Annotation of loncom/interface/lonnavmaps.pm, revision 1.45
1.2 www 1: # The LearningOnline Network with CAPA
2: # Navigate Maps Handler
1.1 www 3: #
1.45 ! bowersj2 4: # $Id: lonnavmaps.pm,v 1.44 2002/09/01 19:29:00 www 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}) {
1.37 www 281: if (($brepriv eq '2') || ($brepriv eq 'F')) {
1.31 albertel 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;
1.31 albertel 341: my $further=$sofar;
1.44 www 342: # $Apache::lonxml::debug=1;
1.32 albertel 343: &Apache::lonxml::debug("$rid ; $linkid ; $sofar ; $beenhere ; ".$hash{'src_'.$rid});
344: if ($beenhere=~/\&$rid\&/) { return $further; }
345: $beenhere.=$rid.'&';
1.31 albertel 346:
347: if (defined($hash{'is_map_'.$rid})) {
348: $sofar++;
349: my $tprefix='';
350: if ($hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}}
351: eq 'sequence') {
352: $tprefix='h';
353: } elsif ($hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}}
354: eq 'page') {
1.32 albertel 355: $tprefix='j';
356: if ($indent) { $tprefix='i'.$indent.','.$tprefix; }
1.33 albertel 357: if ($linkid) { $tprefix='l'.$linkid.','.$tprefix; }
1.32 albertel 358: $newshowtypes='problems';
359: $indent++;
1.33 albertel 360: #if in a .page continue to link the encompising .page
361: if (!$linkid) { $linkid=$rid; }
1.31 albertel 362: }
363: if (defined($rows[$sofar])) {
364: $rows[$sofar].='&'.$tprefix.$rid;
1.28 albertel 365: } else {
1.31 albertel 366: $rows[$sofar]=$tprefix.$rid;
367: }
368: if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) &&
369: (defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) {
370: my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}};
1.32 albertel 371: $sofar=&tracetable($sofar,$hash{'map_start_'.$hash{'src_'.$rid}},
1.33 albertel 372: '&'.$frid.'&',$newshowtypes,$indent,$linkid);
1.32 albertel 373: &addresource($hash{'src_'.$frid},\$sofar,$frid,$newshowtypes,
1.33 albertel 374: $indent,$linkid);
375: if ($tprefix =~ /j$/) { $indent--; $linkid=''; }
1.28 albertel 376: }
1.31 albertel 377: } else {
1.32 albertel 378: &addresource($hash{'src_'.$rid},\$sofar,$rid,$showtypes,
379: $indent,$linkid);
1.31 albertel 380: }
381:
382: if (defined($hash{'to_'.$rid})) {
1.32 albertel 383: $further=&followlinks($rid,$sofar,$beenhere,$further,$showtypes,
384: $indent,$linkid);
1.2 www 385: }
1.31 albertel 386:
1.2 www 387: return $further;
388: }
389:
390: # ================================================================ Main Handler
1.1 www 391:
392: sub handler {
1.28 albertel 393: my $r=shift;
1.2 www 394:
395:
396: # ------------------------------------------- Set document type for header only
397:
1.28 albertel 398: if ($r->header_only) {
399: if ($ENV{'browser.mathml'}) {
400: $r->content_type('text/xml');
401: } else {
402: $r->content_type('text/html');
403: }
404: $r->send_http_header;
405: return OK;
406: }
407: my $requrl=$r->uri;
408: my $hashtied;
1.2 www 409: # ----------------------------------------------------------------- Tie db file
1.28 albertel 410: my $fn;
411: if ($ENV{'request.course.fn'}) {
412: $fn=$ENV{'request.course.fn'};
413: if (-e "$fn.db") {
1.40 albertel 414: if ((tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640)) &&
1.28 albertel 415: (tie(%parmhash,'GDBM_File',
416: $ENV{'request.course.fn'}.'_parms.db',
1.40 albertel 417: &GDBM_READER(),0640))) {
1.28 albertel 418: $hashtied=1;
419: }
420: }
421: }
422: if (!$hashtied) {
423: $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
424: return HTTP_NOT_ACCEPTABLE;
425: }
426:
1.2 www 427: # ------------------------------------------------------------------- Hash tied
1.28 albertel 428:
429: if ($ENV{'browser.mathml'}) {
430: $r->content_type('text/xml');
431: } else {
432: $r->content_type('text/html');
433: }
434: &Apache::loncommon::no_cache($r);
435: $r->send_http_header;
436:
1.42 www 437: my $firstres=$hash{'map_start_'.
438: &Apache::lonnet::clutter($ENV{'request.course.uri'})};
439: my $lastres=$hash{'map_finish_'.
440: &Apache::lonnet::clutter($ENV{'request.course.uri'})};
1.28 albertel 441: if (!(($firstres) && ($lastres))) {
442: $r->print('<html><body>Coursemap undefined.</body></html>');
443: } else {
444:
1.2 www 445: # ----------------------------------------------------------------- Render page
1.10 www 446: # -------------------------------------------------------------- Set parameters
447:
448:
449: # ---------------------------- initialize coursedata and userdata for this user
1.28 albertel 450: undef %courseopt;
451: undef %useropt;
1.10 www 452:
1.28 albertel 453: my $uname=$ENV{'user.name'};
454: my $udom=$ENV{'user.domain'};
455: my $uhome=$ENV{'user.home'};
456: my $cid=$ENV{'request.course.id'};
457: my $chome=$ENV{'course.'.$cid.'.home'};
458: my ($cdom,$cnum)=split(/\_/,$cid);
1.10 www 459:
1.28 albertel 460: my $userprefix=$uname.'_'.$udom.'_';
1.10 www 461:
1.28 albertel 462: unless ($uhome eq 'no_host') {
1.10 www 463: # -------------------------------------------------------------- Get coursedata
1.28 albertel 464: unless ((time-$courserdatas{$cid.'.last_cache'})<240) {
465: my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.
466: ':resourcedata',$chome);
467: if ($reply!~/^error\:/) {
468: $courserdatas{$cid}=$reply;
469: $courserdatas{$cid.'.last_cache'}=time;
470: }
471: }
472: foreach (split(/\&/,$courserdatas{$cid})) {
473: my ($name,$value)=split(/\=/,$_);
474: $courseopt{$userprefix.&Apache::lonnet::unescape($name)}=
475: &Apache::lonnet::unescape($value);
476: }
1.10 www 477: # --------------------------------------------------- Get userdata (if present)
1.28 albertel 478: unless ((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<240) {
479: my $reply=&Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
480: if ($reply!~/^error\:/) {
481: $userrdatas{$uname.'___'.$udom}=$reply;
482: $userrdatas{$uname.'___'.$udom.'.last_cache'}=time;
483: }
484: }
485: foreach (split(/\&/,$userrdatas{$uname.'___'.$udom})) {
486: my ($name,$value)=split(/\=/,$_);
487: $useropt{$userprefix.&Apache::lonnet::unescape($name)}=
488: &Apache::lonnet::unescape($value);
489: }
490: }
491:
492: @rows=();
493:
1.44 www 494: &tracetable(0,$firstres,'&','',0);
1.2 www 495:
496: # ------------------------------------------------------------------ Page parms
497:
1.28 albertel 498: my $j;
499: my $i;
500: my $lcm=1;
501: my $contents=0;
1.2 www 502:
503: # ---------------------------------------------- Go through table to get layout
504:
1.28 albertel 505: for ($i=0;$i<=$#rows;$i++) {
506: if ($rows[$i]) {
1.32 albertel 507: &Apache::lonxml::debug("Row $i is:".$rows[$i]);
1.28 albertel 508: $contents++;
509: my @colcont=split(/\&/,$rows[$i]);
510: $lcm*=($#colcont+1)/euclid($lcm,($#colcont+1));
511: }
512: }
1.5 www 513:
1.2 www 514:
1.28 albertel 515: unless ($contents) {
516: $r->print('<html><body>Empty Map.</body></html>');
517: } else {
1.10 www 518:
1.2 www 519: # ------------------------------------------------------------------ Build page
520:
1.28 albertel 521: my $currenturl=$ENV{'form.postdata'};
522: $currenturl=~s/^http\:\/\///;
523: $currenturl=~s/^[^\/]+//;
1.13 www 524:
1.2 www 525: # ---------------------------------------------------------------- Send headers
526:
1.28 albertel 527: my $date=localtime;
528: my $now=time;
1.21 www 529: # ----------------------------------------- Get email status and discussiontime
530:
1.28 albertel 531: my %emailstatus=&Apache::lonnet::dump('email_status');
532: my $logouttime=$emailstatus{'logout'};
533: my $courseleave=$emailstatus{'logout_'.$ENV{'request.course.id'}};
534: my $lastcheck=($courseleave>$logouttime?$courseleave:$logouttime);
535:
536: my %discussiontimes=&Apache::lonnet::dump('discussiontimes',
537: $cdom,$cnum);
538:
539: my %feedback=();
540: my %error=();
541: foreach my $msgid (split(/\&/,&Apache::lonnet::reply('keys:'.
542: $ENV{'user.domain'}.':'.
543: $ENV{'user.name'}.':nohist_email',
544: $ENV{'user.home'}))) {
545: $msgid=&Apache::lonnet::unescape($msgid);
546: my $plain=&Apache::lonnet::unescape(&Apache::lonnet::unescape($msgid));
547: if ($plain=~/(Error|Feedback) \[([^\]]+)\]/) {
548: my ($what,$url)=($1,$2);
549: my %status=
550: &Apache::lonnet::get('email_status',[$msgid]);
551: if ($status{$msgid}=~/^error\:/) {
552: $status{$msgid}='';
553: }
554:
555: if (($status{$msgid} eq 'new') ||
556: (!$status{$msgid})) {
557: if ($what eq 'Error') {
558: $error{$url}.=','.$msgid;
559: } else {
560: $feedback{$url}.=','.$msgid;
561: }
562: }
563: }
564: }
1.22 www 565: # ----------------------------------------------------------- Start Page Output
1.43 www 566: my $bodytagadd='';
567: $r->print(
568: '<html><head><title>Navigate Course Map</title></head>');
1.28 albertel 569: if (($currenturl=~/^\/res/) &&
570: ($currenturl!~/^\/res\/adm/)) {
1.43 www 571: $bodytagadd='onLoad="window.location.hash='."'curloc'".'"';
1.28 albertel 572: }
1.43 www 573: $r->print(&Apache::loncommon::bodytag('Navigate Course Map','',
574: $bodytagadd));
575: $r->print('<script>window.focus();</script>');
1.41 albertel 576: my $desc=$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
577: if (defined($desc)) { $r->print("<h2>$desc</h2>\n"); }
578: $r->print("<h3>$date</h3>\n");
1.28 albertel 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/($#colcont+1);
1.45 ! bowersj2 610:
! 611: # for each item I wish to print on this row...
1.28 albertel 612: for ($j=0;$j<=$#colcont;$j++) {
1.32 albertel 613: my $indent;my $indentstr;
614: my $linkid;
1.28 albertel 615: my $rid=$colcont[$j];
1.45 ! bowersj2 616:
! 617: # bug? $rid can't accept a list of two elements
1.36 www 618: $rid=~/(\d+)\.(\d+)$/;
619: my $src=
620: &Apache::lonnet::declutter($hash{'src_'.$1.'.'.$2});
621: my $symb=
622: &Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'.$src;
1.32 albertel 623: my $add='<td>';
1.28 albertel 624: my $adde='</td>';
625: my $hwk='<font color="#223322">';
626: my $hwke='</font>';
1.32 albertel 627: if ($rid=~/^l(\d+\.\d+),(.+)/) { $linkid=$1; $rid=$2; }
628: if ($rid=~/^i(\d+),(.+)/) { $indent=$1; $rid=$2; }
1.28 albertel 629: if ($rid=~/^h(.+)/) {
630: $rid=$1;
631: $add='<th bgcolor="#AAFF55"><a name="'.$rid.'">';
632: $adde='</th>';
1.36 www 633: if (($ENV{'user.adv'}) &&
634: ($parmhash{$symb.'.0.parameter_randompick'})) {
635: $adde=' (randomly select '.
636: $parmhash{$symb.'.0.parameter_randompick'}.
637: ')</th>';
638: }
1.28 albertel 639: }
1.32 albertel 640: if ($rid=~/^j(.+)/) { $rid=$1; }
1.28 albertel 641: if ($rid=~/^p(\d)(\d)\"([\w\: \(\)\/\,]*)\"(.+)/) {
642: # sub astatus describes what code/tcode mean
643: my $code=$1;
644: my $tcode=$2;
645: my $ctext=$3;
646: $rid=$4;
647: if ($tcode eq '1') {
648: $add='<td bgcolor="#AAAAAA">';
649: }
650: if ($code eq '3') {
651: $add='<td bgcolor="#AAFFAA">';
1.30 albertel 652: } elsif ($code eq '4') {
653: $add='<td bgcolor="#E0FFAA">';
1.28 albertel 654: } else {
1.45 ! bowersj2 655: $add='<td bgcolor="#CCCCFF">';
1.28 albertel 656: if ($tcode eq '2') {
657: $add='<td bgcolor="#FFFFAA">';
658: }
659: if ($tcode eq '4') {
660: $add='<td bgcolor="#FFFF33">';
661: $adde='</td>';
662: }
663: }
664: $hwk='<font color="#888811"><b>';
665: $hwke='</b></font>';
666: if ($code eq '1') {
667: $hwke='</b> ('.$ctext.')</font>';
668: }
1.30 albertel 669: if ($code eq '2' || $code eq '4') {
1.28 albertel 670: $hwk='<font color="#992222"><b>';
671: $hwke='</b> ('.$ctext.')</font>';
672: }
673: if ($code eq '3') {
674: $hwk='<font color="#229922"><b>';
675: $hwke='</b> ('.$ctext.')</font>';
676: }
677: }
1.33 albertel 678: if ($rid && $hash{'src_'.$rid} eq $currenturl) {
1.28 albertel 679: $add=$add.'<a name="curloc"></a>'.
680: '<font color=red size=+2><b>> </b></font>';
681: $adde=
682: '<font color=red size=+2><b> <</b></font>'.$adde;
683: }
684: if ($discussiontimes{$symb}>$lastcheck) {
685: $adde=
686: '<img border=0 src="/adm/lonMisc/chat.gif">'.
687: $adde;
688: }
689: if ($error{$src}) {
690: foreach (split(/\,/,$error{$src})) {
691: if ($_) {
692: $adde=
693: ' <a href="/adm/email?display='.
694: &Apache::lonnet::escape($_).
695: '"><img src="/adm/lonMisc/bomb.gif" border=0></a>'
696: .$adde;
697: }
698: }
699: }
700: if ($feedback{$src}) {
701: foreach (split(/\,/,$feedback{$src})) {
702: if ($_) {
703: $adde=
704: ' <a href="/adm/email?display='.
705: &Apache::lonnet::escape($_).
706: '"><img src="/adm/lonMisc/feedback.gif" border=0></a>'
707: .$adde;
708: }
709: }
710: }
1.32 albertel 711: if ($indent) {
712: my $is=" ";
713: for(my $i=-1;$i<$indent;$i++) { $indentstr.=$is; }
714: }
715: if (!$linkid) { $linkid=$rid; }
1.38 www 716: if ($hash{'randomout_'.$rid}) {
717: $adde=' <i>(hidden)</i>'.$adde;
718: }
1.33 albertel 719: $r->print($add.$indentstr);
720: if ($rid) {
1.34 www 721: $r->print('<a href="'.$hash{'src_'.$linkid}.
1.39 www 722: (($hash{'src_'.$linkid}=~/\?/)?'&':'?').
723: 'symb='.&Apache::lonnet::escape($symb)
1.35 www 724: .'">'.
1.33 albertel 725: $hwk.$hash{'title_'.$rid}.$hwke.'</a>');
726: }
727: $r->print($adde);
1.28 albertel 728: }
729: $r->print('</tr>');
730: }
731: }
732: $r->print("\n</table>");
733: $r->print('</body></html>');
1.2 www 734: # -------------------------------------------------------------------- End page
1.28 albertel 735: }
1.2 www 736: # ------------------------------------------------------------- End render page
1.28 albertel 737: }
1.2 www 738: # ------------------------------------------------------------------ Untie hash
1.28 albertel 739: unless (untie(%hash)) {
740: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
741: "Could not untie coursemap $fn (browse).</font>");
742: }
743: unless (untie(%parmhash)) {
744: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
745: "Could not untie parmhash (browse).</font>");
746: }
747: return OK;
1.2 www 748: }
1.1 www 749:
750: 1;
751: __END__
1.2 www 752:
753:
754:
755:
756:
757:
758:
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