1: # The LearningOnline Network with CAPA
2: # <script> definiton
3: #
4: # $Id: scripttag.pm,v 1.176 2023/11/07 12:26:01 raeburn Exp $
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: #
28:
29: package Apache::scripttag;
30:
31: use strict;
32: use Apache::lonnet;
33: use Apache::loncommon;
34: use Apache::lonlocal;
35: use Apache::lonxml();
36: use Apache::londefdef();
37: use Apache::style();
38:
39: #Globals
40: # this used to pass around the standard callsub arguments to a tag func
41: # so xmlparse can reenter the inner_xmlparse loop.
42:
43: @Apache::scripttag::parser_env = ();
44: BEGIN {
45: &Apache::lonxml::register('Apache::scripttag',
46: ('script','scriptlib','parserlib','import',
47: 'window','windowlink','togglebox','display','storetc','physnet',
48: 'standalone','comment','num','parse','algebra',
49: 'LONCAPA_INTERNAL_TURN_STYLE_ON',
50: 'LONCAPA_INTERNAL_TURN_STYLE_OFF'));
51: }
52:
53: sub start_LONCAPA_INTERNAL_TURN_STYLE_ON {
54: $Apache::lonxml::usestyle=1;
55: $Apache::lonxml::style_values='';
56: return ('','no');
57: }
58:
59: sub end_LONCAPA_INTERNAL_TURN_STYLE_ON {
60: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
61: my $end=&Apache::lonxml::get_param('end',$parstack,$safeeval);
62: if (defined($end)) {
63: &Apache::lonxml::end_tag($tagstack,$parstack,$token);
64: }
65: return ('','no');
66: }
67:
68: sub start_LONCAPA_INTERNAL_TURN_STYLE_OFF {
69: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
70: $Apache::lonxml::usestyle=0;
71: my $end=&Apache::lonxml::get_param('end',$parstack,$safeeval);
72: if (!$end) {
73: $Apache::lonxml::style_values=$$parstack[-1];
74: $Apache::lonxml::style_end_values=$$parstack[-1];
75: } else {
76: $Apache::lonxml::style_values=$Apache::lonxml::style_end_values;
77: $Apache::lonxml::style_end_values='';
78: }
79: return ('','no');
80: }
81:
82: sub end_LONCAPA_INTERNAL_TURN_STYLE_OFF {
83: return ('','no');
84: }
85:
86: sub start_script {
87: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
88: @Apache::scripttag::parser_env = @_;
89: my $result='';
90: my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
91: &Apache::lonxml::debug("found type of $type");
92: if ($type eq "loncapa/perl") {
93: if ( $target eq "modified" ) {
94: $result=$token->[4].&Apache::edit::modifiedfield('/script',$parser);
95: } elsif ( $target eq 'web' || $target eq 'tex' ||
96: $target eq 'grade' || $target eq 'webgrade' ||
97: $target eq 'answer' || $target eq 'analyze' ) {
98: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
99: if (!$Apache::lonxml::default_homework_loaded) {
100: &Apache::lonxml::default_homework_load($safeeval);
101: }
102: &Apache::run::run($bodytext,$safeeval);
103: if (($target eq 'answer') &&
104: ($env{'form.answer_output_mode'} ne 'tex') &&
105: ($Apache::lonhomework::viewgrades == 'F')) {
106: $Apache::lonxml::evaluate--;
107: my (undef,undef,$udom,$uname)=&Apache::lonnet::whichuser();
108: $uname =~s/\W//g;
109: $udom =~s/\W//g;
110: my $function_name =
111: join('_','LONCAPA_scriptvars',$uname,$udom,
112: $env{'form.counter'},$Apache::lonxml::curdepth);
113: &Apache::lonxml::add_script_result(
114: &Apache::loncommon::modal_adhoc_window($function_name,500,500,
115: '<pre style="background-color:#ffffff;">'.
116: &Apache::run::dump($target,$safeeval).'</pre>',
117: &mt('Script Vars'))."<br />");
118: }
119: } elsif ($target eq "edit" ) {
120: #&Apache::run::run($bodytext,$safeeval);
121: #$result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
122: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
123: $result=&Apache::edit::tag_start($target,$token,'Script');
124:
125: my $depth = $Apache::lonxml::curdepth;
126: $result.='<span id="LC_edit_problem_codemirror">';
127: my $nocodemirror = &Apache::loncommon::nocodemirror();
128: unless ($nocodemirror) {
129: # only show button if codemirror activated
130: $result.='<input type="button" id="fitsize'.$depth.'" value="'.&mt("Dynamic size").
131: '" onclick="autosize(\''.$depth.'\')" />';
132: }
133: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4).'</span>';
134:
135: unless ($nocodemirror) {
136: $result.='<script type="text/javascript">
137: var cm'.$depth.' = CodeMirror.fromTextArea(document.getElementById("homework_edit_'.$depth.'"),
138: {
139: mode: "perl",
140: lineWrapping: true,
141: lineNumbers: true,
142: tabSize: 4,
143: indentUnit: 4,
144: autoCloseBrackets: true,
145: styleActiveLine: true,
146:
147: extraKeys: {
148: "Tab": "indentMore",
149: "Shift-Tab": "indentLess"
150: }
151: });
152: if(sessionStorage.getItem("autosized_'.$depth.'") != null) {
153: document.getElementById("fitsize'.$depth.'").value = "'.&mt("Fixed size").'";
154: cm'.$depth.'.setSize("","auto");
155: }
156: </script>';
157: }
158:
159:
160: } elsif ($target eq 'meta') {
161: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
162: }
163: } else {
164: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
165: if ($target ne "meta" && $target ne 'tex' && $target ne 'answer') {
166: $result = $token->[4];
167: $result.=$bodytext;
168: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
169: my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'});
170: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
171: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
172: if ($src ne '') {
173: if ($src !~ m{^(/|https?://)}) {
174: my $cleanhref = &Apache::londefdef::clean_docs_httpref($src,$url,$cdom,$cnum);
175: if ($cleanhref) {
176: &Apache::lonxml::extlink($cleanhref);
177: }
178: }
179: } elsif (($type eq 'text/javascript') && ($bodytext ne '')) {
180: if ($url =~ m{^\Q/uploaded/$cdom/$cnum/\E(docs|supplemental)/}) {
181: if ($bodytext =~ m{\.addMediaSrc\((["'])((?!\1).)+\1\);}) {
182: my $quote = $1;
183: if ($bodytext =~ m{\Q.addMediaSrc($quote\E([^$quote]+)\Q$quote)\E}) {
184: my $fname = $1;
185: my $cleanhref =
186: &Apache::londefdef::clean_docs_httpref($fname,$url,$cdom,$cnum);
187: if ($cleanhref) {
188: &Apache::lonxml::extlink($cleanhref);
189: }
190: }
191: }
192: if ($bodytext =~ m{\.set\w+(Src|Swf)\(["']}i) {
193: my @srcs = split(/\.set/,$bodytext);
194: if (scalar(@srcs) > 1) {
195: foreach my $item (@srcs) {
196: if ($item =~ m{^(FlashPlayerSwf|MediaSrc|XMPSrc|ConfigurationSrc|PosterImageSrc)\((['"])(?:(?!\2).)+\2\)}is) {
197: my $srctype = $1;
198: my $quote = $2;
199: my ($fname) = ($item =~ m{^\Q$srctype($quote\E([^$quote]+)\Q$quote)\E});
200: my $cleanhref =
201: &Apache::londefdef::clean_docs_httpref($fname,$url,$cdom,$cnum);
202: if ($cleanhref) {
203: &Apache::lonxml::extlink($cleanhref);
204: if ($srctype eq 'ConfigurationSrc') {
205: if ($cleanhref =~ m{^(.+/)configuration_express\.xml$}) {
206: #
207: # Camtasia 8.1: express_show/spritesheet.png needed, and included in zip archive.
208: # Not referenced directly in <main>.html or <main>_player.html files,
209: # so call lonxml::extlink() here to include httpref for the uploaded file.
210: # (where <main> is name user gave to file/archive).
211: #
212:
213: my $spritesheet = $1.'express_show/spritesheet.png';
214: if (&Apache::lonnet::repcopy_userfile($spritesheet) eq 'ok') {
215: &Apache::lonxml::extlink($spritesheet);
216: }
217: }
218: #
219: # Camtasia 8.4: express_show/spritesheet.min.css needed, and included in zip archive.
220: # Not referenced directly in <main>.html or <main>_player.html files,
221: # so call lonxml::extlink() here to include httpref for the uploaded file.
222: # (where <main> is name user gave to file/archive).
223: #
224: my $spritesheet_css = $1.'express_show/spritesheet.min.css';
225: if (&Apache::lonnet::repcopy_userfile($spritesheet_css) eq 'ok') {
226: &Apache::lonxml::extlink($spritesheet_css);
227: }
228: } elsif ($srctype eq 'PosterImageSrc') {
229: if ($fname =~ m{^(.+)_First_Frame\.png$}) {
230: my $prefix = $1;
231: my ($path) = ($cleanhref =~ m{^(.+/)\Q$fname\E});
232: #
233: # Camtasia 8.1: <main>_Thumbnails.png needed, and included in zip archive.
234: # Not referenced directly in <main>.html or <main>_player.html files,
235: # so call lonxml::extlink() here to include httpref for the uploaded file
236: # (where <main> is name user gave to file/archive).
237: #
238: my $thumbnail = $path.$prefix.'_Thumbnails.png';
239: if (&Apache::lonnet::repcopy_userfile($thumbnail) eq 'ok') {
240: &Apache::lonxml::extlink($thumbnail);
241: }
242: }
243: }
244: }
245: }
246: }
247: }
248: }
249: if ($bodytext =~ /\(document,\s*(['"])script\1,\s*\[([^\]]+)\]\);/s) {
250: my $scriptslist = $2;
251: my @srcs = split(/\s*,\s*/,$scriptslist);
252: foreach my $src (@srcs) {
253: if ($src =~ /(["'])(?:(?!\1).)+\.js\1/) {
254: my $quote = $1;
255: my ($fname) = ($src =~ m/\Q$quote\E([^$quote]+)\Q$quote\E/);
256: my $cleanhref =
257: &Apache::londefdef::clean_docs_httpref($fname,$url,$cdom,$cnum);
258: if ($cleanhref) {
259: &Apache::lonxml::extlink($cleanhref);
260: }
261: }
262: }
263: }
264: if ($bodytext =~ m{loadScript\(\s*(['"])((?:(?!\1).)+\.js)\1,\s*function}is) {
265: my $fname = $2;
266: if ($fname) {
267: my $cleanhref =
268: &Apache::londefdef::clean_docs_httpref($fname,$url,$cdom,$cnum);
269: if ($cleanhref) {
270: &Apache::lonxml::extlink($cleanhref);
271: }
272: }
273: }
274: }
275: }
276: }
277: }
278: return $result;
279: }
280:
281: sub end_script {
282: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
283: if ( $target eq "meta" ) { return ''; }
284: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
285: my $result='';
286: #other script blocks need to survive
287: if ($type ne "loncapa/perl" && $target ne 'tex') {
288: return $token->[2];
289: } elsif ($target eq 'edit' ) {
290: return &Apache::edit::end_table();
291: } elsif ($target eq 'answer') {
292: $Apache::lonxml::evaluate++;
293: }
294: return '';
295: }
296:
297: sub start_display {
298: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
299: @Apache::scripttag::parser_env = @_;
300: my $result;
301:
302: if ( $target eq "modified" ) {
303: $result=$token->[4].&Apache::edit::modifiedfield("/display",$parser);
304: } elsif ( $target eq 'web' || $target eq 'tex' ||
305: $target eq 'grade' || $target eq 'webgrade' ||
306: $target eq 'answer' || $target eq 'analyze') {
307: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
308: if (!$Apache::lonxml::default_homework_loaded) {
309: &Apache::lonxml::default_homework_load($safeeval);
310: }
311: $result=&Apache::run::run($bodytext,$safeeval);
312: if ($target eq 'grade' || $target eq 'answer' ||
313: $target eq 'analyze') {
314: # grade/answer/analyxe should produce no output but if we
315: # are redirecting, the redirecter should know what to do
316: # with the output
317: if (!$Apache::lonxml::redirection) { $result=''; }
318: }
319: $Apache::lonxml::post_evaluate=0;
320: } elsif ($target eq "edit" ) {
321: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
322: #$result =
323: # "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
324: #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
325: $result=&Apache::edit::tag_start($target,$token,'Script With Display');
326: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,1)
327: } elsif ($target eq 'meta') {
328: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
329: }
330: return $result;
331: }
332:
333: sub end_display {
334: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
335: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
336: return '';
337: }
338:
339: sub start_scriptlib {
340: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
341: my $bodytext;
342: my $result ='';
343: my $error='';
344:
345: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
346: $target eq 'meta' || $target eq 'edit' || $target eq 'answer' ||
347: $target eq 'analyze' || $target eq 'webgrade') {
348: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
349: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
350: $$parstack[$#$parstack]);
351: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
352: $bodytext);
353: my $script=&Apache::lonnet::getfile($location);
354: if ($script == -1) {
355: if ($target eq 'edit') {
356: $error='</tr><tr><td>'.&mt('Errors').'</td><td colspan="2"><b>'.&mt(' Unable to find [_1]','<span class="LC_filename">'.$location.'</span>').'</b></td>'."\n";
357: } else {
358: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
359: return "";
360: }
361: }
362: &Apache::run::run($script,$safeeval);
363: #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
364: }
365: if ($target eq "edit" ) {
366: $result=
367: &Apache::edit::tag_start($target,$token,'New Script Functions').
368: &Apache::edit::editline($token->[1],$bodytext,'scriptlib',40).
369: &Apache::edit::browse_or_search(undef,'textnode').
370: $error.'</td></tr>'.
371: &Apache::edit::end_table();
372: }
373: if ($target eq "modified" ) {
374: $result=$token->[4].&Apache::edit::modifiedfield("/scriptlib",$parser);
375: }
376: return $result;
377: }
378:
379: sub end_scriptlib {
380: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
381: my @result;
382: if ($target eq "edit" ) { $result[1]='no'; }
383: return @result;
384: }
385:
386: sub start_parserlib {
387: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
388: my $bodytext;
389: my $result ="";
390: my $error='';
391: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
392: $target eq 'meta' || $target eq 'edit' || $target eq 'answer' ||
393: $target eq 'analyze' || $target eq 'webgrade') {
394: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
395: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
396: $$parstack[$#$parstack]);
397: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
398: $bodytext);
399: my $styletext=&Apache::lonnet::getfile($location);
400: #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
401: if ($styletext == -1) {
402: if ($target eq 'edit') {
403: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
404: } else {
405: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
406: return "";
407: }
408: }
409: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
410: }
411: if ($target eq "edit" ) {
412: $result=
413: &Apache::edit::tag_start($target,$token,'New Tag Definitions').
414: &Apache::edit::editline($token->[1],$bodytext,'',40).
415: $error.'</td></tr>'.
416: &Apache::edit::end_table();
417: }
418: if ($target eq "modified" ) {
419: $result=$token->[4].&Apache::edit::modifiedfield("/parserlib",$parser);
420: }
421: return $result;
422: }
423:
424: sub end_parserlib {
425: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
426: my @result;
427: if ($target eq "edit" ) { $result[1]='no'; }
428: return @result;
429: }
430:
431: sub start_window {
432: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
433: my $result = '';
434: if ($target eq 'web' || $target eq 'webgrade') {
435: &Apache::lonxml::startredirection;
436: } elsif ($target eq 'tex') {
437: my $printtext=&Apache::lonxml::get_param('printtext',$parstack,$safeeval);
438: if ($printtext=~/\w/) {
439: # If printtext is given, do not output any intervening information
440: &Apache::lonxml::startredirection;
441: } else {
442: $result = '\unskip\footnote{';
443: }
444: } elsif ($target eq 'edit') {
445: $result.=&Apache::edit::tag_start($target,$token);
446: $result.=&Apache::edit::text_arg('Text of Link:','linktext',$token,70);
447: $result.=&Apache::edit::text_arg('Height:','height',$token,5);
448: $result.=&Apache::edit::text_arg('Width:','width',$token,5);
449: $result.=&Apache::edit::text_arg('Printed text (optional):','printtext',$token,20);
450: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
451: } elsif ($target eq 'modified') {
452: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
453: $safeeval,'linktext',
454: 'width','height');
455: if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
456: }
457: return $result;
458: }
459:
460: sub end_window {
461: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
462: my $result;
463: if ($target eq 'web' || $target eq 'webgrade') {
464: my $output=&Apache::lonxml::endredirection;
465: my $linktext= &Apache::lonxml::get_param('linktext',$parstack,$safeeval);
466: if (!$linktext) { $linktext='<sup>*</sup>'; }
467: my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
468: if (!$width) { $width='500'; }
469: my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
470: if (!$height) { $height='200'; }
471: $result=&Apache::loncommon::modal_adhoc_window
472: ("LONCAPA_newwindow_$Apache::lonxml::curdepth",$width,$height,$output,$linktext);
473: } elsif ($target eq 'tex') {
474: my $printtext=&Apache::lonxml::get_param('printtext',$parstack,$safeeval);
475: if ($printtext=~/\w/) {
476: # If a "printtext" is given, proceed to retrieve all intervening information and trash it
477: my $output=&Apache::lonxml::endredirection;
478: # Use printtext instead
479: $result=$printtext;
480: } else {
481: $result='}';
482: }
483: } else {
484: $result = '';
485: }
486: return $result;
487: }
488:
489:
490: sub start_windowlink {
491: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
492: my $result = '';
493: if ($target eq 'web' || $target eq 'webgrade') {
494: &Apache::lonxml::startredirection;
495: } elsif ($target eq 'edit') {
496: $result.=&Apache::edit::tag_start($target,$token);
497: $result.=&Apache::edit::text_arg('Link:','href',$token,70);
498: $result.=&Apache::edit::text_arg('Height:','height',$token,5);
499: $result.=&Apache::edit::text_arg('Width:','width',$token,5);
500: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
501: } elsif ($target eq 'modified') {
502: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
503: $safeeval,'href',
504: 'width','height');
505: if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
506: }
507: return $result;
508: }
509:
510: sub end_windowlink {
511: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
512: my $result;
513: if ($target eq 'web' || $target eq 'webgrade') {
514: my $output=&Apache::lonxml::endredirection;
515: my $href= &Apache::lonxml::get_param('href',$parstack,$safeeval);
516: if (!$href) { $href='/adm/rat/empty.html'; }
517: my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
518: if (!$width) { $width='500'; }
519: my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
520: if (!$height) { $height='200'; }
521: $result=&Apache::loncommon::modal_link($href,$output,$width,$height);
522: } else {
523: $result = '';
524: }
525: return $result;
526: }
527:
528:
529: sub start_togglebox {
530: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
531: my $result = '';
532: if ($target eq 'web' || $target eq 'webgrade') {
533: my $id="LONCAPA_togglebox_$Apache::lonxml::curdepth";
534: my $heading=&Apache::lonxml::get_param('heading',$parstack,$safeeval);
535: unless ($heading) { $heading=''; } else { $heading.=' '; }
536: my $showtext=&Apache::lonxml::get_param('showtext',$parstack,$safeeval);
537: my $hidetext=&Apache::lonxml::get_param('hidetext',$parstack,$safeeval);
538: my $headerbg=&Apache::lonxml::get_param('headerbg',$parstack,$safeeval);
539: $result=&Apache::loncommon::start_togglebox($id,$heading,$headerbg,$hidetext,$showtext);
540: } elsif ($target eq 'tex') {
541: my $heading=&Apache::lonxml::get_param('heading',$parstack,$safeeval);
542: unless ($heading) { $heading=''; } else { $heading.=' '; }
543: $result = "\n\n".'\fbox{{\bf '.$heading.'} \qquad '."\n";
544: } elsif ($target eq 'edit') {
545: $result.=&Apache::edit::tag_start($target,$token);
546: $result.=&Apache::edit::text_arg('Heading:','heading',$token,70);
547: $result.=&Apache::edit::text_arg('Header Background:','headerbg',$token,7);
548: $result.=&Apache::edit::text_arg('Show text:','showtext',$token,10);
549: $result.=&Apache::edit::text_arg('Hide text:','hidetext',$token,10);
550: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
551: } elsif ($target eq 'modified') {
552: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
553: $safeeval,'heading',
554: 'showtext','hidetext',
555: 'headerbg','textbg');
556: if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
557: }
558: return $result;
559: }
560:
561: sub end_togglebox {
562: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
563: my $result;
564: if ($target eq 'web' || $target eq 'webgrade') {
565: $result=&Apache::loncommon::end_togglebox();
566: } elsif ($target eq 'tex') {
567: $result = "}\n\n";
568: } else {
569: $result = '';
570: }
571: return $result;
572: }
573:
574:
575:
576: sub start_import {
577: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
578: my $bodytext=$$parser[$#$parser]->get_text("/import");
579: my $result ="";
580:
581: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
582:
583: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade'
584: || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze' ) {
585: # FIXME this probably needs to be smart about construction vs.
586: # non construction space.
587: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
588: my $file=&Apache::lonnet::getfile($location);
589: if ($file == -1) {
590: &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
591: return "";
592: }
593: my $importmode=&Apache::lonxml::get_param('importmode',$parstack,$safeeval);
594: if (($importmode eq 'problem') || ($importmode eq 'part')) {
595: # We are using import to import published problems
596: if (($importmode eq 'problem') || ($file=~/<part[^<]*>/s)) {
597: # We explicitly don't want this to be a separate part or the problem already has parts
598: $file=~s/^\s*<problem>/<library>/s;
599: $file=~s/<\/problem>\s*$/<\/library>/s;
600: } else {
601: # We want this to be a separate part, but it currently is not
602: $file=~s/^\s*<problem>/<library><part>/s;
603: $file=~s/<\/problem>\s*$/<\/part><\/library>/s;
604: }
605: }
606: my $dir=$location;
607: $dir=~s:/[^/]*$::;
608: # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
609: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
610: if (!$id) { $id=$Apache::lonxml::curdepth; }
611: push(@Apache::inputtags::import,$id);
612: push(@Apache::inputtags::importlist,$id);
613:
614: &Apache::lonxml::newparser($parser,\$file,$dir);
615:
616: } elsif ($target eq "edit" ) {
617: $result.=&Apache::edit::tag_start($target,$token);
618: my $location=$token->[1];
619: $location=~s/^\s*//s;
620: $location=~s/\s*$//s;
621: my $crsonly = join(',',(&Apache::loncommon::filecategorytypes('Problem'),
622: &Apache::loncommon::filecategorytypes('Library')));
623: $result.=&Apache::edit::editline($location,$bodytext,'',40);
624: $result.=&Apache::edit::browse_or_search(undef,'textnode',undef,undef,$crsonly);
625: $result.= ' <span class="LC_nobreak"><label>'.&mt('Import as:').
626: '<select name="importmode_'.$Apache::lonxml::curdepth.'">';
627: my %options=&Apache::lonlocal::texthash('' => 'as standard library',
628: 'problem' => 'as problem',
629: 'part' => 'as problem part(s)');
630: foreach my $option (sort(keys(%options))) {
631: $result.='<option value="'.$option.'"';
632: if ($option eq &Apache::lonxml::get_param('importmode',$parstack,$safeeval)) {
633: $result.=' selected="selected"';
634: }
635: $result.='>'.$options{$option}.'</option>';
636: }
637: $result.='</select></label></span>';
638: #FIXME this need to convert $bodytext to be a contruction space reference
639: #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
640: #$result.="Click<a href=\"$location\">here</a> to edit<br />"
641: } elsif ($target eq 'modified') {
642: &Apache::edit::get_new_args($token,$parstack,$safeeval,'importmode');
643: $result='<import id="'.$token->[2]{'id'}.'" importmode="'.$token->[2]{'importmode'}.'">';
644: $result.=&Apache::edit::modifiedfield("/import",$parser);
645: } elsif ($target eq 'meta') {
646: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
647: $result.='<import part="'.$Apache::inputtags::part;
648: if ($id) {
649: $result.='" id="'.$id;
650: }
651: $result.='" importmode="'.$token->[2]{'importmode'}.'">';
652: $result.=$bodytext;
653: $result.='</import>';
654: }
655: return $result;
656: }
657:
658: sub end_import {
659: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
660: pop(@Apache::inputtags::import);
661: my $result;
662: if ($target eq 'edit' ) { $result=&Apache::edit::end_row.
663: &Apache::edit::end_table(); }
664: return $result;
665: }
666:
667: sub start_storetc {
668: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
669: my $result = '';
670: &Apache::lonxml::startredirection;
671: return $result;
672: }
673:
674: sub end_storetc {
675: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
676: my $result;
677: my $output=&Apache::lonxml::endredirection;
678: $output =~ s/\"/\"\;/g;
679: $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
680: return $result;
681: }
682:
683:
684: sub start_physnet {
685: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
686: my $bodytext = '/res/adm/includes/physnet.sty';
687: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
688: my $cbistyletext=&Apache::lonnet::getfile($location);
689:
690: %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
691: if (keys(%$style) && (($target eq 'web') || ($target eq 'tex'))) {
692: $$parser['-1']->unget_token($token);
693: }
694: # if ( defined($$style{'physnet'}) ) {
695: # &Apache::lonxml::newparser($parser,\$$style{'physnet'});
696: # }
697: return "";
698: }
699:
700: sub end_physnet {
701: return '';
702: }
703:
704: sub start_standalone {
705: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
706: my $result='';
707: if ($target eq 'web' || $target eq 'webgrade') {
708: if ( $env{'request.course.id'} ) {
709: my $inside = &Apache::lonxml::get_all_text("/standalone",$parser,$style);
710: } else {
711: $result='<table bgcolor="#E1E1E1" border="2"><tr><td>';
712: }
713: }
714: return $result;
715: }
716:
717: sub end_standalone {
718: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
719: my $result='';
720: if ($target eq 'web' || $target eq 'webgrade' ) {
721: if ( $env{'request.course.id'} ) {
722: } else {
723: $result='</td></tr></table>';
724: }
725: }
726: return $result;
727: }
728:
729: sub start_comment {
730: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
731: my $result='';
732: if ($target eq 'edit') {
733: $result=&Apache::edit::tag_start($target,$token);
734: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style);
735: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4)
736: } elsif ( $target eq 'modified') {
737: $result=$token->[4].&Apache::edit::modifiedfield("/comment",$parser);
738: } elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
739: $target eq 'answer' || $target eq 'meta' || $target eq 'analyze' ||
740: $target eq 'webgrade') {
741: #normally throw away comments
742: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style);
743: }
744: return $result;
745: }
746:
747: sub end_comment {
748: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
749: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
750: return '';
751: }
752:
753:
754: sub xmlparse {
755: my ($string) = @_;
756: &Apache::lonxml::debug("xmlparse recursion starting with $string");
757: # Apache::run::evaluate does an 'eval' on the name of the subroutine
758: # if it detects something that looks like a subroutine, this ends up calling
759: # things without any arguments and since perl is nice enough to pass
760: # along the default arguments when you don't explicitly say no arguments
761: # if you call &xmlparse, it gets &xmlparse passed as it argument.
762: # Same thing soccurs with &chemparse.
763: if ($string eq '&xmlparse') { return '&xmlparse'; }
764: if ($string eq '&chemparse') { return '&chemparse'; }
765: my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
766: @Apache::scripttag::parser_env;
767: my @parser;
768: &Apache::lonxml::newparser(\@parser,\$string);
769: &Apache::lonxml::startredirection();
770: my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
771: $parstack,\@parser,
772: $safeeval,$style);
773: $result.=&Apache::lonxml::endredirection();
774: &Apache::lonxml::debug("target is $target xmlparse recursion ending with $result");
775: return $result;
776: }
777:
778: sub start_num {
779: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
780: my $result = '';
781: my $inside = &Apache::lonxml::get_all_text_unbalanced("/num",$parser);
782: if ($target eq 'tex' || $target eq 'web' || $target eq 'webgrade') {
783: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
784: if (!$Apache::lonxml::default_homework_loaded) {
785: &Apache::lonxml::default_homework_load($safeeval);
786: }
787: @Apache::scripttag::parser_env = @_;
788: my $format=&Apache::lonxml::get_param('format',$parstack,$safeeval);
789: $result=&Apache::run::run("return &prettyprint(q\0$inside\0,q\0$format\0);",$safeeval);
790: }
791: return $result;
792: }
793:
794: sub end_num {
795: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
796: my $result = '';
797: return $result;
798: }
799:
800: sub start_parse {
801: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
802: my $result = '';
803: if ( $target eq 'web' || $target eq 'tex' ||
804: $target eq 'grade' || $target eq 'answer' ||
805: $target eq 'analyze'|| $target eq 'webgrade') {
806: my $inside = &Apache::lonxml::get_all_text_unbalanced("/parse",$parser);
807: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
808: if (!$Apache::lonxml::default_homework_loaded) {
809: &Apache::lonxml::default_homework_load($safeeval);
810: }
811: @Apache::scripttag::parser_env = @_;
812: $result=&Apache::run::run("return &xmlparse(q\0$inside\0);",$safeeval);
813: if ($target eq 'grade' || $target eq 'answer' ||
814: $target eq 'analyze') {
815: # grade/answer/analyxe should produce no output but if we
816: # are redirecting, the redirecter should know what to do
817: # with the output
818: if (!$Apache::lonxml::redirection) { $result=''; }
819: }
820: }
821: return $result;
822: }
823:
824: sub end_parse {
825: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
826: my $result = '';
827: return $result;
828: }
829:
830: sub start_algebra {
831: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
832: my $result = '';
833: if ( $target eq 'web' || $target eq 'tex' ||
834: $target eq 'grade' || $target eq 'answer' ||
835: $target eq 'analyze' || $target eq 'webgrade') {
836: my $inside = &Apache::lonxml::get_all_text_unbalanced("/algebra",$parser);
837: $inside = &Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
838: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
839: my $style=&Apache::lonxml::get_param('style',$parstack,$safeeval);
840: $result=&Apache::lontexconvert::algebra($inside,$target,$style,$parstack,$safeeval);
841: }
842: $Apache::lonxml::post_evaluate=0;
843: }
844: return $result;
845: }
846:
847: sub end_algebra {
848: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
849: my $result = '';
850: return $result;
851: }
852:
853: 1;
854: __END__
855:
856: =pod
857:
858: =head1 NAME
859:
860: Apache::scripttag.pm
861:
862: =head1 SYNOPSIS
863:
864: implements <script>, <scriptlib>, <parserlib>,
865: and <import>
866:
867: This is part of the LearningOnline Network with CAPA project
868: described at http://www.lon-capa.org.
869:
870: =cut
871:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to scripttag.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / xml