Annotation of loncom/xml/scripttag.pm, revision 1.117
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # <script> definiton
1.58 www 3: #
1.116 www 4: # $Id: scripttag.pm,v 1.115 2004/08/18 20:48:45 albertel Exp $
1.58 www 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.116 www 28:
1.47 albertel 29: package Apache::scripttag;
1.1 albertel 30:
31: use strict;
1.3 albertel 32: use Apache::lonnet;
1.42 sakharuk 33: use Apache::style;
1.1 albertel 34:
1.47 albertel 35: #Globals
36: # this used to pass around the standard callsub arguments to a tag func
37: # so xmlparse can reenter the inner_xmlparse loop.
38:
39: @Apache::scripttag::parser_env = ();
1.61 harris41 40: BEGIN {
1.62 albertel 41: &Apache::lonxml::register('Apache::scripttag',
42: ('script','scriptlib','parserlib','import',
43: 'window','display','storetc','physnet',
1.81 albertel 44: 'standalone','comment',
1.86 albertel 45: 'LONCAPA_INTERNAL_TURN_STYLE_ON',
1.100 albertel 46: 'LONCAPA_INTERNAL_TURN_STYLE_OFF',
1.86 albertel 47: 'LONCAPA_INTERNAL_LONHTTPD_PORT'));
1.81 albertel 48: }
49:
50: sub start_LONCAPA_INTERNAL_TURN_STYLE_ON {
51: $Apache::lonxml::usestyle=1;
1.89 albertel 52: $Apache::lonxml::style_values='';
1.81 albertel 53: return ('','no');
54: }
55:
56: sub end_LONCAPA_INTERNAL_TURN_STYLE_ON {
1.91 albertel 57: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
58: my $end=&Apache::lonxml::get_param('end',$parstack,$safeeval);
59: if (defined($end)) {
60: &Apache::lonxml::end_tag($tagstack,$parstack,$token);
61: }
1.100 albertel 62: return ('','no');
63: }
64:
65: sub start_LONCAPA_INTERNAL_TURN_STYLE_OFF {
66: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
67: $Apache::lonxml::usestyle=0;
68: my $end=&Apache::lonxml::get_param('end',$parstack,$safeeval);
69: if (!$end) {
70: $Apache::lonxml::style_values=$$parstack[-1];
71: $Apache::lonxml::style_end_values=$$parstack[-1];
72: } else {
73: $Apache::lonxml::style_values=$Apache::lonxml::style_end_values;
74: $Apache::lonxml::style_end_values='';
75: }
76: return ('','no');
77: }
78:
79: sub end_LONCAPA_INTERNAL_TURN_STYLE_OFF {
1.86 albertel 80: return ('','no');
81: }
82:
83: sub start_LONCAPA_INTERNAL_LONHTTPD_PORT {
84: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
85: if ($target eq 'web') {
86: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
87: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
88: return '<script type="text/javascript">var lonhttpdport=\''.
89: $lonhttpdPort.'\';</script>';
90: }
91: return ('','no');
92: }
93:
94: sub end_LONCAPA_INTERNAL_LONHTTPD_PORT {
1.81 albertel 95: return ('','no');
1.1 albertel 96: }
97:
98: sub start_script {
1.40 albertel 99: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.47 albertel 100: @Apache::scripttag::parser_env = @_;
1.24 albertel 101: my $result='';
1.39 albertel 102: my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
103: &Apache::lonxml::debug("found type of $type");
1.17 albertel 104: if ($type eq "loncapa/perl") {
105: if ( $target eq "modified" ) {
1.103 albertel 106: $result=$token->[4].&Apache::edit::modifiedfield('/script',$parser);
1.54 albertel 107: } elsif ( $target eq 'web' || $target eq 'tex' ||
1.78 albertel 108: $target eq 'grade' || $target eq 'answer' ||
109: $target eq 'analyze' ) {
1.107 albertel 110: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.79 albertel 111: if (!$Apache::lonxml::default_homework_loaded) {
112: &Apache::lonxml::default_homework_load($safeeval);
113: }
114: &Apache::run::run($bodytext,$safeeval);
1.88 albertel 115: if (($target eq 'answer') &&
116: ($ENV{'form.answer_output_mode'} ne 'tex') &&
117: ($Apache::lonhomework::viewgrades == 'F')) {
1.79 albertel 118: $Apache::lonxml::evaluate--;
1.109 albertel 119: my (undef,undef,$udom,$uname)=&Apache::lonxml::whichuser();
1.117 ! www 120: $result.="<script type=\"text/javascript\"> function LONCAPA_scriptvars_".$uname."_".$udom."_"."$Apache::lonxml::curdepth() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.document.open('text/html','replace');newWindow.document.writeln('<html><head><title>Script Vars</title></head><body bgcolor=\"#FFFFFF\"><pre>";
1.99 albertel 121: my $listing=&Apache::run::dump($target,$safeeval);
122: $listing=~s/\'/\\\'/g;
123: $listing=~s/\n/\\n/g;
124: $listing=~s/\r/\\r/g;
1.79 albertel 125: $result.=$listing;
1.109 albertel 126: $result.= "</pre></body></html>');newWindow.document.close();}</script><a href=\"javascript:LONCAPA_scriptvars_".$uname."_".$udom."_$Apache::lonxml::curdepth();void(0);\">Script Vars</a><br />";
1.79 albertel 127: }
1.28 albertel 128: } elsif ($target eq "edit" ) {
1.41 albertel 129: #&Apache::run::run($bodytext,$safeeval);
130: #$result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
1.107 albertel 131: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.103 albertel 132: $result=&Apache::edit::tag_start($target,$token,'Script');
133: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4);
1.107 albertel 134: } elsif ($target eq 'meta') {
135: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.17 albertel 136: }
137: } else {
1.108 matthew 138: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.115 albertel 139: if ($target ne "meta" && $target ne 'tex') {
1.112 albertel 140: $result = $token->[4];
141: $result.=$bodytext;
142: }
1.13 albertel 143: }
1.24 albertel 144: return $result;
1.17 albertel 145: }
1.13 albertel 146:
1.17 albertel 147: sub end_script {
1.40 albertel 148: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.28 albertel 149: if ( $target eq "meta" ) { return ''; }
1.39 albertel 150: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
1.29 albertel 151: my $result='';
152: #other script blocks need to survive
1.115 albertel 153: if ($type ne "loncapa/perl" && $target ne 'tex') {
1.53 albertel 154: return $token->[2];
155: } elsif ($target eq 'edit' ) {
156: return &Apache::edit::end_table();
1.78 albertel 157: } elsif ($target eq 'answer') {
1.53 albertel 158: $Apache::lonxml::evaluate++;
159: }
1.28 albertel 160: return '';
1.24 albertel 161: }
162:
163: sub start_display {
1.40 albertel 164: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.39 albertel 165:
1.48 albertel 166: my $result;
1.39 albertel 167:
1.24 albertel 168: if ( $target eq "modified" ) {
1.103 albertel 169: $result=$token->[4].&Apache::edit::modifiedfield("/display",$parser);
1.54 albertel 170: } elsif ( $target eq 'web' || $target eq 'tex' ||
1.78 albertel 171: $target eq 'grade' || $target eq 'answer' ||
172: $target eq 'analyze') {
1.107 albertel 173: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
1.80 albertel 174: if (!$Apache::lonxml::default_homework_loaded) {
175: &Apache::lonxml::default_homework_load($safeeval);
176: }
177: $result=&Apache::run::run($bodytext,$safeeval);
178: if ($target eq 'grade' || $target eq 'answer' ||
179: $target eq 'analyze') {
1.114 albertel 180: # grade/answer/analyxe should produce no output but if we
181: # are redirecting, the redirecter should know what to do
182: # with the output
183: if (!$Apache::lonxml::redirection) { $result=''; }
1.80 albertel 184: }
1.101 albertel 185: $Apache::lonxml::post_evaluate=0;
1.48 albertel 186: } elsif ($target eq "edit" ) {
1.110 albertel 187: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
1.48 albertel 188: #$result =
189: # "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
190: #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
191: $result=&Apache::edit::tag_start($target,$token,'Script With Display');
1.77 albertel 192: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,1)
1.107 albertel 193: } elsif ($target eq 'meta') {
194: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
1.24 albertel 195: }
196: return $result;
197: }
198:
199: sub end_display {
1.48 albertel 200: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
201: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
202: return '';
1.1 albertel 203: }
1.3 albertel 204:
205: sub start_scriptlib {
1.40 albertel 206: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37 albertel 207: my $bodytext;
208: my $result ='';
209: my $error='';
210:
1.106 albertel 211: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
212: $target eq 'meta' || $target eq 'edit' || $target eq 'answer' ||
213: $target eq 'analyze') {
1.37 albertel 214: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
215: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
216: $$parstack[$#$parstack]);
217: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
218: $bodytext);
219: my $script=&Apache::lonnet::getfile($location);
220: if ($script == -1) {
221: if ($target eq 'edit') {
222: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
223: } else {
224: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
225: return "";
226: }
227: }
228: &Apache::run::run($script,$safeeval);
229: #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
1.18 albertel 230: }
1.13 albertel 231: if ($target eq "edit" ) {
1.37 albertel 232: $result=
1.49 albertel 233: &Apache::edit::tag_start($target,$token,'New Script Functions').
1.83 matthew 234: &Apache::edit::editline($token->[1],$bodytext,'scriptlib',40).
235: &Apache::edit::browse(undef,'textnode').
1.49 albertel 236: $error.'</td></tr>'.
237: &Apache::edit::end_table();
1.37 albertel 238: }
239: if ($target eq "modified" ) {
1.103 albertel 240: $result=$token->[4].&Apache::edit::modifiedfield("/scriptlib",$parser);
1.3 albertel 241: }
242: return $result;
243: }
244:
1.37 albertel 245: sub end_scriptlib {
1.40 albertel 246: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49 albertel 247: my @result;
248: if ($target eq "edit" ) { $result[1]='no'; }
249: return @result;
1.37 albertel 250: }
1.4 albertel 251:
252: sub start_parserlib {
1.40 albertel 253: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37 albertel 254: my $bodytext;
1.7 albertel 255: my $result ="";
1.37 albertel 256: my $error='';
1.106 albertel 257: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
258: $target eq 'meta' || $target eq 'edit' || $target eq 'answer' ||
259: $target eq 'analyze') {
1.37 albertel 260: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
261: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
262: $$parstack[$#$parstack]);
263: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
264: $bodytext);
265: my $styletext=&Apache::lonnet::getfile($location);
266: #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
267: if ($styletext == -1) {
268: if ($target eq 'edit') {
269: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
270: } else {
271: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
272: return "";
273: }
274: }
275: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
1.18 albertel 276: }
1.13 albertel 277: if ($target eq "edit" ) {
1.37 albertel 278: $result=
1.49 albertel 279: &Apache::edit::tag_start($target,$token,'New Tag Definitions').
1.68 albertel 280: &Apache::edit::editline($token->[1],$bodytext,'',40).
1.49 albertel 281: $error.'</td></tr>'.
282: &Apache::edit::end_table();
1.37 albertel 283: }
284: if ($target eq "modified" ) {
1.103 albertel 285: $result=$token->[4].&Apache::edit::modifiedfield("/parserlib",$parser);
1.7 albertel 286: }
287: return $result;
1.4 albertel 288: }
289:
290: sub end_parserlib {
1.40 albertel 291: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49 albertel 292: my @result;
293: if ($target eq "edit" ) { $result[1]='no'; }
294: return @result;
1.6 albertel 295: }
296:
1.30 sakharuk 297: sub start_window {
1.105 albertel 298: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
299: my $result = '';
300: if ($target eq 'web') {
301: &Apache::lonxml::startredirection;
302: } elsif ($target eq 'tex') {
303: $result = '\unskip\footnote{';
304: } elsif ($target eq 'edit') {
305: $result.=&Apache::edit::tag_start($target,$token);
306: $result.=&Apache::edit::text_arg('Text of Link:','linktext',$token,70);
307: $result.=&Apache::edit::text_arg('Height:','width',$token,5);
308: $result.=&Apache::edit::text_arg('Width:','height',$token,5);
309: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
310: } elsif ($target eq 'modified') {
311: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
312: $safeeval,'linttext',
313: 'width','height');
314: if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
315: }
316: return $result;
1.19 sakharuk 317: }
318:
1.30 sakharuk 319: sub end_window {
1.40 albertel 320: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.30 sakharuk 321: my $result;
1.31 albertel 322: if ($target eq 'web') {
1.34 albertel 323: my $output=&Apache::lonxml::endredirection;
1.97 albertel 324: $output =~ s/[\n\r]/ /g;
1.98 albertel 325: # $output = &HTML::Entities::encode($output,'<>&"\'');
326: $output =~ s/\'/\\\'/g;
1.92 albertel 327: my $linktext= &Apache::lonxml::get_param('linktext',$parstack,$safeeval);
328: if (!$linktext) { $linktext='<sup>*</sup>'; }
329: my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
330: if (!$width) { $width='500'; }
331: my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
332: if (!$height) { $height='200'; }
1.98 albertel 333: $result = "<script type=\"text/javascript\"> function LONCAPA_newwindow_$Apache::lonxml::curdepth() {newWindow=open('','new_W','width=$width,height=$height,scrollbars=1');newWindow.document.open('text/html','replace');newWindow.document.writeln('<html><head><title>newwindow</title></head><body bgcolor=\"#FFFFFF\"> $output </body></html>');newWindow.document.close();}</script><a href=\"javascript:LONCAPA_newwindow_$Apache::lonxml::curdepth();void(0);\">$linktext</a>";
1.35 sakharuk 334: } elsif ($target eq 'tex') {
335: $result = '}';
1.30 sakharuk 336: } else {
1.35 sakharuk 337: $result = '';
1.30 sakharuk 338: }
1.20 sakharuk 339: return $result;
1.19 sakharuk 340: }
341:
1.6 albertel 342: sub start_import {
1.40 albertel 343: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.31 albertel 344: my $bodytext=$$parser[$#$parser]->get_text("/import");
1.7 albertel 345: my $result ="";
1.13 albertel 346:
347: $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
1.14 albertel 348:
1.78 albertel 349: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
350: $target eq 'tex' || $target eq 'analyze' ) {
1.46 albertel 351: # FIXME this probably needs to be smart about construction vs.
352: # non construction space.
353: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
354: my $file=&Apache::lonnet::getfile($location);
355: if ($file == -1) {
356: &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
357: return "";
358: }
1.13 albertel 359:
1.46 albertel 360: my $dir=$location;
361: $dir=~s:/[^/]*$::;
362: # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
1.57 albertel 363: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
364: if (!$id) { $id=$Apache::lonxml::curdepth; }
365: push(@Apache::inputtags::import,$id);
1.90 albertel 366: push(@Apache::inputtags::importlist,$id);
1.87 sakharuk 367:
368: &Apache::lonxml::newparser($parser,\$file,$dir);
369:
1.56 albertel 370: } elsif ($target eq "edit" ) {
1.46 albertel 371: $result.=&Apache::edit::tag_start($target,$token);
1.68 albertel 372: $result.=&Apache::edit::editline($token->[1],$bodytext,'',40);
1.83 matthew 373: $result.=&Apache::edit::browse(undef,'textnode');
1.46 albertel 374: #FIXME this need to convert $bodytext to be a contruction space reference
375: #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
376: #$result.="Click<a href=\"$location\">here</a> to edit<br />"
1.56 albertel 377: } elsif ($target eq 'modified') {
1.103 albertel 378: $result=$token->[4].&Apache::edit::modifiedfield("/import",$parser);
1.56 albertel 379: } elsif ($target eq 'meta') {
1.57 albertel 380: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
381: $result.='<import part="'.$Apache::inputtags::part;
382: if ($id) {
383: $result.='" id="'.$id;
384: }
385: $result.='">';
1.56 albertel 386: $result.=$bodytext;
387: $result.='</import>';
1.46 albertel 388: }
389: return $result;
1.6 albertel 390: }
391:
392: sub end_import {
1.69 albertel 393: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.57 albertel 394: pop(@Apache::inputtags::import);
1.69 albertel 395: my $result;
396: if ($target eq 'edit' ) { $result=&Apache::edit::end_table(); }
397: return $result;
1.1 albertel 398: }
1.42 sakharuk 399:
400: sub start_storetc {
1.43 albertel 401: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42 sakharuk 402: my $result = '';
403: &Apache::lonxml::startredirection;
404: return $result;
405: }
406:
407: sub end_storetc {
1.43 albertel 408: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42 sakharuk 409: my $result;
410: my $output=&Apache::lonxml::endredirection;
411: $output =~ s/\"/\"\;/g;
1.52 albertel 412: $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
413: return $result;
1.42 sakharuk 414: }
415:
416:
417: sub start_physnet {
1.45 sakharuk 418: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.50 www 419: my $bodytext = '/adm/includes/physnet.sty';
1.45 sakharuk 420: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
421: my $cbistyletext=&Apache::lonnet::getfile($location);
1.42 sakharuk 422:
1.45 sakharuk 423: %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
1.59 albertel 424: $$parser['-1']->unget_token($token);
425: # if ( defined($$style{'physnet'}) ) {
426: # &Apache::lonxml::newparser($parser,\$$style{'physnet'});
427: # }
1.45 sakharuk 428: return "";
429: }
1.42 sakharuk 430:
1.45 sakharuk 431: sub end_physnet {
1.47 albertel 432: return '';
1.42 sakharuk 433: }
1.62 albertel 434:
435: sub start_standalone {
436: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.75 albertel 437: my $result='';
438: if ($target eq 'web' ) {
439: if ( $ENV{'request.course.id'} ) {
1.85 albertel 440: my $inside = &Apache::lonxml::get_all_text("/standalone",$parser);
1.75 albertel 441: } else {
442: $result='<table bgcolor="#E1E1E1" border="2"><tr><td>';
443: }
1.62 albertel 444: }
1.75 albertel 445: return $result;
1.62 albertel 446: }
447:
448: sub end_standalone {
1.75 albertel 449: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
450: my $result='';
451: if ($target eq 'web' ) {
452: if ( $ENV{'request.course.id'} ) {
453: } else {
454: $result='</td></tr></table>';
455: }
456: }
457: return $result;
1.74 albertel 458: }
459:
460: sub start_comment {
461: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
462: my $result='';
463: if ($target eq 'edit') {
464: $result=&Apache::edit::tag_start($target,$token);
1.85 albertel 465: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser);
1.77 albertel 466: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4)
1.74 albertel 467: } elsif ( $target eq 'modified') {
1.103 albertel 468: $result=$token->[4].&Apache::edit::modifiedfield("/comment",$parser);
1.78 albertel 469: } elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
470: $target eq 'answer' || $target eq 'meta' || $target eq 'analyze') {
1.74 albertel 471: #normally throw away comments
1.85 albertel 472: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser);
1.74 albertel 473: }
474: return $result;
475: }
476:
477: sub end_comment {
478: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
479: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
1.62 albertel 480: return '';
481: }
482:
1.42 sakharuk 483:
1.47 albertel 484: sub xmlparse {
485: my ($string) = @_;
1.111 albertel 486: &Apache::lonxml::debug("xmlparse recursion starting with $string");
1.113 albertel 487: # Apache::run::evaluate does an 'eval' on the name of the subroutine
488: # if it detects something that looks like a subroutine, this ends up calling
489: # things without any arguments and since perl is nice enough to pass
490: # along the default arguments when you don't explicitly say no arguments
491: # if you call &xmlparse, it gets &xmlparse passed as it argument.
492: # Same thing soccurs with &chemparse.
1.111 albertel 493: if ($string eq '&xmlparse') { return '&xmlparse'; }
1.113 albertel 494: if ($string eq '&chemparse') { return '&chemparse'; }
1.47 albertel 495: my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
496: @Apache::scripttag::parser_env;
497: my @parser;
498: &Apache::lonxml::newparser(\@parser,\$string);
499: my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
500: $parstack,\@parser,
501: $safeeval,$style);
1.111 albertel 502: &Apache::lonxml::debug("xmlparse recursion ending with $result");
1.47 albertel 503: return $result;
504: }
1.3 albertel 505:
1.1 albertel 506: 1;
507: __END__
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