1: # The LearningOnline Network with CAPA
2: # <script> definiton
3: # 2/21 Guy
4:
5: package Apache::scripttag;
6:
7: use strict;
8: use Apache::lonnet;
9:
10: sub BEGIN {
11: &Apache::lonxml::register('Apache::scripttag',('script','scriptlib',
12: 'parserlib','import',
13: 'window','display'));
14: }
15:
16: sub start_script {
17: my ($target,$token,$parstack,$parser,$safeeval)=@_;
18: my $result='';
19: my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
20: &Apache::lonxml::debug("found type of $type");
21: if ($type eq "loncapa/perl") {
22: my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
23:
24: if ( $target eq "modified" ) {
25: $result=$token->[4].$bodytext;
26: } elsif ( $target eq "web" || $target eq "grade" ) {
27: &Apache::run::run($bodytext,$safeeval);
28: } elsif ($target eq "edit" ) {
29: &Apache::run::run($bodytext,$safeeval);
30: $result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
31: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',50,5);
32: }
33: } else {
34: if ($target ne "meta") { $result = $token->[4]; }
35: }
36: return $result;
37: }
38:
39: sub end_script {
40: my ($target,$token,$parstack,$parser,$safeeval)=@_;
41: if ( $target eq "meta" ) { return ''; }
42: my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
43: my $result='';
44: #other script blocks need to survive
45: if ($type ne "loncapa/perl") { return $token->[2]; }
46: return '';
47: }
48:
49: sub start_display {
50: my ($target,$token,$parstack,$parser,$safeeval)=@_;
51:
52: my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);
53:
54: if ( $target eq "modified" ) {
55: }
56: my $result=&Apache::run::run($bodytext,$safeeval);
57: if ($target eq 'grade' ) {
58: # grade should produce no output
59: $result='';
60: }
61: if ($target eq "edit" ) {
62: $result =
63: "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />";
64: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
65: }
66: return $result;
67: }
68:
69: sub end_display {
70: return ''
71: }
72:
73: sub start_scriptlib {
74: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
75: my $bodytext;
76: my $result ='';
77: my $error='';
78:
79: if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit') {
80: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
81: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
82: $$parstack[$#$parstack]);
83: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
84: $bodytext);
85: my $script=&Apache::lonnet::getfile($location);
86: if ($script == -1) {
87: if ($target eq 'edit') {
88: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
89: } else {
90: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
91: return "";
92: }
93: }
94: &Apache::run::run($script,$safeeval);
95: #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
96: }
97: if ($target eq "edit" ) {
98: $result=
99: &Apache::edit::tag_start($target,$token).
100: &Apache::edit::editfield($token->[1],$bodytext,'New Script Functions',40,1).
101: $error;
102: }
103: if ($target eq "modified" ) {
104: $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
105: $result=&Apache::edit::modifiedfield($token);
106: &Apache::lonxml::debug($result);
107: }
108: return $result;
109: }
110:
111: sub end_scriptlib {
112: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
113: my $result='';
114: # if ($target eq "edit" ) { $result=" "; }
115: return $result;
116: }
117:
118: sub start_parserlib {
119: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
120: my $bodytext;
121: my $result ="";
122: my $error='';
123:
124: if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit') {
125: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
126: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
127: $$parstack[$#$parstack]);
128: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
129: $bodytext);
130: my $styletext=&Apache::lonnet::getfile($location);
131: #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
132: if ($styletext == -1) {
133: if ($target eq 'edit') {
134: $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
135: } else {
136: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
137: return "";
138: }
139: }
140: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
141: }
142: if ($target eq "edit" ) {
143: $result=
144: &Apache::edit::tag_start($target,$token).
145: &Apache::edit::editfield($token->[1],$bodytext,"New Tag Definitions",40,1).
146: $error;
147: }
148: if ($target eq "modified" ) {
149: $bodytext=$$parser[$#$parser]->get_text("/parserlib");
150: $result=&Apache::edit::modifiedfield($token);
151: &Apache::lonxml::debug($result);
152: }
153: return $result;
154: }
155:
156: sub end_parserlib {
157: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
158: my $result='';
159: # if ($target eq "edit" ) {
160: # $result=&Apache::edit::tag_end($target,$token);
161: # }
162: return $result;
163: }
164:
165: sub start_window {
166: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
167: my $result = '';
168: if ($target eq 'web') {
169: &Apache::lonxml::startredirection;
170: } elsif ($target eq 'tex') {
171: $result = '\footnote{';
172: }
173: return $result;
174: }
175:
176: sub end_window {
177: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
178: my $result;
179: if ($target eq 'web') {
180: my $output=&Apache::lonxml::endredirection;
181: $output =~ s/\"/\"\;/g;
182: $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"> $output </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
183: } elsif ($target eq 'tex') {
184: $result = '}';
185: } else {
186: $result = '';
187: }
188: return $result;
189: }
190:
191: sub start_import {
192: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
193: my $bodytext=$$parser[$#$parser]->get_text("/import");
194: my $result ="";
195:
196: $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
197: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
198: my $file=&Apache::lonnet::getfile($location);
199: if ($file == -1) {
200: &Apache::lonxml::error("<b> Unable to find <i>$bodytext $location</i> for import</b>");
201: return "";
202: }
203:
204: my $dir=$location;
205: $dir=~s:/[^/]*$::;
206: # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
207: &Apache::lonxml::newparser($parser,\$file,$dir);
208:
209: if ($target eq "edit" ) {
210: $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
211: $result.="Click<a href=\"/res/$bodytext\">here</a> to edit<br />"
212: }
213: return '';
214: }
215:
216: sub end_import {
217: }
218:
219: sub start_meta {
220: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
221: my $result = '';
222: if ($target ne 'meta') {
223: $result = &Apache::lonxml::get_all_text("/meta",$$parser[$#$parser]);
224: $result = '';
225: return $result;
226: } else {
227: return $result;
228: }
229: }
230:
231: sub end_meta {
232: }
233:
234: sub getfilenothere {
235: my ($filename) = @_;
236: my $a="";
237:
238: $filename=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces
239: $filename="/home/httpd/html/res".$filename;
240: if (! -e $filename ) {
241: &Apache::lonnet::subscribe($filename);
242: &Apache::lonnet::repcopy($filename);
243: }
244: if (! -e $filename ) { return -1; };
245: my $fh=Apache::File->new($filename);
246: while (<$fh>) {
247: $a .=$_;
248: }
249: return $a
250: }
251:
252: 1;
253: __END__
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