Annotation of loncom/xml/scripttag.pm, revision 1.133
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # <script> definiton
1.58 www 3: #
1.133 ! albertel 4: # $Id: scripttag.pm,v 1.132 2005/09/29 19:15:47 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',
1.123 albertel 44: 'standalone','comment','num','parse','algebra',
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' ||
1.130 albertel 108: $target eq 'grade' || $target eq 'webgrade' ||
109: $target eq 'answer' || $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 (($target eq 'answer') &&
1.126 albertel 116: ($env{'form.answer_output_mode'} ne 'tex') &&
1.88 albertel 117: ($Apache::lonhomework::viewgrades == 'F')) {
1.79 albertel 118: $Apache::lonxml::evaluate--;
1.109 albertel 119: my (undef,undef,$udom,$uname)=&Apache::lonxml::whichuser();
1.118 www 120: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1.121 albertel 121: $result.="<script type=\"text/javascript\">
1.124 albertel 122: // <![CDATA[
1.121 albertel 123: function LONCAPA_scriptvars_".$uname."_".$udom."_"."$Apache::lonxml::curdepth() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('<html><head><title>Script Vars</title></head><body bgcolor=\"#FFFFFF\"><pre>";
1.99 albertel 124: my $listing=&Apache::run::dump($target,$safeeval);
1.128 albertel 125: $listing=~s/\\/\\\\/g;
1.99 albertel 126: $listing=~s/\'/\\\'/g;
1.79 albertel 127: $result.=$listing;
1.127 albertel 128: $result.= "</pre></body></html>');newWindow.document.close();newWindow.focus()}
1.124 albertel 129: // ]]>
1.121 albertel 130: </script><a href=\"javascript:LONCAPA_scriptvars_".$uname."_".$udom."_$Apache::lonxml::curdepth();void(0);\">Script Vars</a><br />";
1.79 albertel 131: }
1.28 albertel 132: } elsif ($target eq "edit" ) {
1.41 albertel 133: #&Apache::run::run($bodytext,$safeeval);
134: #$result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
1.107 albertel 135: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.103 albertel 136: $result=&Apache::edit::tag_start($target,$token,'Script');
137: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4);
1.107 albertel 138: } elsif ($target eq 'meta') {
139: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.17 albertel 140: }
141: } else {
1.108 matthew 142: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.115 albertel 143: if ($target ne "meta" && $target ne 'tex') {
1.112 albertel 144: $result = $token->[4];
145: $result.=$bodytext;
146: }
1.13 albertel 147: }
1.24 albertel 148: return $result;
1.17 albertel 149: }
1.13 albertel 150:
1.17 albertel 151: sub end_script {
1.40 albertel 152: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.28 albertel 153: if ( $target eq "meta" ) { return ''; }
1.39 albertel 154: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
1.29 albertel 155: my $result='';
156: #other script blocks need to survive
1.115 albertel 157: if ($type ne "loncapa/perl" && $target ne 'tex') {
1.53 albertel 158: return $token->[2];
159: } elsif ($target eq 'edit' ) {
160: return &Apache::edit::end_table();
1.78 albertel 161: } elsif ($target eq 'answer') {
1.53 albertel 162: $Apache::lonxml::evaluate++;
163: }
1.28 albertel 164: return '';
1.24 albertel 165: }
166:
167: sub start_display {
1.40 albertel 168: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.119 albertel 169: @Apache::scripttag::parser_env = @_;
1.48 albertel 170: my $result;
1.39 albertel 171:
1.24 albertel 172: if ( $target eq "modified" ) {
1.103 albertel 173: $result=$token->[4].&Apache::edit::modifiedfield("/display",$parser);
1.54 albertel 174: } elsif ( $target eq 'web' || $target eq 'tex' ||
1.130 albertel 175: $target eq 'grade' || $target eq 'webgrade' ||
176: $target eq 'answer' || $target eq 'analyze') {
1.107 albertel 177: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
1.80 albertel 178: if (!$Apache::lonxml::default_homework_loaded) {
179: &Apache::lonxml::default_homework_load($safeeval);
180: }
181: $result=&Apache::run::run($bodytext,$safeeval);
182: if ($target eq 'grade' || $target eq 'answer' ||
183: $target eq 'analyze') {
1.114 albertel 184: # grade/answer/analyxe should produce no output but if we
185: # are redirecting, the redirecter should know what to do
186: # with the output
187: if (!$Apache::lonxml::redirection) { $result=''; }
1.80 albertel 188: }
1.101 albertel 189: $Apache::lonxml::post_evaluate=0;
1.48 albertel 190: } elsif ($target eq "edit" ) {
1.110 albertel 191: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
1.48 albertel 192: #$result =
193: # "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
194: #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
195: $result=&Apache::edit::tag_start($target,$token,'Script With Display');
1.77 albertel 196: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,1)
1.107 albertel 197: } elsif ($target eq 'meta') {
198: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
1.24 albertel 199: }
200: return $result;
201: }
202:
203: sub end_display {
1.48 albertel 204: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
205: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
206: return '';
1.1 albertel 207: }
1.3 albertel 208:
209: sub start_scriptlib {
1.40 albertel 210: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37 albertel 211: my $bodytext;
212: my $result ='';
213: my $error='';
214:
1.106 albertel 215: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
216: $target eq 'meta' || $target eq 'edit' || $target eq 'answer' ||
217: $target eq 'analyze') {
1.37 albertel 218: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
219: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
220: $$parstack[$#$parstack]);
221: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
222: $bodytext);
223: my $script=&Apache::lonnet::getfile($location);
224: if ($script == -1) {
225: if ($target eq 'edit') {
226: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
227: } else {
228: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
229: return "";
230: }
231: }
232: &Apache::run::run($script,$safeeval);
233: #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
1.18 albertel 234: }
1.13 albertel 235: if ($target eq "edit" ) {
1.37 albertel 236: $result=
1.49 albertel 237: &Apache::edit::tag_start($target,$token,'New Script Functions').
1.83 matthew 238: &Apache::edit::editline($token->[1],$bodytext,'scriptlib',40).
239: &Apache::edit::browse(undef,'textnode').
1.49 albertel 240: $error.'</td></tr>'.
241: &Apache::edit::end_table();
1.37 albertel 242: }
243: if ($target eq "modified" ) {
1.103 albertel 244: $result=$token->[4].&Apache::edit::modifiedfield("/scriptlib",$parser);
1.3 albertel 245: }
246: return $result;
247: }
248:
1.37 albertel 249: sub end_scriptlib {
1.40 albertel 250: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49 albertel 251: my @result;
252: if ($target eq "edit" ) { $result[1]='no'; }
253: return @result;
1.37 albertel 254: }
1.4 albertel 255:
256: sub start_parserlib {
1.40 albertel 257: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37 albertel 258: my $bodytext;
1.7 albertel 259: my $result ="";
1.37 albertel 260: my $error='';
1.106 albertel 261: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
262: $target eq 'meta' || $target eq 'edit' || $target eq 'answer' ||
263: $target eq 'analyze') {
1.37 albertel 264: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
265: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
266: $$parstack[$#$parstack]);
267: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
268: $bodytext);
269: my $styletext=&Apache::lonnet::getfile($location);
270: #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
271: if ($styletext == -1) {
272: if ($target eq 'edit') {
273: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
274: } else {
275: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
276: return "";
277: }
278: }
279: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
1.18 albertel 280: }
1.13 albertel 281: if ($target eq "edit" ) {
1.37 albertel 282: $result=
1.49 albertel 283: &Apache::edit::tag_start($target,$token,'New Tag Definitions').
1.68 albertel 284: &Apache::edit::editline($token->[1],$bodytext,'',40).
1.49 albertel 285: $error.'</td></tr>'.
286: &Apache::edit::end_table();
1.37 albertel 287: }
288: if ($target eq "modified" ) {
1.103 albertel 289: $result=$token->[4].&Apache::edit::modifiedfield("/parserlib",$parser);
1.7 albertel 290: }
291: return $result;
1.4 albertel 292: }
293:
294: sub end_parserlib {
1.40 albertel 295: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49 albertel 296: my @result;
297: if ($target eq "edit" ) { $result[1]='no'; }
298: return @result;
1.6 albertel 299: }
300:
1.30 sakharuk 301: sub start_window {
1.105 albertel 302: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
303: my $result = '';
304: if ($target eq 'web') {
305: &Apache::lonxml::startredirection;
306: } elsif ($target eq 'tex') {
307: $result = '\unskip\footnote{';
308: } elsif ($target eq 'edit') {
309: $result.=&Apache::edit::tag_start($target,$token);
310: $result.=&Apache::edit::text_arg('Text of Link:','linktext',$token,70);
1.131 albertel 311: $result.=&Apache::edit::text_arg('Height:','height',$token,5);
312: $result.=&Apache::edit::text_arg('Width:','width',$token,5);
1.105 albertel 313: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
314: } elsif ($target eq 'modified') {
315: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.129 raeburn 316: $safeeval,'linktext',
1.105 albertel 317: 'width','height');
318: if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
319: }
320: return $result;
1.19 sakharuk 321: }
322:
1.30 sakharuk 323: sub end_window {
1.40 albertel 324: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.30 sakharuk 325: my $result;
1.31 albertel 326: if ($target eq 'web') {
1.34 albertel 327: my $output=&Apache::lonxml::endredirection;
1.97 albertel 328: $output =~ s/[\n\r]/ /g;
1.98 albertel 329: # $output = &HTML::Entities::encode($output,'<>&"\'');
330: $output =~ s/\'/\\\'/g;
1.92 albertel 331: my $linktext= &Apache::lonxml::get_param('linktext',$parstack,$safeeval);
332: if (!$linktext) { $linktext='<sup>*</sup>'; }
333: my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
334: if (!$width) { $width='500'; }
335: my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
336: if (!$height) { $height='200'; }
1.98 albertel 337: $result = "<script type=\"text/javascript\"> function LONCAPA_newwindow_$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);\">$linktext</a>";
1.35 sakharuk 338: } elsif ($target eq 'tex') {
339: $result = '}';
1.30 sakharuk 340: } else {
1.35 sakharuk 341: $result = '';
1.30 sakharuk 342: }
1.20 sakharuk 343: return $result;
1.19 sakharuk 344: }
345:
1.6 albertel 346: sub start_import {
1.40 albertel 347: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.31 albertel 348: my $bodytext=$$parser[$#$parser]->get_text("/import");
1.7 albertel 349: my $result ="";
1.13 albertel 350:
351: $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
1.14 albertel 352:
1.78 albertel 353: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
354: $target eq 'tex' || $target eq 'analyze' ) {
1.46 albertel 355: # FIXME this probably needs to be smart about construction vs.
356: # non construction space.
357: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
358: my $file=&Apache::lonnet::getfile($location);
359: if ($file == -1) {
360: &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
361: return "";
362: }
1.13 albertel 363:
1.46 albertel 364: my $dir=$location;
365: $dir=~s:/[^/]*$::;
366: # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
1.57 albertel 367: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
368: if (!$id) { $id=$Apache::lonxml::curdepth; }
369: push(@Apache::inputtags::import,$id);
1.90 albertel 370: push(@Apache::inputtags::importlist,$id);
1.87 sakharuk 371:
372: &Apache::lonxml::newparser($parser,\$file,$dir);
373:
1.56 albertel 374: } elsif ($target eq "edit" ) {
1.46 albertel 375: $result.=&Apache::edit::tag_start($target,$token);
1.68 albertel 376: $result.=&Apache::edit::editline($token->[1],$bodytext,'',40);
1.83 matthew 377: $result.=&Apache::edit::browse(undef,'textnode');
1.46 albertel 378: #FIXME this need to convert $bodytext to be a contruction space reference
379: #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
380: #$result.="Click<a href=\"$location\">here</a> to edit<br />"
1.56 albertel 381: } elsif ($target eq 'modified') {
1.103 albertel 382: $result=$token->[4].&Apache::edit::modifiedfield("/import",$parser);
1.56 albertel 383: } elsif ($target eq 'meta') {
1.57 albertel 384: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
385: $result.='<import part="'.$Apache::inputtags::part;
386: if ($id) {
387: $result.='" id="'.$id;
388: }
389: $result.='">';
1.56 albertel 390: $result.=$bodytext;
391: $result.='</import>';
1.46 albertel 392: }
393: return $result;
1.6 albertel 394: }
395:
396: sub end_import {
1.69 albertel 397: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.57 albertel 398: pop(@Apache::inputtags::import);
1.69 albertel 399: my $result;
1.120 albertel 400: if ($target eq 'edit' ) { $result=&Apache::edit::end_row.
401: &Apache::edit::end_table(); }
1.69 albertel 402: return $result;
1.1 albertel 403: }
1.42 sakharuk 404:
405: sub start_storetc {
1.43 albertel 406: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42 sakharuk 407: my $result = '';
408: &Apache::lonxml::startredirection;
409: return $result;
410: }
411:
412: sub end_storetc {
1.43 albertel 413: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42 sakharuk 414: my $result;
415: my $output=&Apache::lonxml::endredirection;
416: $output =~ s/\"/\"\;/g;
1.52 albertel 417: $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
418: return $result;
1.42 sakharuk 419: }
420:
421:
422: sub start_physnet {
1.45 sakharuk 423: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.50 www 424: my $bodytext = '/adm/includes/physnet.sty';
1.45 sakharuk 425: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
426: my $cbistyletext=&Apache::lonnet::getfile($location);
1.42 sakharuk 427:
1.45 sakharuk 428: %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
1.59 albertel 429: $$parser['-1']->unget_token($token);
430: # if ( defined($$style{'physnet'}) ) {
431: # &Apache::lonxml::newparser($parser,\$$style{'physnet'});
432: # }
1.45 sakharuk 433: return "";
434: }
1.42 sakharuk 435:
1.45 sakharuk 436: sub end_physnet {
1.47 albertel 437: return '';
1.42 sakharuk 438: }
1.62 albertel 439:
440: sub start_standalone {
441: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.75 albertel 442: my $result='';
443: if ($target eq 'web' ) {
1.126 albertel 444: if ( $env{'request.course.id'} ) {
1.133 ! albertel 445: my $inside = &Apache::lonxml::get_all_text("/standalone",$parser,$style);
1.75 albertel 446: } else {
447: $result='<table bgcolor="#E1E1E1" border="2"><tr><td>';
448: }
1.62 albertel 449: }
1.75 albertel 450: return $result;
1.62 albertel 451: }
452:
453: sub end_standalone {
1.75 albertel 454: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
455: my $result='';
456: if ($target eq 'web' ) {
1.126 albertel 457: if ( $env{'request.course.id'} ) {
1.75 albertel 458: } else {
459: $result='</td></tr></table>';
460: }
461: }
462: return $result;
1.74 albertel 463: }
464:
465: sub start_comment {
466: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
467: my $result='';
468: if ($target eq 'edit') {
469: $result=&Apache::edit::tag_start($target,$token);
1.133 ! albertel 470: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style);
1.77 albertel 471: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4)
1.74 albertel 472: } elsif ( $target eq 'modified') {
1.103 albertel 473: $result=$token->[4].&Apache::edit::modifiedfield("/comment",$parser);
1.78 albertel 474: } elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
475: $target eq 'answer' || $target eq 'meta' || $target eq 'analyze') {
1.74 albertel 476: #normally throw away comments
1.133 ! albertel 477: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style);
1.74 albertel 478: }
479: return $result;
480: }
481:
482: sub end_comment {
483: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
484: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
1.62 albertel 485: return '';
486: }
487:
1.42 sakharuk 488:
1.47 albertel 489: sub xmlparse {
490: my ($string) = @_;
1.111 albertel 491: &Apache::lonxml::debug("xmlparse recursion starting with $string");
1.113 albertel 492: # Apache::run::evaluate does an 'eval' on the name of the subroutine
493: # if it detects something that looks like a subroutine, this ends up calling
494: # things without any arguments and since perl is nice enough to pass
495: # along the default arguments when you don't explicitly say no arguments
496: # if you call &xmlparse, it gets &xmlparse passed as it argument.
497: # Same thing soccurs with &chemparse.
1.111 albertel 498: if ($string eq '&xmlparse') { return '&xmlparse'; }
1.113 albertel 499: if ($string eq '&chemparse') { return '&chemparse'; }
1.47 albertel 500: my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
501: @Apache::scripttag::parser_env;
502: my @parser;
503: &Apache::lonxml::newparser(\@parser,\$string);
1.132 albertel 504: &Apache::lonxml::startredirection();
1.47 albertel 505: my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
506: $parstack,\@parser,
507: $safeeval,$style);
1.132 albertel 508: $result.=&Apache::lonxml::endredirection();
1.122 albertel 509: &Apache::lonxml::debug("target is $target xmlparse recursion ending with $result");
1.47 albertel 510: return $result;
511: }
1.3 albertel 512:
1.122 albertel 513: sub start_num {
514: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
515: my $result = '';
516: my $inside = &Apache::lonxml::get_all_text_unbalanced("/num",$parser);
517: if ($target eq 'tex' || $target eq 'web') {
518: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
519: if (!$Apache::lonxml::default_homework_loaded) {
520: &Apache::lonxml::default_homework_load($safeeval);
521: }
522: @Apache::scripttag::parser_env = @_;
523: my $format=&Apache::lonxml::get_param('format',$parstack,$safeeval);
524: $result=&Apache::run::run("return &prettyprint(q\0$inside\0,q\0$format\0);",$safeeval);
525: }
526: return $result;
527: }
528:
529: sub end_num {
530: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
531: my $result = '';
532: return $result;
533: }
534:
535: sub start_parse {
536: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
537: my $result = '';
538: if ( $target eq 'web' || $target eq 'tex' ||
539: $target eq 'grade' || $target eq 'answer' ||
540: $target eq 'analyze') {
541: my $inside = &Apache::lonxml::get_all_text_unbalanced("/parse",$parser);
542: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
543: if (!$Apache::lonxml::default_homework_loaded) {
544: &Apache::lonxml::default_homework_load($safeeval);
545: }
546: @Apache::scripttag::parser_env = @_;
547: $result=&Apache::run::run("return &xmlparse(q\0$inside\0);",$safeeval);
548: }
549: return $result;
550: }
551:
552: sub end_parse {
553: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
554: my $result = '';
555: return $result;
556: }
1.123 albertel 557:
558: sub start_algebra {
559: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
560: my $result = '';
561: if ( $target eq 'web' || $target eq 'tex' ||
562: $target eq 'grade' || $target eq 'answer' ||
563: $target eq 'analyze') {
564: my $inside = &Apache::lonxml::get_all_text_unbalanced("/algebra",$parser);
565: $inside = &Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
566: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.125 albertel 567: my $style=&Apache::lonxml::get_param('style',$parstack,$safeeval);
568: $result=&Apache::lontexconvert::algebra($inside,$target,$style);
1.123 albertel 569: }
570: $Apache::lonxml::post_evaluate=0;
571: }
572: return $result;
573: }
574:
575: sub end_algebra {
576: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
577: my $result = '';
578: return $result;
579: }
580:
1.1 albertel 581: 1;
582: __END__
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