1: # The LearningOnline Network with CAPA
2: # <script> definiton
3:
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: 'footnote','display'));
14: }
15:
16: sub start_script {
17: my ($target,$token,$parstack,$parser,$safeeval)=@_;
18: my $args ='';
19: if ( $#$parstack > -1 ) {
20: $args=$$parstack[$#$parstack];
21: }
22: my $type = &Apache::run::run("{$args;".'return $type}',$safeeval);
23: my $result='';
24: #&Apache::lonxml::debug("found type of $type");
25: if ($type eq "loncapa/perl") {
26: my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
27:
28: if ( $target eq "modified" ) {
29: }
30: &Apache::run::run($bodytext,$safeeval);
31:
32: if ($target eq "edit" ) {
33: $result="<br> <$token->[1]> output: <br>$bodytext<br>Source:<br>";
34: $result.=&editfield($token->[1],$bodytext);
35: }
36: } else {
37: $result = $token->[4];
38: }
39: return $result;
40: }
41:
42: sub end_script {
43: my ($target,$token,$parstack,$parser,$safeeval)=@_;
44: # return '';
45: return $token->[2];
46: }
47:
48: sub start_display {
49: my ($target,$token,$parstack,$parser,$safeeval)=@_;
50: my $args ='';
51: if ( $#$parstack > -1 ) {
52: $args=$$parstack[$#$parstack];
53: }
54: my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);
55:
56: if ( $target eq "modified" ) {
57: }
58: my $result=&Apache::run::run($bodytext,$safeeval);
59: if ($target eq 'grade' ) {
60: # grade should produce no output
61: $result='';
62: }
63: if ($target eq "edit" ) {
64: $result =
65: "<br> <$token->[1]> output: <br>$bodytext<br>Source:<br>";
66: $result.=&editfield($token->[1],$bodytext);
67: }
68: return $result;
69: }
70:
71: sub end_display {
72: }
73:
74: sub start_scriptlib {
75: my ($target,$token,$parstack,$parser,$safeeval)=@_;
76: my $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
77: my $result ="";
78:
79: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
80: $$parstack[$#$parstack]);
81: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
82: $bodytext);
83: my $script=&Apache::lonnet::getfile($location);
84: if ($script == -1) {
85: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
86: return "";
87: }
88: &Apache::run::run($script,$safeeval);
89: #&Apache::lonxml::debug("ran $bodytext:<br>".&Apache::lonnet::getfile($bodytext)."<br>");
90:
91: if ($target eq "edit" ) {
92: $result.=&editfield($token->[1],$bodytext);
93: }
94: return $result;
95: }
96:
97: sub end_scriptlib {}
98:
99: sub start_parserlib {
100: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
101: my $bodytext=$$parser[$#$parser]->get_text("/parserlib");
102: my $result ="";
103:
104: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
105: $$parstack[$#$parstack]);
106: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
107: $bodytext);
108: my $styletext=&Apache::lonnet::getfile($location);
109: if ($styletext == -1) {
110: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
111: return "";
112: }
113: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
114:
115: if ($target eq "edit" ) {
116: $result=&editfield($token->[1],$bodytext);
117: }
118: return $result;
119: }
120:
121: sub end_parserlib {
122: }
123:
124: sub start_footnote {
125: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
126: my $result = '';
127: $Apache::lonxml::redirection = 0;
128: return $result;
129: }
130:
131: sub end_footnote {
132: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
133: $Apache::lonxml::outputstack =~ s/\"/\"\;/g;
134: my $result = "<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor="#FFFFFF"> $Apache::lonxml::outputstack </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
135: $Apache::lonxml::outputstack = "";
136: $Apache::lonxml::redirection = 1;
137: return $result;
138: }
139:
140: sub start_import {
141: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
142: my $bodytext=$$parser[$#$parser]->get_text("/import");
143: my $result ="";
144:
145: $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
146: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
147: my $file=&Apache::lonnet::getfile($location);
148: if ($file == -1) {
149: &Apache::lonxml::error("<b> Unable to find <i>$bodytext $location</i> for import</b>");
150: return "";
151: }
152:
153: my $dir=$location;
154: $dir=~s:/[^/]*$::;
155: &Apache::lonxml::newparser($parser,\$file,$dir);
156:
157: if ($target eq "edit" ) {
158: $result.=&editfield($token->[1],$bodytext);
159: $result.="Click<a href=\"/res/$bodytext\">here</a> to edit<br></br>"
160: }
161: }
162:
163: sub end_import {
164: }
165:
166: sub editfield {
167: my ($tag,$data)=@_;
168:
169: my $count=0;
170: my $maxlength=-1;
171: map { $count++;
172: if (length($_) > $maxlength) { $maxlength = length ($_); }
173: } split ("\n", $data);
174:
175: return "<br></br>\n<$tag><br></br>\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br></br>\n</$tag><br></br>\n";
176: }
177:
178: sub getfilenothere {
179: my ($filename) = @_;
180: my $a="";
181:
182: $filename=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces
183: $filename="/home/httpd/html/res".$filename;
184: if (! -e $filename ) {
185: &Apache::lonnet::subscribe($filename);
186: &Apache::lonnet::repcopy($filename);
187: }
188: if (! -e $filename ) { return -1; };
189: my $fh=Apache::File->new($filename);
190: while (<$fh>) {
191: $a .=$_;
192: }
193: return $a
194: }
195:
196: 1;
197: __END__
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