Annotation of rat/lonratparms.pm, revision 1.29

1.1       www         1: # The LearningOnline Network with CAPA
                      2: # Set parameters inside of the RAT
                      3: #
1.29    ! www         4: # $Id: lonratparms.pm,v 1.28 2009/04/23 17:26:27 bisitz Exp $
1.8       www         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: #
1.20      www        28: 
1.1       www        29: package Apache::lonratparms;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
1.15      matthew    33: use Apache::lonhtmlcommon();
1.16      www        34: use Apache::lonlocal;
1.23      albertel   35: use Apache::lonnet;
1.1       www        36: 
                     37: sub handler {
                     38:     my $r = shift;
1.16      www        39:     &Apache::loncommon::content_type($r,'text/html');
1.1       www        40:     $r->send_http_header;
                     41:     return OK if $r->header_only;
                     42: 
1.2       www        43: # Get query string for limited number of parameters
                     44: 
1.10      stredwic   45:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.11      www        46:                                             ['url','parms','resid']);
1.2       www        47: 
                     48: # ------------------------------------------------------------------- Read file
                     49: 
1.23      albertel   50:   my $uri=$env{'form.url'}.'.meta';
1.3       www        51:   
                     52:   my %content;
                     53:   my %type;
1.5       www        54:   my %display;
1.3       www        55:   my %value;
                     56:   
1.20      www        57: # ---------------------------------------------------------- Current Parameters
                     58: 
1.22      www        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: 
1.23      albertel   67:   foreach (split(/\:/,$env{'form.parms'})) {
1.20      www        68:       my ($ptype,$pname,$pvalue)=split(/\_\_\_/,$_);
1.21      www        69:       unless ($pname) { next; }
1.20      www        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:   } 
1.3       www        76:   
                     77: # --------------------------------------------------- Print input screen header
1.15      matthew    78:     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
1.24      albertel   79: 
1.17      www        80:     my %lt=&Apache::lonlocal::texthash('pa' => 'Parameter',
                     81: 			               'de' => 'Default',
                     82: 				       'va' => 'Value',
1.28      bisitz     83: 				       'se' => 'Set?');
1.24      albertel   84:     my $js = (<<ENDHEADER);
                     85: <script type="text/javascript">
1.7       www        86: 
1.15      matthew    87:     $pjump_def
1.7       www        88: 
                     89:     function stpr() {
                     90:         eval("document.parameters."+document.parameters.pres_marker.value+
                     91:             ".value=document.parameters.pres_value.value");
1.29    ! www        92:         modalWindow.close();
1.7       www        93:     }
                     94: 
                     95: 
1.3       www        96: function setparms() {
                     97: ENDHEADER
1.24      albertel   98:     $js .= 'var colon=""; opener.objparms['.$env{'form.resid'}.']="";';
                     99:     foreach my $key (keys(%content)) {
                    100: 	$js .= "\nif (document.parameters.def_".$key.
1.23      albertel  101:        '.checked) { opener.objparms['.$env{'form.resid'}.
1.24      albertel  102:        ']+=colon+"'.$type{$key}.
                    103:        '___'.$key.'___"+document.parameters.'.$key.'.value; colon=":"; }'; 
                    104:     }
                    105:     $js .= '
1.6       www       106:     opener.save();
1.3       www       107:     window.close();
                    108: }
                    109: </script>
1.24      albertel  110: ';
                    111:     my $start_page =
                    112: 	&Apache::loncommon::start_page('Set Resource Parameters in Map',$js);
                    113: 
                    114:     $r->print(<<ENDDOCUMENT);
                    115: $start_page
1.4       www       116: <form action="javascript:setparms();" method="post" name="parameters">
1.27      bisitz    117: <input type="hidden" value="" name="pres_value" />
                    118: <input type="hidden" value="" name="pres_type" />
                    119: <input type="hidden" value="" name="pres_marker" />
1.28      bisitz    120: <table border="2">
                    121: <tr><th>$lt{'pa'}</th><th>$lt{'de'}</th><th>$lt{'va'}</th><th>$lt{'se'}</th></tr>
1.1       www       122: ENDDOCUMENT
1.24      albertel  123: 
1.17      www       124: ###    %display=&Apache::lonlocal::texthash(%display);
1.16      www       125:     my $enter=&mt('Enter');
1.24      albertel  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}; };
1.9       matthew   130:         $r->print(<<"END");
1.27      bisitz    131: <tr><td><b>$display{$key}</b><br /><tt>$key</tt></td>
1.24      albertel  132: <td>&nbsp;$content{$key}</td>
1.27      bisitz    133: <td><input type="text" size="10" name="$key" value="$cur" />&nbsp;
1.24      albertel  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" 
1.9       matthew   136: END
1.27      bisitz    137:         if ($value{$key}) { $r->print(' checked="checked"'); }
                    138:         $r->print(' /></td></tr>');
1.9       matthew   139:     }
1.24      albertel  140:     $r->print('</table><br />
1.27      bisitz    141:                <input type="submit" value="'.&mt('Set').'" /></form>'.
1.24      albertel  142: 	      &Apache::loncommon::end_page());
1.1       www       143:     return OK;
                    144: } 
                    145: 
                    146: 1;
                    147: __END__
1.7       www       148: 
1.26      jms       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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