File:
[LON-CAPA] /
loncom /
xml /
scripttag.pm
Revision
1.175:
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Fri Jul 1 19:59:25 2016 UTC (7 years, 11 months ago) by
raeburn
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CVS tags:
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- Course "Authoring" Space
"Import a File" and "Image" blocks in Colorful Editor include a "Choose File"
link which allows selection of published files from "Course Authoring" Space,
or upload of a new file (with auto-publication).
1: # The LearningOnline Network with CAPA
2: # <script> definiton
3: #
4: # $Id: scripttag.pm,v 1.175 2016/07/01 19:59:25 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::lonlocal;
34: use Apache::lonxml();
35: use Apache::londefdef();
36: use Apache::style();
37:
38: #Globals
39: # this used to pass around the standard callsub arguments to a tag func
40: # so xmlparse can reenter the inner_xmlparse loop.
41:
42: @Apache::scripttag::parser_env = ();
43: BEGIN {
44: &Apache::lonxml::register('Apache::scripttag',
45: ('script','scriptlib','parserlib','import',
46: 'window','windowlink','togglebox','display','storetc','physnet',
47: 'standalone','comment','num','parse','algebra',
48: 'LONCAPA_INTERNAL_TURN_STYLE_ON',
49: 'LONCAPA_INTERNAL_TURN_STYLE_OFF'));
50: }
51:
52: sub start_LONCAPA_INTERNAL_TURN_STYLE_ON {
53: $Apache::lonxml::usestyle=1;
54: $Apache::lonxml::style_values='';
55: return ('','no');
56: }
57:
58: sub end_LONCAPA_INTERNAL_TURN_STYLE_ON {
59: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
60: my $end=&Apache::lonxml::get_param('end',$parstack,$safeeval);
61: if (defined($end)) {
62: &Apache::lonxml::end_tag($tagstack,$parstack,$token);
63: }
64: return ('','no');
65: }
66:
67: sub start_LONCAPA_INTERNAL_TURN_STYLE_OFF {
68: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
69: $Apache::lonxml::usestyle=0;
70: my $end=&Apache::lonxml::get_param('end',$parstack,$safeeval);
71: if (!$end) {
72: $Apache::lonxml::style_values=$$parstack[-1];
73: $Apache::lonxml::style_end_values=$$parstack[-1];
74: } else {
75: $Apache::lonxml::style_values=$Apache::lonxml::style_end_values;
76: $Apache::lonxml::style_end_values='';
77: }
78: return ('','no');
79: }
80:
81: sub end_LONCAPA_INTERNAL_TURN_STYLE_OFF {
82: return ('','no');
83: }
84:
85: sub start_script {
86: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
87: @Apache::scripttag::parser_env = @_;
88: my $result='';
89: my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
90: &Apache::lonxml::debug("found type of $type");
91: if ($type eq "loncapa/perl") {
92: if ( $target eq "modified" ) {
93: $result=$token->[4].&Apache::edit::modifiedfield('/script',$parser);
94: } elsif ( $target eq 'web' || $target eq 'tex' ||
95: $target eq 'grade' || $target eq 'webgrade' ||
96: $target eq 'answer' || $target eq 'analyze' ) {
97: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
98: if (!$Apache::lonxml::default_homework_loaded) {
99: &Apache::lonxml::default_homework_load($safeeval);
100: }
101: &Apache::run::run($bodytext,$safeeval);
102: if (($target eq 'answer') &&
103: ($env{'form.answer_output_mode'} ne 'tex') &&
104: ($Apache::lonhomework::viewgrades == 'F')) {
105: $Apache::lonxml::evaluate--;
106: my (undef,undef,$udom,$uname)=&Apache::lonnet::whichuser();
107: $uname =~s/\W//g;
108: $udom =~s/\W//g;
109: my $function_name =
110: join('_','LONCAPA_scriptvars',$uname,$udom,
111: $env{'form.counter'},$Apache::lonxml::curdepth);
112: &Apache::lonxml::add_script_result(
113: &Apache::loncommon::modal_adhoc_window($function_name,500,500,
114: '<pre style="background-color:#ffffff;">'.
115: &Apache::run::dump($target,$safeeval).'</pre>',
116: &mt('Script Vars'))."<br />");
117: }
118: } elsif ($target eq "edit" ) {
119: #&Apache::run::run($bodytext,$safeeval);
120: #$result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
121: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
122: $result=&Apache::edit::tag_start($target,$token,'Script');
123:
124: my $depth = $Apache::lonxml::curdepth;
125: $result.='<span id="LC_edit_problem_codemirror">';
126: unless ($env{'environment.nocodemirror'}) {
127: # only show button if codemirror activated
128: $result.='<input type="button" id="fitsize'.$depth.'" value="'.&mt("Dynamic size").
129: '" onclick="autosize(\''.$depth.'\')" />';
130: }
131: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4).'</span>';
132:
133: unless ($env{'environment.nocodemirror'}) {
134: $result.='<script type="text/javascript">
135: var cm'.$depth.' = CodeMirror.fromTextArea(document.getElementById("homework_edit_'.$depth.'"),
136: {
137: mode: "perl",
138: lineWrapping: true,
139: lineNumbers: true,
140: tabSize: 4,
141: indentUnit: 4,
142: autoCloseBrackets: true,
143: styleActiveLine: true,
144:
145: extraKeys: {
146: "Tab": "indentMore",
147: "Shift-Tab": "indentLess"
148: }
149: });
150: if(sessionStorage.getItem("autosized_'.$depth.'") != null) {
151: document.getElementById("fitsize'.$depth.'").value = "'.&mt("Fixed size").'";
152: cm'.$depth.'.setSize("","auto");
153: }
154: </script>';
155: }
156:
157:
158: } elsif ($target eq 'meta') {
159: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
160: }
161: } else {
162: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser);
163: if ($target ne "meta" && $target ne 'tex' && $target ne 'answer') {
164: $result = $token->[4];
165: $result.=$bodytext;
166: my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
167: my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'});
168: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
169: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
170: if ($src ne '') {
171: if ($src !~ m{^(/|https?://)}) {
172: my $cleanhref = &Apache::londefdef::clean_docs_httpref($src,$url,$cdom,$cnum);
173: if ($cleanhref) {
174: &Apache::lonxml::extlink($cleanhref);
175: }
176: }
177: } elsif (($type eq 'text/javascript') && ($bodytext ne '')) {
178: if ($url =~ m{^\Q/uploaded/$cdom/$cnum/\E(docs|supplemental)/}) {
179: if ($bodytext =~ m{\.addMediaSrc\((["'])((?!\1).)+\1\);}) {
180: my $quote = $1;
181: if ($bodytext =~ m{\Q.addMediaSrc($quote\E([^$quote]+)\Q$quote)\E}) {
182: my $fname = $1;
183: my $cleanhref =
184: &Apache::londefdef::clean_docs_httpref($fname,$url,$cdom,$cnum);
185: if ($cleanhref) {
186: &Apache::lonxml::extlink($cleanhref);
187: }
188: }
189: }
190: if ($bodytext =~ m{\.set\w+(Src|Swf)\(["']}i) {
191: my @srcs = split(/\.set/,$bodytext);
192: if (scalar(@srcs) > 1) {
193: foreach my $item (@srcs) {
194: if ($item =~ m{^(FlashPlayerSwf|MediaSrc|XMPSrc|ConfigurationSrc|PosterImageSrc)\((['"])(?:(?!\2).)+\2\)}is) {
195: my $srctype = $1;
196: my $quote = $2;
197: my ($fname) = ($item =~ m{^\Q$srctype($quote\E([^$quote]+)\Q$quote)\E});
198: my $cleanhref =
199: &Apache::londefdef::clean_docs_httpref($fname,$url,$cdom,$cnum);
200: if ($cleanhref) {
201: &Apache::lonxml::extlink($cleanhref);
202: if ($srctype eq 'ConfigurationSrc') {
203: if ($cleanhref =~ m{^(.+/)configuration_express\.xml$}) {
204: #
205: # Camtasia 8.1: express_show/spritesheet.png needed, and included in zip archive.
206: # Not referenced directly in <main>.html or <main>_player.html files,
207: # so call lonxml::extlink() here to include httpref for the uploaded file.
208: # (where <main> is name user gave to file/archive).
209: #
210:
211: my $spritesheet = $1.'express_show/spritesheet.png';
212: if (&Apache::lonnet::repcopy_userfile($spritesheet) eq 'ok') {
213: &Apache::lonxml::extlink($spritesheet);
214: }
215: }
216: #
217: # Camtasia 8.4: express_show/spritesheet.min.css needed, and included in zip archive.
218: # Not referenced directly in <main>.html or <main>_player.html files,
219: # so call lonxml::extlink() here to include httpref for the uploaded file.
220: # (where <main> is name user gave to file/archive).
221: #
222: my $spritesheet_css = $1.'express_show/spritesheet.min.css';
223: if (&Apache::lonnet::repcopy_userfile($spritesheet_css) eq 'ok') {
224: &Apache::lonxml::extlink($spritesheet_css);
225: }
226: } elsif ($srctype eq 'PosterImageSrc') {
227: if ($fname =~ m{^(.+)_First_Frame\.png$}) {
228: my $prefix = $1;
229: my ($path) = ($cleanhref =~ m{^(.+/)\Q$fname\E});
230: #
231: # Camtasia 8.1: <main>_Thumbnails.png needed, and included in zip archive.
232: # Not referenced directly in <main>.html or <main>_player.html files,
233: # so call lonxml::extlink() here to include httpref for the uploaded file
234: # (where <main> is name user gave to file/archive).
235: #
236: my $thumbnail = $path.$prefix.'_Thumbnails.png';
237: if (&Apache::lonnet::repcopy_userfile($thumbnail) eq 'ok') {
238: &Apache::lonxml::extlink($thumbnail);
239: }
240: }
241: }
242: }
243: }
244: }
245: }
246: }
247: if ($bodytext =~ /\(document,\s*(['"])script\1,\s*\[([^\]]+)\]\);/s) {
248: my $scriptslist = $2;
249: my @srcs = split(/\s*,\s*/,$scriptslist);
250: foreach my $src (@srcs) {
251: if ($src =~ /(["'])(?:(?!\1).)+\.js\1/) {
252: my $quote = $1;
253: my ($fname) = ($src =~ m/\Q$quote\E([^$quote]+)\Q$quote\E/);
254: my $cleanhref =
255: &Apache::londefdef::clean_docs_httpref($fname,$url,$cdom,$cnum);
256: if ($cleanhref) {
257: &Apache::lonxml::extlink($cleanhref);
258: }
259: }
260: }
261: }
262: if ($bodytext =~ m{loadScript\(\s*(['"])((?:(?!\1).)+\.js)\1,\s*function}is) {
263: my $fname = $2;
264: if ($fname) {
265: my $cleanhref =
266: &Apache::londefdef::clean_docs_httpref($fname,$url,$cdom,$cnum);
267: if ($cleanhref) {
268: &Apache::lonxml::extlink($cleanhref);
269: }
270: }
271: }
272: }
273: }
274: }
275: }
276: return $result;
277: }
278:
279: sub end_script {
280: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
281: if ( $target eq "meta" ) { return ''; }
282: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
283: my $result='';
284: #other script blocks need to survive
285: if ($type ne "loncapa/perl" && $target ne 'tex') {
286: return $token->[2];
287: } elsif ($target eq 'edit' ) {
288: return &Apache::edit::end_table();
289: } elsif ($target eq 'answer') {
290: $Apache::lonxml::evaluate++;
291: }
292: return '';
293: }
294:
295: sub start_display {
296: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
297: @Apache::scripttag::parser_env = @_;
298: my $result;
299:
300: if ( $target eq "modified" ) {
301: $result=$token->[4].&Apache::edit::modifiedfield("/display",$parser);
302: } elsif ( $target eq 'web' || $target eq 'tex' ||
303: $target eq 'grade' || $target eq 'webgrade' ||
304: $target eq 'answer' || $target eq 'analyze') {
305: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
306: if (!$Apache::lonxml::default_homework_loaded) {
307: &Apache::lonxml::default_homework_load($safeeval);
308: }
309: $result=&Apache::run::run($bodytext,$safeeval);
310: if ($target eq 'grade' || $target eq 'answer' ||
311: $target eq 'analyze') {
312: # grade/answer/analyxe should produce no output but if we
313: # are redirecting, the redirecter should know what to do
314: # with the output
315: if (!$Apache::lonxml::redirection) { $result=''; }
316: }
317: $Apache::lonxml::post_evaluate=0;
318: } elsif ($target eq "edit" ) {
319: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
320: #$result =
321: # "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
322: #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
323: $result=&Apache::edit::tag_start($target,$token,'Script With Display');
324: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,1)
325: } elsif ($target eq 'meta') {
326: my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser);
327: }
328: return $result;
329: }
330:
331: sub end_display {
332: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
333: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
334: return '';
335: }
336:
337: sub start_scriptlib {
338: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
339: my $bodytext;
340: my $result ='';
341: my $error='';
342:
343: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
344: $target eq 'meta' || $target eq 'edit' || $target eq 'answer' ||
345: $target eq 'analyze' || $target eq 'webgrade') {
346: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
347: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
348: $$parstack[$#$parstack]);
349: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
350: $bodytext);
351: my $script=&Apache::lonnet::getfile($location);
352: if ($script == -1) {
353: if ($target eq 'edit') {
354: $error='</tr><tr><td>'.&mt('Errors').'</td><td colspan="2"><b>'.&mt(' Unable to find [_1]','<span class="LC_filename">'.$location.'</span>').'</b></td>'."\n";
355: } else {
356: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
357: return "";
358: }
359: }
360: &Apache::run::run($script,$safeeval);
361: #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
362: }
363: if ($target eq "edit" ) {
364: $result=
365: &Apache::edit::tag_start($target,$token,'New Script Functions').
366: &Apache::edit::editline($token->[1],$bodytext,'scriptlib',40).
367: &Apache::edit::browse_or_search(undef,'textnode').
368: $error.'</td></tr>'.
369: &Apache::edit::end_table();
370: }
371: if ($target eq "modified" ) {
372: $result=$token->[4].&Apache::edit::modifiedfield("/scriptlib",$parser);
373: }
374: return $result;
375: }
376:
377: sub end_scriptlib {
378: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
379: my @result;
380: if ($target eq "edit" ) { $result[1]='no'; }
381: return @result;
382: }
383:
384: sub start_parserlib {
385: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
386: my $bodytext;
387: my $result ="";
388: my $error='';
389: if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
390: $target eq 'meta' || $target eq 'edit' || $target eq 'answer' ||
391: $target eq 'analyze' || $target eq 'webgrade') {
392: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
393: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
394: $$parstack[$#$parstack]);
395: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
396: $bodytext);
397: my $styletext=&Apache::lonnet::getfile($location);
398: #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
399: if ($styletext == -1) {
400: if ($target eq 'edit') {
401: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
402: } else {
403: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
404: return "";
405: }
406: }
407: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
408: }
409: if ($target eq "edit" ) {
410: $result=
411: &Apache::edit::tag_start($target,$token,'New Tag Definitions').
412: &Apache::edit::editline($token->[1],$bodytext,'',40).
413: $error.'</td></tr>'.
414: &Apache::edit::end_table();
415: }
416: if ($target eq "modified" ) {
417: $result=$token->[4].&Apache::edit::modifiedfield("/parserlib",$parser);
418: }
419: return $result;
420: }
421:
422: sub end_parserlib {
423: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
424: my @result;
425: if ($target eq "edit" ) { $result[1]='no'; }
426: return @result;
427: }
428:
429: sub start_window {
430: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
431: my $result = '';
432: if ($target eq 'web' || $target eq 'webgrade') {
433: &Apache::lonxml::startredirection;
434: } elsif ($target eq 'tex') {
435: my $printtext=&Apache::lonxml::get_param('printtext',$parstack,$safeeval);
436: if ($printtext=~/\w/) {
437: # If printtext is given, do not output any intervening information
438: &Apache::lonxml::startredirection;
439: } else {
440: $result = '\unskip\footnote{';
441: }
442: } elsif ($target eq 'edit') {
443: $result.=&Apache::edit::tag_start($target,$token);
444: $result.=&Apache::edit::text_arg('Text of Link:','linktext',$token,70);
445: $result.=&Apache::edit::text_arg('Height:','height',$token,5);
446: $result.=&Apache::edit::text_arg('Width:','width',$token,5);
447: $result.=&Apache::edit::text_arg('Printed text (optional):','printtext',$token,20);
448: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
449: } elsif ($target eq 'modified') {
450: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
451: $safeeval,'linktext',
452: 'width','height');
453: if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
454: }
455: return $result;
456: }
457:
458: sub end_window {
459: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
460: my $result;
461: if ($target eq 'web' || $target eq 'webgrade') {
462: my $output=&Apache::lonxml::endredirection;
463: my $linktext= &Apache::lonxml::get_param('linktext',$parstack,$safeeval);
464: if (!$linktext) { $linktext='<sup>*</sup>'; }
465: my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
466: if (!$width) { $width='500'; }
467: my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
468: if (!$height) { $height='200'; }
469: $result=&Apache::loncommon::modal_adhoc_window
470: ("LONCAPA_newwindow_$Apache::lonxml::curdepth",$width,$height,$output,$linktext);
471: } elsif ($target eq 'tex') {
472: my $printtext=&Apache::lonxml::get_param('printtext',$parstack,$safeeval);
473: if ($printtext=~/\w/) {
474: # If a "printtext" is given, proceed to retrieve all intervening information and trash it
475: my $output=&Apache::lonxml::endredirection;
476: # Use printtext instead
477: $result=$printtext;
478: } else {
479: $result='}';
480: }
481: } else {
482: $result = '';
483: }
484: return $result;
485: }
486:
487:
488: sub start_windowlink {
489: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
490: my $result = '';
491: if ($target eq 'web' || $target eq 'webgrade') {
492: &Apache::lonxml::startredirection;
493: } elsif ($target eq 'edit') {
494: $result.=&Apache::edit::tag_start($target,$token);
495: $result.=&Apache::edit::text_arg('Link:','href',$token,70);
496: $result.=&Apache::edit::text_arg('Height:','height',$token,5);
497: $result.=&Apache::edit::text_arg('Width:','width',$token,5);
498: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
499: } elsif ($target eq 'modified') {
500: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
501: $safeeval,'href',
502: 'width','height');
503: if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
504: }
505: return $result;
506: }
507:
508: sub end_windowlink {
509: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
510: my $result;
511: if ($target eq 'web' || $target eq 'webgrade') {
512: my $output=&Apache::lonxml::endredirection;
513: my $href= &Apache::lonxml::get_param('href',$parstack,$safeeval);
514: if (!$href) { $href='/adm/rat/empty.html'; }
515: my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
516: if (!$width) { $width='500'; }
517: my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
518: if (!$height) { $height='200'; }
519: $result=&Apache::loncommon::modal_link($href,$output,$width,$height);
520: } else {
521: $result = '';
522: }
523: return $result;
524: }
525:
526:
527: sub start_togglebox {
528: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
529: my $result = '';
530: if ($target eq 'web' || $target eq 'webgrade') {
531: my $id="LONCAPA_togglebox_$Apache::lonxml::curdepth";
532: my $heading=&Apache::lonxml::get_param('heading',$parstack,$safeeval);
533: unless ($heading) { $heading=''; } else { $heading.=' '; }
534: my $showtext=&Apache::lonxml::get_param('showtext',$parstack,$safeeval);
535: my $hidetext=&Apache::lonxml::get_param('hidetext',$parstack,$safeeval);
536: my $headerbg=&Apache::lonxml::get_param('headerbg',$parstack,$safeeval);
537: $result=&Apache::loncommon::start_togglebox($id,$heading,$headerbg,$hidetext,$showtext);
538: } elsif ($target eq 'tex') {
539: my $heading=&Apache::lonxml::get_param('heading',$parstack,$safeeval);
540: unless ($heading) { $heading=''; } else { $heading.=' '; }
541: $result = "\n\n".'\fbox{{\bf '.$heading.'} \qquad '."\n";
542: } elsif ($target eq 'edit') {
543: $result.=&Apache::edit::tag_start($target,$token);
544: $result.=&Apache::edit::text_arg('Heading:','heading',$token,70);
545: $result.=&Apache::edit::text_arg('Header Background:','headerbg',$token,7);
546: $result.=&Apache::edit::text_arg('Show text:','showtext',$token,10);
547: $result.=&Apache::edit::text_arg('Hide text:','hidetext',$token,10);
548: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
549: } elsif ($target eq 'modified') {
550: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
551: $safeeval,'heading',
552: 'showtext','hidetext',
553: 'headerbg','textbg');
554: if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); }
555: }
556: return $result;
557: }
558:
559: sub end_togglebox {
560: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
561: my $result;
562: if ($target eq 'web' || $target eq 'webgrade') {
563: $result=&Apache::loncommon::end_togglebox();
564: } elsif ($target eq 'tex') {
565: $result = "}\n\n";
566: } else {
567: $result = '';
568: }
569: return $result;
570: }
571:
572:
573:
574: sub start_import {
575: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
576: my $bodytext=$$parser[$#$parser]->get_text("/import");
577: my $result ="";
578:
579: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
580:
581: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade'
582: || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze' ) {
583: # FIXME this probably needs to be smart about construction vs.
584: # non construction space.
585: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
586: my $file=&Apache::lonnet::getfile($location);
587: if ($file == -1) {
588: &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
589: return "";
590: }
591: my $importmode=&Apache::lonxml::get_param('importmode',$parstack,$safeeval);
592: if (($importmode eq 'problem') || ($importmode eq 'part')) {
593: # We are using import to import published problems
594: if (($importmode eq 'problem') || ($file=~/<part[^<]*>/s)) {
595: # We explicitly don't want this to be a separate part or the problem already has parts
596: $file=~s/^\s*<problem>/<library>/s;
597: $file=~s/<\/problem>\s*$/<\/library>/s;
598: } else {
599: # We want this to be a separate part, but it currently is not
600: $file=~s/^\s*<problem>/<library><part>/s;
601: $file=~s/<\/problem>\s*$/<\/part><\/library>/s;
602: }
603: }
604: my $dir=$location;
605: $dir=~s:/[^/]*$::;
606: # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
607: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
608: if (!$id) { $id=$Apache::lonxml::curdepth; }
609: push(@Apache::inputtags::import,$id);
610: push(@Apache::inputtags::importlist,$id);
611:
612: &Apache::lonxml::newparser($parser,\$file,$dir);
613:
614: } elsif ($target eq "edit" ) {
615: $result.=&Apache::edit::tag_start($target,$token);
616: my $location=$token->[1];
617: $location=~s/^\s*//s;
618: $location=~s/\s*$//s;
619: my $crsonly = join(',',(&Apache::loncommon::filecategorytypes('Problem'),
620: &Apache::loncommon::filecategorytypes('Library')));
621: $result.=&Apache::edit::editline($location,$bodytext,'',40);
622: $result.=&Apache::edit::browse_or_search(undef,'textnode',undef,undef,$crsonly);
623: $result.= ' <span class="LC_nobreak"><label>'.&mt('Import as:').
624: '<select name="importmode_'.$Apache::lonxml::curdepth.'">';
625: my %options=&Apache::lonlocal::texthash('' => 'as standard library',
626: 'problem' => 'as problem',
627: 'part' => 'as problem part(s)');
628: foreach my $option (sort(keys(%options))) {
629: $result.='<option value="'.$option.'"';
630: if ($option eq &Apache::lonxml::get_param('importmode',$parstack,$safeeval)) {
631: $result.=' selected="selected"';
632: }
633: $result.='>'.$options{$option}.'</option>';
634: }
635: $result.='</select></label></span>';
636: #FIXME this need to convert $bodytext to be a contruction space reference
637: #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
638: #$result.="Click<a href=\"$location\">here</a> to edit<br />"
639: } elsif ($target eq 'modified') {
640: &Apache::edit::get_new_args($token,$parstack,$safeeval,'importmode');
641: $result='<import id="'.$token->[2]{'id'}.'" importmode="'.$token->[2]{'importmode'}.'">';
642: $result.=&Apache::edit::modifiedfield("/import",$parser);
643: } elsif ($target eq 'meta') {
644: my $id= &Apache::lonxml::get_id($parstack,$safeeval);
645: $result.='<import part="'.$Apache::inputtags::part;
646: if ($id) {
647: $result.='" id="'.$id;
648: }
649: $result.='" importmode="'.$token->[2]{'importmode'}.'">';
650: $result.=$bodytext;
651: $result.='</import>';
652: }
653: return $result;
654: }
655:
656: sub end_import {
657: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
658: pop(@Apache::inputtags::import);
659: my $result;
660: if ($target eq 'edit' ) { $result=&Apache::edit::end_row.
661: &Apache::edit::end_table(); }
662: return $result;
663: }
664:
665: sub start_storetc {
666: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
667: my $result = '';
668: &Apache::lonxml::startredirection;
669: return $result;
670: }
671:
672: sub end_storetc {
673: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
674: my $result;
675: my $output=&Apache::lonxml::endredirection;
676: $output =~ s/\"/\"\;/g;
677: $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
678: return $result;
679: }
680:
681:
682: sub start_physnet {
683: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
684: my $bodytext = '/res/adm/includes/physnet.sty';
685: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
686: my $cbistyletext=&Apache::lonnet::getfile($location);
687:
688: %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
689: if (keys(%$style) && (($target eq 'web') || ($target eq 'tex'))) {
690: $$parser['-1']->unget_token($token);
691: }
692: # if ( defined($$style{'physnet'}) ) {
693: # &Apache::lonxml::newparser($parser,\$$style{'physnet'});
694: # }
695: return "";
696: }
697:
698: sub end_physnet {
699: return '';
700: }
701:
702: sub start_standalone {
703: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
704: my $result='';
705: if ($target eq 'web' || $target eq 'webgrade') {
706: if ( $env{'request.course.id'} ) {
707: my $inside = &Apache::lonxml::get_all_text("/standalone",$parser,$style);
708: } else {
709: $result='<table bgcolor="#E1E1E1" border="2"><tr><td>';
710: }
711: }
712: return $result;
713: }
714:
715: sub end_standalone {
716: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
717: my $result='';
718: if ($target eq 'web' || $target eq 'webgrade' ) {
719: if ( $env{'request.course.id'} ) {
720: } else {
721: $result='</td></tr></table>';
722: }
723: }
724: return $result;
725: }
726:
727: sub start_comment {
728: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
729: my $result='';
730: if ($target eq 'edit') {
731: $result=&Apache::edit::tag_start($target,$token);
732: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style);
733: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4)
734: } elsif ( $target eq 'modified') {
735: $result=$token->[4].&Apache::edit::modifiedfield("/comment",$parser);
736: } elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
737: $target eq 'answer' || $target eq 'meta' || $target eq 'analyze' ||
738: $target eq 'webgrade') {
739: #normally throw away comments
740: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style);
741: }
742: return $result;
743: }
744:
745: sub end_comment {
746: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
747: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
748: return '';
749: }
750:
751:
752: sub xmlparse {
753: my ($string) = @_;
754: &Apache::lonxml::debug("xmlparse recursion starting with $string");
755: # Apache::run::evaluate does an 'eval' on the name of the subroutine
756: # if it detects something that looks like a subroutine, this ends up calling
757: # things without any arguments and since perl is nice enough to pass
758: # along the default arguments when you don't explicitly say no arguments
759: # if you call &xmlparse, it gets &xmlparse passed as it argument.
760: # Same thing soccurs with &chemparse.
761: if ($string eq '&xmlparse') { return '&xmlparse'; }
762: if ($string eq '&chemparse') { return '&chemparse'; }
763: my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
764: @Apache::scripttag::parser_env;
765: my @parser;
766: &Apache::lonxml::newparser(\@parser,\$string);
767: &Apache::lonxml::startredirection();
768: my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
769: $parstack,\@parser,
770: $safeeval,$style);
771: $result.=&Apache::lonxml::endredirection();
772: &Apache::lonxml::debug("target is $target xmlparse recursion ending with $result");
773: return $result;
774: }
775:
776: sub start_num {
777: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
778: my $result = '';
779: my $inside = &Apache::lonxml::get_all_text_unbalanced("/num",$parser);
780: if ($target eq 'tex' || $target eq 'web' || $target eq 'webgrade') {
781: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
782: if (!$Apache::lonxml::default_homework_loaded) {
783: &Apache::lonxml::default_homework_load($safeeval);
784: }
785: @Apache::scripttag::parser_env = @_;
786: my $format=&Apache::lonxml::get_param('format',$parstack,$safeeval);
787: $result=&Apache::run::run("return &prettyprint(q\0$inside\0,q\0$format\0);",$safeeval);
788: }
789: return $result;
790: }
791:
792: sub end_num {
793: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
794: my $result = '';
795: return $result;
796: }
797:
798: sub start_parse {
799: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
800: my $result = '';
801: if ( $target eq 'web' || $target eq 'tex' ||
802: $target eq 'grade' || $target eq 'answer' ||
803: $target eq 'analyze'|| $target eq 'webgrade') {
804: my $inside = &Apache::lonxml::get_all_text_unbalanced("/parse",$parser);
805: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
806: if (!$Apache::lonxml::default_homework_loaded) {
807: &Apache::lonxml::default_homework_load($safeeval);
808: }
809: @Apache::scripttag::parser_env = @_;
810: $result=&Apache::run::run("return &xmlparse(q\0$inside\0);",$safeeval);
811: if ($target eq 'grade' || $target eq 'answer' ||
812: $target eq 'analyze') {
813: # grade/answer/analyxe should produce no output but if we
814: # are redirecting, the redirecter should know what to do
815: # with the output
816: if (!$Apache::lonxml::redirection) { $result=''; }
817: }
818: }
819: return $result;
820: }
821:
822: sub end_parse {
823: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
824: my $result = '';
825: return $result;
826: }
827:
828: sub start_algebra {
829: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
830: my $result = '';
831: if ( $target eq 'web' || $target eq 'tex' ||
832: $target eq 'grade' || $target eq 'answer' ||
833: $target eq 'analyze' || $target eq 'webgrade') {
834: my $inside = &Apache::lonxml::get_all_text_unbalanced("/algebra",$parser);
835: $inside = &Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
836: if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') {
837: my $style=&Apache::lonxml::get_param('style',$parstack,$safeeval);
838: $result=&Apache::lontexconvert::algebra($inside,$target,$style,$parstack,$safeeval);
839: }
840: $Apache::lonxml::post_evaluate=0;
841: }
842: return $result;
843: }
844:
845: sub end_algebra {
846: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
847: my $result = '';
848: return $result;
849: }
850:
851: 1;
852: __END__
853:
854: =pod
855:
856: =head1 NAME
857:
858: Apache::scripttag.pm
859:
860: =head1 SYNOPSIS
861:
862: implements <script>, <scriptlib>, <parserlib>,
863: and <import>
864:
865: This is part of the LearningOnline Network with CAPA project
866: described at http://www.lon-capa.org.
867:
868: =cut
869:
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