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",$$parser[$#$parser]);
32: if ( $target eq "modified" ) {
33: $result=$token->[4].&Apache::edit::modifiedfield();
34: } elsif ( $target eq "web" || $target eq "grade" || $target eq 'answer') {
35: &Apache::run::run($bodytext,$safeeval);
36: if (($ENV{'request.state'} eq 'construct') && ($target eq 'web')) {
37: $Apache::lonxml::evaluate--;
38: $result.="<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200,scrollbars=1\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor="#FFFFFF"><pre>";
39: my $listing= &Apache::run::dump($target,$safeeval);
40: $listing =~ s/\n/\\n/g;
41: $result.=$listing;
42: $result.= "</pre></body></html>\');newWindow.document.close();void(0);\">Script Vars</a>";
43: }
44: } elsif ($target eq "edit" ) {
45: #&Apache::run::run($bodytext,$safeeval);
46: #$result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
47: $result=&Apache::edit::tag_start($target,$token,'Script');
48: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',50,4);
49: }
50: } else {
51: if ($target ne "meta") { $result = $token->[4]; }
52: }
53: return $result;
54: }
55:
56: sub end_script {
57: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
58: if ( $target eq "meta" ) { return ''; }
59: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
60: my $result='';
61: #other script blocks need to survive
62: if ($type ne "loncapa/perl") {
63: return $token->[2];
64: } elsif ($target eq 'edit' ) {
65: return &Apache::edit::end_table();
66: } elsif (($ENV{'request.state'} eq 'construct') && ($target eq 'web')) {
67: $Apache::lonxml::evaluate++;
68: }
69: return '';
70: }
71:
72: sub start_display {
73: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
74:
75: my $result;
76: my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);
77:
78: if ( $target eq "modified" ) {
79: $result=$token->[4].&Apache::edit::modifiedfield();
80: } elsif ( $target eq "web" || $target eq "grade" || $target eq 'answer') {
81: $result=&Apache::run::run($bodytext,$safeeval);
82: if ($target eq 'grade' ) {
83: $result=''; # grade should produce no output
84: }
85: } elsif ($target eq "edit" ) {
86: #$result =
87: # "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
88: #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
89: $result=&Apache::edit::tag_start($target,$token,'Script With Display');
90: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1)
91: }
92: return $result;
93: }
94:
95: sub end_display {
96: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
97: if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
98: return '';
99: }
100:
101: sub start_scriptlib {
102: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
103: my $bodytext;
104: my $result ='';
105: my $error='';
106:
107: if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit' || $target eq 'answer') {
108: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
109: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
110: $$parstack[$#$parstack]);
111: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
112: $bodytext);
113: my $script=&Apache::lonnet::getfile($location);
114: if ($script == -1) {
115: if ($target eq 'edit') {
116: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
117: } else {
118: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
119: return "";
120: }
121: }
122: &Apache::run::run($script,$safeeval);
123: #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
124: }
125: if ($target eq "edit" ) {
126: $result=
127: &Apache::edit::tag_start($target,$token,'New Script Functions').
128: &Apache::edit::editfield($token->[1],$bodytext,'',40,1).
129: $error.'</td></tr>'.
130: &Apache::edit::end_table();
131: }
132: if ($target eq "modified" ) {
133: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
134: $result=&Apache::edit::modifiedfield($token);
135: &Apache::lonxml::debug($result);
136: }
137: return $result;
138: }
139:
140: sub end_scriptlib {
141: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
142: my @result;
143: if ($target eq "edit" ) { $result[1]='no'; }
144: return @result;
145: }
146:
147: sub start_parserlib {
148: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
149: my $bodytext;
150: my $result ="";
151: my $error='';
152: if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit' || $target eq 'answer') {
153: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
154: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
155: $$parstack[$#$parstack]);
156: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
157: $bodytext);
158: my $styletext=&Apache::lonnet::getfile($location);
159: #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
160: if ($styletext == -1) {
161: if ($target eq 'edit') {
162: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
163: } else {
164: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
165: return "";
166: }
167: }
168: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
169: }
170: if ($target eq "edit" ) {
171: $result=
172: &Apache::edit::tag_start($target,$token,'New Tag Definitions').
173: &Apache::edit::editfield($token->[1],$bodytext,'',40,1).
174: $error.'</td></tr>'.
175: &Apache::edit::end_table();
176: }
177: if ($target eq "modified" ) {
178: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
179: $result=&Apache::edit::modifiedfield($token);
180: &Apache::lonxml::debug($result);
181: }
182: return $result;
183: }
184:
185: sub end_parserlib {
186: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
187: my @result;
188: if ($target eq "edit" ) { $result[1]='no'; }
189: return @result;
190: }
191:
192: sub start_window {
193: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
194: my $result = '';
195: if ($target eq 'web') {
196: &Apache::lonxml::startredirection;
197: } elsif ($target eq 'tex') {
198: $result = '\unskip\footnote{';
199: }
200: return $result;
201: }
202:
203: sub end_window {
204: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
205: my $result;
206: if ($target eq 'web') {
207: my $output=&Apache::lonxml::endredirection;
208: $output =~ s/\"/\"\;/g;
209: $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"> $output </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
210: } elsif ($target eq 'tex') {
211: $result = '}';
212: } else {
213: $result = '';
214: }
215: return $result;
216: }
217:
218: sub start_import {
219: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
220: my $bodytext=$$parser[$#$parser]->get_text("/import");
221: my $result ="";
222:
223: $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
224:
225: if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
226: # FIXME this probably needs to be smart about construction vs.
227: # non construction space.
228: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
229: my $file=&Apache::lonnet::getfile($location);
230: if ($file == -1) {
231: &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
232: return "";
233: }
234:
235: my $dir=$location;
236: $dir=~s:/[^/]*$::;
237: # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
238: &Apache::lonxml::newparser($parser,\$file,$dir);
239: }
240: if ($target eq "edit" ) {
241: $result.=&Apache::edit::tag_start($target,$token);
242: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
243: #FIXME this need to convert $bodytext to be a contruction space reference
244: #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
245: #$result.="Click<a href=\"$location\">here</a> to edit<br />"
246: }
247: if ($target eq 'modified') {
248: $bodytext=$$parser[$#$parser]->get_text("/import");
249: $result=&Apache::edit::modifiedfield($token);
250: &Apache::lonxml::debug($result);
251: }
252: return $result;
253: }
254:
255: sub end_import {
256: return '';
257: }
258:
259: sub start_storetc {
260: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
261: my $result = '';
262: &Apache::lonxml::startredirection;
263: return $result;
264: }
265:
266: sub end_storetc {
267: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
268: my $result;
269: my $output=&Apache::lonxml::endredirection;
270: $output =~ s/\"/\"\;/g;
271: $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
272: return $result;
273: }
274:
275:
276: sub start_physnet {
277: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
278: my $bodytext = '/adm/includes/physnet.sty';
279: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
280: my $cbistyletext=&Apache::lonnet::getfile($location);
281:
282: %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
283: if ( defined($$style{'physnet'}) ) {
284: &Apache::lonxml::newparser($parser,\$$style{'physnet'});
285: }
286: return "";
287: }
288:
289: sub end_physnet {
290: return '';
291: }
292:
293: sub xmlparse {
294: my ($string) = @_;
295: &Apache::lonxml::debug("Got $string");
296: my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
297: @Apache::scripttag::parser_env;
298: my @parser;
299: &Apache::lonxml::newparser(\@parser,\$string);
300: my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
301: $parstack,\@parser,
302: $safeeval,$style);
303: return $result;
304: }
305:
306: 1;
307: __END__
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