Annotation of loncom/xml/londefdef.pm, revision 1.435
1.430 foxr 1:
1.1 sakharuk 2: # The LearningOnline Network with CAPA
3: # Tags Default Definition Module
4: #
1.435 ! www 5: # $Id: londefdef.pm,v 1.434 2011/10/01 03:19:06 raeburn Exp $
1.41 sakharuk 6: #
1.34 www 7: #
8: # Copyright Michigan State University Board of Trustees
9: #
10: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
11: #
12: # LON-CAPA is free software; you can redistribute it and/or modify
13: # it under the terms of the GNU General Public License as published by
14: # the Free Software Foundation; either version 2 of the License, or
15: # (at your option) any later version.
16: #
17: # LON-CAPA is distributed in the hope that it will be useful,
18: # but WITHOUT ANY WARRANTY; without even the implied warranty of
19: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20: # GNU General Public License for more details.
21: #
22: # You should have received a copy of the GNU General Public License
23: # along with LON-CAPA; if not, write to the Free Software
24: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25: #
26: # /home/httpd/html/adm/gpl.txt
27: #
28: # http://www.lon-capa.org/
1.156 sakharuk 29: ## Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
1.34 www 30: # TtHfunc and TtMfunc (the "Code") may be compiled and linked into
31: # binary executable programs or libraries distributed by the
32: # Michigan State University (the "Licensee"), but any binaries so
33: # distributed are hereby licensed only for use in the context
34: # of a program or computational system for which the Licensee is the
35: # primary author or distributor, and which performs substantial
36: # additional tasks beyond the translation of (La)TeX into HTML.
37: # The C source of the Code may not be distributed by the Licensee
38: # to any other parties under any circumstances.
39: #
1.1 sakharuk 40:
1.2 albertel 41: package Apache::londefdef;
1.1 sakharuk 42:
1.267 albertel 43: use Apache::lonnet;
1.1 sakharuk 44: use strict;
1.124 sakharuk 45: use Apache::lonxml;
1.398 foxr 46: use Apache::lontable;
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;
1.427 raeburn 51: use Apache::loncommon();
1.187 albertel 52: use Apache::Constants qw(:common);
1.282 foxr 53: use File::Basename;
1.345 albertel 54: use LONCAPA();
1.302 foxr 55: # use Data::Dumper;
1.160 sakharuk 56:
1.38 harris41 57: BEGIN {
1.15 sakharuk 58:
1.135 sakharuk 59: &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 60:
1.188 albertel 61: }
62:
1.398 foxr 63:
1.188 albertel 64: sub initialize_londefdef {
65: $Apache::londefdef::TD_redirection=0;
66: @Apache::londefdef::table = ();
67: $Apache::londefdef::select=0;
1.243 albertel 68: undef(@Apache::londefdef::description);
69: @Apache::londefdef::DD=(0);
70: @Apache::londefdef::DT=(0);
1.244 albertel 71: @Apache::londefdef::seenDT=(0);
1.238 albertel 72: $Apache::londefdef::list_index=0;
1.327 albertel 73: undef($Apache::londefdef::head);
74: undef($Apache::londefdef::title);
1.3 sakharuk 75: }
1.1 sakharuk 76:
1.35 sakharuk 77: #======================= TAG SUBROUTINES =====================
1.8 sakharuk 78: #-- <output>
1.21 albertel 79: sub start_output {
1.122 albertel 80: my ($target) = @_;
81: if ($target eq 'meta') { $Apache::lonxml::metamode--; }
82: return '';
1.21 albertel 83: }
84: sub end_output {
1.122 albertel 85: my ($target) = @_;
86: if ($target eq 'meta') { $Apache::lonxml::metamode++; }
87: return '';
1.21 albertel 88: }
1.4 sakharuk 89: #-- <m> tag
1.33 albertel 90: sub start_m {
1.190 albertel 91: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 92: my $currentstring = '';
1.193 albertel 93: my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
1.191 albertel 94: if ($target eq 'web' || $target eq 'analyze') {
1.122 albertel 95: &Apache::lonxml::debug("M is starting with:$inside:");
96: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
97: if ($eval eq 'on') {
98: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
1.392 bisitz 99: #&Apache::lonxml::debug("M is evaluated to:$inside:");
1.122 albertel 100: }
1.317 albertel 101: my $tex = $inside;
1.276 albertel 102: my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
103: $currentstring = &Apache::lontexconvert::converted(\$inside,$display);
1.122 albertel 104: if ($Apache::lontexconvert::errorstring) {
1.392 bisitz 105: my $errormsg='<pre>'.&HTML::Entities::encode($Apache::lontexconvert::errorstring,'<>&"').'</pre> occurred while attempting to convert this TeX: <pre>';
1.317 albertel 106: $tex = &HTML::Entities::encode($tex,'<>&"');
107: my ($linenumber) =
108: ($Apache::lontexconvert::errorstring =~ /Line (\d+)/);
109: if (defined($linenumber)) {
110: my @tex=split("\n",$tex);
111: $tex[$linenumber]='<b><font color="red">'.
112: $tex[$linenumber].'</font></b>';
113: $tex=join("\n",@tex);
114: }
115: &Apache::lonxml::warning($errormsg.$tex.'</pre>');
1.122 albertel 116: $Apache::lontexconvert::errorstring='';
117: }
118: #&Apache::lonxml::debug("M is ends with:$currentstring:");
1.178 albertel 119: $Apache::lonxml::post_evaluate=0;
1.122 albertel 120: } elsif ($target eq 'tex') {
1.360 foxr 121:
1.190 albertel 122: $currentstring = $inside;
1.178 albertel 123: my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
124: if ($eval eq 'on') {
125: $currentstring=&Apache::run::evaluate($currentstring,$safeeval,$$parstack[-1]);
126: }
1.122 albertel 127: if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
1.257 albertel 128: # detect simple math mode entry exits, and convert them
1.360 foxr 129: # to use \ensuremath ... unless there's a \verb inside.
130: if (! ($currentstring=~/\\verb/)) {
1.395 raeburn 131: if ($currentstring=~/^\s*\$[^\$].*\$\s*$/) {
1.360 foxr 132: $currentstring=~s/^(\s*)\$/$1/;
133: $currentstring=~s/\$(\s*)$/$1/;
134: $currentstring='\ensuremath{'.$currentstring.'}';
135: }
1.257 albertel 136: }
1.178 albertel 137: $Apache::lonxml::post_evaluate=0;
1.122 albertel 138: }
139: return $currentstring;
1.33 albertel 140: }
1.122 albertel 141:
1.33 albertel 142: sub end_m {
1.122 albertel 143: my ($target,$token) = @_;
144: my $currentstring = '';
1.204 albertel 145: if ($target eq 'tex') {
1.122 albertel 146: $currentstring = "";
147: }
148: return $currentstring;
1.33 albertel 149: }
1.110 albertel 150:
151: sub start_tthoption {
1.299 albertel 152: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 153: my $result;
1.325 albertel 154: if ($target eq 'web' || $target eq 'webgrade') {
1.299 albertel 155: my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser,
156: $style);
1.122 albertel 157: $inside=~s/^\s*//;
1.267 albertel 158: if ($env{'browser.mathml'}) {
1.122 albertel 159: &tth::ttmoptions($inside);
160: } else {
161: &tth::tthoptions($inside);
162: }
163: }
164: return $result;
1.110 albertel 165: }
166:
167: sub end_tthoption {
1.122 albertel 168: my ($target,$token) = @_;
169: my $result;
170: return $result;
1.110 albertel 171: }
172:
1.181 sakharuk 173: #-- <html> tag (end tag optional)
1.100 albertel 174: sub start_html {
175: my ($target,$token) = @_;
176: my $currentstring = '';
1.269 albertel 177: if ($target eq 'web' || $target eq 'edit' || $target eq 'webgrade' ) {
1.327 albertel 178: # start_body() takes care of emitting the <html>
1.100 albertel 179: } elsif ($target eq 'tex') {
1.391 onken 180:
1.399 foxr 181: $currentstring .= &latex_header();
1.100 albertel 182: }
183: return $currentstring;
184: }
1.122 albertel 185:
186: sub end_html {
1.232 sakharuk 187: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 188: my $currentstring = '';
1.324 albertel 189: if ($target eq 'web' || $target eq 'webgrade') {
1.327 albertel 190: # end_body takes care of the </html>
1.122 albertel 191: }
192: return $currentstring;
193: }
194:
1.181 sakharuk 195: #-- <head> tag (end tag optional)
1.122 albertel 196: sub start_head {
197: my ($target,$token) = @_;
198: my $currentstring = '';
1.324 albertel 199: if ($target eq 'web' || $target eq 'webgrade') {
1.327 albertel 200: &Apache::lonxml::startredirection();
1.122 albertel 201: }
202: return $currentstring;
203: }
204:
205: sub end_head {
206: my ($target,$token) = @_;
207: my $currentstring = '';
1.324 albertel 208: if (($target eq 'web' && $env{'request.state'} eq 'published') ||
209: ($target eq 'webgrade' && $env{'request.state'} eq 'published')) {
1.327 albertel 210: # in case there is a </head> but no <head>
211: if ($Apache::lonxml::redirection) {
212: $Apache::londefdef::head = &Apache::lonxml::endredirection();
213: }
1.122 albertel 214: }
215: return $currentstring;
216: }
217:
1.181 sakharuk 218: #-- <map> tag (end tag required)
1.122 albertel 219: sub start_map {
220: my ($target,$token) = @_;
221: my $currentstring = '';
1.325 albertel 222: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 223: $currentstring = $token->[4];
224: }
225: return $currentstring;
226: }
227:
228: sub end_map {
229: my ($target,$token) = @_;
230: my $currentstring = '';
1.325 albertel 231: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 232: $currentstring = $token->[2];
233: }
234: return $currentstring;
235: }
236:
1.181 sakharuk 237: #-- <select> tag (end tag required)
1.122 albertel 238: sub start_select {
239: my ($target,$token) = @_;
240: my $currentstring = '';
1.325 albertel 241: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 242: $currentstring = $token->[4];
1.181 sakharuk 243: } elsif ($target eq 'tex') {
244: $Apache::londefdef::select=0;
245: }
1.122 albertel 246: return $currentstring;
247: }
248:
249: sub end_select {
250: my ($target,$token) = @_;
251: my $currentstring = '';
1.325 albertel 252: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 253: $currentstring = $token->[2];
254: }
255: return $currentstring;
256: }
257:
1.181 sakharuk 258: #-- <option> tag (end tag optional)
1.122 albertel 259: sub start_option {
1.181 sakharuk 260: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 261: my $currentstring = '';
1.325 albertel 262: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 263: $currentstring = $token->[4];
1.181 sakharuk 264: } elsif ($target eq 'tex') {
265: $Apache::londefdef::select++;
266: if ($Apache::londefdef::select == 1) {
267: $currentstring='\noindent\fbox{'.&Apache::lonxml::get_param('value',$parstack,$safeeval).'}\keephidden{';
268: } else {
269: $currentstring='\keephidden{';
270: }
271: }
1.122 albertel 272: return $currentstring;
273: }
274:
275: sub end_option {
276: my ($target,$token) = @_;
277: my $currentstring = '';
1.325 albertel 278: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 279: $currentstring = $token->[2];
1.181 sakharuk 280: } elsif ($target eq 'tex') {
281: $currentstring='}';
282: }
1.122 albertel 283: return $currentstring;
284: }
285:
1.181 sakharuk 286: #-- <input> tag (end tag forbidden)
1.122 albertel 287: sub start_input {
288: my ($target,$token) = @_;
289: my $currentstring = '';
1.325 albertel 290: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 291: $currentstring = $token->[4];
292: }
293: return $currentstring;
294: }
295:
296: sub end_input {
297: my ($target,$token) = @_;
298: my $currentstring = '';
1.325 albertel 299: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 300: $currentstring = $token->[2];
301: }
302: return $currentstring;
303: }
304:
1.181 sakharuk 305: #-- <textarea> tag (end tag required)
1.122 albertel 306: sub start_textarea {
307: my ($target,$token) = @_;
308: my $currentstring = '';
1.325 albertel 309: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 310: $currentstring = $token->[4];
311: }
312: return $currentstring;
313: }
314:
315: sub end_textarea {
316: my ($target,$token) = @_;
317: my $currentstring = '';
1.325 albertel 318: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 319: $currentstring = $token->[2];
320: }
321: return $currentstring;
322: }
323:
1.181 sakharuk 324: #-- <form> tag (end tag required)
1.122 albertel 325: sub start_form {
326: my ($target,$token) = @_;
327: my $currentstring = '';
1.325 albertel 328: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 329: $currentstring = $token->[4];
330: }
331: return $currentstring;
332: }
333:
334: sub end_form {
335: my ($target,$token) = @_;
336: my $currentstring = '';
1.325 albertel 337: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 338: $currentstring = $token->[2];
339: }
340: return $currentstring;
341: }
342:
1.181 sakharuk 343: #-- <title> tag (end tag required)
1.122 albertel 344: sub start_title {
1.327 albertel 345: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 346: my $currentstring = '';
1.324 albertel 347: if ($target eq 'web' || $target eq 'webgrade') {
1.327 albertel 348: $Apache::londefdef::title =
349: &Apache::lonxml::get_all_text('/title',$parser,$style);
1.122 albertel 350: } elsif ($target eq 'tex') {
1.166 sakharuk 351: $currentstring .= '\keephidden{Title of the document: '
1.122 albertel 352: }
353: if ($target eq 'meta') {
354: $currentstring='<title>';
1.185 albertel 355: &start_output($target);
1.122 albertel 356: }
357: return $currentstring;
358: }
359:
360: sub end_title {
361: my ($target,$token) = @_;
362: my $currentstring = '';
1.324 albertel 363: if ($target eq 'web' || $target eq 'webgrade') {
1.327 albertel 364: # start_title takes care of swallowing the title
1.122 albertel 365: } elsif ($target eq 'tex') {
366: $currentstring .= '}';
367: }
368: if ($target eq 'meta') {
1.185 albertel 369: &end_output($target);
1.122 albertel 370: $currentstring='</title>';
371: }
372: return $currentstring;
373: }
374:
1.181 sakharuk 375: #-- <meta> tag (end tag forbidden)
1.122 albertel 376: sub start_meta {
1.299 albertel 377: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 378: my $currentstring = '';
1.325 albertel 379: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 380: my $args='';
381: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
382: if ($args eq '') {
1.299 albertel 383: &Apache::lonxml::get_all_text("/meta",$parser,$style);
1.122 albertel 384: } else {
385: $currentstring = $token->[4];
1.1 sakharuk 386: }
1.431 raeburn 387: if ($env{'form.grade_imsexport'}) {
388: $currentstring = '';
389: }
1.135 sakharuk 390: } elsif ($target eq 'meta') {
1.122 albertel 391: unless (&Apache::lonxml::get_param
392: ('http-equiv',$parstack,$safeeval,undef,1)) {
393: my $name=$token->[2]->{'name'};
394: $name=~tr/A-Z/a-z/;
395: $name=~s/\s/\_/gs;
396: $name=~s/\W//gs;
397: if ($name) {
1.154 www 398: $currentstring='<'.$name;
399: my $display=&Apache::lonxml::get_param
400: ('display',$parstack,$safeeval,undef,1);
401: if ($display) {
402: $display=~s/\"/\'/g;
403: $currentstring.=' display="'.$display.'"';
404: }
405: $currentstring.='>'.
1.122 albertel 406: &Apache::lonxml::get_param
407: ('content',$parstack,$safeeval,undef,1).
1.135 sakharuk 408: '</'.$name.'>';
1.1 sakharuk 409: }
1.154 www 410: my $display=&Apache::lonxml::get_param
411: ('display',$parstack,$safeeval,undef,1);
412: if ($display) {
1.204 albertel 413: $display=&HTML::Entities::encode($display,'<>&"');
1.154 www 414: $currentstring.='<'.$name.'.display>'.$display.
415: '</'.$name.'.display>';
416: }
1.1 sakharuk 417: }
1.135 sakharuk 418: } elsif ($target eq 'tex') {
1.151 sakharuk 419: my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
420: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
421: if ((not defined $content) && (not defined $name)) {
422: &Apache::lonxml::startredirection();
423: }
1.374 albertel 424: } elsif ($target eq 'edit') {
425: $currentstring .= &Apache::edit::tag_start($target,$token);
426: $currentstring .= &Apache::edit::text_arg('Name:','name',$token,30);
427: $currentstring .= &Apache::edit::text_arg('Content:','content',$token,70);
428: $currentstring .= &Apache::edit::end_row();
429: } elsif ($target eq 'modified') {
430: my $constructtag =
431: &Apache::edit::get_new_args($token,$parstack,$safeeval,
432: 'name','content');
433: if ($constructtag) { $currentstring = &Apache::edit::rebuild_tag($token); }
1.122 albertel 434: }
435: return $currentstring;
436: }
437:
438: sub end_meta {
1.165 albertel 439: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 440: my $currentstring = '';
1.325 albertel 441: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 442: my $args='';
443: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
444: if ($args ne '') {
1.121 www 445: $currentstring = $token->[4];
1.122 albertel 446: }
1.135 sakharuk 447: } elsif ($target eq 'tex') {
1.165 albertel 448: my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
449: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
1.164 albertel 450: if ((not defined $content) && (not defined $name)) {
1.169 albertel 451: &Apache::lonxml::endredirection();
1.164 albertel 452: }
1.135 sakharuk 453: }
1.122 albertel 454: return $currentstring;
455: }
456:
1.374 albertel 457: sub insert_meta {
458: return '
459: <meta />';
460: }
461:
1.121 www 462: # accessrule
1.122 albertel 463: sub start_accessrule {
1.299 albertel 464: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 465: my $currentstring = '';
1.373 albertel 466: my $eff =&Apache::lonxml::get_param('effect',$parstack,$safeeval,undef,1);
467: my $realm=&Apache::lonxml::get_param('realm', $parstack,$safeeval,undef,1);
468: my $role =&Apache::lonxml::get_param('role', $parstack,$safeeval,undef,1);
469: my $type =&Apache::lonxml::get_param('type', $parstack,$safeeval,undef,1);
470:
471: my ($dom,$crs,$sec,$separator);
1.369 albertel 472: if ($type eq 'user') {
1.373 albertel 473: ($dom,$crs,$sec)=split(m{/},$realm);
1.369 albertel 474: $crs = &LONCAPA::clean_username($crs);
1.373 albertel 475: $separator = '/';
1.369 albertel 476: } else {
1.373 albertel 477: ($dom,$crs,$sec)=split(/\_/,$realm);
1.369 albertel 478: $crs = &LONCAPA::clean_courseid($crs);
1.373 albertel 479: $separator = '_';
1.369 albertel 480: }
1.373 albertel 481: $dom = &LONCAPA::clean_domain($dom);
482:
1.369 albertel 483: $sec =~s/\W//;
484: $realm = $dom;
1.373 albertel 485: if ($crs =~ /\S/) { $realm .= $separator.$crs; }
486: if ($sec =~ /\S/) { $realm .= $separator.$sec; }
1.369 albertel 487: $role=~s/\W//g;
488:
1.122 albertel 489: if ($target eq 'web') {
490: my $args='';
491: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
492: if ($args eq '') {
1.299 albertel 493: &Apache::lonxml::get_all_text("/accessrule",$parser,$style);
1.122 albertel 494: } else {
495: $currentstring = $token->[4];
496: }
497: }
498: if ($target eq 'meta') {
1.369 albertel 499: $currentstring='<rule>'.$eff.':'.$realm.':'.$role.':'.$type.'</rule>';
1.122 albertel 500: }
501: return $currentstring;
502: }
503:
504: sub end_accessrule {
505: my ($target,$token,$tagstack,$parstack,$parser) = @_;
506: my $currentstring = '';
507: if ($target eq 'web') {
508: my $args='';
509: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
510: if ($args ne '') {
511: $currentstring = $token->[4];
512: }
513: }
514: return $currentstring;
515: }
516:
1.366 albertel 517: sub generate_css_links {
518: my $links;
519: my $css_href = &Apache::lonnet::EXT('resource.0.cssfile');
520: if ($css_href =~ /\S/) {
521: &Apache::lonxml::extlink($css_href);
522: $links .=
523: '<link rel="stylesheet" type="text/css" href="'.$css_href.'" />';
524: }
525: return $links;
526: }
527:
1.181 sakharuk 528: #-- <body> tag (end tag required)
1.122 albertel 529: sub start_body {
530: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
531: my $currentstring = '';
1.244 albertel 532:
1.324 albertel 533: if ($target eq 'web' || $target eq 'webgrade') {
1.170 albertel 534: if ($Apache::lonhomework::parsing_a_problem) {
535: &Apache::lonxml::warning("<body> tag found inside of <problem> tag this can cause problems.");
536: return '';
537: }
1.122 albertel 538:
1.327 albertel 539: if (&is_inside_of($tagstack, "head")) {
540: &end_head(@_);
1.122 albertel 541: }
1.366 albertel 542:
543: my $extra_head = &generate_css_links();
544:
1.406 bisitz 545: # Breadcrumbs
546: &Apache::lonhtmlcommon::clear_breadcrumbs();
1.410 bisitz 547: if ($env{'request.state'} eq 'construct') {
548: &Apache::lonhtmlcommon::add_breadcrumb({
549: 'text' => 'Construction Space',
550: 'href' => &Apache::loncommon::authorspace(),
551: });
552: &Apache::lonhtmlcommon::add_breadcrumb({
553: 'text' => 'HTML Editor',
554: 'href' => '',
555: });
1.413 droeschl 556: # breadcrumbs (and tools) will be created
557: # in start_page->bodytag->innerregister
1.410 bisitz 558: } else {
559: # FIXME Where are we?
560: }
1.406 bisitz 561:
1.327 albertel 562: $currentstring =
563: &Apache::loncommon::start_page($Apache::londefdef::title,
1.366 albertel 564: $Apache::londefdef::head
565: .$extra_head,
1.327 albertel 566: {'add_entries' => $token->[2],
1.404 bisitz 567: # 'no_title' => 1,
1.327 albertel 568: 'force_register' => 1});
569:
1.407 bisitz 570: my $header = '';
1.411 bisitz 571: if ($env{'request.state'} ne 'published' &&
572: $env{'request.state'} ne 'construct') {
573: $header=&Apache::lonmenu::constspaceform();
574: }
1.407 bisitz 575: if ($env{'request.state'} ne 'published') {
1.411 bisitz 576: $header.=&Apache::londefdef::edit_controls();
1.407 bisitz 577: }
1.410 bisitz 578: if ($env{'request.state'} eq 'construct') {
579: $currentstring.=&Apache::loncommon::head_subbox(
580: &Apache::loncommon::CSTR_pageheader()
581: .$header);
1.412 raeburn 582: } elsif ($env{'request.state'} eq 'edit') {
583: $currentstring.=&Apache::loncommon::head_subbox($header);
1.410 bisitz 584: }
1.407 bisitz 585: $currentstring.=&Apache::lonxml::message_location();
1.122 albertel 586: } elsif ($target eq 'tex') {
1.407 bisitz 587: $currentstring = ''; # '\begin{document}' is in header.
588: }
589:
1.122 albertel 590: return $currentstring;
591: }
592:
1.376 albertel 593: sub edit_controls {
1.401 raeburn 594: my ($nochgview) = @_;
1.389 www 595: my $result .= '
1.427 raeburn 596: <form method="post" action="">
1.401 raeburn 597: <div class="LC_edit_problem_header">';
598: unless ($nochgview) {
599: $result .= '
1.389 www 600: <div class="LC_edit_problem_header_row1">'.
601: &Apache::lonxml::renderingoptions().'
602: <input type="submit" name="changeproblemmode" value="'.&mt('Change View').'" />
1.401 raeburn 603: </div>';
604: }
605: $result .= '
1.412 raeburn 606: <div><input type="submit" name="editmode" accesskey="e" value="'.&mt('Edit').'" />';
607: if (($env{'request.course.id'}) && ($env{'form.forceedit'})) {
1.427 raeburn 608: my $viewtext = &mt('Course View');
609: if (&Apache::loncommon::course_type() eq 'Community') {
610: $viewtext = &mt('Community View');
611: }
612: $result .= (' ' x 3).'<input type="button" value="'.
613: $viewtext.'" onclick="javascript:location.href=currentURL" />';
1.412 raeburn 614: }
615: $result .= '</div>
1.408 bisitz 616: </div>
1.376 albertel 617: </form>
1.408 bisitz 618: ';
1.376 albertel 619: return $result;
620: }
621:
1.122 albertel 622: sub end_body {
1.259 albertel 623: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 624: my $currentstring = &end_p(); # Close off unclosed <p>
1.324 albertel 625: if ($target eq 'web' || $target eq 'webgrade') {
1.327 albertel 626: $currentstring .= &Apache::loncommon::end_page({'discussion' => 1});
1.122 albertel 627: } elsif ($target eq 'tex') {
1.277 foxr 628: $currentstring .= '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent \end{document}';
1.122 albertel 629: }
630: return $currentstring;
631: }
632:
1.309 albertel 633: # \begin{center} causes a new paragprah spacing that looks odd inside
1.337 foxr 634: # of a table cell. Same at the end of a \center but with a slightly
635: # larger space .. hence center_correction and center_end_correction.
636: #
637: sub center_correction { return '\vspace*{-6 mm}'; }
638: sub center_end_correction { return '\vspace*{-7 mm}'; }
639:
1.181 sakharuk 640: #-- <center> tag (end tag required)
1.122 albertel 641: sub start_center {
1.309 albertel 642: my ($target,$token,$tagstack) = @_;
1.279 foxr 643: my $currentstring = &end_p(); # Close off any prior para.
1.325 albertel 644: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 645: $currentstring .= $token->[4];
1.122 albertel 646: } elsif ($target eq 'tex') {
1.309 albertel 647: if (&is_inside_of($tagstack, "table")) {
648: $currentstring .= ¢er_correction();
649: }
1.277 foxr 650: $currentstring .= '\begin{center}';
1.144 sakharuk 651: }
1.122 albertel 652: return $currentstring;
653: }
654:
655: sub end_center {
1.309 albertel 656: my ($target,$token,$tagstack) = @_;
1.122 albertel 657: my $currentstring = '';
1.325 albertel 658: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 659: $currentstring = $token->[2];
660: } elsif ($target eq 'tex') {
661: $currentstring = '\end{center}';
1.337 foxr 662: if (&is_inside_of($tagstack, "table")) {
663: $currentstring .= ¢er_end_correction();
664: }
1.144 sakharuk 665: }
1.122 albertel 666: return $currentstring;
667: }
668:
1.181 sakharuk 669: #-- <b> tag (end tag required)
1.279 foxr 670: # NOTE: In TeX mode disables internal <p>
1.122 albertel 671: sub start_b {
672: my ($target,$token) = @_;
673: my $currentstring = '';
1.325 albertel 674: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 675: $currentstring = $token->[4];
676: } elsif ($target eq 'tex') {
1.279 foxr 677: &disable_para();
678: $currentstring .= '\textbf{';
1.122 albertel 679: }
680: return $currentstring;
681: }
682:
683: sub end_b {
684: my ($target,$token) = @_;
685: my $currentstring = '';
1.325 albertel 686: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 687: $currentstring = $token->[2];
688: } elsif ($target eq 'tex') {
1.279 foxr 689: &enable_para();
690: $currentstring = '}';
1.122 albertel 691: }
692: return $currentstring;
693: }
1.35 sakharuk 694:
1.181 sakharuk 695: #-- <strong> tag (end tag required)
1.279 foxr 696: # NOTE: in TeX mode disables internal <p>
1.122 albertel 697: sub start_strong {
698: my ($target,$token) = @_;
699: my $currentstring = '';
1.325 albertel 700: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 701: $currentstring = $token->[4];
702: } elsif ($target eq 'tex') {
1.279 foxr 703: &disable_para();
1.122 albertel 704: $currentstring = '\textbf{';
705: }
706: return $currentstring;
707: }
708:
709: sub end_strong {
710: my ($target,$token) = @_;
711: my $currentstring = '';
1.325 albertel 712: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 713: $currentstring = $token->[2];
714: } elsif ($target eq 'tex') {
1.279 foxr 715: &enable_para();
1.122 albertel 716: $currentstring = '}';
1.144 sakharuk 717: }
1.122 albertel 718: return $currentstring;
719: }
720:
1.181 sakharuk 721: #-- <h1> tag (end tag required)
1.122 albertel 722: sub start_h1 {
1.125 sakharuk 723: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 724: my $currentstring = &end_p(); # Close off any prior para.
1.325 albertel 725: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 726: $currentstring .= $token->[4];
727: } elsif ($target eq 'tex') {
1.125 sakharuk 728: my $pre;
1.199 albertel 729: my $align=lc(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1));
1.212 sakharuk 730: if ($align eq 'center') {
1.125 sakharuk 731: $pre='\begin{center}';
732: } elsif ($align eq 'left') {
733: $pre='\rlap{';
734: } elsif ($align eq 'right') {
735: $pre=' \hfill \llap{';
736: }
737: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
738: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 739: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 740: } elsif ($target eq 'meta') {
1.277 foxr 741: $currentstring.='<subject>';
1.185 albertel 742: &start_output($target);
1.122 albertel 743: }
744: return $currentstring;
745: }
746:
747: sub end_h1 {
1.125 sakharuk 748: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 749: my $currentstring = '';
1.325 albertel 750: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 751: $currentstring .= $token->[2];
752: } elsif ($target eq 'tex') {
1.212 sakharuk 753: my $post='\vskip 0 mm ';
1.125 sakharuk 754: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 755: if ($align eq 'center') {
1.125 sakharuk 756: $post='\end{center}';
757: } elsif ($align eq 'left') {
758: $post='} \hfill'.'\vskip 0 mm ';
759: } elsif ($align eq 'right') {
760: $post='}'.'\vskip 0 mm ';
761: }
762: $currentstring .= '}}'.$post;
1.122 albertel 763: } elsif ($target eq 'meta') {
1.185 albertel 764: &end_output($target);
1.122 albertel 765: $currentstring='</subject>';
766: }
767: return $currentstring;
768: }
769:
1.35 sakharuk 770: #-- <h2> tag
1.122 albertel 771: sub start_h2 {
1.125 sakharuk 772: my ($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 $currentstring;
791: }
792:
793: sub end_h2 {
1.125 sakharuk 794: my ($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 $currentstring;
811: }
812:
1.35 sakharuk 813: #-- <h3> tag
1.122 albertel 814: sub start_h3 {
1.125 sakharuk 815: my ($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 $currentstring;
834: }
835:
836: sub end_h3 {
1.125 sakharuk 837: my ($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 $currentstring;
854: }
855:
1.35 sakharuk 856: #-- <h4> tag
1.122 albertel 857: sub start_h4 {
1.125 sakharuk 858: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 859: my $currentstring = &end_p(); # Close off any prior para.
1.325 albertel 860: if ($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 $currentstring;
877: }
878:
879: sub end_h4 {
1.125 sakharuk 880: my ($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 $currentstring;
897: }
898:
1.35 sakharuk 899: #-- <h5> tag
1.122 albertel 900: sub start_h5 {
1.125 sakharuk 901: my ($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 $currentstring;
920: }
921:
922: sub end_h5 {
1.125 sakharuk 923: my ($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 $currentstring;
940: }
941:
1.35 sakharuk 942: #-- <h6> tag
1.122 albertel 943: sub start_h6 {
1.125 sakharuk 944: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 945: my $currentstring = &end_p(); # Close off any prior paras.
1.325 albertel 946: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 947: $currentstring .= $token->[4];
948: } elsif ($target eq 'tex') {
1.125 sakharuk 949: my $pre;
950: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 951: if ($align eq 'center') {
1.125 sakharuk 952: $pre='\begin{center}';
953: } elsif ($align eq 'left') {
954: $pre='\rlap{';
955: } elsif ($align eq 'right') {
956: $pre=' \hfill \llap{';
957: }
958: my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval,undef,0);
959: if (not defined $TeXsize) {$TeXsize="large";}
1.275 foxr 960: $currentstring .= '\strut\newline '.$pre.'{\\'.$TeXsize.' \textbf{';
1.122 albertel 961: }
962: return $currentstring;
963: }
964:
965: sub end_h6 {
1.125 sakharuk 966: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 967: my $currentstring = '';
1.325 albertel 968: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 969: $currentstring .= $token->[2];
970: } elsif ($target eq 'tex') {
1.212 sakharuk 971: my $post='\vskip 0 mm ';
1.125 sakharuk 972: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.212 sakharuk 973: if ($align eq 'center') {
1.125 sakharuk 974: $post='\end{center}';
975: } elsif ($align eq 'left') {
976: $post='} \hfill'.'\vskip 0 mm ';
977: } elsif ($align eq 'right') {
978: $post='}'.'\vskip 0 mm ';
979: }
980: $currentstring .= '}}'.$post;
1.122 albertel 981: }
982: return $currentstring;
983: }
984:
1.181 sakharuk 985: #--- <cite> tag (end tag required)
1.122 albertel 986: sub start_cite {
987: my ($target,$token) = @_;
988: my $currentstring = '';
1.325 albertel 989: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 990: $currentstring .= $token->[4];
991: } elsif ($target eq 'tex') {
1.179 sakharuk 992: $currentstring .= '\textit{';
1.144 sakharuk 993: }
1.122 albertel 994: return $currentstring;
995: }
996:
997: sub end_cite {
998: my ($target,$token) = @_;
999: my $currentstring = '';
1.325 albertel 1000: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1001: $currentstring .= $token->[2];
1002: } elsif ($target eq 'tex') {
1.179 sakharuk 1003: $currentstring .= '}';
1.144 sakharuk 1004: }
1.122 albertel 1005: return $currentstring;
1006: }
1007:
1.181 sakharuk 1008: #-- <i> tag (end tag required)
1.122 albertel 1009: sub start_i {
1010: my ($target,$token) = @_;
1011: my $currentstring = '';
1.325 albertel 1012: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1013: $currentstring .= $token->[4];
1014: } elsif ($target eq 'tex') {
1015: $currentstring .= '\textit{';
1.144 sakharuk 1016: }
1.122 albertel 1017: return $currentstring;
1018: }
1019:
1020: sub end_i {
1021: my ($target,$token) = @_;
1022: my $currentstring = '';
1.325 albertel 1023: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1024: $currentstring .= $token->[2];
1025: } elsif ($target eq 'tex') {
1026: $currentstring .= '}';
1027: }
1028: return $currentstring;
1029: }
1030:
1.181 sakharuk 1031: #-- <address> tag (end tag required)
1.122 albertel 1032: sub start_address {
1033: my ($target,$token) = @_;
1034: my $currentstring = '';
1.325 albertel 1035: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1036: $currentstring .= $token->[4];
1037: } elsif ($target eq 'tex') {
1.179 sakharuk 1038: $currentstring .= '\textit{';
1.144 sakharuk 1039: }
1.122 albertel 1040: return $currentstring;
1041: }
1042:
1043: sub end_address {
1044: my ($target,$token) = @_;
1045: my $currentstring = '';
1.325 albertel 1046: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1047: $currentstring .= $token->[2];
1048: } elsif ($target eq 'tex') {
1.179 sakharuk 1049: $currentstring .= '}';
1.122 albertel 1050: }
1051: return $currentstring;
1052: }
1053:
1.181 sakharuk 1054: #-- <dfn> tag (end tag required)
1.122 albertel 1055: sub start_dfn {
1056: my ($target,$token) = @_;
1057: my $currentstring = '';
1.325 albertel 1058: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1059: $currentstring .= $token->[4];
1060: } elsif ($target eq 'tex') {
1.179 sakharuk 1061: $currentstring .= '\textit{';
1.122 albertel 1062: }
1063: return $currentstring;
1064: }
1065:
1066: sub end_dfn {
1067: my ($target,$token) = @_;
1068: my $currentstring = '';
1.325 albertel 1069: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1070: $currentstring .= $token->[2];
1071: } elsif ($target eq 'tex') {
1.179 sakharuk 1072: $currentstring .= '}';
1.144 sakharuk 1073: }
1.122 albertel 1074: return $currentstring;
1075: }
1076:
1.181 sakharuk 1077: #-- <tt> tag (end tag required)
1.122 albertel 1078: sub start_tt {
1079: my ($target,$token) = @_;
1080: my $currentstring = '';
1.325 albertel 1081: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1082: $currentstring .= $token->[4];
1083: } elsif ($target eq 'tex') {
1084: $currentstring .= '\texttt{';
1.144 sakharuk 1085: }
1.122 albertel 1086: return $currentstring;
1087: }
1088:
1089: sub end_tt {
1090: my ($target,$token) = @_;
1091: my $currentstring = '';
1.325 albertel 1092: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1093: $currentstring .= $token->[2];
1094: } elsif ($target eq 'tex') {
1095: $currentstring .= '}';
1096: }
1097: return $currentstring;
1098: }
1099:
1.181 sakharuk 1100: #-- <kbd> tag (end tag required)
1.122 albertel 1101: sub start_kbd {
1102: my ($target,$token) = @_;
1103: my $currentstring = '';
1.325 albertel 1104: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1105: $currentstring .= $token->[4];
1106: } elsif ($target eq 'tex') {
1.179 sakharuk 1107: $currentstring .= '\texttt{';
1.144 sakharuk 1108: }
1.122 albertel 1109: return $currentstring;
1110: }
1111:
1112: sub end_kbd {
1113: my ($target,$token) = @_;
1114: my $currentstring = '';
1.325 albertel 1115: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1116: $currentstring .= $token->[2];
1117: } elsif ($target eq 'tex') {
1.179 sakharuk 1118: $currentstring .= '}';
1.144 sakharuk 1119: }
1.122 albertel 1120: return $currentstring;
1121: }
1122:
1.181 sakharuk 1123: #-- <code> tag (end tag required)
1.122 albertel 1124: sub start_code {
1125: my ($target,$token) = @_;
1126: my $currentstring = '';
1.325 albertel 1127: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1128: $currentstring .= $token->[4];
1129: } elsif ($target eq 'tex') {
1130: $currentstring .= '\texttt{';
1131: }
1132: return $currentstring;
1133: }
1134:
1135: sub end_code {
1136: my ($target,$token) = @_;
1137: my $currentstring = '';
1.325 albertel 1138: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1139: $currentstring .= $token->[2];
1140: } elsif ($target eq 'tex') {
1141: $currentstring .= '}';
1142: }
1143: return $currentstring;
1144: }
1145:
1.181 sakharuk 1146: #-- <em> tag (end tag required)
1.122 albertel 1147: sub start_em {
1148: my ($target,$token) = @_;
1149: my $currentstring = '';
1.325 albertel 1150: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1151: $currentstring .= $token->[4];
1152: } elsif ($target eq 'tex') {
1153: $currentstring .= '\emph{';
1.144 sakharuk 1154: }
1.122 albertel 1155: return $currentstring;
1156: }
1157:
1158: sub end_em {
1159: my ($target,$token) = @_;
1160: my $currentstring = '';
1.325 albertel 1161: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1162: $currentstring .= $token->[2];
1163: } elsif ($target eq 'tex') {
1164: $currentstring .= '}';
1.144 sakharuk 1165: }
1.122 albertel 1166: return $currentstring;
1167: }
1168:
1.181 sakharuk 1169: #-- <q> tag (end tag required)
1.122 albertel 1170: sub start_q {
1171: my ($target,$token) = @_;
1172: my $currentstring = '';
1.325 albertel 1173: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1174: $currentstring .= $token->[4];
1175: } elsif ($target eq 'tex') {
1.179 sakharuk 1176: $currentstring .= '\emph{';
1.122 albertel 1177: }
1178: return $currentstring;
1179: }
1180:
1181: sub end_q {
1182: my ($target,$token) = @_;
1183: my $currentstring = '';
1.325 albertel 1184: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1185: $currentstring .= $token->[2];
1186: } elsif ($target eq 'tex') {
1.179 sakharuk 1187: $currentstring .= '}';
1.144 sakharuk 1188: }
1.122 albertel 1189: return $currentstring;
1190: }
1191:
1.277 foxr 1192: # <p> is a bit strange since it does not require a closing </p>
1193: # However in latex, we must often output closing stuff to end
1194: # environments and {}'s etc. Therefore we do all the work
1195: # of figuring out the ending strings in the start tag processing,
1196: # and provide a mechanism to output the stop text external
1197: # to tag processing.
1198: #
1199: {
1200:
1201: my $closing_string = ''; # String required to close <p>
1202:
1.279 foxr 1203: # Some tags are <p> fragile meaning that <p> inside of them
1204: # does not work within TeX mode. This is managed via the
1205: # counter below:
1206: #
1207:
1208: my $para_disabled = 0;
1209:
1210: sub disable_para {
1211: $para_disabled++;
1212: }
1213: sub enable_para {
1214: $para_disabled--;
1215: }
1216:
1217:
1.181 sakharuk 1218: #-- <p> tag (end tag optional)
1.198 sakharuk 1219: #optional attribute - align="center|left|right"
1.122 albertel 1220: sub start_p {
1.157 sakharuk 1221: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1222: my $currentstring = '';
1.325 albertel 1223: if ($target eq 'web' || $target eq 'webgrade') {
1.279 foxr 1224: $currentstring .= &end_p(); # close off prior para if in progress.
1.122 albertel 1225: $currentstring .= $token->[4];
1.279 foxr 1226: if (! ($currentstring =~ /\//)) {
1227: $closing_string = '</p>'; # Deal correctly with <p /> e.g.
1228: }
1229: } elsif ($target eq 'tex' && !$para_disabled) {
1.313 foxr 1230:
1.279 foxr 1231: $currentstring .= &end_p(); # close off prior para if in progress.
1.198 sakharuk 1232: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1233: if ($align eq 'center') {
1.333 albertel 1234: $currentstring .='\begin{center}\par ';
1.277 foxr 1235: $closing_string = '\end{center}';
1.309 albertel 1236: if (&is_inside_of($tagstack, "table")) {
1237: $currentstring = ¢er_correction().$currentstring;
1238: }
1.198 sakharuk 1239: } elsif ($align eq 'right') {
1.323 foxr 1240: $currentstring.="\n".'{\flushright ';
1241: # $currentstring.='\makebox['.$env{'form.textwidth'}.']{\hfill\llap{';
1242: $closing_string= "}\n";
1.198 sakharuk 1243: } elsif ($align eq 'left') {
1.323 foxr 1244: $currentstring.= "\n".'{\flushleft ';
1245: # $currentstring.='\noindent\makebox['.$env{'form.textwidth'}.']{{';
1246: $closing_string = "}\n";
1.216 matthew 1247: } else {
1.277 foxr 1248: $currentstring.='\par ';
1.313 foxr 1249: if (&is_inside_of($tagstack, 'table')) {
1.315 foxr 1250: $closing_string = '\vskip 0pt'; # Seems to be consistent with <p> in tables.
1.313 foxr 1251: } else {
1252: $closing_string = '\strut\\\\\strut ';
1253: }
1.216 matthew 1254: }
1.277 foxr 1255:
1.144 sakharuk 1256: }
1.122 albertel 1257: return $currentstring;
1258: }
1.277 foxr 1259: #
1260: # End paragraph processing just requires that we output the
1261: # closing string that was saved and blank it.
1262: sub end_p {
1.279 foxr 1263: # Note only 'tex' mode uses disable_para and enable_para
1264: # so we don't need to know the target in the check below:
1265:
1266: if (!$para_disabled) {
1267: my $current_string = $closing_string;
1268: $closing_string = ''; # Not in a para anymore.
1269: return $current_string;
1270: } else {
1271: return '';
1272: }
1.122 albertel 1273:
1274: }
1.277 foxr 1275: }
1.181 sakharuk 1276: #-- <br> tag (end tag forbidden)
1.122 albertel 1277: sub start_br {
1278: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1279: my $currentstring = '';
1.325 albertel 1280: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1281: $currentstring .= $token->[4];
1282: } elsif ($target eq 'tex') {
1.227 sakharuk 1283: my @tempo=@$tagstack;
1.229 sakharuk 1284: my $signal=0;
1.287 foxr 1285: # Not going to factor this to is_inside_of since that would require
1286: # multiple stack traversals.
1287: #
1.227 sakharuk 1288: for (my $i=$#tempo;$i>=0;$i--) {
1289: if (($tempo[$i] eq 'b') || ($tempo[$i] eq 'strong') ||
1.334 albertel 1290: ($tempo[$i] eq 'ol') || ($tempo[$i] eq 'ul')) {
1.229 sakharuk 1291: $signal=1;
1.334 albertel 1292: }
1293: if (($tempo[$i] eq 'td') || ($tempo[$i] eq 'th')) {
1.336 foxr 1294: $signal = 1;
1.227 sakharuk 1295: }
1296: }
1.375 foxr 1297: if ($signal != 1) {
1.219 sakharuk 1298: $currentstring .= '\strut \\\\ \strut ';
1.1 sakharuk 1299: }
1.355 foxr 1300:
1.144 sakharuk 1301: }
1.122 albertel 1302: return $currentstring;
1303: }
1304:
1305: sub end_br {
1306: my ($target,$token) = @_;
1307: my $currentstring = '';
1.325 albertel 1308: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1309: $currentstring .= $token->[2];
1310: }
1311: return $currentstring;
1312: }
1313:
1.181 sakharuk 1314: #-- <big> tag (end tag required)
1.122 albertel 1315: sub start_big {
1316: my ($target,$token) = @_;
1317: my $currentstring = '';
1.325 albertel 1318: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1319: $currentstring .= $token->[4];
1320: } elsif ($target eq 'tex') {
1.137 sakharuk 1321: $currentstring .= '{\large ';
1.144 sakharuk 1322: }
1.122 albertel 1323: return $currentstring;
1324: }
1325:
1326: sub end_big {
1327: my ($target,$token) = @_;
1328: my $currentstring = '';
1.325 albertel 1329: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1330: $currentstring .= $token->[2];
1331: } elsif ($target eq 'tex') {
1332: $currentstring .= '}';
1333: }
1334: return $currentstring;
1335: }
1336:
1.181 sakharuk 1337: #-- <small> tag (end tag required)
1.122 albertel 1338: sub start_small {
1339: my ($target,$token) = @_;
1340: my $currentstring = '';
1.325 albertel 1341: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1342: $currentstring .= $token->[4];
1343: } elsif ($target eq 'tex') {
1344: $currentstring .= '{\footnotesize ';
1.144 sakharuk 1345: }
1.122 albertel 1346: return $currentstring;
1347: }
1348:
1349: sub end_small {
1350: my ($target,$token) = @_;
1351: my $currentstring = '';
1.325 albertel 1352: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1353: $currentstring .= $token->[2];
1354: } elsif ($target eq 'tex') {
1355: $currentstring .= '}';
1356: }
1357: return $currentstring;
1358: }
1359:
1.181 sakharuk 1360: #-- <basefont> tag (end tag forbidden)
1.122 albertel 1361: sub start_basefont {
1.126 sakharuk 1362: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.122 albertel 1363: my $currentstring = '';
1.325 albertel 1364: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1365: $currentstring = $token->[4];
1.126 sakharuk 1366: } elsif ($target eq 'tex') {
1367: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1368: if (defined $basesize) {
1369: $currentstring = '{\\'.$basesize.' ';
1370: }
1371: }
1.122 albertel 1372: return $currentstring;
1373: }
1374:
1375: sub end_basefont {
1.126 sakharuk 1376: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1377: my $currentstring = '';
1.325 albertel 1378: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1379: $currentstring = $token->[4];
1.126 sakharuk 1380: } elsif ($target eq 'tex') {
1381: my $basesize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1382: if (defined $basesize) {
1383: $currentstring = '}';
1384: }
1385: }
1.122 albertel 1386: return $currentstring;
1387: }
1388:
1.181 sakharuk 1389: #-- <font> tag (end tag required)
1.122 albertel 1390: sub start_font {
1391: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1392: my $currentstring = '';
1.325 albertel 1393: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1394: my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
1395: $currentstring = $token->[4];
1.126 sakharuk 1396: } elsif ($target eq 'tex') {
1397: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1398: if (defined $fontsize) {
1399: $currentstring = '{\\'.$fontsize.' ';
1400: }
1401: }
1.122 albertel 1402: return $currentstring;
1403: }
1404:
1405: sub end_font {
1406: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1407: my $currentstring = '';
1.325 albertel 1408: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1409: $currentstring = $token->[2];
1.126 sakharuk 1410: } elsif ($target eq 'tex') {
1411: my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
1412: if (defined $fontsize) {
1413: $currentstring = '}';
1414: }
1415: }
1.122 albertel 1416: return $currentstring;
1417: }
1418:
1.181 sakharuk 1419: #-- <strike> tag (end tag required)
1.122 albertel 1420: sub start_strike {
1421: my ($target,$token) = @_;
1422: my $currentstring = '';
1.325 albertel 1423: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1424: $currentstring .= $token->[4];
1425: } elsif ($target eq 'tex') {
1426: &Apache::lonxml::startredirection();
1427: }
1428: return $currentstring;
1429: }
1430:
1431: sub end_strike {
1432: my ($target,$token) = @_;
1433: my $currentstring = '';
1.325 albertel 1434: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1435: $currentstring .= $token->[2];
1436: } elsif ($target eq 'tex') {
1437: $currentstring=&Apache::lonxml::endredirection();
1438: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1439: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1440: $currentstring=~s/(\S)\s*$/$1\}/;
1441: }
1442: return $currentstring;
1443: }
1444:
1.181 sakharuk 1445: #-- <s> tag (end tag required)
1.122 albertel 1446: sub start_s {
1447: my ($target,$token) = @_;
1448: my $currentstring = '';
1.325 albertel 1449: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1450: $currentstring .= $token->[4];
1451: } elsif ($target eq 'tex') {
1452: &Apache::lonxml::startredirection();
1453: }
1454: return $currentstring;
1455: }
1456:
1457: sub end_s {
1458: my ($target,$token) = @_;
1459: my $currentstring = '';
1.325 albertel 1460: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1461: $currentstring .= $token->[2];
1462: } elsif ($target eq 'tex') {
1463: $currentstring=&Apache::lonxml::endredirection();
1464: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1465: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1466: $currentstring=~s/(\S)\s*$/$1\}/;
1467: }
1468: return $currentstring;
1469: }
1470:
1.181 sakharuk 1471: #-- <sub> tag (end tag required)
1.122 albertel 1472: sub start_sub {
1473: my ($target,$token) = @_;
1474: my $currentstring = '';
1.325 albertel 1475: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1476: $currentstring .= $token->[4];
1477: } elsif ($target eq 'tex') {
1.355 foxr 1478: $currentstring .= '\raisebox{-\smallskipamount}{\scriptsize{';
1.122 albertel 1479: }
1480: return $currentstring;
1481: }
1482:
1483: sub end_sub {
1484: my ($target,$token) = @_;
1485: my $currentstring = '';
1.325 albertel 1486: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1487: $currentstring .= $token->[2];
1488: } elsif ($target eq 'tex') {
1.202 sakharuk 1489: $currentstring .= '}}';
1.122 albertel 1490: }
1491: return $currentstring;
1492: }
1493:
1.181 sakharuk 1494: #-- <sup> tag (end tag required)
1.122 albertel 1495: sub start_sup {
1496: my ($target,$token) = @_;
1497: my $currentstring = '';
1.325 albertel 1498: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1499: $currentstring .= $token->[4];
1500: } elsif ($target eq 'tex') {
1.355 foxr 1501: $currentstring .= '\raisebox{\smallskipamount}{\scriptsize{';
1.122 albertel 1502: }
1503: return $currentstring;
1504: }
1505:
1506: sub end_sup {
1507: my ($target,$token) = @_;
1508: my $currentstring = '';
1.325 albertel 1509: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1510: $currentstring .= $token->[2];
1511: } elsif ($target eq 'tex') {
1.202 sakharuk 1512: $currentstring .= '}}';
1.122 albertel 1513: }
1514: return $currentstring;
1515: }
1516:
1.181 sakharuk 1517: #-- <hr> tag (end tag forbidden)
1.122 albertel 1518: sub start_hr {
1.124 sakharuk 1519: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1520: my $currentstring = &end_p(); # End enclosing para.
1.325 albertel 1521: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1522: $currentstring .= $token->[4];
1523: } elsif ($target eq 'tex') {
1.361 foxr 1524:
1525: # <hr /> can't be inside of <sup><sub> thank you LaTeX.
1526: #
1527: my $restart_sub = 0;
1528: my $restart_sup = 0;
1529:
1530: # Since <sub> and <sup> are simple tags it's ok to turn off/on
1531: # using the start_ stop_ functions.. those tags only care about
1532: # $target.
1533:
1534: if (&is_inside_of($tagstack, "sub")) {
1535: $restart_sub = 1;
1536: $currentstring .= &end_sub($target, $token, $tagstack,
1537: $parstack, $parser, $safeeval);
1538: }
1539: if (&is_inside_of($tagstack, "sup")) {
1540: $restart_sup = 1;
1541: $currentstring .= &end_sup($target, $token, $tagstack,
1542: $parstack, $parser, $safeeval);
1543: }
1544:
1.149 sakharuk 1545: my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
1.124 sakharuk 1546: if (defined $LaTeXwidth) {
1547: if ($LaTeXwidth=~/^%/) {
1548: substr($LaTeXwidth,0,1)='';
1549: $LaTeXwidth=($LaTeXwidth/100).'\textwidth';
1550: }
1551: } else {
1.148 sakharuk 1552: $LaTeXwidth ='0.9\textwidth';
1.124 sakharuk 1553: }
1554: my ($pre,$post);
1555: my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1556: if (($align eq 'center') || (not defined $align)) {
1557: $pre=''; $post='';
1558: } elsif ($align eq 'left') {
1559: $pre='\rlap{'; $post='} \hfill';
1560: } elsif ($align eq 'right') {
1561: $pre=' \hfill \llap{'; $post='}';
1562: }
1.148 sakharuk 1563: $currentstring .= ' \vskip 0 mm \noindent\makebox['.$LaTeXwidth.']{'.$pre.'\makebox['.
1.124 sakharuk 1564: $LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';
1.361 foxr 1565: # Turn stuff back on that we can't be inside of.
1566:
1567: if ($restart_sub) {
1568: $currentstring .= &start_sub($target, $token, $tagstack,
1569: $parstack, $parser, $safeeval);
1570: }
1571: if ($restart_sup) {
1572: $currentstring .= &start_sup($target, $token, $tagstack,
1573: $parstack, $parser, $safeeval);
1574: }
1.122 albertel 1575: }
1576: return $currentstring;
1577: }
1578:
1579: sub end_hr {
1580: my ($target,$token) = @_;
1581: my $currentstring = '';
1.325 albertel 1582: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1583: $currentstring .= $token->[2];
1.148 sakharuk 1584: }
1.122 albertel 1585: return $currentstring;
1586: }
1587:
1.181 sakharuk 1588: #-- <div> tag (end tag required)
1.280 foxr 1589: {
1590:
1591: # Since div can be nested, the stack below is used
1592: # in 'tex' mode to store the ending strings
1593: # for the div stack.
1594:
1595: my @div_end_stack;
1596:
1.122 albertel 1597: sub start_div {
1.280 foxr 1598: my ($target,$token, $tagstack, $parstack, $parser, $safeeval) = @_;
1.279 foxr 1599: my $currentstring = &end_p(); # Close enclosing para.
1.325 albertel 1600: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1601: $currentstring .= $token->[4];
1602: }
1.280 foxr 1603: if ($target eq 'tex') {
1604: # 4 possible alignments: left, right, center, and -missing-.
1.380 foxr 1605: # If inside a table row, we must let the table logic
1606: # do the alignment, however.
1607: #
1.280 foxr 1608:
1609: my $endstring = '';
1610:
1611: my $align = lc(&Apache::lonxml::get_param('align', $parstack,
1612: $safeeval, undef, 1));
1613: if ($align eq 'center') {
1614: $currentstring .= '\begin{center}';
1615: $endstring = '\end{center}';
1.309 albertel 1616: if (&is_inside_of($tagstack, "table")) {
1617: $currentstring = ¢er_correction().$currentstring;
1.380 foxr 1618: $endstring .= ¢er_end_correction();
1.309 albertel 1619: }
1.280 foxr 1620: }
1621: elsif ($align eq 'right') {
1622: $currentstring .= '\begin{flushright}';
1623: $endstring .= '\end{flushright}';
1624: } elsif ($align eq 'left') {
1625: $currentstring .= '\begin{flushleft}';
1626: $endstring = '\end{flushleft}';
1627: } else {
1628:
1629: }
1630: $currentstring .= "\n"; # For human readability.
1631: $endstring = "\n$endstring\n"; # For human readability
1632: push(@div_end_stack, $endstring);
1633: }
1.122 albertel 1634: return $currentstring;
1635: }
1636:
1637: sub end_div {
1638: my ($target,$token) = @_;
1639: my $currentstring = '';
1.325 albertel 1640: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1641: $currentstring .= $token->[2];
1.280 foxr 1642: }
1643: if ($target eq 'tex') {
1644: my $endstring = pop @div_end_stack;
1645: $currentstring .= $endstring;
1646: }
1.122 albertel 1647: return $currentstring;
1648: }
1.280 foxr 1649: }
1.122 albertel 1650:
1.181 sakharuk 1651: #-- <a> tag (end tag required)
1.122 albertel 1652: sub start_a {
1.149 sakharuk 1653: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1654: my $currentstring = '';
1.325 albertel 1655: if ($target eq 'web' || $target eq 'webgrade') {
1.250 albertel 1656: my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval,
1657: undef,1);
1658: $currentstring=&Apache::lonenc::encrypt_ref($token,{'href'=>$href});
1.400 raeburn 1659: if ($href =~ /\S/) {
1660: if ($href !~ m{^https?://}) {
1661: my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'});
1662: my $linkurl;
1663: if ($href =~ m{^/uploaded/}) {
1664: $linkurl = $href;
1665: } elsif ($href =~ m{^[^/]}) {
1666: my $path = $url;
1667: $path =~ s{[^/]*$}{};
1668: $linkurl = $path.$href;
1669: }
1670: if ($linkurl =~ m{^/uploaded/}) {
1671: if (!&Apache::lonnet::allowed('bre',$linkurl)) {
1672: if (&Apache::lonnet::is_on_map($url)) {
1673: &Apache::lonxml::extlink($linkurl);
1674: }
1675: }
1676: }
1677: }
1678: }
1.122 albertel 1679: }
1680: return $currentstring;
1681: }
1682:
1683: sub end_a {
1.168 albertel 1684: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1685: my $currentstring = '';
1.325 albertel 1686: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1687: $currentstring .= $token->[2];
1688: }
1.351 foxr 1689: if ($target eq 'tex') {
1.352 albertel 1690: my $href =
1691: &Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1);
1692: my $name =
1693: &Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1);
1.382 www 1694: my $uriprint =
1695: &Apache::lonxml::get_param('uriprint',$parstack,$safeeval,undef,1);
1696: my $anchorprint =
1697: &Apache::lonxml::get_param('anchorprint',$parstack,$safeeval,undef,1);
1698: if (($href =~ /\S/) && ($uriprint=~/^on|uriprint|yes|1$/i)) {
1.352 albertel 1699: $href =~ s/([^\\])%/$1\\\%/g;
1.365 foxr 1700: # Substitute special symbols... and allow line breaks at each /
1701: #
1702: $href = &Apache::lonxml::latex_special_symbols($href);
1703: $href =~ s/\//\/\\-/g; # Map / to /\- to allow hyphenation.
1704: $currentstring .= ' ({\tt URI:'.$href.'})';
1.382 www 1705: } elsif (($name =~ /\S/) && ($anchorprint=~/^on|anchorprint|yes|1$/i)) {
1.352 albertel 1706: $currentstring .= ' ({\tt Anchor:'.&Apache::lonxml::latex_special_symbols($name).'})';
1.351 foxr 1707: } else {
1708: $currentstring.='';
1709: }
1710: }
1.122 albertel 1711: return $currentstring;
1712: }
1713:
1.181 sakharuk 1714: #-- <li> tag (end tag optional)
1.122 albertel 1715: sub start_li {
1.168 albertel 1716: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1717: my $currentstring = '';
1.325 albertel 1718: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1719: $currentstring = $token->[4];
1720: } elsif ($target eq 'tex') {
1.237 sakharuk 1721: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1722: my $value=&Apache::lonxml::get_param('value',$parstack,$safeeval,undef,0);
1.238 albertel 1723: #FIXME need to support types i and I
1724: if ($type=~/disc/) {
1725: $currentstring .= ' \item[$\bullet$] ';
1726: } elsif ($type=~/circle/) {
1727: $currentstring .= ' \item[$\circ$] ';
1.146 sakharuk 1728: } elsif ($type=~/square/) {
1.238 albertel 1729: $currentstring .= ' \item[$\diamond$] ';
1730: } elsif ($type eq '1') {
1731: $currentstring .= ' \item['.($Apache::londefdef::list_index+1).'.]';
1.237 sakharuk 1732: } elsif ($type eq 'A') {
1.238 albertel 1733: $currentstring .= ' \item['.('A'..'Z')[$Apache::londefdef::list_index].'.]';
1.237 sakharuk 1734: } elsif ($type eq 'a') {
1.238 albertel 1735: $currentstring .= ' \item['.('a'..'z')[$Apache::londefdef::list_index].'.]';
1.237 sakharuk 1736: } elsif ($value ne '') {
1737: $currentstring .= ' \item['.$value.'] ';
1.122 albertel 1738: } else {
1.146 sakharuk 1739: $currentstring .= ' \item ';
1.122 albertel 1740: }
1.238 albertel 1741: $Apache::londefdef::list_index++;
1742: }
1.122 albertel 1743: return $currentstring;
1744: }
1745:
1746: sub end_li {
1747: my ($target,$token) = @_;
1.279 foxr 1748: my $currentstring = &end_p(); # In case there's a <p> in the <li>
1.325 albertel 1749: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 1750: $currentstring .= $token->[2];
1.122 albertel 1751: }
1752: return $currentstring;
1753: }
1754:
1.181 sakharuk 1755: #-- <u> tag (end tag required)
1.122 albertel 1756: sub start_u {
1757: my ($target,$token) = @_;
1758: my $currentstring = '';
1.325 albertel 1759: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1760: $currentstring .= $token->[4];
1761: } elsif ($target eq 'tex') {
1762: &Apache::lonxml::startredirection();
1763: }
1764: return $currentstring;
1765: }
1766:
1767: sub end_u {
1768: my ($target,$token) = @_;
1769: my $currentstring = '';
1.325 albertel 1770: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1771: $currentstring .= $token->[2];
1772: } elsif ($target eq 'tex') {
1773: $currentstring=&Apache::lonxml::endredirection();
1774: $currentstring=~s/(\S)(\s+)(\S)/$1\}$2\\underline\{$3/g;
1775: $currentstring=~s/^\s*(\S)/\\underline\{$1/;
1776: $currentstring=~s/(\S)\s*$/$1\}/;
1777: }
1778: return $currentstring;
1779: }
1780:
1.181 sakharuk 1781: #-- <ul> tag (end tag required)
1.122 albertel 1782: sub start_ul {
1.125 sakharuk 1783: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1784: my $currentstring = &end_p(); # Close off enclosing list.
1.325 albertel 1785: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 1786: $currentstring .= $token->[4];
1.122 albertel 1787: } elsif ($target eq 'tex') {
1.125 sakharuk 1788: my $TeXtype=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1.238 albertel 1789: $Apache::londefdef::list_index=0;
1.125 sakharuk 1790: if ($TeXtype eq 'disc') {
1.222 sakharuk 1791: $currentstring .= '\renewcommand{\labelitemi}{$\bullet$}'.
1792: '\renewcommand{\labelitemii}{$\bullet$}'.
1793: '\renewcommand{\labelitemiii}{$\bullet$}'.
1794: '\renewcommand{\labelitemiv}{$\bullet$}';
1.125 sakharuk 1795: } elsif ($TeXtype eq 'circle') {
1.222 sakharuk 1796: $currentstring .= '\renewcommand{\labelitemi}{$\circ$}'.
1797: '\renewcommand{\labelitemii}{$\circ$}'.
1798: '\renewcommand{\labelitemiii}{$\circ$}'.
1799: '\renewcommand{\labelitemiv}{$\circ$}';
1.125 sakharuk 1800: } elsif ($TeXtype eq 'square') {
1.222 sakharuk 1801: $currentstring .= '\renewcommand{\labelitemi}{$\diamond$}'.
1802: '\renewcommand{\labelitemii}{$\diamond$}'.
1803: '\renewcommand{\labelitemiii}{$\diamond$}'.
1804: '\renewcommand{\labelitemiv}{$\diamond$}';
1.125 sakharuk 1805: }
1.222 sakharuk 1806: $currentstring .= '\strut \begin{itemize}';
1.122 albertel 1807: }
1808: return $currentstring;
1809: }
1810:
1811: sub end_ul {
1812: my ($target,$token) = @_;
1813: my $currentstring = '';
1.325 albertel 1814: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1815: $currentstring = $token->[2];
1816: } elsif ($target eq 'tex') {
1.222 sakharuk 1817: $currentstring = '\end{itemize} \renewcommand{\labelitemi}{$\bullet$}'.
1818: '\renewcommand{\labelitemii}{$\bullet$}'.
1819: '\renewcommand{\labelitemiii}{$\bullet$}'.
1820: '\renewcommand{\labelitemiv}{$\bullet$}\strut ';
1.122 albertel 1821: }
1822: return $currentstring;
1823: }
1824:
1.181 sakharuk 1825: #-- <menu> tag (end tag required)
1.122 albertel 1826: sub start_menu {
1827: my ($target,$token) = @_;
1828: my $currentstring = '';
1.325 albertel 1829: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1830: $currentstring = $token->[4];
1831: } elsif ($target eq 'tex') {
1832: $currentstring = " \\begin{itemize} ";
1833: }
1834: return $currentstring;
1835: }
1836:
1837: sub end_menu {
1838: my ($target,$token) = @_;
1839: my $currentstring = '';
1.325 albertel 1840: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1841: $currentstring = $token->[2];
1842: } elsif ($target eq 'tex') {
1843: $currentstring = " \\end{itemize}";
1844: }
1845: return $currentstring;
1846: }
1847:
1.181 sakharuk 1848: #-- <dir> tag (end tag required)
1.122 albertel 1849: sub start_dir {
1850: my ($target,$token) = @_;
1.279 foxr 1851: my $currentstring = &end_p(); # In case there's a <p> prior to the list.
1.325 albertel 1852: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 1853: $currentstring .= $token->[4];
1.122 albertel 1854: } elsif ($target eq 'tex') {
1.277 foxr 1855: $currentstring .= " \\begin{itemize} ";
1.122 albertel 1856: }
1857: return $currentstring;
1858: }
1859:
1860: sub end_dir {
1861: my ($target,$token) = @_;
1862: my $currentstring = '';
1.325 albertel 1863: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1864: $currentstring = $token->[2];
1865: } elsif ($target eq 'tex') {
1866: $currentstring = " \\end{itemize}";
1867: }
1868: return $currentstring;
1869: }
1870:
1.181 sakharuk 1871: #-- <ol> tag (end tag required)
1.122 albertel 1872: sub start_ol {
1.125 sakharuk 1873: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 1874: my $currentstring = &end_p(); # In case there's a <p> prior to the list.
1.325 albertel 1875: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 1876: $currentstring .= $token->[4];
1.122 albertel 1877: } elsif ($target eq 'tex') {
1.238 albertel 1878: $Apache::londefdef::list_index=0;
1.125 sakharuk 1879: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0);
1880: if ($type eq '1') {
1.222 sakharuk 1881: $currentstring .= '\renewcommand{\labelenumi}{\arabic{enumi}.}'.
1882: '\renewcommand{\labelenumii}{\arabic{enumii}.}'.
1883: '\renewcommand{\labelenumiii}{\arabic{enumiii}.}'.
1884: '\renewcommand{\labelenumiv}{\arabic{enumiv}.}';
1.125 sakharuk 1885: } elsif ($type eq 'A') {
1.222 sakharuk 1886: $currentstring .= '\renewcommand{\labelenumi}{\Alph{enumi}.}'.
1887: '\renewcommand{\labelenumii}{\Alph{enumii}.}'.
1888: '\renewcommand{\labelenumiii}{\Alph{enumiii}.}'.
1889: '\renewcommand{\labelenumiv}{\Alph{enumiv}.}';
1.125 sakharuk 1890: } elsif ($type eq 'a') {
1.222 sakharuk 1891: $currentstring .= '\renewcommand{\labelenumi}{\alph{enumi}.}'.
1892: '\renewcommand{\labelenumii}{\alph{enumii}.}'.
1893: '\renewcommand{\labelenumiii}{\alph{enumiii}.}'.
1894: '\renewcommand{\labelenumiv}{\alph{enumiv}.}';
1.125 sakharuk 1895: } elsif ($type eq 'i') {
1.222 sakharuk 1896: $currentstring .= '\renewcommand{\labelenumi}{\roman{enumi}.}'.
1897: '\renewcommand{\labelenumii}{\roman{enumii}.}'.
1898: '\renewcommand{\labelenumiii}{\roman{enumiii}.}'.
1899: '\renewcommand{\labelenumiv}{\roman{enumiv}.}';
1.125 sakharuk 1900: } elsif ($type eq 'I') {
1.222 sakharuk 1901: $currentstring .= '\renewcommand{\labelenumi}{\Roman{enumi}.}'.
1902: '\renewcommand{\labelenumii}{\Roman{enumii}.}'.
1903: '\renewcommand{\labelenumiii}{\Roman{enumiii}.}'.
1904: '\renewcommand{\labelenumiv}{\Roman{enumiv}.}';
1.125 sakharuk 1905: }
1.222 sakharuk 1906: $currentstring .= '\strut \begin{enumerate}';
1.122 albertel 1907: }
1908: return $currentstring;
1909: }
1910:
1911: sub end_ol {
1912: my ($target,$token) = @_;
1913: my $currentstring = '';
1.325 albertel 1914: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1915: $currentstring = $token->[2];
1916: } elsif ($target eq 'tex') {
1.222 sakharuk 1917: $currentstring = '\end{enumerate}\renewcommand{\labelenumi}{\arabic{enumi}.}'.
1918: '\renewcommand{\labelenumii}{\arabic{enumii}.}'.
1919: '\renewcommand{\labelenumiii}{\arabic{enumiii}.}'.
1920: '\renewcommand{\labelenumiv}{\arabic{enumiv}.}\strut ';
1.122 albertel 1921: }
1922: return $currentstring;
1923: }
1924:
1.181 sakharuk 1925: #-- <dl> tag (end tag required)
1.122 albertel 1926: sub start_dl {
1927: my ($target,$token) = @_;
1.279 foxr 1928: my $currentstring = &end_p(); # In case there's a <p> unclosed prior to the list.
1.325 albertel 1929: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 1930: $currentstring .= $token->[4];
1.122 albertel 1931: } elsif ($target eq 'tex') {
1.277 foxr 1932: $currentstring .= '\begin{description}';
1.243 albertel 1933: $Apache::londefdef::DL++;
1934: push(@Apache::londefdef::description,[]);
1935: $Apache::londefdef::DD[$Apache::londefdef::DL]=0;
1936: $Apache::londefdef::DT[$Apache::londefdef::DL]=0;
1.244 albertel 1937: $Apache::londefdef::seenDT[$Apache::londefdef::DL]=0;
1.122 albertel 1938: }
1939: return $currentstring;
1940: }
1941:
1942: sub end_dl {
1.174 sakharuk 1943: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1944: my $currentstring = '';
1.325 albertel 1945: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1946: $currentstring = $token->[2];
1947: } elsif ($target eq 'tex') {
1.243 albertel 1948: if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
1949: if ($Apache::londefdef::DD[-1]) { &end_dd(@_); }
1950: foreach my $element (@{$Apache::londefdef::description[-1]}) {
1.174 sakharuk 1951: $currentstring.=' '.$element.' ';
1952: }
1.243 albertel 1953: pop(@Apache::londefdef::description);
1.174 sakharuk 1954: $currentstring.='\end{description}';
1.243 albertel 1955: delete($Apache::londefdef::DD[$Apache::londefdef::DL]);
1956: delete($Apache::londefdef::DT[$Apache::londefdef::DL]);
1.244 albertel 1957: delete($Apache::londefdef::seenDT[$Apache::londefdef::DL]);
1.243 albertel 1958: $Apache::londefdef::DL--;
1.122 albertel 1959: }
1960: return $currentstring;
1961: }
1962:
1.172 sakharuk 1963: #-- <dt> tag (end tag optional)
1.122 albertel 1964: sub start_dt {
1.172 sakharuk 1965: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1966: my $currentstring='';
1.325 albertel 1967: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1968: $currentstring = $token->[4];
1969: } elsif ($target eq 'tex') {
1.243 albertel 1970: if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
1971: if ($Apache::londefdef::DD[-1]) { &end_dd(@_); }
1.174 sakharuk 1972: &Apache::lonxml::startredirection();
1.243 albertel 1973: $Apache::londefdef::DT[-1]++;
1.244 albertel 1974: $Apache::londefdef::seenDT[-1]=1;
1.122 albertel 1975: }
1976: return $currentstring;
1977: }
1978:
1979: sub end_dt {
1.172 sakharuk 1980: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 1981: my $currentstring = '';
1.325 albertel 1982: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 1983: $currentstring = $token->[2];
1984: } elsif ($target eq 'tex') {
1.243 albertel 1985: if ($Apache::londefdef::DT[-1]) {
1986: my $data=&item_cleanup();
1.244 albertel 1987: push(@{$Apache::londefdef::description[-1]},'\item['.$data.'] \strut \vskip 0mm');
1.243 albertel 1988: $Apache::londefdef::DT[-1]--;
1989: }
1.122 albertel 1990: }
1991: return $currentstring;
1992: }
1993:
1.173 sakharuk 1994: sub item_cleanup {
1.174 sakharuk 1995: my $item=&Apache::lonxml::endredirection();
1.173 sakharuk 1996: $item=~s/\\begin{center}//g;
1997: $item=~s/\\end{center}//g;
1998: return $item;
1999: }
2000:
1.181 sakharuk 2001: #-- <dd> tag (end tag optional)
1.122 albertel 2002: sub start_dd {
1.147 sakharuk 2003: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 2004: my $currentstring = '';
1.325 albertel 2005: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2006: $currentstring = $token->[4];
1.147 sakharuk 2007: } elsif ($target eq 'tex') {
1.243 albertel 2008: if ($Apache::londefdef::DT[-1]) { &end_dt(@_); }
2009: if ($Apache::londefdef::DD[-1]) { &end_dd(@_);}
1.244 albertel 2010: if (!$Apache::londefdef::seenDT[-1]) {
2011: push(@{$Apache::londefdef::description[-1]},'\item[\strut] \strut \vskip 0mm ');
2012: }
1.243 albertel 2013: push(@{$Apache::londefdef::description[-1]},'');
2014: $Apache::londefdef::description[-1]->[-1].=' \strut ';
2015: $Apache::londefdef::DD[-1]++;
1.174 sakharuk 2016: &Apache::lonxml::startredirection();
1.122 albertel 2017: }
2018: return $currentstring;
2019: }
2020:
2021: sub end_dd {
1.174 sakharuk 2022: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 2023: my $currentstring = '';
1.325 albertel 2024: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2025: $currentstring = $token->[2];
1.174 sakharuk 2026: } elsif ($target eq 'tex') {
1.243 albertel 2027: $Apache::londefdef::description[-1]->[-1].=
2028: &Apache::lonxml::endredirection().' \vskip 0mm ';
2029: $Apache::londefdef::DD[-1]--;
1.174 sakharuk 2030: }
1.122 albertel 2031: return $currentstring;
2032: }
2033:
1.181 sakharuk 2034: #-- <table> tag (end tag required)
1.277 foxr 2035: # <table> also ends any prior <p> that is not closed.
2036: # but, unless I allow <p>'s to nest, that's the
2037: # only way I could think of to allow <p> in
2038: # <tr> <th> bodies
2039: #
1.398 foxr 2040: #list of supported attributes: border,width,TeXwidth,TeXtheme
2041: # align
1.91 sakharuk 2042: sub start_table {
2043: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.277 foxr 2044: my $textwidth = '';
1.279 foxr 2045: my $currentstring = &end_p();
1.325 albertel 2046: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 2047: $currentstring .= $token->[4];
1.91 sakharuk 2048: } elsif ($target eq 'tex') {
1.396 foxr 2049: &disable_para(); # Can't have paras in a table.
1.398 foxr 2050:
2051: # Get the parameters that we can do something about:
2052:
2053: my $border = &Apache::lonxml::get_param('border', $parstack, $safeeval, undef, 0);
2054: my $width = &Apache::lonxml::get_param('TeXwidth', $parstack, $safeeval, undef, 0);
2055: my $theme = &Apache::lonxml::get_param('TeXtheme', $parstack, $safeeval, undef, 0);
2056: my $align = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef, 0);
1.420 foxr 2057: my $cell_border = &Apache::lonxml::get_param('rules', $parstack, $safeeval, undef, 0);
1.398 foxr 2058:
2059: # The only thing that needs any figuring out is the width.. and then only if it is
2060: # a percent. If not it's assumed to be some valid TeX measurement unit e.g. 3.0cm
2061: #
2062:
2063: my $table = new Apache::lontable();
1.420 foxr 2064: if ((defined $border) && ($border > 0)) {
1.421 raeburn 2065: # &Apache::lonnet::logthis("Turning on table borders: $border");
1.398 foxr 2066: $table->table_border(1);
1.428 foxr 2067: if (!defined $cell_border) {
2068: $table->cell_border(1); # Default for rules is all if rules not defined.
1.420 foxr 2069: }
2070: }
2071:
1.428 foxr 2072: if ((defined $cell_border)) {
2073: if ($cell_border eq 'all') {
2074: $table->cell_border(1);
2075: } elsif ($cell_border eq 'rows') {
2076: $table->cell_border(2);
2077: } elsif ($cell_border eq 'cols') {
2078: $table->cell_border(3);
1.430 foxr 2079: } elsif($cell_border eq 'groups') {
2080: $table->cell_border(4);
1.428 foxr 2081: } else {
2082: $table->cell_border(0);
2083: }
1.398 foxr 2084: }
1.420 foxr 2085: if (defined $theme) {
1.398 foxr 2086: $table->theme($theme);
2087: }
1.420 foxr 2088: if (defined $align) {
1.398 foxr 2089: $table->alignment($align);
2090: }
2091:
2092: # Missing width is most of page width
2093:
1.420 foxr 2094: if (!(defined $width)) {
1.398 foxr 2095: $width = '70%';
2096: }
1.420 foxr 2097:
1.398 foxr 2098: # If a percentage, need to calculate what this means in terms of
2099: # page width:
2100:
2101: if ($width =~ /%$/) {
2102: my $textwidth = &recalc($env{'form.textwidth'}); # Page width in mm.
2103: $width =~ s/%//;
2104: $width = $width * $textwidth / 100.0;
2105: $width .= " mm";
2106: $table->width($width);
2107: }
2108:
2109: push(@Apache::londefdef::table, $table);
2110: $currentstring.=' \keephidden{NEW TABLE ENTRY}';
2111:
1.294 foxr 2112: }
1.91 sakharuk 2113: return $currentstring;
2114: }
1.122 albertel 2115:
2116: sub end_table {
2117: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2118: my $currentstring = '';
1.325 albertel 2119: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2120: $currentstring = $token->[2];
2121: } elsif ($target eq 'tex') {
1.425 foxr 2122:
2123:
1.398 foxr 2124: my $table = pop(@Apache::londefdef::table);
2125: my $t = $table->generate();
1.423 raeburn 2126: # &Apache::lonnet::logthis("Generating string");
1.398 foxr 2127: $currentstring = $t->generate_string();
1.423 raeburn 2128: # &Apache::lonnet::logthis("Generated: $currentstring");
1.398 foxr 2129: &enable_para();
1.425 foxr 2130:
1.398 foxr 2131: }
1.122 albertel 2132: return $currentstring;
2133: }
2134:
1.166 sakharuk 2135: #-- <tr> tag (end tag optional)
1.122 albertel 2136: sub start_tr {
2137: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2138: my $currentstring = '';
1.325 albertel 2139: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2140: $currentstring = $token->[4];
2141: } elsif ($target eq 'tex') {
1.398 foxr 2142:
2143: my $align = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef, 1);
2144: $Apache::londefdef::table[-1]->start_row();
2145:
2146: if ($align ne '') {
2147: $Apache::londefdef::table[-1]->configure_row({default_halign => $align});
2148: }
2149:
2150: #---------------------------------------------------------------
2151: # Old table code.
2152: #---------------------------------------------------------------
2153:
2154: if (0) {
1.122 albertel 2155: $Apache::londefdef::table[-1]{'row_number'}++;
1.206 sakharuk 2156: my $alignchar=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
1.122 albertel 2157: if ($alignchar ne '') {
1.206 sakharuk 2158: push @ {$Apache::londefdef::table[-1]{'rows'} },substr($alignchar,0,1);
1.122 albertel 2159: } else {
2160: push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l';
2161: }
2162: push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'});
1.300 foxr 2163: #
2164: # Need to save the number of table columns to preserve the max # columns.
2165: #
2166: $Apache::londefdef::table[-1]{'prior_columns'} = $Apache::londefdef::table[-1]{'counter_columns'};
1.122 albertel 2167: $Apache::londefdef::table[-1]{'counter_columns'} = -1;
1.206 sakharuk 2168: push @ {$Apache::londefdef::table[-1]{'TeXlen'}}, [];
2169: push @ {$Apache::londefdef::table[-1]{'objectlen'}}, [];
2170: push @ {$Apache::londefdef::table[-1]{'minlen'}}, [];
2171: push @ {$Apache::londefdef::table[-1]{'maxlen'}}, [];
2172: push @ {$Apache::londefdef::table[-1]{'content'}}, [];
1.398 foxr 2173: }
1.122 albertel 2174: }
2175: return $currentstring;
2176: }
2177:
2178: sub end_tr {
1.160 sakharuk 2179: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 2180: my $currentstring = &end_p(); # Close any pending <p> in the row.
1.325 albertel 2181: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 2182: $currentstring .= $token->[2];
1.122 albertel 2183: } elsif ($target eq 'tex') {
1.398 foxr 2184:
2185: # In case the user is missing a </td> or </th> tag:
2186:
2187: if ($Apache::londefdef::TD_redirection) {
2188: &end_td_tex($parstack,$parser,$safeeval);
2189: }
2190: $Apache::londefdef::table[-1]->end_row();
2191:
2192: #-----------------------------------------------
2193: # Old table code
2194: #-----------------------------------------------
2195:
2196: if (0) {
1.160 sakharuk 2197: if ($Apache::londefdef::TD_redirection) {
2198: &end_td_tex($parstack,$parser,$safeeval);
2199: }
1.300 foxr 2200: # Counter columns must be the maximum number of columns seen
2201: # in the table so far so:
2202: if ($Apache::londefdef::table[-1]{'prior_columns'} > $Apache::londefdef::table[-1]{'counter_columns'}) {
2203: $Apache::londefdef::table[-1]{'counter_columns'} = $Apache::londefdef::table[-1]{'prior_columns'};
2204: }
1.398 foxr 2205: }
1.295 foxr 2206:
1.294 foxr 2207:
1.122 albertel 2208: }
2209: return $currentstring;
2210: }
2211:
1.166 sakharuk 2212: #-- <td> tag (end tag optional)
1.122 albertel 2213: sub start_td {
2214: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2215: my $currentstring = '';
1.325 albertel 2216: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2217: $currentstring = $token->[4];
2218: } elsif ($target eq 'tex') {
1.160 sakharuk 2219: $Apache::londefdef::TD_redirection = 1;
1.159 sakharuk 2220: &tag_check('tr','td',$tagstack,$parstack,$parser,$safeeval);
1.122 albertel 2221: }
2222: return $currentstring;
2223: }
1.159 sakharuk 2224:
2225: sub tag_check {
2226: my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_;
1.160 sakharuk 2227: my @ar=@$parstack;
2228: for (my $i=$#ar-1;$i>=0;$i--) {
2229: if (lc($$tagstack[$i]) eq $good_tag) {
2230: &start_td_tex($parstack,$parser,$safeeval);
2231: last;
2232: } elsif (lc($$tagstack[$i]) eq $bad_tag) {
2233: splice @ar, $i+1;
2234: &end_td_tex(\@ar,$parser,$safeeval);
2235: &start_td_tex($parstack,$parser,$safeeval);
2236: last;
1.159 sakharuk 2237: }
1.160 sakharuk 2238: }
1.159 sakharuk 2239: return '';
2240: }
1.398 foxr 2241:
2242: #
2243: # Factor out cell configuration hash generation:
2244: #
2245:
2246: sub cell_config_hash {
1.425 foxr 2247: my ($align, $rowspan, $colspan, $width) = @_;
1.426 raeburn 2248: if ($rowspan ne '') {
2249: $rowspan =~ s/^\s+|\s+$//g;
2250: }
2251: if ($colspan ne '') {
2252: $colspan =~ s/^\s+|\s+$//g;
2253: }
1.398 foxr 2254: my %config;
2255: if ($align ne '') {
2256: $config{'halign'} = $align;
2257: }
1.426 raeburn 2258: if (($colspan =~ /^\d+$/) && ($colspan > 0)) {
1.398 foxr 2259: $config{'colspan'} = $colspan;
2260: }
1.426 raeburn 2261: if (($rowspan =~ /^\d+$/) && ($rowspan > 0)) {
1.398 foxr 2262: $config{'rowspan'} = $rowspan;
2263: }
1.425 foxr 2264: if ($width ne '') {
2265: $config{'width'} = $width;
2266: }
1.398 foxr 2267: return \%config;
2268: }
1.159 sakharuk 2269:
2270: sub start_td_tex {
2271: my ($parstack,$parser,$safeeval) = @_;
1.398 foxr 2272:
2273: # At this stage, an empty cell is created with the
2274: # appropriate rowspan/colspan and alignment
2275: # attributes, but empty of text. end_td_tex will
2276: # fetch the contents from the recursive parse and
2277: # fill the cell with them:
1.425 foxr 2278: my $align = &Apache::lonxml::get_param('align', $parstack, $safeeval);
2279: my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval);
2280: my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval);
2281: my $width = &Apache::lonxml::get_param('TeXwidth', $parstack, $safeeval);
2282: my $config = &cell_config_hash($align, $rowspan, $colspan, $width);
1.398 foxr 2283:
2284: my $table = $Apache::londefdef::table[-1];
2285: $table->add_cell('', $config);
2286:
2287:
2288: #------------------------------------------------
2289: # Old table code.
2290: #------------------------------------------------
2291:
2292: if (0) {
2293:
1.206 sakharuk 2294: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
2295: if ($alignchar eq '') {
2296: $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1];
1.159 sakharuk 2297: }
1.206 sakharuk 2298: push @{ $Apache::londefdef::table[-1]{'align'}[$Apache::londefdef::table[-1]{'row_number'}] }, $alignchar;
1.159 sakharuk 2299: $Apache::londefdef::table[-1]{'counter_columns'}++;
1.206 sakharuk 2300: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2301: if (defined $TeXwidth) {
2302: my $current_length=&recalc($TeXwidth);
2303: $current_length=~/(\d+\.?\d*)/;
2304: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1;
2305: }
1.398 foxr 2306: }
1.159 sakharuk 2307: &Apache::lonxml::startredirection();
2308: return '';
2309: }
2310:
2311: sub end_td_tex {
1.398 foxr 2312:
2313: my $text = &Apache::lonxml::endredirection();
2314: my $table = $Apache::londefdef::table[-1];
2315: $table->append_cell_text($text);
2316:
2317: #-------------------------------------------------
2318: # Old table code
2319: #-------------------------------------------------
2320:
2321: if (0) {
1.159 sakharuk 2322: my ($parstack,$parser,$safeeval) = @_;
1.304 foxr 2323: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
2324: my $current_column = $Apache::londefdef::table[-1]{'counter_columns'};
1.303 foxr 2325: my $data = &Apache::lonxml::endredirection();
2326:
1.305 foxr 2327: # The rowspan array of the table indicates which cells are part of a span.
2328: # n indicates the start of a span set of n rows.
2329: # ^ indicates a cell that continues a span set.
1.306 foxr 2330: # _ indicates the cell is at the bottom of a span set.
1.305 foxr 2331: # If this and subsequent cells are part of a rowspan, we must
2332: # push along the row until we find one that is not.
2333:
2334: while ((defined $Apache::londefdef::table[-1]{'rowspan'}[$current_row] [$current_column])
1.306 foxr 2335: && ($Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column] =~ /[\^\_]/)) {
1.305 foxr 2336: # Part of a span.
2337: push @ {$Apache::londefdef::table[-1]{'content'}[-1]}, '';
2338: $current_column++;
2339: }
2340: $Apache::londefdef::table[-1]{'counter_columns'} = $current_column;
2341:
2342:
1.320 foxr 2343: # Get the column and row spans.
2344: # Colspan can be done via \multicolumn if I can figure out the data structs.
2345:
2346: my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 0);
2347: if (!$colspan) {
2348: $colspan = 1;
2349: }
1.305 foxr 2350:
2351: my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 0);
2352: if (!$rowspan) {
2353: $rowspan = 1;
2354: }
2355:
1.303 foxr 2356:
1.305 foxr 2357:
1.320 foxr 2358: for (my $c = 0; $c < $colspan; $c++) {
2359: $Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column+$c] = $rowspan;
2360: for (my $i = 1; $i < $rowspan; $i++) {
2361: $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column+$c] = '^';
2362: if ($i == ($rowspan-1)) {
2363: $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column+$c] = '_';
2364: }
1.306 foxr 2365: }
1.305 foxr 2366: }
1.304 foxr 2367:
1.159 sakharuk 2368: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2369: if (defined $TeXwidth) {
1.357 foxr 2370: for (my $c = 0; $c < $colspan; $c++) {
2371: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2372: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2373: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2374: }
1.159 sakharuk 2375: } else {
1.206 sakharuk 2376: if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {
2377: my $garbage_data=$data;
2378: my $fwidth=0;
2379: while ($garbage_data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2380: my $current_length=&recalc($1);
2381: $current_length=~/(\d+\.?\d*)/;
2382: if ($fwidth<$1) {$fwidth=$1;}
2383: $garbage_data=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2384: }
2385: while ($garbage_data=~m/\[(\d+\.?\d*)\s*mm\]/) {
2386: my $current_length=$1;
2387: if ($fwidth<$current_length) {$fwidth=$current_length;}
2388: $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;
2389: }
1.357 foxr 2390: for (my $c = 0; $c < $colspan; $c++) {
2391: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2392: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
2393: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2394: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2395: }
1.231 sakharuk 2396: } 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)*/) {
2397: my $garbage_data=$data;
2398: my $fwidth=0;
2399: while ($garbage_data=~/\\parbox\{\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)\s*\}/) {
2400: my $current_length=&recalc($1);
2401: $current_length=~/(\d+\.?\d*)/;
2402: if ($fwidth<$1) {$fwidth=$1;}
2403: $garbage_data=~s/\\parbox\{\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2404: }
2405: while ($garbage_data=~/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2406: my $current_length=&recalc($1);
2407: $current_length=~/(\d+\.?\d*)/;
2408: if ($fwidth<$1) {$fwidth=$1;}
2409: $garbage_data=~s/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2410: }
1.357 foxr 2411: for (my $c = 0; $c < $colspan; $c++) {
2412: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2413: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
2414: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2415: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2416: }
1.231 sakharuk 2417: $data=~s/\\\\\s*$//;
1.159 sakharuk 2418: } else {
1.166 sakharuk 2419: $data=~s/^\s+(\S.*)/$1/;
1.159 sakharuk 2420: $data=~s/(.*\S)\s+$/$1/;
1.166 sakharuk 2421: $data=~s/(\s)+/$1/;
1.206 sakharuk 2422: my ($current_length,$min_length)=(0,0);
1.166 sakharuk 2423: if ($data=~/\\vskip/) {
2424: my $newdata=$data;
2425: $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
2426: my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
2427: foreach my $elementdata (@newdata) {
1.206 sakharuk 2428: my $lengthnewdata=2.5*&LATEX_length($elementdata);
1.166 sakharuk 2429: if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
1.206 sakharuk 2430: my @words=split(/ /,$elementdata);
2431: foreach my $word (@words) {
2432: my $lengthword=2.5*&LATEX_length($word);
2433: if ($min_length<$lengthword) {$min_length=$lengthword;}
2434: }
1.166 sakharuk 2435: }
2436: } else {
1.206 sakharuk 2437: $current_length=2.5*&LATEX_length($data);
2438: my @words=split(/ /,$data);
2439: foreach my $word (@words) {
1.228 sakharuk 2440: my $lengthword=2*&LATEX_length($word);
1.206 sakharuk 2441: if ($min_length<$lengthword) {$min_length=$lengthword;}
2442: }
1.166 sakharuk 2443: }
1.357 foxr 2444: for (my $c = 0; $c < $colspan; $c++) {
2445: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2446: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2447: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;
2448: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
2449: }
1.159 sakharuk 2450: }
2451: }
1.302 foxr 2452: # Substitute all of the tables nested in this cell in their appropriate places.
2453:
2454:
2455: my $nested_count = $#{$Apache::londefdef::table[-1]{'include'}}; # This one is constant...
2456: for (my $in=0; $in<=$nested_count; $in++) {
1.301 foxr 2457: my $nested = shift @{$Apache::londefdef::table[-1]{'include'}};
2458: $nested =~ s/\\end\{tabular\}\\strut\\\\/\\end\{tabular\}/;
2459: # $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
2460: $data =~ s/\\keephidden\{NEW TABLE ENTRY\}/$nested/;
2461:
2462: }
2463: # Should be be killing off the 'include' elements as they're used up?
1.305 foxr 2464:
1.206 sakharuk 2465: push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data;
1.305 foxr 2466:
1.304 foxr 2467:
2468:
2469:
2470: # the colspan array will indicate how many columns will be spanned by this
2471: # cell..this requires that counter_columns also be adjusted accordingly
2472: # so that the next bunch of text goes in the right cell. Note that since
2473: # counter_columns is incremented in the start_td_tex, we adjust by colspan-1.
2474: #
2475:
2476: $Apache::londefdef::table[-1]{'counter_columns'} += $colspan -1;
2477: for (my $i = 0; $i < ($colspan -1); $i++) {
2478: push @ {$Apache::londefdef::table[-1]{'content'}[-1] },'';
2479: }
1.320 foxr 2480: for (my $r = 0; $r < $rowspan; $r++) {
2481: $Apache::londefdef::table[-1]{'colspan'}[$current_row+$r][$current_column] = $colspan;
2482: # Put empty text in spanned cols.
2483:
2484: }
2485:
1.398 foxr 2486: }
1.304 foxr 2487:
1.301 foxr 2488: return '';
1.159 sakharuk 2489: }
2490:
1.122 albertel 2491: sub end_td {
1.126 sakharuk 2492: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 2493: my $currentstring = '';
1.325 albertel 2494: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2495: $currentstring = $token->[2];
2496: } elsif ($target eq 'tex') {
1.160 sakharuk 2497: $Apache::londefdef::TD_redirection =0;
1.159 sakharuk 2498: &end_td_tex($parstack,$parser,$safeeval);
1.122 albertel 2499: }
2500: return $currentstring;
2501: }
2502:
1.166 sakharuk 2503: #-- <th> tag (end tag optional)
1.122 albertel 2504: sub start_th {
2505: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2506: my $currentstring = '';
1.325 albertel 2507: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2508: $currentstring = $token->[4];
2509: } elsif ($target eq 'tex') {
1.230 sakharuk 2510: $Apache::londefdef::TD_redirection = 1;
2511: &tagg_check('tr','th',$tagstack,$parstack,$parser,$safeeval);
1.122 albertel 2512: }
2513: return $currentstring;
1.130 sakharuk 2514: }
1.230 sakharuk 2515:
2516: sub tagg_check {
2517: my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_;
2518: my @ar=@$parstack;
2519: for (my $i=$#ar-1;$i>=0;$i--) {
2520: if (lc($$tagstack[$i]) eq $good_tag) {
2521: &start_th_tex($parstack,$parser,$safeeval);
2522: last;
2523: } elsif (lc($$tagstack[$i]) eq $bad_tag) {
2524: splice @ar, $i+1;
2525: &end_th_tex(\@ar,$parser,$safeeval);
2526: &start_th_tex($parstack,$parser,$safeeval);
2527: last;
2528: }
2529: }
2530: return '';
2531: }
2532:
2533: sub start_th_tex {
2534: my ($parstack,$parser,$safeeval) = @_;
1.398 foxr 2535:
2536: my $alignment = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef,1);
2537: my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 1);
2538: my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 1);
2539:
2540: my $config = cell_config_hash($alignment, $rowspan, $colspan);
2541: my $table = $Apache::londefdef::table[-1];
2542: $table->add_cell('\textbf{', $config);
2543:
2544: #-------------------------------------------------------------------------------------
2545: #
2546: # Old table code.
2547: #
2548: #--------------------------------------------------------------------------------------
2549:
2550: if (0) {
2551:
2552:
1.230 sakharuk 2553: my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1);
2554: if ($alignchar eq '') {
2555: $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1];
2556: }
2557: push @{ $Apache::londefdef::table[-1]{'align'}[$Apache::londefdef::table[-1]{'row_number'}] }, $alignchar;
2558: $Apache::londefdef::table[-1]{'counter_columns'}++;
2559: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2560: if (defined $TeXwidth) {
2561: my $current_length=&recalc($TeXwidth);
2562: $current_length=~/(\d+\.?\d*)/;
2563: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1;
2564: }
1.398 foxr 2565: }
2566:
2567: # Accept xml until the </th> tag.
2568:
1.230 sakharuk 2569: &Apache::lonxml::startredirection();
2570: return '';
2571: }
2572:
2573: sub end_th_tex {
2574: my ($parstack,$parser,$safeeval) = @_;
1.398 foxr 2575:
2576: my $table = $Apache::londefdef::table[-1];
2577: my $text = &Apache::lonxml::endredirection();
2578: $table->append_cell_text($text.'}');
2579:
2580: #-----------------------------------------------------------------------------
2581: # Old table code:
2582: #-----------------------------------------------------------------------------
2583:
2584: if (0) {
1.230 sakharuk 2585: my $current_row = $Apache::londefdef::table[-1]{'row_number'};
2586: my $data=&Apache::lonxml::endredirection();
2587: my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
2588: if (defined $TeXwidth) {
2589: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2590: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2591: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2592: } else {
2593: if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {
2594: my $garbage_data=$data;
2595: my $fwidth=0;
2596: while ($garbage_data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) {
2597: my $current_length=&recalc($1);
2598: $current_length=~/(\d+\.?\d*)/;
2599: if ($fwidth<$1) {$fwidth=$1;}
2600: $garbage_data=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
2601: }
2602: while ($garbage_data=~m/\[(\d+\.?\d*)\s*mm\]/) {
2603: my $current_length=$1;
2604: if ($fwidth<$current_length) {$fwidth=$current_length;}
2605: $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;
2606: }
2607: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2608: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
2609: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2610: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2611: } else {
2612: $data=~s/^\s+(\S.*)/$1/;
2613: $data=~s/(.*\S)\s+$/$1/;
2614: $data=~s/(\s)+/$1/;
2615: my ($current_length,$min_length)=(0,0);
2616: if ($data=~/\\vskip/) {
2617: my $newdata=$data;
2618: $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
2619: my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
2620: foreach my $elementdata (@newdata) {
2621: my $lengthnewdata=2.5*&LATEX_length($elementdata);
2622: if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
2623: my @words=split(/ /,$elementdata);
2624: foreach my $word (@words) {
2625: my $lengthword=2.5*&LATEX_length($word);
2626: if ($min_length<$lengthword) {$min_length=$lengthword;}
2627: }
2628: }
2629: } else {
2630: $current_length=2.5*&LATEX_length($data);
2631: my @words=split(/ /,$data);
2632: foreach my $word (@words) {
2633: my $lengthword=2*&LATEX_length($word);
2634: if ($min_length<$lengthword) {$min_length=$lengthword;}
2635: }
2636: }
2637: push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2638: push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
2639: push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;
2640: push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
2641: }
2642: }
2643: for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {
2644: $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
2645: }
2646: #make data bold
2647: $data='\textbf{'.$data.'}';
2648: push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data;
1.398 foxr 2649: }
1.230 sakharuk 2650: return'';
2651: }
2652:
1.122 albertel 2653: sub end_th {
1.130 sakharuk 2654: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 2655: my $currentstring = &end_p(); # Close any open <p> in the row.
1.325 albertel 2656: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 2657: $currentstring .= $token->[2];
1.122 albertel 2658: } elsif ($target eq 'tex') {
1.230 sakharuk 2659: $Apache::londefdef::TD_redirection =0;
2660: &end_th_tex($parstack,$parser,$safeeval);
1.122 albertel 2661: }
2662: return $currentstring;
2663: }
1.230 sakharuk 2664:
1.181 sakharuk 2665: #-- <img> tag (end tag forbidden)
1.249 foxr 2666: #
2667: # Render the <IMG> tag.
2668: # <IMG> has the following attributes (in addition to the
2669: # standard HTML ones:
2670: # TeXwrap - Governs how the tex target will try to wrap text around
2671: # horizontally aligned images.
2672: # TeXwidth - The width of the image when rendered for print (mm).
2673: # TeXheight - The height of the image when rendered for print (mm)
2674: # (Note there seems to also be support for this as a % of page size)
2675: #
1.122 albertel 2676: sub start_img {
1.299 albertel 2677: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
1.122 albertel 2678: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
2679: undef,1);
1.325 albertel 2680: if (! $src &&
2681: ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex')
2682: ) {
1.299 albertel 2683: my $inside = &Apache::lonxml::get_all_text("/img",$parser,$style);
1.189 albertel 2684: return '';
2685: }
1.290 albertel 2686: &Apache::lonxml::extlink($src);
1.122 albertel 2687: my $currentstring = '';
2688: my $scaling = .3;
1.249 foxr 2689:
2690: # Render unto browsers that which are the browser's...
2691:
1.325 albertel 2692: if ($target eq 'web' || $target eq 'webgrade') {
1.417 bisitz 2693: my $enc = ('yes' eq
2694: lc(&Apache::lonxml::get_param('encrypturl',$parstack,
2695: $safeeval)));
2696: $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src},
2697: $enc);
1.249 foxr 2698:
1.417 bisitz 2699: # and render unto TeX that which is LaTeX
1.122 albertel 2700: } elsif ($target eq 'tex') {
1.248 foxr 2701: #
2702: # The alignment will require some superstructure to be put around
2703: # the \includegraphics stuff. At present we can only partially
2704: # simulate the alignments offered by html.
2705: #
2706: #
2707: my $align = lc(&Apache::lonxml::get_param('align',
2708: $parstack,
2709: $safeeval,
2710: undef,1));
2711: if(!$align) {
1.287 foxr 2712: $align = "bottom"; # This is html's default so it's ours too.
1.248 foxr 2713: }
2714: #
2715: &Apache::lonxml::debug("Alignemnt = $align");
2716: # LaTeX's image/text wrapping is really bad since it wants to
2717: # make figures float.
2718: # The user has the optional parameter (applicable only to l/r
2719: # alignment to use the picins/parpic directive to get wrapped text
2720: # this is also imperfect.. that's why we give them a choice...
2721: # so they can't yell at us for our choice.
2722: #
2723: my $latex_rendering = &Apache::lonxml::get_param('TeXwrap',
2724: $parstack,
2725: $safeeval,
2726: undef,0);
1.312 foxr 2727: # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering");
1.248 foxr 2728: if(!$latex_rendering) {
1.312 foxr 2729: $latex_rendering = "texwrap";
2730: }
2731: # using texwrap inside a table does not work. So, if after all of this,
2732: # texwrap is on, we turn it off if we detect we're in a table:
2733: #
2734: if (($latex_rendering eq 'texwrap') && &is_inside_of($tagstack, "table")) {
2735: $latex_rendering = 'parpic';
1.248 foxr 2736: }
1.323 foxr 2737:
1.312 foxr 2738: # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src");
1.248 foxr 2739:
1.390 foxr 2740: #if original bmp/gif/jpg/png file exist do following:
1.266 albertel 2741: my $origsrc=$src;
1.256 albertel 2742: my ($path,$file) = &get_eps_image($src);
1.341 foxr 2743: # &Apache::lonnet::logthis("Image source: $src result: $path $file");
1.122 albertel 2744: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1.261 foxr 2745: &Apache::lonxml::debug("path = $path file = $file src = $src");
1.192 sakharuk 2746: if (-e $src) {
1.261 foxr 2747: &Apache::lonxml::debug("$src exists");
1.256 albertel 2748: my ($height_param,$width_param)=
1.266 albertel 2749: &image_size($origsrc,0.3,$parstack,$safeeval);
2750: my $size;
2751: if ($width_param) { $size.='width='.$width_param.' mm,'; }
2752: if ($height_param) { $size.='height='.$height_param.' mm]'; }
1.341 foxr 2753: # Default size if not able to extract that (e.g. eps image).
2754:
2755: # &Apache::lonnet::logthis("Size = $size");
2756:
1.266 albertel 2757: $size='['.$size;
2758: $size=~s/,$/]/;
1.344 albertel 2759: $currentstring .= '\graphicspath{{'.$path.'}}'
2760: .'\includegraphics'.$size.'{'.$file.'} ';
1.354 foxr 2761: my $closure;
2762: ($currentstring, $closure) = &align_latex_image($align,
2763: $latex_rendering,
2764: $currentstring,
2765: $width_param,
2766: $height_param);
2767: $currentstring .= $closure;
1.353 foxr 2768:
1.122 albertel 2769: } else {
1.261 foxr 2770: &Apache::lonxml::debug("$src does not exist");
1.122 albertel 2771: #original image file doesn't exist so check the alt attribute
2772: my $alt =
2773: &Apache::lonxml::get_param('alt',$parstack,$safeeval,undef,1);
2774: unless ($alt) {
2775: $alt=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src);
2776: }
2777:
1.256 albertel 2778: if ($alt) { $currentstring .= ' '.$alt.' '; }
1.59 sakharuk 2779: }
1.249 foxr 2780:
2781: # And here's where the semi-quote breaks down: allow the user
2782: # to edit the beast as well by rendering the problem for edit:
1.186 albertel 2783: } elsif ($target eq 'edit') {
1.368 banghart 2784: my $only = join(',',&Apache::loncommon::filecategorytypes('Pictures'));
1.186 albertel 2785: $currentstring .=&Apache::edit::tag_start($target,$token);
2786: $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
1.368 banghart 2787: &Apache::edit::browse('src',undef,'alt',$only).' '.
1.186 albertel 2788: &Apache::edit::search('src',undef,'alt').'<br />';
2789: $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />';
2790: $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5);
2791: $currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'<br />';
2792: $currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5);
2793: $currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5);
1.234 albertel 2794: $currentstring .=&Apache::edit::select_arg('Alignment:','align',
2795: ['','bottom','middle','top','left','right'],$token,5);
1.249 foxr 2796: $currentstring .=&Apache::edit::select_arg('TeXwrap:', 'TeXwrap',
1.348 albertel 2797: ['', 'none','parbox', 'parpic', 'wrapfigure'], $token, 2);
1.418 www 2798: my $alt= &Apache::lonxml::get_param('alt',$parstack,$safeeval);
2799: my $enc= &Apache::lonxml::get_param('encrypturl',$parstack,$safeeval);
2800:
1.332 www 2801: $currentstring .=&Apache::edit::select_arg('Encrypt URL:','encrypturl',
1.322 albertel 2802: ['no','yes'], $token, 2);
1.418 www 2803: if (($alt=~/\S/) && (lc($enc) eq 'yes')) {
2804: $currentstring.='<br /><span class="LC_warning">'.&mt('Warning: the description "[_1]" will be available, even for encrypted URL',$alt).'</span><br />';
2805: }
1.186 albertel 2806: $currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.249 foxr 2807: my $src= &Apache::lonxml::get_param('src',$parstack,$safeeval);
2808: my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
2809: my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
2810:
1.381 www 2811: if ($token->[2]{'src'}=~/\$/) {
1.418 www 2812: $currentstring.=&mt('Variable image source');
2813: } elsif ($token->[2]{'src'}=~/\S/) {
1.381 www 2814: $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';
2815: if ($width) { $currentstring.=' width="'.$width.'" '; }
2816: if ($height) { $currentstring.=' height="'.$height.'" '; }
2817: $currentstring .= ' />';
1.418 www 2818: } else {
2819: $currentstring.=&mt("No image source specified");
1.381 www 2820: }
1.186 albertel 2821: } elsif ($target eq 'modified') {
1.210 albertel 2822: my ($osrc,$owidth,$oheight)=
2823: ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
2824: my $ctag=&Apache::edit::get_new_args($token,$parstack,
1.234 albertel 2825: $safeeval,'src','alt','align',
1.249 foxr 2826: 'TeXwidth','TeXheight', 'TeXwrap',
1.322 albertel 2827: 'width','height','encrypturl');
1.210 albertel 2828: my ($nsrc,$nwidth,$nheight)=
2829: ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
2830: my $loc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$nsrc);
2831: &image_replication($loc);
2832: my ($iwidth,$iheight);
2833: if (-e $loc) {
2834: my $image = Image::Magick->new;
2835: $image->Read($loc);
2836: ($iwidth, $iheight) = ($image->Get('width'),
2837: $image->Get('height'));
2838: }
2839: if ($osrc ne $nsrc || (!$nwidth && !$nheight)) {
2840: # changed image or no size specified,
2841: # if they didn't explicitly change the
2842: # width or height use the ones from the image
2843: if ($iwidth && $iheight) {
2844: if ($owidth == $nwidth || (!$nwidth && !$nheight)) {
2845: $token->[2]{'width'} = $iwidth;$ctag=1;
2846: }
2847: if ($oheight == $nheight || (!$nwidth && !$nheight)) {
2848: $token->[2]{'height'}=$iheight;$ctag=1;
1.186 albertel 2849: }
2850: }
2851: }
1.210 albertel 2852: my ($cwidth,$cheight)=($token->[2]{'width'},$token->[2]{'height'});
2853: # if we don't have a width or height
2854: if ($iwidth && $cwidth && !$cheight) {
2855: $token->[2]{'height'}=int(($cwidth/$iwidth)*$iheight);$ctag=1;
2856: }
2857: if ($iheight && $cheight && !$cwidth) {
2858: $token->[2]{'width'}=int(($cheight/$iheight)*$iwidth);$ctag=1;
2859: }
2860: if ($ctag) {$currentstring=&Apache::edit::rebuild_tag($token);}
1.122 albertel 2861: }
1.261 foxr 2862:
1.122 albertel 2863: return $currentstring;
2864: }
2865:
2866: sub end_img {
2867: my ($target,$token) = @_;
2868: my $currentstring = '';
1.325 albertel 2869: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2870: $currentstring = $token->[2];
2871: } elsif ($target eq 'tex') {
2872: $currentstring = '';
2873: }
2874: return $currentstring;
2875: }
2876:
1.181 sakharuk 2877: #-- <applet> tag (end tag required)
1.122 albertel 2878: sub start_applet {
2879: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2880:
2881: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,undef,1);
1.290 albertel 2882: &Apache::lonxml::extlink($code);
1.122 albertel 2883: my $archive=&Apache::lonxml::get_param('archive',$parstack,$safeeval,
2884: undef,1);
1.290 albertel 2885: &Apache::lonxml::extlink($archive);
1.122 albertel 2886: my $currentstring = '';
1.325 albertel 2887: if ($target eq 'web' || $target eq 'webgrade') {
1.434 raeburn 2888: $currentstring = $token->[4];
1.122 albertel 2889: } elsif ($target eq 'tex') {
1.417 bisitz 2890: # Turn off some stuff we can't be inside thank you LaTeX
1.361 foxr 2891:
2892: my $restart_sub = 0;
2893: my $restart_sup = 0;
2894:
2895: # Since <sub> and <sup> are simple tags it's ok to turn off/on
2896: # using the start_ stop_ functions.. those tags only care about
2897: # $target.
2898:
2899: if (&is_inside_of($tagstack, "sub")) {
2900: $restart_sub = 1;
2901: $currentstring .= &end_sub($target, $token, $tagstack,
2902: $parstack, $parser, $safeeval);
2903: }
2904: if (&is_inside_of($tagstack, "sup")) {
2905: $restart_sup = 1;
2906: $currentstring .= &end_sup($target, $token, $tagstack,
2907: $parstack, $parser, $safeeval);
2908: }
2909:
2910: # Now process the applet; just replace it with its alt attribute.
2911:
1.177 albertel 2912: my $alttag= &Apache::lonxml::get_param('alt',$parstack,
2913: $safeeval,undef,1);
2914: unless ($alttag) {
2915: my $code=&Apache::lonxml::get_param('code',$parstack,$safeeval,
2916: undef,1);
2917: $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],
2918: $code);
1.175 sakharuk 2919: }
1.177 albertel 2920: $currentstring.='\begin{center} \fbox{Java Applet: '.$alttag.
2921: '.}\end{center}';
1.361 foxr 2922:
2923: # Turn stuff back on that we can't be inside of.
2924:
2925: if ($restart_sub) {
2926: $currentstring .= &start_sub($target, $token, $tagstack,
2927: $parstack, $parser, $safeeval);
2928: }
2929: if ($restart_sup) {
2930: $currentstring .= &start_sup($target, $token, $tagstack,
2931: $parstack, $parser, $safeeval);
2932: }
1.122 albertel 2933: }
2934: return $currentstring;
2935: }
2936:
2937: sub end_applet {
2938: my ($target,$token) = @_;
2939: my $currentstring = '';
1.325 albertel 2940: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 2941: $currentstring = $token->[2];
2942: } elsif ($target eq 'tex') {
2943: }
2944: return $currentstring;
2945: }
2946:
1.181 sakharuk 2947: #-- <embed> tag (end tag optional/required)
1.122 albertel 2948: sub start_embed {
2949: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
2950: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
1.290 albertel 2951: &Apache::lonxml::extlink($src);
1.122 albertel 2952: my $currentstring = '';
1.325 albertel 2953: if ($target eq 'web' || $target eq 'webgrade') {
1.417 bisitz 2954: $currentstring=&Apache::lonenc::encrypt_ref($token,{'src'=>$src});
1.122 albertel 2955: } elsif ($target eq 'tex') {
2956: }
2957: return $currentstring;
2958: }
2959:
2960: sub end_embed {
2961: my ($target,$token) = @_;
2962: my $currentstring = '';
1.325 albertel 2963: if ($target eq 'web' || $target eq 'webgrade') {
1.417 bisitz 2964: $currentstring = $token->[2];
2965: } elsif ($target eq 'tex') {
2966: # ./.
2967: }
1.122 albertel 2968: return $currentstring;
2969: }
2970:
1.181 sakharuk 2971: #-- <param> tag (end tag forbidden)
1.122 albertel 2972: sub start_param {
2973: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.290 albertel 2974: if (&Apache::lonxml::get_param('name',$parstack,
2975: $safeeval,undef,1)=~/^cabbase$/i) {
2976: my $value=&Apache::lonxml::get_param('value',$parstack,
2977: $safeeval,undef,1);
2978: &Apache::lonxml::extlink($value);
2979: }
2980:
2981: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2982: &Apache::lonxml::extlink($src);
1.122 albertel 2983: my $currentstring = '';
1.325 albertel 2984: if ($target eq 'web' || $target eq 'webgrade') {
1.250 albertel 2985: my %toconvert;
2986: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
2987: if ($src) { $toconvert{'src'}= $src; }
2988: my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval,
2989: undef,1);
1.251 albertel 2990: if ($name=~/^cabbase$/i) {
2991: $toconvert{'value'}=&Apache::lonxml::get_param('value',$parstack,
2992: $safeeval,undef,1);
2993: }
1.250 albertel 2994: $currentstring = &Apache::lonenc::encrypt_ref($token,\%toconvert);
1.122 albertel 2995: } elsif ($target eq 'tex') {
2996: }
2997: return $currentstring;
2998: }
2999:
3000: sub end_param {
3001: my ($target,$token) = @_;
3002: my $currentstring = '';
1.325 albertel 3003: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3004: $currentstring = $token->[2];
3005: } elsif ($target eq 'tex') {
3006: }
3007: return $currentstring;
3008: }
3009:
3010: #-- <allow> tag
3011: sub start_allow {
3012: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3013: my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
1.290 albertel 3014: &Apache::lonxml::extlink($src);
3015:
1.241 albertel 3016: if ($target eq 'tex') { &image_replication($src); }
1.122 albertel 3017: my $result;
3018: if ($target eq 'edit') {
3019: $result .=&Apache::edit::tag_start($target,$token);
3020: $result .=&Apache::edit::text_arg('File Spec:','src',$token,70);
3021: $result .=&Apache::edit::end_row();#.&Apache::edit::start_spanning_row();
3022: } elsif ($target eq 'modified') {
3023: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
3024: $safeeval,'src');
3025: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
3026: }
3027: return $result;
3028: }
3029:
3030: sub end_allow {
3031: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3032: if ( $target eq 'edit') { return (&Apache::edit::end_table()); }
3033: return '';
3034: }
1.119 www 3035:
1.181 sakharuk 3036: #-- Frames (end tag required)
3037: #-- <frameset>
1.122 albertel 3038: sub start_frameset {
3039: my ($target,$token) = @_;
1.277 foxr 3040: my $currentstring = ''; # Close any pending para.
1.325 albertel 3041: if ($target eq 'web' || $target eq 'webgrade') {
1.328 albertel 3042: $currentstring =
3043: &Apache::loncommon::start_page($Apache::londefdef::title,
3044: $Apache::londefdef::head,
3045: {'add_entries' => $token->[2],
1.404 bisitz 3046: # 'no_title' => 1,
1.328 albertel 3047: 'force_register' => 1,
3048: 'frameset' => 1,});
3049:
1.122 albertel 3050: }
3051: return $currentstring;
3052: }
3053:
3054: sub end_frameset {
3055: my ($target,$token) = @_;
3056: my $currentstring = '';
1.325 albertel 3057: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3058: $currentstring = $token->[2];
3059: }
3060: return $currentstring;
3061: }
1.162 sakharuk 3062:
1.181 sakharuk 3063: #-- <xmp> (end tag required)
1.162 sakharuk 3064: sub start_xmp {
3065: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3066: my $currentstring = '';
1.325 albertel 3067: if ($target eq 'web' || $target eq 'webgrade') {
1.162 sakharuk 3068: $currentstring .= $token->[4];
3069: } elsif ($target eq 'tex') {
3070: $currentstring .= '\begin{verbatim}';
3071: }
3072: return $currentstring;
3073: }
3074:
3075: sub end_xmp {
3076: my ($target,$token) = @_;
3077: my $currentstring = '';
1.325 albertel 3078: if ($target eq 'web' || $target eq 'webgrade') {
1.162 sakharuk 3079: $currentstring .= $token->[2];
3080: } elsif ($target eq 'tex') {
3081: $currentstring .= '\end{verbatim}';
3082: }
3083: return $currentstring;
3084: }
3085:
1.181 sakharuk 3086: #-- <pre> (end tag required)
1.122 albertel 3087: sub start_pre {
1.126 sakharuk 3088: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 3089: my $currentstring = &end_p(); # close off pending <p>
1.325 albertel 3090: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3091: $currentstring .= $token->[4];
3092: } elsif ($target eq 'tex') {
1.136 sakharuk 3093: $currentstring .= '\begin{verbatim}';
1.319 albertel 3094: &Apache::lonxml::disable_LaTeX_substitutions();
1.122 albertel 3095: }
3096: return $currentstring;
3097: }
3098:
3099: sub end_pre {
3100: my ($target,$token) = @_;
3101: my $currentstring = '';
1.325 albertel 3102: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3103: $currentstring .= $token->[2];
3104: } elsif ($target eq 'tex') {
1.136 sakharuk 3105: $currentstring .= '\end{verbatim}';
1.319 albertel 3106: &Apache::lonxml::enable_LaTeX_substitutions();
1.122 albertel 3107: }
3108: return $currentstring;
3109: }
3110:
3111: #-- <insert>
3112: sub start_insert {
3113: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3114: my $currentstring = '';
1.325 albertel 3115: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3116: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
3117: $currentstring .= '<b>'.$display.'</b>';;
3118: }
3119: return $currentstring;
3120: }
3121:
3122: sub end_insert {
3123: my ($target,$token) = @_;
3124: my $currentstring = '';
1.325 albertel 3125: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3126: $currentstring .= '';
3127: }
3128: return $currentstring;
3129: }
3130:
3131: #-- <externallink>
3132: sub start_externallink {
3133: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
3134: my $currentstring = '';
1.325 albertel 3135: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3136: my $display = &Apache::lonxml::get_param('display',$parstack,$safeeval,undef,1);
3137: $currentstring .= '<b>'.$display.'</b>';;
3138: }
3139: return $currentstring;
3140: }
3141:
3142: sub end_externallink {
3143: my ($target,$token) = @_;
3144: my $currentstring = '';
1.325 albertel 3145: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3146: $currentstring .= '';
3147: }
3148: return $currentstring;
3149: }
3150:
3151: #-- <blankspace heigth="">
3152: sub start_blankspace {
3153: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.279 foxr 3154: my $currentstring = &end_p(); # closes off any unclosed <p>
1.122 albertel 3155: if ($target eq 'tex') {
3156: my $howmuch = &Apache::lonxml::get_param('heigth',$parstack,$safeeval,undef,1);
3157: $currentstring .= '\vskip '.$howmuch.' ';
3158: }
3159: return $currentstring;
3160: }
3161:
3162: sub end_blankspace {
3163: my ($target,$token) = @_;
3164: my $currentstring = '';
3165: if ($target eq 'tex') {
3166: $currentstring .= '';
3167: }
3168: return $currentstring;
3169: }
3170:
1.181 sakharuk 3171: #-- <abbr> tag (end tag required)
1.122 albertel 3172: sub start_abbr {
3173: my ($target,$token) = @_;
3174: my $currentstring = '';
1.325 albertel 3175: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3176: $currentstring = $token->[4];
3177: }
3178: return $currentstring;
3179: }
3180:
3181: sub end_abbr {
3182: my ($target,$token) = @_;
3183: my $currentstring = '';
1.325 albertel 3184: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3185: $currentstring = $token->[2];
3186: }
3187: return $currentstring;
3188: }
3189:
1.181 sakharuk 3190: #-- <acronym> tag (end tag required)
1.122 albertel 3191: sub start_acronym {
3192: my ($target,$token) = @_;
3193: my $currentstring = '';
1.325 albertel 3194: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3195: $currentstring = $token->[4];
3196: }
3197: return $currentstring;
3198: }
3199:
3200: sub end_acronym {
3201: my ($target,$token) = @_;
3202: my $currentstring = '';
1.325 albertel 3203: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3204: $currentstring = $token->[2];
3205: }
3206: return $currentstring;
3207: }
3208:
1.181 sakharuk 3209: #-- <area> tag (end tag forbidden)
1.122 albertel 3210: sub start_area {
3211: my ($target,$token) = @_;
3212: my $currentstring = '';
1.325 albertel 3213: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3214: $currentstring = $token->[4];
3215: }
3216: return $currentstring;
3217: }
3218:
3219: sub end_area {
3220: my ($target,$token) = @_;
3221: my $currentstring = '';
1.325 albertel 3222: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3223: $currentstring = $token->[2];
3224: }
3225: return $currentstring;
3226: }
3227:
1.181 sakharuk 3228: #-- <base> tag (end tag forbidden)
1.122 albertel 3229: sub start_base {
3230: my ($target,$token) = @_;
3231: my $currentstring = '';
1.325 albertel 3232: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3233: $currentstring = $token->[4];
1.161 sakharuk 3234: }
1.122 albertel 3235: return $currentstring;
3236: }
3237:
3238: sub end_base {
3239: my ($target,$token) = @_;
3240: my $currentstring = '';
1.325 albertel 3241: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3242: $currentstring = $token->[2];
3243: }
3244: return $currentstring;
3245: }
3246:
1.181 sakharuk 3247: #-- <bdo> tag (end tag required)
1.122 albertel 3248: sub start_bdo {
3249: my ($target,$token) = @_;
3250: my $currentstring = '';
1.325 albertel 3251: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3252: $currentstring = $token->[4];
3253: }
3254: return $currentstring;
3255: }
3256:
3257: sub end_bdo {
3258: my ($target,$token) = @_;
3259: my $currentstring = '';
1.325 albertel 3260: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3261: $currentstring = $token->[2];
3262: }
3263: return $currentstring;
3264: }
3265:
1.181 sakharuk 3266: #-- <bgsound> tag (end tag optional)
1.122 albertel 3267: sub start_bgsound {
3268: my ($target,$token) = @_;
3269: my $currentstring = '';
1.325 albertel 3270: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3271: $currentstring = $token->[4];
3272: }
3273: return $currentstring;
3274: }
3275:
3276: sub end_bgsound {
3277: my ($target,$token) = @_;
3278: my $currentstring = '';
1.325 albertel 3279: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3280: $currentstring = $token->[2];
3281: }
3282: return $currentstring;
3283: }
3284:
1.181 sakharuk 3285: #-- <blink> tag (end tag required)
1.122 albertel 3286: sub start_blink {
3287: my ($target,$token) = @_;
3288: my $currentstring = '';
1.325 albertel 3289: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3290: $currentstring = $token->[4];
3291: }
3292: return $currentstring;
3293: }
3294:
3295: sub end_blink {
3296: my ($target,$token) = @_;
3297: my $currentstring = '';
1.325 albertel 3298: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3299: $currentstring = $token->[2];
3300: }
3301: return $currentstring;
3302: }
3303:
1.181 sakharuk 3304: #-- <blockquote> tag (end tag required)
1.122 albertel 3305: sub start_blockquote {
3306: my ($target,$token) = @_;
1.279 foxr 3307: my $currentstring = &end_p(); # Close any unclosed <p>
1.325 albertel 3308: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 3309: $currentstring .= $token->[4];
1.122 albertel 3310: }
1.339 foxr 3311: if ($target eq 'tex') {
3312: $currentstring .= '\begin{quote}';
3313: }
1.122 albertel 3314: return $currentstring;
3315: }
3316:
3317: sub end_blockquote {
3318: my ($target,$token) = @_;
3319: my $currentstring = '';
1.325 albertel 3320: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3321: $currentstring = $token->[2];
3322: }
1.339 foxr 3323: if ($target eq 'tex') {
3324: $currentstring = '\end{quote}';
3325: }
1.122 albertel 3326: return $currentstring;
3327: }
3328:
1.181 sakharuk 3329: #-- <button> tag (end tag required)
1.122 albertel 3330: sub start_button {
3331: my ($target,$token) = @_;
3332: my $currentstring = '';
1.325 albertel 3333: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3334: $currentstring = $token->[4];
3335: }
3336: return $currentstring;
3337: }
3338:
3339: sub end_button {
3340: my ($target,$token) = @_;
3341: my $currentstring = '';
1.325 albertel 3342: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3343: $currentstring = $token->[2];
3344: }
3345: return $currentstring;
3346: }
3347:
1.181 sakharuk 3348: #-- <caption> tag (end tag required)
1.122 albertel 3349: sub start_caption {
3350: my ($target,$token) = @_;
3351: my $currentstring = '';
1.325 albertel 3352: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3353: $currentstring = $token->[4];
3354: }
3355: return $currentstring;
3356: }
3357:
3358: sub end_caption {
3359: my ($target,$token) = @_;
3360: my $currentstring = '';
1.325 albertel 3361: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3362: $currentstring = $token->[2];
3363: }
3364: return $currentstring;
3365: }
3366:
1.181 sakharuk 3367: #-- <col> tag (end tag forbdden)
1.122 albertel 3368: sub start_col {
3369: my ($target,$token) = @_;
3370: my $currentstring = '';
1.325 albertel 3371: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3372: $currentstring = $token->[4];
3373: }
3374: return $currentstring;
3375: }
3376:
3377: sub end_col {
3378: my ($target,$token) = @_;
3379: my $currentstring = '';
1.325 albertel 3380: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3381: $currentstring = $token->[2];
3382: }
3383: return $currentstring;
3384: }
3385:
1.430 foxr 3386: #-- <colgroup tag (end tag optional)
1.122 albertel 3387: sub start_colgroup {
1.430 foxr 3388: my ($target,$token,$tagstack, $parstack, $parser, $safeeval, $style) = @_;
1.122 albertel 3389: my $currentstring = '';
1.325 albertel 3390: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3391: $currentstring = $token->[4];
3392: }
1.430 foxr 3393: if ($target eq 'tex') {
3394: # TODO: Ensure this tag is in a table:
3395:
3396: # Fetch the attributes and build the hash for the
3397: # call to define_colgroup.
3398:
3399: my $span = &Apache::lonxml::get_param('span', $parstack, $safeeval);
3400: my $halign = &Apache::lonxml::get_param('halign', $parstack, $safeeval);
3401:
3402: my %colgroup_params;
3403: if ($span ne '') {
3404: $colgroup_params{'span'} = $span;
3405: }
3406: if ($halign ne '') {
3407: $colgroup_params{'halign'} = $halign;
3408: }
3409:
3410: my $table = $Apache::londefdef::table[-1];
3411: $table->define_colgroup(\%colgroup_params);
3412:
3413: }
1.122 albertel 3414: return $currentstring;
3415: }
3416:
3417: sub end_colgroup {
3418: my ($target,$token) = @_;
3419: my $currentstring = '';
1.325 albertel 3420: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3421: $currentstring = $token->[2];
3422: }
3423: return $currentstring;
3424: }
3425:
1.416 faziophi 3426:
1.181 sakharuk 3427: #-- <del> tag (end tag required)
1.122 albertel 3428: sub start_del {
3429: my ($target,$token) = @_;
3430: my $currentstring = '';
1.325 albertel 3431: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3432: $currentstring = $token->[4];
1.416 faziophi 3433: } elsif ($target eq 'tex') {
3434: &disable_para();
3435: $currentstring .= '\st{';
1.122 albertel 3436: }
3437: return $currentstring;
3438: }
3439:
3440: sub end_del {
3441: my ($target,$token) = @_;
3442: my $currentstring = '';
1.325 albertel 3443: if ($target eq 'web' || $target eq 'webgrade') {
1.416 faziophi 3444: $currentstring = $token->[2];
3445: } elsif ($target eq 'tex') {
3446: &enable_para();
3447: $currentstring = '}';
1.122 albertel 3448: }
3449: return $currentstring;
3450: }
3451:
1.181 sakharuk 3452: #-- <fieldset> tag (end tag required)
1.122 albertel 3453: sub start_fieldset {
3454: my ($target,$token) = @_;
3455: my $currentstring = '';
1.325 albertel 3456: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3457: $currentstring = $token->[4];
3458: }
3459: return $currentstring;
3460: }
3461:
3462: sub end_fieldset {
3463: my ($target,$token) = @_;
3464: my $currentstring = '';
1.325 albertel 3465: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3466: $currentstring = $token->[2];
3467: }
3468: return $currentstring;
3469: }
3470:
1.181 sakharuk 3471: #-- <frame> tag (end tag forbidden)
1.122 albertel 3472: sub start_frame {
3473: my ($target,$token) = @_;
3474: my $currentstring = '';
1.325 albertel 3475: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3476: $currentstring = $token->[4];
3477: }
3478: return $currentstring;
3479: }
3480:
3481: sub end_frame {
3482: my ($target,$token) = @_;
3483: my $currentstring = '';
1.325 albertel 3484: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3485: $currentstring = $token->[2];
3486: }
3487: return $currentstring;
3488: }
3489:
1.181 sakharuk 3490: #-- <iframe> tag (end tag required)
1.122 albertel 3491: sub start_iframe {
3492: my ($target,$token) = @_;
3493: my $currentstring = '';
1.325 albertel 3494: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3495: $currentstring = $token->[4];
3496: }
3497: return $currentstring;
3498: }
3499:
3500: sub end_iframe {
3501: my ($target,$token) = @_;
3502: my $currentstring = '';
1.325 albertel 3503: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3504: $currentstring = $token->[2];
3505: }
3506: return $currentstring;
3507: }
3508:
1.181 sakharuk 3509: #-- <ins> tag (end tag required)
1.122 albertel 3510: sub start_ins {
3511: my ($target,$token) = @_;
3512: my $currentstring = '';
1.325 albertel 3513: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3514: $currentstring = $token->[4];
3515: }
3516: return $currentstring;
3517: }
3518:
3519: sub end_ins {
3520: my ($target,$token) = @_;
3521: my $currentstring = '';
1.325 albertel 3522: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3523: $currentstring = $token->[2];
3524: }
3525: return $currentstring;
3526: }
3527:
1.181 sakharuk 3528: #-- <isindex> tag (end tag forbidden)
1.122 albertel 3529: sub start_isindex {
3530: my ($target,$token) = @_;
3531: my $currentstring = '';
1.325 albertel 3532: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3533: $currentstring = $token->[4];
3534: }
3535: return $currentstring;
3536: }
3537:
3538: sub end_isindex {
3539: my ($target,$token) = @_;
3540: my $currentstring = '';
1.325 albertel 3541: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3542: $currentstring = $token->[2];
3543: }
3544: return $currentstring;
3545: }
3546:
1.181 sakharuk 3547: #-- <keygen> tag (end tag forbidden)
1.122 albertel 3548: sub start_keygen {
3549: my ($target,$token) = @_;
3550: my $currentstring = '';
1.325 albertel 3551: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3552: $currentstring = $token->[4];
3553: }
3554: return $currentstring;
3555: }
3556:
3557: sub end_keygen {
3558: my ($target,$token) = @_;
3559: my $currentstring = '';
1.325 albertel 3560: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3561: $currentstring = $token->[2];
3562: }
3563: return $currentstring;
3564: }
3565:
3566: #-- <label> tag
3567: sub start_label {
3568: my ($target,$token) = @_;
3569: my $currentstring = '';
1.325 albertel 3570: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3571: $currentstring = $token->[4];
3572: }
3573: return $currentstring;
3574: }
3575:
3576: sub end_label {
3577: my ($target,$token) = @_;
3578: my $currentstring = '';
1.325 albertel 3579: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3580: $currentstring = $token->[2];
3581: }
3582: return $currentstring;
3583: }
3584:
1.181 sakharuk 3585: #-- <layer> tag (end tag required)
1.122 albertel 3586: sub start_layer {
3587: my ($target,$token) = @_;
3588: my $currentstring = '';
1.325 albertel 3589: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3590: $currentstring = $token->[4];
3591: }
3592: return $currentstring;
3593: }
3594:
3595: sub end_layer {
3596: my ($target,$token) = @_;
3597: my $currentstring = '';
1.325 albertel 3598: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3599: $currentstring = $token->[2];
3600: }
3601: return $currentstring;
3602: }
3603:
1.181 sakharuk 3604: #-- <legend> tag (end tag required)
1.122 albertel 3605: sub start_legend {
3606: my ($target,$token) = @_;
3607: my $currentstring = '';
1.325 albertel 3608: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3609: $currentstring = $token->[4];
3610: }
3611: return $currentstring;
3612: }
3613:
3614: sub end_legend {
3615: my ($target,$token) = @_;
3616: my $currentstring = '';
1.325 albertel 3617: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3618: $currentstring = $token->[2];
3619: }
3620: return $currentstring;
3621: }
3622:
1.181 sakharuk 3623: #-- <link> tag (end tag forbidden)
1.122 albertel 3624: sub start_link {
1.292 albertel 3625: my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
1.122 albertel 3626: my $currentstring = '';
1.324 albertel 3627: if ($target eq 'web' || $target eq 'webgrade') {
1.291 albertel 3628: my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval,
3629: undef,1);
3630: &Apache::lonxml::extlink($href);
1.122 albertel 3631: $currentstring = $token->[4];
3632: }
3633: return $currentstring;
3634: }
3635:
3636: sub end_link {
3637: my ($target,$token) = @_;
3638: my $currentstring = '';
1.325 albertel 3639: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3640: $currentstring = $token->[2];
3641: }
3642: return $currentstring;
3643: }
3644:
1.181 sakharuk 3645: #-- <marquee> tag (end tag optional)
1.122 albertel 3646: sub start_marquee {
3647: my ($target,$token) = @_;
3648: my $currentstring = '';
1.325 albertel 3649: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3650: $currentstring = $token->[4];
3651: }
3652: return $currentstring;
3653: }
3654:
3655: sub end_marquee {
3656: my ($target,$token) = @_;
3657: my $currentstring = '';
1.325 albertel 3658: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3659: $currentstring = $token->[2];
3660: }
3661: return $currentstring;
3662: }
3663:
1.179 sakharuk 3664: #-- <multicol> tag (end tag required)
3665: sub start_multicol {
1.122 albertel 3666: my ($target,$token) = @_;
1.279 foxr 3667: my $currentstring = &end_p(); # Close any pending <p>
1.325 albertel 3668: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 3669: $currentstring .= $token->[4];
1.122 albertel 3670: }
3671: return $currentstring;
3672: }
3673:
1.179 sakharuk 3674: sub end_multicol {
1.122 albertel 3675: my ($target,$token) = @_;
3676: my $currentstring = '';
1.325 albertel 3677: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3678: $currentstring = $token->[2];
3679: }
3680: return $currentstring;
3681: }
3682:
1.179 sakharuk 3683: #-- <nobr> tag (end tag required)
1.122 albertel 3684: sub start_nobr {
3685: my ($target,$token) = @_;
3686: my $currentstring = '';
1.325 albertel 3687: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3688: $currentstring = $token->[4];
1.179 sakharuk 3689: } elsif ($target eq 'tex') {
3690: $currentstring='\mbox{';
3691: }
1.122 albertel 3692: return $currentstring;
3693: }
3694:
3695: sub end_nobr {
3696: my ($target,$token) = @_;
3697: my $currentstring = '';
1.325 albertel 3698: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3699: $currentstring = $token->[2];
1.179 sakharuk 3700: } elsif ($target eq 'tex') {
3701: $currentstring='}';
3702: }
1.122 albertel 3703: return $currentstring;
3704: }
3705:
1.179 sakharuk 3706: #-- <noembed> tag (end tag required)
1.122 albertel 3707: sub start_noembed {
3708: my ($target,$token) = @_;
3709: my $currentstring = '';
1.325 albertel 3710: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3711: $currentstring = $token->[4];
3712: }
3713: return $currentstring;
3714: }
3715:
3716: sub end_noembed {
3717: my ($target,$token) = @_;
3718: my $currentstring = '';
1.325 albertel 3719: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3720: $currentstring = $token->[2];
3721: }
3722: return $currentstring;
3723: }
3724:
1.179 sakharuk 3725: #-- <noframes> tag (end tag required)
1.122 albertel 3726: sub start_noframes {
3727: my ($target,$token) = @_;
3728: my $currentstring = '';
1.325 albertel 3729: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3730: $currentstring = $token->[4];
3731: }
3732: return $currentstring;
3733: }
3734:
3735: sub end_noframes {
3736: my ($target,$token) = @_;
3737: my $currentstring = '';
1.325 albertel 3738: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3739: $currentstring = $token->[2];
3740: }
3741: return $currentstring;
3742: }
3743:
1.179 sakharuk 3744: #-- <nolayer> tag (end tag required)
1.122 albertel 3745: sub start_nolayer {
3746: my ($target,$token) = @_;
3747: my $currentstring = '';
1.325 albertel 3748: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3749: $currentstring = $token->[4];
3750: }
3751: return $currentstring;
3752: }
3753:
3754: sub end_nolayer {
3755: my ($target,$token) = @_;
3756: my $currentstring = '';
1.325 albertel 3757: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3758: $currentstring = $token->[2];
3759: }
3760: return $currentstring;
3761: }
3762:
1.179 sakharuk 3763: #-- <noscript> tag (end tag required)
1.122 albertel 3764: sub start_noscript {
3765: my ($target,$token) = @_;
3766: my $currentstring = '';
1.325 albertel 3767: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3768: $currentstring = $token->[4];
3769: }
3770: return $currentstring;
3771: }
3772:
3773: sub end_noscript {
3774: my ($target,$token) = @_;
3775: my $currentstring = '';
1.325 albertel 3776: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3777: $currentstring = $token->[2];
3778: }
3779: return $currentstring;
3780: }
3781:
1.179 sakharuk 3782: #-- <object> tag (end tag required)
1.122 albertel 3783: sub start_object {
3784: my ($target,$token) = @_;
3785: my $currentstring = '';
1.325 albertel 3786: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3787: $currentstring = $token->[4];
3788: }
3789: return $currentstring;
3790: }
3791:
3792: sub end_object {
3793: my ($target,$token) = @_;
3794: my $currentstring = '';
1.325 albertel 3795: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3796: $currentstring = $token->[2];
3797: }
3798: return $currentstring;
3799: }
3800:
1.179 sakharuk 3801: #-- <optgroup> tag (end tag required)
1.122 albertel 3802: sub start_optgroup {
3803: my ($target,$token) = @_;
3804: my $currentstring = '';
1.325 albertel 3805: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3806: $currentstring = $token->[4];
3807: }
3808: return $currentstring;
3809: }
3810:
3811: sub end_optgroup {
3812: my ($target,$token) = @_;
3813: my $currentstring = '';
1.325 albertel 3814: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3815: $currentstring = $token->[2];
3816: }
3817: return $currentstring;
3818: }
3819:
1.179 sakharuk 3820: #-- <samp> tag (end tag required)
1.122 albertel 3821: sub start_samp {
3822: my ($target,$token) = @_;
3823: my $currentstring = '';
1.325 albertel 3824: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3825: $currentstring = $token->[4];
1.179 sakharuk 3826: } elsif ($target eq 'tex') {
3827: $currentstring='\texttt{';
3828: }
1.122 albertel 3829: return $currentstring;
3830: }
3831:
3832: sub end_samp {
3833: my ($target,$token) = @_;
3834: my $currentstring = '';
1.325 albertel 3835: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3836: $currentstring = $token->[2];
1.179 sakharuk 3837: } elsif ($target eq 'tex') {
3838: $currentstring='}';
3839: }
1.122 albertel 3840: return $currentstring;
3841: }
3842:
3843: #-- <server> tag
3844: sub start_server {
3845: my ($target,$token) = @_;
3846: my $currentstring = '';
1.325 albertel 3847: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3848: $currentstring = $token->[4];
3849: }
3850: return $currentstring;
3851: }
3852:
3853: sub end_server {
3854: my ($target,$token) = @_;
3855: my $currentstring = '';
1.325 albertel 3856: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3857: $currentstring = $token->[2];
3858: }
3859: return $currentstring;
3860: }
3861:
1.179 sakharuk 3862: #-- <spacer> tag (end tag forbidden)
1.122 albertel 3863: sub start_spacer {
3864: my ($target,$token) = @_;
1.279 foxr 3865: my $currentstring = &end_p(); # Close off any open <p> tag.
1.325 albertel 3866: if ($target eq 'web' || $target eq 'webgrade') {
1.277 foxr 3867: $currentstring .= $token->[4];
1.122 albertel 3868: }
3869: return $currentstring;
3870: }
3871:
3872: sub end_spacer {
3873: my ($target,$token) = @_;
3874: my $currentstring = '';
1.325 albertel 3875: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3876: $currentstring = $token->[2];
3877: }
3878: return $currentstring;
3879: }
3880:
1.179 sakharuk 3881: #-- <span> tag (end tag required)
1.122 albertel 3882: sub start_span {
3883: my ($target,$token) = @_;
3884: my $currentstring = '';
1.325 albertel 3885: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3886: $currentstring = $token->[4];
3887: }
3888: return $currentstring;
3889: }
3890:
3891: sub end_span {
3892: my ($target,$token) = @_;
3893: my $currentstring = '';
1.325 albertel 3894: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3895: $currentstring = $token->[2];
3896: }
3897: return $currentstring;
3898: }
3899:
1.179 sakharuk 3900: #-- <tbody> tag (end tag optional)
1.122 albertel 3901: sub start_tbody {
3902: my ($target,$token) = @_;
3903: my $currentstring = '';
1.325 albertel 3904: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3905: $currentstring = $token->[4];
3906: }
1.430 foxr 3907: if ($target eq 'tex') {
3908: # TODO: Ensure this tag is within a table:
3909:
3910: my $table = $Apache::londefdef::table[-1];
3911: $table->start_body();
3912: }
1.122 albertel 3913: return $currentstring;
3914: }
3915:
3916: sub end_tbody {
3917: my ($target,$token) = @_;
3918: my $currentstring = '';
1.325 albertel 3919: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3920: $currentstring = $token->[2];
3921: }
1.430 foxr 3922: if($target eq 'tex') {
3923: # TODO: Ensure this tag is within a table:
3924:
3925: my $table = $Apache::londefdef::table[-1];
3926: $table->end_body();
3927: }
1.122 albertel 3928: return $currentstring;
3929: }
3930:
1.166 sakharuk 3931: #-- <tfoot> tag (end tag optional)
1.122 albertel 3932: sub start_tfoot {
3933: my ($target,$token) = @_;
3934: my $currentstring = '';
1.325 albertel 3935: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3936: $currentstring = $token->[4];
3937: }
1.430 foxr 3938: if ($target eq 'tex') {
3939: # TODO: ensure this is within a table tag.
3940: my $table = $Apache::londefdef::table[-1];
3941: $table->start_foot();
3942: }
1.122 albertel 3943: return $currentstring;
3944: }
3945:
3946: sub end_tfoot {
3947: my ($target,$token) = @_;
3948: my $currentstring = '';
1.325 albertel 3949: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3950: $currentstring = $token->[2];
3951: }
1.430 foxr 3952: if ($target eq 'tex') {
3953: # TODO: Ensure this is in side a table
3954: my $table = $Apache::londefdef::table[-1];
3955: $table->end_foot();
3956: }
1.122 albertel 3957: return $currentstring;
3958: }
3959:
1.166 sakharuk 3960: #-- <thead> tag (end tag optional)
1.122 albertel 3961: sub start_thead {
3962: my ($target,$token) = @_;
3963: my $currentstring = '';
1.325 albertel 3964: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3965: $currentstring = $token->[4];
3966: }
1.430 foxr 3967: if ($target eq 'tex') {
3968: # Assume we're in a table... TODO: Verify that and ignore tag if not.
3969: my $table = $Apache::londefdef::table[-1];
3970: $table->start_head();
3971: }
1.122 albertel 3972: return $currentstring;
3973: }
1.10 www 3974:
1.122 albertel 3975: sub end_thead {
3976: my ($target,$token) = @_;
3977: my $currentstring = '';
1.325 albertel 3978: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3979: $currentstring = $token->[2];
3980: }
1.430 foxr 3981: if ($target eq 'tex') {
3982: # TODO: Verify we are in a table and ignore tag if not.
3983:
3984: my $table = $Apache::londefdef::table[-1];
3985: $table->end_head();
3986: }
1.122 albertel 3987: return $currentstring;
3988: }
1.119 www 3989:
1.122 albertel 3990: #-- <var> tag
3991: sub start_var {
1.44 sakharuk 3992: my ($target,$token) = @_;
3993: my $currentstring = '';
1.325 albertel 3994: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 3995: $currentstring = $token->[4];
1.163 sakharuk 3996: } elsif ($target eq 'tex') {
3997: $currentstring = '\textit{';
3998: }
1.44 sakharuk 3999: return $currentstring;
4000: }
1.10 www 4001:
1.122 albertel 4002: sub end_var {
4003: my ($target,$token) = @_;
1.44 sakharuk 4004: my $currentstring = '';
1.325 albertel 4005: if ($target eq 'web' || $target eq 'webgrade') {
1.163 sakharuk 4006: $currentstring = $token->[2];
4007: } elsif ($target eq 'tex') {
4008: $currentstring = '}';
1.44 sakharuk 4009: }
4010: return $currentstring;
4011: }
1.119 www 4012:
1.163 sakharuk 4013: #-- <wbr> tag (end tag forbidden)
1.122 albertel 4014: sub start_wbr {
4015: my ($target,$token) = @_;
4016: my $currentstring = '';
1.325 albertel 4017: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4018: $currentstring = $token->[4];
4019: }
4020: return $currentstring;
1.98 albertel 4021: }
4022:
1.122 albertel 4023: sub end_wbr {
4024: my ($target,$token) = @_;
4025: my $currentstring = '';
1.325 albertel 4026: if ($target eq 'web' || $target eq 'webgrade') {
1.122 albertel 4027: $currentstring = $token->[2];
4028: }
4029: return $currentstring;
1.98 albertel 4030: }
1.134 sakharuk 4031:
4032: #-- <hideweboutput> tag
4033: sub start_hideweboutput {
4034: my ($target,$token) = @_;
1.325 albertel 4035: if ($target eq 'web' || $target eq 'webgrade') {
1.134 sakharuk 4036: &Apache::lonxml::startredirection();
4037: }
4038: return '';
4039: }
4040:
4041: sub end_hideweboutput {
4042: my ($target,$token) = @_;
4043: my $currentstring = '';
1.325 albertel 4044: if ($target eq 'web' || $target eq 'webgrade') {
1.134 sakharuk 4045: $currentstring = &Apache::lonxml::endredirection();
4046: }
4047: return '';
4048: }
4049:
1.94 sakharuk 4050:
4051: sub image_replication {
4052: my $src = shift;
1.187 albertel 4053: if (not -e $src) { &Apache::lonnet::repcopy($src); }
4054: #replicates eps or ps
4055: my $epssrc = my $pssrc = $src;
4056: $epssrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
4057: $pssrc =~ s/\.(gif|jpg|jpeg|png)$/.ps/i;
4058: if (not -e $epssrc && not -e $pssrc) {
4059: my $result=&Apache::lonnet::repcopy($epssrc);
1.264 raeburn 4060: if ($result ne 'ok') { &Apache::lonnet::repcopy($pssrc); }
1.94 sakharuk 4061: }
4062: return '';
1.195 sakharuk 4063: }
1.397 jms 4064:
4065:
4066:
1.275 foxr 4067: sub resize_image {
4068: my ($height_param, $width_param, $scaling,
4069: $parstack, $safeeval, $depth, $cis) = @_;
4070:
4071: # First apply the scaling...
1.271 foxr 4072:
1.275 foxr 4073: $height_param = $height_param * $scaling;
4074: $width_param = $width_param * $scaling;
1.261 foxr 4075:
1.197 sakharuk 4076: #do we have any specified LaTeX size of the picture?
1.261 foxr 4077: my $toget='TeXwidth';
4078: if ($cis) {
4079: $toget=lc($toget);
4080: }
1.256 albertel 4081: my $TeXwidth = &Apache::lonxml::get_param($toget,$parstack,
4082: $safeeval,$depth,$cis);
4083: $toget='TeXheight'; if ($cis) { $toget=lc($toget); }
4084: my $TeXheight = &Apache::lonxml::get_param($toget,$parstack,
4085: $safeeval,$depth,$cis);
1.197 sakharuk 4086: #do we have any specified web size of the picture?
4087: my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
1.256 albertel 4088: $depth,1);
4089: if ($TeXwidth) {
1.252 matthew 4090: my $old_width_param=$width_param;
1.197 sakharuk 4091: if ($TeXwidth=~/(\d+)\s*\%/) {
1.267 albertel 4092: $width_param = $1*$env{'form.textwidth'}/100;
1.197 sakharuk 4093: } else {
4094: $width_param = $TeXwidth;
4095: }
1.266 albertel 4096: if ($TeXheight) {
4097: $height_param = $TeXheight;
4098: } elsif ($old_width_param) {
4099: $height_param=$TeXwidth/$old_width_param*$height_param;
4100: }
1.256 albertel 4101: } elsif ($TeXheight) {
1.248 foxr 4102: $height_param = $TeXheight;
1.266 albertel 4103: if ($height_param) {
4104: $width_param = $TeXheight/$height_param*$width_param;
4105: }
1.256 albertel 4106: } elsif ($width) {
1.252 matthew 4107: my $old_width_param=$width_param;
1.256 albertel 4108: $width_param = $width*$scaling;
1.266 albertel 4109: if ($old_width_param) {
4110: $height_param=$width_param/$old_width_param*$height_param;
4111: }
1.252 matthew 4112: }
1.267 albertel 4113: if ($width_param > $env{'form.textwidth'}) {
1.252 matthew 4114: my $old_width_param=$width_param;
1.267 albertel 4115: $width_param =0.95*$env{'form.textwidth'};
1.266 albertel 4116: if ($old_width_param) {
4117: $height_param=$width_param/$old_width_param*$height_param;
4118: }
1.197 sakharuk 4119: }
1.275 foxr 4120:
4121: return ($height_param, $width_param);
4122: }
4123:
4124: sub image_size {
4125: my ($src,$scaling,$parstack,$safeeval,$depth,$cis)=@_;
4126:
4127: #size of image from gif/jpg/jpeg/png
4128: my $ressrc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
4129: if (-e $ressrc) {
4130: $src = $ressrc;
4131: }
4132: my $image = Image::Magick->new;
4133: my $current_figure = $image->Read($src);
4134: my $width_param = $image->Get('width');
4135: my $height_param = $image->Get('height');
4136: &Apache::lonxml::debug("Image magick says: $src : Height = $height_param width = $width_param");
4137: undef($image);
4138:
4139: ($height_param, $width_param) = &resize_image($height_param, $width_param,
4140: $scaling, $parstack, $safeeval,
4141: $depth, $cis);
4142:
1.248 foxr 4143: return ($height_param, $width_param);
4144: }
4145:
4146: sub image_width {
4147: my ($height, $width) = &image_size(@_);
4148: return $width;
4149: }
4150: # Not yet 100% sure this is correct in all circumstances..
4151: # due to my uncertainty about mods to image_size.
4152: #
4153: sub image_height {
4154: my ($height, $width) = &image_size(@_);
4155: return $height;
1.197 sakharuk 4156: }
4157:
1.256 albertel 4158: sub get_eps_image {
4159: my ($src)=@_;
1.261 foxr 4160: my $orig_src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1], $src);
1.285 foxr 4161:
4162: # In order to prevent the substitution of the alt text, we need to
4163: # be sure the orig_src file is on system now so:
4164:
4165: if (! -e $orig_src) {
4166: &Apache::lonnet::repcopy($orig_src); # Failure is not completely fatal.
4167: }
1.275 foxr 4168: &Apache::lonxml::debug("get_eps_image: Original image: $orig_src");
1.390 foxr 4169: my ($spath, $sname, $sext) = &fileparse($src, qr/\.(bmp|gif|png|jpg|jpeg)/i);
4170: $src=~s/\.(bmp|gif|png|jpg|jpeg)$/\.eps/i;
1.256 albertel 4171: $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
1.275 foxr 4172: &Apache::lonxml::debug("Filelocation gives: $src");
1.256 albertel 4173: if (! -e $src) {
1.261 foxr 4174: &Apache::lonxml::debug("$src does not exist");
1.264 raeburn 4175: if (&Apache::lonnet::repcopy($src) ne 'ok' ) {
1.261 foxr 4176: &Apache::lonxml::debug("Repcopy of $src failed (1)");
1.256 albertel 4177: #if replication failed try to find ps file
4178: $src=~s/\.eps$/\.ps/;
1.261 foxr 4179: &Apache::lonxml::debug("Now looking for $src");
1.270 foxr 4180: #if no ps file try to replicate it.
4181: my $didrepcopy = &Apache::lonnet::repcopy($src);
4182: &Apache::lonxml::debug("repcopy of $src ... $didrepcopy");
4183: if ( (not -e $src) ||
4184: ($didrepcopy ne 'ok')) {
1.261 foxr 4185: &Apache::lonxml::debug("Failed to find or replicate $src");
4186:
1.256 albertel 4187: #if replication failed try to produce eps file dynamically
4188: $src=~s/\.ps$/\.eps/;
1.424 raeburn 4189: if (open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat")) {
4190: my $newsrc=$orig_src;
4191: $newsrc =~ s|(.*)/res/|/home/httpd/html/res/|;
4192: &Apache::lonxml::debug("queueing $newsrc for dynamic eps production.");
4193: print FILE ("$newsrc\n");
4194: close(FILE);
4195: }
1.256 albertel 4196: $src=~s|/home/httpd/html/res|/home/httpd/prtspool|;
1.435 ! www 4197: $src=~s|/home/httpd/html/priv/[^/]+/([^/]*)/|/home/httpd/prtspool/$1/|;
1.283 albertel 4198: if ($sext ne "") { # Put the ext. back in to uniquify.
4199: $src =~ s/\.eps$/$sext.eps/;
4200: }
1.341 foxr 4201:
1.256 albertel 4202: }
1.343 foxr 4203:
1.256 albertel 4204: }
1.341 foxr 4205: } else {
4206: # If the postscript file has spaces in its name,
4207: # LaTeX will gratuitiously vomit. Therefore
4208: # queue such files for copy with " " replaced by "_".
4209: # printout.pm will know them by their .ps or .eps extensions.
4210: my $newsrc = $orig_src;
4211: $newsrc =~ s|(.*)/res/|/home/httpd/html/res/|;
4212: open(FILE,">>/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat");
1.343 foxr 4213: print FILE "$src\n";
1.341 foxr 4214: close FILE;
4215: $src=~s|/home/httpd/html/res|/home/httpd/prtspool|;
1.435 ! www 4216: $src=~s|/home/httpd/html/priv/[^/]+/([^/]*)/|/home/httpd/prtspool/$1/|;
1.256 albertel 4217: }
4218: my ($path,$file)=($src=~m|(.*)/([^/]*)$|);
1.344 albertel 4219: $path =~ s/ /\_/g;
1.343 foxr 4220: $file =~ s/ /\_/g;
1.261 foxr 4221: &Apache::lonxml::debug("get_eps_image returning: $path / $file<BR />");
1.256 albertel 4222: return ($path.'/',$file);
4223: }
4224:
1.195 sakharuk 4225: sub eps_generation {
4226: my ($src,$file,$width_param) = @_;
1.267 albertel 4227: my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.424 raeburn 4228: if (open(my $tmpfile,">>$filename")) {
4229: print $tmpfile "$src\n";
4230: close($tmpfile);
4231: }
1.195 sakharuk 4232: my $newsrc = $src;
1.390 foxr 4233: $newsrc =~ s/(\.bmp|\.gif|\.jpg|\.jpeg)$/\.eps/i;
1.345 albertel 4234: $newsrc=~s{/home/httpd/html/res}{};
1.435 ! www 4235: $newsrc=~s{/home/httpd/html/priv/[^/]+/($LONCAPA::username_re)/}{/$1/};
1.345 albertel 4236: $newsrc=~s{/\./}{/};
4237: $newsrc=~s{/([^/]+)\.(ps|eps)}{/};
4238: if ($newsrc=~m{/home/httpd/lonUsers/}) {
4239: $newsrc=~s{/home/httpd/lonUsers}{};
4240: $newsrc=~s{/($LONCAPA::domain_re)/./././}{/$1/};
1.213 sakharuk 4241: }
1.345 albertel 4242: if ($newsrc=~m{/userfiles/}) {
1.239 sakharuk 4243: return ' \graphicspath{{'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
4244: } else {
4245: return ' \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
4246: }
1.197 sakharuk 4247: }
4248:
4249: sub file_path {
4250: my $src=shift;
4251: my ($file,$path);
4252: if ($src =~ m!(.*)/([^/]*)$!) {
4253: $file = $2;
4254: $path = $1.'/';
4255: }
4256: return $file,$path;
1.126 sakharuk 4257: }
1.397 jms 4258:
4259:
1.126 sakharuk 4260: sub recalc {
4261: my $argument = shift;
4262: if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
1.132 sakharuk 4263: $argument=~/\s*(\d+\.?\d*)\s*(mm|cm|in|pc|pt)/;
1.126 sakharuk 4264: my $value=$1;
4265: my $units=$2;
4266: if ($units eq 'cm') {
4267: $value*=10;
4268: } elsif ($units eq 'in') {
4269: $value*=25.4;
4270: } elsif ($units eq 'pc') {
4271: $value*=(25.4*12/72.27);
4272: } elsif ($units eq 'pt') {
4273: $value*=(25.4/72.27);
4274: }
4275: return $value.' mm';
1.94 sakharuk 4276: }
1.184 sakharuk 4277:
4278: sub LATEX_length {
4279: my $garbage=shift;
1.206 sakharuk 4280: $garbage=~s/^\s+$//;
4281: $garbage=~s/^\s+(\S.*)/$1/;#space before
4282: $garbage=~s/(.*\S)\s+$/$1/;#space after
4283: $garbage=~s/(\s)+/$1/;#only one space
4284: $garbage=~s/(\\begin{([^\}]+)}|\\end{([^\}]+)})//g;#remove LaTeX \begin{...} and \end{...}
4285: $garbage=~s/(\$\_\{|\$\_|\$\^{|\$\^|\}\$)//g;#remove $_{,$_,$^{,$^,}$
4286: $garbage=~s/([^\\])\$/$1/g;#$
4287: $garbage=~s/(\\ensuremath\{\_\{|\\ensuremath\{\_|\\ensuremath\{\^{|\\ensuremath\{\^|\})//g;#remove \ensuremath{...}
4288: $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 4289: $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;
4290: $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;
4291: $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 4292: $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;
4293: $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;
4294: $garbage=~s/(\\hat{([^}]+)}|\\check{([^}]+)}|\\dot{([^}]+)}|\\breve{([^}]+)}|\\acute{([^}]+)}|\\ddot{([^}]+)}|\\grave{([^}]+)}|\\tilde{([^}]+)}|\\mathring{([^}]+)}|\\bar{([^}]+)}|\\vec{([^}]+)})/$1/g;
4295: #remove some other LaTeX command
4296: $garbage=~s|\\(\w+)\\|\\|g;
4297: $garbage=~s|\\(\w+)(\s*)|$2|g;
4298: $garbage=~s|\+|11|g;
1.184 sakharuk 4299: my $value=length($garbage);
4300: return $value;
4301: }
4302:
1.397 jms 4303:
1.353 foxr 4304: sub align_latex_image {
4305: my ($align, $latex_rendering, $image, $width, $height) = @_;
1.354 foxr 4306: my $currentstring; # The 1/2 wrapped image.
4307: my $closure; # The closure of the wrappage.
1.379 albertel 4308:
4309: # if it's none just return it back
4310: if ($latex_rendering eq 'none') {
4311: return ($image,'');
4312: }
4313:
1.353 foxr 4314: # If there's an alignment specification we need to honor it here.
4315: # For the horizontal alignments, we will also honor the
4316: # value of the latex specfication. The default is parbox,
4317: # and that's used for illegal values too.
4318: #
4319: # Even though we set a default alignment value, the user
4320: # could have given us an illegal value. In that case we
4321: # just use the default alignment of bottom..
1.415 foxr 4322: $currentstring = '';
1.353 foxr 4323: if ($align eq "top") {
1.354 foxr 4324: $currentstring .= '\raisebox{-'.$height.'mm}{'.$image;
4325: $closure = '}';
1.353 foxr 4326: } elsif (($align eq "center") || ($align eq "middle")) { # Being kind
4327: my $offset = $height/2;
1.354 foxr 4328: $currentstring .= '\raisebox{-'.$offset.'mm}{'.$image;
4329: $closure = '}';
1.353 foxr 4330: } elsif ($align eq "left") {
4331: if ($latex_rendering eq "parpic") {
1.354 foxr 4332: $currentstring .= '\parpic[l]{'.$image;
4333: $closure = '}';
1.353 foxr 4334: } elsif ($latex_rendering eq "parbox") {
1.354 foxr 4335: $currentstring .= '\begin{minipage}[l]{'.$width.'mm}'
4336: .$image;
4337: $closure = '\end{minipage}';
1.353 foxr 4338: } elsif ($latex_rendering eq "wrapfigure"
4339: || $latex_rendering ne 'none') { # wrapfig render
1.354 foxr 4340: $currentstring .=
1.353 foxr 4341: '\begin{wrapfigure}{l}{'.$width.'mm}'
1.354 foxr 4342: .'\scalebox{1.0}{'.$image;
4343: $closure = '}\end{wrapfigure}';
1.353 foxr 4344: }
4345: } elsif ($align eq "right") {
4346: if ($latex_rendering eq "parpic") {
1.354 foxr 4347: $currentstring .= '\parpic[r]{'.$image;
4348: $closure = '}';
1.353 foxr 4349: } elsif ($latex_rendering eq "parbox") {
1.354 foxr 4350: $currentstring .= '\begin{minipage}[r]{'.$width.'mm}'
4351: .$image;
4352: $closure = '\end{minipage}';
1.353 foxr 4353: } elsif ($latex_rendering eq "wrapfigure"
4354: || $latex_rendering ne 'none') { # wrapfig render
1.354 foxr 4355: $currentstring .=
1.353 foxr 4356: '\begin{wrapfigure}{r}{'.$width.'mm}'
1.354 foxr 4357: .'\scalebox{1.0}{'.$image;
4358: $closure = '}\end{wrapfigure}';
1.353 foxr 4359: }
4360: } else { # Bottom is also default.
4361: # $currentstring = '\raisebox{'.$height.'mm}{'.$image.'}';
1.354 foxr 4362: $currentstring .= "{$image";
4363: $closure = '}';
1.353 foxr 4364: }
1.354 foxr 4365: return ($currentstring, $closure);
1.353 foxr 4366: }
1.184 sakharuk 4367:
1.397 jms 4368:
1.287 foxr 4369: sub is_inside_of {
4370: my ($tagstack, $tag) = @_;
4371: my @stack = @$tagstack;
4372: for (my $i = ($#stack - 1); $i >= 0; $i--) {
4373: if ($stack[$i] eq $tag) {
4374: return 1;
4375: }
4376: }
4377: return 0;
4378: }
1.184 sakharuk 4379:
1.94 sakharuk 4380:
1.399 foxr 4381: #
4382: # This sub provides the typical LaTeX prefix matter for tex output:
4383: #
1.414 raeburn 4384: sub latex_header {
1.402 foxr 4385: my ($mode) = @_;
1.399 foxr 4386: my $currentstring = '';
4387:
4388: $currentstring .=
1.402 foxr 4389: "\n% &Apache::lonxml::londefdef \n" .
1.399 foxr 4390: '\documentclass[letterpaper,twoside]{article}\raggedbottom';
4391: if (($env{'form.latex_type'}=~'batchmode') ||
1.402 foxr 4392: (!$env{'request.role.adv'}) ||
4393: ($mode eq 'batchmode')) {$currentstring .='\batchmode';}
1.399 foxr 4394: $currentstring .= '\newcommand{\keephidden}[1]{}'.
4395: '\renewcommand{\deg}{$^{\circ}$}'.
4396: '\usepackage{multirow}'.
4397: '\usepackage{longtable}'.
4398: '\usepackage{textcomp}'.
4399: '\usepackage{makeidx}'.
4400: '\usepackage[dvips]{graphicx}'.
4401: '\usepackage{wrapfig}'.
4402: '\usepackage{picins}'.
4403: '\usepackage[T1]{fontenc}'."\n".
4404: '\usepackage{lmodern}'."\n".
4405: '\usepackage[postscript]{ucs}'."\n".
4406: '\usepackage[utf8x]{inputenc}'."\n".
4407: '\usepackage{pifont}' ."\n".
4408: '\usepackage{latexsym}'."\n".
4409: '\usepackage{epsfig}'.
4410: "\\usepackage{xtab}\n".
4411: "\\usepackage{tabularx}\n".
4412: "\\usepackage{booktabs}\n".
4413: "\\usepackage{array}\n".
4414: "\\usepackage{colortbl}\n".
4415: "\\usepackage{xcolor}\n".
4416: '\usepackage{calc}'.
4417: '\usepackage{amsmath}'.
1.416 faziophi 4418: '\usepackage{soul}',
1.399 foxr 4419: '\usepackage{amssymb}'.
4420: '\usepackage{amsfonts}'.
4421: '\usepackage{amsthm}'.
1.402 foxr 4422: '\usepackage{amscd}'
4423: .'\usepackage{picins}\usepackage{calc}'."\n". # From lonprintout.pm
4424: '\usepackage[T1]{fontenc}'."\n".
4425: '\usepackage{lmodern}'."\n".
4426: '\usepackage[postscript]{ucs}'."\n".
4427: '\usepackage[utf8x]{inputenc}'."\n".
4428: '\usepackage{pifont}' . "\n";
4429:
1.399 foxr 4430: if($env{'form.pdfFormFields'} eq 'yes') {
4431: $currentstring .= '\usepackage{hyperref}'.
4432: '\usepackage{eforms}'.
4433: '\usepackage{tabularx}';
4434: }
4435:
4436: $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}}'.
4437: '\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 4438: $currentstring .= '\begin{document}';
1.399 foxr 4439:
4440: return $currentstring;
4441:
4442: }
4443:
1.397 jms 4444: =pod
4445:
4446: =head1 NAME
4447:
4448: Apache::londefdef.pm
4449:
4450: =head1 SYNOPSIS
4451:
4452: Tags Default Definition Module
4453:
4454: This is part of the LearningOnline Network with CAPA project
4455: described at http://www.lon-capa.org.
4456:
4457:
4458: =head1 NOTABLE SUBROUTINES
4459:
4460: =over
4461:
4462: =item start_hideweboutput()
4463:
4464: =item end_hideweboutput()
4465:
4466: =item image_replication()
4467:
4468: =item resize_image()
4469:
4470: Get correct sizing parameter for an image given
4471: it's initial ht. and wid. This allows sizing of
4472: images that are generated on-the-fly (e.g. gnuplot)
4473: as well as serving as a utility for image_size.
4474:
4475: Parameter:
4476: height_param
4477: width_param - Initial picture dimensions.
4478: scaling - A scale factor.
4479: parstack, - the current stack of tag attributes
4480: from the xml parser
4481: safeeval, - pointer to the safespace
4482: depth, - from what level in the stack to look for attributes
4483: (assumes -1 if unspecified)
4484: cis - look for attrubutes case insensitively
4485: (assumes false)
4486:
4487: Returns:
4488: height, width - new dimensions.
4489:
4490: =item image_size()
4491:
4492: =item image_width()
4493:
4494: =item image_height()
4495:
4496: =item get_eps_image()
4497:
4498: =item eps_generation()
4499:
4500: =item file_path()
4501:
4502: =item recalc()
4503:
4504: Converts a measurement in to mm from any of
4505: the other valid LaTeX units of measure.
4506: If the units of measure are missing from the
4507: parameter, it is assumed to be in and returned
4508: with mm units of measure
4509:
4510: =item LATEX_length()
4511:
4512: =item align_latex_image()
4513:
4514: Wrap image 'stuff' inside of the LaTeX required to implement
4515: alignment:
4516: align_tex_image(align, latex_rendering, image)
4517: Where:
4518: align - The HTML alignment specification.
4519: latex_rendering - rendering hint for latex.
4520: image - The LaTeX needed to insert the image itsef.
4521: width,height - dimensions of the image.
4522: Returns:
4523: The 1/2 wrapped image and the stuff required to close the
4524: wrappage. This allows e.g. randomlabel to insert more stuff
4525: into the closure.
4526:
4527:
4528: =item is_inside_of($tagstack, $tag)
4529: This sub returns true if the current state of Xml processing is inside of the tag.
4530: Parameters:
4531: tagstack - The tagstack from the parser.
4532: tag - The tag (without the <>'s.).
4533: Sample usage:
4534: if (is_inside_of($tagstack "table")) {
4535: I'm in a table....
4536: }
4537:
4538:
4539:
4540: =back
4541:
4542: =cut
4543:
4544:
1.1 sakharuk 4545: 1;
4546: __END__
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