Annotation of loncom/interface/lonnavmaps.pm, revision 1.32
1.2 www 1: # The LearningOnline Network with CAPA
2: # Navigate Maps Handler
1.1 www 3: #
1.32 ! albertel 4: # $Id: lonnavmaps.pm,v 1.31 2002/03/15 23:39:41 albertel Exp $
1.20 albertel 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: #
1.2 www 28: # (Page Handler
1.1 www 29: #
1.2 www 30: # (TeX Content Handler
1.1 www 31: #
1.2 www 32: # 05/29/00,05/30 Gerd Kortemeyer)
33: # 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23,
34: # 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer)
1.1 www 35: #
1.17 www 36: # 3/1/1,6/1,17/1,29/1,30/1,2/8,9/21,9/24,9/25 Gerd Kortemeyer
1.21 www 37: # YEAR=2002
38: # 1/1 Gerd Kortemeyer
39: #
1.2 www 40:
1.1 www 41: package Apache::lonnavmaps;
42:
43: use strict;
1.2 www 44: use Apache::Constants qw(:common :http);
45: use Apache::lonnet();
1.18 albertel 46: use Apache::loncommon();
1.2 www 47: use HTML::TokeParser;
48: use GDBM_File;
49:
50: # -------------------------------------------------------------- Module Globals
51: my %hash;
52: my @rows;
53:
1.10 www 54: #
55: # These cache hashes need to be independent of user, resource and course
56: # (user and course can/should be in the keys)
57: #
58:
59: my %courserdatas;
60: my %userrdatas;
61:
62: #
63: # These global hashes are dependent on user, course and resource,
64: # and need to be initialized every time when a sheet is calculated
65: #
66: my %courseopt;
67: my %useropt;
68: my %parmhash;
69:
1.2 www 70: # ------------------------------------------------------------------ Euclid gcd
71:
72: sub euclid {
73: my ($e,$f)=@_;
74: my $a; my $b; my $r;
75: if ($e>$f) { $b=$e; $r=$f; } else { $r=$e; $b=$f; }
76: while ($r!=0) {
77: $a=$b; $b=$r;
78: $r=$a%$b;
79: }
80: return $b;
81: }
82:
1.10 www 83: # --------------------------------------------------------------------- Parmval
84:
85: # -------------------------------------------- Figure out a cascading parameter
86: #
87: # For this function to work
88: #
89: # * parmhash needs to be tied
90: # * courseopt and useropt need to be initialized for this user and course
91: #
92:
93: sub parmval {
94: my ($what,$symb)=@_;
95: my $cid=$ENV{'request.course.id'};
96: my $csec=$ENV{'request.course.sec'};
97: my $uname=$ENV{'user.name'};
98: my $udom=$ENV{'user.domain'};
99:
100: unless ($symb) { return ''; }
101: my $result='';
102:
103: my ($mapname,$id,$fn)=split(/\_\_\_/,$symb);
104:
105: # ----------------------------------------------------- Cascading lookup scheme
1.24 albertel 106: my $rwhat=$what;
107: $what=~s/^parameter\_//;
108: $what=~s/\_/\./;
109:
110: my $symbparm=$symb.'.'.$what;
111: my $mapparm=$mapname.'___(all).'.$what;
112: my $usercourseprefix=$uname.'_'.$udom.'_'.$cid;
113:
114: my $seclevel= $usercourseprefix.'.['.$csec.'].'.$what;
115: my $seclevelr=$usercourseprefix.'.['.$csec.'].'.$symbparm;
116: my $seclevelm=$usercourseprefix.'.['.$csec.'].'.$mapparm;
117:
118: my $courselevel= $usercourseprefix.'.'.$what;
119: my $courselevelr=$usercourseprefix.'.'.$symbparm;
120: my $courselevelm=$usercourseprefix.'.'.$mapparm;
121:
122: # ---------------------------------------------------------- first, check user
123: if ($uname) {
124: if ($useropt{$courselevelr}) { return $useropt{$courselevelr}; }
125: if ($useropt{$courselevelm}) { return $useropt{$courselevelm}; }
126: if ($useropt{$courselevel}) { return $useropt{$courselevel}; }
127: }
1.10 www 128:
1.24 albertel 129: # ------------------------------------------------------- second, check course
130: if ($csec) {
131: if ($courseopt{$seclevelr}) { return $courseopt{$seclevelr}; }
1.25 albertel 132: if ($courseopt{$seclevelm}) { return $courseopt{$seclevelm}; }
1.10 www 133: if ($courseopt{$seclevel}) { return $courseopt{$seclevel}; }
1.24 albertel 134: }
1.10 www 135:
1.24 albertel 136: if ($courseopt{$courselevelr}) { return $courseopt{$courselevelr}; }
137: if ($courseopt{$courselevelm}) { return $courseopt{$courselevelm}; }
138: if ($courseopt{$courselevel}) { return $courseopt{$courselevel}; }
1.10 www 139:
1.24 albertel 140: # ----------------------------------------------------- third, check map parms
1.10 www 141:
1.24 albertel 142: my $thisparm=$parmhash{$symbparm};
143: if ($thisparm) { return $thisparm; }
1.10 www 144:
1.24 albertel 145: # ----------------------------------------------------- fourth , check default
1.10 www 146:
1.25 albertel 147: my $default=&Apache::lonnet::metadata($fn,$rwhat.'.default');
148: if ($default) { return $default}
149:
150: # --------------------------------------------------- fifth , cascade up parts
151:
152: my ($space,@qualifier)=split(/\./,$rwhat);
153: my $qualifier=join('.',@qualifier);
154: unless ($space eq '0') {
155: my ($part,$id)=split(/\_/,$space);
156: if ($id) {
157: my $partgeneral=&parmval($part.".$qualifier",$symb);
158: if ($partgeneral) { return $partgeneral; }
159: } else {
160: my $resourcegeneral=&parmval("0.$qualifier",$symb);
161: if ($resourcegeneral) { return $resourcegeneral; }
162: }
163: }
164: return '';
1.10 www 165: }
166:
167:
168:
1.9 www 169: # ------------------------------------------------------------- Find out status
1.25 albertel 170: # return codes
171: # tcode (timecode)
172: # 1: will open later
173: # 2: is open and not past due yet
174: # 3: is past due date
175: # 4: due in the next 24 hours
176: #
177: # code (curent solved status)
178: # 1: not attempted
179: # 2: attempted but wrong, or incorrect by instructor
180: # 3: solved or correct by instructor
1.29 albertel 181: # 4: partially correct (one or more parts correct)
182: # "excused" needs to be supported, but is not yet.
1.9 www 183: sub astatus {
184: my $rid=shift;
1.29 albertel 185: my $code=0;
1.9 www 186: my $ctext='';
187: $rid=~/(\d+)\.(\d+)/;
1.10 www 188: my $symb=&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'.
1.24 albertel 189: &Apache::lonnet::declutter($hash{'src_'.$rid});
1.15 www 190: my %duedate=();
191: my %opendate=();
192: my %answerdate=();
1.25 albertel 193: # need to always check part 0's open/due/answer status
194: foreach (sort(split(/\,/,&Apache::lonnet::metadata($hash{'src_'.$rid},'keys')))) {
1.15 www 195: if ($_=~/^parameter\_(.*)\_opendate$/) {
196: my $part=$1;
197: $duedate{$part}=&parmval($part.'.duedate',$symb);
198: $opendate{$part}=&parmval($part.'.opendate',$symb);
199: $answerdate{$part}=&parmval($part.'.answerdate',$symb);
200: }
1.25 albertel 201: }
1.11 www 202: my $now=time;
203: my $tcode=0;
1.16 www 204:
205: my %returnhash=&Apache::lonnet::restore($symb);
206:
1.25 albertel 207: foreach (sort(keys(%opendate))) {
1.24 albertel 208: my $duedate=$duedate{$_};
209: my $opendate=$opendate{$_};
210: my $answerdate=$answerdate{$_};
211: my $preface='';
212: unless ($_ eq '0') { $preface=' Part: '.$_.' '; }
213: if ($opendate) {
1.25 albertel 214: if ($now<$duedate || (!$duedate)) {
215: unless ($tcode==4) { $tcode=2; }
216: if ($duedate) {
217: $ctext.=$preface.'Due: '.localtime($duedate);
218: } else {
219: $ctext.=$preface.'No Due Date';
220: }
221: if ($now<$opendate) {
222: unless ($tcode) { $tcode=1; }
1.24 albertel 223: $ctext.=$preface.'Open: '.localtime($opendate);
224: }
1.25 albertel 225: if ($duedate && $duedate-$now<86400) {
1.24 albertel 226: $tcode=4;
227: $ctext.=$preface.'Due: '.localtime($duedate);
228: }
229: } else {
230: unless (($tcode==4) || ($tcode eq 2)) { $tcode=3; }
1.25 albertel 231: if ($now<$answerdate) {
1.24 albertel 232: $ctext.='Answer: '.localtime($duedate);
233: }
234: }
235: } else {
236: unless (($tcode==2) || ($tcode==4)) { $tcode=1; }
237: }
238:
239: my $status=$returnhash{'resource.'.$_.'.solved'};
1.25 albertel 240:
1.24 albertel 241: if ($status eq 'correct_by_student') {
1.30 albertel 242: if ($code==0||$code==3) { $code=3; } else { $code=4; }
1.24 albertel 243: $ctext.=' solved';
244: } elsif ($status eq 'correct_by_override') {
1.30 albertel 245: if ($code==0||$code==3) { $code=3; } else { $code=4; }
1.24 albertel 246: $ctext.=' override';
247: } elsif ($status eq 'incorrect_attempted') {
1.29 albertel 248: if ($code!=4 && $code!=3) { $code=2; }
249: if ($code==3) { $code=4; }
1.24 albertel 250: $ctext.=' ('.
251: ($returnhash{'resource.'.$_.'.tries'}?
1.25 albertel 252: $returnhash{'resource.'.$_.'.tries'}:'0');
253: my $numtries = &parmval($_.'.maxtries',$symb);
254: if ($numtries) { $ctext.='/'.$numtries.' tries'; }
255: $ctext.=')';
1.24 albertel 256: } elsif ($status eq 'incorrect_by_override') {
1.29 albertel 257: if ($code!=4 && $code!=3) { $code=2; }
258: if ($code==3) { $code=4; }
1.24 albertel 259: $ctext.=' override';
260: } elsif ($status eq 'excused') {
1.30 albertel 261: if ($code==0||$code==3) { $code=3; } else { $code=4; }
1.24 albertel 262: $ctext.=' excused';
1.29 albertel 263: } else {
264: if ($code==0) { $code=1; }
1.24 albertel 265: }
1.25 albertel 266: }
1.16 www 267:
1.11 www 268: return 'p'.$code.$tcode.'"'.$ctext.'"';
1.9 www 269: }
270:
1.2 www 271:
1.31 albertel 272: sub addresource {
1.32 ! albertel 273: my ($resource,$sofar,$rid,$showtypes,$indent,$linkid)=@_;
1.31 albertel 274: if ($showtypes eq 'problems') {
275: if ($resource!~/\.(problem|exam|quiz|assess|survey|form)$/) {
276: return;
1.32 ! albertel 277: }
1.31 albertel 278: }
279: my $brepriv=&Apache::lonnet::allowed('bre',$resource);
280: if ($hash{'src_'.$rid}) {
281: if (($brepriv eq '2') || ($brepriv eq 'F')) {
282: my $pprefix='';
283: if ($resource=~/\.(problem|exam|quiz|assess|survey|form)$/) {
284: $pprefix=&astatus($rid);
1.28 albertel 285: }
1.32 ! albertel 286: $$sofar++;
! 287: if ($indent) { $pprefix='i'.$indent.','.$pprefix; }
! 288: if ($linkid) { $pprefix='l'.$linkid.','.$pprefix; }
! 289: if (defined($rows[$$sofar])) {
! 290: $rows[$$sofar].='&'.$pprefix.$rid;
1.28 albertel 291: } else {
1.32 ! albertel 292: $rows[$$sofar]=$pprefix.$rid;
1.28 albertel 293: }
1.31 albertel 294: }
295: }
296: }
297:
298: sub followlinks () {
1.32 ! albertel 299: my ($rid,$sofar,$beenhere,$further,$showtypes,$indent,$linkid)=@_;
1.31 albertel 300: my $mincond=1;
301: my $next='';
302: foreach (split(/\,/,$hash{'to_'.$rid})) {
303: my $thiscond=
304: &Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}});
305: if ($thiscond>=$mincond) {
306: if ($next) {
307: $next.=','.$_.':'.$thiscond;
308: } else {
309: $next=$_.':'.$thiscond;
1.28 albertel 310: }
1.31 albertel 311: if ($thiscond>$mincond) { $mincond=$thiscond; }
312: }
313: }
1.32 ! albertel 314: my $col=0;
! 315: &Apache::lonxml::debug("following links -$next-");
1.31 albertel 316: foreach (split(/\,/,$next)) {
1.32 ! albertel 317: my ($nextlinkid,$condval)=split(/\:/,$_);
1.31 albertel 318: if ($condval>=$mincond) {
1.32 ! albertel 319: my $now=&tracetable($sofar,$hash{'goesto_'.$nextlinkid},
! 320: $beenhere,$showtypes,$indent,$linkid);
! 321: if ($now>$further) {
! 322: if ($col>0) {
! 323: my $string;
! 324: for(my $i=0;$i<$col;$i++) { $string.='&'; }
! 325: for(my $i=$further+1;$now-1>$i;$i++) {
! 326: $rows[$i]=$string.$rows[$i];
! 327: }
! 328: }
! 329: $further=$now;
! 330: }
1.31 albertel 331: }
1.32 ! albertel 332: $col++;
1.31 albertel 333: }
334: return $further;
335: }
336: # ------------------------------------------------------------ Build page table
337:
338: sub tracetable {
1.32 ! albertel 339: my ($sofar,$rid,$beenhere,$showtypes,$indent,$linkid)=@_;
! 340: my $newshowtypes=$showtypes;
! 341: my $newlinkid=$linkid;
1.31 albertel 342: my $further=$sofar;
343: #$Apache::lonxml::debug=1;
1.32 ! albertel 344: &Apache::lonxml::debug("$rid ; $linkid ; $sofar ; $beenhere ; ".$hash{'src_'.$rid});
! 345: if ($beenhere=~/\&$rid\&/) { return $further; }
! 346: $beenhere.=$rid.'&';
1.31 albertel 347:
348: if (defined($hash{'is_map_'.$rid})) {
349: $sofar++;
350: my $tprefix='';
351: if ($hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}}
352: eq 'sequence') {
353: $tprefix='h';
354: } elsif ($hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}}
355: eq 'page') {
1.32 ! albertel 356: $tprefix='j';
! 357: if ($indent) { $tprefix='i'.$indent.','.$tprefix; }
! 358: $newshowtypes='problems';
! 359: $indent++;
! 360: $newlinkid=$rid;
1.31 albertel 361: }
362: if (defined($rows[$sofar])) {
363: $rows[$sofar].='&'.$tprefix.$rid;
1.28 albertel 364: } else {
1.31 albertel 365: $rows[$sofar]=$tprefix.$rid;
366: }
367: if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) &&
368: (defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) {
369: my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}};
1.32 ! albertel 370: $sofar=&tracetable($sofar,$hash{'map_start_'.$hash{'src_'.$rid}},
! 371: '&'.$frid.'&',$newshowtypes,$indent,$newlinkid);
! 372: &addresource($hash{'src_'.$frid},\$sofar,$frid,$newshowtypes,
! 373: $indent,$newlinkid);
! 374: if ($tprefix =~ /j$/) { $indent--; }
1.28 albertel 375: }
1.31 albertel 376: } else {
1.32 ! albertel 377: &addresource($hash{'src_'.$rid},\$sofar,$rid,$showtypes,
! 378: $indent,$linkid);
1.31 albertel 379: }
380:
381: if (defined($hash{'to_'.$rid})) {
1.32 ! albertel 382: $further=&followlinks($rid,$sofar,$beenhere,$further,$showtypes,
! 383: $indent,$linkid);
1.2 www 384: }
1.31 albertel 385:
1.2 www 386: return $further;
387: }
388:
389: # ================================================================ Main Handler
1.1 www 390:
391: sub handler {
1.28 albertel 392: my $r=shift;
1.2 www 393:
394:
395: # ------------------------------------------- Set document type for header only
396:
1.28 albertel 397: if ($r->header_only) {
398: if ($ENV{'browser.mathml'}) {
399: $r->content_type('text/xml');
400: } else {
401: $r->content_type('text/html');
402: }
403: $r->send_http_header;
404: return OK;
405: }
406: my $requrl=$r->uri;
407: my $hashtied;
1.2 www 408: # ----------------------------------------------------------------- Tie db file
1.28 albertel 409: my $fn;
410: if ($ENV{'request.course.fn'}) {
411: $fn=$ENV{'request.course.fn'};
412: if (-e "$fn.db") {
413: if ((tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) &&
414: (tie(%parmhash,'GDBM_File',
415: $ENV{'request.course.fn'}.'_parms.db',
416: &GDBM_READER,0640))) {
417: $hashtied=1;
418: }
419: }
420: }
421: if (!$hashtied) {
422: $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
423: return HTTP_NOT_ACCEPTABLE;
424: }
425:
1.2 www 426: # ------------------------------------------------------------------- Hash tied
1.28 albertel 427:
428: if ($ENV{'browser.mathml'}) {
429: $r->content_type('text/xml');
430: } else {
431: $r->content_type('text/html');
432: }
433: &Apache::loncommon::no_cache($r);
434: $r->send_http_header;
435:
436: my $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}};
437: my $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}};
438: if (!(($firstres) && ($lastres))) {
439: $r->print('<html><body>Coursemap undefined.</body></html>');
440: } else {
441:
1.2 www 442: # ----------------------------------------------------------------- Render page
1.10 www 443: # -------------------------------------------------------------- Set parameters
444:
445:
446: # ---------------------------- initialize coursedata and userdata for this user
1.28 albertel 447: undef %courseopt;
448: undef %useropt;
1.10 www 449:
1.28 albertel 450: my $uname=$ENV{'user.name'};
451: my $udom=$ENV{'user.domain'};
452: my $uhome=$ENV{'user.home'};
453: my $cid=$ENV{'request.course.id'};
454: my $chome=$ENV{'course.'.$cid.'.home'};
455: my ($cdom,$cnum)=split(/\_/,$cid);
1.10 www 456:
1.28 albertel 457: my $userprefix=$uname.'_'.$udom.'_';
1.10 www 458:
1.28 albertel 459: unless ($uhome eq 'no_host') {
1.10 www 460: # -------------------------------------------------------------- Get coursedata
1.28 albertel 461: unless ((time-$courserdatas{$cid.'.last_cache'})<240) {
462: my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.
463: ':resourcedata',$chome);
464: if ($reply!~/^error\:/) {
465: $courserdatas{$cid}=$reply;
466: $courserdatas{$cid.'.last_cache'}=time;
467: }
468: }
469: foreach (split(/\&/,$courserdatas{$cid})) {
470: my ($name,$value)=split(/\=/,$_);
471: $courseopt{$userprefix.&Apache::lonnet::unescape($name)}=
472: &Apache::lonnet::unescape($value);
473: }
1.10 www 474: # --------------------------------------------------- Get userdata (if present)
1.28 albertel 475: unless ((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<240) {
476: my $reply=&Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
477: if ($reply!~/^error\:/) {
478: $userrdatas{$uname.'___'.$udom}=$reply;
479: $userrdatas{$uname.'___'.$udom.'.last_cache'}=time;
480: }
481: }
482: foreach (split(/\&/,$userrdatas{$uname.'___'.$udom})) {
483: my ($name,$value)=split(/\=/,$_);
484: $useropt{$userprefix.&Apache::lonnet::unescape($name)}=
485: &Apache::lonnet::unescape($value);
486: }
487: }
488:
489: @rows=();
490:
1.32 ! albertel 491: &tracetable(0,$firstres,'&'.$lastres.'&','',0);
1.28 albertel 492: if ($hash{'src_'.$lastres}) {
493: my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$lastres});
494: if (($brepriv eq '2') || ($brepriv eq 'F')) {
495: $rows[$#rows+1]=''.$lastres;
496: }
497: }
1.2 www 498:
499: # ------------------------------------------------------------------ Page parms
500:
1.28 albertel 501: my $j;
502: my $i;
503: my $lcm=1;
504: my $contents=0;
1.2 www 505:
506: # ---------------------------------------------- Go through table to get layout
507:
1.28 albertel 508: for ($i=0;$i<=$#rows;$i++) {
509: if ($rows[$i]) {
1.32 ! albertel 510: &Apache::lonxml::debug("Row $i is:".$rows[$i]);
1.28 albertel 511: $contents++;
512: my @colcont=split(/\&/,$rows[$i]);
513: $lcm*=($#colcont+1)/euclid($lcm,($#colcont+1));
514: }
515: }
1.5 www 516:
1.2 www 517:
1.28 albertel 518: unless ($contents) {
519: $r->print('<html><body>Empty Map.</body></html>');
520: } else {
1.10 www 521:
1.2 www 522: # ------------------------------------------------------------------ Build page
523:
1.28 albertel 524: my $currenturl=$ENV{'form.postdata'};
525: $currenturl=~s/^http\:\/\///;
526: $currenturl=~s/^[^\/]+//;
1.13 www 527:
1.2 www 528: # ---------------------------------------------------------------- Send headers
529:
1.28 albertel 530: my $date=localtime;
531: my $now=time;
1.21 www 532: # ----------------------------------------- Get email status and discussiontime
533:
1.28 albertel 534: my %emailstatus=&Apache::lonnet::dump('email_status');
535: my $logouttime=$emailstatus{'logout'};
536: my $courseleave=$emailstatus{'logout_'.$ENV{'request.course.id'}};
537: my $lastcheck=($courseleave>$logouttime?$courseleave:$logouttime);
538:
539: my %discussiontimes=&Apache::lonnet::dump('discussiontimes',
540: $cdom,$cnum);
541:
542: my %feedback=();
543: my %error=();
544: foreach my $msgid (split(/\&/,&Apache::lonnet::reply('keys:'.
545: $ENV{'user.domain'}.':'.
546: $ENV{'user.name'}.':nohist_email',
547: $ENV{'user.home'}))) {
548: $msgid=&Apache::lonnet::unescape($msgid);
549: my $plain=&Apache::lonnet::unescape(&Apache::lonnet::unescape($msgid));
550: if ($plain=~/(Error|Feedback) \[([^\]]+)\]/) {
551: my ($what,$url)=($1,$2);
552: my %status=
553: &Apache::lonnet::get('email_status',[$msgid]);
554: if ($status{$msgid}=~/^error\:/) {
555: $status{$msgid}='';
556: }
557:
558: if (($status{$msgid} eq 'new') ||
559: (!$status{$msgid})) {
560: if ($what eq 'Error') {
561: $error{$url}.=','.$msgid;
562: } else {
563: $feedback{$url}.=','.$msgid;
564: }
565: }
566: }
567: }
1.22 www 568: # ----------------------------------------------------------- Start Page Output
1.28 albertel 569: $r->print('<html><head><title>Navigate LON-CAPA Maps</title></head>');
570: $r->print('<body bgcolor="#FFFFFF"');
571: if (($currenturl=~/^\/res/) &&
572: ($currenturl!~/^\/res\/adm/)) {
573: $r->print(' onLoad="window.location.hash='."'curloc'".'"');
574: }
575: $r->print('><script>window.focus();</script>'.
576: '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
577: '<h1>Navigate Course Map</h1>'.
578: "<h3>$date</h3>");
579: $r->rflush();
580: $r->print('<img src="/adm/lonMisc/chat.gif"> New discussion since '.
581: localtime($lastcheck).
582: '<br><img src="/adm/lonMisc/feedback.gif"> New message (click to open)<p>');
583: if (($currenturl=~/^\/res/) &&
584: ($currenturl!~/^\/res\/adm/)) {
585: $r->print('<a href="#curloc">Current Location</a><p>');
586: }
1.13 www 587: # ----------------------------------------------------- The little content list
1.28 albertel 588: for ($i=0;$i<=$#rows;$i++) {
589: if ($rows[$i]) {
590: my @colcont=split(/\&/,$rows[$i]);
591: my $avespan=$lcm/($#colcont+1);
592: for ($j=0;$j<=$#colcont;$j++) {
593: my $rid=$colcont[$j];
594: if ($rid=~/^h(.+)/) {
595: $rid=$1;
596: $r->print(' <a href="#'.
597: $rid.'">'.$hash{'title_'.$rid}.
598: '</a><br>');
599: }
600: }
601: }
602: }
1.2 www 603: # ----------------------------------------------------------------- Start table
1.28 albertel 604: $r->print('<hr><table cols="'.$lcm.'" border="0">');
605: for ($i=0;$i<=$#rows;$i++) {
606: if ($rows[$i]) {
607: $r->print("\n<tr>");
608: my @colcont=split(/\&/,$rows[$i]);
609: my $avespan=$lcm/($#colcont+1);
610: for ($j=0;$j<=$#colcont;$j++) {
1.32 ! albertel 611: my $indent;my $indentstr;
! 612: my $linkid;
1.28 albertel 613: my $rid=$colcont[$j];
1.32 ! albertel 614: my $add='<td>';
1.28 albertel 615: my $adde='</td>';
616: my $hwk='<font color="#223322">';
617: my $hwke='</font>';
1.32 ! albertel 618: if ($rid=~/^l(\d+\.\d+),(.+)/) { $linkid=$1; $rid=$2; }
! 619: if ($rid=~/^i(\d+),(.+)/) { $indent=$1; $rid=$2; }
1.28 albertel 620: if ($rid=~/^h(.+)/) {
621: $rid=$1;
622: $add='<th bgcolor="#AAFF55"><a name="'.$rid.'">';
623: $adde='</th>';
624: }
1.32 ! albertel 625: if ($rid=~/^j(.+)/) { $rid=$1; }
1.28 albertel 626: if ($rid=~/^p(\d)(\d)\"([\w\: \(\)\/\,]*)\"(.+)/) {
627: # sub astatus describes what code/tcode mean
628: my $code=$1;
629: my $tcode=$2;
630: my $ctext=$3;
631: $rid=$4;
632: if ($tcode eq '1') {
633: $add='<td bgcolor="#AAAAAA">';
634: }
635: if ($code eq '3') {
636: $add='<td bgcolor="#AAFFAA">';
1.30 albertel 637: } elsif ($code eq '4') {
638: $add='<td bgcolor="#E0FFAA">';
1.28 albertel 639: } else {
640: $add='<td bgcolor="#FFAAAA">';
641: if ($tcode eq '2') {
642: $add='<td bgcolor="#FFFFAA">';
643: }
644: if ($tcode eq '4') {
645: $add='<td bgcolor="#FFFF33">';
646: $adde='</td>';
647: }
648: }
649: $hwk='<font color="#888811"><b>';
650: $hwke='</b></font>';
651: if ($code eq '1') {
652: $hwke='</b> ('.$ctext.')</font>';
653: }
1.30 albertel 654: if ($code eq '2' || $code eq '4') {
1.28 albertel 655: $hwk='<font color="#992222"><b>';
656: $hwke='</b> ('.$ctext.')</font>';
657: }
658: if ($code eq '3') {
659: $hwk='<font color="#229922"><b>';
660: $hwke='</b> ('.$ctext.')</font>';
661: }
662: }
663: if ($hash{'src_'.$rid} eq $currenturl) {
664: $add=$add.'<a name="curloc"></a>'.
665: '<font color=red size=+2><b>> </b></font>';
666: $adde=
667: '<font color=red size=+2><b> <</b></font>'.$adde;
668: }
669: my $src=
670: &Apache::lonnet::declutter($hash{'src_'.$rid});
671: $rid=~/^(\d+)\.(\d+)$/;
672: my $symb=
673: &Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'.$src;
674: if ($discussiontimes{$symb}>$lastcheck) {
675: $adde=
676: '<img border=0 src="/adm/lonMisc/chat.gif">'.
677: $adde;
678: }
679: if ($error{$src}) {
680: foreach (split(/\,/,$error{$src})) {
681: if ($_) {
682: $adde=
683: ' <a href="/adm/email?display='.
684: &Apache::lonnet::escape($_).
685: '"><img src="/adm/lonMisc/bomb.gif" border=0></a>'
686: .$adde;
687: }
688: }
689: }
690: if ($feedback{$src}) {
691: foreach (split(/\,/,$feedback{$src})) {
692: if ($_) {
693: $adde=
694: ' <a href="/adm/email?display='.
695: &Apache::lonnet::escape($_).
696: '"><img src="/adm/lonMisc/feedback.gif" border=0></a>'
697: .$adde;
698: }
699: }
700: }
1.32 ! albertel 701: if ($indent) {
! 702: my $is=" ";
! 703: for(my $i=-1;$i<$indent;$i++) { $indentstr.=$is; }
! 704: }
! 705: if (!$linkid) { $linkid=$rid; }
! 706: $r->print($add.$indentstr.
! 707: '<a href="'.$hash{'src_'.$linkid}.'">'.$hwk.
1.28 albertel 708: $hash{'title_'.$rid}.$hwke.'</a>'.$adde);
709: }
710: $r->print('</tr>');
711: }
712: }
713: $r->print("\n</table>");
714: $r->print('</body></html>');
1.2 www 715: # -------------------------------------------------------------------- End page
1.28 albertel 716: }
1.2 www 717: # ------------------------------------------------------------- End render page
1.28 albertel 718: }
1.2 www 719: # ------------------------------------------------------------------ Untie hash
1.28 albertel 720: unless (untie(%hash)) {
721: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
722: "Could not untie coursemap $fn (browse).</font>");
723: }
724: unless (untie(%parmhash)) {
725: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
726: "Could not untie parmhash (browse).</font>");
727: }
728: return OK;
1.2 www 729: }
1.1 www 730:
731: 1;
732: __END__
1.2 www 733:
734:
735:
736:
737:
738:
739:
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