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    1: # The LearningOnline Network with CAPA
    2: # Set parameters inside of the RAT
    3: #
    4: # $Id: lonratparms.pm,v 1.16 2003/09/29 14:31:00 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: # (Search Catalog
   29: #
   30: # (Internal Server Error Handler
   31: #
   32: # (Login Screen
   33: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
   34: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
   35: #
   36: # 3/1/1 Gerd Kortemeyer)
   37: #
   38: # 3/1 Gerd Kortemeyer)
   39: #
   40: # 03/03/01,06/15,06/25,06/26,06/30,07/02,07/03,07/04 Gerd Kortemeyer
   41: # 03/11/02 Matthew Hall
   42: #
   43: package Apache::lonratparms;
   44: 
   45: use strict;
   46: use Apache::Constants qw(:common);
   47: use Apache::lonhtmlcommon();
   48: use Apache::lonlocal;
   49: 
   50: sub handler {
   51:     my $r = shift;
   52:     &Apache::loncommon::content_type($r,'text/html');
   53:     $r->send_http_header;
   54:     return OK if $r->header_only;
   55: 
   56: # Get query string for limited number of parameters
   57: 
   58:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
   59:                                             ['url','parms','resid']);
   60: 
   61: # ------------------------------------------------------------------- Read file
   62: 
   63:   my $uri=$ENV{'form.url'}.'.meta';
   64:   
   65:   my %content;
   66:   my %type;
   67:   my %display;
   68:   my %value;
   69:   
   70:   foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) {
   71:       if ($_=~/^parameter\_/) {
   72:          $content{$_}=&Apache::lonnet::metadata($uri,$_);
   73:          $type{$_}=&Apache::lonnet::metadata($uri,$_.'.type');
   74:          $display{$_}=&Apache::lonnet::metadata($uri,$_.'.display');
   75:       }
   76:   }
   77: 
   78: # -------------------------------------- Additional parms for certain resources
   79: 
   80:     if ($uri=~/\.(sequence|page)\.meta$/) {
   81:         $content{'parameter_randompick'}='';
   82:         $type{'parameter_randompick'}='int_pos';
   83: 	$display{'parameter_randompick'}='Randomly pick number of resources';
   84:         
   85:         $content{'parameter_randompickseed'}='';
   86:         $type{'parameter_randompickseed'}='int_pos';
   87: 	$display{'parameter_randompickseed'}=
   88:  'Random seed for randomly picking number of resources (optional, only set if you know what you are doing)';
   89:     } else {
   90:         $content{'parameter_mapalias'}='';
   91:         $type{'parameter_mapalias'}='string';
   92: 	$display{'parameter_mapalias'}='Resource alias name for conditions';
   93:     }
   94:     if ($uri=~/\.(problem|exam|quiz|assess|survey|form|library)\.meta$/) {
   95: 	$content{'parameter_hiddenparts'}='';
   96:         $type{'parameter_hiddenparts'}='string';
   97: 	$display{'parameter_hiddenparts'}=
   98: 	    'A comma separted list of Part Ids to not display.';
   99:     }
  100: # ---------------------------------------------------------- Current Parameters
  101: 
  102:   foreach (split(/\:/,$ENV{'form.parms'})) {
  103:       my ($ptype,$pname,$pvalue)=split(/\_\_\_/,$_);
  104:       unless ($type{$pname}) { $type{$pname}=$ptype; }
  105:       $value{$pname}=$pvalue;
  106:   } 
  107:   
  108: # --------------------------------------------------- Print input screen header
  109:     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
  110:     my $bodytag=&Apache::loncommon::bodytag('Set Resource Parameters in Map');
  111:     my %lt=&Apache::loncommon::texthash('pa' => 'Parameter',
  112: 					'de' => 'Default',
  113: 					'va' => 'Value',
  114: 					'se' => 'Set');
  115:  
  116:     $r->print(<<ENDHEADER);
  117: <html>
  118: <head>
  119: <title>The LearningOnline Network with CAPA</title>
  120: <script language="JavaScript">
  121: 
  122:     function pclose() {
  123:         parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
  124:                  "height=350,width=350,scrollbars=no,menubar=no");
  125:         parmwin.close();
  126:     }
  127: 
  128:     $pjump_def
  129: 
  130:     function stpr() {
  131:         eval("document.parameters."+document.parameters.pres_marker.value+
  132:             ".value=document.parameters.pres_value.value");
  133:         pclose();
  134:     }
  135: 
  136: 
  137: function setparms() {
  138: ENDHEADER
  139:     $r->print('var colon=""; opener.objparms['.$ENV{'form.resid'}.']="";');
  140:     map {
  141:        $r->print("\nif (document.parameters.def_".$_.
  142:        '.checked) { opener.objparms['.$ENV{'form.resid'}.
  143:        ']+=colon+"'.$type{$_}.
  144:        '___'.$_.'___"+document.parameters.'.$_.'.value; colon=":"; }'); 
  145:     } keys %content;
  146:     $r->print(<<ENDDOCUMENT);
  147:     opener.save();
  148:     window.close();
  149: }
  150: </script>
  151: </head>
  152: $bodytag
  153: <form action="javascript:setparms();" method="post" name="parameters">
  154: <input type="hidden" value='' name="pres_value">
  155: <input type="hidden" value='' name="pres_type">
  156: <input type="hidden" value='' name="pres_marker">
  157: <table border=2>
  158: <tr><th>$lt{'pa'}</th><th>$lt{'de'}</th><th>$lt{'va'}</th><th>$lt{'se'}?</th></tr>
  159: ENDDOCUMENT
  160:     %display=&Apache::lonlocal::texthash(%display);
  161:     my $enter=&mt('Enter');
  162:     foreach (keys(%content)) {
  163:         my $cur=$content{$_};
  164:         # Should if(defined($value{$_})) be if(exists($value{$_})) ?
  165:         if (defined($value{$_})) { $cur=$value{$_}; };
  166:         $r->print(<<"END");
  167: <tr><td><b>$display{$_}</b><br><tt>$_</tt></td>
  168: <td>&nbsp;$content{$_}</td>
  169: <td><input type="text" size="10" name="$_" value="$cur">&nbsp;
  170: <a href='javascript:pjump("$type{$_}","$display{$_}",document.parameters.$_.value,"$_","parameters.pres","stpr");'>$enter</a></td>
  171: <td><input type="checkbox" name="def_$_" 
  172: END
  173:         if ($value{$_}) { $r->print(' checked'); }
  174:         $r->print('></td></tr>');
  175:     }
  176:     $r->print(
  177:         '</table><br><input type="submit" value="'.&mt('Set').'"></form></body></html>');
  178:     return OK;
  179: } 
  180: 
  181: 1;
  182: __END__
  183: 

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