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File:  [LON-CAPA] / rat / lonratparms.pm
Revision 1.23: download - view: text, annotated - select for diffs
Thu Apr 7 06:56:27 2005 UTC (20 years, 1 month ago) by albertel
Branches: MAIN
CVS tags: version_2_1_X, version_2_1_3, version_2_1_2, version_2_1_1, version_2_1_0, version_2_0_X, version_2_0_99_1, version_2_0_2, version_2_0_1, version_2_0_0, version_1_99_3, version_1_99_2, version_1_99_1_tmcc, version_1_99_1, version_1_99_0_tmcc, version_1_99_0, HEAD
- ENV -> env

# The LearningOnline Network with CAPA
# Set parameters inside of the RAT
#
# $Id: lonratparms.pm,v 1.23 2005/04/07 06:56:27 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#

package Apache::lonratparms;

use strict;
use Apache::Constants qw(:common);
use Apache::lonhtmlcommon();
use Apache::lonlocal;
use Apache::lonnet;

sub handler {
    my $r = shift;
    &Apache::loncommon::content_type($r,'text/html');
    $r->send_http_header;
    return OK if $r->header_only;

# Get query string for limited number of parameters

    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                            ['url','parms','resid']);

# ------------------------------------------------------------------- Read file

  my $uri=$env{'form.url'}.'.meta';
  
  my %content;
  my %type;
  my %display;
  my %value;
  
# ---------------------------------------------------------- Current Parameters

  foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
      if ($_=~/^parameter\_/) {
         $content{$_}=&Apache::lonnet::metadata($uri,$_);
         $type{$_}=&Apache::lonnet::metadata($uri,$_.'.type');
         $display{$_}=&Apache::lonnet::metadata($uri,$_.'.display');
      }
  }

  foreach (split(/\:/,$env{'form.parms'})) {
      my ($ptype,$pname,$pvalue)=split(/\_\_\_/,$_);
      unless ($pname) { next; }
      unless ($type{$pname}) { $type{$pname}=$ptype; }
      $value{$pname}=$pvalue;
      $content{$pname}=$pvalue;
      $type{$pname}=$ptype;
      $display{$pname}=&mt('Custom Parameter');
  } 
  
# --------------------------------------------------- Print input screen header
    my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
    my $bodytag=&Apache::loncommon::bodytag('Set Resource Parameters in Map');
    my %lt=&Apache::lonlocal::texthash('pa' => 'Parameter',
			               'de' => 'Default',
				       'va' => 'Value',
				       'se' => 'Set');
 
    $r->print(<<ENDHEADER);
<html>
<head>
<title>The LearningOnline Network with CAPA</title>
<script language="JavaScript">

    function pclose() {
        parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
                 "height=350,width=350,scrollbars=no,menubar=no");
        parmwin.close();
    }

    $pjump_def

    function stpr() {
        eval("document.parameters."+document.parameters.pres_marker.value+
            ".value=document.parameters.pres_value.value");
        pclose();
    }


function setparms() {
ENDHEADER
    $r->print('var colon=""; opener.objparms['.$env{'form.resid'}.']="";');
    map {
       $r->print("\nif (document.parameters.def_".$_.
       '.checked) { opener.objparms['.$env{'form.resid'}.
       ']+=colon+"'.$type{$_}.
       '___'.$_.'___"+document.parameters.'.$_.'.value; colon=":"; }'); 
    } keys %content;
    $r->print(<<ENDDOCUMENT);
    opener.save();
    window.close();
}
</script>
</head>
$bodytag
<form action="javascript:setparms();" method="post" name="parameters">
<input type="hidden" value='' name="pres_value">
<input type="hidden" value='' name="pres_type">
<input type="hidden" value='' name="pres_marker">
<table border=2>
<tr><th>$lt{'pa'}</th><th>$lt{'de'}</th><th>$lt{'va'}</th><th>$lt{'se'}?</th></tr>
ENDDOCUMENT
###    %display=&Apache::lonlocal::texthash(%display);
    my $enter=&mt('Enter');
    foreach (sort(keys(%content))) {
        my $cur=$content{$_};
        # Should if(defined($value{$_})) be if(exists($value{$_})) ?
        if (defined($value{$_})) { $cur=$value{$_}; };
        $r->print(<<"END");
<tr><td><b>$display{$_}</b><br><tt>$_</tt></td>
<td>&nbsp;$content{$_}</td>
<td><input type="text" size="10" name="$_" value="$cur">&nbsp;
<a href='javascript:pjump("$type{$_}","$display{$_}",document.parameters.$_.value,"$_","parameters.pres","stpr");'>$enter</a></td>
<td><input type="checkbox" name="def_$_" 
END
        if ($value{$_}) { $r->print(' checked'); }
        $r->print('></td></tr>');
    }
    $r->print(
        '</table><br><input type="submit" value="'.&mt('Set').'"></form></body></html>');
    return OK;
} 

1;
__END__
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