1: # The LearningOnline Network with CAPA
2: # <script> definiton
3: #
4: # $Id: scripttag.pm,v 1.88 2003/05/14 13:33:00 albertel 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: # 2/21 Guy
29: # 8/20 Gerd Kortemeyer
30:
31: package Apache::scripttag;
32:
33: use strict;
34: use Apache::lonnet;
35: use Apache::style;
36:
37: #Globals
38: # this used to pass around the standard callsub arguments to a tag func
39: # so xmlparse can reenter the inner_xmlparse loop.
40:
41: @Apache::scripttag::parser_env = ();
42: BEGIN {
43: &Apache::lonxml::register('Apache::scripttag',
44: ('script','scriptlib','parserlib','import',
45: 'window','display','storetc','physnet',
46: 'standalone','comment',
47: 'LONCAPA_INTERNAL_TURN_STYLE_ON',
48: 'LONCAPA_INTERNAL_LONHTTPD_PORT'));
49: }
50:
51: sub start_LONCAPA_INTERNAL_TURN_STYLE_ON {
52: $Apache::lonxml::usestyle=1;
53: return ('','no');
54: }
55:
56: sub end_LONCAPA_INTERNAL_TURN_STYLE_ON {
57: return ('','no');
58: }
59:
60: sub start_LONCAPA_INTERNAL_LONHTTPD_PORT {
61: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
62: if ($target eq 'web') {
63: my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
64: if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
65: return '<script type="text/javascript">var lonhttpdport=\''.
66: $lonhttpdPort.'\';</script>';
67: }
68: return ('','no');
69: }
70:
71: sub end_LONCAPA_INTERNAL_LONHTTPD_PORT {
72: return ('','no');
73: }
74:
75: sub start_script {
76: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
77: @Apache::scripttag::parser_env = @_;
78: my $result='';
79: my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
80: &Apache::lonxml::debug("found type of $type");
81: if ($type eq "loncapa/perl") {
82: my $bodytext=&Apache::lonxml::get_all_text("/script",$parser);
83: if ( $target eq "modified" ) {
84: $result=$token->[4].&Apache::edit::modifiedfield();
85: } elsif ( $target eq 'web' || $target eq 'tex' ||
86: $target eq 'grade' || $target eq 'answer' ||
87: $target eq 'analyze' ) {
88: if (!$Apache::lonxml::default_homework_loaded) {
89: &Apache::lonxml::default_homework_load($safeeval);
90: }
91: &Apache::run::run($bodytext,$safeeval);
92: if (($target eq 'answer') &&
93: ($ENV{'form.answer_output_mode'} ne 'tex') &&
94: ($Apache::lonhomework::viewgrades == 'F')) {
95: $Apache::lonxml::evaluate--;
96: $result.="<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200,scrollbars=1\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor="#FFFFFF"><pre>";
97: my $listing= &HTML::Entities::encode(&Apache::run::dump($target,$safeeval));
98:
99: $result.=$listing;
100: $result.= "</pre></body></html>\');newWindow.document.close();void(0);\">Script Vars</a><br />";
101: }
102: } elsif ($target eq "edit" ) {
103: #&Apache::run::run($bodytext,$safeeval);
104: #$result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
105: $result=&Apache::edit::tag_start($target,$token,'Script');
106: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4);
107: }
108: } else {
109: if ($target ne "meta") {
110: $result = $token->[4];
111: my $bodytext=&Apache::lonxml::get_all_text("/script",$parser);
112: $result.=$bodytext;
113: }
114: }
115: return $result;
116: }
117:
118: sub end_script {
119: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
120: if ( $target eq "meta" ) { return ''; }
121: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
122: my $result='';
123: #other script blocks need to survive
124: if ($type ne "loncapa/perl") {
125: return $token->[2];
126: } elsif ($target eq 'edit' ) {
127: return &Apache::edit::end_table();
128: } elsif ($target eq 'answer') {
129: $Apache::lonxml::evaluate++;
130: }
131: return '';
132: }
133:
134: sub start_display {
135: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
136:
137: my $result;
138: my $bodytext=&Apache::lonxml::get_all_text("/display",$parser);
139:
140: if ( $target eq "modified" ) {
141: $result=$token->[4].&Apache::edit::modifiedfield();
142: } elsif ( $target eq 'web' || $target eq 'tex' ||
143: $target eq 'grade' || $target eq 'answer' ||
144: $target eq 'analyze') {
145: if (!$Apache::lonxml::default_homework_loaded) {
146: &Apache::lonxml::default_homework_load($safeeval);
147: }
148: $result=&Apache::run::run($bodytext,$safeeval);
149: if ($target eq 'grade' || $target eq 'answer' ||
150: $target eq 'analyze') {
151: $result=''; # grade should produce no output
152: }
153: } elsif ($target eq "edit" ) {
154: #$result =
155: # "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
156: #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
157: $result=&Apache::edit::tag_start($target,$token,'Script With Display');
158: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,1)
159: }
160: return $result;
161: }
162:
163: sub end_display {
164: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
165: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
166: return '';
167: }
168:
169: sub start_scriptlib {
170: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
171: my $bodytext;
172: my $result ='';
173: my $error='';
174:
175: if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' ||
176: $target eq 'edit' || $target eq 'answer' || $target eq 'analyze') {
177: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
178: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
179: $$parstack[$#$parstack]);
180: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
181: $bodytext);
182: my $script=&Apache::lonnet::getfile($location);
183: if ($script == -1) {
184: if ($target eq 'edit') {
185: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
186: } else {
187: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
188: return "";
189: }
190: }
191: &Apache::run::run($script,$safeeval);
192: #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
193: }
194: if ($target eq "edit" ) {
195: $result=
196: &Apache::edit::tag_start($target,$token,'New Script Functions').
197: &Apache::edit::editline($token->[1],$bodytext,'scriptlib',40).
198: &Apache::edit::browse(undef,'textnode').
199: $error.'</td></tr>'.
200: &Apache::edit::end_table();
201: }
202: if ($target eq "modified" ) {
203: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
204: $result=$token->[4].&Apache::edit::modifiedfield($token);
205: &Apache::lonxml::debug($result);
206: }
207: return $result;
208: }
209:
210: sub end_scriptlib {
211: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
212: my @result;
213: if ($target eq "edit" ) { $result[1]='no'; }
214: return @result;
215: }
216:
217: sub start_parserlib {
218: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
219: my $bodytext;
220: my $result ="";
221: my $error='';
222: if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' ||
223: $target eq 'edit' || $target eq 'answer' || $target eq 'analyze') {
224: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
225: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
226: $$parstack[$#$parstack]);
227: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
228: $bodytext);
229: my $styletext=&Apache::lonnet::getfile($location);
230: #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
231: if ($styletext == -1) {
232: if ($target eq 'edit') {
233: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
234: } else {
235: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
236: return "";
237: }
238: }
239: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
240: }
241: if ($target eq "edit" ) {
242: $result=
243: &Apache::edit::tag_start($target,$token,'New Tag Definitions').
244: &Apache::edit::editline($token->[1],$bodytext,'',40).
245: $error.'</td></tr>'.
246: &Apache::edit::end_table();
247: }
248: if ($target eq "modified" ) {
249: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
250: $result=$token->[4].&Apache::edit::modifiedfield($token);
251: &Apache::lonxml::debug($result);
252: }
253: return $result;
254: }
255:
256: sub end_parserlib {
257: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
258: my @result;
259: if ($target eq "edit" ) { $result[1]='no'; }
260: return @result;
261: }
262:
263: sub start_window {
264: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
265: my $result = '';
266: if ($target eq 'web') {
267: &Apache::lonxml::startredirection;
268: } elsif ($target eq 'tex') {
269: $result = '\unskip\footnote{';
270: }
271: return $result;
272: }
273:
274: sub end_window {
275: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
276: my $result;
277: if ($target eq 'web') {
278: my $output=&Apache::lonxml::endredirection;
279: $output =~ s/\"/\"\;/g;
280: $result = "<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200,scrollbars=1\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor="#FFFFFF"> $output </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
281: } elsif ($target eq 'tex') {
282: $result = '}';
283: } else {
284: $result = '';
285: }
286: return $result;
287: }
288:
289: sub start_import {
290: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
291: my $bodytext=$$parser[$#$parser]->get_text("/import");
292: my $result ="";
293:
294: $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
295:
296: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
297: $target eq 'tex' || $target eq 'analyze' ) {
298: # FIXME this probably needs to be smart about construction vs.
299: # non construction space.
300: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
301: my $file=&Apache::lonnet::getfile($location);
302: if ($file == -1) {
303: &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
304: return "";
305: }
306:
307: my $dir=$location;
308: $dir=~s:/[^/]*$::;
309: # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
310: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
311: if (!$id) { $id=$Apache::lonxml::curdepth; }
312: push(@Apache::inputtags::import,$id);
313:
314: &Apache::lonxml::newparser($parser,\$file,$dir);
315:
316: } elsif ($target eq "edit" ) {
317: $result.=&Apache::edit::tag_start($target,$token);
318: $result.=&Apache::edit::editline($token->[1],$bodytext,'',40);
319: $result.=&Apache::edit::browse(undef,'textnode');
320: #FIXME this need to convert $bodytext to be a contruction space reference
321: #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
322: #$result.="Click<a href=\"$location\">here</a> to edit<br />"
323: } elsif ($target eq 'modified') {
324: $bodytext=$$parser[$#$parser]->get_text("/import");
325: $result=$token->[4].&Apache::edit::modifiedfield($token);
326: &Apache::lonxml::debug($result);
327: } elsif ($target eq 'meta') {
328: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
329: $result.='<import part="'.$Apache::inputtags::part;
330: if ($id) {
331: $result.='" id="'.$id;
332: }
333: $result.='">';
334: $result.=$bodytext;
335: $result.='</import>';
336: }
337: return $result;
338: }
339:
340: sub end_import {
341: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
342: pop(@Apache::inputtags::import);
343: my $result;
344: if ($target eq 'edit' ) { $result=&Apache::edit::end_table(); }
345: return $result;
346: }
347:
348: sub start_storetc {
349: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
350: my $result = '';
351: &Apache::lonxml::startredirection;
352: return $result;
353: }
354:
355: sub end_storetc {
356: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
357: my $result;
358: my $output=&Apache::lonxml::endredirection;
359: $output =~ s/\"/\"\;/g;
360: $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
361: return $result;
362: }
363:
364:
365: sub start_physnet {
366: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
367: my $bodytext = '/adm/includes/physnet.sty';
368: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
369: my $cbistyletext=&Apache::lonnet::getfile($location);
370:
371: %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
372: $$parser['-1']->unget_token($token);
373: # if ( defined($$style{'physnet'}) ) {
374: # &Apache::lonxml::newparser($parser,\$$style{'physnet'});
375: # }
376: return "";
377: }
378:
379: sub end_physnet {
380: return '';
381: }
382:
383: sub start_standalone {
384: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
385: my $result='';
386: if ($target eq 'web' ) {
387: if ( $ENV{'request.course.id'} ) {
388: my $inside = &Apache::lonxml::get_all_text("/standalone",$parser);
389: } else {
390: $result='<table bgcolor="#E1E1E1" border="2"><tr><td>';
391: }
392: }
393: return $result;
394: }
395:
396: sub end_standalone {
397: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
398: my $result='';
399: if ($target eq 'web' ) {
400: if ( $ENV{'request.course.id'} ) {
401: } else {
402: $result='</td></tr></table>';
403: }
404: }
405: return $result;
406: }
407:
408: sub start_comment {
409: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
410: my $result='';
411: if ($target eq 'edit') {
412: $result=&Apache::edit::tag_start($target,$token);
413: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser);
414: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4)
415: } elsif ( $target eq 'modified') {
416: $result=$token->[4].&Apache::edit::modifiedfield($token);
417: } elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
418: $target eq 'answer' || $target eq 'meta' || $target eq 'analyze') {
419: #normally throw away comments
420: my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser);
421: }
422: return $result;
423: }
424:
425: sub end_comment {
426: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
427: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
428: return '';
429: }
430:
431:
432: sub xmlparse {
433: my ($string) = @_;
434: # &Apache::lonxml::debug("Got $string");
435: my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
436: @Apache::scripttag::parser_env;
437: my @parser;
438: &Apache::lonxml::newparser(\@parser,\$string);
439: my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
440: $parstack,\@parser,
441: $safeeval,$style);
442: return $result;
443: }
444:
445: 1;
446: __END__
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