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[LON-CAPA] /
rat /
lonratparms.pm
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Thu Dec 8 22:11:48 2011 UTC (12 years, 9 months ago) by
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1: # The LearningOnline Network with CAPA
2: # Set parameters inside of the RAT
3: #
4: # $Id: lonratparms.pm,v 1.29 2011/12/08 22:11:48 www Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28:
29: package Apache::lonratparms;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::lonhtmlcommon();
34: use Apache::lonlocal;
35: use Apache::lonnet;
36:
37: sub handler {
38: my $r = shift;
39: &Apache::loncommon::content_type($r,'text/html');
40: $r->send_http_header;
41: return OK if $r->header_only;
42:
43: # Get query string for limited number of parameters
44:
45: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
46: ['url','parms','resid']);
47:
48: # ------------------------------------------------------------------- Read file
49:
50: my $uri=$env{'form.url'}.'.meta';
51:
52: my %content;
53: my %type;
54: my %display;
55: my %value;
56:
57: # ---------------------------------------------------------- Current Parameters
58:
59: foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
60: if ($_=~/^parameter\_/) {
61: $content{$_}=&Apache::lonnet::metadata($uri,$_);
62: $type{$_}=&Apache::lonnet::metadata($uri,$_.'.type');
63: $display{$_}=&Apache::lonnet::metadata($uri,$_.'.display');
64: }
65: }
66:
67: foreach (split(/\:/,$env{'form.parms'})) {
68: my ($ptype,$pname,$pvalue)=split(/\_\_\_/,$_);
69: unless ($pname) { next; }
70: unless ($type{$pname}) { $type{$pname}=$ptype; }
71: $value{$pname}=$pvalue;
72: $content{$pname}=$pvalue;
73: $type{$pname}=$ptype;
74: $display{$pname}=&mt('Custom Parameter');
75: }
76:
77: # --------------------------------------------------- Print input screen header
78: my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
79:
80: my %lt=&Apache::lonlocal::texthash('pa' => 'Parameter',
81: 'de' => 'Default',
82: 'va' => 'Value',
83: 'se' => 'Set?');
84: my $js = (<<ENDHEADER);
85: <script type="text/javascript">
86:
87: $pjump_def
88:
89: function stpr() {
90: eval("document.parameters."+document.parameters.pres_marker.value+
91: ".value=document.parameters.pres_value.value");
92: modalWindow.close();
93: }
94:
95:
96: function setparms() {
97: ENDHEADER
98: $js .= 'var colon=""; opener.objparms['.$env{'form.resid'}.']="";';
99: foreach my $key (keys(%content)) {
100: $js .= "\nif (document.parameters.def_".$key.
101: '.checked) { opener.objparms['.$env{'form.resid'}.
102: ']+=colon+"'.$type{$key}.
103: '___'.$key.'___"+document.parameters.'.$key.'.value; colon=":"; }';
104: }
105: $js .= '
106: opener.save();
107: window.close();
108: }
109: </script>
110: ';
111: my $start_page =
112: &Apache::loncommon::start_page('Set Resource Parameters in Map',$js);
113:
114: $r->print(<<ENDDOCUMENT);
115: $start_page
116: <form action="javascript:setparms();" method="post" name="parameters">
117: <input type="hidden" value="" name="pres_value" />
118: <input type="hidden" value="" name="pres_type" />
119: <input type="hidden" value="" name="pres_marker" />
120: <table border="2">
121: <tr><th>$lt{'pa'}</th><th>$lt{'de'}</th><th>$lt{'va'}</th><th>$lt{'se'}</th></tr>
122: ENDDOCUMENT
123:
124: ### %display=&Apache::lonlocal::texthash(%display);
125: my $enter=&mt('Enter');
126: foreach my $key (sort(keys(%content))) {
127: my $cur=$content{$key};
128: # Should if(defined($value{$key})) be if(exists($value{$key})) ?
129: if (defined($value{$key})) { $cur=$value{$key}; };
130: $r->print(<<"END");
131: <tr><td><b>$display{$key}</b><br /><tt>$key</tt></td>
132: <td> $content{$key}</td>
133: <td><input type="text" size="10" name="$key" value="$cur" />
134: <a href='javascript:pjump("$type{$key}","$display{$key}",document.parameters.$key.value,"$key","parameters.pres","stpr");'>$enter</a></td>
135: <td><input type="checkbox" name="def_$key"
136: END
137: if ($value{$key}) { $r->print(' checked="checked"'); }
138: $r->print(' /></td></tr>');
139: }
140: $r->print('</table><br />
141: <input type="submit" value="'.&mt('Set').'" /></form>'.
142: &Apache::loncommon::end_page());
143: return OK;
144: }
145:
146: 1;
147: __END__
148:
149:
150:
151: =head1 NAME
152:
153: Apache::lonratparams
154:
155: =head1 SYNOPSIS
156:
157: Handler to set resource parameters inside of
158: the RAT based on metadata.
159:
160: This is part of the LearningOnline Network with CAPA project
161: described at http://www.lon-capa.org.
162:
163: =head1 HANDLER SUBROUTINE
164:
165: handler()
166:
167: =head1 OTHER SUBROUTINES
168:
169: =over
170:
171: =item *
172:
173: none
174:
175: =back
176:
177: =cut
178:
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