Annotation of loncom/xml/scripttag.pm, revision 1.72
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # <script> definiton
1.58 www 3: #
1.72 ! matthew 4: # $Id: scripttag.pm,v 1.71 2002/04/25 17:25:36 matthew 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: #
1.34 albertel 28: # 2/21 Guy
1.50 www 29: # 8/20 Gerd Kortemeyer
1.1 albertel 30:
1.47 albertel 31: package Apache::scripttag;
1.1 albertel 32:
33: use strict;
1.3 albertel 34: use Apache::lonnet;
1.42 sakharuk 35: use Apache::style;
1.1 albertel 36:
1.47 albertel 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 = ();
1.61 harris41 42: BEGIN {
1.62 albertel 43: &Apache::lonxml::register('Apache::scripttag',
44: ('script','scriptlib','parserlib','import',
45: 'window','display','storetc','physnet',
1.63 albertel 46: 'standalone'));
1.1 albertel 47: }
48:
49: sub start_script {
1.40 albertel 50: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.47 albertel 51: @Apache::scripttag::parser_env = @_;
1.24 albertel 52: my $result='';
1.39 albertel 53: my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
54: &Apache::lonxml::debug("found type of $type");
1.17 albertel 55: if ($type eq "loncapa/perl") {
1.21 albertel 56: my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
1.17 albertel 57: if ( $target eq "modified" ) {
1.41 albertel 58: $result=$token->[4].&Apache::edit::modifiedfield();
1.54 albertel 59: } elsif ( $target eq 'web' || $target eq 'tex' ||
60: $target eq 'grade' || $target eq 'answer') {
1.28 albertel 61: &Apache::run::run($bodytext,$safeeval);
1.60 albertel 62: if (($target eq 'answer') && ($Apache::lonhomework::viewgrades == 'F')) {
1.53 albertel 63: $Apache::lonxml::evaluate--;
64: $result.="<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200,scrollbars=1\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor="#FFFFFF"><pre>";
1.70 albertel 65: my $listing= &HTML::Entities::encode(&Apache::run::dump($target,$safeeval));
1.53 albertel 66: $result.=$listing;
1.55 albertel 67: $result.= "</pre></body></html>\');newWindow.document.close();void(0);\">Script Vars</a><br />";
1.53 albertel 68: }
1.28 albertel 69: } elsif ($target eq "edit" ) {
1.41 albertel 70: #&Apache::run::run($bodytext,$safeeval);
71: #$result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
72: $result=&Apache::edit::tag_start($target,$token,'Script');
73: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',50,4);
1.17 albertel 74: }
75: } else {
1.66 albertel 76: if ($target ne "meta") {
77: $result = $token->[4];
78: my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
79: $result.=$bodytext;
80: }
1.13 albertel 81: }
1.24 albertel 82: return $result;
1.17 albertel 83: }
1.13 albertel 84:
1.17 albertel 85: sub end_script {
1.40 albertel 86: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.28 albertel 87: if ( $target eq "meta" ) { return ''; }
1.39 albertel 88: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
1.29 albertel 89: my $result='';
90: #other script blocks need to survive
1.53 albertel 91: if ($type ne "loncapa/perl") {
92: return $token->[2];
93: } elsif ($target eq 'edit' ) {
94: return &Apache::edit::end_table();
1.55 albertel 95: } elsif (($ENV{'request.state'} eq 'construct') && ($target eq 'answer')) {
1.53 albertel 96: $Apache::lonxml::evaluate++;
97: }
1.28 albertel 98: return '';
1.24 albertel 99: }
100:
101: sub start_display {
1.40 albertel 102: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.39 albertel 103:
1.48 albertel 104: my $result;
1.24 albertel 105: my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);
1.39 albertel 106:
1.24 albertel 107: if ( $target eq "modified" ) {
1.48 albertel 108: $result=$token->[4].&Apache::edit::modifiedfield();
1.54 albertel 109: } elsif ( $target eq 'web' || $target eq 'tex' ||
110: $target eq 'grade' || $target eq 'answer') {
1.48 albertel 111: $result=&Apache::run::run($bodytext,$safeeval);
1.55 albertel 112: if ($target eq 'grade' || $target eq 'answer' ) {
1.48 albertel 113: $result=''; # grade should produce no output
114: }
115: } elsif ($target eq "edit" ) {
116: #$result =
117: # "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
118: #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
119: $result=&Apache::edit::tag_start($target,$token,'Script With Display');
120: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1)
1.24 albertel 121: }
122: return $result;
123: }
124:
125: sub end_display {
1.48 albertel 126: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
127: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
128: return '';
1.1 albertel 129: }
1.3 albertel 130:
131: sub start_scriptlib {
1.40 albertel 132: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37 albertel 133: my $bodytext;
134: my $result ='';
135: my $error='';
136:
1.51 albertel 137: if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit' || $target eq 'answer') {
1.37 albertel 138: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
139: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
140: $$parstack[$#$parstack]);
141: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
142: $bodytext);
143: my $script=&Apache::lonnet::getfile($location);
144: if ($script == -1) {
145: if ($target eq 'edit') {
146: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
147: } else {
148: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
149: return "";
150: }
151: }
152: &Apache::run::run($script,$safeeval);
153: #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
1.18 albertel 154: }
1.13 albertel 155: if ($target eq "edit" ) {
1.37 albertel 156: $result=
1.49 albertel 157: &Apache::edit::tag_start($target,$token,'New Script Functions').
1.68 albertel 158: &Apache::edit::editline($token->[1],$bodytext,'',40).
1.49 albertel 159: $error.'</td></tr>'.
160: &Apache::edit::end_table();
1.37 albertel 161: }
162: if ($target eq "modified" ) {
163: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
1.65 matthew 164: $result=$token->[4].&Apache::edit::modifiedfield($token);
1.37 albertel 165: &Apache::lonxml::debug($result);
1.3 albertel 166: }
167: return $result;
168: }
169:
1.37 albertel 170: sub end_scriptlib {
1.40 albertel 171: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49 albertel 172: my @result;
173: if ($target eq "edit" ) { $result[1]='no'; }
174: return @result;
1.37 albertel 175: }
1.4 albertel 176:
177: sub start_parserlib {
1.40 albertel 178: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.37 albertel 179: my $bodytext;
1.7 albertel 180: my $result ="";
1.37 albertel 181: my $error='';
1.51 albertel 182: if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit' || $target eq 'answer') {
1.37 albertel 183: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
184: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
185: $$parstack[$#$parstack]);
186: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
187: $bodytext);
188: my $styletext=&Apache::lonnet::getfile($location);
189: #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
190: if ($styletext == -1) {
191: if ($target eq 'edit') {
192: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
193: } else {
194: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
195: return "";
196: }
197: }
198: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
1.18 albertel 199: }
1.13 albertel 200: if ($target eq "edit" ) {
1.37 albertel 201: $result=
1.49 albertel 202: &Apache::edit::tag_start($target,$token,'New Tag Definitions').
1.68 albertel 203: &Apache::edit::editline($token->[1],$bodytext,'',40).
1.49 albertel 204: $error.'</td></tr>'.
205: &Apache::edit::end_table();
1.37 albertel 206: }
207: if ($target eq "modified" ) {
208: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
1.65 matthew 209: $result=$token->[4].&Apache::edit::modifiedfield($token);
1.37 albertel 210: &Apache::lonxml::debug($result);
1.7 albertel 211: }
212: return $result;
1.4 albertel 213: }
214:
215: sub end_parserlib {
1.40 albertel 216: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.49 albertel 217: my @result;
218: if ($target eq "edit" ) { $result[1]='no'; }
219: return @result;
1.6 albertel 220: }
221:
1.30 sakharuk 222: sub start_window {
1.40 albertel 223: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.20 sakharuk 224: my $result = '';
1.31 albertel 225: if ($target eq 'web') {
1.34 albertel 226: &Apache::lonxml::startredirection;
1.35 sakharuk 227: } elsif ($target eq 'tex') {
1.42 sakharuk 228: $result = '\unskip\footnote{';
1.35 sakharuk 229: }
1.19 sakharuk 230: return $result;
231: }
232:
1.30 sakharuk 233: sub end_window {
1.40 albertel 234: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.30 sakharuk 235: my $result;
1.31 albertel 236: if ($target eq 'web') {
1.34 albertel 237: my $output=&Apache::lonxml::endredirection;
238: $output =~ s/\"/\"\;/g;
1.35 sakharuk 239: $result = "<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200,scrollbars=1\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor="#FFFFFF"> $output </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
240: } elsif ($target eq 'tex') {
241: $result = '}';
1.30 sakharuk 242: } else {
1.35 sakharuk 243: $result = '';
1.30 sakharuk 244: }
1.20 sakharuk 245: return $result;
1.19 sakharuk 246: }
247:
1.6 albertel 248: sub start_import {
1.40 albertel 249: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.31 albertel 250: my $bodytext=$$parser[$#$parser]->get_text("/import");
1.7 albertel 251: my $result ="";
1.13 albertel 252:
253: $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
1.14 albertel 254:
1.51 albertel 255: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
1.46 albertel 256: # FIXME this probably needs to be smart about construction vs.
257: # non construction space.
258: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
259: my $file=&Apache::lonnet::getfile($location);
260: if ($file == -1) {
261: &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
262: return "";
263: }
1.13 albertel 264:
1.46 albertel 265: my $dir=$location;
266: $dir=~s:/[^/]*$::;
267: # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
1.57 albertel 268: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
269: if (!$id) { $id=$Apache::lonxml::curdepth; }
270: push(@Apache::inputtags::import,$id);
1.46 albertel 271: &Apache::lonxml::newparser($parser,\$file,$dir);
1.56 albertel 272: } elsif ($target eq "edit" ) {
1.46 albertel 273: $result.=&Apache::edit::tag_start($target,$token);
1.68 albertel 274: $result.=&Apache::edit::editline($token->[1],$bodytext,'',40);
1.46 albertel 275: #FIXME this need to convert $bodytext to be a contruction space reference
276: #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
277: #$result.="Click<a href=\"$location\">here</a> to edit<br />"
1.56 albertel 278: } elsif ($target eq 'modified') {
1.46 albertel 279: $bodytext=$$parser[$#$parser]->get_text("/import");
1.65 matthew 280: $result=$token->[4].&Apache::edit::modifiedfield($token);
1.46 albertel 281: &Apache::lonxml::debug($result);
1.56 albertel 282: } elsif ($target eq 'meta') {
1.57 albertel 283: my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
284: $result.='<import part="'.$Apache::inputtags::part;
285: if ($id) {
286: $result.='" id="'.$id;
287: }
288: $result.='">';
1.56 albertel 289: $result.=$bodytext;
290: $result.='</import>';
1.46 albertel 291: }
292: return $result;
1.6 albertel 293: }
294:
295: sub end_import {
1.69 albertel 296: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.57 albertel 297: pop(@Apache::inputtags::import);
1.69 albertel 298: my $result;
299: if ($target eq 'edit' ) { $result=&Apache::edit::end_table(); }
300: return $result;
1.1 albertel 301: }
1.42 sakharuk 302:
303: sub start_storetc {
1.43 albertel 304: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42 sakharuk 305: my $result = '';
306: &Apache::lonxml::startredirection;
307: return $result;
308: }
309:
310: sub end_storetc {
1.43 albertel 311: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.42 sakharuk 312: my $result;
313: my $output=&Apache::lonxml::endredirection;
314: $output =~ s/\"/\"\;/g;
1.52 albertel 315: $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
316: return $result;
1.42 sakharuk 317: }
318:
319:
320: sub start_physnet {
1.45 sakharuk 321: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.50 www 322: my $bodytext = '/adm/includes/physnet.sty';
1.45 sakharuk 323: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
324: my $cbistyletext=&Apache::lonnet::getfile($location);
1.42 sakharuk 325:
1.45 sakharuk 326: %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
1.59 albertel 327: $$parser['-1']->unget_token($token);
328: # if ( defined($$style{'physnet'}) ) {
329: # &Apache::lonxml::newparser($parser,\$$style{'physnet'});
330: # }
1.45 sakharuk 331: return "";
332: }
1.42 sakharuk 333:
1.45 sakharuk 334: sub end_physnet {
1.47 albertel 335: return '';
1.42 sakharuk 336: }
1.62 albertel 337:
338: sub start_standalone {
339: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.64 albertel 340: if ($target eq 'web' && $ENV{'request.course.id'} ) {
1.62 albertel 341: my $inside = &Apache::lonxml::get_all_text("/standalone",$$parser[-1]);
342: }
343: return '';
344: }
345:
346: sub end_standalone {
347: return '';
348: }
349:
1.42 sakharuk 350:
1.47 albertel 351: sub xmlparse {
352: my ($string) = @_;
353: &Apache::lonxml::debug("Got $string");
354: my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
355: @Apache::scripttag::parser_env;
356: my @parser;
357: &Apache::lonxml::newparser(\@parser,\$string);
358: my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
359: $parstack,\@parser,
360: $safeeval,$style);
361: return $result;
362: }
1.3 albertel 363:
1.1 albertel 364: 1;
365: __END__
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