0.'.$fcat,$a)<=>&parmval('0.'.$fcat,$b);
131: }
132: }
133:
134: # ------------------------------------------------------------ Output for value
135:
136: sub valout {
137: my ($value,$type)=@_;
138: return
139: ($value?(($type=~/^date/)?localtime($value):$value):' ');
140: }
141:
142: # -------------------------------------------------------- Produces link anchor
143:
144: sub plink {
145: my ($type,$dis,$value,$marker,$return,$call)=@_;
146: return '<a href="javascript:pjump('."'".$type."','".$dis."','".$value."','"
147: .$marker."','".$return."','".$call."'".');">'.
148: &valout($value,$type).'</a>';
149: }
150:
151: # ================================================================ Main Handler
152:
153: sub handler {
154: my $r=shift;
155:
156: if ($r->header_only) {
157: $r->content_type('text/html');
158: $r->send_http_header;
159: return OK;
160: }
161:
162: # ----------------------------------------------------- Needs to be in a course
163:
164: if (($ENV{'request.course.fn'}) &&
165: (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'}))) {
166: # -------------------------------------------------------- Variable declaration
167:
168: %courseopt=();
169: %useropt=();
170: %bighash=();
171:
172: @ids=();
173: %symbp=();
174: %typep=();
175:
176: $uname=$ENV{'form.uname'};
177: $udom=$ENV{'form.udom'};
178: unless ($udom) { $uname=''; }
179: $uhome='';
180: my $message='';
181: if ($uname) {
182: $uhome=&Apache::lonnet::homeserver($uname,$udom);
183: }
184: if ($uhome eq 'no_host') {
185: $message=
186: "<h3><font color=red>Unknown user '$uname' at domain '$udom'</font></h3>";
187: $uname='';
188: }
189:
190: $csec=$ENV{'form.csec'};
191: unless ($csec) { $csec=''; }
192: $fcat=$ENV{'form.fcat'};
193: unless ($fcat) { $fcat=''; }
194:
195: # ------------------------------------------------------------------- Tie hashs
196: if ((tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
197: &GDBM_READER,0640)) &&
198: (tie(%parmhash,'GDBM_File',
199: $ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640))) {
200:
201: # -------------------------------------------------------------- Get coursedata
202: my $reply=&Apache::lonnet::reply('dump:'.
203: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'.
204: $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.':resourcedata',
205: $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
206: if ($reply!~/^error\:/) {
207: map {
208: my ($name,$value)=split(/\=/,$_);
209: $courseopt{unescape($name)}=unescape($value);
210: } split(/\&/,$reply);
211: }
212: # --------------------------------------------------- Get userdata (if present)
213: if ($uname) {
214: my $reply=
215: &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
216: if ($reply!~/^error\:/) {
217: map {
218: my ($name,$value)=split(/\=/,$_);
219: $useropt{unescape($name)}=unescape($value);
220: } split(/\&/,$reply);
221: }
222: }
223: # --------------------------------------------------------- Get all assessments
224: map {
225: if ($_=~/^src\_(\d+)\.(\d+)$/) {
226: my $mapid=$1;
227: my $resid=$2;
228: my $id=$mapid.'.'.$resid;
229: if ($bighash{$_}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
230: $ids[$#ids+1]=$id;
231: $typep{$id}=$1;
232: $mapp{$id}=
233: &Apache::lonnet::declutter($bighash{'map_id_'.$mapid});
234: $symbp{$id}=$mapp{$id}.
235: '___'.$resid.'___'.
236: &Apache::lonnet::declutter($bighash{$_});
237: }
238: }
239: } keys %bighash;
240: # ------------------------------------------------------------------- Sort this
241: @ids=sort bycat @ids;
242: # ------------------------------------------------------------------ Start page
243: $r->content_type('text/html');
244: $r->send_http_header;
245: $r->print(<<ENDHEAD);
246: <html>
247: <head>
248: <title>LON-CAPA Assessment Parameters</title>
249: <script>
250: function pclose() {
251: parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
252: "height=350,width=350,scrollbars=no,menubar=no");
253: parmwin.close();
254: }
255:
256: function pjump(type,dis,value,marker,ret,call) {
257: parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
258: +"&value="+escape(value)+"&marker="+escape(marker)
259: +"&return="+escape(ret)
260: +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
261: "height=350,width=350,scrollbars=no,menubar=no");
262:
263: }
264: </script>
265: </head>
266: <body bgcolor="#FFFFFF" onUnload="pclose()">
267: <h1>Set Assessment Parameters</h1>
268: <form method="post" action="/adm/parmset" name="parmform">
269: <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
270: <b>
271: Section/Group:
272: <input type="text" value="$csec" size="6" name="csec"
273: onBlur="this.form.submit();">
274: <br>
275: For User
276: <input type="text" value="$uname" size="12" name="uname"
277: onBlur="if (this.form.udom.value) { this.form.submit(); }">
278: at Domain
279: <input type="text" value="$udom" size="6" name="udom"
280: onBlur="if (this.form.uname.value) { this.form.submit(); }">
281: </b>
282: ENDHEAD
283:
284: if ($uhome eq 'no_host') {
285: $r->print($message);
286: }
287: $r->print('<p>Sort list by ');
288: $r->print('<select name="fcat" onChange="this.form.submit();">');
289: my $k;
290: my @sopt=('map','Map','name','Problem Name','deadline','Deadline');
291: for ($k=0;$k<$#sopt;$k=$k+2) {
292: $r->print('<option value="'.$sopt[$k].'"');
293: if ($fcat eq $sopt[$k]) { $r->print(' selected'); }
294: $r->print('>'.$sopt[$k+1].'</option>');
295: }
296: $r->print('</select>');
297: # ----------------------------------------------------------------- Start Table
298: my $coursespan=$csec?8:5;
299: $r->print(<<ENDTABLEHEAD);
300: <p><table border=2>
301: <tr><td colspan=5></td>
302: <th colspan=$coursespan>Any User</th>
303: ENDTABLEHEAD
304: if ($uname) {
305: $r->print("<th colspan=3 rowspan=2>User $uname at Domain $udom</th>");
306: }
307: $r->print(<<ENDTABLETWO);
308: <th rowspan=3>Parameter in Effect</th></tr><tr><td colspan=5></td>
309: <th colspan=2>Resource Level</th>
310: <th colspan=3>in Course</th>
311: ENDTABLETWO
312: if ($csec) {
313: $r->print("<th colspan=3>in Section/Group $csec</th>");
314: }
315: $r->print(<<ENDTABLEHEADFOUR);
316: </tr><tr><th>Assessment URL and Title</th><th>Type</th>
317: <th>Enclosing Map</th><th>Part No.</th><th>Parameter Name</th>
318: <th>default</th><th>from Enclosing Map</th>
319: <th>general</th><th>for Enclosing Map</th><th>for Resource</th>
320: ENDTABLEHEADFOUR
321: if ($csec) {
322: $r->print('<th>general</th><th>for Enclosing Map</th><th>for Resource</th>');
323: }
324: if ($uname) {
325: $r->print('<th>general</th><th>for Enclosing Map</th><th>for Resource</th>');
326: }
327: $r->print('</tr><tr>');
328: map {
329: # ------------------------------------------------------ Entry for one resource
330: @outpar=();
331: my $rid=$_;
332: my $thistitle='';
333: my %name= ('0_deadline' => 'deadline');
334: my %part= ('0_deadline' => '0');
335: my %display=('0_deadline' => 'Deadline');
336: my %type= ('0_deadline' => 'date_end');
337: my %default=('0_deadline' => time);
338: my %metadata=&Apache::lonmeta::unpackagemeta(
339: &Apache::lonnet::getfile('/home/httpd/html/'.$bighash{'src_'.$rid}.'.meta'),1);
340: map {
341: if ($_=~/^parameter\_(\d+)\_(\w+)$/) {
342: my $hashid=$1.'_'.$2;
343: $part{$hashid}=$1;
344: $name{$hashid}=$2;
345: my $tdef;
346: ($tdef,$display{$hashid})=
347: split(/\_\_dis\_\_/,$metadata{$_});
348: ($type{$hashid},$default{$hashid})=split(/\:/,$tdef);
349: unless ($display{$hashid}) {
350: $display{$hashid}=$name{$hashid};
351: }
352: }
353: if ($_ eq 'title') {
354: $thistitle=$metadata{$_};
355: }
356: } keys %metadata;
357: my $totalparms=scalar keys %name;
358: $r->print('<td rowspan='.$totalparms.'><tt><font size=-1>'.
359: join(' / ',split(/\//,&Apache::lonnet::declutter($bighash{'src_'.$rid}))).
360: '</font></tt><p><b>'.
361: $bighash{'title_'.$rid});
362: if ($thistitle) {
363: $r->print(' ('.$thistitle.')');
364: }
365: $r->print('</b></td>');
366: $r->print('<td rowspan='.$totalparms.'>'.$typep{$rid}.'</td>');
367: $r->print('<td rowspan='.$totalparms.'><tt><font size=-1>'.
368: join(' / ',split(/\//,$mapp{$rid})).'</font></tt></td>');
369: map {
370:
371: my $result=&parmval($part{$_}.'.'.$name{$_},$rid,$default{$_});
372:
373: $r->print("<td>$part{$_}</td><td>$display{$_}</td>");
374:
375: $r->print('<td>'.&valout($outpar[11],$type{$_}).'</td>');
376: $r->print('<td>'.&valout($outpar[10],$type{$_}).'</td>');
377: $r->print('<td>'.
378: &plink($type{$_},$display{$_},$outpar[9]).'</td>');
379: $r->print('<td>'.
380: &plink($type{$_},$display{$_},$outpar[8]).'</td>');
381: $r->print('<td>'.
382: &plink($type{$_},$display{$_},$outpar[7]).'</td>');
383: if ($csec) {
384: $r->print('<td>'.
385: &plink($type{$_},$display{$_},$outpar[6]).'</td>');
386: $r->print('<td>'.
387: &plink($type{$_},$display{$_},$outpar[5]).'</td>');
388: $r->print('<td>'.
389: &plink($type{$_},$display{$_},$outpar[4]).'</td>');
390: }
391: if ($uname) {
392: $r->print('<td>'.
393: &plink($type{$_},$display{$_},$outpar[3]).'</td>');
394: $r->print('<td>'.
395: &plink($type{$_},$display{$_},$outpar[2]).'</td>');
396: $r->print('<td>'.
397: &plink($type{$_},$display{$_},$outpar[1]).'</td>');
398: }
399: $r->print('<td>'.&valout($outpar[$result],$type{$_}).'</td>');
400: $r->print("</tr>\n<tr>");
401: } sort keys %name;
402: # -------------------------------------------------- End entry for one resource
403: } @ids;
404: $r->print('</table></form></body></html>');
405: untie(%bighash);
406: untie(%parmhash);
407: }
408: } else {
409: # ----------------------------- Not in a course, or not allowed to modify parms
410: $ENV{'user.error.msg'}=
411: "/adm/parmset:opa:0:0:Cannot modify assessment parameters";
412: return HTTP_NOT_ACCEPTABLE;
413: }
414: return OK;
415: }
416:
417: 1;
418: __END__
419:
420:
421:
422:
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