File:  [LON-CAPA] / loncom / interface / lonparmset.pm
Revision 1.207: download - view: text, annotated - select for diffs
Sat Jun 4 15:26:13 2005 UTC (18 years, 11 months ago) by www
Branches: MAIN
CVS tags: HEAD
Bug #2396: include userdata into overview

    1: # The LearningOnline Network with CAPA
    2: # Handler to set parameters for assessments
    3: #
    4: # $Id: lonparmset.pm,v 1.207 2005/06/04 15:26:13 www Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: ###################################################################
   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: 
   67: # --- Caches local to lonparmset
   68: 
   69: my $parmhashid;
   70: my %parmhash;
   71: my $symbsid;
   72: my %symbs;
   73: 
   74: # --- end local caches
   75: 
   76: ##################################################
   77: ##################################################
   78: 
   79: =pod
   80: 
   81: =item parmval
   82: 
   83: Figure out a cascading parameter.
   84: 
   85: Inputs:  $what - a parameter spec (incluse part info and name I.E. 0.weight)
   86:          $id   - a bighash Id number
   87:          $def  - the resource's default value   'stupid emacs
   88: 
   89: Returns:  A list, the first item is the index into the remaining list of items of parm valuse that is the active one, the list consists of parm values at the 11 possible levels
   90: 
   91: 11 - General Course
   92: 10 - Map or Folder level in course
   93: 9- resource default
   94: 8- map default
   95: 7 - resource level in course
   96: 6 - General for section
   97: 5 - Map or Folder level for section
   98: 4 - resource level in section
   99: 3 - General for specific student
  100: 2 - Map or Folder level for specific student
  101: 1 - resource level for specific student
  102: 
  103: =cut
  104: 
  105: ##################################################
  106: sub parmval {
  107:     my ($what,$id,$def,$uname,$udom,$csec)=@_;
  108:     return &parmval_by_symb($what,&symbcache($id),$def,$uname,$udom,$csec);
  109: }
  110: 
  111: sub parmval_by_symb {
  112:     my ($what,$symb,$def,$uname,$udom,$csec)=@_;
  113: # load caches
  114: 
  115:     &cacheparmhash();
  116: 
  117:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  118:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  119:     my $useropt=&Apache::lonnet::get_userresdata($uname,$udom);
  120:     my $courseopt=&Apache::lonnet::get_courseresdata($cnum,$cdom);
  121: 
  122: 
  123:     my $result='';
  124:     my @outpar=();
  125: # ----------------------------------------------------- Cascading lookup scheme
  126:     my $map=(&Apache::lonnet::decode_symb($symb))[0];    
  127: 
  128:     my $symbparm=$symb.'.'.$what;
  129:     my $mapparm=$map.'___(all).'.$what;
  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: 
  141: # --------------------------------------------------------- first, check course
  142: 
  143:     if (defined($$courseopt{$courselevel})) {
  144: 	$outpar[11]=$$courseopt{$courselevel};
  145: 	$result=11;
  146:     }
  147: 
  148:     if (defined($$courseopt{$courselevelm})) {
  149: 	$outpar[10]=$$courseopt{$courselevelm};
  150: 	$result=10;
  151:     }
  152: 
  153: # ------------------------------------------------------- second, check default
  154: 
  155:     if (defined($def)) { $outpar[9]=$def; $result=9; }
  156: 
  157: # ------------------------------------------------------ third, check map parms
  158: 
  159:     my $thisparm=$parmhash{$symbparm};
  160:     if (defined($thisparm)) { $outpar[8]=$thisparm; $result=8; }
  161: 
  162:     if (defined($$courseopt{$courselevelr})) {
  163: 	$outpar[7]=$$courseopt{$courselevelr};
  164: 	$result=7;
  165:     }
  166: 
  167: # ------------------------------------------------------ fourth, back to course
  168:     if (defined($csec)) {
  169:         if (defined($$courseopt{$seclevel})) {
  170: 	    $outpar[6]=$$courseopt{$seclevel};
  171: 	    $result=6;
  172: 	}
  173:         if (defined($$courseopt{$seclevelm})) {
  174: 	    $outpar[5]=$$courseopt{$seclevelm};
  175: 	    $result=5;
  176: 	}
  177: 
  178:         if (defined($$courseopt{$seclevelr})) {
  179: 	    $outpar[4]=$$courseopt{$seclevelr};
  180: 	    $result=4;
  181: 	}
  182:     }
  183: 
  184: # ---------------------------------------------------------- fifth, check user
  185: 
  186:     if (defined($uname)) {
  187: 	if (defined($$useropt{$courselevel})) {
  188: 	    $outpar[3]=$$useropt{$courselevel};
  189: 	    $result=3;
  190: 	}
  191: 
  192: 	if (defined($$useropt{$courselevelm})) {
  193: 	    $outpar[2]=$$useropt{$courselevelm};
  194: 	    $result=2;
  195: 	}
  196: 
  197: 	if (defined($$useropt{$courselevelr})) {
  198: 	    $outpar[1]=$$useropt{$courselevelr};
  199: 	    $result=1;
  200: 	}
  201:     }
  202:     return ($result,@outpar);
  203: }
  204: 
  205: sub resetparmhash {
  206:     $parmhashid='';
  207: }
  208: 
  209: sub cacheparmhash {
  210:     if ($parmhashid eq  $env{'request.course.fn'}) { return; }
  211:     my %parmhashfile;
  212:     if (tie(%parmhashfile,'GDBM_File',
  213: 	      $env{'request.course.fn'}.'_parms.db',&GDBM_READER(),0640)) {
  214: 	%parmhash=%parmhashfile;
  215: 	untie %parmhashfile;
  216: 	$parmhashid=$env{'request.course.fn'};
  217:     }
  218: }
  219: 
  220: sub resetsymbcache {
  221:     $symbsid='';
  222: }
  223: 
  224: sub symbcache {
  225:     my $id=shift;
  226:     if ($symbsid ne $env{'request.course.id'}) {
  227: 	%symbs=();
  228:     }
  229:     unless ($symbs{$id}) {
  230: 	my $navmap = Apache::lonnavmaps::navmap->new();
  231: 	if ($id=~/\./) {
  232: 	    my $resource=$navmap->getById($id);
  233: 	    $symbs{$id}=$resource->symb();
  234: 	} else {
  235: 	    my $resource=$navmap->getByMapPc($id);
  236: 	    $symbs{$id}=&Apache::lonnet::declutter($resource->src());
  237: 	}
  238: 	$symbsid=$env{'request.course.id'};
  239:     }
  240:     return $symbs{$id};
  241: }
  242: 
  243: ##################################################
  244: ##################################################
  245: #
  246: # Store a parameter by ID
  247: #
  248: # Takes
  249: # - resource id
  250: # - name of parameter
  251: # - level
  252: # - new value
  253: # - new type
  254: # - username
  255: # - userdomain
  256: 
  257: sub storeparm {
  258:     my ($sresid,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec)=@_;
  259:     &storeparm_by_symb(&symbcache($sresid),$spnam,$snum,$nval,$ntype,$uname,$udom,$csec);
  260: }
  261: 
  262: #
  263: # Store a parameter by symb
  264: #
  265: # Takes
  266: # - symb
  267: # - name of parameter
  268: # - level
  269: # - new value
  270: # - new type
  271: # - username
  272: # - userdomain
  273: 
  274: sub storeparm_by_symb {
  275: # ---------------------------------------------------------- Get symb, map, etc
  276:     my ($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec)=@_;
  277: # ---------------------------------------------------------- Construct prefixes
  278:     $spnam=~s/\_([^\_]+)$/\.$1/;
  279:     my $map=(&Apache::lonnet::decode_symb($symb))[0];    
  280:     my $symbparm=$symb.'.'.$spnam;
  281:     my $mapparm=$map.'___(all).'.$spnam;
  282: 
  283:     my $seclevel=$env{'request.course.id'}.'.['.$csec.'].'.$spnam;
  284:     my $seclevelr=$env{'request.course.id'}.'.['.$csec.'].'.$symbparm;
  285:     my $seclevelm=$env{'request.course.id'}.'.['.$csec.'].'.$mapparm;
  286:     
  287:     my $courselevel=$env{'request.course.id'}.'.'.$spnam;
  288:     my $courselevelr=$env{'request.course.id'}.'.'.$symbparm;
  289:     my $courselevelm=$env{'request.course.id'}.'.'.$mapparm;
  290:     
  291:     my $storeunder='';
  292:     if (($snum==11) || ($snum==3)) { $storeunder=$courselevel; }
  293:     if (($snum==10) || ($snum==2)) { $storeunder=$courselevelm; }
  294:     if (($snum==7) || ($snum==1)) { $storeunder=$courselevelr; }
  295:     if ($snum==6) { $storeunder=$seclevel; }
  296:     if ($snum==5) { $storeunder=$seclevelm; }
  297:     if ($snum==4) { $storeunder=$seclevelr; }
  298:     
  299:     my $delete;
  300:     if ($nval eq '') { $delete=1;}
  301:     my %storecontent = ($storeunder         => $nval,
  302: 			$storeunder.'.type' => $ntype);
  303:     my $reply='';
  304:     if ($snum>3) {
  305: # ---------------------------------------------------------------- Store Course
  306: #
  307: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  308: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  309: # Expire sheets
  310: 	&Apache::lonnet::expirespread('','','studentcalc');
  311: 	if (($snum==7) || ($snum==4)) {
  312: 	    &Apache::lonnet::expirespread('','','assesscalc',$symb);
  313: 	} elsif (($snum==8) || ($snum==5)) {
  314: 	    &Apache::lonnet::expirespread('','','assesscalc',$map);
  315: 	} else {
  316: 	    &Apache::lonnet::expirespread('','','assesscalc');
  317: 	}
  318: # Store parameter
  319: 	if ($delete) {
  320: 	    $reply=&Apache::lonnet::del
  321: 		('resourcedata',[keys(%storecontent)],$cdom,$cnum);
  322: 	} else {
  323: 	    $reply=&Apache::lonnet::cput
  324: 		('resourcedata',\%storecontent,$cdom,$cnum);
  325: 	}
  326: 	&Apache::lonnet::devalidatecourseresdata($cnum,$cdom);
  327:     } else {
  328: # ------------------------------------------------------------------ Store User
  329: #
  330: # Expire sheets
  331: 	&Apache::lonnet::expirespread($uname,$udom,'studentcalc');
  332: 	if ($snum==1) {
  333: 	    &Apache::lonnet::expirespread
  334: 		($uname,$udom,'assesscalc',$symb);
  335: 	} elsif ($snum==2) {
  336: 	    &Apache::lonnet::expirespread
  337: 		($uname,$udom,'assesscalc',$map);
  338: 	} else {
  339: 	    &Apache::lonnet::expirespread($uname,$udom,'assesscalc');
  340: 	}
  341: # Store parameter
  342: 	if ($delete) {
  343: 	    $reply=&Apache::lonnet::del
  344: 		('resourcedata',[keys(%storecontent)],$udom,$uname);
  345: 	} else {
  346: 	    $reply=&Apache::lonnet::cput
  347: 		('resourcedata',\%storecontent,$udom,$uname);
  348: 	}
  349: 	&Apache::lonnet::devalidateuserresdata($uname,$udom);
  350:     }
  351:     
  352:     if ($reply=~/^error\:(.*)/) {
  353: 	return "<font color=red>Write Error: $1</font>";
  354:     }
  355:     return '';
  356: }
  357: 
  358: ##################################################
  359: ##################################################
  360: 
  361: =pod
  362: 
  363: =item valout
  364: 
  365: Format a value for output.
  366: 
  367: Inputs:  $value, $type
  368: 
  369: Returns: $value, formatted for output.  If $type indicates it is a date,
  370: localtime($value) is returned.
  371: 
  372: =cut
  373: 
  374: ##################################################
  375: ##################################################
  376: sub valout {
  377:     my ($value,$type)=@_;
  378:     my $result = '';
  379:     # Values of zero are valid.
  380:     if (! $value && $value ne '0') {
  381: 	$result = '&nbsp;&nbsp;';
  382:     } else {
  383:         if ($type eq 'date_interval') {
  384:             my ($sec,$min,$hour,$mday,$mon,$year)=gmtime($value);
  385:             $year=$year-70;
  386:             $mday--;
  387:             if ($year) {
  388: 		$result.=$year.' yrs ';
  389:             }
  390:             if ($mon) {
  391: 		$result.=$mon.' mths ';
  392:             }
  393:             if ($mday) {
  394: 		$result.=$mday.' days ';
  395:             }
  396:             if ($hour) {
  397: 		$result.=$hour.' hrs ';
  398:             }
  399:             if ($min) {
  400: 		$result.=$min.' mins ';
  401:             }
  402:             if ($sec) {
  403: 		$result.=$sec.' secs ';
  404:             }
  405:             $result=~s/\s+$//;
  406:         } elsif ($type=~/^date/) {
  407:             $result = localtime($value);
  408:         } else {
  409:             $result = $value;
  410:         }
  411:     }
  412:     return $result;
  413: }
  414: 
  415: ##################################################
  416: ##################################################
  417: 
  418: =pod
  419: 
  420: =item plink
  421: 
  422: Produces a link anchor.
  423: 
  424: Inputs: $type,$dis,$value,$marker,$return,$call
  425: 
  426: Returns: scalar with html code for a link which will envoke the 
  427: javascript function 'pjump'.
  428: 
  429: =cut
  430: 
  431: ##################################################
  432: ##################################################
  433: sub plink {
  434:     my ($type,$dis,$value,$marker,$return,$call)=@_;
  435:     my $winvalue=$value;
  436:     unless ($winvalue) {
  437: 	if ($type=~/^date/) {
  438:             $winvalue=$env{'form.recent_'.$type};
  439:         } else {
  440:             $winvalue=$env{'form.recent_'.(split(/\_/,$type))[0]};
  441:         }
  442:     }
  443:     return 
  444: 	'<a href="javascript:pjump('."'".$type."','".$dis."','".$winvalue."','"
  445: 	    .$marker."','".$return."','".$call."'".');">'.
  446: 		&valout($value,$type).'</a><a name="'.$marker.'"></a>';
  447: }
  448: 
  449: sub startpage {
  450:     my ($r,$id,$udom,$csec,$uname,$have_assessments)=@_;
  451: 
  452:     my $bodytag=&Apache::loncommon::bodytag('Set/Modify Course Parameters','',
  453:                                             'onUnload="pclose()"');
  454:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs(undef,'Table Mode Parameter Setting');
  455:     my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
  456:         &Apache::loncommon::selectstudent_link('parmform','uname','udom');
  457:     my $selscript=&Apache::loncommon::studentbrowser_javascript();
  458:     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
  459:     my %lt=&Apache::lonlocal::texthash(
  460:                     'captm' => "Course Assessments Parameters - Table Mode",
  461: 		    'sg'    => "Section/Group",
  462: 		    'fu'    => "For User",
  463: 		    'oi'    => "or ID",
  464: 		    'ad'    => "at Domain"
  465: 				       );
  466:     my $html=&Apache::lonxml::xmlbegin();
  467:     $r->print(<<ENDHEAD);
  468: $html
  469: <head>
  470: <title>LON-CAPA Course Parameters</title>
  471: <script>
  472: 
  473:     function pclose() {
  474:         parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
  475:                  "height=350,width=350,scrollbars=no,menubar=no");
  476:         parmwin.close();
  477:     }
  478: 
  479:     $pjump_def
  480: 
  481:     function psub() {
  482:         pclose();
  483:         if (document.parmform.pres_marker.value!='') {
  484:             document.parmform.action+='#'+document.parmform.pres_marker.value;
  485:             var typedef=new Array();
  486:             typedef=document.parmform.pres_type.value.split('_');
  487:            if (document.parmform.pres_type.value!='') {
  488:             if (typedef[0]=='date') {
  489:                 eval('document.parmform.recent_'+
  490:                      document.parmform.pres_type.value+
  491: 		     '.value=document.parmform.pres_value.value;');
  492:             } else {
  493:                 eval('document.parmform.recent_'+typedef[0]+
  494: 		     '.value=document.parmform.pres_value.value;');
  495:             }
  496: 	   }
  497:             document.parmform.submit();
  498:         } else {
  499:             document.parmform.pres_value.value='';
  500:             document.parmform.pres_marker.value='';
  501:         }
  502:     }
  503: 
  504:     function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
  505:         var options = "width=" + w + ",height=" + h + ",";
  506:         options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
  507:         options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
  508:         var newWin = window.open(url, wdwName, options);
  509:         newWin.focus();
  510:     }
  511: </script>
  512: $selscript
  513: </head>
  514: $bodytag
  515: $breadcrumbs
  516: ENDHEAD
  517:     my %sectionhash=();
  518:     my $sections='';
  519:     if (&Apache::loncommon::get_sections(
  520:                  $env{'course.'.$env{'request.course.id'}.'.domain'},
  521:                  $env{'course.'.$env{'request.course.id'}.'.num'},
  522: 					 \%sectionhash)) {
  523:         $sections=$lt{'sg'}.': <select name="csec">';
  524: 	foreach ('',sort keys %sectionhash) {
  525: 	    $sections.='<option value="'.$_.'"'.
  526: 		($_ eq $csec?'selected="selected"':'').'>'.$_.'</option>';
  527:         }
  528:         $sections.='</select>';
  529:      }
  530:      $r->print(<<ENDHEAD3);
  531: <form method="post" action="/adm/parmset?action=settable" name="parmform">
  532: <h4>$lt{'captm'}</h4>
  533: ENDHEAD3
  534: 
  535:     if (!$have_assessments) {
  536: 	$r->print('<font color="red">'.&mt('There are no assessment parameters in this course to set.').'</font><br />');	
  537:     } else {
  538: 	$r->print(<<ENDHEAD);
  539: <b>
  540: $sections
  541: <br />
  542: $lt{'fu'} 
  543: <input type="text" value="$uname" size="12" name="uname" />
  544: $lt{'oi'}
  545: <input type="text" value="$id" size="12" name="id" /> 
  546: $lt{'ad'}
  547: $chooseopt
  548: </b>
  549: <input type="hidden" value='' name="pres_value">
  550: <input type="hidden" value='' name="pres_type">
  551: <input type="hidden" value='' name="pres_marker">
  552: ENDHEAD
  553:     }
  554: }
  555: 
  556: sub print_row {
  557:     my ($r,$which,$part,$name,$symbp,$rid,$default,$defaulttype,$display,$defbgone,
  558: 	$defbgtwo,$parmlev,$uname,$udom,$csec)=@_;
  559: # get the values for the parameter in cascading order
  560: # empty levels will remain empty
  561:     my ($result,@outpar)=&parmval($$part{$which}.'.'.$$name{$which},
  562: 				  $rid,$$default{$which},$uname,$udom,$csec);
  563: # get the type for the parameters
  564: # problem: these may not be set for all levels
  565:     my ($typeresult,@typeoutpar)=&parmval($$part{$which}.'.'.
  566:                                           $$name{$which}.'.type',
  567: 				  $rid,$$defaulttype{$which},$uname,$udom,$csec);
  568: # cascade down manually
  569:     my $cascadetype=$$defaulttype{$which};
  570:     for (my $i=11;$i>0;$i--) {
  571: 	 if ($typeoutpar[$i]) { 
  572:             $cascadetype=$typeoutpar[$i];
  573: 	} else {
  574:             $typeoutpar[$i]=$cascadetype;
  575:         }
  576:     }
  577:     my $parm=$$display{$which};
  578: 
  579:     if ($parmlev eq 'full') {
  580:         $r->print('<td bgcolor='.$defbgtwo.' align="center">'
  581:                   .$$part{$which}.'</td>');
  582:     } else {    
  583:         $parm=~s|\[.*\]\s||g;
  584:     }
  585: 
  586:     $r->print('<td bgcolor='.$defbgone.'>'.$parm.'</td>');
  587:    
  588:     my $thismarker=$which;
  589:     $thismarker=~s/^parameter\_//;
  590:     my $mprefix=$rid.'&'.$thismarker.'&';
  591: 
  592:     if ($parmlev eq 'general') {
  593: 
  594:         if ($uname) {
  595:             &print_td($r,3,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  596:         } elsif ($csec) {
  597:             &print_td($r,6,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display); 
  598:         } else {
  599:             &print_td($r,11,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display); 
  600:         }
  601:     } elsif ($parmlev eq 'map') {
  602: 
  603:         if ($uname) {
  604:             &print_td($r,2,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  605:         } elsif ($csec) {
  606:             &print_td($r,5,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  607:         } else {
  608:             &print_td($r,10,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  609:         }
  610:     } else {
  611: 
  612:         &print_td($r,11,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  613: 
  614: 	&print_td($r,10,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  615: 	&print_td($r,9,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  616: 	&print_td($r,8,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  617: 	&print_td($r,7,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  618: 	
  619: 	if ($csec) {
  620: 	    &print_td($r,6,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  621: 	    &print_td($r,5,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  622: 	    &print_td($r,4,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  623: 	}
  624: 	if ($uname) {
  625: 	    &print_td($r,3,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  626: 	    &print_td($r,2,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  627: 	    &print_td($r,1,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
  628: 	}
  629: 
  630:     } # end of $parmlev if/else
  631: 
  632:     $r->print('<td bgcolor=#CCCCFF align="center">'.
  633:                   &valout($outpar[$result],$typeoutpar[$result]).'</td>');
  634: 
  635:     if ($parmlev eq 'full') {
  636:         my $sessionval=&Apache::lonnet::EXT('resource.'.$$part{$which}.
  637:                                         '.'.$$name{$which},$$symbp{$rid});
  638:         my $sessionvaltype=$typeoutpar[$result];
  639:         if (!defined($sessionvaltype)) { $sessionvaltype=$$defaulttype{$which}; }
  640:         $r->print('<td bgcolor=#999999 align="center"><font color=#FFFFFF>'.
  641:                   &valout($sessionval,$sessionvaltype).'&nbsp;'.
  642:                   '</font></td>');
  643:     }
  644:     $r->print('</tr>');
  645:     $r->print("\n");
  646: }
  647: 
  648: sub print_td {
  649:     my ($r,$which,$defbg,$result,$outpar,$mprefix,$value,$typeoutpar,$display)=@_;
  650:     $r->print('<td bgcolor='.(($result==$which)?'"#AAFFAA"':$defbg).
  651:               ' align="center">');
  652:     if ($which<8 || $which > 9) {
  653: 	$r->print(&plink($$typeoutpar[$which],
  654: 			 $$display{$value},$$outpar[$which],
  655: 			 $mprefix."$which",'parmform.pres','psub'));
  656:     } else {
  657: 	$r->print(&valout($$outpar[$which],$$typeoutpar[$which]));
  658:     }
  659:     $r->print('</td>'."\n");
  660: }
  661: 
  662: 
  663: =pod
  664: 
  665: =item B<extractResourceInformation>: Given the course data hash, extractResourceInformation extracts lots of information about the course's resources into a variety of hashes.
  666: 
  667: Input: See list below:
  668: 
  669: =over 4
  670: 
  671: =item B<ids>: An array that will contain all of the ids in the course.
  672: 
  673: =item B<typep>: hash, id->type, where "type" contains the extension of the file, thus, I<problem exam quiz assess survey form>.
  674: 
  675: =item B<keyp>: hash, id->key list, will contain a comma separated list of the meta-data keys available for the given id
  676: 
  677: =item B<allparms>: hash, name of parameter->display value (what is the display value?)
  678: 
  679: =item B<allparts>: hash, part identification->text representation of part, where the text representation is "[Part $part]"
  680: 
  681: =item B<allkeys>: hash, full key to part->display value (what's display value?)
  682: 
  683: =item B<allmaps>: hash, ???
  684: 
  685: =item B<fcat>: ???
  686: 
  687: =item B<defp>: hash, ???
  688: 
  689: =item B<mapp>: ??
  690: 
  691: =item B<symbp>: hash, id->full sym?
  692: 
  693: =back
  694: 
  695: =cut
  696: 
  697: sub extractResourceInformation {
  698:     my $ids = shift;
  699:     my $typep = shift;
  700:     my $keyp = shift;
  701:     my $allparms = shift;
  702:     my $allparts = shift;
  703:     my $allkeys = shift;
  704:     my $allmaps = shift;
  705:     my $fcat = shift;
  706:     my $defp = shift;
  707:     my $mapp = shift;
  708:     my $symbp = shift;
  709:     my $maptitles=shift;
  710:     my $uris=shift;
  711: 
  712: 
  713:     my $navmap = Apache::lonnavmaps::navmap->new();
  714:     my @allres=$navmap->retrieveResources(undef,undef,1,undef,1);
  715:     foreach my $resource (@allres) {
  716: 	my $id=$resource->id();
  717:         my ($mapid,$resid)=split(/\./,$id);
  718: 	if ($mapid eq '0') { next; }
  719: 	$$ids[$#$ids+1]=$id;
  720: 	my $srcf=$resource->src();
  721: 	$srcf=~/\.(\w+)$/;
  722: 	$$typep{$id}=$1;
  723: 	$$keyp{$id}='';
  724:         $$uris{$id}=$srcf;
  725: 	foreach (split(/\,/,&Apache::lonnet::metadata($srcf,'allpossiblekeys'))) {
  726: 	    if ($_=~/^parameter\_(.*)/) {
  727: 		my $key=$_;
  728: 		my $allkey=$1;
  729: 		$allkey=~s/\_/\./g;
  730: 		if (&Apache::lonnet::metadata($srcf,$key.'.hidden') eq 
  731: 		    'parm') {
  732: 		    next; #hide hidden things
  733: 		}
  734: 		my $display= &Apache::lonnet::metadata($srcf,$key.'.display');
  735: 		my $name=&Apache::lonnet::metadata($srcf,$key.'.name');
  736: 		my $part= &Apache::lonnet::metadata($srcf,$key.'.part');
  737: 		my $parmdis = $display;
  738: 		$parmdis =~ s|(\[Part.*)$||g;
  739: 		my $partkey = $part;
  740: 		$partkey =~ tr|_|.|;
  741: 		$$allparms{$name} = $parmdis;
  742: 		$$allparts{$part} = "[Part $part]";
  743: 		$$allkeys{$allkey}=$display;
  744: 		if ($allkey eq $fcat) {
  745: 		    $$defp{$id}= &Apache::lonnet::metadata($srcf,$key);
  746: 		}
  747: 		if ($$keyp{$id}) {
  748: 		    $$keyp{$id}.=','.$key;
  749: 		} else {
  750: 		    $$keyp{$id}=$key;
  751: 		}
  752: 	    }
  753: 	}
  754: 	$$mapp{$id}=
  755: 	    &Apache::lonnet::declutter($resource->enclosing_map_src());
  756: 	$$mapp{$mapid}=$$mapp{$id};
  757: 	$$allmaps{$mapid}=$$mapp{$id};
  758: 	if ($mapid eq '1') {
  759: 	    $$maptitles{$mapid}='Main Course Documents';
  760: 	} else {
  761: 	    $$maptitles{$mapid}=&Apache::lonnet::gettitle(&Apache::lonnet::clutter($$mapp{$id}));
  762: 	}
  763: 	$$maptitles{$$mapp{$id}}=$$maptitles{$mapid};
  764: 	$$symbp{$id}=&Apache::lonnet::encode_symb($$mapp{$id},$resid,$srcf);
  765: 	$$symbp{$mapid}=$$mapp{$id}.'___(all)';
  766:     }
  767: }
  768: 
  769: ##################################################
  770: ##################################################
  771: 
  772: =pod
  773: 
  774: =item assessparms
  775: 
  776: Show assessment data and parameters.  This is a large routine that should
  777: be simplified and shortened... someday.
  778: 
  779: Inputs: $r
  780: 
  781: Returns: nothing
  782: 
  783: Variables used (guessed by Jeremy):
  784: 
  785: =over 4
  786: 
  787: =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.
  788: 
  789: =item B<psprt>: ParameterS PaRTs? a list of the parts of a problem that we are displaying? Used to display only selected parts?
  790: 
  791: =item B<allmaps>:
  792: 
  793: =back
  794: 
  795: =cut
  796: 
  797: ##################################################
  798: ##################################################
  799: sub assessparms {
  800: 
  801:     my $r=shift;
  802: 
  803:     my @ids=();
  804:     my %symbp=();
  805:     my %mapp=();
  806:     my %typep=();
  807:     my %keyp=();
  808:     my %uris=();
  809:     my %maptitles=();
  810: 
  811: # -------------------------------------------------------- Variable declaration
  812:     my %allkeys=();
  813:     my %allmaps=();
  814:     my %alllevs=();
  815: 
  816:     my $uname;
  817:     my $udom;
  818:     my $uhome;
  819:     my $csec;
  820:  
  821:     my $coursename=$env{'course.'.$env{'request.course.id'}.'.description'};
  822: 
  823:     $alllevs{'Resource Level'}='full';
  824:     $alllevs{'Map Level'}='map';
  825:     $alllevs{'Course Level'}='general';
  826: 
  827:     my %allparms;
  828:     my %allparts;
  829: 
  830:     my %defp;
  831: 
  832:     @ids=();
  833:     %symbp=();
  834:     %typep=();
  835: 
  836:     my $message='';
  837: 
  838:     $csec=$env{'form.csec'};
  839: 
  840:     if      ($udom=$env{'form.udom'}) {
  841:     } elsif ($udom=$env{'request.role.domain'}) {
  842:     } elsif ($udom=$env{'user.domain'}) {
  843:     } else {
  844: 	$udom=$r->dir_config('lonDefDomain');
  845:     }
  846: 
  847:     my @pscat=&Apache::loncommon::get_env_multiple('form.pscat');
  848:     my $pschp=$env{'form.pschp'};
  849:     my @psprt=&Apache::loncommon::get_env_multiple('form.psprt');
  850:     if (!@psprt) { $psprt[0]='0'; }
  851:     my $showoptions=$env{'form.showoptions'};
  852: 
  853:     my $pssymb='';
  854:     my $parmlev='';
  855:     my $prevvisit=$env{'form.prevvisit'};
  856:  
  857:     unless ($env{'form.parmlev'}) {
  858:         $parmlev = 'map';
  859:     } else {
  860:         $parmlev = $env{'form.parmlev'};
  861:     }
  862: 
  863: # ----------------------------------------------- Was this started from grades?
  864: 
  865:     if (($env{'form.command'} eq 'set') && ($env{'form.url'})
  866: 	&& (!$env{'form.dis'})) {
  867: 	my $url=$env{'form.url'};
  868: 	$url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
  869: 	$pssymb=&Apache::lonnet::symbread($url);
  870: 	if (!@pscat) { @pscat=('all'); }
  871: 	$pschp='';
  872:         $parmlev = 'full';
  873:     } elsif ($env{'form.symb'}) {
  874: 	$pssymb=$env{'form.symb'};
  875: 	if (!@pscat) { @pscat=('all'); }
  876: 	$pschp='';
  877:         $parmlev = 'full';
  878:     } else {
  879: 	$env{'form.url'}='';
  880:     }
  881: 
  882:     my $id=$env{'form.id'};
  883:     if (($id) && ($udom)) {
  884: 	$uname=(&Apache::lonnet::idget($udom,$id))[1];
  885: 	if ($uname) {
  886: 	    $id='';
  887: 	} else {
  888: 	    $message=
  889: 		"<font color=red>".&mt("Unknown ID")." '$id' ".
  890: 		&mt('at domain')." '$udom'</font>";
  891: 	}
  892:     } else {
  893: 	$uname=$env{'form.uname'};
  894:     }
  895:     unless ($udom) { $uname=''; }
  896:     $uhome='';
  897:     if ($uname) {
  898: 	$uhome=&Apache::lonnet::homeserver($uname,$udom);
  899:         if ($uhome eq 'no_host') {
  900: 	    $message=
  901: 		"<font color=red>".&mt("Unknown user")." '$uname' ".
  902: 		&mt("at domain")." '$udom'</font>";
  903: 	    $uname='';
  904:         } else {
  905: 	    $csec=&Apache::lonnet::getsection($udom,$uname,
  906: 					      $env{'request.course.id'});
  907: 	    if ($csec eq '-1') {
  908: 		$message="<font color=red>".
  909: 		    &mt("User")." '$uname' ".&mt("at domain")." '$udom' ".
  910: 		    &mt("not in this course")."</font>";
  911: 		$uname='';
  912: 		$csec=$env{'form.csec'};
  913: 	    } else {
  914: 		my %name=&Apache::lonnet::userenvironment($udom,$uname,
  915: 		      ('firstname','middlename','lastname','generation','id'));
  916: 		$message="\n<p>\n".&mt("Full Name").": ".
  917: 		    $name{'firstname'}.' '.$name{'middlename'}.' '
  918: 			.$name{'lastname'}.' '.$name{'generation'}.
  919: 			    "<br>\n".&mt('ID').": ".$name{'id'}.'<p>';
  920: 	    }
  921:         }
  922:     }
  923: 
  924:     unless ($csec) { $csec=''; }
  925: 
  926:     my $fcat=$env{'form.fcat'};
  927:     unless ($fcat) { $fcat=''; }
  928: 
  929: # --------------------------------------------------------- Get all assessments
  930:     &extractResourceInformation(\@ids, \%typep,\%keyp, \%allparms, \%allparts, \%allkeys, \%allmaps, $fcat, \%defp, \%mapp, \%symbp,\%maptitles,\%uris);
  931: 
  932:     $mapp{'0.0'} = '';
  933:     $symbp{'0.0'} = '';
  934: 
  935: # ---------------------------------------------------------- Anything to store?
  936:     if ($env{'form.pres_marker'}) {
  937:         my @markers=split(/\&\&\&/,$env{'form.pres_marker'});
  938:         my @values=split(/\&\&\&/,$env{'form.pres_value'});
  939:         my @types=split(/\&\&\&/,$env{'form.pres_type'});
  940: 	for (my $i=0;$i<=$#markers;$i++) {
  941: 	    $message.=&storeparm(split(/\&/,$markers[$i]),
  942: 				 $values[$i],
  943: 				 $types[$i],
  944: 				 $uname,$udom,$csec);
  945: 	}
  946: # ---------------------------------------------------------------- Done storing
  947: 	$message.='<h3>'.&mt('Changes can take up to 10 minutes before being active for all students.').&Apache::loncommon::help_open_topic('Caching').'</h3>';
  948:     }
  949: # ------------------------------------------------------------------- Sort this
  950: 
  951:     @ids=sort  {
  952: 	if ($fcat eq '') {
  953: 	    $a<=>$b;
  954: 	} else {
  955: 	    my ($result,@outpar)=&parmval($fcat,$a,$defp{$a},$uname,$udom,$csec);
  956: 	    my $aparm=$outpar[$result];
  957: 	    ($result,@outpar)=&parmval($fcat,$b,$defp{$b},$uname,$udom,$csec);
  958: 	    my $bparm=$outpar[$result];
  959: 	    1*$aparm<=>1*$bparm;
  960: 	}
  961:     } @ids;
  962: #----------------------------------------------- if all selected, fill in array
  963:     if ($pscat[0] eq "all" || !@pscat) {@pscat = (keys %allparms);}
  964:     if ($psprt[0] eq "all" || !@psprt) {@psprt = (keys %allparts);}
  965: # ------------------------------------------------------------------ Start page
  966: 
  967:     &startpage($r,$id,$udom,$csec,$uname,scalar(keys(%allkeys)));
  968: 
  969:     $r->print('<input type="hidden" value="true" name="prevvisit">');
  970: 
  971:     foreach ('tolerance','date_default','date_start','date_end',
  972: 	     'date_interval','int','float','string') {
  973: 	$r->print('<input type="hidden" value="'.
  974: 		  $env{'form.recent_'.$_}.'" name="recent_'.$_.'">');
  975:     }
  976: 
  977:     $r->print('<h2>'.$message.'</h2><table>');
  978:                         
  979:     my $submitmessage = &mt('Update Section or Specific User');
  980:     if (!$pssymb) {
  981:         $r->print('<tr><td>'.&mt('Select Parameter Level').
  982:        &Apache::loncommon::help_open_topic('Course_Parameter_Levels').
  983: 		  '</td><td colspan="2">');
  984:         $r->print('<select name="parmlev">');
  985:         foreach (reverse sort keys %alllevs) {
  986:             $r->print('<option value="'.$alllevs{$_}.'"');
  987:             if ($parmlev eq $alllevs{$_}) {
  988:                $r->print(' selected'); 
  989:             }
  990:             $r->print('>'.$_.'</option>');
  991:         }
  992:         $r->print("</select></td>\n");
  993: 
  994:         $r->print('</tr>');
  995: 	if ($parmlev ne 'general') {
  996: 	    $r->print('<tr><td>'.&mt('Select Enclosing Map or Folder').'</td>');
  997: 	    $r->print('<td colspan="2"><select name="pschp">');
  998: 	    $r->print('<option value="all">'.&mt('All Maps or Folders').'</option>');
  999: 	    foreach (sort {$allmaps{$a} cmp $allmaps{$b}} keys %allmaps) {
 1000: 		$r->print('<option value="'.$_.'"');
 1001: 		if (($pschp eq $_)) { $r->print(' selected'); }
 1002: 		$r->print('>'.$maptitles{$_}.($allmaps{$_}!~/^uploaded/?'  ['.$allmaps{$_}.']':'').'</option>');
 1003: 	    }
 1004: 	    $r->print("</select></td></tr>\n");
 1005: 	}
 1006:     } else {
 1007:         my ($map,$id,$resource)=&Apache::lonnet::decode_symb($pssymb);
 1008:         $r->print("<tr><td>".&mt('Specific Resource')."</td><td>$resource</td>");
 1009:         $r->print('<td><input type="submit" name="dis" value="'.$submitmessage.'"></td>');
 1010:         $r->print('</tr>');
 1011:         $r->print('<input type="hidden" value="'.$pssymb.'" name="symb">');
 1012:     }
 1013: 
 1014:     $r->print('<tr><td colspan="3"><hr /><label><input type="checkbox"');
 1015:     if ($showoptions eq 'show') {$r->print(" checked ");}
 1016:     $r->print(' name="showoptions" value="show" />'.&mt('Show More Options').'</label><hr /></td></tr>');
 1017: #    $r->print("<tr><td>Show: $showoptions</td></tr>");
 1018: #    $r->print("<tr><td>pscat: @pscat</td></tr>");
 1019: #    $r->print("<tr><td>psprt: @psprt</td></tr>");
 1020: #    $r->print("<tr><td>fcat:  $fcat</td></tr>");
 1021: 
 1022:     if ($showoptions eq 'show') {
 1023:         my $tempkey;
 1024: 
 1025:         $r->print('<tr><td colspan="3" align="center">'.&mt('Select Parameters to View').'</td></tr>');
 1026: 
 1027:         $r->print('<tr><td colspan="2"><table><tr>');
 1028:         my $cnt=0;
 1029:         foreach $tempkey (sort { $allparms{$a} cmp $allparms{$b} }
 1030:                       keys %allparms ) {
 1031:             ++$cnt;
 1032:             $r->print('</tr><tr>') if ($cnt%2);
 1033:             $r->print('<td><input type="checkbox" name="pscat" ');
 1034:             $r->print('value="'.$tempkey.'"');
 1035:             if ($pscat[0] eq "all" || grep $_ eq $tempkey, @pscat) {
 1036:                 $r->print(' checked');
 1037:             }
 1038: 	    $r->print('>'.$allparms{$tempkey}.'</td>');
 1039: 	}
 1040: 	$r->print('
 1041: </tr><tr><td>
 1042: <script type="text/javascript">
 1043:     function checkall(value, checkName) {
 1044: 	for (i=0; i<document.forms.parmform.elements.length; i++) {
 1045:             ele = document.forms.parmform.elements[i];
 1046:             if (ele.name == checkName) {
 1047:                 document.forms.parmform.elements[i].checked=value;
 1048:             }
 1049:         }
 1050:     }
 1051: </script>
 1052: <input type="button" onclick="checkall(true, \'pscat\')" value="Select All" />
 1053: </td><td>
 1054: <input type="button" onclick="checkall(false, \'pscat\')" value="Unselect All" />
 1055: </td>
 1056: ');
 1057:         $r->print('</tr></table>');
 1058: 
 1059: #        $r->print('<tr><td>Select Parts</td><td>');
 1060:         $r->print('<td><select multiple name="psprt" size="5">');
 1061:         $r->print('<option value="all"');
 1062:         $r->print(' selected') unless (@psprt);
 1063:         $r->print('>'.&mt('All Parts').'</option>');
 1064:         my %temphash=();
 1065:         foreach (@psprt) { $temphash{$_}=1; }
 1066:         foreach $tempkey (sort keys %allparts) {
 1067:             unless ($tempkey =~ /\./) {
 1068:                 $r->print('<option value="'.$tempkey.'"');
 1069:                 if ($psprt[0] eq "all" ||  $temphash{$tempkey}) {
 1070:                     $r->print(' selected');
 1071:                 }
 1072:                 $r->print('>'.$allparts{$tempkey}.'</option>');
 1073:             }
 1074:         }
 1075:         $r->print('</select></td></tr><tr><td colspan="3"><hr /></td></tr>');
 1076: 
 1077:         $r->print('<tr><td>'.&mt('Sort list by').'</td><td>');
 1078:         $r->print('<select name="fcat">');
 1079:         $r->print('<option value="">'.&mt('Enclosing Map or Folder').'</option>');
 1080:         foreach (sort keys %allkeys) {
 1081:             $r->print('<option value="'.$_.'"');
 1082:             if ($fcat eq $_) { $r->print(' selected'); }
 1083:             $r->print('>'.$allkeys{$_}.'</option>');
 1084:         }
 1085:         $r->print('</select></td>');
 1086: 
 1087:         $r->print('</tr><tr><td colspan="3"><hr /></td></tr>');
 1088: 
 1089:     } else { # hide options - include any necessary extras here
 1090: 
 1091:         $r->print('<input type="hidden" name="fcat" value="'.$fcat.'">'."\n");
 1092: 
 1093:         unless (@pscat) {
 1094:           foreach (keys %allparms ) {
 1095:             $r->print('<input type="hidden" name="pscat" value="'.$_.'">'."\n");
 1096:           }
 1097:         } else {
 1098:           foreach (@pscat) {
 1099:             $r->print('<input type="hidden" name="pscat" value="'.$_.'">'."\n");
 1100:           }
 1101:         }
 1102: 
 1103:         unless (@psprt) {
 1104:           foreach (keys %allparts ) {
 1105:             $r->print('<input type="hidden" name="psprt" value="'.$_.'">'."\n");
 1106:           }
 1107:         } else {
 1108:           foreach (@psprt) {
 1109:             $r->print('<input type="hidden" name="psprt" value="'.$_.'">'."\n");
 1110:           }
 1111:         }
 1112: 
 1113:     }
 1114:     $r->print('</table><br />');
 1115:     if (($prevvisit) || ($pschp) || ($pssymb)) {
 1116:         $submitmessage = &mt("Update Course Assessment Parameter Display");
 1117:     } else {
 1118:         $submitmessage = &mt("Set/Modify Course Assessment Parameters");
 1119:     }
 1120:     $r->print('<input type="submit" name="dis" value="'.$submitmessage.'">');
 1121: 
 1122: #    my @temp_psprt;
 1123: #    foreach my $t (@psprt) {
 1124: #	push(@temp_psprt, grep {eval (/^$t\./ || ($_ == $t))} (keys %allparts));
 1125: #    }
 1126: 
 1127: #    @psprt = @temp_psprt;
 1128: 
 1129:     my @temp_pscat;
 1130:     map {
 1131:         my $cat = $_;
 1132:         push(@temp_pscat, map { $_.'.'.$cat } @psprt);
 1133:     } @pscat;
 1134: 
 1135:     @pscat = @temp_pscat;
 1136: 
 1137:     if (($prevvisit) || ($pschp) || ($pssymb)) {
 1138: # ----------------------------------------------------------------- Start Table
 1139:         my @catmarker=map { tr|.|_|; 'parameter_'.$_; } @pscat;
 1140:         my $csuname=$env{'user.name'};
 1141:         my $csudom=$env{'user.domain'};
 1142: 
 1143:         if ($parmlev eq 'full') {
 1144:            my $coursespan=$csec?8:5;
 1145:            $r->print('<p><table border=2>');
 1146:            $r->print('<tr><td colspan=5></td>');
 1147:            $r->print('<th colspan='.($coursespan).'>'.&mt('Any User').'</th>');
 1148:            if ($uname) {
 1149:                $r->print("<th colspan=3 rowspan=2>");
 1150:                $r->print(&mt("User")." $uname ".&mt('at Domain')." $udom</th>");
 1151:            }
 1152: 	   my %lt=&Apache::lonlocal::texthash(
 1153: 				  'pie'    => "Parameter in Effect",
 1154: 				  'csv'    => "Current Session Value",
 1155:                                   'at'     => 'at',
 1156:                                   'rl'     => "Resource Level",
 1157: 				  'ic'     => 'in Course',
 1158: 				  'aut'    => "Assessment URL and Title",
 1159: 				  'type'   => 'Type',
 1160: 				  'emof'   => "Enclosing Map or Folder",
 1161: 				  'part'   => 'Part',
 1162:                                   'pn'     => 'Parameter Name',
 1163: 				  'def'    => 'default',
 1164: 				  'femof'  => 'from Enclosing Map or Folder',
 1165: 				  'gen'    => 'general',
 1166: 				  'foremf' => 'for Enclosing Map or Folder',
 1167: 				  'fr'     => 'for Resource'
 1168: 					      );
 1169:            $r->print(<<ENDTABLETWO);
 1170: <th rowspan=3>$lt{'pie'}</th>
 1171: <th rowspan=3>$lt{'csv'}<br>($csuname $lt{'at'} $csudom)</th>
 1172: </tr><tr><td colspan=5></td><th colspan=2>$lt{'ic'}</th><th colspan=2>$lt{'rl'}</th>
 1173: <th colspan=1>$lt{'ic'}</th>
 1174: 
 1175: ENDTABLETWO
 1176:            if ($csec) {
 1177:                 $r->print("<th colspan=3>".
 1178: 			  &mt("in Section/Group")." $csec</th>");
 1179:            }
 1180:            $r->print(<<ENDTABLEHEADFOUR);
 1181: </tr><tr><th>$lt{'aut'}</th><th>$lt{'type'}</th>
 1182: <th>$lt{'emof'}</th><th>$lt{'part'}</th><th>$lt{'pn'}</th>
 1183: <th>$lt{'gen'}</th><th>$lt{'foremf'}</th>
 1184: <th>$lt{'def'}</th><th>$lt{'femof'}</th><th>$lt{'fr'}</th>
 1185: ENDTABLEHEADFOUR
 1186: 
 1187:            if ($csec) {
 1188:                $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
 1189:            }
 1190: 
 1191:            if ($uname) {
 1192:                $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
 1193:            }
 1194: 
 1195:            $r->print('</tr>');
 1196: 
 1197:            my $defbgone='';
 1198:            my $defbgtwo='';
 1199: 
 1200:            foreach (@ids) {
 1201: 
 1202:                 my $rid=$_;
 1203:                 my ($inmapid)=($rid=~/\.(\d+)$/);
 1204: 
 1205:                 if ((!$pssymb && 
 1206: 		     (($pschp eq 'all') || ($allmaps{$pschp} eq $mapp{$rid})))
 1207: 		    ||
 1208: 		    ($pssymb && $pssymb eq $symbp{$rid})) {
 1209: # ------------------------------------------------------ Entry for one resource
 1210:                     if ($defbgone eq '"#E0E099"') {
 1211:                         $defbgone='"#E0E0DD"';
 1212:                     } else {
 1213:                         $defbgone='"#E0E099"';
 1214:                     }
 1215:                     if ($defbgtwo eq '"#FFFF99"') {
 1216:                         $defbgtwo='"#FFFFDD"';
 1217:                     } else {
 1218:                         $defbgtwo='"#FFFF99"';
 1219:                     }
 1220:                     my $thistitle='';
 1221:                     my %name=   ();
 1222:                     undef %name;
 1223:                     my %part=   ();
 1224:                     my %display=();
 1225:                     my %type=   ();
 1226:                     my %default=();
 1227:                     my $uri=&Apache::lonnet::declutter($uris{$rid});
 1228: 
 1229:                     foreach (split(/\,/,$keyp{$rid})) {
 1230:                         my $tempkeyp = $_;
 1231:                         if (grep $_ eq $tempkeyp, @catmarker) {
 1232:                           $part{$_}=&Apache::lonnet::metadata($uri,$_.'.part');
 1233:                           $name{$_}=&Apache::lonnet::metadata($uri,$_.'.name');
 1234:                           $display{$_}=&Apache::lonnet::metadata($uri,$_.'.display');
 1235:                           unless ($display{$_}) { $display{$_}=''; }
 1236:                           $display{$_}.=' ('.$name{$_}.')';
 1237:                           $default{$_}=&Apache::lonnet::metadata($uri,$_);
 1238:                           $type{$_}=&Apache::lonnet::metadata($uri,$_.'.type');
 1239:                           $thistitle=&Apache::lonnet::metadata($uri,$_.'.title');
 1240:                         }
 1241:                     }
 1242:                     my $totalparms=scalar keys %name;
 1243:                     if ($totalparms>0) {
 1244:                         my $firstrow=1;
 1245: 			my $title=&Apache::lonnet::gettitle($uri);
 1246:                         $r->print('<tr><td bgcolor='.$defbgone.
 1247:                              ' rowspan='.$totalparms.
 1248:                              '><tt><font size=-1>'.
 1249:                              join(' / ',split(/\//,$uri)).
 1250:                              '</font></tt><p><b>'.
 1251:                              "<a href=\"javascript:openWindow('".
 1252: 				  &Apache::lonnet::clutter($uri).
 1253:                              "', 'metadatafile', '450', '500', 'no', 'yes')\";".
 1254:                              " TARGET=_self>$title");
 1255: 
 1256:                         if ($thistitle) {
 1257:                             $r->print(' ('.$thistitle.')');
 1258:                         }
 1259:                         $r->print('</a></b></td>');
 1260:                         $r->print('<td bgcolor='.$defbgtwo.
 1261:                                       ' rowspan='.$totalparms.'>'.$typep{$rid}.
 1262:                                       '</td>');
 1263: 
 1264:                         $r->print('<td bgcolor='.$defbgone.
 1265:                                       ' rowspan='.$totalparms.
 1266:                                       '><tt><font size=-1>');
 1267: 
 1268:                         $r->print(' / res / ');
 1269:                         $r->print(join(' / ', split(/\//,$mapp{$rid})));
 1270: 
 1271:                         $r->print('</font></tt></td>');
 1272: 
 1273:                         foreach (sort keys %name) {
 1274:                             unless ($firstrow) {
 1275:                                 $r->print('<tr>');
 1276:                             } else {
 1277:                                 undef $firstrow;
 1278:                             }
 1279: 
 1280:                             &print_row($r,$_,\%part,\%name,\%symbp,$rid,\%default,
 1281:                                        \%type,\%display,$defbgone,$defbgtwo,
 1282:                                        $parmlev,$uname,$udom,$csec);
 1283:                         }
 1284:                     }
 1285:                 }
 1286:             } # end foreach ids
 1287: # -------------------------------------------------- End entry for one resource
 1288:             $r->print('</table>');
 1289:         } # end of  full
 1290: #--------------------------------------------------- Entry for parm level map
 1291:         if ($parmlev eq 'map') {
 1292:             my $defbgone = '"E0E099"';
 1293:             my $defbgtwo = '"FFFF99"';
 1294: 
 1295:             my %maplist;
 1296: 
 1297:             if ($pschp eq 'all') {
 1298:                 %maplist = %allmaps; 
 1299:             } else {
 1300:                 %maplist = ($pschp => $mapp{$pschp});
 1301:             }
 1302: 
 1303: #-------------------------------------------- for each map, gather information
 1304:             my $mapid;
 1305: 	    foreach $mapid (sort {$maplist{$a} cmp $maplist{$b}} keys %maplist) {
 1306:                 my $maptitle = $maplist{$mapid};
 1307: 
 1308: #-----------------------  loop through ids and get all parameter types for map
 1309: #-----------------------------------------          and associated information
 1310:                 my %name = ();
 1311:                 my %part = ();
 1312:                 my %display = ();
 1313:                 my %type = ();
 1314:                 my %default = ();
 1315:                 my $map = 0;
 1316: 
 1317: #		$r->print("Catmarker: @catmarker<br />\n");
 1318:                
 1319:                 foreach (@ids) {
 1320:                   ($map)=(/([\d]*?)\./);
 1321:                   my $rid = $_;
 1322:         
 1323: #                  $r->print("$mapid:$map:   $rid <br /> \n");
 1324: 
 1325:                   if ($map eq $mapid) {
 1326:                     my $uri=&Apache::lonnet::declutter($uris{$rid});
 1327: #                    $r->print("Keys: $keyp{$rid} <br />\n");
 1328: 
 1329: #--------------------------------------------------------------------
 1330: # @catmarker contains list of all possible parameters including part #s
 1331: # $fullkeyp contains the full part/id # for the extraction of proper parameters
 1332: # $tempkeyp contains part 0 only (no ids - ie, subparts)
 1333: # When storing information, store as part 0
 1334: # When requesting information, request from full part
 1335: #-------------------------------------------------------------------
 1336:                     foreach (split(/\,/,$keyp{$rid})) {
 1337:                       my $tempkeyp = $_;
 1338:                       my $fullkeyp = $tempkeyp;
 1339:                       $tempkeyp =~ s/_\w+_/_0_/;
 1340:                       
 1341:                       if ((grep $_ eq $fullkeyp, @catmarker) &&(!$name{$tempkeyp})) {
 1342:                         $part{$tempkeyp}="0";
 1343:                         $name{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.name');
 1344:                         $display{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.display');
 1345:                         unless ($display{$tempkeyp}) { $display{$tempkeyp}=''; }
 1346:                         $display{$tempkeyp}.=' ('.$name{$tempkeyp}.')';
 1347:                         $display{$tempkeyp} =~ s/_\w+_/_0_/;
 1348:                         $default{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp);
 1349:                         $type{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.type');
 1350:                       }
 1351:                     } # end loop through keys
 1352:                   }
 1353:                 } # end loop through ids
 1354:                                  
 1355: #---------------------------------------------------- print header information
 1356:                 my $foldermap=&mt($maptitle=~/^uploaded/?'Folder':'Map');
 1357:                 my $showtitle=$maptitles{$maptitle}.($maptitle!~/^uploaded/?' ['.$maptitle.']':'');
 1358:                 $r->print(<<ENDMAPONE);
 1359: <center><h4>
 1360: Set Defaults for All Resources in $foldermap<br />
 1361: <font color="red"><i>$showtitle</i></font><br />
 1362: Specifically for
 1363: ENDMAPONE
 1364:                 if ($uname) {
 1365:                     my %name=&Apache::lonnet::userenvironment($udom,$uname,
 1366:                       ('firstname','middlename','lastname','generation', 'id'));
 1367:                     my $person=$name{'firstname'}.' '.$name{'middlename'}.' '
 1368:                            .$name{'lastname'}.' '.$name{'generation'};
 1369:                     $r->print(&mt("User")." <font color=\"red\"><i>$uname \($person\) </i></font> ".
 1370:                         &mt('in')." \n");
 1371:                 } else {
 1372:                     $r->print("<font color=\"red\"><i>".&mt('all').'</i></font> '.&mt('users in')." \n");
 1373:                 }
 1374:             
 1375:                 if ($csec) {$r->print(&mt("Section")." <font color=\"red\"><i>$csec</i></font> ".
 1376: 				      &mt('of')." \n")};
 1377: 
 1378:                 $r->print("<font color=\"red\"><i>$coursename</i></font><br />");
 1379:                 $r->print("</h4>\n");
 1380: #---------------------------------------------------------------- print table
 1381:                 $r->print('<p><table border="2">');
 1382:                 $r->print('<tr><th>'.&mt('Parameter Name').'</th>');
 1383:                 $r->print('<th>'.&mt('Default Value').'</th>');
 1384:                 $r->print('<th>'.&mt('Parameter in Effect').'</th></tr>');
 1385: 
 1386: 	        foreach (sort keys %name) {
 1387:                     $r->print('<tr>');
 1388:                     &print_row($r,$_,\%part,\%name,\%symbp,$mapid,\%default,
 1389:                            \%type,\%display,$defbgone,$defbgtwo,
 1390:                            $parmlev,$uname,$udom,$csec);
 1391: #                    $r->print("<tr><td>resource.$part{$_}.$name{$_},$symbp{$mapid}</td></tr>\n");
 1392:                 }
 1393:                 $r->print("</table></center>");
 1394:             } # end each map
 1395:         } # end of $parmlev eq map
 1396: #--------------------------------- Entry for parm level general (Course level)
 1397:         if ($parmlev eq 'general') {
 1398:             my $defbgone = '"E0E099"';
 1399:             my $defbgtwo = '"FFFF99"';
 1400: 
 1401: #-------------------------------------------- for each map, gather information
 1402:             my $mapid="0.0";
 1403: #-----------------------  loop through ids and get all parameter types for map
 1404: #-----------------------------------------          and associated information
 1405:             my %name = ();
 1406:             my %part = ();
 1407:             my %display = ();
 1408:             my %type = ();
 1409:             my %default = ();
 1410:                
 1411:             foreach (@ids) {
 1412:                 my $rid = $_;
 1413:         
 1414:                 my $uri=&Apache::lonnet::declutter($uris{$rid});
 1415: 
 1416: #--------------------------------------------------------------------
 1417: # @catmarker contains list of all possible parameters including part #s
 1418: # $fullkeyp contains the full part/id # for the extraction of proper parameters
 1419: # $tempkeyp contains part 0 only (no ids - ie, subparts)
 1420: # When storing information, store as part 0
 1421: # When requesting information, request from full part
 1422: #-------------------------------------------------------------------
 1423:                 foreach (split(/\,/,$keyp{$rid})) {
 1424:                   my $tempkeyp = $_;
 1425:                   my $fullkeyp = $tempkeyp;
 1426:                   $tempkeyp =~ s/_\w+_/_0_/;
 1427:                   if ((grep $_ eq $fullkeyp, @catmarker) &&(!$name{$tempkeyp})) {
 1428:                     $part{$tempkeyp}="0";
 1429:                     $name{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.name');
 1430:                     $display{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.display');
 1431:                     unless ($display{$tempkeyp}) { $display{$tempkeyp}=''; }
 1432:                     $display{$tempkeyp}.=' ('.$name{$tempkeyp}.')';
 1433:                     $display{$tempkeyp} =~ s/_\w+_/_0_/;
 1434:                     $default{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp);
 1435:                     $type{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.type');
 1436:                   }
 1437:                 } # end loop through keys
 1438:             } # end loop through ids
 1439:                                  
 1440: #---------------------------------------------------- print header information
 1441: 	    my $setdef=&mt("Set Defaults for All Resources in Course");
 1442:             $r->print(<<ENDMAPONE);
 1443: <center><h4>$setdef
 1444: <font color="red"><i>$coursename</i></font><br />
 1445: ENDMAPONE
 1446:             if ($uname) {
 1447:                 my %name=&Apache::lonnet::userenvironment($udom,$uname,
 1448:                   ('firstname','middlename','lastname','generation', 'id'));
 1449:                 my $person=$name{'firstname'}.' '.$name{'middlename'}.' '
 1450:                        .$name{'lastname'}.' '.$name{'generation'};
 1451:                 $r->print(" ".&mt("User")."<font color=\"red\"> <i>$uname \($person\) </i></font> \n");
 1452:             } else {
 1453:                 $r->print("<i><font color=\"red\"> ".&mt("ALL")."</i> ".&mt("USERS")."</font> \n");
 1454:             }
 1455:             
 1456:             if ($csec) {$r->print(&mt("Section")."<font color=\"red\"> <i>$csec</i></font>\n")};
 1457:             $r->print("</h4>\n");
 1458: #---------------------------------------------------------------- print table
 1459:             $r->print('<p><table border="2">');
 1460:             $r->print('<tr><th>'.&mt('Parameter Name').'</th>');
 1461:             $r->print('<th>'.&mt('Default Value').'</th>');
 1462:             $r->print('<th>'.&mt('Parameter in Effect').'</th></tr>');
 1463: 
 1464: 	    foreach (sort keys %name) {
 1465:                 $r->print('<tr>');
 1466:                 &print_row($r,$_,\%part,\%name,\%symbp,$mapid,\%default,
 1467:                        \%type,\%display,$defbgone,$defbgtwo,$parmlev,$uname,$udom,$csec);
 1468: #                    $r->print("<tr><td>resource.$part{$_}.$name{$_},$symbp{$mapid}</td></tr>\n");
 1469:             }
 1470:             $r->print("</table></center>");
 1471:         } # end of $parmlev eq general
 1472:     }
 1473:     $r->print('</form></body></html>');
 1474: } # end sub assessparms
 1475: 
 1476: 
 1477: ##################################################
 1478: ##################################################
 1479: 
 1480: =pod
 1481: 
 1482: =item crsenv
 1483: 
 1484: Show and set course data and parameters.  This is a large routine that should
 1485: be simplified and shortened... someday.
 1486: 
 1487: Inputs: $r
 1488: 
 1489: Returns: nothing
 1490: 
 1491: =cut
 1492: 
 1493: ##################################################
 1494: ##################################################
 1495: sub crsenv {
 1496:     my $r=shift;
 1497:     my $setoutput='';
 1498:     my $bodytag=&Apache::loncommon::bodytag(
 1499:                              'Set Course Environment Parameters');
 1500:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs(undef,
 1501: 						    'Edit Course Environment');
 1502:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 1503:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 1504: 
 1505:     #
 1506:     # Go through list of changes
 1507:     foreach (keys %env) {
 1508:         next if ($_!~/^form\.(.+)\_setparmval$/);
 1509:         my $name  = $1;
 1510:         my $value = $env{'form.'.$name.'_value'};
 1511:         if ($name eq 'newp') {
 1512:             $name = $env{'form.newp_name'};
 1513:         }
 1514:         if ($name eq 'url') {
 1515:             $value=~s/^\/res\///;
 1516:             my $bkuptime=time;
 1517:             my @tmp = &Apache::lonnet::get
 1518:                 ('environment',['url'],$dom,$crs);
 1519:             $setoutput.=&mt('Backing up previous URL').': '.
 1520:                 &Apache::lonnet::put
 1521:                 ('environment',
 1522:                  {'top level map backup '.$bkuptime => $tmp[1] },
 1523:                  $dom,$crs).
 1524:                      '<br>';
 1525:         }
 1526:         #
 1527:         # Deal with modified default spreadsheets
 1528:         if ($name =~ /^spreadsheet_default_(classcalc|
 1529:                                             studentcalc|
 1530:                                             assesscalc)$/x) {
 1531:             my $sheettype = $1; 
 1532:             if ($sheettype eq 'classcalc') {
 1533:                 # no need to do anything since viewing the sheet will
 1534:                 # cause it to be updated. 
 1535:             } elsif ($sheettype eq 'studentcalc') {
 1536:                 # expire all the student spreadsheets
 1537:                 &Apache::lonnet::expirespread('','','studentcalc');
 1538:             } else {
 1539:                 # expire all the assessment spreadsheets 
 1540:                 #    this includes non-default spreadsheets, but better to
 1541:                 #    be safe than sorry.
 1542:                 &Apache::lonnet::expirespread('','','assesscalc');
 1543:                 # expire all the student spreadsheets
 1544:                 &Apache::lonnet::expirespread('','','studentcalc');
 1545:             }
 1546:         }
 1547:         #
 1548:         # Deal with the enrollment dates
 1549:         if ($name =~ /^default_enrollment_(start|end)_date$/) {
 1550:             $value=&Apache::lonhtmlcommon::get_date_from_form($name.'_value');
 1551:         }
 1552:         # Get existing cloners
 1553:         my @oldcloner = ();
 1554:         if ($name eq 'cloners') {
 1555:             my %clonenames=&Apache::lonnet::dump('environment',$dom,$crs,'cloners');
 1556:             if ($clonenames{'cloners'} =~ /,/) {
 1557:                 @oldcloner = split/,/,$clonenames{'cloners'};
 1558:             } else {
 1559:                 $oldcloner[0] = $clonenames{'cloners'};
 1560:             }
 1561:         }
 1562:         #
 1563:         # Let the user know we made the changes
 1564:         if ($name && defined($value)) {
 1565:             if ($name eq 'cloners') {
 1566:                 $value =~ s/^,//;
 1567:                 $value =~ s/,$//;
 1568:             }
 1569:             my $put_result = &Apache::lonnet::put('environment',
 1570:                                                   {$name=>$value},$dom,$crs);
 1571:             if ($put_result eq 'ok') {
 1572:                 $setoutput.=&mt('Set').' <b>'.$name.'</b> '.&mt('to').' <b>'.$value.'</b>.<br />';
 1573:                 if ($name eq 'cloners') {
 1574:                     &change_clone($value,\@oldcloner);
 1575:                 }
 1576:                 # Flush the course logs so course description is immediately updated
 1577:                 if ($name eq 'description' && defined($value)) {
 1578:                     &Apache::lonnet::flushcourselogs();
 1579:                 }
 1580:             } else {
 1581:                 $setoutput.=&mt('Unable to set').' <b>'.$name.'</b> '.&mt('to').
 1582: 		    ' <b>'.$value.'</b> '.&mt('due to').' '.$put_result.'.<br />';
 1583:             }
 1584:         }
 1585:     }
 1586: # ------------------------- Re-init course environment entries for this session
 1587: 
 1588:     &Apache::lonnet::coursedescription($env{'request.course.id'});
 1589: 
 1590: # -------------------------------------------------------- Get parameters again
 1591: 
 1592:     my %values=&Apache::lonnet::dump('environment',$dom,$crs);
 1593:     my $SelectStyleFile=&mt('Select Style File');
 1594:     my $SelectSpreadsheetFile=&mt('Select Spreadsheet File');
 1595:     my $output='';
 1596:     if (! exists($values{'con_lost'})) {
 1597:         my %descriptions=
 1598: 	    ('url'            => '<b>'.&mt('Top Level Map').'</b> '.
 1599:                                  '<a href="javascript:openbrowser'.
 1600:                                  "('envform','url','sequence')\">".
 1601:                                  &mt('Select Map').'</a><br /><font color=red> '.
 1602:                                  &mt('Modification may make assessment data inaccessible').
 1603:                                  '</font>',
 1604:              'description'    => '<b>'.&mt('Course Description').'</b>',
 1605:              'courseid'       => '<b>'.&mt('Course ID or number').
 1606:                                  '</b><br />'.
 1607:                                  '('.&mt('internal').', '.&mt('optional').')',
 1608:              'cloners'        => '<b>'.&mt('Users allowed to clone course').'</b><br /><tt>(user:domain,user:domain)</tt><br />'.&mt('Users with active Course Coordinator role in the course automatically have the right to clone it, and can be omitted from list.'),
 1609:              'grading'        => '<b>'.&mt('Grading').'</b><br />'.
 1610:                                  '<tt>"standard", "external", or "spreadsheet"</tt> '.&Apache::loncommon::help_open_topic('GradingOptions'),
 1611:              'default_xml_style' => '<b>'.&mt('Default XML Style File').'</b> '.
 1612:                     '<a href="javascript:openbrowser'.
 1613:                     "('envform','default_xml_style'".
 1614:                     ",'sty')\">$SelectStyleFile</a><br>",
 1615:              'question.email' => '<b>'.&mt('Feedback Addresses for Resource Content Question').
 1616:                                  '</b><br />(<tt>user:domain,'.
 1617:                                  'user:domain(section;section;...;*;...),...</tt>)',
 1618:              'comment.email'  => '<b>'.&mt('Feedback Addresses for Course Content Comments').'</b><br />'.
 1619:                                  '(<tt>user:domain,user:domain(section;section;...;*;...),...</tt>)',
 1620:              'policy.email'   => '<b>'.&mt('Feedback Addresses for Course Policy').'</b>'.
 1621:                                  '<br />(<tt>user:domain,user:domain(section;section;...;*;...),...</tt>)',
 1622:              'hideemptyrows'  => '<b>'.&mt('Hide Empty Rows in Spreadsheets').'</b><br />'.
 1623:                                  '('.&mt('"[_1]" for default hiding','<tt>yes</tt>').')',
 1624:              'pageseparators'  => '<b>'.&mt('Visibly Separate Items on Pages').'</b><br />'.
 1625:                                  '('.&mt('"[_1]" for visible separation','<tt>yes</tt>').', '.
 1626:                                  &mt('changes will not show until next login').')',
 1627:              'student_classlist_view' => '<b>'.&mt('Allow students to view classlist.').'</b>'.&mt('("all":students can view all sections,"section":students can only view their own section.blank or "disabled" prevents student view.'),
 1628: 
 1629:              'plc.roles.denied'=> '<b>'.&mt('Disallow live chatroom use for Roles').
 1630:                                   '</b><br />"<tt>st</tt>": '.
 1631:                                   &mt('student').', "<tt>ta</tt>": '.
 1632:                                   'TA, "<tt>in</tt>": '.
 1633:                                   &mt('instructor').';<br /><tt>'.&mt('role,role,...').'</tt>) '.
 1634: 	       Apache::loncommon::help_open_topic("Course_Disable_Discussion"),
 1635:              'plc.users.denied' => 
 1636:                           '<b>'.&mt('Disallow live chatroom use for Users').'</b><br />'.
 1637:                                  '(<tt>user:domain,user:domain,...</tt>)',
 1638: 
 1639:              'pch.roles.denied'=> '<b>'.&mt('Disallow Resource Discussion for Roles').
 1640:                                   '</b><br />"<tt>st</tt>": '.
 1641:                                   'student, "<tt>ta</tt>": '.
 1642:                                   'TA, "<tt>in</tt>": '.
 1643:                                   'instructor;<br /><tt>role,role,...</tt>) '.
 1644: 	       Apache::loncommon::help_open_topic("Course_Disable_Discussion"),
 1645:              'pch.users.denied' => 
 1646:                           '<b>'.&mt('Disallow Resource Discussion for Users').'</b><br />'.
 1647:                                  '(<tt>user:domain,user:domain,...</tt>)',
 1648:              'spreadsheet_default_classcalc' 
 1649:                  => '<b>'.&mt('Default Course Spreadsheet').'</b> '.
 1650:                     '<a href="javascript:openbrowser'.
 1651:                     "('envform','spreadsheet_default_classcalc'".
 1652:                     ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
 1653:              'spreadsheet_default_studentcalc' 
 1654:                  => '<b>'.&mt('Default Student Spreadsheet').'</b> '.
 1655:                     '<a href="javascript:openbrowser'.
 1656:                     "('envform','spreadsheet_default_calc'".
 1657:                     ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
 1658:              'spreadsheet_default_assesscalc' 
 1659:                  => '<b>'.&mt('Default Assessment Spreadsheet').'</b> '.
 1660:                     '<a href="javascript:openbrowser'.
 1661:                     "('envform','spreadsheet_default_assesscalc'".
 1662:                     ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
 1663: 	     'allow_limited_html_in_feedback'
 1664: 	         => '<b>'.&mt('Allow limited HTML in discussion posts').'</b><br />'.
 1665: 	            '('.&mt('Set value to "[_1]" to allow',"<tt>yes</tt>").')',
 1666:              'allow_discussion_post_editing'
 1667:                  => '<b>'.&mt('Allow users to edit/delete their own discussion posts').'</b><br />'.
 1668:                     '('.&mt('Set value to "[_1]" to allow',"<tt>yes</tt>").')',
 1669: 	     'rndseed'
 1670: 	         => '<b>'.&mt('Randomization algorithm used').'</b> <br />'.
 1671:                     '<font color="red">'.&mt('Modifying this will make problems').' '.
 1672:                     &mt('have different numbers and answers').'</font>',
 1673: 	     'receiptalg'
 1674: 	         => '<b>'.&mt('Receipt algorithm used').'</b> <br />'.
 1675:                     &mt('This controls how receipt numbers are generated.'),
 1676:              'suppress_tries'
 1677:                  => '<b>'.&mt('Suppress number of tries in printing').'</b>('.
 1678:                     &mt('yes if supress').')',
 1679:              'problem_stream_switch'
 1680:                  => '<b>'.&mt('Allow problems to be split over pages').'</b><br />'.
 1681:                     ' ('.&mt('"[_1]" if allowed, anything else if not','<tt>yes</tt>').')',
 1682:              'default_paper_size' 
 1683:                  => '<b>'.&mt('Default paper type').'</b><br />'.
 1684:                     ' ('.&mt('supported types').': Letter [8 1/2x11 in], Legal [8 1/2x14 in],'. 
 1685:                     ' Tabloid [11x17 in], Executive [7 1/2x10 in], A2 [420x594 mm],'. 
 1686:                     ' A3 [297x420 mm], A4 [210x297 mm], A5 [148x210 mm], A6 [105x148 mm])',
 1687:              'anonymous_quiz'
 1688:                  => '<b>'.&mt('Anonymous quiz/exam').'</b><br />'.
 1689:                     ' (<tt><b>'.&mt('yes').'</b> '.&mt('to avoid print students names').' </tt>)',
 1690:              'default_enrollment_start_date' => '<b>'.&mt('Default beginning date when enrolling students').'</b>',
 1691:              'default_enrollment_end_date'   => '<b>'.&mt('Default ending date when enrolling students').'</b>',
 1692:              'nothideprivileged'   => '<b>'.&mt('Privileged users that should not be hidden on staff listings').'</b>'.
 1693:                                  '<br />(<tt>user:domain,user:domain,...</tt>)',
 1694:              'languages' => '<b>'.&mt('Languages used').'</b>',
 1695:              'disable_receipt_display'
 1696:                  => '<b>'.&mt('Disable display of problem receipts').'</b><br />'.
 1697:                     ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
 1698: 	     'disablesigfigs'
 1699: 	         => '<b>'.&mt('Disable checking of Significant Figures').'</b><br />'.
 1700:                     ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
 1701: 	     'tthoptions'
 1702: 	         => '<b>'.&mt('Default set of options to pass to tth/m when converting tex').'</b>'
 1703:              ); 
 1704:         my @Display_Order = ('url','description','courseid','cloners','grading',
 1705:                              'default_xml_style','pageseparators',
 1706:                              'question.email','comment.email','policy.email',
 1707:                              'student_classlist_view',
 1708:                              'plc.roles.denied','plc.users.denied',
 1709:                              'pch.roles.denied','pch.users.denied',
 1710:                              'allow_limited_html_in_feedback',
 1711:                              'allow_discussion_post_editing',
 1712:                              'languages',
 1713: 			     'nothideprivileged',
 1714:                              'rndseed',
 1715:                              'receiptalg',
 1716:                              'problem_stream_switch',
 1717: 			     'suppress_tries',
 1718:                              'default_paper_size',
 1719:                              'disable_receipt_display',
 1720:                              'spreadsheet_default_classcalc',
 1721:                              'spreadsheet_default_studentcalc',
 1722:                              'spreadsheet_default_assesscalc', 
 1723:                              'hideemptyrows',
 1724:                              'default_enrollment_start_date',
 1725:                              'default_enrollment_end_date',
 1726: 			     'tthoptions',
 1727: 			     'disablesigfigs'
 1728:                              );
 1729: 	foreach my $parameter (sort(keys(%values))) {
 1730:             unless ($parameter =~ m/^internal\./) {
 1731:                 if (! $descriptions{$parameter}) {
 1732:                     $descriptions{$parameter}=$parameter;
 1733:                     push(@Display_Order,$parameter);
 1734:                 }
 1735:             }
 1736: 	}
 1737:         foreach my $parameter (@Display_Order) {
 1738:             my $description = $descriptions{$parameter};
 1739:             # onchange is javascript to automatically check the 'Set' button.
 1740:             my $onchange = 'onFocus="javascript:window.document.forms'.
 1741:                 "['envform'].elements['".$parameter."_setparmval']".
 1742:                 '.checked=true;"';
 1743:             $output .= '<tr><td>'.$description.'</td>';
 1744:             if ($parameter =~ /^default_enrollment_(start|end)_date$/) {
 1745:                 $output .= '<td>'.
 1746:                     &Apache::lonhtmlcommon::date_setter('envform',
 1747:                                                         $parameter.'_value',
 1748:                                                         $values{$parameter},
 1749:                                                         $onchange).
 1750:                                                         '</td>';
 1751:             } else {
 1752:                 $output .= '<td>'.
 1753:                     &Apache::lonhtmlcommon::textbox($parameter.'_value',
 1754:                                                     $values{$parameter},
 1755:                                                     40,$onchange).'</td>';
 1756:             }
 1757:             $output .= '<td>'.
 1758:                 &Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
 1759:                 '</td>';
 1760:             $output .= "</tr>\n";
 1761: 	}
 1762:         my $onchange = 'onFocus="javascript:window.document.forms'.
 1763:             '[\'envform\'].elements[\'newp_setparmval\']'.
 1764:             '.checked=true;"';
 1765: 	$output.='<tr><td><i>'.&mt('Create New Environment Variable').'</i><br />'.
 1766: 	    '<input type="text" size=40 name="newp_name" '.
 1767:                 $onchange.' /></td><td>'.
 1768:             '<input type="text" size=40 name="newp_value" '.
 1769:                 $onchange.' /></td><td>'.
 1770: 	    '<input type="checkbox" name="newp_setparmval" /></td></tr>';
 1771:     }
 1772:     my %lt=&Apache::lonlocal::texthash(
 1773: 		    'par'   => 'Parameter',
 1774: 		    'val'   => 'Value',
 1775: 		    'set'   => 'Set',
 1776: 		    'sce'   => 'Set Course Environment'
 1777: 				       );
 1778: 
 1779:     my $Parameter=&mt('Parameter');
 1780:     my $Value=&mt('Value');
 1781:     my $Set=&mt('Set');
 1782:     my $browse_js=&Apache::loncommon::browser_and_searcher_javascript('parmset');
 1783:     my $html=&Apache::lonxml::xmlbegin();
 1784:     $r->print(<<ENDenv);
 1785: $html
 1786: <head>
 1787: <script type="text/javascript" language="Javascript" >
 1788: $browse_js
 1789: </script>
 1790: <title>LON-CAPA Course Environment</title>
 1791: </head>
 1792: $bodytag
 1793: $breadcrumbs
 1794: <form method="post" action="/adm/parmset?action=crsenv" name="envform">
 1795: $setoutput
 1796: <p>
 1797: <table border=2>
 1798: <tr><th>$lt{'par'}</th><th>$lt{'val'}</th><th>$lt{'set'}?</th></tr>
 1799: $output
 1800: </table>
 1801: <input type="submit" name="crsenv" value="$lt{'sce'}">
 1802: </form>
 1803: </body>
 1804: </html>    
 1805: ENDenv
 1806: }
 1807: ##################################################
 1808: # Overview mode
 1809: ##################################################
 1810: my $tableopen;
 1811: 
 1812: sub tablestart {
 1813:     if ($tableopen) {
 1814: 	return '';
 1815:     } else {
 1816: 	$tableopen=1;
 1817: 	return '<table border="2"><tr><th>'.&mt('Parameter').'</th><th>'.
 1818: 	    &mt('Delete').'</th><th>'.&mt('Set to ...').'</th></tr>';
 1819:     }
 1820: }
 1821: 
 1822: sub tableend {
 1823:     if ($tableopen) {
 1824: 	$tableopen=0;
 1825: 	return '</table>';
 1826:     } else {
 1827: 	return'';
 1828:     }
 1829: }
 1830: 
 1831: sub readdata {
 1832:     my ($crs,$dom)=@_;
 1833: # Read coursedata
 1834:     my $resourcedata=&Apache::lonnet::get_courseresdata($crs,$dom);
 1835: # Read userdata
 1836: 
 1837:     my $classlist=&Apache::loncoursedata::get_classlist();
 1838:     foreach (keys %$classlist) {
 1839:         # the following undefs are for 'domain', and 'username' respectively.
 1840:         if ($_=~/^(\w+)\:(\w+)$/) {
 1841: 	    my ($tuname,$tudom)=($1,$2);
 1842: 	    my $useropt=&Apache::lonnet::get_userresdata($tuname,$tudom);
 1843:             foreach my $userkey (keys %{$useropt}) {
 1844: 		if ($userkey=~/^$env{'request.course.id'}/) {
 1845:                     my $newkey=$userkey;
 1846: 		    $newkey=~s/^($env{'request.course.id'}\.)/$1\[useropt\:$tuname\:$tudom\]\./;
 1847: 		    $$resourcedata{$newkey}=$$useropt{$userkey};
 1848: 		}
 1849: 	    }
 1850: 	}
 1851:     }
 1852:     return $resourcedata;
 1853: }
 1854: 
 1855: sub extractuser {
 1856:     my $key=shift;
 1857:     return ($key=~/^$env{'request.course.id'}.\[useropt\:(\w+)\:(\w+)\]\./);
 1858: }
 1859: 
 1860: sub overview {
 1861:     my $r=shift;
 1862:     my $bodytag=&Apache::loncommon::bodytag(
 1863:                              'Set/Modify Course Assessment Parameters');
 1864:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 1865:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 1866:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs(undef,'Overview');
 1867:     my $html=&Apache::lonxml::xmlbegin();
 1868:     $r->print(<<ENDOVER);
 1869: $html
 1870: <head>
 1871: <title>LON-CAPA Course Environment</title>
 1872: </head>
 1873: $bodytag
 1874: $breadcrumbs
 1875: <form method="post" action="/adm/parmset?action=setoverview" name="overviewform">
 1876: <input type="hidden" name="overview" value="1" />
 1877: ENDOVER
 1878: # Setting
 1879: # Set userlevel immediately
 1880: # Do an intermediate store of course level
 1881:     my $olddata=&readdata($crs,$dom);
 1882:     my %newdata=();
 1883:     undef %newdata;
 1884:     my @deldata=();
 1885:     undef @deldata;
 1886:     foreach (keys %env) {
 1887: 	if ($_=~/^form\.([a-z]+)\_(.+)$/) {
 1888: 	    my $cmd=$1;
 1889: 	    my $thiskey=$2;
 1890: 	    my ($tuname,$tudom)=&extractuser($thiskey);
 1891: 	    my $tkey=$thiskey;
 1892:             if ($tuname) {
 1893: 		$tkey=~s/\.\[useropt\:$tuname\:$tudom\]\./\./;
 1894: 	    }
 1895: 	    if ($cmd eq 'set') {
 1896: 		my $data=$env{$_};
 1897: 		if ($$olddata{$thiskey} ne $data) { 
 1898: 		    if ($tuname) {
 1899: 			if (&Apache::lonnet::put('resourcedata',{$tkey=>$data},$tudom,$tuname) eq 'ok') {
 1900: 			    $r->print('<br />'.&mt('Stored modified parameter for').' '.
 1901: 				      &Apache::loncommon::plainname($tuname,$tudom));
 1902: 			} else {
 1903: 			    $r->print('<h2><font color="red">'.
 1904: 				      &mt('Error storing parameters').'</font></h2>');
 1905: 			}
 1906: 			&Apache::lonnet::devalidateuserresdata($tuname,$tudom);
 1907: 		    } else {
 1908: 			$newdata{$thiskey}=$data;
 1909:                     } 
 1910: 		}
 1911: 	    } elsif ($cmd eq 'del') {
 1912: 		if ($tuname) {
 1913: 		    if (&Apache::lonnet::del('resourcedata',[$tkey],$tudom,$tuname) eq 'ok') {
 1914: 			$r->print('<br />'.&mt('Deleted parameter for').' '.&Apache::loncommon::plainname($tuname,$tudom));
 1915: 		    } else {
 1916: 			$r->print('<h2><font color="red">'.
 1917: 				  &mt('Error deleting parameters').'</font></h2>');
 1918: 		    }
 1919: 		    &Apache::lonnet::devalidateuserresdata($tuname,$tudom);
 1920: 		} else {
 1921: 		    push (@deldata,$thiskey);
 1922: 		}
 1923: 	    } elsif ($cmd eq 'datepointer') {
 1924: 		my $data=&Apache::lonhtmlcommon::get_date_from_form($env{$_});
 1925: 		if (defined($data) and $$olddata{$thiskey} ne $data) { 
 1926: 		    if ($tuname) {
 1927: 			if (&Apache::lonnet::put('resourcedata',{$tkey=>$data},$tudom,$tuname) eq 'ok') {
 1928: 			    $r->print('<br />'.&mt('Stored modified date for').' '.&Apache::loncommon::plainname($tuname,$tudom));
 1929: 			} else {
 1930: 			    $r->print('<h2><font color="red">'.
 1931: 				      &mt('Error storing parameters').'</font></h2>');
 1932: 			}
 1933: 			&Apache::lonnet::devalidateuserresdata($tuname,$tudom);
 1934: 		    } else {
 1935: 			$newdata{$thiskey}=$data; 
 1936: 		    }
 1937: 		}
 1938: 	    }
 1939: 	}
 1940:     }
 1941: # Store all course level
 1942:     my $delentries=$#deldata+1;
 1943:     my @newdatakeys=keys %newdata;
 1944:     my $putentries=$#newdatakeys+1;
 1945:     if ($delentries) {
 1946: 	if (&Apache::lonnet::del('resourcedata',\@deldata,$dom,$crs) eq 'ok') {
 1947: 	    $r->print('<h2>'.&mt('Deleted [_1] parameter(s)</h2>',$delentries));
 1948: 	} else {
 1949: 	    $r->print('<h2><font color="red">'.
 1950: 		      &mt('Error deleting parameters').'</font></h2>');
 1951: 	}
 1952: 	&Apache::lonnet::devalidatecourseresdata($crs,$dom);
 1953:     }
 1954:     if ($putentries) {
 1955: 	if (&Apache::lonnet::put('resourcedata',\%newdata,$dom,$crs) eq 'ok') {
 1956: 	    $r->print('<h2>'.&mt('Stored [_1] parameter(s)</h2>',$putentries));
 1957: 	} else {
 1958: 	    $r->print('<h2><font color="red">'.
 1959: 		      &mt('Error storing parameters').'</font></h2>');
 1960: 	}
 1961: 	&Apache::lonnet::devalidatecourseresdata($crs,$dom);
 1962:     }
 1963: # Read modified data
 1964: 
 1965:     my $resourcedata=&readdata($crs,$dom);
 1966: 
 1967: # Start list output
 1968: 
 1969:     my $oldsection='';
 1970:     my $oldrealm='';
 1971:     my $oldpart='';
 1972:     my $pointer=0;
 1973:     $tableopen=0;
 1974:     my $foundkeys=0;
 1975:     foreach my $thiskey (sort keys %{$resourcedata}) {
 1976: 	if ($$resourcedata{$thiskey.'.type'}) {
 1977: 	    my ($middle,$part,$name)=
 1978: 		($thiskey=~/^$env{'request.course.id'}\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
 1979: 	    my $section=&mt('All Students');
 1980: 	    if ($middle=~/^\[(.*)\]/) {
 1981: 		my $issection=$1;
 1982: 		if ($issection=~/^useropt\:(\w+)\:(\w+)/) {
 1983: 		    $section=&mt('User').": ".&Apache::loncommon::plainname($1,$2);
 1984: 		} else {
 1985: 		    $section=&mt('Group/Section').': '.$issection;
 1986: 		}
 1987: 		$middle=~s/^\[(.*)\]//;
 1988: 	    }
 1989: 	    $middle=~s/\.+$//;
 1990: 	    $middle=~s/^\.+//;
 1991: 	    my $realm='<font color="red">'.&mt('All Resources').'</font>';
 1992: 	    if ($middle=~/^(.+)\_\_\_\(all\)$/) {
 1993: 		$realm='<font color="green">'.&mt('Folder/Map').': '.&Apache::lonnet::gettitle($1).' <br /><font color="#aaaaaa" size="-2">('.$1.')</font></font>';
 1994: 	    } elsif ($middle) {
 1995: 		my ($map,$id,$url)=&Apache::lonnet::decode_symb($middle);
 1996: 		$realm='<font color="orange">'.&mt('Resource').': '.&Apache::lonnet::gettitle($middle).' <br /><font color="#aaaaaa" size="-2">('.$url.' in '.$map.' id: '.$id.')</font></font>';
 1997: 	    }
 1998: 	    if ($section ne $oldsection) {
 1999: 		$r->print(&tableend()."\n<hr /><h1>$section</h1>");
 2000: 		$oldsection=$section;
 2001: 		$oldrealm='';
 2002: 	    }
 2003: 	    if ($realm ne $oldrealm) {
 2004: 		$r->print(&tableend()."\n<h2>$realm</h2>");
 2005: 		$oldrealm=$realm;
 2006: 		$oldpart='';
 2007: 	    }
 2008: 	    if ($part ne $oldpart) {
 2009: 		$r->print(&tableend().
 2010: 			  "\n<h3><font color='blue'>".&mt('Part').": $part</font></h3>");
 2011: 		$oldpart=$part;
 2012: 	    }
 2013: #
 2014: # Ready to print
 2015: #
 2016: 	    $r->print(&tablestart().'<tr><td><b>'.$name.
 2017: 		      ':</b></td><td><input type="checkbox" name="del_'.
 2018: 		      $thiskey.'" /></td><td>');
 2019: 	    $foundkeys++;
 2020: 	    if ($$resourcedata{$thiskey.'.type'}=~/^date/) {
 2021: 		my $jskey='key_'.$pointer;
 2022: 		$pointer++;
 2023: 		$r->print(
 2024: 			  &Apache::lonhtmlcommon::date_setter('overviewform',
 2025: 							      $jskey,
 2026: 						      $$resourcedata{$thiskey}).
 2027: '<input type="hidden" name="datepointer_'.$thiskey.'" value="'.$jskey.'" />'
 2028: 			  );
 2029: 	    } else {
 2030: 		$r->print(
 2031: 			  '<input type="text" name="set_'.$thiskey.'" value="'.
 2032: 			  $$resourcedata{$thiskey}.'">');
 2033: 	    }
 2034: 	    $r->print('</td></tr>');
 2035: 	}
 2036:     }
 2037:     
 2038:     $r->print(&tableend().'<p>'.
 2039: 	($foundkeys?'<input type="submit" value="'.&mt('Modify Parameters').'" />':&mt('There are no course or section parameters.')).'</p></form></body></html>');
 2040: }
 2041: 
 2042: ##################################################
 2043: ##################################################
 2044:                                                                                             
 2045: =pod
 2046:                                                                                             
 2047: =item change clone
 2048:                                                                                             
 2049: Modifies the list of courses a user can clone (stored
 2050: in the user's environemnt.db file), called when a
 2051: change is made to the list of users allowed to clone
 2052: a course.
 2053:                                                                                             
 2054: Inputs: $action,$cloner
 2055: where $action is add or drop, and $cloner is identity of 
 2056: user for whom cloning ability is to be changed in course. 
 2057:                                                                                             
 2058: Returns: 
 2059: 
 2060: =cut
 2061:                                                                                             
 2062: ##################################################
 2063: ##################################################
 2064: 
 2065: 
 2066: sub change_clone {
 2067:     my ($clonelist,$oldcloner) = @_;
 2068:     my ($uname,$udom);
 2069:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 2070:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2071:     my $clone_crs = $cnum.':'.$cdom;
 2072:     
 2073:     if ($cnum && $cdom) {
 2074:         my @allowclone = ();
 2075:         if ($clonelist =~ /,/) {
 2076:             @allowclone = split/,/,$clonelist;
 2077:         } else {
 2078:             $allowclone[0] = $clonelist;
 2079:         }
 2080:         foreach my $currclone (@allowclone) {
 2081:             if (!grep/^$currclone$/,@$oldcloner) {
 2082:                 ($uname,$udom) = split/:/,$currclone;
 2083:                 if ($uname && $udom) {
 2084:                     unless (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
 2085:                         my %currclonecrs = &Apache::lonnet::dump('environment',$udom,$uname,'cloneable');
 2086:                         if ($currclonecrs{'cloneable'} !~ /\Q$clone_crs\E/) {
 2087:                             if ($currclonecrs{'cloneable'} eq '') {
 2088:                                 $currclonecrs{'cloneable'} = $clone_crs;
 2089:                             } else {
 2090:                                 $currclonecrs{'cloneable'} .= ','.$clone_crs;
 2091:                             }
 2092:                             &Apache::lonnet::put('environment',\%currclonecrs,$udom,$uname);
 2093:                         }
 2094:                     }
 2095:                 }
 2096:             }
 2097:         }
 2098:         foreach my $oldclone (@$oldcloner) {
 2099:             if (!grep/^$oldclone$/,@allowclone) {
 2100:                 ($uname,$udom) = split/:/,$oldclone;
 2101:                 if ($uname && $udom) {
 2102:                     unless (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
 2103:                         my %currclonecrs = &Apache::lonnet::dump('environment',$udom,$uname,'cloneable');
 2104:                         my %newclonecrs = ();
 2105:                         if ($currclonecrs{'cloneable'} =~ /\Q$clone_crs\E/) {
 2106:                             if ($currclonecrs{'cloneable'} =~ /,/) {
 2107:                                 my @currclonecrs = split/,/,$currclonecrs{'cloneable'};
 2108:                                 foreach (@currclonecrs) {
 2109:                                     unless ($_ eq $clone_crs) {
 2110:                                         $newclonecrs{'cloneable'} .= $_.',';
 2111:                                     }
 2112:                                 }
 2113:                                 $newclonecrs{'cloneable'} =~ s/,$//;
 2114:                             } else {
 2115:                                 $newclonecrs{'cloneable'} = '';
 2116:                             }
 2117:                             &Apache::lonnet::put('environment',\%newclonecrs,$udom,$uname);
 2118:                         }
 2119:                     }
 2120:                 }
 2121:             }
 2122:         }
 2123:     }
 2124: }
 2125: 
 2126: 
 2127: ##################################################
 2128: ##################################################
 2129: 
 2130: =pod
 2131: 
 2132: =item * header
 2133: 
 2134: Output html header for page
 2135: 
 2136: =cut
 2137: 
 2138: ##################################################
 2139: ##################################################
 2140: sub header {
 2141:     my $html=&Apache::lonxml::xmlbegin();
 2142:     my $bodytag=&Apache::loncommon::bodytag('Parameter Manager');
 2143:     my $title = &mt('LON-CAPA Parameter Manager');
 2144:     return(<<ENDHEAD);
 2145: $html
 2146: <head>
 2147: <title>$title</title>
 2148: </head>
 2149: $bodytag
 2150: ENDHEAD
 2151: }
 2152: ##################################################
 2153: ##################################################
 2154: sub print_main_menu {
 2155:     my ($r,$parm_permission)=@_;
 2156:     #
 2157:     $r->print(<<ENDMAINFORMHEAD);
 2158: <form method="post" enctype="multipart/form-data"
 2159:       action="/adm/parmset" name="studentform">
 2160: ENDMAINFORMHEAD
 2161: #
 2162:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 2163:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2164:     my @menu =
 2165:         (
 2166:           { text => 'Set Course Environment Parameters',
 2167: 	    action => 'crsenv',
 2168:             permission => $parm_permission,
 2169:             },
 2170:           { text => 'Set/Modify Course Assessment Parameters - Helper Mode',
 2171:             url => '/adm/helper/parameter.helper',
 2172:             permission => $parm_permission,
 2173:             },
 2174:           { text => 'Modify Course Assessment Parameters - Overview Mode',
 2175:             action => 'setoverview',
 2176:             permission => $parm_permission,
 2177:             },
 2178:           { text => 'Set/Modify Course Assessment Parameters - Table Mode',
 2179:             action => 'settable',
 2180:             permission => $parm_permission,
 2181:             help => 'Cascading_Parameters',
 2182:             },
 2183: #          { text => 'Set Parameter Default Preferences',
 2184: #            help => 'Course_View_Class_List',
 2185: #            action => 'setdefaults',
 2186: #            permission => $parm_permission,
 2187: #            },
 2188:           );
 2189:     my $menu_html = '';
 2190:     foreach my $menu_item (@menu) {
 2191:         next if (! $menu_item->{'permission'});
 2192:         $menu_html.='<p>';
 2193:         $menu_html.='<font size="+1">';
 2194:         if (exists($menu_item->{'url'})) {
 2195:             $menu_html.=qq{<a href="$menu_item->{'url'}">};
 2196:         } else {
 2197:             $menu_html.=
 2198:                 qq{<a href="/adm/parmset?action=$menu_item->{'action'}">};
 2199:         }
 2200:         $menu_html.= &mt($menu_item->{'text'}).'</a></font>';
 2201:         if (exists($menu_item->{'help'})) {
 2202:             $menu_html.=
 2203:                 &Apache::loncommon::help_open_topic($menu_item->{'help'});
 2204:         }
 2205:         $menu_html.='</p>'.$/;
 2206:     }
 2207:     $r->print($menu_html);
 2208:     return;
 2209: }
 2210: 
 2211: 
 2212: 
 2213: 
 2214: ##################################################
 2215: ##################################################
 2216: 
 2217: =pod
 2218: 
 2219: =item * handler
 2220: 
 2221: Main handler.  Calls &assessparms and &crsenv subroutines.
 2222: 
 2223: =cut
 2224: ##################################################
 2225: ##################################################
 2226:     use Data::Dumper;
 2227: sub handler {
 2228:     my $r=shift;
 2229: 
 2230:     if ($r->header_only) {
 2231: 	&Apache::loncommon::content_type($r,'text/html');
 2232: 	$r->send_http_header;
 2233: 	return OK;
 2234:     }
 2235:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 2236: 					    ['action','state',
 2237:                                              'pres_marker',
 2238:                                              'pres_value',
 2239:                                              'pres_type',
 2240:                                              'udom','uname']);
 2241: 
 2242: 
 2243:     &Apache::lonhtmlcommon::clear_breadcrumbs();
 2244:     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/parmset",
 2245: 					    text=>"Parameter Manager",
 2246: 					    faq=>10,
 2247: 					    bug=>'Instructor Interface'});
 2248: 
 2249: # ----------------------------------------------------- Needs to be in a course
 2250:     my $parm_permission =
 2251: 	(&Apache::lonnet::allowed('opa',$env{'request.course.id'}) ||
 2252: 	 &Apache::lonnet::allowed('opa',$env{'request.course.id'}.'/'.
 2253: 				  $env{'request.course.sec'}));
 2254:     if ($env{'request.course.id'} &&  $parm_permission) {
 2255: 
 2256:         # Start Page
 2257:         &Apache::loncommon::content_type($r,'text/html');
 2258:         $r->send_http_header;
 2259: 
 2260: 
 2261:         # id numbers can change on re-ordering of folders
 2262: 
 2263:         &resetsymbcache();
 2264: 
 2265:         #
 2266:         # Main switch on form.action and form.state, as appropriate
 2267:         #
 2268:         # Check first if coming from someone else headed directly for
 2269:         #  the table mode
 2270:         if ((($env{'form.command'} eq 'set') && ($env{'form.url'})
 2271: 	     && (!$env{'form.dis'})) || ($env{'form.symb'})) {
 2272: 	    &assessparms($r);
 2273: 
 2274:         } elsif (! exists($env{'form.action'})) {
 2275:             $r->print(&header());
 2276:             $r->print(&Apache::lonhtmlcommon::breadcrumbs(undef,
 2277: 							 'Parameter Manager'));
 2278:             &print_main_menu($r,$parm_permission);
 2279:         } elsif ($env{'form.action'} eq 'crsenv' && $parm_permission) {
 2280:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=crsenv',
 2281: 						    text=>"Course Environment"});
 2282:             $r->print(&Apache::lonhtmlcommon::breadcrumbs(undef,
 2283: 						   'Edit Course Environment'));
 2284:             &crsenv($r); 
 2285:         } elsif ($env{'form.action'} eq 'setoverview' && $parm_permission) {
 2286:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setoverview',
 2287: 						    text=>"Overview Mode"});
 2288: 	    &overview($r);
 2289:         } elsif ($env{'form.action'} eq 'settable' && $parm_permission) {
 2290:             &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
 2291: 						    text=>"Table Mode",
 2292: 						    help => 'Course_Setting_Parameters'});
 2293: 	    &assessparms($r);
 2294:         }
 2295:         
 2296:     } else {
 2297: # ----------------------------- Not in a course, or not allowed to modify parms
 2298: 	$env{'user.error.msg'}=
 2299: 	    "/adm/parmset:opa:0:0:Cannot modify assessment parameters";
 2300: 	return HTTP_NOT_ACCEPTABLE;
 2301:     }
 2302:     return OK;
 2303: }
 2304: 
 2305: 1;
 2306: __END__
 2307: 
 2308: =pod
 2309: 
 2310: =back
 2311: 
 2312: =cut
 2313: 
 2314: 
 2315: 

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