Annotation of loncom/interface/lonchart.pm, revision 1.4
1.1 www 1: # The LearningOnline Network with CAPA
2: # Homework Performance Chart
3: #
4: # (Navigate Maps Handler
5: #
6: # (Page Handler
7: #
8: # (TeX Content Handler
9: #
10: # 05/29/00,05/30 Gerd Kortemeyer)
11: # 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23,
12: # 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer)
13: #
14: # 3/1/1,6/1,17/1,29/1,30/1 Gerd Kortemeyer)
15: #
16: # 1/31 Gerd Kortemeyer
17:
18: package Apache::lonchart;
19:
20: use strict;
21: use Apache::Constants qw(:common :http);
22: use Apache::lonnet();
23: use HTML::TokeParser;
24: use GDBM_File;
25:
26: # -------------------------------------------------------------- Module Globals
27: my %hash;
28: my @cols;
29: my @rowlabels;
30: my @students;
31:
32: # ------------------------------------------------------------- Find out status
33:
34: sub astatus {
1.2 www 35: my ($rid,$student)=@_;
36: my ($uname,$udom)=split(/\:/,$student);
1.1 www 37: my $code=' ';
38: $rid=~/(\d+)\.(\d+)/;
39: my $symb=&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'.
40: &Apache::lonnet::declutter($hash{'src_'.$rid});
41: my $answer=&Apache::lonnet::reply(
1.2 www 42: "restore:$udom:$uname:".
1.1 www 43: $ENV{'request.course.id'}.':'.
44: &Apache::lonnet::escape($symb),
1.2 www 45: &Apache::lonnet::homeserver($uname,$udom));
1.1 www 46: my %returnhash=();
47: map {
48: my ($name,$value)=split(/\=/,$_);
49: $returnhash{&Apache::lonnet::unescape($name)}=
50: &Apache::lonnet::unescape($value);
51: } split(/\&/,$answer);
52: if ($returnhash{'version'}) {
53: my $version;
54: for ($version=1;$version<=$returnhash{'version'};$version++) {
55: map {
56: $returnhash{$_}=$returnhash{$version.':'.$_};
57: } split(/\:/,$returnhash{$version.':keys'});
58: }
59: my $totaltries=0;
60: map {
61: if (($_=~/\.(\w+)\.solved$/) && ($_!~/^\d+\:/)) {
62: my $part=$1;
63: if ($returnhash{$_} eq 'correct_by_student') {
64: unless (($code eq '.') || ($code eq '-')) { $code='*'; }
65: $totaltries+=$returnhash{'resource.'.$part.'.tries'};
66: } elsif ($returnhash{$_} eq 'correct_by_override') {
67: unless (($code eq '.') || ($code eq '-')) { $code='+'; }
68: } elsif ($returnhash{$_} eq 'incorrect_attempted') {
69: $code='.';
70: } elsif ($returnhash{$_} eq 'incorrect_by_override') {
71: $code='-';
72: } elsif ($returnhash{$_} eq 'excused') {
73: unless (($code eq '.') || ($code eq '-')) { $code='x'; }
74: }
75: }
76: } keys %returnhash;
77: if (($code eq '*') && ($totaltries<10)) { $code="$totaltries"; }
78: }
79: return $code;
80: }
81:
82: # ------------------------------------------------------------ Build page table
83:
84: sub tracetable {
85: my ($rid,$beenhere)=@_;
86: unless ($beenhere=~/\&$rid\&/) {
87: $beenhere.=$rid.'&';
88: if (defined($hash{'is_map_'.$rid})) {
89: if ($hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}}
90: eq 'sequence') {
91: $cols[$#cols+1]=0;
92: }
93: if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) &&
94: (defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) {
95: my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}};
96:
97: &tracetable($hash{'map_start_'.$hash{'src_'.$rid}},
98: '&'.$frid.'&');
99:
100: if ($hash{'src_'.$frid}) {
101: if ($hash{'src_'.$frid}=~
102: /\.(problem|exam|quiz|assess|survey|form)$/) {
103: $cols[$#cols+1]=$frid;
104: }
105: }
106:
107: }
108: } else {
109: if ($hash{'src_'.$rid}) {
110: if ($hash{'src_'.$rid}=~
111: /\.(problem|exam|quiz|assess|survey|form)$/) {
112: $cols[$#cols+1]=$rid;
113: }
114: }
115: }
116: if (defined($hash{'to_'.$rid})) {
117: map {
118: &tracetable($hash{'goesto_'.$_},$beenhere);
119: } split(/\,/,$hash{'to_'.$rid});
120: }
121: }
122: }
123:
124: # ================================================================ Main Handler
125:
126: sub handler {
127: my $r=shift;
128:
129: if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
130: # ------------------------------------------- Set document type for header only
131:
132: if ($r->header_only) {
133: if ($ENV{'browser.mathml'}) {
134: $r->content_type('text/xml');
135: } else {
136: $r->content_type('text/html');
137: }
138: $r->send_http_header;
139: return OK;
140: }
141:
142: my $requrl=$r->uri;
143: # ----------------------------------------------------------------- Tie db file
144: if ($ENV{'request.course.fn'}) {
145: my $fn=$ENV{'request.course.fn'};
146: if (-e "$fn.db") {
147: if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) {
148: # ------------------------------------------------------------------- Hash tied
149:
150:
151: # ------------------------------------------------------------------ Build page
152:
153: # ---------------------------------------------------------------- Send headers
154:
155: $r->content_type('text/html');
156: $r->send_http_header;
157: $r->print(
158: '<html><head><title>LON-CAPA Assessment Chart</title></head>');
159:
160: $r->print('<body bgcolor="#FFFFFF">'.
161: '<script>window.focus();</script>'.
162: '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
163: '<h1>Assessment Chart</h1>');
164:
165: # ---------------------------------------------------------------- Course title
166:
167: $r->print('<h1>'.
168: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}.'</h1>');
169:
170:
171: # ------------------------------- This is going to take a while, produce output
172:
173: $r->rflush();
174:
175: # ----------------------- Get first and last resource, see if there is anything
176:
177:
178: my $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}};
179: my $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}};
180: if (($firstres) && ($lastres)) {
181: # ----------------------------------------------------------------- Render page
182:
183: my $cid=$ENV{'request.course.id'};
184: my $chome=$ENV{'course.'.$cid.'.home'};
185: my ($cdom,$cnum)=split(/\_/,$cid);
186:
187: # ---------------------------------------------- Read class list and row labels
188:
189: undef @rowlabels;
190: undef @students;
191:
192: my $classlst=&Apache::lonnet::reply
193: ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
194: my $now=time;
195: unless ($classlst=~/^error\:/) {
196: map {
197: my ($name,$value)=split(/\=/,$_);
198: my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value));
199: my $active=1;
200: if (($end) && ($now>$end)) { $active=0; }
201: if ($active) {
202: my $thisindex=$#students+1;
203: $name=&Apache::lonnet::unescape($name);
204: $students[$thisindex]=$name;
205: my ($sname,$sdom)=split(/\:/,$name);
206: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
207: if ($ssec==-1) {
208: $rowlabels[$thisindex]=
209: 'Data not available: '.$name;
210: } else {
211: my %reply=&Apache::lonnet::idrget($sdom,$sname);
1.3 albertel 212: my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
213: ':environment:lastname&generation&firstname&middlename',
214: &Apache::lonnet::homeserver($sname,$sdom));
1.1 www 215: $rowlabels[$thisindex]=
1.3 albertel 216: sprintf('%3s',$ssec).' '.$reply{$sname}.' ';
217: my $i=0;
1.1 www 218: map {
1.3 albertel 219: $i++;
220: if ( $_ ne '') {
1.4 ! albertel 221: $rowlabels[$thisindex].=&Apache::lonnet::unescape($_).' ';
1.3 albertel 222: }
223: if ($i == 2) {
224: chop($rowlabels[$thisindex]);
225: $rowlabels[$thisindex].=', ';
226: }
1.1 www 227: } split(/\&/,$reply);
1.4 ! albertel 228:
! 229: }
1.1 www 230: }
231: } sort split(/\&/,$classlst);
232:
233: } else {
234: $r->print('<h1>Could not access course data</h1>');
235: }
236:
237: my $allstudents=$#students+1;
238: $r->print('<h3>'.$allstudents.' students</h3>');
239: $r->rflush();
240:
241: # --------------- Find all assessments and put them into some linear-like order
242:
243: &tracetable($firstres,'&'.$lastres.'&');
244:
245: # ----------------------------------------------------------------- Start table
246:
247: $r->print('<p><pre>');
248: my $index;
249: for ($index=0;$index<=$#students;$index++) {
250: $r->print(
251: substr($students[$index].
252: ' ',0,14).' ! '.
1.2 www 253: substr($rowlabels[$index].
1.1 www 254: ' ',0,45).' ! ');
255: map {
256: if ($_) {
257: $r->print(&astatus($_,$students[$index]));
258: } else {
259: $r->print(' ! ');
260: }
261: } @cols;
262: $r->print("\n");
263: $r->rflush();
264: }
265: $r->print('</pre>');
266:
267: } else {
268: $r->print('<h3>Undefined course sequence</h3>');
269: }
270:
271: $r->print('</body></html>');
272:
273: # ------------------------------------------------------------- End render page
274: } else {
275: $r->content_type('text/html');
276: $r->send_http_header;
277: $r->print('<html><body>Coursemap undefined.</body></html>');
278: }
279: # ------------------------------------------------------------------ Untie hash
280: unless (untie(%hash)) {
281: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
282: "Could not untie coursemap $fn (browse).</font>");
283: }
284:
285: # -------------------------------------------------------------------- All done
286: return OK;
287: # ----------------------------------------------- Errors, hash could no be tied
288: }
289: } else {
290: $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
291: return HTTP_NOT_ACCEPTABLE;
292: }
293: } else {
294: $ENV{'user.error.msg'}=
295: $r->uri.":vgr:0:0:Cannot view grades for complete course";
296: return HTTP_NOT_ACCEPTABLE;
297:
298: }
299: }
300: 1;
301: __END__
302:
303:
304:
305:
306:
307:
308:
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