Annotation of rat/lonpage.pm, revision 1.111.2.10.2.1
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 2020/01/22 14:55:13 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;
1.1 www 47: use GDBM_File;
1.39 www 48: use Apache::lonsequence;
1.75 www 49: use lib '/home/httpd/lib/perl/';
50: use LONCAPA;
51:
1.1 www 52:
1.2 www 53: # -------------------------------------------------------------- Module Globals
54: my %hash;
55: my @rows;
1.6 www 56:
57: # ------------------------------------------------------------------ Euclid gcd
58:
59: sub euclid {
60: my ($e,$f)=@_;
61: my $a; my $b; my $r;
62: if ($e>$f) { $b=$e; $r=$f; } else { $r=$e; $b=$f; }
63: while ($r!=0) {
64: $a=$b; $b=$r;
65: $r=$a%$b;
66: }
67: return $b;
68: }
1.2 www 69:
70: # ------------------------------------------------------------ Build page table
71:
72: sub tracetable {
73: my ($sofar,$rid,$beenhere)=@_;
74: my $further=$sofar;
1.57 raeburn 75: my $randomout=0;
1.70 albertel 76: unless ($env{'request.role.adv'}) {
1.57 raeburn 77: $randomout = $hash{'randomout_'.$rid};
78: }
1.2 www 79: unless ($beenhere=~/\&$rid\&/) {
1.57 raeburn 80: $beenhere.=$rid.'&';
81: unless ($randomout) {
82: if (defined($hash{'is_map_'.$rid})) {
83: if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) &&
84: (defined($hash{'map_finish_'.$hash{'src_'.$rid}}))) {
85: my $frid=$hash{'map_finish_'.$hash{'src_'.$rid}};
86: $sofar=
87: &tracetable($sofar,$hash{'map_start_'.$hash{'src_'.$rid}},
1.87 albertel 88: '&'.$frid.$beenhere);
1.57 raeburn 89: $sofar++;
90: if ($hash{'src_'.$frid}) {
91: my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$frid});
92: if (($brepriv eq '2') || ($brepriv eq 'F')) {
93: if (defined($rows[$sofar])) {
94: $rows[$sofar].='&'.$frid;
95: } else {
96: $rows[$sofar]=$frid;
97: }
98: }
99: }
100: }
101: } else {
102: $sofar++;
103: if ($hash{'src_'.$rid}) {
104: my $brepriv=&Apache::lonnet::allowed('bre',$hash{'src_'.$rid});
105: if (($brepriv eq '2') || ($brepriv eq 'F')) {
106: if (defined($rows[$sofar])) {
107: $rows[$sofar].='&'.$rid;
108: } else {
109: $rows[$sofar]=$rid;
110: }
111: }
112: }
113: }
114: }
115:
116: if (defined($hash{'to_'.$rid})) {
117: my $mincond=1;
118: my $next='';
119: foreach (split(/\,/,$hash{'to_'.$rid})) {
120: my $thiscond=
1.11 www 121: &Apache::lonnet::directcondval($hash{'condid_'.$hash{'undercond_'.$_}});
1.57 raeburn 122: if ($thiscond>=$mincond) {
123: if ($next) {
124: $next.=','.$_.':'.$thiscond;
125: } else {
126: $next=$_.':'.$thiscond;
127: }
128: if ($thiscond>$mincond) { $mincond=$thiscond; }
129: }
130: }
131: foreach (split(/\,/,$next)) {
132: my ($linkid,$condval)=split(/\:/,$_);
133: if ($condval>=$mincond) {
134: my $now=&tracetable($sofar,$hash{'goesto_'.$linkid},$beenhere);
135: if ($now>$further) { $further=$now; }
136: }
137: }
138: }
1.2 www 139: }
140: return $further;
141: }
142:
1.1 www 143: # ================================================================ Main Handler
144:
145: sub handler {
146: my $r=shift;
147:
1.3 www 148: # ------------------------------------------- Set document type for header only
1.1 www 149:
1.3 www 150: if ($r->header_only) {
1.70 albertel 151: if ($env{'browser.mathml'}) {
1.53 www 152: &Apache::loncommon::content_type($r,'text/xml');
1.3 www 153: } else {
1.53 www 154: &Apache::loncommon::content_type($r,'text/html');
1.3 www 155: }
156: $r->send_http_header;
157: return OK;
158: }
1.43 sakharuk 159:
1.39 www 160: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
161: ['forceselect','launch']);
1.43 sakharuk 162: my $number_of_columns = 1;
1.37 sakharuk 163: my $requrl=$r->uri;
1.70 albertel 164: my $target = $env{'form.grade_target'};
1.94 raeburn 165:
166: # Short term solution: define target as 'tex_answer' when retrieving answers
167: # for resources in a .page when generating printouts.
168: # A better long-term fix would be to modify the way problem rendering, and
169: # answer rendering are retrieved for individual resources when printing a .page,
170: # so rendered problem and answer are sequential for individual resources in
171: # the .page
172: #
173: if ($target eq 'answer') {
174: if ($env{'form.answer_output_mode'} eq 'tex') {
175: $target = 'tex_answer';
176: }
177: }
1.55 www 178: # &Apache::lonnet::logthis("Got a target of $target");
1.54 albertel 179: if ($target eq 'meta') {
180: &Apache::loncommon::content_type($r,'text/html');
181: $r->send_http_header;
182: return OK;
183: }
1.1 www 184: # ----------------------------------------------------------------- Tie db file
1.70 albertel 185: if (($env{'request.course.fn'}) && (!$env{'form.forceselect'})) {
186: my $fn=$env{'request.course.fn'};
1.1 www 187: if (-e "$fn.db") {
1.111.2.3 raeburn 188: my %buttonshide;
1.111.2.7 raeburn 189: my $hostname = $r->hostname();
1.44 albertel 190: if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER(),0640)) {
1.1 www 191: # ------------------------------------------------------------------- Hash tied
192: my $firstres=$hash{'map_start_'.$requrl};
193: my $lastres=$hash{'map_finish_'.$requrl};
194: if (($firstres) && ($lastres)) {
1.111 raeburn 195: # ------------------------------------------------------------- Countdown Timer
196: my $now = time;
1.111.2.10.2. (raeburn 197:): my ($pagefirstaccess,%hastimeleft,%countdowndisp,%donebutton,
198:): %donebtnextra,%buttonbytime,$donetime,$symbtosetdone);
1.111 raeburn 199: my ($pagesymb,$courseid,$domain,$name)=&Apache::lonnet::whichuser();
1.111.2.10.2. (raeburn 200:): unless ($pagesymb) {
201:): $pagesymb=&Apache::lonnet::symbread($requrl);
202:): }
1.111.2.2 raeburn 203: if ($pagesymb && ($courseid ne '') && ($domain ne '') && ($name ne '')) {
1.111 raeburn 204: my %times=&Apache::lonnet::get('firstaccesstimes',
205: [$courseid."\0".$pagesymb],
206: $domain,$name);
207: if ($times{$courseid."\0".$pagesymb} =~ /^\d+$/) {
208: $pagefirstaccess = $times{$courseid."\0".$pagesymb};
1.111.2.10.2. (raeburn 209:): if ($pagefirstaccess && $env{'form.LC_interval_done'} eq 'true') {
210:): $donetime = $now - $pagefirstaccess;
211:): }
1.111 raeburn 212: }
213: }
1.111.2.10.2. (raeburn 214:):
1.1 www 215: # ----------------------------------------------------------------- Render page
216:
1.3 www 217: @rows=();
1.2 www 218:
1.45 www 219: &tracetable(0,$firstres,'&');
1.2 www 220:
1.9 www 221: # ------------------------------------------------------------ Add to symb list
222:
1.2 www 223: my $i;
1.9 www 224: my %symbhash=();
225: for ($i=0;$i<=$#rows;$i++) {
226: if ($rows[$i]) {
227: my @colcont=split(/\&/,$rows[$i]);
1.73 albertel 228: foreach my $rid (@colcont) {
229: my ($mapid,$resid)=split(/\./,$rid);
230: $symbhash{$hash{'src_'.$rid}}=
231: [$hash{'src_'.$rid},$resid];
1.111.2.10.2. (raeburn 232:): if (($donetime) && ($symbtosetdone eq '')) {
233:): my $src = $hash{'src_'.$rid};
234:): if ($hash{'encrypted_'.$rid}) {
235:): $src=&Apache::lonenc::encrypted($src);
236:): }
237:): my ($mapid,$resid)=split(/\./,$rid);
238:): my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$src);
239:): if ($src =~ /$LONCAPA::assess_re/) {
240:): my @interval=&Apache::lonnet::EXT("resource.0.interval",$symb);
241:): if (@interval > 1) {
242:): if (($interval[1] eq 'map') && ($pagefirstaccess)) {
243:): my ($timelimit) = ($interval[0] =~ /^(\d+)/);
244:): if ($timelimit) {
245:): if ($pagefirstaccess + $timelimit > $now) {
246:): $symbtosetdone = $symb;
247:): }
248:): }
249:): }
250:): }
251:): }
252:): }
1.30 harris41 253: }
1.9 www 254: }
255: }
256: &Apache::lonnet::symblist($requrl,%symbhash);
257:
258: # ------------------------------------------------------------------ Page parms
259:
1.4 www 260: my $j;
1.6 www 261: my $lcm=1;
262: my $contents=0;
1.7 www 263: my $nforms=0;
1.96 raeburn 264: my $nuploads=0;
1.110 raeburn 265: my $ntimers=0;
1.96 raeburn 266: my %turninpaths;
267: my %multiresps;
268: my $turninparent;
1.6 www 269:
270: my %ssibody=();
271: my %ssibgcolor=();
272: my %ssitext=();
273: my %ssilink=();
274: my %ssivlink=();
275: my %ssialink=();
1.14 www 276:
1.6 www 277: my %cellemb=();
1.99 raeburn 278: my %cellexternal=();
1.3 www 279:
1.7 www 280: my $allscript='';
281: my $allmeta='';
282:
283: my $isxml=0;
284: my $xmlheader='';
285: my $xmlbody='';
286:
1.111.2.10.2. (raeburn 287:): # ---------------------------------------------------------- Handle Done button
288:):
289:): # Set the event timer to zero if the "done button" was clicked.
290:): if ($donetime && $symbtosetdone) {
291:): &Apache::lonparmset::storeparm_by_symb_inner($symbtosetdone,'0_interval',
292:): 2,$donetime,'date_interval',
293:): $name,$domain);
294:): undef($env{'form.LC_interval_done'});
295:): }
296:):
1.3 www 297: # --------------------------------------------- Get SSI output, post parameters
298:
1.2 www 299: for ($i=0;$i<=$#rows;$i++) {
1.4 www 300: if ($rows[$i]) {
1.6 www 301: $contents++;
1.3 www 302: my @colcont=split(/\&/,$rows[$i]);
1.6 www 303: $lcm*=($#colcont+1)/euclid($lcm,($#colcont+1));
1.30 harris41 304: foreach (@colcont) {
1.3 www 305: my $src=$hash{'src_'.$_};
1.111.2.3 raeburn 306: my $plainsrc = $src;
1.99 raeburn 307: my ($extension)=($src=~/\.(\w+)$/);
308: $cellexternal{$_}=($hash{'ext_'.$_} eq 'true:');
1.61 albertel 309: if ($hash{'encrypted_'.$_}) {
310: $src=&Apache::lonenc::encrypted($src);
311: }
1.111.2.3 raeburn 312: my ($mapid,$resid)=split(/\./,$_);
313: my $symb=&Apache::lonnet::encode_symb($hash{'map_id_'.$mapid},$resid,$src);
314: unless ($env{'request.role.adv'}) {
315: $buttonshide{$symb} = &Apache::lonnet::EXT("resource.0.buttonshide",$symb);
316: }
1.61 albertel 317: $cellemb{$_}=
318: &Apache::loncommon::fileembstyle($extension);
1.99 raeburn 319: if ($cellexternal{$_}) {
320: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
321: $ssibody{$_} = <<ENDEXT;
322: <iframe src="$src" width="100%">No iframe support!</iframe>
323: ENDEXT
324: }
325: } elsif ($cellemb{$_} eq 'ssi') {
1.3 www 326: # --------------------------------------------------------- This is an SSI cell
1.111.2.5 raeburn 327: my $prefix='p_'.$_.'_';
328: my $idprefix='p_'.join('_',($mapid,$resid,''));
1.64 albertel 329: my %posthash=('request.prefix' => $prefix,
1.71 albertel 330: 'LONCAPA_INTERNAL_no_discussion' => 'true',
1.64 albertel 331: 'symb' => $symb);
1.94 raeburn 332: if (($env{'form.grade_target'} eq 'tex') ||
333: ($env{'form.answer_output_mode'} eq 'tex')) {
1.70 albertel 334: $posthash{'grade_target'}=$env{'form.grade_target'};
335: $posthash{'textwidth'}=$env{'form.textwidth'};
336: $posthash{'problem_split'}=$env{'form.problem_split'};
337: $posthash{'latex_type'}=$env{'form.latex_type'};
338: $posthash{'rndseed'}=$env{'form.rndseed'};
1.94 raeburn 339: $posthash{'answer_output_mode'} = $env{'form.answer_output_mode'};
1.56 sakharuk 340: }
1.111.2.8 raeburn 341: my $submitted=$env{'form.all_submit_pressed'};
1.72 albertel 342: if (!$submitted) {
343: foreach my $key (keys(%env)) {
1.111.2.8 raeburn 344: if ($key=~/^\Qform.$prefix\Esubmit_(.+)_pressed$/) {
345: if ($env{$key}) {
346: $submitted=1;
347: last;
348: }
1.72 albertel 349: }
1.111.2.8 raeburn 350: }
1.72 albertel 351: }
352: if ($submitted) {
353: foreach my $key (keys(%env)) {
1.111.2.8 raeburn 354: if ($key=~/^\Qform.$prefix\E/) {
1.72 albertel 355: my $name=$key;
1.111.2.8 raeburn 356: $name=~s/^\Qform.$prefix\E//;
1.72 albertel 357: $posthash{$name}=$env{$key};
1.111.2.8 raeburn 358: }
1.72 albertel 359: }
1.111.2.8 raeburn 360: if ($env{'form.all_submit_pressed'}) {
1.72 albertel 361: $posthash{'all_submit'}='yes';
362: }
1.111.2.9 raeburn 363: } elsif ($env{'form.'.$prefix.'markaccess'} eq 'yes') {
364: $posthash{'markaccess'} = $env{'form.'.$prefix.'markaccess'};
365: }
1.111.2.4 raeburn 366: if ($env{'environment.remote'} eq 'on') {
367: $posthash{'inhibitmenu'} = 'yes';
368: }
1.5 www 369: my $output=Apache::lonnet::ssi($src,%posthash);
1.77 albertel 370: $output=~s|//(\s*<!--)? BEGIN LON-CAPA Internal.+?// END LON-CAPA Internal\s*(-->)?\s||gs;
1.94 raeburn 371: if (($target eq 'tex') || ($target eq 'tex_answer')) {
1.111.2.1 raeburn 372: $output =~ s/^([^&]+)\\begin\{document}//;
373: $output =~ s/\\end\{document}//;
1.92 foxr 374: # $output = '\parbox{\minipagewidth}{ '.$output.' }';
1.46 sakharuk 375: #some additional cleanup necessary for LateX (due to limitations of table environment
376: $output =~ s/(\\vskip\s*\d+mm)\s*(\\\\)+/$1/g;
377: }
1.107 raeburn 378: my $matheditor;
379: if ($output =~ /\Qjavascript:LC_mathedit_HWVAL_\E/) {
380: $matheditor = 'dragmath';
381: } elsif ($output =~ /LCmathField/) {
382: $matheditor = 'lcmath';
383: }
1.6 www 384: my $parser=HTML::TokeParser->new(\$output);
385: my $token;
1.12 www 386: my $thisdir=$src;
1.6 www 387: my $bodydef=0;
1.7 www 388: my $thisxml=0;
1.12 www 389: my @rlinks=();
1.7 www 390: if ($output=~/\?xml/) {
391: $isxml=1;
392: $thisxml=1;
393: $output=~
394: /((?:\<(?:\?xml|\!DOC|html)[^\>]*(?:\>|\>\]\>)\s*)+)\<body[^\>]*\>/si;
395: $xmlheader=$1;
396: }
1.12 www 397: while ($token=$parser->get_token) {
398: if ($token->[0] eq 'S') {
399: if ($token->[1] eq 'a') {
400: if ($token->[2]->{'href'}) {
401: $rlinks[$#rlinks+1]=
402: $token->[2]->{'href'};
403: }
404: } elsif ($token->[1] eq 'img') {
405: $rlinks[$#rlinks+1]=
406: $token->[2]->{'src'};
407: } elsif ($token->[1] eq 'embed') {
408: $rlinks[$#rlinks+1]=
409: $token->[2]->{'src'};
410: } elsif ($token->[1] eq 'base') {
411: $thisdir=$token->[2]->{'href'};
412: } elsif ($token->[1] eq 'body') {
1.7 www 413: $bodydef=1;
414: $ssibgcolor{$_}=$token->[2]->{'bgcolor'};
415: $ssitext{$_}=$token->[2]->{'text'};
416: $ssilink{$_}=$token->[2]->{'link'};
417: $ssivlink{$_}=$token->[2]->{'vlink'};
418: $ssialink{$_}=$token->[2]->{'alink'};
419: if ($thisxml) {
420: $xmlbody=$token->[4];
421: }
1.12 www 422: } elsif ($token->[1] eq 'meta') {
1.28 albertel 423: if ($token->[4] !~ m:/>$:) {
1.7 www 424: $allmeta.="\n".$token->[4].'</meta>';
1.28 albertel 425: } else {
426: $allmeta.="\n".$token->[4];
427: }
1.12 www 428: } elsif (($token->[1] eq 'script') &&
429: ($bodydef==0)) {
1.7 www 430: $allscript.="\n\n"
431: .$parser->get_text('/script');
1.6 www 432: }
1.12 www 433: }
434: }
1.6 www 435: if ($output=~/\<body[^\>]*\>(.*)/si) {
436: $output=$1;
437: }
438: $output=~s/\<\/body\>.*//si;
1.7 www 439: if ($output=~/\<form/si) {
1.110 raeburn 440: my $hastimer;
1.7 www 441: $nforms++;
442: $output=~s/\<form[^\>]*\>//gsi;
443: $output=~s/\<\/form[^\>]*\>//gsi;
1.96 raeburn 444: if ($output=~/\<input[^\>]+name\s*=\s*[\'\"]*HWFILE/) {
445: $nuploads++;
446: }
1.110 raeburn 447: if ($output=~/\<input[^\>]+name\s*=\s*[\'\"]*accessbutton/) {
448: $ntimers++;
449: $hastimer = 1;
450: }
1.17 www 451: $output=~
1.80 albertel 452: s/\<((?:input|select|button|textarea)[^\>]+)name\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\>]*)\>/\<$1 name="$prefix$2" $3\>/gsi;
1.101 raeburn 453: $output=~
454: s/\<((?:input|select|button|textarea)[^\>]+)id\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\>]*)\>/\<$1 id="$idprefix$2" $3\>/gsi;
1.111.2.5 raeburn 455: $output=~
456: s/(\Qthis.form.elements['\E)(HW(?:VAL|CHK)_[^']+\'\]\.(?:value=\'|checked))/$1$prefix$2/gsi;
1.110 raeburn 457: if ($hastimer) {
458: $output=~
459: s/\<(input[^\>]+name=\Q"$prefix\Eaccessbutton"[^\>]+)(?:\Qdocument.markaccess.submit();\E)([^\>]*)\>/\<$1pageTimer(this.form,'$prefix')$2\>/gsi;
460: $output=~ s/\<(input[^\>]+name=\Q"$prefix\Emarkaccess"[^\>]+value=["'])(?:yes)(['"][^\>]*)\>/\<$1$2\>/gsi;
461: }
1.107 raeburn 462: if ($matheditor eq 'dragmath') {
463: $output=~
464: s/(\Qjavascript:LC_mathedit_\E)(HWVAL_)([^'"]+?)(\(['"]*)(\QHWVAL_\E\3['"]\)\;void\(0\)\;)/$1$idprefix$2$3$4$idprefix$5/g;
465: $output=~
466: s/(function\s+LC_mathedit_)(HWVAL_)([^'"]+?)(\s+\(LCtextline\))/$1$idprefix$2$3$4/g;
467: } elsif ($matheditor eq 'lcmath') {
468: $output=~
469: s/(var\s+LCmathField\s+=\s+document\.getElementById\(['"])([^'"]+?)(['"]\)\;)/$1$idprefix$2$3/g;
470: }
1.105 raeburn 471: $output=~
472: s/(\Q<div id="msg_\E)(\Qsubmit_\E)([^"]*)(\Q" style="display:none">\E)/<input type="hidden" name="$prefix$2$3_pressed" id="$idprefix$2$3_pressed" value="" \/>$1$idprefix$2$3$4/g;
473: $output=~
474: s/(\Q<td class="LC_status_\E)(\Qsubmit_\E)([^\"]*)(\s*[^\"]*"\>)/$1$idprefix$2$3$4/g;
1.96 raeburn 475: if ($nuploads) {
476: ($turninpaths{$prefix},$multiresps{$prefix}) =
477: &Apache::loncommon::get_turnedin_filepath($symb,$env{'user.name'},$env{'user.domain'});
478: if ($turninparent eq '') {
479: $turninparent = $turninpaths{$prefix};
480: $turninparent =~ s{(/[^/]+)$}{};
481: }
482: }
1.95 raeburn 483: $output=~
484: s/\<((?:input|select)[^\>]+\Qjavascript:setSubmittedPart\E)\(\s*[\'\"]([^\'\"]+)[\'\"]*\s*\)/\<$1('$2','$prefix')/gsi;
1.108 raeburn 485: $output=~
486: s/\<(input[^\>]+\Qonfocus=\"javascript:disableAutoComplete\E)\(\'([^\']+)\'\)(;\")/\<$1('$idprefix$2')$3/gsi;
1.111 raeburn 487: unless ($hastimer) {
1.111.2.3 raeburn 488: if ($plainsrc =~ /$LONCAPA::assess_re/) {
1.111 raeburn 489: %Apache::lonhomework::history =
490: &Apache::lonnet::restore($symb,$courseid,$domain,$name);
491: my $type = 'problem';
1.111.2.3 raeburn 492: if ($extension eq 'task') {
1.111 raeburn 493: $type = 'Task';
494: }
495: my ($status,$accessmsg,$slot_name,$slot) =
496: &Apache::lonhomework::check_slot_access('0',$type,$symb);
497: undef(%Apache::lonhomework::history);
498: my $probstatus = &Apache::lonnet::EXT("resource.0.problemstatus",$symb);
499: if (($status eq 'CAN_ANSWER') || (($status eq 'CANNOT_ANSWER') &&
1.111.2.10.2. (raeburn 500:): (($probstatus eq 'no') || ($probstatus eq 'no_feedback_ever'))) ||
501:): (($status eq 'NOT_YET_VIEWED') && ($posthash{'markaccess'} eq 'yes'))) {
1.111 raeburn 502: my ($slothastime,$timerhastime);
503: if ($slot_name ne '') {
504: if (ref($slot) eq 'HASH') {
505: if (($slot->{'starttime'} < $now) &&
506: ($slot->{'endtime'} > $now)) {
507: $slothastime = $now - $slot->{'endtime'};
508: }
509: }
510: }
511: my $duedate = &Apache::lonnet::EXT("resource.0.duedate",$symb);
512: my @interval=&Apache::lonnet::EXT("resource.0.interval",$symb);
513: if (@interval > 1) {
1.111.2.10.2. (raeburn 514:): my $first_access;
515:): if ($interval[1] eq 'map') {
516:): my $ignorecache;
517:): if ($env{'form.'.$prefix.'markaccess'} eq 'yes') {
518:): $ignorecache = 1;
519:): }
520:): $first_access=&Apache::lonnet::get_first_access($interval[1],undef,$pagesymb,$ignorecache);
521:): if (($first_access) && (!$pagefirstaccess)) {
522:): $pagefirstaccess = $first_access;
523:): }
524:): } else {
525:): $first_access=&Apache::lonnet::get_first_access($interval[1],$symb);
526:): }
1.111 raeburn 527: if ($first_access > 0) {
1.111.2.10.2. (raeburn 528:): my ($timelimit) = ($interval[0] =~ /^(\d+)/);
529:): if ($timelimit) {
530:): my $timeremains = $timelimit + $first_access - $now;
531:): if ($timeremains > 0) {
532:): $timerhastime = $timeremains;
533:): }
1.111 raeburn 534: }
535: }
536: }
537: if (($duedate && $duedate > $now) ||
538: (!$duedate && $timerhastime > 0) ||
539: ($slot_name ne '' && $slothastime)) {
540: if ((@interval > 1 && $timerhastime) ||
541: ($type eq 'Task' && $slothastime)) {
542: $countdowndisp{$symb} = 'inline';
543: if ((@interval > 1) && ($timerhastime)) {
544: $hastimeleft{$symb} = $timerhastime;
1.111.2.10.2. (raeburn 545:): if ($pagefirstaccess) {
546:): my ($timelimit,$usesdone,$donebuttontext,$proctor,$secret);
547:): ($timelimit,my $donesuffix) = split(/_/,$interval[0],2);
548:): if ($donesuffix =~ /^done\:([^\:]+)\:(.*)$/) {
549:): $usesdone = 'done';
550:): $donebuttontext = $1;
551:): (undef,$proctor,$secret) = split(/_/,$2);
552:): } elsif ($donesuffix =~ /^done(|_.+)$/) {
553:): $donebuttontext = &mt('Done');
554:): ($usesdone,$proctor,$secret) = split(/_/,$donesuffix);
555:): }
556:): if ($usesdone eq 'done') {
557:): $donebutton{$symb} = $timelimit;
558:): push(@{$buttonbytime{$timelimit}},$symb);
559:): $donebtnextra{$symb} = {
560:): text => $donebuttontext,
561:): proctor => $proctor,
562:): secret => $secret,
563:): type => $interval[1],
564:): };
565:): }
566:): }
1.111 raeburn 567: } else {
568: $hastimeleft{$symb} = $slothastime;
569: }
570: } else {
571: $hastimeleft{$symb} = $duedate - $now;
572: $countdowndisp{$symb} = 'none';
573: }
1.111.2.10.2. (raeburn 574:): unless ($donebutton{$symb}) {
575:): $donebutton{$symb} = 0;
576:): }
1.111 raeburn 577: }
578: }
579: }
580: }
1.7 www 581: }
1.12 www 582: $thisdir=~s/\/[^\/]*$//;
1.30 harris41 583: foreach (@rlinks) {
1.91 raeburn 584: unless (($_=~/^https?\:\/\//i) ||
1.31 albertel 585: ($_=~/^\//) ||
586: ($_=~/^javascript:/i) ||
587: ($_=~/^mailto:/i) ||
588: ($_=~/^\#/)) {
1.12 www 589: my $newlocation=
590: &Apache::lonnet::hreflocation($thisdir,$_);
591: $output=~s/(\"|\'|\=\s*)$_(\"|\'|\s|\>)/$1$newlocation$2/;
592: }
1.30 harris41 593: }
1.24 www 594: # -------------------------------------------------- Deal with Applet codebases
595: $output=~s/(\<applet[^\>]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
1.5 www 596: $ssibody{$_}=$output;
1.3 www 597: # ---------------------------------------------------------------- End SSI cell
598: }
1.30 harris41 599: }
1.4 www 600: }
1.2 www 601: }
1.6 www 602: unless ($contents) {
1.53 www 603: &Apache::loncommon::content_type($r,'text/html');
1.3 www 604: $r->send_http_header;
1.74 albertel 605: $r->print(&Apache::loncommon::start_page(undef,undef,
1.111.2.3 raeburn 606: {'force_register' => 1}));
1.59 raeburn 607: $r->print(&mt('This page is either empty or it only contains resources that are currently hidden').'. ');
1.74 albertel 608: $r->print('<br /><br />'.&mt('Please use the LON-CAPA navigation arrows to move to another item in the course').
609: &Apache::loncommon::end_page());
1.3 www 610: } else {
611: # ------------------------------------------------------------------ Build page
1.7 www 612:
613: # ---------------------------------------------------------------- Send headers
1.94 raeburn 614: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 615: if ($isxml) {
1.53 www 616: &Apache::loncommon::content_type($r,'text/xml');
1.37 sakharuk 617: } else {
1.53 www 618: &Apache::loncommon::content_type($r,'text/html');
1.37 sakharuk 619: }
1.74 albertel 620: $r->send_http_header;
1.7 www 621: # ------------------------------------------------------------------------ Head
1.37 sakharuk 622: if ($allscript) {
1.85 albertel 623: $allscript =
624: "\n".'<script type="text/javascript">'."\n".
625: $allscript.
626: "\n</script>\n";
1.37 sakharuk 627: }
1.96 raeburn 628: if (($nforms) && ($nuploads)) {
1.111.2.8 raeburn 629: $allscript .= &Apache::lonhtmlcommon::file_submissionchk_js(\%turninpaths,\%multiresps).
630: '<script type="text/javascript" '.
631: 'src="/res/adm/includes/file_upload.js"></script>';
1.96 raeburn 632: }
1.101 raeburn 633: if (($nforms) && (&Apache::lonhtmlcommon::htmlareabrowser())) {
634: my %textarea_args = (
635: dragmath => 'math',
636: );
637: $allscript .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
638: }
1.110 raeburn 639: if ($ntimers) {
640: $allscript .= '<script type="text/javascript">'."\n".
641: '// <![CDATA['."\n".
642: 'function pageTimer(form,prefix) {'."\n".
643: " form.elements[prefix+'markaccess'].value = 'yes';\n".
644: " form.submit();\n".
645: '}'."\n".
646: '// ]]>'.
647: "\n</script>\n";
648: }
1.111 raeburn 649: if (keys(%hastimeleft)) {
650: my (%uniquetimes,%uniquedisplays);
651: foreach my $item (values(%hastimeleft)) {
652: if (exists($uniquetimes{$item})) {
653: $uniquetimes{$item} ++;
654: } else {
655: $uniquetimes{$item} = 1;
656: }
657: }
1.111.2.10.2. (raeburn 658:): if (scalar(keys(%uniquetimes)) == 1) {
659:): my (%uniquedisplays,%uniquedones,$currdisp,$donebuttontime,
660:): $donebuttonextras);
1.111 raeburn 661: if (keys(%countdowndisp)) {
662: foreach my $item (values(%countdowndisp)) {
663: if (exists($uniquedisplays{$item})) {
664: $uniquedisplays{$item} ++;
665: } else {
666: $uniquedisplays{$item} = 1;
667: }
668: }
669: my @countdowndisplay = keys(%uniquedisplays);
670: if (scalar(@countdowndisplay) == 1) {
671: $currdisp = $countdowndisplay[0];
672: }
673: }
1.111.2.10.2. (raeburn 674:): if (keys(%donebutton)) {
675:): foreach my $item (values(%donebutton)) {
676:): if (exists($uniquedones{$item})) {
677:): $uniquedones{$item} ++;
678:): } else {
679:): $uniquedones{$item} = 1;
680:): }
681:): }
682:): my @donebuttons = sort { $ <=> $b } (keys(%uniquedones));
683:): if (scalar(@donebuttons) == 1) {
684:): if ($donebuttons[0]) {
685:): $donebuttontime = $donebuttons[0];
686:): if (ref($buttonbytime{$donebuttontime}) eq 'ARRAY') {
687:): $donebuttonextras = $donebtnextra{$buttonbytime{$donebuttontime}->[0]};
688:): }
689:): }
690:): }
691:): }
692:): &add_countdown_timer($currdisp,$donebuttontime,$donebuttonextras);
1.111 raeburn 693: }
694: }
1.111.2.3 raeburn 695: my $pagebuttonshide;
696: if (keys(%buttonshide)) {
697: my %uniquebuttonhide;
698: foreach my $item (values(%buttonshide)) {
699: if (exists($uniquebuttonhide{$item})) {
700: $uniquebuttonhide{$item} ++;
701: } else {
702: $uniquebuttonhide{$item} = 1;
703: }
704: }
705: if (keys(%uniquebuttonhide) == 1) {
706: if (lc((keys(%uniquebuttonhide))[0]) eq 'yes') {
707: $pagebuttonshide = 'yes';
708: }
709: }
710: }
1.7 www 711: # ------------------------------------------------------------------ Start body
1.85 albertel 712: $r->print(&Apache::loncommon::start_page(undef,$allscript,
1.74 albertel 713: {'force_register' => 1,
1.111.2.3 raeburn 714: 'bgcolor' => '#ffffff',
715: 'hide_buttons' => $pagebuttonshide}));
1.7 www 716: # ------------------------------------------------------------------ Start form
1.37 sakharuk 717: if ($nforms) {
1.96 raeburn 718: my $fmtag = '<form name="lonhomework" method="post" enctype="multipart/form-data"';
719: if ($nuploads) {
720: my $multi;
721: if ($nuploads > 1) {
722: $multi = 1;
723: }
724: $fmtag .= 'onsubmit="return file_submission_check(this,'."'$turninparent','$multi'".');"';
725: }
726: $fmtag .= ' action="'.
1.61 albertel 727: &Apache::lonenc::check_encrypt($requrl)
1.105 raeburn 728: .'" id="LC_page">';
1.96 raeburn 729: $r->print($fmtag);
1.40 sakharuk 730: }
1.94 raeburn 731: } elsif (($target eq 'tex') || ($target eq 'tex_answer')) {
1.92 foxr 732: # I think this is not needed as the header
733: # will be put in for each of the page parts
734: # by the londefdef.pm now that we are opening up
735: # the parts of a page.
736: #$r->print('\documentclass{article}
737: # \newcommand{\keephidden}[1]{}
738: # \usepackage[dvips]{graphicx}
739: # \usepackage{epsfig}
740: # \usepackage{calc}
741: # \usepackage{longtable}
742: # \begin{document}');
1.40 sakharuk 743: }
1.7 www 744: # ----------------------------------------------------------------- Start table
1.94 raeburn 745: if (($target eq 'tex') || ($target eq 'tex_answer')) {
1.92 foxr 746: # # $r->print('\begin{longtable}INSERTTHEHEADOFLONGTABLE\endfirsthead\endhead ');
1.43 sakharuk 747: if ($number_of_columns le $lcm) {$number_of_columns=$lcm;};
1.40 sakharuk 748: } else {
1.63 albertel 749: $r->print('<table width="100%" cols="'.$lcm.'" border="0">');
1.37 sakharuk 750: }
1.78 www 751: # generate rows
1.5 www 752: for ($i=0;$i<=$#rows;$i++) {
753: if ($rows[$i]) {
1.94 raeburn 754: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 755: $r->print("\n<tr>");
756: }
1.4 www 757: my @colcont=split(/\&/,$rows[$i]);
1.6 www 758: my $avespan=$lcm/($#colcont+1);
759: for ($j=0;$j<=$#colcont;$j++) {
760: my $rid=$colcont[$j];
1.111.2.7 raeburn 761: my $metainfo =&get_buttons(\%hash,$rid,\%buttonshide,$hostname).'<br />';
1.94 raeburn 762: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 763: $r->print('<td colspan="'.$avespan.'"');
764: }
1.99 raeburn 765: if (($cellemb{$rid} eq 'ssi') || ($cellexternal{$rid})) {
1.94 raeburn 766: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 767: if ($ssibgcolor{$rid}) {
768: $r->print(' bgcolor="'.
769: $ssibgcolor{$rid}.'"');
770: }
771: $r->print('>'.$metainfo.'<font');
772:
773: if ($ssitext{$rid}) {
774: $r->print(' text="'.$ssitext{$rid}.'"');
775: }
776: if ($ssilink{$rid}) {
777: $r->print(' link="'.$ssilink{$rid}.'"');
778: }
779: if ($ssitext{$rid}) {
780: $r->print(' vlink="'.$ssivlink{$rid}.'"');
781: }
782: if ($ssialink{$rid}) {
783: $r->print(' alink="'.$ssialink{$rid}.'"');
784: }
785: $r->print('>');
786: }
1.99 raeburn 787: unless (($cellexternal{$rid}) &&
788: ($target eq 'tex') && ($target eq 'tex_answer')) {
789: $r->print($ssibody{$rid});
790: }
1.94 raeburn 791: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 792: $r->print('</font>');
1.41 www 793: }
1.70 albertel 794: if ($env{'course.'.
795: $env{'request.course.id'}.
1.41 www 796: '.pageseparators'} eq 'yes') {
1.94 raeburn 797: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.41 www 798: $r->print('<hr />');
1.77 albertel 799: }
1.37 sakharuk 800: }
801: } elsif ($cellemb{$rid} eq 'img') {
1.14 www 802: $r->print('>'.$metainfo.'<img src="'.
1.77 albertel 803: $hash{'src_'.$rid}.'" />');
1.13 www 804: } elsif ($cellemb{$rid} eq 'emb') {
1.14 www 805: $r->print('>'.$metainfo.'<embed src="'.
1.13 www 806: $hash{'src_'.$rid}.'"></embed>');
1.60 raeburn 807: } elsif (&Apache::lonnet::declutter($hash{'src_'.$rid}) !~/\.(sequence|page)$/) {
1.104 raeburn 808: $r->print($metainfo.'<b>'.$hash{'title_'.$rid}.'</b><br />');
809: unless ($cellemb{$rid} eq 'wrp') {
810: $r->print(&mt('It is recommended that you use an up-to-date virus scanner before handling this file.'));
811: }
812: $r->print('</p><p><table>'.
813: &Apache::londocs::entryline(0,
814: &mt("Click to download or use your browser's Save Link function"),
815: '/'.&Apache::lonnet::declutter($hash{'src_'.$rid})).
816: '</table></p><br />');
1.13 www 817: }
1.94 raeburn 818: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 819: $r->print('</td>');
1.40 sakharuk 820: } else {
1.92 foxr 821: # for (my $incol=1;$incol<=$avespan;$incol++) {
822: # $r->print(' & ');
823: # }
1.37 sakharuk 824: }
1.4 www 825: }
1.94 raeburn 826: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 827: $r->print('</tr>');
1.40 sakharuk 828: } else {
1.92 foxr 829: # $r->print('REMOVETHEHEADOFLONGTABLE\\\\');
1.37 sakharuk 830: }
1.5 www 831: }
1.4 www 832: }
1.94 raeburn 833: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.37 sakharuk 834: $r->print("\n</table>");
1.40 sakharuk 835: } else {
1.92 foxr 836: # $r->print('\end{longtable}\strut');
1.37 sakharuk 837: }
1.7 www 838: # ---------------------------------------------------------------- Submit, etc.
839: if ($nforms) {
1.106 raeburn 840: my $class;
841: if ($nforms > 1) {
842: $class = ' class="LC_hwk_submit"';
1.110 raeburn 843: if ($ntimers) {
844: $nforms = 1;
845: $class = '';
846: }
1.106 raeburn 847: }
1.7 www 848: $r->print(
1.103 bisitz 849: '<input name="all_submit" value="'.&mt('Submit All').'" type="'.
1.106 raeburn 850: (($nforms>1)?'submit':'hidden').'"'.$class.' id="all_submit" />'.
1.111.2.8 raeburn 851: '<input type="hidden" name="all_submit_pressed" '.
852: 'id="all_submit_pressed" value="" />'.
1.106 raeburn 853: '<div id="msg_all_submit" style="display:none">'.
854: &mt('Processing your submission ...').'</div></form>');
1.7 www 855: }
1.94 raeburn 856: unless (($target eq 'tex') || ($target eq 'tex_answer')) {
1.76 albertel 857: $r->print(&Apache::loncommon::end_page({'discussion'
858: => 1,}));
1.40 sakharuk 859: } else {
860: $r->print('\end{document}'.$number_of_columns);
861: }
1.66 albertel 862: &Apache::lonnet::symblist($requrl,%symbhash);
1.69 albertel 863: my ($map,$id,$url)=&Apache::lonnet::decode_symb(&Apache::lonnet::symbread());
864: &Apache::lonnet::symblist($map,'last_known'=>[$url,$id]);
1.3 www 865: # -------------------------------------------------------------------- End page
866: }
1.1 www 867: # ------------------------------------------------------------- End render page
868: } else {
1.67 albertel 869: &Apache::loncommon::content_type($r,'text/html');
1.3 www 870: $r->send_http_header;
1.39 www 871: &Apache::lonsequence::viewmap($r,$requrl);
1.1 www 872: }
873: # ------------------------------------------------------------------ Untie hash
874: unless (untie(%hash)) {
875: &Apache::lonnet::logthis("<font color=blue>WARNING: ".
876: "Could not untie coursemap $fn (browse).</font>");
877: }
878: # -------------------------------------------------------------------- All done
879: return OK;
880: # ----------------------------------------------- Errors, hash could no be tied
881: }
882: }
883: }
1.67 albertel 884: &Apache::loncommon::content_type($r,'text/html');
1.39 www 885: $r->send_http_header;
886: &Apache::lonsequence::viewmap($r,$requrl);
887: return OK;
1.1 www 888: }
889:
1.83 albertel 890: sub get_buttons {
1.111.2.7 raeburn 891: my ($hash,$rid,$buttonshide,$hostname) = @_;
1.83 albertel 892:
893: my $metainfo = '';
894: my $esrc=&Apache::lonnet::declutter($hash->{'src_'.$rid});
895: my ($mapid,$resid)=split(/\./,$rid);
896: my $symb=&Apache::lonnet::encode_symb($hash->{'map_id_'.$mapid},
897: $resid,
898: $hash->{'src_'.$rid});
1.109 raeburn 899: unless ($env{'request.role.adv'}) {
1.111.2.3 raeburn 900: if ($buttonshide->{$symb} eq 'yes') {
1.109 raeburn 901: return;
902: }
903: }
1.83 albertel 904: if ($hash->{'encrypted_'.$rid}) {
905: $symb=&Apache::lonenc::encrypted($symb);
906: $esrc=&Apache::lonenc::encrypted($esrc);
907: }
908: if ($hash->{'src_'.$rid} !~ m-^/uploaded/-
1.99 raeburn 909: && $hash->{'src_'.$rid} !~ m{^https?://}
1.83 albertel 910: && !$env{'request.enc'}
911: && ($env{'request.role.adv'}
912: || !$hash->{'encrypted_'.$rid})) {
913: $metainfo .='<a name="'.&escape($symb).'" />'.
914: '<a href="'.$hash->{'src_'.$rid}.'.meta'.'" target="LONcatInfo">'.
1.100 bisitz 915: '<img src="/res/adm/pages/catalog.png" class="LC_icon"'.
916: ' alt="'.&mt('Show Metadata').'"'.
917: ' title="'.&mt('Show Metadata').'" />'.
1.83 albertel 918: '</a>';
919: }
1.99 raeburn 920: if (($hash->{'src_'.$rid} !~ m{^/uploaded/}) &&
921: ($hash->{'src_'.$rid} !~ m{^https?://})) {
1.98 raeburn 922: $metainfo .= '<a href="/adm/evaluate?postdata='.
923: &escape($esrc).
924: '" target="LONcatInfo">'.
1.100 bisitz 925: '<img src="/res/adm/pages/eval.png" class="LC_icon"'.
926: ' alt="'.&mt('Provide my evaluation of this resource').'"'.
927: ' title="'.&mt('Provide my evaluation of this resource').'" />'.
1.98 raeburn 928: '</a>';
929: }
1.97 www 930: if (($hash->{'src_'.$rid}=~/$LONCAPA::assess_re/) &&
1.83 albertel 931: ($hash->{'src_'.$rid} !~ m-^/uploaded/-)) {
932:
933: if (&Apache::lonnet::allowed('mgr',$env{'request.course.id'})) {
934: $metainfo.=
935: '<a href="/adm/grades?symb='.&escape($symb).
936: # '&command=submission" target="LONcatInfo">'.
937: '&command=submission">'.
1.100 bisitz 938: '<img src="/adm/lonMisc/subm_button.png" class="LC_icon"'.
939: ' alt="'.&mt('View Submissions for a Student or a Group of Students').'"'.
940: ' title="'.&mt('View Submissions for a Student or a Group of Students').'" />'.
1.83 albertel 941: '</a>'.
942: '<a href="/adm/grades?symb='.&escape($symb).
943: # '&command=gradingmenu" target="LONcatInfo">'.
944: '&command=gradingmenu">'.
1.100 bisitz 945: '<img src="/res/adm/pages/pgrd.png" class="LC_icon"'.
946: ' alt="'.&mt('Content Grades').'"'.
947: ' title="'.&mt('Content Grades').'" />'.
1.83 albertel 948: '</a>';
949: }
950: if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
951: $metainfo.=
952: '<a href="/adm/parmset?symb='.&escape($symb).
953: # '" target="LONcatInfo">'.
954: '" >'.
1.100 bisitz 955: '<img src="/adm/lonMisc/pprm_button.png" class="LC_icon"'.
956: ' alt="'.&mt('Content Settings').'"'.
957: ' title="'.&mt('Content Settings').'" />'.
1.83 albertel 958: '</a>';
959: }
960: }
1.111.2.6 raeburn 961: if ($env{'request.course.id'}) {
1.102 raeburn 962: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
963: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
964: my $file=&Apache::lonnet::declutter($hash->{'src_'.$rid});
1.111.2.6 raeburn 965: my $editbutton = '';
966: if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
967: my ($cfile,$home,$switchserver,$forceedit,$forceview) =
968: &Apache::lonnet::can_edit_resource($file,$cnum,$cdom,$hash->{'src_'.$rid},$symb);
969: if ($cfile ne '') {
970: my $jscall = &Apache::lonhtmlcommon::jump_to_editres($cfile,$home,$switchserver,
971: $forceedit,1,$symb,undef,
1.111.2.10 raeburn 972: &escape($env{'form.title'}),
973: $hostname);
1.111.2.6 raeburn 974: if ($jscall) {
975: $editbutton = 1;
976: my $icon = 'pcstr.png';
977: my $label = &mt('Edit');
978: my $title = &mt('Edit this resource');
979: my $pic = '<img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$icon).'"'.
980: ' class="LC_icon" alt="'.$label.'" title="'.$title.'" />';
981: $metainfo .= ' <a href="javascript:'.$jscall.';">'.$pic.'</a>';
982: }
983: }
984: }
985: if ((!$editbutton) && ($file=~/$LONCAPA::assess_re/)) {
986: my $url = &Apache::lonnet::clutter($file);
987: my $viewsrcbutton;
988: if ((&Apache::lonnet::allowed('cre','/')) &&
989: (&Apache::lonnet::metadata($url,'sourceavail') eq 'open')) {
990: $viewsrcbutton = 1;
991: } elsif (&Apache::lonnet::allowed('vxc',$env{'request.course.id'})) {
992: if ($url =~ m{^\Q/res/$cdom/\E($LONCAPA::match_username)/}) {
993: my $auname = $1;
994: if (($env{'request.course.adhocsrcaccess'} ne '') &&
995: (grep(/^\Q$auname\E$/,split(/,/,$env{'request.course.adhocsrcaccess'})))) {
996: $viewsrcbutton = 1;
997: }
998: }
999: }
1000: if ($viewsrcbutton) {
1.102 raeburn 1001: my $icon = 'pcstr.png';
1.111.2.6 raeburn 1002: my $label = &mt('View Source');
1003: my $title = &mt('View source code');
1004: my $jsrid = $rid;
1005: $jsrid =~ s/\./_/g;
1006: my $showurl = &escape(&Apache::lonenc::check_encrypt($url));
1.102 raeburn 1007: my $pic = '<img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/'.$icon).'"'.
1008: ' class="LC_icon" alt="'.$label.'" title="'.$title.'" />';
1.111.2.6 raeburn 1009: $metainfo .= ' <a href="javascript:open_source_'.$jsrid.'();">'.$pic.'</a>'."\n".
1010: '<script type="text/javascript">'."\n".
1011: "function open_source_$jsrid() {\n".
1012: " sourcewin=window.open('/adm/source?inhibitmenu=yes&viewonly=1&filename=$showurl','LONsource',".
1013: "'height=500,width=600,resizable=yes,location=no,menubar=no,toolbar=no,scrollbars=yes');\n".
1014: "}\n".
1015: "</script>\n";
1.102 raeburn 1016: }
1017: }
1018: }
1.83 albertel 1019: return $metainfo;
1020: }
1021:
1.111 raeburn 1022: sub add_countdown_timer {
1.111.2.10.2. (raeburn 1023:): my ($currdisp,$donebuttontime,$donebuttonextras) = @_;
1024:): my ($collapse,$expand,$alttxt,$title,$donebutton);
1.111 raeburn 1025: if ($currdisp eq 'inline') {
1026: $collapse = '► ';
1027: } else {
1028: $expand = '◄ ';
1029: }
1.111.2.10.2. (raeburn 1030:): if ($donebuttontime) {
1031:): my ($type,$proctor,$donebuttontext);
1032:): if (ref($donebuttonextras) eq 'HASH') {
1033:): $proctor = $donebuttonextras->{'proctor'};
1034:): $donebuttontext = $donebuttonextras->{'text'};
1035:): $type = $donebuttonextras->{'type'};
1036:): } else {
1037:): $donebuttontext = &mt('Done');
1038:): $type = 'map';
1039:): }
1040:): $donebutton =
1041:): &Apache::lonmenu::done_button_js($type,'','',$proctor,$donebuttontext);
1042:): }
1.111 raeburn 1043: unless ($env{'environment.icons'} eq 'iconsonly') {
1044: $alttxt = &mt('Timer');
1045: $title = $alttxt.' ';
1046: }
1047: my $desc = &mt('Countdown to due date/time');
1048: my $output = <<END;
1.111.2.10.2. (raeburn 1049:): $donebutton
1.111 raeburn 1050: <a href="javascript:toggleCountdown();" class="LC_menubuttons_link">
1051: <span id="ddcountcollapse" class="LC_menubuttons_inline_text">
1052: $collapse
1053: </span></a>
1054: <span id="duedatecountdown" class="LC_menubuttons_inline_text" style="display: $currdisp;"></span>
1055: <a href="javascript:toggleCountdown();" class="LC_menubuttons_link">
1056: <span id="ddcountexpand" class="LC_menubuttons_inline_text" >$expand</span>
1057: <img src="/res/adm/pages/timer.png" title="$desc" class="LC_icon" alt="$alttxt" /><span class="LC_menubuttons_inline_text">$title</span></a>
1058: END
1059: &Apache::lonhtmlcommon::clear_breadcrumb_tools();
1060: &Apache::lonhtmlcommon::add_breadcrumb_tool('tools',$output);
1061: return;
1062: }
1063:
1064:
1.1 www 1065: 1;
1066: __END__
1067:
1068:
1.89 jms 1069: =head1 NAME
1070:
1071: Apache::lonpage - Page Handler
1072:
1073: =head1 SYNOPSIS
1074:
1075: Invoked by /etc/httpd/conf/srm.conf:
1076:
1077: <LocationMatch "^/res/.*\.page$>
1078: SetHandler perl-script
1079: PerlHandler Apache::lonpage
1080: </LocationMatch>
1081:
1082: =head1 INTRODUCTION
1083:
1084: This module renders a .page resource.
1085:
1086: This is part of the LearningOnline Network with CAPA project
1087: described at http://www.lon-capa.org.
1088:
1089: =head1 HANDLER SUBROUTINE
1090:
1091: This routine is called by Apache and mod_perl.
1092:
1093: =over 4
1094:
1095: =item *
1096:
1097: set document type for header only
1098:
1099: =item *
1100:
1101: tie db file
1102:
1103: =item *
1104:
1105: render page
1106:
1107: =item *
1108:
1109: add to symb list
1110:
1111: =item *
1112:
1113: page parms
1114:
1115: =item *
1116:
1117: Get SSI output, post parameters
1.1 www 1118:
1.89 jms 1119: =item *
1120:
1121: SSI cell rendering
1122:
1123: =item *
1124:
1125: Deal with Applet codebases
1126:
1127: =item *
1128:
1129: Build page
1130:
1131: =item *
1132:
1133: send headers
1134:
1135: =item *
1136:
1137: start body
1138:
1139: =item *
1140:
1141: start form
1142:
1143: =item *
1144:
1145: start table
1146:
1147: =item *
1148:
1149: submit element, etc, render page, untie hash
1150:
1151: =back
1152:
1153: =head1 OTHER SUBROUTINES
1154:
1155: =over 4
1156:
1157: =item *
1158:
1159: euclid() : Euclid's method for determining the greatest common denominator.
1160:
1161: =item *
1162:
1163: tracetable() : Build page table.
1164:
1165: =back
1166:
1167: =cut
1.1 www 1168:
1169:
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