Annotation of loncom/xml/lonxml.pm, revision 1.531.2.27
1.2 sakharuk 1: # The LearningOnline Network with CAPA
1.3 sakharuk 2: # XML Parser Module
1.2 sakharuk 3: #
1.531.2.27! raeburn 4: # $Id: lonxml.pm,v 1.531.2.26 2024/07/07 21:43:24 raeburn Exp $
1.139 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: #
28: # Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
29: # TtHfunc and TtMfunc (the "Code") may be compiled and linked into
30: # binary executable programs or libraries distributed by the
31: # Michigan State University (the "Licensee"), but any binaries so
32: # distributed are hereby licensed only for use in the context
33: # of a program or computational system for which the Licensee is the
34: # primary author or distributor, and which performs substantial
35: # additional tasks beyond the translation of (La)TeX into HTML.
36: # The C source of the Code may not be distributed by the Licensee
37: # to any other parties under any circumstances.
38: #
1.316 albertel 39:
1.489 jms 40: =pod
41:
42: =head1 NAME
43:
44: Apache::lonxml
45:
46: =head1 SYNOPSIS
47:
48: XML Parsing Module
49:
50: This is part of the LearningOnline Network with CAPA project
51: described at http://www.lon-capa.org.
52:
53:
54: =head1 SUBROUTINES
55:
56: =cut
57:
58:
1.2 sakharuk 59:
1.4 albertel 60: package Apache::lonxml;
1.33 www 61: use vars
1.410 albertel 62: qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $errorcount $warningcount);
1.1 sakharuk 63: use strict;
1.444 albertel 64: use LONCAPA;
1.167 albertel 65: use HTML::LCParser();
1.161 albertel 66: use HTML::TreeBuilder();
67: use HTML::Entities();
68: use Safe();
69: use Safe::Hole();
70: use Math::Cephes();
71: use Math::Random();
1.531.2.23 raeburn 72: use Math::Calculus::Expression();
1.531.2.24 raeburn 73: use Number::FormatEng();
1.161 albertel 74: use Opcode();
1.271 www 75: use POSIX qw(strftime);
1.339 albertel 76: use Time::HiRes qw( gettimeofday tv_interval );
1.393 albertel 77: use Symbol();
1.266 bowersj2 78:
1.72 albertel 79: sub register {
1.141 albertel 80: my ($space,@taglist) = @_;
81: foreach my $temptag (@taglist) {
82: push(@{ $Apache::lonxml::alltags{$temptag} },$space);
1.72 albertel 83: }
84: }
85:
1.141 albertel 86: sub deregister {
87: my ($space,@taglist) = @_;
88: foreach my $temptag (@taglist) {
89: my $tempspace = $Apache::lonxml::alltags{$temptag}[-1];
90: if ($tempspace eq $space) {
91: pop(@{ $Apache::lonxml::alltags{$temptag} });
92: }
93: }
1.142 albertel 94: #&printalltags();
1.141 albertel 95: }
96:
1.46 www 97: use Apache::Constants qw(:common);
1.161 albertel 98: use Apache::lontexconvert();
99: use Apache::style();
100: use Apache::run();
101: use Apache::londefdef();
102: use Apache::scripttag();
1.285 www 103: use Apache::languagetags();
1.161 albertel 104: use Apache::edit();
1.266 bowersj2 105: use Apache::inputtags();
106: use Apache::outputtags();
1.372 albertel 107: use Apache::lonnet;
1.161 albertel 108: use Apache::File();
109: use Apache::loncommon();
1.198 www 110: use Apache::lonfeedback();
1.200 www 111: use Apache::lonmsg();
1.217 matthew 112: use Apache::loncacc();
1.431 www 113: use Apache::lonmaxima();
1.494 www 114: use Apache::lonr();
1.280 www 115: use Apache::lonlocal;
1.501 raeburn 116: use Apache::lonhtmlcommon();
1.520 www 117: use Apache::functionplotresponse();
1.529 raeburn 118: use Apache::lonnavmaps();
1.79 www 119:
1.462 foxr 120: #==================================== Main subroutine: xmlparse
121:
1.72 albertel 122: #debugging control, to turn on debugging modify the correct handler
1.462 foxr 123:
1.72 albertel 124: $Apache::lonxml::debug=0;
1.206 albertel 125:
126: # keeps count of the number of warnings and errors generated in a parse
127: $warningcount=0;
128: $errorcount=0;
1.72 albertel 129:
130: #path to the directory containing the file currently being processed
131: @pwd=();
132:
133: #these two are used for capturing a subset of the output for later processing,
134: #don't touch them directly use &startredirection and &endredirection
135: @outputstack = ();
136: $redirection = 0;
137:
138: #controls wheter the <import> tag actually does
139: $import = 1;
140: @extlinks=();
141:
142: # meta mode is a bit weird only some output is to be turned off
143: #<output> tag turns metamode off (defined in londefdef.pm)
144: $metamode = 0;
145:
146: # turns on and of run::evaluate actually derefencing var refs
147: $evaluate = 1;
1.7 albertel 148:
1.531.2.13 raeburn 149: # data structure for edit mode, determines what tags can go into what other tags
1.74 albertel 150: %insertlist=();
1.68 www 151:
1.99 albertel 152: # stores the list of active tag namespaces
1.76 albertel 153: @namespace=();
154:
1.448 albertel 155: # stores all Scrit Vars displays for later showing
156: my @script_var_displays=();
157:
1.172 albertel 158: # a pointer the the Apache request object
159: $Apache::lonxml::request='';
160:
1.216 sakharuk 161: # a problem number counter, and check on ether it is used
1.237 sakharuk 162: $Apache::lonxml::counter=1;
1.204 albertel 163: $Apache::lonxml::counter_changed=0;
164:
1.462 foxr 165: # Part counter hash. In analysis mode, the
166: # problems can use this to record which parts increment the counter
167: # by how much. The counter subs will maintain this hash via
168: # their optional part parameters. Note that the assumption is that
169: # analysis is done in one request and therefore it is not necessary to
170: # save this information request-to-request.
171:
172:
173: %Apache::lonxml::counters_per_part = ();
174:
1.212 albertel 175: #internal check on whether to look at style defs
176: $Apache::lonxml::usestyle=1;
1.260 albertel 177:
178: #locations used to store the parameter string for style substitutions
179: $Apache::lonxml::style_values='';
180: $Apache::lonxml::style_end_values='';
1.212 albertel 181:
1.281 albertel 182: #array of ssi calls that need to occur after we are done parsing
183: @Apache::lonxml::ssi_info=();
184:
1.282 albertel 185: #should we do the postag variable interpolation
186: $Apache::lonxml::post_evaluate=1;
187:
1.295 albertel 188: #a header message to emit in the case of any generated warning or errors
189: $Apache::lonxml::warnings_error_header='';
190:
1.396 foxr 191: # Control whether or not LaTeX symbols should be substituted for their
192: # \ style equivalents...this may be turned off e.g. in an verbatim
193: # environment.
194:
195: $Apache::lonxml::substitute_LaTeX_symbols = 1; # Starts out on.
196:
197: sub enable_LaTeX_substitutions {
198: $Apache::lonxml::substitute_LaTeX_symbols = 1;
199: }
200: sub disable_LaTeX_substitutions {
201: $Apache::lonxml::substitute_LaTeX_symbols = 0;
202: }
203:
1.68 www 204: sub xmlend {
1.335 sakharuk 205: my ($target,$parser)=@_;
1.278 www 206: my $mode='xml';
207: my $status='OPEN';
1.368 albertel 208: if ($Apache::lonhomework::parsing_a_problem ||
209: $Apache::lonhomework::parsing_a_task ) {
1.278 www 210: $mode='problem';
211: $status=$Apache::inputtags::status[-1];
212: }
1.362 matthew 213: my $discussion;
1.379 albertel 214: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
215: ['LONCAPA_INTERNAL_no_discussion']);
1.528 www 216: if (
217: ( (!exists($env{'form.LONCAPA_INTERNAL_no_discussion'}))
218: || ($env{'form.LONCAPA_INTERNAL_no_discussion'} ne 'true')
219: )
220: && ($env{'form.inhibitmenu'} ne 'yes')
221: ) {
1.362 matthew 222: $discussion=&Apache::lonfeedback::list_discussion($mode,$status);
223: }
1.334 sakharuk 224: if ($target eq 'tex') {
1.335 sakharuk 225: $discussion.='<tex>\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\end{document}</tex>';
1.334 sakharuk 226: &Apache::lonxml::newparser($parser,\$discussion,'');
227: return '';
228: }
1.405 albertel 229:
1.407 albertel 230: return $discussion;
1.119 www 231: }
232:
1.531.2.2 raeburn 233: sub tokeninputfield {
234: my $defhost=$Apache::lonnet::perlvar{'lonHostID'};
235: $defhost=~tr/a-z/A-Z/;
236: return (<<ENDINPUTFIELD)
237: <script type="text/javascript">
238: function updatetoken() {
239: var comp=new Array;
240: var barcode=unescape(document.tokeninput.barcode.value);
241: comp=barcode.split('*');
242: if (typeof(comp[0])!="undefined") {
243: document.tokeninput.codeone.value=comp[0];
244: }
245: if (typeof(comp[1])!="undefined") {
246: document.tokeninput.codetwo.value=comp[1];
247: }
248: if (typeof(comp[2])!="undefined") {
249: comp[2]=comp[2].toUpperCase();
250: document.tokeninput.codethree.value=comp[2];
251: }
252: document.tokeninput.barcode.value='';
253: }
254: </script>
255: <form method="post" name="tokeninput" action="">
256: <table border="2" bgcolor="#FFFFBB">
257: <tr><th>DocID Checkin</th></tr>
258: <tr><td>
259: <table>
260: <tr>
261: <td>Scan in Barcode</td>
262: <td><input type="text" size="22" name="barcode"
263: onchange="updatetoken()"/></td>
264: </tr>
265: <tr><td><i>or</i> Type in DocID</td>
266: <td>
267: <input type="text" size="5" name="codeone" />
268: <b><font size="+2">*</font></b>
269: <input type="text" size="5" name="codetwo" />
270: <b><font size="+2">*</font></b>
271: <input type="text" size="10" name="codethree" value="$defhost"
272: onchange="this.value=this.value.toUpperCase()" />
273: </td></tr>
274: </table>
275: </td></tr>
276: <tr><td><input type="submit" value="Check in DocID" /></td></tr>
277: </table>
278: </form>
279: ENDINPUTFIELD
280: }
281:
282: sub maketoken {
283: my ($symb,$tuname,$tudom,$tcrsid)=@_;
284: unless ($symb) {
285: $symb=&Apache::lonnet::symbread();
286: }
287: unless ($tuname) {
288: $tuname=$env{'user.name'};
289: $tudom=$env{'user.domain'};
290: $tcrsid=$env{'request.course.id'};
291: }
292: return &Apache::lonnet::checkout($symb,$tuname,$tudom,$tcrsid);
293: }
294:
295: sub printtokenheader {
296: my ($target,$token,$tsymb,$tcrsid,$tudom,$tuname)=@_;
297: unless ($token) { return ''; }
298:
299: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
300: unless ($tsymb) {
301: $tsymb=$symb;
302: }
303: unless ($tuname) {
304: $tuname=$name;
305: $tudom=$domain;
306: $tcrsid=$courseid;
307: }
308:
309: my $plainname=&Apache::loncommon::plainname($tuname,$tudom);
310:
311: if ($target eq 'web') {
312: my %idhash=&Apache::lonnet::idrget($tudom,($tuname));
313: return
314: '<img align="right" src="/cgi-bin/barcode.png?encode='.$token.'" />'.
315: &mt('Checked out for').' '.$plainname.
316: '<br />'.&mt('User').': '.$tuname.' at '.$tudom.
317: '<br />'.&mt('ID').': '.$idhash{$tuname}.
318: '<br />'.&mt('CourseID').': '.$tcrsid.
319: '<br />'.&mt('Course').': '.$env{'course.'.$tcrsid.'.description'}.
320: '<br />'.&mt('DocID').': '.$token.
321: '<br />'.&mt('Time').': '.&Apache::lonlocal::locallocaltime().'<hr />';
322: } else {
323: return $token;
324: }
325: }
326:
1.48 albertel 327: sub printalltags {
1.531.2.18 raeburn 328: my $temp;
329: foreach $temp (sort keys %Apache::lonxml::alltags) {
330: &Apache::lonxml::debug("$temp -- ".
331: join(',',@{ $Apache::lonxml::alltags{$temp} }));
332: }
1.48 albertel 333: }
1.31 sakharuk 334:
1.3 sakharuk 335: sub xmlparse {
1.172 albertel 336: my ($request,$target,$content_file_string,$safeinit,%style_for_target) = @_;
1.96 albertel 337:
1.172 albertel 338: &setup_globals($request,$target);
1.232 albertel 339: &Apache::inputtags::initialize_inputtags();
1.370 albertel 340: &Apache::bridgetask::initialize_bridgetask();
1.232 albertel 341: &Apache::outputtags::initialize_outputtags();
342: &Apache::edit::initialize_edit();
1.287 albertel 343: &Apache::londefdef::initialize_londefdef();
1.244 albertel 344:
1.178 www 345: #
346: # do we have a course style file?
347: #
348:
1.372 albertel 349: if ($env{'request.course.id'} && $env{'request.state'} ne 'construct') {
1.178 www 350: my $bodytext=
1.372 albertel 351: $env{'course.'.$env{'request.course.id'}.'.default_xml_style'};
1.178 www 352: if ($bodytext) {
1.337 albertel 353: foreach my $file (split(',',$bodytext)) {
354: my $location=&Apache::lonnet::filelocation('',$file);
355: my $styletext=&Apache::lonnet::getfile($location);
356: if ($styletext ne '-1') {
357: %style_for_target = (%style_for_target,
358: &Apache::style::styleparser($target,$styletext));
359: }
360: }
361: }
1.449 albertel 362: } elsif ($env{'construct.style'}
363: && ($env{'request.state'} eq 'construct')) {
1.372 albertel 364: my $location=&Apache::lonnet::filelocation('',$env{'construct.style'});
1.291 sakharuk 365: my $styletext=&Apache::lonnet::getfile($location);
1.449 albertel 366: if ($styletext ne '-1') {
367: %style_for_target = (%style_for_target,
368: &Apache::style::styleparser($target,$styletext));
369: }
1.178 www 370: }
1.255 sakharuk 371: #&printalltags();
1.16 albertel 372: my @pars = ();
1.372 albertel 373: my $pwd=$env{'request.filename'};
1.23 albertel 374: $pwd =~ s:/[^/]*$::;
375: &newparser(\@pars,\$content_file_string,$pwd);
1.24 sakharuk 376:
1.3 sakharuk 377: my $safeeval = new Safe;
1.40 albertel 378: my $safehole = new Safe::Hole;
1.82 ng 379: &init_safespace($target,$safeeval,$safehole,$safeinit);
1.3 sakharuk 380: #-------------------- Redefinition of the target in the case of compound target
381:
382: ($target, my @tenta) = split('&&',$target);
383:
1.150 albertel 384: my @stack = ();
1.3 sakharuk 385: my @parstack = ();
1.358 albertel 386: &initdepth();
387: &init_alarm();
1.101 albertel 388: my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars,
1.394 albertel 389: $safeeval,\%style_for_target,1);
1.255 sakharuk 390:
1.425 albertel 391: if (@stack) {
1.482 bisitz 392: &warning(&mt('At end of file some tags were still left unclosed:').
393: ' <tt><'.join('></tt>, <tt><',reverse(@stack)).
1.425 albertel 394: '></tt>');
395: }
1.372 albertel 396: if ($env{'request.uri'}) {
397: &writeallows($env{'request.uri'});
1.125 www 398: }
1.281 albertel 399: &do_registered_ssi();
1.204 albertel 400: if ($Apache::lonxml::counter_changed) { &store_counter() }
1.393 albertel 401:
402: &clean_safespace($safeeval);
403:
1.448 albertel 404: if (@script_var_displays) {
1.531.2.14 raeburn 405: if ($finaloutput =~ m{</body>\s*</html>\s*$}s) {
406: my $scriptoutput = join('',@script_var_displays);
407: $finaloutput=~s{(</body>\s*</html>)\s*$}{$scriptoutput$1}s;
408: } else {
409: $finaloutput .= join('',@script_var_displays);
410: }
1.448 albertel 411: undef(@script_var_displays);
412: }
1.469 albertel 413: &init_state();
1.372 albertel 414: if ($env{'form.return_only_error_and_warning_counts'}) {
1.473 www 415: if ($env{'request.filename'}=~/\.(html|htm|xml)$/i) {
416: my $error=&verify_html($content_file_string);
417: if ($error) { $errorcount++; }
418: }
1.361 www 419: return "$errorcount:$warningcount";
420: }
1.3 sakharuk 421: return $finaloutput;
1.106 www 422: }
423:
1.191 albertel 424: sub latex_special_symbols {
1.272 albertel 425: my ($string,$where)=@_;
1.396 foxr 426: #
427: # If e.g. in verbatim mode, then don't substitute.
428: # but return original string.
429: #
430: if (!($Apache::lonxml::substitute_LaTeX_symbols)) {
431: return $string;
432: }
1.235 sakharuk 433: if ($where eq 'header') {
1.414 foxr 434: $string =~ s/\\/\$\\backslash\$/g; # \ -> $\backslash$ per LaTex line by line pg 10.
1.311 albertel 435: $string =~ s/(\$|%|\{|\})/\\$1/g;
436: $string=&Apache::lonprintout::character_chart($string);
437: # any & or # leftover should be safe to just escape
438: $string=~s/([^\\])\&/$1\\\&/g;
439: $string=~s/([^\\])\#/$1\\\#/g;
1.415 foxr 440: $string =~ s/_/\\_/g; # _ -> \_
441: $string =~ s/\^/\\\^{}/g; # ^ -> \^{}
1.229 sakharuk 442: } else {
1.312 albertel 443: $string=~s/\\/\\ensuremath{\\backslash}/g;
1.367 albertel 444: $string=~s/\\\%|\%/\\\%/g;
1.531.2.24 raeburn 445: $string=~s/\\\{|\{/\\{/g;
1.367 albertel 446: $string=~s/\\}|}/\\}/g;
1.531.2.21 raeburn 447: $string=~s/\\ensuremath\\\{\\backslash\\}/\\ensuremath{\\backslash}/g;
1.367 albertel 448: $string=~s/\\\$|\$/\\\$/g;
449: $string=~s/\\\_|\_/\\\_/g;
1.313 albertel 450: $string=~s/([^\\]|^)(\~|\^)/$1\\$2\\strut /g;
1.310 sakharuk 451: $string=~s/(>|<)/\\ensuremath\{$1\}/g; #more or less
1.311 albertel 452: $string=&Apache::lonprintout::character_chart($string);
453: # any & or # leftover should be safe to just escape
1.367 albertel 454: $string=~s/\\\&|\&/\\\&/g;
455: $string=~s/\\\#|\#/\\\#/g;
1.332 sakharuk 456: $string=~s/\|/\$\\mid\$/g;
1.310 sakharuk 457: #single { or } How to escape?
1.229 sakharuk 458: }
1.272 albertel 459: return $string;
1.188 sakharuk 460: }
461:
1.101 albertel 462: sub inner_xmlparse {
1.394 albertel 463: my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target,$start)=@_;
1.101 albertel 464: my $finaloutput = '';
465: my $result;
466: my $token;
1.258 albertel 467: my $dontpop=0;
1.531.2.19 raeburn 468: my $lastdontpop;
469: my $lastendtag;
1.389 albertel 470: my $startredirection = $Apache::lonxml::redirection;
1.101 albertel 471: while ( $#$pars > -1 ) {
472: while ($token = $$pars['-1']->get_token) {
1.261 albertel 473: if (($token->[0] eq 'T') || ($token->[0] eq 'C') ) {
1.101 albertel 474: if ($metamode<1) {
1.190 albertel 475: my $text=$token->[1];
1.193 albertel 476: if ($token->[0] eq 'C' && $target eq 'tex') {
1.239 sakharuk 477: $text = '';
478: # $text = '%'.$text."\n";
1.182 sakharuk 479: }
1.190 albertel 480: $result.=$text;
1.101 albertel 481: }
1.261 albertel 482: } elsif (($token->[0] eq 'D')) {
483: if ($metamode<1 && $target eq 'web') {
484: my $text=$token->[1];
485: $result.=$text;
486: }
1.101 albertel 487: } elsif ($token->[0] eq 'PI') {
1.261 albertel 488: if ($metamode<1 && $target eq 'web') {
1.101 albertel 489: $result=$token->[2];
490: }
491: } elsif ($token->[0] eq 'S') {
1.140 albertel 492: # add tag to stack
1.101 albertel 493: push (@$stack,$token->[1]);
494: # add parameters list to another stack
495: push (@$parstack,&parstring($token));
1.140 albertel 496: &increasedepth($token);
1.212 albertel 497: if ($Apache::lonxml::usestyle &&
498: exists($$style_for_target{$token->[1]})) {
499: $Apache::lonxml::usestyle=0;
500: my $string=$$style_for_target{$token->[1]}.
501: '<LONCAPA_INTERNAL_TURN_STYLE_ON />';
502: &Apache::lonxml::newparser($pars,\$string);
1.257 albertel 503: $Apache::lonxml::style_values=$$parstack[-1];
1.259 albertel 504: $Apache::lonxml::style_end_values=$$parstack[-1];
1.101 albertel 505: } else {
506: $result = &callsub("start_$token->[1]", $target, $token, $stack,
507: $parstack, $pars, $safeeval, $style_for_target);
1.140 albertel 508: }
1.101 albertel 509: } elsif ($token->[0] eq 'E') {
1.212 albertel 510: if ($Apache::lonxml::usestyle &&
511: exists($$style_for_target{'/'."$token->[1]"})) {
512: $Apache::lonxml::usestyle=0;
513: my $string=$$style_for_target{'/'.$token->[1]}.
1.258 albertel 514: '<LONCAPA_INTERNAL_TURN_STYLE_ON end="'.$token->[1].'" />';
1.212 albertel 515: &Apache::lonxml::newparser($pars,\$string);
1.259 albertel 516: $Apache::lonxml::style_values=$Apache::lonxml::style_end_values;
517: $Apache::lonxml::style_end_values='';
1.258 albertel 518: $dontpop=1;
1.101 albertel 519: } else {
1.258 albertel 520: #clear out any tags that didn't end
521: while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) {
522: my $lasttag=$$stack[-1];
1.317 albertel 523: if ($token->[1] =~ /^\Q$lasttag\E$/i) {
1.483 bisitz 524: &Apache::lonxml::warning(&mt('Using tag [_1] on line [_2] as end tag to [_3]','</'.$token->[1].'>','.$token->[3].','<'.$$stack[-1].'>'));
1.258 albertel 525: last;
526: } else {
1.483 bisitz 527: &Apache::lonxml::warning(&mt('Found tag [_1] on line [_2] when looking for [_3] in file.','</'.$token->[1].'>',$token->[3],'</'.$$stack[-1].'>'));
1.258 albertel 528: &end_tag($stack,$parstack,$token);
529: }
530: }
531: $result = &callsub("end_$token->[1]", $target, $token, $stack,
532: $parstack, $pars,$safeeval, $style_for_target);
1.101 albertel 533: }
534: } else {
535: &Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:");
536: }
537: #evaluate variable refs in result
1.282 albertel 538: if ($Apache::lonxml::post_evaluate &&$result ne "") {
1.257 albertel 539: my $extras;
540: if (!$Apache::lonxml::usestyle) {
541: $extras=$Apache::lonxml::style_values;
542: }
1.488 raeburn 543: if ( $#$parstack > -1 ) {
544: $result=&Apache::run::evaluate($result,$safeeval,$extras.$$parstack[-1]);
545: } else {
546: $result= &Apache::run::evaluate($result,$safeeval,$extras);
1.487 raeburn 547: }
1.163 albertel 548: }
1.282 albertel 549: $Apache::lonxml::post_evaluate=1;
550:
1.190 albertel 551: if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) {
1.249 albertel 552: #Style file definitions should be correct
1.250 albertel 553: if ($target eq 'tex' && ($Apache::lonxml::usestyle)) {
1.311 albertel 554: $result=&latex_special_symbols($result);
1.249 albertel 555: }
1.190 albertel 556: }
557:
1.169 albertel 558: if ($Apache::lonxml::redirection) {
559: $Apache::lonxml::outputstack['-1'] .= $result;
560: } else {
561: $finaloutput.=$result;
562: }
563: $result = '';
564:
1.531.2.19 raeburn 565: if ($token->[0] eq 'E') {
566: if ($dontpop) {
567: $lastdontpop = $token;
568: } else {
569: $lastendtag = $token->[1];
570: &end_tag($stack,$parstack,$token);
571: }
1.101 albertel 572: }
1.258 albertel 573: $dontpop=0;
1.531.2.19 raeburn 574: }
1.212 albertel 575: if ($#$pars > -1) {
576: pop @$pars;
577: pop @Apache::lonxml::pwd;
578: }
1.101 albertel 579: }
580:
1.531.2.19 raeburn 581: if (($#$stack == 0) && ($stack->[0] eq 'physnet') && ($target eq 'web') &&
582: ($lastendtag eq 'LONCAPA_INTERNAL_TURN_STYLE_ON')) {
583: if ((ref($lastdontpop) eq 'ARRAY') && ($lastdontpop->[1] eq 'physnet')) {
584: &end_tag($stack,$parstack,$lastdontpop);
585: }
586: }
587:
1.101 albertel 588: # if ($target eq 'meta') {
589: # $finaloutput.=&endredirection;
590: # }
591:
1.394 albertel 592: if ( $start && $target eq 'grade') { &endredirection(); }
1.389 albertel 593: if ( $Apache::lonxml::redirection > $startredirection) {
594: while ($Apache::lonxml::redirection > $startredirection) {
595: $finaloutput .= &endredirection();
1.387 albertel 596: }
597: }
1.101 albertel 598: if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) {
599: $finaloutput=&afterburn($finaloutput);
1.509 www 600: }
601: if ($target eq 'modified') {
602: # if modfied, handle startpart and endpart
603: $finaloutput=~s/\<startpartmarker[^\>]*\>(.*)\<endpartmarker[^\>]*\>/<part>$1<\/part>/gs;
1.216 sakharuk 604: }
1.101 albertel 605: return $finaloutput;
606: }
1.67 www 607:
1.318 matthew 608: ##
609: ## Looks to see if there is a subroutine defined for this tag. If so, call it,
610: ## otherwise do not call it as we do not know what it is.
611: ##
1.7 albertel 612: sub callsub {
1.84 albertel 613: my ($sub,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.7 albertel 614: my $currentstring='';
1.72 albertel 615: my $nodefault;
1.7 albertel 616: {
1.59 albertel 617: my $sub1;
1.7 albertel 618: no strict 'refs';
1.68 www 619: my $tag=$token->[1];
1.236 www 620: # get utterly rid of extended html tags
621: if ($tag=~/^x\-/i) { return ''; }
1.141 albertel 622: my $space=$Apache::lonxml::alltags{$tag}[-1];
1.68 www 623: if (!$space) {
1.141 albertel 624: $tag=~tr/A-Z/a-z/;
1.68 www 625: $sub=~tr/A-Z/a-z/;
1.141 albertel 626: $space=$Apache::lonxml::alltags{$tag}[-1]
1.68 www 627: }
1.97 albertel 628:
629: my $deleted=0;
630: if (($token->[0] eq 'S') && ($target eq 'modified')) {
631: $deleted=&Apache::edit::handle_delete($space,$target,$token,$tagstack,
632: $parstack,$parser,$safeeval,
633: $style);
634: }
635: if (!$deleted) {
636: if ($space) {
1.220 albertel 637: #&Apache::lonxml::debug("Calling sub $sub in $space $metamode");
1.97 albertel 638: $sub1="$space\:\:$sub";
639: ($currentstring,$nodefault) = &$sub1($target,$token,$tagstack,
640: $parstack,$parser,$safeeval,
641: $style);
642: } else {
1.318 matthew 643: if ($target eq 'tex') {
644: # throw away tag name
645: return '';
646: }
1.220 albertel 647: #&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode");
1.97 albertel 648: if ($metamode <1) {
649: if (defined($token->[4]) && ($metamode < 1)) {
650: $currentstring = $token->[4];
651: } else {
652: $currentstring = $token->[2];
653: }
1.62 sakharuk 654: }
1.7 albertel 655: }
1.97 albertel 656: # &Apache::lonxml::debug("nodefalt:$nodefault:");
657: if ($currentstring eq '' && $nodefault eq '') {
658: if ($target eq 'edit') {
1.220 albertel 659: #&Apache::lonxml::debug("doing default edit for $token->[1]");
1.97 albertel 660: if ($token->[0] eq 'S') {
661: $currentstring = &Apache::edit::tag_start($target,$token);
662: } elsif ($token->[0] eq 'E') {
663: $currentstring = &Apache::edit::tag_end($target,$token);
664: }
1.441 albertel 665: }
666: }
667: if ($target eq 'modified' && $nodefault eq '') {
668: if ($currentstring eq '') {
669: if ($token->[0] eq 'S') {
670: $currentstring = $token->[4];
671: } elsif ($token->[0] eq 'E') {
672: $currentstring = $token->[2];
673: } else {
674: $currentstring = $token->[2];
675: }
676: }
1.97 albertel 677: if ($token->[0] eq 'S') {
1.447 albertel 678: $currentstring.=&Apache::edit::handle_insert();
1.210 www 679: } elsif ($token->[0] eq 'E') {
1.447 albertel 680: $currentstring.=&Apache::edit::handle_insertafter($token->[1]);
1.97 albertel 681: }
1.72 albertel 682: }
1.7 albertel 683: }
684: use strict 'refs';
685: }
686: return $currentstring;
1.82 ng 687: }
688:
1.465 albertel 689: {
690: my %state;
691:
692: sub init_state {
693: undef(%state);
694: }
695:
696: sub set_state {
697: my ($key,$value) = @_;
698: $state{$key} = $value;
699: return $value;
700: }
701: sub get_state {
702: my ($key) = @_;
703: return $state{$key};
704: }
705: }
706:
1.96 albertel 707: sub setup_globals {
1.172 albertel 708: my ($request,$target)=@_;
709: $Apache::lonxml::request=$request;
1.205 www 710: $errorcount=0;
711: $warningcount=0;
1.490 www 712: $Apache::lonxml::internal_error=0;
1.207 albertel 713: $Apache::lonxml::default_homework_loaded=0;
1.212 albertel 714: $Apache::lonxml::usestyle=1;
1.204 albertel 715: &init_counter();
1.462 foxr 716: &clear_bubble_lines_for_part();
1.465 albertel 717: &init_state();
1.469 albertel 718: &set_state('target',$target);
1.101 albertel 719: @Apache::lonxml::pwd=();
1.124 albertel 720: @Apache::lonxml::extlinks=();
1.448 albertel 721: @script_var_displays=();
1.281 albertel 722: @Apache::lonxml::ssi_info=();
1.282 albertel 723: $Apache::lonxml::post_evaluate=1;
1.295 albertel 724: $Apache::lonxml::warnings_error_header='';
1.397 albertel 725: $Apache::lonxml::substitute_LaTeX_symbols = 1;
1.96 albertel 726: if ($target eq 'meta') {
727: $Apache::lonxml::redirection = 0;
728: $Apache::lonxml::metamode = 1;
729: $Apache::lonxml::evaluate = 1;
730: $Apache::lonxml::import = 0;
1.129 albertel 731: } elsif ($target eq 'answer') {
732: $Apache::lonxml::redirection = 0;
733: $Apache::lonxml::metamode = 1;
734: $Apache::lonxml::evaluate = 1;
735: $Apache::lonxml::import = 1;
1.96 albertel 736: } elsif ($target eq 'grade') {
1.387 albertel 737: &startredirection(); #ended in inner_xmlparse on exit
1.96 albertel 738: $Apache::lonxml::metamode = 0;
739: $Apache::lonxml::evaluate = 1;
740: $Apache::lonxml::import = 1;
741: } elsif ($target eq 'modified') {
742: $Apache::lonxml::redirection = 0;
743: $Apache::lonxml::metamode = 0;
744: $Apache::lonxml::evaluate = 0;
745: $Apache::lonxml::import = 0;
746: } elsif ($target eq 'edit') {
747: $Apache::lonxml::redirection = 0;
748: $Apache::lonxml::metamode = 0;
749: $Apache::lonxml::evaluate = 0;
750: $Apache::lonxml::import = 0;
1.163 albertel 751: } elsif ($target eq 'analyze') {
752: $Apache::lonxml::redirection = 0;
753: $Apache::lonxml::metamode = 0;
754: $Apache::lonxml::evaluate = 1;
755: $Apache::lonxml::import = 1;
1.96 albertel 756: } else {
757: $Apache::lonxml::redirection = 0;
758: $Apache::lonxml::metamode = 0;
759: $Apache::lonxml::evaluate = 1;
760: $Apache::lonxml::import = 1;
761: }
762: }
763:
1.82 ng 764: sub init_safespace {
765: my ($target,$safeeval,$safehole,$safeinit) = @_;
1.511 foxr 766: $safeeval->reval('use LaTeX::Table;');
1.393 albertel 767: $safeeval->deny_only(':dangerous');
1.531.2.12 raeburn 768: $safeeval->reval('use LONCAPA::LCMathComplex;');
1.383 albertel 769: $safeeval->permit_only(":default");
1.82 ng 770: $safeeval->permit("entereval");
771: $safeeval->permit(":base_math");
772: $safeeval->permit("sort");
1.286 albertel 773: $safeeval->permit("time");
1.480 www 774: $safeeval->permit("caller");
1.371 albertel 775: $safeeval->deny("rand");
776: $safeeval->deny("srand");
1.82 ng 777: $safeeval->deny(":base_io");
1.102 albertel 778: $safehole->wrap(\&Apache::scripttag::xmlparse,$safeeval,'&xmlparse');
1.251 albertel 779: $safehole->wrap(\&Apache::outputtags::multipart,$safeeval,'&multipart');
1.82 ng 780: $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');
1.324 albertel 781: $safehole->wrap(\&Apache::chemresponse::chem_standard_order,$safeeval,
782: '&chem_standard_order');
1.369 albertel 783: $safehole->wrap(\&Apache::response::check_status,$safeeval,'&check_status');
1.471 bisitz 784: $safehole->wrap(\&Apache::response::implicit_multiplication,$safeeval,'&implicit_multiplication');
1.324 albertel 785:
1.431 www 786: $safehole->wrap(\&Apache::lonmaxima::maxima_eval,$safeeval,'&maxima_eval');
1.432 www 787: $safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');
1.433 albertel 788: $safehole->wrap(\&Apache::lonmaxima::maxima_cas_formula_fix,$safeeval,
789: '&maxima_cas_formula_fix');
790:
1.494 www 791: $safehole->wrap(\&Apache::lonr::r_eval,$safeeval,'&r_eval');
1.497 www 792: $safehole->wrap(\&Apache::lonr::Rentry,$safeeval,'&Rentry');
793: $safehole->wrap(\&Apache::lonr::Rarray,$safeeval,'&Rarray');
1.494 www 794: $safehole->wrap(\&Apache::lonr::r_check,$safeeval,'&r_check');
795: $safehole->wrap(\&Apache::lonr::r_cas_formula_fix,$safeeval,
796: '&r_cas_formula_fix');
797:
1.433 albertel 798: $safehole->wrap(\&Apache::caparesponse::capa_formula_fix,$safeeval,
799: '&capa_formula_fix');
1.431 www 800:
1.480 www 801: $safehole->wrap(\&Apache::lonlocal::locallocaltime,$safeeval,
802: '&locallocaltime');
803:
1.82 ng 804: $safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin');
805: $safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos');
806: $safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');
807: $safehole->wrap(\&Math::Cephes::sinh,$safeeval,'&sinh');
808: $safehole->wrap(\&Math::Cephes::cosh,$safeeval,'&cosh');
809: $safehole->wrap(\&Math::Cephes::tanh,$safeeval,'&tanh');
810: $safehole->wrap(\&Math::Cephes::asinh,$safeeval,'&asinh');
811: $safehole->wrap(\&Math::Cephes::acosh,$safeeval,'&acosh');
812: $safehole->wrap(\&Math::Cephes::atanh,$safeeval,'&atanh');
813: $safehole->wrap(\&Math::Cephes::erf,$safeeval,'&erf');
814: $safehole->wrap(\&Math::Cephes::erfc,$safeeval,'&erfc');
815: $safehole->wrap(\&Math::Cephes::j0,$safeeval,'&j0');
816: $safehole->wrap(\&Math::Cephes::j1,$safeeval,'&j1');
817: $safehole->wrap(\&Math::Cephes::jn,$safeeval,'&jn');
818: $safehole->wrap(\&Math::Cephes::jv,$safeeval,'&jv');
819: $safehole->wrap(\&Math::Cephes::y0,$safeeval,'&y0');
820: $safehole->wrap(\&Math::Cephes::y1,$safeeval,'&y1');
821: $safehole->wrap(\&Math::Cephes::yn,$safeeval,'&yn');
822: $safehole->wrap(\&Math::Cephes::yv,$safeeval,'&yv');
1.215 albertel 823:
824: $safehole->wrap(\&Math::Cephes::bdtr ,$safeeval,'&bdtr' );
825: $safehole->wrap(\&Math::Cephes::bdtrc ,$safeeval,'&bdtrc' );
826: $safehole->wrap(\&Math::Cephes::bdtri ,$safeeval,'&bdtri' );
827: $safehole->wrap(\&Math::Cephes::btdtr ,$safeeval,'&btdtr' );
828: $safehole->wrap(\&Math::Cephes::chdtr ,$safeeval,'&chdtr' );
829: $safehole->wrap(\&Math::Cephes::chdtrc,$safeeval,'&chdtrc');
830: $safehole->wrap(\&Math::Cephes::chdtri,$safeeval,'&chdtri');
831: $safehole->wrap(\&Math::Cephes::fdtr ,$safeeval,'&fdtr' );
832: $safehole->wrap(\&Math::Cephes::fdtrc ,$safeeval,'&fdtrc' );
833: $safehole->wrap(\&Math::Cephes::fdtri ,$safeeval,'&fdtri' );
834: $safehole->wrap(\&Math::Cephes::gdtr ,$safeeval,'&gdtr' );
835: $safehole->wrap(\&Math::Cephes::gdtrc ,$safeeval,'&gdtrc' );
836: $safehole->wrap(\&Math::Cephes::nbdtr ,$safeeval,'&nbdtr' );
837: $safehole->wrap(\&Math::Cephes::nbdtrc,$safeeval,'&nbdtrc');
838: $safehole->wrap(\&Math::Cephes::nbdtri,$safeeval,'&nbdtri');
839: $safehole->wrap(\&Math::Cephes::ndtr ,$safeeval,'&ndtr' );
840: $safehole->wrap(\&Math::Cephes::ndtri ,$safeeval,'&ndtri' );
841: $safehole->wrap(\&Math::Cephes::pdtr ,$safeeval,'&pdtr' );
842: $safehole->wrap(\&Math::Cephes::pdtrc ,$safeeval,'&pdtrc' );
843: $safehole->wrap(\&Math::Cephes::pdtri ,$safeeval,'&pdtri' );
844: $safehole->wrap(\&Math::Cephes::stdtr ,$safeeval,'&stdtr' );
845: $safehole->wrap(\&Math::Cephes::stdtri,$safeeval,'&stdtri');
846:
1.383 albertel 847: $safehole->wrap(\&Math::Cephes::Matrix::mat,$safeeval,'&mat');
848: $safehole->wrap(\&Math::Cephes::Matrix::new,$safeeval,
849: '&Math::Cephes::Matrix::new');
850: $safehole->wrap(\&Math::Cephes::Matrix::coef,$safeeval,
851: '&Math::Cephes::Matrix::coef');
852: $safehole->wrap(\&Math::Cephes::Matrix::clr,$safeeval,
853: '&Math::Cephes::Matrix::clr');
854: $safehole->wrap(\&Math::Cephes::Matrix::add,$safeeval,
855: '&Math::Cephes::Matrix::add');
856: $safehole->wrap(\&Math::Cephes::Matrix::sub,$safeeval,
857: '&Math::Cephes::Matrix::sub');
858: $safehole->wrap(\&Math::Cephes::Matrix::mul,$safeeval,
859: '&Math::Cephes::Matrix::mul');
860: $safehole->wrap(\&Math::Cephes::Matrix::div,$safeeval,
861: '&Math::Cephes::Matrix::div');
862: $safehole->wrap(\&Math::Cephes::Matrix::inv,$safeeval,
863: '&Math::Cephes::Matrix::inv');
864: $safehole->wrap(\&Math::Cephes::Matrix::transp,$safeeval,
865: '&Math::Cephes::Matrix::transp');
866: $safehole->wrap(\&Math::Cephes::Matrix::simq,$safeeval,
867: '&Math::Cephes::Matrix::simq');
868: $safehole->wrap(\&Math::Cephes::Matrix::mat_to_vec,$safeeval,
869: '&Math::Cephes::Matrix::mat_to_vec');
870: $safehole->wrap(\&Math::Cephes::Matrix::vec_to_mat,$safeeval,
871: '&Math::Cephes::Matrix::vec_to_mat');
872: $safehole->wrap(\&Math::Cephes::Matrix::check,$safeeval,
873: '&Math::Cephes::Matrix::check');
874: $safehole->wrap(\&Math::Cephes::Matrix::check,$safeeval,
875: '&Math::Cephes::Matrix::check');
876:
1.215 albertel 877: # $safehole->wrap(\&Math::Cephes::new_fract,$safeeval,'&new_fract');
878: # $safehole->wrap(\&Math::Cephes::radd,$safeeval,'&radd');
879: # $safehole->wrap(\&Math::Cephes::rsub,$safeeval,'&rsub');
880: # $safehole->wrap(\&Math::Cephes::rmul,$safeeval,'&rmul');
881: # $safehole->wrap(\&Math::Cephes::rdiv,$safeeval,'&rdiv');
882: # $safehole->wrap(\&Math::Cephes::euclid,$safeeval,'&euclid');
883:
1.91 ng 884: $safehole->wrap(\&Math::Random::random_beta,$safeeval,'&math_random_beta');
885: $safehole->wrap(\&Math::Random::random_chi_square,$safeeval,'&math_random_chi_square');
886: $safehole->wrap(\&Math::Random::random_exponential,$safeeval,'&math_random_exponential');
887: $safehole->wrap(\&Math::Random::random_f,$safeeval,'&math_random_f');
888: $safehole->wrap(\&Math::Random::random_gamma,$safeeval,'&math_random_gamma');
889: $safehole->wrap(\&Math::Random::random_multivariate_normal,$safeeval,'&math_random_multivariate_normal');
890: $safehole->wrap(\&Math::Random::random_multinomial,$safeeval,'&math_random_multinomial');
891: $safehole->wrap(\&Math::Random::random_noncentral_chi_square,$safeeval,'&math_random_noncentral_chi_square');
892: $safehole->wrap(\&Math::Random::random_noncentral_f,$safeeval,'&math_random_noncentral_f');
893: $safehole->wrap(\&Math::Random::random_normal,$safeeval,'&math_random_normal');
894: $safehole->wrap(\&Math::Random::random_permutation,$safeeval,'&math_random_permutation');
1.93 ng 895: $safehole->wrap(\&Math::Random::random_permuted_index,$safeeval,'&math_random_permuted_index');
1.91 ng 896: $safehole->wrap(\&Math::Random::random_uniform,$safeeval,'&math_random_uniform');
897: $safehole->wrap(\&Math::Random::random_poisson,$safeeval,'&math_random_poisson');
898: $safehole->wrap(\&Math::Random::random_uniform_integer,$safeeval,'&math_random_uniform_integer');
899: $safehole->wrap(\&Math::Random::random_negative_binomial,$safeeval,'&math_random_negative_binomial');
900: $safehole->wrap(\&Math::Random::random_binomial,$safeeval,'&math_random_binomial');
901: $safehole->wrap(\&Math::Random::random_seed_from_phrase,$safeeval,'&random_seed_from_phrase');
902: $safehole->wrap(\&Math::Random::random_set_seed_from_phrase,$safeeval,'&random_set_seed_from_phrase');
903: $safehole->wrap(\&Math::Random::random_get_seed,$safeeval,'&random_get_seed');
904: $safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');
1.458 albertel 905: $safehole->wrap(\&Apache::loncommon::languages,$safeeval,'&languages');
1.305 albertel 906: $safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');
1.311 albertel 907: $safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');
1.420 albertel 908: $safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS');
909: $safehole->wrap(\&Apache::inputtags::finalizeawards,$safeeval,'&LONCAPA_INTERNAL_FINALIZEAWARDS');
1.322 albertel 910: $safehole->wrap(\&Apache::caparesponse::get_sigrange,$safeeval,'&LONCAPA_INTERNAL_get_sigrange');
1.521 www 911: $safehole->wrap(\&Apache::functionplotresponse::fpr_val,$safeeval,'&fpr_val');
1.520 www 912: $safehole->wrap(\&Apache::functionplotresponse::fpr_f,$safeeval,'&fpr_f');
913: $safehole->wrap(\&Apache::functionplotresponse::fpr_dfdx,$safeeval,'&fpr_dfdx');
914: $safehole->wrap(\&Apache::functionplotresponse::fpr_d2fdx2,$safeeval,'&fpr_d2fdx2');
1.524 www 915: $safehole->wrap(\&Apache::functionplotresponse::fpr_vectorcoords,$safeeval,'&fpr_vectorcoords');
916: $safehole->wrap(\&Apache::functionplotresponse::fpr_objectcoords,$safeeval,'&fpr_objectcoords');
917: $safehole->wrap(\&Apache::functionplotresponse::fpr_vectorlength,$safeeval,'&fpr_vectorlength');
918: $safehole->wrap(\&Apache::functionplotresponse::fpr_vectorangle,$safeeval,'&fpr_vectorangle');
1.531.2.23 raeburn 919: $safehole->wrap(\&Math::Calculus::Expression::math_calculus_expression,$safeeval,'&math_calculus_expression');
1.531.2.24 raeburn 920: $safehole->wrap(\&Number::FormatEng::format_eng,$safeeval,'&number_format_eng');
921: $safehole->wrap(\&Number::FormatEng::format_pref,$safeeval,'&number_format_pref');
1.520 www 922:
1.430 albertel 923: # use Data::Dumper;
924: # $safehole->wrap(\&Data::Dumper::Dumper,$safeeval,'&LONCAPA_INTERNAL_Dumper');
1.82 ng 925: #need to inspect this class of ops
926: # $safeeval->deny(":base_orig");
1.331 albertel 927: $safeeval->permit("require");
1.91 ng 928: $safeinit .= ';$external::target="'.$target.'";';
1.82 ng 929: &Apache::run::run($safeinit,$safeeval);
1.531.2.18 raeburn 930: my $rawrndseed = &initialize_rndseed($safeeval);
931: if ($target eq 'grade') {
932: $Apache::lonhomework::rawrndseed = $rawrndseed;
933: }
1.373 albertel 934: }
1.303 albertel 935:
1.393 albertel 936: sub clean_safespace {
937: my ($safeeval) = @_;
938: delete_package_recurse($safeeval->{Root});
939: }
940:
941: sub delete_package_recurse {
942: my ($package) = @_;
943: my @subp;
944: {
945: no strict 'refs';
946: while (my ($key,$val) = each(%{*{"$package\::"}})) {
947: if (!defined($val)) { next; }
948: local (*ENTRY) = $val;
949: if (defined *ENTRY{HASH} && $key =~ /::$/ &&
950: $key ne "main::" && $key ne "<none>::")
951: {
952: my ($p) = $package ne "main" ? "$package\::" : "";
953: ($p .= $key) =~ s/::$//;
954: push(@subp,$p);
955: }
956: }
957: }
958: foreach my $p (@subp) {
959: delete_package_recurse($p);
960: }
961: Symbol::delete_package($package);
962: }
963:
1.373 albertel 964: sub initialize_rndseed {
965: my ($safeeval)=@_;
966: my $rndseed;
1.423 albertel 967: my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
1.373 albertel 968: $rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name);
969: my $safeinit = '$external::randomseed="'.$rndseed.'";';
970: &Apache::lonxml::debug("Setting rndseed to $rndseed");
971: &Apache::run::run($safeinit,$safeeval);
1.531.2.18 raeburn 972: return $rndseed;
1.207 albertel 973: }
974:
975: sub default_homework_load {
976: my ($safeeval)=@_;
977: &Apache::lonxml::debug('Loading default_homework');
1.522 raeburn 978: my $default=&Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonIncludes'}.
979: '/default_homework.lcpm');
1.241 albertel 980: if ($default eq -1) {
1.207 albertel 981: &Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>");
982: } else {
983: &Apache::run::run($default,$safeeval);
984: $Apache::lonxml::default_homework_loaded=1;
985: }
1.17 albertel 986: }
987:
1.358 albertel 988: {
989: my $alarm_depth;
990: sub init_alarm {
991: alarm(0);
992: $alarm_depth=0;
993: }
994:
995: sub start_alarm {
996: if ($alarm_depth<1) {
997: my $old=alarm($Apache::lonnet::perlvar{'lonScriptTimeout'});
998: if ($old) {
999: &Apache::lonxml::error("Cancelled an alarm of $old, this shouldn't occur.");
1000: }
1001: }
1002: $alarm_depth++;
1003: }
1004:
1005: sub end_alarm {
1006: $alarm_depth--;
1007: if ($alarm_depth<1) { alarm(0); }
1008: }
1009: }
1.328 albertel 1010: my $metamode_was;
1.55 albertel 1011: sub startredirection {
1.328 albertel 1012: if (!$Apache::lonxml::redirection) {
1013: $metamode_was=$Apache::lonxml::metamode;
1014: }
1015: $Apache::lonxml::metamode=0;
1016: $Apache::lonxml::redirection++;
1017: push (@Apache::lonxml::outputstack, '');
1.55 albertel 1018: }
1019:
1020: sub endredirection {
1.328 albertel 1021: if (!$Apache::lonxml::redirection) {
1.380 www 1022: &Apache::lonxml::error("Endredirection was called before a startredirection, perhaps you have unbalanced tags. Some debugging information:".join ":",caller);
1.328 albertel 1023: return '';
1024: }
1025: $Apache::lonxml::redirection--;
1026: if (!$Apache::lonxml::redirection) {
1027: $Apache::lonxml::metamode=$metamode_was;
1028: }
1029: pop @Apache::lonxml::outputstack;
1.97 albertel 1030: }
1.459 albertel 1031: sub in_redirection {
1032: return ($Apache::lonxml::redirection > 0)
1033: }
1.97 albertel 1034:
1035: sub end_tag {
1036: my ($tagstack,$parstack,$token)=@_;
1037: pop(@$tagstack);
1038: pop(@$parstack);
1039: &decreasedepth($token);
1.55 albertel 1040: }
1041:
1.17 albertel 1042: sub initdepth {
1043: @Apache::lonxml::depthcounter=();
1.439 albertel 1044: undef($Apache::lonxml::last_depth_count);
1.17 albertel 1045: }
1046:
1.438 albertel 1047:
1.339 albertel 1048: my @timers;
1049: my $lasttime;
1.438 albertel 1050: # @Apache::lonxml::depthcounter -> count of tags that exist so
1051: # far at each level
1.439 albertel 1052: # $Apache::lonxml::last_depth_count -> when ascending, need to
1053: # remember the count for the level below the current level (for
1054: # example going from 1_2 -> 1 -> 1_3 need to remember the 2 )
1.438 albertel 1055:
1.17 albertel 1056: sub increasedepth {
1.19 albertel 1057: my ($token) = @_;
1.439 albertel 1058: push(@Apache::lonxml::depthcounter,$Apache::lonxml::last_depth_count+1);
1059: undef($Apache::lonxml::last_depth_count);
1.340 albertel 1060: my $time;
1061: if ($Apache::lonxml::debug eq "1") {
1062: push(@timers,[&gettimeofday()]);
1063: $time=&tv_interval($lasttime);
1064: $lasttime=[&gettimeofday()];
1065: }
1.439 albertel 1066: my $spacing=' 'x($#Apache::lonxml::depthcounter);
1.438 albertel 1067: $Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter);
1.439 albertel 1068: # &Apache::lonxml::debug("s$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time");
1.54 albertel 1069: #print "<br />s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n";
1.17 albertel 1070: }
1071:
1072: sub decreasedepth {
1.19 albertel 1073: my ($token) = @_;
1.439 albertel 1074: if ( $#Apache::lonxml::depthcounter == -1) {
1075: &Apache::lonxml::warning(&mt("Missing tags, unable to properly run file."));
1.43 albertel 1076: }
1.439 albertel 1077: $Apache::lonxml::last_depth_count = pop(@Apache::lonxml::depthcounter);
1078:
1.340 albertel 1079: my ($timer,$time);
1080: if ($Apache::lonxml::debug eq "1") {
1081: $timer=pop(@timers);
1082: $time=&tv_interval($lasttime);
1083: $lasttime=[&gettimeofday()];
1084: }
1.439 albertel 1085: my $spacing=' 'x($#Apache::lonxml::depthcounter);
1086: $Apache::lonxml::curdepth = join('_',@Apache::lonxml::depthcounter);
1087: # &Apache::lonxml::debug("e$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time : ".&tv_interval($timer));
1.54 albertel 1088: #print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n";
1.1 sakharuk 1089: }
1.19 albertel 1090:
1.399 albertel 1091: sub get_id {
1092: my ($parstack,$safeeval)=@_;
1093: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
1.531.2.24 raeburn 1094: if ($env{'request.state'} eq 'construct' && $id =~ /([._]|[^\w\s\-])/) {
1.498 bisitz 1095: &error(&mt('ID [_1] contains invalid characters. IDs are only allowed to contain letters, numbers, spaces and -','"<tt>'.$id.'</tt>"'));
1.399 albertel 1096: }
1097: if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
1098: return $id;
1099: }
1100:
1.180 albertel 1101: sub get_all_text_unbalanced {
1.190 albertel 1102: #there is a copy of this in lonpublisher.pm
1.326 albertel 1103: my($tag,$pars)= @_;
1104: my $token;
1105: my $result='';
1106: $tag='<'.$tag.'>';
1107: while ($token = $$pars[-1]->get_token) {
1108: if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
1.386 albertel 1109: if ($token->[0] eq 'T' && $token->[2]) {
1.382 albertel 1110: $result.='<![CDATA['.$token->[1].']]>';
1111: } else {
1112: $result.=$token->[1];
1113: }
1.326 albertel 1114: } elsif ($token->[0] eq 'PI') {
1115: $result.=$token->[2];
1116: } elsif ($token->[0] eq 'S') {
1117: $result.=$token->[4];
1118: } elsif ($token->[0] eq 'E') {
1119: $result.=$token->[2];
1120: }
1121: if ($result =~ /\Q$tag\E/is) {
1122: ($result,my $redo)=$result =~ /(.*)\Q$tag\E(.*)/is;
1123: #&Apache::lonxml::debug('Got a winner with leftovers ::'.$2);
1124: #&Apache::lonxml::debug('Result is :'.$1);
1125: $redo=$tag.$redo;
1126: &Apache::lonxml::newparser($pars,\$redo);
1127: last;
1128: }
1129: }
1130: return $result
1.462 foxr 1131:
1.204 albertel 1132: }
1133:
1.462 foxr 1134: #########################################################################
1135: # #
1136: # bubble line counter management #
1137: # #
1138: #########################################################################
1139:
1.447 albertel 1140: =pod
1141:
1142: For bubble grading mode and exam bubble printing mode, the tracking of
1143: the current 'bubble line number' is stored in the %env element
1144: 'form.counter', and is modifed and handled by the following routines.
1145:
1146: The value of it is stored in $Apache:lonxml::counter when live and
1147: stored back to env after done.
1148:
1.522 raeburn 1149: =item &increment_counter($increment, $part_response);
1.447 albertel 1150:
1151: Increments the internal counter environment variable a specified amount
1152:
1153: Optional Arguments:
1154: $increment - amount to increment by (defaults to 1)
1.462 foxr 1155: Also 1 if the value is negative or zero.
1.467 foxr 1156: $part_response - A concatenation of the part and response id
1157: identifying exactly what is being 'answered'.
1158:
1.447 albertel 1159:
1160: =cut
1161:
1.204 albertel 1162: sub increment_counter {
1.467 foxr 1163: my ($increment, $part_response) = @_;
1.481 raeburn 1164: if ($env{'form.grade_noincrement'}) { return; }
1.462 foxr 1165: if (!defined($increment) || $increment le 0) {
1166: $increment = 1;
1167: }
1168: $Apache::lonxml::counter += $increment;
1169:
1.466 foxr 1170: # If the caller supplied the response_id parameter,
1.462 foxr 1171: # Maintain its counter.. creating if necessary.
1172:
1.470 albertel 1173: if (defined($part_response)) {
1.467 foxr 1174: if (!defined($Apache::lonxml::counters_per_part{$part_response})) {
1175: $Apache::lonxml::counters_per_part{$part_response} = 0;
1.462 foxr 1176: }
1.467 foxr 1177: $Apache::lonxml::counters_per_part{$part_response} += $increment;
1178: my $new_value = $Apache::lonxml::counters_per_part{$part_response};
1.247 albertel 1179: }
1.462 foxr 1180:
1.289 sakharuk 1181: $Apache::lonxml::counter_changed=1;
1.204 albertel 1182: }
1183:
1.447 albertel 1184: =pod
1185:
1.461 foxr 1186: =item &init_counter($increment);
1.447 albertel 1187:
1188: Initialize the internal counter environment variable
1189:
1190: =cut
1191:
1.204 albertel 1192: sub init_counter {
1.391 albertel 1193: if ($env{'request.state'} eq 'construct') {
1194: $Apache::lonxml::counter=1;
1195: $Apache::lonxml::counter_changed=1;
1196: } elsif (defined($env{'form.counter'})) {
1.372 albertel 1197: $Apache::lonxml::counter=$env{'form.counter'};
1.247 albertel 1198: $Apache::lonxml::counter_changed=0;
1.237 sakharuk 1199: } else {
1.204 albertel 1200: $Apache::lonxml::counter=1;
1.247 albertel 1201: $Apache::lonxml::counter_changed=1;
1.204 albertel 1202: }
1203: }
1204:
1205: sub store_counter {
1.474 raeburn 1206: &Apache::lonnet::appenv({'form.counter' => $Apache::lonxml::counter});
1.401 albertel 1207: $Apache::lonxml::counter_changed=0;
1.204 albertel 1208: return '';
1.180 albertel 1209: }
1210:
1.398 albertel 1211: {
1212: my $state;
1213: sub clear_problem_counter {
1214: undef($state);
1215: &Apache::lonnet::delenv('form.counter');
1216: &Apache::lonxml::init_counter();
1217: &Apache::lonxml::store_counter();
1218: }
1219:
1220: sub remember_problem_counter {
1.422 albertel 1221: &Apache::lonnet::transfer_profile_to_env(undef,undef,1);
1.398 albertel 1222: $state = $env{'form.counter'};
1223: }
1224:
1225: sub restore_problem_counter {
1226: if (defined($state)) {
1.474 raeburn 1227: &Apache::lonnet::appenv({'form.counter' => $state});
1.398 albertel 1228: }
1229: }
1.401 albertel 1230: sub get_problem_counter {
1231: if ($Apache::lonxml::counter_changed) { &store_counter() }
1.422 albertel 1232: &Apache::lonnet::transfer_profile_to_env(undef,undef,1);
1.401 albertel 1233: return $env{'form.counter'};
1234: }
1.398 albertel 1235: }
1236:
1.462 foxr 1237: =pod
1238:
1.468 albertel 1239: =item bubble_lines_for_part(part_response)
1.462 foxr 1240:
1241: Returns the number of lines required to get a response for
1.467 foxr 1242: $part_response (this is just $Apache::lonxml::counters_per_part{$part_response}
1.462 foxr 1243:
1244: =cut
1245:
1246: sub bubble_lines_for_part {
1.467 foxr 1247: my ($part_response) = @_;
1.462 foxr 1248:
1.467 foxr 1249: if (!defined($Apache::lonxml::counters_per_part{$part_response})) {
1.462 foxr 1250: return 0;
1251: } else {
1.467 foxr 1252: return $Apache::lonxml::counters_per_part{$part_response};
1.462 foxr 1253: }
1254: }
1255:
1256: =pod
1257:
1258: =item clear_bubble_lines_for_part
1259:
1260: Clears the hash of bubble lines per part. If a caller
1261: needs to analyze several resources this should be called between
1262: resources to reset the hash for each problem being analyzed.
1263:
1264: =cut
1265:
1266: sub clear_bubble_lines_for_part {
1267: undef(%Apache::lonxml::counters_per_part);
1268: }
1269:
1270: =pod
1271:
1.468 albertel 1272: =item set_bubble_lines(part_response, value)
1.462 foxr 1273:
1274: If there is a problem part, that for whatever reason
1275: requires bubble lines that are not
1276: the same as the counter increment, it can call this sub during
1277: analysis to set its hash value explicitly.
1278:
1279: =cut
1280:
1281: sub set_bubble_lines {
1.467 foxr 1282: my ($part_response, $value) = @_;
1.462 foxr 1283:
1.467 foxr 1284: $Apache::lonxml::counters_per_part{$part_response} = $value;
1.462 foxr 1285: }
1286:
1287: =pod
1288:
1289: =item get_bubble_line_hash
1290:
1291: Returns the current bubble line hash. This is assumed to
1292: be small so we return a copy
1293:
1294:
1295: =cut
1296:
1297: sub get_bubble_line_hash {
1298: return %Apache::lonxml::counters_per_part;
1299: }
1300:
1301:
1302: #--------------------------------------------------
1303:
1.19 albertel 1304: sub get_all_text {
1.270 albertel 1305: my($tag,$pars,$style)= @_;
1306: my $gotfullstack=1;
1307: if (ref($pars) ne 'ARRAY') {
1308: $gotfullstack=0;
1309: $pars=[$pars];
1310: }
1311: if (ref($style) ne 'HASH') {
1312: $style={};
1313: }
1314: my $depth=0;
1315: my $token;
1316: my $result='';
1317: if ( $tag =~ m:^/: ) {
1318: my $tag=substr($tag,1);
1319: #&Apache::lonxml::debug("have:$tag:");
1320: my $top_empty=0;
1321: while (($depth >=0) && ($#$pars > -1) && (!$top_empty)) {
1322: while (($depth >=0) && ($token = $$pars[-1]->get_token)) {
1323: #&Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]:".$#$pars.":".$#Apache::lonxml::pwd);
1324: if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
1.382 albertel 1325: if ($token->[2]) {
1326: $result.='<![CDATA['.$token->[1].']]>';
1327: } else {
1328: $result.=$token->[1];
1329: }
1.270 albertel 1330: } elsif ($token->[0] eq 'PI') {
1331: $result.=$token->[2];
1332: } elsif ($token->[0] eq 'S') {
1.316 albertel 1333: if ($token->[1] =~ /^\Q$tag\E$/i) { $depth++; }
1334: if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/) { $Apache::lonxml::usestyle=1; }
1335: if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/) { $Apache::lonxml::usestyle=0; }
1.270 albertel 1336: $result.=$token->[4];
1337: } elsif ($token->[0] eq 'E') {
1.316 albertel 1338: if ( $token->[1] =~ /^\Q$tag\E$/i) { $depth--; }
1.270 albertel 1339: #skip sending back the last end tag
1.283 albertel 1340: if ($depth == 0 && exists($$style{'/'.$token->[1]}) && $Apache::lonxml::usestyle) {
1.270 albertel 1341: my $string=
1342: '<LONCAPA_INTERNAL_TURN_STYLE_OFF end="yes" />'.
1343: $$style{'/'.$token->[1]}.
1344: $token->[2].
1345: '<LONCAPA_INTERNAL_TURN_STYLE_ON />';
1346: &Apache::lonxml::newparser($pars,\$string);
1347: #&Apache::lonxml::debug("reParsing $string");
1348: next;
1349: }
1350: if ($depth > -1) {
1351: $result.=$token->[2];
1352: } else {
1353: $$pars[-1]->unget_token($token);
1354: }
1355: }
1356: }
1357: if (($depth >=0) && ($#$pars == 0) ) { $top_empty=1; }
1358: if (($depth >=0) && ($#$pars > 0) ) {
1359: pop(@$pars);
1360: pop(@Apache::lonxml::pwd);
1361: }
1362: }
1363: if ($top_empty && $depth >= 0) {
1364: #never found the end tag ran out of text, throw error send back blank
1365: &error('Never found end tag for <'.$tag.
1366: '> current string <pre>'.
1.314 albertel 1367: &HTML::Entities::encode($result,'<>&"').
1.270 albertel 1368: '</pre>');
1369: if ($gotfullstack) {
1370: my $newstring='</'.$tag.'>'.$result;
1371: &Apache::lonxml::newparser($pars,\$newstring);
1372: }
1373: $result='';
1374: }
1375: } else {
1376: while ($#$pars > -1) {
1377: while ($token = $$pars[-1]->get_token) {
1378: #&Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]");
1379: if (($token->[0] eq 'T')||($token->[0] eq 'C')||
1380: ($token->[0] eq 'D')) {
1.382 albertel 1381: if ($token->[2]) {
1382: $result.='<![CDATA['.$token->[1].']]>';
1383: } else {
1384: $result.=$token->[1];
1385: }
1.270 albertel 1386: } elsif ($token->[0] eq 'PI') {
1387: $result.=$token->[2];
1388: } elsif ($token->[0] eq 'S') {
1.316 albertel 1389: if ( $token->[1] =~ /^\Q$tag\E$/i) {
1.270 albertel 1390: $$pars[-1]->unget_token($token); last;
1391: } else {
1392: $result.=$token->[4];
1393: }
1.316 albertel 1394: if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/) { $Apache::lonxml::usestyle=1; }
1395: if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/) { $Apache::lonxml::usestyle=0; }
1.270 albertel 1396: } elsif ($token->[0] eq 'E') {
1397: $result.=$token->[2];
1398: }
1399: }
1400: if (($#$pars > 0) ) {
1401: pop(@$pars);
1402: pop(@Apache::lonxml::pwd);
1403: } else { last; }
1404: }
1405: }
1406: #&Apache::lonxml::debug("Exit:$result:");
1407: return $result
1.19 albertel 1408: }
1409:
1.23 albertel 1410: sub newparser {
1411: my ($parser,$contentref,$dir) = @_;
1.167 albertel 1412: push (@$parser,HTML::LCParser->new($contentref));
1.365 albertel 1413: $$parser[-1]->xml_mode(1);
1414: $$parser[-1]->marked_sections(1);
1.23 albertel 1415: if ( $dir eq '' ) {
1416: push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]);
1417: } else {
1418: push (@Apache::lonxml::pwd, $dir);
1419: }
1420: }
1.1 sakharuk 1421:
1.8 albertel 1422: sub parstring {
1.417 albertel 1423: my ($token) = @_;
1424: my (@vars,@values);
1425: foreach my $attr (@{$token->[3]}) {
1426: if ($attr!~/\W/) {
1427: my $val=$token->[2]->{$attr};
1428: $val =~ s/([\%\@\\\"\'])/\\$1/g;
1429: $val =~ s/(\$[^\{a-zA-Z_])/\\$1/g;
1430: $val =~ s/(\$)$/\\$1/;
1431: #if ($val =~ m/^[\%\@]/) { $val="\\".$val; }
1432: push(@vars,"\$$attr");
1433: push(@values,"\"$val\"");
1434: }
1435: }
1436: my $var_init =
1437: (@vars) ? 'my ('.join(',',@vars).') = ('.join(',',@values).');'
1438: : '';
1439: return $var_init;
1.8 albertel 1440: }
1.22 albertel 1441:
1.384 albertel 1442: sub extlink {
1443: my ($res,$exact)=@_;
1444: if (!$exact) {
1445: $res=&Apache::lonnet::hreflocation($Apache::lonxml::pwd[-1],$res);
1446: }
1.531.2.18 raeburn 1447: push(@Apache::lonxml::extlinks,$res);
1.384 albertel 1448: }
1449:
1.34 www 1450: sub writeallows {
1.126 www 1451: unless ($#extlinks>=0) { return; }
1.377 albertel 1452: my $thisurl = &Apache::lonnet::clutter(shift);
1.372 albertel 1453: if ($env{'httpref.'.$thisurl}) {
1454: $thisurl=$env{'httpref.'.$thisurl};
1.111 www 1455: }
1.34 www 1456: my $thisdir=$thisurl;
1457: $thisdir=~s/\/[^\/]+$//;
1458: my %httpref=();
1.142 albertel 1459: foreach (@extlinks) {
1.34 www 1460: $httpref{'httpref.'.
1.444 albertel 1461: &Apache::lonnet::hreflocation($thisdir,&unescape($_))}=$thisurl;
1.142 albertel 1462: }
1.126 www 1463: @extlinks=();
1.474 raeburn 1464: &Apache::lonnet::appenv(\%httpref);
1.34 www 1465: }
1466:
1.281 albertel 1467: sub register_ssi {
1468: my ($url,%form)=@_;
1469: push (@Apache::lonxml::ssi_info,{'url'=>$url,'form'=>\%form});
1470: return '';
1471: }
1472:
1473: sub do_registered_ssi {
1474: foreach my $info (@Apache::lonxml::ssi_info) {
1475: my %form=%{ $info->{'form'}};
1476: my $url=$info->{'url'};
1477: &Apache::lonnet::ssi($url,%form);
1478: }
1479: }
1.448 albertel 1480:
1481: sub add_script_result {
1482: my ($display) = @_;
1.531.2.14 raeburn 1483: if ($display ne '') {
1484: push(@script_var_displays, $display);
1485: }
1.448 albertel 1486: }
1487:
1.66 www 1488: #
1489: # Afterburner handles anchors, highlights and links
1490: #
1491: sub afterburn {
1492: my $result=shift;
1.154 albertel 1493: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1494: ['highlight','anchor','link']);
1.372 albertel 1495: if ($env{'form.highlight'}) {
1496: foreach (split(/\,/,$env{'form.highlight'})) {
1.66 www 1497: my $anchorname=$_;
1498: my $matchthis=$anchorname;
1499: $matchthis=~s/\_+/\\s\+/g;
1.317 albertel 1500: $result=~s/(\Q$matchthis\E)/\<font color=\"red\"\>$1\<\/font\>/gs;
1.142 albertel 1501: }
1.66 www 1502: }
1.372 albertel 1503: if ($env{'form.link'}) {
1504: foreach (split(/\,/,$env{'form.link'})) {
1.66 www 1505: my ($anchorname,$linkurl)=split(/\>/,$_);
1506: my $matchthis=$anchorname;
1507: $matchthis=~s/\_+/\\s\+/g;
1.317 albertel 1508: $result=~s/(\Q$matchthis\E)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs;
1.142 albertel 1509: }
1.66 www 1510: }
1.372 albertel 1511: if ($env{'form.anchor'}) {
1512: my $anchorname=$env{'form.anchor'};
1.66 www 1513: my $matchthis=$anchorname;
1514: $matchthis=~s/\_+/\\s\+/g;
1.317 albertel 1515: $result=~s/(\Q$matchthis\E)/\<a name=\"$anchorname\"\>$1\<\/a\>/s;
1.66 www 1516: $result.=(<<"ENDSCRIPT");
1.226 albertel 1517: <script type="text/javascript">
1.66 www 1518: document.location.hash='$anchorname';
1519: </script>
1520: ENDSCRIPT
1521: }
1522: return $result;
1523: }
1524:
1.79 www 1525: sub storefile {
1526: my ($file,$contents)=@_;
1.290 albertel 1527: &Apache::lonnet::correct_line_ends(\$contents);
1.79 www 1528: if (my $fh=Apache::File->new('>'.$file)) {
1529: print $fh $contents;
1530: $fh->close();
1.271 www 1531: return 1;
1.147 albertel 1532: } else {
1.482 bisitz 1533: &warning(&mt('Unable to save file [_1]','<tt>'.$file.'</tt>'));
1.271 www 1534: return 0;
1.79 www 1535: }
1536: }
1537:
1.151 albertel 1538: sub createnewhtml {
1.321 www 1539: my $title=&mt('Title of document goes here');
1540: my $body=&mt('Body of document goes here');
1541: my $filecontents=(<<SIMPLECONTENT);
1.78 www 1542: <html>
1543: <head>
1.321 www 1544: <title>$title</title>
1.78 www 1545: </head>
1546: <body bgcolor="#FFFFFF">
1.321 www 1547: $body
1.78 www 1548: </body>
1549: </html>
1550: SIMPLECONTENT
1.321 www 1551: return $filecontents;
1.151 albertel 1552: }
1553:
1.274 albertel 1554: sub createnewsty {
1555: my $filecontents=(<<SIMPLECONTENT);
1556: <definetag name="">
1557: <render>
1558: <web></web>
1559: <tex></tex>
1560: </render>
1561: </definetag>
1562: SIMPLECONTENT
1563: return $filecontents;
1564: }
1565:
1.493 raeburn 1566: sub createnewjs {
1567: my $filecontents=(<<SIMPLECONTENT);
1568: <script type="text/javascript" language="Javascript">
1569:
1570: </script>
1571: SIMPLECONTENT
1572: return $filecontents;
1573: }
1574:
1.472 www 1575: sub verify_html {
1576: my ($filecontents)=@_;
1.531.2.19 raeburn 1577: my ($is_html,$is_xml,$is_physnet);
1.516 raeburn 1578: if ($filecontents =~/(?:\<|\<\;)\?xml[^\<]*\?(?:\>|\>\;)/is) {
1579: $is_xml = 1;
1.518 raeburn 1580: } elsif ($filecontents =~/(?:\<|\<\;)html(?:\s+[^\<]+|\s*)(?:\>|\>\;)/is) {
1.516 raeburn 1581: $is_html = 1;
1.531.2.19 raeburn 1582: } elsif ($filecontents =~/(?:\<|\<\;)physnet[^\<]*(?:\>|\>\;)/is) {
1583: $is_physnet = 1;
1.516 raeburn 1584: }
1.531.2.19 raeburn 1585: unless ($is_xml || $is_html || $is_physnet) {
1.516 raeburn 1586: return &mt('File does not have [_1] or [_2] starting tag','<html>','<?xml ?>');
1587: }
1588: if ($is_html) {
1589: if ($filecontents!~/(?:\<|\<\;)\/html(?:\>|\>\;)/is) {
1590: return &mt('File does not have [_1] ending tag','<html>');
1591: }
1592: if ($filecontents!~/(?:\<|\<\;)(?:body|frameset)[^\<]*(?:\>|\>\;)/is) {
1593: return &mt('File does not have [_1] or [_2] starting tag','<body>','<frameset>');
1594: }
1595: if ($filecontents!~/(?:\<|\<\;)\/(?:body|frameset)[^\<]*(?:\>|\>\;)/is) {
1596: return &mt('File does not have [_1] or [_2] ending tag','<body>','<frameset>');
1597: }
1.472 www 1598: }
1599: return '';
1600: }
1.147 albertel 1601:
1.478 www 1602: sub renderingoptions {
1603: my %langchoices=('' => '');
1604: foreach (&Apache::loncommon::languageids()) {
1605: if (&Apache::loncommon::supportedlanguagecode($_)) {
1606: $langchoices{&Apache::loncommon::supportedlanguagecode($_)}
1607: = &Apache::loncommon::plainlanguagedescription($_);
1608: }
1609: }
1.500 raeburn 1610: my $output;
1611: unless ($env{'form.forceedit'}) {
1.504 bisitz 1612: $output .=
1613: '<span class="LC_nobreak">'.
1.500 raeburn 1614: &mt('Language:').' '.
1.504 bisitz 1615: &Apache::loncommon::select_form(
1616: $env{'form.languages'},
1617: 'languages',
1.510 raeburn 1618: {&Apache::lonlocal::texthash(%langchoices)}).
1.504 bisitz 1619: '</span>';
1.500 raeburn 1620: }
1.504 bisitz 1621: $output .=
1622: ' <span class="LC_nobreak">'.
1.479 bisitz 1623: &mt('Math Rendering:').' '.
1.504 bisitz 1624: &Apache::loncommon::select_form(
1625: $env{'form.texengine'},
1626: 'texengine',
1.510 raeburn 1627: {&Apache::lonlocal::texthash
1.504 bisitz 1628: ('' => '',
1629: 'tth' => 'tth (TeX to HTML)',
1.531.2.3 raeburn 1630: 'MathJax' => 'MathJax',
1.510 raeburn 1631: 'mimetex' => 'mimetex (Convert to Images)')}).
1.504 bisitz 1632: '</span>';
1.500 raeburn 1633: return $output;
1.478 www 1634: }
1635:
1.531.2.26 raeburn 1636: sub setmode_javascript {
1637: return <<"ENDSCRIPT";
1638: <script type="text/javascript">
1639: // <![CDATA[
1640: function setmode(form,probmode) {
1641: var initial = form.problemmode.value;
1642: form.problemmode.value = probmode;
1643: form.submit();
1644: form.problemmode.value = initial;
1645: }
1646: // ]]>
1647: </script>
1648: ENDSCRIPT
1649: }
1650:
1.151 albertel 1651: sub inserteditinfo {
1.531.2.11 raeburn 1652: my ($filecontents,$filetype,$filename,$symb,$itemtitle,$folderpath,$uri,$action) = @_;
1.314 albertel 1653: $filecontents = &HTML::Entities::encode($filecontents,'<>&"');
1.274 albertel 1654: my $xml_help = '';
1.321 www 1655: my $initialize='';
1.452 albertel 1656: my $textarea_id = 'filecont';
1.531.2.16 raeburn 1657: my ($dragmath_button,$deps_button,$context,$cnum,$cdom,$add_to_onload,
1658: $add_to_onresize,$init_dragmath);
1.456 albertel 1659: $initialize=&Apache::lonhtmlcommon::spellheader();
1.531.2.16 raeburn 1660: if ($filetype eq 'html') {
1661: if ($env{'request.course.id'}) {
1662: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1663: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1664: if ($uri =~ m{^\Q/uploaded/$cdom/$cnum/portfolio/syllabus/\E}) {
1665: $context = 'syllabus';
1666: }
1667: }
1668: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1669: my $lang = &Apache::lonhtmlcommon::htmlarea_lang();
1670: my %textarea_args = (
1671: fullpage => 'true',
1672: dragmath => 'math',
1673: );
1674: $initialize .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
1675: if ($context eq 'syllabus') {
1676: $init_dragmath = "editmath_visibility('filecont','none')";
1677: }
1678: }
1.514 raeburn 1679: }
1680: $initialize .= (<<FULLPAGE);
1.321 www 1681: <script type="text/javascript">
1.514 raeburn 1682: // <![CDATA[
1.321 www 1683: function initDocument() {
1.463 albertel 1684: resize_textarea('$textarea_id','LC_aftertextarea');
1.531.2.16 raeburn 1685: $init_dragmath
1.321 www 1686: }
1.514 raeburn 1687: // ]]>
1.321 www 1688: </script>
1689: FULLPAGE
1.531.2.8 raeburn 1690: my $textareaclass;
1.514 raeburn 1691: if ($filetype eq 'html') {
1.531.2.16 raeburn 1692: if ($context eq 'syllabus') {
1693: $deps_button = &Apache::lonhtmlcommon::dependencies_button()."\n";
1694: $initialize .=
1695: &Apache::lonhtmlcommon::dependencycheck_js(undef,&mt('Syllabus'),
1696: $uri,undef,
1697: "/public/$cdom/$cnum/syllabus").
1698: "\n";
1699: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1700: $textareaclass = 'class="LC_richDefaultOn"';
1.531.2.7 raeburn 1701: }
1.531.2.16 raeburn 1702: } elsif ($symb || $folderpath) {
1703: $deps_button = &Apache::lonhtmlcommon::dependencies_button()."\n";
1704: $initialize .=
1705: &Apache::lonhtmlcommon::dependencycheck_js($symb,$itemtitle,
1706: undef,$folderpath,$uri)."\n";
1.530 raeburn 1707: }
1.514 raeburn 1708: $dragmath_button = '<span id="math_filecont">'.&Apache::lonhtmlcommon::dragmath_button('filecont',1).'</span>';
1709: $initialize .= "\n".&Apache::lonhtmlcommon::dragmath_js('EditMathPopup');
1.512 raeburn 1710: }
1.456 albertel 1711: $add_to_onload = 'initDocument();';
1712: $add_to_onresize = "resize_textarea('$textarea_id','LC_aftertextarea');";
1713:
1714: if ($filetype eq 'html') {
1.531.2.15 raeburn 1715: my $not_author;
1716: if ($uri =~ m{^/uploaded/}) {
1717: $not_author = 1;
1718: }
1719: $xml_help=&Apache::loncommon::helpLatexCheatsheet(undef,undef,$not_author);
1.274 albertel 1720: }
1.452 albertel 1721:
1.254 albertel 1722: my $titledisplay=&display_title();
1.426 banghart 1723: my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit',
1724: 'vi' => 'Save and View',
1.427 banghart 1725: 'dv' => 'Discard Edits and View',
1.531.2.27! raeburn 1726: 'un' => 'Undo',
1.280 www 1727: 'ed' => 'Edit');
1.512 raeburn 1728: my $spelllink = &Apache::lonhtmlcommon::spelllink('xmledit','filecont');
1.451 albertel 1729: my $textarea_events = &Apache::edit::element_change_detection();
1730: my $form_events = &Apache::edit::form_change_detection();
1.491 raeburn 1731: my $htmlerror;
1732: if ($filetype eq 'html') {
1733: $htmlerror=&verify_html($filecontents);
1734: if ($htmlerror) {
1.531.2.25 raeburn 1735: $htmlerror=(' 'x3).' <span class="LC_error">'.$htmlerror.'</span>';
1.491 raeburn 1736: }
1.501 raeburn 1737: if (&Apache::lonhtmlcommon::htmlareabrowser()) {
1.531.2.8 raeburn 1738: unless ($textareaclass) {
1739: $textareaclass = 'class="LC_richDefaultOff"';
1740: }
1.501 raeburn 1741: }
1.472 www 1742: }
1.531.2.25 raeburn 1743: my ($undo,%onclick);
1744: foreach my $item ('discard','undo') {
1745: $onclick{$item} = 'onclick="still_ask=true;setmode(this.form,'."'$item'".')"';
1746: }
1747: foreach my $item ('saveedit','saveview') {
1748: $onclick{$item} = 'onclick="is_submit=true;setmode(this.form,'."'$item'".')"';
1749: }
1.531.2.15 raeburn 1750: unless ($uri =~ m{^/uploaded/}) {
1.531.2.27! raeburn 1751: $undo = '<input type="button" name="undo" accesskey="u" value="'.$lt{'un'}.'" '.
1.531.2.25 raeburn 1752: $onclick{'undo'}.' />'."\n";
1.531.2.15 raeburn 1753: }
1.531.2.25 raeburn 1754: $initialize .= &setmode_javascript();
1.78 www 1755: my $editfooter=(<<ENDFOOTER);
1.321 www 1756: $initialize
1.78 www 1757: <a name="editsection" />
1.531.2.11 raeburn 1758: <form $form_events method="post" name="xmledit" action="$action">
1.531.2.25 raeburn 1759: <input type="hidden" name="problemmode" value="edit" />
1.470 albertel 1760: <div class="LC_edit_problem_editxml_header">
1761: <table class="LC_edit_problem_header_title"><tr><td>
1762: $filename
1763: </td><td align="right">
1764: $xml_help
1765: </td></tr>
1766: </table>
1.531.2.22 raeburn 1767: <div style="float:right">
1.531.2.25 raeburn 1768: <input type="button" name="savethisfile" accesskey="s" value="$lt{'st'}" $onclick{'saveedit'} />
1769: <input type="button" name="viewmode" accesskey="v" value="$lt{'vi'}" $onclick{'saveview'} />
1770: </div>
1771: <div>
1772: <input type="button" name="discardview" accesskey="d" value="$lt{'dv'}" $onclick{'discard'} />
1773: $undo $deps_button $dragmath_button $htmlerror
1.470 albertel 1774: </div>
1775: </div>
1.513 raeburn 1776: <textarea $textarea_events style="width:100%" cols="80" rows="44" name="filecont" id="filecont" $textareaclass>$filecontents</textarea><br />$spelllink
1.470 albertel 1777: <div id="LC_aftertextarea">
1778: <br />
1779: $titledisplay
1780: </div>
1.78 www 1781: </form>
1782: ENDFOOTER
1.531.2.25 raeburn 1783: return ($editfooter,$add_to_onload,$add_to_onresize);
1.78 www 1784: }
1785:
1.152 albertel 1786: sub get_target {
1.372 albertel 1787: my $viewgrades=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
1788: if ( $env{'request.state'} eq 'published') {
1789: if ( defined($env{'form.grade_target'})
1.152 albertel 1790: && ($viewgrades == 'F' )) {
1.372 albertel 1791: return ($env{'form.grade_target'});
1792: } elsif (defined($env{'form.grade_target'})) {
1793: if (($env{'form.grade_target'} eq 'web') ||
1794: ($env{'form.grade_target'} eq 'tex') ) {
1795: return $env{'form.grade_target'}
1.153 albertel 1796: } else {
1797: return 'web';
1798: }
1.152 albertel 1799: } else {
1800: return 'web';
1801: }
1.372 albertel 1802: } elsif ($env{'request.state'} eq 'construct') {
1803: if ( defined($env{'form.grade_target'})) {
1804: return ($env{'form.grade_target'});
1.152 albertel 1805: } else {
1806: return 'web';
1807: }
1808: } else {
1809: return 'web';
1810: }
1811: }
1812:
1.24 sakharuk 1813: sub handler {
1.255 sakharuk 1814: my $request=shift;
1.493 raeburn 1815:
1.255 sakharuk 1816: my $target=&get_target();
1.372 albertel 1817: $Apache::lonxml::debug=$env{'user.debug'};
1.255 sakharuk 1818:
1.364 albertel 1819: &Apache::loncommon::content_type($request,'text/html');
1.255 sakharuk 1820: &Apache::loncommon::no_cache($request);
1.372 albertel 1821: if ($env{'request.state'} eq 'published') {
1.363 albertel 1822: $request->set_last_modified(&Apache::lonnet::metadata($request->uri,
1823: 'lastrevisiondate'));
1824: }
1.499 raeburn 1825: # Embedded Flash movies from Camtasia served from https will not display in IE
1826: # if XML config file has expired from cache.
1827: if ($ENV{'SERVER_PORT'} == 443) {
1828: if ($request->uri =~ /\.xml$/) {
1829: my ($httpbrowser,$clientbrowser) =
1830: &Apache::loncommon::decode_user_agent($request);
1831: if ($clientbrowser =~ /^explorer$/i) {
1832: delete $request->headers_out->{'Cache-control'};
1833: delete $request->headers_out->{'Pragma'};
1834: my $expiration = time + 60;
1835: my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime($expiration));
1836: $request->headers_out->set("Expires" => $date);
1837: }
1838: }
1839: }
1.255 sakharuk 1840: $request->send_http_header;
1841:
1842: return OK if $request->header_only;
1.68 www 1843:
1844:
1.255 sakharuk 1845: my $file=&Apache::lonnet::filelocation("",$request->uri);
1.502 raeburn 1846: my ($filetype,$breadcrumbtext);
1847: if ($file =~ /\.(sty|css|js|txt|tex)$/) {
1.493 raeburn 1848: $filetype=$1;
1.274 albertel 1849: } else {
1850: $filetype='html';
1851: }
1.531.2.5 raeburn 1852: unless ($env{'request.uri'}) {
1853: $env{'request.uri'}=$request->uri;
1854: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1855: ['todocs']);
1856: }
1.531.2.8 raeburn 1857: my ($cdom,$cnum);
1858: if ($env{'request.course.id'}) {
1859: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
1860: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1861: if ($filetype eq 'html') {
1862: if ($request->uri =~ m{^\Q/uploaded/$cdom/$cnum/portfolio/syllabus/\E.+$}) {
1863: if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
1864: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1865: ['editmode']);
1866: }
1867: }
1868: }
1869: }
1.502 raeburn 1870: if ($filetype eq 'sty') {
1871: $breadcrumbtext = 'Style File Editor';
1872: } elsif ($filetype eq 'js') {
1873: $breadcrumbtext = 'Javascript Editor';
1874: } elsif ($filetype eq 'css') {
1875: $breadcrumbtext = 'CSS Editor';
1876: } elsif ($filetype eq 'txt') {
1877: $breadcrumbtext = 'Text Editor';
1878: } elsif ($filetype eq 'tex') {
1879: $breadcrumbtext = 'TeX Editor';
1880: } else {
1881: $breadcrumbtext = 'HTML Editor';
1882: }
1.493 raeburn 1883:
1.78 www 1884: #
1885: # Edit action? Save file.
1886: #
1.428 banghart 1887: if (!($env{'request.state'} eq 'published')) {
1.531.2.25 raeburn 1888: if (($env{'form.problemmode'} eq 'saveedit') ||
1889: ($env{'form.problemmode'} eq 'saveview') ||
1890: ($env{'form.problemmode'} eq 'undo')) {
1.429 albertel 1891: my $html_file=&Apache::lonnet::getfile($file);
1892: my $error = &Apache::lonhomework::handle_save_or_undo($request, \$html_file, \$env{'form.filecont'});
1.531.2.25 raeburn 1893: if ($env{'form.problemmode'} eq 'saveedit') {
1894: $env{'form.editmode'}='edit'; #force edit mode
1.472 www 1895: }
1.255 sakharuk 1896: }
1897: }
1.531.2.17 raeburn 1898: my $inhibit_menu;
1.255 sakharuk 1899: my %mystyle;
1900: my $result = '';
1901: my $filecontents=&Apache::lonnet::getfile($file);
1902: if ($filecontents eq -1) {
1.402 albertel 1903: my $start_page=&Apache::loncommon::start_page('File Error');
1.412 albertel 1904: my $end_page=&Apache::loncommon::end_page();
1.495 bisitz 1905: my $errormsg='<p class="LC_error">'
1906: .&mt('File not found: [_1]'
1907: ,'<span class="LC_filename">'.$file.'</span>')
1908: .'</p>';
1.255 sakharuk 1909: $result=(<<ENDNOTFOUND);
1.402 albertel 1910: $start_page
1.495 bisitz 1911: $errormsg
1.402 albertel 1912: $end_page
1.78 www 1913: ENDNOTFOUND
1.343 albertel 1914: $filecontents='';
1.372 albertel 1915: if ($env{'request.state'} ne 'published') {
1.274 albertel 1916: if ($filetype eq 'sty') {
1917: $filecontents=&createnewsty();
1.493 raeburn 1918: } elsif ($filetype eq 'js') {
1919: $filecontents=&createnewjs();
1.502 raeburn 1920: } elsif ($filetype ne 'css' && $filetype ne 'txt' && $filetype ne 'tex') {
1.274 albertel 1921: $filecontents=&createnewhtml();
1922: }
1.531.2.25 raeburn 1923: $env{'form.editmode'}='edit'; #force edit mode
1.255 sakharuk 1924: }
1925: } else {
1.372 albertel 1926: unless ($env{'request.state'} eq 'published') {
1.343 albertel 1927: if ($filecontents=~/BEGIN LON-CAPA Internal/) {
1.381 www 1928: &Apache::lonxml::error(&mt('This file appears to be a rendering of a LON-CAPA resource. If this is correct, this resource will act very oddly and incorrectly.'));
1.343 albertel 1929: }
1.264 www 1930: #
1931: # we are in construction space, see if edit mode forced
1.385 albertel 1932: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1933: ['editmode']);
1.255 sakharuk 1934: }
1.531.2.25 raeburn 1935: if ((!$env{'form.editmode'}) ||
1936: ($env{'form.problemmode'} eq 'saveview') ||
1937: ($env{'form.problemmode'} eq 'discard')) {
1.493 raeburn 1938: if ($filetype eq 'html' || $filetype eq 'sty') {
1939: &Apache::structuretags::reset_problem_globals();
1940: $result = &Apache::lonxml::xmlparse($request,$target,
1941: $filecontents,'',%mystyle);
1.455 albertel 1942: # .html files may contain <problem> or <Task> need to clean
1943: # up if it did
1.493 raeburn 1944: &Apache::structuretags::reset_problem_globals();
1945: &Apache::lonhomework::finished_parsing();
1.502 raeburn 1946: } elsif ($filetype eq 'tex') {
1.503 raeburn 1947: $result = &Apache::lontexconvert::converted(\$filecontents,
1948: $env{'form.texengine'});
1949: if ($env{'form.return_only_error_and_warning_counts'}) {
1950: $result = "$errorcount:$warningcount";
1951: }
1.493 raeburn 1952: } else {
1953: $result = $filecontents;
1954: }
1.385 albertel 1955: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1956: ['rawmode']);
1.395 albertel 1957: if ($env{'form.rawmode'}) { $result = $filecontents; }
1.531.2.17 raeburn 1958: if (($env{'request.state'} eq 'construct') &&
1959: (($filetype eq 'css') || ($filetype eq 'js')) && ($ENV{'HTTP_REFERER'})) {
1960: if ($ENV{'HTTP_REFERER'} =~ m{^https?\://[^\/]+/priv/$LONCAPA::match_domain/$LONCAPA::match_username/[^\?]+\.(x?html?|swf)(|\?)[^\?]*$}) {
1961: $inhibit_menu = 1;
1962: }
1963: }
1.503 raeburn 1964: if (($filetype ne 'html') &&
1.531.2.17 raeburn 1965: (!$env{'form.return_only_error_and_warning_counts'}) &&
1966: (!$inhibit_menu)) {
1.502 raeburn 1967: my $nochgview = 1;
1.495 bisitz 1968: my $controls = '';
1969: if ($env{'request.state'} eq 'construct') {
1970: $controls = &Apache::loncommon::head_subbox(
1971: &Apache::loncommon::CSTR_pageheader()
1972: .&Apache::londefdef::edit_controls($nochgview));
1973: }
1.502 raeburn 1974: if ($filetype ne 'sty' && $filetype ne 'tex') {
1.493 raeburn 1975: $result =~ s/</</g;
1976: $result =~ s/>/>/g;
1977: $result = '<table class="LC_sty_begin">'.
1978: '<tr><td><b><pre>'.$result.
1979: '</pre></b></td></tr></table>';
1980: }
1.506 droeschl 1981: my $brcrum;
1982: if ($env{'request.state'} eq 'construct') {
1.523 raeburn 1983: $brcrum = [{'href' => &Apache::loncommon::authorspace($request->uri),
1.531.2.9 raeburn 1984: 'text' => 'Authoring Space'},
1.506 droeschl 1985: {'href' => '',
1986: 'text' => $breadcrumbtext}];
1.493 raeburn 1987: } else {
1.506 droeschl 1988: $brcrum = ''; # FIXME: Where are we?
1.493 raeburn 1989: }
1.506 droeschl 1990: my %options = ('bread_crumbs' => $brcrum,
1991: 'bgcolor' => '#FFFFFF');
1992: $result =
1993: &Apache::loncommon::start_page(undef,undef,\%options)
1994: .$controls
1995: .$result
1996: .&Apache::loncommon::end_page();
1.493 raeburn 1997: }
1.495 bisitz 1998: }
1.147 albertel 1999: }
1.456 albertel 2000:
1.78 www 2001: #
2002: # Edit action? Insert editing commands
2003: #
1.531.2.17 raeburn 2004: unless (($env{'request.state'} eq 'published') || ($inhibit_menu)) {
1.531.2.25 raeburn 2005: if (($env{'form.editmode'}) &&
2006: (!($env{'form.problemmode'} eq 'saveview')) &&
2007: (!($env{'form.problemmode'} eq 'discard'))) {
1.531.2.11 raeburn 2008: my ($displayfile,$url,$symb,$itemtitle,$action);
1.530 raeburn 2009: $displayfile=$request->uri;
2010: if ($request->uri =~ m{^/uploaded/}) {
1.531.2.5 raeburn 2011: if ($env{'request.course.id'}) {
1.531.2.7 raeburn 2012: if ($request->uri =~ m{^\Q/uploaded/$cdom/$cnum/supplemental/\E}) {
1.531.2.5 raeburn 2013: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2014: ['folderpath','title']);
1.531.2.7 raeburn 2015: } elsif ($request->uri =~ m{^\Q/uploaded/$cdom/$cnum/portfolio/syllabus/\E(.+)$}) {
1.531.2.8 raeburn 2016: my $filename = $1;
2017: if ($1 eq 'loncapa.html') {
2018: $displayfile = &mt('Syllabus (minimal template)');
1.531.2.11 raeburn 2019: $action = $request->uri.'?forceedit=1';
1.531.2.8 raeburn 2020: } else {
2021: $displayfile = &mt('Syllabus file: [_1]',$1);
2022: }
1.531.2.7 raeburn 2023: $itemtitle = &mt('Syllabus');
1.531.2.5 raeburn 2024: }
2025: }
1.531.2.7 raeburn 2026: unless ($itemtitle) {
2027: ($symb,$itemtitle,$displayfile) =
2028: &get_courseupload_hierarchy($request->uri,
2029: $env{'form.folderpath'},
2030: $env{'form.title'});
2031: }
1.529 raeburn 2032: } else {
2033: $displayfile=~s/^\/[^\/]*//;
2034: }
1.470 albertel 2035:
1.452 albertel 2036: my ($edit_info, $add_to_onload, $add_to_onresize)=
1.531.2.5 raeburn 2037: &inserteditinfo($filecontents,$filetype,$displayfile,$symb,
1.531.2.11 raeburn 2038: $itemtitle,$env{'form.folderpath'},$request->uri,$action);
1.450 albertel 2039:
2040: my %options =
2041: ('add_entries' =>
1.495 bisitz 2042: {'onresize' => $add_to_onresize,
2043: 'onload' => $add_to_onload, });
1.500 raeburn 2044: my $header;
2045: if ($env{'request.state'} eq 'construct') {
2046: $options{'bread_crumbs'} = [{
1.523 raeburn 2047: 'href' => &Apache::loncommon::authorspace($request->uri),
1.531.2.9 raeburn 2048: 'text' => 'Authoring Space'},
1.500 raeburn 2049: {'href' => '',
1.502 raeburn 2050: 'text' => $breadcrumbtext}];
1.500 raeburn 2051: $header = &Apache::loncommon::head_subbox(
2052: &Apache::loncommon::CSTR_pageheader());
2053: }
1.452 albertel 2054: my $js =
2055: &Apache::edit::js_change_detection().
2056: &Apache::loncommon::resize_textarea_js();
1.451 albertel 2057: my $start_page = &Apache::loncommon::start_page(undef,$js,
1.402 albertel 2058: \%options);
1.495 bisitz 2059: $result = $start_page
1.500 raeburn 2060: .$header
1.495 bisitz 2061: .&Apache::lonxml::message_location()
2062: .$edit_info
2063: .&Apache::loncommon::end_page();
1.493 raeburn 2064: }
1.147 albertel 2065: }
1.402 albertel 2066: if ($filetype eq 'html') { &writeallows($request->uri); }
1.501 raeburn 2067:
1.309 albertel 2068: &Apache::lonxml::add_messages(\$result);
1.255 sakharuk 2069: $request->print($result);
2070:
2071: return OK;
1.253 albertel 2072: }
2073:
2074: sub display_title {
2075: my $result;
1.372 albertel 2076: if ($env{'request.state'} eq 'construct') {
1.253 albertel 2077: my $title=&Apache::lonnet::gettitle();
2078: if (!defined($title) || $title eq '') {
1.372 albertel 2079: $title = $env{'request.filename'};
1.253 albertel 2080: $title = substr($title, rindex($title, '/') + 1);
2081: }
1.476 bisitz 2082: $result = "<script type='text/javascript'>top.document.title = '$title - LON-CAPA "
1.531.2.9 raeburn 2083: .&mt('Authoring Space')."';</script>";
1.253 albertel 2084: }
2085: return $result;
1.24 sakharuk 2086: }
1.147 albertel 2087:
1.530 raeburn 2088: sub get_courseupload_hierarchy {
1.531.2.5 raeburn 2089: my ($url,$folderpath,$title) = @_;
1.530 raeburn 2090: my ($symb,$itemtitle,$displaypath);
2091: if ($env{'request.course.id'}) {
1.531.2.5 raeburn 2092: if ($folderpath =~ /^supplemental/) {
2093: my @folders = split(/\&/,$folderpath);
2094: my @pathitems;
2095: while (@folders) {
2096: my $folder=shift(@folders);
2097: my $foldername=shift(@folders);
1.531.2.6 raeburn 2098: $foldername =~ s/\:(\d*)\:(\w*)\:(\w*):(\d*)\:?(\d*)$//;
1.531.2.5 raeburn 2099: push(@pathitems,&unescape($foldername));
2100: }
2101: if ($title) {
2102: push(@pathitems,&unescape($title));
2103: }
2104: $displaypath = join(' » ',@pathitems);
2105: } else {
2106: $symb = &Apache::lonnet::symbread($url);
2107: my ($map,$id,$res)=&Apache::lonnet::decode_symb($symb);
2108: my $navmap=Apache::lonnavmaps::navmap->new;
2109: if (ref($navmap)) {
2110: my $res = $navmap->getBySymb($symb);
2111: if (ref($res)) {
2112: my @pathitems =
2113: &Apache::loncommon::get_folder_hierarchy($navmap,$map,1);
2114: $itemtitle = $res->compTitle();
2115: push(@pathitems,$itemtitle);
2116: $displaypath = join(' » ',@pathitems);
2117: }
1.530 raeburn 2118: }
2119: }
2120: }
2121: return ($symb,$itemtitle,$displaypath);
2122: }
2123:
1.22 albertel 2124: sub debug {
1.298 albertel 2125: if ($Apache::lonxml::debug eq "1") {
2126: $|=1;
1.300 albertel 2127: my $request=$Apache::lonxml::request;
1.388 albertel 2128: if (!$request) {
2129: eval { $request=Apache->request; };
2130: }
2131: if (!$request) {
2132: eval { $request=Apache2::RequestUtil->request; };
2133: }
1.314 albertel 2134: $request->print('<font size="-2"><pre>DEBUG:'.&HTML::Entities::encode($_[0],'<>&"')."</pre></font>\n");
1.346 albertel 2135: #&Apache::lonnet::logthis($_[0]);
1.298 albertel 2136: }
1.22 albertel 2137: }
1.49 albertel 2138:
1.348 albertel 2139: sub show_error_warn_msg {
1.522 raeburn 2140: if (($env{'request.filename'} eq
2141: $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/lib/templates/simpleproblem.problem') &&
2142: (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
1.351 albertel 2143: return 1;
2144: }
1.348 albertel 2145: return (($Apache::lonxml::debug eq 1) ||
1.372 albertel 2146: ($env{'request.state'} eq 'construct') ||
1.348 albertel 2147: ($Apache::lonhomework::browse eq 'F'
2148: &&
1.372 albertel 2149: $env{'form.show_errors'} eq 'on'));
1.348 albertel 2150: }
2151:
1.22 albertel 2152: sub error {
1.454 albertel 2153: my @errors = @_;
2154:
1.336 albertel 2155: $errorcount++;
1.454 albertel 2156:
1.490 www 2157: $Apache::lonxml::internal_error=1;
2158:
1.454 albertel 2159: if (defined($Apache::inputtags::part)) {
2160: if ( @Apache::inputtags::response ) {
2161: push(@errors,
2162: &mt("This error occurred while processing response [_1] in part [_2]",
2163: $Apache::inputtags::response[-1],
2164: $Apache::inputtags::part));
2165: } else {
2166: push(@errors,
2167: &mt("This error occurred while processing part [_1]",
2168: $Apache::inputtags::part));
2169: }
2170: }
2171:
1.348 albertel 2172: if ( &show_error_warn_msg() ) {
1.336 albertel 2173: # If printing in construction space, put the error inside <pre></pre>
2174: push(@Apache::lonxml::error_messages,
1.484 bisitz 2175: $Apache::lonxml::warnings_error_header
2176: .'<div class="LC_error">'
2177: .'<b>'.&mt('ERROR:').' </b>'.join("<br />\n",@errors)
2178: ."</div>\n");
1.336 albertel 2179: $Apache::lonxml::warnings_error_header='';
2180: } else {
2181: my $errormsg;
2182: my ($symb)=&Apache::lonnet::symbread();
2183: if ( !$symb ) {
2184: #public or browsers
1.486 bisitz 2185: $errormsg=&mt("An error occurred while processing this resource. The author has been notified.");
1.403 albertel 2186: }
1.413 albertel 2187: my $host=$Apache::lonnet::perlvar{'lonHostID'};
1.476 bisitz 2188: push(@errors,
2189: &mt("The error occurred on host [_1]",
2190: "<tt>$host</tt>"));
1.454 albertel 2191:
2192: my $msg = join('<br />', @errors);
2193:
1.336 albertel 2194: #notify author
1.403 albertel 2195: &Apache::lonmsg::author_res_msg($env{'request.filename'},$msg);
1.336 albertel 2196: #notify course
1.372 albertel 2197: if ( $symb && $env{'request.course.id'} ) {
1.380 www 2198: my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
2199: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.440 albertel 2200: my (undef,%users)=&Apache::lonmsg::decide_receiver(undef,0,1,1,1);
1.372 albertel 2201: my $declutter=&Apache::lonnet::declutter($env{'request.filename'});
1.435 raeburn 2202: my $baseurl = &Apache::lonnet::clutter($declutter);
1.336 albertel 2203: my @userlist;
1.531.2.18 raeburn 2204: foreach (keys(%users)) {
1.336 albertel 2205: my ($user,$domain) = split(/:/, $_);
1.531 bisitz 2206: push(@userlist,"$user:$domain");
1.380 www 2207: my $key=$declutter.'_'.$user.'_'.$domain;
2208: my %lastnotified=&Apache::lonnet::get('nohist_xmlerrornotifications',
2209: [$key],
2210: $cdom,$cnum);
2211: my $now=time;
2212: if ($now-$lastnotified{$key}>86400) {
1.434 raeburn 2213: my $title = &Apache::lonnet::gettitle($symb);
2214: my $sentmessage;
1.380 www 2215: &Apache::lonmsg::user_normal_msg($user,$domain,
1.435 raeburn 2216: "Error [$title]",$msg,'',$baseurl,'','',
1.434 raeburn 2217: \$sentmessage,$symb,$title,1);
1.380 www 2218: &Apache::lonnet::put('nohist_xmlerrornotifications',
2219: {$key => $now},
2220: $cdom,$cnum);
2221: }
1.336 albertel 2222: }
1.372 albertel 2223: if ($env{'request.role.adv'}) {
1.486 bisitz 2224: $errormsg=&mt("An error occurred while processing this resource. The course personnel ([_1]) and the author have been notified.",join(', ',@userlist));
1.336 albertel 2225: } else {
1.486 bisitz 2226: $errormsg=&mt("An error occurred while processing this resource. The instructor has been notified.");
1.336 albertel 2227: }
2228: }
1.531 bisitz 2229: push(@Apache::lonxml::error_messages,"<span class=\"LC_warning\">$errormsg</span><br />");
1.52 albertel 2230: }
1.22 albertel 2231: }
1.49 albertel 2232:
1.22 albertel 2233: sub warning {
1.295 albertel 2234: $warningcount++;
1.261 albertel 2235:
1.372 albertel 2236: if ($env{'form.grade_target'} ne 'tex') {
1.348 albertel 2237: if ( &show_error_warn_msg() ) {
1.309 albertel 2238: push(@Apache::lonxml::warning_messages,
1.484 bisitz 2239: $Apache::lonxml::warnings_error_header
2240: .'<div class="LC_warning">'
2241: .&mt('[_1]W[_2]ARNING','<b>','</b>')."<b>:</b> ".join('<br />',@_)
2242: ."</div>\n"
1.482 bisitz 2243: );
1.295 albertel 2244: $Apache::lonxml::warnings_error_header='';
2245: }
2246: }
1.309 albertel 2247: }
2248:
2249: sub info {
1.372 albertel 2250: if ($env{'form.grade_target'} ne 'tex'
2251: && $env{'request.state'} eq 'construct') {
1.309 albertel 2252: push(@Apache::lonxml::info_messages,join('<br />',@_)."<br />\n");
2253: }
2254: }
2255:
2256: sub message_location {
2257: return '__LONCAPA_INTERNAL_MESSAGE_LOCATION__';
2258: }
2259:
2260: sub add_messages {
2261: my ($msg)=@_;
2262: my $result=join(' ',
2263: @Apache::lonxml::info_messages,
2264: @Apache::lonxml::error_messages,
2265: @Apache::lonxml::warning_messages);
2266: undef(@Apache::lonxml::info_messages);
2267: undef(@Apache::lonxml::error_messages);
2268: undef(@Apache::lonxml::warning_messages);
2269: $$msg=~s/__LONCAPA_INTERNAL_MESSAGE_LOCATION__/$result/;
2270: $$msg=~s/__LONCAPA_INTERNAL_MESSAGE_LOCATION__//g;
1.83 albertel 2271: }
2272:
2273: sub get_param {
1.531.2.5 raeburn 2274: my ($param,$parstack,$safeeval,$context,$case_insensitive, $noelide) = @_;
1.213 albertel 2275: if ( ! $context ) { $context = -1; }
2276: my $args ='';
2277: if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
1.297 sakharuk 2278: if ( ! $Apache::lonxml::usestyle ) {
2279: $args=$Apache::lonxml::style_values.$args;
2280: }
1.531.2.5 raeburn 2281:
2282: if ($noelide) {
2283: $args =~ s/'\$/'\\\$/g;
2284: }
2285:
1.213 albertel 2286: if ( ! $args ) { return undef; }
2287: if ( $case_insensitive ) {
1.417 albertel 2288: if ($args =~ s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei) {
1.213 albertel 2289: return &Apache::run::run("{$args;".'return $'.$param.'}',
2290: $safeeval); #'
2291: } else {
2292: return undef;
2293: }
2294: } else {
1.417 albertel 2295: if ( $args =~ /my .*\$\Q$param\E[,\)]/ ) {
1.213 albertel 2296: return &Apache::run::run("{$args;".'return $'.$param.'}',
2297: $safeeval); #'
2298: } else {
2299: return undef;
2300: }
2301: }
1.22 albertel 2302: }
2303:
1.132 albertel 2304: sub get_param_var {
1.213 albertel 2305: my ($param,$parstack,$safeeval,$context,$case_insensitive) = @_;
1.132 albertel 2306: if ( ! $context ) { $context = -1; }
2307: my $args ='';
2308: if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
1.297 sakharuk 2309: if ( ! $Apache::lonxml::usestyle ) {
2310: $args=$Apache::lonxml::style_values.$args;
2311: }
1.230 albertel 2312: &Apache::lonxml::debug("Args are $args param is $param");
1.213 albertel 2313: if ($case_insensitive) {
1.419 albertel 2314: if (! ($args=~s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei)) {
1.213 albertel 2315: return undef;
2316: }
1.419 albertel 2317: } elsif ( $args !~ /my .*\$\Q$param\E[,\)]/ ) { return undef; }
1.132 albertel 2318: my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'
1.230 albertel 2319: &Apache::lonxml::debug("first run is $value");
1.341 albertel 2320: if ($value =~ /^[\$\@\%][a-zA-Z_]\w*$/) {
1.230 albertel 2321: &Apache::lonxml::debug("doing second");
2322: my @result=&Apache::run::run("return $value",$safeeval,1);
2323: if (!defined($result[0])) {
2324: return $value
2325: } else {
2326: if (wantarray) { return @result; } else { return $result[0]; }
2327: }
1.132 albertel 2328: } else {
2329: return $value;
2330: }
2331: }
2332:
1.438 albertel 2333: sub register_insert_xml {
2334: my $parser = HTML::LCParser->new($Apache::lonnet::perlvar{'lonTabDir'}
2335: .'/insertlist.xml');
2336: my ($tagnum,$in_help)=(0,0);
1.442 albertel 2337: my @alltags;
1.438 albertel 2338: my $tag;
2339: while (my $token = $parser->get_token()) {
2340: if ($token->[0] eq 'S') {
2341: my $key;
1.525 raeburn 2342: if ($token->[1] eq 'tag') {
1.438 albertel 2343: $tag = $token->[2]{'name'};
1.525 raeburn 2344: if (defined($tag)) {
2345: $insertlist{$tagnum.'.tag'} = $tag;
2346: $insertlist{$tag.'.num'} = $tagnum;
2347: push(@alltags,$tag);
2348: }
1.438 albertel 2349: } elsif ($in_help && $token->[1] eq 'file') {
2350: $key = $tag.'.helpfile';
2351: } elsif ($in_help && $token->[1] eq 'description') {
2352: $key = $tag.'.helpdesc';
2353: } elsif ($token->[1] eq 'description' ||
2354: $token->[1] eq 'color' ||
2355: $token->[1] eq 'show' ) {
2356: $key = $tag.'.'.$token->[1];
2357: } elsif ($token->[1] eq 'insert_sub') {
2358: $key = $tag.'.function';
2359: } elsif ($token->[1] eq 'help') {
2360: $in_help=1;
2361: } elsif ($token->[1] eq 'allow') {
1.442 albertel 2362: $key = $tag.'.allow';
1.438 albertel 2363: }
2364: if (defined($key)) {
2365: $insertlist{$key} = $parser->get_text();
2366: $insertlist{$key} =~ s/(^\s*|\s*$ )//gx;
2367: }
2368: } elsif ($token->[0] eq 'E') {
2369: if ($token->[1] eq 'tag') {
2370: undef($tag);
2371: $tagnum++;
2372: } elsif ($token->[1] eq 'help') {
2373: undef($in_help);
2374: }
2375: }
2376: }
1.442 albertel 2377:
2378: # parse the allows and ignore tags set to <show>no</show>
2379: foreach my $tag (@alltags) {
1.519 raeburn 2380: next if (!exists($insertlist{$tag.'.allow'}));
2381: my $allow = $insertlist{$tag.'.allow'};
1.442 albertel 2382: foreach my $element (split(',',$allow)) {
2383: $element =~ s/(^\s*|\s*$ )//gx;
1.519 raeburn 2384: if (!exists($insertlist{$element.'.show'})
2385: || $insertlist{$element.'.show'} ne 'no') {
1.442 albertel 2386: push(@{ $insertlist{$tag.'.which'} },$element);
2387: }
2388: }
2389: }
1.438 albertel 2390: }
2391:
2392: sub register_insert {
2393: return ®ister_insert_xml(@_);
2394: # &dump_insertlist('2');
2395: }
2396:
2397: sub dump_insertlist {
2398: my ($ext) = @_;
1.531.2.24 raeburn 2399: open(XML,">","/tmp/insertlist.xml.$ext");
1.438 albertel 2400: print XML ("<insertlist>");
2401: my $i=0;
2402:
2403: while (exists($insertlist{"$i.tag"})) {
2404: my $tag = $insertlist{"$i.tag"};
2405: print XML ("
2406: \t<tag name=\"$tag\">");
2407: if (defined($insertlist{"$tag.description"})) {
2408: print XML ("
2409: \t\t<description>".$insertlist{"$tag.description"}."</description>");
2410: }
2411: if (defined($insertlist{"$tag.color"})) {
2412: print XML ("
2413: \t\t<color>".$insertlist{"$tag.color"}."</color>");
2414: }
2415: if (defined($insertlist{"$tag.function"})) {
2416: print XML ("
2417: \t\t<insert_sub>".$insertlist{"$tag.function"}."</insert_sub>");
2418: }
2419: if (defined($insertlist{"$tag.show"})
2420: && $insertlist{"$tag.show"} ne 'yes') {
2421: print XML ("
2422: \t\t<show>".$insertlist{"$tag.show"}."</show>");
2423: }
2424: if (defined($insertlist{"$tag.helpfile"})) {
2425: print XML ("
2426: \t\t<help>
2427: \t\t\t<file>".$insertlist{"$tag.helpfile"}."</file>");
2428: if ($insertlist{"$tag.helpdesc"} ne '') {
2429: print XML ("
2430: \t\t\t<description>".$insertlist{"$tag.helpdesc"}."</description>");
2431: }
2432: print XML ("
2433: \t\t</help>");
2434: }
2435: if (defined($insertlist{"$tag.which"})) {
2436: print XML ("
2437: \t\t<allow>".join(',',sort(@{ $insertlist{"$tag.which"} }))."</allow>");
2438: }
2439: print XML ("
2440: \t</tag>");
2441: $i++;
2442: }
2443: print XML ("\n</insertlist>\n");
2444: close(XML);
2445: }
2446:
1.98 albertel 2447: sub description {
1.437 albertel 2448: my ($token)=@_;
2449: my $tag = &get_tag($token);
2450: return $insertlist{$tag.'.description'};
1.268 bowersj2 2451: }
2452:
2453: # Returns a list containing the help file, and the description
2454: sub helpinfo {
1.437 albertel 2455: my ($token)=@_;
2456: my $tag = &get_tag($token);
1.531.2.13 raeburn 2457: return ($insertlist{$tag.'.helpfile'}, &mt($insertlist{$tag.'.helpdesc'}));
1.437 albertel 2458: }
2459:
2460: sub get_tag {
2461: my ($token)=@_;
2462: my $tagnum;
2463: my $tag=$token->[1];
2464: foreach my $namespace (reverse(@Apache::lonxml::namespace)) {
2465: my $testtag = $namespace.'::'.$tag;
2466: $tagnum = $insertlist{"$testtag.num"};
2467: last if (defined($tagnum));
2468: }
2469: if (!defined($tagnum)) {
2470: $tagnum = $Apache::lonxml::insertlist{"$tag.num"};
2471: }
2472: return $insertlist{"$tagnum.tag"};
1.98 albertel 2473: }
1.123 albertel 2474:
1.485 onken 2475: ############################################################
2476: # PDF-FORM-METHODS
2477:
2478: =pod
2479:
1.508 onken 2480: =item &print_pdf_radiobutton(fieldname, value)
1.485 onken 2481:
1.508 onken 2482: Returns a latexline to generate a PDF-Form-Radiobutton.
2483: Note: Radiobuttons with equal names are automaticly grouped
2484: in a selection-group.
1.485 onken 2485:
1.508 onken 2486: $fieldname: PDF internalname of the radiobutton(group)
2487: $value: Value of radiobutton
1.485 onken 2488:
2489: =cut
2490: sub print_pdf_radiobutton {
1.508 onken 2491: my ($fieldname, $value) = @_;
2492: return '\radioButton[\symbolchoice{circle}]{'
2493: .$fieldname.'}{10bp}{10bp}{'.$value.'}';
1.485 onken 2494: }
2495:
2496:
2497: =pod
2498:
2499: =item &print_pdf_start_combobox(fieldname)
2500:
2501: Starts a latexline to generate a PDF-Form-Combobox with text.
2502:
2503: $fieldname: PDF internal name of the Combobox
2504:
2505: =cut
2506: sub print_pdf_start_combobox {
2507: my $result;
2508: my ($fieldName) = @_;
2509: $result .= '\begin{tabularx}{\textwidth}{p{2.5cm}X}'."\n";
2510: $result .= '\comboBox[]{'.$fieldName.'}{2.3cm}{14bp}{'; #
2511:
2512: return $result;
2513: }
2514:
2515:
2516: =pod
2517:
2518: =item &print_pdf_add_combobox_option(options)
2519:
2520: Generates a latexline to add Options to a PDF-Form-ComboBox.
2521:
2522: $option: PDF internal name of the Combobox-Option
2523:
2524: =cut
2525: sub print_pdf_add_combobox_option {
2526:
2527: my $result;
2528: my ($option) = @_;
2529:
2530: $result .= '('.$option.')';
2531:
2532: return $result;
2533: }
2534:
2535:
2536: =pod
2537:
2538: =item &print_pdf_end_combobox(text) {
2539:
2540: Returns latexcode to end a PDF-Form-Combobox with text.
2541:
2542: =cut
2543: sub print_pdf_end_combobox {
2544: my $result;
2545: my ($text) = @_;
2546:
2547: $result .= '}&'.$text."\\\\\n";
2548: $result .= '\end{tabularx}' . "\n";
2549: $result .= '\hspace{2mm}' . "\n";
2550: return $result;
2551: }
2552:
2553:
2554: =pod
2555:
2556: =item &print_pdf_hiddenField(fieldname, user, domain)
2557:
2558: Returns a latexline to generate a PDF-Form-hiddenField with userdata.
2559:
2560: $fieldname label for hiddentextfield
2561: $user: name of user
2562: $domain: domain of user
2563:
2564: =cut
2565: sub print_pdf_hiddenfield {
2566: my $result;
2567: my ($fieldname, $user, $domain) = @_;
2568:
2569: $result .= '\textField [\F{\FHidden}\F{-\FPrint}\V{'.$domain.'&'.$user.'}]{'.$fieldname.'}{0in}{0in}'."\n";
2570:
2571: return $result;
2572: }
2573:
1.1 sakharuk 2574: 1;
2575: __END__
1.68 www 2576:
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