Annotation of loncom/xml/scripttag.pm, revision 1.32
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # <script> definiton
3:
4:
5: package Apache::scripttag;
6:
7: use strict;
1.3 albertel 8: use Apache::lonnet;
1.1 albertel 9:
10: sub BEGIN {
1.6 albertel 11: &Apache::lonxml::register('Apache::scripttag',('script','scriptlib',
1.20 sakharuk 12: 'parserlib','import',
1.32 ! albertel 13: 'window','display'));
1.1 albertel 14: }
15:
16: sub start_script {
1.2 albertel 17: my ($target,$token,$parstack,$parser,$safeeval)=@_;
1.17 albertel 18: my $args ='';
1.29 albertel 19: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
1.17 albertel 20: my $type = &Apache::run::run("{$args;".'return $type}',$safeeval);
1.24 albertel 21: my $result='';
1.18 albertel 22: #&Apache::lonxml::debug("found type of $type");
1.17 albertel 23: if ($type eq "loncapa/perl") {
1.21 albertel 24: my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
1.17 albertel 25:
26: if ( $target eq "modified" ) {
1.28 albertel 27: } elsif ( $target eq "web" || $target eq "grade" ) {
28: &Apache::run::run($bodytext,$safeeval);
29: } elsif ($target eq "edit" ) {
30: &Apache::run::run($bodytext,$safeeval);
1.24 albertel 31: $result="<br> <$token->[1]> output: <br>$bodytext<br>Source:<br>";
32: $result.=&editfield($token->[1],$bodytext);
1.17 albertel 33: }
34: } else {
1.28 albertel 35: if ($target ne "meta") { $result = $token->[4]; }
1.13 albertel 36: }
1.24 albertel 37: return $result;
1.17 albertel 38: }
1.13 albertel 39:
1.17 albertel 40: sub end_script {
41: my ($target,$token,$parstack,$parser,$safeeval)=@_;
1.28 albertel 42: if ( $target eq "meta" ) { return ''; }
1.29 albertel 43: my $args ='';
44: if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
45: my $type = &Apache::run::run("{$args;".'return $type}',$safeeval);
46: my $result='';
47: #other script blocks need to survive
48: if ($type ne "loncapa/perl") { return $token->[2]; }
1.28 albertel 49: return '';
1.24 albertel 50: }
51:
52: sub start_display {
53: my ($target,$token,$parstack,$parser,$safeeval)=@_;
54: my $args ='';
55: if ( $#$parstack > -1 ) {
56: $args=$$parstack[$#$parstack];
57: }
58: my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);
59:
60: if ( $target eq "modified" ) {
61: }
62: my $result=&Apache::run::run($bodytext,$safeeval);
1.26 albertel 63: if ($target eq 'grade' ) {
64: # grade should produce no output
65: $result='';
66: }
1.24 albertel 67: if ($target eq "edit" ) {
68: $result =
69: "<br> <$token->[1]> output: <br>$bodytext<br>Source:<br>";
70: $result.=&editfield($token->[1],$bodytext);
71: }
72: return $result;
73: }
74:
75: sub end_display {
1.1 albertel 76: }
1.3 albertel 77:
78: sub start_scriptlib {
79: my ($target,$token,$parstack,$parser,$safeeval)=@_;
1.5 albertel 80: my $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
1.3 albertel 81: my $result ="";
1.13 albertel 82:
1.18 albertel 83: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
84: $$parstack[$#$parstack]);
85: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
86: $bodytext);
87: my $script=&Apache::lonnet::getfile($location);
88: if ($script == -1) {
89: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
90: return "";
91: }
92: &Apache::run::run($script,$safeeval);
93: #&Apache::lonxml::debug("ran $bodytext:<br>".&Apache::lonnet::getfile($bodytext)."<br>");
1.13 albertel 94:
95: if ($target eq "edit" ) {
96: $result.=&editfield($token->[1],$bodytext);
1.3 albertel 97: }
98: return $result;
99: }
100:
101: sub end_scriptlib {}
1.4 albertel 102:
103: sub start_parserlib {
104: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.6 albertel 105: my $bodytext=$$parser[$#$parser]->get_text("/parserlib");
1.7 albertel 106: my $result ="";
1.13 albertel 107:
1.18 albertel 108: $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
109: $$parstack[$#$parstack]);
110: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
111: $bodytext);
112: my $styletext=&Apache::lonnet::getfile($location);
1.28 albertel 113: #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
1.18 albertel 114: if ($styletext == -1) {
115: &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
116: return "";
117: }
118: %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
1.13 albertel 119:
120: if ($target eq "edit" ) {
1.7 albertel 121: $result=&editfield($token->[1],$bodytext);
122: }
123: return $result;
1.4 albertel 124: }
125:
126: sub end_parserlib {
1.6 albertel 127: }
128:
1.30 sakharuk 129: sub start_window {
1.19 sakharuk 130: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.20 sakharuk 131: my $result = '';
1.31 albertel 132: if ($target eq 'web') {
133: $Apache::lonxml::redirection = 0;
134: }
1.19 sakharuk 135: return $result;
136: }
137:
1.30 sakharuk 138: sub end_window {
1.19 sakharuk 139: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.30 sakharuk 140: my $result;
1.31 albertel 141: if ($target eq 'web') {
142: $Apache::lonxml::outputstack =~ s/\"/\"\;/g;
143: $result = "<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor="#FFFFFF"> $Apache::lonxml::outputstack </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
144: $Apache::lonxml::outputstack = "";
145: $Apache::lonxml::redirection = 1;
1.30 sakharuk 146: } else {
1.31 albertel 147: $result = '';
1.30 sakharuk 148: }
1.20 sakharuk 149: return $result;
1.19 sakharuk 150: }
151:
1.6 albertel 152: sub start_import {
1.7 albertel 153: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
1.31 albertel 154: my $bodytext=$$parser[$#$parser]->get_text("/import");
1.7 albertel 155: my $result ="";
1.13 albertel 156:
157: $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
1.18 albertel 158: my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
159: my $file=&Apache::lonnet::getfile($location);
160: if ($file == -1) {
161: &Apache::lonxml::error("<b> Unable to find <i>$bodytext $location</i> for import</b>");
162: return "";
1.14 albertel 163: }
164:
1.18 albertel 165: my $dir=$location;
1.30 sakharuk 166: $dir=~s:/[^/]*$::;
167: # &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
1.18 albertel 168: &Apache::lonxml::newparser($parser,\$file,$dir);
1.13 albertel 169:
170: if ($target eq "edit" ) {
171: $result.=&editfield($token->[1],$bodytext);
1.8 albertel 172: $result.="Click<a href=\"/res/$bodytext\">here</a> to edit<br></br>"
1.7 albertel 173: }
1.27 albertel 174: return '';
1.6 albertel 175: }
176:
177: sub end_import {
1.7 albertel 178: }
1.30 sakharuk 179:
180: sub start_meta {
181: my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
182: my $result = '';
183: if ($target ne 'meta') {
184: $result = &Apache::lonxml::get_all_text("/meta",$$parser[$#$parser]);
185: $result = '';
186: return $result;
187: } else {
188: return $result;
189: }
190: }
191:
192: sub end_meta {
193: }
1.7 albertel 194:
195: sub editfield {
196: my ($tag,$data)=@_;
197:
198: my $count=0;
199: my $maxlength=-1;
200: map { $count++;
201: if (length($_) > $maxlength) { $maxlength = length ($_); }
202: } split ("\n", $data);
203:
204: return "<br></br>\n<$tag><br></br>\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br></br>\n</$tag><br></br>\n";
1.4 albertel 205: }
1.3 albertel 206:
1.18 albertel 207: sub getfilenothere {
1.3 albertel 208: my ($filename) = @_;
209: my $a="";
1.11 tsai 210:
1.12 tsai 211: $filename=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces
1.10 albertel 212: $filename="/home/httpd/html/res".$filename;
213: if (! -e $filename ) {
214: &Apache::lonnet::subscribe($filename);
215: &Apache::lonnet::repcopy($filename);
216: }
1.14 albertel 217: if (! -e $filename ) { return -1; };
1.11 tsai 218: my $fh=Apache::File->new($filename);
219: while (<$fh>) {
1.3 albertel 220: $a .=$_;
221: }
222: return $a
1.1 albertel 223: }
1.3 albertel 224:
1.1 albertel 225: 1;
226: __END__
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