Annotation of loncom/xml/londefdef.pm, revision 1.403.4.2
1.1 sakharuk 1: # The LearningOnline Network with CAPA
2: # Tags Default Definition Module
3: #
1.403.4.2! raeburn 4: # $Id: londefdef.pm,v 1.403.4.1 2010/02/02 15:34:58 raeburn Exp $
1.41 sakharuk 5: #
1.34 www 6: #
7: # Copyright Michigan State University Board of Trustees
8: #
9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
10: #
11: # LON-CAPA is free software; you can redistribute it and/or modify
12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
16: # LON-CAPA is distributed in the hope that it will be useful,
17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
22: # along with LON-CAPA; if not, write to the Free Software
23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: #
27: # http://www.lon-capa.org/
1.156 sakharuk 28: ## Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
1.34 www 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: #
1.1 sakharuk 39:
1.2 albertel 40: package Apache::londefdef;
1.1 sakharuk 41:
1.267 albertel 42: use Apache::lonnet;
1.1 sakharuk 43: use strict;
1.124 sakharuk 44: use Apache::lonxml;
1.398 foxr 45: use Apache::lontable;
1.57 sakharuk 46: use Apache::File();
1.70 sakharuk 47: use Image::Magick;
1.118 www 48: use Apache::lonmenu();
49: use Apache::lonmeta();
1.389 www 50: use Apache::lonlocal;
1.187 albertel 51: use Apache::Constants qw(:common);
1.282 foxr 52: use File::Basename;
1.345 albertel 53: use LONCAPA();
1.302 foxr 54: # use Data::Dumper;
1.160 sakharuk 55:
1.38 harris41 56: BEGIN {
1.15 sakharuk 57:
1.135 sakharuk 58: &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr','hideweboutput'));
1.15 sakharuk 59:
1.188 albertel 60: }
61:
1.398 foxr 62:
1.188 albertel 63: sub initialize_londefdef {
64: $Apache::londefdef::TD_redirection=0;
65: @Apache::londefdef::table = ();
66: $Apache::londefdef::select=0;
1.243 albertel 67: undef(@Apache::londefdef::description);
68: @Apache::londefdef::DD=(0);
69: @Apache::londefdef::DT=(0);
1.244 albertel 70: @Apache::londefdef::seenDT=(0);
1.238 albertel 71: $Apache::londefdef::list_index=0;
1.327 albertel 72: undef($Apache::londefdef::head);
73: undef($Apache::londefdef::title);
1.3 sakharuk 74: }
1.1 sakharuk 75:
1.35 sakharuk 76: #======================= TAG SUBROUTINES =====================
1.8 sakharuk 77: #-- <output>
1.21 albertel 78: sub start_output {
1.122 albertel 79: my ($target) = @_;
80: if ($target eq 'meta') { $Apache::lonxml::metamode--; }
81: return '';
1.21 albertel 82: }
83: sub end_output {
1.122 albertel 84: my ($target) = @_;
85: if ($target eq 'meta') { $Apache::lonxml::metamode++; }
86: return '';
1.21 albertel 87: }
1.4 sakharuk 88: #-- <m> tag
1.33 albertel 89: sub start_m {
1.190 albertel 90: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 91: my $currentstring = '';
1.193 albertel 92: my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
1.191 albertel 93: if ($target eq 'web' || $target eq 'analyze') {
1.122 albertel 94: &Apache::lonxml::debug("M is starting with:$inside:");
95: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
96: if ($eval eq 'on') {
97: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
1.392 bisitz 98: #&Apache::lonxml::debug("M is evaluated to:$inside:");
1.122 albertel 99: }
1.317 albertel 100: my $tex = $inside;
1.276 albertel 101: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
102: $currentstring = &Apache::lontexconvert::converted(\$inside,$display);
1.122 albertel 103: if ($Apache::lontexconvert::errorstring) {
1.392 bisitz 104: my $errormsg='<pre>'.&HTML::Entities::encode($Apache::lontexconvert::errorstring,'<>&"').'</pre> occurred while attempting to convert this TeX: <pre>';
1.317 albertel 105: $tex = &HTML::Entities::encode($tex,'<>&"');
106: my ($linenumber) =
107: ($Apache::lontexconvert::errorstring =~ /Line (\d+)/);
108: if (defined($linenumber)) {
109: my @tex=split("\n",$tex);
110: $tex[$linenumber]='<b><font color="red">'.
111: $tex[$linenumber].'</font></b>';
112: $tex=join("\n",@tex);
113: }
114: &Apache::lonxml::warning($errormsg.$tex.'</pre>');
1.122 albertel 115: $Apache::lontexconvert::errorstring='';
116: }
117: #&Apache::lonxml::debug("M is ends with:$currentstring:");
1.178 albertel 118: $Apache::lonxml::post_evaluate=0;
1.122 albertel 119: } elsif ($target eq 'tex') {
1.360 foxr 120:
1.190 albertel 121: $currentstring = $inside;
1.178 albertel 122: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
123: if ($eval eq 'on') {
124: $currentstring=&Apache::run::evaluate($currentstring,$safeeval,$$parstack[-1]);
125: }
1.122 albertel 126: if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
1.257 albertel 127: # detect simple math mode entry exits, and convert them
1.360 foxr 128: # to use \ensuremath ... unless there's a \verb inside.
129: if (! ($currentstring=~/\\verb/)) {
1.395 raeburn 130: if ($currentstring=~/^\s*\$[^\$].*\$\s*$/) {
1.360 foxr 131: $currentstring=~s/^(\s*)\$/$1/;
132: $currentstring=~s/\$(\s*)$/$1/;
133: $currentstring='\ensuremath{'.$currentstring.'}';
134: }
1.257 albertel 135: }
1.178 albertel 136: $Apache::lonxml::post_evaluate=0;
1.122 albertel 137: }
138: return $currentstring;
1.33 albertel 139: }
1.122 albertel 140:
1.33 albertel 141: sub end_m {
1.122 albertel 142: my ($target,$token) = @_;
143: my $currentstring = '';
1.204 albertel 144: if ($target eq 'tex') {
1.122 albertel 145: $currentstring = "";
146: }
147: return $currentstring;
1.33 albertel 148: }
1.110 albertel 149:
150: sub start_tthoption {
1.299 albertel 151: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 152: my $result;
1.325 albertel 153: if ($target eq 'web' || $target eq 'webgrade') {
1.299 albertel 154: my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser,
155: $style);
1.122 albertel 156: $inside=~s/^\s*//;
1.267 albertel 157: if ($env{'browser.mathml'}) {
1.122 albertel 158: &tth::ttmoptions($inside);
159: } else {
160: &tth::tthoptions($inside);
161: }
162: }
163: return $result;
1.110 albertel 164: }
165:
166: sub end_tthoption {
1.122 albertel 167: my ($target,$token) = @_;
168: my $result;
169: return $result;
1.110 albertel 170: }
171:
1.181 sakharuk 172: #-- <html> tag (end tag optional)
1.100 albertel 173: sub start_html {
174: my ($target,$token) = @_;
175: my $currentstring = '';
1.269 albertel 176: if ($target eq 'web' || $target eq 'edit' || $target eq 'webgrade' ) {
1.327 albertel 177: # start_body() takes care of emitting the <html>
1.100 albertel 178: } elsif ($target eq 'tex') {
1.391 onken 179:
1.399 foxr 180: $currentstring .= &latex_header();
1.100 albertel 181: }
182: return $currentstring;
183: }
1.122 albertel 184:
185: sub end_html {
1.232 sakharuk 186: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 187: my $currentstring = '';
1.324 albertel 188: if ($target eq 'web' || $target eq 'webgrade') {
1.327 albertel 189: # end_body takes care of the </html>
1.122 albertel 190: }
191: return $currentstring;
192: }
193:
1.181 sakharuk 194: #-- <head> tag (end tag optional)
1.122 albertel 195: sub start_head {
196: my ($target,$token) = @_;
197: my $currentstring = '';
1.324 albertel 198: if ($target eq 'web' || $target eq 'webgrade') {
1.327 albertel 199: &Apache::lonxml::startredirection();
1.122 albertel 200: }
201: return $currentstring;
202: }
203:
204: sub end_head {
205: my ($target,$token) = @_;
206: my $currentstring = '';
1.324 albertel 207: if (($target eq 'web' && $env{'request.state'} eq 'published') ||
208: ($target eq 'webgrade' && $env{'request.state'} eq 'published')) {
1.327 albertel 209: # in case there is a </head> but no <head>
210: if ($Apache::lonxml::redirection) {
211: $Apache::londefdef::head = &Apache::lonxml::endredirection();
212: }
1.122 albertel 213: }
214: return $currentstring;
215: }
216:
1.181 sakharuk 217: #-- <map> tag (end tag required)
1.122 albertel 218: sub start_map {
219: my ($target,$token) = @_;
220: my $currentstring = '';
1.325 albertel 221: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 222: $currentstring = $token->[4];
223: }
224: return $currentstring;
225: }
226:
227: sub end_map {
228: my ($target,$token) = @_;
229: my $currentstring = '';
1.325 albertel 230: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 231: $currentstring = $token->[2];
232: }
233: return $currentstring;
234: }
235:
1.181 sakharuk 236: #-- <select> tag (end tag required)
1.122 albertel 237: sub start_select {
238: my ($target,$token) = @_;
239: my $currentstring = '';
1.325 albertel 240: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 241: $currentstring = $token->[4];
1.181 sakharuk 242: } elsif ($target eq 'tex') {
243: $Apache::londefdef::select=0;
244: }
1.122 albertel 245: return $currentstring;
246: }
247:
248: sub end_select {
249: my ($target,$token) = @_;
250: my $currentstring = '';
1.325 albertel 251: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 252: $currentstring = $token->[2];
253: }
254: return $currentstring;
255: }
256:
1.181 sakharuk 257: #-- <option> tag (end tag optional)
1.122 albertel 258: sub start_option {
1.181 sakharuk 259: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 260: my $currentstring = '';
1.325 albertel 261: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 262: $currentstring = $token->[4];
1.181 sakharuk 263: } elsif ($target eq 'tex') {
264: $Apache::londefdef::select++;
265: if ($Apache::londefdef::select == 1) {
266: $currentstring='\noindent\fbox{'.&Apache::lonxml::get_param('value',$parstack,$safeeval).'}\keephidden{';
267: } else {
268: $currentstring='\keephidden{';
269: }
270: }
1.122 albertel 271: return $currentstring;
272: }
273:
274: sub end_option {
275: my ($target,$token) = @_;
276: my $currentstring = '';
1.325 albertel 277: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 278: $currentstring = $token->[2];
1.181 sakharuk 279: } elsif ($target eq 'tex') {
280: $currentstring='}';
281: }
1.122 albertel 282: return $currentstring;
283: }
284:
1.181 sakharuk 285: #-- <input> tag (end tag forbidden)
1.122 albertel 286: sub start_input {
287: my ($target,$token) = @_;
288: my $currentstring = '';
1.325 albertel 289: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 290: $currentstring = $token->[4];
291: }
292: return $currentstring;
293: }
294:
295: sub end_input {
296: my ($target,$token) = @_;
297: my $currentstring = '';
1.325 albertel 298: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 299: $currentstring = $token->[2];
300: }
301: return $currentstring;
302: }
303:
1.181 sakharuk 304: #-- <textarea> tag (end tag required)
1.122 albertel 305: sub start_textarea {
306: my ($target,$token) = @_;
307: my $currentstring = '';
1.325 albertel 308: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 309: $currentstring = $token->[4];
310: }
311: return $currentstring;
312: }
313:
314: sub end_textarea {
315: my ($target,$token) = @_;
316: my $currentstring = '';
1.325 albertel 317: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 318: $currentstring = $token->[2];
319: }
320: return $currentstring;
321: }
322:
1.181 sakharuk 323: #-- <form> tag (end tag required)
1.122 albertel 324: sub start_form {
325: my ($target,$token) = @_;
326: my $currentstring = '';
1.325 albertel 327: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 328: $currentstring = $token->[4];
329: }
330: return $currentstring;
331: }
332:
333: sub end_form {
334: my ($target,$token) = @_;
335: my $currentstring = '';
1.325 albertel 336: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 337: $currentstring = $token->[2];
338: }
339: return $currentstring;
340: }
341:
1.181 sakharuk 342: #-- <title> tag (end tag required)
1.122 albertel 343: sub start_title {
1.327 albertel 344: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 345: my $currentstring = '';
1.324 albertel 346: if ($target eq 'web' || $target eq 'webgrade') {
1.327 albertel 347: $Apache::londefdef::title =
348: &Apache::lonxml::get_all_text('/title',$parser,$style);
1.122 albertel 349: } elsif ($target eq 'tex') {
1.166 sakharuk 350: $currentstring .= '\keephidden{Title of the document: '
1.122 albertel 351: }
352: if ($target eq 'meta') {
353: $currentstring='<title>';
1.185 albertel 354: &start_output($target);
1.122 albertel 355: }
356: return $currentstring;
357: }
358:
359: sub end_title {
360: my ($target,$token) = @_;
361: my $currentstring = '';
1.324 albertel 362: if ($target eq 'web' || $target eq 'webgrade') {
1.327 albertel 363: # start_title takes care of swallowing the title
1.122 albertel 364: } elsif ($target eq 'tex') {
365: $currentstring .= '}';
366: }
367: if ($target eq 'meta') {
1.185 albertel 368: &end_output($target);
1.122 albertel 369: $currentstring='</title>';
370: }
371: return $currentstring;
372: }
373:
1.181 sakharuk 374: #-- <meta> tag (end tag forbidden)
1.122 albertel 375: sub start_meta {
1.299 albertel 376: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 377: my $currentstring = '';
1.325 albertel 378: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 379: my $args='';
380: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
381: if ($args eq '') {
1.299 albertel 382: &Apache::lonxml::get_all_text("/meta",$parser,$style);
1.122 albertel 383: } else {
384: $currentstring = $token->[4];
1.1 sakharuk 385: }
1.135 sakharuk 386: } elsif ($target eq 'meta') {
1.122 albertel 387: unless (&Apache::lonxml::get_param
388: ('http-equiv',$parstack,$safeeval,undef,1)) {
389: my $name=$token->[2]->{'name'};
390: $name=~tr/A-Z/a-z/;
391: $name=~s/\s/\_/gs;
392: $name=~s/\W//gs;
393: if ($name) {
1.154 www 394: $currentstring='<'.$name;
395: my $display=&Apache::lonxml::get_param
396: ('display',$parstack,$safeeval,undef,1);
397: if ($display) {
398: $display=~s/\"/\'/g;
399: $currentstring.=' display="'.$display.'"';
400: }
401: $currentstring.='>'.
1.122 albertel 402: &Apache::lonxml::get_param
403: ('content',$parstack,$safeeval,undef,1).
1.135 sakharuk 404: '</'.$name.'>';
1.1 sakharuk 405: }
1.154 www 406: my $display=&Apache::lonxml::get_param
407: ('display',$parstack,$safeeval,undef,1);
408: if ($display) {
1.204 albertel 409: $display=&HTML::Entities::encode($display,'<>&"');
1.154 www 410: $currentstring.='<'.$name.'.display>'.$display.
411: '</'.$name.'.display>';
412: }
1.1 sakharuk 413: }
1.135 sakharuk 414: } elsif ($target eq 'tex') {
1.151 sakharuk 415: my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
416: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
417: if ((not defined $content) && (not defined $name)) {
418: &Apache::lonxml::startredirection();
419: }
1.374 albertel 420: } elsif ($target eq 'edit') {
421: $currentstring .= &Apache::edit::tag_start($target,$token);
422: $currentstring .= &Apache::edit::text_arg('Name:','name',$token,30);
423: $currentstring .= &Apache::edit::text_arg('Content:','content',$token,70);
424: $currentstring .= &Apache::edit::end_row();
425: } elsif ($target eq 'modified') {
426: my $constructtag =
427: &Apache::edit::get_new_args($token,$parstack,$safeeval,
428: 'name','content');
429: if ($constructtag) { $currentstring = &Apache::edit::rebuild_tag($token); }
1.122 albertel 430: }
431: return $currentstring;
432: }
433:
434: sub end_meta {
1.165 albertel 435: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 436: my $currentstring = '';
1.325 albertel 437: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 438: my $args='';
439: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
440: if ($args ne '') {
1.121 www 441: $currentstring = $token->[4];
1.122 albertel 442: }
1.135 sakharuk 443: } elsif ($target eq 'tex') {
1.165 albertel 444: my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
445: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
1.164 albertel 446: if ((not defined $content) && (not defined $name)) {
1.169 albertel 447: &Apache::lonxml::endredirection();
1.164 albertel 448: }
1.135 sakharuk 449: }
1.122 albertel 450: return $currentstring;
451: }
452:
1.374 albertel 453: sub insert_meta {
454: return '
455: <meta />';
456: }
457:
1.121 www 458: # accessrule
1.122 albertel 459: sub start_accessrule {
1.299 albertel 460: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 461: my $currentstring = '';
1.373 albertel 462: my $eff =&Apache::lonxml::get_param('effect',$parstack,$safeeval,undef,1);
463: my $realm=&Apache::lonxml::get_param('realm', $parstack,$safeeval,undef,1);
464: my $role =&Apache::lonxml::get_param('role', $parstack,$safeeval,undef,1);
465: my $type =&Apache::lonxml::get_param('type', $parstack,$safeeval,undef,1);
466:
467: my ($dom,$crs,$sec,$separator);
1.369 albertel 468: if ($type eq 'user') {
1.373 albertel 469: ($dom,$crs,$sec)=split(m{/},$realm);
1.369 albertel 470: $crs = &LONCAPA::clean_username($crs);
1.373 albertel 471: $separator = '/';
1.369 albertel 472: } else {
1.373 albertel 473: ($dom,$crs,$sec)=split(/\_/,$realm);
1.369 albertel 474: $crs = &LONCAPA::clean_courseid($crs);
1.373 albertel 475: $separator = '_';
1.369 albertel 476: }
1.373 albertel 477: $dom = &LONCAPA::clean_domain($dom);
478:
1.369 albertel 479: $sec =~s/\W//;
480: $realm = $dom;
1.373 albertel 481: if ($crs =~ /\S/) { $realm .= $separator.$crs; }
482: if ($sec =~ /\S/) { $realm .= $separator.$sec; }
1.369 albertel 483: $role=~s/\W//g;
484:
1.122 albertel 485: if ($target eq 'web') {
486: my $args='';
487: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
488: if ($args eq '') {
1.299 albertel 489: &Apache::lonxml::get_all_text("/accessrule",$parser,$style);
1.122 albertel 490: } else {
491: $currentstring = $token->[4];
492: }
493: }
494: if ($target eq 'meta') {
1.369 albertel 495: $currentstring='<rule>'.$eff.':'.$realm.':'.$role.':'.$type.'</rule>';
1.122 albertel 496: }
497: return $currentstring;
498: }
499:
500: sub end_accessrule {
501: my ($target,$token,$tagstack,$parstack,$parser) = @_;
502: my $currentstring = '';
503: if ($target eq 'web') {
504: my $args='';
505: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
506: if ($args ne '') {
507: $currentstring = $token->[4];
508: }
509: }
510: return $currentstring;
511: }
512:
1.366 albertel 513: sub generate_css_links {
514: my $links;
515: my $css_href = &Apache::lonnet::EXT('resource.0.cssfile');
516: if ($css_href =~ /\S/) {
517: &Apache::lonxml::extlink($css_href);
518: $links .=
519: '<link rel="stylesheet" type="text/css" href="'.$css_href.'" />';
520: }
521: return $links;
522: }
523:
1.181 sakharuk 524: #-- <body> tag (end tag required)
1.122 albertel 525: sub start_body {
526: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
527: my $currentstring = '';
1.244 albertel 528:
1.324 albertel 529: if ($target eq 'web' || $target eq 'webgrade') {
1.170 albertel 530: if ($Apache::lonhomework::parsing_a_problem) {
531: &Apache::lonxml::warning("<body> tag found inside of <problem> tag this can cause problems.");
532: return '';
533: }
1.122 albertel 534:
1.327 albertel 535: if (&is_inside_of($tagstack, "head")) {
536: &end_head(@_);
1.122 albertel 537: }
1.366 albertel 538:
539: my $extra_head = &generate_css_links();
540:
1.327 albertel 541: $currentstring =
542: &Apache::loncommon::start_page($Apache::londefdef::title,
1.366 albertel 543: $Apache::londefdef::head
544: .$extra_head,
1.327 albertel 545: {'add_entries' => $token->[2],
546: 'no_title' => 1,
547: 'force_register' => 1});
548:
1.267 albertel 549: if ($env{'request.state'} ne 'published') {
1.378 albertel 550: $currentstring.=&Apache::lonmenu::constspaceform();
551: $currentstring.=&Apache::londefdef::edit_controls();
1.1 sakharuk 552: }
1.201 albertel 553: $currentstring.=&Apache::lonxml::message_location();
1.122 albertel 554: } elsif ($target eq 'tex') {
1.403 foxr 555: $currentstring = ''; # '\begin{document}' is in header.
1.122 albertel 556: }
557: return $currentstring;
558: }
559:
1.376 albertel 560: sub edit_controls {
1.401 raeburn 561: my ($nochgview) = @_;
1.389 www 562: my $result .= '
1.376 albertel 563: <form method="post">
1.401 raeburn 564: <div class="LC_edit_problem_header">';
565: unless ($nochgview) {
566: $result .= '
1.389 www 567: <div class="LC_edit_problem_header_row1">'.
568: &Apache::lonxml::renderingoptions().'
569: <input type="submit" name="changeproblemmode" value="'.&mt('Change View').'" />
1.401 raeburn 570: </div>';
571: }
572: $result .= '
1.394 bisitz 573: <div class="LC_edit_problem_header_edit_row"><input type="submit" name="editmode" accesskey="e" value="'.&mt('Edit').'" /></div></div>
1.376 albertel 574: </form>
1.389 www 575: <br />';
1.376 albertel 576: return $result;
577: }
578:
1.122 albertel 579: sub end_body {
1.259 albertel 580: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 581: my $currentstring = &end_p(); # Close off unclosed <p>
1.324 albertel 582: if ($target eq 'web' || $target eq 'webgrade') {
1.327 albertel 583: $currentstring .= &Apache::loncommon::end_page({'discussion' => 1});
1.122 albertel 584: } elsif ($target eq 'tex') {
1.277 foxr 585: $currentstring .= '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent \end{document}';
1.122 albertel 586: }
587: return $currentstring;
588: }
589:
1.309 albertel 590: # \begin{center} causes a new paragprah spacing that looks odd inside
1.337 foxr 591: # of a table cell. Same at the end of a \center but with a slightly
592: # larger space .. hence center_correction and center_end_correction.
593: #
594: sub center_correction { return '\vspace*{-6 mm}'; }
595: sub center_end_correction { return '\vspace*{-7 mm}'; }
596:
1.181 sakharuk 597: #-- <center> tag (end tag required)
1.122 albertel 598: sub start_center {
1.309 albertel 599: my ($target,$token,$tagstack) = @_;
1.279 foxr 600: my $currentstring = &end_p(); # Close off any prior para.
1.325 albertel 601: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 602: $currentstring .= $token->[4];
1.122 albertel 603: } elsif ($target eq 'tex') {
1.309 albertel 604: if (&is_inside_of($tagstack, "table")) {
605: $currentstring .= ¢er_correction();
606: }
1.277 foxr 607: $currentstring .= '\begin{center}';
1.144 sakharuk 608: }
1.122 albertel 609: return $currentstring;
610: }
611:
612: sub end_center {
1.309 albertel 613: my ($target,$token,$tagstack) = @_;
1.122 albertel 614: my $currentstring = '';
1.325 albertel 615: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 616: $currentstring = $token->[2];
617: } elsif ($target eq 'tex') {
618: $currentstring = '\end{center}';
1.337 foxr 619: if (&is_inside_of($tagstack, "table")) {
620: $currentstring .= ¢er_end_correction();
621: }
1.144 sakharuk 622: }
1.122 albertel 623: return $currentstring;
624: }
625:
1.181 sakharuk 626: #-- <b> tag (end tag required)
1.279 foxr 627: # NOTE: In TeX mode disables internal <p>
1.122 albertel 628: sub start_b {
629: my ($target,$token) = @_;
630: my $currentstring = '';
1.325 albertel 631: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 632: $currentstring = $token->[4];
633: } elsif ($target eq 'tex') {
1.279 foxr 634: &disable_para();
635: $currentstring .= '\textbf{';
1.122 albertel 636: }
637: return $currentstring;
638: }
639:
640: sub end_b {
641: my ($target,$token) = @_;
642: my $currentstring = '';
1.325 albertel 643: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 644: $currentstring = $token->[2];
645: } elsif ($target eq 'tex') {
1.279 foxr 646: &enable_para();
647: $currentstring = '}';
1.122 albertel 648: }
649: return $currentstring;
650: }
1.35 sakharuk 651:
1.181 sakharuk 652: #-- <strong> tag (end tag required)
1.279 foxr 653: # NOTE: in TeX mode disables internal <p>
1.122 albertel 654: sub start_strong {
655: my ($target,$token) = @_;
656: my $currentstring = '';
1.325 albertel 657: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 658: $currentstring = $token->[4];
659: } elsif ($target eq 'tex') {
1.279 foxr 660: &disable_para();
1.122 albertel 661: $currentstring = '\textbf{';
662: }
663: return $currentstring;
664: }
665:
666: sub end_strong {
667: my ($target,$token) = @_;
668: my $currentstring = '';
1.325 albertel 669: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 670: $currentstring = $token->[2];
671: } elsif ($target eq 'tex') {
1.279 foxr 672: &enable_para();
1.122 albertel 673: $currentstring = '}';
1.144 sakharuk 674: }
1.122 albertel 675: return $currentstring;
676: }
677:
1.181 sakharuk 678: #-- <h1> tag (end tag required)
1.122 albertel 679: sub start_h1 {
1.125 sakharuk 680: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 681: my $currentstring = &end_p(); # Close off any prior para.
1.325 albertel 682: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 683: $currentstring .= $token->[4];
684: } elsif ($target eq 'tex') {
1.125 sakharuk 685: my $pre;
1.199 albertel 686: my $align=lc(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1));
1.212 sakharuk 687: if ($align eq 'center') {
1.125 sakharuk 688: $pre='\begin{center}';
689: } elsif ($align eq 'left') {
690: $pre='\rlap{';
691: } elsif ($align eq 'right') {
692: $pre=' \hfill \llap{';
693: }
694: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
695: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 696: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 697: } elsif ($target eq 'meta') {
1.277 foxr 698: $currentstring.='<subject>';
1.185 albertel 699: &start_output($target);
1.122 albertel 700: }
701: return $currentstring;
702: }
703:
704: sub end_h1 {
1.125 sakharuk 705: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 706: my $currentstring = '';
1.325 albertel 707: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 708: $currentstring .= $token->[2];
709: } elsif ($target eq 'tex') {
1.212 sakharuk 710: my $post='\vskip 0 mm ';
1.125 sakharuk 711: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 712: if ($align eq 'center') {
1.125 sakharuk 713: $post='\end{center}';
714: } elsif ($align eq 'left') {
715: $post='} \hfill'.'\vskip 0 mm ';
716: } elsif ($align eq 'right') {
717: $post='}'.'\vskip 0 mm ';
718: }
719: $currentstring .= '}}'.$post;
1.122 albertel 720: } elsif ($target eq 'meta') {
1.185 albertel 721: &end_output($target);
1.122 albertel 722: $currentstring='</subject>';
723: }
724: return $currentstring;
725: }
726:
1.35 sakharuk 727: #-- <h2> tag
1.122 albertel 728: sub start_h2 {
1.125 sakharuk 729: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 730: my $currentstring = &end_p(); # Close off any prior para.
1.325 albertel 731: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 732: $currentstring .= $token->[4];
733: } elsif ($target eq 'tex') {
1.125 sakharuk 734: my $pre;
735: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 736: if ($align eq 'center') {
1.125 sakharuk 737: $pre='\begin{center}';
738: } elsif ($align eq 'left') {
739: $pre='\rlap{';
740: } elsif ($align eq 'right') {
741: $pre=' \hfill \llap{';
742: }
743: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
744: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 745: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 746: }
747: return $currentstring;
748: }
749:
750: sub end_h2 {
1.125 sakharuk 751: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 752: my $currentstring = '';
1.325 albertel 753: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 754: $currentstring .= $token->[2];
755: } elsif ($target eq 'tex') {
1.212 sakharuk 756: my $post='\vskip 0 mm ';
1.125 sakharuk 757: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 758: if ($align eq 'center') {
1.125 sakharuk 759: $post='\end{center}';
760: } elsif ($align eq 'left') {
761: $post='} \hfill'.'\vskip 0 mm ';
762: } elsif ($align eq 'right') {
763: $post='}'.'\vskip 0 mm ';
764: }
765: $currentstring .= '}}'.$post;
1.122 albertel 766: }
767: return $currentstring;
768: }
769:
1.35 sakharuk 770: #-- <h3> tag
1.122 albertel 771: sub start_h3 {
1.125 sakharuk 772: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 773: my $currentstring = &end_p(); # Close off any prior para.
1.325 albertel 774: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 775: $currentstring .= $token->[4];
776: } elsif ($target eq 'tex') {
1.125 sakharuk 777: my $pre;
778: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 779: if ($align eq 'center') {
1.125 sakharuk 780: $pre='\begin{center}';
781: } elsif ($align eq 'left') {
782: $pre='\rlap{';
783: } elsif ($align eq 'right') {
784: $pre=' \hfill \llap{';
785: }
786: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
787: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 788: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 789: }
790: return $currentstring;
791: }
792:
793: sub end_h3 {
1.125 sakharuk 794: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 795: my $currentstring = '';
1.325 albertel 796: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 797: $currentstring .= $token->[2];
798: } elsif ($target eq 'tex') {
1.212 sakharuk 799: my $post='\vskip 0 mm ';
1.125 sakharuk 800: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 801: if ($align eq 'center') {
1.125 sakharuk 802: $post='\end{center}';
803: } elsif ($align eq 'left') {
804: $post='} \hfill'.'\vskip 0 mm ';
805: } elsif ($align eq 'right') {
806: $post='}'.'\vskip 0 mm ';
807: }
808: $currentstring .= '}}'.$post;
1.122 albertel 809: }
810: return $currentstring;
811: }
812:
1.35 sakharuk 813: #-- <h4> tag
1.122 albertel 814: sub start_h4 {
1.125 sakharuk 815: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 816: my $currentstring = &end_p(); # Close off any prior para.
1.325 albertel 817: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 818: $currentstring .= $token->[4];
819: } elsif ($target eq 'tex') {
1.125 sakharuk 820: my $pre;
821: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 822: if ($align eq 'center') {
1.125 sakharuk 823: $pre='\begin{center}';
824: } elsif ($align eq 'left') {
825: $pre='\rlap{';
826: } elsif ($align eq 'right') {
827: $pre=' \hfill \llap{';
828: }
829: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
830: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 831: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 832: }
833: return $currentstring;
834: }
835:
836: sub end_h4 {
1.125 sakharuk 837: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 838: my $currentstring = '';
1.325 albertel 839: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 840: $currentstring .= $token->[2];
841: } elsif ($target eq 'tex') {
1.212 sakharuk 842: my $post='\vskip 0 mm ';
1.125 sakharuk 843: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 844: if ($align eq 'center') {
1.125 sakharuk 845: $post='\end{center}';
846: } elsif ($align eq 'left') {
847: $post='} \hfill'.'\vskip 0 mm ';
848: } elsif ($align eq 'right') {
849: $post='}'.'\vskip 0 mm ';
850: }
851: $currentstring .= '}}'.$post;
1.122 albertel 852: }
853: return $currentstring;
854: }
855:
1.35 sakharuk 856: #-- <h5> tag
1.122 albertel 857: sub start_h5 {
1.125 sakharuk 858: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 859: my $currentstring = &end_p(); # Close off any prior paras.
1.325 albertel 860: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 861: $currentstring .= $token->[4];
862: } elsif ($target eq 'tex') {
1.125 sakharuk 863: my $pre;
864: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 865: if ($align eq 'center') {
1.125 sakharuk 866: $pre='\begin{center}';
867: } elsif ($align eq 'left') {
868: $pre='\rlap{';
869: } elsif ($align eq 'right') {
870: $pre=' \hfill \llap{';
871: }
872: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
873: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 874: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 875: }
876: return $currentstring;
877: }
878:
879: sub end_h5 {
1.125 sakharuk 880: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 881: my $currentstring = '';
1.325 albertel 882: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 883: $currentstring .= $token->[2];
884: } elsif ($target eq 'tex') {
1.212 sakharuk 885: my $post='\vskip 0 mm ';
1.125 sakharuk 886: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 887: if ($align eq 'center') {
1.125 sakharuk 888: $post='\end{center}';
889: } elsif ($align eq 'left') {
890: $post='} \hfill'.'\vskip 0 mm ';
891: } elsif ($align eq 'right') {
892: $post='}'.'\vskip 0 mm ';
893: }
894: $currentstring .= '}}'.$post;
1.122 albertel 895: }
896: return $currentstring;
897: }
898:
1.35 sakharuk 899: #-- <h6> tag
1.122 albertel 900: sub start_h6 {
1.125 sakharuk 901: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 902: my $currentstring = &end_p(); # Close off any prior paras.
1.325 albertel 903: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 904: $currentstring .= $token->[4];
905: } elsif ($target eq 'tex') {
1.125 sakharuk 906: my $pre;
907: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 908: if ($align eq 'center') {
1.125 sakharuk 909: $pre='\begin{center}';
910: } elsif ($align eq 'left') {
911: $pre='\rlap{';
912: } elsif ($align eq 'right') {
913: $pre=' \hfill \llap{';
914: }
915: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
916: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 917: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 918: }
919: return $currentstring;
920: }
921:
922: sub end_h6 {
1.125 sakharuk 923: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 924: my $currentstring = '';
1.325 albertel 925: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 926: $currentstring .= $token->[2];
927: } elsif ($target eq 'tex') {
1.212 sakharuk 928: my $post='\vskip 0 mm ';
1.125 sakharuk 929: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 930: if ($align eq 'center') {
1.125 sakharuk 931: $post='\end{center}';
932: } elsif ($align eq 'left') {
933: $post='} \hfill'.'\vskip 0 mm ';
934: } elsif ($align eq 'right') {
935: $post='}'.'\vskip 0 mm ';
936: }
937: $currentstring .= '}}'.$post;
1.122 albertel 938: }
939: return $currentstring;
940: }
941:
1.181 sakharuk 942: #--- <cite> tag (end tag required)
1.122 albertel 943: sub start_cite {
944: my ($target,$token) = @_;
945: my $currentstring = '';
1.325 albertel 946: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 947: $currentstring .= $token->[4];
948: } elsif ($target eq 'tex') {
1.179 sakharuk 949: $currentstring .= '\textit{';
1.144 sakharuk 950: }
1.122 albertel 951: return $currentstring;
952: }
953:
954: sub end_cite {
955: my ($target,$token) = @_;
956: my $currentstring = '';
1.325 albertel 957: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 958: $currentstring .= $token->[2];
959: } elsif ($target eq 'tex') {
1.179 sakharuk 960: $currentstring .= '}';
1.144 sakharuk 961: }
1.122 albertel 962: return $currentstring;
963: }
964:
1.181 sakharuk 965: #-- <i> tag (end tag required)
1.122 albertel 966: sub start_i {
967: my ($target,$token) = @_;
968: my $currentstring = '';
1.325 albertel 969: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 970: $currentstring .= $token->[4];
971: } elsif ($target eq 'tex') {
972: $currentstring .= '\textit{';
1.144 sakharuk 973: }
1.122 albertel 974: return $currentstring;
975: }
976:
977: sub end_i {
978: my ($target,$token) = @_;
979: my $currentstring = '';
1.325 albertel 980: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 981: $currentstring .= $token->[2];
982: } elsif ($target eq 'tex') {
983: $currentstring .= '}';
984: }
985: return $currentstring;
986: }
987:
1.181 sakharuk 988: #-- <address> tag (end tag required)
1.122 albertel 989: sub start_address {
990: my ($target,$token) = @_;
991: my $currentstring = '';
1.325 albertel 992: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 993: $currentstring .= $token->[4];
994: } elsif ($target eq 'tex') {
1.179 sakharuk 995: $currentstring .= '\textit{';
1.144 sakharuk 996: }
1.122 albertel 997: return $currentstring;
998: }
999:
1000: sub end_address {
1001: my ($target,$token) = @_;
1002: my $currentstring = '';
1.325 albertel 1003: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1004: $currentstring .= $token->[2];
1005: } elsif ($target eq 'tex') {
1.179 sakharuk 1006: $currentstring .= '}';
1.122 albertel 1007: }
1008: return $currentstring;
1009: }
1010:
1.181 sakharuk 1011: #-- <dfn> tag (end tag required)
1.122 albertel 1012: sub start_dfn {
1013: my ($target,$token) = @_;
1014: my $currentstring = '';
1.325 albertel 1015: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1016: $currentstring .= $token->[4];
1017: } elsif ($target eq 'tex') {
1.179 sakharuk 1018: $currentstring .= '\textit{';
1.122 albertel 1019: }
1020: return $currentstring;
1021: }
1022:
1023: sub end_dfn {
1024: my ($target,$token) = @_;
1025: my $currentstring = '';
1.325 albertel 1026: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1027: $currentstring .= $token->[2];
1028: } elsif ($target eq 'tex') {
1.179 sakharuk 1029: $currentstring .= '}';
1.144 sakharuk 1030: }
1.122 albertel 1031: return $currentstring;
1032: }
1033:
1.181 sakharuk 1034: #-- <tt> tag (end tag required)
1.122 albertel 1035: sub start_tt {
1036: my ($target,$token) = @_;
1037: my $currentstring = '';
1.325 albertel 1038: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1039: $currentstring .= $token->[4];
1040: } elsif ($target eq 'tex') {
1041: $currentstring .= '\texttt{';
1.144 sakharuk 1042: }
1.122 albertel 1043: return $currentstring;
1044: }
1045:
1046: sub end_tt {
1047: my ($target,$token) = @_;
1048: my $currentstring = '';
1.325 albertel 1049: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1050: $currentstring .= $token->[2];
1051: } elsif ($target eq 'tex') {
1052: $currentstring .= '}';
1053: }
1054: return $currentstring;
1055: }
1056:
1.181 sakharuk 1057: #-- <kbd> tag (end tag required)
1.122 albertel 1058: sub start_kbd {
1059: my ($target,$token) = @_;
1060: my $currentstring = '';
1.325 albertel 1061: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1062: $currentstring .= $token->[4];
1063: } elsif ($target eq 'tex') {
1.179 sakharuk 1064: $currentstring .= '\texttt{';
1.144 sakharuk 1065: }
1.122 albertel 1066: return $currentstring;
1067: }
1068:
1069: sub end_kbd {
1070: my ($target,$token) = @_;
1071: my $currentstring = '';
1.325 albertel 1072: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1073: $currentstring .= $token->[2];
1074: } elsif ($target eq 'tex') {
1.179 sakharuk 1075: $currentstring .= '}';
1.144 sakharuk 1076: }
1.122 albertel 1077: return $currentstring;
1078: }
1079:
1.181 sakharuk 1080: #-- <code> tag (end tag required)
1.122 albertel 1081: sub start_code {
1082: my ($target,$token) = @_;
1083: my $currentstring = '';
1.325 albertel 1084: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1085: $currentstring .= $token->[4];
1086: } elsif ($target eq 'tex') {
1087: $currentstring .= '\texttt{';
1088: }
1089: return $currentstring;
1090: }
1091:
1092: sub end_code {
1093: my ($target,$token) = @_;
1094: my $currentstring = '';
1.325 albertel 1095: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1096: $currentstring .= $token->[2];
1097: } elsif ($target eq 'tex') {
1098: $currentstring .= '}';
1099: }
1100: return $currentstring;
1101: }
1102:
1.181 sakharuk 1103: #-- <em> tag (end tag required)
1.122 albertel 1104: sub start_em {
1105: my ($target,$token) = @_;
1106: my $currentstring = '';
1.325 albertel 1107: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1108: $currentstring .= $token->[4];
1109: } elsif ($target eq 'tex') {
1110: $currentstring .= '\emph{';
1.144 sakharuk 1111: }
1.122 albertel 1112: return $currentstring;
1113: }
1114:
1115: sub end_em {
1116: my ($target,$token) = @_;
1117: my $currentstring = '';
1.325 albertel 1118: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1119: $currentstring .= $token->[2];
1120: } elsif ($target eq 'tex') {
1121: $currentstring .= '}';
1.144 sakharuk 1122: }
1.122 albertel 1123: return $currentstring;
1124: }
1125:
1.181 sakharuk 1126: #-- <q> tag (end tag required)
1.122 albertel 1127: sub start_q {
1128: my ($target,$token) = @_;
1129: my $currentstring = '';
1.325 albertel 1130: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1131: $currentstring .= $token->[4];
1132: } elsif ($target eq 'tex') {
1.179 sakharuk 1133: $currentstring .= '\emph{';
1.122 albertel 1134: }
1135: return $currentstring;
1136: }
1137:
1138: sub end_q {
1139: my ($target,$token) = @_;
1140: my $currentstring = '';
1.325 albertel 1141: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1142: $currentstring .= $token->[2];
1143: } elsif ($target eq 'tex') {
1.179 sakharuk 1144: $currentstring .= '}';
1.144 sakharuk 1145: }
1.122 albertel 1146: return $currentstring;
1147: }
1148:
1.277 foxr 1149: # <p> is a bit strange since it does not require a closing </p>
1150: # However in latex, we must often output closing stuff to end
1151: # environments and {}'s etc. Therefore we do all the work
1152: # of figuring out the ending strings in the start tag processing,
1153: # and provide a mechanism to output the stop text external
1154: # to tag processing.
1155: #
1156: {
1157:
1158: my $closing_string = ''; # String required to close <p>
1159:
1.279 foxr 1160: # Some tags are <p> fragile meaning that <p> inside of them
1161: # does not work within TeX mode. This is managed via the
1162: # counter below:
1163: #
1164:
1165: my $para_disabled = 0;
1166:
1167: sub disable_para {
1168: $para_disabled++;
1169: }
1170: sub enable_para {
1171: $para_disabled--;
1172: }
1173:
1174:
1.181 sakharuk 1175: #-- <p> tag (end tag optional)
1.198 sakharuk 1176: #optional attribute - align="center|left|right"
1.122 albertel 1177: sub start_p {
1.157 sakharuk 1178: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1179: my $currentstring = '';
1.325 albertel 1180: if ($target eq 'web' || $target eq 'webgrade') {
1.279 foxr 1181: $currentstring .= &end_p(); # close off prior para if in progress.
1.122 albertel 1182: $currentstring .= $token->[4];
1.279 foxr 1183: if (! ($currentstring =~ /\//)) {
1184: $closing_string = '</p>'; # Deal correctly with <p /> e.g.
1185: }
1186: } elsif ($target eq 'tex' && !$para_disabled) {
1.313 foxr 1187:
1.279 foxr 1188: $currentstring .= &end_p(); # close off prior para if in progress.
1.198 sakharuk 1189: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1190: if ($align eq 'center') {
1.333 albertel 1191: $currentstring .='\begin{center}\par ';
1.277 foxr 1192: $closing_string = '\end{center}';
1.309 albertel 1193: if (&is_inside_of($tagstack, "table")) {
1194: $currentstring = ¢er_correction().$currentstring;
1195: }
1.198 sakharuk 1196: } elsif ($align eq 'right') {
1.323 foxr 1197: $currentstring.="\n".'{\flushright ';
1198: # $currentstring.='\makebox['.$env{'form.textwidth'}.']{\hfill\llap{';
1199: $closing_string= "}\n";
1.198 sakharuk 1200: } elsif ($align eq 'left') {
1.323 foxr 1201: $currentstring.= "\n".'{\flushleft ';
1202: # $currentstring.='\noindent\makebox['.$env{'form.textwidth'}.']{{';
1203: $closing_string = "}\n";
1.216 matthew 1204: } else {
1.277 foxr 1205: $currentstring.='\par ';
1.313 foxr 1206: if (&is_inside_of($tagstack, 'table')) {
1.315 foxr 1207: $closing_string = '\vskip 0pt'; # Seems to be consistent with <p> in tables.
1.313 foxr 1208: } else {
1209: $closing_string = '\strut\\\\\strut ';
1210: }
1.216 matthew 1211: }
1.277 foxr 1212:
1.144 sakharuk 1213: }
1.122 albertel 1214: return $currentstring;
1215: }
1.277 foxr 1216: #
1217: # End paragraph processing just requires that we output the
1218: # closing string that was saved and blank it.
1219: sub end_p {
1.279 foxr 1220: # Note only 'tex' mode uses disable_para and enable_para
1221: # so we don't need to know the target in the check below:
1222:
1223: if (!$para_disabled) {
1224: my $current_string = $closing_string;
1225: $closing_string = ''; # Not in a para anymore.
1226: return $current_string;
1227: } else {
1228: return '';
1229: }
1.122 albertel 1230:
1231: }
1.277 foxr 1232: }
1.181 sakharuk 1233: #-- <br> tag (end tag forbidden)
1.122 albertel 1234: sub start_br {
1235: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1236: my $currentstring = '';
1.325 albertel 1237: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1238: $currentstring .= $token->[4];
1239: } elsif ($target eq 'tex') {
1.227 sakharuk 1240: my @tempo=@$tagstack;
1.229 sakharuk 1241: my $signal=0;
1.287 foxr 1242: # Not going to factor this to is_inside_of since that would require
1243: # multiple stack traversals.
1244: #
1.227 sakharuk 1245: for (my $i=$#tempo;$i>=0;$i--) {
1246: if (($tempo[$i] eq 'b') || ($tempo[$i] eq 'strong') ||
1.334 albertel 1247: ($tempo[$i] eq 'ol') || ($tempo[$i] eq 'ul')) {
1.229 sakharuk 1248: $signal=1;
1.334 albertel 1249: }
1250: if (($tempo[$i] eq 'td') || ($tempo[$i] eq 'th')) {
1.336 foxr 1251: $signal = 1;
1.227 sakharuk 1252: }
1253: }
1.375 foxr 1254: if ($signal != 1) {
1.219 sakharuk 1255: $currentstring .= '\strut \\\\ \strut ';
1.1 sakharuk 1256: }
1.355 foxr 1257:
1.144 sakharuk 1258: }
1.122 albertel 1259: return $currentstring;
1260: }
1261:
1262: sub end_br {
1263: my ($target,$token) = @_;
1264: my $currentstring = '';
1.325 albertel 1265: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1266: $currentstring .= $token->[2];
1267: }
1268: return $currentstring;
1269: }
1270:
1.181 sakharuk 1271: #-- <big> tag (end tag required)
1.122 albertel 1272: sub start_big {
1273: my ($target,$token) = @_;
1274: my $currentstring = '';
1.325 albertel 1275: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1276: $currentstring .= $token->[4];
1277: } elsif ($target eq 'tex') {
1.137 sakharuk 1278: $currentstring .= '{\large ';
1.144 sakharuk 1279: }
1.122 albertel 1280: return $currentstring;
1281: }
1282:
1283: sub end_big {
1284: my ($target,$token) = @_;
1285: my $currentstring = '';
1.325 albertel 1286: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1287: $currentstring .= $token->[2];
1288: } elsif ($target eq 'tex') {
1289: $currentstring .= '}';
1290: }
1291: return $currentstring;
1292: }
1293:
1.181 sakharuk 1294: #-- <small> tag (end tag required)
1.122 albertel 1295: sub start_small {
1296: my ($target,$token) = @_;
1297: my $currentstring = '';
1.325 albertel 1298: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1299: $currentstring .= $token->[4];
1300: } elsif ($target eq 'tex') {
1301: $currentstring .= '{\footnotesize ';
1.144 sakharuk 1302: }
1.122 albertel 1303: return $currentstring;
1304: }
1305:
1306: sub end_small {
1307: my ($target,$token) = @_;
1308: my $currentstring = '';
1.325 albertel 1309: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1310: $currentstring .= $token->[2];
1311: } elsif ($target eq 'tex') {
1312: $currentstring .= '}';
1313: }
1314: return $currentstring;
1315: }
1316:
1.181 sakharuk 1317: #-- <basefont> tag (end tag forbidden)
1.122 albertel 1318: sub start_basefont {
1.126 sakharuk 1319: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.122 albertel 1320: my $currentstring = '';
1.325 albertel 1321: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1322: $currentstring = $token->[4];
1.126 sakharuk 1323: } elsif ($target eq 'tex') {
1324: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1325: if (defined $basesize) {
1326: $currentstring = '{\\'.$basesize.' ';
1327: }
1328: }
1.122 albertel 1329: return $currentstring;
1330: }
1331:
1332: sub end_basefont {
1.126 sakharuk 1333: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1334: my $currentstring = '';
1.325 albertel 1335: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1336: $currentstring = $token->[4];
1.126 sakharuk 1337: } elsif ($target eq 'tex') {
1338: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1339: if (defined $basesize) {
1340: $currentstring = '}';
1341: }
1342: }
1.122 albertel 1343: return $currentstring;
1344: }
1345:
1.181 sakharuk 1346: #-- <font> tag (end tag required)
1.122 albertel 1347: sub start_font {
1348: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1349: my $currentstring = '';
1.325 albertel 1350: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1351: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1.204 albertel 1352: if ($face!~/symbol/i) {
1.267 albertel 1353: if (($env{'browser.fontenhance'} eq 'on') ||
1354: ($env{'browser.blackwhite'} eq 'on')) { return ''; }
1.155 www 1355: }
1.122 albertel 1356: $currentstring = $token->[4];
1.126 sakharuk 1357: } elsif ($target eq 'tex') {
1358: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1359: if (defined $fontsize) {
1360: $currentstring = '{\\'.$fontsize.' ';
1361: }
1362: }
1.122 albertel 1363: return $currentstring;
1364: }
1365:
1366: sub end_font {
1367: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1368: my $currentstring = '';
1.325 albertel 1369: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1370: $currentstring = $token->[2];
1.126 sakharuk 1371: } elsif ($target eq 'tex') {
1372: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1373: if (defined $fontsize) {
1374: $currentstring = '}';
1375: }
1376: }
1.122 albertel 1377: return $currentstring;
1378: }
1379:
1.181 sakharuk 1380: #-- <strike> tag (end tag required)
1.122 albertel 1381: sub start_strike {
1382: my ($target,$token) = @_;
1383: my $currentstring = '';
1.325 albertel 1384: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1385: $currentstring .= $token->[4];
1386: } elsif ($target eq 'tex') {
1387: &Apache::lonxml::startredirection();
1388: }
1389: return $currentstring;
1390: }
1391:
1392: sub end_strike {
1393: my ($target,$token) = @_;
1394: my $currentstring = '';
1.325 albertel 1395: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1396: $currentstring .= $token->[2];
1397: } elsif ($target eq 'tex') {
1398: $currentstring=&Apache::lonxml::endredirection();
1399: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1400: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1401: $currentstring=~s/(\S)\s*$/$1\}/;
1402: }
1403: return $currentstring;
1404: }
1405:
1.181 sakharuk 1406: #-- <s> tag (end tag required)
1.122 albertel 1407: sub start_s {
1408: my ($target,$token) = @_;
1409: my $currentstring = '';
1.325 albertel 1410: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1411: $currentstring .= $token->[4];
1412: } elsif ($target eq 'tex') {
1413: &Apache::lonxml::startredirection();
1414: }
1415: return $currentstring;
1416: }
1417:
1418: sub end_s {
1419: my ($target,$token) = @_;
1420: my $currentstring = '';
1.325 albertel 1421: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1422: $currentstring .= $token->[2];
1423: } elsif ($target eq 'tex') {
1424: $currentstring=&Apache::lonxml::endredirection();
1425: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1426: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1427: $currentstring=~s/(\S)\s*$/$1\}/;
1428: }
1429: return $currentstring;
1430: }
1431:
1.181 sakharuk 1432: #-- <sub> tag (end tag required)
1.122 albertel 1433: sub start_sub {
1434: my ($target,$token) = @_;
1435: my $currentstring = '';
1.325 albertel 1436: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1437: $currentstring .= $token->[4];
1438: } elsif ($target eq 'tex') {
1.355 foxr 1439: $currentstring .= '\raisebox{-\smallskipamount}{\scriptsize{';
1.122 albertel 1440: }
1441: return $currentstring;
1442: }
1443:
1444: sub end_sub {
1445: my ($target,$token) = @_;
1446: my $currentstring = '';
1.325 albertel 1447: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1448: $currentstring .= $token->[2];
1449: } elsif ($target eq 'tex') {
1.202 sakharuk 1450: $currentstring .= '}}';
1.122 albertel 1451: }
1452: return $currentstring;
1453: }
1454:
1.181 sakharuk 1455: #-- <sup> tag (end tag required)
1.122 albertel 1456: sub start_sup {
1457: my ($target,$token) = @_;
1458: my $currentstring = '';
1.325 albertel 1459: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1460: $currentstring .= $token->[4];
1461: } elsif ($target eq 'tex') {
1.355 foxr 1462: $currentstring .= '\raisebox{\smallskipamount}{\scriptsize{';
1.122 albertel 1463: }
1464: return $currentstring;
1465: }
1466:
1467: sub end_sup {
1468: my ($target,$token) = @_;
1469: my $currentstring = '';
1.325 albertel 1470: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1471: $currentstring .= $token->[2];
1472: } elsif ($target eq 'tex') {
1.202 sakharuk 1473: $currentstring .= '}}';
1.122 albertel 1474: }
1475: return $currentstring;
1476: }
1477:
1.181 sakharuk 1478: #-- <hr> tag (end tag forbidden)
1.122 albertel 1479: sub start_hr {
1.124 sakharuk 1480: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1481: my $currentstring = &end_p(); # End enclosing para.
1.325 albertel 1482: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1483: $currentstring .= $token->[4];
1484: } elsif ($target eq 'tex') {
1.361 foxr 1485:
1486: # <hr /> can't be inside of <sup><sub> thank you LaTeX.
1487: #
1488: my $restart_sub = 0;
1489: my $restart_sup = 0;
1490:
1491: # Since <sub> and <sup> are simple tags it's ok to turn off/on
1492: # using the start_ stop_ functions.. those tags only care about
1493: # $target.
1494:
1495: if (&is_inside_of($tagstack, "sub")) {
1496: $restart_sub = 1;
1497: $currentstring .= &end_sub($target, $token, $tagstack,
1498: $parstack, $parser, $safeeval);
1499: }
1500: if (&is_inside_of($tagstack, "sup")) {
1501: $restart_sup = 1;
1502: $currentstring .= &end_sup($target, $token, $tagstack,
1503: $parstack, $parser, $safeeval);
1504: }
1505:
1.149 sakharuk 1506: my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1.124 sakharuk 1507: if (defined $LaTeXwidth) {
1508: if ($LaTeXwidth=~/^%/) {
1509: substr($LaTeXwidth,0,1)='';
1510: $LaTeXwidth=($LaTeXwidth/100).'\textwidth';
1511: }
1512: } else {
1.148 sakharuk 1513: $LaTeXwidth ='0.9\textwidth';
1.124 sakharuk 1514: }
1515: my ($pre,$post);
1516: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1517: if (($align eq 'center') || (not defined $align)) {
1518: $pre=''; $post='';
1519: } elsif ($align eq 'left') {
1520: $pre='\rlap{'; $post='} \hfill';
1521: } elsif ($align eq 'right') {
1522: $pre=' \hfill \llap{'; $post='}';
1523: }
1.148 sakharuk 1524: $currentstring .= ' \vskip 0 mm \noindent\makebox['.$LaTeXwidth.']{'.$pre.'\makebox['.
1.124 sakharuk 1525: $LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';
1.361 foxr 1526: # Turn stuff back on that we can't be inside of.
1527:
1528: if ($restart_sub) {
1529: $currentstring .= &start_sub($target, $token, $tagstack,
1530: $parstack, $parser, $safeeval);
1531: }
1532: if ($restart_sup) {
1533: $currentstring .= &start_sup($target, $token, $tagstack,
1534: $parstack, $parser, $safeeval);
1535: }
1.122 albertel 1536: }
1537: return $currentstring;
1538: }
1539:
1540: sub end_hr {
1541: my ($target,$token) = @_;
1542: my $currentstring = '';
1.325 albertel 1543: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1544: $currentstring .= $token->[2];
1.148 sakharuk 1545: }
1.122 albertel 1546: return $currentstring;
1547: }
1548:
1.181 sakharuk 1549: #-- <div> tag (end tag required)
1.280 foxr 1550: {
1551:
1552: # Since div can be nested, the stack below is used
1553: # in 'tex' mode to store the ending strings
1554: # for the div stack.
1555:
1556: my @div_end_stack;
1557:
1.122 albertel 1558: sub start_div {
1.280 foxr 1559: my ($target,$token, $tagstack, $parstack, $parser, $safeeval) = @_;
1.279 foxr 1560: my $currentstring = &end_p(); # Close enclosing para.
1.325 albertel 1561: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1562: $currentstring .= $token->[4];
1563: }
1.280 foxr 1564: if ($target eq 'tex') {
1565: # 4 possible alignments: left, right, center, and -missing-.
1.380 foxr 1566: # If inside a table row, we must let the table logic
1567: # do the alignment, however.
1568: #
1.280 foxr 1569:
1570: my $endstring = '';
1571:
1572: my $align = lc(&Apache::lonxml::get_param('align', $parstack,
1573: $safeeval, undef, 1));
1574: if ($align eq 'center') {
1575: $currentstring .= '\begin{center}';
1576: $endstring = '\end{center}';
1.309 albertel 1577: if (&is_inside_of($tagstack, "table")) {
1578: $currentstring = ¢er_correction().$currentstring;
1.380 foxr 1579: $endstring .= ¢er_end_correction();
1.309 albertel 1580: }
1.280 foxr 1581: }
1582: elsif ($align eq 'right') {
1583: $currentstring .= '\begin{flushright}';
1584: $endstring .= '\end{flushright}';
1585: } elsif ($align eq 'left') {
1586: $currentstring .= '\begin{flushleft}';
1587: $endstring = '\end{flushleft}';
1588: } else {
1589:
1590: }
1591: $currentstring .= "\n"; # For human readability.
1592: $endstring = "\n$endstring\n"; # For human readability
1593: push(@div_end_stack, $endstring);
1594: }
1.122 albertel 1595: return $currentstring;
1596: }
1597:
1598: sub end_div {
1599: my ($target,$token) = @_;
1600: my $currentstring = '';
1.325 albertel 1601: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1602: $currentstring .= $token->[2];
1.280 foxr 1603: }
1604: if ($target eq 'tex') {
1605: my $endstring = pop @div_end_stack;
1606: $currentstring .= $endstring;
1607: }
1.122 albertel 1608: return $currentstring;
1609: }
1.280 foxr 1610: }
1.122 albertel 1611:
1.181 sakharuk 1612: #-- <a> tag (end tag required)
1.122 albertel 1613: sub start_a {
1.149 sakharuk 1614: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1615: my $currentstring = '';
1.325 albertel 1616: if ($target eq 'web' || $target eq 'webgrade') {
1.250 albertel 1617: my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval,
1618: undef,1);
1619: $currentstring=&Apache::lonenc::encrypt_ref($token,{'href'=>$href});
1.400 raeburn 1620: if ($href =~ /\S/) {
1621: if ($href !~ m{^https?://}) {
1622: my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'});
1623: my $linkurl;
1624: if ($href =~ m{^/uploaded/}) {
1625: $linkurl = $href;
1626: } elsif ($href =~ m{^[^/]}) {
1627: my $path = $url;
1628: $path =~ s{[^/]*$}{};
1629: $linkurl = $path.$href;
1630: }
1631: if ($linkurl =~ m{^/uploaded/}) {
1632: if (!&Apache::lonnet::allowed('bre',$linkurl)) {
1633: if (&Apache::lonnet::is_on_map($url)) {
1634: &Apache::lonxml::extlink($linkurl);
1635: }
1636: }
1637: }
1638: }
1639: }
1.122 albertel 1640: }
1641: return $currentstring;
1642: }
1643:
1644: sub end_a {
1.168 albertel 1645: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1646: my $currentstring = '';
1.325 albertel 1647: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1648: $currentstring .= $token->[2];
1649: }
1.351 foxr 1650: if ($target eq 'tex') {
1.352 albertel 1651: my $href =
1652: &Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1);
1653: my $name =
1654: &Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1);
1.382 www 1655: my $uriprint =
1656: &Apache::lonxml::get_param('uriprint',$parstack,$safeeval,undef,1);
1657: my $anchorprint =
1658: &Apache::lonxml::get_param('anchorprint',$parstack,$safeeval,undef,1);
1659: if (($href =~ /\S/) && ($uriprint=~/^on|uriprint|yes|1$/i)) {
1.352 albertel 1660: $href =~ s/([^\\])%/$1\\\%/g;
1.365 foxr 1661: # Substitute special symbols... and allow line breaks at each /
1662: #
1663: $href = &Apache::lonxml::latex_special_symbols($href);
1664: $href =~ s/\//\/\\-/g; # Map / to /\- to allow hyphenation.
1665: $currentstring .= ' ({\tt URI:'.$href.'})';
1.382 www 1666: } elsif (($name =~ /\S/) && ($anchorprint=~/^on|anchorprint|yes|1$/i)) {
1.352 albertel 1667: $currentstring .= ' ({\tt Anchor:'.&Apache::lonxml::latex_special_symbols($name).'})';
1.351 foxr 1668: } else {
1669: $currentstring.='';
1670: }
1671: }
1.122 albertel 1672: return $currentstring;
1673: }
1674:
1.181 sakharuk 1675: #-- <li> tag (end tag optional)
1.122 albertel 1676: sub start_li {
1.168 albertel 1677: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1678: my $currentstring = '';
1.325 albertel 1679: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1680: $currentstring = $token->[4];
1681: } elsif ($target eq 'tex') {
1.237 sakharuk 1682: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1683: my $value=&Apache::lonxml::get_param('value',$parstack,$safeeval,undef,0);
1.238 albertel 1684: #FIXME need to support types i and I
1685: if ($type=~/disc/) {
1686: $currentstring .= ' \item[$\bullet$] ';
1687: } elsif ($type=~/circle/) {
1688: $currentstring .= ' \item[$\circ$] ';
1.146 sakharuk 1689: } elsif ($type=~/square/) {
1.238 albertel 1690: $currentstring .= ' \item[$\diamond$] ';
1691: } elsif ($type eq '1') {
1692: $currentstring .= ' \item['.($Apache::londefdef::list_index+1).'.]';
1.237 sakharuk 1693: } elsif ($type eq 'A') {
1.238 albertel 1694: $currentstring .= ' \item['.('A'..'Z')[$Apache::londefdef::list_index].'.]';
1.237 sakharuk 1695: } elsif ($type eq 'a') {
1.238 albertel 1696: $currentstring .= ' \item['.('a'..'z')[$Apache::londefdef::list_index].'.]';
1.237 sakharuk 1697: } elsif ($value ne '') {
1698: $currentstring .= ' \item['.$value.'] ';
1.122 albertel 1699: } else {
1.146 sakharuk 1700: $currentstring .= ' \item ';
1.122 albertel 1701: }
1.238 albertel 1702: $Apache::londefdef::list_index++;
1703: }
1.122 albertel 1704: return $currentstring;
1705: }
1706:
1707: sub end_li {
1708: my ($target,$token) = @_;
1.279 foxr 1709: my $currentstring = &end_p(); # In case there's a <p> in the <li>
1.325 albertel 1710: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 1711: $currentstring .= $token->[2];
1.122 albertel 1712: }
1713: return $currentstring;
1714: }
1715:
1.181 sakharuk 1716: #-- <u> tag (end tag required)
1.122 albertel 1717: sub start_u {
1718: my ($target,$token) = @_;
1719: my $currentstring = '';
1.325 albertel 1720: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1721: $currentstring .= $token->[4];
1722: } elsif ($target eq 'tex') {
1723: &Apache::lonxml::startredirection();
1724: }
1725: return $currentstring;
1726: }
1727:
1728: sub end_u {
1729: my ($target,$token) = @_;
1730: my $currentstring = '';
1.325 albertel 1731: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1732: $currentstring .= $token->[2];
1733: } elsif ($target eq 'tex') {
1734: $currentstring=&Apache::lonxml::endredirection();
1735: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1736: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1737: $currentstring=~s/(\S)\s*$/$1\}/;
1738: }
1739: return $currentstring;
1740: }
1741:
1.181 sakharuk 1742: #-- <ul> tag (end tag required)
1.122 albertel 1743: sub start_ul {
1.125 sakharuk 1744: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1745: my $currentstring = &end_p(); # Close off enclosing list.
1.325 albertel 1746: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 1747: $currentstring .= $token->[4];
1.122 albertel 1748: } elsif ($target eq 'tex') {
1.125 sakharuk 1749: my $TeXtype=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1.238 albertel 1750: $Apache::londefdef::list_index=0;
1.125 sakharuk 1751: if ($TeXtype eq 'disc') {
1.222 sakharuk 1752: $currentstring .= '\renewcommand{\labelitemi}{$\bullet$}'.
1753: '\renewcommand{\labelitemii}{$\bullet$}'.
1754: '\renewcommand{\labelitemiii}{$\bullet$}'.
1755: '\renewcommand{\labelitemiv}{$\bullet$}';
1.125 sakharuk 1756: } elsif ($TeXtype eq 'circle') {
1.222 sakharuk 1757: $currentstring .= '\renewcommand{\labelitemi}{$\circ$}'.
1758: '\renewcommand{\labelitemii}{$\circ$}'.
1759: '\renewcommand{\labelitemiii}{$\circ$}'.
1760: '\renewcommand{\labelitemiv}{$\circ$}';
1.125 sakharuk 1761: } elsif ($TeXtype eq 'square') {
1.222 sakharuk 1762: $currentstring .= '\renewcommand{\labelitemi}{$\diamond$}'.
1763: '\renewcommand{\labelitemii}{$\diamond$}'.
1764: '\renewcommand{\labelitemiii}{$\diamond$}'.
1765: '\renewcommand{\labelitemiv}{$\diamond$}';
1.125 sakharuk 1766: }
1.222 sakharuk 1767: $currentstring .= '\strut \begin{itemize}';
1.122 albertel 1768: }
1769: return $currentstring;
1770: }
1771:
1772: sub end_ul {
1773: my ($target,$token) = @_;
1774: my $currentstring = '';
1.325 albertel 1775: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1776: $currentstring = $token->[2];
1777: } elsif ($target eq 'tex') {
1.222 sakharuk 1778: $currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$}'.
1779: '\renewcommand{\labelitemii}{$\bullet$}'.
1780: '\renewcommand{\labelitemiii}{$\bullet$}'.
1781: '\renewcommand{\labelitemiv}{$\bullet$}\strut ';
1.122 albertel 1782: }
1783: return $currentstring;
1784: }
1785:
1.181 sakharuk 1786: #-- <menu> tag (end tag required)
1.122 albertel 1787: sub start_menu {
1788: my ($target,$token) = @_;
1789: my $currentstring = '';
1.325 albertel 1790: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1791: $currentstring = $token->[4];
1792: } elsif ($target eq 'tex') {
1793: $currentstring = " \\begin{itemize} ";
1794: }
1795: return $currentstring;
1796: }
1797:
1798: sub end_menu {
1799: my ($target,$token) = @_;
1800: my $currentstring = '';
1.325 albertel 1801: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1802: $currentstring = $token->[2];
1803: } elsif ($target eq 'tex') {
1804: $currentstring = " \\end{itemize}";
1805: }
1806: return $currentstring;
1807: }
1808:
1.181 sakharuk 1809: #-- <dir> tag (end tag required)
1.122 albertel 1810: sub start_dir {
1811: my ($target,$token) = @_;
1.279 foxr 1812: my $currentstring = &end_p(); # In case there's a <p> prior to the list.
1.325 albertel 1813: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 1814: $currentstring .= $token->[4];
1.122 albertel 1815: } elsif ($target eq 'tex') {
1.277 foxr 1816: $currentstring .= " \\begin{itemize} ";
1.122 albertel 1817: }
1818: return $currentstring;
1819: }
1820:
1821: sub end_dir {
1822: my ($target,$token) = @_;
1823: my $currentstring = '';
1.325 albertel 1824: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1825: $currentstring = $token->[2];
1826: } elsif ($target eq 'tex') {
1827: $currentstring = " \\end{itemize}";
1828: }
1829: return $currentstring;
1830: }
1831:
1.181 sakharuk 1832: #-- <ol> tag (end tag required)
1.122 albertel 1833: sub start_ol {
1.125 sakharuk 1834: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1835: my $currentstring = &end_p(); # In case there's a <p> prior to the list.
1.325 albertel 1836: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 1837: $currentstring .= $token->[4];
1.122 albertel 1838: } elsif ($target eq 'tex') {
1.238 albertel 1839: $Apache::londefdef::list_index=0;
1.125 sakharuk 1840: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1841: if ($type eq '1') {
1.222 sakharuk 1842: $currentstring .= '\renewcommand{\labelenumi}{\arabic{enumi}.}'.
1843: '\renewcommand{\labelenumii}{\arabic{enumii}.}'.
1844: '\renewcommand{\labelenumiii}{\arabic{enumiii}.}'.
1845: '\renewcommand{\labelenumiv}{\arabic{enumiv}.}';
1.125 sakharuk 1846: } elsif ($type eq 'A') {
1.222 sakharuk 1847: $currentstring .= '\renewcommand{\labelenumi}{\Alph{enumi}.}'.
1848: '\renewcommand{\labelenumii}{\Alph{enumii}.}'.
1849: '\renewcommand{\labelenumiii}{\Alph{enumiii}.}'.
1850: '\renewcommand{\labelenumiv}{\Alph{enumiv}.}';
1.125 sakharuk 1851: } elsif ($type eq 'a') {
1.222 sakharuk 1852: $currentstring .= '\renewcommand{\labelenumi}{\alph{enumi}.}'.
1853: '\renewcommand{\labelenumii}{\alph{enumii}.}'.
1854: '\renewcommand{\labelenumiii}{\alph{enumiii}.}'.
1855: '\renewcommand{\labelenumiv}{\alph{enumiv}.}';
1.125 sakharuk 1856: } elsif ($type eq 'i') {
1.222 sakharuk 1857: $currentstring .= '\renewcommand{\labelenumi}{\roman{enumi}.}'.
1858: '\renewcommand{\labelenumii}{\roman{enumii}.}'.
1859: '\renewcommand{\labelenumiii}{\roman{enumiii}.}'.
1860: '\renewcommand{\labelenumiv}{\roman{enumiv}.}';
1.125 sakharuk 1861: } elsif ($type eq 'I') {
1.222 sakharuk 1862: $currentstring .= '\renewcommand{\labelenumi}{\Roman{enumi}.}'.
1863: '\renewcommand{\labelenumii}{\Roman{enumii}.}'.
1864: '\renewcommand{\labelenumiii}{\Roman{enumiii}.}'.
1865: '\renewcommand{\labelenumiv}{\Roman{enumiv}.}';
1.125 sakharuk 1866: }
1.222 sakharuk 1867: $currentstring .= '\strut \begin{enumerate}';
1.122 albertel 1868: }
1869: return $currentstring;
1870: }
1871:
1872: sub end_ol {
1873: my ($target,$token) = @_;
1874: my $currentstring = '';
1.325 albertel 1875: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1876: $currentstring = $token->[2];
1877: } elsif ($target eq 'tex') {
1.222 sakharuk 1878: $currentstring = '\end{enumerate}\renewcommand{\labelenumi}{\arabic{enumi}.}'.
1879: '\renewcommand{\labelenumii}{\arabic{enumii}.}'.
1880: '\renewcommand{\labelenumiii}{\arabic{enumiii}.}'.
1881: '\renewcommand{\labelenumiv}{\arabic{enumiv}.}\strut ';
1.122 albertel 1882: }
1883: return $currentstring;
1884: }
1885:
1.181 sakharuk 1886: #-- <dl> tag (end tag required)
1.122 albertel 1887: sub start_dl {
1888: my ($target,$token) = @_;
1.279 foxr 1889: my $currentstring = &end_p(); # In case there's a <p> unclosed prior to the list.
1.325 albertel 1890: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 1891: $currentstring .= $token->[4];
1.122 albertel 1892: } elsif ($target eq 'tex') {
1.277 foxr 1893: $currentstring .= '\begin{description}';
1.243 albertel 1894: $Apache::londefdef::DL++;
1895: push(@Apache::londefdef::description,[]);
1896: $Apache::londefdef::DD[$Apache::londefdef::DL]=0;
1897: $Apache::londefdef::DT[$Apache::londefdef::DL]=0;
1.244 albertel 1898: $Apache::londefdef::seenDT[$Apache::londefdef::DL]=0;
1.122 albertel 1899: }
1900: return $currentstring;
1901: }
1902:
1903: sub end_dl {
1.174 sakharuk 1904: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1905: my $currentstring = '';
1.325 albertel 1906: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1907: $currentstring = $token->[2];
1908: } elsif ($target eq 'tex') {
1.243 albertel 1909: if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
1910: if ($Apache::londefdef::DD[-1]) { &end_dd(@_); }
1911: foreach my $element (@{$Apache::londefdef::description[-1]}) {
1.174 sakharuk 1912: $currentstring.=' '.$element.' ';
1913: }
1.243 albertel 1914: pop(@Apache::londefdef::description);
1.174 sakharuk 1915: $currentstring.='\end{description}';
1.243 albertel 1916: delete($Apache::londefdef::DD[$Apache::londefdef::DL]);
1917: delete($Apache::londefdef::DT[$Apache::londefdef::DL]);
1.244 albertel 1918: delete($Apache::londefdef::seenDT[$Apache::londefdef::DL]);
1.243 albertel 1919: $Apache::londefdef::DL--;
1.122 albertel 1920: }
1921: return $currentstring;
1922: }
1923:
1.172 sakharuk 1924: #-- <dt> tag (end tag optional)
1.122 albertel 1925: sub start_dt {
1.172 sakharuk 1926: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1927: my $currentstring='';
1.325 albertel 1928: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1929: $currentstring = $token->[4];
1930: } elsif ($target eq 'tex') {
1.243 albertel 1931: if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
1932: if ($Apache::londefdef::DD[-1]) { &end_dd(@_); }
1.174 sakharuk 1933: &Apache::lonxml::startredirection();
1.243 albertel 1934: $Apache::londefdef::DT[-1]++;
1.244 albertel 1935: $Apache::londefdef::seenDT[-1]=1;
1.122 albertel 1936: }
1937: return $currentstring;
1938: }
1939:
1940: sub end_dt {
1.172 sakharuk 1941: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1942: my $currentstring = '';
1.325 albertel 1943: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1944: $currentstring = $token->[2];
1945: } elsif ($target eq 'tex') {
1.243 albertel 1946: if ($Apache::londefdef::DT[-1]) {
1947: my $data=&item_cleanup();
1.244 albertel 1948: push(@{$Apache::londefdef::description[-1]},'\item['.$data.'] \strut \vskip 0mm');
1.243 albertel 1949: $Apache::londefdef::DT[-1]--;
1950: }
1.122 albertel 1951: }
1952: return $currentstring;
1953: }
1954:
1.173 sakharuk 1955: sub item_cleanup {
1.174 sakharuk 1956: my $item=&Apache::lonxml::endredirection();
1.173 sakharuk 1957: $item=~s/\\begin{center}//g;
1958: $item=~s/\\end{center}//g;
1959: return $item;
1960: }
1961:
1.181 sakharuk 1962: #-- <dd> tag (end tag optional)
1.122 albertel 1963: sub start_dd {
1.147 sakharuk 1964: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1965: my $currentstring = '';
1.325 albertel 1966: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1967: $currentstring = $token->[4];
1.147 sakharuk 1968: } elsif ($target eq 'tex') {
1.243 albertel 1969: if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
1970: if ($Apache::londefdef::DD[-1]) { &end_dd(@_);}
1.244 albertel 1971: if (!$Apache::londefdef::seenDT[-1]) {
1972: push(@{$Apache::londefdef::description[-1]},'\item[\strut] \strut \vskip 0mm ');
1973: }
1.243 albertel 1974: push(@{$Apache::londefdef::description[-1]},'');
1975: $Apache::londefdef::description[-1]->[-1].=' \strut ';
1976: $Apache::londefdef::DD[-1]++;
1.174 sakharuk 1977: &Apache::lonxml::startredirection();
1.122 albertel 1978: }
1979: return $currentstring;
1980: }
1981:
1982: sub end_dd {
1.174 sakharuk 1983: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1984: my $currentstring = '';
1.325 albertel 1985: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1986: $currentstring = $token->[2];
1.174 sakharuk 1987: } elsif ($target eq 'tex') {
1.243 albertel 1988: $Apache::londefdef::description[-1]->[-1].=
1989: &Apache::lonxml::endredirection().' \vskip 0mm ';
1990: $Apache::londefdef::DD[-1]--;
1.174 sakharuk 1991: }
1.122 albertel 1992: return $currentstring;
1993: }
1994:
1.181 sakharuk 1995: #-- <table> tag (end tag required)
1.277 foxr 1996: # <table> also ends any prior <p> that is not closed.
1997: # but, unless I allow <p>'s to nest, that's the
1998: # only way I could think of to allow <p> in
1999: # <tr> <th> bodies
2000: #
1.398 foxr 2001: #list of supported attributes: border,width,TeXwidth,TeXtheme
2002: # align
1.91 sakharuk 2003: sub start_table {
2004: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.277 foxr 2005: my $textwidth = '';
1.279 foxr 2006: my $currentstring = &end_p();
1.325 albertel 2007: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 2008: $currentstring .= $token->[4];
1.91 sakharuk 2009: } elsif ($target eq 'tex') {
1.396 foxr 2010: &disable_para(); # Can't have paras in a table.
1.398 foxr 2011:
2012:
2013: # New table code:
2014:
2015: # Get the parameters that we can do something about:
2016:
2017: my $border = &Apache::lonxml::get_param('border', $parstack, $safeeval, undef, 0);
2018: my $width = &Apache::lonxml::get_param('TeXwidth', $parstack, $safeeval, undef, 0);
2019: my $theme = &Apache::lonxml::get_param('TeXtheme', $parstack, $safeeval, undef, 0);
2020: my $align = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef, 0);
1.403.4.2! raeburn 2021: my $cell_border = &Apache::lonxml::get_param('rules', $parstack, $safeeval, undef, 0);
1.398 foxr 2022:
2023: # The only thing that needs any figuring out is the width.. and then only if it is
2024: # a percent. If not it's assumed to be some valid TeX measurement unit e.g. 3.0cm
2025: #
2026:
2027: my $table = new Apache::lontable();
1.403.4.2! raeburn 2028: if ((defined $border) && ($border > 0)) {
! 2029: # &Apache::lonnet::logthis("Turning on table borders: $border");
! 2030: $table->table_border(1);
! 2031: if ($cell_border ne 'none') {
! 2032: $table->cell_border(1); # html specs that border turns on both...unless rules='none'.
! 2033: }
! 2034: }
! 2035: # Only all or nothing for cell borders for now:
! 2036:
! 2037: if ((defined $cell_border) && ($cell_border ne 'none')) {
! 2038: # &Apache::lonnet::logthis("Turning on cell borders: $cell_border");
! 2039: $table->cell_border(1);
! 2040: }
! 2041: if (defined $theme) {
1.398 foxr 2042: $table->theme($theme);
2043: }
1.403.4.2! raeburn 2044: if (defined $align) {
1.398 foxr 2045: $table->alignment($align);
2046: }
2047:
2048: # Missing width is most of page width
2049:
1.403.4.2! raeburn 2050: if (!(defined $width)) {
1.398 foxr 2051: $width = '70%';
2052: }
1.403.4.2! raeburn 2053:
1.398 foxr 2054: # If a percentage, need to calculate what this means in terms of
2055: # page width:
2056:
2057: if ($width =~ /%$/) {
2058: my $textwidth = &recalc($env{'form.textwidth'}); # Page width in mm.
2059: $width =~ s/%//;
2060: $width = $width * $textwidth / 100.0;
2061: $width .= " mm";
2062: $table->width($width);
2063: }
2064:
2065: push(@Apache::londefdef::table, $table);
2066: $currentstring.=' \keephidden{NEW TABLE ENTRY}';
2067:
2068: #--------------------------------------------------------
2069: # Old table code here.
2070: #--------------------------------------------------------
2071:
2072:
2073: if (0) {
1.344 albertel 2074: push(@Apache::londefdef::table, {});
1.91 sakharuk 2075: $Apache::londefdef::table[-1]{'row_number'} = -1;
1.222 sakharuk 2076: #maximum table's width (default coincides with text line length)
1.206 sakharuk 2077: if ($#Apache::londefdef::table==0) {
1.267 albertel 2078: $textwidth=&recalc($env{'form.textwidth'}); #result is always in mm
1.206 sakharuk 2079: $textwidth=~/(\d+\.?\d*)/;
1.358 foxr 2080: $textwidth=0.85*$1; #accounts "internal" LaTeX space for table frame
1.206 sakharuk 2081: } else {
2082: if ($Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}]=~/\d/) {
2083: #the maximum width of nested table is determined by LATeX width of parent cell
2084: $textwidth=$Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}];
2085: } else {
2086: #try to use all space not used before (minus 5% for LaTeX table internal) - rather silly
1.228 sakharuk 2087: $textwidth=$Apache::londefdef::table[-2]{'width'};
1.206 sakharuk 2088: for (my $i=0;$i<$Apache::londefdef::table[-2]{'counter_columns'};$i++) {
2089: $textwidth=$textwidth-$Apache::londefdef::table[-2]{'TeXlen'}[0][$i];
2090: }
2091: }
2092: }
1.294 foxr 2093:
2094: # width either comes forced from the TeXwidth or the width parameters.
2095: # in either case it can be a percentage or absolute width.
1.311 albertel 2096: # in the width case we ignore absolute width
1.126 sakharuk 2097: my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1.308 albertel 2098: if (!defined($TeXwidth)) {
1.311 albertel 2099: my $htmlwidth = &Apache::lonxml::get_param('width',$parstack,
2100: $safeeval,undef,1);
2101: if ($htmlwidth =~ /%/) {
2102: $TeXwidth = $htmlwidth;
2103: } else {
2104: $TeXwidth = $textwidth;
2105: }
1.364 foxr 2106: }
2107: # if the width is specified as a % it is converted to an absolute width.
2108: # otherwise.. just plugged right in the hash
2109:
1.294 foxr 2110: if ($TeXwidth=~/%/) {
1.126 sakharuk 2111: $TeXwidth=~/(\d+)/;
1.206 sakharuk 2112: $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;
1.126 sakharuk 2113: } else {
1.206 sakharuk 2114: $Apache::londefdef::table[-1]{'width'}=$TeXwidth;
1.316 foxr 2115: }
2116: # In the end, however the table width cannot be wider than $textwidth...
2117:
2118: if ($Apache::londefdef::table[-1]{'width'} > $textwidth) {
2119: $Apache::londefdef::table[-1]{'width'} = $textwidth;
2120: }
1.126 sakharuk 2121: #table's border
1.206 sakharuk 2122: my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval);
1.208 sakharuk 2123: my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
1.91 sakharuk 2124: unless (defined $border) { $border = 0; }
2125: if ($border) {
2126: $Apache::londefdef::table[-1]{'hinc'} = '\hline ';
2127: $Apache::londefdef::table[-1]{'vinc'} = '&';
2128: $Apache::londefdef::table[-1]{'vvinc'} = '|';
2129: } else {
2130: $Apache::londefdef::table[-1]{'hinc'} = '';
2131: $Apache::londefdef::table[-1]{'vinc'} = '&';
2132: $Apache::londefdef::table[-1]{'vvinc'} = '';
2133: }
1.206 sakharuk 2134: if ($#Apache::londefdef::table==0) {
1.281 foxr 2135: # Note that \newline seems to destroy the alignment envs.
2136: # $Apache::londefdef::table[-1]{'output'}='\strut\newline\strut\setlength{\tabcolsep}{1 mm}';
2137: $Apache::londefdef::table[-1]{'output'}='\strut'.'\\\\'."\n".'\strut\setlength{\tabcolsep}{1 mm}';
1.206 sakharuk 2138: }
2139: $Apache::londefdef::table[-1]{'output'}.=' \noindent \begin{tabular} ';
2140: $Apache::londefdef::table[-1]{'TeXlen'}=[];
2141: $Apache::londefdef::table[-1]{'objectlen'}=[];
1.229 sakharuk 2142: $Apache::londefdef::table[-1]{'objectsignal'}=[];
1.206 sakharuk 2143: $Apache::londefdef::table[-1]{'maxlen'}=[];
2144: $Apache::londefdef::table[-1]{'minlen'}=[];
2145: $Apache::londefdef::table[-1]{'content'}=[];
2146: $Apache::londefdef::table[-1]{'align'}=[];
1.340 foxr 2147: $currentstring.=' \keephidden{NEW TABLE ENTRY}';
1.398 foxr 2148: }
1.294 foxr 2149:
2150: }
1.91 sakharuk 2151: return $currentstring;
2152: }
1.122 albertel 2153:
2154: sub end_table {
2155: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2156: my $currentstring = '';
1.325 albertel 2157: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2158: $currentstring = $token->[2];
2159: } elsif ($target eq 'tex') {
1.398 foxr 2160:
2161:
2162: # New table code:
2163:
2164: my $table = pop(@Apache::londefdef::table);
2165: my $t = $table->generate();
2166: $currentstring = $t->generate_string();
2167: &enable_para();
2168: #--------------------------------------------------------------
2169: # Old table code:
2170: #--------------------------------------------------------------
2171:
2172: if (0) {
2173:
1.372 foxr 2174: my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval);
1.122 albertel 2175: my $inmemory = '';
2176: my $output = '';
1.206 sakharuk 2177: my $WARNING='';
2178: #width of columns from TeXwidth attributes
1.294 foxr 2179:
1.384 foxr 2180: # Protect against unbalanced </table> tag.
2181:
2182: if (scalar(@Apache::londefdef::table) > 0) {
2183:
1.206 sakharuk 2184: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2185: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
2186: if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]<$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn]) {
2187: $Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]=$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn];
2188: }
2189: }
2190: }
2191: #free space and number of empty columns
2192: my ($available_space,$empty_columns)=($Apache::londefdef::table[-1]{'width'},0);
1.228 sakharuk 2193: if ($#Apache::londefdef::table ne 0) {$available_space=0.9*$available_space;}
1.206 sakharuk 2194: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
2195: if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]==0) {
2196: $empty_columns++;
2197: } else {
2198: $available_space=$available_space-$Apache::londefdef::table[-1]{'TeXlen'}[0][$jn];
2199: }
2200: }
1.358 foxr 2201:
1.206 sakharuk 2202: #boundaries for contents columns
2203: my @min_len=();#columns can not be narrower
2204: my @max_len=();#maximum length of column
1.357 foxr 2205: my $avg_max;
2206: my $avg_min;
2207: my $counter_cols = $Apache::londefdef::table[-1]{'counter_columns'};
2208: for (my $jn=0;$jn<=$counter_cols; $jn++) {
1.206 sakharuk 2209: my ($localmin,$localmax)=(0,0);
2210: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2211: if ($localmin<$Apache::londefdef::table[-1]{'minlen'}[$in][$jn]) {
2212: $localmin=$Apache::londefdef::table[-1]{'minlen'}[$in][$jn];
2213: }
2214: if ($localmax<$Apache::londefdef::table[-1]{'maxlen'}[$in][$jn]) {
2215: $localmax=$Apache::londefdef::table[-1]{'maxlen'}[$in][$jn];
2216: }
2217: }
2218: push @min_len, $localmin;
2219: push @max_len, $localmax;
1.357 foxr 2220: $avg_max = $localmax + $avg_max;
2221: $avg_min = $localmin + $avg_min;
2222: }
2223: # Does not really matter what the average max/min are if there are no cols.
2224: # and this prevents div 0 in that case.
2225:
2226: if ($counter_cols != 0) {
2227: $avg_max = $avg_max/$counter_cols;
2228: $avg_min = $avg_min/$counter_cols;
2229: }
2230:
2231:
2232: # I don't think the below is needed.. but just in case:
2233:
2234: if ($avg_min > $avg_max) {
2235: my $temp = $avg_min;
2236: $avg_min = $avg_max;
2237: $avg_max = $temp;
1.122 albertel 2238: }
1.357 foxr 2239:
2240:
2241: for (my $jn=0;$jn<=$counter_cols;$jn++) {
1.206 sakharuk 2242: my $localmin=0,;
2243: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2244: if ($localmin<$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn]) {
2245: $localmin=$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn];
2246: }
2247: }
1.229 sakharuk 2248: if ($max_len[$jn]<$localmin) {
2249: $max_len[$jn]=$localmin;
2250: $Apache::londefdef::table[-1]{'objectsignal'}[$jn]=1;
2251: }#object size is bigger
2252: if ($min_len[$jn]<$localmin) {
2253: $min_len[$jn]=$localmin;
2254: $Apache::londefdef::table[-1]{'objectsignal'}[$jn]=1;
2255: }#object size is bigger
1.206 sakharuk 2256: if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]!=0) {
2257: $min_len[$jn]=0;
2258: $max_len[$jn]=0;
2259: }
1.357 foxr 2260: # Spans seem to be really bothered by max/min = 0. So if we have one
2261: # make it an average joe max/min.
2262:
2263: if ($max_len[$jn] == 0) {
2264: $max_len[$jn] = $avg_max;
2265: }
2266: if ($min_len[$jn] == 0) {
2267: $min_len[$jn] = $avg_min;
2268: }
2269:
1.206 sakharuk 2270: }
2271: #final adjustment of column width
2272: my @fwidth=@{$Apache::londefdef::table[-1]{'TeXlen'}[0]};#final width array
2273: my @adjust=();
2274: #step 1. adjustment by maximum value
1.370 albertel 2275: my $space_needed=0;
1.206 sakharuk 2276: for (my $jn=0;$jn<=$#max_len;$jn++) {
1.370 albertel 2277: $space_needed=$space_needed+$max_len[$jn];
1.206 sakharuk 2278: }
1.370 albertel 2279: if ($space_needed<=$available_space) {
1.362 foxr 2280:
1.206 sakharuk 2281: for (my $jn=0;$jn<=$#max_len;$jn++) {
2282: if ($fwidth[$jn]==0) {
2283: $fwidth[$jn]=$max_len[$jn];
1.53 sakharuk 2284: }
1.51 sakharuk 2285: }
1.206 sakharuk 2286: } else {
2287: #step 2. adjustment by minimum value (estimation)
1.370 albertel 2288: $space_needed=0;
1.206 sakharuk 2289: for (my $jn=0;$jn<=$#min_len;$jn++) {
1.370 albertel 2290: $space_needed+=$min_len[$jn];
1.206 sakharuk 2291: }
1.370 albertel 2292: if ($space_needed>$available_space) {
1.206 sakharuk 2293: $WARNING=' \textbf{NOT ENOUGH SPACE FOR TABLE} ';
2294: for (my $jn=0;$jn<=$#max_len;$jn++) {
2295: if ($fwidth[$jn]==0) {
2296: $fwidth[$jn]=$min_len[$jn];
2297: }
2298: }
1.229 sakharuk 2299: #check if we have objects which can be scaled
2300: my $how_many_to_scale=0;
2301: my @to_scale=();
2302: for (my $jn=0;$jn<=$#max_len;$jn++) {
2303: if ($Apache::londefdef::table[-1]{'objectsignal'}[$jn] eq '1') {
2304: $how_many_to_scale++;
2305: push @to_scale, $jn;
2306: }
2307: }
2308: if ($how_many_to_scale>0) {
1.370 albertel 2309: my $space_to_adjust=($space_needed-$available_space)/$how_many_to_scale;
1.229 sakharuk 2310: foreach my $jn (@to_scale) {
2311: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2312: $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/;
2313: if ($1 ne '') {
2314: my $current_length=&recalc($1);
2315: $current_length=~/(\d+\.?\d*)/;
2316: $current_length=$current_length-$space_to_adjust;
2317: $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/width=$current_length mm/;
2318: }
2319: $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/\[(\d+\.?\d*)\s*mm\]/;
2320: if ($1 ne '') {
2321: my $current_length=$1;
2322: $current_length=$current_length-$space_to_adjust;
2323: $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~s/\[(\d+\.?\d*)\s*mm\]/\[$current_length mm\]/;
2324: }
2325: }
2326: $fwidth[$jn]=$fwidth[$jn]-$space_to_adjust;
2327: }
2328: }
1.206 sakharuk 2329: } else {
2330: #step 3. adjustment over minimal + corrections
1.370 albertel 2331: my $enlarge_coef=$available_space/$space_needed;
1.206 sakharuk 2332: my $acsessive=0;
2333: for (my $jn=0;$jn<=$#min_len;$jn++) {
2334: $adjust[$jn]=$min_len[$jn]*$enlarge_coef;
2335: if ($adjust[$jn]>$max_len[$jn]) {
2336: $fwidth[$jn]=$max_len[$jn];
2337: $acsessive=$acsessive+$adjust[$jn]-$max_len[$jn];
2338: $adjust[$jn]=0;
1.357 foxr 2339:
1.206 sakharuk 2340: }
2341: }
2342: if ($acsessive>0) {
2343: #we have an excess of space and can redistribute it
2344: my $notempty_columns=0;
2345: for (my $jn=0;$jn<=$#min_len;$jn++) {
2346: if ($adjust[$jn]!=0) {
2347: $notempty_columns++;
2348: }
2349: }
2350: my $per_column=$acsessive/$notempty_columns;
2351: for (my $jn=0;$jn<=$#min_len;$jn++) {
2352: if ($adjust[$jn]!=0) {
2353: $adjust[$jn]+=$per_column;
2354: $fwidth[$jn]=$adjust[$jn];
2355: }
1.223 sakharuk 2356: }
2357: } else {
2358: for (my $jn=0;$jn<=$#min_len;$jn++) {
2359: $fwidth[$jn]=$adjust[$jn];
1.206 sakharuk 2360: }
2361: }
1.203 sakharuk 2362: }
2363: }
1.364 foxr 2364: # use all available width or specified width as if not specified,
2365: # the specified width gets defaulted to the available width.
2366:
2367: my $current=0;
2368: for (my $i=0;$i<=$#fwidth;$i++) {
2369: $current+=$fwidth[$i];
2370: }
1.371 albertel 2371: if ($current == 0) {
2372: $current = $Apache::londefdef::table[-1]{'width'};
2373: }
1.364 foxr 2374: my $coef=$Apache::londefdef::table[-1]{'width'}/$current;
2375: for (my $i=0;$i<=$#fwidth;$i++) {
2376: $fwidth[$i]*=$coef;
1.206 sakharuk 2377: }
2378: #removing of empty columns if allowed
1.208 sakharuk 2379: my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
1.206 sakharuk 2380: if ($permission eq 'yes') {
2381: my @cleaned_table=();
2382: my @cleaned_header=();
2383: my $colind=0;
2384: for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {
2385: if ($fwidth[$jn]!=0) {
2386: #we need to copy column
2387: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
2388: $cleaned_table[$in][$colind]=$Apache::londefdef::table[-1]{'content'}[$in][$jn];
2389: $cleaned_header[$colind]=$fwidth[$jn];
2390: }
2391: $colind++;
2392: }
1.122 albertel 2393: }
1.206 sakharuk 2394: $Apache::londefdef::table[-1]{'content'}=\@cleaned_table;
2395: @fwidth=@cleaned_header;
1.122 albertel 2396: }
1.359 foxr 2397:
1.358 foxr 2398:
1.206 sakharuk 2399: #construct header of the table
2400: my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
2401: for (my $in=0;$in<=$#fwidth;$in++) {
2402: $header_of_table.='p{'.$fwidth[$in].' mm}'.$Apache::londefdef::table[-1]{'vvinc'};
2403: }
2404: $header_of_table .= '}';
1.357 foxr 2405:
1.126 sakharuk 2406: #fill the table
2407: for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
1.306 foxr 2408: my $have_rowspan = 0;
1.206 sakharuk 2409: for (my $jn=0;$jn<=$#fwidth;$jn++) {
1.320 foxr 2410:
2411: #-----------------------------------------------------------
2412: # I think this order of doing things will ensure that
2413: # single rowspan, columspan and combined row/colspans will
2414: # work correctly. LaTeX is delicate here.
2415: # RF.
1.356 foxr 2416:
1.320 foxr 2417: # Start a rowspan if necessary:
1.356 foxr 2418:
2419: my $primary_col_width = $fwidth[$jn]; # Width of primary column.
1.320 foxr 2420: my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn];
2421: my $colspan = $Apache::londefdef::table[-1]{'colspan'}[$in][$jn];
1.304 foxr 2422: #
2423: # Do the appropriate magic if this has a colspan
2424: #
1.356 foxr 2425:
1.372 foxr 2426: my $border_char = "";
2427: if ($border) {
2428: $border_char = "|";
2429: }
1.356 foxr 2430: my $spanwidth = 0;
1.304 foxr 2431: if ($colspan > 1) {
1.336 foxr 2432: for (my $spancol = $jn; $spancol < $jn + $colspan; $spancol++) {
2433: $spanwidth += $fwidth[$spancol];
2434: }
1.304 foxr 2435: $output .= '\multicolumn{'.
2436: $colspan
1.337 foxr 2437: ."}";
2438: if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
1.372 foxr 2439: $output .= '{'.$border_char.'c'.$border_char.'}{';
1.337 foxr 2440: } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
1.372 foxr 2441: $output .= '{'.$border_char.'r'.$border_char.'}{';
1.337 foxr 2442: }
2443: else {
1.372 foxr 2444: $output .= '{'.$border_char."p{$spanwidth mm}".$border_char.'}{';
1.337 foxr 2445: }
1.356 foxr 2446:
2447: } else {
2448: $spanwidth = $primary_col_width; # If no span width will be just colwidth
1.304 foxr 2449: }
1.306 foxr 2450:
1.337 foxr 2451: # Rowspan... if colspan is 1, and there's an alignment we'll need
2452: # to kick in a multicolumn in order to get the alignment spec.
2453: # this must precede the multirow or LaTex gets quite upset.
2454: # Naturally if colspan > 1 we've already done that above ^
2455: #
2456: my $multirow_aligned = 0;
1.306 foxr 2457: if ($rowspan > 1) {
1.337 foxr 2458: if ($colspan == 1) {
2459: if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
1.372 foxr 2460: $output .= '\multicolumn{1}{'.$border_char.'c'.$border_char.'}{';
1.337 foxr 2461: $multirow_aligned = 1;
2462: } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
1.372 foxr 2463: $output .= '\multicolumn{1}{'.$border_char.'r'.$border_char.'}{';
1.337 foxr 2464: $multirow_aligned = 1;
2465: }
2466: }
1.306 foxr 2467: $have_rowspan++;
1.356 foxr 2468: if ($multirow_aligned) {
2469: $output .= '\multirow{'.$rowspan.'}[0]{*}{';
2470: } else {
2471: $output .= '\multirow{'.$rowspan."}[0]{$spanwidth mm}{";
2472: }
1.350 albertel 2473:
2474: $Apache::londefdef::table[-1]{'content'}[$in][$jn] =~
2475: s{^\s*\\par\s*}{};
2476: $Apache::londefdef::table[-1]{'content'}[$in][$jn] =~
2477: s{\s*\\vskip\s*0pt\s*$}{};
1.356 foxr 2478:
1.337 foxr 2479: #
2480: # If we did not throw in a multicolumn to align, then add
2481: # an extra {
2482: # so we close correctly without having to keep additional state
2483: # around
2484: #
2485: if (!$multirow_aligned) {
2486: $output .= '{';
2487: }
1.306 foxr 2488: }
2489: if (($rowspan eq '^') || ($rowspan eq '_')) {
2490: $have_rowspan++;
2491: }
1.356 foxr 2492: #--------------------------------------------------------------
1.306 foxr 2493:
1.337 foxr 2494:
2495: # For right and center alignment of single cells.
2496: # we are going to use a multicolumn with a span of 1 to specify alignment.
2497: #
2498: if ($colspan == 1 && $rowspan == 1) {
2499: if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
1.372 foxr 2500: $output .= '\multicolumn{1}{'.$border_char.'c'.$border_char.'}{';
1.337 foxr 2501: } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
1.372 foxr 2502: $output .= '\multicolumn{1}{'.$border_char.'r'.$border_char.'}{';
1.337 foxr 2503: }
1.206 sakharuk 2504: }
1.337 foxr 2505:
1.206 sakharuk 2506: $output.=$Apache::londefdef::table[-1]{'content'}[$in][$jn];
1.337 foxr 2507:
2508: if (($colspan == 1 && $rowspan == 1) &&
2509: (($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') ||
2510: ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r'))) {
2511: $output .= '}';
1.206 sakharuk 2512: }
1.337 foxr 2513:
1.306 foxr 2514: # Close off any open multirow:
2515:
2516: if ($rowspan > 1) {
1.337 foxr 2517: $output .= '}}';
1.306 foxr 2518: }
1.304 foxr 2519: # Close off the colspan...
2520: #
2521: if ($colspan > 1) {
2522: $output .= '}';
2523: $jn += $colspan-1; # Adjust for number of rows really left.
2524: }
1.206 sakharuk 2525: if ($jn!=$#fwidth) {$output.=' '.$Apache::londefdef::table[-1]{'vinc'};}
2526: }
1.306 foxr 2527: # If have_rowspan > 0, and borders are on, then
2528: # we need to do more than put an \hline at the bottom of row.
2529: # we need to do the appropriate \cline to ensure that
2530: # the spanned rows don't have \hlines through them.
2531:
2532: if (($Apache::londefdef::table[-1]{'hinc'} =~ /\\hline/) && $have_rowspan) {
2533: $output .= ' \\\\ ';
2534: for (my $jn=0; $jn<=$#fwidth;$jn++) {
2535: my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn];
1.320 foxr 2536: if ($rowspan ne "^") {
2537: if (($rowspan <= 1) || ($rowspan eq '_')) {
2538: my $column = $jn+1;
2539: $output .= '\cline{'.$column.'-'.$column.'} ';
2540: }
1.306 foxr 2541: }
2542: }
2543:
2544: } else {
2545: $output.=' \\\\ '.$Apache::londefdef::table[-1]{'hinc'}.' ';
2546: }
1.122 albertel 2547: }
1.281 foxr 2548: # Note that \newline destroys alignment env's produced by e.g. <div>
2549: # $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut\newline\strut ';
2550: $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut'.'\\\\'."\n".'\strut ';
1.127 sakharuk 2551: if ($#Apache::londefdef::table > 0) {
2552: my $inmemory = $Apache::londefdef::table[-1]{'output'};
1.294 foxr 2553: # Figure out max/and min width by summing us and then
2554: # apply that to the current column of the table we nest in
2555: # if it's larger than the current width or the current width
2556: # is undefined.
2557: #
2558: my $min_nested_width = 0;
2559: my $max_nested_width = 0;
2560: for (my $col = 0; $col <= $Apache::londefdef::table[-1]{'counter_columns'}; $col++) {
2561: $min_nested_width += $min_len[$col];
2562: $max_nested_width += $max_len[$col];
1.300 foxr 2563:
1.294 foxr 2564: }
2565: # Fudge in an extra 5 mm for borders etc:
2566:
2567: $min_nested_width += 5;
2568: $max_nested_width += 5;
2569:
2570: my $outer_column = $Apache::londefdef::table[-2]{'counter_columns'};
2571: my $outer_row = $Apache::londefdef::table[-2]{'row_number'};
2572: if ($min_nested_width > $Apache::londefdef::table[-2]{'minlen'}[$outer_row][$outer_column]) {
2573: $Apache::londefdef::table[-2]{'minlen'}[$outer_row][$outer_column] = $min_nested_width;
2574: }
2575: if ($max_nested_width > $Apache::londefdef::table[-2]{'maxlen'}[$outer_row][$outer_column]) {
2576: $Apache::londefdef::table[-2]{'maxlen'}[$outer_row][$outer_column] = $max_nested_width;
2577: }
2578:
1.127 sakharuk 2579: pop @Apache::londefdef::table;
1.129 sakharuk 2580: push @{$Apache::londefdef::table[-1]{'include'}}, $inmemory;
1.127 sakharuk 2581: } else {
2582: $currentstring .= $Apache::londefdef::table[-1]{'output'};
2583: pop @Apache::londefdef::table;
1.143 sakharuk 2584: undef @Apache::londefdef::table;
1.127 sakharuk 2585: }
1.396 foxr 2586: }
2587: &enable_para();
1.384 foxr 2588: }
1.398 foxr 2589: }
1.122 albertel 2590: return $currentstring;
2591: }
2592:
1.166 sakharuk 2593: #-- <tr> tag (end tag optional)
1.122 albertel 2594: sub start_tr {
2595: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2596: my $currentstring = '';
1.325 albertel 2597: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2598: $currentstring = $token->[4];
2599: } elsif ($target eq 'tex') {
1.398 foxr 2600:
2601: my $align = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef, 1);
2602: $Apache::londefdef::table[-1]->start_row();
2603:
2604: if ($align ne '') {
2605: $Apache::londefdef::table[-1]->configure_row({default_halign => $align});
2606: }
2607:
2608: #---------------------------------------------------------------
2609: # Old table code.
2610: #---------------------------------------------------------------
2611:
2612: if (0) {
1.122 albertel 2613: $Apache::londefdef::table[-1]{'row_number'}++;
1.206 sakharuk 2614: my $alignchar=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.122 albertel 2615: if ($alignchar ne '') {
1.206 sakharuk 2616: push @ {$Apache::londefdef::table[-1]{'rows'} },substr($alignchar,0,1);
1.122 albertel 2617: } else {
2618: push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
2619: }
2620: push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
1.300 foxr 2621: #
2622: # Need to save the number of table columns to preserve the max # columns.
2623: #
2624: $Apache::londefdef::table[-1]{'prior_columns'} = $Apache::londefdef::table[-1]{'counter_columns'};
1.122 albertel 2625: $Apache::londefdef::table[-1]{'counter_columns'} = -1;
1.206 sakharuk 2626: push @ {$Apache::londefdef::table[-1]{'TeXlen'}}, [];
2627: push @ {$Apache::londefdef::table[-1]{'objectlen'}}, [];
2628: push @ {$Apache::londefdef::table[-1]{'minlen'}}, [];
2629: push @ {$Apache::londefdef::table[-1]{'maxlen'}}, [];
2630: push @ {$Apache::londefdef::table[-1]{'content'}}, [];
1.398 foxr 2631: }
1.122 albertel 2632: }
2633: return $currentstring;
2634: }
2635:
2636: sub end_tr {
1.160 sakharuk 2637: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 2638: my $currentstring = &end_p(); # Close any pending <p> in the row.
1.325 albertel 2639: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 2640: $currentstring .= $token->[2];
1.122 albertel 2641: } elsif ($target eq 'tex') {
1.398 foxr 2642:
2643: # In case the user is missing a </td> or </th> tag:
2644:
2645: if ($Apache::londefdef::TD_redirection) {
2646: &end_td_tex($parstack,$parser,$safeeval);
2647: }
2648: $Apache::londefdef::table[-1]->end_row();
2649:
2650: #-----------------------------------------------
2651: # Old table code
2652: #-----------------------------------------------
2653:
2654: if (0) {
1.160 sakharuk 2655: if ($Apache::londefdef::TD_redirection) {
2656: &end_td_tex($parstack,$parser,$safeeval);
2657: }
1.300 foxr 2658: # Counter columns must be the maximum number of columns seen
2659: # in the table so far so:
2660: if ($Apache::londefdef::table[-1]{'prior_columns'} > $Apache::londefdef::table[-1]{'counter_columns'}) {
2661: $Apache::londefdef::table[-1]{'counter_columns'} = $Apache::londefdef::table[-1]{'prior_columns'};
2662: }
1.398 foxr 2663: }
1.295 foxr 2664:
1.294 foxr 2665:
1.122 albertel 2666: }
2667: return $currentstring;
2668: }
2669:
1.166 sakharuk 2670: #-- <td> tag (end tag optional)
1.122 albertel 2671: sub start_td {
2672: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2673: my $currentstring = '';
1.325 albertel 2674: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2675: $currentstring = $token->[4];
2676: } elsif ($target eq 'tex') {
1.160 sakharuk 2677: $Apache::londefdef::TD_redirection = 1;
1.159 sakharuk 2678: &tag_check('tr','td',$tagstack,$parstack,$parser,$safeeval);
1.122 albertel 2679: }
2680: return $currentstring;
2681: }
1.159 sakharuk 2682:
2683: sub tag_check {
2684: my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_;
1.160 sakharuk 2685: my @ar=@$parstack;
2686: for (my $i=$#ar-1;$i>=0;$i--) {
2687: if (lc($$tagstack[$i]) eq $good_tag) {
2688: &start_td_tex($parstack,$parser,$safeeval);
2689: last;
2690: } elsif (lc($$tagstack[$i]) eq $bad_tag) {
2691: splice @ar, $i+1;
2692: &end_td_tex(\@ar,$parser,$safeeval);
2693: &start_td_tex($parstack,$parser,$safeeval);
2694: last;
1.159 sakharuk 2695: }
1.160 sakharuk 2696: }
1.159 sakharuk 2697: return '';
2698: }
1.398 foxr 2699:
2700: #
2701: # Factor out cell configuration hash generation:
2702: #
2703:
2704: sub cell_config_hash {
2705: my ($align, $rowspan, $colspan) = @_;
2706: my %config;
2707: if ($align ne '') {
2708: $config{'halign'} = $align;
2709: }
2710: if ($colspan ne "") {
2711: $config{'colspan'} = $colspan;
2712: }
2713: if ($rowspan ne '') {
2714: $config{'rowspan'} = $rowspan;
2715: }
2716: return \%config;
2717: }
1.159 sakharuk 2718:
2719: sub start_td_tex {
2720: my ($parstack,$parser,$safeeval) = @_;
1.398 foxr 2721:
2722: # At this stage, an empty cell is created with the
2723: # appropriate rowspan/colspan and alignment
2724: # attributes, but empty of text. end_td_tex will
2725: # fetch the contents from the recursive parse and
2726: # fill the cell with them:
2727: my $align = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef, 1);
2728: my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 1);
2729: my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 1);
2730:
2731: my $config = &cell_config_hash($align, $rowspan, $colspan);
2732:
2733: my $table = $Apache::londefdef::table[-1];
2734: $table->add_cell('', $config);
2735:
2736:
2737: #------------------------------------------------
2738: # Old table code.
2739: #------------------------------------------------
2740:
2741: if (0) {
2742:
1.206 sakharuk 2743: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
2744: if ($alignchar eq '') {
2745: $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1];
1.159 sakharuk 2746: }
1.206 sakharuk 2747: push @{ $Apache::londefdef::table[-1]{'align'}[$Apache::londefdef::table[-1]{'row_number'}] }, $alignchar;
1.159 sakharuk 2748: $Apache::londefdef::table[-1]{'counter_columns'}++;
1.206 sakharuk 2749: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2750: if (defined $TeXwidth) {
2751: my $current_length=&recalc($TeXwidth);
2752: $current_length=~/(\d+\.?\d*)/;
2753: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1;
2754: }
1.398 foxr 2755: }
1.159 sakharuk 2756: &Apache::lonxml::startredirection();
2757: return '';
2758: }
2759:
2760: sub end_td_tex {
1.398 foxr 2761:
2762: my $text = &Apache::lonxml::endredirection();
2763: my $table = $Apache::londefdef::table[-1];
2764: $table->append_cell_text($text);
2765:
2766: #-------------------------------------------------
2767: # Old table code
2768: #-------------------------------------------------
2769:
2770: if (0) {
1.159 sakharuk 2771: my ($parstack,$parser,$safeeval) = @_;
1.304 foxr 2772: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
2773: my $current_column = $Apache::londefdef::table[-1]{'counter_columns'};
1.303 foxr 2774: my $data = &Apache::lonxml::endredirection();
2775:
1.305 foxr 2776: # The rowspan array of the table indicates which cells are part of a span.
2777: # n indicates the start of a span set of n rows.
2778: # ^ indicates a cell that continues a span set.
1.306 foxr 2779: # _ indicates the cell is at the bottom of a span set.
1.305 foxr 2780: # If this and subsequent cells are part of a rowspan, we must
2781: # push along the row until we find one that is not.
2782:
2783: while ((defined $Apache::londefdef::table[-1]{'rowspan'}[$current_row] [$current_column])
1.306 foxr 2784: && ($Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column] =~ /[\^\_]/)) {
1.305 foxr 2785: # Part of a span.
2786: push @ {$Apache::londefdef::table[-1]{'content'}[-1]}, '';
2787: $current_column++;
2788: }
2789: $Apache::londefdef::table[-1]{'counter_columns'} = $current_column;
2790:
2791:
1.320 foxr 2792: # Get the column and row spans.
2793: # Colspan can be done via \multicolumn if I can figure out the data structs.
2794:
2795: my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 0);
2796: if (!$colspan) {
2797: $colspan = 1;
2798: }
1.305 foxr 2799:
2800: my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 0);
2801: if (!$rowspan) {
2802: $rowspan = 1;
2803: }
2804:
1.303 foxr 2805:
1.305 foxr 2806:
1.320 foxr 2807: for (my $c = 0; $c < $colspan; $c++) {
2808: $Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column+$c] = $rowspan;
2809: for (my $i = 1; $i < $rowspan; $i++) {
2810: $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column+$c] = '^';
2811: if ($i == ($rowspan-1)) {
2812: $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column+$c] = '_';
2813: }
1.306 foxr 2814: }
1.305 foxr 2815: }
1.304 foxr 2816:
1.159 sakharuk 2817: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2818: if (defined $TeXwidth) {
1.357 foxr 2819: for (my $c = 0; $c < $colspan; $c++) {
2820: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2821: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2822: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2823: }
1.159 sakharuk 2824: } else {
1.206 sakharuk 2825: if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {
2826: my $garbage_data=$data;
2827: my $fwidth=0;
2828: while ($garbage_data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2829: my $current_length=&recalc($1);
2830: $current_length=~/(\d+\.?\d*)/;
2831: if ($fwidth<$1) {$fwidth=$1;}
2832: $garbage_data=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2833: }
2834: while ($garbage_data=~m/\[(\d+\.?\d*)\s*mm\]/) {
2835: my $current_length=$1;
2836: if ($fwidth<$current_length) {$fwidth=$current_length;}
2837: $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;
2838: }
1.357 foxr 2839: for (my $c = 0; $c < $colspan; $c++) {
2840: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2841: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
2842: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2843: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2844: }
1.231 sakharuk 2845: } elsif ($data=~/\\parbox\{\s*\d+\.?\d*\s*(mm|cm|in|pc|pt)*\s*\}/ or $data=~/\\epsfxsize\s*=\s*\d+\.?\d*\s*(mm|cm|in|pc|pt)*/) {
2846: my $garbage_data=$data;
2847: my $fwidth=0;
2848: while ($garbage_data=~/\\parbox\{\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)\s*\}/) {
2849: my $current_length=&recalc($1);
2850: $current_length=~/(\d+\.?\d*)/;
2851: if ($fwidth<$1) {$fwidth=$1;}
2852: $garbage_data=~s/\\parbox\{\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2853: }
2854: while ($garbage_data=~/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2855: my $current_length=&recalc($1);
2856: $current_length=~/(\d+\.?\d*)/;
2857: if ($fwidth<$1) {$fwidth=$1;}
2858: $garbage_data=~s/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2859: }
1.357 foxr 2860: for (my $c = 0; $c < $colspan; $c++) {
2861: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2862: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
2863: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2864: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2865: }
1.231 sakharuk 2866: $data=~s/\\\\\s*$//;
1.159 sakharuk 2867: } else {
1.166 sakharuk 2868: $data=~s/^\s+(\S.*)/$1/;
1.159 sakharuk 2869: $data=~s/(.*\S)\s+$/$1/;
1.166 sakharuk 2870: $data=~s/(\s)+/$1/;
1.206 sakharuk 2871: my ($current_length,$min_length)=(0,0);
1.166 sakharuk 2872: if ($data=~/\\vskip/) {
2873: my $newdata=$data;
2874: $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
2875: my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
2876: foreach my $elementdata (@newdata) {
1.206 sakharuk 2877: my $lengthnewdata=2.5*&LATEX_length($elementdata);
1.166 sakharuk 2878: if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
1.206 sakharuk 2879: my @words=split(/ /,$elementdata);
2880: foreach my $word (@words) {
2881: my $lengthword=2.5*&LATEX_length($word);
2882: if ($min_length<$lengthword) {$min_length=$lengthword;}
2883: }
1.166 sakharuk 2884: }
2885: } else {
1.206 sakharuk 2886: $current_length=2.5*&LATEX_length($data);
2887: my @words=split(/ /,$data);
2888: foreach my $word (@words) {
1.228 sakharuk 2889: my $lengthword=2*&LATEX_length($word);
1.206 sakharuk 2890: if ($min_length<$lengthword) {$min_length=$lengthword;}
2891: }
1.166 sakharuk 2892: }
1.357 foxr 2893: for (my $c = 0; $c < $colspan; $c++) {
2894: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2895: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2896: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;
2897: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
2898: }
1.159 sakharuk 2899: }
2900: }
1.302 foxr 2901: # Substitute all of the tables nested in this cell in their appropriate places.
2902:
2903:
2904: my $nested_count = $#{$Apache::londefdef::table[-1]{'include'}}; # This one is constant...
2905: for (my $in=0; $in<=$nested_count; $in++) {
1.301 foxr 2906: my $nested = shift @{$Apache::londefdef::table[-1]{'include'}};
2907: $nested =~ s/\\end\{tabular\}\\strut\\\\/\\end\{tabular\}/;
2908: # $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
2909: $data =~ s/\\keephidden\{NEW TABLE ENTRY\}/$nested/;
2910:
2911: }
2912: # Should be be killing off the 'include' elements as they're used up?
1.305 foxr 2913:
1.206 sakharuk 2914: push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data;
1.305 foxr 2915:
1.304 foxr 2916:
2917:
2918:
2919: # the colspan array will indicate how many columns will be spanned by this
2920: # cell..this requires that counter_columns also be adjusted accordingly
2921: # so that the next bunch of text goes in the right cell. Note that since
2922: # counter_columns is incremented in the start_td_tex, we adjust by colspan-1.
2923: #
2924:
2925: $Apache::londefdef::table[-1]{'counter_columns'} += $colspan -1;
2926: for (my $i = 0; $i < ($colspan -1); $i++) {
2927: push @ {$Apache::londefdef::table[-1]{'content'}[-1] },'';
2928: }
1.320 foxr 2929: for (my $r = 0; $r < $rowspan; $r++) {
2930: $Apache::londefdef::table[-1]{'colspan'}[$current_row+$r][$current_column] = $colspan;
2931: # Put empty text in spanned cols.
2932:
2933: }
2934:
1.398 foxr 2935: }
1.304 foxr 2936:
1.301 foxr 2937: return '';
1.159 sakharuk 2938: }
2939:
1.122 albertel 2940: sub end_td {
1.126 sakharuk 2941: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 2942: my $currentstring = '';
1.325 albertel 2943: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2944: $currentstring = $token->[2];
2945: } elsif ($target eq 'tex') {
1.160 sakharuk 2946: $Apache::londefdef::TD_redirection =0;
1.159 sakharuk 2947: &end_td_tex($parstack,$parser,$safeeval);
1.122 albertel 2948: }
2949: return $currentstring;
2950: }
2951:
1.166 sakharuk 2952: #-- <th> tag (end tag optional)
1.122 albertel 2953: sub start_th {
2954: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2955: my $currentstring = '';
1.325 albertel 2956: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2957: $currentstring = $token->[4];
2958: } elsif ($target eq 'tex') {
1.230 sakharuk 2959: $Apache::londefdef::TD_redirection = 1;
2960: &tagg_check('tr','th',$tagstack,$parstack,$parser,$safeeval);
1.122 albertel 2961: }
2962: return $currentstring;
1.130 sakharuk 2963: }
1.230 sakharuk 2964:
2965: sub tagg_check {
2966: my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_;
2967: my @ar=@$parstack;
2968: for (my $i=$#ar-1;$i>=0;$i--) {
2969: if (lc($$tagstack[$i]) eq $good_tag) {
2970: &start_th_tex($parstack,$parser,$safeeval);
2971: last;
2972: } elsif (lc($$tagstack[$i]) eq $bad_tag) {
2973: splice @ar, $i+1;
2974: &end_th_tex(\@ar,$parser,$safeeval);
2975: &start_th_tex($parstack,$parser,$safeeval);
2976: last;
2977: }
2978: }
2979: return '';
2980: }
2981:
2982: sub start_th_tex {
2983: my ($parstack,$parser,$safeeval) = @_;
1.398 foxr 2984:
2985: my $alignment = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef,1);
2986: my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 1);
2987: my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 1);
2988:
2989: my $config = cell_config_hash($alignment, $rowspan, $colspan);
2990: my $table = $Apache::londefdef::table[-1];
2991: $table->add_cell('\textbf{', $config);
2992:
2993: #-------------------------------------------------------------------------------------
2994: #
2995: # Old table code.
2996: #
2997: #--------------------------------------------------------------------------------------
2998:
2999: if (0) {
3000:
3001:
1.230 sakharuk 3002: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
3003: if ($alignchar eq '') {
3004: $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1];
3005: }
3006: push @{ $Apache::londefdef::table[-1]{'align'}[$Apache::londefdef::table[-1]{'row_number'}] }, $alignchar;
3007: $Apache::londefdef::table[-1]{'counter_columns'}++;
3008: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
3009: if (defined $TeXwidth) {
3010: my $current_length=&recalc($TeXwidth);
3011: $current_length=~/(\d+\.?\d*)/;
3012: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1;
3013: }
1.398 foxr 3014: }
3015:
3016: # Accept xml until the </th> tag.
3017:
1.230 sakharuk 3018: &Apache::lonxml::startredirection();
3019: return '';
3020: }
3021:
3022: sub end_th_tex {
3023: my ($parstack,$parser,$safeeval) = @_;
1.398 foxr 3024:
3025: my $table = $Apache::londefdef::table[-1];
3026: my $text = &Apache::lonxml::endredirection();
3027: $table->append_cell_text($text.'}');
3028:
3029: #-----------------------------------------------------------------------------
3030: # Old table code:
3031: #-----------------------------------------------------------------------------
3032:
3033: if (0) {
1.230 sakharuk 3034: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
3035: my $data=&Apache::lonxml::endredirection();
3036: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
3037: if (defined $TeXwidth) {
3038: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
3039: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
3040: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
3041: } else {
3042: if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {
3043: my $garbage_data=$data;
3044: my $fwidth=0;
3045: while ($garbage_data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
3046: my $current_length=&recalc($1);
3047: $current_length=~/(\d+\.?\d*)/;
3048: if ($fwidth<$1) {$fwidth=$1;}
3049: $garbage_data=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
3050: }
3051: while ($garbage_data=~m/\[(\d+\.?\d*)\s*mm\]/) {
3052: my $current_length=$1;
3053: if ($fwidth<$current_length) {$fwidth=$current_length;}
3054: $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;
3055: }
3056: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
3057: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
3058: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
3059: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
3060: } else {
3061: $data=~s/^\s+(\S.*)/$1/;
3062: $data=~s/(.*\S)\s+$/$1/;
3063: $data=~s/(\s)+/$1/;
3064: my ($current_length,$min_length)=(0,0);
3065: if ($data=~/\\vskip/) {
3066: my $newdata=$data;
3067: $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
3068: my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
3069: foreach my $elementdata (@newdata) {
3070: my $lengthnewdata=2.5*&LATEX_length($elementdata);
3071: if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
3072: my @words=split(/ /,$elementdata);
3073: foreach my $word (@words) {
3074: my $lengthword=2.5*&LATEX_length($word);
3075: if ($min_length<$lengthword) {$min_length=$lengthword;}
3076: }
3077: }
3078: } else {
3079: $current_length=2.5*&LATEX_length($data);
3080: my @words=split(/ /,$data);
3081: foreach my $word (@words) {
3082: my $lengthword=2*&LATEX_length($word);
3083: if ($min_length<$lengthword) {$min_length=$lengthword;}
3084: }
3085: }
3086: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
3087: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
3088: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;
3089: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
3090: }
3091: }
3092: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
3093: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
3094: }
3095: #make data bold
3096: $data='\textbf{'.$data.'}';
3097: push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data;
1.398 foxr 3098: }
1.230 sakharuk 3099: return'';
3100: }
3101:
1.122 albertel 3102: sub end_th {
1.130 sakharuk 3103: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 3104: my $currentstring = &end_p(); # Close any open <p> in the row.
1.325 albertel 3105: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 3106: $currentstring .= $token->[2];
1.122 albertel 3107: } elsif ($target eq 'tex') {
1.230 sakharuk 3108: $Apache::londefdef::TD_redirection =0;
3109: &end_th_tex($parstack,$parser,$safeeval);
1.122 albertel 3110: }
3111: return $currentstring;
3112: }
1.230 sakharuk 3113:
1.181 sakharuk 3114: #-- <img> tag (end tag forbidden)
1.249 foxr 3115: #
3116: # Render the <IMG> tag.
3117: # <IMG> has the following attributes (in addition to the
3118: # standard HTML ones:
3119: # TeXwrap - Governs how the tex target will try to wrap text around
3120: # horizontally aligned images.
3121: # TeXwidth - The width of the image when rendered for print (mm).
3122: # TeXheight - The height of the image when rendered for print (mm)
3123: # (Note there seems to also be support for this as a % of page size)
3124: #
1.122 albertel 3125: sub start_img {
1.299 albertel 3126: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 3127: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
3128: undef,1);
1.325 albertel 3129: if (! $src &&
3130: ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex')
3131: ) {
1.299 albertel 3132: my $inside = &Apache::lonxml::get_all_text("/img",$parser,$style);
1.189 albertel 3133: return '';
3134: }
1.290 albertel 3135: &Apache::lonxml::extlink($src);
1.122 albertel 3136: my $currentstring = '';
3137: my $scaling = .3;
1.249 foxr 3138:
3139: # Render unto browsers that which are the browser's...
3140:
1.325 albertel 3141: if ($target eq 'web' || $target eq 'webgrade') {
1.267 albertel 3142: if ($env{'browser.imagesuppress'} ne 'on') {
1.322 albertel 3143: my $enc = ('yes' eq
3144: lc(&Apache::lonxml::get_param('encrypturl',$parstack,
3145: $safeeval)));
3146: $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src},
3147: $enc);
1.122 albertel 3148: } else {
1.322 albertel 3149: my $alttag = &Apache::lonxml::get_param('alt',$parstack,$safeeval,
3150: undef,1);
3151: if (!$alttag) {
3152: $alttag = &Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
3153: $src);
1.51 sakharuk 3154: }
1.158 sakharuk 3155: $currentstring.='[IMAGE: '.$alttag.']';
1.1 sakharuk 3156: }
1.249 foxr 3157:
3158: # and render unto TeX that which is LaTeX
3159:
1.122 albertel 3160: } elsif ($target eq 'tex') {
1.248 foxr 3161: #
3162: # The alignment will require some superstructure to be put around
3163: # the \includegraphics stuff. At present we can only partially
3164: # simulate the alignments offered by html.
3165: #
3166: #
3167: my $align = lc(&Apache::lonxml::get_param('align',
3168: $parstack,
3169: $safeeval,
3170: undef,1));
3171: if(!$align) {
1.287 foxr 3172: $align = "bottom"; # This is html's default so it's ours too.
1.248 foxr 3173: }
3174: #
3175: &Apache::lonxml::debug("Alignemnt = $align");
3176: # LaTeX's image/text wrapping is really bad since it wants to
3177: # make figures float.
3178: # The user has the optional parameter (applicable only to l/r
3179: # alignment to use the picins/parpic directive to get wrapped text
3180: # this is also imperfect.. that's why we give them a choice...
3181: # so they can't yell at us for our choice.
3182: #
3183: my $latex_rendering = &Apache::lonxml::get_param('TeXwrap',
3184: $parstack,
3185: $safeeval,
3186: undef,0);
1.312 foxr 3187: # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering");
1.248 foxr 3188: if(!$latex_rendering) {
1.312 foxr 3189: $latex_rendering = "texwrap";
3190: }
3191: # using texwrap inside a table does not work. So, if after all of this,
3192: # texwrap is on, we turn it off if we detect we're in a table:
3193: #
3194: if (($latex_rendering eq 'texwrap') && &is_inside_of($tagstack, "table")) {
3195: $latex_rendering = 'parpic';
1.248 foxr 3196: }
1.323 foxr 3197:
1.312 foxr 3198: # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src");
1.248 foxr 3199:
1.390 foxr 3200: #if original bmp/gif/jpg/png file exist do following:
1.266 albertel 3201: my $origsrc=$src;
1.256 albertel 3202: my ($path,$file) = &get_eps_image($src);
1.341 foxr 3203: # &Apache::lonnet::logthis("Image source: $src result: $path $file");
1.122 albertel 3204: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1.261 foxr 3205: &Apache::lonxml::debug("path = $path file = $file src = $src");
1.192 sakharuk 3206: if (-e $src) {
1.261 foxr 3207: &Apache::lonxml::debug("$src exists");
1.256 albertel 3208: my ($height_param,$width_param)=
1.266 albertel 3209: &image_size($origsrc,0.3,$parstack,$safeeval);
3210: my $size;
3211: if ($width_param) { $size.='width='.$width_param.' mm,'; }
3212: if ($height_param) { $size.='height='.$height_param.' mm]'; }
1.341 foxr 3213: # Default size if not able to extract that (e.g. eps image).
3214:
3215: # &Apache::lonnet::logthis("Size = $size");
3216:
1.266 albertel 3217: $size='['.$size;
3218: $size=~s/,$/]/;
1.344 albertel 3219: $currentstring .= '\graphicspath{{'.$path.'}}'
3220: .'\includegraphics'.$size.'{'.$file.'} ';
1.354 foxr 3221: my $closure;
3222: ($currentstring, $closure) = &align_latex_image($align,
3223: $latex_rendering,
3224: $currentstring,
3225: $width_param,
3226: $height_param);
3227: $currentstring .= $closure;
1.353 foxr 3228:
1.122 albertel 3229: } else {
1.261 foxr 3230: &Apache::lonxml::debug("$src does not exist");
1.122 albertel 3231: #original image file doesn't exist so check the alt attribute
3232: my $alt =
3233: &Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
3234: unless ($alt) {
3235: $alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
3236: }
3237:
1.256 albertel 3238: if ($alt) { $currentstring .= ' '.$alt.' '; }
1.59 sakharuk 3239: }
1.249 foxr 3240:
3241: # And here's where the semi-quote breaks down: allow the user
3242: # to edit the beast as well by rendering the problem for edit:
1.186 albertel 3243: } elsif ($target eq 'edit') {
1.368 banghart 3244: my $only = join(',',&Apache::loncommon::filecategorytypes('Pictures'));
1.186 albertel 3245: $currentstring .=&Apache::edit::tag_start($target,$token);
3246: $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
1.368 banghart 3247: &Apache::edit::browse('src',undef,'alt',$only).' '.
1.186 albertel 3248: &Apache::edit::search('src',undef,'alt').'<br />';
3249: $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />';
3250: $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5);
3251: $currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'<br />';
3252: $currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5);
3253: $currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5);
1.234 albertel 3254: $currentstring .=&Apache::edit::select_arg('Alignment:','align',
3255: ['','bottom','middle','top','left','right'],$token,5);
1.249 foxr 3256: $currentstring .=&Apache::edit::select_arg('TeXwrap:', 'TeXwrap',
1.348 albertel 3257: ['', 'none','parbox', 'parpic', 'wrapfigure'], $token, 2);
1.403.4.2! raeburn 3258: my $alt= &Apache::lonxml::get_param('alt',$parstack,$safeeval);
! 3259: my $enc= &Apache::lonxml::get_param('encrypturl',$parstack,$safeeval);
! 3260:
1.332 www 3261: $currentstring .=&Apache::edit::select_arg('Encrypt URL:','encrypturl',
1.322 albertel 3262: ['no','yes'], $token, 2);
1.403.4.2! raeburn 3263: if (($alt=~/\S/) && (lc($enc) eq 'yes')) {
! 3264: $currentstring.='<br /><span class="LC_warning">'.&mt('Warning: the description "[_1]" will be available, even for encrypted URL',$alt).'</span><br />';
! 3265: }
1.186 albertel 3266: $currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.249 foxr 3267: my $src= &Apache::lonxml::get_param('src',$parstack,$safeeval);
3268: my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
3269: my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
3270:
1.381 www 3271: if ($token->[2]{'src'}=~/\$/) {
1.403.4.2! raeburn 3272: $currentstring.=&mt('Variable image source');
! 3273: } elsif ($token->[2]{'src'}=~/\S/) {
1.381 www 3274: $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';
3275: if ($width) { $currentstring.=' width="'.$width.'" '; }
3276: if ($height) { $currentstring.=' height="'.$height.'" '; }
3277: $currentstring .= ' />';
1.403.4.2! raeburn 3278: } else {
! 3279: $currentstring.=&mt("No image source specified");
1.381 www 3280: }
1.186 albertel 3281: } elsif ($target eq 'modified') {
1.210 albertel 3282: my ($osrc,$owidth,$oheight)=
3283: ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
3284: my $ctag=&Apache::edit::get_new_args($token,$parstack,
1.234 albertel 3285: $safeeval,'src','alt','align',
1.249 foxr 3286: 'TeXwidth','TeXheight', 'TeXwrap',
1.322 albertel 3287: 'width','height','encrypturl');
1.210 albertel 3288: my ($nsrc,$nwidth,$nheight)=
3289: ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
3290: my $loc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$nsrc);
3291: &image_replication($loc);
3292: my ($iwidth,$iheight);
3293: if (-e $loc) {
3294: my $image = Image::Magick->new;
3295: $image->Read($loc);
3296: ($iwidth, $iheight) = ($image->Get('width'),
3297: $image->Get('height'));
3298: }
3299: if ($osrc ne $nsrc || (!$nwidth && !$nheight)) {
3300: # changed image or no size specified,
3301: # if they didn't explicitly change the
3302: # width or height use the ones from the image
3303: if ($iwidth && $iheight) {
3304: if ($owidth == $nwidth || (!$nwidth && !$nheight)) {
3305: $token->[2]{'width'} = $iwidth;$ctag=1;
3306: }
3307: if ($oheight == $nheight || (!$nwidth && !$nheight)) {
3308: $token->[2]{'height'}=$iheight;$ctag=1;
1.186 albertel 3309: }
3310: }
3311: }
1.210 albertel 3312: my ($cwidth,$cheight)=($token->[2]{'width'},$token->[2]{'height'});
3313: # if we don't have a width or height
3314: if ($iwidth && $cwidth && !$cheight) {
3315: $token->[2]{'height'}=int(($cwidth/$iwidth)*$iheight);$ctag=1;
3316: }
3317: if ($iheight && $cheight && !$cwidth) {
3318: $token->[2]{'width'}=int(($cheight/$iheight)*$iwidth);$ctag=1;
3319: }
3320: if ($ctag) {$currentstring=&Apache::edit::rebuild_tag($token);}
1.122 albertel 3321: }
1.261 foxr 3322:
1.122 albertel 3323: return $currentstring;
3324: }
3325:
3326: sub end_img {
3327: my ($target,$token) = @_;
3328: my $currentstring = '';
1.325 albertel 3329: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3330: $currentstring = $token->[2];
3331: } elsif ($target eq 'tex') {
3332: $currentstring = '';
3333: }
3334: return $currentstring;
3335: }
3336:
1.181 sakharuk 3337: #-- <applet> tag (end tag required)
1.122 albertel 3338: sub start_applet {
3339: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3340:
3341: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,undef,1);
1.290 albertel 3342: &Apache::lonxml::extlink($code);
1.122 albertel 3343: my $archive=&Apache::lonxml::get_param('archive',$parstack,$safeeval,
3344: undef,1);
1.290 albertel 3345: &Apache::lonxml::extlink($archive);
1.122 albertel 3346: my $currentstring = '';
1.325 albertel 3347: if ($target eq 'web' || $target eq 'webgrade') {
1.267 albertel 3348: if ($env{'browser.appletsuppress'} ne 'on') {
1.250 albertel 3349: $currentstring = &Apache::lonenc::encrypt_ref($token,
3350: {'code'=>$code,
3351: 'archive'=>$archive}
3352: );
1.122 albertel 3353: } else {
3354: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
3355: $safeeval,undef,1);
3356: unless ($alttag) {
3357: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
3358: $code);
1.44 sakharuk 3359: }
1.122 albertel 3360: $currentstring='[APPLET: '.$alttag.']';
1.1 sakharuk 3361: }
1.122 albertel 3362: } elsif ($target eq 'tex') {
1.361 foxr 3363: # Turn off some stuff we can't be inside thank you LaTeX
3364:
3365:
3366: my $restart_sub = 0;
3367: my $restart_sup = 0;
3368:
3369: # Since <sub> and <sup> are simple tags it's ok to turn off/on
3370: # using the start_ stop_ functions.. those tags only care about
3371: # $target.
3372:
3373: if (&is_inside_of($tagstack, "sub")) {
3374: $restart_sub = 1;
3375: $currentstring .= &end_sub($target, $token, $tagstack,
3376: $parstack, $parser, $safeeval);
3377: }
3378: if (&is_inside_of($tagstack, "sup")) {
3379: $restart_sup = 1;
3380: $currentstring .= &end_sup($target, $token, $tagstack,
3381: $parstack, $parser, $safeeval);
3382: }
3383:
3384: # Now process the applet; just replace it with its alt attribute.
3385:
1.177 albertel 3386: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
3387: $safeeval,undef,1);
3388: unless ($alttag) {
3389: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,
3390: undef,1);
3391: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
3392: $code);
1.175 sakharuk 3393: }
1.177 albertel 3394: $currentstring.='\begin{center} \fbox{Java Applet: '.$alttag.
3395: '.}\end{center}';
1.361 foxr 3396:
3397: # Turn stuff back on that we can't be inside of.
3398:
3399: if ($restart_sub) {
3400: $currentstring .= &start_sub($target, $token, $tagstack,
3401: $parstack, $parser, $safeeval);
3402: }
3403: if ($restart_sup) {
3404: $currentstring .= &start_sup($target, $token, $tagstack,
3405: $parstack, $parser, $safeeval);
3406: }
1.122 albertel 3407: }
3408: return $currentstring;
3409: }
3410:
3411: sub end_applet {
3412: my ($target,$token) = @_;
3413: my $currentstring = '';
1.325 albertel 3414: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3415: $currentstring = $token->[2];
3416: } elsif ($target eq 'tex') {
3417: }
3418: return $currentstring;
3419: }
3420:
1.181 sakharuk 3421: #-- <embed> tag (end tag optional/required)
1.122 albertel 3422: sub start_embed {
3423: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3424: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
1.290 albertel 3425: &Apache::lonxml::extlink($src);
1.122 albertel 3426: my $currentstring = '';
1.325 albertel 3427: if ($target eq 'web' || $target eq 'webgrade') {
1.267 albertel 3428: if ($env{'browser.embedsuppress'} ne 'on') {
1.250 albertel 3429: $currentstring=&Apache::lonenc::encrypt_ref($token,{'src'=>$src});
1.122 albertel 3430: } else {
3431: my $alttag=&Apache::lonxml::get_param
3432: ('alt',$parstack,$safeeval,undef,1);
3433: unless ($alttag) {
3434: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
1.42 albertel 3435: }
1.122 albertel 3436: $currentstring='[EMBED: '.$alttag.']';
1.10 www 3437: }
1.122 albertel 3438: } elsif ($target eq 'tex') {
3439: }
3440: return $currentstring;
3441: }
3442:
3443: sub end_embed {
3444: my ($target,$token) = @_;
3445: my $currentstring = '';
1.325 albertel 3446: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3447: $currentstring = $token->[2];
1.175 sakharuk 3448: } elsif ($target eq 'tex') {
1.122 albertel 3449: }
3450: return $currentstring;
3451: }
3452:
1.181 sakharuk 3453: #-- <param> tag (end tag forbidden)
1.122 albertel 3454: sub start_param {
3455: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.290 albertel 3456: if (&Apache::lonxml::get_param('name',$parstack,
3457: $safeeval,undef,1)=~/^cabbase$/i) {
3458: my $value=&Apache::lonxml::get_param('value',$parstack,
3459: $safeeval,undef,1);
3460: &Apache::lonxml::extlink($value);
3461: }
3462:
3463: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
3464: &Apache::lonxml::extlink($src);
1.122 albertel 3465: my $currentstring = '';
1.325 albertel 3466: if ($target eq 'web' || $target eq 'webgrade') {
1.250 albertel 3467: my %toconvert;
3468: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
3469: if ($src) { $toconvert{'src'}= $src; }
3470: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval,
3471: undef,1);
1.251 albertel 3472: if ($name=~/^cabbase$/i) {
3473: $toconvert{'value'}=&Apache::lonxml::get_param('value',$parstack,
3474: $safeeval,undef,1);
3475: }
1.250 albertel 3476: $currentstring = &Apache::lonenc::encrypt_ref($token,\%toconvert);
1.122 albertel 3477: } elsif ($target eq 'tex') {
3478: }
3479: return $currentstring;
3480: }
3481:
3482: sub end_param {
3483: my ($target,$token) = @_;
3484: my $currentstring = '';
1.325 albertel 3485: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3486: $currentstring = $token->[2];
3487: } elsif ($target eq 'tex') {
3488: }
3489: return $currentstring;
3490: }
3491:
3492: #-- <allow> tag
3493: sub start_allow {
3494: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3495: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
1.290 albertel 3496: &Apache::lonxml::extlink($src);
3497:
1.241 albertel 3498: if ($target eq 'tex') { &image_replication($src); }
1.122 albertel 3499: my $result;
3500: if ($target eq 'edit') {
3501: $result .=&Apache::edit::tag_start($target,$token);
3502: $result .=&Apache::edit::text_arg('File Spec:','src',$token,70);
3503: $result .=&Apache::edit::end_row();#.&Apache::edit::start_spanning_row();
3504: } elsif ($target eq 'modified') {
3505: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3506: $safeeval,'src');
3507: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3508: }
3509: return $result;
3510: }
3511:
3512: sub end_allow {
3513: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3514: if ( $target eq 'edit') { return (&Apache::edit::end_table()); }
3515: return '';
3516: }
1.119 www 3517:
1.181 sakharuk 3518: #-- Frames (end tag required)
3519: #-- <frameset>
1.122 albertel 3520: sub start_frameset {
3521: my ($target,$token) = @_;
1.277 foxr 3522: my $currentstring = ''; # Close any pending para.
1.325 albertel 3523: if ($target eq 'web' || $target eq 'webgrade') {
1.328 albertel 3524: $currentstring =
3525: &Apache::loncommon::start_page($Apache::londefdef::title,
3526: $Apache::londefdef::head,
3527: {'add_entries' => $token->[2],
3528: 'no_title' => 1,
3529: 'force_register' => 1,
3530: 'frameset' => 1,});
3531:
1.122 albertel 3532: }
3533: return $currentstring;
3534: }
3535:
3536: sub end_frameset {
3537: my ($target,$token) = @_;
3538: my $currentstring = '';
1.325 albertel 3539: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3540: $currentstring = $token->[2];
3541: }
3542: return $currentstring;
3543: }
1.162 sakharuk 3544:
1.181 sakharuk 3545: #-- <xmp> (end tag required)
1.162 sakharuk 3546: sub start_xmp {
3547: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3548: my $currentstring = '';
1.325 albertel 3549: if ($target eq 'web' || $target eq 'webgrade') {
1.162 sakharuk 3550: $currentstring .= $token->[4];
3551: } elsif ($target eq 'tex') {
3552: $currentstring .= '\begin{verbatim}';
3553: }
3554: return $currentstring;
3555: }
3556:
3557: sub end_xmp {
3558: my ($target,$token) = @_;
3559: my $currentstring = '';
1.325 albertel 3560: if ($target eq 'web' || $target eq 'webgrade') {
1.162 sakharuk 3561: $currentstring .= $token->[2];
3562: } elsif ($target eq 'tex') {
3563: $currentstring .= '\end{verbatim}';
3564: }
3565: return $currentstring;
3566: }
3567:
1.181 sakharuk 3568: #-- <pre> (end tag required)
1.122 albertel 3569: sub start_pre {
1.126 sakharuk 3570: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 3571: my $currentstring = &end_p(); # close off pending <p>
1.325 albertel 3572: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3573: $currentstring .= $token->[4];
3574: } elsif ($target eq 'tex') {
1.136 sakharuk 3575: $currentstring .= '\begin{verbatim}';
1.319 albertel 3576: &Apache::lonxml::disable_LaTeX_substitutions();
1.122 albertel 3577: }
3578: return $currentstring;
3579: }
3580:
3581: sub end_pre {
3582: my ($target,$token) = @_;
3583: my $currentstring = '';
1.325 albertel 3584: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3585: $currentstring .= $token->[2];
3586: } elsif ($target eq 'tex') {
1.136 sakharuk 3587: $currentstring .= '\end{verbatim}';
1.319 albertel 3588: &Apache::lonxml::enable_LaTeX_substitutions();
1.122 albertel 3589: }
3590: return $currentstring;
3591: }
3592:
3593: #-- <insert>
3594: sub start_insert {
3595: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3596: my $currentstring = '';
1.325 albertel 3597: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3598: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
3599: $currentstring .= '<b>'.$display.'</b>';;
3600: }
3601: return $currentstring;
3602: }
3603:
3604: sub end_insert {
3605: my ($target,$token) = @_;
3606: my $currentstring = '';
1.325 albertel 3607: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3608: $currentstring .= '';
3609: }
3610: return $currentstring;
3611: }
3612:
3613: #-- <externallink>
3614: sub start_externallink {
3615: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3616: my $currentstring = '';
1.325 albertel 3617: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3618: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
3619: $currentstring .= '<b>'.$display.'</b>';;
3620: }
3621: return $currentstring;
3622: }
3623:
3624: sub end_externallink {
3625: my ($target,$token) = @_;
3626: my $currentstring = '';
1.325 albertel 3627: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3628: $currentstring .= '';
3629: }
3630: return $currentstring;
3631: }
3632:
3633: #-- <blankspace heigth="">
3634: sub start_blankspace {
3635: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 3636: my $currentstring = &end_p(); # closes off any unclosed <p>
1.122 albertel 3637: if ($target eq 'tex') {
3638: my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1);
3639: $currentstring .= '\vskip '.$howmuch.' ';
3640: }
3641: return $currentstring;
3642: }
3643:
3644: sub end_blankspace {
3645: my ($target,$token) = @_;
3646: my $currentstring = '';
3647: if ($target eq 'tex') {
3648: $currentstring .= '';
3649: }
3650: return $currentstring;
3651: }
3652:
1.181 sakharuk 3653: #-- <abbr> tag (end tag required)
1.122 albertel 3654: sub start_abbr {
3655: my ($target,$token) = @_;
3656: my $currentstring = '';
1.325 albertel 3657: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3658: $currentstring = $token->[4];
3659: }
3660: return $currentstring;
3661: }
3662:
3663: sub end_abbr {
3664: my ($target,$token) = @_;
3665: my $currentstring = '';
1.325 albertel 3666: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3667: $currentstring = $token->[2];
3668: }
3669: return $currentstring;
3670: }
3671:
1.181 sakharuk 3672: #-- <acronym> tag (end tag required)
1.122 albertel 3673: sub start_acronym {
3674: my ($target,$token) = @_;
3675: my $currentstring = '';
1.325 albertel 3676: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3677: $currentstring = $token->[4];
3678: }
3679: return $currentstring;
3680: }
3681:
3682: sub end_acronym {
3683: my ($target,$token) = @_;
3684: my $currentstring = '';
1.325 albertel 3685: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3686: $currentstring = $token->[2];
3687: }
3688: return $currentstring;
3689: }
3690:
1.181 sakharuk 3691: #-- <area> tag (end tag forbidden)
1.122 albertel 3692: sub start_area {
3693: my ($target,$token) = @_;
3694: my $currentstring = '';
1.325 albertel 3695: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3696: $currentstring = $token->[4];
3697: }
3698: return $currentstring;
3699: }
3700:
3701: sub end_area {
3702: my ($target,$token) = @_;
3703: my $currentstring = '';
1.325 albertel 3704: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3705: $currentstring = $token->[2];
3706: }
3707: return $currentstring;
3708: }
3709:
1.181 sakharuk 3710: #-- <base> tag (end tag forbidden)
1.122 albertel 3711: sub start_base {
3712: my ($target,$token) = @_;
3713: my $currentstring = '';
1.325 albertel 3714: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3715: $currentstring = $token->[4];
1.161 sakharuk 3716: }
1.122 albertel 3717: return $currentstring;
3718: }
3719:
3720: sub end_base {
3721: my ($target,$token) = @_;
3722: my $currentstring = '';
1.325 albertel 3723: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3724: $currentstring = $token->[2];
3725: }
3726: return $currentstring;
3727: }
3728:
1.181 sakharuk 3729: #-- <bdo> tag (end tag required)
1.122 albertel 3730: sub start_bdo {
3731: my ($target,$token) = @_;
3732: my $currentstring = '';
1.325 albertel 3733: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3734: $currentstring = $token->[4];
3735: }
3736: return $currentstring;
3737: }
3738:
3739: sub end_bdo {
3740: my ($target,$token) = @_;
3741: my $currentstring = '';
1.325 albertel 3742: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3743: $currentstring = $token->[2];
3744: }
3745: return $currentstring;
3746: }
3747:
1.181 sakharuk 3748: #-- <bgsound> tag (end tag optional)
1.122 albertel 3749: sub start_bgsound {
3750: my ($target,$token) = @_;
3751: my $currentstring = '';
1.325 albertel 3752: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3753: $currentstring = $token->[4];
3754: }
3755: return $currentstring;
3756: }
3757:
3758: sub end_bgsound {
3759: my ($target,$token) = @_;
3760: my $currentstring = '';
1.325 albertel 3761: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3762: $currentstring = $token->[2];
3763: }
3764: return $currentstring;
3765: }
3766:
1.181 sakharuk 3767: #-- <blink> tag (end tag required)
1.122 albertel 3768: sub start_blink {
3769: my ($target,$token) = @_;
3770: my $currentstring = '';
1.325 albertel 3771: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3772: $currentstring = $token->[4];
3773: }
3774: return $currentstring;
3775: }
3776:
3777: sub end_blink {
3778: my ($target,$token) = @_;
3779: my $currentstring = '';
1.325 albertel 3780: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3781: $currentstring = $token->[2];
3782: }
3783: return $currentstring;
3784: }
3785:
1.181 sakharuk 3786: #-- <blockquote> tag (end tag required)
1.122 albertel 3787: sub start_blockquote {
3788: my ($target,$token) = @_;
1.279 foxr 3789: my $currentstring = &end_p(); # Close any unclosed <p>
1.325 albertel 3790: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 3791: $currentstring .= $token->[4];
1.122 albertel 3792: }
1.339 foxr 3793: if ($target eq 'tex') {
3794: $currentstring .= '\begin{quote}';
3795: }
1.122 albertel 3796: return $currentstring;
3797: }
3798:
3799: sub end_blockquote {
3800: my ($target,$token) = @_;
3801: my $currentstring = '';
1.325 albertel 3802: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3803: $currentstring = $token->[2];
3804: }
1.339 foxr 3805: if ($target eq 'tex') {
3806: $currentstring = '\end{quote}';
3807: }
1.122 albertel 3808: return $currentstring;
3809: }
3810:
1.181 sakharuk 3811: #-- <button> tag (end tag required)
1.122 albertel 3812: sub start_button {
3813: my ($target,$token) = @_;
3814: my $currentstring = '';
1.325 albertel 3815: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3816: $currentstring = $token->[4];
3817: }
3818: return $currentstring;
3819: }
3820:
3821: sub end_button {
3822: my ($target,$token) = @_;
3823: my $currentstring = '';
1.325 albertel 3824: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3825: $currentstring = $token->[2];
3826: }
3827: return $currentstring;
3828: }
3829:
1.181 sakharuk 3830: #-- <caption> tag (end tag required)
1.122 albertel 3831: sub start_caption {
3832: my ($target,$token) = @_;
3833: my $currentstring = '';
1.325 albertel 3834: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3835: $currentstring = $token->[4];
3836: }
3837: return $currentstring;
3838: }
3839:
3840: sub end_caption {
3841: my ($target,$token) = @_;
3842: my $currentstring = '';
1.325 albertel 3843: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3844: $currentstring = $token->[2];
3845: }
3846: return $currentstring;
3847: }
3848:
1.181 sakharuk 3849: #-- <col> tag (end tag forbdden)
1.122 albertel 3850: sub start_col {
3851: my ($target,$token) = @_;
3852: my $currentstring = '';
1.325 albertel 3853: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3854: $currentstring = $token->[4];
3855: }
3856: return $currentstring;
3857: }
3858:
3859: sub end_col {
3860: my ($target,$token) = @_;
3861: my $currentstring = '';
1.325 albertel 3862: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3863: $currentstring = $token->[2];
3864: }
3865: return $currentstring;
3866: }
3867:
1.181 sakharuk 3868: #-- <colgroup> tag (end tag optional)
1.122 albertel 3869: sub start_colgroup {
3870: my ($target,$token) = @_;
3871: my $currentstring = '';
1.325 albertel 3872: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3873: $currentstring = $token->[4];
3874: }
3875: return $currentstring;
3876: }
3877:
3878: sub end_colgroup {
3879: my ($target,$token) = @_;
3880: my $currentstring = '';
1.325 albertel 3881: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3882: $currentstring = $token->[2];
3883: }
3884: return $currentstring;
3885: }
3886:
1.181 sakharuk 3887: #-- <del> tag (end tag required)
1.122 albertel 3888: sub start_del {
3889: my ($target,$token) = @_;
3890: my $currentstring = '';
1.325 albertel 3891: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3892: $currentstring = $token->[4];
3893: }
3894: return $currentstring;
3895: }
3896:
3897: sub end_del {
3898: my ($target,$token) = @_;
3899: my $currentstring = '';
1.325 albertel 3900: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3901: $currentstring = $token->[2];
3902: }
3903: return $currentstring;
3904: }
3905:
1.181 sakharuk 3906: #-- <fieldset> tag (end tag required)
1.122 albertel 3907: sub start_fieldset {
3908: my ($target,$token) = @_;
3909: my $currentstring = '';
1.325 albertel 3910: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3911: $currentstring = $token->[4];
3912: }
3913: return $currentstring;
3914: }
3915:
3916: sub end_fieldset {
3917: my ($target,$token) = @_;
3918: my $currentstring = '';
1.325 albertel 3919: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3920: $currentstring = $token->[2];
3921: }
3922: return $currentstring;
3923: }
3924:
1.181 sakharuk 3925: #-- <frame> tag (end tag forbidden)
1.122 albertel 3926: sub start_frame {
3927: my ($target,$token) = @_;
3928: my $currentstring = '';
1.325 albertel 3929: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3930: $currentstring = $token->[4];
3931: }
3932: return $currentstring;
3933: }
3934:
3935: sub end_frame {
3936: my ($target,$token) = @_;
3937: my $currentstring = '';
1.325 albertel 3938: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3939: $currentstring = $token->[2];
3940: }
3941: return $currentstring;
3942: }
3943:
1.181 sakharuk 3944: #-- <iframe> tag (end tag required)
1.122 albertel 3945: sub start_iframe {
3946: my ($target,$token) = @_;
3947: my $currentstring = '';
1.325 albertel 3948: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3949: $currentstring = $token->[4];
3950: }
3951: return $currentstring;
3952: }
3953:
3954: sub end_iframe {
3955: my ($target,$token) = @_;
3956: my $currentstring = '';
1.325 albertel 3957: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3958: $currentstring = $token->[2];
3959: }
3960: return $currentstring;
3961: }
3962:
1.181 sakharuk 3963: #-- <ins> tag (end tag required)
1.122 albertel 3964: sub start_ins {
3965: my ($target,$token) = @_;
3966: my $currentstring = '';
1.325 albertel 3967: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3968: $currentstring = $token->[4];
3969: }
3970: return $currentstring;
3971: }
3972:
3973: sub end_ins {
3974: my ($target,$token) = @_;
3975: my $currentstring = '';
1.325 albertel 3976: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3977: $currentstring = $token->[2];
3978: }
3979: return $currentstring;
3980: }
3981:
1.181 sakharuk 3982: #-- <isindex> tag (end tag forbidden)
1.122 albertel 3983: sub start_isindex {
3984: my ($target,$token) = @_;
3985: my $currentstring = '';
1.325 albertel 3986: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3987: $currentstring = $token->[4];
3988: }
3989: return $currentstring;
3990: }
3991:
3992: sub end_isindex {
3993: my ($target,$token) = @_;
3994: my $currentstring = '';
1.325 albertel 3995: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3996: $currentstring = $token->[2];
3997: }
3998: return $currentstring;
3999: }
4000:
1.181 sakharuk 4001: #-- <keygen> tag (end tag forbidden)
1.122 albertel 4002: sub start_keygen {
4003: my ($target,$token) = @_;
4004: my $currentstring = '';
1.325 albertel 4005: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4006: $currentstring = $token->[4];
4007: }
4008: return $currentstring;
4009: }
4010:
4011: sub end_keygen {
4012: my ($target,$token) = @_;
4013: my $currentstring = '';
1.325 albertel 4014: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4015: $currentstring = $token->[2];
4016: }
4017: return $currentstring;
4018: }
4019:
4020: #-- <label> tag
4021: sub start_label {
4022: my ($target,$token) = @_;
4023: my $currentstring = '';
1.325 albertel 4024: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4025: $currentstring = $token->[4];
4026: }
4027: return $currentstring;
4028: }
4029:
4030: sub end_label {
4031: my ($target,$token) = @_;
4032: my $currentstring = '';
1.325 albertel 4033: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4034: $currentstring = $token->[2];
4035: }
4036: return $currentstring;
4037: }
4038:
1.181 sakharuk 4039: #-- <layer> tag (end tag required)
1.122 albertel 4040: sub start_layer {
4041: my ($target,$token) = @_;
4042: my $currentstring = '';
1.325 albertel 4043: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4044: $currentstring = $token->[4];
4045: }
4046: return $currentstring;
4047: }
4048:
4049: sub end_layer {
4050: my ($target,$token) = @_;
4051: my $currentstring = '';
1.325 albertel 4052: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4053: $currentstring = $token->[2];
4054: }
4055: return $currentstring;
4056: }
4057:
1.181 sakharuk 4058: #-- <legend> tag (end tag required)
1.122 albertel 4059: sub start_legend {
4060: my ($target,$token) = @_;
4061: my $currentstring = '';
1.325 albertel 4062: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4063: $currentstring = $token->[4];
4064: }
4065: return $currentstring;
4066: }
4067:
4068: sub end_legend {
4069: my ($target,$token) = @_;
4070: my $currentstring = '';
1.325 albertel 4071: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4072: $currentstring = $token->[2];
4073: }
4074: return $currentstring;
4075: }
4076:
1.181 sakharuk 4077: #-- <link> tag (end tag forbidden)
1.122 albertel 4078: sub start_link {
1.292 albertel 4079: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 4080: my $currentstring = '';
1.324 albertel 4081: if ($target eq 'web' || $target eq 'webgrade') {
1.291 albertel 4082: my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval,
4083: undef,1);
4084: &Apache::lonxml::extlink($href);
1.122 albertel 4085: $currentstring = $token->[4];
4086: }
4087: return $currentstring;
4088: }
4089:
4090: sub end_link {
4091: my ($target,$token) = @_;
4092: my $currentstring = '';
1.325 albertel 4093: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4094: $currentstring = $token->[2];
4095: }
4096: return $currentstring;
4097: }
4098:
1.181 sakharuk 4099: #-- <marquee> tag (end tag optional)
1.122 albertel 4100: sub start_marquee {
4101: my ($target,$token) = @_;
4102: my $currentstring = '';
1.325 albertel 4103: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4104: $currentstring = $token->[4];
4105: }
4106: return $currentstring;
4107: }
4108:
4109: sub end_marquee {
4110: my ($target,$token) = @_;
4111: my $currentstring = '';
1.325 albertel 4112: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4113: $currentstring = $token->[2];
4114: }
4115: return $currentstring;
4116: }
4117:
1.179 sakharuk 4118: #-- <multicol> tag (end tag required)
4119: sub start_multicol {
1.122 albertel 4120: my ($target,$token) = @_;
1.279 foxr 4121: my $currentstring = &end_p(); # Close any pending <p>
1.325 albertel 4122: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 4123: $currentstring .= $token->[4];
1.122 albertel 4124: }
4125: return $currentstring;
4126: }
4127:
1.179 sakharuk 4128: sub end_multicol {
1.122 albertel 4129: my ($target,$token) = @_;
4130: my $currentstring = '';
1.325 albertel 4131: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4132: $currentstring = $token->[2];
4133: }
4134: return $currentstring;
4135: }
4136:
1.179 sakharuk 4137: #-- <nobr> tag (end tag required)
1.122 albertel 4138: sub start_nobr {
4139: my ($target,$token) = @_;
4140: my $currentstring = '';
1.325 albertel 4141: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4142: $currentstring = $token->[4];
1.179 sakharuk 4143: } elsif ($target eq 'tex') {
4144: $currentstring='\mbox{';
4145: }
1.122 albertel 4146: return $currentstring;
4147: }
4148:
4149: sub end_nobr {
4150: my ($target,$token) = @_;
4151: my $currentstring = '';
1.325 albertel 4152: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4153: $currentstring = $token->[2];
1.179 sakharuk 4154: } elsif ($target eq 'tex') {
4155: $currentstring='}';
4156: }
1.122 albertel 4157: return $currentstring;
4158: }
4159:
1.179 sakharuk 4160: #-- <noembed> tag (end tag required)
1.122 albertel 4161: sub start_noembed {
4162: my ($target,$token) = @_;
4163: my $currentstring = '';
1.325 albertel 4164: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4165: $currentstring = $token->[4];
4166: }
4167: return $currentstring;
4168: }
4169:
4170: sub end_noembed {
4171: my ($target,$token) = @_;
4172: my $currentstring = '';
1.325 albertel 4173: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4174: $currentstring = $token->[2];
4175: }
4176: return $currentstring;
4177: }
4178:
1.179 sakharuk 4179: #-- <noframes> tag (end tag required)
1.122 albertel 4180: sub start_noframes {
4181: my ($target,$token) = @_;
4182: my $currentstring = '';
1.325 albertel 4183: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4184: $currentstring = $token->[4];
4185: }
4186: return $currentstring;
4187: }
4188:
4189: sub end_noframes {
4190: my ($target,$token) = @_;
4191: my $currentstring = '';
1.325 albertel 4192: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4193: $currentstring = $token->[2];
4194: }
4195: return $currentstring;
4196: }
4197:
1.179 sakharuk 4198: #-- <nolayer> tag (end tag required)
1.122 albertel 4199: sub start_nolayer {
4200: my ($target,$token) = @_;
4201: my $currentstring = '';
1.325 albertel 4202: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4203: $currentstring = $token->[4];
4204: }
4205: return $currentstring;
4206: }
4207:
4208: sub end_nolayer {
4209: my ($target,$token) = @_;
4210: my $currentstring = '';
1.325 albertel 4211: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4212: $currentstring = $token->[2];
4213: }
4214: return $currentstring;
4215: }
4216:
1.179 sakharuk 4217: #-- <noscript> tag (end tag required)
1.122 albertel 4218: sub start_noscript {
4219: my ($target,$token) = @_;
4220: my $currentstring = '';
1.325 albertel 4221: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4222: $currentstring = $token->[4];
4223: }
4224: return $currentstring;
4225: }
4226:
4227: sub end_noscript {
4228: my ($target,$token) = @_;
4229: my $currentstring = '';
1.325 albertel 4230: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4231: $currentstring = $token->[2];
4232: }
4233: return $currentstring;
4234: }
4235:
1.179 sakharuk 4236: #-- <object> tag (end tag required)
1.122 albertel 4237: sub start_object {
4238: my ($target,$token) = @_;
4239: my $currentstring = '';
1.325 albertel 4240: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4241: $currentstring = $token->[4];
4242: }
4243: return $currentstring;
4244: }
4245:
4246: sub end_object {
4247: my ($target,$token) = @_;
4248: my $currentstring = '';
1.325 albertel 4249: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4250: $currentstring = $token->[2];
4251: }
4252: return $currentstring;
4253: }
4254:
1.179 sakharuk 4255: #-- <optgroup> tag (end tag required)
1.122 albertel 4256: sub start_optgroup {
4257: my ($target,$token) = @_;
4258: my $currentstring = '';
1.325 albertel 4259: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4260: $currentstring = $token->[4];
4261: }
4262: return $currentstring;
4263: }
4264:
4265: sub end_optgroup {
4266: my ($target,$token) = @_;
4267: my $currentstring = '';
1.325 albertel 4268: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4269: $currentstring = $token->[2];
4270: }
4271: return $currentstring;
4272: }
4273:
1.179 sakharuk 4274: #-- <samp> tag (end tag required)
1.122 albertel 4275: sub start_samp {
4276: my ($target,$token) = @_;
4277: my $currentstring = '';
1.325 albertel 4278: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4279: $currentstring = $token->[4];
1.179 sakharuk 4280: } elsif ($target eq 'tex') {
4281: $currentstring='\texttt{';
4282: }
1.122 albertel 4283: return $currentstring;
4284: }
4285:
4286: sub end_samp {
4287: my ($target,$token) = @_;
4288: my $currentstring = '';
1.325 albertel 4289: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4290: $currentstring = $token->[2];
1.179 sakharuk 4291: } elsif ($target eq 'tex') {
4292: $currentstring='}';
4293: }
1.122 albertel 4294: return $currentstring;
4295: }
4296:
4297: #-- <server> tag
4298: sub start_server {
4299: my ($target,$token) = @_;
4300: my $currentstring = '';
1.325 albertel 4301: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4302: $currentstring = $token->[4];
4303: }
4304: return $currentstring;
4305: }
4306:
4307: sub end_server {
4308: my ($target,$token) = @_;
4309: my $currentstring = '';
1.325 albertel 4310: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4311: $currentstring = $token->[2];
4312: }
4313: return $currentstring;
4314: }
4315:
1.179 sakharuk 4316: #-- <spacer> tag (end tag forbidden)
1.122 albertel 4317: sub start_spacer {
4318: my ($target,$token) = @_;
1.279 foxr 4319: my $currentstring = &end_p(); # Close off any open <p> tag.
1.325 albertel 4320: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 4321: $currentstring .= $token->[4];
1.122 albertel 4322: }
4323: return $currentstring;
4324: }
4325:
4326: sub end_spacer {
4327: my ($target,$token) = @_;
4328: my $currentstring = '';
1.325 albertel 4329: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4330: $currentstring = $token->[2];
4331: }
4332: return $currentstring;
4333: }
4334:
1.179 sakharuk 4335: #-- <span> tag (end tag required)
1.122 albertel 4336: sub start_span {
4337: my ($target,$token) = @_;
4338: my $currentstring = '';
1.325 albertel 4339: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4340: $currentstring = $token->[4];
4341: }
4342: return $currentstring;
4343: }
4344:
4345: sub end_span {
4346: my ($target,$token) = @_;
4347: my $currentstring = '';
1.325 albertel 4348: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4349: $currentstring = $token->[2];
4350: }
4351: return $currentstring;
4352: }
4353:
1.179 sakharuk 4354: #-- <tbody> tag (end tag optional)
1.122 albertel 4355: sub start_tbody {
4356: my ($target,$token) = @_;
4357: my $currentstring = '';
1.325 albertel 4358: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4359: $currentstring = $token->[4];
4360: }
4361: return $currentstring;
4362: }
4363:
4364: sub end_tbody {
4365: my ($target,$token) = @_;
4366: my $currentstring = '';
1.325 albertel 4367: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4368: $currentstring = $token->[2];
4369: }
4370: return $currentstring;
4371: }
4372:
1.166 sakharuk 4373: #-- <tfoot> tag (end tag optional)
1.122 albertel 4374: sub start_tfoot {
4375: my ($target,$token) = @_;
4376: my $currentstring = '';
1.325 albertel 4377: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4378: $currentstring = $token->[4];
4379: }
4380: return $currentstring;
4381: }
4382:
4383: sub end_tfoot {
4384: my ($target,$token) = @_;
4385: my $currentstring = '';
1.325 albertel 4386: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4387: $currentstring = $token->[2];
4388: }
4389: return $currentstring;
4390: }
4391:
1.166 sakharuk 4392: #-- <thead> tag (end tag optional)
1.122 albertel 4393: sub start_thead {
4394: my ($target,$token) = @_;
4395: my $currentstring = '';
1.325 albertel 4396: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4397: $currentstring = $token->[4];
4398: }
4399: return $currentstring;
4400: }
1.10 www 4401:
1.122 albertel 4402: sub end_thead {
4403: my ($target,$token) = @_;
4404: my $currentstring = '';
1.325 albertel 4405: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4406: $currentstring = $token->[2];
4407: }
4408: return $currentstring;
4409: }
1.119 www 4410:
1.122 albertel 4411: #-- <var> tag
4412: sub start_var {
1.44 sakharuk 4413: my ($target,$token) = @_;
4414: my $currentstring = '';
1.325 albertel 4415: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4416: $currentstring = $token->[4];
1.163 sakharuk 4417: } elsif ($target eq 'tex') {
4418: $currentstring = '\textit{';
4419: }
1.44 sakharuk 4420: return $currentstring;
4421: }
1.10 www 4422:
1.122 albertel 4423: sub end_var {
4424: my ($target,$token) = @_;
1.44 sakharuk 4425: my $currentstring = '';
1.325 albertel 4426: if ($target eq 'web' || $target eq 'webgrade') {
1.163 sakharuk 4427: $currentstring = $token->[2];
4428: } elsif ($target eq 'tex') {
4429: $currentstring = '}';
1.44 sakharuk 4430: }
4431: return $currentstring;
4432: }
1.119 www 4433:
1.163 sakharuk 4434: #-- <wbr> tag (end tag forbidden)
1.122 albertel 4435: sub start_wbr {
4436: my ($target,$token) = @_;
4437: my $currentstring = '';
1.325 albertel 4438: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4439: $currentstring = $token->[4];
4440: }
4441: return $currentstring;
1.98 albertel 4442: }
4443:
1.122 albertel 4444: sub end_wbr {
4445: my ($target,$token) = @_;
4446: my $currentstring = '';
1.325 albertel 4447: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4448: $currentstring = $token->[2];
4449: }
4450: return $currentstring;
1.98 albertel 4451: }
1.134 sakharuk 4452:
4453: #-- <hideweboutput> tag
4454: sub start_hideweboutput {
4455: my ($target,$token) = @_;
1.325 albertel 4456: if ($target eq 'web' || $target eq 'webgrade') {
1.134 sakharuk 4457: &Apache::lonxml::startredirection();
4458: }
4459: return '';
4460: }
4461:
4462: sub end_hideweboutput {
4463: my ($target,$token) = @_;
4464: my $currentstring = '';
1.325 albertel 4465: if ($target eq 'web' || $target eq 'webgrade') {
1.134 sakharuk 4466: $currentstring = &Apache::lonxml::endredirection();
4467: }
4468: return '';
4469: }
4470:
1.94 sakharuk 4471:
4472: sub image_replication {
4473: my $src = shift;
1.187 albertel 4474: if (not -e $src) { &Apache::lonnet::repcopy($src); }
4475: #replicates eps or ps
4476: my $epssrc = my $pssrc = $src;
4477: $epssrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
4478: $pssrc =~ s/\.(gif|jpg|jpeg|png)$/.ps/i;
4479: if (not -e $epssrc && not -e $pssrc) {
4480: my $result=&Apache::lonnet::repcopy($epssrc);
1.264 raeburn 4481: if ($result ne 'ok') { &Apache::lonnet::repcopy($pssrc); }
1.94 sakharuk 4482: }
4483: return '';
1.195 sakharuk 4484: }
1.397 jms 4485:
4486:
4487:
1.275 foxr 4488: sub resize_image {
4489: my ($height_param, $width_param, $scaling,
4490: $parstack, $safeeval, $depth, $cis) = @_;
4491:
4492: # First apply the scaling...
1.271 foxr 4493:
1.275 foxr 4494: $height_param = $height_param * $scaling;
4495: $width_param = $width_param * $scaling;
1.261 foxr 4496:
1.197 sakharuk 4497: #do we have any specified LaTeX size of the picture?
1.261 foxr 4498: my $toget='TeXwidth';
4499: if ($cis) {
4500: $toget=lc($toget);
4501: }
1.256 albertel 4502: my $TeXwidth = &Apache::lonxml::get_param($toget,$parstack,
4503: $safeeval,$depth,$cis);
4504: $toget='TeXheight'; if ($cis) { $toget=lc($toget); }
4505: my $TeXheight = &Apache::lonxml::get_param($toget,$parstack,
4506: $safeeval,$depth,$cis);
1.197 sakharuk 4507: #do we have any specified web size of the picture?
4508: my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
1.256 albertel 4509: $depth,1);
4510: if ($TeXwidth) {
1.252 matthew 4511: my $old_width_param=$width_param;
1.197 sakharuk 4512: if ($TeXwidth=~/(\d+)\s*\%/) {
1.267 albertel 4513: $width_param = $1*$env{'form.textwidth'}/100;
1.197 sakharuk 4514: } else {
4515: $width_param = $TeXwidth;
4516: }
1.266 albertel 4517: if ($TeXheight) {
4518: $height_param = $TeXheight;
4519: } elsif ($old_width_param) {
4520: $height_param=$TeXwidth/$old_width_param*$height_param;
4521: }
1.256 albertel 4522: } elsif ($TeXheight) {
1.248 foxr 4523: $height_param = $TeXheight;
1.266 albertel 4524: if ($height_param) {
4525: $width_param = $TeXheight/$height_param*$width_param;
4526: }
1.256 albertel 4527: } elsif ($width) {
1.252 matthew 4528: my $old_width_param=$width_param;
1.256 albertel 4529: $width_param = $width*$scaling;
1.266 albertel 4530: if ($old_width_param) {
4531: $height_param=$width_param/$old_width_param*$height_param;
4532: }
1.252 matthew 4533: }
1.267 albertel 4534: if ($width_param > $env{'form.textwidth'}) {
1.252 matthew 4535: my $old_width_param=$width_param;
1.267 albertel 4536: $width_param =0.95*$env{'form.textwidth'};
1.266 albertel 4537: if ($old_width_param) {
4538: $height_param=$width_param/$old_width_param*$height_param;
4539: }
1.197 sakharuk 4540: }
1.275 foxr 4541:
4542: return ($height_param, $width_param);
4543: }
4544:
4545: sub image_size {
4546: my ($src,$scaling,$parstack,$safeeval,$depth,$cis)=@_;
4547:
4548: #size of image from gif/jpg/jpeg/png
4549: my $ressrc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
4550: if (-e $ressrc) {
4551: $src = $ressrc;
4552: }
4553: my $image = Image::Magick->new;
4554: my $current_figure = $image->Read($src);
4555: my $width_param = $image->Get('width');
4556: my $height_param = $image->Get('height');
4557: &Apache::lonxml::debug("Image magick says: $src : Height = $height_param width = $width_param");
4558: undef($image);
4559:
4560: ($height_param, $width_param) = &resize_image($height_param, $width_param,
4561: $scaling, $parstack, $safeeval,
4562: $depth, $cis);
4563:
1.248 foxr 4564: return ($height_param, $width_param);
4565: }
4566:
4567: sub image_width {
4568: my ($height, $width) = &image_size(@_);
4569: return $width;
4570: }
4571: # Not yet 100% sure this is correct in all circumstances..
4572: # due to my uncertainty about mods to image_size.
4573: #
4574: sub image_height {
4575: my ($height, $width) = &image_size(@_);
4576: return $height;
1.197 sakharuk 4577: }
4578:
1.256 albertel 4579: sub get_eps_image {
4580: my ($src)=@_;
1.261 foxr 4581: my $orig_src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1], $src);
1.285 foxr 4582:
4583: # In order to prevent the substitution of the alt text, we need to
4584: # be sure the orig_src file is on system now so:
4585:
4586: if (! -e $orig_src) {
4587: &Apache::lonnet::repcopy($orig_src); # Failure is not completely fatal.
4588: }
1.275 foxr 4589: &Apache::lonxml::debug("get_eps_image: Original image: $orig_src");
1.390 foxr 4590: my ($spath, $sname, $sext) = &fileparse($src, qr/\.(bmp|gif|png|jpg|jpeg)/i);
4591: $src=~s/\.(bmp|gif|png|jpg|jpeg)$/\.eps/i;
1.256 albertel 4592: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1.275 foxr 4593: &Apache::lonxml::debug("Filelocation gives: $src");
1.256 albertel 4594: if (! -e $src) {
1.261 foxr 4595: &Apache::lonxml::debug("$src does not exist");
1.264 raeburn 4596: if (&Apache::lonnet::repcopy($src) ne 'ok' ) {
1.261 foxr 4597: &Apache::lonxml::debug("Repcopy of $src failed (1)");
1.256 albertel 4598: #if replication failed try to find ps file
4599: $src=~s/\.eps$/\.ps/;
1.261 foxr 4600: &Apache::lonxml::debug("Now looking for $src");
1.270 foxr 4601: #if no ps file try to replicate it.
4602: my $didrepcopy = &Apache::lonnet::repcopy($src);
4603: &Apache::lonxml::debug("repcopy of $src ... $didrepcopy");
4604: if ( (not -e $src) ||
4605: ($didrepcopy ne 'ok')) {
1.261 foxr 4606: &Apache::lonxml::debug("Failed to find or replicate $src");
4607:
1.256 albertel 4608: #if replication failed try to produce eps file dynamically
4609: $src=~s/\.ps$/\.eps/;
4610: my $temp_file;
1.267 albertel 4611: open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
1.256 albertel 4612: my $newsrc=$orig_src;
4613: $newsrc =~ s|(.*)/res/|/home/httpd/html/res/|;
1.275 foxr 4614: &Apache::lonxml::debug("queueing $newsrc for dynamic eps production.");
1.344 albertel 4615: print FILE ("$newsrc\n");
4616: close(FILE);
1.256 albertel 4617: $src=~s|/home/httpd/html/res|/home/httpd/prtspool|;
4618: $src=~s|/home/([^/]*)/public_html/|/home/httpd/prtspool/$1/|;
1.283 albertel 4619: if ($sext ne "") { # Put the ext. back in to uniquify.
4620: $src =~ s/\.eps$/$sext.eps/;
4621: }
1.341 foxr 4622:
1.256 albertel 4623: }
1.343 foxr 4624:
1.256 albertel 4625: }
1.341 foxr 4626: } else {
4627: # If the postscript file has spaces in its name,
4628: # LaTeX will gratuitiously vomit. Therefore
4629: # queue such files for copy with " " replaced by "_".
4630: # printout.pm will know them by their .ps or .eps extensions.
4631: my $newsrc = $orig_src;
4632: $newsrc =~ s|(.*)/res/|/home/httpd/html/res/|;
4633: open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
1.343 foxr 4634: print FILE "$src\n";
1.341 foxr 4635: close FILE;
4636: $src=~s|/home/httpd/html/res|/home/httpd/prtspool|;
4637: $src=~s|/home/([^/]*)/public_html/|/home/httpd/prtspool/$1/|;
1.256 albertel 4638: }
4639: my ($path,$file)=($src=~m|(.*)/([^/]*)$|);
1.344 albertel 4640: $path =~ s/ /\_/g;
1.343 foxr 4641: $file =~ s/ /\_/g;
1.261 foxr 4642: &Apache::lonxml::debug("get_eps_image returning: $path / $file<BR />");
1.256 albertel 4643: return ($path.'/',$file);
4644: }
4645:
1.195 sakharuk 4646: sub eps_generation {
4647: my ($src,$file,$width_param) = @_;
1.267 albertel 4648: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.195 sakharuk 4649: my $temp_file = Apache::File->new('>>'.$filename);
4650: print $temp_file "$src\n";
4651: my $newsrc = $src;
1.390 foxr 4652: $newsrc =~ s/(\.bmp|\.gif|\.jpg|\.jpeg)$/\.eps/i;
1.345 albertel 4653: $newsrc=~s{/home/httpd/html/res}{};
4654: $newsrc=~s{/home/($LONCAPA::username_re)/public_html/}{/$1/};
4655: $newsrc=~s{/\./}{/};
4656: $newsrc=~s{/([^/]+)\.(ps|eps)}{/};
4657: if ($newsrc=~m{/home/httpd/lonUsers/}) {
4658: $newsrc=~s{/home/httpd/lonUsers}{};
4659: $newsrc=~s{/($LONCAPA::domain_re)/./././}{/$1/};
1.213 sakharuk 4660: }
1.345 albertel 4661: if ($newsrc=~m{/userfiles/}) {
1.239 sakharuk 4662: return ' \graphicspath{{'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
4663: } else {
4664: return ' \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
4665: }
1.197 sakharuk 4666: }
4667:
4668: sub file_path {
4669: my $src=shift;
4670: my ($file,$path);
4671: if ($src =~ m!(.*)/([^/]*)$!) {
4672: $file = $2;
4673: $path = $1.'/';
4674: }
4675: return $file,$path;
1.126 sakharuk 4676: }
1.397 jms 4677:
4678:
1.126 sakharuk 4679: sub recalc {
4680: my $argument = shift;
4681: if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
1.132 sakharuk 4682: $argument=~/\s*(\d+\.?\d*)\s*(mm|cm|in|pc|pt)/;
1.126 sakharuk 4683: my $value=$1;
4684: my $units=$2;
4685: if ($units eq 'cm') {
4686: $value*=10;
4687: } elsif ($units eq 'in') {
4688: $value*=25.4;
4689: } elsif ($units eq 'pc') {
4690: $value*=(25.4*12/72.27);
4691: } elsif ($units eq 'pt') {
4692: $value*=(25.4/72.27);
4693: }
4694: return $value.' mm';
1.94 sakharuk 4695: }
1.184 sakharuk 4696:
4697: sub LATEX_length {
4698: my $garbage=shift;
1.206 sakharuk 4699: $garbage=~s/^\s+$//;
4700: $garbage=~s/^\s+(\S.*)/$1/;#space before
4701: $garbage=~s/(.*\S)\s+$/$1/;#space after
4702: $garbage=~s/(\s)+/$1/;#only one space
4703: $garbage=~s/(\\begin{([^\}]+)}|\\end{([^\}]+)})//g;#remove LaTeX \begin{...} and \end{...}
4704: $garbage=~s/(\$\_\{|\$\_|\$\^{|\$\^|\}\$)//g;#remove $_{,$_,$^{,$^,}$
4705: $garbage=~s/([^\\])\$/$1/g;#$
4706: $garbage=~s/(\\ensuremath\{\_\{|\\ensuremath\{\_|\\ensuremath\{\^{|\\ensuremath\{\^|\})//g;#remove \ensuremath{...}
4707: $garbage=~s/(\\alpha|\\beta|\\gamma|\\delta|\\epsilon|\\verepsilon|\\zeta|\\eta|\\theta|\\vartheta|\\iota|\\kappa|\\lambda|\\mu|\\nu|\\xi|\\pi|\\varpi|\\rho|\\varrho|\\sigma|\\varsigma|\\tau|\\upsilon|\\phi|\\varphi|\\chi|\\psi|\\omega|\\Gamma|\\Delta|\\Theta|\\Lambda|\\Xi|\\Pi|\\Sigma|\\Upsilon|\\Phi|\\Psi|\\Omega)/1/g;
1.184 sakharuk 4708: $garbage=~s/(\\pm|\\mp|\\times|\\div|\\cdot|\\ast|\\star|\\dagger|\\ddagger|\\amalg|\\cap|\\cup|\\uplus|\\sqcap|\\sqcup|\\vee|\\wedge|\\oplus|\\ominus|\\otimes|\\circ|\\bullet|\\diamond|\\lhd|\\rhd|\\unlhd|\\unrhd|\\oslash|\\odot|\\bigcirc|\\Box|\\Diamond|\\bigtriangleup|\\bigtriangledown|\\triangleleft|\\triangleright|\\setminus|\\wr)/1/g;
4709: $garbage=~s/(\\le|\\ll|\\leq|\\ge|\\geq|\\gg|\\neq|\\doreq|\\sim|\\simeq|\\subset|\\subseteq|\\sqsubset|\\sqsubseteq|\\in|\\vdash|\\models|\\supset|\\supseteq|\\sqsupset|\\sqsupseteq|\\ni|\\dash|\\perp|\\approx|\\cong|\\equiv|\\propto|\\prec|\\preceq|\\parallel|\\asymp|\\smile|\\frown|\\bowtie|\\succ|\\succeq|\\mid)/1/g;
4710: $garbage=~s/(\\not<|\\\\not\\le|\\not\\prec|\\not\\preceq|\\not\\subset|\\not\\subseteq|\\not\\sqsubseteq|\\not\\in|\\not>|\\not\\ge|\\not\\succ|\\notsucceq|\\not\\supset|\\notsupseteq|\\not\\sqsupseteq|\\notin|\\not=|\\not\\equiv|\\not\\sim|\\not\\simeq|\\not\\approx|\\not\\cong|\\not\\asymp)/1/g;
1.206 sakharuk 4711: $garbage=~s/(\\leftarrow|\\gets|\\Leftarrow|\\rightarrow|\\to|\\Rightarrow|\\leftrightarrow|\\Leftrightarrow|\\mapsto|\\hookleftarrow|\\leftharpoonup|\\leftkarpoondown|\\rightleftharpoons|\\longleftarrow|\\Longleftarrow|\\longrightarrow|\\Longrightarrow|\\longleftrightarrow|\\Longleftrightarrow|\\longmapsto|\\hookrightarrow|\\rightharpoonup|\\rightharpoondown|\\uparrow|\\Uparrow|\\downarrow|\\Downarrow|\\updownarrow|\\Updownarrow|\\nearrow|\\searrow|\\swarrow|\\nwarrow)/11/g;
4712: $garbage=~s/(\\aleph|\\hbar|\\imath|\\jmath|\\ell|\\wp|\\Re|\\Im|\\mho|\\prime|\\emptyset|\\nabla|\\surd|\\partial|\\top|\\bot|\\vdash|\\dashv|\\forall|\\exists|\\neg|\\flat|\\natural|\\sharp|\\\||\\angle|\\backslash|\\Box|\\Diamond|\\triangle|\\clubsuit|\\diamondsuit|\\heartsuit|\\spadesuit|\\Join|\\infty)/11/g;
4713: $garbage=~s/(\\hat{([^}]+)}|\\check{([^}]+)}|\\dot{([^}]+)}|\\breve{([^}]+)}|\\acute{([^}]+)}|\\ddot{([^}]+)}|\\grave{([^}]+)}|\\tilde{([^}]+)}|\\mathring{([^}]+)}|\\bar{([^}]+)}|\\vec{([^}]+)})/$1/g;
4714: #remove some other LaTeX command
4715: $garbage=~s|\\(\w+)\\|\\|g;
4716: $garbage=~s|\\(\w+)(\s*)|$2|g;
4717: $garbage=~s|\+|11|g;
1.184 sakharuk 4718: my $value=length($garbage);
4719: return $value;
4720: }
4721:
1.397 jms 4722:
1.353 foxr 4723: sub align_latex_image {
4724: my ($align, $latex_rendering, $image, $width, $height) = @_;
1.354 foxr 4725: my $currentstring; # The 1/2 wrapped image.
4726: my $closure; # The closure of the wrappage.
1.379 albertel 4727:
4728: # if it's none just return it back
4729: if ($latex_rendering eq 'none') {
4730: return ($image,'');
4731: }
4732:
1.353 foxr 4733: # If there's an alignment specification we need to honor it here.
4734: # For the horizontal alignments, we will also honor the
4735: # value of the latex specfication. The default is parbox,
4736: # and that's used for illegal values too.
4737: #
4738: # Even though we set a default alignment value, the user
4739: # could have given us an illegal value. In that case we
4740: # just use the default alignment of bottom..
1.403.4.1 raeburn 4741: $currentstring = '';
1.353 foxr 4742: if ($align eq "top") {
1.354 foxr 4743: $currentstring .= '\raisebox{-'.$height.'mm}{'.$image;
4744: $closure = '}';
1.353 foxr 4745: } elsif (($align eq "center") || ($align eq "middle")) { # Being kind
4746: my $offset = $height/2;
1.354 foxr 4747: $currentstring .= '\raisebox{-'.$offset.'mm}{'.$image;
4748: $closure = '}';
1.353 foxr 4749: } elsif ($align eq "left") {
4750: if ($latex_rendering eq "parpic") {
1.354 foxr 4751: $currentstring .= '\parpic[l]{'.$image;
4752: $closure = '}';
1.353 foxr 4753: } elsif ($latex_rendering eq "parbox") {
1.354 foxr 4754: $currentstring .= '\begin{minipage}[l]{'.$width.'mm}'
4755: .$image;
4756: $closure = '\end{minipage}';
1.353 foxr 4757: } elsif ($latex_rendering eq "wrapfigure"
4758: || $latex_rendering ne 'none') { # wrapfig render
1.354 foxr 4759: $currentstring .=
1.353 foxr 4760: '\begin{wrapfigure}{l}{'.$width.'mm}'
1.354 foxr 4761: .'\scalebox{1.0}{'.$image;
4762: $closure = '}\end{wrapfigure}';
1.353 foxr 4763: }
4764: } elsif ($align eq "right") {
4765: if ($latex_rendering eq "parpic") {
1.354 foxr 4766: $currentstring .= '\parpic[r]{'.$image;
4767: $closure = '}';
1.353 foxr 4768: } elsif ($latex_rendering eq "parbox") {
1.354 foxr 4769: $currentstring .= '\begin{minipage}[r]{'.$width.'mm}'
4770: .$image;
4771: $closure = '\end{minipage}';
1.353 foxr 4772: } elsif ($latex_rendering eq "wrapfigure"
4773: || $latex_rendering ne 'none') { # wrapfig render
1.354 foxr 4774: $currentstring .=
1.353 foxr 4775: '\begin{wrapfigure}{r}{'.$width.'mm}'
1.354 foxr 4776: .'\scalebox{1.0}{'.$image;
4777: $closure = '}\end{wrapfigure}';
1.353 foxr 4778: }
4779: } else { # Bottom is also default.
4780: # $currentstring = '\raisebox{'.$height.'mm}{'.$image.'}';
1.354 foxr 4781: $currentstring .= "{$image";
4782: $closure = '}';
1.353 foxr 4783: }
1.354 foxr 4784: return ($currentstring, $closure);
1.353 foxr 4785: }
1.184 sakharuk 4786:
1.397 jms 4787:
1.287 foxr 4788: sub is_inside_of {
4789: my ($tagstack, $tag) = @_;
4790: my @stack = @$tagstack;
4791: for (my $i = ($#stack - 1); $i >= 0; $i--) {
4792: if ($stack[$i] eq $tag) {
4793: return 1;
4794: }
4795: }
4796: return 0;
4797: }
1.184 sakharuk 4798:
1.94 sakharuk 4799:
1.399 foxr 4800: #
4801: # This sub provides the typical LaTeX prefix matter for tex output:
4802: #
1.403.4.1 raeburn 4803: sub latex_header {
1.402 foxr 4804: my ($mode) = @_;
1.399 foxr 4805: my $currentstring = '';
4806:
4807: $currentstring .=
1.402 foxr 4808: "\n% &Apache::lonxml::londefdef \n" .
1.399 foxr 4809: '\documentclass[letterpaper,twoside]{article}\raggedbottom';
4810: if (($env{'form.latex_type'}=~'batchmode') ||
1.402 foxr 4811: (!$env{'request.role.adv'}) ||
4812: ($mode eq 'batchmode')) {$currentstring .='\batchmode';}
1.399 foxr 4813: $currentstring .= '\newcommand{\keephidden}[1]{}'.
4814: '\renewcommand{\deg}{$^{\circ}$}'.
4815: '\usepackage{multirow}'.
4816: '\usepackage{longtable}'.
4817: '\usepackage{textcomp}'.
4818: '\usepackage{makeidx}'.
4819: '\usepackage[dvips]{graphicx}'.
4820: '\usepackage{wrapfig}'.
4821: '\usepackage{picins}'.
4822: '\usepackage[T1]{fontenc}'."\n".
4823: '\usepackage{lmodern}'."\n".
4824: '\usepackage[postscript]{ucs}'."\n".
4825: '\usepackage[utf8x]{inputenc}'."\n".
4826: '\usepackage{pifont}' ."\n".
4827: '\usepackage{latexsym}'."\n".
4828: '\usepackage{epsfig}'.
4829: "\\usepackage{xtab}\n".
4830: "\\usepackage{tabularx}\n".
4831: "\\usepackage{booktabs}\n".
4832: "\\usepackage{array}\n".
4833: "\\usepackage{colortbl}\n".
4834: "\\usepackage{xcolor}\n".
4835: '\usepackage{calc}'.
4836: '\usepackage{amsmath}'.
4837: '\usepackage{amssymb}'.
4838: '\usepackage{amsfonts}'.
4839: '\usepackage{amsthm}'.
1.402 foxr 4840: '\usepackage{amscd}'
4841: .'\usepackage{picins}\usepackage{calc}'."\n". # From lonprintout.pm
4842: '\usepackage[T1]{fontenc}'."\n".
4843: '\usepackage{lmodern}'."\n".
4844: '\usepackage[postscript]{ucs}'."\n".
4845: '\usepackage[utf8x]{inputenc}'."\n".
4846: '\usepackage{pifont}' . "\n";
4847:
1.399 foxr 4848: if($env{'form.pdfFormFields'} eq 'yes') {
4849: $currentstring .= '\usepackage{hyperref}'.
4850: '\usepackage{eforms}'.
4851: '\usepackage{tabularx}';
4852: }
4853:
4854: $currentstring .= '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'.
4855: '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large\textbf{Index}} \newline \setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}';
1.402 foxr 4856: $currentstring .= '\begin{document}';
1.399 foxr 4857:
4858: return $currentstring;
4859:
4860: }
4861:
1.397 jms 4862: =pod
4863:
4864: =head1 NAME
4865:
4866: Apache::londefdef.pm
4867:
4868: =head1 SYNOPSIS
4869:
4870: Tags Default Definition Module
4871:
4872: This is part of the LearningOnline Network with CAPA project
4873: described at http://www.lon-capa.org.
4874:
4875:
4876: =head1 NOTABLE SUBROUTINES
4877:
4878: =over
4879:
4880: =item start_hideweboutput()
4881:
4882: =item end_hideweboutput()
4883:
4884: =item image_replication()
4885:
4886: =item resize_image()
4887:
4888: Get correct sizing parameter for an image given
4889: it's initial ht. and wid. This allows sizing of
4890: images that are generated on-the-fly (e.g. gnuplot)
4891: as well as serving as a utility for image_size.
4892:
4893: Parameter:
4894: height_param
4895: width_param - Initial picture dimensions.
4896: scaling - A scale factor.
4897: parstack, - the current stack of tag attributes
4898: from the xml parser
4899: safeeval, - pointer to the safespace
4900: depth, - from what level in the stack to look for attributes
4901: (assumes -1 if unspecified)
4902: cis - look for attrubutes case insensitively
4903: (assumes false)
4904:
4905: Returns:
4906: height, width - new dimensions.
4907:
4908: =item image_size()
4909:
4910: =item image_width()
4911:
4912: =item image_height()
4913:
4914: =item get_eps_image()
4915:
4916: =item eps_generation()
4917:
4918: =item file_path()
4919:
4920: =item recalc()
4921:
4922: Converts a measurement in to mm from any of
4923: the other valid LaTeX units of measure.
4924: If the units of measure are missing from the
4925: parameter, it is assumed to be in and returned
4926: with mm units of measure
4927:
4928: =item LATEX_length()
4929:
4930: =item align_latex_image()
4931:
4932: Wrap image 'stuff' inside of the LaTeX required to implement
4933: alignment:
4934: align_tex_image(align, latex_rendering, image)
4935: Where:
4936: align - The HTML alignment specification.
4937: latex_rendering - rendering hint for latex.
4938: image - The LaTeX needed to insert the image itsef.
4939: width,height - dimensions of the image.
4940: Returns:
4941: The 1/2 wrapped image and the stuff required to close the
4942: wrappage. This allows e.g. randomlabel to insert more stuff
4943: into the closure.
4944:
4945:
4946: =item is_inside_of($tagstack, $tag)
4947: This sub returns true if the current state of Xml processing is inside of the tag.
4948: Parameters:
4949: tagstack - The tagstack from the parser.
4950: tag - The tag (without the <>'s.).
4951: Sample usage:
4952: if (is_inside_of($tagstack "table")) {
4953: I'm in a table....
4954: }
4955:
4956:
4957:
4958: =back
4959:
4960: =cut
4961:
4962:
1.1 sakharuk 4963: 1;
4964: __END__
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