Annotation of loncom/xml/scripttag.pm, revision 1.158
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # <script> definiton
1.58 www 3: #
1.158 ! www 4: # $Id: scripttag.pm,v 1.157 2010/08/08 03:00:56 raeburn 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;
1.145 albertel 33: use Apache::lonlocal;
34: use Apache::style();
1.1 albertel 35:
1.47 albertel 36: #Globals
37: # this used to pass around the standard callsub arguments to a tag func
38: # so xmlparse can reenter the inner_xmlparse loop.
39:
40: @Apache::scripttag::parser_env = ();
1.61 harris41 41: BEGIN {
1.62 albertel 42: &Apache::lonxml::register('Apache::scripttag',
43: ('script','scriptlib','parserlib','import',
44: 'window','display','storetc','physnet',
1.123 albertel 45: 'standalone','comment','num','parse','algebra',
1.86 albertel 46: 'LONCAPA_INTERNAL_TURN_STYLE_ON',
1.150 raeburn 47: 'LONCAPA_INTERNAL_TURN_STYLE_OFF'));
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: $Apache::lonxml::style_end_values='';
75: }
76: return ('','no');
77: }
78:
79: sub end_LONCAPA_INTERNAL_TURN_STYLE_OFF {
1.86 albertel 80: return ('','no');
81: }
82:
1.1 albertel 83: sub start_script {
1.40 albertel 84: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.47 albertel 85: @Apache::scripttag::parser_env = @_;
1.24 albertel 86: my $result='';
1.39 albertel 87: my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
88: &Apache::lonxml::debug("found type of $type");
1.17 albertel 89: if ($type eq "loncapa/perl") {
90: if ( $target eq "modified" ) {
1.103 albertel 91: $result=$token->[4].&Apache::edit::modifiedfield('/script',$parser);
1.54 albertel 92: } elsif ( $target eq 'web' || $target eq 'tex' ||
1.130 albertel 93: $target eq 'grade' || $target eq 'webgrade' ||
94: $target eq 'answer' || $target eq 'analyze' ) {
1.107 albertel 95: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.79 albertel 96: if (!$Apache::lonxml::default_homework_loaded) {
97: &Apache::lonxml::default_homework_load($safeeval);
98: }
99: &Apache::run::run($bodytext,$safeeval);
1.88 albertel 100: if (($target eq 'answer') &&
1.126 albertel 101: ($env{'form.answer_output_mode'} ne 'tex') &&
1.88 albertel 102: ($Apache::lonhomework::viewgrades == 'F')) {
1.79 albertel 103: $Apache::lonxml::evaluate--;
1.138 albertel 104: my (undef,undef,$udom,$uname)=&Apache::lonnet::whichuser();
1.118 www 105: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1.135 albertel 106: my $start_page =
107: &Apache::loncommon::start_page('Script Vars', undef,
108: {'only_body' => 1,
109: 'bgcolor' => '#FFFFFF',
110: 'js_ready' => 1,});
111: my $end_page =
112: &Apache::loncommon::end_page({'js_ready' => 1,});
113:
1.140 albertel 114: $uname =~s/\W//g;
115: $udom =~s/\W//g;
1.145 albertel 116: my $function_name =
117: join('_','LONCAPA_scriptvars',$uname,$udom,
118: $env{'form.counter'},$Apache::lonxml::curdepth);
1.158 ! www 119: my $scriptblocklog=$start_page.
! 120: &Apache::loncommon::start_scrollbox('500px','480px','480px').
! 121: '<pre>'.&Apache::run::dump($target,$safeeval).'</pre>'.
! 122: &Apache::loncommon::end_scrollbox().
! 123: $end_page;
! 124: $scriptblocklog=~s/\'/\\'/gs;
! 125: &Apache::lonxml::add_script_result(
! 126: &Apache::loncommon::modal_adhoc_script($function_name,500,500,$scriptblocklog).
! 127: "<a href=\"javascript:$function_name();void(0);\">".&mt('Script Vars')."</a><br />"
! 128: );
1.79 albertel 129: }
1.28 albertel 130: } elsif ($target eq "edit" ) {
1.41 albertel 131: #&Apache::run::run($bodytext,$safeeval);
132: #$result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
1.107 albertel 133: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.103 albertel 134: $result=&Apache::edit::tag_start($target,$token,'Script');
135: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4);
1.107 albertel 136: } elsif ($target eq 'meta') {
137: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.17 albertel 138: }
139: } else {
1.108 matthew 140: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
1.144 albertel 141: if ($target ne "meta" && $target ne 'tex' && $target ne 'answer') {
1.112 albertel 142: $result = $token->[4];
143: $result.=$bodytext;
144: }
1.13 albertel 145: }
1.24 albertel 146: return $result;
1.17 albertel 147: }
1.13 albertel 148:
1.17 albertel 149: sub end_script {
1.40 albertel 150: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.28 albertel 151: if ( $target eq "meta" ) { return ''; }
1.39 albertel 152: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
1.29 albertel 153: my $result='';
154: #other script blocks need to survive
1.115 albertel 155: if ($type ne "loncapa/perl" && $target ne 'tex') {
1.53 albertel 156: return $token->[2];
157: } elsif ($target eq 'edit' ) {
158: return &Apache::edit::end_table();
1.78 albertel 159: } elsif ($target eq 'answer') {
1.53 albertel 160: $Apache::lonxml::evaluate++;
161: }
1.28 albertel 162: return '';
1.24 albertel 163: }
164:
165: sub start_display {
1.40 albertel 166: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.119 albertel 167: @Apache::scripttag::parser_env = @_;
1.48 albertel 168: my $result;
1.39 albertel 169:
1.24 albertel 170: if ( $target eq "modified" ) {
1.103 albertel 171: $result=$token->[4].&Apache::edit::modifiedfield("/display",$parser);
1.54 albertel 172: } elsif ( $target eq 'web' || $target eq 'tex' ||
1.130 albertel 173: $target eq 'grade' || $target eq 'webgrade' ||
174: $target eq 'answer' || $target eq 'analyze') {
1.107 albertel 175: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
1.80 albertel 176: if (!$Apache::lonxml::default_homework_loaded) {
177: &Apache::lonxml::default_homework_load($safeeval);
178: }
179: $result=&Apache::run::run($bodytext,$safeeval);
180: if ($target eq 'grade' || $target eq 'answer' ||
181: $target eq 'analyze') {
1.114 albertel 182: # grade/answer/analyxe should produce no output but if we
183: # are redirecting, the redirecter should know what to do
184: # with the output
185: if (!$Apache::lonxml::redirection) { $result=''; }
1.80 albertel 186: }
1.101 albertel 187: $Apache::lonxml::post_evaluate=0;
1.48 albertel 188: } elsif ($target eq "edit" ) {
1.110 albertel 189: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
1.48 albertel 190: #$result =
191: # "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
192: #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
193: $result=&Apache::edit::tag_start($target,$token,'Script With Display');
1.77 albertel 194: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,1)
1.107 albertel 195: } elsif ($target eq 'meta') {
196: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
1.24 albertel 197: }
198: return $result;
199: }
200:
201: sub end_display {
1.48 albertel 202: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
203: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
204: return '';
1.1 albertel 205: }
1.3 albertel 206:
207: sub start_scriptlib {
1.40 albertel 208: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37 albertel 209: my $bodytext;
210: my $result ='';
211: my $error='';
212:
1.106 albertel 213: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
214: $target eq 'meta' || $target eq 'edit' || $target eq 'answer' ||
1.137 albertel 215: $target eq 'analyze' || $target eq 'webgrade') {
1.37 albertel 216: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
217: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
218: $$parstack[$#$parstack]);
219: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
220: $bodytext);
221: my $script=&Apache::lonnet::getfile($location);
222: if ($script == -1) {
223: if ($target eq 'edit') {
1.145 albertel 224: $error='</tr><tr><td>'.&mt('Errors').'</td><td colspan="2"><b>'.&mt(' Unable to find [_1]','<span class="LC_filename">'.$location.'</span>').'</b></td>'."\n";
1.37 albertel 225: } else {
226: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
227: return "";
228: }
229: }
230: &Apache::run::run($script,$safeeval);
231: #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
1.18 albertel 232: }
1.13 albertel 233: if ($target eq "edit" ) {
1.37 albertel 234: $result=
1.49 albertel 235: &Apache::edit::tag_start($target,$token,'New Script Functions').
1.83 matthew 236: &Apache::edit::editline($token->[1],$bodytext,'scriptlib',40).
237: &Apache::edit::browse(undef,'textnode').
1.49 albertel 238: $error.'</td></tr>'.
239: &Apache::edit::end_table();
1.37 albertel 240: }
241: if ($target eq "modified" ) {
1.103 albertel 242: $result=$token->[4].&Apache::edit::modifiedfield("/scriptlib",$parser);
1.3 albertel 243: }
244: return $result;
245: }
246:
1.37 albertel 247: sub end_scriptlib {
1.40 albertel 248: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49 albertel 249: my @result;
250: if ($target eq "edit" ) { $result[1]='no'; }
251: return @result;
1.37 albertel 252: }
1.4 albertel 253:
254: sub start_parserlib {
1.40 albertel 255: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37 albertel 256: my $bodytext;
1.7 albertel 257: my $result ="";
1.37 albertel 258: my $error='';
1.106 albertel 259: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
260: $target eq 'meta' || $target eq 'edit' || $target eq 'answer' ||
1.137 albertel 261: $target eq 'analyze' || $target eq 'webgrade') {
1.37 albertel 262: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
263: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
264: $$parstack[$#$parstack]);
265: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
266: $bodytext);
267: my $styletext=&Apache::lonnet::getfile($location);
268: #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
269: if ($styletext == -1) {
270: if ($target eq 'edit') {
271: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
272: } else {
273: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
274: return "";
275: }
276: }
277: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
1.18 albertel 278: }
1.13 albertel 279: if ($target eq "edit" ) {
1.37 albertel 280: $result=
1.49 albertel 281: &Apache::edit::tag_start($target,$token,'New Tag Definitions').
1.68 albertel 282: &Apache::edit::editline($token->[1],$bodytext,'',40).
1.49 albertel 283: $error.'</td></tr>'.
284: &Apache::edit::end_table();
1.37 albertel 285: }
286: if ($target eq "modified" ) {
1.103 albertel 287: $result=$token->[4].&Apache::edit::modifiedfield("/parserlib",$parser);
1.7 albertel 288: }
289: return $result;
1.4 albertel 290: }
291:
292: sub end_parserlib {
1.40 albertel 293: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49 albertel 294: my @result;
295: if ($target eq "edit" ) { $result[1]='no'; }
296: return @result;
1.6 albertel 297: }
298:
1.30 sakharuk 299: sub start_window {
1.105 albertel 300: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
301: my $result = '';
1.137 albertel 302: if ($target eq 'web' || $target eq 'webgrade') {
1.105 albertel 303: &Apache::lonxml::startredirection;
304: } elsif ($target eq 'tex') {
305: $result = '\unskip\footnote{';
306: } elsif ($target eq 'edit') {
307: $result.=&Apache::edit::tag_start($target,$token);
308: $result.=&Apache::edit::text_arg('Text of Link:','linktext',$token,70);
1.131 albertel 309: $result.=&Apache::edit::text_arg('Height:','height',$token,5);
310: $result.=&Apache::edit::text_arg('Width:','width',$token,5);
1.146 albertel 311: $result.=&Apache::edit::text_arg('Mime Type:','mimetype',$token,5);
1.105 albertel 312: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
313: } elsif ($target eq 'modified') {
314: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.129 raeburn 315: $safeeval,'linktext',
1.146 albertel 316: 'width','height',
317: 'mimetype');
1.105 albertel 318: if ($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 $result;
1.137 albertel 326: if ($target eq 'web' || $target eq 'webgrade') {
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'; }
1.146 albertel 337: my $mimetype= &Apache::lonxml::get_param('mimetype',$parstack,$safeeval)
338: || 'text/html';
1.135 albertel 339:
1.146 albertel 340: my ($start_page,$end_page);
341: if ($mimetype eq 'text/html') {
342: $start_page =
343: &Apache::loncommon::start_page($linktext, undef,
344: {'only_body' => 1,
345: 'bgcolor' => '#FFFFFF',
346: 'js_ready' => 1,});
347: $end_page =
348: &Apache::loncommon::end_page({'js_ready' => 1,});
349: }
1.136 albertel 350: $result = "<script type=\"text/javascript\">
351: //<!--
352: function LONCAPA_newwindow_$Apache::lonxml::curdepth() {
1.147 albertel 353: newWindow=open(".&Apache::lonhtmlcommon::javascript_nothing().",'new_W');
354: newWindow.close();
1.136 albertel 355: newWindow=open(".&Apache::lonhtmlcommon::javascript_nothing().",'new_W','width=$width,height=$height,scrollbars=1');
1.146 albertel 356: newWindow.".&Apache::lonhtmlcommon::javascript_docopen($mimetype).";
1.136 albertel 357: newWindow.document.writeln('$start_page $output $end_page');
358: newWindow.document.close();}
359: //-->
360: </script><a href=\"javascript:LONCAPA_newwindow_$Apache::lonxml::curdepth();void(0);\">$linktext</a>";
1.35 sakharuk 361: } elsif ($target eq 'tex') {
362: $result = '}';
1.30 sakharuk 363: } else {
1.35 sakharuk 364: $result = '';
1.30 sakharuk 365: }
1.20 sakharuk 366: return $result;
1.19 sakharuk 367: }
368:
1.6 albertel 369: sub start_import {
1.40 albertel 370: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.31 albertel 371: my $bodytext=$$parser[$#$parser]->get_text("/import");
1.7 albertel 372: my $result ="";
1.13 albertel 373:
1.153 www 374: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
1.14 albertel 375:
1.135 albertel 376: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade'
377: || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze' ) {
1.46 albertel 378: # FIXME this probably needs to be smart about construction vs.
379: # non construction space.
380: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
381: my $file=&Apache::lonnet::getfile($location);
382: if ($file == -1) {
383: &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
384: return "";
385: }
1.153 www 386: my $importmode=&Apache::lonxml::get_param('importmode',$parstack,$safeeval);
1.154 www 387: if (($importmode eq 'problem') || ($importmode eq 'part')) {
388: # We are using import to import published problems
389: if (($importmode eq 'problem') || ($file=~/<part[^<]*>/s)) {
390: # We explicitly don't want this to be a separate part or the problem already has parts
391: $file=~s/^\s*<problem>/<library>/s;
392: $file=~s/<\/problem>\s*$/<\/library>/s;
393: } else {
394: # We want this to be a separate part, but it currently is not
1.155 www 395: $file=~s/^\s*<problem>/<library><part>/s;
1.154 www 396: $file=~s/<\/problem>\s*$/<\/part><\/library>/s;
397: }
1.153 www 398: }
1.46 albertel 399: my $dir=$location;
400: $dir=~s:/[^/]*$::;
401: # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
1.142 albertel 402: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.57 albertel 403: if (!$id) { $id=$Apache::lonxml::curdepth; }
404: push(@Apache::inputtags::import,$id);
1.90 albertel 405: push(@Apache::inputtags::importlist,$id);
1.87 sakharuk 406:
1.144 albertel 407: &Apache::lonxml::newparser($parser,\$file,$dir);
1.87 sakharuk 408:
1.56 albertel 409: } elsif ($target eq "edit" ) {
1.46 albertel 410: $result.=&Apache::edit::tag_start($target,$token);
1.153 www 411: my $location=$token->[1];
412: $location=~s/^\s*//s;
413: $location=~s/\s*$//s;
414: $result.=&Apache::edit::editline($location,$bodytext,'',40);
1.83 matthew 415: $result.=&Apache::edit::browse(undef,'textnode');
1.154 www 416: $result.= ' <label>'.&mt('Import as:').
1.153 www 417: '<select name="importmode_'.$Apache::lonxml::curdepth.'">';
1.154 www 418: my %options=&Apache::lonlocal::texthash('' => 'as standard library',
419: 'problem' => 'as problem',
420: 'part' => 'as problem part(s)');
421: foreach my $option (sort(keys(%options))) {
1.153 www 422: $result.='<option value="'.$option.'"';
423: if ($option eq &Apache::lonxml::get_param('importmode',$parstack,$safeeval)) {
424: $result.=' selected="selected"';
425: }
1.154 www 426: $result.='>'.$options{$option}.'</option>';
1.153 www 427: }
428: $result.='</select></label>';
1.46 albertel 429: #FIXME this need to convert $bodytext to be a contruction space reference
430: #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
431: #$result.="Click<a href=\"$location\">here</a> to edit<br />"
1.56 albertel 432: } elsif ($target eq 'modified') {
1.153 www 433: &Apache::edit::get_new_args($token,$parstack,$safeeval,'importmode');
434: $result='<import id="'.$token->[2]{'id'}.'" importmode="'.$token->[2]{'importmode'}.'">';
435: $result.=&Apache::edit::modifiedfield("/import",$parser);
1.56 albertel 436: } elsif ($target eq 'meta') {
1.142 albertel 437: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
1.57 albertel 438: $result.='<import part="'.$Apache::inputtags::part;
439: if ($id) {
440: $result.='" id="'.$id;
441: }
1.156 www 442: $result.='" importmode="'.$token->[2]{'importmode'}.'">';
1.56 albertel 443: $result.=$bodytext;
444: $result.='</import>';
1.46 albertel 445: }
446: return $result;
1.6 albertel 447: }
448:
449: sub end_import {
1.69 albertel 450: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.57 albertel 451: pop(@Apache::inputtags::import);
1.69 albertel 452: my $result;
1.120 albertel 453: if ($target eq 'edit' ) { $result=&Apache::edit::end_row.
454: &Apache::edit::end_table(); }
1.69 albertel 455: return $result;
1.1 albertel 456: }
1.42 sakharuk 457:
458: sub start_storetc {
1.43 albertel 459: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42 sakharuk 460: my $result = '';
461: &Apache::lonxml::startredirection;
462: return $result;
463: }
464:
465: sub end_storetc {
1.43 albertel 466: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42 sakharuk 467: my $result;
468: my $output=&Apache::lonxml::endredirection;
469: $output =~ s/\"/\"\;/g;
1.52 albertel 470: $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
471: return $result;
1.42 sakharuk 472: }
473:
474:
475: sub start_physnet {
1.45 sakharuk 476: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.50 www 477: my $bodytext = '/adm/includes/physnet.sty';
1.45 sakharuk 478: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
479: my $cbistyletext=&Apache::lonnet::getfile($location);
1.42 sakharuk 480:
1.45 sakharuk 481: %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
1.59 albertel 482: $$parser['-1']->unget_token($token);
483: # if ( defined($$style{'physnet'}) ) {
484: # &Apache::lonxml::newparser($parser,\$$style{'physnet'});
485: # }
1.45 sakharuk 486: return "";
487: }
1.42 sakharuk 488:
1.45 sakharuk 489: sub end_physnet {
1.47 albertel 490: return '';
1.42 sakharuk 491: }
1.62 albertel 492:
493: sub start_standalone {
494: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.75 albertel 495: my $result='';
1.137 albertel 496: if ($target eq 'web' || $target eq 'webgrade') {
1.126 albertel 497: if ( $env{'request.course.id'} ) {
1.133 albertel 498: my $inside = &Apache::lonxml::get_all_text("/standalone",$parser,$style);
1.75 albertel 499: } else {
500: $result='<table bgcolor="#E1E1E1" border="2"><tr><td>';
501: }
1.62 albertel 502: }
1.75 albertel 503: return $result;
1.62 albertel 504: }
505:
506: sub end_standalone {
1.75 albertel 507: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
508: my $result='';
1.137 albertel 509: if ($target eq 'web' || $target eq 'webgrade' ) {
1.126 albertel 510: if ( $env{'request.course.id'} ) {
1.75 albertel 511: } else {
512: $result='</td></tr></table>';
513: }
514: }
515: return $result;
1.74 albertel 516: }
517:
518: sub start_comment {
519: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
520: my $result='';
521: if ($target eq 'edit') {
522: $result=&Apache::edit::tag_start($target,$token);
1.133 albertel 523: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style);
1.77 albertel 524: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4)
1.74 albertel 525: } elsif ( $target eq 'modified') {
1.103 albertel 526: $result=$token->[4].&Apache::edit::modifiedfield("/comment",$parser);
1.137 albertel 527: } elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
528: $target eq 'answer' || $target eq 'meta' || $target eq 'analyze' ||
529: $target eq 'webgrade') {
1.74 albertel 530: #normally throw away comments
1.133 albertel 531: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style);
1.74 albertel 532: }
533: return $result;
534: }
535:
536: sub end_comment {
537: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
538: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
1.62 albertel 539: return '';
540: }
541:
1.42 sakharuk 542:
1.47 albertel 543: sub xmlparse {
544: my ($string) = @_;
1.111 albertel 545: &Apache::lonxml::debug("xmlparse recursion starting with $string");
1.113 albertel 546: # Apache::run::evaluate does an 'eval' on the name of the subroutine
547: # if it detects something that looks like a subroutine, this ends up calling
548: # things without any arguments and since perl is nice enough to pass
549: # along the default arguments when you don't explicitly say no arguments
550: # if you call &xmlparse, it gets &xmlparse passed as it argument.
551: # Same thing soccurs with &chemparse.
1.111 albertel 552: if ($string eq '&xmlparse') { return '&xmlparse'; }
1.113 albertel 553: if ($string eq '&chemparse') { return '&chemparse'; }
1.47 albertel 554: my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
555: @Apache::scripttag::parser_env;
556: my @parser;
557: &Apache::lonxml::newparser(\@parser,\$string);
1.132 albertel 558: &Apache::lonxml::startredirection();
1.47 albertel 559: my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
560: $parstack,\@parser,
561: $safeeval,$style);
1.132 albertel 562: $result.=&Apache::lonxml::endredirection();
1.122 albertel 563: &Apache::lonxml::debug("target is $target xmlparse recursion ending with $result");
1.47 albertel 564: return $result;
565: }
1.3 albertel 566:
1.122 albertel 567: sub start_num {
568: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
569: my $result = '';
570: my $inside = &Apache::lonxml::get_all_text_unbalanced("/num",$parser);
1.137 albertel 571: if ($target eq 'tex' || $target eq 'web' || $target eq 'webgrade') {
1.122 albertel 572: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
573: if (!$Apache::lonxml::default_homework_loaded) {
574: &Apache::lonxml::default_homework_load($safeeval);
575: }
576: @Apache::scripttag::parser_env = @_;
577: my $format=&Apache::lonxml::get_param('format',$parstack,$safeeval);
578: $result=&Apache::run::run("return &prettyprint(q\0$inside\0,q\0$format\0);",$safeeval);
579: }
580: return $result;
581: }
582:
583: sub end_num {
584: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
585: my $result = '';
586: return $result;
587: }
588:
589: sub start_parse {
590: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
591: my $result = '';
1.137 albertel 592: if ( $target eq 'web' || $target eq 'tex' ||
593: $target eq 'grade' || $target eq 'answer' ||
594: $target eq 'analyze'|| $target eq 'webgrade') {
1.122 albertel 595: my $inside = &Apache::lonxml::get_all_text_unbalanced("/parse",$parser);
596: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
597: if (!$Apache::lonxml::default_homework_loaded) {
598: &Apache::lonxml::default_homework_load($safeeval);
599: }
600: @Apache::scripttag::parser_env = @_;
601: $result=&Apache::run::run("return &xmlparse(q\0$inside\0);",$safeeval);
1.134 albertel 602: if ($target eq 'grade' || $target eq 'answer' ||
603: $target eq 'analyze') {
604: # grade/answer/analyxe should produce no output but if we
605: # are redirecting, the redirecter should know what to do
606: # with the output
607: if (!$Apache::lonxml::redirection) { $result=''; }
608: }
1.122 albertel 609: }
610: return $result;
611: }
612:
613: sub end_parse {
614: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
615: my $result = '';
616: return $result;
617: }
1.123 albertel 618:
619: sub start_algebra {
620: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
621: my $result = '';
1.137 albertel 622: if ( $target eq 'web' || $target eq 'tex' ||
623: $target eq 'grade' || $target eq 'answer' ||
624: $target eq 'analyze' || $target eq 'webgrade') {
1.123 albertel 625: my $inside = &Apache::lonxml::get_all_text_unbalanced("/algebra",$parser);
626: $inside = &Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
627: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
1.125 albertel 628: my $style=&Apache::lonxml::get_param('style',$parstack,$safeeval);
1.157 raeburn 629: $result=&Apache::lontexconvert::algebra($inside,$target,$style,$parstack,$safeeval);
1.123 albertel 630: }
631: $Apache::lonxml::post_evaluate=0;
632: }
633: return $result;
634: }
635:
636: sub end_algebra {
637: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
638: my $result = '';
639: return $result;
640: }
641:
1.1 albertel 642: 1;
643: __END__
1.149 jms 644:
645: =pod
646:
647: =head1 NAME
648:
649: Apache::scripttag.pm
650:
651: =head1 SYNOPSIS
652:
653: implements <script>, <scriptlib>, <parserlib>,
654: and <import>
655:
656: This is part of the LearningOnline Network with CAPA project
657: described at http://www.lon-capa.org.
658:
659: =cut
660:
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