File:  [LON-CAPA] / loncom / interface / lonparmset.pm
Revision 1.306: download - view: text, annotated - select for diffs
Tue May 16 20:43:57 2006 UTC (18 years, 1 month ago) by albertel
Branches: MAIN
CVS tags: HEAD
- wasn't actually displaying the group name on the specfic parm display screen

    1: # The LearningOnline Network with CAPA
    2: # Handler to set parameters for assessments
    3: #
    4: # $Id: lonparmset.pm,v 1.306 2006/05/16 20:43:57 albertel 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: ###################################################################
   30: 
   31: =pod
   32: 
   33: =head1 NAME
   34: 
   35: lonparmset - Handler to set parameters for assessments and course
   36: 
   37: =head1 SYNOPSIS
   38: 
   39: lonparmset provides an interface to setting course parameters. 
   40: 
   41: =head1 DESCRIPTION
   42: 
   43: This module sets coursewide and assessment parameters.
   44: 
   45: =head1 INTERNAL SUBROUTINES
   46: 
   47: =over 4
   48: 
   49: =cut
   50: 
   51: ###################################################################
   52: ###################################################################
   53: 
   54: package Apache::lonparmset;
   55: 
   56: use strict;
   57: use Apache::lonnet;
   58: use Apache::Constants qw(:common :http REDIRECT);
   59: use Apache::lonhtmlcommon();
   60: use Apache::loncommon;
   61: use GDBM_File;
   62: use Apache::lonhomework;
   63: use Apache::lonxml;
   64: use Apache::lonlocal;
   65: use Apache::lonnavmaps;
   66: use Apache::lonrss;
   67: 
   68: # --- Caches local to lonparmset
   69: 
   70: my $parmhashid;
   71: my %parmhash;
   72: my $symbsid;
   73: my %symbs;
   74: my $rulesid;
   75: my %rules;
   76: 
   77: # --- end local caches
   78: 
   79: ##################################################
   80: ##################################################
   81: 
   82: =pod
   83: 
   84: =item parmval
   85: 
   86: Figure out a cascading parameter.
   87: 
   88: Inputs:  $what - a parameter spec (incluse part info and name I.E. 0.weight)
   89:          $id   - a bighash Id number
   90:          $def  - the resource's default value   'stupid emacs
   91: 
   92: Returns:  A list, the first item is the index into the remaining list of items of parm valuse that is the active one, the list consists of parm values at the 14 possible levels
   93: 
   94: 14- General Course
   95: 13- Map or Folder level in course
   96: 12- resource default
   97: 11- map default
   98: 10- resource level in course
   99: 9 - General for section
  100: 8 - Map or Folder level for section
  101: 7 - resource level in section
  102: 6 - General for group
  103: 5 - Map or Folder level for group
  104: 4 - resource level in group
  105: 3 - General for specific student
  106: 2 - Map or Folder level for specific student
  107: 1 - resource level for specific student
  108: 
  109: =cut
  110: 
  111: ##################################################
  112: sub parmval {
  113:     my ($what,$id,$def,$uname,$udom,$csec,$cgroup,$courseopt)=@_;
  114:     return &parmval_by_symb($what,&symbcache($id),$def,$uname,$udom,$csec,
  115:                                                            $cgroup,$courseopt);
  116: }
  117: 
  118: sub parmval_by_symb {
  119:     my ($what,$symb,$def,$uname,$udom,$csec,$cgroup,$courseopt)=@_;
  120: # load caches
  121:     &cacheparmhash();
  122: 
  123:     my $useropt=&Apache::lonnet::get_userresdata($uname,$udom);
  124: 
  125:     my $result='';
  126:     my @outpar=();
  127: # ----------------------------------------------------- Cascading lookup scheme
  128:     my $map=(&Apache::lonnet::decode_symb($symb))[0];    
  129:     $map = &Apache::lonnet::deversion($map);
  130: 
  131:     my $symbparm=$symb.'.'.$what;
  132:     my $mapparm=$map.'___(all).'.$what;
  133: 
  134:     my $grplevel=$env{'request.course.id'}.'.['.$cgroup.'].'.$what;
  135:     my $grplevelr=$env{'request.course.id'}.'.['.$cgroup.'].'.$symbparm;
  136:     my $grplevelm=$env{'request.course.id'}.'.['.$cgroup.'].'.$mapparm;
  137: 
  138:     my $seclevel=$env{'request.course.id'}.'.['.$csec.'].'.$what;
  139:     my $seclevelr=$env{'request.course.id'}.'.['.$csec.'].'.$symbparm;
  140:     my $seclevelm=$env{'request.course.id'}.'.['.$csec.'].'.$mapparm;
  141: 
  142:     my $courselevel=$env{'request.course.id'}.'.'.$what;
  143:     my $courselevelr=$env{'request.course.id'}.'.'.$symbparm;
  144:     my $courselevelm=$env{'request.course.id'}.'.'.$mapparm;
  145: 
  146: 
  147: # --------------------------------------------------------- first, check course
  148: 
  149:     if (defined($$courseopt{$courselevel})) {
  150: 	$outpar[14]=$$courseopt{$courselevel};
  151: 	$result=14;
  152:     }
  153: 
  154:     if (defined($$courseopt{$courselevelm})) {
  155: 	$outpar[13]=$$courseopt{$courselevelm};
  156: 	$result=13;
  157:     }
  158: 
  159: # ------------------------------------------------------- second, check default
  160: 
  161:     if (defined($def)) { $outpar[12]=$def; $result=12; }
  162: 
  163: # ------------------------------------------------------ third, check map parms
  164: 
  165:     my $thisparm=$parmhash{$symbparm};
  166:     if (defined($thisparm)) { $outpar[11]=$thisparm; $result=11; }
  167: 
  168:     if (defined($$courseopt{$courselevelr})) {
  169: 	$outpar[10]=$$courseopt{$courselevelr};
  170: 	$result=10;
  171:     }
  172: 
  173: # ------------------------------------------------------ fourth, back to course
  174:     if (defined($csec)) {
  175:         if (defined($$courseopt{$seclevel})) {
  176: 	    $outpar[9]=$$courseopt{$seclevel};
  177: 	    $result=9;
  178: 	}
  179:         if (defined($$courseopt{$seclevelm})) {
  180: 	    $outpar[8]=$$courseopt{$seclevelm};
  181: 	    $result=8;
  182: 	}
  183: 
  184:         if (defined($$courseopt{$seclevelr})) {
  185: 	    $outpar[7]=$$courseopt{$seclevelr};
  186: 	    $result=7;
  187: 	}
  188:     }
  189: # ------------------------------------------------------ fifth, check course group
  190:     if (defined($cgroup)) {
  191:         if (defined($$courseopt{$grplevel})) {
  192:             $outpar[6]=$$courseopt{$grplevel};
  193:             $result=6;
  194:         }
  195:         if (defined($$courseopt{$grplevelm})) {
  196:             $outpar[5]=$$courseopt{$grplevelm};
  197:             $result=5;
  198:         }
  199:         if (defined($$courseopt{$grplevelr})) {
  200:             $outpar[4]=$$courseopt{$grplevelr};
  201:             $result=4;
  202:         }
  203:     }
  204: 
  205: # ---------------------------------------------------------- fifth, check user
  206: 
  207:     if (defined($uname)) {
  208: 	if (defined($$useropt{$courselevel})) {
  209: 	    $outpar[3]=$$useropt{$courselevel};
  210: 	    $result=3;
  211: 	}
  212: 
  213: 	if (defined($$useropt{$courselevelm})) {
  214: 	    $outpar[2]=$$useropt{$courselevelm};
  215: 	    $result=2;
  216: 	}
  217: 
  218: 	if (defined($$useropt{$courselevelr})) {
  219: 	    $outpar[1]=$$useropt{$courselevelr};
  220: 	    $result=1;
  221: 	}
  222:     }
  223:     return ($result,@outpar);
  224: }
  225: 
  226: sub resetparmhash {
  227:     $parmhashid='';
  228: }
  229: 
  230: sub cacheparmhash {
  231:     if ($parmhashid eq  $env{'request.course.fn'}) { return; }
  232:     my %parmhashfile;
  233:     if (tie(%parmhashfile,'GDBM_File',
  234: 	      $env{'request.course.fn'}.'_parms.db',&GDBM_READER(),0640)) {
  235: 	%parmhash=%parmhashfile;
  236: 	untie %parmhashfile;
  237: 	$parmhashid=$env{'request.course.fn'};
  238:     }
  239: }
  240: 
  241: sub resetsymbcache {
  242:     $symbsid='';
  243: }
  244: 
  245: sub symbcache {
  246:     my $id=shift;
  247:     if ($symbsid ne $env{'request.course.id'}) {
  248: 	%symbs=();
  249:     }
  250:     unless ($symbs{$id}) {
  251: 	my $navmap = Apache::lonnavmaps::navmap->new();
  252: 	if ($id=~/\./) {
  253: 	    my $resource=$navmap->getById($id);
  254: 	    $symbs{$id}=$resource->symb();
  255: 	} else {
  256: 	    my $resource=$navmap->getByMapPc($id);
  257: 	    $symbs{$id}=&Apache::lonnet::declutter($resource->src());
  258: 	}
  259: 	$symbsid=$env{'request.course.id'};
  260:     }
  261:     return $symbs{$id};
  262: }
  263: 
  264: sub resetrulescache {
  265:     $rulesid='';
  266: }
  267: 
  268: sub rulescache {
  269:     my $id=shift;
  270:     if ($rulesid ne $env{'request.course.id'}) {
  271: 	%rules=();
  272:     }
  273:     unless (defined($rules{$id})) {
  274: 	my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  275: 	my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
  276: 	%rules=&Apache::lonnet::dump('parmdefactions',$dom,$crs);
  277: 	$rulesid=$env{'request.course.id'};
  278:     }
  279:     return $rules{$id};
  280: }
  281: 
  282: sub preset_defaults {
  283:     my $type=shift;
  284:     if (&rulescache($type.'_action') eq 'default') {
  285: # yes, there is something
  286: 	return (&rulescache($type.'_hours'),
  287: 		&rulescache($type.'_min'),
  288: 		&rulescache($type.'_sec'),
  289: 		&rulescache($type.'_value'));
  290:     } else {
  291: # nothing there or something else
  292: 	return ('','','','','');
  293:     }
  294: }
  295: 
  296: ##################################################
  297: 
  298: sub date_sanity_info {
  299:    my $checkdate=shift;
  300:    unless ($checkdate) { return ''; }
  301:    my $result='';
  302:    my $crsprefix='course.'.$env{'request.course.id'}.'.';
  303:    if ($env{$crsprefix.'default_enrollment_end_date'}) {
  304:       if ($checkdate>$env{$crsprefix.'default_enrollment_end_date'}) {
  305:          $result.='<br />'.&mt('After course enrollment end!');
  306:       }
  307:    }
  308:    if ($env{$crsprefix.'default_enrollment_start_date'}) {
  309:       if ($checkdate<$env{$crsprefix.'default_enrollment_start_date'}) {
  310:          $result.='<br />'.&mt('Before course enrollment start!');
  311:       }
  312:    }
  313:    return $result;
  314: }
  315: ##################################################
  316: ##################################################
  317: #
  318: # Store a parameter by ID
  319: #
  320: # Takes
  321: # - resource id
  322: # - name of parameter
  323: # - level
  324: # - new value
  325: # - new type
  326: # - username
  327: # - userdomain
  328: 
  329: sub storeparm {
  330:     my ($sresid,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$cgroup)=@_;
  331:     &storeparm_by_symb(&symbcache($sresid),$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,'',$cgroup);
  332: }
  333: 
  334: #
  335: # Store a parameter by symb
  336: #
  337: # Takes
  338: # - symb
  339: # - name of parameter
  340: # - level
  341: # - new value
  342: # - new type
  343: # - username
  344: # - userdomain
  345: 
  346: my %recstack;
  347: sub storeparm_by_symb {
  348:     my ($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$recflag,$cgroup)=@_;
  349:     unless ($recflag) {
  350: # first time call
  351: 	%recstack=();
  352: 	$recflag=1;
  353:     }
  354: # store parameter
  355:     &storeparm_by_symb_inner
  356: 	($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$cgroup);
  357: # don't do anything if parameter was reset
  358:     unless ($nval) { return; }
  359:     my ($prefix,$parm)=($spnam=~/^(.*[\_\.])([^\_\.]+)$/);
  360: # remember that this was set
  361:     $recstack{$parm}=1;
  362: # what does this trigger?
  363:     foreach my $triggered (split(/\:/,&rulescache($parm.'_triggers'))) {
  364: # don't backfire
  365:        unless ((!$triggered) || ($recstack{$triggered})) {
  366: 	   my $action=&rulescache($triggered.'_action');
  367: 	   my ($whichaction,$whichparm)=($action=~/^(.*\_)([^\_]+)$/);
  368: # set triggered parameter on same level
  369: 	   my $newspnam=$prefix.$triggered;
  370: 	   my $newvalue='';
  371: 	   my $active=1;
  372: 	   if ($action=~/^when\_setting/) {
  373: # are there restrictions?
  374: 	       if (&rulescache($triggered.'_triggervalue')=~/\w/) {
  375: 		   $active=0;
  376: 		   foreach my $possiblevalue (split(/\s*\,\s*/,&rulescache($triggered.'_triggervalue'))) {
  377: 		       if (lc($possiblevalue) eq lc($nval)) { $active=1; }
  378: 		   }
  379: 	       }
  380: 	       $newvalue=&rulescache($triggered.'_value');
  381: 	   } else {
  382: 	       my $totalsecs=((&rulescache($triggered.'_days')*24+&rulescache($triggered.'_hours'))*60+&rulescache($triggered.'_min'))*60+&rulescache($triggered.'_sec');
  383: 	       if ($action=~/^later\_than/) {
  384: 		   $newvalue=$nval+$totalsecs;
  385: 	       } else {
  386: 		   $newvalue=$nval-$totalsecs;
  387: 	       }
  388: 	   }
  389: 	   if ($active) {
  390: 	       &storeparm_by_symb($symb,$newspnam,$snum,$newvalue,&rulescache($triggered.'_type'),
  391: 				   $uname,$udom,$csec,$recflag,$cgroup);
  392: 	   }
  393:        }
  394:     }
  395:     return '';
  396: }
  397: 
  398: sub log_parmset {
  399:     return &Apache::lonnet::instructor_log('parameterlog',@_);
  400: }
  401: 
  402: sub storeparm_by_symb_inner {
  403: # ---------------------------------------------------------- Get symb, map, etc
  404:     my ($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$cgroup)=@_;
  405: # ---------------------------------------------------------- Construct prefixes
  406:     $spnam=~s/\_([^\_]+)$/\.$1/;
  407:     my $map=(&Apache::lonnet::decode_symb($symb))[0];    
  408:     $map = &Apache::lonnet::deversion($map);
  409: 
  410:     my $symbparm=$symb.'.'.$spnam;
  411:     my $mapparm=$map.'___(all).'.$spnam;
  412: 
  413:     my $grplevel=$env{'request.course.id'}.'.['.$cgroup.'].'.$spnam;
  414:     my $grplevelr=$env{'request.course.id'}.'.['.$cgroup.'].'.$symbparm;
  415:     my $grplevelm=$env{'request.course.id'}.'.['.$cgroup.'].'.$mapparm;
  416: 
  417:     my $seclevel=$env{'request.course.id'}.'.['.$csec.'].'.$spnam;
  418:     my $seclevelr=$env{'request.course.id'}.'.['.$csec.'].'.$symbparm;
  419:     my $seclevelm=$env{'request.course.id'}.'.['.$csec.'].'.$mapparm;
  420:     
  421:     my $courselevel=$env{'request.course.id'}.'.'.$spnam;
  422:     my $courselevelr=$env{'request.course.id'}.'.'.$symbparm;
  423:     my $courselevelm=$env{'request.course.id'}.'.'.$mapparm;
  424:     
  425:     my $storeunder='';
  426:     if (($snum==14) || ($snum==3)) { $storeunder=$courselevel; }
  427:     if (($snum==13) || ($snum==2)) { $storeunder=$courselevelm; }
  428:     if (($snum==10) || ($snum==1)) { $storeunder=$courselevelr; }
  429:     if ($snum==9) { $storeunder=$seclevel; }
  430:     if ($snum==8) { $storeunder=$seclevelm; }
  431:     if ($snum==7) { $storeunder=$seclevelr; }
  432:     if ($snum==6) { $storeunder=$grplevel; }
  433:     if ($snum==5) { $storeunder=$grplevelm; }
  434:     if ($snum==4) { $storeunder=$grplevelr; }
  435: 
  436:     
  437:     my $delete;
  438:     if ($nval eq '') { $delete=1;}
  439:     my %storecontent = ($storeunder         => $nval,
  440: 			$storeunder.'.type' => $ntype);
  441:     my $reply='';
  442:     if ($snum>3) {
  443: # ---------------------------------------------------------------- Store Course
  444: #
  445: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  446: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  447: # Expire sheets
  448: 	&Apache::lonnet::expirespread('','','studentcalc');
  449: 	if (($snum==10) || ($snum==7) || ($snum==4)) {
  450: 	    &Apache::lonnet::expirespread('','','assesscalc',$symb);
  451: 	} elsif (($snum==11) || ($snum==8) || ($snum==5)) {
  452: 	    &Apache::lonnet::expirespread('','','assesscalc',$map);
  453: 	} else {
  454: 	    &Apache::lonnet::expirespread('','','assesscalc');
  455: 	}
  456: # Store parameter
  457: 	if ($delete) {
  458: 	    $reply=&Apache::lonnet::del
  459: 		('resourcedata',[keys(%storecontent)],$cdom,$cnum);
  460:             &log_parmset(\%storecontent,1);
  461: 	} else {
  462: 	    $reply=&Apache::lonnet::cput
  463: 		('resourcedata',\%storecontent,$cdom,$cnum);
  464: 	    &log_parmset(\%storecontent);
  465: 	}
  466: 	&Apache::lonnet::devalidatecourseresdata($cnum,$cdom);
  467:     } else {
  468: # ------------------------------------------------------------------ Store User
  469: #
  470: # Expire sheets
  471: 	&Apache::lonnet::expirespread($uname,$udom,'studentcalc');
  472: 	if ($snum==1) {
  473: 	    &Apache::lonnet::expirespread
  474: 		($uname,$udom,'assesscalc',$symb);
  475: 	} elsif ($snum==2) {
  476: 	    &Apache::lonnet::expirespread
  477: 		($uname,$udom,'assesscalc',$map);
  478: 	} else {
  479: 	    &Apache::lonnet::expirespread($uname,$udom,'assesscalc');
  480: 	}
  481: # Store parameter
  482: 	if ($delete) {
  483: 	    $reply=&Apache::lonnet::del
  484: 		('resourcedata',[keys(%storecontent)],$udom,$uname);
  485: 	    &log_parmset(\%storecontent,1,$uname,$udom);
  486: 	} else {
  487: 	    $reply=&Apache::lonnet::cput
  488: 		('resourcedata',\%storecontent,$udom,$uname);
  489: 	    &log_parmset(\%storecontent,0,$uname,$udom);
  490: 	}
  491: 	&Apache::lonnet::devalidateuserresdata($uname,$udom);
  492:     }
  493:     
  494:     if ($reply=~/^error\:(.*)/) {
  495: 	return "<font color=red>Write Error: $1</font>";
  496:     }
  497:     return '';
  498: }
  499: 
  500: ##################################################
  501: ##################################################
  502: 
  503: =pod
  504: 
  505: =item valout
  506: 
  507: Format a value for output.
  508: 
  509: Inputs:  $value, $type
  510: 
  511: Returns: $value, formatted for output.  If $type indicates it is a date,
  512: localtime($value) is returned.
  513: 
  514: =cut
  515: 
  516: ##################################################
  517: ##################################################
  518: sub valout {
  519:     my ($value,$type)=@_;
  520:     my $result = '';
  521:     # Values of zero are valid.
  522:     if (! $value && $value ne '0') {
  523: 	$result = '&nbsp;&nbsp;';
  524:     } else {
  525:         if ($type eq 'date_interval') {
  526:             my ($sec,$min,$hour,$mday,$mon,$year)=gmtime($value);
  527:             $year=$year-70;
  528:             $mday--;
  529:             if ($year) {
  530: 		$result.=$year.' yrs ';
  531:             }
  532:             if ($mon) {
  533: 		$result.=$mon.' mths ';
  534:             }
  535:             if ($mday) {
  536: 		$result.=$mday.' days ';
  537:             }
  538:             if ($hour) {
  539: 		$result.=$hour.' hrs ';
  540:             }
  541:             if ($min) {
  542: 		$result.=$min.' mins ';
  543:             }
  544:             if ($sec) {
  545: 		$result.=$sec.' secs ';
  546:             }
  547:             $result=~s/\s+$//;
  548:         } elsif (&isdateparm($type)) {
  549:             $result = localtime($value).&date_sanity_info($value);
  550:         } else {
  551:             $result = $value;
  552:         }
  553:     }
  554:     return $result;
  555: }
  556: 
  557: ##################################################
  558: ##################################################
  559: 
  560: =pod
  561: 
  562: =item plink
  563: 
  564: Produces a link anchor.
  565: 
  566: Inputs: $type,$dis,$value,$marker,$return,$call
  567: 
  568: Returns: scalar with html code for a link which will envoke the 
  569: javascript function 'pjump'.
  570: 
  571: =cut
  572: 
  573: ##################################################
  574: ##################################################
  575: sub plink {
  576:     my ($type,$dis,$value,$marker,$return,$call)=@_;
  577:     my $winvalue=$value;
  578:     unless ($winvalue) {
  579: 	if (&isdateparm($type)) {
  580:             $winvalue=$env{'form.recent_'.$type};
  581:         } else {
  582:             $winvalue=$env{'form.recent_'.(split(/\_/,$type))[0]};
  583:         }
  584:     }
  585:     my ($parmname)=((split(/\&/,$marker))[1]=~/\_([^\_]+)$/);
  586:     my ($hour,$min,$sec,$val)=&preset_defaults($parmname);
  587:     unless (defined($winvalue)) { $winvalue=$val; }
  588:     return '<table width="100%"><tr valign="top" align="right"><td><a name="'.$marker.'" /></td></tr><tr><td align="center">'.
  589: 	'<a href="javascript:pjump('."'".$type."','".$dis."','".$winvalue."','"
  590: 	    .$marker."','".$return."','".$call."','".$hour."','".$min."','".$sec."'".');">'.
  591: 		&valout($value,$type).'</a></td></tr></table>';
  592: }
  593: 
  594: sub page_js {
  595: 
  596:     my $selscript=&Apache::loncommon::studentbrowser_javascript();
  597:     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
  598: 
  599:     return(<<ENDJS);
  600: <script type="text/javascript">
  601: 
  602:     function pclose() {
  603:         parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
  604:                  "height=350,width=350,scrollbars=no,menubar=no");
  605:         parmwin.close();
  606:     }
  607: 
  608:     $pjump_def
  609: 
  610:     function psub() {
  611:         pclose();
  612:         if (document.parmform.pres_marker.value!='') {
  613:             document.parmform.action+='#'+document.parmform.pres_marker.value;
  614:             var typedef=new Array();
  615:             typedef=document.parmform.pres_type.value.split('_');
  616:            if (document.parmform.pres_type.value!='') {
  617:             if (typedef[0]=='date') {
  618:                 eval('document.parmform.recent_'+
  619:                      document.parmform.pres_type.value+
  620: 		     '.value=document.parmform.pres_value.value;');
  621:             } else {
  622:                 eval('document.parmform.recent_'+typedef[0]+
  623: 		     '.value=document.parmform.pres_value.value;');
  624:             }
  625: 	   }
  626:             document.parmform.submit();
  627:         } else {
  628:             document.parmform.pres_value.value='';
  629:             document.parmform.pres_marker.value='';
  630:         }
  631:     }
  632: 
  633:     function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
  634:         var options = "width=" + w + ",height=" + h + ",";
  635:         options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
  636:         options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
  637:         var newWin = window.open(url, wdwName, options);
  638:         newWin.focus();
  639:     }
  640: </script>
  641: $selscript
  642: ENDJS
  643: 
  644: }
  645: sub startpage {
  646:     my ($r) = @_;
  647: 
  648:     my %loaditems = ('onunload' => "pclose()",
  649: 		     'onload'   => "group_or_section('cgroup')",);
  650: 
  651:     my $start_page = 
  652: 	&Apache::loncommon::start_page('Set/Modify Course Parameters',
  653: 				       &page_js(),
  654: 				       {'add_entries' => \%loaditems,});
  655:     my $breadcrumbs = 
  656: 	&Apache::lonhtmlcommon::breadcrumbs('Table Mode Parameter Setting');
  657:     $r->print(<<ENDHEAD);
  658: $start_page
  659: $breadcrumbs
  660: <form method="post" action="/adm/parmset?action=settable" name="parmform">
  661: <input type="hidden" value='' name="pres_value" />
  662: <input type="hidden" value='' name="pres_type" />
  663: <input type="hidden" value='' name="pres_marker" />
  664: <input type="hidden" value='1' name="prevvisit" />
  665: ENDHEAD
  666: }
  667: 
  668: 
  669: sub print_row {
  670:     my ($r,$which,$part,$name,$symbp,$rid,$default,$defaulttype,$display,$defbgone,
  671: 	$defbgtwo,$defbgthree,$parmlev,$uname,$udom,$csec,$cgroup,$usersgroups)=@_;
  672:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  673:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  674:     my $courseopt=&Apache::lonnet::get_courseresdata($cnum,$cdom);
  675: # get the values for the parameter in cascading order
  676: # empty levels will remain empty
  677:     my ($result,@outpar)=&parmval($$part{$which}.'.'.$$name{$which},
  678: 	  $rid,$$default{$which},$uname,$udom,$csec,$cgroup,$courseopt);
  679: # get the type for the parameters
  680: # problem: these may not be set for all levels
  681:     my ($typeresult,@typeoutpar)=&parmval($$part{$which}.'.'.
  682:                                           $$name{$which}.'.type',$rid,
  683: 		 $$defaulttype{$which},$uname,$udom,$csec,$cgroup,$courseopt);
  684: # cascade down manually
  685:     my $cascadetype=$$defaulttype{$which};
  686:     for (my $i=14;$i>0;$i--) {
  687: 	 if ($typeoutpar[$i]) { 
  688:             $cascadetype=$typeoutpar[$i];
  689: 	} else {
  690:             $typeoutpar[$i]=$cascadetype;
  691:         }
  692:     }
  693:     my $parm=$$display{$which};
  694: 
  695:     if ($parmlev eq 'full') {
  696:         $r->print('<td bgcolor='.$defbgtwo.' align="center">'
  697:                   .$$part{$which}.'</td>');
  698:     } else {    
  699:         $parm=~s|\[.*\]\s||g;
  700:     }
  701:     my $automatic=&rulescache(($which=~/\_([^\_]+)$/)[0].'_triggers');
  702:     if ($automatic) {
  703: 	$parm.='<font color="red"><br />'.&mt('Automatically sets').' '.join(', ',split(/\:/,$automatic)).'</font>';
  704:     }
  705:     $r->print('<td bgcolor='.$defbgone.'>'.$parm.'</td>');
  706:    
  707:     my $thismarker=$which;
  708:     $thismarker=~s/^parameter\_//;
  709:     my $mprefix=$rid.'&'.$thismarker.'&';
  710:     my $effective_parm = &valout($outpar[$result],$typeoutpar[$result]);
  711:     my ($othergrp,$grp_parm,$controlgrp);
  712: 
  713:     if ($parmlev eq 'general') {
  714: 
  715:         if ($uname) {
  716:             &print_td($r,3,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  717:         } elsif ($cgroup) {
  718:             &print_td($r,6,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  719:         } elsif ($csec) {
  720:             &print_td($r,9,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display); 
  721:         } else {
  722:             &print_td($r,14,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display); 
  723:         }
  724:     } elsif ($parmlev eq 'map') {
  725: 
  726:         if ($uname) {
  727:             &print_td($r,2,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  728:         } elsif ($cgroup) {
  729:             &print_td($r,5,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  730:         } elsif ($csec) {
  731:             &print_td($r,8,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  732:         } else {
  733:             &print_td($r,13,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  734:         }
  735:     } else {
  736:         if ($uname) {
  737:             if (@{$usersgroups} > 1) {
  738:                 my ($coursereply,$grp_parm,$controlgrp);
  739:                 ($coursereply,$othergrp,$grp_parm,$controlgrp) =
  740:                     &print_usergroups($r,$$part{$which}.'.'.$$name{$which},
  741:                        $rid,$cgroup,$defbgone,$usersgroups,$result,$courseopt);
  742:                 if ($coursereply && $result > 3) {
  743:                     if (defined($controlgrp)) {
  744:                         if ($cgroup ne $controlgrp) {
  745:                             $effective_parm = $grp_parm;
  746:                             $result = 0;
  747:                         }
  748:                     }
  749:                 }
  750:             }
  751:         }
  752: 
  753:         &print_td($r,14,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  754: 
  755: 	&print_td($r,13,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  756: 	&print_td($r,12,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  757: 	&print_td($r,11,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  758: 	&print_td($r,10,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  759: 	
  760: 	if ($csec) {
  761: 	    &print_td($r,9,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  762: 	    &print_td($r,8,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  763: 	    &print_td($r,7,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  764: 	}
  765: 
  766:         if ($cgroup) {
  767:             &print_td($r,6,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  768:             &print_td($r,5,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  769:             &print_td($r,4,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  770:         }
  771:      
  772: 	if ($uname) {
  773:             if ($othergrp) {
  774:                 $r->print($othergrp);
  775:             }
  776: 	    &print_td($r,3,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  777: 	    &print_td($r,2,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  778: 	    &print_td($r,1,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  779: 	}
  780: 
  781:     } # end of $parmlev if/else
  782:     $r->print('<td bgcolor="#CCCCFF" align="center">'.$effective_parm.'</td>');
  783: 
  784:     if ($parmlev eq 'full') {
  785:         my $sessionval=&Apache::lonnet::EXT('resource.'.$$part{$which}.
  786:                                         '.'.$$name{$which},$$symbp{$rid});
  787:         my $sessionvaltype=$typeoutpar[$result];
  788:         if (!defined($sessionvaltype)) { $sessionvaltype=$$defaulttype{$which}; }
  789:         $r->print('<td bgcolor="#999999" align="center"><font color="#FFFFFF">'.
  790:                   &valout($sessionval,$sessionvaltype).'&nbsp;'.
  791:                   '</font></td>');
  792:     }
  793:     $r->print('</tr>');
  794:     $r->print("\n");
  795: }
  796: 
  797: sub print_td {
  798:     my ($r,$which,$defbg,$result,$outpar,$mprefix,$value,$typeoutpar,$display)=@_;
  799:     $r->print('<td bgcolor='.(($result==$which)?'"#AAFFAA"':$defbg).
  800:               ' align="center">');
  801:     if ($which<11 || $which > 12) {
  802: 	$r->print(&plink($$typeoutpar[$which],
  803: 			 $$display{$value},$$outpar[$which],
  804: 			 $mprefix."$which",'parmform.pres','psub'));
  805:     } else {
  806: 	$r->print(&valout($$outpar[$which],$$typeoutpar[$which]));
  807:     }
  808:     $r->print('</td>'."\n");
  809: }
  810: 
  811: sub print_usergroups {
  812:     my ($r,$what,$rid,$cgroup,$defbg,$usersgroups,$result,$courseopt) = @_;
  813:     my $courseid = $env{'request.course.id'};
  814:     my $output;
  815:     my $symb = &symbcache($rid);
  816:     my $symbparm=$symb.'.'.$what;
  817:     my $map=(&Apache::lonnet::decode_symb($symb))[0];
  818:     my $mapparm=$map.'___(all).'.$what;
  819:     my ($coursereply,$resultitem,$resultgroup,$resultlevel,$resulttype) =
  820:           &parm_control_group($courseid,$usersgroups,$symbparm,$mapparm,$what,
  821:                                                                    $courseopt);
  822:     my $bgcolor = $defbg;
  823:     my $grp_parm;
  824:     if (($coursereply) && ($cgroup ne $resultgroup)) { 
  825:         if ($result > 3) {
  826:             $bgcolor = '"#AAFFAA"';
  827:             $grp_parm = &valout($coursereply,$resulttype);
  828:         }
  829:         $grp_parm = &valout($coursereply,$resulttype);
  830:         $output = '<td bgcolor='.$bgcolor.' align="center">';
  831:         if ($resultgroup && $resultlevel) {
  832:             $output .= '<small><b>'.$resultgroup.'</b> ('.$resultlevel.'): </small>'.$grp_parm;
  833:         } else {
  834:             $output .= '&nbsp;';
  835:         }
  836:         $output .= '</td>';
  837:     } else {
  838:         $output .= '<td bgcolor='.$bgcolor.'>&nbsp;</td>';
  839:     }
  840:     return ($coursereply,$output,$grp_parm,$resultgroup);
  841: }
  842: 
  843: sub parm_control_group {
  844:     my ($courseid,$usersgroups,$symbparm,$mapparm,$what,$courseopt) = @_;
  845:     my ($coursereply,$resultitem,$resultgroup,$resultlevel,$resulttype);
  846:     my $grpfound = 0;
  847:     my @levels = ($symbparm,$mapparm,$what);
  848:     my @levelnames = ('resource','map/folder','general');
  849:     foreach my $group (@{$usersgroups}) {
  850:         if ($grpfound) { last; }
  851:         for (my $i=0; $i<@levels; $i++) {
  852:             my $item = $courseid.'.['.$group.'].'.$levels[$i];
  853:             if (defined($$courseopt{$item})) {
  854:                 $coursereply = $$courseopt{$item};
  855:                 $resultitem = $item;
  856:                 $resultgroup = $group;
  857:                 $resultlevel = $levelnames[$i];
  858:                 $resulttype = $$courseopt{$item.'.type'};
  859:                 $grpfound = 1;
  860:                 last;
  861:             }
  862:         }
  863:     }
  864:     return($coursereply,$resultitem,$resultgroup,$resultlevel,$resulttype);
  865: }
  866: 
  867: =pod
  868: 
  869: =item B<extractResourceInformation>: Given the course data hash, extractResourceInformation extracts lots of information about the course's resources into a variety of hashes.
  870: 
  871: Input: See list below:
  872: 
  873: =over 4
  874: 
  875: =item B<ids>: An array that will contain all of the ids in the course.
  876: 
  877: =item B<typep>: hash, id->type, where "type" contains the extension of the file, thus, I<problem exam quiz assess survey form>.
  878: 
  879: =item B<keyp>: hash, id->key list, will contain a comma separated list of the meta-data keys available for the given id
  880: 
  881: =item B<allparms>: hash, name of parameter->display value (what is the display value?)
  882: 
  883: =item B<allparts>: hash, part identification->text representation of part, where the text representation is "[Part $part]"
  884: 
  885: =item B<allkeys>: hash, full key to part->display value (what's display value?)
  886: 
  887: =item B<allmaps>: hash, ???
  888: 
  889: =item B<fcat>: ???
  890: 
  891: =item B<defp>: hash, ???
  892: 
  893: =item B<mapp>: ??
  894: 
  895: =item B<symbp>: hash, id->full sym?
  896: 
  897: =back
  898: 
  899: =cut
  900: 
  901: sub extractResourceInformation {
  902:     my $ids = shift;
  903:     my $typep = shift;
  904:     my $keyp = shift;
  905:     my $allparms = shift;
  906:     my $allparts = shift;
  907:     my $allmaps = shift;
  908:     my $mapp = shift;
  909:     my $symbp = shift;
  910:     my $maptitles=shift;
  911:     my $uris=shift;
  912:     my $keyorder=shift;
  913:     my $defkeytype=shift;
  914: 
  915:     my $keyordercnt=100;
  916: 
  917:     my $navmap = Apache::lonnavmaps::navmap->new();
  918:     my @allres=$navmap->retrieveResources(undef,undef,1,undef,1);
  919:     foreach my $resource (@allres) {
  920: 	my $id=$resource->id();
  921:         my ($mapid,$resid)=split(/\./,$id);
  922: 	if ($mapid eq '0') { next; }
  923: 	$$ids[$#$ids+1]=$id;
  924: 	my $srcf=$resource->src();
  925: 	$srcf=~/\.(\w+)$/;
  926: 	$$typep{$id}=$1;
  927: 	$$keyp{$id}='';
  928:         $$uris{$id}=$srcf;
  929: 	foreach (split(/\,/,&Apache::lonnet::metadata($srcf,'allpossiblekeys'))) {
  930: 	    if ($_=~/^parameter\_(.*)/) {
  931: 		my $key=$_;
  932: # Hidden parameters
  933: 		if (&Apache::lonnet::metadata($srcf,$key.'.hidden') eq 'parm') {
  934: 		    next;
  935: 		}
  936: 		my $display= &Apache::lonnet::metadata($srcf,$key.'.display');
  937: 		my $name=&Apache::lonnet::metadata($srcf,$key.'.name');
  938: 		my $part= &Apache::lonnet::metadata($srcf,$key.'.part');
  939: #
  940: # allparms is a hash of parameter names
  941: #
  942: 		my $parmdis = $display;
  943: 		$parmdis =~ s/\[Part.*$//g;
  944:                 $$allparms{$name}=$parmdis;
  945: 		$$defkeytype{$name}=&Apache::lonnet::metadata($srcf,$key.'.type');
  946: #
  947: # allparts is a hash of all parts
  948: #
  949: 		$$allparts{$part} = "Part: $part";
  950: #
  951: # Remember all keys going with this resource
  952: #
  953: 		if ($$keyp{$id}) {
  954: 		    $$keyp{$id}.=','.$key;
  955: 		} else {
  956: 		    $$keyp{$id}=$key;
  957: 		}
  958: #
  959: # Put in order
  960: # 
  961:                 unless ($$keyorder{$key}) {
  962:                     $$keyorder{$key}=$keyordercnt;
  963:                     $keyordercnt++;
  964: 		}
  965: 
  966: 	    }
  967: 	}
  968: 	$$mapp{$id}=
  969: 	    &Apache::lonnet::declutter($resource->enclosing_map_src());
  970: 	$$mapp{$mapid}=$$mapp{$id};
  971: 	$$allmaps{$mapid}=$$mapp{$id};
  972: 	if ($mapid eq '1') {
  973: 	    $$maptitles{$mapid}='Main Course Documents';
  974: 	} else {
  975: 	    $$maptitles{$mapid}=&Apache::lonnet::gettitle(&Apache::lonnet::clutter($$mapp{$id}));
  976: 	}
  977: 	$$maptitles{$$mapp{$id}}=$$maptitles{$mapid};
  978: 	$$symbp{$id}=&Apache::lonnet::encode_symb($$mapp{$id},$resid,$srcf);
  979: 	$$symbp{$mapid}=$$mapp{$id}.'___(all)';
  980:     }
  981: }
  982: 
  983: 
  984: ##################################################
  985: ##################################################
  986: 
  987: sub isdateparm {
  988:     my $type=shift;
  989:     return (($type=~/^date/) && (!($type eq 'date_interval')));
  990: }
  991: 
  992: sub parmmenu {
  993:     my ($r,$allparms,$pscat,$keyorder)=@_;
  994:     my $tempkey;
  995:     $r->print(<<ENDSCRIPT);
  996: <script type="text/javascript">
  997:     function checkall(value, checkName) {
  998: 	for (i=0; i<document.forms.parmform.elements.length; i++) {
  999:             ele = document.forms.parmform.elements[i];
 1000:             if (ele.name == checkName) {
 1001:                 document.forms.parmform.elements[i].checked=value;
 1002:             }
 1003:         }
 1004:     }
 1005: 
 1006:     function checkthis(thisvalue, checkName) {
 1007: 	for (i=0; i<document.forms.parmform.elements.length; i++) {
 1008:             ele = document.forms.parmform.elements[i];
 1009:             if (ele.name == checkName) {
 1010: 		if (ele.value == thisvalue) {
 1011: 		    document.forms.parmform.elements[i].checked=true;
 1012: 		}
 1013:             }
 1014:         }
 1015:     }
 1016: 
 1017:     function checkdates() {
 1018: 	checkthis('duedate','pscat');
 1019:  	checkthis('opendate','pscat');
 1020: 	checkthis('answerdate','pscat');
 1021:     }
 1022: 
 1023:     function checkdisset() {
 1024: 	checkthis('discussend','pscat');
 1025:  	checkthis('discusshide','pscat');
 1026:     }
 1027: 
 1028:     function checkcontdates() {
 1029: 	checkthis('contentopen','pscat');
 1030:  	checkthis('contentclose','pscat');
 1031:     }
 1032:  
 1033: 
 1034:     function checkvisi() {
 1035: 	checkthis('hiddenresource','pscat');
 1036:  	checkthis('encrypturl','pscat');
 1037: 	checkthis('problemstatus','pscat');
 1038: 	checkthis('contentopen','pscat');
 1039: 	checkthis('opendate','pscat');
 1040:     }
 1041: 
 1042:     function checkparts() {
 1043: 	checkthis('hiddenparts','pscat');
 1044: 	checkthis('display','pscat');
 1045: 	checkthis('ordered','pscat');
 1046:     }
 1047: 
 1048:     function checkstandard() {
 1049:         checkall(false,'pscat');
 1050: 	checkdates();
 1051: 	checkthis('weight','pscat');
 1052: 	checkthis('maxtries','pscat');
 1053:     }
 1054: 
 1055: </script>
 1056: ENDSCRIPT
 1057:     $r->print();
 1058:     $r->print("\n<table><tr>");
 1059:     my $cnt=0;
 1060:     foreach $tempkey (&keysindisplayorder($allparms,$keyorder)) {
 1061: 	$r->print("\n<td><font size='-1'><label><input type='checkbox' name='pscat' ");
 1062: 	$r->print('value="'.$tempkey.'"');
 1063: 	if ($$pscat[0] eq "all" || grep $_ eq $tempkey, @{$pscat}) {
 1064: 	    $r->print(' checked');
 1065: 	}
 1066: 	$r->print('>'.$$allparms{$tempkey}.'</label></font></td>');
 1067:  	$cnt++;
 1068:         if ($cnt==3) {
 1069: 	    $r->print("</tr>\n<tr>");
 1070: 	    $cnt=0;
 1071: 	}
 1072:     }
 1073:     $r->print('
 1074: </tr><tr><td>
 1075: <a href="javascript:checkall(true, \'pscat\')">Select&nbsp;All</a><br />
 1076: <a href="javascript:checkstandard()">Select&nbsp;Common&nbsp;Only</a>
 1077: </td><td>
 1078: <a href="javascript:checkdates()">Add&nbsp;Problem&nbsp;Dates</a>
 1079: <a href="javascript:checkcontdates()">Add&nbsp;Content&nbsp;Dates</a><br />
 1080: <a href="javascript:checkdisset()">Add&nbsp;Discussion&nbsp;Settings</a>
 1081: <a href="javascript:checkvisi()">Add&nbsp;Visibilities</a><br />
 1082: <a href="javascript:checkparts()">Add&nbsp;Part&nbsp;Parameters</a>
 1083: </td><td>
 1084: <a href="javascript:checkall(false, \'pscat\')">Unselect&nbsp;All</a>
 1085: </td>
 1086: ');
 1087:     $r->print('</tr></table>');
 1088: }
 1089: 
 1090: sub partmenu {
 1091:     my ($r,$allparts,$psprt)=@_;
 1092:     $r->print('<select multiple name="psprt" size="8">');
 1093:     $r->print('<option value="all"');
 1094:     $r->print(' selected') unless (@{$psprt});
 1095:     $r->print('>'.&mt('All Parts').'</option>');
 1096:     my %temphash=();
 1097:     foreach (@{$psprt}) { $temphash{$_}=1; }
 1098:     foreach my $tempkey (sort {
 1099: 	if ($a==$b) { return ($a cmp $b) } else { return ($a <=> $b); }
 1100:     } keys(%{$allparts})) {
 1101: 	unless ($tempkey =~ /\./) {
 1102: 	    $r->print('<option value="'.$tempkey.'"');
 1103: 	    if ($$psprt[0] eq "all" ||  $temphash{$tempkey}) {
 1104: 		$r->print(' selected');
 1105: 	    }
 1106: 	    $r->print('>'.$$allparts{$tempkey}.'</option>');
 1107: 	}
 1108:     }
 1109:     $r->print('</select>');
 1110: }
 1111: 
 1112: sub usermenu {
 1113:     my ($r,$uname,$id,$udom,$csec,$cgroup,$parmlev,$usersgroups)=@_;
 1114:     my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
 1115:         &Apache::loncommon::selectstudent_link('parmform','uname','udom');
 1116:     my $selscript=&Apache::loncommon::studentbrowser_javascript();
 1117:     my %lt=&Apache::lonlocal::texthash(
 1118: 		    'se'    => "Section",
 1119:                     'gr'    => "Group",
 1120: 		    'fu'    => "For User",
 1121: 		    'oi'    => "or ID",
 1122: 		    'ad'    => "at Domain"
 1123: 				       );
 1124:     my $sections='';
 1125:     my %sectionhash = &Apache::loncommon::get_sections();
 1126: 
 1127:     my $groups;
 1128:     my %grouphash = &Apache::loncommon::coursegroups();
 1129: 
 1130:     if (%sectionhash) {
 1131:         $sections=$lt{'se'}.': <select name="csec"';
 1132:         if (%grouphash && $parmlev ne 'full') {
 1133:             $sections .= qq| onchange="group_or_section('csec')" |;
 1134:         }
 1135:         $sections .= '>';
 1136: 	foreach my $section ('',sort keys %sectionhash) {
 1137: 	    $sections.='<option value="'.$section.'" '.
 1138: 		($section eq $csec?'selected="selected"':'').'>'.$section.
 1139:                                                               '</option>';
 1140:         }
 1141:         $sections.='</select>';
 1142:     }
 1143:     if (%sectionhash && %grouphash && $parmlev ne 'full') {
 1144:         $sections .= '&nbsp;or&nbsp;';
 1145:         $sections .= qq|
 1146: <script type="text/javascript">
 1147: function group_or_section(caller) {
 1148:    if (caller == "cgroup") {
 1149:        if (document.parmform.cgroup.selectedIndex != 0) {
 1150:            document.parmform.csec.selectedIndex = 0;
 1151:        }
 1152:    } else {
 1153:        if (document.parmform.csec.selectedIndex != 0) {
 1154:            document.parmform.cgroup.selectedIndex = 0;
 1155:        }
 1156:    }
 1157: }
 1158: </script>
 1159: |;
 1160:     } else {
 1161:         $sections .= qq|
 1162: <script type="text/javascript">
 1163: function group_or_section(caller) {
 1164:     return;
 1165: }
 1166: </script>
 1167: |;
 1168:     } 
 1169: 
 1170:     if (%grouphash) {
 1171:         $groups=$lt{'gr'}.': <select name="cgroup"';
 1172:         if (%sectionhash && $env{'form.action'} eq 'settable') {
 1173:             $groups .= qq| onchange="group_or_section('cgroup')" |;
 1174:         }
 1175:         $groups .= '>';
 1176:         foreach my $grp ('',sort keys %grouphash) {
 1177:             $groups.='<option value="'.$grp.'" ';
 1178:             if ($grp eq $cgroup) {
 1179:                 unless ((defined($uname)) && ($grp eq '')) {
 1180:                     $groups .=  'selected="selected" ';
 1181:                 }
 1182:             } elsif (!defined($cgroup)) {
 1183:                 if (@{$usersgroups} == 1) {
 1184:                     if ($grp eq $$usersgroups[0]) {
 1185:                         $groups .=  'selected="selected" ';
 1186:                     }
 1187:                 }
 1188:             }
 1189:             $groups .= '>'.$grp.'</option>';
 1190:         }
 1191:         $groups.='</select>';
 1192:     }
 1193:     $r->print(<<ENDMENU);
 1194: <b>
 1195: $sections
 1196: $groups
 1197: <br />
 1198: $lt{'fu'} 
 1199: <input type="text" value="$uname" size="12" name="uname" />
 1200: $lt{'oi'}
 1201: <input type="text" value="$id" size="12" name="id" /> 
 1202: $lt{'ad'}
 1203: $chooseopt
 1204: </b>
 1205: ENDMENU
 1206: }
 1207: 
 1208: sub displaymenu {
 1209:     my ($r,$allparms,$allparts,$pscat,$psprt,$keyorder)=@_;
 1210:     $r->print('<table border="1"><tr><th>'.&mt('Select Parameters to View').'</th><th>'.
 1211: 	     &mt('Select Parts to View').'</th></tr><tr><td>');  
 1212:     &parmmenu($r,$allparms,$pscat,$keyorder);
 1213:     $r->print('</td><td>');
 1214:     &partmenu($r,$allparts,$psprt);
 1215:     $r->print('</td></tr></table>');
 1216: }
 1217: 
 1218: sub mapmenu {
 1219:     my ($r,$allmaps,$pschp,$maptitles)=@_;
 1220:     $r->print('<b>'.&mt('Select Enclosing Map or Folder').'</b> ');
 1221:     $r->print('<select name="pschp">');
 1222:     $r->print('<option value="all">'.&mt('All Maps or Folders').'</option>');
 1223:     foreach (sort {$$allmaps{$a} cmp $$allmaps{$b}} keys %{$allmaps}) {
 1224: 	$r->print('<option value="'.$_.'"');
 1225: 	if (($pschp eq $_)) { $r->print(' selected'); }
 1226: 	$r->print('>'.$$maptitles{$_}.($$allmaps{$_}!~/^uploaded/?' ['.$$allmaps{$_}.']':'').'</option>');
 1227:     }
 1228:     $r->print("</select>");
 1229: }
 1230: 
 1231: sub levelmenu {
 1232:     my ($r,$alllevs,$parmlev)=@_;
 1233:     $r->print('<b>'.&mt('Select Parameter Level').
 1234: 	      &Apache::loncommon::help_open_topic('Course_Parameter_Levels').'</b> ');
 1235:     $r->print('<select name="parmlev">');
 1236:     foreach (reverse sort keys %{$alllevs}) {
 1237: 	$r->print('<option value="'.$$alllevs{$_}.'"');
 1238: 	if ($parmlev eq $$alllevs{$_}) {
 1239: 	    $r->print(' selected'); 
 1240: 	}
 1241: 	$r->print('>'.$_.'</option>');
 1242:     }
 1243:     $r->print("</select>");
 1244: }
 1245: 
 1246: 
 1247: sub sectionmenu {
 1248:     my ($r,$selectedsections)=@_;
 1249:     my %sectionhash = &Apache::loncommon::get_sections();
 1250:     return if (!%sectionhash);
 1251: 
 1252:     $r->print('<select name="Section" multiple="true" size="8" >');
 1253:     foreach my $s ('all',sort keys %sectionhash) {
 1254: 	$r->print('    <option value="'.$s.'"');
 1255: 	foreach (@{$selectedsections}) {
 1256: 	    if ($s eq $_) {
 1257: 		$r->print(' selected');
 1258: 		last;
 1259: 	    }
 1260: 	}
 1261: 	$r->print('>'.$s."</option>\n");
 1262:     }
 1263:     $r->print("</select>\n");
 1264: }
 1265: 
 1266: sub groupmenu {
 1267:     my ($r,$selectedgroups)=@_;
 1268:     my %grouphash = &Apache::loncommon::coursegroups();
 1269:     return if (!%grouphash);
 1270: 
 1271:     $r->print('<select name="Group" multiple="true" size="8" >');
 1272:     foreach my $group (sort(keys(%grouphash))) {
 1273: 	$r->print('    <option value="'.$group.'"');
 1274: 	foreach (@{$selectedgroups}) {
 1275: 	    if ($group eq $_) {
 1276: 		$r->print(' selected');
 1277: 		last;
 1278: 	    }
 1279: 	}
 1280: 	$r->print('>'.$group."</option>\n");
 1281:     }
 1282:     $r->print("</select>\n");
 1283: }
 1284: 
 1285: 
 1286: sub keysplit {
 1287:     my $keyp=shift;
 1288:     return (split(/\,/,$keyp));
 1289: }
 1290: 
 1291: sub keysinorder {
 1292:     my ($name,$keyorder)=@_;
 1293:     return sort {
 1294: 	$$keyorder{$a} <=> $$keyorder{$b};
 1295:     } (keys %{$name});
 1296: }
 1297: 
 1298: sub keysinorder_bytype {
 1299:     my ($name,$keyorder)=@_;
 1300:     return sort {
 1301: 	my $ta=(split('_',$a))[-1];
 1302: 	my $tb=(split('_',$b))[-1];
 1303: 	if ($$keyorder{'parameter_0_'.$ta} == $$keyorder{'parameter_0_'.$tb}) {
 1304: 	    return ($a cmp $b);
 1305: 	}
 1306: 	$$keyorder{'parameter_0_'.$ta} <=> $$keyorder{'parameter_0_'.$tb};
 1307:     } (keys %{$name});
 1308: }
 1309: 
 1310: sub keysindisplayorder {
 1311:     my ($name,$keyorder)=@_;
 1312:     return sort {
 1313: 	$$keyorder{'parameter_0_'.$a} <=> $$keyorder{'parameter_0_'.$b};
 1314:     } (keys %{$name});
 1315: }
 1316: 
 1317: sub sortmenu {
 1318:     my ($r,$sortorder)=@_;
 1319:     $r->print('<br /><label><input type="radio" name="sortorder" value="realmstudent"');
 1320:     if ($sortorder eq 'realmstudent') {
 1321:        $r->print(' checked="on"');
 1322:     }
 1323:     $r->print(' />'.&mt('Sort by realm first, then student (group/section)'));
 1324:     $r->print('</label><br /><label><input type="radio" name="sortorder" value="studentrealm"');
 1325:     if ($sortorder eq 'studentrealm') {
 1326:        $r->print(' checked="on"');
 1327:     }
 1328:     $r->print(' />'.&mt('Sort by student (group/section) first, then realm').
 1329: 	      '</label>');
 1330: }
 1331: 
 1332: sub standardkeyorder {
 1333:     return ('parameter_0_opendate' => 1,
 1334: 	    'parameter_0_duedate' => 2,
 1335: 	    'parameter_0_answerdate' => 3,
 1336: 	    'parameter_0_interval' => 4,
 1337: 	    'parameter_0_weight' => 5,
 1338: 	    'parameter_0_maxtries' => 6,
 1339: 	    'parameter_0_hinttries' => 7,
 1340: 	    'parameter_0_contentopen' => 8,
 1341: 	    'parameter_0_contentclose' => 9,
 1342: 	    'parameter_0_type' => 10,
 1343: 	    'parameter_0_problemstatus' => 11,
 1344: 	    'parameter_0_hiddenresource' => 12,
 1345: 	    'parameter_0_hiddenparts' => 13,
 1346: 	    'parameter_0_display' => 14,
 1347: 	    'parameter_0_ordered' => 15,
 1348: 	    'parameter_0_tol' => 16,
 1349: 	    'parameter_0_sig' => 17,
 1350: 	    'parameter_0_turnoffunit' => 18,
 1351:             'parameter_0_discussend' => 19,
 1352:             'parameter_0_discusshide' => 20);
 1353: }
 1354: 
 1355: ##################################################
 1356: ##################################################
 1357: 
 1358: =pod
 1359: 
 1360: =item assessparms
 1361: 
 1362: Show assessment data and parameters.  This is a large routine that should
 1363: be simplified and shortened... someday.
 1364: 
 1365: Inputs: $r
 1366: 
 1367: Returns: nothing
 1368: 
 1369: Variables used (guessed by Jeremy):
 1370: 
 1371: =over 4
 1372: 
 1373: =item B<pscat>: ParameterS CATegories? ends up a list of the types of parameters that exist, e.g., tol, weight, acc, opendate, duedate, answerdate, sig, maxtries, type.
 1374: 
 1375: =item B<psprt>: ParameterS PaRTs? a list of the parts of a problem that we are displaying? Used to display only selected parts?
 1376: 
 1377: =item B<allmaps>:
 1378: 
 1379: =back
 1380: 
 1381: =cut
 1382: 
 1383: ##################################################
 1384: ##################################################
 1385: sub assessparms {
 1386: 
 1387:     my $r=shift;
 1388: 
 1389:     my @ids=();
 1390:     my %symbp=();
 1391:     my %mapp=();
 1392:     my %typep=();
 1393:     my %keyp=();
 1394:     my %uris=();
 1395:     my %maptitles=();
 1396: 
 1397: # -------------------------------------------------------- Variable declaration
 1398: 
 1399:     my %allmaps=();
 1400:     my %alllevs=();
 1401: 
 1402:     my $uname;
 1403:     my $udom;
 1404:     my $uhome;
 1405:     my $csec;
 1406:     my $cgroup;
 1407:     my @usersgroups = ();
 1408:  
 1409:     my $coursename=$env{'course.'.$env{'request.course.id'}.'.description'};
 1410: 
 1411:     $alllevs{'Resource Level'}='full';
 1412:     $alllevs{'Map/Folder Level'}='map';
 1413:     $alllevs{'Course Level'}='general';
 1414: 
 1415:     my %allparms;
 1416:     my %allparts;
 1417: #
 1418: # Order in which these parameters will be displayed
 1419: #
 1420:     my %keyorder=&standardkeyorder();
 1421: 
 1422:     @ids=();
 1423:     %symbp=();
 1424:     %typep=();
 1425: 
 1426:     my $message='';
 1427: 
 1428:     $csec=$env{'form.csec'};
 1429:     $cgroup=$env{'form.cgroup'};
 1430: 
 1431:     if      ($udom=$env{'form.udom'}) {
 1432:     } elsif ($udom=$env{'request.role.domain'}) {
 1433:     } elsif ($udom=$env{'user.domain'}) {
 1434:     } else {
 1435: 	$udom=$r->dir_config('lonDefDomain');
 1436:     }
 1437: 
 1438:     my @pscat=&Apache::loncommon::get_env_multiple('form.pscat');
 1439:     my $pschp=$env{'form.pschp'};
 1440:     my @psprt=&Apache::loncommon::get_env_multiple('form.psprt');
 1441:     if (!@psprt) { $psprt[0]='0'; }
 1442: 
 1443:     my $pssymb='';
 1444:     my $parmlev='';
 1445:  
 1446:     unless ($env{'form.parmlev'}) {
 1447:         $parmlev = 'map';
 1448:     } else {
 1449:         $parmlev = $env{'form.parmlev'};
 1450:     }
 1451: 
 1452: # ----------------------------------------------- Was this started from grades?
 1453: 
 1454:     if (($env{'form.command'} eq 'set') && ($env{'form.url'})
 1455: 	&& (!$env{'form.dis'})) {
 1456: 	my $url=$env{'form.url'};
 1457: 	$url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
 1458: 	$pssymb=&Apache::lonnet::symbread($url);
 1459: 	if (!@pscat) { @pscat=('all'); }
 1460: 	$pschp='';
 1461:         $parmlev = 'full';
 1462:     } elsif ($env{'form.symb'}) {
 1463: 	$pssymb=$env{'form.symb'};
 1464: 	if (!@pscat) { @pscat=('all'); }
 1465: 	$pschp='';
 1466:         $parmlev = 'full';
 1467:     } else {
 1468: 	$env{'form.url'}='';
 1469:     }
 1470: 
 1471:     my $id=$env{'form.id'};
 1472:     if (($id) && ($udom)) {
 1473: 	$uname=(&Apache::lonnet::idget($udom,$id))[1];
 1474: 	if ($uname) {
 1475: 	    $id='';
 1476: 	} else {
 1477: 	    $message=
 1478: 		"<font color=red>".&mt("Unknown ID")." '$id' ".
 1479: 		&mt('at domain')." '$udom'</font>";
 1480: 	}
 1481:     } else {
 1482: 	$uname=$env{'form.uname'};
 1483:     }
 1484:     unless ($udom) { $uname=''; }
 1485:     $uhome='';
 1486:     if ($uname) {
 1487: 	$uhome=&Apache::lonnet::homeserver($uname,$udom);
 1488:         if ($uhome eq 'no_host') {
 1489: 	    $message=
 1490: 		"<font color=red>".&mt("Unknown user")." '$uname' ".
 1491: 		&mt("at domain")." '$udom'</font>";
 1492: 	    $uname='';
 1493:         } else {
 1494: 	    $csec=&Apache::lonnet::getsection($udom,$uname,
 1495: 					      $env{'request.course.id'});
 1496:             
 1497: 	    if ($csec eq '-1') {
 1498: 		$message="<font color=red>".
 1499: 		    &mt("User")." '$uname' ".&mt("at domain")." '$udom' ".
 1500: 		    &mt("not in this course")."</font>";
 1501: 		$uname='';
 1502: 		$csec=$env{'form.csec'};
 1503:                 $cgroup=$env{'form.cgroup'};
 1504: 	    } else {
 1505: 		my %name=&Apache::lonnet::userenvironment($udom,$uname,
 1506: 		      ('firstname','middlename','lastname','generation','id'));
 1507: 		$message="\n<p>\n".&mt("Full Name").": ".
 1508: 		    $name{'firstname'}.' '.$name{'middlename'}.' '
 1509: 			.$name{'lastname'}.' '.$name{'generation'}.
 1510: 			    "<br>\n".&mt('ID').": ".$name{'id'}.'<p>';
 1511: 	    }
 1512:             @usersgroups = &Apache::lonnet::get_users_groups(
 1513:                                        $udom,$uname,$env{'request.course.id'});
 1514:             if (@usersgroups > 0) {
 1515:                 unless (grep(/^\Q$cgroup\E$/,@usersgroups)) {
 1516:                     $cgroup = $usersgroups[0];
 1517:                 }
 1518:             }
 1519:         }
 1520:     }
 1521: 
 1522:     unless ($csec) { $csec=''; }
 1523:     unless ($cgroup) { $cgroup=''; }
 1524: 
 1525: # --------------------------------------------------------- Get all assessments
 1526:     &extractResourceInformation(\@ids, \%typep,\%keyp, \%allparms, \%allparts, \%allmaps, 
 1527: 				\%mapp, \%symbp,\%maptitles,\%uris,
 1528: 				\%keyorder);
 1529: 
 1530:     $mapp{'0.0'} = '';
 1531:     $symbp{'0.0'} = '';
 1532: 
 1533: # ---------------------------------------------------------- Anything to store?
 1534:     if ($env{'form.pres_marker'}) {
 1535:         my @markers=split(/\&\&\&/,$env{'form.pres_marker'});
 1536:         my @values=split(/\&\&\&/,$env{'form.pres_value'});
 1537:         my @types=split(/\&\&\&/,$env{'form.pres_type'});
 1538: 	for (my $i=0;$i<=$#markers;$i++) {
 1539: 	    $message.=&storeparm(split(/\&/,$markers[$i]),
 1540: 				 $values[$i],
 1541: 				 $types[$i],
 1542: 				 $uname,$udom,$csec,$cgroup);
 1543: 	}
 1544: # ---------------------------------------------------------------- Done storing
 1545: 	$message.='<h3>'.&mt('Changes can take up to 10 minutes before being active for all students.').&Apache::loncommon::help_open_topic('Caching').'</h3>';
 1546:     }
 1547: #----------------------------------------------- if all selected, fill in array
 1548:     if ($pscat[0] eq "all") {@pscat = (keys %allparms);}
 1549:     if (!@pscat) { @pscat=('duedate','opendate','answerdate','weight','maxtries') }; 
 1550:     if ($psprt[0] eq "all" || !@psprt) {@psprt = (keys %allparts);}
 1551: # ------------------------------------------------------------------ Start page
 1552: 
 1553:     &startpage($r);
 1554: 
 1555:     foreach ('tolerance','date_default','date_start','date_end',
 1556: 	     'date_interval','int','float','string') {
 1557: 	$r->print('<input type="hidden" value="'.
 1558: 		  $env{'form.recent_'.$_}.'" name="recent_'.$_.'">');
 1559:     }
 1560:                         
 1561:     if (!$pssymb) {
 1562:         $r->print('<table border="1"><tr><td>');
 1563:         &levelmenu($r,\%alllevs,$parmlev);
 1564: 	if ($parmlev ne 'general') {
 1565:             $r->print('<td>');
 1566: 	    &mapmenu($r,\%allmaps,$pschp,\%maptitles);
 1567: 	    $r->print('</td>');
 1568: 	}
 1569:         $r->print('</td></tr></table>');
 1570: 	&displaymenu($r,\%allparms,\%allparts,\@pscat,\@psprt,\%keyorder);
 1571:     } else {
 1572:         my ($map,$id,$resource)=&Apache::lonnet::decode_symb($pssymb);
 1573:         $r->print(&mt('Specific Resource').": ".$resource.
 1574:                   '<input type="hidden" value="'.$pssymb.'" name="symb">'.
 1575: 		  '<br /><label><b>'.&mt('Show all parts').': <input type="checkbox" name="psprt" value="all"'.
 1576: 		  ($env{'form.psprt'}?' checked="checked"':'').' /></b></label><br />');
 1577:     }
 1578:     &usermenu($r,$uname,$id,$udom,$csec,$cgroup,$parmlev,\@usersgroups);    
 1579: 
 1580:     $r->print('<p>'.$message.'</p>');
 1581: 
 1582:     $r->print('<br /><input type="submit" name="dis" value="'.&mt("Update Parameter Display").'" />');
 1583: 
 1584:     my @temp_pscat;
 1585:     map {
 1586:         my $cat = $_;
 1587:         push(@temp_pscat, map { $_.'.'.$cat } @psprt);
 1588:     } @pscat;
 1589: 
 1590:     @pscat = @temp_pscat;
 1591: 
 1592:     if (($env{'form.prevvisit'}) || ($pschp) || ($pssymb)) {
 1593: # ----------------------------------------------------------------- Start Table
 1594:         my @catmarker=map { tr|.|_|; 'parameter_'.$_; } @pscat;
 1595:         my $csuname=$env{'user.name'};
 1596:         my $csudom=$env{'user.domain'};
 1597: 
 1598:         if ($parmlev eq 'full') {
 1599:            my $coursespan=$csec?8:5;
 1600:            my $userspan=3;
 1601:            if ($cgroup ne '') {
 1602:               $coursespan += 3;
 1603:            } 
 1604:       
 1605:            $r->print('<p><table border=2>');
 1606:            $r->print('<tr><td colspan=5></td>');
 1607:            $r->print('<th colspan='.($coursespan).'>'.&mt('Any User').'</th>');
 1608:            if ($uname) {
 1609:                if (@usersgroups > 1) {
 1610:                    $userspan ++;
 1611:                }
 1612:                $r->print('<th colspan="'.$userspan.'" rowspan="2">');
 1613:                $r->print(&mt("User")." $uname ".&mt('at Domain')." $udom</th>");
 1614:            }
 1615: 	   my %lt=&Apache::lonlocal::texthash(
 1616: 				  'pie'    => "Parameter in Effect",
 1617: 				  'csv'    => "Current Session Value",
 1618:                                   'at'     => 'at',
 1619:                                   'rl'     => "Resource Level",
 1620: 				  'ic'     => 'in Course',
 1621: 				  'aut'    => "Assessment URL and Title",
 1622: 				  'type'   => 'Type',
 1623: 				  'emof'   => "Enclosing Map or Folder",
 1624: 				  'part'   => 'Part',
 1625:                                   'pn'     => 'Parameter Name',
 1626: 				  'def'    => 'default',
 1627: 				  'femof'  => 'from Enclosing Map or Folder',
 1628: 				  'gen'    => 'general',
 1629: 				  'foremf' => 'for Enclosing Map or Folder',
 1630: 				  'fr'     => 'for Resource'
 1631: 					      );
 1632:            $r->print(<<ENDTABLETWO);
 1633: <th rowspan=3>$lt{'pie'}</th>
 1634: <th rowspan=3>$lt{'csv'}<br>($csuname $lt{'at'} $csudom)</th>
 1635: </tr><tr><td colspan=5></td><th colspan=2>$lt{'ic'}</th><th colspan=2>$lt{'rl'}</th>
 1636: <th colspan=1>$lt{'ic'}</th>
 1637: 
 1638: ENDTABLETWO
 1639:            if ($csec) {
 1640:                 $r->print("<th colspan=3>".
 1641: 			  &mt("in Section")." $csec</th>");
 1642:            }
 1643:            if ($cgroup) {
 1644:                 $r->print("<th colspan=3>".
 1645:                           &mt("in Group")." $cgroup</th>");
 1646:            }
 1647:            $r->print(<<ENDTABLEHEADFOUR);
 1648: </tr><tr><th>$lt{'aut'}</th><th>$lt{'type'}</th>
 1649: <th>$lt{'emof'}</th><th>$lt{'part'}</th><th>$lt{'pn'}</th>
 1650: <th>$lt{'gen'}</th><th>$lt{'foremf'}</th>
 1651: <th>$lt{'def'}</th><th>$lt{'femof'}</th><th>$lt{'fr'}</th>
 1652: ENDTABLEHEADFOUR
 1653: 
 1654:            if ($csec) {
 1655:                $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
 1656:            }
 1657: 
 1658:            if ($cgroup) {
 1659:                $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
 1660:            }
 1661: 
 1662:            if ($uname) {
 1663:                if (@usersgroups > 1) {
 1664:                    $r->print('<th>'.&mt('Control by other group?').'</th>');
 1665:                }
 1666:                $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
 1667:            }
 1668: 
 1669:            $r->print('</tr>');
 1670: 
 1671:            my $defbgone='';
 1672:            my $defbgtwo='';
 1673:            my $defbgthree = '';
 1674: 
 1675:            foreach (@ids) {
 1676: 
 1677:                 my $rid=$_;
 1678:                 my ($inmapid)=($rid=~/\.(\d+)$/);
 1679: 
 1680:                 if ((!$pssymb && 
 1681: 		     (($pschp eq 'all') || ($allmaps{$pschp} eq $mapp{$rid})))
 1682: 		    ||
 1683: 		    ($pssymb && $pssymb eq $symbp{$rid})) {
 1684: # ------------------------------------------------------ Entry for one resource
 1685:                     if ($defbgone eq '"#E0E099"') {
 1686:                         $defbgone='"#E0E0DD"';
 1687:                     } else {
 1688:                         $defbgone='"#E0E099"';
 1689:                     }
 1690:                     if ($defbgtwo eq '"#FFFF99"') {
 1691:                         $defbgtwo='"#FFFFDD"';
 1692:                     } else {
 1693:                         $defbgtwo='"#FFFF99"';
 1694:                     }
 1695:                     if ($defbgthree eq '"#FFBB99"') {
 1696:                         $defbgthree='"#FFBBDD"';
 1697:                     } else {
 1698:                         $defbgthree='"#FFBB99"';
 1699:                     }
 1700: 
 1701:                     my $thistitle='';
 1702:                     my %name=   ();
 1703:                     undef %name;
 1704:                     my %part=   ();
 1705:                     my %display=();
 1706:                     my %type=   ();
 1707:                     my %default=();
 1708:                     my $uri=&Apache::lonnet::declutter($uris{$rid});
 1709: 
 1710:                     foreach (&keysplit($keyp{$rid})) {
 1711:                         my $tempkeyp = $_;
 1712:                         if (grep $_ eq $tempkeyp, @catmarker) {
 1713:                           $part{$_}=&Apache::lonnet::metadata($uri,$_.'.part');
 1714:                           $name{$_}=&Apache::lonnet::metadata($uri,$_.'.name');
 1715:                           $display{$_}=&Apache::lonnet::metadata($uri,$_.'.display');
 1716:                           unless ($display{$_}) { $display{$_}=''; }
 1717:                           $display{$_}.=' ('.$name{$_}.')';
 1718:                           $default{$_}=&Apache::lonnet::metadata($uri,$_);
 1719:                           $type{$_}=&Apache::lonnet::metadata($uri,$_.'.type');
 1720:                           $thistitle=&Apache::lonnet::metadata($uri,$_.'.title');
 1721:                         }
 1722:                     }
 1723:                     my $totalparms=scalar keys %name;
 1724:                     if ($totalparms>0) {
 1725:                         my $firstrow=1;
 1726: 			my $title=&Apache::lonnet::gettitle($symbp{$rid});
 1727:                         $r->print('<tr><td bgcolor='.$defbgone.
 1728:                              ' rowspan='.$totalparms.
 1729:                              '><tt><font size=-1>'.
 1730:                              join(' / ',split(/\//,$uri)).
 1731:                              '</font></tt><p><b>'.
 1732:                              "<a href=\"javascript:openWindow('".
 1733: 				  &Apache::lonnet::clutter($uri).'?symb='.
 1734: 				  &Apache::lonnet::escape($symbp{$rid}).
 1735:                              "', 'metadatafile', '450', '500', 'no', 'yes')\";".
 1736:                              " TARGET=_self>$title");
 1737: 
 1738:                         if ($thistitle) {
 1739:                             $r->print(' ('.$thistitle.')');
 1740:                         }
 1741:                         $r->print('</a></b></td>');
 1742:                         $r->print('<td bgcolor='.$defbgtwo.
 1743:                                       ' rowspan='.$totalparms.'>'.$typep{$rid}.
 1744:                                       '</td>');
 1745: 
 1746:                         $r->print('<td bgcolor='.$defbgone.
 1747:                                       ' rowspan='.$totalparms.
 1748:                                       '>'.$maptitles{$mapp{$rid}}.'</td>');
 1749: 
 1750:                         foreach (&keysinorder_bytype(\%name,\%keyorder)) {
 1751:                             unless ($firstrow) {
 1752:                                 $r->print('<tr>');
 1753:                             } else {
 1754:                                 undef $firstrow;
 1755:                             }
 1756:                             &print_row($r,$_,\%part,\%name,\%symbp,$rid,\%default,
 1757:                                        \%type,\%display,$defbgone,$defbgtwo,
 1758:                                        $defbgthree,$parmlev,$uname,$udom,$csec,
 1759:                                                             $cgroup,\@usersgroups);
 1760:                         }
 1761:                     }
 1762:                 }
 1763:             } # end foreach ids
 1764: # -------------------------------------------------- End entry for one resource
 1765:             $r->print('</table>');
 1766:         } # end of  full
 1767: #--------------------------------------------------- Entry for parm level map
 1768:         if ($parmlev eq 'map') {
 1769:             my $defbgone = '"E0E099"';
 1770:             my $defbgtwo = '"FFFF99"';
 1771:             my $defbgthree = '"FFBB99"';
 1772: 
 1773:             my %maplist;
 1774: 
 1775:             if ($pschp eq 'all') {
 1776:                 %maplist = %allmaps; 
 1777:             } else {
 1778:                 %maplist = ($pschp => $mapp{$pschp});
 1779:             }
 1780: 
 1781: #-------------------------------------------- for each map, gather information
 1782:             my $mapid;
 1783: 	    foreach $mapid (sort {$maplist{$a} cmp $maplist{$b}} keys %maplist) {
 1784:                 my $maptitle = $maplist{$mapid};
 1785: 
 1786: #-----------------------  loop through ids and get all parameter types for map
 1787: #-----------------------------------------          and associated information
 1788:                 my %name = ();
 1789:                 my %part = ();
 1790:                 my %display = ();
 1791:                 my %type = ();
 1792:                 my %default = ();
 1793:                 my $map = 0;
 1794: 
 1795: #		$r->print("Catmarker: @catmarker<br />\n");
 1796:                
 1797:                 foreach (@ids) {
 1798:                   ($map)=(/([\d]*?)\./);
 1799:                   my $rid = $_;
 1800:         
 1801: #                  $r->print("$mapid:$map:   $rid <br /> \n");
 1802: 
 1803:                   if ($map eq $mapid) {
 1804:                     my $uri=&Apache::lonnet::declutter($uris{$rid});
 1805: #                    $r->print("Keys: $keyp{$rid} <br />\n");
 1806: 
 1807: #--------------------------------------------------------------------
 1808: # @catmarker contains list of all possible parameters including part #s
 1809: # $fullkeyp contains the full part/id # for the extraction of proper parameters
 1810: # $tempkeyp contains part 0 only (no ids - ie, subparts)
 1811: # When storing information, store as part 0
 1812: # When requesting information, request from full part
 1813: #-------------------------------------------------------------------
 1814:                     foreach (&keysplit($keyp{$rid})) {
 1815:                       my $tempkeyp = $_;
 1816:                       my $fullkeyp = $tempkeyp;
 1817:                       $tempkeyp =~ s/_\w+_/_0_/;
 1818:                       
 1819:                       if ((grep $_ eq $fullkeyp, @catmarker) &&(!$name{$tempkeyp})) {
 1820:                         $part{$tempkeyp}="0";
 1821:                         $name{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.name');
 1822:                         $display{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.display');
 1823:                         unless ($display{$tempkeyp}) { $display{$tempkeyp}=''; }
 1824:                         $display{$tempkeyp}.=' ('.$name{$tempkeyp}.')';
 1825:                         $display{$tempkeyp} =~ s/_\w+_/_0_/;
 1826:                         $default{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp);
 1827:                         $type{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.type');
 1828:                       }
 1829:                     } # end loop through keys
 1830:                   }
 1831:                 } # end loop through ids
 1832:                                  
 1833: #---------------------------------------------------- print header information
 1834:                 my $foldermap=&mt($maptitle=~/^uploaded/?'Folder':'Map');
 1835:                 my $showtitle=$maptitles{$maptitle}.($maptitle!~/^uploaded/?' ['.$maptitle.']':'');
 1836:                 $r->print(<<ENDMAPONE);
 1837: <center><h4>
 1838: Set Defaults for All Resources in $foldermap<br />
 1839: <font color="red"><i>$showtitle</i></font><br />
 1840: Specifically for
 1841: ENDMAPONE
 1842:                 if ($uname) {
 1843: 		    my $person=&Apache::loncommon::plainname($uname,$udom);
 1844:                     $r->print(&mt("User")." <font color=\"red\"><i>$uname \($person\) </i></font> ".
 1845:                         &mt('in')." \n");
 1846:                 } else {
 1847:                     $r->print("<font color=\"red\"><i>".&mt('all').'</i></font> '.&mt('users in')." \n");
 1848:                 }
 1849:                 if ($cgroup) {
 1850:                     $r->print(&mt("Group")." <font color=\"red\"><i>$cgroup".
 1851:                               "</i></font> ".&mt('of')." \n");
 1852:                     $csec = '';
 1853:                 } elsif ($csec) {
 1854:                     $r->print(&mt("Section")." <font color=\"red\"><i>$csec".
 1855:                               "</i></font> ".&mt('of')." \n");
 1856:                 }
 1857:                 $r->print("<font color=\"red\"><i>$coursename</i></font><br />");
 1858:                 $r->print("</h4>\n");
 1859: #---------------------------------------------------------------- print table
 1860:                 $r->print('<p><table border="2">');
 1861:                 $r->print('<tr><th>'.&mt('Parameter Name').'</th>');
 1862:                 $r->print('<th>'.&mt('Default Value').'</th>');
 1863:                 $r->print('<th>'.&mt('Parameter in Effect').'</th></tr>');
 1864: 
 1865: 	        foreach (&keysinorder(\%name,\%keyorder)) {
 1866:                     $r->print('<tr>');
 1867:                     &print_row($r,$_,\%part,\%name,\%symbp,$mapid,\%default,
 1868:                            \%type,\%display,$defbgone,$defbgtwo,$defbgthree,
 1869:                            $parmlev,$uname,$udom,$csec,$cgroup);
 1870:                 }
 1871:                 $r->print("</table></center>");
 1872:             } # end each map
 1873:         } # end of $parmlev eq map
 1874: #--------------------------------- Entry for parm level general (Course level)
 1875:         if ($parmlev eq 'general') {
 1876:             my $defbgone = '"E0E099"';
 1877:             my $defbgtwo = '"FFFF99"';
 1878:             my $defbgthree = '"FFBB99"';
 1879: 
 1880: #-------------------------------------------- for each map, gather information
 1881:             my $mapid="0.0";
 1882: #-----------------------  loop through ids and get all parameter types for map
 1883: #-----------------------------------------          and associated information
 1884:             my %name = ();
 1885:             my %part = ();
 1886:             my %display = ();
 1887:             my %type = ();
 1888:             my %default = ();
 1889:                
 1890:             foreach (@ids) {
 1891:                 my $rid = $_;
 1892:         
 1893:                 my $uri=&Apache::lonnet::declutter($uris{$rid});
 1894: 
 1895: #--------------------------------------------------------------------
 1896: # @catmarker contains list of all possible parameters including part #s
 1897: # $fullkeyp contains the full part/id # for the extraction of proper parameters
 1898: # $tempkeyp contains part 0 only (no ids - ie, subparts)
 1899: # When storing information, store as part 0
 1900: # When requesting information, request from full part
 1901: #-------------------------------------------------------------------
 1902:                 foreach (&keysplit($keyp{$rid})) {
 1903:                   my $tempkeyp = $_;
 1904:                   my $fullkeyp = $tempkeyp;
 1905:                   $tempkeyp =~ s/_\w+_/_0_/;
 1906:                   if ((grep $_ eq $fullkeyp, @catmarker) &&(!$name{$tempkeyp})) {
 1907:                     $part{$tempkeyp}="0";
 1908:                     $name{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.name');
 1909:                     $display{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.display');
 1910:                     unless ($display{$tempkeyp}) { $display{$tempkeyp}=''; }
 1911:                     $display{$tempkeyp}.=' ('.$name{$tempkeyp}.')';
 1912:                     $display{$tempkeyp} =~ s/_\w+_/_0_/;
 1913:                     $default{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp);
 1914:                     $type{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.type');
 1915:                   }
 1916:                 } # end loop through keys
 1917:             } # end loop through ids
 1918:                                  
 1919: #---------------------------------------------------- print header information
 1920: 	    my $setdef=&mt("Set Defaults for All Resources in Course");
 1921:             $r->print(<<ENDMAPONE);
 1922: <center><h4>$setdef
 1923: <font color="red"><i>$coursename</i></font><br />
 1924: ENDMAPONE
 1925:             if ($uname) {
 1926: 		my $person=&Apache::loncommon::plainname($uname,$udom);
 1927:                 $r->print(" ".&mt("User")."<font color=\"red\"> <i>$uname \($person\) </i></font> \n");
 1928:             } else {
 1929:                 $r->print("<i><font color=\"red\"> ".&mt("ALL")."</i> ".&mt("USERS")."</font> \n");
 1930:             }
 1931:             
 1932:             if ($csec) {$r->print(&mt("Section")."<font color=\"red\"> <i>$csec</i></font>\n")};
 1933:             if ($cgroup) {$r->print(&mt("Group")."<font color=\"red\"> <i>$cgroup</i></font>\n")};
 1934:             $r->print("</h4>\n");
 1935: #---------------------------------------------------------------- print table
 1936:             $r->print('<p><table border="2">');
 1937:             $r->print('<tr><th>'.&mt('Parameter Name').'</th>');
 1938:             $r->print('<th>'.&mt('Default Value').'</th>');
 1939:             $r->print('<th>'.&mt('Parameter in Effect').'</th></tr>');
 1940: 
 1941: 	    foreach (&keysinorder(\%name,\%keyorder)) {
 1942:                 $r->print('<tr>');
 1943:                 &print_row($r,$_,\%part,\%name,\%symbp,$mapid,\%default,
 1944:                        \%type,\%display,$defbgone,$defbgtwo,$defbgthree,
 1945:                                    $parmlev,$uname,$udom,$csec,$cgroup);
 1946:             }
 1947:             $r->print("</table></center>");
 1948:         } # end of $parmlev eq general
 1949:     }
 1950:     $r->print('</form>'.&Apache::loncommon::end_page());
 1951: } # end sub assessparms
 1952: 
 1953: 
 1954: ##################################################
 1955: ##################################################
 1956: 
 1957: =pod
 1958: 
 1959: =item crsenv
 1960: 
 1961: Show and set course data and parameters.  This is a large routine that should
 1962: be simplified and shortened... someday.
 1963: 
 1964: Inputs: $r
 1965: 
 1966: Returns: nothing
 1967: 
 1968: =cut
 1969: 
 1970: ##################################################
 1971: ##################################################
 1972: sub crsenv {
 1973:     my $r=shift;
 1974:     my $setoutput='';
 1975: 
 1976:     my $breadcrumbs = 
 1977: 	&Apache::lonhtmlcommon::breadcrumbs('Edit Course Environment');
 1978:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 1979:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 1980: 
 1981:     #
 1982:     # Go through list of changes
 1983:     foreach (keys %env) {
 1984:         next if ($_!~/^form\.(.+)\_setparmval$/);
 1985:         my $name  = $1;
 1986:         my $value = $env{'form.'.$name.'_value'};
 1987:         if ($name eq 'newp') {
 1988:             $name = $env{'form.newp_name'};
 1989:         }
 1990:         if ($name eq 'url') {
 1991:             $value=~s/^\/res\///;
 1992:             my $bkuptime=time;
 1993:             my @tmp = &Apache::lonnet::get
 1994:                 ('environment',['url'],$dom,$crs);
 1995:             $setoutput.=&mt('Backing up previous URL').': '.
 1996:                 &Apache::lonnet::put
 1997:                 ('environment',
 1998:                  {'top level map backup '.$bkuptime => $tmp[1] },
 1999:                  $dom,$crs).
 2000:                      '<br>';
 2001:         }
 2002:         #
 2003:         # Deal with modified default spreadsheets
 2004:         if ($name =~ /^spreadsheet_default_(classcalc|
 2005:                                             studentcalc|
 2006:                                             assesscalc)$/x) {
 2007:             my $sheettype = $1; 
 2008:             if ($sheettype eq 'classcalc') {
 2009:                 # no need to do anything since viewing the sheet will
 2010:                 # cause it to be updated. 
 2011:             } elsif ($sheettype eq 'studentcalc') {
 2012:                 # expire all the student spreadsheets
 2013:                 &Apache::lonnet::expirespread('','','studentcalc');
 2014:             } else {
 2015:                 # expire all the assessment spreadsheets 
 2016:                 #    this includes non-default spreadsheets, but better to
 2017:                 #    be safe than sorry.
 2018:                 &Apache::lonnet::expirespread('','','assesscalc');
 2019:                 # expire all the student spreadsheets
 2020:                 &Apache::lonnet::expirespread('','','studentcalc');
 2021:             }
 2022:         }
 2023:         #
 2024:         # Deal with the enrollment dates
 2025:         if ($name =~ /^default_enrollment_(start|end)_date$/) {
 2026:             $value=&Apache::lonhtmlcommon::get_date_from_form($name.'_value');
 2027:         }
 2028:         # Get existing cloners
 2029:         my @oldcloner = ();
 2030:         if ($name eq 'cloners') {
 2031:             my %clonenames=&Apache::lonnet::dump('environment',$dom,$crs,'cloners');
 2032:             if ($clonenames{'cloners'} =~ /,/) {
 2033:                 @oldcloner = split/,/,$clonenames{'cloners'};
 2034:             } else {
 2035:                 $oldcloner[0] = $clonenames{'cloners'};
 2036:             }
 2037:         }
 2038:         #
 2039:         # Let the user know we made the changes
 2040:         if ($name && defined($value)) {
 2041:             my $failed_cloners;
 2042:             if ($name eq 'cloners') {
 2043:                 $value =~ s/\s//g;
 2044:                 $value =~ s/^,//;
 2045:                 $value =~ s/,$//;
 2046:                 # check requested clones are valid users.
 2047:                 $failed_cloners = &check_cloners(\$value,\@oldcloner);
 2048:             }
 2049:             my $put_result = &Apache::lonnet::put('environment',
 2050:                                                   {$name=>$value},$dom,$crs);
 2051:             if ($put_result eq 'ok') {
 2052:                 $setoutput.=&mt('Set').' <b>'.$name.'</b> '.&mt('to').' <b>'.$value.'</b>.<br />';
 2053:                 if ($name eq 'cloners') {
 2054:                     &change_clone($value,\@oldcloner);
 2055:                 }
 2056:                 # Flush the course logs so course description is immediately updated
 2057:                 if ($name eq 'description' && defined($value)) {
 2058:                     &Apache::lonnet::flushcourselogs();
 2059:                 }
 2060:             } else {
 2061:                 $setoutput.=&mt('Unable to set').' <b>'.$name.'</b> '.&mt('to').
 2062: 		    ' <b>'.$value.'</b> '.&mt('due to').' '.$put_result.'.<br />';
 2063:             }
 2064:             if (($name eq 'cloners') && ($failed_cloners)) {
 2065:                 $setoutput.= &mt('Unable to include').' - <b>'.$failed_cloners.'</b>, '.
 2066:                  &mt('reason').' - '.&mt('LON-CAPA user(s) do(es) not exist').
 2067:                  '.<br />'.&mt('Please ').
 2068:                  ' <a href="/adm/createuser">'.
 2069:                  &mt('add the user(s)').'</a>, '.
 2070:                  &mt('and then return to the ').
 2071:                  '<a href="/admparmset?action=crsenv">'.
 2072:                  &mt('Course Parameters page').'</a> '.
 2073:                  &mt('to add the new user(s) to the list of possible cloners').
 2074:                  '.<br />';
 2075:             }
 2076:         }
 2077:     }
 2078: # ------------------------- Re-init course environment entries for this session
 2079: 
 2080:     &Apache::lonnet::coursedescription($env{'request.course.id'},
 2081: 				       {'freshen_cache' => 1});
 2082: 
 2083: # -------------------------------------------------------- Get parameters again
 2084: 
 2085:     my %values=&Apache::lonnet::dump('environment',$dom,$crs);
 2086:     my $SelectStyleFile=&mt('Select Style File');
 2087:     my $SelectSpreadsheetFile=&mt('Select Spreadsheet File');
 2088:     my $output='';
 2089:     if (! exists($values{'con_lost'})) {
 2090:         my %descriptions=
 2091: 	    ('url'            => '<b>'.&mt('Top Level Map').'</b> '.
 2092:                                  '<a href="javascript:openbrowser'.
 2093:                                  "('envform','url','sequence')\">".
 2094:                                  &mt('Select Map').'</a><br /><font color=red> '.
 2095:                                  &mt('Modification may make assessment data inaccessible').
 2096:                                  '</font>',
 2097:              'description'    => '<b>'.&mt('Course Description').'</b>',
 2098:              'courseid'       => '<b>'.&mt('Course ID or number').
 2099:                                  '</b><br />'.
 2100:                                  '('.&mt('internal').', '.&mt('optional').')',
 2101:              'cloners'        => '<b>'.&mt('Users allowed to clone course').'</b><br /><tt>(user:domain,user:domain)</tt><br />'.&mt('Users with active Course Coordinator role in the course automatically have the right to clone it, and can be omitted from list.'),
 2102:              'grading'        => '<b>'.&mt('Grading').'</b><br />'.
 2103:                                  '<tt>"standard", "external", or "spreadsheet"</tt> '.&Apache::loncommon::help_open_topic('GradingOptions'),
 2104:              'default_xml_style' => '<b>'.&mt('Default XML Style File').'</b> '.
 2105:                     '<a href="javascript:openbrowser'.
 2106:                     "('envform','default_xml_style'".
 2107:                     ",'sty')\">$SelectStyleFile</a><br>",
 2108:              'question.email' => '<b>'.&mt('Feedback Addresses for Resource Content Question').
 2109:                                  '</b><br />(<tt>user:domain,'.
 2110:                                  'user:domain(section;section;...;*;...),...</tt>)',
 2111:              'comment.email'  => '<b>'.&mt('Feedback Addresses for Course Content Comments').'</b><br />'.
 2112:                                  '(<tt>user:domain,user:domain(section;section;...;*;...),...</tt>)',
 2113:              'policy.email'   => '<b>'.&mt('Feedback Addresses for Course Policy').'</b>'.
 2114:                                  '<br />(<tt>user:domain,user:domain(section;section;...;*;...),...</tt>)',
 2115:              'hideemptyrows'  => '<b>'.&mt('Hide Empty Rows in Spreadsheets').'</b><br />'.
 2116:                                  '('.&mt('"[_1]" for default hiding','<tt>yes</tt>').')',
 2117:              'pageseparators'  => '<b>'.&mt('Visibly Separate Items on Pages').'</b><br />'.
 2118:                                  '('.&mt('"[_1]" for visible separation','<tt>yes</tt>').', '.
 2119:                                  &mt('changes will not show until next login').')',
 2120:              'student_classlist_view' => '<b>'.&mt('Allow students to view classlist.').'</b>'.&mt('("all":students can view all sections,"section":students can only view their own section.blank or "disabled" prevents student view.'),
 2121: 
 2122:              'plc.roles.denied'=> '<b>'.&mt('Disallow live chatroom use for Roles').
 2123:                                   '</b><br />"<tt>st</tt>": '.
 2124:                                   &mt('student').', "<tt>ta</tt>": '.
 2125:                                   'TA, "<tt>in</tt>": '.
 2126:                                   &mt('instructor').';<br /><tt>'.&mt('role,role,...').'</tt>) '.
 2127: 	       Apache::loncommon::help_open_topic("Course_Disable_Discussion"),
 2128:              'plc.users.denied' => 
 2129:                           '<b>'.&mt('Disallow live chatroom use for Users').'</b><br />'.
 2130:                                  '(<tt>user:domain,user:domain,...</tt>)',
 2131: 
 2132:              'pch.roles.denied'=> '<b>'.&mt('Disallow Resource Discussion for Roles').
 2133:                                   '</b><br />"<tt>st</tt>": '.
 2134:                                   'student, "<tt>ta</tt>": '.
 2135:                                   'TA, "<tt>in</tt>": '.
 2136:                                   'instructor;<br /><tt>role,role,...</tt>) '.
 2137: 	       Apache::loncommon::help_open_topic("Course_Disable_Discussion"),
 2138:              'pch.users.denied' => 
 2139:                           '<b>'.&mt('Disallow Resource Discussion for Users').'</b><br />'.
 2140:                                  '(<tt>user:domain,user:domain,...</tt>)',
 2141:              'spreadsheet_default_classcalc' 
 2142:                  => '<b>'.&mt('Default Course Spreadsheet').'</b> '.
 2143:                     '<a href="javascript:openbrowser'.
 2144:                     "('envform','spreadsheet_default_classcalc'".
 2145:                     ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
 2146:              'spreadsheet_default_studentcalc' 
 2147:                  => '<b>'.&mt('Default Student Spreadsheet').'</b> '.
 2148:                     '<a href="javascript:openbrowser'.
 2149:                     "('envform','spreadsheet_default_calc'".
 2150:                     ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
 2151:              'spreadsheet_default_assesscalc' 
 2152:                  => '<b>'.&mt('Default Assessment Spreadsheet').'</b> '.
 2153:                     '<a href="javascript:openbrowser'.
 2154:                     "('envform','spreadsheet_default_assesscalc'".
 2155:                     ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
 2156: 	     'allow_limited_html_in_feedback'
 2157: 	         => '<b>'.&mt('Allow limited HTML in discussion posts').'</b><br />'.
 2158: 	            '('.&mt('Set value to "[_1]" to allow',"<tt>yes</tt>").')',
 2159:              'allow_discussion_post_editing'
 2160:                  => '<b>'.&mt('Allow users with specified roles to edit/delete their own discussion posts').'</b><br />"<tt>st</tt>": '.
 2161:                                   &mt('student').', "<tt>ta</tt>": '.
 2162:                                   'TA, "<tt>in</tt>": '.
 2163:                                   &mt('instructor').';&nbsp;(<tt>'.&mt('role:section,role:section,..., e.g., st:001,st:002,in,cc would permit students in sections 001 and 002 and instructors in any section, and course coordinators to edit their own posts.').'</tt>)<br />'.
 2164:                     '('.&mt('or set value to "[_1]" to allow all roles',"<tt>yes</tt>").')',
 2165: 	     'rndseed'
 2166: 	         => '<b>'.&mt('Randomization algorithm used').'</b> <br />'.
 2167:                     '<font color="red">'.&mt('Modifying this will make problems').' '.
 2168:                     &mt('have different numbers and answers').'</font>',
 2169: 	     'receiptalg'
 2170: 	         => '<b>'.&mt('Receipt algorithm used').'</b> <br />'.
 2171:                     &mt('This controls how receipt numbers are generated.'),
 2172:              'suppress_tries'
 2173:                  => '<b>'.&mt('Suppress number of tries in printing').'</b><br />'.
 2174:                     ' ('.&mt('"[_1]" to suppress, anything else to not suppress','<tt>yes</tt>').')',
 2175:              'problem_stream_switch'
 2176:                  => '<b>'.&mt('Allow problems to be split over pages').'</b><br />'.
 2177:                     ' ('.&mt('"[_1]" if allowed, anything else if not','<tt>yes</tt>').')',
 2178:              'default_paper_size' 
 2179:                  => '<b>'.&mt('Default paper type').'</b><br />'.
 2180:                     ' ('.&mt('supported types').': Letter [8 1/2x11 in], Legal [8 1/2x14 in],'. 
 2181:                     ' Tabloid [11x17 in], Executive [7 1/2x10 in], A2 [420x594 mm],'. 
 2182:                     ' A3 [297x420 mm], A4 [210x297 mm], A5 [148x210 mm], A6 [105x148 mm])',
 2183:              'anonymous_quiz'
 2184:                  => '<b>'.&mt('Anonymous quiz/exam').'</b><br />'.
 2185:                     ' (<tt><b>'.&mt('yes').'</b> '.&mt('to avoid print students names').' </tt>)',
 2186:              'default_enrollment_start_date' => '<b>'.&mt('Default beginning date for student access.').'</b>',
 2187:              'default_enrollment_end_date'   => '<b>'.&mt('Default ending date for student access.').'</b>',
 2188:              'nothideprivileged'   => '<b>'.&mt('Privileged users that should not be hidden on staff listings').'</b>'.
 2189:                                  '<br />(<tt>user:domain,user:domain,...</tt>)',
 2190:              'languages' => '<b>'.&mt('Languages used').'</b>',
 2191:              'disable_receipt_display'
 2192:                  => '<b>'.&mt('Disable display of problem receipts').'</b><br />'.
 2193:                     ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
 2194: 	     'disablesigfigs'
 2195: 	         => '<b>'.&mt('Disable checking of Significant Figures').'</b><br />'.
 2196:                     ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
 2197: 	     'disableexampointprint'
 2198: 	         => '<b>'.&mt('Disable automatically printing point values onto exams.').'</b><br />'.
 2199:                     ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
 2200:              'externalsyllabus'
 2201:                  => '<b>'.&mt('URL of Syllabus (not using internal handler)').'</b>',
 2202: 	     'tthoptions'
 2203: 	         => '<b>'.&mt('Default set of options to pass to tth/m when converting tex').'</b>'
 2204:              ); 
 2205:         my @Display_Order = ('url','description','courseid','cloners','grading',
 2206:                              'externalsyllabus',
 2207:                              'default_xml_style','pageseparators',
 2208:                              'question.email','comment.email','policy.email',
 2209:                              'student_classlist_view',
 2210:                              'plc.roles.denied','plc.users.denied',
 2211:                              'pch.roles.denied','pch.users.denied',
 2212:                              'allow_limited_html_in_feedback',
 2213:                              'allow_discussion_post_editing',
 2214:                              'languages',
 2215: 			     'nothideprivileged',
 2216:                              'rndseed',
 2217:                              'receiptalg',
 2218:                              'problem_stream_switch',
 2219: 			     'suppress_tries',
 2220:                              'default_paper_size',
 2221:                              'disable_receipt_display',
 2222:                              'spreadsheet_default_classcalc',
 2223:                              'spreadsheet_default_studentcalc',
 2224:                              'spreadsheet_default_assesscalc', 
 2225:                              'hideemptyrows',
 2226:                              'default_enrollment_start_date',
 2227:                              'default_enrollment_end_date',
 2228: 			     'tthoptions',
 2229: 			     'disablesigfigs',
 2230: 			     'disableexampointprint'
 2231:                              );
 2232: 	foreach my $parameter (sort(keys(%values))) {
 2233:             unless (($parameter =~ m/^internal\./)||($parameter =~ m/^metadata\./)) {
 2234:                 if (! $descriptions{$parameter}) {
 2235:                     $descriptions{$parameter}=$parameter;
 2236:                     push(@Display_Order,$parameter);
 2237:                 }
 2238:             }
 2239: 	}
 2240:         foreach my $parameter (@Display_Order) {
 2241:             my $description = $descriptions{$parameter};
 2242:             # onchange is javascript to automatically check the 'Set' button.
 2243:             my $onchange = 'onFocus="javascript:window.document.forms'.
 2244:                 "['envform'].elements['".$parameter."_setparmval']".
 2245:                 '.checked=true;"';
 2246:             $output .= '<tr><td>'.$description.'</td>';
 2247:             if ($parameter =~ /^default_enrollment_(start|end)_date$/) {
 2248:                 $output .= '<td>'.
 2249:                     &Apache::lonhtmlcommon::date_setter('envform',
 2250:                                                         $parameter.'_value',
 2251:                                                         $values{$parameter},
 2252:                                                         $onchange).
 2253:                                                         '</td>';
 2254:             } else {
 2255:                 $output .= '<td>'.
 2256:                     &Apache::lonhtmlcommon::textbox($parameter.'_value',
 2257:                                                     $values{$parameter},
 2258:                                                     40,$onchange).'</td>';
 2259:             }
 2260:             $output .= '<td>'.
 2261:                 &Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
 2262:                 '</td>';
 2263:             $output .= "</tr>\n";
 2264: 	}
 2265:         my $onchange = 'onFocus="javascript:window.document.forms'.
 2266:             '[\'envform\'].elements[\'newp_setparmval\']'.
 2267:             '.checked=true;"';
 2268: 	$output.='<tr><td><i>'.&mt('Create New Environment Variable').'</i><br />'.
 2269: 	    '<input type="text" size=40 name="newp_name" '.
 2270:                 $onchange.' /></td><td>'.
 2271:             '<input type="text" size=40 name="newp_value" '.
 2272:                 $onchange.' /></td><td>'.
 2273: 	    '<input type="checkbox" name="newp_setparmval" /></td></tr>';
 2274:     }
 2275:     my %lt=&Apache::lonlocal::texthash(
 2276: 		    'par'   => 'Parameter',
 2277: 		    'val'   => 'Value',
 2278: 		    'set'   => 'Set',
 2279: 		    'sce'   => 'Set Course Environment'
 2280: 				       );
 2281: 
 2282:     my $Parameter=&mt('Parameter');
 2283:     my $Value=&mt('Value');
 2284:     my $Set=&mt('Set');
 2285:     my $browse_js=
 2286: 	'<script type="text/javascript" language="Javascript">'.
 2287: 	&Apache::loncommon::browser_and_searcher_javascript('parmset').
 2288: 	'</script>';
 2289:     
 2290:     my $start_page = 
 2291: 	&Apache::loncommon::start_page('Set Course Environment Parameters',
 2292: 				       $browse_js);
 2293:     my $end_page = 
 2294: 	&Apache::loncommon::end_page();
 2295:     $r->print(<<ENDENV);
 2296: $start_page
 2297: $breadcrumbs
 2298: <form method="post" action="/adm/parmset?action=crsenv" name="envform">
 2299: $setoutput
 2300: <p>
 2301: <table border=2>
 2302: <tr><th>$lt{'par'}</th><th>$lt{'val'}</th><th>$lt{'set'}?</th></tr>
 2303: $output
 2304: </table>
 2305: <input type="submit" name="crsenv" value="$lt{'sce'}">
 2306: </form>
 2307: $end_page
 2308: ENDENV
 2309: }
 2310: ##################################################
 2311: # Overview mode
 2312: ##################################################
 2313: my $tableopen;
 2314: 
 2315: sub tablestart {
 2316:     if ($tableopen) {
 2317: 	return '';
 2318:     } else {
 2319: 	$tableopen=1;
 2320: 	return &Apache::loncommon::start_data_table().'<tr><th>'.&mt('Parameter').'</th><th>'.
 2321: 	    &mt('Delete').'</th><th>'.&mt('Set to ...').'</th></tr>';
 2322:     }
 2323: }
 2324: 
 2325: sub tableend {
 2326:     if ($tableopen) {
 2327: 	$tableopen=0;
 2328: 	return &Apache::loncommon::end_data_table();
 2329:     } else {
 2330: 	return'';
 2331:     }
 2332: }
 2333: 
 2334: sub readdata {
 2335:     my ($crs,$dom)=@_;
 2336: # Read coursedata
 2337:     my $resourcedata=&Apache::lonnet::get_courseresdata($crs,$dom);
 2338: # Read userdata
 2339: 
 2340:     my $classlist=&Apache::loncoursedata::get_classlist();
 2341:     foreach (keys %$classlist) {
 2342:         # the following undefs are for 'domain', and 'username' respectively.
 2343:         if ($_=~/^(\w+)\:(\w+)$/) {
 2344: 	    my ($tuname,$tudom)=($1,$2);
 2345: 	    my $useropt=&Apache::lonnet::get_userresdata($tuname,$tudom);
 2346:             foreach my $userkey (keys %{$useropt}) {
 2347: 		if ($userkey=~/^$env{'request.course.id'}/) {
 2348:                     my $newkey=$userkey;
 2349: 		    $newkey=~s/^($env{'request.course.id'}\.)/$1\[useropt\:$tuname\:$tudom\]\./;
 2350: 		    $$resourcedata{$newkey}=$$useropt{$userkey};
 2351: 		}
 2352: 	    }
 2353: 	}
 2354:     }
 2355:     return $resourcedata;
 2356: }
 2357: 
 2358: 
 2359: # Setting
 2360: 
 2361: sub storedata {
 2362:     my ($r,$crs,$dom)=@_;
 2363: # Set userlevel immediately
 2364: # Do an intermediate store of course level
 2365:     my $olddata=&readdata($crs,$dom);
 2366:     my %newdata=();
 2367:     undef %newdata;
 2368:     my @deldata=();
 2369:     undef @deldata;
 2370:     foreach (keys %env) {
 2371: 	if ($_=~/^form\.([a-z]+)\_(.+)$/) {
 2372: 	    my $cmd=$1;
 2373: 	    my $thiskey=$2;
 2374: 	    my ($tuname,$tudom)=&extractuser($thiskey);
 2375: 	    my $tkey=$thiskey;
 2376:             if ($tuname) {
 2377: 		$tkey=~s/\.\[useropt\:$tuname\:$tudom\]\./\./;
 2378: 	    }
 2379: 	    if ($cmd eq 'set') {
 2380: 		my $data=$env{$_};
 2381:                 my $typeof=$env{'form.typeof_'.$thiskey};
 2382:  		if ($$olddata{$thiskey} ne $data) { 
 2383: 		    if ($tuname) {
 2384: 			if (&Apache::lonnet::put('resourcedata',{$tkey=>$data,
 2385: 								 $tkey.'.type' => $typeof},
 2386: 						 $tudom,$tuname) eq 'ok') {
 2387: 			    &log_parmset({$tkey=>$data,$tkey.'.type' => $typeof},0,$tuname,$tudom);
 2388: 			    $r->print('<br />'.&mt('Stored modified parameter for').' '.
 2389: 				      &Apache::loncommon::plainname($tuname,$tudom));
 2390: 			} else {
 2391: 			    $r->print('<h2><font color="red">'.
 2392: 				      &mt('Error storing parameters').'</font></h2>');
 2393: 			}
 2394: 			&Apache::lonnet::devalidateuserresdata($tuname,$tudom);
 2395: 		    } else {
 2396: 			$newdata{$thiskey}=$data;
 2397:  			$newdata{$thiskey.'.type'}=$typeof; 
 2398:                    } 
 2399: 		}
 2400: 	    } elsif ($cmd eq 'del') {
 2401: 		if ($tuname) {
 2402: 		    if (&Apache::lonnet::del('resourcedata',[$tkey],$tudom,$tuname) eq 'ok') {
 2403: 			    &log_parmset({$tkey=>''},1,$tuname,$tudom);
 2404: 			$r->print('<br />'.&mt('Deleted parameter for').' '.&Apache::loncommon::plainname($tuname,$tudom));
 2405: 		    } else {
 2406: 			$r->print('<h2><font color="red">'.
 2407: 				  &mt('Error deleting parameters').'</font></h2>');
 2408: 		    }
 2409: 		    &Apache::lonnet::devalidateuserresdata($tuname,$tudom);
 2410: 		} else {
 2411: 		    push (@deldata,$thiskey);
 2412: 		}
 2413: 	    } elsif ($cmd eq 'datepointer') {
 2414: 		my $data=&Apache::lonhtmlcommon::get_date_from_form($env{$_});
 2415:                 my $typeof=$env{'form.typeof_'.$thiskey};
 2416: 		if (defined($data) and $$olddata{$thiskey} ne $data) { 
 2417: 		    if ($tuname) {
 2418: 			if (&Apache::lonnet::put('resourcedata',{$tkey=>$data,
 2419: 								 $tkey.'.type' => $typeof},
 2420: 						 $tudom,$tuname) eq 'ok') {
 2421: 			    &log_parmset({$tkey=>$data,$tkey.'.type' => $typeof},0,$tuname,$tudom);
 2422: 			    $r->print('<br />'.&mt('Stored modified date for').' '.&Apache::loncommon::plainname($tuname,$tudom));
 2423: 			} else {
 2424: 			    $r->print('<h2><font color="red">'.
 2425: 				      &mt('Error storing parameters').'</font></h2>');
 2426: 			}
 2427: 			&Apache::lonnet::devalidateuserresdata($tuname,$tudom);
 2428: 		    } else {
 2429: 			$newdata{$thiskey}=$data;
 2430: 			$newdata{$thiskey.'.type'}=$typeof; 
 2431: 		    }
 2432: 		}
 2433: 	    }
 2434: 	}
 2435:     }
 2436: # Store all course level
 2437:     my $delentries=$#deldata+1;
 2438:     my @newdatakeys=keys %newdata;
 2439:     my $putentries=$#newdatakeys+1;
 2440:     if ($delentries) {
 2441: 	if (&Apache::lonnet::del('resourcedata',\@deldata,$dom,$crs) eq 'ok') {
 2442: 	    my %loghash=map { $_ => '' } @deldata;
 2443: 	    &log_parmset(\%loghash,1);
 2444: 	    $r->print('<h2>'.&mt('Deleted [_1] parameter(s)</h2>',$delentries));
 2445: 	} else {
 2446: 	    $r->print('<h2><font color="red">'.
 2447: 		      &mt('Error deleting parameters').'</font></h2>');
 2448: 	}
 2449: 	&Apache::lonnet::devalidatecourseresdata($crs,$dom);
 2450:     }
 2451:     if ($putentries) {
 2452: 	if (&Apache::lonnet::put('resourcedata',\%newdata,$dom,$crs) eq 'ok') {
 2453: 			    &log_parmset(\%newdata,0);
 2454: 	    $r->print('<h3>'.&mt('Stored [_1] parameter(s)',$putentries/2).'</h3>');
 2455: 	} else {
 2456: 	    $r->print('<h2><font color="red">'.
 2457: 		      &mt('Error storing parameters').'</font></h2>');
 2458: 	}
 2459: 	&Apache::lonnet::devalidatecourseresdata($crs,$dom);
 2460:     }
 2461: }
 2462: 
 2463: sub extractuser {
 2464:     my $key=shift;
 2465:     return ($key=~/^$env{'request.course.id'}.\[useropt\:(\w+)\:(\w+)\]\./);
 2466: }
 2467: 
 2468: sub listdata {
 2469:     my ($r,$resourcedata,$listdata,$sortorder)=@_;
 2470: # Start list output
 2471: 
 2472:     my $oldsection='';
 2473:     my $oldrealm='';
 2474:     my $oldpart='';
 2475:     my $pointer=0;
 2476:     $tableopen=0;
 2477:     my $foundkeys=0;
 2478:     my %keyorder=&standardkeyorder();
 2479:     foreach my $thiskey (sort {
 2480: 	if ($sortorder eq 'realmstudent') {
 2481: 	    my ($astudent,$arealm)=($a=~/^\Q$env{'request.course.id'}\E\.\[([^\.]+)\]\.(.+)\.[^\.]+$/);
 2482: 	    my ($bstudent,$brealm)=($b=~/^\Q$env{'request.course.id'}\E\.\[([^\.]+)\]\.(.+)\.[^\.]+$/);
 2483: 	    if (!defined($astudent)) {
 2484: 		($arealm)=($a=~/^\Q$env{'request.course.id'}\E\.(.+)$/);
 2485: 	    }
 2486: 	    if (!defined($bstudent)) {
 2487: 		($brealm)=($b=~/^\Q$env{'request.course.id'}\E\.(.+)$/);
 2488: 	    }
 2489: 	    $arealm=~s/\.type//;
 2490: 	    my ($ares, $aparm) = ($arealm=~/^(.*)\.(.*)$/);
 2491: 	    $aparm=$keyorder{'parameter_0_'.$aparm};
 2492: 	    $brealm=~s/\.type//;
 2493: 	    my ($bres, $bparm) = ($brealm=~/^(.*)\.(.*)$/);
 2494: 	    $bparm=$keyorder{'parameter_0_'.$bparm};	   
 2495: 	    if ($ares eq $bres) {
 2496: 		if (defined($aparm) && defined($bparm)) {
 2497: 		    ($aparm <=> $bparm);
 2498: 		} elsif (defined($aparm)) {
 2499: 		    -1;
 2500: 		} elsif (defined($bparm)) {
 2501: 		    1;
 2502: 		} else {
 2503: 		    ($arealm cmp $brealm) || ($astudent cmp $bstudent);
 2504: 		}
 2505: 	    } else {
 2506: 		($arealm cmp $brealm) || ($astudent cmp $bstudent);
 2507: 	    }
 2508: 	} else {
 2509: 	    $a cmp $b;
 2510: 	}
 2511:     } keys %{$listdata}) {
 2512: 	 
 2513: 	if ($$listdata{$thiskey.'.type'}) {
 2514:             my $thistype=$$listdata{$thiskey.'.type'};
 2515:             if ($$resourcedata{$thiskey.'.type'}) {
 2516: 		$thistype=$$resourcedata{$thiskey.'.type'};
 2517: 	    }
 2518: 	    my ($middle,$part,$name)=
 2519: 		($thiskey=~/^$env{'request.course.id'}\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
 2520: 	    my $section=&mt('All Students');
 2521: 	    if ($middle=~/^\[(.*)\]/) {
 2522: 		my $issection=$1;
 2523: 		if ($issection=~/^useropt\:(\w+)\:(\w+)/) {
 2524: 		    $section=&mt('User').": ".&Apache::loncommon::plainname($1,$2);
 2525: 		} else {
 2526: 		    $section=&mt('Group/Section').': '.$issection;
 2527: 		}
 2528: 		$middle=~s/^\[(.*)\]//;
 2529: 	    }
 2530: 	    $middle=~s/\.+$//;
 2531: 	    $middle=~s/^\.+//;
 2532: 	    my $realm='<font color="red">'.&mt('All Resources').'</font>';
 2533: 	    if ($middle=~/^(.+)\_\_\_\(all\)$/) {
 2534: 		$realm='<font color="green">'.&mt('Folder/Map').': '.&Apache::lonnet::gettitle($1).' <br /><font color="#aaaaaa" size="-2">('.$1.')</font></font>';
 2535: 	    } elsif ($middle) {
 2536: 		my ($map,$id,$url)=&Apache::lonnet::decode_symb($middle);
 2537: 		$realm='<font color="orange">'.&mt('Resource').': '.&Apache::lonnet::gettitle($middle).' <br /><font color="#aaaaaa" size="-2">('.$url.' in '.$map.' id: '.$id.')</font></font>';
 2538: 	    }
 2539: 	    if ($sortorder eq 'realmstudent') {
 2540: 		if ($realm ne $oldrealm) {
 2541: 		    $r->print(&tableend()."\n<hr /><h1>$realm</h1>");
 2542: 		    $oldrealm=$realm;
 2543: 		    $oldsection='';
 2544: 		}
 2545: 		if ($section ne $oldsection) {
 2546: 		    $r->print(&tableend()."\n<h2>$section</h2>");
 2547: 		    $oldsection=$section;
 2548: 		    $oldpart='';
 2549: 		}
 2550: 	    } else {
 2551: 		if ($section ne $oldsection) {
 2552: 		    $r->print(&tableend()."\n<hr /><h1>$section</h1>");
 2553: 		    $oldsection=$section;
 2554: 		    $oldrealm='';
 2555: 		}
 2556: 		if ($realm ne $oldrealm) {
 2557: 		    $r->print(&tableend()."\n<h2>$realm</h2>");
 2558: 		    $oldrealm=$realm;
 2559: 		    $oldpart='';
 2560: 		}
 2561: 	    }
 2562: 	    if ($part ne $oldpart) {
 2563: 		$r->print(&tableend().
 2564: 			  "\n<font color='blue'>".&mt('Part').": $part</font>");
 2565: 		$oldpart=$part;
 2566: 	    }
 2567: #
 2568: # Preset defaults?
 2569: #
 2570:             my ($hour,$min,$sec,$val)=('','','','');
 2571: 	    unless ($$resourcedata{$thiskey}) {
 2572: 		my ($parmname)=($thiskey=~/\.(\w+)$/);
 2573: 		($hour,$min,$sec,$val)=&preset_defaults($parmname);
 2574: 	    }
 2575: 
 2576: #
 2577: # Ready to print
 2578: #
 2579: 	    $r->print(&tablestart().
 2580: 		      &Apache::loncommon::start_data_table_row().
 2581: 		      '<td><b>'.&standard_parameter_names($name).
 2582: 		      '</b></td><td><input type="checkbox" name="del_'.
 2583: 		      $thiskey.'" /></td><td>');
 2584: 	    $foundkeys++;
 2585: 	    if (&isdateparm($thistype)) {
 2586: 		my $jskey='key_'.$pointer;
 2587: 		$pointer++;
 2588: 		$r->print(
 2589: 			  &Apache::lonhtmlcommon::date_setter('parmform',
 2590: 							      $jskey,
 2591: 						      $$resourcedata{$thiskey},
 2592: 							      '',1,'','',$hour,$min,$sec).
 2593: '<input type="hidden" name="datepointer_'.$thiskey.'" value="'.$jskey.'" />'.
 2594: &date_sanity_info($$resourcedata{$thiskey})
 2595: 			  );
 2596: 	    } elsif ($thistype eq 'string_yesno') {
 2597: 		my $showval;
 2598: 		if (defined($$resourcedata{$thiskey})) {
 2599: 		    $showval=$$resourcedata{$thiskey};
 2600: 		} else {
 2601: 		    $showval=$val;
 2602: 		}
 2603: 		$r->print('<label><input type="radio" name="set_'.$thiskey.
 2604: 			  '" value="yes"');
 2605: 		if ($showval eq 'yes') {
 2606: 		    $r->print(' checked="checked"');
 2607: 		}
 2608:                 $r->print(' />'.&mt('Yes').'</label> ');
 2609: 		$r->print('<label><input type="radio" name="set_'.$thiskey.
 2610: 			  '" value="no"');
 2611: 		if ($showval eq 'no') {
 2612: 		    $r->print(' checked="checked"');
 2613: 		}
 2614:                 $r->print(' />'.&mt('No').'</label>');
 2615: 	    } else {
 2616: 		my $showval;
 2617: 		if (defined($$resourcedata{$thiskey})) {
 2618: 		    $showval=$$resourcedata{$thiskey};
 2619: 		} else {
 2620: 		    $showval=$val;
 2621: 		}
 2622: 		$r->print('<input type="text" name="set_'.$thiskey.'" value="'.
 2623: 			  $showval.'">');
 2624: 	    }
 2625: 	    $r->print('<input type="hidden" name="typeof_'.$thiskey.'" value="'.
 2626: 		      $thistype.'">');
 2627: 	    $r->print('</td>'.&Apache::loncommon::end_data_table_row());
 2628: 	}
 2629:     }
 2630:     return $foundkeys;
 2631: }
 2632: 
 2633: sub newoverview {
 2634:     my ($r) = @_;
 2635: 
 2636:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2637:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 2638:     my $start_page = &Apache::loncommon::start_page('Set Parameters');
 2639:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Overview');
 2640:     $r->print(<<ENDOVER);
 2641: $start_page
 2642: $breadcrumbs
 2643: <form method="post" action="/adm/parmset?action=newoverview" name="parmform">
 2644: ENDOVER
 2645:     my @ids=();
 2646:     my %typep=();
 2647:     my %keyp=();
 2648:     my %allparms=();
 2649:     my %allparts=();
 2650:     my %allmaps=();
 2651:     my %mapp=();
 2652:     my %symbp=();
 2653:     my %maptitles=();
 2654:     my %uris=();
 2655:     my %keyorder=&standardkeyorder();
 2656:     my %defkeytype=();
 2657: 
 2658:     my %alllevs=();
 2659:     $alllevs{'Resource Level'}='full';
 2660:     $alllevs{'Map/Folder Level'}='map';
 2661:     $alllevs{'Course Level'}='general';
 2662: 
 2663:     my $csec=$env{'form.csec'};
 2664:     my $cgroup=$env{'form.cgroup'};
 2665: 
 2666:     my @pscat=&Apache::loncommon::get_env_multiple('form.pscat');
 2667:     my $pschp=$env{'form.pschp'};
 2668:     my @psprt=&Apache::loncommon::get_env_multiple('form.psprt');
 2669:     if (!@psprt) { $psprt[0]='0'; }
 2670: 
 2671:     my @selected_sections = 
 2672: 	&Apache::loncommon::get_env_multiple('form.Section');
 2673:     @selected_sections = ('all') if (! @selected_sections);
 2674:     foreach (@selected_sections) {
 2675:         if ($_ eq 'all') {
 2676:             @selected_sections = ('all');
 2677:         }
 2678:     }
 2679:     my @selected_groups =
 2680:         &Apache::loncommon::get_env_multiple('form.Group');
 2681: 
 2682:     my $pssymb='';
 2683:     my $parmlev='';
 2684:  
 2685:     unless ($env{'form.parmlev'}) {
 2686:         $parmlev = 'map';
 2687:     } else {
 2688:         $parmlev = $env{'form.parmlev'};
 2689:     }
 2690: 
 2691:     &extractResourceInformation(\@ids, \%typep,\%keyp, \%allparms, \%allparts, \%allmaps, 
 2692: 				\%mapp, \%symbp,\%maptitles,\%uris,
 2693: 				\%keyorder,\%defkeytype);
 2694: 
 2695: # Menu to select levels, etc
 2696: 
 2697:     $r->print('<table border="1"><tr><td>');
 2698:     &levelmenu($r,\%alllevs,$parmlev);
 2699:     if ($parmlev ne 'general') {
 2700: 	$r->print('<td>');
 2701: 	&mapmenu($r,\%allmaps,$pschp,\%maptitles);
 2702: 	$r->print('</td>');
 2703:     }
 2704:     $r->print('</td></tr></table>');
 2705: 
 2706:     $r->print('<table border="1"><tr><td>');  
 2707:     &parmmenu($r,\%allparms,\@pscat,\%keyorder);
 2708:     $r->print('</td><td><table border="0" cellspacing="0" cellpadding="0">'.
 2709:               '<tr><td>'.&mt('Parts').'</td><td></td><td>'.&mt('Section(s)').
 2710:               '</td><td></td><td>'.&mt('Group(s)').'</td></tr><tr><td>');
 2711:     &partmenu($r,\%allparts,\@psprt);
 2712:     $r->print('</td><td>&nbsp;</td><td>');
 2713:     &sectionmenu($r,\@selected_sections);
 2714:     $r->print('</td><td>&nbsp;</td><td>');
 2715:     &groupmenu($r,\@selected_groups);
 2716:     $r->print('</td></tr></table>');
 2717:     $r->print('</td></tr></table>');
 2718:  
 2719:     my $sortorder=$env{'form.sortorder'};
 2720:     unless ($sortorder) { $sortorder='realmstudent'; }
 2721:     &sortmenu($r,$sortorder);
 2722: 
 2723:     $r->print('<p><input type="submit" name="dis" value="'.&mt('Display').'" /></p>');
 2724: 
 2725: # Build the list data hash from the specified parms
 2726: 
 2727:     my $listdata;
 2728:     %{$listdata}=();
 2729: 
 2730:     foreach my $cat (@pscat) {
 2731:         &secgroup_lister($cat,$pschp,$parmlev,$listdata,\@psprt,\@selected_sections,\%defkeytype,\%allmaps,\@ids,\%symbp);
 2732:         &secgroup_lister($cat,$pschp,$parmlev,$listdata,\@psprt,\@selected_groups,\%defkeytype,\%allmaps,\@ids,\%symbp);
 2733:     }
 2734: 
 2735:     if (($env{'form.store'}) || ($env{'form.dis'})) {
 2736: 
 2737: 	if ($env{'form.store'}) { &storedata($r,$crs,$dom); }
 2738: 
 2739: # Read modified data
 2740: 
 2741: 	my $resourcedata=&readdata($crs,$dom);
 2742: 
 2743: # List data
 2744: 
 2745: 	&listdata($r,$resourcedata,$listdata,$sortorder);
 2746:     }
 2747:     $r->print(&tableend().
 2748: 	     ((($env{'form.store'}) || ($env{'form.dis'}))?'<p><input type="submit" name="store" value="'.&mt('Store').'" /></p>':'').
 2749: 	      '</form>'.&Apache::loncommon::end_page());
 2750: }
 2751: 
 2752: sub secgroup_lister {
 2753:     my ($cat,$pschp,$parmlev,$listdata,$psprt,$selections,$defkeytype,$allmaps,$ids,$symbp) = @_;
 2754:     foreach my $item (@{$selections}) {
 2755:         foreach my $part (@{$psprt}) {
 2756:             my $rootparmkey=$env{'request.course.id'};
 2757:             if (($item ne 'all') && ($item ne 'none') && ($item)) {
 2758:                 $rootparmkey.='.['.$item.']';
 2759:             }
 2760:             if ($parmlev eq 'general') {
 2761: # course-level parameter
 2762:                 my $newparmkey=$rootparmkey.'.'.$part.'.'.$cat;
 2763:                 $$listdata{$newparmkey}=1;
 2764:                 $$listdata{$newparmkey.'.type'}=$$defkeytype{$cat};
 2765:             } elsif ($parmlev eq 'map') {
 2766: # map-level parameter
 2767:                 foreach my $mapid (keys %{$allmaps}) {
 2768:                     if (($pschp ne 'all') && ($pschp ne $mapid)) { next; }
 2769:                     my $newparmkey=$rootparmkey.'.'.$$allmaps{$mapid}.'___(all).'.$part.'.'.$cat;
 2770:                     $$listdata{$newparmkey}=1;
 2771:                     $$listdata{$newparmkey.'.type'}=$$defkeytype{$cat};
 2772:                 }
 2773:             } else {
 2774: # resource-level parameter
 2775:                 foreach my $rid (@{$ids}) {
 2776:                     my ($map,$resid,$url)=&Apache::lonnet::decode_symb($$symbp{$rid});
 2777:                     if (($pschp ne 'all') && ($$allmaps{$pschp} ne $map)) { next; }
 2778:                     my $newparmkey=$rootparmkey.'.'.$$symbp{$rid}.'.'.$part.'.'.$cat;
 2779:                     $$listdata{$newparmkey}=1;
 2780:                     $$listdata{$newparmkey.'.type'}=$$defkeytype{$cat};
 2781:                 }
 2782:             }
 2783:         }
 2784:     }
 2785: }
 2786: 
 2787: sub overview {
 2788:     my ($r) = @_;
 2789:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2790:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 2791: 
 2792:     my $start_page=&Apache::loncommon::start_page('Modify Parameters');
 2793:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Overview');
 2794:     $r->print(<<ENDOVER);
 2795: $start_page
 2796: $breadcrumbs
 2797: <form method="post" action="/adm/parmset?action=setoverview" name="parmform">
 2798: ENDOVER
 2799: # Store modified
 2800: 
 2801:     &storedata($r,$crs,$dom);
 2802: 
 2803: # Read modified data
 2804: 
 2805:     my $resourcedata=&readdata($crs,$dom);
 2806: 
 2807: 
 2808:     my $sortorder=$env{'form.sortorder'};
 2809:     unless ($sortorder) { $sortorder='realmstudent'; }
 2810:     &sortmenu($r,$sortorder);
 2811: 
 2812: # List data
 2813: 
 2814:     my $foundkeys=&listdata($r,$resourcedata,$resourcedata,$sortorder);
 2815: 
 2816:     $r->print(&tableend().'<p>'.
 2817: 	($foundkeys?'<input type="submit" value="'.&mt('Modify Parameters').'" />':&mt('There are no parameters.')).'</p></form>'.
 2818: 	      &Apache::loncommon::end_page());
 2819: }
 2820: 
 2821: ##################################################
 2822: ##################################################
 2823:                                                                                             
 2824: =pod
 2825: 
 2826: =item check_cloners
 2827: 
 2828: Checks if new users included in list of allowed cloners
 2829: are valid users.  Replaces supplied list with 
 2830: cleaned list containing only users with valid usernames
 2831: and domains.
 2832: 
 2833: Inputs: $clonelist, $oldcloner 
 2834: where $clonelist is ref to array of requested cloners,
 2835: and $oldcloner is ref to array of currently allowed
 2836: cloners.
 2837: 
 2838: Returns: string - comma separated list of requested
 2839: cloners (username:domain) who do not exist in system.
 2840: 
 2841: =item change_clone
 2842: 
 2843: Modifies the list of courses a user can clone (stored
 2844: in the user's environment.db file), called when a
 2845: change is made to the list of users allowed to clone
 2846: a course.
 2847: 
 2848: Inputs: $action,$cloner
 2849: where $action is add or drop, and $cloner is identity of 
 2850: user for whom cloning ability is to be changed in course. 
 2851: 
 2852: =cut
 2853:                                                                                             
 2854: ##################################################
 2855: ##################################################
 2856: 
 2857: sub extract_cloners {
 2858:     my ($clonelist,$allowclone) = @_;
 2859:     if ($clonelist =~ /,/) {
 2860:         @{$allowclone} = split/,/,$clonelist;
 2861:     } else {
 2862:         $$allowclone[0] = $clonelist;
 2863:     }
 2864: }
 2865: 
 2866: 
 2867: sub check_cloners {
 2868:     my ($clonelist,$oldcloner) = @_;
 2869:     my ($clean_clonelist,$disallowed);
 2870:     my @allowclone = ();
 2871:     &extract_cloners($$clonelist,\@allowclone);
 2872:     foreach my $currclone (@allowclone) {
 2873:         if (!grep/^$currclone$/,@$oldcloner) {
 2874:             my ($uname,$udom) = split/:/,$currclone;
 2875:             if ($uname && $udom) {
 2876:                 if (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
 2877:                     $disallowed .= $currclone.',';   
 2878:                 } else {
 2879:                     $clean_clonelist .= $currclone.',';
 2880:                 }
 2881:             }
 2882:         } else {
 2883:             $clean_clonelist .= $currclone.',';
 2884:         }
 2885:     }
 2886:     if ($disallowed) {
 2887:         $disallowed =~ s/,$//;
 2888:     }
 2889:     if ($clean_clonelist) {
 2890:         $clean_clonelist =~ s/,$//;
 2891:     }
 2892:     $$clonelist = $clean_clonelist;
 2893:     return $disallowed;
 2894: }  
 2895: 
 2896: sub change_clone {
 2897:     my ($clonelist,$oldcloner) = @_;
 2898:     my ($uname,$udom);
 2899:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 2900:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2901:     my $clone_crs = $cnum.':'.$cdom;
 2902:     
 2903:     if ($cnum && $cdom) {
 2904:         my @allowclone;
 2905:         &extract_cloners($clonelist,\@allowclone);
 2906:         foreach my $currclone (@allowclone) {
 2907:             if (!grep/^$currclone$/,@$oldcloner) {
 2908:                 ($uname,$udom) = split/:/,$currclone;
 2909:                 if ($uname && $udom) {
 2910:                     unless (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
 2911:                         my %currclonecrs = &Apache::lonnet::dump('environment',$udom,$uname,'cloneable');
 2912:                         if ($currclonecrs{'cloneable'} !~ /\Q$clone_crs\E/) {
 2913:                             if ($currclonecrs{'cloneable'} eq '') {
 2914:                                 $currclonecrs{'cloneable'} = $clone_crs;
 2915:                             } else {
 2916:                                 $currclonecrs{'cloneable'} .= ','.$clone_crs;
 2917:                             }
 2918:                             &Apache::lonnet::put('environment',\%currclonecrs,$udom,$uname);
 2919:                         }
 2920:                     }
 2921:                 }
 2922:             }
 2923:         }
 2924:         foreach my $oldclone (@$oldcloner) {
 2925:             if (!grep/^$oldclone$/,@allowclone) {
 2926:                 ($uname,$udom) = split/:/,$oldclone;
 2927:                 if ($uname && $udom) {
 2928:                     unless (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
 2929:                         my %currclonecrs = &Apache::lonnet::dump('environment',$udom,$uname,'cloneable');
 2930:                         my %newclonecrs = ();
 2931:                         if ($currclonecrs{'cloneable'} =~ /\Q$clone_crs\E/) {
 2932:                             if ($currclonecrs{'cloneable'} =~ /,/) {
 2933:                                 my @currclonecrs = split/,/,$currclonecrs{'cloneable'};
 2934:                                 foreach (@currclonecrs) {
 2935:                                     unless ($_ eq $clone_crs) {
 2936:                                         $newclonecrs{'cloneable'} .= $_.',';
 2937:                                     }
 2938:                                 }
 2939:                                 $newclonecrs{'cloneable'} =~ s/,$//;
 2940:                             } else {
 2941:                                 $newclonecrs{'cloneable'} = '';
 2942:                             }
 2943:                             &Apache::lonnet::put('environment',\%newclonecrs,$udom,$uname);
 2944:                         }
 2945:                     }
 2946:                 }
 2947:             }
 2948:         }
 2949:     }
 2950: }
 2951: 
 2952: 
 2953: ##################################################
 2954: ##################################################
 2955: 
 2956: =pod
 2957: 
 2958: =item * header
 2959: 
 2960: Output html header for page
 2961: 
 2962: =cut
 2963: 
 2964: ##################################################
 2965: ##################################################
 2966: sub header {
 2967:     return &Apache::loncommon::start_page('Parameter Manager');
 2968: }
 2969: ##################################################
 2970: ##################################################
 2971: sub print_main_menu {
 2972:     my ($r,$parm_permission)=@_;
 2973:     #
 2974:     $r->print(<<ENDMAINFORMHEAD);
 2975: <form method="post" enctype="multipart/form-data"
 2976:       action="/adm/parmset" name="studentform">
 2977: ENDMAINFORMHEAD
 2978: #
 2979:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 2980:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2981:     my $vgr  = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
 2982: 
 2983:     my @menu =
 2984:         (
 2985:           { text => 'Set Course Environment Parameters',
 2986: 	    action => 'crsenv',
 2987:             permission => $parm_permission,
 2988:             },
 2989:           { text => 'Set Portfolio Metadata',
 2990: 	    action => 'setrestrictmeta',
 2991:             permission => $parm_permission,
 2992:             },
 2993: 	  { text => 'Manage Course Slots',
 2994: 	    url => '/adm/slotrequest?command=showslots',
 2995: 	    permission => $vgr,
 2996:             },
 2997: 	  { divider => 1,
 2998: 	    },
 2999:           { text => 'Set/Modify Resource Parameters - Helper Mode',
 3000:             url => '/adm/helper/parameter.helper',
 3001:             permission => $parm_permission,
 3002:             },
 3003:           { text => 'Modify Resource Parameters - Overview Mode',
 3004:             action => 'setoverview',
 3005:             permission => $parm_permission,
 3006:             },          
 3007: 	  { text => 'Set Resource Parameters - Overview Mode',
 3008:             action => 'newoverview',
 3009:             permission => $parm_permission,
 3010:             },
 3011:           { text => 'Set/Modify Resource Parameters - Table Mode',
 3012:             action => 'settable',
 3013:             permission => $parm_permission,
 3014:             help => 'Cascading_Parameters',
 3015:             },
 3016:           { text => 'Set Parameter Setting Default Actions',
 3017:             action => 'setdefaults',
 3018:             permission => $parm_permission,
 3019:             },          
 3020: 	  { text => 'Parameter Change Log and Course Blog Posting/User Notification',
 3021:             action => 'parameterchangelog',
 3022:             permission => $parm_permission,
 3023:             },
 3024:           );
 3025:     my $menu_html = '';
 3026:     foreach my $menu_item (@menu) {
 3027: 	if ($menu_item->{'divider'}) {
 3028: 	    $menu_html .= '<hr />';
 3029: 	    next;
 3030: 	}
 3031:         next if (! $menu_item->{'permission'});
 3032:         $menu_html.='<p>';
 3033:         $menu_html.='<font size="+1">';
 3034:         if (exists($menu_item->{'url'})) {
 3035:             $menu_html.=qq{<a href="$menu_item->{'url'}">};
 3036:         } else {
 3037:             $menu_html.=
 3038:                 qq{<a href="/adm/parmset?action=$menu_item->{'action'}">};
 3039:         }
 3040:         $menu_html.= &mt($menu_item->{'text'}).'</a></font>';
 3041:         if (exists($menu_item->{'help'})) {
 3042:             $menu_html.=
 3043:                 &Apache::loncommon::help_open_topic($menu_item->{'help'});
 3044:         }
 3045:         $menu_html.='</p>'.$/;
 3046:     }
 3047:     $r->print($menu_html);
 3048:     return;
 3049: }
 3050: ### Set portfolio metadata
 3051: sub output_row {
 3052:     my ($r, $field_name, $field_text) = @_;
 3053:     my $output;
 3054:     my $options=$env{'course.'.$env{'request.course.id'}.'.metadata.'.$field_name.'.options'};
 3055:     my $values=$env{'course.'.$env{'request.course.id'}.'.metadata.'.$field_name.'.values'};
 3056:     unless (defined($options)) {
 3057:         $options = 'active,stuadd';
 3058:         $values = '';
 3059:     }
 3060:     $output.='<strong>'.$field_text.':</strong>';
 3061:     $output.='<input name="'.$field_name.'_values" type="text" value="'.$values.'" size="80" /><br />';
 3062: 
 3063:     my @options= ( ['active', 'Show to student'],
 3064: 		   ['onlyone','Student may select only one choice'],
 3065: 		   ['stuadd', 'Student may type choices']);
 3066:     foreach my $opt (@options) {
 3067: 	my $checked = ($options =~ m/$opt->[0]/) ? ' checked="checked" ' : '' ;
 3068: 	$output.=('&nbsp;'x5).'<label><input type="checkbox" name="'.
 3069: 	    $field_name.'_'.$opt->[0].'" value="yes"'.$checked.' />'.
 3070: 	    &mt($opt->[1]).'</label> <br />';
 3071:     }
 3072:     return ($output);
 3073: }
 3074: 
 3075: sub setrestrictmeta {
 3076:     my ($r)=@_;
 3077:     my $next_meta;
 3078:     my $output;
 3079:     my $item_num;
 3080:     my $put_result;
 3081:     
 3082:     $r->print(&Apache::loncommon::start_page('Restrict Metadata'));
 3083:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Restrict Metadata'));
 3084:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3085:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 3086:     my $key_base = $env{'course.'.$env{'request.course.id'}.'.'};
 3087:     my $save_field = '';
 3088:     if ($env{'form.restrictmeta'}) {
 3089:         foreach my $field (sort(keys(%env))) {
 3090:             if ($field=~m/^form.(.+)_(.+)$/) {
 3091:                 my $options;
 3092:                 my $meta_field = $1;
 3093:                 my $meta_key = $2;
 3094:                 if ($save_field ne $meta_field) {
 3095:                     $save_field = $meta_field;
 3096:             	    if ($env{'form.'.$meta_field.'_stuadd'}) {
 3097:             	        $options.='stuadd,';
 3098:             	    } 
 3099:             	    if ($env{'form.'.$meta_field.'_onlyone'}) {
 3100:             	        $options.='onlyone,';
 3101:             	    } 
 3102:             	    if ($env{'form.'.$meta_field.'_active'}) {
 3103:             	        $options.='active,';
 3104:             	    }
 3105:                     my $name = $save_field;
 3106:                      $put_result = &Apache::lonnet::put('environment',
 3107:                                                   {'metadata.'.$meta_field.'.options'=>$options,
 3108:                                                    'metadata.'.$meta_field.'.values'=>$env{'form.'.$meta_field.'_values'},
 3109:                                                    },$dom,$crs);
 3110:                 }
 3111:             }
 3112:         }
 3113:     }
 3114:     &Apache::lonnet::coursedescription($env{'request.course.id'},
 3115: 				       {'freshen_cache' => 1});
 3116:     my %metadata_fields = &Apache::lonmeta::fieldnames('portfolio');
 3117:     foreach my $field (sort(keys(%metadata_fields))) {
 3118:         &Apache::lonnet::logthis ($field);
 3119:         if ($field ne 'courserestricted') {
 3120: 	    $output.= &output_row($r, $field, $metadata_fields{$field});
 3121: 	}
 3122:     }
 3123:     $r->print(<<ENDenv);       
 3124:         <form method="post" action="/adm/parmset?action=setrestrictmeta" name="form">
 3125:         <p>
 3126:         $output
 3127:         <input type="submit" name="restrictmeta" value="Update Metadata Restrictions">
 3128:         </form>
 3129: ENDenv
 3130:     $r->print(&Apache::loncommon::end_page());
 3131:     return 'ok';
 3132: }
 3133: ##################################################
 3134: 
 3135: sub defaultsetter {
 3136:     my ($r) = @_;
 3137: 
 3138:     my $start_page = 
 3139: 	&Apache::loncommon::start_page('Parameter Setting Default Actions');
 3140:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Defaults');
 3141:     $r->print(<<ENDDEFHEAD);
 3142: $start_page
 3143: $breadcrumbs
 3144: <form method="post" action="/adm/parmset?action=setdefaults" name="defaultform">
 3145: ENDDEFHEAD
 3146: 
 3147:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3148:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 3149:     my @ids=();
 3150:     my %typep=();
 3151:     my %keyp=();
 3152:     my %allparms=();
 3153:     my %allparts=();
 3154:     my %allmaps=();
 3155:     my %mapp=();
 3156:     my %symbp=();
 3157:     my %maptitles=();
 3158:     my %uris=();
 3159:     my %keyorder=&standardkeyorder();
 3160:     my %defkeytype=();
 3161: 
 3162:     &extractResourceInformation(\@ids, \%typep,\%keyp, \%allparms, \%allparts, \%allmaps, 
 3163: 				\%mapp, \%symbp,\%maptitles,\%uris,
 3164: 				\%keyorder,\%defkeytype);
 3165:     if ($env{'form.storerules'}) {
 3166: 	my %newrules=();
 3167: 	my @delrules=();
 3168: 	my %triggers=();
 3169: 	foreach my $key (keys(%env)) {
 3170:             if ($key=~/^form\.(\w+)\_action$/) {
 3171: 		my $tempkey=$1;
 3172: 		my $action=$env{$key};
 3173:                 if ($action) {
 3174: 		    $newrules{$tempkey.'_action'}=$action;
 3175: 		    if ($action ne 'default') {
 3176: 			my ($whichaction,$whichparm)=($action=~/^(.*\_)([^\_]+)$/);
 3177: 			$triggers{$whichparm}.=$tempkey.':';
 3178: 		    }
 3179: 		    $newrules{$tempkey.'_type'}=$defkeytype{$tempkey};
 3180: 		    if (&isdateparm($defkeytype{$tempkey})) {
 3181: 			$newrules{$tempkey.'_days'}=$env{'form.'.$tempkey.'_days'};
 3182: 			$newrules{$tempkey.'_hours'}=$env{'form.'.$tempkey.'_hours'};
 3183: 			$newrules{$tempkey.'_min'}=$env{'form.'.$tempkey.'_min'};
 3184: 			$newrules{$tempkey.'_sec'}=$env{'form.'.$tempkey.'_sec'};
 3185: 		    } else {
 3186: 			$newrules{$tempkey.'_value'}=$env{'form.'.$tempkey.'_value'};
 3187: 			$newrules{$tempkey.'_triggervalue'}=$env{'form.'.$tempkey.'_triggervalue'};
 3188: 		    }
 3189: 		} else {
 3190: 		    push(@delrules,$tempkey.'_action');
 3191: 		    push(@delrules,$tempkey.'_type');
 3192: 		    push(@delrules,$tempkey.'_hours');
 3193: 		    push(@delrules,$tempkey.'_min');
 3194: 		    push(@delrules,$tempkey.'_sec');
 3195: 		    push(@delrules,$tempkey.'_value');
 3196: 		}
 3197: 	    }
 3198: 	}
 3199: 	foreach my $key (keys %allparms) {
 3200: 	    $newrules{$key.'_triggers'}=$triggers{$key};
 3201: 	}
 3202: 	&Apache::lonnet::put('parmdefactions',\%newrules,$dom,$crs);
 3203: 	&Apache::lonnet::del('parmdefactions',\@delrules,$dom,$crs);
 3204: 	&resetrulescache();
 3205:     }
 3206:     my %lt=&Apache::lonlocal::texthash('days' => 'Days',
 3207: 				       'hours' => 'Hours',
 3208: 				       'min' => 'Minutes',
 3209: 				       'sec' => 'Seconds',
 3210: 				       'yes' => 'Yes',
 3211: 				       'no' => 'No');
 3212:     my @standardoptions=('','default');
 3213:     my @standarddisplay=('',&mt('Default value when manually setting'));
 3214:     my @dateoptions=('','default');
 3215:     my @datedisplay=('',&mt('Default value when manually setting'));
 3216:     foreach my $tempkey (&keysindisplayorder(\%allparms,\%keyorder)) {
 3217: 	unless ($tempkey) { next; }
 3218: 	push @standardoptions,'when_setting_'.$tempkey;
 3219: 	push @standarddisplay,&mt('Automatically set when setting ').$tempkey;
 3220: 	if (&isdateparm($defkeytype{$tempkey})) {
 3221: 	    push @dateoptions,'later_than_'.$tempkey;
 3222: 	    push @datedisplay,&mt('Automatically set later than ').$tempkey;
 3223: 	    push @dateoptions,'earlier_than_'.$tempkey;
 3224: 	    push @datedisplay,&mt('Automatically set earlier than ').$tempkey;
 3225: 	} 
 3226:     }
 3227: $r->print(&mt('Manual setting rules apply to all interfaces.').'<br />'.
 3228: 	  &mt('Automatic setting rules apply to table mode interfaces only.'));
 3229:     $r->print("\n<table border='1'><tr><th>".&mt('Rule for parameter').'</th><th>'.
 3230: 	      &mt('Action').'</th><th>'.&mt('Value').'</th></tr>');
 3231:     foreach my $tempkey (&keysindisplayorder(\%allparms,\%keyorder)) {
 3232: 	unless ($tempkey) { next; }
 3233: 	$r->print("\n<tr><td>".$allparms{$tempkey}."\n<br />(".$tempkey.')</td><td>');
 3234: 	my $action=&rulescache($tempkey.'_action');
 3235: 	$r->print('<select name="'.$tempkey.'_action">');
 3236: 	if (&isdateparm($defkeytype{$tempkey})) {
 3237: 	    for (my $i=0;$i<=$#dateoptions;$i++) {
 3238: 		if ($dateoptions[$i]=~/\_$tempkey$/) { next; }
 3239: 		$r->print("\n<option value='$dateoptions[$i]'".
 3240: 			  ($dateoptions[$i] eq $action?' selected="selected"':'').
 3241: 			  ">$datedisplay[$i]</option>");
 3242: 	    }
 3243: 	} else {
 3244: 	    for (my $i=0;$i<=$#standardoptions;$i++) {
 3245: 		if ($standardoptions[$i]=~/\_$tempkey$/) { next; }
 3246: 		$r->print("\n<option value='$standardoptions[$i]'".
 3247: 			  ($standardoptions[$i] eq $action?' selected="selected"':'').
 3248: 			  ">$standarddisplay[$i]</option>");
 3249: 	    }
 3250: 	}
 3251: 	$r->print('</select>');
 3252: 	unless (&isdateparm($defkeytype{$tempkey})) {
 3253: 	    $r->print("\n<br />".&mt('Triggering value(s) of other parameter (optional, comma-separated):').
 3254: 		      '<input type="text" size="20" name="'.$tempkey.'_triggervalue" value="'.&rulescache($tempkey.'_triggervalue').'" />');
 3255: 	}
 3256: 	$r->print("\n</td><td>\n");
 3257: 
 3258:         if (&isdateparm($defkeytype{$tempkey})) {
 3259: 	    my $days=&rulescache($tempkey.'_days');
 3260: 	    my $hours=&rulescache($tempkey.'_hours');
 3261: 	    my $min=&rulescache($tempkey.'_min');
 3262: 	    my $sec=&rulescache($tempkey.'_sec');
 3263: 	    $r->print(<<ENDINPUTDATE);
 3264: <input name="$tempkey\_days" type="text" size="4" value="$days" />$lt{'days'}<br />
 3265: <input name="$tempkey\_hours" type="text" size="4" value="$hours" />$lt{'hours'}<br />
 3266: <input name="$tempkey\_min" type="text" size="4" value="$min" />$lt{'min'}<br />
 3267: <input name="$tempkey\_sec" type="text" size="4" value="$sec" />$lt{'sec'}
 3268: ENDINPUTDATE
 3269: 	} elsif ($defkeytype{$tempkey} eq 'string_yesno') {
 3270:             my $yeschecked='';
 3271:             my $nochecked='';
 3272:             if (&rulescache($tempkey.'_value') eq 'yes') { $yeschecked='checked="checked"'; }
 3273:             if (&rulescache($tempkey.'_value') eq 'no') { $nochecked='checked="checked"'; }
 3274: 
 3275: 	    $r->print(<<ENDYESNO);
 3276: <label><input type="radio" name="$tempkey\_value" value="yes" $yeschecked /> $lt{'yes'}</label><br />
 3277: <label><input type="radio" name="$tempkey\_value" value="no" $nochecked /> $lt{'no'}</label>
 3278: ENDYESNO
 3279:         } else {
 3280: 	    $r->print('<input type="text" size="20" name="'.$tempkey.'_value" value="'.&rulescache($tempkey.'_value').'" />');
 3281: 	}
 3282:         $r->print('</td></tr>');
 3283:     }
 3284:     $r->print("</table>\n<input type='submit' name='storerules' value='".
 3285: 	      &mt('Store Rules')."' /></form>\n".
 3286: 	      &Apache::loncommon::end_page());
 3287:     return;
 3288: }
 3289: 
 3290: sub components {
 3291:     my ($key,$uname,$udom,$exeuser,$exedomain)=@_;
 3292:     my $typeflag=0;
 3293:     if ($key=~/\.type$/) {
 3294: 	$key=~s/\.type$//;
 3295:         $typeflag=1;
 3296:     }
 3297:     my $issection;
 3298:     my ($middle,$part,$name)=($key=~/^$env{'request.course.id'}\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
 3299:     my $section=&mt('All Students');
 3300:     if ($middle=~/^\[(.*)\]/) {
 3301: 	$issection=$1;
 3302: 	$section=&mt('Group/Section').': '.$issection;
 3303: 	$middle=~s/^\[(.*)\]//;
 3304:     }
 3305:     $middle=~s/\.+$//;
 3306:     $middle=~s/^\.+//;
 3307:     if ($uname) {
 3308: 	$section=&mt('User').": ".&Apache::loncommon::plainname($uname,$udom);
 3309: 	$issection='';
 3310:     }
 3311:     my $realm='<font color="red">'.&mt('All Resources').'</font>';
 3312:     my $realmdescription=&mt('all resources'); 
 3313:     if ($middle=~/^(.+)\_\_\_\(all\)$/) {
 3314: 	$realm='<font color="green">'.&mt('Folder/Map').': '.&Apache::lonnet::gettitle($1).' <br /><font color="#aaaaaa" size="-2">('.$1.')</font></font>';
 3315:  	$realmdescription=&mt('folder').' '.&Apache::lonnet::gettitle($1);
 3316:    } elsif ($middle) {
 3317: 	my ($map,$id,$url)=&Apache::lonnet::decode_symb($middle);
 3318: 	$realm='<font color="orange">'.&mt('Resource').': '.&Apache::lonnet::gettitle($middle).' <br /><font color="#aaaaaa" size="-2">('.$url.' in '.$map.' id: '.$id.')</font></font>';
 3319: 	$realmdescription=&mt('resource').' '.&Apache::lonnet::gettitle($middle);
 3320:     }
 3321:     my $what=$part.'.'.$name;
 3322:     return ($realm,$section,$name,$part,$typeflag,
 3323: 	    $what,$middle,$uname,$udom,$issection,$realmdescription);
 3324: }
 3325: 
 3326: sub standard_parameter_names {
 3327:     my ($name)=@_;
 3328:     my %standard_parms=&Apache::lonlocal::texthash('duedate' => 'Due Date',
 3329: 						   'answerdate' => 'Answer Date',
 3330: 						   'opendate' => 'Open Date',
 3331: 						   'maxtries' => 'Max. Number of Tries',
 3332: 						   'weight' => 'Weight',
 3333: 						   'date_start' => 'Starting Date',
 3334: 						   'date_end' => 'Ending Date',
 3335: 						   'int_pos' => 'Positive Integer',
 3336: 						   'int_zero_pos' => 'Positive Integer or Zero',
 3337: 						   'hinttries' => 'Number of Tries till Hints appear');
 3338:     if ($standard_parms{$name}) {
 3339: 	return $standard_parms{$name}; 
 3340:     } else { 
 3341: 	return $name; 
 3342:     }
 3343: }
 3344: 
 3345: sub parm_change_log {
 3346:     my ($r)=@_;
 3347:     &startpage($r);
 3348:     my %parmlog=&Apache::lonnet::dump('nohist_parameterlog',
 3349: 				      $env{'course.'.$env{'request.course.id'}.'.domain'},
 3350: 				      $env{'course.'.$env{'request.course.id'}.'.num'});
 3351:     if ((keys(%parmlog))[0]=~/^error\:/) { undef(%parmlog); }
 3352: 
 3353:     my $courseopt=&Apache::lonnet::get_courseresdata($env{'course.'.$env{'request.course.id'}.'.num'},
 3354: 						     $env{'course.'.$env{'request.course.id'}.'.domain'});
 3355:     $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
 3356: 	      '<th>'.&mt('Time').'</th><th>'.&mt('User').'</th><th>'.&mt('Extent').'</th><th>'.&mt('Users').'</th><th>'.
 3357: 	      &mt('Parameter').'</th><th>'.&mt('Part').'</th><th>'.&mt('New Value').'</th><th>'.&mt('Announce').'</th>'.
 3358: 	      &Apache::loncommon::end_data_table_header_row());
 3359:     foreach my $id (sort { $parmlog{$b}{'exe_time'}<=>$parmlog{$a}{'exe_time'} } (keys(%parmlog))) {
 3360:         my @changes=keys(%{$parmlog{$id}{'logentry'}});
 3361: 	my $count=$#changes+1;
 3362: 	my $time =
 3363: 	    &Apache::lonlocal::locallocaltime($parmlog{$id}{'exe_time'});
 3364: 	my $plainname = 
 3365: 	    &Apache::loncommon::plainname($parmlog{$id}{'exe_uname'},
 3366: 					  $parmlog{$id}{'exe_udom'});
 3367: 	my $about_me_link = 
 3368: 	    &Apache::loncommon::aboutmewrapper($plainname,
 3369: 					       $parmlog{$id}{'exe_uname'},
 3370: 					       $parmlog{$id}{'exe_udom'});
 3371: 	my $send_msg_link='';
 3372: 	if ((($parmlog{$id}{'exe_uname'} ne $env{'user.name'}) 
 3373: 	     || ($parmlog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
 3374: 	    $send_msg_link ='<br />'.
 3375: 		&Apache::loncommon::messagewrapper(&mt('Send message'),
 3376: 						   $parmlog{$id}{'exe_uname'},
 3377: 						   $parmlog{$id}{'exe_udom'});
 3378: 	}
 3379: 	my $row_start=&Apache::loncommon::start_data_table_row();
 3380: 	$r->print($row_start.'<td rowspan="'.$count.'">'.$time.'</td>
 3381:                        <td rowspan="'.$count.'">'.$about_me_link.
 3382: 		  '<br /><tt>'.$parmlog{$id}{'exe_uname'}.
 3383: 			          ':'.$parmlog{$id}{'exe_udom'}.'</tt>'.
 3384: 		  $send_msg_link.'</td>');
 3385: 	my $makenewrow=0;
 3386: 	my %istype=();
 3387: 	foreach my $changed (reverse(sort(@changes))) {
 3388:             my $value=$parmlog{$id}{'logentry'}->{$changed};
 3389:             my ($realm,$section,$parmname,$part,$typeflag,$what,$middle,$uname,$udom,$issection,$realmdescription)=
 3390: 		&components($changed,$parmlog{$id}{'uname'},$parmlog{$id}{'udom'});
 3391: 	    if ($typeflag) { $istype{$parmname}=$value; }
 3392: 	    if ($makenewrow) { $r->print($row_start); } else { $makenewrow=1; }
 3393: 	    $r->print('<td>'.$realm.'</td><td>'.$section.'</td><td>'.
 3394: 		      &standard_parameter_names($parmname).'</td><td>'.
 3395: 		      ($part?&mt('Part: [_1]',$part):&mt('All Parts')).'</td><td>');
 3396: 	    my $stillactive=0;
 3397: 	    if ($parmlog{$id}{'deleteflag'}) {
 3398: 		$r->print(&mt('Deleted'));
 3399: 	    } else {
 3400: 		if ($typeflag) {
 3401: 		    $r->print(&mt('Type: [_1]',&standard_parameter_names($value)));
 3402: 		} else {
 3403: 		    my ($level,@all)=&parmval_by_symb($what,$middle,&Apache::lonnet::metadata($middle,$what),
 3404: 						      $uname,$udom,$issection,$issection,$courseopt);
 3405: 		    if (&isdateparm($istype{$parmname})) {
 3406: 			$r->print(&Apache::lonlocal::locallocaltime($value));
 3407: 		    } else {
 3408: 			$r->print($value);
 3409: 		    }
 3410: 		    if ($value ne $all[$level]) {
 3411: 			$r->print('<br /><font color="red">'.&mt('Not active anymore').'</font>');
 3412: 		    } else {
 3413: 			$stillactive=1;
 3414: 		    }
 3415: 		}
 3416: 	    }
 3417: 	    $r->print('</td>');
 3418: 	    if ($stillactive) {
 3419: 		my $title=&mt('Changed [_1]',&standard_parameter_names($parmname));
 3420:                 my $description=&mt('Changed [_1] for [_2] to [_3]',&standard_parameter_names($parmname),$realmdescription,
 3421: 				    (&isdateparm($istype{$parmname})?&Apache::lonlocal::locallocaltime($value):$value));
 3422: 		if (($uname) && ($udom)) {
 3423: 		    $r->print('<td>'.
 3424: 			      &Apache::loncommon::messagewrapper('Notify User',$uname,$udom,$title,$description).
 3425: 			      '</td>');
 3426: 		} else {
 3427: 		    $r->print('<td>'.
 3428: 			      &Apache::lonrss::course_blog_link($id,$title,$description).
 3429: 			      '</td>');
 3430: 		}
 3431: 	    } else {
 3432: 		$r->print('<td>&nbsp;</td>');
 3433: 	    }
 3434: 	    $r->print(&Apache::loncommon::end_data_table_row());
 3435: 	}
 3436:     }
 3437:     $r->print(&Apache::loncommon::end_data_table());
 3438:     $r->print(&Apache::loncommon::end_page());
 3439: }
 3440: 
 3441: ##################################################
 3442: ##################################################
 3443: 
 3444: =pod
 3445: 
 3446: =item * handler
 3447: 
 3448: Main handler.  Calls &assessparms and &crsenv subroutines.
 3449: 
 3450: =cut
 3451: ##################################################
 3452: ##################################################
 3453: #    use Data::Dumper;
 3454: 
 3455: 
 3456: sub handler {
 3457:     my $r=shift;
 3458: 
 3459:     if ($r->header_only) {
 3460: 	&Apache::loncommon::content_type($r,'text/html');
 3461: 	$r->send_http_header;
 3462: 	return OK;
 3463:     }
 3464:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 3465: 					    ['action','state',
 3466:                                              'pres_marker',
 3467:                                              'pres_value',
 3468:                                              'pres_type',
 3469:                                              'udom','uname','symb','serial']);
 3470: 
 3471: 
 3472:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 3473:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/parmset",
 3474: 					    text=>"Parameter Manager",
 3475: 					    faq=>10,
 3476: 					    bug=>'Instructor Interface'});
 3477: 
 3478: # ----------------------------------------------------- Needs to be in a course
 3479:     my $parm_permission =
 3480: 	(&Apache::lonnet::allowed('opa',$env{'request.course.id'}) ||
 3481: 	 &Apache::lonnet::allowed('opa',$env{'request.course.id'}.'/'.
 3482: 				  $env{'request.course.sec'}));
 3483:     if ($env{'request.course.id'} &&  $parm_permission) {
 3484: 
 3485:         # Start Page
 3486:         &Apache::loncommon::content_type($r,'text/html');
 3487:         $r->send_http_header;
 3488: 
 3489: 
 3490:         # id numbers can change on re-ordering of folders
 3491: 
 3492:         &resetsymbcache();
 3493: 
 3494:         #
 3495:         # Main switch on form.action and form.state, as appropriate
 3496:         #
 3497:         # Check first if coming from someone else headed directly for
 3498:         #  the table mode
 3499:         if ((($env{'form.command'} eq 'set') && ($env{'form.url'})
 3500: 	     && (!$env{'form.dis'})) || ($env{'form.symb'})) {
 3501: 	    &assessparms($r);
 3502: 
 3503:         } elsif (! exists($env{'form.action'})) {
 3504:             $r->print(&header());
 3505:             $r->print(&Apache::lonhtmlcommon::breadcrumbs('Parameter Manager'));
 3506:             &print_main_menu($r,$parm_permission);
 3507:         } elsif ($env{'form.action'} eq 'crsenv' && $parm_permission) {
 3508:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=crsenv',
 3509: 						    text=>"Course Environment"});
 3510:             &crsenv($r); 
 3511:         } elsif ($env{'form.action'} eq 'setoverview' && $parm_permission) {
 3512:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setoverview',
 3513: 						    text=>"Overview Mode"});
 3514: 	    &overview($r);
 3515:         } elsif ($env{'form.action'} eq 'setrestrictmeta' && $parm_permission) {
 3516:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setrestrictmeta',
 3517: 						    text=>"Restrict Metadata"});
 3518: 	    &setrestrictmeta($r);
 3519:         } elsif ($env{'form.action'} eq 'newoverview' && $parm_permission) {
 3520:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setoverview',
 3521: 						    text=>"Overview Mode"});
 3522: 	    &newoverview($r);
 3523:         }  elsif ($env{'form.action'} eq 'setdefaults' && $parm_permission) {
 3524:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setdefaults',
 3525: 						    text=>"Set Defaults"});
 3526: 	    &defaultsetter($r);
 3527: 	} elsif ($env{'form.action'} eq 'settable' && $parm_permission) {
 3528:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
 3529: 						    text=>"Table Mode",
 3530: 						    help => 'Course_Setting_Parameters'});
 3531: 	    &assessparms($r);
 3532:         } elsif ($env{'form.action'} eq 'parameterchangelog' && $parm_permission) {
 3533:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
 3534: 						    text=>"Parameter Change Log"});
 3535: 	    &parm_change_log($r);
 3536: 	}       
 3537:     } else {
 3538: # ----------------------------- Not in a course, or not allowed to modify parms
 3539: 	$env{'user.error.msg'}=
 3540: 	    "/adm/parmset:opa:0:0:Cannot modify assessment parameters";
 3541: 	return HTTP_NOT_ACCEPTABLE;
 3542:     }
 3543:     return OK;
 3544: }
 3545: 
 3546: 1;
 3547: __END__
 3548: 
 3549: =pod
 3550: 
 3551: =back
 3552: 
 3553: =cut
 3554: 
 3555: 
 3556: 

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