Annotation of rat/lonpage.pm, revision 1.111.2.10.2.3
1.1 www 1: # The LearningOnline Network with CAPA
2: # Page Handler
3: #
1.111.2.10.2. (raeburn 4:): # $Id: lonpage.pm,v 1.111.2.10.2.2 2020/07/18 21:49:35 raeburn Exp $
1.29 www 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: #
1.30 harris41 28: ###
1.1 www 29:
1.88 jms 30:
31:
32:
1.1 www 33: package Apache::lonpage;
34:
35: use strict;
36: use Apache::Constants qw(:common :http);
1.70 albertel 37: use Apache::lonnet;
1.30 harris41 38: use Apache::loncommon();
1.102 raeburn 39: use Apache::lonhtmlcommon;
1.21 www 40: use Apache::lonxml();
1.57 raeburn 41: use Apache::lonlocal;
1.49 www 42: use Apache::lonmenu;
1.111 raeburn 43: use Apache::lonhomework;
1.111.2.10.2. (raeburn 44:): use Apache::lonparmset;
1.111.2.6 raeburn 45: use Apache::lonenc();
1.6 www 46: use HTML::TokeParser;
1.111.2.10.2. (raeburn 47:): use HTML::Entities();
1.1 www 48: use GDBM_File;
1.39 www 49: use Apache::lonsequence;
1.75 www 50: use lib '/home/httpd/lib/perl/';
51: use LONCAPA;
52:
1.1 www 53:
1.2 www 54: # -------------------------------------------------------------- Module Globals
55: my %hash;
56: my @rows;
1.6 www 57:
58: # ------------------------------------------------------------------ Euclid gcd
59:
60: sub euclid {
61: my ($e,$f)=@_;
62: my $a; my $b; my $r;
63: if ($e>$f) { $b=$e; $r=$f; } else { $r=$e; $b=$f; }
64: while ($r!=0) {
65: $a=$b; $b=$r;
66: $r=$a%$b;
67: }
68: return $b;
69: }
1.2 www 70:
71: # ------------------------------------------------------------ Build page table
72:
73: sub tracetable {
74: my ($sofar,$rid,$beenhere)=@_;
75: my $further=$sofar;
1.57 raeburn 76: my $randomout=0;
1.70 albertel 77: unless ($env{'request.role.adv'}) {
1.57 raeburn 78: $randomout = $hash{'randomout_'.$rid};
79: }
1.2 www 80: unless ($beenhere=~/\&$rid\&/) {
1.57 raeburn 81: $beenhere.=$rid.'&';
82: unless ($randomout) {
83: if (defined($hash{'is_map_'.$rid})) {
84: if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) &&
85: (defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) {
86: my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}};
87: $sofar=
88: &tracetable($sofar,$hash{'map_start_'.$hash{'src_'.$rid}},
1.87 albertel 89: '&'.$frid.$beenhere);
1.57 raeburn 90: $sofar++;
91: if ($hash{'src_'.$frid}) {
92: my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$frid});
93: if (($brepriv eq '2') || ($brepriv eq 'F')) {
94: if (defined($rows[$sofar])) {
95: $rows[$sofar].='&'.$frid;
96: } else {
97: $rows[$sofar]=$frid;
98: }
99: }
100: }
101: }
102: } else {
103: $sofar++;
104: if ($hash{'src_'.$rid}) {
105: my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$rid});
106: if (($brepriv eq '2') || ($brepriv eq 'F')) {
107: if (defined($rows[$sofar])) {
108: $rows[$sofar].='&'.$rid;
109: } else {
110: $rows[$sofar]=$rid;
111: }
112: }
113: }
114: }
115: }
116:
117: if (defined($hash{'to_'.$rid})) {
118: my $mincond=1;
119: my $next='';
120: foreach (split(/\,/,$hash{'to_'.$rid})) {
121: my $thiscond=
1.11 www 122: &Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}});
1.57 raeburn 123: if ($thiscond>=$mincond) {
124: if ($next) {
125: $next.=','.$_.':'.$thiscond;
126: } else {
127: $next=$_.':'.$thiscond;
128: }
129: if ($thiscond>$mincond) { $mincond=$thiscond; }
130: }
131: }
132: foreach (split(/\,/,$next)) {
133: my ($linkid,$condval)=split(/\:/,$_);
134: if ($condval>=$mincond) {
135: my $now=&tracetable($sofar,$hash{'goesto_'.$linkid},$beenhere);
136: if ($now>$further) { $further=$now; }
137: }
138: }
139: }
1.2 www 140: }
141: return $further;
142: }
143:
1.1 www 144: # ================================================================ Main Handler
145:
146: sub handler {
147: my $r=shift;
148:
1.3 www 149: # ------------------------------------------- Set document type for header only
1.1 www 150:
1.3 www 151: if ($r->header_only) {
1.70 albertel 152: if ($env{'browser.mathml'}) {
1.53 www 153: &Apache::loncommon::content_type($r,'text/xml');
1.3 www 154: } else {
1.53 www 155: &Apache::loncommon::content_type($r,'text/html');
1.3 www 156: }
157: $r->send_http_header;
158: return OK;
159: }
1.43 sakharuk 160:
1.39 www 161: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
162: ['forceselect','launch']);
1.43 sakharuk 163: my $number_of_columns = 1;
1.37 sakharuk 164: my $requrl=$r->uri;
1.70 albertel 165: my $target = $env{'form.grade_target'};
1.94 raeburn 166:
167: # Short term solution: define target as 'tex_answer' when retrieving answers
168: # for resources in a .page when generating printouts.
169: # A better long-term fix would be to modify the way problem rendering, and
170: # answer rendering are retrieved for individual resources when printing a .page,
171: # so rendered problem and answer are sequential for individual resources in
172: # the .page
173: #
174: if ($target eq 'answer') {
175: if ($env{'form.answer_output_mode'} eq 'tex') {
176: $target = 'tex_answer';
177: }
178: }
1.55 www 179: # &Apache::lonnet::logthis("Got a target of $target");
1.54 albertel 180: if ($target eq 'meta') {
181: &Apache::loncommon::content_type($r,'text/html');
182: $r->send_http_header;
183: return OK;
184: }
1.1 www 185: # ----------------------------------------------------------------- Tie db file
1.70 albertel 186: if (($env{'request.course.fn'}) && (!$env{'form.forceselect'})) {
187: my $fn=$env{'request.course.fn'};
1.1 www 188: if (-e "$fn.db") {
1.111.2.3 raeburn 189: my %buttonshide;
1.111.2.7 raeburn 190: my $hostname = $r->hostname();
1.111.2.10.2. (raeburn 191:): my $lonhost = $r->dir_config('lonHostID');
192:): my $ip = &Apache::lonnet::get_host_ip($lonhost);
1.44 albertel 193: if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640)) {
1.1 www 194: # ------------------------------------------------------------------- Hash tied
195: my $firstres=$hash{'map_start_'.$requrl};
196: my $lastres=$hash{'map_finish_'.$requrl};
197: if (($firstres) && ($lastres)) {
1.111 raeburn 198: # ------------------------------------------------------------- Countdown Timer
199: my $now = time;
1.111.2.10.2. (raeburn 200:): my ($pagefirstaccess,%hastimeleft,%countdowndisp,%donebutton,
201:): %donebtnextra,%buttonbytime,$donetime,$symbtosetdone);
1.111 raeburn 202: my ($pagesymb,$courseid,$domain,$name)=&Apache::lonnet::whichuser();
1.111.2.10.2. (raeburn 203:): unless ($pagesymb) {
204:): $pagesymb=&Apache::lonnet::symbread($requrl);
205:): }
1.111.2.2 raeburn 206: if ($pagesymb && ($courseid ne '') && ($domain ne '') && ($name ne '')) {
1.111 raeburn 207: my %times=&Apache::lonnet::get('firstaccesstimes',
208: [$courseid."\0".$pagesymb],
209: $domain,$name);
210: if ($times{$courseid."\0".$pagesymb} =~ /^\d+$/) {
211: $pagefirstaccess = $times{$courseid."\0".$pagesymb};
1.111.2.10.2. (raeburn 212:): if ($pagefirstaccess && $env{'form.LC_interval_done'} eq 'true') {
213:): $donetime = $now - $pagefirstaccess;
214:): }
1.111 raeburn 215: }
216: }
1.111.2.10.2. (raeburn 217:):
1.1 www 218: # ----------------------------------------------------------------- Render page
219:
1.3 www 220: @rows=();
1.2 www 221:
1.45 www 222: &tracetable(0,$firstres,'&');
1.2 www 223:
1.9 www 224: # ------------------------------------------------------------ Add to symb list
225:
1.2 www 226: my $i;
1.9 www 227: my %symbhash=();
228: for ($i=0;$i<=$#rows;$i++) {
229: if ($rows[$i]) {
230: my @colcont=split(/\&/,$rows[$i]);
1.73 albertel 231: foreach my $rid (@colcont) {
232: my ($mapid,$resid)=split(/\./,$rid);
233: $symbhash{$hash{'src_'.$rid}}=
234: [$hash{'src_'.$rid},$resid];
1.111.2.10.2. (raeburn 235:): if (($donetime) && ($symbtosetdone eq '')) {
236:): my $src = $hash{'src_'.$rid};
237:): if ($hash{'encrypted_'.$rid}) {
238:): $src=&Apache::lonenc::encrypted($src);
239:): }
240:): my ($mapid,$resid)=split(/\./,$rid);
241:): my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$src);
242:): if ($src =~ /$LONCAPA::assess_re/) {
243:): my @interval=&Apache::lonnet::EXT("resource.0.interval",$symb);
244:): if (@interval > 1) {
245:): if (($interval[1] eq 'map') && ($pagefirstaccess)) {
246:): my ($timelimit) = ($interval[0] =~ /^(\d+)/);
247:): if ($timelimit) {
248:): if ($pagefirstaccess + $timelimit > $now) {
249:): $symbtosetdone = $symb;
250:): }
251:): }
252:): }
253:): }
254:): }
255:): }
1.30 harris41 256: }
1.9 www 257: }
258: }
259: &Apache::lonnet::symblist($requrl,%symbhash);
260:
261: # ------------------------------------------------------------------ Page parms
262:
1.4 www 263: my $j;
1.6 www 264: my $lcm=1;
265: my $contents=0;
1.7 www 266: my $nforms=0;
1.96 raeburn 267: my $nuploads=0;
1.110 raeburn 268: my $ntimers=0;
1.96 raeburn 269: my %turninpaths;
270: my %multiresps;
271: my $turninparent;
1.6 www 272:
273: my %ssibody=();
274: my %ssibgcolor=();
275: my %ssitext=();
276: my %ssilink=();
277: my %ssivlink=();
278: my %ssialink=();
1.111.2.10.2. (raeburn 279:): my %cssrefs=();
280:): my %httpref=();
1.14 www 281:
1.6 www 282: my %cellemb=();
1.99 raeburn 283: my %cellexternal=();
1.3 www 284:
1.7 www 285: my $allscript='';
286: my $allmeta='';
287:
288: my $isxml=0;
289: my $xmlheader='';
290: my $xmlbody='';
291:
1.111.2.10.2. (raeburn 292:): # ---------------------------------------------------------- Handle Done button
293:):
294:): # Set the event timer to zero if the "done button" was clicked.
295:): if ($donetime && $symbtosetdone) {
296:): &Apache::lonparmset::storeparm_by_symb_inner($symbtosetdone,'0_interval',
297:): 2,$donetime,'date_interval',
298:): $name,$domain);
299:): undef($env{'form.LC_interval_done'});
300:): }
301:):
1.3 www 302: # --------------------------------------------- Get SSI output, post parameters
303:
1.2 www 304: for ($i=0;$i<=$#rows;$i++) {
1.4 www 305: if ($rows[$i]) {
1.6 www 306: $contents++;
1.3 www 307: my @colcont=split(/\&/,$rows[$i]);
1.6 www 308: $lcm*=($#colcont+1)/euclid($lcm,($#colcont+1));
1.30 harris41 309: foreach (@colcont) {
1.3 www 310: my $src=$hash{'src_'.$_};
1.111.2.3 raeburn 311: my $plainsrc = $src;
1.111.2.10.2. (raeburn 312:): my $anchor;
313:): if ($hash{'ext_'.$_} eq 'true:') {
314:): $cellexternal{$_}=($hash{'ext_'.$_} eq 'true:');
315:): $src =~ s{^/ext/}{http://};
316:): $src =~ s{http://https://}{https://};
317:): if ($src =~ /(\#[^#]+)$/) {
318:): $anchor = $1;
319:): $src =~ s/\#[^#]+$//;
320:): }
321:): }
322:): my $unencsrc = $src;
1.99 raeburn 323: my ($extension)=($src=~/\.(\w+)$/);
1.61 albertel 324: if ($hash{'encrypted_'.$_}) {
325: $src=&Apache::lonenc::encrypted($src);
326: }
1.111.2.3 raeburn 327: my ($mapid,$resid)=split(/\./,$_);
1.111.2.10.2. (raeburn 328:): my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$plainsrc);
1.111.2.3 raeburn 329: unless ($env{'request.role.adv'}) {
330: $buttonshide{$symb} = &Apache::lonnet::EXT("resource.0.buttonshide",$symb);
331: }
1.61 albertel 332: $cellemb{$_}=
333: &Apache::loncommon::fileembstyle($extension);
1.99 raeburn 334: if ($cellexternal{$_}) {
1.111.2.10.2. (raeburn 335:): if (($target eq 'tex') || ($target eq 'tex_answer')) {
336:): my $shown = $src.$anchor;
337:): if (($hash{'encrypted_'.$_}) && (!$env{'request.role.adv'})) {
338:): $shown = &mt('URL not shown (encrypted)');
339:): }
340:): my $title=&Apache::lonnet::gettitle($symb);
341:): $title = &Apache::lonxml::latex_special_symbols($title);
342:): $shown = &Apache::lonxml::latex_special_symbols($shown);
343:): $ssibody{$_} = ' \strut \\\\ \textit{'.$title.'} \strut \\\\ '.$shown.'\\\\';
344:): } else {
345:): my $showsrc = $src;
346:): my ($is_pdf,$title,$linktext);
347:): if ($unencsrc =~ /\.pdf$/i) {
348:): $is_pdf = 1;
349:): }
350:): if (($hash{'encrypted_'.$_}) && ($symb)) {
351:): $title=&Apache::lonnet::gettitle(&Apache::lonenc::encrypted($symb));
352:): } else {
353:): $title=&Apache::lonnet::gettitle($symb);
354:): }
355:): if ($env{'browser.mobile'}) {
356:): if ($is_pdf) {
357:): $linktext = &mt('Link to PDF (for mobile devices)');
358:): $ssibody{$_} = &create_extlink($unencsrc,$anchor,$title,$linktext);
359:): } else {
360:): $linktext = &mt('Link to resource');
361:): $ssibody{$_} = &create_extlink($unencsrc,$anchor,$title,$linktext);
362:): }
363:): } else {
364:): my $absolute = $env{'request.use_absolute'};
365:): my $uselink = &Apache::loncommon::is_nonframeable($unencsrc,$absolute,$hostname,$ip);
366:): if (($uselink) || (($ENV{'SERVER_PORT'} == 443) && ($unencsrc =~ m{^http://}))) {
367:): $linktext = &mt('Link to resource');
368:): $ssibody{$_} = &create_extlink($unencsrc,$anchor,$title,$linktext);
369:): } else {
370:): if (($hash{'encrypted_'.$_}) && ($symb) && (!$env{'request.role.adv'})) {
371:): $showsrc .= '?symb='.&Apache::lonenc::encrypted($symb);
372:): } elsif ($anchor) {
373:): $showsrc .= $anchor;
374:): }
375:): $ssibody{$_} = <<ENDEXT;
376:): <iframe src="$showsrc" width="100%" height="300px">No iframe support!</iframe>
1.99 raeburn 377: ENDEXT
1.111.2.10.2. (raeburn 378:): }
379:): }
1.99 raeburn 380: }
381: } elsif ($cellemb{$_} eq 'ssi') {
1.3 www 382: # --------------------------------------------------------- This is an SSI cell
1.111.2.5 raeburn 383: my $prefix='p_'.$_.'_';
384: my $idprefix='p_'.join('_',($mapid,$resid,''));
1.64 albertel 385: my %posthash=('request.prefix' => $prefix,
1.71 albertel 386: 'LONCAPA_INTERNAL_no_discussion' => 'true',
1.64 albertel 387: 'symb' => $symb);
1.94 raeburn 388: if (($env{'form.grade_target'} eq 'tex') ||
389: ($env{'form.answer_output_mode'} eq 'tex')) {
1.70 albertel 390: $posthash{'grade_target'}=$env{'form.grade_target'};
391: $posthash{'textwidth'}=$env{'form.textwidth'};
392: $posthash{'problem_split'}=$env{'form.problem_split'};
393: $posthash{'latex_type'}=$env{'form.latex_type'};
394: $posthash{'rndseed'}=$env{'form.rndseed'};
1.94 raeburn 395: $posthash{'answer_output_mode'} = $env{'form.answer_output_mode'};
1.56 sakharuk 396: }
1.111.2.8 raeburn 397: my $submitted=$env{'form.all_submit_pressed'};
1.72 albertel 398: if (!$submitted) {
399: foreach my $key (keys(%env)) {
1.111.2.8 raeburn 400: if ($key=~/^\Qform.$prefix\Esubmit_(.+)_pressed$/) {
401: if ($env{$key}) {
402: $submitted=1;
403: last;
404: }
1.72 albertel 405: }
1.111.2.8 raeburn 406: }
1.72 albertel 407: }
408: if ($submitted) {
409: foreach my $key (keys(%env)) {
1.111.2.8 raeburn 410: if ($key=~/^\Qform.$prefix\E/) {
1.72 albertel 411: my $name=$key;
1.111.2.8 raeburn 412: $name=~s/^\Qform.$prefix\E//;
1.72 albertel 413: $posthash{$name}=$env{$key};
1.111.2.8 raeburn 414: }
1.72 albertel 415: }
1.111.2.8 raeburn 416: if ($env{'form.all_submit_pressed'}) {
1.72 albertel 417: $posthash{'all_submit'}='yes';
418: }
1.111.2.9 raeburn 419: } elsif ($env{'form.'.$prefix.'markaccess'} eq 'yes') {
420: $posthash{'markaccess'} = $env{'form.'.$prefix.'markaccess'};
421: }
1.111.2.4 raeburn 422: if ($env{'environment.remote'} eq 'on') {
423: $posthash{'inhibitmenu'} = 'yes';
424: }
1.5 www 425: my $output=Apache::lonnet::ssi($src,%posthash);
1.77 albertel 426: $output=~s|//(\s*<!--)? BEGIN LON-CAPA Internal.+?// END LON-CAPA Internal\s*(-->)?\s||gs;
1.94 raeburn 427: if (($target eq 'tex') || ($target eq 'tex_answer')) {
1.111.2.1 raeburn 428: $output =~ s/^([^&]+)\\begin\{document}//;
429: $output =~ s/\\end\{document}//;
1.92 foxr 430: # $output = '\parbox{\minipagewidth}{ '.$output.' }';
1.46 sakharuk 431: #some additional cleanup necessary for LateX (due to limitations of table environment
432: $output =~ s/(\\vskip\s*\d+mm)\s*(\\\\)+/$1/g;
433: }
1.107 raeburn 434: my $matheditor;
435: if ($output =~ /\Qjavascript:LC_mathedit_HWVAL_\E/) {
436: $matheditor = 'dragmath';
437: } elsif ($output =~ /LCmathField/) {
438: $matheditor = 'lcmath';
439: }
1.6 www 440: my $parser=HTML::TokeParser->new(\$output);
441: my $token;
1.12 www 442: my $thisdir=$src;
1.6 www 443: my $bodydef=0;
1.7 www 444: my $thisxml=0;
1.12 www 445: my @rlinks=();
1.111.2.10.2. (raeburn 446:): my @css_hrefs=();
1.7 www 447: if ($output=~/\?xml/) {
448: $isxml=1;
449: $thisxml=1;
450: $output=~
451: /((?:\<(?:\?xml|\!DOC|html)[^\>]*(?:\>|\>\]\>)\s*)+)\<body[^\>]*\>/si;
452: $xmlheader=$1;
453: }
1.12 www 454: while ($token=$parser->get_token) {
455: if ($token->[0] eq 'S') {
456: if ($token->[1] eq 'a') {
457: if ($token->[2]->{'href'}) {
458: $rlinks[$#rlinks+1]=
459: $token->[2]->{'href'};
460: }
461: } elsif ($token->[1] eq 'img') {
462: $rlinks[$#rlinks+1]=
463: $token->[2]->{'src'};
464: } elsif ($token->[1] eq 'embed') {
465: $rlinks[$#rlinks+1]=
466: $token->[2]->{'src'};
467: } elsif ($token->[1] eq 'base') {
468: $thisdir=$token->[2]->{'href'};
469: } elsif ($token->[1] eq 'body') {
1.7 www 470: $bodydef=1;
471: $ssibgcolor{$_}=$token->[2]->{'bgcolor'};
472: $ssitext{$_}=$token->[2]->{'text'};
473: $ssilink{$_}=$token->[2]->{'link'};
474: $ssivlink{$_}=$token->[2]->{'vlink'};
475: $ssialink{$_}=$token->[2]->{'alink'};
476: if ($thisxml) {
477: $xmlbody=$token->[4];
478: }
1.12 www 479: } elsif ($token->[1] eq 'meta') {
1.28 albertel 480: if ($token->[4] !~ m:/>$:) {
1.7 www 481: $allmeta.="\n".$token->[4].'</meta>';
1.28 albertel 482: } else {
483: $allmeta.="\n".$token->[4];
484: }
1.12 www 485: } elsif (($token->[1] eq 'script') &&
486: ($bodydef==0)) {
1.7 www 487: $allscript.="\n\n"
488: .$parser->get_text('/script');
1.111.2.10.2. (raeburn 489:): } elsif (($token->[1] eq 'link') &&
490:): ($bodydef==0)) {
491:): if (($token->[2]->{'href'} !~ m{^/adm/}) &&
492:): ($token->[2]->{'rel'} eq 'stylesheet')) {
493:): $css_hrefs[$#css_hrefs+1]=
494:): $token->[2]->{'href'};
495:):
496:): }
1.6 www 497: }
1.12 www 498: }
499: }
1.6 www 500: if ($output=~/\<body[^\>]*\>(.*)/si) {
501: $output=$1;
502: }
503: $output=~s/\<\/body\>.*//si;
1.7 www 504: if ($output=~/\<form/si) {
1.110 raeburn 505: my $hastimer;
1.7 www 506: $nforms++;
507: $output=~s/\<form[^\>]*\>//gsi;
508: $output=~s/\<\/form[^\>]*\>//gsi;
1.96 raeburn 509: if ($output=~/\<input[^\>]+name\s*=\s*[\'\"]*HWFILE/) {
510: $nuploads++;
511: }
1.110 raeburn 512: if ($output=~/\<input[^\>]+name\s*=\s*[\'\"]*accessbutton/) {
513: $ntimers++;
514: $hastimer = 1;
515: }
1.17 www 516: $output=~
1.80 albertel 517: s/\<((?:input|select|button|textarea)[^\>]+)name\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\>]*)\>/\<$1 name="$prefix$2" $3\>/gsi;
1.101 raeburn 518: $output=~
519: s/\<((?:input|select|button|textarea)[^\>]+)id\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\>]*)\>/\<$1 id="$idprefix$2" $3\>/gsi;
1.111.2.5 raeburn 520: $output=~
521: s/(\Qthis.form.elements['\E)(HW(?:VAL|CHK)_[^']+\'\]\.(?:value=\'|checked))/$1$prefix$2/gsi;
1.110 raeburn 522: if ($hastimer) {
523: $output=~
524: s/\<(input[^\>]+name=\Q"$prefix\Eaccessbutton"[^\>]+)(?:\Qdocument.markaccess.submit();\E)([^\>]*)\>/\<$1pageTimer(this.form,'$prefix')$2\>/gsi;
525: $output=~ s/\<(input[^\>]+name=\Q"$prefix\Emarkaccess"[^\>]+value=["'])(?:yes)(['"][^\>]*)\>/\<$1$2\>/gsi;
526: }
1.107 raeburn 527: if ($matheditor eq 'dragmath') {
528: $output=~
529: s/(\Qjavascript:LC_mathedit_\E)(HWVAL_)([^'"]+?)(\(['"]*)(\QHWVAL_\E\3['"]\)\;void\(0\)\;)/$1$idprefix$2$3$4$idprefix$5/g;
530: $output=~
531: s/(function\s+LC_mathedit_)(HWVAL_)([^'"]+?)(\s+\(LCtextline\))/$1$idprefix$2$3$4/g;
532: } elsif ($matheditor eq 'lcmath') {
533: $output=~
534: s/(var\s+LCmathField\s+=\s+document\.getElementById\(['"])([^'"]+?)(['"]\)\;)/$1$idprefix$2$3/g;
535: }
1.105 raeburn 536: $output=~
537: s/(\Q<div id="msg_\E)(\Qsubmit_\E)([^"]*)(\Q" style="display:none">\E)/<input type="hidden" name="$prefix$2$3_pressed" id="$idprefix$2$3_pressed" value="" \/>$1$idprefix$2$3$4/g;
538: $output=~
539: s/(\Q<td class="LC_status_\E)(\Qsubmit_\E)([^\"]*)(\s*[^\"]*"\>)/$1$idprefix$2$3$4/g;
1.96 raeburn 540: if ($nuploads) {
541: ($turninpaths{$prefix},$multiresps{$prefix}) =
542: &Apache::loncommon::get_turnedin_filepath($symb,$env{'user.name'},$env{'user.domain'});
543: if ($turninparent eq '') {
544: $turninparent = $turninpaths{$prefix};
545: $turninparent =~ s{(/[^/]+)$}{};
546: }
547: }
1.95 raeburn 548: $output=~
549: s/\<((?:input|select)[^\>]+\Qjavascript:setSubmittedPart\E)\(\s*[\'\"]([^\'\"]+)[\'\"]*\s*\)/\<$1('$2','$prefix')/gsi;
1.108 raeburn 550: $output=~
551: s/\<(input[^\>]+\Qonfocus=\"javascript:disableAutoComplete\E)\(\'([^\']+)\'\)(;\")/\<$1('$idprefix$2')$3/gsi;
1.111 raeburn 552: unless ($hastimer) {
1.111.2.3 raeburn 553: if ($plainsrc =~ /$LONCAPA::assess_re/) {
1.111 raeburn 554: %Apache::lonhomework::history =
555: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
556: my $type = 'problem';
1.111.2.3 raeburn 557: if ($extension eq 'task') {
1.111 raeburn 558: $type = 'Task';
559: }
560: my ($status,$accessmsg,$slot_name,$slot) =
561: &Apache::lonhomework::check_slot_access('0',$type,$symb);
562: undef(%Apache::lonhomework::history);
563: my $probstatus = &Apache::lonnet::EXT("resource.0.problemstatus",$symb);
564: if (($status eq 'CAN_ANSWER') || (($status eq 'CANNOT_ANSWER') &&
1.111.2.10.2. (raeburn 565:): (($probstatus eq 'no') || ($probstatus eq 'no_feedback_ever'))) ||
566:): (($status eq 'NOT_YET_VIEWED') && ($posthash{'markaccess'} eq 'yes'))) {
1.111 raeburn 567: my ($slothastime,$timerhastime);
568: if ($slot_name ne '') {
569: if (ref($slot) eq 'HASH') {
570: if (($slot->{'starttime'} < $now) &&
571: ($slot->{'endtime'} > $now)) {
572: $slothastime = $now - $slot->{'endtime'};
573: }
574: }
575: }
576: my $duedate = &Apache::lonnet::EXT("resource.0.duedate",$symb);
577: my @interval=&Apache::lonnet::EXT("resource.0.interval",$symb);
578: if (@interval > 1) {
1.111.2.10.2. (raeburn 579:): my $first_access;
580:): if ($interval[1] eq 'map') {
581:): my $ignorecache;
582:): if ($env{'form.'.$prefix.'markaccess'} eq 'yes') {
583:): $ignorecache = 1;
584:): }
585:): $first_access=&Apache::lonnet::get_first_access($interval[1],undef,$pagesymb,$ignorecache);
586:): if (($first_access) && (!$pagefirstaccess)) {
587:): $pagefirstaccess = $first_access;
588:): }
589:): } else {
590:): $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
591:): }
1.111 raeburn 592: if ($first_access > 0) {
1.111.2.10.2. (raeburn 593:): my ($timelimit) = ($interval[0] =~ /^(\d+)/);
594:): if ($timelimit) {
595:): my $timeremains = $timelimit + $first_access - $now;
596:): if ($timeremains > 0) {
597:): $timerhastime = $timeremains;
598:): }
1.111 raeburn 599: }
600: }
601: }
602: if (($duedate && $duedate > $now) ||
603: (!$duedate && $timerhastime > 0) ||
604: ($slot_name ne '' && $slothastime)) {
605: if ((@interval > 1 && $timerhastime) ||
606: ($type eq 'Task' && $slothastime)) {
607: $countdowndisp{$symb} = 'inline';
608: if ((@interval > 1) && ($timerhastime)) {
609: $hastimeleft{$symb} = $timerhastime;
1.111.2.10.2. (raeburn 610:): if ($pagefirstaccess) {
611:): my ($timelimit,$usesdone,$donebuttontext,$proctor,$secret);
612:): ($timelimit,my $donesuffix) = split(/_/,$interval[0],2);
613:): if ($donesuffix =~ /^done\:([^\:]+)\:(.*)$/) {
614:): $usesdone = 'done';
615:): $donebuttontext = $1;
616:): (undef,$proctor,$secret) = split(/_/,$2);
617:): } elsif ($donesuffix =~ /^done(|_.+)$/) {
618:): $donebuttontext = &mt('Done');
619:): ($usesdone,$proctor,$secret) = split(/_/,$donesuffix);
620:): }
621:): if ($usesdone eq 'done') {
622:): $donebutton{$symb} = $timelimit;
623:): push(@{$buttonbytime{$timelimit}},$symb);
624:): $donebtnextra{$symb} = {
625:): text => $donebuttontext,
626:): proctor => $proctor,
627:): secret => $secret,
628:): type => $interval[1],
629:): };
630:): }
631:): }
1.111 raeburn 632: } else {
633: $hastimeleft{$symb} = $slothastime;
634: }
635: } else {
636: $hastimeleft{$symb} = $duedate - $now;
637: $countdowndisp{$symb} = 'none';
638: }
1.111.2.10.2. (raeburn 639:): unless ($donebutton{$symb}) {
640:): $donebutton{$symb} = 0;
641:): }
1.111 raeburn 642: }
643: }
644: }
645: }
1.7 www 646: }
1.12 www 647: $thisdir=~s/\/[^\/]*$//;
1.30 harris41 648: foreach (@rlinks) {
1.91 raeburn 649: unless (($_=~/^https?\:\/\//i) ||
1.31 albertel 650: ($_=~/^\//) ||
651: ($_=~/^javascript:/i) ||
652: ($_=~/^mailto:/i) ||
653: ($_=~/^\#/)) {
1.12 www 654: my $newlocation=
655: &Apache::lonnet::hreflocation($thisdir,$_);
656: $output=~s/(\"|\'|\=\s*)$_(\"|\'|\s|\>)/$1$newlocation$2/;
657: }
1.30 harris41 658: }
1.111.2.10.2. (raeburn 659:): foreach my $css_href (@css_hrefs) {
660:): next if ($css_href eq '');
661:): unless ($css_href =~ m{https?://}) {
662:): my $proburl = &Apache::lonnet::clutter($plainsrc);
663:): unless ($css_href =~ m{^/}) {
664:): my $probdir = $proburl;
665:): $probdir=~s/\/[^\/]*$//;
666:): $css_href = &Apache::lonnet::hreflocation($probdir,$css_href);
667:): }
668:): if ($css_href =~ m{^/(res|uploaded)/}) {
669:): unless (($env{'httpref.'.$css_href}) ||
670:): ($httpref{'httpref.'.$css_href}) ||
671:): (&Apache::lonnet::is_on_map($css_href))) {
672:): if ($env{'httpref.'.$proburl}) {
673:): $proburl = $env{'httpref.'.$proburl};
674:): }
675:): $httpref{'httpref.'.$css_href} = $proburl;
676:): }
677:): }
678:): }
679:): $cssrefs{$css_href} = 1;
680:): }
1.24 www 681: # -------------------------------------------------- Deal with Applet codebases
682: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
1.5 www 683: $ssibody{$_}=$output;
1.3 www 684: # ---------------------------------------------------------------- End SSI cell
685: }
1.30 harris41 686: }
1.4 www 687: }
1.2 www 688: }
1.6 www 689: unless ($contents) {
1.53 www 690: &Apache::loncommon::content_type($r,'text/html');
1.3 www 691: $r->send_http_header;
1.74 albertel 692: $r->print(&Apache::loncommon::start_page(undef,undef,
1.111.2.3 raeburn 693: {'force_register' => 1}));
1.59 raeburn 694: $r->print(&mt('This page is either empty or it only contains resources that are currently hidden').'. ');
1.74 albertel 695: $r->print('<br /><br />'.&mt('Please use the LON-CAPA navigation arrows to move to another item in the course').
696: &Apache::loncommon::end_page());
1.3 www 697: } else {
698: # ------------------------------------------------------------------ Build page
1.7 www 699:
700: # ---------------------------------------------------------------- Send headers
1.94 raeburn 701: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 702: if ($isxml) {
1.53 www 703: &Apache::loncommon::content_type($r,'text/xml');
1.37 sakharuk 704: } else {
1.53 www 705: &Apache::loncommon::content_type($r,'text/html');
1.37 sakharuk 706: }
1.74 albertel 707: $r->send_http_header;
1.7 www 708: # ------------------------------------------------------------------------ Head
1.37 sakharuk 709: if ($allscript) {
1.85 albertel 710: $allscript =
711: "\n".'<script type="text/javascript">'."\n".
712: $allscript.
713: "\n</script>\n";
1.37 sakharuk 714: }
1.96 raeburn 715: if (($nforms) && ($nuploads)) {
1.111.2.8 raeburn 716: $allscript .= &Apache::lonhtmlcommon::file_submissionchk_js(\%turninpaths,\%multiresps).
717: '<script type="text/javascript" '.
718: 'src="/res/adm/includes/file_upload.js"></script>';
1.96 raeburn 719: }
1.101 raeburn 720: if (($nforms) && (&Apache::lonhtmlcommon::htmlareabrowser())) {
721: my %textarea_args = (
722: dragmath => 'math',
723: );
724: $allscript .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
725: }
1.110 raeburn 726: if ($ntimers) {
727: $allscript .= '<script type="text/javascript">'."\n".
728: '// <![CDATA['."\n".
729: 'function pageTimer(form,prefix) {'."\n".
730: " form.elements[prefix+'markaccess'].value = 'yes';\n".
731: " form.submit();\n".
732: '}'."\n".
733: '// ]]>'.
734: "\n</script>\n";
735: }
1.111.2.10.2. (raeburn 736:): &Apache::lonhtmlcommon::clear_breadcrumb_tools();
1.111 raeburn 737: if (keys(%hastimeleft)) {
738: my (%uniquetimes,%uniquedisplays);
739: foreach my $item (values(%hastimeleft)) {
740: if (exists($uniquetimes{$item})) {
741: $uniquetimes{$item} ++;
742: } else {
743: $uniquetimes{$item} = 1;
744: }
745: }
1.111.2.10.2. (raeburn 746:): if (scalar(keys(%uniquetimes)) == 1) {
747:): my (%uniquedisplays,%uniquedones,$currdisp,$donebuttontime,
748:): $donebuttonextras);
1.111 raeburn 749: if (keys(%countdowndisp)) {
750: foreach my $item (values(%countdowndisp)) {
751: if (exists($uniquedisplays{$item})) {
752: $uniquedisplays{$item} ++;
753: } else {
754: $uniquedisplays{$item} = 1;
755: }
756: }
757: my @countdowndisplay = keys(%uniquedisplays);
758: if (scalar(@countdowndisplay) == 1) {
759: $currdisp = $countdowndisplay[0];
760: }
761: }
1.111.2.10.2. (raeburn 762:): if (keys(%donebutton)) {
763:): foreach my $item (values(%donebutton)) {
764:): if (exists($uniquedones{$item})) {
765:): $uniquedones{$item} ++;
766:): } else {
767:): $uniquedones{$item} = 1;
768:): }
769:): }
770:): my @donebuttons = sort { $ <=> $b } (keys(%uniquedones));
771:): if (scalar(@donebuttons) == 1) {
772:): if ($donebuttons[0]) {
773:): $donebuttontime = $donebuttons[0];
774:): if (ref($buttonbytime{$donebuttontime}) eq 'ARRAY') {
775:): $donebuttonextras = $donebtnextra{$buttonbytime{$donebuttontime}->[0]};
776:): }
777:): }
778:): }
779:): }
780:): &add_countdown_timer($currdisp,$donebuttontime,$donebuttonextras);
1.111 raeburn 781: }
782: }
1.111.2.3 raeburn 783: my $pagebuttonshide;
784: if (keys(%buttonshide)) {
785: my %uniquebuttonhide;
786: foreach my $item (values(%buttonshide)) {
787: if (exists($uniquebuttonhide{$item})) {
788: $uniquebuttonhide{$item} ++;
789: } else {
790: $uniquebuttonhide{$item} = 1;
791: }
792: }
793: if (keys(%uniquebuttonhide) == 1) {
794: if (lc((keys(%uniquebuttonhide))[0]) eq 'yes') {
795: $pagebuttonshide = 'yes';
796: }
797: }
798: }
1.111.2.10.2. (raeburn 799:): if (keys(%cssrefs)) {
800:): my $links;
801:): if (keys(%cssrefs)) {
802:): foreach my $css_href (keys(%cssrefs)) {
803:): next unless ($css_href =~ m{^(/res/|/uploaded/|https?://)});
804:): $links .= '<link rel="stylesheet" type="text/css" href="'.$css_href.'" />'."\n";
805:): }
806:): }
807:): if ($links) {
808:): if (keys(%httpref)) {
809:): &Apache::lonnet::appenv(\%httpref);
810:): }
811:): $allscript .= "\n$links";
812:): }
813:): }
1.7 www 814: # ------------------------------------------------------------------ Start body
1.85 albertel 815: $r->print(&Apache::loncommon::start_page(undef,$allscript,
1.74 albertel 816: {'force_register' => 1,
1.111.2.3 raeburn 817: 'bgcolor' => '#ffffff',
818: 'hide_buttons' => $pagebuttonshide}));
1.7 www 819: # ------------------------------------------------------------------ Start form
1.37 sakharuk 820: if ($nforms) {
1.96 raeburn 821: my $fmtag = '<form name="lonhomework" method="post" enctype="multipart/form-data"';
822: if ($nuploads) {
823: my $multi;
824: if ($nuploads > 1) {
825: $multi = 1;
826: }
827: $fmtag .= 'onsubmit="return file_submission_check(this,'."'$turninparent','$multi'".');"';
828: }
829: $fmtag .= ' action="'.
1.61 albertel 830: &Apache::lonenc::check_encrypt($requrl)
1.105 raeburn 831: .'" id="LC_page">';
1.96 raeburn 832: $r->print($fmtag);
1.40 sakharuk 833: }
1.94 raeburn 834: } elsif (($target eq 'tex') || ($target eq 'tex_answer')) {
1.92 foxr 835: # I think this is not needed as the header
836: # will be put in for each of the page parts
837: # by the londefdef.pm now that we are opening up
838: # the parts of a page.
839: #$r->print('\documentclass{article}
840: # \newcommand{\keephidden}[1]{}
841: # \usepackage[dvips]{graphicx}
842: # \usepackage{epsfig}
843: # \usepackage{calc}
844: # \usepackage{longtable}
845: # \begin{document}');
1.40 sakharuk 846: }
1.7 www 847: # ----------------------------------------------------------------- Start table
1.94 raeburn 848: if (($target eq 'tex') || ($target eq 'tex_answer')) {
1.92 foxr 849: # # $r->print('\begin{longtable}INSERTTHEHEADOFLONGTABLE\endfirsthead\endhead ');
1.43 sakharuk 850: if ($number_of_columns le $lcm) {$number_of_columns=$lcm;};
1.40 sakharuk 851: } else {
1.63 albertel 852: $r->print('<table width="100%" cols="'.$lcm.'" border="0">');
1.37 sakharuk 853: }
1.78 www 854: # generate rows
1.5 www 855: for ($i=0;$i<=$#rows;$i++) {
856: if ($rows[$i]) {
1.94 raeburn 857: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 858: $r->print("\n<tr>");
859: }
1.4 www 860: my @colcont=split(/\&/,$rows[$i]);
1.6 www 861: my $avespan=$lcm/($#colcont+1);
862: for ($j=0;$j<=$#colcont;$j++) {
863: my $rid=$colcont[$j];
1.111.2.7 raeburn 864: my $metainfo =&get_buttons(\%hash,$rid,\%buttonshide,$hostname).'<br />';
1.94 raeburn 865: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 866: $r->print('<td colspan="'.$avespan.'"');
867: }
1.99 raeburn 868: if (($cellemb{$rid} eq 'ssi') || ($cellexternal{$rid})) {
1.94 raeburn 869: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 870: if ($ssibgcolor{$rid}) {
871: $r->print(' bgcolor="'.
872: $ssibgcolor{$rid}.'"');
873: }
874: $r->print('>'.$metainfo.'<font');
875:
876: if ($ssitext{$rid}) {
877: $r->print(' text="'.$ssitext{$rid}.'"');
878: }
879: if ($ssilink{$rid}) {
880: $r->print(' link="'.$ssilink{$rid}.'"');
881: }
882: if ($ssitext{$rid}) {
883: $r->print(' vlink="'.$ssivlink{$rid}.'"');
884: }
885: if ($ssialink{$rid}) {
886: $r->print(' alink="'.$ssialink{$rid}.'"');
887: }
888: $r->print('>');
889: }
1.111.2.10.2. (raeburn 890:): $r->print($ssibody{$rid});
1.94 raeburn 891: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 892: $r->print('</font>');
1.41 www 893: }
1.70 albertel 894: if ($env{'course.'.
895: $env{'request.course.id'}.
1.41 www 896: '.pageseparators'} eq 'yes') {
1.94 raeburn 897: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.41 www 898: $r->print('<hr />');
1.77 albertel 899: }
1.37 sakharuk 900: }
901: } elsif ($cellemb{$rid} eq 'img') {
1.14 www 902: $r->print('>'.$metainfo.'<img src="'.
1.77 albertel 903: $hash{'src_'.$rid}.'" />');
1.13 www 904: } elsif ($cellemb{$rid} eq 'emb') {
1.14 www 905: $r->print('>'.$metainfo.'<embed src="'.
1.13 www 906: $hash{'src_'.$rid}.'"></embed>');
1.60 raeburn 907: } elsif (&Apache::lonnet::declutter($hash{'src_'.$rid}) !~/\.(sequence|page)$/) {
1.104 raeburn 908: $r->print($metainfo.'<b>'.$hash{'title_'.$rid}.'</b><br />');
909: unless ($cellemb{$rid} eq 'wrp') {
910: $r->print(&mt('It is recommended that you use an up-to-date virus scanner before handling this file.'));
911: }
912: $r->print('</p><p><table>'.
913: &Apache::londocs::entryline(0,
914: &mt("Click to download or use your browser's Save Link function"),
915: '/'.&Apache::lonnet::declutter($hash{'src_'.$rid})).
916: '</table></p><br />');
1.13 www 917: }
1.94 raeburn 918: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 919: $r->print('</td>');
1.40 sakharuk 920: } else {
1.92 foxr 921: # for (my $incol=1;$incol<=$avespan;$incol++) {
922: # $r->print(' & ');
923: # }
1.37 sakharuk 924: }
1.4 www 925: }
1.94 raeburn 926: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 927: $r->print('</tr>');
1.40 sakharuk 928: } else {
1.92 foxr 929: # $r->print('REMOVETHEHEADOFLONGTABLE\\\\');
1.37 sakharuk 930: }
1.5 www 931: }
1.4 www 932: }
1.94 raeburn 933: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 934: $r->print("\n</table>");
1.40 sakharuk 935: } else {
1.92 foxr 936: # $r->print('\end{longtable}\strut');
1.37 sakharuk 937: }
1.7 www 938: # ---------------------------------------------------------------- Submit, etc.
939: if ($nforms) {
1.106 raeburn 940: my $class;
941: if ($nforms > 1) {
942: $class = ' class="LC_hwk_submit"';
1.110 raeburn 943: if ($ntimers) {
944: $nforms = 1;
945: $class = '';
946: }
1.106 raeburn 947: }
1.7 www 948: $r->print(
1.103 bisitz 949: '<input name="all_submit" value="'.&mt('Submit All').'" type="'.
1.106 raeburn 950: (($nforms>1)?'submit':'hidden').'"'.$class.' id="all_submit" />'.
1.111.2.8 raeburn 951: '<input type="hidden" name="all_submit_pressed" '.
952: 'id="all_submit_pressed" value="" />'.
1.106 raeburn 953: '<div id="msg_all_submit" style="display:none">'.
954: &mt('Processing your submission ...').'</div></form>');
1.7 www 955: }
1.94 raeburn 956: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.76 albertel 957: $r->print(&Apache::loncommon::end_page({'discussion'
958: => 1,}));
1.40 sakharuk 959: } else {
960: $r->print('\end{document}'.$number_of_columns);
961: }
1.66 albertel 962: &Apache::lonnet::symblist($requrl,%symbhash);
1.69 albertel 963: my ($map,$id,$url)=&Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
964: &Apache::lonnet::symblist($map,'last_known'=>[$url,$id]);
1.3 www 965: # -------------------------------------------------------------------- End page
966: }
1.1 www 967: # ------------------------------------------------------------- End render page
968: } else {
1.67 albertel 969: &Apache::loncommon::content_type($r,'text/html');
1.3 www 970: $r->send_http_header;
1.39 www 971: &Apache::lonsequence::viewmap($r,$requrl);
1.1 www 972: }
973: # ------------------------------------------------------------------ Untie hash
974: unless (untie(%hash)) {
975: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
976: "Could not untie coursemap $fn (browse).</font>");
977: }
978: # -------------------------------------------------------------------- All done
979: return OK;
980: # ----------------------------------------------- Errors, hash could no be tied
981: }
982: }
983: }
1.67 albertel 984: &Apache::loncommon::content_type($r,'text/html');
1.39 www 985: $r->send_http_header;
986: &Apache::lonsequence::viewmap($r,$requrl);
987: return OK;
1.1 www 988: }
989:
1.83 albertel 990: sub get_buttons {
1.111.2.7 raeburn 991: my ($hash,$rid,$buttonshide,$hostname) = @_;
1.83 albertel 992:
993: my ($mapid,$resid)=split(/\./,$rid);
994: my $symb=&Apache::lonnet::encode_symb($hash->{'map_id_'.$mapid},
995: $resid,
996: $hash->{'src_'.$rid});
1.111.2.10.2. (raeburn 997:): my $aname;
998:): if (($hash->{'encrypted_'.$rid}) && (!$env{'request.role.adv'})) {
999:): $aname = 'LC_'.$rid;
1000:): } else {
1001:): my $shownsymb = $symb;
1002:): if ($symb =~ /\#([^\#]+)$/) {
1003:): my $escan = &escape('#');
1004:): $shownsymb =~ s/#([^\#]+)$/$escan$1/;
1005:): }
1006:): $aname = &escape($shownsymb);
1007:): }
1008:): my $metainfo = '<a name="'.$aname.'"></a>';
1.109 raeburn 1009: unless ($env{'request.role.adv'}) {
1.111.2.3 raeburn 1010: if ($buttonshide->{$symb} eq 'yes') {
1.111.2.10.2. (raeburn 1011:): return $metainfo;
1.109 raeburn 1012: }
1013: }
1.111.2.10.2. (raeburn 1014:): my $crs_sec = $env{'request.course.id'} . (($env{'request.course.sec'} ne '')
1015:): ? "/$env{'request.course.sec'}"
1016:): : '');
1017:): my $esrc=&Apache::lonnet::declutter($hash->{'src_'.$rid});
1.83 albertel 1018: if ($hash->{'encrypted_'.$rid}) {
1019: $esrc=&Apache::lonenc::encrypted($esrc);
1020: }
1021: if ($hash->{'src_'.$rid} !~ m-^/uploaded/-
1.111.2.10.2. (raeburn 1022:): && $hash->{'src_'.$rid} !~ m{^/ext/}
1.83 albertel 1023: && !$env{'request.enc'}
1024: && ($env{'request.role.adv'}
1025: || !$hash->{'encrypted_'.$rid})) {
1.111.2.10.2. (raeburn 1026:): $metainfo .= '<a href="'.$hash->{'src_'.$rid}.'.meta'.'" '.
1027:): 'target="LONcatInfo">'.
1.100 bisitz 1028: '<img src="/res/adm/pages/catalog.png" class="LC_icon"'.
1029: ' alt="'.&mt('Show Metadata').'"'.
1030: ' title="'.&mt('Show Metadata').'" />'.
1.83 albertel 1031: '</a>';
1032: }
1.99 raeburn 1033: if (($hash->{'src_'.$rid} !~ m{^/uploaded/}) &&
1.111.2.10.2. (raeburn 1034:): ($hash->{'src_'.$rid} !~ m{^/ext/})) {
1.98 raeburn 1035: $metainfo .= '<a href="/adm/evaluate?postdata='.
1036: &escape($esrc).
1037: '" target="LONcatInfo">'.
1.100 bisitz 1038: '<img src="/res/adm/pages/eval.png" class="LC_icon"'.
1039: ' alt="'.&mt('Provide my evaluation of this resource').'"'.
1040: ' title="'.&mt('Provide my evaluation of this resource').'" />'.
1.98 raeburn 1041: '</a>';
1042: }
1.97 www 1043: if (($hash->{'src_'.$rid}=~/$LONCAPA::assess_re/) &&
1.83 albertel 1044: ($hash->{'src_'.$rid} !~ m-^/uploaded/-)) {
1045:
1.111.2.10.2. (raeburn 1046:): if ((&Apache::lonnet::allowed('mgr',$crs_sec)) ||
1047:): (&Apache::lonnet::allowed('vgr',$crs_sec))) {
1.83 albertel 1048: $metainfo.=
1049: '<a href="/adm/grades?symb='.&escape($symb).
1050: # '&command=submission" target="LONcatInfo">'.
1051: '&command=submission">'.
1.100 bisitz 1052: '<img src="/adm/lonMisc/subm_button.png" class="LC_icon"'.
1053: ' alt="'.&mt('View Submissions for a Student or a Group of Students').'"'.
1054: ' title="'.&mt('View Submissions for a Student or a Group of Students').'" />'.
1.111.2.10.2. (raeburn 1055:): '</a>';
1056:): }
1057:): if (&Apache::lonnet::allowed('mgr',$crs_sec)) {
1058:): $metainfo.=
1059:): '<a href="/adm/grades?symb='.&escape($symb).
1.83 albertel 1060: # '&command=gradingmenu" target="LONcatInfo">'.
1061: '&command=gradingmenu">'.
1.100 bisitz 1062: '<img src="/res/adm/pages/pgrd.png" class="LC_icon"'.
1063: ' alt="'.&mt('Content Grades').'"'.
1064: ' title="'.&mt('Content Grades').'" />'.
1.111.2.10.2. (raeburn 1065:): '</a>';
1066:): }
1067:): if ((&Apache::lonnet::allowed('opa',$crs_sec)) ||
1068:): (&Apache::lonnet::allowed('vpa',$crs_sec))) {
1.83 albertel 1069: $metainfo.=
1070: '<a href="/adm/parmset?symb='.&escape($symb).
1071: # '" target="LONcatInfo">'.
1072: '" >'.
1.100 bisitz 1073: '<img src="/adm/lonMisc/pprm_button.png" class="LC_icon"'.
1074: ' alt="'.&mt('Content Settings').'"'.
1075: ' title="'.&mt('Content Settings').'" />'.
1.83 albertel 1076: '</a>';
1077: }
1078: }
1.111.2.6 raeburn 1079: if ($env{'request.course.id'}) {
1.102 raeburn 1080: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1081: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1082: my $file=&Apache::lonnet::declutter($hash->{'src_'.$rid});
1.111.2.6 raeburn 1083: my $editbutton = '';
1084: if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
1085: my ($cfile,$home,$switchserver,$forceedit,$forceview) =
1086: &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,$hash->{'src_'.$rid},$symb);
1087: if ($cfile ne '') {
1088: my $jscall = &Apache::lonhtmlcommon::jump_to_editres($cfile,$home,$switchserver,
1089: $forceedit,1,$symb,undef,
1.111.2.10 raeburn 1090: &escape($env{'form.title'}),
1091: $hostname);
1.111.2.6 raeburn 1092: if ($jscall) {
1093: $editbutton = 1;
1094: my $icon = 'pcstr.png';
1095: my $label = &mt('Edit');
1096: my $title = &mt('Edit this resource');
1097: my $pic = '<img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$icon).'"'.
1098: ' class="LC_icon" alt="'.$label.'" title="'.$title.'" />';
1099: $metainfo .= ' <a href="javascript:'.$jscall.';">'.$pic.'</a>';
1100: }
1101: }
1102: }
1103: if ((!$editbutton) && ($file=~/$LONCAPA::assess_re/)) {
1104: my $url = &Apache::lonnet::clutter($file);
1105: my $viewsrcbutton;
1106: if ((&Apache::lonnet::allowed('cre','/')) &&
1107: (&Apache::lonnet::metadata($url,'sourceavail') eq 'open')) {
1108: $viewsrcbutton = 1;
1.111.2.10.2. (raeburn 1109:): } elsif (&Apache::lonnet::allowed('vxc',$crs_sec)) {
1.111.2.6 raeburn 1110: if ($url =~ m{^\Q/res/$cdom/\E($LONCAPA::match_username)/}) {
1111: my $auname = $1;
1112: if (($env{'request.course.adhocsrcaccess'} ne '') &&
1113: (grep(/^\Q$auname\E$/,split(/,/,$env{'request.course.adhocsrcaccess'})))) {
1114: $viewsrcbutton = 1;
1.111.2.10.2. (raeburn 1115:): } elsif ((&Apache::lonnet::metadata($url,'sourceavail') eq 'open') &&
1116:): (&Apache::lonnet::allowed('bre',$crs_sec))) {
1117:): $viewsrcbutton = 1;
1.111.2.6 raeburn 1118: }
1119: }
1120: }
1121: if ($viewsrcbutton) {
1.102 raeburn 1122: my $icon = 'pcstr.png';
1.111.2.6 raeburn 1123: my $label = &mt('View Source');
1124: my $title = &mt('View source code');
1125: my $jsrid = $rid;
1126: $jsrid =~ s/\./_/g;
1127: my $showurl = &escape(&Apache::lonenc::check_encrypt($url));
1.102 raeburn 1128: my $pic = '<img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$icon).'"'.
1129: ' class="LC_icon" alt="'.$label.'" title="'.$title.'" />';
1.111.2.6 raeburn 1130: $metainfo .= ' <a href="javascript:open_source_'.$jsrid.'();">'.$pic.'</a>'."\n".
1131: '<script type="text/javascript">'."\n".
1132: "function open_source_$jsrid() {\n".
1133: " sourcewin=window.open('/adm/source?inhibitmenu=yes&viewonly=1&filename=$showurl','LONsource',".
1134: "'height=500,width=600,resizable=yes,location=no,menubar=no,toolbar=no,scrollbars=yes');\n".
1135: "}\n".
1136: "</script>\n";
1.102 raeburn 1137: }
1138: }
1139: }
1.83 albertel 1140: return $metainfo;
1141: }
1142:
1.111 raeburn 1143: sub add_countdown_timer {
1.111.2.10.2. (raeburn 1144:): my ($currdisp,$donebuttontime,$donebuttonextras) = @_;
1145:): my ($collapse,$expand,$alttxt,$title,$donebutton);
1.111 raeburn 1146: if ($currdisp eq 'inline') {
1147: $collapse = '► ';
1148: } else {
1149: $expand = '◄ ';
1150: }
1.111.2.10.2. (raeburn 1151:): if ($donebuttontime) {
1152:): my ($type,$proctor,$donebuttontext);
1153:): if (ref($donebuttonextras) eq 'HASH') {
1154:): $proctor = $donebuttonextras->{'proctor'};
1155:): $donebuttontext = $donebuttonextras->{'text'};
1156:): $type = $donebuttonextras->{'type'};
1157:): } else {
1158:): $donebuttontext = &mt('Done');
1159:): $type = 'map';
1160:): }
1161:): $donebutton =
1162:): &Apache::lonmenu::done_button_js($type,'','',$proctor,$donebuttontext);
1163:): }
1.111 raeburn 1164: unless ($env{'environment.icons'} eq 'iconsonly') {
1165: $alttxt = &mt('Timer');
1166: $title = $alttxt.' ';
1167: }
1168: my $desc = &mt('Countdown to due date/time');
1169: my $output = <<END;
1.111.2.10.2. (raeburn 1170:): $donebutton
1.111 raeburn 1171: <a href="javascript:toggleCountdown();" class="LC_menubuttons_link">
1172: <span id="ddcountcollapse" class="LC_menubuttons_inline_text">
1173: $collapse
1174: </span></a>
1175: <span id="duedatecountdown" class="LC_menubuttons_inline_text" style="display: $currdisp;"></span>
1176: <a href="javascript:toggleCountdown();" class="LC_menubuttons_link">
1177: <span id="ddcountexpand" class="LC_menubuttons_inline_text" >$expand</span>
1178: <img src="/res/adm/pages/timer.png" title="$desc" class="LC_icon" alt="$alttxt" /><span class="LC_menubuttons_inline_text">$title</span></a>
1179: END
1180: &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$output);
1181: return;
1182: }
1183:
1.111.2.10.2. (raeburn 1184:): sub create_extlink {
1185:): my ($url,$anchor,$title,$linktext) = @_;
1186:): my $shownlink;
1187:): unless ($title eq '') {
1188:): $shownlink = '<span style="font-weight:bold;">'.$title.'</span><br />';
1189:): }
1190:): my $dest = &HTML::Entities::encode($url.$anchor,'&<>"');
1191:): $shownlink .= '<a href="'.$dest.'">'.$linktext.'</a>';
1192:): return $shownlink;
1193:): }
1.111 raeburn 1194:
1.1 www 1195: 1;
1196: __END__
1197:
1198:
1.89 jms 1199: =head1 NAME
1200:
1201: Apache::lonpage - Page Handler
1202:
1203: =head1 SYNOPSIS
1204:
1205: Invoked by /etc/httpd/conf/srm.conf:
1206:
1207: <LocationMatch "^/res/.*\.page$>
1208: SetHandler perl-script
1209: PerlHandler Apache::lonpage
1210: </LocationMatch>
1211:
1212: =head1 INTRODUCTION
1213:
1214: This module renders a .page resource.
1215:
1216: This is part of the LearningOnline Network with CAPA project
1217: described at http://www.lon-capa.org.
1218:
1219: =head1 HANDLER SUBROUTINE
1220:
1221: This routine is called by Apache and mod_perl.
1222:
1223: =over 4
1224:
1225: =item *
1226:
1227: set document type for header only
1228:
1229: =item *
1230:
1231: tie db file
1232:
1233: =item *
1234:
1235: render page
1236:
1237: =item *
1238:
1239: add to symb list
1240:
1241: =item *
1242:
1243: page parms
1244:
1245: =item *
1246:
1247: Get SSI output, post parameters
1.1 www 1248:
1.89 jms 1249: =item *
1250:
1251: SSI cell rendering
1252:
1253: =item *
1254:
1255: Deal with Applet codebases
1256:
1257: =item *
1258:
1259: Build page
1260:
1261: =item *
1262:
1263: send headers
1264:
1265: =item *
1266:
1267: start body
1268:
1269: =item *
1270:
1271: start form
1272:
1273: =item *
1274:
1275: start table
1276:
1277: =item *
1278:
1279: submit element, etc, render page, untie hash
1280:
1281: =back
1282:
1283: =head1 OTHER SUBROUTINES
1284:
1285: =over 4
1286:
1287: =item *
1288:
1289: euclid() : Euclid's method for determining the greatest common denominator.
1290:
1291: =item *
1292:
1293: tracetable() : Build page table.
1294:
1295: =back
1296:
1297: =cut
1.1 www 1298:
1299:
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