1: # The LearningOnline Network with CAPA
2: # <script> definiton
3: # 2/21 Guy
4: # 8/20 Gerd Kortemeyer
5:
6: package Apache::scripttag;
7:
8: use strict;
9: use Apache::lonnet;
10: use Apache::style;
11:
12: #Globals
13: # this used to pass around the standard callsub arguments to a tag func
14: # so xmlparse can reenter the inner_xmlparse loop.
15:
16: @Apache::scripttag::parser_env = ();
17: sub BEGIN {
18: &Apache::lonxml::register('Apache::scripttag',('script','scriptlib',
19: 'parserlib','import',
20: 'window','display',
21: 'storetc','physnet'));
22: }
23:
24: sub start_script {
25: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
26: @Apache::scripttag::parser_env = @_;
27: my $result='';
28: my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
29: &Apache::lonxml::debug("found type of $type");
30: if ($type eq "loncapa/perl") {
31: my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
32: if ( $target eq "modified" ) {
33: $result=$token->[4].&Apache::edit::modifiedfield();
34: } elsif ( $target eq "web" || $target eq "grade" || $target eq 'answer') {
35: &Apache::run::run($bodytext,$safeeval);
36: } elsif ($target eq "edit" ) {
37: #&Apache::run::run($bodytext,$safeeval);
38: #$result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
39: $result=&Apache::edit::tag_start($target,$token,'Script');
40: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',50,4);
41: }
42: } else {
43: if ($target ne "meta") { $result = $token->[4]; }
44: }
45: return $result;
46: }
47:
48: sub end_script {
49: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
50: if ( $target eq "meta" ) { return ''; }
51: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
52: my $result='';
53: #other script blocks need to survive
54: if ($type ne "loncapa/perl") { return $token->[2]; }
55: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
56: return '';
57: }
58:
59: sub start_display {
60: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
61:
62: my $result;
63: my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);
64:
65: if ( $target eq "modified" ) {
66: $result=$token->[4].&Apache::edit::modifiedfield();
67: } elsif ( $target eq "web" || $target eq "grade" || $target eq 'answer') {
68: $result=&Apache::run::run($bodytext,$safeeval);
69: if ($target eq 'grade' ) {
70: $result=''; # grade should produce no output
71: }
72: } elsif ($target eq "edit" ) {
73: #$result =
74: # "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
75: #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
76: $result=&Apache::edit::tag_start($target,$token,'Script With Display');
77: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1)
78: }
79: return $result;
80: }
81:
82: sub end_display {
83: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
84: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
85: return '';
86: }
87:
88: sub start_scriptlib {
89: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
90: my $bodytext;
91: my $result ='';
92: my $error='';
93:
94: if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit' || $target eq 'answer') {
95: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
96: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
97: $$parstack[$#$parstack]);
98: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
99: $bodytext);
100: my $script=&Apache::lonnet::getfile($location);
101: if ($script == -1) {
102: if ($target eq 'edit') {
103: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
104: } else {
105: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
106: return "";
107: }
108: }
109: &Apache::run::run($script,$safeeval);
110: #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
111: }
112: if ($target eq "edit" ) {
113: $result=
114: &Apache::edit::tag_start($target,$token,'New Script Functions').
115: &Apache::edit::editfield($token->[1],$bodytext,'',40,1).
116: $error.'</td></tr>'.
117: &Apache::edit::end_table();
118: }
119: if ($target eq "modified" ) {
120: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
121: $result=&Apache::edit::modifiedfield($token);
122: &Apache::lonxml::debug($result);
123: }
124: return $result;
125: }
126:
127: sub end_scriptlib {
128: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
129: my @result;
130: if ($target eq "edit" ) { $result[1]='no'; }
131: return @result;
132: }
133:
134: sub start_parserlib {
135: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
136: my $bodytext;
137: my $result ="";
138: my $error='';
139: if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit' || $target eq 'answer') {
140: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
141: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
142: $$parstack[$#$parstack]);
143: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
144: $bodytext);
145: my $styletext=&Apache::lonnet::getfile($location);
146: #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
147: if ($styletext == -1) {
148: if ($target eq 'edit') {
149: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
150: } else {
151: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
152: return "";
153: }
154: }
155: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
156: }
157: if ($target eq "edit" ) {
158: $result=
159: &Apache::edit::tag_start($target,$token,'New Tag Definitions').
160: &Apache::edit::editfield($token->[1],$bodytext,'',40,1).
161: $error.'</td></tr>'.
162: &Apache::edit::end_table();
163: }
164: if ($target eq "modified" ) {
165: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
166: $result=&Apache::edit::modifiedfield($token);
167: &Apache::lonxml::debug($result);
168: }
169: return $result;
170: }
171:
172: sub end_parserlib {
173: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
174: my @result;
175: if ($target eq "edit" ) { $result[1]='no'; }
176: return @result;
177: }
178:
179: sub start_window {
180: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
181: my $result = '';
182: if ($target eq 'web') {
183: &Apache::lonxml::startredirection;
184: } elsif ($target eq 'tex') {
185: $result = '\unskip\footnote{';
186: }
187: return $result;
188: }
189:
190: sub end_window {
191: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
192: my $result;
193: if ($target eq 'web') {
194: my $output=&Apache::lonxml::endredirection;
195: $output =~ s/\"/\"\;/g;
196: $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"> $output </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
197: } elsif ($target eq 'tex') {
198: $result = '}';
199: } else {
200: $result = '';
201: }
202: return $result;
203: }
204:
205: sub start_import {
206: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
207: my $bodytext=$$parser[$#$parser]->get_text("/import");
208: my $result ="";
209:
210: $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
211:
212: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
213: # FIXME this probably needs to be smart about construction vs.
214: # non construction space.
215: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
216: my $file=&Apache::lonnet::getfile($location);
217: if ($file == -1) {
218: &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
219: return "";
220: }
221:
222: my $dir=$location;
223: $dir=~s:/[^/]*$::;
224: # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
225: &Apache::lonxml::newparser($parser,\$file,$dir);
226: }
227: if ($target eq "edit" ) {
228: $result.=&Apache::edit::tag_start($target,$token);
229: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
230: #FIXME this need to convert $bodytext to be a contruction space reference
231: #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
232: #$result.="Click<a href=\"$location\">here</a> to edit<br />"
233: }
234: if ($target eq 'modified') {
235: $bodytext=$$parser[$#$parser]->get_text("/import");
236: $result=&Apache::edit::modifiedfield($token);
237: &Apache::lonxml::debug($result);
238: }
239: return $result;
240: }
241:
242: sub end_import {
243: return '';
244: }
245:
246: sub start_storetc {
247: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
248: my $result = '';
249: &Apache::lonxml::startredirection;
250: return $result;
251: }
252:
253: sub end_storetc {
254: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
255: my $result;
256: my $output=&Apache::lonxml::endredirection;
257: $output =~ s/\"/\"\;/g;
258: $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
259: return $result;
260: }
261:
262:
263: sub start_physnet {
264: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
265: my $bodytext = '/adm/includes/physnet.sty';
266: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
267: my $cbistyletext=&Apache::lonnet::getfile($location);
268:
269: %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
270: if ( defined($$style{'physnet'}) ) {
271: &Apache::lonxml::newparser($parser,\$$style{'physnet'});
272: }
273: return "";
274: }
275:
276: sub end_physnet {
277: return '';
278: }
279:
280: sub xmlparse {
281: my ($string) = @_;
282: &Apache::lonxml::debug("Got $string");
283: my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
284: @Apache::scripttag::parser_env;
285: my @parser;
286: &Apache::lonxml::newparser(\@parser,\$string);
287: my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
288: $parstack,\@parser,
289: $safeeval,$style);
290: return $result;
291: }
292:
293: 1;
294: __END__
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