Annotation of loncom/xml/scripttag.pm, revision 1.142
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # <script> definiton
1.58 www 3: #
1.142 ! albertel 4: # $Id: scripttag.pm,v 1.141 2007/06/11 20:52:40 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,$safeeval)=@_;
1.137 albertel 85: if ($target eq 'web' || $target eq 'webgrade') {
1.86 albertel 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: $Apache::lonxml::evaluate--;
1.138 albertel 119: my (undef,undef,$udom,$uname)=&Apache::lonnet::whichuser();
1.118 www 120: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1.135 albertel 121: my $start_page =
122: &Apache::loncommon::start_page('Script Vars', undef,
123: {'only_body' => 1,
124: 'bgcolor' => '#FFFFFF',
125: 'js_ready' => 1,});
126: my $end_page =
127: &Apache::loncommon::end_page({'js_ready' => 1,});
128:
1.140 albertel 129: $uname =~s/\W//g;
130: $udom =~s/\W//g;
1.141 albertel 131: my $script_var ="<script type=\"text/javascript\">
1.124 albertel 132: // <![CDATA[
1.135 albertel 133: function LONCAPA_scriptvars_".$uname."_".$udom."_"."$Apache::lonxml::curdepth() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page<pre>";
1.99 albertel 134: my $listing=&Apache::run::dump($target,$safeeval);
1.128 albertel 135: $listing=~s/\\/\\\\/g;
1.99 albertel 136: $listing=~s/\'/\\\'/g;
1.141 albertel 137: $script_var.=$listing;
138: $script_var.= "<\\/pre>$end_page');newWindow.document.close();newWindow.focus()}
1.124 albertel 139: // ]]>
1.121 albertel 140: </script><a href=\"javascript:LONCAPA_scriptvars_".$uname."_".$udom."_$Apache::lonxml::curdepth();void(0);\">Script Vars</a><br />";
1.141 albertel 141: &Apache::lonxml::add_script_result($script_var);
1.79 albertel 142: }
1.28 albertel 143: } elsif ($target eq "edit" ) {
1.41 albertel 144: #&Apache::run::run($bodytext,$safeeval);
145: #$result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
1.107 albertel 146: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.103 albertel 147: $result=&Apache::edit::tag_start($target,$token,'Script');
148: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4);
1.107 albertel 149: } elsif ($target eq 'meta') {
150: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.17 albertel 151: }
152: } else {
1.108 matthew 153: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.115 albertel 154: if ($target ne "meta" && $target ne 'tex') {
1.112 albertel 155: $result = $token->[4];
156: $result.=$bodytext;
157: }
1.13 albertel 158: }
1.24 albertel 159: return $result;
1.17 albertel 160: }
1.13 albertel 161:
1.17 albertel 162: sub end_script {
1.40 albertel 163: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.28 albertel 164: if ( $target eq "meta" ) { return ''; }
1.39 albertel 165: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
1.29 albertel 166: my $result='';
167: #other script blocks need to survive
1.115 albertel 168: if ($type ne "loncapa/perl" && $target ne 'tex') {
1.53 albertel 169: return $token->[2];
170: } elsif ($target eq 'edit' ) {
171: return &Apache::edit::end_table();
1.78 albertel 172: } elsif ($target eq 'answer') {
1.53 albertel 173: $Apache::lonxml::evaluate++;
174: }
1.28 albertel 175: return '';
1.24 albertel 176: }
177:
178: sub start_display {
1.40 albertel 179: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.119 albertel 180: @Apache::scripttag::parser_env = @_;
1.48 albertel 181: my $result;
1.39 albertel 182:
1.24 albertel 183: if ( $target eq "modified" ) {
1.103 albertel 184: $result=$token->[4].&Apache::edit::modifiedfield("/display",$parser);
1.54 albertel 185: } elsif ( $target eq 'web' || $target eq 'tex' ||
1.130 albertel 186: $target eq 'grade' || $target eq 'webgrade' ||
187: $target eq 'answer' || $target eq 'analyze') {
1.107 albertel 188: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
1.80 albertel 189: if (!$Apache::lonxml::default_homework_loaded) {
190: &Apache::lonxml::default_homework_load($safeeval);
191: }
192: $result=&Apache::run::run($bodytext,$safeeval);
193: if ($target eq 'grade' || $target eq 'answer' ||
194: $target eq 'analyze') {
1.114 albertel 195: # grade/answer/analyxe should produce no output but if we
196: # are redirecting, the redirecter should know what to do
197: # with the output
198: if (!$Apache::lonxml::redirection) { $result=''; }
1.80 albertel 199: }
1.101 albertel 200: $Apache::lonxml::post_evaluate=0;
1.48 albertel 201: } elsif ($target eq "edit" ) {
1.110 albertel 202: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
1.48 albertel 203: #$result =
204: # "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
205: #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
206: $result=&Apache::edit::tag_start($target,$token,'Script With Display');
1.77 albertel 207: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,1)
1.107 albertel 208: } elsif ($target eq 'meta') {
209: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
1.24 albertel 210: }
211: return $result;
212: }
213:
214: sub end_display {
1.48 albertel 215: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
216: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
217: return '';
1.1 albertel 218: }
1.3 albertel 219:
220: sub start_scriptlib {
1.40 albertel 221: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37 albertel 222: my $bodytext;
223: my $result ='';
224: my $error='';
225:
1.106 albertel 226: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
227: $target eq 'meta' || $target eq 'edit' || $target eq 'answer' ||
1.137 albertel 228: $target eq 'analyze' || $target eq 'webgrade') {
1.37 albertel 229: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
230: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
231: $$parstack[$#$parstack]);
232: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
233: $bodytext);
234: my $script=&Apache::lonnet::getfile($location);
235: if ($script == -1) {
236: if ($target eq 'edit') {
237: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
238: } else {
239: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
240: return "";
241: }
242: }
243: &Apache::run::run($script,$safeeval);
244: #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
1.18 albertel 245: }
1.13 albertel 246: if ($target eq "edit" ) {
1.37 albertel 247: $result=
1.49 albertel 248: &Apache::edit::tag_start($target,$token,'New Script Functions').
1.83 matthew 249: &Apache::edit::editline($token->[1],$bodytext,'scriptlib',40).
250: &Apache::edit::browse(undef,'textnode').
1.49 albertel 251: $error.'</td></tr>'.
252: &Apache::edit::end_table();
1.37 albertel 253: }
254: if ($target eq "modified" ) {
1.103 albertel 255: $result=$token->[4].&Apache::edit::modifiedfield("/scriptlib",$parser);
1.3 albertel 256: }
257: return $result;
258: }
259:
1.37 albertel 260: sub end_scriptlib {
1.40 albertel 261: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49 albertel 262: my @result;
263: if ($target eq "edit" ) { $result[1]='no'; }
264: return @result;
1.37 albertel 265: }
1.4 albertel 266:
267: sub start_parserlib {
1.40 albertel 268: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37 albertel 269: my $bodytext;
1.7 albertel 270: my $result ="";
1.37 albertel 271: my $error='';
1.106 albertel 272: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
273: $target eq 'meta' || $target eq 'edit' || $target eq 'answer' ||
1.137 albertel 274: $target eq 'analyze' || $target eq 'webgrade') {
1.37 albertel 275: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
276: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
277: $$parstack[$#$parstack]);
278: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
279: $bodytext);
280: my $styletext=&Apache::lonnet::getfile($location);
281: #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
282: if ($styletext == -1) {
283: if ($target eq 'edit') {
284: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
285: } else {
286: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
287: return "";
288: }
289: }
290: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
1.18 albertel 291: }
1.13 albertel 292: if ($target eq "edit" ) {
1.37 albertel 293: $result=
1.49 albertel 294: &Apache::edit::tag_start($target,$token,'New Tag Definitions').
1.68 albertel 295: &Apache::edit::editline($token->[1],$bodytext,'',40).
1.49 albertel 296: $error.'</td></tr>'.
297: &Apache::edit::end_table();
1.37 albertel 298: }
299: if ($target eq "modified" ) {
1.103 albertel 300: $result=$token->[4].&Apache::edit::modifiedfield("/parserlib",$parser);
1.7 albertel 301: }
302: return $result;
1.4 albertel 303: }
304:
305: sub end_parserlib {
1.40 albertel 306: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49 albertel 307: my @result;
308: if ($target eq "edit" ) { $result[1]='no'; }
309: return @result;
1.6 albertel 310: }
311:
1.30 sakharuk 312: sub start_window {
1.105 albertel 313: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
314: my $result = '';
1.137 albertel 315: if ($target eq 'web' || $target eq 'webgrade') {
1.105 albertel 316: &Apache::lonxml::startredirection;
317: } elsif ($target eq 'tex') {
318: $result = '\unskip\footnote{';
319: } elsif ($target eq 'edit') {
320: $result.=&Apache::edit::tag_start($target,$token);
321: $result.=&Apache::edit::text_arg('Text of Link:','linktext',$token,70);
1.131 albertel 322: $result.=&Apache::edit::text_arg('Height:','height',$token,5);
323: $result.=&Apache::edit::text_arg('Width:','width',$token,5);
1.105 albertel 324: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
325: } elsif ($target eq 'modified') {
326: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.129 raeburn 327: $safeeval,'linktext',
1.105 albertel 328: 'width','height');
329: if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
330: }
331: return $result;
1.19 sakharuk 332: }
333:
1.30 sakharuk 334: sub end_window {
1.40 albertel 335: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.30 sakharuk 336: my $result;
1.137 albertel 337: if ($target eq 'web' || $target eq 'webgrade') {
1.34 albertel 338: my $output=&Apache::lonxml::endredirection;
1.97 albertel 339: $output =~ s/[\n\r]/ /g;
1.98 albertel 340: # $output = &HTML::Entities::encode($output,'<>&"\'');
341: $output =~ s/\'/\\\'/g;
1.92 albertel 342: my $linktext= &Apache::lonxml::get_param('linktext',$parstack,$safeeval);
343: if (!$linktext) { $linktext='<sup>*</sup>'; }
344: my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
345: if (!$width) { $width='500'; }
346: my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
347: if (!$height) { $height='200'; }
1.135 albertel 348:
349: my $start_page =
350: &Apache::loncommon::start_page($linktext, undef,
351: {'only_body' => 1,
352: 'bgcolor' => '#FFFFFF',
353: 'js_ready' => 1,});
354: my $end_page =
355: &Apache::loncommon::end_page({'js_ready' => 1,});
1.136 albertel 356: $result = "<script type=\"text/javascript\">
357: //<!--
358: function LONCAPA_newwindow_$Apache::lonxml::curdepth() {
359: newWindow=open(".&Apache::lonhtmlcommon::javascript_nothing().",'new_W','width=$width,height=$height,scrollbars=1');
360: newWindow.".&Apache::lonhtmlcommon::javascript_docopen().";
361: newWindow.document.writeln('$start_page $output $end_page');
362: newWindow.document.close();}
363: //-->
364: </script><a href=\"javascript:LONCAPA_newwindow_$Apache::lonxml::curdepth();void(0);\">$linktext</a>";
1.35 sakharuk 365: } elsif ($target eq 'tex') {
366: $result = '}';
1.30 sakharuk 367: } else {
1.35 sakharuk 368: $result = '';
1.30 sakharuk 369: }
1.20 sakharuk 370: return $result;
1.19 sakharuk 371: }
372:
1.6 albertel 373: sub start_import {
1.40 albertel 374: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.31 albertel 375: my $bodytext=$$parser[$#$parser]->get_text("/import");
1.7 albertel 376: my $result ="";
1.13 albertel 377:
378: $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
1.14 albertel 379:
1.135 albertel 380: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade'
381: || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze' ) {
1.46 albertel 382: # FIXME this probably needs to be smart about construction vs.
383: # non construction space.
384: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
385: my $file=&Apache::lonnet::getfile($location);
386: if ($file == -1) {
387: &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
388: return "";
389: }
1.13 albertel 390:
1.46 albertel 391: my $dir=$location;
392: $dir=~s:/[^/]*$::;
393: # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
1.142 ! albertel 394: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.57 albertel 395: if (!$id) { $id=$Apache::lonxml::curdepth; }
396: push(@Apache::inputtags::import,$id);
1.90 albertel 397: push(@Apache::inputtags::importlist,$id);
1.87 sakharuk 398:
399: &Apache::lonxml::newparser($parser,\$file,$dir);
400:
1.56 albertel 401: } elsif ($target eq "edit" ) {
1.46 albertel 402: $result.=&Apache::edit::tag_start($target,$token);
1.68 albertel 403: $result.=&Apache::edit::editline($token->[1],$bodytext,'',40);
1.83 matthew 404: $result.=&Apache::edit::browse(undef,'textnode');
1.46 albertel 405: #FIXME this need to convert $bodytext to be a contruction space reference
406: #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
407: #$result.="Click<a href=\"$location\">here</a> to edit<br />"
1.56 albertel 408: } elsif ($target eq 'modified') {
1.103 albertel 409: $result=$token->[4].&Apache::edit::modifiedfield("/import",$parser);
1.56 albertel 410: } elsif ($target eq 'meta') {
1.142 ! albertel 411: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.57 albertel 412: $result.='<import part="'.$Apache::inputtags::part;
413: if ($id) {
414: $result.='" id="'.$id;
415: }
416: $result.='">';
1.56 albertel 417: $result.=$bodytext;
418: $result.='</import>';
1.46 albertel 419: }
420: return $result;
1.6 albertel 421: }
422:
423: sub end_import {
1.69 albertel 424: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.57 albertel 425: pop(@Apache::inputtags::import);
1.69 albertel 426: my $result;
1.120 albertel 427: if ($target eq 'edit' ) { $result=&Apache::edit::end_row.
428: &Apache::edit::end_table(); }
1.69 albertel 429: return $result;
1.1 albertel 430: }
1.42 sakharuk 431:
432: sub start_storetc {
1.43 albertel 433: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42 sakharuk 434: my $result = '';
435: &Apache::lonxml::startredirection;
436: return $result;
437: }
438:
439: sub end_storetc {
1.43 albertel 440: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42 sakharuk 441: my $result;
442: my $output=&Apache::lonxml::endredirection;
443: $output =~ s/\"/\"\;/g;
1.52 albertel 444: $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
445: return $result;
1.42 sakharuk 446: }
447:
448:
449: sub start_physnet {
1.45 sakharuk 450: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.50 www 451: my $bodytext = '/adm/includes/physnet.sty';
1.45 sakharuk 452: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
453: my $cbistyletext=&Apache::lonnet::getfile($location);
1.42 sakharuk 454:
1.45 sakharuk 455: %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
1.59 albertel 456: $$parser['-1']->unget_token($token);
457: # if ( defined($$style{'physnet'}) ) {
458: # &Apache::lonxml::newparser($parser,\$$style{'physnet'});
459: # }
1.45 sakharuk 460: return "";
461: }
1.42 sakharuk 462:
1.45 sakharuk 463: sub end_physnet {
1.47 albertel 464: return '';
1.42 sakharuk 465: }
1.62 albertel 466:
467: sub start_standalone {
468: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.75 albertel 469: my $result='';
1.137 albertel 470: if ($target eq 'web' || $target eq 'webgrade') {
1.126 albertel 471: if ( $env{'request.course.id'} ) {
1.133 albertel 472: my $inside = &Apache::lonxml::get_all_text("/standalone",$parser,$style);
1.75 albertel 473: } else {
474: $result='<table bgcolor="#E1E1E1" border="2"><tr><td>';
475: }
1.62 albertel 476: }
1.75 albertel 477: return $result;
1.62 albertel 478: }
479:
480: sub end_standalone {
1.75 albertel 481: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
482: my $result='';
1.137 albertel 483: if ($target eq 'web' || $target eq 'webgrade' ) {
1.126 albertel 484: if ( $env{'request.course.id'} ) {
1.75 albertel 485: } else {
486: $result='</td></tr></table>';
487: }
488: }
489: return $result;
1.74 albertel 490: }
491:
492: sub start_comment {
493: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
494: my $result='';
495: if ($target eq 'edit') {
496: $result=&Apache::edit::tag_start($target,$token);
1.133 albertel 497: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style);
1.77 albertel 498: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4)
1.74 albertel 499: } elsif ( $target eq 'modified') {
1.103 albertel 500: $result=$token->[4].&Apache::edit::modifiedfield("/comment",$parser);
1.137 albertel 501: } elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
502: $target eq 'answer' || $target eq 'meta' || $target eq 'analyze' ||
503: $target eq 'webgrade') {
1.74 albertel 504: #normally throw away comments
1.133 albertel 505: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style);
1.74 albertel 506: }
507: return $result;
508: }
509:
510: sub end_comment {
511: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
512: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
1.62 albertel 513: return '';
514: }
515:
1.42 sakharuk 516:
1.47 albertel 517: sub xmlparse {
518: my ($string) = @_;
1.111 albertel 519: &Apache::lonxml::debug("xmlparse recursion starting with $string");
1.113 albertel 520: # Apache::run::evaluate does an 'eval' on the name of the subroutine
521: # if it detects something that looks like a subroutine, this ends up calling
522: # things without any arguments and since perl is nice enough to pass
523: # along the default arguments when you don't explicitly say no arguments
524: # if you call &xmlparse, it gets &xmlparse passed as it argument.
525: # Same thing soccurs with &chemparse.
1.111 albertel 526: if ($string eq '&xmlparse') { return '&xmlparse'; }
1.113 albertel 527: if ($string eq '&chemparse') { return '&chemparse'; }
1.47 albertel 528: my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
529: @Apache::scripttag::parser_env;
530: my @parser;
531: &Apache::lonxml::newparser(\@parser,\$string);
1.132 albertel 532: &Apache::lonxml::startredirection();
1.47 albertel 533: my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
534: $parstack,\@parser,
535: $safeeval,$style);
1.132 albertel 536: $result.=&Apache::lonxml::endredirection();
1.122 albertel 537: &Apache::lonxml::debug("target is $target xmlparse recursion ending with $result");
1.47 albertel 538: return $result;
539: }
1.3 albertel 540:
1.122 albertel 541: sub start_num {
542: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
543: my $result = '';
544: my $inside = &Apache::lonxml::get_all_text_unbalanced("/num",$parser);
1.137 albertel 545: if ($target eq 'tex' || $target eq 'web' || $target eq 'webgrade') {
1.122 albertel 546: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
547: if (!$Apache::lonxml::default_homework_loaded) {
548: &Apache::lonxml::default_homework_load($safeeval);
549: }
550: @Apache::scripttag::parser_env = @_;
551: my $format=&Apache::lonxml::get_param('format',$parstack,$safeeval);
552: $result=&Apache::run::run("return &prettyprint(q\0$inside\0,q\0$format\0);",$safeeval);
553: }
554: return $result;
555: }
556:
557: sub end_num {
558: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
559: my $result = '';
560: return $result;
561: }
562:
563: sub start_parse {
564: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
565: my $result = '';
1.137 albertel 566: if ( $target eq 'web' || $target eq 'tex' ||
567: $target eq 'grade' || $target eq 'answer' ||
568: $target eq 'analyze'|| $target eq 'webgrade') {
1.122 albertel 569: my $inside = &Apache::lonxml::get_all_text_unbalanced("/parse",$parser);
570: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
571: if (!$Apache::lonxml::default_homework_loaded) {
572: &Apache::lonxml::default_homework_load($safeeval);
573: }
574: @Apache::scripttag::parser_env = @_;
575: $result=&Apache::run::run("return &xmlparse(q\0$inside\0);",$safeeval);
1.134 albertel 576: if ($target eq 'grade' || $target eq 'answer' ||
577: $target eq 'analyze') {
578: # grade/answer/analyxe should produce no output but if we
579: # are redirecting, the redirecter should know what to do
580: # with the output
581: if (!$Apache::lonxml::redirection) { $result=''; }
582: }
1.122 albertel 583: }
584: return $result;
585: }
586:
587: sub end_parse {
588: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
589: my $result = '';
590: return $result;
591: }
1.123 albertel 592:
593: sub start_algebra {
594: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
595: my $result = '';
1.137 albertel 596: if ( $target eq 'web' || $target eq 'tex' ||
597: $target eq 'grade' || $target eq 'answer' ||
598: $target eq 'analyze' || $target eq 'webgrade') {
1.123 albertel 599: my $inside = &Apache::lonxml::get_all_text_unbalanced("/algebra",$parser);
600: $inside = &Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
601: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.125 albertel 602: my $style=&Apache::lonxml::get_param('style',$parstack,$safeeval);
603: $result=&Apache::lontexconvert::algebra($inside,$target,$style);
1.123 albertel 604: }
605: $Apache::lonxml::post_evaluate=0;
606: }
607: return $result;
608: }
609:
610: sub end_algebra {
611: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
612: my $result = '';
613: return $result;
614: }
615:
1.1 albertel 616: 1;
617: __END__
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