File:  [LON-CAPA] / loncom / interface / lonparmset.pm
Revision 1.413: download - view: text, annotated - select for diffs
Thu Oct 23 14:26:17 2008 UTC (15 years, 7 months ago) by bisitz
Branches: MAIN
CVS tags: version_2_9_X, version_2_8_X, HEAD, GCI_1
Optimizations for the display of date/time parameters:
- Added warning style to warning of dates out of enrollment time slot
- Improved timer unit shortcuts display depending on singular/plural
- Improved timer values display: added comma separation for a better readability
- Bugfix/Special case: Allow again a change of the timer values, if all values has been set to 0. Used to show empty field which has prevented a change (missing link).
- Added nobreak style to date shift link text

- Prepared little info texts to warn of dates which are in the past/in the future:
    Experiences revealed that users accidently define (due) dates for the past which are meant to be in the future and the other way round. See additional comments in the code.

    1: # The LearningOnline Network with CAPA
    2: # Handler to set parameters for assessments
    3: #
    4: # $Id: lonparmset.pm,v 1.413 2008/10/23 14:26:17 bisitz 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::longroup;
   67: use Apache::lonrss;
   68: use LONCAPA qw(:DEFAULT :match);
   69: 
   70: 
   71: ##################################################
   72: ##################################################
   73: 
   74: =pod
   75: 
   76: =item parmval
   77: 
   78: Figure out a cascading parameter.
   79: 
   80: Inputs:  $what - a parameter spec (incluse part info and name I.E. 0.weight)
   81:          $id   - a bighash Id number
   82:          $def  - the resource's default value   'stupid emacs
   83: 
   84: Returns:  A list, the first item is the index into the remaining list of items of parm valuse that is the active one, the list consists of parm values at the 14 possible levels
   85: 
   86: 14- General Course
   87: 13- Map or Folder level in course
   88: 12- resource default
   89: 11- map default
   90: 10- resource level in course
   91: 9 - General for section
   92: 8 - Map or Folder level for section
   93: 7 - resource level in section
   94: 6 - General for group
   95: 5 - Map or Folder level for group
   96: 4 - resource level in group
   97: 3 - General for specific student
   98: 2 - Map or Folder level for specific student
   99: 1 - resource level for specific student
  100: 
  101: =cut
  102: 
  103: ##################################################
  104: sub parmval {
  105:     my ($what,$id,$def,$uname,$udom,$csec,$cgroup,$courseopt)=@_;
  106:     return &parmval_by_symb($what,&symbcache($id),$def,$uname,$udom,$csec,
  107:                                                            $cgroup,$courseopt);
  108: }
  109: 
  110: sub parmval_by_symb {
  111:     my ($what,$symb,$def,$uname,$udom,$csec,$cgroup,$courseopt)=@_;
  112: 
  113:     my $useropt;
  114:     if ($uname ne '' && $udom ne '') {
  115: 	$useropt = &Apache::lonnet::get_userresdata($uname,$udom);
  116:     }
  117: 
  118:     my $result='';
  119:     my @outpar=();
  120: # ----------------------------------------------------- Cascading lookup scheme
  121:     my $map=(&Apache::lonnet::decode_symb($symb))[0];    
  122:     $map = &Apache::lonnet::deversion($map);
  123: 
  124:     my $symbparm=$symb.'.'.$what;
  125:     my $mapparm=$map.'___(all).'.$what;
  126: 
  127:     my $grplevel=$env{'request.course.id'}.'.['.$cgroup.'].'.$what;
  128:     my $grplevelr=$env{'request.course.id'}.'.['.$cgroup.'].'.$symbparm;
  129:     my $grplevelm=$env{'request.course.id'}.'.['.$cgroup.'].'.$mapparm;
  130: 
  131:     my $seclevel=$env{'request.course.id'}.'.['.$csec.'].'.$what;
  132:     my $seclevelr=$env{'request.course.id'}.'.['.$csec.'].'.$symbparm;
  133:     my $seclevelm=$env{'request.course.id'}.'.['.$csec.'].'.$mapparm;
  134: 
  135:     my $courselevel=$env{'request.course.id'}.'.'.$what;
  136:     my $courselevelr=$env{'request.course.id'}.'.'.$symbparm;
  137:     my $courselevelm=$env{'request.course.id'}.'.'.$mapparm;
  138: 
  139: 
  140: # --------------------------------------------------------- first, check course
  141: 
  142:     if (defined($$courseopt{$courselevel})) {
  143: 	$outpar[14]=$$courseopt{$courselevel};
  144: 	$result=14;
  145:     }
  146: 
  147:     if (defined($$courseopt{$courselevelm})) {
  148: 	$outpar[13]=$$courseopt{$courselevelm};
  149: 	$result=13;
  150:     }
  151: 
  152: # ------------------------------------------------------- second, check default
  153: 
  154:     if (defined($def)) { $outpar[12]=$def; $result=12; }
  155: 
  156: # ------------------------------------------------------ third, check map parms
  157: 
  158:     my $thisparm=&parmhash($symbparm);
  159:     if (defined($thisparm)) { $outpar[11]=$thisparm; $result=11; }
  160: 
  161:     if (defined($$courseopt{$courselevelr})) {
  162: 	$outpar[10]=$$courseopt{$courselevelr};
  163: 	$result=10;
  164:     }
  165: 
  166: # ------------------------------------------------------ fourth, back to course
  167:     if ($csec ne '') {
  168:         if (defined($$courseopt{$seclevel})) {
  169: 	    $outpar[9]=$$courseopt{$seclevel};
  170: 	    $result=9;
  171: 	}
  172:         if (defined($$courseopt{$seclevelm})) {
  173: 	    $outpar[8]=$$courseopt{$seclevelm};
  174: 	    $result=8;
  175: 	}
  176: 
  177:         if (defined($$courseopt{$seclevelr})) {
  178: 	    $outpar[7]=$$courseopt{$seclevelr};
  179: 	    $result=7;
  180: 	}
  181:     }
  182: # ------------------------------------------------------ fifth, check course group
  183:     if ($cgroup ne '') {
  184:         if (defined($$courseopt{$grplevel})) {
  185:             $outpar[6]=$$courseopt{$grplevel};
  186:             $result=6;
  187:         }
  188:         if (defined($$courseopt{$grplevelm})) {
  189:             $outpar[5]=$$courseopt{$grplevelm};
  190:             $result=5;
  191:         }
  192:         if (defined($$courseopt{$grplevelr})) {
  193:             $outpar[4]=$$courseopt{$grplevelr};
  194:             $result=4;
  195:         }
  196:     }
  197: 
  198: # ---------------------------------------------------------- fifth, check user
  199: 
  200:     if ($uname ne '') {
  201: 	if (defined($$useropt{$courselevel})) {
  202: 	    $outpar[3]=$$useropt{$courselevel};
  203: 	    $result=3;
  204: 	}
  205: 
  206: 	if (defined($$useropt{$courselevelm})) {
  207: 	    $outpar[2]=$$useropt{$courselevelm};
  208: 	    $result=2;
  209: 	}
  210: 
  211: 	if (defined($$useropt{$courselevelr})) {
  212: 	    $outpar[1]=$$useropt{$courselevelr};
  213: 	    $result=1;
  214: 	}
  215:     }
  216:     return ($result,@outpar);
  217: }
  218: 
  219: 
  220: 
  221: # --- Caches local to lonparmset
  222: 
  223:     
  224: sub reset_caches {
  225:     &resetparmhash();
  226:     &resetsymbcache();
  227:     &resetrulescache();
  228: }
  229: 
  230: {
  231:     my $parmhashid;
  232:     my %parmhash;
  233:     sub resetparmhash {
  234: 	undef($parmhashid);
  235: 	undef(%parmhash);
  236:     }
  237:     
  238:     sub cacheparmhash {
  239: 	if ($parmhashid eq  $env{'request.course.fn'}) { return; }
  240: 	my %parmhashfile;
  241: 	if (tie(%parmhashfile,'GDBM_File',
  242: 		$env{'request.course.fn'}.'_parms.db',&GDBM_READER(),0640)) {
  243: 	    %parmhash=%parmhashfile;
  244: 	    untie(%parmhashfile);
  245: 	    $parmhashid=$env{'request.course.fn'};
  246: 	}
  247:     }
  248:  
  249:     sub parmhash {
  250: 	my ($id) = @_;
  251: 	&cacheparmhash();
  252: 	return $parmhash{$id};
  253:     }
  254:  }
  255: 
  256: {   
  257:     my $symbsid;
  258:     my %symbs;
  259:     sub resetsymbcache {
  260: 	undef($symbsid);
  261: 	undef(%symbs);
  262:     }
  263:     
  264:     sub symbcache {
  265: 	my $id=shift;
  266: 	if ($symbsid ne $env{'request.course.id'}) {
  267: 	    undef(%symbs);
  268: 	}
  269: 	if (!$symbs{$id}) {
  270: 	    my $navmap = Apache::lonnavmaps::navmap->new();
  271: 	    if ($id=~/\./) {
  272: 		my $resource=$navmap->getById($id);
  273: 		$symbs{$id}=$resource->symb();
  274: 	    } else {
  275: 		my $resource=$navmap->getByMapPc($id);
  276: 		$symbs{$id}=&Apache::lonnet::declutter($resource->src());
  277: 	    }
  278: 	    $symbsid=$env{'request.course.id'};
  279: 	}
  280: 	return $symbs{$id};
  281:     }
  282:  }
  283: 
  284: {   
  285:     my $rulesid;
  286:     my %rules;
  287:     sub resetrulescache {
  288: 	undef($rulesid);
  289: 	undef(%rules);
  290:     }
  291:     
  292:     sub rulescache {
  293: 	my $id=shift;
  294: 	if ($rulesid ne $env{'request.course.id'}
  295: 	    && !defined($rules{$id})) {
  296: 	    my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  297: 	    my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
  298: 	    %rules=&Apache::lonnet::dump('parmdefactions',$dom,$crs);
  299: 	    $rulesid=$env{'request.course.id'};
  300: 	}
  301: 	return $rules{$id};
  302:     }
  303: }
  304: 
  305: sub preset_defaults {
  306:     my $type=shift;
  307:     if (&rulescache($type.'_action') eq 'default') {
  308: # yes, there is something
  309: 	return (&rulescache($type.'_hours'),
  310: 		&rulescache($type.'_min'),
  311: 		&rulescache($type.'_sec'),
  312: 		&rulescache($type.'_value'));
  313:     } else {
  314: # nothing there or something else
  315: 	return ('','','','','');
  316:     }
  317: }
  318: 
  319: ##################################################
  320: 
  321: sub date_sanity_info {
  322:    my $checkdate=shift;
  323:    unless ($checkdate) { return ''; }
  324:    my $result='';
  325:    my $crsprefix='course.'.$env{'request.course.id'}.'.';
  326:    if ($env{$crsprefix.'default_enrollment_end_date'}) {
  327:       if ($checkdate>$env{$crsprefix.'default_enrollment_end_date'}) {
  328:          $result.='<div class="LC_warning">'
  329:                  .&mt('After course enrollment end!')
  330:                  .'</div>';
  331:       }
  332:    }
  333:    if ($env{$crsprefix.'default_enrollment_start_date'}) {
  334:       if ($checkdate<$env{$crsprefix.'default_enrollment_start_date'}) {
  335:          $result.='<div class="LC_warning">'
  336:                  .&mt('Before course enrollment start!')
  337:                  .'</div>';
  338:       }
  339:    }
  340: # Preparation for additional warnings about dates in the past/future.
  341: # An improved, more context sensitive version is recommended,
  342: # e.g. warn for due and answer dates which are defined before the corresponding open date, etc.
  343: #   if ($checkdate<time) {
  344: #      $result.='<div class="LC_info">'
  345: #              .'('.&mt('in the past').')'
  346: #              .'</div>';
  347: #      }
  348: #   if ($checkdate>time) {
  349: #      $result.='<div class="LC_info">'
  350: #              .'('.&mt('in the future').')'
  351: #              .'</div>';
  352: #      }
  353:    return $result;
  354: }
  355: ##################################################
  356: ##################################################
  357: #
  358: # Store a parameter by ID
  359: #
  360: # Takes
  361: # - resource id
  362: # - name of parameter
  363: # - level
  364: # - new value
  365: # - new type
  366: # - username
  367: # - userdomain
  368: 
  369: sub storeparm {
  370:     my ($sresid,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$cgroup)=@_;
  371:     &storeparm_by_symb(&symbcache($sresid),$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,'',$cgroup);
  372: }
  373: 
  374: #
  375: # Store a parameter by symb
  376: #
  377: # Takes
  378: # - symb
  379: # - name of parameter
  380: # - level
  381: # - new value
  382: # - new type
  383: # - username
  384: # - userdomain
  385: my %recstack;
  386: sub storeparm_by_symb {
  387:     my ($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$recflag,$cgroup)=@_;
  388:     unless ($recflag) {
  389: # first time call
  390: 	%recstack=();
  391: 	$recflag=1;
  392:     }
  393: # store parameter
  394:     &storeparm_by_symb_inner
  395: 	($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$cgroup);
  396: # don't do anything if parameter was reset
  397:     unless ($nval) { return; }
  398:     my ($prefix,$parm)=($spnam=~/^(.*[\_\.])([^\_\.]+)$/);
  399: # remember that this was set
  400:     $recstack{$parm}=1;
  401: # what does this trigger?
  402:     foreach my $triggered (split(/\:/,&rulescache($parm.'_triggers'))) {
  403: # don't backfire
  404:        unless ((!$triggered) || ($recstack{$triggered})) {
  405: 	   my $action=&rulescache($triggered.'_action');
  406: 	   my ($whichaction,$whichparm)=($action=~/^(.*\_)([^\_]+)$/);
  407: # set triggered parameter on same level
  408: 	   my $newspnam=$prefix.$triggered;
  409: 	   my $newvalue='';
  410: 	   my $active=1;
  411: 	   if ($action=~/^when\_setting/) {
  412: # are there restrictions?
  413: 	       if (&rulescache($triggered.'_triggervalue')=~/\w/) {
  414: 		   $active=0;
  415: 		   foreach my $possiblevalue (split(/\s*\,\s*/,&rulescache($triggered.'_triggervalue'))) {
  416: 		       if (lc($possiblevalue) eq lc($nval)) { $active=1; }
  417: 		   }
  418: 	       }
  419: 	       $newvalue=&rulescache($triggered.'_value');
  420: 	   } else {
  421: 	       my $totalsecs=((&rulescache($triggered.'_days')*24+&rulescache($triggered.'_hours'))*60+&rulescache($triggered.'_min'))*60+&rulescache($triggered.'_sec');
  422: 	       if ($action=~/^later\_than/) {
  423: 		   $newvalue=$nval+$totalsecs;
  424: 	       } else {
  425: 		   $newvalue=$nval-$totalsecs;
  426: 	       }
  427: 	   }
  428: 	   if ($active) {
  429: 	       &storeparm_by_symb($symb,$newspnam,$snum,$newvalue,&rulescache($triggered.'_type'),
  430: 				   $uname,$udom,$csec,$recflag,$cgroup);
  431: 	   }
  432:        }
  433:     }
  434:     return '';
  435: }
  436: 
  437: sub log_parmset {
  438:     return &Apache::lonnet::instructor_log('parameterlog',@_);
  439: }
  440: 
  441: sub storeparm_by_symb_inner {
  442: # ---------------------------------------------------------- Get symb, map, etc
  443:     my ($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$cgroup)=@_;
  444: # ---------------------------------------------------------- Construct prefixes
  445:     $spnam=~s/\_([^\_]+)$/\.$1/;
  446:     my $map=(&Apache::lonnet::decode_symb($symb))[0];    
  447:     $map = &Apache::lonnet::deversion($map);
  448: 
  449:     my $symbparm=$symb.'.'.$spnam;
  450:     my $mapparm=$map.'___(all).'.$spnam;
  451: 
  452:     my $grplevel=$env{'request.course.id'}.'.['.$cgroup.'].'.$spnam;
  453:     my $grplevelr=$env{'request.course.id'}.'.['.$cgroup.'].'.$symbparm;
  454:     my $grplevelm=$env{'request.course.id'}.'.['.$cgroup.'].'.$mapparm;
  455: 
  456:     my $seclevel=$env{'request.course.id'}.'.['.$csec.'].'.$spnam;
  457:     my $seclevelr=$env{'request.course.id'}.'.['.$csec.'].'.$symbparm;
  458:     my $seclevelm=$env{'request.course.id'}.'.['.$csec.'].'.$mapparm;
  459:     
  460:     my $courselevel=$env{'request.course.id'}.'.'.$spnam;
  461:     my $courselevelr=$env{'request.course.id'}.'.'.$symbparm;
  462:     my $courselevelm=$env{'request.course.id'}.'.'.$mapparm;
  463:     
  464:     my $storeunder='';
  465:     if (($snum==14) || ($snum==3)) { $storeunder=$courselevel; }
  466:     if (($snum==13) || ($snum==2)) { $storeunder=$courselevelm; }
  467:     if (($snum==10) || ($snum==1)) { $storeunder=$courselevelr; }
  468:     if ($snum==9) { $storeunder=$seclevel; }
  469:     if ($snum==8) { $storeunder=$seclevelm; }
  470:     if ($snum==7) { $storeunder=$seclevelr; }
  471:     if ($snum==6) { $storeunder=$grplevel; }
  472:     if ($snum==5) { $storeunder=$grplevelm; }
  473:     if ($snum==4) { $storeunder=$grplevelr; }
  474: 
  475:     
  476:     my $delete;
  477:     if ($nval eq '') { $delete=1;}
  478:     my %storecontent = ($storeunder         => $nval,
  479: 			$storeunder.'.type' => $ntype);
  480:     my $reply='';
  481:     if ($snum>3) {
  482: # ---------------------------------------------------------------- Store Course
  483: #
  484: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  485: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  486: # Expire sheets
  487: 	&Apache::lonnet::expirespread('','','studentcalc');
  488: 	if (($snum==10) || ($snum==7) || ($snum==4)) {
  489: 	    &Apache::lonnet::expirespread('','','assesscalc',$symb);
  490: 	} elsif (($snum==11) || ($snum==8) || ($snum==5)) {
  491: 	    &Apache::lonnet::expirespread('','','assesscalc',$map);
  492: 	} else {
  493: 	    &Apache::lonnet::expirespread('','','assesscalc');
  494: 	}
  495: # Store parameter
  496: 	if ($delete) {
  497: 	    $reply=&Apache::lonnet::del
  498: 		('resourcedata',[keys(%storecontent)],$cdom,$cnum);
  499:             &log_parmset(\%storecontent,1);
  500: 	} else {
  501: 	    $reply=&Apache::lonnet::cput
  502: 		('resourcedata',\%storecontent,$cdom,$cnum);
  503: 	    &log_parmset(\%storecontent);
  504: 	}
  505: 	&Apache::lonnet::devalidatecourseresdata($cnum,$cdom);
  506:     } else {
  507: # ------------------------------------------------------------------ Store User
  508: #
  509: # Expire sheets
  510: 	&Apache::lonnet::expirespread($uname,$udom,'studentcalc');
  511: 	if ($snum==1) {
  512: 	    &Apache::lonnet::expirespread
  513: 		($uname,$udom,'assesscalc',$symb);
  514: 	} elsif ($snum==2) {
  515: 	    &Apache::lonnet::expirespread
  516: 		($uname,$udom,'assesscalc',$map);
  517: 	} else {
  518: 	    &Apache::lonnet::expirespread($uname,$udom,'assesscalc');
  519: 	}
  520: # Store parameter
  521: 	if ($delete) {
  522: 	    $reply=&Apache::lonnet::del
  523: 		('resourcedata',[keys(%storecontent)],$udom,$uname);
  524: 	    &log_parmset(\%storecontent,1,$uname,$udom);
  525: 	} else {
  526: 	    $reply=&Apache::lonnet::cput
  527: 		('resourcedata',\%storecontent,$udom,$uname);
  528: 	    &log_parmset(\%storecontent,0,$uname,$udom);
  529: 	}
  530: 	&Apache::lonnet::devalidateuserresdata($uname,$udom);
  531:     }
  532:     
  533:     if ($reply=~/^error\:(.*)/) {
  534: 	return "<span class=\"LC_error\">Write Error: $1</span>";
  535:     }
  536:     return '';
  537: }
  538: 
  539: ##################################################
  540: ##################################################
  541: 
  542: =pod
  543: 
  544: =item valout
  545: 
  546: Format a value for output.
  547: 
  548: Inputs:  $value, $type, $editable
  549: 
  550: Returns: $value, formatted for output.  If $type indicates it is a date,
  551: localtime($value) is returned.
  552: $editable will return an icon to click on
  553: 
  554: =cut
  555: 
  556: ##################################################
  557: ##################################################
  558: sub valout {
  559:     my ($value,$type,$editable)=@_;
  560:     my $result = '';
  561:     # Values of zero are valid.
  562:     if (! $value && $value ne '0') {
  563: 	if ($editable) {
  564: 	    $result = '<span class="LC_clickhere">*</span>';
  565: 	} else {
  566: 	    $result='&nbsp;';
  567: 	}
  568:     } else {
  569:         if ($type eq 'date_interval') {
  570:             my ($sec,$min,$hour,$mday,$mon,$year)=gmtime($value);
  571:             my @timer;
  572:             $year=$year-70;
  573:             $mday--;
  574:             if ($year) {
  575: #               $result.=&mt('[quant,_1,yr]',$year).' ';
  576:                 push(@timer,&mt('[quant,_1,yr]',$year));
  577:             }
  578:             if ($mon) {
  579: #               $result.=&mt('[quant,_1,mth]',$mon).' ';
  580:                 push(@timer,&mt('[quant,_1,mth]',$mon));
  581:             }
  582:             if ($mday) {
  583: #               $result.=&mt('[quant,_1,day]',$mday).' ';
  584:                 push(@timer,&mt('[quant,_1,day]',$mday));
  585:             }
  586:             if ($hour) {
  587: #               $result.=&mt('[quant,_1,hr]',$hour).' ';
  588:                 push(@timer,&mt('[quant,_1,hr]',$hour));
  589:             }
  590:             if ($min) {
  591: #               $result.=&mt('[quant,_1,min]',$min).' ';
  592:                 push(@timer,&mt('[quant,_1,min]',$min));
  593:             }
  594:             if ($sec) {
  595: #               $result.=&mt('[quant,_1,sec]',$sec).' ';
  596:                 push(@timer,&mt('[quant,_1,sec]',$sec));
  597:             }
  598: #           $result=~s/\s+$//;
  599:             if (!@timer) { # Special case: all entries 0 -> display "0 secs" intead of empty field to keep this field editable
  600:                 push(@timer,&mt('[quant,_1,sec]',0));
  601:             }
  602:             $result.=join(", ",@timer);
  603:         } elsif (&isdateparm($type)) {
  604:             $result = &Apache::lonlocal::locallocaltime($value).
  605: 		&date_sanity_info($value);
  606:         } else {
  607:             $result = $value;
  608: 	    $result = &HTML::Entities::encode($result,'"<>&');
  609:         }
  610:     }
  611:     return $result;
  612: }
  613: 
  614: ##################################################
  615: ##################################################
  616: 
  617: =pod
  618: 
  619: =item plink
  620: 
  621: Produces a link anchor.
  622: 
  623: Inputs: $type,$dis,$value,$marker,$return,$call
  624: 
  625: Returns: scalar with html code for a link which will envoke the 
  626: javascript function 'pjump'.
  627: 
  628: =cut
  629: 
  630: ##################################################
  631: ##################################################
  632: sub plink {
  633:     my ($type,$dis,$value,$marker,$return,$call)=@_;
  634:     my $winvalue=$value;
  635:     unless ($winvalue) {
  636: 	if (&isdateparm($type)) {
  637:             $winvalue=$env{'form.recent_'.$type};
  638:         } else {
  639:             $winvalue=$env{'form.recent_'.(split(/\_/,$type))[0]};
  640:         }
  641:     }
  642:     my ($parmname)=((split(/\&/,$marker))[1]=~/\_([^\_]+)$/);
  643:     my ($hour,$min,$sec,$val)=&preset_defaults($parmname);
  644:     unless (defined($winvalue)) { $winvalue=$val; }
  645:     my $valout = &valout($value,$type,1);
  646:     foreach my $item (\$type, \$dis, \$winvalue, \$marker, \$return, \$call,
  647: 		      \$hour, \$min, \$sec) {
  648: 	$$item = &HTML::Entities::encode($$item,'"<>&');
  649: 	$$item =~ s/\'/\\\'/g;
  650:     }
  651:     return '<table width="100%"><tr valign="top" align="right"><td><a name="'.$marker.'" /></td></tr><tr><td align="center">'.
  652: 	'<a href="javascript:pjump('."'".$type."','".$dis."','".$winvalue."','"
  653: 	    .$marker."','".$return."','".$call."','".$hour."','".$min."','".$sec."'".');">'.
  654: 	    $valout.'</a></td></tr></table>';
  655: }
  656: 
  657: sub page_js {
  658: 
  659:     my $selscript=&Apache::loncommon::studentbrowser_javascript();
  660:     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
  661: 
  662:     return(<<ENDJS);
  663: <script type="text/javascript">
  664: 
  665:     function pclose() {
  666:         parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
  667:                  "height=350,width=350,scrollbars=no,menubar=no");
  668:         parmwin.close();
  669:     }
  670: 
  671:     $pjump_def
  672: 
  673:     function psub() {
  674:         pclose();
  675:         if (document.parmform.pres_marker.value!='') {
  676:             document.parmform.action+='#'+document.parmform.pres_marker.value;
  677:             var typedef=new Array();
  678:             typedef=document.parmform.pres_type.value.split('_');
  679:            if (document.parmform.pres_type.value!='') {
  680:             if (typedef[0]=='date') {
  681:                 eval('document.parmform.recent_'+
  682:                      document.parmform.pres_type.value+
  683: 		     '.value=document.parmform.pres_value.value;');
  684:             } else {
  685:                 eval('document.parmform.recent_'+typedef[0]+
  686: 		     '.value=document.parmform.pres_value.value;');
  687:             }
  688: 	   }
  689:             document.parmform.submit();
  690:         } else {
  691:             document.parmform.pres_value.value='';
  692:             document.parmform.pres_marker.value='';
  693:         }
  694:     }
  695: 
  696:     function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
  697:         var options = "width=" + w + ",height=" + h + ",";
  698:         options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
  699:         options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
  700:         var newWin = window.open(url, wdwName, options);
  701:         newWin.focus();
  702:     }
  703: </script>
  704: $selscript
  705: ENDJS
  706: 
  707: }
  708: sub startpage {
  709:     my ($r) = @_;
  710: 
  711:     my %loaditems = ('onunload' => "pclose()",
  712: 		     'onload'   => "group_or_section('cgroup')",);
  713: 
  714:     my $start_page = 
  715: 	&Apache::loncommon::start_page('Set/Modify Course Parameters',
  716: 				       &page_js(),
  717: 				       {'add_entries' => \%loaditems,});
  718:     my $breadcrumbs = 
  719: 	&Apache::lonhtmlcommon::breadcrumbs('Table Mode Parameter Setting','Table_Mode');
  720:     $r->print(<<ENDHEAD);
  721: $start_page
  722: $breadcrumbs
  723: <form method="post" action="/adm/parmset?action=settable" name="parmform">
  724: <input type="hidden" value='' name="pres_value" />
  725: <input type="hidden" value='' name="pres_type" />
  726: <input type="hidden" value='' name="pres_marker" />
  727: <input type="hidden" value='1' name="prevvisit" />
  728: ENDHEAD
  729: }
  730: 
  731: 
  732: sub print_row {
  733:     my ($r,$which,$part,$name,$symbp,$rid,$default,$defaulttype,$display,$defbgone,
  734: 	$defbgtwo,$defbgthree,$parmlev,$uname,$udom,$csec,$cgroup,$usersgroups)=@_;
  735:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  736:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  737:     my $courseopt=&Apache::lonnet::get_courseresdata($cnum,$cdom);
  738: # get the values for the parameter in cascading order
  739: # empty levels will remain empty
  740:     my ($result,@outpar)=&parmval($$part{$which}.'.'.$$name{$which},
  741: 	  $rid,$$default{$which},$uname,$udom,$csec,$cgroup,$courseopt);
  742: # get the type for the parameters
  743: # problem: these may not be set for all levels
  744:     my ($typeresult,@typeoutpar)=&parmval($$part{$which}.'.'.
  745:                                           $$name{$which}.'.type',$rid,
  746: 		 $$defaulttype{$which},$uname,$udom,$csec,$cgroup,$courseopt);
  747: # cascade down manually
  748:     my $cascadetype=$$defaulttype{$which};
  749:     for (my $i=14;$i>0;$i--) {
  750: 	 if ($typeoutpar[$i]) { 
  751:             $cascadetype=$typeoutpar[$i];
  752: 	} else {
  753:             $typeoutpar[$i]=$cascadetype;
  754:         }
  755:     }
  756:     my $parm=$$display{$which};
  757: 
  758:     if ($parmlev eq 'full') {
  759:         $r->print('<td bgcolor='.$defbgtwo.' align="center">'
  760:                   .$$part{$which}.'</td>');
  761:     } else {    
  762:         $parm=~s|\[.*\]\s||g;
  763:     }
  764:     my $automatic=&rulescache(($which=~/\_([^\_]+)$/)[0].'_triggers');
  765:     if ($automatic) {
  766: 	$parm.='<span class="LC_warning"><br />'.&mt('Automatically sets').' '.join(', ',split(/\:/,$automatic)).'</span>';
  767:     }
  768:     $r->print('<td bgcolor='.$defbgone.'>'.$parm.'</td>');
  769:    
  770:     my $thismarker=$which;
  771:     $thismarker=~s/^parameter\_//;
  772:     my $mprefix=$rid.'&'.$thismarker.'&';
  773:     my $effective_parm = &valout($outpar[$result],$typeoutpar[$result]);
  774:     my ($othergrp,$grp_parm,$controlgrp);
  775: 
  776:     if ($parmlev eq 'general') {
  777: 
  778:         if ($uname) {
  779:             &print_td($r,3,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  780:         } elsif ($cgroup) {
  781:             &print_td($r,6,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  782:         } elsif ($csec) {
  783:             &print_td($r,9,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display); 
  784:         } else {
  785:             &print_td($r,14,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display); 
  786:         }
  787:     } elsif ($parmlev eq 'map') {
  788: 
  789:         if ($uname) {
  790:             &print_td($r,2,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  791:         } elsif ($cgroup) {
  792:             &print_td($r,5,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  793:         } elsif ($csec) {
  794:             &print_td($r,8,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  795:         } else {
  796:             &print_td($r,13,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  797:         }
  798:     } else {
  799:         if ($uname) {
  800:             if (@{$usersgroups} > 1) {
  801:                 my ($coursereply,$grp_parm,$controlgrp);
  802:                 ($coursereply,$othergrp,$grp_parm,$controlgrp) =
  803:                     &print_usergroups($r,$$part{$which}.'.'.$$name{$which},
  804:                        $rid,$cgroup,$defbgone,$usersgroups,$result,$courseopt);
  805:                 if ($coursereply && $result > 3) {
  806:                     if (defined($controlgrp)) {
  807:                         if ($cgroup ne $controlgrp) {
  808:                             $effective_parm = $grp_parm;
  809:                             $result = 0;
  810:                         }
  811:                     }
  812:                 }
  813:             }
  814:         }
  815: 
  816:         &print_td($r,14,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  817: 
  818: 	&print_td($r,13,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  819: 	&print_td($r,12,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  820: 	&print_td($r,11,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  821: 	&print_td($r,10,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  822: 	
  823: 	if ($csec) {
  824: 	    &print_td($r,9,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  825: 	    &print_td($r,8,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  826: 	    &print_td($r,7,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  827: 	}
  828: 
  829:         if ($cgroup) {
  830:             &print_td($r,6,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  831:             &print_td($r,5,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  832:             &print_td($r,4,$defbgthree,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  833:         }
  834:      
  835: 	if ($uname) {
  836:             if ($othergrp) {
  837:                 $r->print($othergrp);
  838:             }
  839: 	    &print_td($r,3,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  840: 	    &print_td($r,2,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  841: 	    &print_td($r,1,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  842: 	}
  843: 
  844:     } # end of $parmlev if/else
  845:     $r->print('<td bgcolor="#CCCCFF" align="center">'.$effective_parm.'</td>');
  846: 
  847:     if ($parmlev eq 'full') {
  848:         my $sessionval=&Apache::lonnet::EXT('resource.'.$$part{$which}.
  849:                                         '.'.$$name{$which},$$symbp{$rid});
  850:         my $sessionvaltype=$typeoutpar[$result];
  851:         if (!defined($sessionvaltype)) { $sessionvaltype=$$defaulttype{$which}; }
  852:         $r->print('<td bgcolor="#999999" align="center"><font color="#FFFFFF">'.
  853:                   &valout($sessionval,$sessionvaltype).'&nbsp;'.
  854:                   '</font></td>');
  855:     }
  856:     $r->print('</tr>');
  857:     $r->print("\n");
  858: }
  859: 
  860: sub print_td {
  861:     my ($r,$which,$defbg,$result,$outpar,$mprefix,$value,$typeoutpar,$display)=@_;
  862:     $r->print('<td bgcolor='.(($result==$which)?'"#AAFFAA"':$defbg).
  863:               ' align="center">');
  864:     if ($which<11 || $which > 12) {
  865: 	$r->print(&plink($$typeoutpar[$which],
  866: 			 $$display{$value},$$outpar[$which],
  867: 			 $mprefix."$which",'parmform.pres','psub'));
  868:     } else {
  869: 	$r->print(&valout($$outpar[$which],$$typeoutpar[$which]));
  870:     }
  871:     $r->print('</td>'."\n");
  872: }
  873: 
  874: sub print_usergroups {
  875:     my ($r,$what,$rid,$cgroup,$defbg,$usersgroups,$result,$courseopt) = @_;
  876:     my $courseid = $env{'request.course.id'};
  877:     my $output;
  878:     my $symb = &symbcache($rid);
  879:     my $symbparm=$symb.'.'.$what;
  880:     my $map=(&Apache::lonnet::decode_symb($symb))[0];
  881:     my $mapparm=$map.'___(all).'.$what;
  882:     my ($coursereply,$resultitem,$resultgroup,$resultlevel,$resulttype) =
  883:           &parm_control_group($courseid,$usersgroups,$symbparm,$mapparm,$what,
  884:                                                                    $courseopt);
  885:     my $bgcolor = $defbg;
  886:     my $grp_parm;
  887:     if (($coursereply) && ($cgroup ne $resultgroup)) { 
  888:         if ($result > 3) {
  889:             $bgcolor = '"#AAFFAA"';
  890:             $grp_parm = &valout($coursereply,$resulttype);
  891:         }
  892:         $grp_parm = &valout($coursereply,$resulttype);
  893:         $output = '<td bgcolor='.$bgcolor.' align="center">';
  894:         if ($resultgroup && $resultlevel) {
  895:             $output .= '<small><b>'.$resultgroup.'</b> ('.$resultlevel.'): </small>'.$grp_parm;
  896:         } else {
  897:             $output .= '&nbsp;';
  898:         }
  899:         $output .= '</td>';
  900:     } else {
  901:         $output .= '<td bgcolor='.$bgcolor.'>&nbsp;</td>';
  902:     }
  903:     return ($coursereply,$output,$grp_parm,$resultgroup);
  904: }
  905: 
  906: sub parm_control_group {
  907:     my ($courseid,$usersgroups,$symbparm,$mapparm,$what,$courseopt) = @_;
  908:     my ($coursereply,$resultitem,$resultgroup,$resultlevel,$resulttype);
  909:     my $grpfound = 0;
  910:     my @levels = ($symbparm,$mapparm,$what);
  911:     my @levelnames = ('resource','map/folder','general');
  912:     foreach my $group (@{$usersgroups}) {
  913:         if ($grpfound) { last; }
  914:         for (my $i=0; $i<@levels; $i++) {
  915:             my $item = $courseid.'.['.$group.'].'.$levels[$i];
  916:             if (defined($$courseopt{$item})) {
  917:                 $coursereply = $$courseopt{$item};
  918:                 $resultitem = $item;
  919:                 $resultgroup = $group;
  920:                 $resultlevel = $levelnames[$i];
  921:                 $resulttype = $$courseopt{$item.'.type'};
  922:                 $grpfound = 1;
  923:                 last;
  924:             }
  925:         }
  926:     }
  927:     return($coursereply,$resultitem,$resultgroup,$resultlevel,$resulttype);
  928: }
  929: 
  930: =pod
  931: 
  932: =item B<extractResourceInformation>: Given the course data hash, extractResourceInformation extracts lots of information about the course's resources into a variety of hashes.
  933: 
  934: Input: See list below:
  935: 
  936: =over 4
  937: 
  938: =item B<ids>: An array that will contain all of the ids in the course.
  939: 
  940: =item B<typep>: hash, id->type, where "type" contains the extension of the file, thus, I<problem exam quiz assess survey form>.
  941: 
  942: =item B<keyp>: hash, id->key list, will contain a comma separated list of the meta-data keys available for the given id
  943: 
  944: =item B<allparms>: hash, name of parameter->display value (what is the display value?)
  945: 
  946: =item B<allparts>: hash, part identification->text representation of part, where the text representation is "[Part $part]"
  947: 
  948: =item B<allkeys>: hash, full key to part->display value (what's display value?)
  949: 
  950: =item B<allmaps>: hash, ???
  951: 
  952: =item B<fcat>: ???
  953: 
  954: =item B<defp>: hash, ???
  955: 
  956: =item B<mapp>: ??
  957: 
  958: =item B<symbp>: hash, id->full sym?
  959: 
  960: =back
  961: 
  962: =cut
  963: 
  964: sub extractResourceInformation {
  965:     my $ids = shift;
  966:     my $typep = shift;
  967:     my $keyp = shift;
  968:     my $allparms = shift;
  969:     my $allparts = shift;
  970:     my $allmaps = shift;
  971:     my $mapp = shift;
  972:     my $symbp = shift;
  973:     my $maptitles=shift;
  974:     my $uris=shift;
  975:     my $keyorder=shift;
  976:     my $defkeytype=shift;
  977: 
  978:     my $keyordercnt=100;
  979: 
  980:     my $navmap = Apache::lonnavmaps::navmap->new();
  981:     my @allres=$navmap->retrieveResources(undef,undef,1,undef,1);
  982:     foreach my $resource (@allres) {
  983: 	my $id=$resource->id();
  984:         my ($mapid,$resid)=split(/\./,$id);
  985: 	if ($mapid eq '0') { next; }
  986: 	$$ids[$#$ids+1]=$id;
  987: 	my $srcf=$resource->src();
  988: 	$srcf=~/\.(\w+)$/;
  989: 	$$typep{$id}=$1;
  990: 	$$keyp{$id}='';
  991:         $$uris{$id}=$srcf;
  992: 	foreach my $key (split(/\,/,&Apache::lonnet::metadata($srcf,'allpossiblekeys'))) {
  993: 	    next if ($key!~/^parameter_/);
  994: 
  995: # Hidden parameters
  996: 	    next if (&Apache::lonnet::metadata($srcf,$key.'.hidden') eq 'parm');
  997: #
  998: # allparms is a hash of parameter names
  999: #
 1000: 	    my $name=&Apache::lonnet::metadata($srcf,$key.'.name');
 1001: 	    if (!exists($$allparms{$name}) || $$allparms{$name} =~ m/^\s*$/ ) {
 1002: 		my $display= &Apache::lonnet::metadata($srcf,$key.'.display');
 1003: 		my $parmdis = $display;
 1004: 		$parmdis =~ s/\s*\[Part.*$//g;
 1005: 		$$allparms{$name}=$parmdis;
 1006: 		if (ref($defkeytype)) {
 1007: 		    $$defkeytype{$name}=
 1008: 			&Apache::lonnet::metadata($srcf,$key.'.type');
 1009: 		}
 1010: 	    }
 1011: 
 1012: #
 1013: # allparts is a hash of all parts
 1014: #
 1015: 	    my $part= &Apache::lonnet::metadata($srcf,$key.'.part');
 1016: 	    $$allparts{$part} = &mt('Part: [_1]',$part);
 1017: #
 1018: # Remember all keys going with this resource
 1019: #
 1020: 	    if ($$keyp{$id}) {
 1021: 		$$keyp{$id}.=','.$key;
 1022: 	    } else {
 1023: 		$$keyp{$id}=$key;
 1024: 	    }
 1025: #
 1026: # Put in order
 1027: # 
 1028: 	    unless ($$keyorder{$key}) {
 1029: 		$$keyorder{$key}=$keyordercnt;
 1030: 		$keyordercnt++;
 1031: 	    }
 1032: 	}
 1033: 
 1034: 	
 1035: 	if (!exists($$mapp{$mapid})) {
 1036: 	    $$mapp{$id}=
 1037: 		&Apache::lonnet::declutter($resource->enclosing_map_src());
 1038: 	    $$mapp{$mapid}=$$mapp{$id};
 1039: 	    $$allmaps{$mapid}=$$mapp{$id};
 1040: 	    if ($mapid eq '1') {
 1041: 		$$maptitles{$mapid}=&mt('Main Course Documents');
 1042: 	    } else {
 1043: 		$$maptitles{$mapid}=
 1044: 		    &Apache::lonnet::gettitle($$mapp{$id});    
 1045: 	    }
 1046: 	    $$maptitles{$$mapp{$id}}=$$maptitles{$mapid};
 1047: 	    $$symbp{$mapid}=$$mapp{$id}.'___(all)';
 1048: 	} else {
 1049: 	    $$mapp{$id} = $$mapp{$mapid};
 1050: 	}
 1051: 	$$symbp{$id}=&Apache::lonnet::encode_symb($$mapp{$id},$resid,$srcf);
 1052:     }
 1053: }
 1054: 
 1055: 
 1056: ##################################################
 1057: ##################################################
 1058: 
 1059: sub isdateparm {
 1060:     my $type=shift;
 1061:     return (($type=~/^date/) && (!($type eq 'date_interval')));
 1062: }
 1063: 
 1064: sub parmmenu {
 1065:     my ($r,$allparms,$pscat,$keyorder)=@_;
 1066:     my $tempkey;
 1067:     $r->print(<<ENDSCRIPT);
 1068: <script type="text/javascript">
 1069:     function checkall(value, checkName) {
 1070: 	for (i=0; i<document.forms.parmform.elements.length; i++) {
 1071:             ele = document.forms.parmform.elements[i];
 1072:             if (ele.name == checkName) {
 1073:                 document.forms.parmform.elements[i].checked=value;
 1074:             }
 1075:         }
 1076:     }
 1077: 
 1078:     function checkthis(thisvalue, checkName) {
 1079: 	for (i=0; i<document.forms.parmform.elements.length; i++) {
 1080:             ele = document.forms.parmform.elements[i];
 1081:             if (ele.name == checkName) {
 1082: 		if (ele.value == thisvalue) {
 1083: 		    document.forms.parmform.elements[i].checked=true;
 1084: 		}
 1085:             }
 1086:         }
 1087:     }
 1088: 
 1089:     function checkdates() {
 1090: 	checkthis('duedate','pscat');
 1091:  	checkthis('opendate','pscat');
 1092: 	checkthis('answerdate','pscat');
 1093:     }
 1094: 
 1095:     function checkdisset() {
 1096: 	checkthis('discussend','pscat');
 1097:  	checkthis('discusshide','pscat');
 1098:     }
 1099: 
 1100:     function checkcontdates() {
 1101: 	checkthis('contentopen','pscat');
 1102:  	checkthis('contentclose','pscat');
 1103:     }
 1104:  
 1105: 
 1106:     function checkvisi() {
 1107: 	checkthis('hiddenresource','pscat');
 1108:  	checkthis('encrypturl','pscat');
 1109: 	checkthis('problemstatus','pscat');
 1110: 	checkthis('contentopen','pscat');
 1111: 	checkthis('opendate','pscat');
 1112:     }
 1113: 
 1114:     function checkparts() {
 1115: 	checkthis('hiddenparts','pscat');
 1116: 	checkthis('display','pscat');
 1117: 	checkthis('ordered','pscat');
 1118:     }
 1119: 
 1120:     function checkstandard() {
 1121:         checkall(false,'pscat');
 1122: 	checkdates();
 1123: 	checkthis('weight','pscat');
 1124: 	checkthis('maxtries','pscat');
 1125:     }
 1126: 
 1127: </script>
 1128: ENDSCRIPT
 1129:     $r->print();
 1130:     $r->print("\n<table id=\"LC_parm_overview_parm_menu\"><tr>");
 1131:     my $cnt=0;
 1132:     foreach $tempkey (&keysindisplayorder($allparms,$keyorder)) {
 1133: 	$r->print("\n<td><label><input type='checkbox' name='pscat' ");
 1134: 	$r->print('value="'.$tempkey.'"');
 1135: 	if ($$pscat[0] eq "all" || grep $_ eq $tempkey, @{$pscat}) {
 1136: 	    $r->print(' checked');
 1137: 	}
 1138: 	$r->print('>'.($$allparms{$tempkey}=~/\S/ ? &mt($$allparms{$tempkey})
 1139: 		                                  : &mt($tempkey))
 1140: 		  .'</label></td>');
 1141:  	$cnt++;
 1142:         if ($cnt==3) {
 1143: 	    $r->print("</tr>\n<tr>");
 1144: 	    $cnt=0;
 1145: 	}
 1146:     }
 1147:     $r->print('</tr>'
 1148:              .'<tr id=\"LC_parm_overview_parm_menu_selectors\">'
 1149:              .'<td valign="top">'
 1150:              .'<fieldset><legend><b>'.&mt('Parameter Selection').'</b></legend>'
 1151:              .'<span class="LC_nobreak">'
 1152:              .'&bull; <a href="javascript:checkall(true, \'pscat\')">'.&mt('Select All').'</a>'
 1153:              .'</span>'
 1154:              .'<br />'
 1155:              .'<span class="LC_nobreak">'
 1156:              .'&bull; <a href="javascript:checkstandard()">'.&mt('Select Common Only').'</a>'
 1157:              .'</span>'
 1158:              .'<br />'
 1159:              .'<span class="LC_nobreak">'
 1160:              .'&bull; <a href="javascript:checkall(false, \'pscat\')">'.&mt('Unselect All').'</a>'
 1161:              .'</span>'
 1162:              .'</fieldset>'
 1163:              .'</td>'
 1164:              .'<td colspan="2" valign="top">'
 1165:              .'<fieldset><legend><b>'.&mt('Add Selection for...').'</b></legend>'
 1166:              .'<span class="LC_nobreak">'
 1167:              .'&bull; <a href="javascript:checkdates()">'.&mt('Problem Dates').'</a>'
 1168:              .'</span>'
 1169:              .'<span class="LC_nobreak">'
 1170:              .' &bull; <a href="javascript:checkcontdates()">'.&mt('Content Dates').'</a>'
 1171:              .'</span>'
 1172: #            .'<br />'
 1173:              .'<span class="LC_nobreak">'
 1174:              .' &bull; <a href="javascript:checkdisset()">'.&mt('Discussion Settings').'</a>'
 1175:              .'</span>'
 1176:              .'<span class="LC_nobreak">'
 1177:              .' &bull; <a href="javascript:checkvisi()">'.&mt('Visibilities').'</a>'
 1178:              .'</span>'
 1179: #            .'<br />'
 1180:              .'<span class="LC_nobreak">'
 1181:              .' &bull; <a href="javascript:checkparts()">'.&mt('Part Parameters').'</a>'
 1182:              .'</span>'
 1183:              .'</fieldset>'
 1184:              .'</td>'
 1185:              .'</tr></table>'
 1186:     );
 1187: }
 1188: 
 1189: sub partmenu {
 1190:     my ($r,$allparts,$psprt)=@_;
 1191:     $r->print('<select multiple name="psprt" size="8">');
 1192:     $r->print('<option value="all"');
 1193:     $r->print(' selected="selected"') unless (@{$psprt});
 1194:     $r->print('>'.&mt('All Parts').'</option>');
 1195:     my %temphash=();
 1196:     foreach (@{$psprt}) { $temphash{$_}=1; }
 1197:     foreach my $tempkey (sort {
 1198: 	if ($a==$b) { return ($a cmp $b) } else { return ($a <=> $b); }
 1199:     } keys(%{$allparts})) {
 1200: 	unless ($tempkey =~ /\./) {
 1201: 	    $r->print('<option value="'.$tempkey.'"');
 1202: 	    if ($$psprt[0] eq "all" ||  $temphash{$tempkey}) {
 1203: 		$r->print(' selected="selected"');
 1204: 	    }
 1205: 	    $r->print('>'.$$allparts{$tempkey}.'</option>');
 1206: 	}
 1207:     }
 1208:     $r->print('</select>');
 1209: }
 1210: 
 1211: sub usermenu {
 1212:     my ($r,$uname,$id,$udom,$csec,$cgroup,$parmlev,$usersgroups)=@_;
 1213:     my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
 1214:         &Apache::loncommon::selectstudent_link('parmform','uname','udom');
 1215:     my $selscript=&Apache::loncommon::studentbrowser_javascript();
 1216: 
 1217:     my $sections='';
 1218:     my %sectionhash = &Apache::loncommon::get_sections();
 1219: 
 1220:     my $groups;
 1221:     my %grouphash = &Apache::longroup::coursegroups();
 1222: 
 1223:     my $g_s_header='';
 1224:     my $g_s_footer='';
 1225: 
 1226:     if (%sectionhash) {
 1227:         $sections=&mt('Section:').' <select name="csec"';
 1228:         if (%grouphash && $parmlev ne 'full') {
 1229:             $sections .= qq| onchange="group_or_section('csec')" |;
 1230:         }
 1231:         $sections .= '>';
 1232: 	foreach my $section ('',sort keys %sectionhash) {
 1233: 	    $sections.='<option value="'.$section.'" '.
 1234: 		($section eq $csec?'selected="selected"':'').'>'.$section.
 1235:                                                               '</option>';
 1236:         }
 1237:         $sections.='</select>';
 1238:     }
 1239: 
 1240:     if (%sectionhash && %grouphash && $parmlev ne 'full') {
 1241:         $sections .= '&nbsp;'.&mt('or').'&nbsp;';
 1242:         $sections .= qq|
 1243: <script type="text/javascript">
 1244: function group_or_section(caller) {
 1245:    if (caller == "cgroup") {
 1246:        if (document.parmform.cgroup.selectedIndex != 0) {
 1247:            document.parmform.csec.selectedIndex = 0;
 1248:        }
 1249:    } else {
 1250:        if (document.parmform.csec.selectedIndex != 0) {
 1251:            document.parmform.cgroup.selectedIndex = 0;
 1252:        }
 1253:    }
 1254: }
 1255: </script>
 1256: |;
 1257:     } else {
 1258:         $sections .= qq|
 1259: <script type="text/javascript">
 1260: function group_or_section(caller) {
 1261:     return;
 1262: }
 1263: </script>
 1264: |;
 1265:     } 
 1266: 
 1267:     if (%grouphash) {
 1268:         $groups=&mt('Group:').' <select name="cgroup"';
 1269:         if (%sectionhash && $env{'form.action'} eq 'settable') {
 1270:             $groups .= qq| onchange="group_or_section('cgroup')" |;
 1271:         }
 1272:         $groups .= '>';
 1273:         foreach my $grp ('',sort keys %grouphash) {
 1274:             $groups.='<option value="'.$grp.'" ';
 1275:             if ($grp eq $cgroup) {
 1276:                 unless ((defined($uname)) && ($grp eq '')) {
 1277:                     $groups .=  'selected="selected" ';
 1278:                 }
 1279:             } elsif (!defined($cgroup)) {
 1280:                 if (@{$usersgroups} == 1) {
 1281:                     if ($grp eq $$usersgroups[0]) {
 1282:                         $groups .=  'selected="selected" ';
 1283:                     }
 1284:                 }
 1285:             }
 1286:             $groups .= '>'.$grp.'</option>';
 1287:         }
 1288:         $groups.='</select>';
 1289:     }
 1290: 
 1291:     if (%sectionhash || %grouphash) {
 1292:         $g_s_header='<fieldset><legend>'.&mt('Group/Section').'</legend><div>';
 1293:         $g_s_footer='</div></fieldset>';
 1294:     }
 1295: 
 1296:     $r->print('<b>'
 1297:              .$g_s_header
 1298:              .$sections
 1299:              .$groups
 1300:              .$g_s_footer
 1301:              .'<fieldset><legend>'.&mt('User').'</legend><div>'
 1302:              .&mt('For User [_1] or Student/Employee ID [_2] at Domain [_3]'
 1303:                  ,'<input type="text" value="'.$uname.'" size="12" name="uname" />'
 1304:                  ,'<input type="text" value="'.$id.'" size="12" name="id" /> '
 1305:                  ,$chooseopt)
 1306:              .'</div></fieldset>'
 1307:              .'</b>'
 1308:     );
 1309: }
 1310: 
 1311: sub displaymenu {
 1312:     my ($r,$allparms,$allparts,$pscat,$psprt,$keyorder)=@_;
 1313:     $r->print('<table border="1"><tr><th>'.&mt('Select Parameters to View').'</th><th>'.
 1314: 	     &mt('Select Parts to View').'</th></tr><tr><td>');  
 1315:     &parmmenu($r,$allparms,$pscat,$keyorder);
 1316:     $r->print('</td><td valign="top" align="center">');
 1317:     &partmenu($r,$allparts,$psprt);
 1318:     $r->print('</td></tr></table>');
 1319: }
 1320: 
 1321: sub mapmenu {
 1322:     my ($r,$allmaps,$pschp,$maptitles)=@_;
 1323:     $r->print('<b>'.&mt('Select Enclosing Map or Folder').'</b> ');
 1324:     $r->print('<select name="pschp">');
 1325:     $r->print('<option value="all">'.&mt('All Maps or Folders').'</option>');
 1326:     foreach (sort {$$allmaps{$a} cmp $$allmaps{$b}} keys %{$allmaps}) {
 1327: 	$r->print('<option value="'.$_.'"');
 1328: 	if (($pschp eq $_)) { $r->print(' selected="selected"'); }
 1329: 	$r->print('>'.$$maptitles{$_}.($$allmaps{$_}!~/^uploaded/?' ['.$$allmaps{$_}.']':'').'</option>');
 1330:     }
 1331:     $r->print("</select>");
 1332: }
 1333: 
 1334: sub levelmenu {
 1335:     my ($r,$alllevs,$parmlev)=@_;
 1336:     $r->print('<b>'.&mt('Select Parameter Level').
 1337: 	      &Apache::loncommon::help_open_topic('Course_Parameter_Levels').'</b> ');
 1338:     $r->print('<select name="parmlev">');
 1339:     foreach (reverse sort keys %{$alllevs}) {
 1340: 	$r->print('<option value="'.$$alllevs{$_}.'"');
 1341: 	if ($parmlev eq $$alllevs{$_}) {
 1342: 	    $r->print(' selected="selected"'); 
 1343: 	}
 1344: 	$r->print('>'.&mt($_).'</option>');
 1345:     }
 1346:     $r->print("</select>");
 1347: }
 1348: 
 1349: 
 1350: sub sectionmenu {
 1351:     my ($r,$selectedsections)=@_;
 1352:     my %sectionhash = &Apache::loncommon::get_sections();
 1353:     return if (!%sectionhash);
 1354: 
 1355:     $r->print('<select name="Section" multiple="true" size="8" >');
 1356:     foreach my $s ('all',sort keys %sectionhash) {
 1357: 	$r->print('    <option value="'.$s.'"');
 1358: 	foreach (@{$selectedsections}) {
 1359: 	    if ($s eq $_) {
 1360: 		$r->print(' selected="selected"');
 1361: 		last;
 1362: 	    }
 1363: 	}
 1364: 	$r->print('>'.$s."</option>\n");
 1365:     }
 1366:     $r->print("</select>\n");
 1367: }
 1368: 
 1369: sub groupmenu {
 1370:     my ($r,$selectedgroups)=@_;
 1371:     my %grouphash = &Apache::longroup::coursegroups();
 1372:     return if (!%grouphash);
 1373: 
 1374:     $r->print('<select name="Group" multiple="true" size="8" >');
 1375:     foreach my $group (sort(keys(%grouphash))) {
 1376: 	$r->print('    <option value="'.$group.'"');
 1377: 	foreach (@{$selectedgroups}) {
 1378: 	    if ($group eq $_) {
 1379: 		$r->print(' selected="selected"');
 1380: 		last;
 1381: 	    }
 1382: 	}
 1383: 	$r->print('>'.$group."</option>\n");
 1384:     }
 1385:     $r->print("</select>\n");
 1386: }
 1387: 
 1388: 
 1389: sub keysplit {
 1390:     my $keyp=shift;
 1391:     return (split(/\,/,$keyp));
 1392: }
 1393: 
 1394: sub keysinorder {
 1395:     my ($name,$keyorder)=@_;
 1396:     return sort {
 1397: 	$$keyorder{$a} <=> $$keyorder{$b};
 1398:     } (keys %{$name});
 1399: }
 1400: 
 1401: sub keysinorder_bytype {
 1402:     my ($name,$keyorder)=@_;
 1403:     return sort {
 1404: 	my $ta=(split('_',$a))[-1];
 1405: 	my $tb=(split('_',$b))[-1];
 1406: 	if ($$keyorder{'parameter_0_'.$ta} == $$keyorder{'parameter_0_'.$tb}) {
 1407: 	    return ($a cmp $b);
 1408: 	}
 1409: 	$$keyorder{'parameter_0_'.$ta} <=> $$keyorder{'parameter_0_'.$tb};
 1410:     } (keys %{$name});
 1411: }
 1412: 
 1413: sub keysindisplayorder {
 1414:     my ($name,$keyorder)=@_;
 1415:     return sort {
 1416: 	$$keyorder{'parameter_0_'.$a} <=> $$keyorder{'parameter_0_'.$b};
 1417:     } (keys %{$name});
 1418: }
 1419: 
 1420: sub sortmenu {
 1421:     my ($r,$sortorder)=@_;
 1422:     $r->print('<br /><label><input type="radio" name="sortorder" value="realmstudent"');
 1423:     if ($sortorder eq 'realmstudent') {
 1424:        $r->print(' checked="on"');
 1425:     }
 1426:     $r->print(' />'.&mt('Sort by realm first, then student (group/section)'));
 1427:     $r->print('</label><br /><label><input type="radio" name="sortorder" value="studentrealm"');
 1428:     if ($sortorder eq 'studentrealm') {
 1429:        $r->print(' checked="on"');
 1430:     }
 1431:     $r->print(' />'.&mt('Sort by student (group/section) first, then realm').
 1432: 	      '</label>');
 1433: }
 1434: 
 1435: sub standardkeyorder {
 1436:     return ('parameter_0_opendate' => 1,
 1437: 	    'parameter_0_duedate' => 2,
 1438: 	    'parameter_0_answerdate' => 3,
 1439: 	    'parameter_0_interval' => 4,
 1440: 	    'parameter_0_weight' => 5,
 1441: 	    'parameter_0_maxtries' => 6,
 1442: 	    'parameter_0_hinttries' => 7,
 1443: 	    'parameter_0_contentopen' => 8,
 1444: 	    'parameter_0_contentclose' => 9,
 1445: 	    'parameter_0_type' => 10,
 1446: 	    'parameter_0_problemstatus' => 11,
 1447: 	    'parameter_0_hiddenresource' => 12,
 1448: 	    'parameter_0_hiddenparts' => 13,
 1449: 	    'parameter_0_display' => 14,
 1450: 	    'parameter_0_ordered' => 15,
 1451: 	    'parameter_0_tol' => 16,
 1452: 	    'parameter_0_sig' => 17,
 1453: 	    'parameter_0_turnoffunit' => 18,
 1454:             'parameter_0_discussend' => 19,
 1455:             'parameter_0_discusshide' => 20);
 1456: }
 1457: 
 1458: ##################################################
 1459: ##################################################
 1460: 
 1461: =pod
 1462: 
 1463: =item assessparms
 1464: 
 1465: Show assessment data and parameters.  This is a large routine that should
 1466: be simplified and shortened... someday.
 1467: 
 1468: Inputs: $r
 1469: 
 1470: Returns: nothing
 1471: 
 1472: Variables used (guessed by Jeremy):
 1473: 
 1474: =over 4
 1475: 
 1476: =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.
 1477: 
 1478: =item B<psprt>: ParameterS PaRTs? a list of the parts of a problem that we are displaying? Used to display only selected parts?
 1479: 
 1480: =item B<allmaps>:
 1481: 
 1482: =back
 1483: 
 1484: =cut
 1485: 
 1486: ##################################################
 1487: ##################################################
 1488: sub assessparms {
 1489: 
 1490:     my $r=shift;
 1491: 
 1492:     my @ids=();
 1493:     my %symbp=();
 1494:     my %mapp=();
 1495:     my %typep=();
 1496:     my %keyp=();
 1497:     my %uris=();
 1498:     my %maptitles=();
 1499: 
 1500: # -------------------------------------------------------- Variable declaration
 1501: 
 1502:     my %allmaps=();
 1503:     my %alllevs=();
 1504: 
 1505:     my $uname;
 1506:     my $udom;
 1507:     my $uhome;
 1508:     my $csec;
 1509:     my $cgroup;
 1510:     my @usersgroups = ();
 1511:  
 1512:     my $coursename=$env{'course.'.$env{'request.course.id'}.'.description'};
 1513: 
 1514:     $alllevs{'Resource Level'}='full';
 1515:     $alllevs{'Map/Folder Level'}='map';
 1516:     $alllevs{'Course Level'}='general';
 1517: 
 1518:     my %allparms;
 1519:     my %allparts;
 1520: #
 1521: # Order in which these parameters will be displayed
 1522: #
 1523:     my %keyorder=&standardkeyorder();
 1524: 
 1525:     @ids=();
 1526:     %symbp=();
 1527:     %typep=();
 1528: 
 1529:     my $message='';
 1530: 
 1531:     $csec=$env{'form.csec'};
 1532:     $cgroup=$env{'form.cgroup'};
 1533: 
 1534:     if      ($udom=$env{'form.udom'}) {
 1535:     } elsif ($udom=$env{'request.role.domain'}) {
 1536:     } elsif ($udom=$env{'user.domain'}) {
 1537:     } else {
 1538: 	$udom=$r->dir_config('lonDefDomain');
 1539:     }
 1540: 
 1541:     my @pscat=&Apache::loncommon::get_env_multiple('form.pscat');
 1542:     my $pschp=$env{'form.pschp'};
 1543:     my @psprt=&Apache::loncommon::get_env_multiple('form.psprt');
 1544:     if (!@psprt) { $psprt[0]='0'; }
 1545: 
 1546:     my $pssymb='';
 1547:     my $parmlev='';
 1548:  
 1549:     unless ($env{'form.parmlev'}) {
 1550:         $parmlev = 'map';
 1551:     } else {
 1552:         $parmlev = $env{'form.parmlev'};
 1553:     }
 1554: 
 1555: # ----------------------------------------------- Was this started from grades?
 1556: 
 1557:     if (($env{'form.command'} eq 'set') && ($env{'form.url'})
 1558: 	&& (!$env{'form.dis'})) {
 1559: 	my $url=$env{'form.url'};
 1560: 	$url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
 1561: 	$pssymb=&Apache::lonnet::symbread($url);
 1562: 	if (!@pscat) { @pscat=('all'); }
 1563: 	$pschp='';
 1564:         $parmlev = 'full';
 1565:     } elsif ($env{'form.symb'}) {
 1566: 	$pssymb=$env{'form.symb'};
 1567: 	if (!@pscat) { @pscat=('all'); }
 1568: 	$pschp='';
 1569:         $parmlev = 'full';
 1570:     } else {
 1571: 	$env{'form.url'}='';
 1572:     }
 1573: 
 1574:     my $id=$env{'form.id'};
 1575:     if (($id) && ($udom)) {
 1576: 	$uname=(&Apache::lonnet::idget($udom,$id))[1];
 1577: 	if ($uname) {
 1578: 	    $id='';
 1579: 	} else {
 1580: 	    $message=
 1581: 		'<span class="LC_error">'.&mt("Unknown ID")." '$id' ".
 1582: 		&mt('at domain')." '$udom'</span>";
 1583: 	}
 1584:     } else {
 1585: 	$uname=$env{'form.uname'};
 1586:     }
 1587:     unless ($udom) { $uname=''; }
 1588:     $uhome='';
 1589:     if ($uname) {
 1590: 	$uhome=&Apache::lonnet::homeserver($uname,$udom);
 1591:         if ($uhome eq 'no_host') {
 1592: 	    $message=
 1593: 		'<span class="LC_error">'.&mt("Unknown user")." '$uname' ".
 1594: 		&mt("at domain")." '$udom'</span>";
 1595: 	    $uname='';
 1596:         } else {
 1597: 	    $csec=&Apache::lonnet::getsection($udom,$uname,
 1598: 					      $env{'request.course.id'});
 1599:             
 1600: 	    if ($csec eq '-1') {
 1601: 		$message='<span class="LC_error">'.
 1602: 		    &mt("User")." '$uname' ".&mt("at domain")." '$udom' ".
 1603: 		    &mt("not in this course")."</span>";
 1604: 		$uname='';
 1605: 		$csec=$env{'form.csec'};
 1606:                 $cgroup=$env{'form.cgroup'};
 1607: 	    } else {
 1608: 		my %name=&Apache::lonnet::userenvironment($udom,$uname,
 1609: 		      ('firstname','middlename','lastname','generation','id'));
 1610: 		$message="\n<p>\n".&mt("Full Name").": ".
 1611: 		    $name{'firstname'}.' '.$name{'middlename'}.' '
 1612: 			.$name{'lastname'}.' '.$name{'generation'}.
 1613: 			    "<br />\n".&mt('ID').": ".$name{'id'}.'<p>';
 1614: 	    }
 1615:             @usersgroups = &Apache::lonnet::get_users_groups(
 1616:                                        $udom,$uname,$env{'request.course.id'});
 1617:             if (@usersgroups > 0) {
 1618:                 unless (grep(/^\Q$cgroup\E$/,@usersgroups)) {
 1619:                     $cgroup = $usersgroups[0];
 1620:                 }
 1621:             }
 1622:         }
 1623:     }
 1624: 
 1625:     unless ($csec) { $csec=''; }
 1626:     unless ($cgroup) { $cgroup=''; }
 1627: 
 1628: # --------------------------------------------------------- Get all assessments
 1629:     &extractResourceInformation(\@ids, \%typep,\%keyp, \%allparms, \%allparts, \%allmaps, 
 1630: 				\%mapp, \%symbp,\%maptitles,\%uris,
 1631: 				\%keyorder);
 1632: 
 1633:     $mapp{'0.0'} = '';
 1634:     $symbp{'0.0'} = '';
 1635: 
 1636: # ---------------------------------------------------------- Anything to store?
 1637:     if ($env{'form.pres_marker'}) {
 1638:         my @markers=split(/\&\&\&/,$env{'form.pres_marker'});
 1639:         my @values=split(/\&\&\&/,$env{'form.pres_value'});
 1640:         my @types=split(/\&\&\&/,$env{'form.pres_type'});
 1641: 	for (my $i=0;$i<=$#markers;$i++) {
 1642: 	    $message.=&storeparm(split(/\&/,$markers[$i]),
 1643: 				 $values[$i],
 1644: 				 $types[$i],
 1645: 				 $uname,$udom,$csec,$cgroup);
 1646: 	}
 1647: # ---------------------------------------------------------------- Done storing
 1648: 	$message.='<h3>'.&mt('Changes can take up to 10 minutes before being active for all students.').&Apache::loncommon::help_open_topic('Caching').'</h3>';
 1649:     }
 1650: #----------------------------------------------- if all selected, fill in array
 1651:     if ($pscat[0] eq "all") {@pscat = (keys %allparms);}
 1652:     if (!@pscat) { @pscat=('duedate','opendate','answerdate','weight','maxtries') }; 
 1653:     if ($psprt[0] eq "all" || !@psprt) {@psprt = (keys %allparts);}
 1654: # ------------------------------------------------------------------ Start page
 1655: 
 1656:     &startpage($r);
 1657: 
 1658:     foreach ('tolerance','date_default','date_start','date_end',
 1659: 	     'date_interval','int','float','string') {
 1660: 	$r->print('<input type="hidden" value="'.
 1661: 		  &HTML::Entities::encode($env{'form.recent_'.$_},'"&<>').
 1662: 		  '" name="recent_'.$_.'" />');
 1663:     }
 1664:                         
 1665:     if (!$pssymb) {
 1666:         $r->print('<table border="1"><tr><td>');
 1667:         &levelmenu($r,\%alllevs,$parmlev);
 1668: 	if ($parmlev ne 'general') {
 1669:             $r->print('<td>');
 1670: 	    &mapmenu($r,\%allmaps,$pschp,\%maptitles);
 1671: 	    $r->print('</td>');
 1672: 	}
 1673:         $r->print('</td></tr></table>');
 1674: 	&displaymenu($r,\%allparms,\%allparts,\@pscat,\@psprt,\%keyorder);
 1675:     } else {
 1676:         my ($map,$id,$resource)=&Apache::lonnet::decode_symb($pssymb);
 1677: 	my $title = &Apache::lonnet::gettitle($pssymb);
 1678:         $r->print(&mt('Specific Resource: [_1] ([_2])',$title,$resource).
 1679:                   '<input type="hidden" value="'.$pssymb.'" name="symb" />'.
 1680: 		  '<br /><label><b>'.&mt('Show all parts').': <input type="checkbox" name="psprt" value="all"'.
 1681: 		  ($env{'form.psprt'}?' checked="checked"':'').' /></b></label><br />');
 1682:     }
 1683:     &usermenu($r,$uname,$id,$udom,$csec,$cgroup,$parmlev,\@usersgroups);    
 1684: 
 1685:     $r->print('<p>'.$message.'</p>');
 1686: 
 1687:     $r->print('<br /><input type="submit" name="dis" value="'.&mt("Update Parameter Display").'" />');
 1688: 
 1689:     my @temp_pscat;
 1690:     map {
 1691:         my $cat = $_;
 1692:         push(@temp_pscat, map { $_.'.'.$cat } @psprt);
 1693:     } @pscat;
 1694: 
 1695:     @pscat = @temp_pscat;
 1696: 
 1697:     if (($env{'form.prevvisit'}) || ($pschp) || ($pssymb)) {
 1698: # ----------------------------------------------------------------- Start Table
 1699:         my @catmarker=map { tr|.|_|; 'parameter_'.$_; } @pscat;
 1700:         my $csuname=$env{'user.name'};
 1701:         my $csudom=$env{'user.domain'};
 1702: 
 1703:         if ($parmlev eq 'full') {
 1704:            my $coursespan=$csec?8:5;
 1705:            my $userspan=3;
 1706:            if ($cgroup ne '') {
 1707:               $coursespan += 3;
 1708:            } 
 1709:       
 1710:            $r->print('<p><table border=2>');
 1711:            $r->print('<tr><td colspan=5></td>');
 1712:            $r->print('<th colspan='.($coursespan).'>'.&mt('Any User').'</th>');
 1713:            if ($uname) {
 1714:                if (@usersgroups > 1) {
 1715:                    $userspan ++;
 1716:                }
 1717:                $r->print('<th colspan="'.$userspan.'" rowspan="2">');
 1718:                $r->print(&mt("User")." $uname ".&mt('at Domain')." $udom</th>");
 1719:            }
 1720: 	   my %lt=&Apache::lonlocal::texthash(
 1721: 				  'pie'    => "Parameter in Effect",
 1722: 				  'csv'    => "Current Session Value",
 1723:                                   'at'     => 'at',
 1724:                                   'rl'     => "Resource Level",
 1725: 				  'ic'     => 'in Course',
 1726: 				  'aut'    => "Assessment URL and Title",
 1727: 				  'type'   => 'Type',
 1728: 				  'emof'   => "Enclosing Map or Folder",
 1729: 				  'part'   => 'Part',
 1730:                                   'pn'     => 'Parameter Name',
 1731: 				  'def'    => 'default',
 1732: 				  'femof'  => 'from Enclosing Map or Folder',
 1733: 				  'gen'    => 'general',
 1734: 				  'foremf' => 'for Enclosing Map or Folder',
 1735: 				  'fr'     => 'for Resource'
 1736: 					      );
 1737:            $r->print(<<ENDTABLETWO);
 1738: <th rowspan=3>$lt{'pie'}</th>
 1739: <th rowspan=3>$lt{'csv'}<br />($csuname $lt{'at'} $csudom)</th>
 1740: </tr><tr><td colspan=5></td><th colspan=2>$lt{'ic'}</th><th colspan=2>$lt{'rl'}</th>
 1741: <th colspan=1>$lt{'ic'}</th>
 1742: 
 1743: ENDTABLETWO
 1744:            if ($csec) {
 1745:                 $r->print("<th colspan=3>".
 1746: 			  &mt("in Section")." $csec</th>");
 1747:            }
 1748:            if ($cgroup) {
 1749:                 $r->print("<th colspan=3>".
 1750:                           &mt("in Group")." $cgroup</th>");
 1751:            }
 1752:            $r->print(<<ENDTABLEHEADFOUR);
 1753: </tr><tr><th>$lt{'aut'}</th><th>$lt{'type'}</th>
 1754: <th>$lt{'emof'}</th><th>$lt{'part'}</th><th>$lt{'pn'}</th>
 1755: <th>$lt{'gen'}</th><th>$lt{'foremf'}</th>
 1756: <th>$lt{'def'}</th><th>$lt{'femof'}</th><th>$lt{'fr'}</th>
 1757: ENDTABLEHEADFOUR
 1758: 
 1759:            if ($csec) {
 1760:                $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
 1761:            }
 1762: 
 1763:            if ($cgroup) {
 1764:                $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
 1765:            }
 1766: 
 1767:            if ($uname) {
 1768:                if (@usersgroups > 1) {
 1769:                    $r->print('<th>'.&mt('Control by other group?').'</th>');
 1770:                }
 1771:                $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
 1772:            }
 1773: 
 1774:            $r->print('</tr>');
 1775: 
 1776:            my $defbgone='';
 1777:            my $defbgtwo='';
 1778:            my $defbgthree = '';
 1779: 
 1780:            foreach (@ids) {
 1781: 
 1782:                 my $rid=$_;
 1783:                 my ($inmapid)=($rid=~/\.(\d+)$/);
 1784: 
 1785:                 if ((!$pssymb && 
 1786: 		     (($pschp eq 'all') || ($allmaps{$pschp} eq $mapp{$rid})))
 1787: 		    ||
 1788: 		    ($pssymb && $pssymb eq $symbp{$rid})) {
 1789: # ------------------------------------------------------ Entry for one resource
 1790:                     if ($defbgone eq '"#E0E099"') {
 1791:                         $defbgone='"#E0E0DD"';
 1792:                     } else {
 1793:                         $defbgone='"#E0E099"';
 1794:                     }
 1795:                     if ($defbgtwo eq '"#FFFF99"') {
 1796:                         $defbgtwo='"#FFFFDD"';
 1797:                     } else {
 1798:                         $defbgtwo='"#FFFF99"';
 1799:                     }
 1800:                     if ($defbgthree eq '"#FFBB99"') {
 1801:                         $defbgthree='"#FFBBDD"';
 1802:                     } else {
 1803:                         $defbgthree='"#FFBB99"';
 1804:                     }
 1805: 
 1806:                     my $thistitle='';
 1807:                     my %name=   ();
 1808:                     undef %name;
 1809:                     my %part=   ();
 1810:                     my %display=();
 1811:                     my %type=   ();
 1812:                     my %default=();
 1813:                     my $uri=&Apache::lonnet::declutter($uris{$rid});
 1814: 
 1815:                     foreach (&keysplit($keyp{$rid})) {
 1816:                         my $tempkeyp = $_;
 1817:                         if (grep $_ eq $tempkeyp, @catmarker) {
 1818:                           $part{$_}=&Apache::lonnet::metadata($uri,$_.'.part');
 1819:                           $name{$_}=&Apache::lonnet::metadata($uri,$_.'.name');
 1820:                           $display{$_}=&Apache::lonnet::metadata($uri,$_.'.display');
 1821:                           unless ($display{$_}) { $display{$_}=''; }
 1822:                           $display{$_}.=' ('.$name{$_}.')';
 1823:                           $default{$_}=&Apache::lonnet::metadata($uri,$_);
 1824:                           $type{$_}=&Apache::lonnet::metadata($uri,$_.'.type');
 1825:                           $thistitle=&Apache::lonnet::metadata($uri,$_.'.title');
 1826:                         }
 1827:                     }
 1828:                     my $totalparms=scalar keys %name;
 1829:                     if ($totalparms>0) {
 1830:                         my $firstrow=1;
 1831: 			my $title=&Apache::lonnet::gettitle($symbp{$rid});
 1832:                         $r->print('<tr><td bgcolor='.$defbgone.
 1833:                              ' rowspan='.$totalparms.
 1834:                              '><tt><font size=-1>'.
 1835:                              join(' / ',split(/\//,$uri)).
 1836:                              '</font></tt><p><b>'.
 1837:                              "<a href=\"javascript:openWindow('".
 1838: 				  &Apache::lonnet::clutter($uri).'?symb='.
 1839: 				  &escape($symbp{$rid}).
 1840:                              "', 'metadatafile', '450', '500', 'no', 'yes');\"".
 1841:                              " target=\"_self\">$title");
 1842: 
 1843:                         if ($thistitle) {
 1844:                             $r->print(' ('.$thistitle.')');
 1845:                         }
 1846:                         $r->print('</a></b></td>');
 1847:                         $r->print('<td bgcolor='.$defbgtwo.
 1848:                                       ' rowspan='.$totalparms.'>'.$typep{$rid}.
 1849:                                       '</td>');
 1850: 
 1851:                         $r->print('<td bgcolor='.$defbgone.
 1852:                                       ' rowspan='.$totalparms.
 1853:                                       '>'.$maptitles{$mapp{$rid}}.'</td>');
 1854: 
 1855:                         foreach (&keysinorder_bytype(\%name,\%keyorder)) {
 1856:                             unless ($firstrow) {
 1857:                                 $r->print('<tr>');
 1858:                             } else {
 1859:                                 undef $firstrow;
 1860:                             }
 1861:                             &print_row($r,$_,\%part,\%name,\%symbp,$rid,\%default,
 1862:                                        \%type,\%display,$defbgone,$defbgtwo,
 1863:                                        $defbgthree,$parmlev,$uname,$udom,$csec,
 1864:                                                             $cgroup,\@usersgroups);
 1865:                         }
 1866:                     }
 1867:                 }
 1868:             } # end foreach ids
 1869: # -------------------------------------------------- End entry for one resource
 1870:             $r->print('</table>');
 1871:         } # end of  full
 1872: #--------------------------------------------------- Entry for parm level map
 1873:         if ($parmlev eq 'map') {
 1874:             my $defbgone = '"E0E099"';
 1875:             my $defbgtwo = '"FFFF99"';
 1876:             my $defbgthree = '"FFBB99"';
 1877: 
 1878:             my %maplist;
 1879: 
 1880:             if ($pschp eq 'all') {
 1881:                 %maplist = %allmaps; 
 1882:             } else {
 1883:                 %maplist = ($pschp => $mapp{$pschp});
 1884:             }
 1885: 
 1886: #-------------------------------------------- for each map, gather information
 1887:             my $mapid;
 1888: 	    foreach $mapid (sort {$maplist{$a} cmp $maplist{$b}} keys %maplist) {
 1889:                 my $maptitle = $maplist{$mapid};
 1890: 
 1891: #-----------------------  loop through ids and get all parameter types for map
 1892: #-----------------------------------------          and associated information
 1893:                 my %name = ();
 1894:                 my %part = ();
 1895:                 my %display = ();
 1896:                 my %type = ();
 1897:                 my %default = ();
 1898:                 my $map = 0;
 1899: 
 1900: #		$r->print("Catmarker: @catmarker<br />\n");
 1901:                
 1902:                 foreach (@ids) {
 1903:                   ($map)=(/([\d]*?)\./);
 1904:                   my $rid = $_;
 1905:         
 1906: #                  $r->print("$mapid:$map:   $rid <br /> \n");
 1907: 
 1908:                   if ($map eq $mapid) {
 1909:                     my $uri=&Apache::lonnet::declutter($uris{$rid});
 1910: #                    $r->print("Keys: $keyp{$rid} <br />\n");
 1911: 
 1912: #--------------------------------------------------------------------
 1913: # @catmarker contains list of all possible parameters including part #s
 1914: # $fullkeyp contains the full part/id # for the extraction of proper parameters
 1915: # $tempkeyp contains part 0 only (no ids - ie, subparts)
 1916: # When storing information, store as part 0
 1917: # When requesting information, request from full part
 1918: #-------------------------------------------------------------------
 1919:                     foreach (&keysplit($keyp{$rid})) {
 1920:                       my $tempkeyp = $_;
 1921:                       my $fullkeyp = $tempkeyp;
 1922:                       $tempkeyp =~ s/_\w+_/_0_/;
 1923:                       
 1924:                       if ((grep $_ eq $fullkeyp, @catmarker) &&(!$name{$tempkeyp})) {
 1925:                         $part{$tempkeyp}="0";
 1926:                         $name{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.name');
 1927:                         $display{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.display');
 1928:                         unless ($display{$tempkeyp}) { $display{$tempkeyp}=''; }
 1929:                         $display{$tempkeyp}.=' ('.$name{$tempkeyp}.')';
 1930:                         $display{$tempkeyp} =~ s/_\w+_/_0_/;
 1931:                         $default{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp);
 1932:                         $type{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.type');
 1933:                       }
 1934:                     } # end loop through keys
 1935:                   }
 1936:                 } # end loop through ids
 1937:                                  
 1938: #---------------------------------------------------- print header information
 1939:                 my $foldermap=&mt($maptitle=~/^uploaded/?'Folder':'Map');
 1940:                 my $showtitle=$maptitles{$maptitle}.($maptitle!~/^uploaded/?' ['.$maptitle.']':'');
 1941:                 my $tmp="";
 1942:                 if ($uname) {
 1943: 		    my $person=&Apache::loncommon::plainname($uname,$udom);
 1944:                     $tmp.=&mt("User")." <font color=\"red\"><i>$uname \($person\) </i></font> ".
 1945:                         &mt('in')." \n";
 1946:                 } else {
 1947:                     $tmp.="<font color=\"red\"><i>".&mt('all').'</i></font> '.&mt('users in')." \n";
 1948:                 }
 1949:                 if ($cgroup) {
 1950:                     $tmp.=&mt("Group")." <font color=\"red\"><i>$cgroup".
 1951:                               "</i></font> ".&mt('of')." \n";
 1952:                     $csec = '';
 1953:                 } elsif ($csec) {
 1954:                     $tmp.=&mt("Section")." <font color=\"red\"><i>$csec".
 1955:                               "</i></font> ".&mt('of')." \n";
 1956:                 }
 1957:                 $r->print('<div align="center"><h4>'
 1958:                          .&mt('Set Defaults for All Resources in [_1]Specifically for [_2][_3]'
 1959:                              ,$foldermap.'<br /><font color="red"><i>'.$showtitle.'</i></font><br />'
 1960:                              ,$tmp
 1961:                              ,'<font color="red"><i>'.$coursename.'</i></font>'
 1962:                              )
 1963:                          ."<br /></h4>\n"
 1964:                          );
 1965: #---------------------------------------------------------------- print table
 1966:                 $r->print('<p><table border="2">');
 1967:                 $r->print('<tr><th>'.&mt('Parameter Name').'</th>');
 1968:                 $r->print('<th>'.&mt('Default Value').'</th>');
 1969:                 $r->print('<th>'.&mt('Parameter in Effect').'</th></tr>');
 1970: 
 1971: 	        foreach (&keysinorder(\%name,\%keyorder)) {
 1972:                     $r->print('<tr>');
 1973:                     &print_row($r,$_,\%part,\%name,\%symbp,$mapid,\%default,
 1974:                            \%type,\%display,$defbgone,$defbgtwo,$defbgthree,
 1975:                            $parmlev,$uname,$udom,$csec,$cgroup);
 1976:                 }
 1977:                 $r->print("</table></div>");
 1978:             } # end each map
 1979:         } # end of $parmlev eq map
 1980: #--------------------------------- Entry for parm level general (Course level)
 1981:         if ($parmlev eq 'general') {
 1982:             my $defbgone = '"E0E099"';
 1983:             my $defbgtwo = '"FFFF99"';
 1984:             my $defbgthree = '"FFBB99"';
 1985: 
 1986: #-------------------------------------------- for each map, gather information
 1987:             my $mapid="0.0";
 1988: #-----------------------  loop through ids and get all parameter types for map
 1989: #-----------------------------------------          and associated information
 1990:             my %name = ();
 1991:             my %part = ();
 1992:             my %display = ();
 1993:             my %type = ();
 1994:             my %default = ();
 1995:                
 1996:             foreach (@ids) {
 1997:                 my $rid = $_;
 1998:         
 1999:                 my $uri=&Apache::lonnet::declutter($uris{$rid});
 2000: 
 2001: #--------------------------------------------------------------------
 2002: # @catmarker contains list of all possible parameters including part #s
 2003: # $fullkeyp contains the full part/id # for the extraction of proper parameters
 2004: # $tempkeyp contains part 0 only (no ids - ie, subparts)
 2005: # When storing information, store as part 0
 2006: # When requesting information, request from full part
 2007: #-------------------------------------------------------------------
 2008:                 foreach (&keysplit($keyp{$rid})) {
 2009:                   my $tempkeyp = $_;
 2010:                   my $fullkeyp = $tempkeyp;
 2011:                   $tempkeyp =~ s/_\w+_/_0_/;
 2012:                   if ((grep $_ eq $fullkeyp, @catmarker) &&(!$name{$tempkeyp})) {
 2013:                     $part{$tempkeyp}="0";
 2014:                     $name{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.name');
 2015:                     $display{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.display');
 2016:                     unless ($display{$tempkeyp}) { $display{$tempkeyp}=''; }
 2017:                     $display{$tempkeyp}.=' ('.$name{$tempkeyp}.')';
 2018:                     $display{$tempkeyp} =~ s/_\w+_/_0_/;
 2019:                     $default{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp);
 2020:                     $type{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.type');
 2021:                   }
 2022:                 } # end loop through keys
 2023:             } # end loop through ids
 2024:                                  
 2025: #---------------------------------------------------- print header information
 2026: 	    my $setdef=&mt("Set Defaults for All Resources in Course");
 2027:             $r->print(<<ENDMAPONE);
 2028: <center><h4>$setdef
 2029: <font color="red"><i>$coursename</i></font><br />
 2030: ENDMAPONE
 2031:             if ($uname) {
 2032: 		my $person=&Apache::loncommon::plainname($uname,$udom);
 2033:                 $r->print(" ".&mt("User")."<font color=\"red\"> <i>$uname \($person\) </i></font> \n");
 2034:             } else {
 2035:                 $r->print("<i><font color=\"red\"> ".&mt("ALL")."</i> ".&mt("USERS")."</font> \n");
 2036:             }
 2037:             
 2038:             if ($csec) {$r->print(&mt("Section")."<font color=\"red\"> <i>$csec</i></font>\n")};
 2039:             if ($cgroup) {$r->print(&mt("Group")."<font color=\"red\"> <i>$cgroup</i></font>\n")};
 2040:             $r->print("</h4>\n");
 2041: #---------------------------------------------------------------- print table
 2042:             $r->print('<p><table border="2">');
 2043:             $r->print('<tr><th>'.&mt('Parameter Name').'</th>');
 2044:             $r->print('<th>'.&mt('Default Value').'</th>');
 2045:             $r->print('<th>'.&mt('Parameter in Effect').'</th></tr>');
 2046: 
 2047: 	    foreach (&keysinorder(\%name,\%keyorder)) {
 2048:                 $r->print('<tr>');
 2049:                 &print_row($r,$_,\%part,\%name,\%symbp,$mapid,\%default,
 2050:                        \%type,\%display,$defbgone,$defbgtwo,$defbgthree,
 2051:                                    $parmlev,$uname,$udom,$csec,$cgroup);
 2052:             }
 2053:             $r->print("</table></center>");
 2054:         } # end of $parmlev eq general
 2055:     }
 2056:     $r->print('</form>'.&Apache::loncommon::end_page());
 2057: } # end sub assessparms
 2058: 
 2059: 
 2060: ##################################################
 2061: ##################################################
 2062: 
 2063: =pod
 2064: 
 2065: =item crsenv
 2066: 
 2067: Show and set course data and parameters.  This is a large routine that should
 2068: be simplified and shortened... someday.
 2069: 
 2070: Inputs: $r
 2071: 
 2072: Returns: nothing
 2073: 
 2074: =cut
 2075: 
 2076: ##################################################
 2077: ##################################################
 2078: sub crsenv {
 2079:     my $r=shift;
 2080:     my $setoutput='';
 2081: 
 2082:     my $breadcrumbs = 
 2083: 	&Apache::lonhtmlcommon::breadcrumbs('Edit Course Environment');
 2084:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2085:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 2086: 
 2087:     my (%crsinfo,$chome);
 2088: 
 2089:     #
 2090:     # Go through list of changes
 2091:     foreach (keys %env) {
 2092:         next if ($_!~/^form\.(.+)\_setparmval$/);
 2093:         my $name  = $1;
 2094:         my $value = $env{'form.'.$name.'_value'};
 2095:         if ($name eq 'newp') {
 2096:             $name = $env{'form.newp_name'};
 2097:         }
 2098:         if ($name eq 'url') {
 2099:             $value=~s/^\/res\///;
 2100:             my $bkuptime=time;
 2101:             my @tmp = &Apache::lonnet::get
 2102:                 ('environment',['url'],$dom,$crs);
 2103:             $setoutput.=&mt('Backing up previous URL').': '.
 2104:                 &Apache::lonnet::put
 2105:                 ('environment',
 2106:                  {'top level map backup '.$bkuptime => $tmp[1] },
 2107:                  $dom,$crs).
 2108:                      '<br />';
 2109:         }
 2110:         #
 2111:         # Deal with modified default spreadsheets
 2112:         if ($name =~ /^spreadsheet_default_(classcalc|
 2113:                                             studentcalc|
 2114:                                             assesscalc)$/x) {
 2115:             my $sheettype = $1; 
 2116:             if ($sheettype eq 'classcalc') {
 2117:                 # no need to do anything since viewing the sheet will
 2118:                 # cause it to be updated. 
 2119:             } elsif ($sheettype eq 'studentcalc') {
 2120:                 # expire all the student spreadsheets
 2121:                 &Apache::lonnet::expirespread('','','studentcalc');
 2122:             } else {
 2123:                 # expire all the assessment spreadsheets 
 2124:                 #    this includes non-default spreadsheets, but better to
 2125:                 #    be safe than sorry.
 2126:                 &Apache::lonnet::expirespread('','','assesscalc');
 2127:                 # expire all the student spreadsheets
 2128:                 &Apache::lonnet::expirespread('','','studentcalc');
 2129:             }
 2130:         }
 2131:         #
 2132:         # Deal with the enrollment dates
 2133:         if ($name =~ /^default_enrollment_(start|end)_date$/) {
 2134:             $value=&Apache::lonhtmlcommon::get_date_from_form($name.'_value');
 2135:         }
 2136: 	#
 2137:         # Deal with the emails
 2138:         if ($name =~ /\.email$/) {
 2139: 	    foreach my $specifier (split(',',$value)) {
 2140: 		my ($user,$sections_or_groups)=
 2141: 		    ($specifier=~/^([^\(]+)\(([^\)]+)\)/);
 2142: 		if (!$sections_or_groups) {
 2143: 		    $user = $specifier;
 2144: 		}
 2145: 		my ($name,$domain) = split(':',$user);
 2146: 		if (!defined($user) || !defined($domain)) {
 2147: 		    $setoutput.= '<br /> <span class="LC_error">'.
 2148: 			&mt("Invalid email address specified, address must be of the form username:domain what was specified was ([_1])",$user).
 2149: 			'</span>';
 2150: 		    undef($value);
 2151: 		} elsif (&Apache::lonnet::homeserver($user,$domain) eq 'no_host') {
 2152: 		    $setoutput.= '<br /> <span class="LC_error">'.
 2153: 			&mt("Invalid email address specified, user [_1] is unknown.",$name).
 2154: 			'</span>';
 2155: 		    undef($value);
 2156: 		}
 2157: 	    }
 2158:         }
 2159:         # Get existing cloners
 2160:         my @oldcloner = ();
 2161:         if ($name eq 'cloners') {
 2162:             my %clonenames=&Apache::lonnet::dump('environment',$dom,$crs,'cloners');
 2163:             if ($clonenames{'cloners'} =~ /,/) {
 2164:                 @oldcloner = split/,/,$clonenames{'cloners'};
 2165:             } else {
 2166:                 $oldcloner[0] = $clonenames{'cloners'};
 2167:             }
 2168:         }
 2169:         #
 2170:         # Let the user know we made the changes
 2171:         if ($name && defined($value)) {
 2172:             my %failed_cloners;
 2173:             if ($name eq 'cloners') {
 2174:                 $value =~ s/\s//g;
 2175:                 $value =~ s/^,//;
 2176:                 $value =~ s/,$//;
 2177:                 # check requested clones are valid users.
 2178:                 %failed_cloners = &check_cloners(\$value,\@oldcloner);
 2179:             }
 2180:             my $put_result = &Apache::lonnet::put('environment',
 2181:                                                   {$name=>$value},$dom,$crs);
 2182:             if ($put_result eq 'ok') {
 2183:                 $setoutput.=&mt('Set').' <b>'.$name.'</b> '.&mt('to').' <b>';
 2184:                 if ($name =~ /^default_enrollment_(start|end)_date$/) {
 2185:                     $setoutput .= &Apache::lonlocal::locallocaltime($value);
 2186:                 } elsif ($name eq 'categories') {
 2187:                     $setoutput .= $env{'form.categories_display'};
 2188:                 } else {
 2189:                     $setoutput .= $value;
 2190:                 }
 2191:                 $setoutput .= '</b>.<br />';
 2192:                 if ($name eq 'cloners') {
 2193:                     &change_clone($value,\@oldcloner);
 2194:                 }
 2195:                 # Update environment and nohist_courseids.db
 2196:                 if (($name eq 'description') || ($name eq 'cloners') || 
 2197:                     ($name eq 'hidefromcat') || ($name eq 'categories')) {
 2198:                     if ($chome eq '') {
 2199:                         %crsinfo =
 2200:                             &Apache::lonnet::courseiddump($dom,'.',1,'.','.',
 2201:                                                  $crs,undef,undef,'.');
 2202:                         $chome = &Apache::lonnet::homeserver($crs,$dom);
 2203:                     }
 2204:                 }
 2205:                 if ($name eq 'description' && defined($value)) {
 2206:                     &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.description' => $value});
 2207:                     if (ref($crsinfo{$env{'request.course.id'}}) eq 'HASH') {
 2208:                         $crsinfo{$env{'request.course.id'}}{'description'} = $value; 
 2209:                         my $putresult =
 2210:                             &Apache::lonnet::courseidput($dom,\%crsinfo,
 2211:                                                          $chome,'notime');
 2212:                     }
 2213:                 }
 2214:                 if (($name eq 'cloners') || ($name eq 'hidefromcat') || ($name eq 'categories')) {
 2215:                     if (ref($crsinfo{$env{'request.course.id'}}) eq 'HASH') {
 2216:                         &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$name => $value});
 2217:                         $crsinfo{$env{'request.course.id'}}{$name} = $value;
 2218:                         my $putresult =
 2219:                             &Apache::lonnet::courseidput($dom,\%crsinfo,
 2220:                                                          $chome,'notime');
 2221:                     }
 2222:                 }
 2223:             } else {
 2224:                 $setoutput.=&mt('Unable to set').' <b>'.$name.'</b> '.&mt('to').
 2225: 		    ' <b>'.$value.'</b> '.&mt('due to').' '.$put_result.'.<br />';
 2226:             }
 2227:             if (($name eq 'cloners') && (keys(%failed_cloners) > 0)) {
 2228:                 $setoutput.= &mt('Unable to include').': ';
 2229:                 my @fails;
 2230:                 my $num = 0;
 2231:                 if (defined($failed_cloners{'format'})) {
 2232:                     $fails[$num] .= '<b>'.$failed_cloners{'format'}.
 2233:                                   '</b>, '.&mt('reason').' - '.
 2234:                                   &mt('Invalid format');
 2235:                     $num ++;
 2236:                 }
 2237:                 if (defined($failed_cloners{'domain'})) {
 2238:                     $fails[$num] .= '<b>'.$failed_cloners{'domain'}.
 2239:                                   '</b>, '.&mt('reason').' - '.
 2240:                                   &mt('Domain does not exist');
 2241:                     $num ++;
 2242:                 }
 2243:                 if (defined($failed_cloners{'newuser'})) {
 2244:                     $fails[$num] .= '<b>'.$failed_cloners{'newuser'}.                                   '</b>, '.&mt('reason').' - '.
 2245:                         &mt('LON-CAPA user(s) do(es) not exist.').
 2246:                         '.<br />'.&mt('Please ').
 2247:                         ' <a href="/adm/createuser">'.
 2248:                         &mt('add the user(s)').'</a>, '.
 2249:                         &mt('and then return to the ').
 2250:                         '<a href="/adm/parmset?action=crsenv">'.
 2251:                         &mt('Course Parameters page').'</a> '.
 2252:                         &mt('to add the new user(s) to the list of possible cloners');
 2253:                 }
 2254:                 $setoutput .= join(';&nbsp;&nbsp;',@fails).'.<br />';
 2255:             }
 2256:         }
 2257:     }
 2258: 
 2259:     my $start_table     =&Apache::loncommon::start_data_table();
 2260:     my $start_header_row=&Apache::loncommon::start_data_table_header_row();
 2261:     my $end_header_row  =&Apache::loncommon::end_data_table_header_row();
 2262: # ------------------------- Re-init course environment entries for this session
 2263: 
 2264:     &Apache::lonnet::coursedescription($env{'request.course.id'},
 2265: 				       {'freshen_cache' => 1});
 2266: 
 2267: # -------------------------------------------------------- Get parameters again
 2268: 
 2269:     my %values=&Apache::lonnet::dump('environment',$dom,$crs);
 2270:     my $SelectStyleFile=&mt('Select Style File');
 2271:     my $SelectSpreadsheetFile=&mt('Select Spreadsheet File');
 2272:     my $output='';
 2273:     my $can_categorize;
 2274:     if (! exists($values{'con_lost'})) {
 2275:         my %descriptions=
 2276: 	    ('url'            => '<b>'.&mt('Top Level Map').'</b><br />'.
 2277:                                  '<a href="javascript:openbrowser'.
 2278:                                  "('envform','url','sequence')\">".
 2279:                                  &mt('Select Map').'</a><br /><span class="LC_warning"> '.
 2280:                                  &mt('Modification may make assessment data inaccessible!').
 2281:                                  '</span>',
 2282:              'description'    => '<b>'.&mt('Course Description').'</b>',
 2283:              'courseid'       => '<b>'.&mt('Course ID or number').
 2284:                                  '</b><br />'.
 2285:                                  '('.&mt('internal, optional').')',
 2286:              'cloners'        => '<b>'.&mt('Users allowed to clone course').'</b><br />'
 2287:                                 .'("<tt>'.&mt('user:domain,user:domain,*:domain').'</tt>")<br />'
 2288:                                 .&mt('Users with active Course Coordinator role in this course are permitted to clone and need not be included.').'<br />'
 2289:                                 .&mt('Use [_1] to allow course to be cloned by anyone in the specified domain.','"<tt>*:domain</tt>"').'<br />'
 2290:                                 .&mt('Use [_1] to allow unrestricted cloning in all domains.','"<tt>*</tt>"'),
 2291:              'grading'        => '<b>'.&mt('Grading').'</b><br />'.
 2292:                                  &mt('[_1], [_2], or [_3]','"<tt>standard</tt>"','"<tt>external</tt>"','"<tt>spreadsheet</tt>"').&Apache::loncommon::help_open_topic('GradingOptions'),
 2293: 	     'task_grading'   => '<b>'.&mt('Bridge Task Grading').'</b><br />'
 2294:                                 .&mt('Instructors and TAs in sections, when grading bridge tasks, should be allowed to grade other sections.').'<br />'
 2295:                                 .'('.&mt('[_1]: they are allowed (this is the default). [_2]: no, they can only grade their own section.','"<tt>any</tt>"','"<tt>section</tt>"').')',
 2296:              'default_xml_style' => '<b>'.&mt('Default XML Style File').'</b><br />'.
 2297:                     '<a href="javascript:openbrowser'.
 2298:                     "('envform','default_xml_style'".
 2299:                     ",'sty')\">$SelectStyleFile</a><br />",
 2300:              'question.email' => '<b>'.&mt('Feedback Addresses for Resource Content Question').'</b><br />'
 2301:                                 .'("<tt>'.&mt('user:domain,user:domain(section;section;...;*;...),...').'</tt>")',
 2302:              'question.email.text' => '<b>'.&mt('Custom Text for Resource Content Question Option in Feedback').'</b>',
 2303:              'comment.email'  => '<b>'.&mt('Feedback Addresses for Course Content Comments').'</b><br />'
 2304:                                 .'("<tt>'.&mt('user:domain,user:domain(section;section;...;*;...),...').'</tt>")',
 2305:              'comment.email.text' => '<b>'.&mt('Custom Text for Course Content Option in Feedback').'</b>',
 2306:              'policy.email'   => '<b>'.&mt('Feedback Addresses for Course Policy').'</b><br />'
 2307:                                  .'("<tt>'.&mt('user:domain,user:domain(section;section;...;*;...),...').'</tt>")',
 2308:              'policy.email.text' => '<b>'.&mt('Custom Text for Course Policy Option in Feedback').'</b>',
 2309:              'hideemptyrows'  => '<b>'.&mt('Hide Empty Rows in Spreadsheets').'</b><br />'
 2310:                                 .'('.&mt('[_1] for default hiding','"<tt>yes</tt>"').')',
 2311:              'pageseparators'  => '<b>'.&mt('Visibly Separate Items on Pages').'</b><br />'
 2312:                                  .'('.&mt('[_1] for visible separation.','"<tt>yes</tt>"').' '
 2313:                                  .&mt('Changes will not show until next login.').')',
 2314:              'student_classlist_view' => '<b>'.&mt('Allow students to view classlist.').'</b><br />'
 2315:                                         .'('.&mt('[_1]: students can view all sections. [_2]: students can only view their own section. blank or [_3] prevents student view.','"<tt>all</tt>"','"<tt>section</tt>"','"<tt>disabled</tt>"').')',
 2316:              'student_classlist_portfiles' => '<b>'.&mt('Include link to accessible portfolio files').'</b><br />'
 2317:                                              .'('.&mt('[_1] for link to each a listing of each student\'s files.','"<tt>yes</tt>"').')',
 2318:              'student_classlist_opt_in' => '<b>'.&mt("Student's agreement needed for listing in student-viewable roster").'</b><br />'
 2319:                                            .'('.&mt('[_1] to require students to opt-in to listing in the roster (on the roster page).','"<tt>yes</tt>"').')',
 2320:              'plc.roles.denied'=> '<b>'.&mt('Disallow live chatroom use for Roles').'</b><br />'
 2321:                                  .'('.&mt('[_1]: student, [_2]: TA, [_3]: instructor','"<tt>st</tt>"','"<tt>ta</tt>"','"<tt>in</tt>"').')<br />'
 2322:                                  .'("<tt>'.&mt('role,role,...').'</tt>") '
 2323: 	                         .Apache::loncommon::help_open_topic("Course_Disable_Discussion"),
 2324:              'plc.users.denied' => 
 2325:                           '<b>'.&mt('Disallow live chatroom use for Users').'</b><br />'.
 2326:                                   '("<tt>'.&mt('user:domain,user:domain,...').'</tt>")',
 2327: 
 2328:              'pch.roles.denied'=> '<b>'.&mt('Disallow Resource Discussion for Roles').'</b><br />'
 2329:                                  .'('.&mt('[_1]: student, [_2]: TA, [_3]: instructor','"<tt>st</tt>"','"<tt>ta</tt>"','"<tt>in</tt>"')
 2330:                                  .'("<tt>'.&mt('role,role,...').'</tt>") '
 2331:                                  .Apache::loncommon::help_open_topic("Course_Disable_Discussion"),
 2332:              'pch.users.denied' => 
 2333:                           '<b>'.&mt('Disallow Resource Discussion for Users').'</b><br />'.
 2334:                                  '("<tt>'.&mt('user:domain,user:domain,...').'</tt>")',
 2335:              'spreadsheet_default_classcalc' 
 2336:                  => '<b>'.&mt('Default Course Spreadsheet').'</b> '.
 2337:                     '<a href="javascript:openbrowser'.
 2338:                     "('envform','spreadsheet_default_classcalc'".
 2339:                     ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
 2340:              'spreadsheet_default_studentcalc' 
 2341:                  => '<b>'.&mt('Default Student Spreadsheet').'</b><br />'.
 2342:                     '<a href="javascript:openbrowser'.
 2343:                     "('envform','spreadsheet_default_calc'".
 2344:                     ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
 2345:              'spreadsheet_default_assesscalc' 
 2346:                  => '<b>'.&mt('Default Assessment Spreadsheet').'</b> '.
 2347:                     '<a href="javascript:openbrowser'.
 2348:                     "('envform','spreadsheet_default_assesscalc'".
 2349:                     ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
 2350: 	     'allow_limited_html_in_feedback'
 2351: 	         => '<b>'.&mt('Allow limited HTML in discussion posts').'</b><br />'.
 2352: 	            '('.&mt('Set value to [_1] to allow.','"<tt>yes</tt>"').')',
 2353:              'allow_discussion_post_editing'
 2354:                  => '<b>'.&mt('Allow users with specified roles to edit/delete their own discussion posts').'</b><br />'
 2355:                    .'('.&mt('[_1]: student, [_2]: TA, [_3]: instructor','"<tt>st</tt>"','"<tt>ta</tt>"','"<tt>in</tt>"').')<br />'
 2356:                    .'('.&mt('Set value to [_1] to allow all roles.','"<tt>yes</tt>"').')'
 2357:                    .'("<tt>'.&mt('role:section,role:section,...').'</tt>")<br />'
 2358:                    .'('.&mt('Example: "<tt>st:001,st:002,in,cc</tt>" would permit students in sections 001 and 002 and instructors in any section, and course coordinators to edit their own posts.').')',
 2359: 	     'rndseed'
 2360: 	         => '<b>'.&mt('Randomization algorithm used').'</b><br />'
 2361:                    .'<span class="LC_error">'
 2362:                    .&mt('Modifying this will make problems have different numbers and answers!')
 2363:                    .'</span>',
 2364: 	     'receiptalg'
 2365: 	         => '<b>'.&mt('Receipt algorithm used').'</b> <br />'.
 2366:                     &mt('This controls how receipt numbers are generated.'),
 2367:              'suppress_tries'
 2368:                  => '<b>'.&mt('Suppress number of tries in printing').'</b><br />'.
 2369:                     ' ('.&mt('[_1] to suppress, anything else to not suppress','"<tt>yes</tt>"').')',
 2370:              'problem_stream_switch'
 2371:                  => '<b>'.&mt('Allow problems to be split over pages').'</b><br />'.
 2372:                     ' ('.&mt('[_1] if allowed, anything else if not','"<tt>yes</tt>"').')',
 2373:              'default_paper_size' 
 2374:                  => '<b>'.&mt('Default paper type').'</b><br />'.
 2375:                     ' ('.&mt('supported types').': Letter [8 1/2x11 in], Legal [8 1/2x14 in],'. 
 2376:                     ' Tabloid [11x17 in], Executive [7 1/2x10 in], A2 [420x594 mm],'. 
 2377:                     ' A3 [297x420 mm], A4 [210x297 mm], A5 [148x210 mm], A6 [105x148 mm])',
 2378: 	     'print_header_format'
 2379: 	         => ' <b>'.&mt('Print header format').'</b><br />'
 2380:                    .&mt('Substitutions:<br />[_1]: student name, [_2]: course id, [_3]: assignment note. Numbers after the <tt>%</tt> limit the field size.','"<tt>%n</tt>"','"<tt>%c</tt>"','"<tt>%a</tt>"'),
 2381:              'default_enrollment_start_date' => '<b>'.&mt('Default beginning date for student access.').'</b>',
 2382:              'default_enrollment_end_date'   => '<b>'.&mt('Default ending date for student access.').'</b>',
 2383:              'nothideprivileged'   => '<b>'.&mt('Privileged users that should not be hidden on staff listings').'</b><br />'
 2384:                                      .'("<tt>'.&mt('user:domain,user:domain,*:domain').'</tt>")',
 2385:              'languages' => '<b>'.&mt('Languages used').'</b>',
 2386:              'disable_receipt_display'
 2387:                  => '<b>'.&mt('Disable display of problem receipts').'</b><br />'.
 2388:                     ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
 2389: 	     'task_messages'
 2390: 	         => '<b>'.&mt('Send message to student when clicking Done on Tasks').'</b><br /> ('.&mt('[_1] to send a message only to student, [_2] to send message to student and add record to user information page for instructors. Leave blank to disable.','"<tt>only_student</tt>"','"<tt>student_and_user_notes_screen</tt>"').')',
 2391: 	     'disablesigfigs'
 2392: 	         => '<b>'.&mt('Disable checking of Significant Figures').'</b><br />'.
 2393:                     ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
 2394: 	     'disableexampointprint'
 2395: 	         => '<b>'.&mt('Disable automatically printing point values onto exams.').'</b><br />'.
 2396:                     ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
 2397:              'externalsyllabus'
 2398:                  => '<b>'.&mt('URL of Syllabus (not using internal handler)').'</b>',
 2399: 	     'tthoptions'
 2400: 	         => '<b>'.&mt('Default set of options to pass to tth/m when converting tex').'</b>',
 2401: 
 2402: 	     'texengine'
 2403: 	         => '<b>'.&mt('Force all students in the course to use a specific math rendering engine.').'</b><br />'
 2404:                    .'('.&mt('[_1], [_2] (Convert to Images), [_3] (TeX to HTML), or blank for student\'s preference','"<tt>jsMath</tt>"','"<tt>mimetex</tt>"','"<tt>tth</tt>"').')',
 2405:              'timezone'
 2406:                  => '<b>'.&mt('Timezone in which the course takes place').'</b>',
 2407: 
 2408:              'suppress_embed_prompt'
 2409:                  => '<b>'.&mt('Suppress prompt to upload items referenced in a web page being uploaded to portfolio, when current role is student.').'</b><br />'.
 2410:                     ' ('.&mt('[_1] to suppress, anything else to not suppress','"<tt>yes</tt>"').')',
 2411:              'hidefromcat'
 2412:                  => '<b>'.&mt('Exclude from course catalog').'</b><br />'.
 2413:                     ' ('.&mt('[_1] to exclude, anything else to include - included if assigned an institutional code, or manually catagorized','"<tt>yes</tt>"').')',
 2414:              'categories'
 2415:                  => '<b>'.&mt('Categorize course').'</b> <a href="javascript:catsbrowser()">'.
 2416:                     &mt('Display Categories').'</a>',
 2417:              'datelocale' 
 2418:                  => '<b>'.&mt('Locale used for course calendar').'</b>',
 2419:              );
 2420:         my @Display_Order = ('url','description','courseid','cloners');
 2421:         (my $can_toggle_cat,$can_categorize) = &can_modify_catsettings($dom);
 2422:         if ($can_toggle_cat) {
 2423:             push(@Display_Order,'hidefromcat');
 2424:         }
 2425:         if ($can_categorize) {
 2426:             push(@Display_Order,'categories');
 2427:         }
 2428:         push (@Display_Order,('grading',
 2429:                              'externalsyllabus',
 2430:                              'default_xml_style','pageseparators',
 2431:                              'question.email','question.email.text','comment.email',
 2432:                              'comment.email.text','policy.email','policy.email.text',
 2433:                              'student_classlist_view',
 2434:                              'student_classlist_opt_in',
 2435:                              'student_classlist_portfiles',
 2436:                              'plc.roles.denied','plc.users.denied',
 2437:                              'pch.roles.denied','pch.users.denied',
 2438:                              'allow_limited_html_in_feedback',
 2439:                              'allow_discussion_post_editing',
 2440:                              'languages',
 2441:                              'timezone',
 2442:                              'datelocale',
 2443: 			     'nothideprivileged',
 2444:                              'rndseed',
 2445:                              'receiptalg',
 2446:                              'problem_stream_switch',
 2447: 			     'suppress_tries',
 2448:                              'suppress_embed_prompt',
 2449:                              'default_paper_size',
 2450: 			     'print_header_format',
 2451:                              'disable_receipt_display',
 2452:                              'spreadsheet_default_classcalc',
 2453:                              'spreadsheet_default_studentcalc',
 2454:                              'spreadsheet_default_assesscalc', 
 2455:                              'hideemptyrows',
 2456:                              'default_enrollment_start_date',
 2457:                              'default_enrollment_end_date',
 2458: 			     'tthoptions',
 2459: 			     'texengine',
 2460: 			     'disablesigfigs',
 2461: 			     'disableexampointprint',
 2462: 			     'task_messages','task_grading'));
 2463: 	foreach my $parameter (sort(keys(%values))) {
 2464:             unless (($parameter =~ m/^internal\./)||($parameter =~ m/^metadata\./) ||
 2465:                     ($parameter =~ m/^selfenroll_/) || ($parameter =~ /_selfenroll$/)
 2466:                     || ($parameter eq 'type')) {
 2467:                 if (! $descriptions{$parameter}) {
 2468:                     $descriptions{$parameter}=$parameter;
 2469:                     push(@Display_Order,$parameter);
 2470:                 }
 2471:             }
 2472: 	}
 2473: 	
 2474:         foreach my $parameter (@Display_Order) {
 2475:             my $description = $descriptions{$parameter};
 2476:             # onchange is javascript to automatically check the 'Set' button.
 2477:             my $onchange = 'onFocus="javascript:window.document.forms'.
 2478:                 "['envform'].elements['".$parameter."_setparmval']".
 2479:                 '.checked=true;"';
 2480:             $output .= &Apache::loncommon::start_data_table_row().
 2481: 		'<td>'.$description.'</td>';
 2482:             if ($parameter =~ /^default_enrollment_(start|end)_date$/) {
 2483:                 $output .= '<td>'.
 2484:                     &Apache::lonhtmlcommon::date_setter('envform',
 2485:                                                         $parameter.'_value',
 2486:                                                         $values{$parameter},
 2487:                                                         $onchange).
 2488:                                                         '</td>';
 2489:             } elsif ($parameter eq 'timezone') {
 2490:                 my $includeempty = 1;
 2491:                 my $timezone = &Apache::lonlocal::gettimezone();
 2492:                 $output .= '<td>'.
 2493:                     &Apache::loncommon::select_timezone($parameter.'_value',
 2494:                                                         $timezone,
 2495:                                                         $onchange,$includeempty).'</td>';
 2496:             } elsif ($parameter eq 'datelocale') {
 2497:                 my $includeempty = 1;
 2498:                 my $locale_obj = &Apache::lonlocal::getdatelocale();
 2499:                 my $currdatelocale;
 2500:                 if (ref($locale_obj)) {
 2501:                     $currdatelocale = $locale_obj->id();
 2502:                 }
 2503:                 $output .= '<td>'.
 2504:                     &Apache::loncommon::select_datelocale($parameter.'_value',
 2505:                                                           $currdatelocale,
 2506:                                                           $onchange,$includeempty).'</td>'; 
 2507:             } elsif ($parameter eq 'categories') {
 2508:                 my $catdisplay;
 2509:                 if ($values{'categories'} ne '') {
 2510:                     my @curritems = split(/\&/,$values{'categories'});
 2511:                     foreach my $item (@curritems) {
 2512:                         my ($name,$parent,$pos) = split(/:/,$item);
 2513:                         $catdisplay .= &unescape($name).'&';
 2514:                     }
 2515:                     $catdisplay =~ s/\&$//;
 2516:                 } 
 2517:                 $output .= '<td>'.
 2518:                            '<input type="hidden" name="categories_value" value="'.
 2519:                            $values{'categories'}.'" />'.
 2520:                            '<input type="textbox" name="categories_display" value="'.
 2521:                            $catdisplay.'" readonly="readonly" size="40" /></td>';
 2522:             } else {
 2523:                 $output .= '<td>'.
 2524:                     &Apache::lonhtmlcommon::textbox($parameter.'_value',
 2525:                                                     $values{$parameter},
 2526:                                                     40,$onchange).'</td>';
 2527:             }
 2528:             $output .= '<td>'.
 2529:                 &Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
 2530:                 '</td>';
 2531:             $output .= &Apache::loncommon::end_data_table_row()."\n";
 2532: 	}
 2533:         my $onchange = 'onFocus="javascript:window.document.forms'.
 2534:             '[\'envform\'].elements[\'newp_setparmval\']'.
 2535:             '.checked=true;"';
 2536: 	$output.=&Apache::loncommon::start_data_table_row().
 2537: 	    '<td><i>'.&mt('Create New Environment Variable').'</i><br />'.
 2538: 	    '<input type="text" size=40 name="newp_name" '.
 2539:                 $onchange.' /></td><td>'.
 2540:             '<input type="text" size=40 name="newp_value" '.
 2541:                 $onchange.' /></td><td>'.
 2542: 	    '<input type="checkbox" name="newp_setparmval" /></td>'.
 2543: 	    &Apache::loncommon::end_data_table_row()."\n";
 2544:     }
 2545:     my %lt=&Apache::lonlocal::texthash(
 2546: 		    'par'   => 'Parameter',
 2547: 		    'val'   => 'Value',
 2548: 		    'set'   => 'Set?',
 2549: 		    'sav'   => 'Save'
 2550: 				       );
 2551: 
 2552:     my $Parameter=&mt('Parameter');
 2553:     my $Value=&mt('Value');
 2554:     my $Set=&mt('Set');
 2555:     my ($jscript,$categorize_js);
 2556:     my $browse_js = &Apache::loncommon::browser_and_searcher_javascript('parmset');
 2557:     if ($can_categorize) {
 2558:         $categorize_js = <<ENDSCRIPT;
 2559: function catsbrowser() {
 2560:     var catswin = null;
 2561:     var url = '/adm/parmset?action=categorizecourse';
 2562:     if (!catswin || catswin.closed) {
 2563:         catswin=window.open(url,'categorieswin','height=480,width=600,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
 2564:     } else {
 2565:         catswin.focus();
 2566:     }
 2567: } 
 2568: ENDSCRIPT
 2569:     }
 2570:     $jscript = '<script type="text/javascript" language="Javascript">'."\n".
 2571:                $browse_js."\n".$categorize_js."\n".'</script>';
 2572:     my $start_page = 
 2573: 	&Apache::loncommon::start_page('Set Course Environment',
 2574: 				       $jscript);
 2575:     my $end_page = 
 2576: 	&Apache::loncommon::end_page();
 2577:     my $end_table=&Apache::loncommon::end_data_table();
 2578:     $r->print(<<ENDENV);
 2579: $start_page
 2580: $breadcrumbs
 2581: <form method="post" action="/adm/parmset?action=crsenv" name="envform">
 2582: $setoutput
 2583: <div><input type="submit" name="crsenv" value="$lt{'sav'}" /></div>
 2584: $start_table
 2585: $start_header_row
 2586: <th>$lt{'par'}</th><th>$lt{'val'}</th><th>$lt{'set'}</th>
 2587: $end_header_row
 2588: $output
 2589: $end_table
 2590: <input type="submit" name="crsenv" value="$lt{'sav'}" />
 2591: </form>
 2592: $end_page
 2593: ENDENV
 2594: }
 2595: 
 2596: sub can_modify_catsettings {
 2597:     my ($dom) = @_;
 2598:     my %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$dom);
 2599:     my ($can_toggle_cat,$can_categorize);
 2600:     if (ref($domconf{'coursecategories'}) eq 'HASH') {
 2601:         if ($domconf{'coursecategories'}{'togglecats'} eq 'crs') {
 2602:             $can_toggle_cat = 1;
 2603:         }
 2604:         if ($domconf{'coursecategories'}{'categorize'} eq 'crs') {
 2605:             $can_categorize = 1;
 2606:         }
 2607:     }
 2608:     return ($can_toggle_cat,$can_categorize);
 2609: }
 2610: 
 2611: sub assign_course_categories {
 2612:     my ($r) = @_;
 2613:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2614:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 2615:     my $hascats = 0;
 2616:     my $cathash;
 2617:     my %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$cdom);
 2618:     if (ref($domconf{'coursecategories'}) eq 'HASH') {
 2619:         $cathash = $domconf{'coursecategories'}{'cats'};
 2620:         if (ref($cathash) eq 'HASH') {
 2621:             $hascats = 1;   
 2622:         }
 2623:     }
 2624:     my $catwin_js;
 2625:     if ($hascats) {
 2626:         my $alert = &mt('Use \"Save\" in the main window to save course categories');
 2627:         $catwin_js = <<ENDSCRIPT;
 2628: <script type="text/javascript">
 2629: 
 2630: function updateCategories() {
 2631:     var newcategories = '';
 2632:     var unescapedcats = '';
 2633:     if (document.chgcats.usecategory.length) {
 2634:         for (var i=0; i<document.chgcats.usecategory.length; i++) {
 2635:             if (document.chgcats.usecategory[i].checked == true) {
 2636:                 newcategories = newcategories + document.chgcats.usecategory[i].value + '&';
 2637:                 unescapedcats = unescapedcats + document.chgcats.catname[i].value + ' & ';
 2638:             }
 2639:         }
 2640:         if (newcategories.length > 0) {
 2641:             newcategories = newcategories.slice(0,-1);
 2642:         }
 2643:         if (unescapedcats.length > 0) {
 2644:             unescapedcats = unescapedcats.slice(0,-3);
 2645:         }
 2646:     } else {
 2647:          if (document.chgcats.usecategory.checked == true) {
 2648:              newcategories = document.chgcats.usecategory.value;
 2649:              unescapedcats = document.chgcats.catname.value;
 2650:          }
 2651:     }
 2652:     opener.document.envform.categories_value.value = newcategories;
 2653:     opener.document.envform.categories_display.value = unescapedcats;
 2654:     opener.document.envform.categories_setparmval.checked = true;
 2655:     alert("$alert");
 2656:     self.close();
 2657:     return;
 2658: }
 2659: 
 2660: </script>
 2661: ENDSCRIPT
 2662:     } else {
 2663:         my $onload; 
 2664:     }
 2665:     my $start_page =
 2666:         &Apache::loncommon::start_page('Course Categories',$catwin_js,
 2667:                                        {'only_body'      => 1,});
 2668:     my $end_page = &Apache::loncommon::end_page();
 2669:     my $categoriesform = '<h3>'.&mt('Categorize Course').'</h3>';
 2670:     if ($hascats) {
 2671:         my %currsettings =
 2672:             &Apache::lonnet::get('environment',['hidefromcat','categories'],$cdom,$cnum);
 2673:         $categoriesform .= &mt('Assign one or more categories to this course.').'<br /><br />'.
 2674:                                '<form name="chgcats" action="/adm/parmset" method="post">'."\n"
 2675:                                .&Apache::loncommon::assign_categories_table($cathash,
 2676:                                                        $currsettings{'categories'})."\n"
 2677:                                .'<br /><input type="button" name="changes" value="'
 2678:                                .&mt('Copy to main window').'" '
 2679:                                .'onclick="javascript:updateCategories()" /></form><br />';
 2680:     } else {
 2681:         $categoriesform .= &mt('No categories defined for this domain');
 2682:     }
 2683:     $r->print($start_page.$categoriesform.$end_page);
 2684:     return;
 2685: }
 2686: 
 2687: ##################################################
 2688: # Overview mode
 2689: ##################################################
 2690: my $tableopen;
 2691: 
 2692: sub tablestart {
 2693:     if ($tableopen) {
 2694: 	return '';
 2695:     } else {
 2696: 	$tableopen=1;
 2697: 	return &Apache::loncommon::start_data_table().'<tr><th>'.&mt('Parameter').'</th><th>'.
 2698: 	    &mt('Delete').'</th><th>'.&mt('Set to ...').'</th></tr>';
 2699:     }
 2700: }
 2701: 
 2702: sub tableend {
 2703:     if ($tableopen) {
 2704: 	$tableopen=0;
 2705: 	return &Apache::loncommon::end_data_table();
 2706:     } else {
 2707: 	return'';
 2708:     }
 2709: }
 2710: 
 2711: sub readdata {
 2712:     my ($crs,$dom)=@_;
 2713: # Read coursedata
 2714:     my $resourcedata=&Apache::lonnet::get_courseresdata($crs,$dom);
 2715: # Read userdata
 2716: 
 2717:     my $classlist=&Apache::loncoursedata::get_classlist();
 2718:     foreach (keys %$classlist) {
 2719:         if ($_=~/^($match_username)\:($match_domain)$/) {
 2720: 	    my ($tuname,$tudom)=($1,$2);
 2721: 	    my $useropt=&Apache::lonnet::get_userresdata($tuname,$tudom);
 2722:             foreach my $userkey (keys %{$useropt}) {
 2723: 		if ($userkey=~/^$env{'request.course.id'}/) {
 2724:                     my $newkey=$userkey;
 2725: 		    $newkey=~s/^($env{'request.course.id'}\.)/$1\[useropt\:$tuname\:$tudom\]\./;
 2726: 		    $$resourcedata{$newkey}=$$useropt{$userkey};
 2727: 		}
 2728: 	    }
 2729: 	}
 2730:     }
 2731:     return $resourcedata;
 2732: }
 2733: 
 2734: 
 2735: # Setting
 2736: 
 2737: sub storedata {
 2738:     my ($r,$crs,$dom)=@_;
 2739: # Set userlevel immediately
 2740: # Do an intermediate store of course level
 2741:     my $olddata=&readdata($crs,$dom);
 2742:     my %newdata=();
 2743:     undef %newdata;
 2744:     my @deldata=();
 2745:     undef @deldata;
 2746:     foreach (keys %env) {
 2747: 	if ($_=~/^form\.([a-z]+)\_(.+)$/) {
 2748: 	    my $cmd=$1;
 2749: 	    my $thiskey=$2;
 2750: 	    my ($tuname,$tudom)=&extractuser($thiskey);
 2751: 	    my $tkey=$thiskey;
 2752:             if ($tuname) {
 2753: 		$tkey=~s/\.\[useropt\:$tuname\:$tudom\]\./\./;
 2754: 	    }
 2755: 	    if ($cmd eq 'set' || $cmd eq 'datepointer' || $cmd eq 'dateinterval') {
 2756: 		my ($data, $typeof, $text);
 2757: 		if ($cmd eq 'set') {
 2758: 		    $data=$env{$_};
 2759: 		    $typeof=$env{'form.typeof_'.$thiskey};
 2760: 		    $text = &mt('Saved modified parameter for');
 2761: 		} elsif ($cmd eq 'datepointer') {
 2762: 		    $data=&Apache::lonhtmlcommon::get_date_from_form($env{$_});
 2763: 		    $typeof=$env{'form.typeof_'.$thiskey};
 2764: 		    $text = &mt('Saved modified date for');
 2765: 		} elsif ($cmd eq 'dateinterval') {
 2766: 		    $data=&get_date_interval_from_form($thiskey);
 2767: 		    $typeof=$env{'form.typeof_'.$thiskey};
 2768: 		    $text = &mt('Saved modified date for');
 2769: 		}
 2770: 		if (defined($data) and $$olddata{$thiskey} ne $data) { 
 2771: 		    if ($tuname) {
 2772: 			if (&Apache::lonnet::put('resourcedata',{$tkey=>$data,
 2773: 								 $tkey.'.type' => $typeof},
 2774: 						 $tudom,$tuname) eq 'ok') {
 2775: 			    &log_parmset({$tkey=>$data,$tkey.'.type' => $typeof},0,$tuname,$tudom);
 2776: 			    $r->print('<br />'.$text.' '.
 2777: 				      &Apache::loncommon::plainname($tuname,$tudom));
 2778: 			} else {
 2779: 			    $r->print('<div class="LC_error">'.
 2780: 				      &mt('Error saving parameters').'</div>');
 2781: 			}
 2782: 			&Apache::lonnet::devalidateuserresdata($tuname,$tudom);
 2783: 		    } else {
 2784: 			$newdata{$thiskey}=$data;
 2785:  			$newdata{$thiskey.'.type'}=$typeof; 
 2786:                    } 
 2787: 		}
 2788: 	    } elsif ($cmd eq 'del') {
 2789: 		if ($tuname) {
 2790: 		    if (&Apache::lonnet::del('resourcedata',[$tkey],$tudom,$tuname) eq 'ok') {
 2791: 			    &log_parmset({$tkey=>''},1,$tuname,$tudom);
 2792: 			$r->print('<br />'.&mt('Deleted parameter for').' '.&Apache::loncommon::plainname($tuname,$tudom));
 2793: 		    } else {
 2794: 			$r->print('<div class="LC_error">'.
 2795: 				  &mt('Error deleting parameters').'</div>');
 2796: 		    }
 2797: 		    &Apache::lonnet::devalidateuserresdata($tuname,$tudom);
 2798: 		} else {
 2799: 		    push (@deldata,$thiskey,$thiskey.'.type');
 2800: 		}
 2801: 	    }
 2802: 	}
 2803:     }
 2804: # Store all course level
 2805:     my $delentries=$#deldata+1;
 2806:     my @newdatakeys=keys %newdata;
 2807:     my $putentries=$#newdatakeys+1;
 2808:     if ($delentries) {
 2809: 	if (&Apache::lonnet::del('resourcedata',\@deldata,$dom,$crs) eq 'ok') {
 2810: 	    my %loghash=map { $_ => '' } @deldata;
 2811: 	    &log_parmset(\%loghash,1);
 2812: 	    $r->print('<h2>'.&mt('Deleted [_1] parameter(s)</h2>',$delentries));
 2813: 	} else {
 2814: 	    $r->print('<div class="LC_error">'.
 2815: 		      &mt('Error deleting parameters').'</div>');
 2816: 	}
 2817: 	&Apache::lonnet::devalidatecourseresdata($crs,$dom);
 2818:     }
 2819:     if ($putentries) {
 2820: 	if (&Apache::lonnet::put('resourcedata',\%newdata,$dom,$crs) eq 'ok') {
 2821: 			    &log_parmset(\%newdata,0);
 2822: 	    $r->print('<h3>'.&mt('Saved [_1] parameter(s)',$putentries/2).'</h3>');
 2823: 	} else {
 2824: 	    $r->print('<div class="LC_error">'.
 2825: 		      &mt('Error saving parameters').'</div>');
 2826: 	}
 2827: 	&Apache::lonnet::devalidatecourseresdata($crs,$dom);
 2828:     }
 2829: }
 2830: 
 2831: sub extractuser {
 2832:     my $key=shift;
 2833:     return ($key=~/^$env{'request.course.id'}.\[useropt\:($match_username)\:($match_domain)\]\./);
 2834: }
 2835: 
 2836: sub parse_listdata_key {
 2837:     my ($key,$listdata) = @_;
 2838:     # split into student/section affected, and
 2839:     # the realm (folder/resource part and parameter
 2840:     my ($student,$realm) = 
 2841: 	($key=~/^\Q$env{'request.course.id'}\E\.\[([^\.]+)\]\.(.+)$/);
 2842:     # if course wide student would be undefined
 2843:     if (!defined($student)) {
 2844: 	($realm)=($key=~/^\Q$env{'request.course.id'}\E\.(.+)$/);
 2845:     }
 2846:     # strip off the .type if it's not the Question type parameter
 2847:     if ($realm=~/\.type$/ && !exists($listdata->{$key.'.type'})) {
 2848: 	$realm=~s/\.type//;
 2849:     }
 2850:     # split into resource+part and parameter name
 2851:     my ($res,    $parm) = ($realm=~/^(.*)\.(.*)$/);
 2852:        ($res, my $part) = ($res  =~/^(.*)\.(.*)$/);
 2853:     return ($student,$res,$part,$parm);
 2854: }
 2855: 
 2856: sub listdata {
 2857:     my ($r,$resourcedata,$listdata,$sortorder)=@_;
 2858: # Start list output
 2859: 
 2860:     my $oldsection='';
 2861:     my $oldrealm='';
 2862:     my $oldpart='';
 2863:     my $pointer=0;
 2864:     $tableopen=0;
 2865:     my $foundkeys=0;
 2866:     my %keyorder=&standardkeyorder();
 2867: 
 2868:     foreach my $thiskey (sort {
 2869: 	my ($astudent,$ares,$apart,$aparm) = &parse_listdata_key($a,$listdata);
 2870: 	my ($bstudent,$bres,$bpart,$bparm) = &parse_listdata_key($b,$listdata);
 2871: 
 2872: 	# get the numerical order for the param
 2873: 	$aparm=$keyorder{'parameter_0_'.$aparm};
 2874: 	$bparm=$keyorder{'parameter_0_'.$bparm};
 2875: 
 2876: 	my $result=0;
 2877: 
 2878: 	if ($sortorder eq 'realmstudent') {
 2879:             if ($ares     ne $bres    ) {
 2880: 		$result = ($ares     cmp $bres);
 2881:             } elsif ($astudent ne $bstudent) { 
 2882: 		$result = ($astudent cmp $bstudent);
 2883: 	    } elsif ($apart    ne $bpart   ) {
 2884: 		$result = ($apart    cmp $bpart);
 2885: 	    }
 2886: 	} else {
 2887: 	    if      ($astudent ne $bstudent) { 
 2888: 		$result = ($astudent cmp $bstudent);
 2889: 	    } elsif ($ares     ne $bres    ) {
 2890: 		$result = ($ares     cmp $bres);
 2891: 	    } elsif ($apart    ne $bpart   ) {
 2892: 		$result = ($apart    cmp $bpart);
 2893: 	    }
 2894: 	}
 2895: 	    
 2896: 	if (!$result) {
 2897:             if (defined($aparm) && defined($bparm)) {
 2898: 		$result = ($aparm <=> $bparm);
 2899:             } elsif (defined($aparm)) {
 2900: 		$result = -1;
 2901:             } elsif (defined($bparm)) {
 2902: 		$result = 1;
 2903: 	    }
 2904: 	}
 2905: 
 2906: 	$result;
 2907:     } keys %{$listdata}) {
 2908: 
 2909: 	if ($$listdata{$thiskey.'.type'}) {
 2910:             my $thistype=$$listdata{$thiskey.'.type'};
 2911:             if ($$resourcedata{$thiskey.'.type'}) {
 2912: 		$thistype=$$resourcedata{$thiskey.'.type'};
 2913: 	    }
 2914: 	    my ($middle,$part,$name)=
 2915: 		($thiskey=~/^$env{'request.course.id'}\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
 2916: 	    my $section=&mt('All Students');
 2917: 	    if ($middle=~/^\[(.*)\]/) {
 2918: 		my $issection=$1;
 2919: 		if ($issection=~/^useropt\:($match_username)\:($match_domain)/) {
 2920: 		    $section=&mt('User').": ".&Apache::loncommon::plainname($1,$2);
 2921: 		} else {
 2922: 		    $section=&mt('Group/Section').': '.$issection;
 2923: 		}
 2924: 		$middle=~s/^\[(.*)\]//;
 2925: 	    }
 2926: 	    $middle=~s/\.+$//;
 2927: 	    $middle=~s/^\.+//;
 2928: 	    my $realm='<span class="LC_parm_scope_all">'.&mt('All Resources').'</span>';
 2929: 	    if ($middle=~/^(.+)\_\_\_\(all\)$/) {
 2930: 		$realm='<span class="LC_parm_scope_folder">'.&mt('Folder/Map').': '.&Apache::lonnet::gettitle($1).' <br /><span class="LC_parm_folder">('.$1.')</span></span>';
 2931: 	    } elsif ($middle) {
 2932: 		my ($map,$id,$url)=&Apache::lonnet::decode_symb($middle);
 2933: 		$realm='<span class="LC_parm_scope_resource">'.&mt('Resource').': '.&Apache::lonnet::gettitle($middle).' <br /><span class="LC_parm_symb">('.$url.' in '.$map.' id: '.$id.')</span></span>';
 2934: 	    }
 2935: 	    if ($sortorder eq 'realmstudent') {
 2936: 		if ($realm ne $oldrealm) {
 2937: 		    $r->print(&tableend()."\n<hr /><h1>$realm</h1>");
 2938: 		    $oldrealm=$realm;
 2939: 		    $oldsection='';
 2940: 		}
 2941: 		if ($section ne $oldsection) {
 2942: 		    $r->print(&tableend()."\n<h2>$section</h2>");
 2943: 		    $oldsection=$section;
 2944: 		    $oldpart='';
 2945: 		}
 2946: 	    } else {
 2947: 		if ($section ne $oldsection) {
 2948: 		    $r->print(&tableend()."\n<hr /><h1>$section</h1>");
 2949: 		    $oldsection=$section;
 2950: 		    $oldrealm='';
 2951: 		}
 2952: 		if ($realm ne $oldrealm) {
 2953: 		    $r->print(&tableend()."\n<h2>$realm</h2>");
 2954: 		    $oldrealm=$realm;
 2955: 		    $oldpart='';
 2956: 		}
 2957: 	    }
 2958: 	    if ($part ne $oldpart) {
 2959: 		$r->print(&tableend().
 2960: 			  "\n<span class=\"LC_parm_part\">".&mt('Part').": $part</span>");
 2961: 		$oldpart=$part;
 2962: 	    }
 2963: #
 2964: # Ready to print
 2965: #
 2966: 	    $r->print(&tablestart().
 2967: 		      &Apache::loncommon::start_data_table_row().
 2968: 		      '<td><b>'.&standard_parameter_names($name).
 2969: 		      '</b></td><td><input type="checkbox" name="del_'.
 2970: 		      $thiskey.'" /></td><td>');
 2971: 	    $foundkeys++;
 2972: 	    if (&isdateparm($thistype)) {
 2973: 		my $jskey='key_'.$pointer;
 2974: 		$pointer++;
 2975: 		$r->print(
 2976: 			  &Apache::lonhtmlcommon::date_setter('parmform',
 2977: 							      $jskey,
 2978: 						      $$resourcedata{$thiskey},
 2979: 							      '',1,'','').
 2980: '<input type="hidden" name="datepointer_'.$thiskey.'" value="'.$jskey.'" />'.
 2981: (($$resourcedata{$thiskey}!=0)?'<span class="LC_nobreak"><a href="/adm/parmset?&action=dateshift1&timebase='.$$resourcedata{$thiskey}.'">'.
 2982: &mt('Shift all dates based on this date').'</a></span>':'').
 2983: &date_sanity_info($$resourcedata{$thiskey})
 2984: 			  );
 2985: 	    } elsif ($thistype eq 'date_interval') {
 2986: 		$r->print(&date_interval_selector($thiskey,
 2987: 						  $$resourcedata{$thiskey}));
 2988: 	    } elsif ($thistype =~ m/^string/) {
 2989: 		$r->print(&string_selector($thistype,$thiskey,
 2990: 					   $$resourcedata{$thiskey}));
 2991: 	    } else {
 2992: 		$r->print(&default_selector($thiskey,$$resourcedata{$thiskey}));
 2993: 	    }
 2994: 	    $r->print('<input type="hidden" name="typeof_'.$thiskey.'" value="'.
 2995: 		      $thistype.'">');
 2996: 	    $r->print('</td>'.&Apache::loncommon::end_data_table_row());
 2997: 	}
 2998:     }
 2999:     return $foundkeys;
 3000: }
 3001: 
 3002: 
 3003: sub date_interval_selector {
 3004:     my ($thiskey, $showval) = @_;
 3005:     my $result;
 3006:     foreach my $which (['days', 86400, 31],
 3007: 		       ['hours', 3600, 23],
 3008: 		       ['minutes', 60, 59],
 3009: 		       ['seconds',  1, 59]) {
 3010: 	my ($name, $factor, $max) = @{ $which };
 3011: 	my $amount = int($showval/$factor);
 3012: 	$showval  %= $factor;
 3013: 	my %select = ((map {$_ => $_} (0..$max)),
 3014: 		      'select_form_order' => [0..$max]);
 3015: 	$result .= &Apache::loncommon::select_form($amount,$name.'_'.$thiskey,
 3016: 						   %select);
 3017: 	$result .= ' '.&mt($name);
 3018:     }
 3019:     $result .= '<input type="hidden" name="dateinterval_'.$thiskey.'" />';
 3020:     return $result;
 3021: 
 3022: }
 3023: 
 3024: sub get_date_interval_from_form {
 3025:     my ($key) = @_;
 3026:     my $seconds = 0;
 3027:     foreach my $which (['days', 86400],
 3028: 		       ['hours', 3600],
 3029: 		       ['minutes', 60],
 3030: 		       ['seconds',  1]) {
 3031: 	my ($name, $factor) = @{ $which };
 3032: 	if (defined($env{'form.'.$name.'_'.$key})) {
 3033: 	    $seconds += $env{'form.'.$name.'_'.$key} * $factor;
 3034: 	}
 3035:     }
 3036:     return $seconds;
 3037: }
 3038: 
 3039: 
 3040: sub default_selector {
 3041:     my ($thiskey, $showval) = @_;
 3042:     return '<input type="text" name="set_'.$thiskey.'" value="'.$showval.'" />';
 3043: }
 3044: 
 3045: my %strings = 
 3046:     (
 3047:      'string_yesno'
 3048:              => [[ 'yes', 'Yes' ],
 3049: 		 [ 'no', 'No' ]],
 3050:      'string_problemstatus'
 3051:              => [[ 'yes', 'Yes' ],
 3052: 		 [ 'answer', 'Yes, and show correct answer if they exceed the maximum number of tries.' ],
 3053: 		 [ 'no', 'No, don\'t show correct/incorrect feedback.' ],
 3054: 		 [ 'no_feedback_ever', 'No, show no feedback at all.' ]],
 3055:      );
 3056: 
 3057: 
 3058: sub string_selector {
 3059:     my ($thistype, $thiskey, $showval) = @_;
 3060:     
 3061:     if (!exists($strings{$thistype})) {
 3062: 	return &default_selector($thiskey,$showval);
 3063:     }
 3064: 
 3065:     my $result;
 3066:     foreach my $possibilities (@{ $strings{$thistype} }) {
 3067: 	my ($name, $description) = @{ $possibilities };
 3068: 	$result .= '<label><input type="radio" name="set_'.$thiskey.
 3069: 		  '" value="'.$name.'"';
 3070: 	if ($showval eq $name) {
 3071: 	    $result .= ' checked="checked"';
 3072: 	}
 3073: 	$result .= ' />'.&mt($description).'</label> ';
 3074:     }
 3075:     return $result;
 3076: }
 3077: 
 3078: #
 3079: # Shift all start and end dates by $shift
 3080: #
 3081: 
 3082: sub dateshift {
 3083:     my ($shift)=@_;
 3084:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3085:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 3086:     my %data=&Apache::lonnet::dump('resourcedata',$dom,$crs);
 3087: # ugly retro fix for broken version of types
 3088:     foreach my $key (keys %data) {
 3089:         if ($key=~/\wtype$/) {
 3090:             my $newkey=$key;
 3091:             $newkey=~s/type$/\.type/;
 3092:             $data{$newkey}=$data{$key};
 3093:             delete $data{$key};
 3094:         }
 3095:     }
 3096:     my %storecontent=();
 3097: # go through all parameters and look for dates
 3098:     foreach my $key (keys %data) {
 3099:        if ($data{$key.'.type'}=~/^date_(start|end)$/) {
 3100:           my $newdate=$data{$key}+$shift;
 3101:           $storecontent{$key}=$newdate;
 3102:        }
 3103:     }
 3104:     my $reply=&Apache::lonnet::cput
 3105:                 ('resourcedata',\%storecontent,$dom,$crs);
 3106:     if ($reply eq 'ok') {
 3107:        &log_parmset(\%storecontent);
 3108:     }
 3109:     &Apache::lonnet::devalidatecourseresdata($crs,$dom);
 3110:     return $reply;
 3111: }
 3112: 
 3113: sub newoverview {
 3114:     my ($r) = @_;
 3115: 
 3116:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3117:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 3118:     my $start_page = &Apache::loncommon::start_page('Set Parameters');
 3119:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Overview');
 3120:     $r->print(<<ENDOVER);
 3121: $start_page
 3122: $breadcrumbs
 3123: <form method="post" action="/adm/parmset?action=newoverview" name="parmform">
 3124: ENDOVER
 3125:     my @ids=();
 3126:     my %typep=();
 3127:     my %keyp=();
 3128:     my %allparms=();
 3129:     my %allparts=();
 3130:     my %allmaps=();
 3131:     my %mapp=();
 3132:     my %symbp=();
 3133:     my %maptitles=();
 3134:     my %uris=();
 3135:     my %keyorder=&standardkeyorder();
 3136:     my %defkeytype=();
 3137: 
 3138:     my %alllevs=();
 3139:     $alllevs{'Resource Level'}='full';
 3140:     $alllevs{'Map/Folder Level'}='map';
 3141:     $alllevs{'Course Level'}='general';
 3142: 
 3143:     my $csec=$env{'form.csec'};
 3144:     my $cgroup=$env{'form.cgroup'};
 3145: 
 3146:     my @pscat=&Apache::loncommon::get_env_multiple('form.pscat');
 3147:     my $pschp=$env{'form.pschp'};
 3148:     my @psprt=&Apache::loncommon::get_env_multiple('form.psprt');
 3149:     if (!@psprt) { $psprt[0]='0'; }
 3150: 
 3151:     my @selected_sections = 
 3152: 	&Apache::loncommon::get_env_multiple('form.Section');
 3153:     @selected_sections = ('all') if (! @selected_sections);
 3154:     foreach my $sec (@selected_sections) {
 3155:         if ($sec eq 'all') {
 3156:             @selected_sections = ('all');
 3157:         }
 3158:     }
 3159:     my @selected_groups =
 3160:         &Apache::loncommon::get_env_multiple('form.Group');
 3161: 
 3162:     my $pssymb='';
 3163:     my $parmlev='';
 3164:  
 3165:     unless ($env{'form.parmlev'}) {
 3166:         $parmlev = 'map';
 3167:     } else {
 3168:         $parmlev = $env{'form.parmlev'};
 3169:     }
 3170: 
 3171:     &extractResourceInformation(\@ids, \%typep,\%keyp, \%allparms, \%allparts, \%allmaps, 
 3172: 				\%mapp, \%symbp,\%maptitles,\%uris,
 3173: 				\%keyorder,\%defkeytype);
 3174: 
 3175:     if (grep {$_ eq 'all'} (@psprt)) {
 3176: 	@psprt = keys(%allparts);
 3177:     }
 3178: # Menu to select levels, etc
 3179: 
 3180:     $r->print('<table id="LC_parm_overview_scope">
 3181:                <tr><td class="LC_parm_overview_level_menu">');
 3182:     &levelmenu($r,\%alllevs,$parmlev);
 3183:     if ($parmlev ne 'general') {
 3184: 	$r->print('<td class="LC_parm_overview_map_menu">');
 3185: 	&mapmenu($r,\%allmaps,$pschp,\%maptitles);
 3186: 	$r->print('</td>');
 3187:     }
 3188:     $r->print('</td></tr></table>');
 3189: 
 3190:     $r->print('<table id="LC_parm_overview_controls">
 3191:                <tr><td class="LC_parm_overview_parm_selectors">');  
 3192:     &parmmenu($r,\%allparms,\@pscat,\%keyorder);
 3193:     $r->print('</td><td class="LC_parm_overview_restrictions">
 3194:                 <table class="LC_parm_overview_restrictions">'.
 3195:               '<tr><th>'.&mt('Parts').'</th><th>'.&mt('Section(s)').
 3196:               '</th><th>'.&mt('Group(s)').'</th></tr><tr><td>');
 3197:     &partmenu($r,\%allparts,\@psprt);
 3198:     $r->print('</td><td>');
 3199:     &sectionmenu($r,\@selected_sections);
 3200:     $r->print('</td><td>');
 3201:     &groupmenu($r,\@selected_groups);
 3202:     $r->print('</td></tr></table>');
 3203:     $r->print('</td></tr></table>');
 3204:  
 3205:     my $sortorder=$env{'form.sortorder'};
 3206:     unless ($sortorder) { $sortorder='realmstudent'; }
 3207:     &sortmenu($r,$sortorder);
 3208: 
 3209:     $r->print('<p><input type="submit" name="dis" value="'.&mt('Display').'" /></p>');
 3210: 
 3211: # Build the list data hash from the specified parms
 3212: 
 3213:     my $listdata;
 3214:     %{$listdata}=();
 3215: 
 3216:     foreach my $cat (@pscat) {
 3217:         &secgroup_lister($cat,$pschp,$parmlev,$listdata,\@psprt,\@selected_sections,\%defkeytype,\%allmaps,\@ids,\%symbp);
 3218:         &secgroup_lister($cat,$pschp,$parmlev,$listdata,\@psprt,\@selected_groups,\%defkeytype,\%allmaps,\@ids,\%symbp);
 3219:     }
 3220: 
 3221:     if (($env{'form.store'}) || ($env{'form.dis'})) {
 3222: 
 3223: 	if ($env{'form.store'}) { &storedata($r,$crs,$dom); }
 3224: 
 3225: # Read modified data
 3226: 
 3227: 	my $resourcedata=&readdata($crs,$dom);
 3228: 
 3229: # List data
 3230: 
 3231: 	&listdata($r,$resourcedata,$listdata,$sortorder);
 3232:     }
 3233:     $r->print(&tableend().
 3234: 	     ((($env{'form.store'}) || ($env{'form.dis'}))?'<p><input type="submit" name="store" value="'.&mt('Save').'" /></p>':'').
 3235: 	      '</form>'.&Apache::loncommon::end_page());
 3236: }
 3237: 
 3238: sub secgroup_lister {
 3239:     my ($cat,$pschp,$parmlev,$listdata,$psprt,$selections,$defkeytype,$allmaps,$ids,$symbp) = @_;
 3240:     foreach my $item (@{$selections}) {
 3241:         foreach my $part (@{$psprt}) {
 3242:             my $rootparmkey=$env{'request.course.id'};
 3243:             if (($item ne 'all') && ($item ne 'none') && ($item)) {
 3244:                 $rootparmkey.='.['.$item.']';
 3245:             }
 3246:             if ($parmlev eq 'general') {
 3247: # course-level parameter
 3248:                 my $newparmkey=$rootparmkey.'.'.$part.'.'.$cat;
 3249:                 $$listdata{$newparmkey}=1;
 3250:                 $$listdata{$newparmkey.'.type'}=$$defkeytype{$cat};
 3251:             } elsif ($parmlev eq 'map') {
 3252: # map-level parameter
 3253:                 foreach my $mapid (keys %{$allmaps}) {
 3254:                     if (($pschp ne 'all') && ($pschp ne $mapid)) { next; }
 3255:                     my $newparmkey=$rootparmkey.'.'.$$allmaps{$mapid}.'___(all).'.$part.'.'.$cat;
 3256:                     $$listdata{$newparmkey}=1;
 3257:                     $$listdata{$newparmkey.'.type'}=$$defkeytype{$cat};
 3258:                 }
 3259:             } else {
 3260: # resource-level parameter
 3261:                 foreach my $rid (@{$ids}) {
 3262:                     my ($map,$resid,$url)=&Apache::lonnet::decode_symb($$symbp{$rid});
 3263:                     if (($pschp ne 'all') && ($$allmaps{$pschp} ne $map)) { next; }
 3264:                     my $newparmkey=$rootparmkey.'.'.$$symbp{$rid}.'.'.$part.'.'.$cat;
 3265:                     $$listdata{$newparmkey}=1;
 3266:                     $$listdata{$newparmkey.'.type'}=$$defkeytype{$cat};
 3267:                 }
 3268:             }
 3269:         }
 3270:     }
 3271: }
 3272: 
 3273: sub overview {
 3274:     my ($r) = @_;
 3275:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3276:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 3277: 
 3278:     my $start_page=&Apache::loncommon::start_page('Modify Parameters');
 3279:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Overview');
 3280:     $r->print(<<ENDOVER);
 3281: $start_page
 3282: $breadcrumbs
 3283: <form method="post" action="/adm/parmset?action=setoverview" name="parmform">
 3284: ENDOVER
 3285: # Store modified
 3286: 
 3287:     &storedata($r,$crs,$dom);
 3288: 
 3289: # Read modified data
 3290: 
 3291:     my $resourcedata=&readdata($crs,$dom);
 3292: 
 3293: 
 3294:     my $sortorder=$env{'form.sortorder'};
 3295:     unless ($sortorder) { $sortorder='realmstudent'; }
 3296:     &sortmenu($r,$sortorder);
 3297: 
 3298: # List data
 3299: 
 3300:     my $foundkeys=&listdata($r,$resourcedata,$resourcedata,$sortorder);
 3301: 
 3302:     $r->print(&tableend().'<p>'.
 3303: 	($foundkeys?'<input type="submit" value="'.&mt('Modify Parameters').'" />':&mt('There are no parameters.')).'</p></form>'.
 3304: 	      &Apache::loncommon::end_page());
 3305: }
 3306: 
 3307: sub clean_parameters {
 3308:     my ($r) = @_;
 3309:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3310:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 3311: 
 3312:     my $start_page=&Apache::loncommon::start_page('Clean Parameters');
 3313:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Clean');
 3314:     $r->print(<<ENDOVER);
 3315: $start_page
 3316: $breadcrumbs
 3317: <form method="post" action="/adm/parmset?action=cleanparameters" name="parmform">
 3318: ENDOVER
 3319: # Store modified
 3320: 
 3321:     &storedata($r,$crs,$dom);
 3322: 
 3323: # Read modified data
 3324: 
 3325:     my $resourcedata=&readdata($crs,$dom);
 3326: 
 3327: # List data
 3328: 
 3329:     $r->print('<h3>'.
 3330: 	      &mt('These parameters refer to resources that do not exist.').
 3331: 	      '</h3>'.
 3332: 	      '<input type="submit" value="'.&mt('Delete Checked Parameters').'" />'.'<br />'.
 3333: 	      '<br />');
 3334:     $r->print(&Apache::loncommon::start_data_table().
 3335: 	      '<tr>'.
 3336: 	      '<th>'.&mt('Delete').'</th>'.
 3337: 	      '<th>'.&mt('Parameter').'</th>'.
 3338: 	      '</tr>');
 3339:     foreach my $thiskey (sort(keys(%{$resourcedata}))) {
 3340: 	next if (!exists($resourcedata->{$thiskey.'.type'})
 3341: 		 && $thiskey=~/\.type$/);
 3342: 	my %data = &parse_key($thiskey);
 3343: 	if (1) { #exists($data{'realm_exists'})
 3344: 	    #&& !$data{'realm_exists'}) {
 3345: 	    $r->print(&Apache::loncommon::start_data_table_row().
 3346: 		      '<tr>'.
 3347: 		      '<td><input type="checkbox" name="del_'.$thiskey.'" /></td>'		      );
 3348: 	    
 3349: 	    $r->print('<td>');
 3350: 	    my $display_value = $resourcedata->{$thiskey};
 3351: 	    if (&isdateparm($resourcedata->{$thiskey.'.type'})) {
 3352: 		$display_value = 
 3353: 		    &Apache::lonlocal::locallocaltime($display_value);
 3354: 	    }
 3355: 	    $r->print(&mt('Parameter: "[_1]" with value: "[_2]"',
 3356: 			  &standard_parameter_names($data{'parameter_name'}),
 3357: 			  $resourcedata->{$thiskey}));
 3358: 	    $r->print('<br />');
 3359: 	    if ($data{'scope_type'} eq 'all') {
 3360: 		$r->print(&mt('All users'));
 3361: 	    } elsif ($data{'scope_type'} eq 'user') {
 3362: 		$r->print(&mt('User: [_1]',join(':',@{$data{'scope'}})));
 3363: 	    } elsif ($data{'scope_type'} eq 'section') {
 3364: 		$r->print(&mt('Section: [_1]',$data{'scope'}));
 3365: 	    } elsif ($data{'scope_type'} eq 'group') {
 3366: 		$r->print(&mt('Group: [_1]',$data{'scope'}));
 3367: 	    }
 3368: 	    $r->print('<br />');
 3369: 	    if ($data{'realm_type'} eq 'all') {
 3370: 		$r->print(&mt('All Resources'));
 3371: 	    } elsif ($data{'realm_type'} eq 'folder') {
 3372: 		$r->print(&mt('Folder: [_1]'),$data{'realm'});
 3373: 	    } elsif ($data{'realm_type'} eq 'symb') {
 3374: 		my ($map,$resid,$url) =
 3375: 		    &Apache::lonnet::decode_symb($data{'realm'});
 3376: 		$r->print(&mt('Resource: [_1] <br />&nbsp;&nbsp;&nbsp;with ID: [_2] <br />&nbsp;&nbsp;&nbsp;in folder [_3]',
 3377: 			      $url,$resid,$map));
 3378: 	    }
 3379: 	    $r->print(' <br />&nbsp;&nbsp;&nbsp;'.&mt('Part: [_1]',$data{'parameter_part'}));
 3380: 	    $r->print('</td></tr>');
 3381: 	
 3382: 	}
 3383:     }
 3384:     $r->print(&Apache::loncommon::end_data_table().'<p>'.
 3385: 	      '<input type="submit" value="'.&mt('Delete Checked Parameters').'" />'.
 3386: 	      '</p></form>'.
 3387: 	      &Apache::loncommon::end_page());
 3388: }
 3389: 
 3390: sub date_shift_one {
 3391:     my ($r) = @_;
 3392:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3393:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 3394: 
 3395:     my $start_page=&Apache::loncommon::start_page('Shift Dates');
 3396:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Shift');
 3397:     $r->print(<<ENDOVER);
 3398: $start_page
 3399: $breadcrumbs
 3400: ENDOVER
 3401:     $r->print('<form name="shiftform" method="post">'.
 3402:               '<table><tr><td>'.&mt('Currently set date:').'</td><td>'.
 3403:               &Apache::lonlocal::locallocaltime($env{'form.timebase'}).'</td></tr>'.
 3404:               '<tr><td>'.&mt('Shifted date:').'</td><td>'.
 3405:                     &Apache::lonhtmlcommon::date_setter('shiftform',
 3406:                                                         'timeshifted',
 3407:                                                         $env{'form.timebase'},,
 3408:                                                         '').
 3409:               '</td></tr></table>'.
 3410:               '<input type="hidden" name="action" value="dateshift2" />'.
 3411:               '<input type="hidden" name="timebase" value="'.$env{'form.timebase'}.'" />'.
 3412:               '<input type="submit" value="'.&mt('Shift all dates accordingly').'" /></form>');
 3413:     $r->print(&Apache::loncommon::end_page());
 3414: }
 3415: 
 3416: sub date_shift_two {
 3417:     my ($r) = @_;
 3418:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3419:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 3420:     my $start_page=&Apache::loncommon::start_page('Shift Dates');
 3421:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Shift');
 3422:     $r->print(<<ENDOVER);
 3423: $start_page
 3424: $breadcrumbs
 3425: ENDOVER
 3426:     my $timeshifted=&Apache::lonhtmlcommon::get_date_from_form('timeshifted');
 3427:     $r->print(&mt('Shifting all dates such that [_1] becomes [_2]',
 3428:               &Apache::lonlocal::locallocaltime($env{'form.timebase'}),
 3429:               &Apache::lonlocal::locallocaltime($timeshifted)));
 3430:     my $delta=$timeshifted-$env{'form.timebase'};
 3431:     &dateshift($delta);
 3432:     $r->print(&Apache::loncommon::end_page());
 3433: }
 3434: 
 3435: sub parse_key {
 3436:     my ($key) = @_;
 3437:     my %data;
 3438:     my ($middle,$part,$name)=
 3439: 	($key=~/^$env{'request.course.id'}\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
 3440:     $data{'scope_type'} = 'all';
 3441:     if ($middle=~/^\[(.*)\]/) {
 3442:        	$data{'scope'} = $1;
 3443: 	if ($data{'scope'}=~/^useropt\:($match_username)\:($match_domain)/) {
 3444: 	    $data{'scope_type'} = 'user';
 3445: 	    $data{'scope'} = [$1,$2];
 3446: 	} else {
 3447: 	    #FIXME check for group scope
 3448: 	    $data{'scope_type'} = 'section';
 3449: 	}
 3450: 	$middle=~s/^\[(.*)\]//;
 3451:     }
 3452:     $middle=~s/\.+$//;
 3453:     $middle=~s/^\.+//;
 3454:     $data{'realm_type'}='all';
 3455:     if ($middle=~/^(.+)\_\_\_\(all\)$/) {
 3456: 	$data{'realm'} = $1;
 3457: 	$data{'realm_type'} = 'folder';
 3458: 	$data{'realm_title'} = &Apache::lonnet::gettitle($data{'realm'});
 3459: 	($data{'realm_exists'}) = &Apache::lonnet::is_on_map($data{'realm'});
 3460:     } elsif ($middle) {
 3461: 	$data{'realm'} = $middle;
 3462: 	$data{'realm_type'} = 'symb';
 3463: 	$data{'realm_title'} = &Apache::lonnet::gettitle($data{'realm'});
 3464: 	my ($map,$resid,$url) = &Apache::lonnet::decode_symb($data{'realm'});
 3465: 	$data{'realm_exists'} = &Apache::lonnet::symbverify($data{'realm'},$url);
 3466:     }
 3467:     
 3468:     $data{'parameter_part'} = $part;
 3469:     $data{'parameter_name'} = $name;
 3470: 
 3471:     return %data;
 3472: }
 3473: 
 3474: ##################################################
 3475: ##################################################
 3476: 
 3477: =pod
 3478: 
 3479: =item check_cloners
 3480: 
 3481: Checks if new users included in list of allowed cloners
 3482: are valid users.  Replaces supplied list with 
 3483: cleaned list containing only users with valid usernames
 3484: and domains.
 3485: 
 3486: Inputs: $clonelist, $oldcloner 
 3487: where $clonelist is ref to array of requested cloners,
 3488: and $oldcloner is ref to array of currently allowed
 3489: cloners.
 3490: 
 3491: Returns: string - comma separated list of requested
 3492: cloners (username:domain) who do not exist in system.
 3493: 
 3494: =item change_clone
 3495: 
 3496: Modifies the list of courses a user can clone (stored
 3497: in the user's environment.db file), called when a
 3498: change is made to the list of users allowed to clone
 3499: a course.
 3500: 
 3501: Inputs: $action,$cloner
 3502: where $action is add or drop, and $cloner is identity of 
 3503: user for whom cloning ability is to be changed in course. 
 3504: 
 3505: =cut
 3506: 
 3507: ##################################################
 3508: ##################################################
 3509: 
 3510: sub extract_cloners {
 3511:     my ($clonelist,$allowclone) = @_;
 3512:     if ($clonelist =~ /,/) {
 3513:         @{$allowclone} = split(/,/,$clonelist);
 3514:     } else {
 3515:         $$allowclone[0] = $clonelist;
 3516:     }
 3517: }
 3518: 
 3519: sub check_cloners {
 3520:     my ($clonelist,$oldcloner) = @_;
 3521:     my ($clean_clonelist,%disallowed);
 3522:     my @allowclone = ();
 3523:     &extract_cloners($$clonelist,\@allowclone);
 3524:     foreach my $currclone (@allowclone) {
 3525:         if (!grep(/^\Q$currclone\E$/,@$oldcloner)) {
 3526:             if ($currclone eq '*') {
 3527:                 $clean_clonelist .= $currclone.',';
 3528:             } else {
 3529:                 my ($uname,$udom) = split(/:/,$currclone);
 3530:                 if ($uname eq '*') {
 3531:                     if ($udom =~ /^$match_domain$/) {
 3532:                         if (!&Apache::lonnet::domain($udom)) {
 3533:                             $disallowed{'domain'} .= $currclone.',';
 3534:                         } else {
 3535:                             $clean_clonelist .= $currclone.',';
 3536:                         }
 3537:                     } else {
 3538:                         $disallowed{'format'} .= $currclone.',';
 3539:                     }
 3540:                 } elsif ($currclone !~/^($match_username)\:($match_domain)$/) {
 3541:                     $disallowed{'format'} .= $currclone.','; 
 3542:                 } else {
 3543:                     if (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
 3544:                         $disallowed{'newuser'} .= $currclone.',';
 3545:                     } else {
 3546:                         $clean_clonelist .= $currclone.',';
 3547:                     }
 3548:                 }
 3549:             }
 3550:         } else {
 3551:             $clean_clonelist .= $currclone.',';
 3552:         }
 3553:     }
 3554:     foreach my $key (keys(%disallowed)) {
 3555:         $disallowed{$key} =~ s/,$//;
 3556:     }
 3557:     if ($clean_clonelist) {
 3558:         $clean_clonelist =~ s/,$//;
 3559:     }
 3560:     $$clonelist = $clean_clonelist;
 3561:     return %disallowed;
 3562: }
 3563: 
 3564: sub change_clone {
 3565:     my ($clonelist,$oldcloner) = @_;
 3566:     my ($uname,$udom);
 3567:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 3568:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3569:     my $clone_crs = $cnum.':'.$cdom;
 3570:     
 3571:     if ($cnum && $cdom) {
 3572:         my @allowclone;
 3573:         &extract_cloners($clonelist,\@allowclone);
 3574:         foreach my $currclone (@allowclone) {
 3575:             if (!grep(/^$currclone$/,@$oldcloner)) {
 3576:                 if ($currclone ne '*') {
 3577:                     ($uname,$udom) = split(/:/,$currclone);
 3578:                     if ($uname && $udom && $uname ne '*') {
 3579:                         if (&Apache::lonnet::homeserver($uname,$udom) ne 'no_host') {
 3580:                             my %currclonecrs = &Apache::lonnet::dump('environment',$udom,$uname,'cloneable');
 3581:                             if ($currclonecrs{'cloneable'} !~ /\Q$clone_crs\E/) {
 3582:                                 if ($currclonecrs{'cloneable'} eq '') {
 3583:                                     $currclonecrs{'cloneable'} = $clone_crs;
 3584:                                 } else {
 3585:                                     $currclonecrs{'cloneable'} .= ','.$clone_crs;
 3586:                                 }
 3587:                                 &Apache::lonnet::put('environment',\%currclonecrs,$udom,$uname);
 3588:                             }
 3589:                         }
 3590:                     }
 3591:                 }
 3592:             }
 3593:         }
 3594:         foreach my $oldclone (@$oldcloner) {
 3595:             if (!grep(/^\Q$oldclone\E$/,@allowclone)) {
 3596:                 if ($oldclone ne '*') {
 3597:                     ($uname,$udom) = split(/:/,$oldclone);
 3598:                     if ($uname && $udom && $uname ne '*' ) {
 3599:                         if (&Apache::lonnet::homeserver($uname,$udom) ne 'no_host') {
 3600:                             my %currclonecrs = &Apache::lonnet::dump('environment',$udom,$uname,'cloneable');
 3601:                             my %newclonecrs = ();
 3602:                             if ($currclonecrs{'cloneable'} =~ /\Q$clone_crs\E/) {
 3603:                                 if ($currclonecrs{'cloneable'} =~ /,/) {
 3604:                                     my @currclonecrs = split/,/,$currclonecrs{'cloneable'};
 3605:                                     foreach my $crs (@currclonecrs) {
 3606:                                         if ($crs ne $clone_crs) {
 3607:                                             $newclonecrs{'cloneable'} .= $crs.',';
 3608:                                         }
 3609:                                     }
 3610:                                     $newclonecrs{'cloneable'} =~ s/,$//;
 3611:                                 } else {
 3612:                                     $newclonecrs{'cloneable'} = '';
 3613:                                 }
 3614:                                 &Apache::lonnet::put('environment',\%newclonecrs,$udom,$uname);
 3615:                             }
 3616:                         }
 3617:                     }
 3618:                 }
 3619:             }
 3620:         }
 3621:     }
 3622: }
 3623: 
 3624: 
 3625: ##################################################
 3626: ##################################################
 3627: 
 3628: =pod
 3629: 
 3630: =item * header
 3631: 
 3632: Output html header for page
 3633: 
 3634: =cut
 3635: 
 3636: ##################################################
 3637: ##################################################
 3638: sub header {
 3639:     return &Apache::loncommon::start_page('Parameter Manager');
 3640: }
 3641: ##################################################
 3642: ##################################################
 3643: sub print_main_menu {
 3644:     my ($r,$parm_permission)=@_;
 3645:     #
 3646:     $r->print(<<ENDMAINFORMHEAD);
 3647: <form method="post" enctype="multipart/form-data"
 3648:       action="/adm/parmset" name="studentform">
 3649: ENDMAINFORMHEAD
 3650: #
 3651:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 3652:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3653:     my $vgr  = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
 3654:     my $mgr  = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
 3655: 
 3656:     my @menu =
 3657:         ( { divider=>'Settings for Your Course',
 3658: 	  },
 3659:           { text => 'Set Course Environment',
 3660: 	    action => 'crsenv',
 3661:             permission => $parm_permission,
 3662:             help => 'Course_Environment',
 3663:             },
 3664:           { text => 'Set Portfolio Metadata',
 3665: 	    action => 'setrestrictmeta',
 3666:             permission => $parm_permission,
 3667:             },
 3668: 	  { text => 'Manage Course Slots',
 3669: 	    url => '/adm/slotrequest?command=showslots',
 3670: 	    permission => $vgr,
 3671:             },
 3672: 	  { text => 'Reset Student Access Times',
 3673: 	    url => '/adm/helper/resettimes.helper',
 3674: 	    permission => $mgr,
 3675:             },
 3676: 
 3677:           { text => 'Set Parameter Setting Default Actions',
 3678:             action => 'setdefaults',
 3679:             permission => $parm_permission,
 3680:             },          
 3681: 	  { divider => 'New and Existing Parameter Settings for Your Resources',
 3682: 	    },
 3683:           { text => 'Set/Modify Resource Parameters - Helper Mode',
 3684:             url => '/adm/helper/parameter.helper',
 3685:             permission => $parm_permission,
 3686:             help => 'Parameter_Helper',
 3687:             },
 3688:  	  { text => 'Set/Modify Resource Parameters - Overview Mode',
 3689:             action => 'newoverview',
 3690:             permission => $parm_permission,
 3691:             help => 'Parameter_Overview',
 3692:             },
 3693:           { text => 'Set/Modify Resource Parameters - Table Mode',
 3694:             action => 'settable',
 3695:             permission => $parm_permission,
 3696:             help => 'Table_Mode',
 3697:             },
 3698:            { divider => 'Existing Parameter Settings for Your Resources',
 3699: 	  },
 3700: 	  { text => 'Modify Resource Parameters - Overview Mode',
 3701:             action => 'setoverview',
 3702:             permission => $parm_permission,
 3703:             help => 'Parameter_Overview',
 3704:  	    },          
 3705: 	  { text => 'Parameter Change Log and Course Blog Posting/User Notification',
 3706:             action => 'parameterchangelog',
 3707:             permission => $parm_permission,
 3708:             },
 3709:           );
 3710:     my $menu_html = '';
 3711:     foreach my $menu_item (@menu) {
 3712: 	if ($menu_item->{'divider'}) {
 3713: 	    $menu_html .= '<h3>'.&mt($menu_item->{'divider'}).'</h3>';
 3714: 	    next;
 3715: 	}
 3716:         next if (! $menu_item->{'permission'});
 3717:         $menu_html.='<p>';
 3718:         $menu_html.='<span class="LC_parm_menu_item">';
 3719:         if (exists($menu_item->{'url'})) {
 3720:             $menu_html.=qq{<a href="$menu_item->{'url'}">};
 3721:         } else {
 3722:             $menu_html.=
 3723:                 qq{<a href="/adm/parmset?action=$menu_item->{'action'}">};
 3724:         }
 3725:         $menu_html.= &mt($menu_item->{'text'}).'</a></span>';
 3726:         if (exists($menu_item->{'help'})) {
 3727:             $menu_html.=
 3728:                 &Apache::loncommon::help_open_topic($menu_item->{'help'});
 3729:         }
 3730:         $menu_html.='</p>'.$/;
 3731:     }
 3732:     $r->print($menu_html);
 3733:     return;
 3734: }
 3735: ### Set portfolio metadata
 3736: sub output_row {
 3737:     my ($r, $field_name, $field_text, $added_flag) = @_;
 3738:     my $output;
 3739:     my $options=$env{'course.'.$env{'request.course.id'}.'.metadata.'.$field_name.'.options'};
 3740:     my $values=$env{'course.'.$env{'request.course.id'}.'.metadata.'.$field_name.'.values'};
 3741:     if (!defined($options)) {
 3742:         $options = 'active,stuadd';
 3743:         $values = '';
 3744:     }
 3745:     if (!($options =~ /deleted/)) {
 3746:         my @options= ( ['active', 'Show to student'],
 3747:                     ['stuadd', 'Provide text area for students to type catalog information'],
 3748:                     ['choices','Provide choices for students to select from']);
 3749: #		   ['onlyone','Student may select only one choice']);
 3750:         if ($added_flag) {
 3751:             push @options,['deleted', 'Delete Metadata Field'];
 3752:         }
 3753:        $output = &Apache::loncommon::start_data_table_row();
 3754:         $output .= '<td><span class="LC_metadata"><strong>'.$field_text.':</strong></span></td>';
 3755:         $output .= &Apache::loncommon::end_data_table_row();
 3756:         foreach my $opt (@options) {
 3757: 	    my $checked = ($options =~ m/$opt->[0]/) ? ' checked="checked" ' : '' ;
 3758: 	    $output .= &Apache::loncommon::continue_data_table_row();
 3759: 	    $output .= '<td>'.('&nbsp;' x 5).'<span class="LC_metadata"><label>
 3760: 	               <input type="checkbox" name="'.
 3761: 	               $field_name.'_'.$opt->[0].'" value="yes"'.$checked.' />'.
 3762: 	               &mt($opt->[1]).'</label></span> </td>';
 3763: 	    $output .= &Apache::loncommon::end_data_table_row();
 3764: 	}
 3765:         $output .= &Apache::loncommon::continue_data_table_row();
 3766:         $output .= '<td>'.('&nbsp;' x 10).'<span class="LC_metadata"><input name="'.$field_name.'_values" type="text" value="'.$values.'" size="80" /></span></td>';
 3767:         $output .= &Apache::loncommon::end_data_table_row();
 3768:         my $multiple_checked;
 3769:         my $single_checked;
 3770:         if ($options =~ m/onlyone/) {
 3771:             $multiple_checked = "";
 3772:             $single_checked = " CHECKED ";
 3773:         } else {
 3774:             $multiple_checked = " CHECKED ";
 3775:             $single_checked = "";
 3776:         }
 3777: 	$output .= &Apache::loncommon::continue_data_table_row();
 3778: 	$output .= '<td>'.('&nbsp;' x 10).'<span class="LC_metadata">
 3779: 	            <input type="radio" name="'.$field_name.'_onlyone" value="multiple" '.$multiple_checked .'/>
 3780: 	            Student may select multiple choices from list</span></td>';
 3781: 	$output .= &Apache::loncommon::end_data_table_row();
 3782: 	$output .= &Apache::loncommon::continue_data_table_row();
 3783: 	$output .= '<td>'.('&nbsp;' x 10).'<span class="LC_metadata">
 3784: 	            <input type="radio" name="'.$field_name.'_onlyone"  value="single" '.$single_checked.'/>
 3785: 	            Student may select only one choice from list</span></td>';
 3786: 	$output .= &Apache::loncommon::end_data_table_row();
 3787:     }
 3788:     return ($output);
 3789: }
 3790: sub order_meta_fields {
 3791:     my ($r)=@_;
 3792:     my $idx = 1;
 3793:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3794:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 3795:     $r->print(&Apache::loncommon::start_page('Order Metadata Fields'));
 3796:     &Apache::lonhtmlcommon::add_breadcrumb
 3797:             ({href=>"/adm/parmset?action=setrestrictmeta",
 3798:               text=>"Restrict Metadata"},
 3799:              {text=>"Order Metadata"});
 3800:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Order Metadata'));
 3801:     if ($env{'form.storeorder'}) {
 3802:         my $newpos = $env{'form.newpos'} - 1;
 3803:         my $currentpos = $env{'form.currentpos'} - 1;
 3804:         my @neworder = ();
 3805:         my @oldorder = split /,/,$env{'course.'.$env{'request.course.id'}.'.metadata.addedorder'};
 3806:         my $i;
 3807:         if ($newpos > $currentpos) {
 3808:         # moving stuff up
 3809:             for ($i=0;$i<$currentpos;$i++) {
 3810:         	$neworder[$i]=$oldorder[$i];
 3811:             }
 3812:             for ($i=$currentpos;$i<$newpos;$i++) {
 3813:         	$neworder[$i]=$oldorder[$i+1];
 3814:             }
 3815:             $neworder[$newpos]=$oldorder[$currentpos];
 3816:             for ($i=$newpos+1;$i<=$#oldorder;$i++) {
 3817:         	$neworder[$i]=$oldorder[$i];
 3818:             }
 3819:         } else {
 3820:         # moving stuff down
 3821:     	    for ($i=0;$i<$newpos;$i++) {
 3822:     	        $neworder[$i]=$oldorder[$i];
 3823:     	    }
 3824:     	    $neworder[$newpos]=$oldorder[$currentpos];
 3825:     	    for ($i=$newpos+1;$i<$currentpos+1;$i++) {
 3826:     	        $neworder[$i]=$oldorder[$i-1];
 3827:     	    }
 3828:     	    for ($i=$currentpos+1;$i<=$#oldorder;$i++) {
 3829:     	        $neworder[$i]=$oldorder[$i];
 3830:     	    }
 3831:         }
 3832: 	my $ordered_fields = join ",", @neworder;
 3833:         my $put_result = &Apache::lonnet::put('environment',
 3834:                            {'metadata.addedorder'=>$ordered_fields},$dom,$crs); 	
 3835: 	&Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.metadata.addedorder' => $ordered_fields});
 3836:     }
 3837:     my $fields = &get_added_meta_fieldnames($env{'request.course.id'});
 3838:     my $ordered_fields;
 3839:     my @fields_in_order = split /,/,$env{'course.'.$env{'request.course.id'}.'.metadata.addedorder'};
 3840:     if (!@fields_in_order) {
 3841:         # no order found, pick sorted order then create metadata.addedorder key.
 3842:         foreach my $key (sort keys %$fields) {
 3843:             push @fields_in_order, $key;
 3844:             $ordered_fields = join ",", @fields_in_order;
 3845:         }
 3846:         my $put_result = &Apache::lonnet::put('environment',
 3847:                             {'metadata.addedorder'=>$ordered_fields},$dom,$crs); 
 3848:     } 
 3849:     $r->print('<table>');
 3850:     my $num_fields = scalar(@fields_in_order);
 3851:     foreach my $key (@fields_in_order) {
 3852:         $r->print('<tr><td>');
 3853:         $r->print('<form method="post" action="">');
 3854:         $r->print('<select name="newpos" onChange="this.form.submit()">');
 3855:         for (my $i = 1;$i le $num_fields;$i ++) {
 3856:             if ($i eq $idx) {
 3857:                 $r->print('<option value="'.$i.'"  SELECTED>('.$i.')</option>');
 3858:             } else {
 3859:                 $r->print('<option value="'.$i.'">'.$i.'</option>');
 3860:             }
 3861:         }
 3862:         $r->print('</select></td><td>');
 3863:         $r->print('<input type="hidden" name="currentpos" value="'.$idx.'" />');
 3864:         $r->print('<input type="hidden" name="storeorder" value="true" />');
 3865:         $r->print('</form>');
 3866:         $r->print($$fields{$key}.'</td></tr>');
 3867:         $idx ++;
 3868:     }
 3869:     $r->print('</table>');
 3870:     return 'ok';
 3871: }
 3872: sub continue {
 3873:     my $output;
 3874:     $output .= '<form action="" method="post">';
 3875:     $output .= '<input type="hidden" name="action" value="setrestrictmeta" />';
 3876:     $output .= '<input type="submit" value="Continue" />';
 3877:     return ($output);
 3878: }
 3879: sub addmetafield {
 3880:     my ($r)=@_;
 3881:     $r->print(&Apache::loncommon::start_page('Add Metadata Field'));
 3882:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Add Metadata Field'));
 3883:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3884:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 3885:     if (exists($env{'form.undelete'})) {
 3886:         my @meta_fields = &Apache::loncommon::get_env_multiple('form.undeletefield');
 3887:         foreach my $meta_field(@meta_fields) {
 3888:             my $options = $env{'course.'.$env{'request.course.id'}.'.metadata.'.$meta_field.'.options'};
 3889:             $options =~ s/deleted//;
 3890:             $options =~ s/,,/,/;
 3891:             my $put_result = &Apache::lonnet::put('environment',
 3892:                                         {'metadata.'.$meta_field.'.options'=>$options},$dom,$crs);
 3893:                                         
 3894:             $r->print('Undeleted Metadata Field <strong>'.$env{'course.'.$env{'request.course.id'}.'.metadata.'.$meta_field.'.added'}."</strong> with result ".$put_result.'<br />');
 3895:         }
 3896:         $r->print(&continue());
 3897:     } elsif (exists($env{'form.fieldname'})) {
 3898:         my $meta_field = $env{'form.fieldname'};
 3899:         my $display_field = $env{'form.fieldname'};
 3900:         $meta_field =~ s/\W/_/g;
 3901:         $meta_field =~ tr/A-Z/a-z/;
 3902:         my $put_result = &Apache::lonnet::put('environment',
 3903:                             {'metadata.'.$meta_field.'.values'=>"",
 3904:                              'metadata.'.$meta_field.'.added'=>"$display_field",
 3905:                              'metadata.'.$meta_field.'.options'=>""},$dom,$crs);
 3906:         $r->print('Added new Metadata Field <strong>'.$env{'form.fieldname'}."</strong> with result ".$put_result.'<br />');
 3907:         $r->print(&continue());
 3908:     } else {
 3909:         my $fields = &get_deleted_meta_fieldnames($env{'request.course.id'});
 3910:         if ($fields) {
 3911:             $r->print('You may undelete previously deleted fields.<br />Check those you wish to undelete and click Undelete.<br />');
 3912:             $r->print('<form method="post" action="">');
 3913:             foreach my $key(keys(%$fields)) {
 3914:                 $r->print('<input type="checkbox" name="undeletefield" value="'.$key.'" />'.$$fields{$key}.'<br /');
 3915:             }
 3916:             $r->print('<input type="submit" name="undelete" value="Undelete" />');
 3917:             $r->print('</form>');
 3918:         }
 3919:         $r->print('<hr /><strong>Or</strong> you may enter a new metadata field name.<form method="post" action="/adm/parmset?action=addmetadata"');
 3920:         $r->print('<input type="text" name="fieldname" /><br />');
 3921:         $r->print('<input type="submit" value="Add Metadata Field" />');
 3922:     }
 3923:     $r->print('</form>');
 3924: }
 3925: sub setrestrictmeta {
 3926:     my ($r)=@_;
 3927:     my $next_meta;
 3928:     my $output;
 3929:     my $item_num;
 3930:     my $put_result;
 3931:     $r->print(&Apache::loncommon::start_page('Restrict Metadata'));
 3932:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Restrict Metadata'));
 3933:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 3934:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 3935:     my $key_base = $env{'course.'.$env{'request.course.id'}.'.'};
 3936:     my $save_field = '';
 3937:     if ($env{'form.restrictmeta'}) {
 3938:         foreach my $field (sort(keys(%env))) {
 3939:             if ($field=~m/^form.(.+)_(.+)$/) {
 3940:                 my $options;
 3941:                 my $meta_field = $1;
 3942:                 my $meta_key = $2;
 3943:                 if ($save_field ne $meta_field) {
 3944:                     $save_field = $meta_field;
 3945:             	    if ($env{'form.'.$meta_field.'_stuadd'}) {
 3946:             	        $options.='stuadd,';
 3947:             	    } 
 3948:             	    if ($env{'form.'.$meta_field.'_choices'}) {
 3949:             	        $options.='choices,';
 3950:             	    } 
 3951:             	    if ($env{'form.'.$meta_field.'_onlyone'} eq 'single') {
 3952:             	        $options.='onlyone,';
 3953:             	    } 
 3954:             	    if ($env{'form.'.$meta_field.'_active'}) {
 3955:             	        $options.='active,';
 3956:             	    }
 3957:             	    if ($env{'form.'.$meta_field.'_deleted'}) {
 3958:             	        $options.='deleted,';
 3959:             	    }
 3960:                     my $name = $save_field;
 3961:                      $put_result = &Apache::lonnet::put('environment',
 3962:                                                   {'metadata.'.$meta_field.'.options'=>$options,
 3963:                                                    'metadata.'.$meta_field.'.values'=>$env{'form.'.$meta_field.'_values'},
 3964:                                                    },$dom,$crs);
 3965:                 }
 3966:             }
 3967:         }
 3968:     }
 3969:     &Apache::lonnet::coursedescription($env{'request.course.id'},
 3970: 				       {'freshen_cache' => 1});
 3971:     # Get the default metadata fields
 3972:     my %metadata_fields = &Apache::lonmeta::fieldnames('portfolio');
 3973:     # Now get possible added metadata fields
 3974:     my $added_metadata_fields = &get_added_meta_fieldnames($env{'request.course.id'});
 3975:     my $row_alt = 1;
 3976:     $output .= &Apache::loncommon::start_data_table();
 3977:     foreach my $field (sort(keys(%metadata_fields))) {
 3978:         if ($field ne 'courserestricted') {
 3979:             $row_alt = $row_alt ? 0 : 1;
 3980: 	    $output.= &output_row($r, $field, $metadata_fields{$field});
 3981: 	}
 3982:     }
 3983:     my $buttons = (<<ENDButtons);
 3984:         <input type="submit" name="restrictmeta" value="Save" />
 3985:         </form><br />
 3986:         <form method="post" action="/adm/parmset?action=addmetadata" name="form1">
 3987:         <input type="submit" name="restrictmeta" value="Add a Metadata Field" />
 3988:         </form>
 3989:         <br />
 3990:         <form method="post" action="/adm/parmset?action=ordermetadata" name="form2">
 3991:         <input type="submit" name="restrictmeta" value="Order Metadata Fields" />
 3992: ENDButtons
 3993:     my $added_flag = 1;
 3994:     foreach my $field (sort(keys(%$added_metadata_fields))) {
 3995:         $row_alt = $row_alt ? 0 : 1;
 3996:         $output.= &output_row($r, $field, $$added_metadata_fields{$field},$added_flag, $row_alt);
 3997:     }
 3998:     $output .= &Apache::loncommon::end_data_table();
 3999:     $r->print(<<ENDenv);       
 4000:         <form method="post" action="/adm/parmset?action=setrestrictmeta" name="form">
 4001:         $output
 4002:         $buttons
 4003:         </form>
 4004: ENDenv
 4005:     $r->print(&Apache::loncommon::end_page());
 4006:     return 'ok';
 4007: }
 4008: ##################################################
 4009: sub get_added_meta_fieldnames {
 4010:     my ($cid) = @_;
 4011:     my %fields;
 4012:     foreach my $key(%env) {
 4013:         if ($key =~ m/\Q$cid\E\.metadata\.(.+)\.added$/) {
 4014:             my $field_name = $1;
 4015:             my ($display_field_name) = $env{$key};
 4016:             $fields{$field_name} = $display_field_name;
 4017:         }
 4018:     }
 4019:     return \%fields;
 4020: }
 4021: sub get_deleted_meta_fieldnames {
 4022:     my ($cid) = @_;
 4023:     my %fields;
 4024:     foreach my $key(%env) {
 4025:         if ($key =~ m/\Q$cid\E\.metadata\.(.+)\.added$/) {
 4026:             my $field_name = $1;
 4027:             if ($env{'course.'.$env{'request.course.id'}.'.metadata.'.$field_name.'.options'} =~ m/deleted/) {
 4028:                 my ($display_field_name) = $env{$key};
 4029:                 $fields{$field_name} = $display_field_name;
 4030:             }
 4031:         }
 4032:     }
 4033:     return \%fields;
 4034: }
 4035: sub defaultsetter {
 4036:     my ($r) = @_;
 4037: 
 4038:     my $start_page = 
 4039: 	&Apache::loncommon::start_page('Parameter Setting Default Actions');
 4040:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Defaults');
 4041:     $r->print(<<ENDDEFHEAD);
 4042: $start_page
 4043: $breadcrumbs
 4044: <form method="post" action="/adm/parmset?action=setdefaults" name="defaultform">
 4045: ENDDEFHEAD
 4046: 
 4047:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 4048:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 4049:     my @ids=();
 4050:     my %typep=();
 4051:     my %keyp=();
 4052:     my %allparms=();
 4053:     my %allparts=();
 4054:     my %allmaps=();
 4055:     my %mapp=();
 4056:     my %symbp=();
 4057:     my %maptitles=();
 4058:     my %uris=();
 4059:     my %keyorder=&standardkeyorder();
 4060:     my %defkeytype=();
 4061: 
 4062:     &extractResourceInformation(\@ids, \%typep,\%keyp, \%allparms, \%allparts, \%allmaps, 
 4063: 				\%mapp, \%symbp,\%maptitles,\%uris,
 4064: 				\%keyorder,\%defkeytype);
 4065:     if ($env{'form.storerules'}) {
 4066: 	my %newrules=();
 4067: 	my @delrules=();
 4068: 	my %triggers=();
 4069: 	foreach my $key (keys(%env)) {
 4070:             if ($key=~/^form\.(\w+)\_action$/) {
 4071: 		my $tempkey=$1;
 4072: 		my $action=$env{$key};
 4073:                 if ($action) {
 4074: 		    $newrules{$tempkey.'_action'}=$action;
 4075: 		    if ($action ne 'default') {
 4076: 			my ($whichaction,$whichparm)=($action=~/^(.*\_)([^\_]+)$/);
 4077: 			$triggers{$whichparm}.=$tempkey.':';
 4078: 		    }
 4079: 		    $newrules{$tempkey.'_type'}=$defkeytype{$tempkey};
 4080: 		    if (&isdateparm($defkeytype{$tempkey})) {
 4081: 			$newrules{$tempkey.'_days'}=$env{'form.'.$tempkey.'_days'};
 4082: 			$newrules{$tempkey.'_hours'}=$env{'form.'.$tempkey.'_hours'};
 4083: 			$newrules{$tempkey.'_min'}=$env{'form.'.$tempkey.'_min'};
 4084: 			$newrules{$tempkey.'_sec'}=$env{'form.'.$tempkey.'_sec'};
 4085: 		    } else {
 4086: 			$newrules{$tempkey.'_value'}=$env{'form.'.$tempkey.'_value'};
 4087: 			$newrules{$tempkey.'_triggervalue'}=$env{'form.'.$tempkey.'_triggervalue'};
 4088: 		    }
 4089: 		} else {
 4090: 		    push(@delrules,$tempkey.'_action');
 4091: 		    push(@delrules,$tempkey.'_type');
 4092: 		    push(@delrules,$tempkey.'_hours');
 4093: 		    push(@delrules,$tempkey.'_min');
 4094: 		    push(@delrules,$tempkey.'_sec');
 4095: 		    push(@delrules,$tempkey.'_value');
 4096: 		}
 4097: 	    }
 4098: 	}
 4099: 	foreach my $key (keys %allparms) {
 4100: 	    $newrules{$key.'_triggers'}=$triggers{$key};
 4101: 	}
 4102: 	&Apache::lonnet::put('parmdefactions',\%newrules,$dom,$crs);
 4103: 	&Apache::lonnet::del('parmdefactions',\@delrules,$dom,$crs);
 4104: 	&resetrulescache();
 4105:     }
 4106:     my %lt=&Apache::lonlocal::texthash('days' => 'Days',
 4107: 				       'hours' => 'Hours',
 4108: 				       'min' => 'Minutes',
 4109: 				       'sec' => 'Seconds',
 4110: 				       'yes' => 'Yes',
 4111: 				       'no' => 'No');
 4112:     my @standardoptions=('','default');
 4113:     my @standarddisplay=('',&mt('Default value when manually setting'));
 4114:     my @dateoptions=('','default');
 4115:     my @datedisplay=('',&mt('Default value when manually setting'));
 4116:     foreach my $tempkey (&keysindisplayorder(\%allparms,\%keyorder)) {
 4117: 	unless ($tempkey) { next; }
 4118: 	push @standardoptions,'when_setting_'.$tempkey;
 4119: 	push @standarddisplay,&mt('Automatically set when setting ').$tempkey;
 4120: 	if (&isdateparm($defkeytype{$tempkey})) {
 4121: 	    push @dateoptions,'later_than_'.$tempkey;
 4122: 	    push @datedisplay,&mt('Automatically set later than ').$tempkey;
 4123: 	    push @dateoptions,'earlier_than_'.$tempkey;
 4124: 	    push @datedisplay,&mt('Automatically set earlier than ').$tempkey;
 4125: 	} 
 4126:     }
 4127: $r->print(&mt('Manual setting rules apply to all interfaces.').'<br />'.
 4128: 	  &mt('Automatic setting rules apply to table mode interfaces only.'));
 4129:     $r->print("\n".&Apache::loncommon::start_data_table().
 4130: 	      &Apache::loncommon::start_data_table_header_row().
 4131: 	      "<th>".&mt('Rule for parameter').'</th><th>'.
 4132: 	      &mt('Action').'</th><th>'.&mt('Value').'</th>'.
 4133: 	      &Apache::loncommon::end_data_table_header_row());
 4134:     foreach my $tempkey (&keysindisplayorder(\%allparms,\%keyorder)) {
 4135: 	unless ($tempkey) { next; }
 4136: 	$r->print("\n".&Apache::loncommon::start_data_table_row().
 4137: 		  "<td>".$allparms{$tempkey}."\n<br />(".$tempkey.')</td><td>');
 4138: 	my $action=&rulescache($tempkey.'_action');
 4139: 	$r->print('<select name="'.$tempkey.'_action">');
 4140: 	if (&isdateparm($defkeytype{$tempkey})) {
 4141: 	    for (my $i=0;$i<=$#dateoptions;$i++) {
 4142: 		if ($dateoptions[$i]=~/\_$tempkey$/) { next; }
 4143: 		$r->print("\n<option value='$dateoptions[$i]'".
 4144: 			  ($dateoptions[$i] eq $action?' selected="selected"':'').
 4145: 			  ">$datedisplay[$i]</option>");
 4146: 	    }
 4147: 	} else {
 4148: 	    for (my $i=0;$i<=$#standardoptions;$i++) {
 4149: 		if ($standardoptions[$i]=~/\_$tempkey$/) { next; }
 4150: 		$r->print("\n<option value='$standardoptions[$i]'".
 4151: 			  ($standardoptions[$i] eq $action?' selected="selected"':'').
 4152: 			  ">$standarddisplay[$i]</option>");
 4153: 	    }
 4154: 	}
 4155: 	$r->print('</select>');
 4156: 	unless (&isdateparm($defkeytype{$tempkey})) {
 4157: 	    $r->print("\n<br />".&mt('Triggering value(s) of other parameter (optional, comma-separated):').
 4158: 		      '<input type="text" size="20" name="'.$tempkey.'_triggervalue" value="'.&rulescache($tempkey.'_triggervalue').'" />');
 4159: 	}
 4160: 	$r->print("\n</td><td>\n");
 4161: 
 4162:         if (&isdateparm($defkeytype{$tempkey})) {
 4163: 	    my $days=&rulescache($tempkey.'_days');
 4164: 	    my $hours=&rulescache($tempkey.'_hours');
 4165: 	    my $min=&rulescache($tempkey.'_min');
 4166: 	    my $sec=&rulescache($tempkey.'_sec');
 4167: 	    $r->print(<<ENDINPUTDATE);
 4168: <input name="$tempkey\_days" type="text" size="4" value="$days" />$lt{'days'}<br />
 4169: <input name="$tempkey\_hours" type="text" size="4" value="$hours" />$lt{'hours'}<br />
 4170: <input name="$tempkey\_min" type="text" size="4" value="$min" />$lt{'min'}<br />
 4171: <input name="$tempkey\_sec" type="text" size="4" value="$sec" />$lt{'sec'}
 4172: ENDINPUTDATE
 4173: 	} elsif ($defkeytype{$tempkey} eq 'string_yesno') {
 4174:             my $yeschecked='';
 4175:             my $nochecked='';
 4176:             if (&rulescache($tempkey.'_value') eq 'yes') { $yeschecked='checked="checked"'; }
 4177:             if (&rulescache($tempkey.'_value') eq 'no') { $nochecked='checked="checked"'; }
 4178: 
 4179: 	    $r->print(<<ENDYESNO);
 4180: <label><input type="radio" name="$tempkey\_value" value="yes" $yeschecked /> $lt{'yes'}</label><br />
 4181: <label><input type="radio" name="$tempkey\_value" value="no" $nochecked /> $lt{'no'}</label>
 4182: ENDYESNO
 4183:         } else {
 4184: 	    $r->print('<input type="text" size="20" name="'.$tempkey.'_value" value="'.&rulescache($tempkey.'_value').'" />');
 4185: 	}
 4186:         $r->print('</td>'.&Apache::loncommon::end_data_table_row());
 4187:     }
 4188:     $r->print(&Apache::loncommon::end_data_table().
 4189: 	      "\n<input type='submit' name='storerules' value='".
 4190: 	      &mt('Save Rules')."' /></form>\n".
 4191: 	      &Apache::loncommon::end_page());
 4192:     return;
 4193: }
 4194: 
 4195: sub components {
 4196:     my ($key,$uname,$udom,$exeuser,$exedomain,$typeflag)=@_;
 4197: 
 4198:     if ($typeflag) {
 4199: 	$key=~s/\.type$//;
 4200:     }
 4201: 
 4202:     my ($middle,$part,$name)=
 4203: 	($key=~/^$env{'request.course.id'}\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
 4204:     my $issection;
 4205: 
 4206:     my $section=&mt('All Students');
 4207:     if ($middle=~/^\[(.*)\]/) {
 4208: 	$issection=$1;
 4209: 	$section=&mt('Group/Section').': '.$issection;
 4210: 	$middle=~s/^\[(.*)\]//;
 4211:     }
 4212:     $middle=~s/\.+$//;
 4213:     $middle=~s/^\.+//;
 4214:     if ($uname) {
 4215: 	$section=&mt('User').": ".&Apache::loncommon::plainname($uname,$udom);
 4216: 	$issection='';
 4217:     }
 4218:     my $realm='<span class="LC_parm_scope_all">'.&mt('All Resources').'</span>';
 4219:     my $realmdescription=&mt('all resources'); 
 4220:     if ($middle=~/^(.+)\_\_\_\(all\)$/) {
 4221: 	$realm='<span class="LC_parm_scope_folder">'.&mt('Folder/Map').': '.&Apache::lonnet::gettitle($1).' <span class="LC_parm_folder"><br />('.$1.')</span></span>';
 4222:  	$realmdescription=&mt('folder').' '.&Apache::lonnet::gettitle($1);
 4223:    } elsif ($middle) {
 4224: 	my ($map,$id,$url)=&Apache::lonnet::decode_symb($middle);
 4225: 	$realm='<span class="LC_parm_scope_resource">'.&mt('Resource').': '.&Apache::lonnet::gettitle($middle).' <br /><span class="LC_parm_symb">('.$url.' in '.$map.' id: '.$id.')</span></span>';
 4226: 	$realmdescription=&mt('resource').' '.&Apache::lonnet::gettitle($middle);
 4227:     }
 4228:     my $what=$part.'.'.$name;
 4229:     return ($realm,$section,$name,$part,
 4230: 	    $what,$middle,$uname,$udom,$issection,$realmdescription);
 4231: }
 4232: 
 4233: my %standard_parms;
 4234: sub load_parameter_names {
 4235:     open(my $config,"<$Apache::lonnet::perlvar{'lonTabDir'}/packages.tab");
 4236:     while (my $configline=<$config>) {
 4237: 	if ($configline !~ /\S/ || $configline=~/^\#/) { next; }
 4238: 	chomp($configline);
 4239: 	my ($short,$plain)=split(/:/,$configline);
 4240: 	my (undef,$name,$type)=split(/\&/,$short,3);
 4241: 	if ($type eq 'display') {
 4242: 	    $standard_parms{$name} = $plain;
 4243: 	}
 4244:     }
 4245:     close($config);
 4246:     $standard_parms{'int_pos'}      = 'Positive Integer';
 4247:     $standard_parms{'int_zero_pos'} = 'Positive Integer or Zero';
 4248:     %standard_parms=&Apache::lonlocal::texthash(%standard_parms);	
 4249: }
 4250: 
 4251: sub standard_parameter_names {
 4252:     my ($name)=@_;
 4253:     if (!%standard_parms) {
 4254: 	&load_parameter_names();
 4255:     }
 4256:     if ($standard_parms{$name}) {
 4257: 	return $standard_parms{$name}; 
 4258:     } else { 
 4259: 	return $name; 
 4260:     }
 4261: }
 4262: 
 4263: #
 4264: # Parameter Change Log
 4265: #
 4266: 
 4267: 
 4268: sub parm_change_log {
 4269:     my ($r)=@_;
 4270:     $r->print(&Apache::loncommon::start_page('Parameter Change Log'));
 4271:     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Parameter Change Log'));
 4272: 
 4273:     my %parmlog=&Apache::lonnet::dump('nohist_parameterlog',
 4274: 				      $env{'course.'.$env{'request.course.id'}.'.domain'},
 4275: 				      $env{'course.'.$env{'request.course.id'}.'.num'});
 4276: 
 4277:     if ((keys(%parmlog))[0]=~/^error\:/) { undef(%parmlog); }
 4278: 
 4279:     $r->print('<form action="/adm/parmset?action=parameterchangelog"
 4280:                      method="post" name="parameterlog">');
 4281:     
 4282:     my %saveable_parameters = ('show' => 'scalar',);
 4283:     &Apache::loncommon::store_course_settings('parameter_log',
 4284:                                               \%saveable_parameters);
 4285:     &Apache::loncommon::restore_course_settings('parameter_log',
 4286:                                                 \%saveable_parameters);
 4287:     $r->print(&Apache::loncommon::display_filter().
 4288:               '<label>'.&Apache::lonhtmlcommon::checkbox('includetypes',$env{'form.includetypes'},'1').
 4289: 	      ' '.&mt('Include parameter types').'</label>'.
 4290: 	      '<input type="submit" value="'.&mt('Display').'" /></form>');
 4291: 
 4292:     my $courseopt=&Apache::lonnet::get_courseresdata($env{'course.'.$env{'request.course.id'}.'.num'},
 4293: 						     $env{'course.'.$env{'request.course.id'}.'.domain'});
 4294:     $r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
 4295: 	      '<th>'.&mt('Time').'</th><th>'.&mt('User').'</th><th>'.&mt('Extent').'</th><th>'.&mt('Users').'</th><th>'.
 4296: 	      &mt('Parameter').'</th><th>'.&mt('Part').'</th><th>'.&mt('New Value').'</th><th>'.&mt('Announce').'</th>'.
 4297: 	      &Apache::loncommon::end_data_table_header_row());
 4298:     my $shown=0;
 4299:     my $folder='';
 4300:     if ($env{'form.displayfilter'} eq 'currentfolder') {
 4301: 	my $last='';
 4302: 	if (tie(my %hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
 4303: 		&GDBM_READER(),0640)) {
 4304: 	    $last=$hash{'last_known'};
 4305: 	    untie(%hash);
 4306: 	}
 4307: 	if ($last) { ($folder) = &Apache::lonnet::decode_symb($last); }
 4308:     }
 4309:     foreach my $id (sort 
 4310: 		    {
 4311: 			if ($parmlog{$b}{'exe_time'} ne $parmlog{$a}{'exe_time'}) {
 4312: 			    return $parmlog{$b}{'exe_time'} <=>$parmlog{$a}{'exe_time'}
 4313: 			}
 4314: 			my $aid = (split('00000',$a))[-1];
 4315: 			my $bid = (split('00000',$b))[-1];
 4316: 			return $bid<=>$aid;
 4317: 		    } (keys(%parmlog))) {
 4318:         my @changes=keys(%{$parmlog{$id}{'logentry'}});
 4319: 	my $count = 0;
 4320: 	my $time =
 4321: 	    &Apache::lonlocal::locallocaltime($parmlog{$id}{'exe_time'});
 4322: 	my $plainname = 
 4323: 	    &Apache::loncommon::plainname($parmlog{$id}{'exe_uname'},
 4324: 					  $parmlog{$id}{'exe_udom'});
 4325: 	my $about_me_link = 
 4326: 	    &Apache::loncommon::aboutmewrapper($plainname,
 4327: 					       $parmlog{$id}{'exe_uname'},
 4328: 					       $parmlog{$id}{'exe_udom'});
 4329: 	my $send_msg_link='';
 4330: 	if ((($parmlog{$id}{'exe_uname'} ne $env{'user.name'}) 
 4331: 	     || ($parmlog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
 4332: 	    $send_msg_link ='<br />'.
 4333: 		&Apache::loncommon::messagewrapper(&mt('Send message'),
 4334: 						   $parmlog{$id}{'exe_uname'},
 4335: 						   $parmlog{$id}{'exe_udom'});
 4336: 	}
 4337: 	my $row_start=&Apache::loncommon::start_data_table_row();
 4338: 	my $makenewrow=0;
 4339: 	my %istype=();
 4340: 	my $output;
 4341: 	foreach my $changed (reverse(sort(@changes))) {
 4342:             my $value=$parmlog{$id}{'logentry'}{$changed};
 4343: 	    my $typeflag = ($changed =~/\.type$/ &&
 4344: 			    !exists($parmlog{$id}{'logentry'}{$changed.'.type'}));
 4345:             my ($realm,$section,$parmname,$part,$what,$middle,$uname,$udom,$issection,$realmdescription)=
 4346: 		&components($changed,$parmlog{$id}{'uname'},$parmlog{$id}{'udom'},undef,undef,$typeflag);
 4347: 	    if ($env{'form.displayfilter'} eq 'currentfolder') {
 4348: 		if ($folder) {
 4349: 		    if ($middle!~/^\Q$folder\E/) { next; }
 4350: 		}
 4351: 	    }
 4352: 	    if ($typeflag) {
 4353: 		$istype{$parmname}=$value; 
 4354: 		if (!$env{'form.includetypes'}) { next; } 
 4355: 	    }
 4356: 	    $count++;
 4357: 	    if ($makenewrow) {
 4358: 		$output .= $row_start;
 4359: 	    } else {
 4360: 		$makenewrow=1;
 4361: 	    }
 4362: 	    $output .='<td>'.$realm.'</td><td>'.$section.'</td><td>'.
 4363: 		      &standard_parameter_names($parmname).'</td><td>'.
 4364: 		      ($part?&mt('Part: [_1]',$part):&mt('All Parts')).'</td><td>';
 4365: 	    my $stillactive=0;
 4366: 	    if ($parmlog{$id}{'delflag'}) {
 4367: 		$output .= &mt('Deleted');
 4368: 	    } else {
 4369: 		if ($typeflag) {
 4370: 		    $output .= &mt('Type: [_1]',&standard_parameter_names($value));
 4371: 		} else {
 4372: 		    my ($level,@all)=&parmval_by_symb($what,$middle,&Apache::lonnet::metadata($middle,$what),
 4373: 						      $uname,$udom,$issection,$issection,$courseopt);
 4374: 		    if (&isdateparm($istype{$parmname})) {
 4375: 			$output .= &Apache::lonlocal::locallocaltime($value);
 4376: 		    } else {
 4377: 			$output .= $value;
 4378: 		    }
 4379: 		    if ($value ne $all[$level]) {
 4380: 			$output .= '<br /><span class="LC_warning">'.&mt('Not active anymore').'</span>';
 4381: 		    } else {
 4382: 			$stillactive=1;
 4383: 		    }
 4384: 		}
 4385: 	    }
 4386: 	    $output .= '</td><td>';
 4387: 	    if ($stillactive) {
 4388: 		my $title=&mt('Changed [_1]',&standard_parameter_names($parmname));
 4389:                 my $description=&mt('Changed [_1] for [_2] to [_3]',&standard_parameter_names($parmname),$realmdescription,
 4390: 				    (&isdateparm($istype{$parmname})?&Apache::lonlocal::locallocaltime($value):$value));
 4391: 		if (($uname) && ($udom)) {
 4392: 		    $output .= 
 4393: 			&Apache::loncommon::messagewrapper('Notify User',
 4394: 							   $uname,$udom,$title,
 4395: 							   $description);
 4396: 		} else {
 4397: 		    $output .= 
 4398: 			&Apache::lonrss::course_blog_link($id,$title,
 4399: 							  $description);
 4400: 		}
 4401: 	    }
 4402: 	    $output .= '</td>'.&Apache::loncommon::end_data_table_row();
 4403: 	}
 4404:         if ($env{'form.displayfilter'} eq 'containing') {
 4405: 	    my $wholeentry=$about_me_link.':'.
 4406: 		$parmlog{$id}{'exe_uname'}.':'.$parmlog{$id}{'exe_udom'}.':'.
 4407: 		$output;
 4408: 	    if ($wholeentry!~/\Q$env{'form.containingphrase'}\E/i) { next; }        
 4409: 	}
 4410:         if ($count) {
 4411: 	    $r->print($row_start.'<td rowspan="'.$count.'">'.$time.'</td>
 4412:                        <td rowspan="'.$count.'">'.$about_me_link.
 4413: 		  '<br /><tt>'.$parmlog{$id}{'exe_uname'}.
 4414: 			          ':'.$parmlog{$id}{'exe_udom'}.'</tt>'.
 4415: 		  $send_msg_link.'</td>'.$output);
 4416: 	    $shown++;
 4417: 	}
 4418: 	if (!($env{'form.show'} eq &mt('all') 
 4419: 	      || $shown<=$env{'form.show'})) { last; }
 4420:     }
 4421:     $r->print(&Apache::loncommon::end_data_table());
 4422:     $r->print(&Apache::loncommon::end_page());
 4423: }
 4424: 
 4425: sub check_for_course_info {
 4426:     my $navmap = Apache::lonnavmaps::navmap->new();
 4427:     return 1 if ($navmap);
 4428:     return 0;
 4429: }
 4430: 
 4431: ##################################################
 4432: ##################################################
 4433: 
 4434: =pod
 4435: 
 4436: =item * handler
 4437: 
 4438: Main handler.  Calls &assessparms and &crsenv subroutines.
 4439: 
 4440: =cut
 4441: 
 4442: ##################################################
 4443: ##################################################
 4444: 
 4445: sub handler {
 4446:     my $r=shift;
 4447: 
 4448:     &reset_caches();
 4449: 
 4450:     if ($r->header_only) {
 4451: 	&Apache::loncommon::content_type($r,'text/html');
 4452: 	$r->send_http_header;
 4453: 	return OK;
 4454:     }
 4455:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 4456: 					    ['action','state',
 4457:                                              'pres_marker',
 4458:                                              'pres_value',
 4459:                                              'pres_type',
 4460:                                              'udom','uname','symb','serial','timebase']);
 4461: 
 4462: 
 4463:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 4464:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/parmset",
 4465: 					    text=>"Parameter Manager",
 4466: 					    faq=>10,
 4467: 					    bug=>'Instructor Interface',
 4468:                                             help => 'Parameter_Manager'});
 4469: 
 4470: # ----------------------------------------------------- Needs to be in a course
 4471:     my $parm_permission =
 4472: 	(&Apache::lonnet::allowed('opa',$env{'request.course.id'}) ||
 4473: 	 &Apache::lonnet::allowed('opa',$env{'request.course.id'}.'/'.
 4474: 				  $env{'request.course.sec'}));
 4475:     my $exists = &check_for_course_info();
 4476: 
 4477:     if ($env{'request.course.id'} &&  $parm_permission && $exists) {
 4478: 
 4479:         # Start Page
 4480:         &Apache::loncommon::content_type($r,'text/html');
 4481:         $r->send_http_header;
 4482: 
 4483: 
 4484:         #
 4485:         # Main switch on form.action and form.state, as appropriate
 4486:         #
 4487:         # Check first if coming from someone else headed directly for
 4488:         #  the table mode
 4489:         if ((($env{'form.command'} eq 'set') && ($env{'form.url'})
 4490: 	     && (!$env{'form.dis'})) || ($env{'form.symb'})) {
 4491:             &Apache::lonhtmlcommon::add_breadcrumb({help=>'Problem_Parameters',
 4492: 						    text=>"Problem Parameters"});
 4493: 	    &assessparms($r);
 4494: 
 4495:         } elsif (! exists($env{'form.action'})) {
 4496:             $r->print(&header());
 4497:             $r->print(&Apache::lonhtmlcommon::breadcrumbs('Parameter Manager'));
 4498:             &print_main_menu($r,$parm_permission);
 4499:         } elsif ($env{'form.action'} eq 'crsenv' && $parm_permission) {
 4500:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=crsenv',
 4501: 						    text=>"Course Environment"});
 4502:             &crsenv($r); 
 4503:         } elsif ($env{'form.action'} eq 'setoverview' && $parm_permission) {
 4504:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setoverview',
 4505: 						    text=>"Overview Mode"});
 4506: 	    &overview($r);
 4507: 	} elsif ($env{'form.action'} eq 'addmetadata' && $parm_permission) {
 4508:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=addmetadata',
 4509: 						    text=>"Add Metadata Field"});
 4510: 	    &addmetafield($r);
 4511: 	} elsif ($env{'form.action'} eq 'ordermetadata' && $parm_permission) {
 4512:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=addmetadata',
 4513: 						    text=>"Add Metadata Field"});
 4514: 	    &order_meta_fields($r);
 4515:         } elsif ($env{'form.action'} eq 'setrestrictmeta' && $parm_permission) {
 4516:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setrestrictmeta',
 4517: 						    text=>"Restrict Metadata"});
 4518: 	    &setrestrictmeta($r);
 4519:         } elsif ($env{'form.action'} eq 'newoverview' && $parm_permission) {
 4520:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setoverview',
 4521: 						    text=>"Overview Mode"});
 4522: 	    &newoverview($r);
 4523:         }  elsif ($env{'form.action'} eq 'setdefaults' && $parm_permission) {
 4524:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setdefaults',
 4525: 						    text=>"Set Defaults"});
 4526: 	    &defaultsetter($r);
 4527: 	} elsif ($env{'form.action'} eq 'settable' && $parm_permission) {
 4528:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
 4529: 						    text=>"Table Mode",
 4530: 						    help => 'Course_Setting_Parameters'});
 4531: 	    &assessparms($r);
 4532:         } elsif ($env{'form.action'} eq 'parameterchangelog' && $parm_permission) {
 4533:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
 4534: 						    text=>"Parameter Change Log"});
 4535: 	    &parm_change_log($r);
 4536:         } elsif ($env{'form.action'} eq 'cleanparameters' && $parm_permission) {
 4537:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=cleanparameters',
 4538: 						    text=>"Clean Parameters"});
 4539: 	    &clean_parameters($r);
 4540:         } elsif ($env{'form.action'} eq 'dateshift1' && $parm_permission) {
 4541:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=dateshift1&timebase='.$env{'form.timebase'},
 4542:                                                     text=>"Shifting Dates"});
 4543:             &date_shift_one($r);
 4544:         } elsif ($env{'form.action'} eq 'dateshift2' && $parm_permission) {
 4545:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=dateshift1&timebase='.$env{'form.timebase'},
 4546:                                                     text=>"Shifting Dates"});
 4547:             &date_shift_two($r);
 4548: 	} elsif ($env{'form.action'} eq 'categorizecourse' && $parm_permission) {
 4549:             &assign_course_categories($r);
 4550:         } 
 4551:     } else {
 4552: # ----------------------------- Not in a course, or not allowed to modify parms
 4553: 	if ($exists) {
 4554: 	    $env{'user.error.msg'}=
 4555: 		"/adm/parmset:opa:0:0:Cannot modify assessment parameters";
 4556: 	} else {
 4557: 	    $env{'user.error.msg'}=
 4558: 		"/adm/parmset::0:1:Course environment gone, reinitialize the course";
 4559: 	}
 4560: 	return HTTP_NOT_ACCEPTABLE;
 4561:     }
 4562:     &reset_caches();
 4563: 
 4564:     return OK;
 4565: }
 4566: 
 4567: 1;
 4568: __END__
 4569: 
 4570: =pod
 4571: 
 4572: =back
 4573: 
 4574: =cut
 4575: 
 4576: 
 4577: 

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