Annotation of loncom/homework/grades.pm, revision 1.127

1.17      albertel    1: # The LearningOnline Network with CAPA
1.13      albertel    2: # The LON-CAPA Grading handler
1.17      albertel    3: #
1.127   ! ng          4: # $Id: grades.pm,v 1.126 2003/07/28 18:04:39 ng Exp $
1.17      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
1.13      albertel   28: # 2/9,2/13 Guy Albertelli
1.8       www        29: # 6/8 Gerd Kortemeyer
1.13      albertel   30: # 7/26 H.K. Ng
1.14      www        31: # 8/20 Gerd Kortemeyer
1.30      ng         32: # Year 2002
1.44      ng         33: # June-August H.K. Ng
1.68      ng         34: # Year 2003
1.71      ng         35: # February, March H.K. Ng
1.125     ng         36: # July, H. K. Ng
1.30      ng         37: #
1.1       albertel   38: 
                     39: package Apache::grades;
                     40: use strict;
                     41: use Apache::style;
                     42: use Apache::lonxml;
                     43: use Apache::lonnet;
1.3       albertel   44: use Apache::loncommon;
1.112     ng         45: use Apache::lonhtmlcommon;
1.68      ng         46: use Apache::lonnavmaps;
1.1       albertel   47: use Apache::lonhomework;
1.55      matthew    48: use Apache::loncoursedata;
1.38      ng         49: use Apache::lonmsg qw(:user_normal_msg);
1.1       albertel   50: use Apache::Constants qw(:common);
1.87      www        51: use String::Similarity;
                     52: 
                     53: my %oldessays=();
1.103     albertel   54: my %perm=();
1.1       albertel   55: 
1.68      ng         56: # ----- These first few routines are general use routines.----
1.44      ng         57: #
                     58: # --- Retrieve the parts that matches stores_\d+ from the metadata file.---
                     59: sub getpartlist {
                     60:     my ($url) = @_;
                     61:     my @parts =();
                     62:     my (@metakeys) = split(/,/,&Apache::lonnet::metadata($url,'keys'));
                     63:     foreach my $key (@metakeys) {
1.54      albertel   64: 	if ( $key =~ m/stores_(\w+)_.*/) {
1.44      ng         65: 	    push(@parts,$key);
1.41      ng         66: 	}
1.16      albertel   67:     }
1.44      ng         68:     return @parts;
1.2       albertel   69: }
                     70: 
1.44      ng         71: # --- Get the symbolic name of a problem and the url
                     72: sub get_symb_and_url {
                     73:     my ($request) = @_;
                     74:     (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
1.41      ng         75:     my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
1.44      ng         76:     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
                     77:     return ($symb,$url);
1.32      ng         78: }
                     79: 
1.44      ng         80: # --- Retrieve the fullname for a user. Return lastname, first middle ---
                     81: # --- Generation is attached next to the lastname if it exists. ---
1.34      ng         82: sub get_fullname {
1.39      ng         83:     my ($uname,$udom) = @_;
1.34      ng         84:     my %name=&Apache::lonnet::get('environment', ['lastname','generation',
1.55      matthew    85: 						  'firstname','middlename'],
                     86:                                   $udom,$uname);
1.34      ng         87:     my $fullname;
                     88:     my ($tmp) = keys(%name);
                     89:     if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
1.55      matthew    90:         $fullname = &Apache::loncoursedata::ProcessFullName
                     91:             (@name{qw/lastname generation firstname middlename/});
                     92:     } else {
                     93:         &Apache::lonnet::logthis('grades.pm: no name data for '.$uname.
                     94:                                  '@'.$udom.':'.$tmp);
1.34      ng         95:     }
                     96:     return $fullname;
                     97: }
                     98: 
1.44      ng         99: #--- Get the partlist and the response type for a given problem. ---
                    100: #--- Indicate if a response type is coded handgraded or not. ---
1.39      ng        101: sub response_type {
1.125     ng        102:     my ($url,$symb) = shift;
                    103:     $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url))) if ($symb eq '');
1.41      ng        104:     my $allkeys = &Apache::lonnet::metadata($url,'keys');
                    105:     my %seen = ();
                    106:     my (@partlist,%handgrade);
                    107:     foreach (split(/,/,&Apache::lonnet::metadata($url,'packages'))) {
1.54      albertel  108: 	if (/^\w+response_\w+.*/) {
1.41      ng        109: 	    my ($responsetype,$part) = split(/_/,$_,2);
                    110: 	    my ($partid,$respid) = split(/_/,$part);
1.118     ng        111: 	    $responsetype =~ s/response$//; # make it compatible w/ navmaps - should move to that!!
1.127   ! ng        112: 	    my ($value) = &Apache::lonnet::EXT('resource.'.$part.'.handgrade',$symb);
        !           113: 	    $handgrade{$part} = $responsetype.':'.($value eq 'yes' ? 'yes' : 'no'); 
1.41      ng        114: 	    next if ($seen{$partid} > 0);
                    115: 	    $seen{$partid}++;
                    116: 	    push @partlist,$partid;
                    117: 	}
                    118:     }
                    119:     return \@partlist,\%handgrade;
1.39      ng        120: }
                    121: 
1.118     ng        122: #--- Show resource title
                    123: #--- and parts and response type
                    124: sub showResourceInfo {
                    125:     my ($url,$probTitle) = @_;
                    126:     my $result ='<table border="0">'.
                    127: 	'<tr><td colspan=3><font size=+1><b>Current Resource: </b>'.$probTitle.'</font></td></tr>'."\n";
                    128:     my ($partlist,$handgrade) = &response_type($url);
1.126     ng        129:     my %resptype = ();
1.122     ng        130:     my $hdgrade='no';
1.118     ng        131:     for (sort keys(%$handgrade)) {
                    132: 	my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
1.122     ng        133: 	my $partID = (split(/_/))[0];
                    134: 	$resptype{$partID} = $responsetype;
1.118     ng        135: 	$hdgrade = $handgrade if ($handgrade eq 'yes');
1.122     ng        136: 	$result.='<tr><td><b>Part </b>'.$partID.'</td>'.
1.118     ng        137: 	    '<td><b>Type: </b>'.$responsetype.'</td></tr>';
                    138: #	    '<td><b>Handgrade: </b>'.$handgrade.'</td></tr>';
                    139:     }
                    140:     $result.='</table>'."\n";
1.122     ng        141:     return $result,\%resptype,$hdgrade,$partlist,$handgrade;
1.118     ng        142: }
                    143: 
                    144: #--- Clean response type for display
                    145: #--- Currently filters option response type only.
                    146: sub cleanRecord {
1.122     ng        147:     my ($answer,$response,$symb) = @_;
1.118     ng        148:     if ($response eq 'option') {
                    149: 	my (@IDs,@ans);
                    150: 	foreach (split(/\&/,&Apache::lonnet::unescape($answer))) {
                    151: 	    my ($optionID,$ans) = split(/=/);
                    152: 	    push @IDs,$optionID.'</font>';
                    153: 	    push @ans,$ans;
                    154: 	}
                    155: 	my $grayFont = '<font color="#999999">';
1.126     ng        156: 	return '<blockquote><table border="1">'.
1.118     ng        157: 	    '<tr valign="top"><td>Answer</td><td>'.
                    158: 	    (join '</td><td>',@ans).'</td></tr>'.
                    159: 	    '<tr valign="top"><td>'.$grayFont.'Option ID</font></td><td>'.$grayFont.
                    160: 	    (join '</td><td>'.$grayFont,@IDs).'</font></td></tr>'.
1.126     ng        161: 	    '</table></blockquote>';
1.118     ng        162:     }
1.122     ng        163:     if ($response eq 'essay') {
                    164: 	if (! exists ($ENV{'form.'.$symb})) {
                    165: 	    my (%keyhash) = &Apache::lonnet::dump('nohist_handgrade',
                    166: 						  $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                    167: 						  $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
                    168: 
                    169: 	    my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
                    170: 	    $ENV{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
                    171: 	    $ENV{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
                    172: 	    $ENV{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
                    173: 	    $ENV{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
                    174: 	    $ENV{'form.'.$symb} = 1; # so that we don't have to read it from disk for multiple sub of the same prob.
                    175: 	}
1.126     ng        176: 	return '<br /><br /><blockquote>'.&keywords_highlight($answer).'</blockquote>';
1.122     ng        177:     }
1.118     ng        178:     return $answer;
                    179: }
                    180: 
                    181: #-- A couple of common js functions
                    182: sub commonJSfunctions {
                    183:     my $request = shift;
                    184:     $request->print(<<COMMONJSFUNCTIONS);
                    185: <script type="text/javascript" language="javascript">
                    186:     function radioSelection(radioButton) {
                    187: 	var selection=null;
                    188: 	if (radioButton.length > 1) {
                    189: 	    for (var i=0; i<radioButton.length; i++) {
                    190: 		if (radioButton[i].checked) {
                    191: 		    return radioButton[i].value;
                    192: 		}
                    193: 	    }
                    194: 	} else {
                    195: 	    if (radioButton.checked) return radioButton.value;
                    196: 	}
                    197: 	return selection;
                    198:     }
                    199: 
                    200:     function pullDownSelection(selectOne) {
                    201: 	var selection="";
                    202: 	if (selectOne.length > 1) {
                    203: 	    for (var i=0; i<selectOne.length; i++) {
                    204: 		if (selectOne[i].selected) {
                    205: 		    return selectOne[i].value;
                    206: 		}
                    207: 	    }
                    208: 	} else {
                    209: 	    if (selectOne.selected) return selectOne.value;
                    210: 	}
                    211:     }
                    212: </script>
                    213: COMMONJSFUNCTIONS
                    214: }
                    215: 
1.44      ng        216: #--- Dumps the class list with usernames,list of sections,
                    217: #--- section, ids and fullnames for each user.
                    218: sub getclasslist {
1.76      ng        219:     my ($getsec,$filterlist) = @_;
1.121     ng        220:     $getsec = $getsec eq '' ? 'all' : $getsec;
1.56      matthew   221:     my $classlist=&Apache::loncoursedata::get_classlist();
1.49      albertel  222:     # Bail out if we were unable to get the classlist
1.56      matthew   223:     return if (! defined($classlist));
                    224:     #
                    225:     my %sections;
                    226:     my %fullnames;
                    227:     foreach (keys(%$classlist)) {
                    228:         # the following undefs are for 'domain', and 'username' respectively.
                    229: 	my (undef,undef,$end,$start,$id,$section,$fullname,$status)=
                    230:             @{$classlist->{$_}};
1.76      ng        231: 	# filter students according to status selected
1.112     ng        232: 	if ($filterlist && $ENV{'form.Status'} ne 'Any') {
                    233: 	    if ($ENV{'form.Status'} ne $status) {
1.76      ng        234: 		delete ($classlist->{$_});
                    235: 		next;
                    236: 	    }
                    237: 	}
1.44      ng        238: 	$section = ($section ne '' ? $section : 'no');
1.106     albertel  239: 	if (&canview($section)) {
1.103     albertel  240: 	    if ($getsec eq 'all' || $getsec eq $section) {
                    241: 		$sections{$section}++;
                    242: 		$fullnames{$_}=$fullname;
                    243: 	    } else {
                    244: 		delete($classlist->{$_});
                    245: 	    }
                    246: 	} else {
                    247: 	    delete($classlist->{$_});
                    248: 	}
1.44      ng        249:     }
                    250:     my %seen = ();
1.56      matthew   251:     my @sections = sort(keys(%sections));
                    252:     return ($classlist,\@sections,\%fullnames);
1.44      ng        253: }
                    254: 
1.103     albertel  255: sub canmodify {
                    256:     my ($sec)=@_;
                    257:     if ($perm{'mgr'}) {
                    258: 	if (!defined($perm{'mgr_section'})) {
                    259: 	    # can modify whole class
                    260: 	    return 1;
                    261: 	} else {
                    262: 	    if ($sec eq $perm{'mgr_section'}) {
                    263: 		#can modify the requested section
                    264: 		return 1;
                    265: 	    } else {
                    266: 		# can't modify the request section
                    267: 		return 0;
                    268: 	    }
                    269: 	}
                    270:     }
                    271:     #can't modify
                    272:     return 0;
                    273: }
                    274: 
                    275: sub canview {
                    276:     my ($sec)=@_;
                    277:     if ($perm{'vgr'}) {
                    278: 	if (!defined($perm{'vgr_section'})) {
                    279: 	    # can modify whole class
                    280: 	    return 1;
                    281: 	} else {
                    282: 	    if ($sec eq $perm{'vgr_section'}) {
                    283: 		#can modify the requested section
                    284: 		return 1;
                    285: 	    } else {
                    286: 		# can't modify the request section
                    287: 		return 0;
                    288: 	    }
                    289: 	}
                    290:     }
                    291:     #can't modify
                    292:     return 0;
                    293: }
                    294: 
1.44      ng        295: #--- Retrieve the grade status of a student for all the parts
                    296: sub student_gradeStatus {
                    297:     my ($url,$symb,$udom,$uname,$partlist) = @_;
                    298:     my %record     = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
                    299:     my %partstatus = ();
                    300:     foreach (@$partlist) {
                    301: 	my ($status,$foo)    = split(/_/,$record{"resource.$_.solved"},2);
                    302: 	$status              = 'nothing' if ($status eq '');
                    303: 	$partstatus{$_}      = $status;
                    304: 	my $subkey           = "resource.$_.submitted_by";
                    305: 	$partstatus{$subkey} = $record{$subkey} if ($record{$subkey} ne '');
                    306:     }
                    307:     return %partstatus;
                    308: }
                    309: 
1.45      ng        310: # hidden form and javascript that calls the form
                    311: # Use by verifyscript and viewgrades
                    312: # Shows a student's view of problem and submission
                    313: sub jscriptNform {
                    314:     my ($url,$symb) = @_;
                    315:     my $jscript='<script type="text/javascript" language="javascript">'."\n".
                    316: 	'    function viewOneStudent(user,domain) {'."\n".
                    317: 	'	document.onestudent.student.value = user;'."\n".
                    318: 	'	document.onestudent.userdom.value = domain;'."\n".
                    319: 	'	document.onestudent.submit();'."\n".
                    320: 	'    }'."\n".
                    321: 	'</script>'."\n";
                    322:     $jscript.= '<form action="/adm/grades" method="post" name="onestudent">'."\n".
                    323: 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
                    324: 	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
1.77      ng        325: 	'<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n".
1.72      ng        326: 	'<input type="hidden" name="probTitle" value="'.$ENV{'form.probTitle'}.'" />'."\n".
1.125     ng        327: 	'<input type="hidden" name="Status"  value="'.$ENV{'form.Status'}.'" />'."\n".
1.45      ng        328: 	'<input type="hidden" name="command" value="submission" />'."\n".
                    329: 	'<input type="hidden" name="student" value="" />'."\n".
                    330: 	'<input type="hidden" name="userdom" value="" />'."\n".
                    331: 	'</form>'."\n";
                    332:     return $jscript;
                    333: }
1.39      ng        334: 
1.44      ng        335: #------------------ End of general use routines --------------------
1.87      www       336: 
                    337: #
                    338: # Find most similar essay
                    339: #
                    340: 
                    341: sub most_similar {
                    342:     my ($uname,$udom,$uessay)=@_;
                    343: 
                    344: # ignore spaces and punctuation
                    345: 
                    346:     $uessay=~s/\W+/ /gs;
                    347: 
                    348: # these will be returned. Do not care if not at least 50 percent similar
1.88      www       349:     my $limit=0.6;
1.87      www       350:     my $sname='';
                    351:     my $sdom='';
                    352:     my $scrsid='';
                    353:     my $sessay='';
                    354: # go through all essays ...
                    355:     foreach my $tkey (keys %oldessays) {
                    356: 	my ($tname,$tdom,$tcrsid)=split(/\./,$tkey);
                    357: # ... except the same student
1.88      www       358:         if (($tname ne $uname) || ($tdom ne $udom)) {
1.87      www       359: 	    my $tessay=$oldessays{$tkey};
                    360:             $tessay=~s/\W+/ /gs;
                    361: # String similarity gives up if not even limit
1.88      www       362:             my $tsimilar=&String::Similarity::similarity($uessay,$tessay,$limit);
1.87      www       363: # Found one
                    364:             if ($tsimilar>$limit) {
                    365: 		$limit=$tsimilar;
                    366:                 $sname=$tname;
1.88      www       367:                 $sdom=$tdom;
1.87      www       368:                 $scrsid=$tcrsid;
                    369:                 $sessay=$oldessays{$tkey};
                    370:             }
                    371:         } 
                    372:     }
1.88      www       373:     if ($limit>0.6) {
1.87      www       374:        return ($sname,$sdom,$scrsid,$sessay,$limit);
                    375:     } else {
                    376:        return ('','','','',0);
                    377:     }
                    378: }
                    379: 
1.44      ng        380: #-------------------------------------------------------------------
                    381: 
                    382: #------------------------------------ Receipt Verification Routines
1.45      ng        383: #
1.44      ng        384: #--- Check whether a receipt number is valid.---
                    385: sub verifyreceipt {
                    386:     my $request  = shift;
                    387: 
                    388:     my $courseid = $ENV{'request.course.id'};
                    389:     my $receipt  = unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).'-'.
                    390: 	$ENV{'form.receipt'};
                    391:     $receipt     =~ s/[^\-\d]//g;
                    392:     my $url      = $ENV{'form.url'};
                    393:     my $symb     = $ENV{'form.symb'};
                    394:     unless ($symb) {
                    395: 	$symb    = &Apache::lonnet::symbread($url);
                    396:     }
                    397: 
1.45      ng        398:     my $title.='<h3><font color="#339933">Verifying Submission Receipt '.
                    399: 	$receipt.'</h3></font>'."\n".
1.118     ng        400: 	'<font size=+1><b>Resource: </b>'.$ENV{'form.probTitle'}.'</font><br><br>'."\n";
1.44      ng        401: 
                    402:     my ($string,$contents,$matches) = ('','',0);
1.56      matthew   403:     my (undef,undef,$fullname) = &getclasslist('all','0');
                    404: 
1.53      albertel  405:     foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
1.44      ng        406: 	my ($uname,$udom)=split(/\:/);
                    407: 	if ($receipt eq 
                    408: 	    &Apache::lonnet::ireceipt($uname,$udom,$courseid,$symb)) {
                    409: 	    $contents.='<tr bgcolor="#ffffe6"><td>&nbsp;'."\n".
                    410: 		'<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
                    411: 		'\')"; TARGET=_self>'.$$fullname{$_}.'</a>&nbsp;</td>'."\n".
                    412: 		'<td>&nbsp;'.$uname.'&nbsp;</td>'.
                    413: 		'<td>&nbsp;'.$udom.'&nbsp;</td></tr>'."\n";
                    414: 	    
                    415: 	    $matches++;
                    416: 	}
                    417:     }
                    418:     if ($matches == 0) {
                    419: 	$string = $title.'No match found for the above receipt.';
                    420:     } else {
1.45      ng        421: 	$string = &jscriptNform($url,$symb).$title.
1.44      ng        422: 	    'The above receipt matches the following student'.
                    423: 	    ($matches <= 1 ? '.' : 's.')."\n".
                    424: 	    '<table border="0"><tr><td bgcolor="#777777">'."\n".
                    425: 	    '<table border="0"><tr bgcolor="#e6ffff">'."\n".
                    426: 	    '<td><b>&nbsp;Fullname&nbsp;</b></td>'."\n".
                    427: 	    '<td><b>&nbsp;Username&nbsp;</b></td>'."\n".
                    428: 	    '<td><b>&nbsp;Domain&nbsp;</b></td></tr>'."\n".
                    429: 	    $contents.
                    430: 	    '</table></td></tr></table>'."\n";
                    431:     }
1.50      albertel  432:     return $string.&show_grading_menu_form($symb,$url);
1.44      ng        433: }
                    434: 
                    435: #--- This is called by a number of programs.
                    436: #--- Called from the Grading Menu - View/Grade an individual student
                    437: #--- Also called directly when one clicks on the subm button 
                    438: #    on the problem page.
1.30      ng        439: sub listStudents {
1.41      ng        440:     my ($request) = shift;
1.49      albertel  441: 
1.72      ng        442:     my ($symb,$url) = &get_symb_and_url($request);
1.49      albertel  443:     my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
                    444:     my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
                    445:     my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
                    446:     my $submitonly= $ENV{'form.submitonly'} eq '' ? 'all' : $ENV{'form.submitonly'};
                    447: 
1.118     ng        448:     my $viewgrade = $ENV{'form.showgrading'} eq 'yes' ? 'View/Grade/Regrade' : 'View';
1.76      ng        449:     $ENV{'form.probTitle'} = $ENV{'form.probTitle'} eq '' ? 
                    450: 	&Apache::lonnet::gettitle($symb) : $ENV{'form.probTitle'};
1.49      albertel  451: 
1.118     ng        452:     my $result='<h3><font color="#339933">&nbsp;'.$viewgrade.
                    453: 	' Submissions for a Student or a Group of Students</font></h3>';
                    454: 
1.122     ng        455:     my ($table,undef,$hdgrade,$partlist,$handgrade) = &showResourceInfo($url,$ENV{'form.probTitle'});
1.118     ng        456:     $result.=$table;
1.49      albertel  457: 
1.45      ng        458:     $request->print(<<LISTJAVASCRIPT);
                    459: <script type="text/javascript" language="javascript">
1.110     ng        460:     function checkSelect(checkBox) {
                    461: 	var ctr=0;
                    462: 	var sense="";
                    463: 	if (checkBox.length > 1) {
                    464: 	    for (var i=0; i<checkBox.length; i++) {
                    465: 		if (checkBox[i].checked) {
                    466: 		    ctr++;
                    467: 		}
                    468: 	    }
                    469: 	    sense = "a student or group of students";
                    470: 	} else {
                    471: 	    if (checkBox.checked) {
                    472: 		ctr = 1;
                    473: 	    }
                    474: 	    sense = "the student";
                    475: 	}
                    476: 	if (ctr == 0) {
1.126     ng        477: 	    alert("Please select "+sense+" before clicking on the Next button.");
1.110     ng        478: 	    return false;
                    479: 	}
                    480: 	document.gradesub.submit();
                    481:     }
                    482: 
                    483:     function reLoadList(formname) {
1.112     ng        484: 	if (formname.saveStatusOld.value == pullDownSelection(formname.Status)) {return;}
1.110     ng        485: 	formname.command.value = 'submission';
                    486: 	formname.submit();
                    487:     }
1.45      ng        488: </script>
                    489: LISTJAVASCRIPT
                    490: 
1.118     ng        491:     &commonJSfunctions($request);
1.41      ng        492:     $request->print($result);
1.39      ng        493: 
1.118     ng        494:     my $checkhdgrade = ($ENV{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1 ) ? 'checked' : '';
1.119     ng        495:     my $checklastsub = $checkhdgrade eq '' ? 'checked' : '';
1.45      ng        496:     my $gradeTable='<form action="/adm/grades" method="post" name="gradesub">'."\n".
1.116     ng        497: 	'&nbsp;<b>View Problem Text: </b><input type="radio" name="vProb" value="no" checked /> no '."\n".
1.80      ng        498: 	'<input type="radio" name="vProb" value="yes" /> one student '."\n".
1.58      albertel  499: 	'<input type="radio" name="vProb" value="all" /> all students <br />'."\n".
1.49      albertel  500: 	'&nbsp;<b>Submissions: </b>'."\n";
1.118     ng        501:     if ($ENV{'form.handgrade'} eq 'yes' && scalar(@$partlist) > 1) {
                    502: 	$gradeTable.='<input type="radio" name="lastSub" value="hdgrade" '.$checkhdgrade.' /> essay part only'."\n";
1.49      albertel  503:     }
1.110     ng        504: 
1.112     ng        505:     my $saveStatus = $ENV{'form.Status'} eq '' ? 'Active' : $ENV{'form.Status'};
                    506:     $ENV{'form.Status'} = $saveStatus;
1.110     ng        507: 
1.49      albertel  508:     $gradeTable.='<input type="radio" name="lastSub" value="lastonly" '.$checklastsub.' /> last sub only'."\n".
1.45      ng        509: 	'<input type="radio" name="lastSub" value="last" /> last sub & parts info'."\n".
1.122     ng        510: 	'<input type="radio" name="lastSub" value="datesub" /> by dates and submissions'."\n".
1.45      ng        511: 	'<input type="radio" name="lastSub" value="all" /> all details'."\n".
                    512: 	'<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
                    513: 	'<input type="hidden" name="submitonly"  value="'.$submitonly.'" />'."\n".
1.65      albertel  514: 	'<input type="hidden" name="handgrade"   value="'.$ENV{'form.handgrade'}.'" /><br />'."\n".
1.64      albertel  515: 	'<input type="hidden" name="showgrading" value="'.$ENV{'form.showgrading'}.'" /><br />'."\n".
1.77      ng        516: 	'<input type="hidden" name="saveState"   value="'.$ENV{'form.saveState'}.'" />'."\n".
1.72      ng        517: 	'<input type="hidden" name="probTitle"   value="'.$ENV{'form.probTitle'}.'" />'."\n".
1.48      albertel  518: 	'<input type="hidden" name="url"  value="'.$url.'" />'."\n".
                    519: 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
1.110     ng        520: 	'<input type="hidden" name="saveStatusOld" value="'.$saveStatus.'" />'."\n";
                    521: 
1.124     ng        522:     if (exists($ENV{'form.gradingMenu'}) && exists($ENV{'form.Status'})) {
                    523: 	$gradeTable.='<input type="hidden" name="Status"   value="'.$ENV{'form.Status'}.'" />'."\n";
                    524:     } else {
                    525: 	$gradeTable.='<b>Student Status:</b> '.
                    526: 	    &Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,'javascript:reLoadList(this.form);').'<br />';
                    527:     }
1.112     ng        528: 
1.126     ng        529:     $gradeTable.='To '.lc($viewgrade).' a submission or a group of submissions, click on the check box(es) '.
                    530: 	'next to the student\'s name(s). Then click on the Next button.<br />'."\n".
1.110     ng        531: 	'<input type="hidden" name="command" value="processGroup" />'."\n";
                    532:     $gradeTable.='<input type="button" '."\n".
1.45      ng        533: 	'onClick="javascript:checkSelect(this.form.stuinfo);" '."\n".
1.126     ng        534: 	'value="Next->" />'."\n";
1.110     ng        535: 
                    536:     my (undef, undef, $fullname) = &getclasslist($getsec,'1');  
1.45      ng        537:     $gradeTable.='<table border="0"><tr><td bgcolor="#777777">'.
1.110     ng        538: 	'<table border="0"><tr bgcolor="#e6ffff">';
                    539:     my $loop = 0;
                    540:     while ($loop < 2) {
1.126     ng        541: 	$gradeTable.='<td><b>&nbsp;No.</b>&nbsp;</td><td><b>&nbsp;Select&nbsp;</b></td>'.
                    542: 	    '<td><b>&nbsp;Fullname&nbsp;</b>'.
1.110     ng        543: 	    '<font color="#999999">(Username)</font>&nbsp;</td>';
                    544: 	if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
                    545: 	    foreach (sort(@$partlist)) {
                    546: 		$gradeTable.='<td><b>&nbsp;Part '.(split(/_/))[0].' Status&nbsp;</b></td>';
                    547: 	    }
                    548: 	}
                    549: 	$loop++;
1.126     ng        550: #	$gradeTable.='<td></td>' if ($loop%2 ==1);
1.41      ng        551:     }
1.45      ng        552:     $gradeTable.='</tr>'."\n";
1.41      ng        553: 
1.45      ng        554:     my $ctr = 0;
1.53      albertel  555:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
1.41      ng        556: 	my ($uname,$udom) = split(/:/,$student);
1.110     ng        557: 	my %status = ();
                    558: 	if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
                    559: 	    (%status) =&student_gradeStatus($url,$symb,$udom,$uname,$partlist);
                    560: 	    my $statusflg = '';
                    561: 	    foreach (keys(%status)) {
                    562: 		$statusflg = 1 if ($status{$_} ne 'nothing');
                    563: 		my ($foo,$partid,$foo1) = split(/\./,$_);
                    564: 		if ($status{'resource.'.$partid.'.submitted_by'} ne '') {
                    565: 		    $statusflg = '';
                    566: 		    $gradeTable.='<input type="hidden" name="'.
                    567: 			$student.':submitted_by" value="'.
                    568: 			$status{'resource.'.$partid.'.submitted_by'}.'" />';
                    569: 		}
1.41      ng        570: 	    }
1.110     ng        571: 	    next if ($statusflg eq '' && $submitonly eq 'yes');
1.41      ng        572: 	}
1.34      ng        573: 
1.45      ng        574: 	$ctr++;
1.104     albertel  575: 	if ( $perm{'vgr'} eq 'F' ) {
1.110     ng        576: 	    $gradeTable.='<tr bgcolor="#ffffe6">' if ($ctr%2 ==1);
1.126     ng        577: 	    $gradeTable.='<td align="right">'.$ctr.'&nbsp;</td>'.
                    578: 		'<td align="center"><input type=checkbox name="stuinfo" value="'.
1.110     ng        579: 		$student.':'.$$fullname{$student}.'&nbsp;"></td>'."\n".
                    580: 		'<td>&nbsp;'.$$fullname{$student}.'&nbsp;'."\n".
                    581: 		'<font color="#999999">('.$uname.')</font></td>'."\n";
                    582: 
                    583: 	    if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
                    584: 		foreach (sort keys(%status)) {
                    585: 		    next if (/^resource.*?submitted_by$/);
                    586: 		    $gradeTable.='<td align="middle">&nbsp;'.$status{$_}.'&nbsp;</td>'."\n";
                    587: 		}
1.41      ng        588: 	    }
1.126     ng        589: #	    $gradeTable.='<td></td>' if ($ctr%2 ==1);
1.110     ng        590: 	    $gradeTable.='</tr>'."\n" if ($ctr%2 ==0);
1.41      ng        591: 	}
                    592:     }
1.110     ng        593:     if ($ctr%2 ==1) {
1.126     ng        594: 	$gradeTable.='<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>';
1.110     ng        595: 	    if ($ENV{'form.showgrading'} eq 'yes' && $submitonly ne 'all') {
                    596: 		foreach (@$partlist) {
                    597: 		    $gradeTable.='<td>&nbsp;</td>';
                    598: 		}
                    599: 	    }
                    600: 	$gradeTable.='</tr>';
                    601:     }
                    602: 
1.45      ng        603:     $gradeTable.='</table></td></tr></table>'.
                    604: 	'<input type="button" '.
                    605: 	'onClick="javascript:checkSelect(this.form.stuinfo);" '.
1.126     ng        606: 	'value="Next->" /></form>'."\n";
1.45      ng        607:     if ($ctr == 0) {
1.96      albertel  608: 	my $num_students=(scalar(keys(%$fullname)));
                    609: 	if ($num_students eq 0) {
                    610: 	    $gradeTable='<br />&nbsp;<font color="red">There are no students currently enrolled.</font>';
                    611: 	} else {
                    612: 	    $gradeTable='<br />&nbsp;<font color="red">'.
1.110     ng        613: 		'No submissions found for this resource for any students. ('.$num_students.
                    614: 		' checked for submissions</font><br />';
1.96      albertel  615: 	}
1.46      ng        616:     } elsif ($ctr == 1) {
                    617: 	$gradeTable =~ s/type=checkbox/type=checkbox checked/;
1.45      ng        618:     }
1.50      albertel  619:     $gradeTable.=&show_grading_menu_form($symb,$url);
1.45      ng        620:     $request->print($gradeTable);
1.44      ng        621:     return '';
1.10      ng        622: }
                    623: 
1.44      ng        624: #---- Called from the listStudents routine
                    625: #     Displays the submissions for one student or a group of students
1.34      ng        626: sub processGroup {
1.41      ng        627:     my ($request)  = shift;
                    628:     my $ctr        = 0;
                    629:     my @stuchecked = (ref($ENV{'form.stuinfo'}) ? @{$ENV{'form.stuinfo'}}
                    630: 		      : ($ENV{'form.stuinfo'}));
                    631:     my $total      = scalar(@stuchecked)-1;
1.45      ng        632: 
1.41      ng        633:     foreach (@stuchecked) {
                    634: 	my ($uname,$udom,$fullname) = split(/:/);
1.44      ng        635: 	$ENV{'form.student'}        = $uname;
                    636: 	$ENV{'form.userdom'}        = $udom;
                    637: 	$ENV{'form.fullname'}       = $fullname;
1.41      ng        638: 	&submission($request,$ctr,$total);
                    639: 	$ctr++;
                    640:     }
                    641:     return '';
1.35      ng        642: }
1.34      ng        643: 
1.44      ng        644: #------------------------------------------------------------------------------------
                    645: #
                    646: #-------------------------- Next few routines handles grading by student, essentially
                    647: #                           handles essay response type problem/part
                    648: #
                    649: #--- Javascript to handle the submission page functionality ---
                    650: sub sub_page_js {
                    651:     my $request = shift;
                    652:     $request->print(<<SUBJAVASCRIPT);
                    653: <script type="text/javascript" language="javascript">
1.71      ng        654:     function updateRadio(formname,id,weight) {
1.125     ng        655: 	var gradeBox = formname["GD_BOX"+id];
                    656: 	var radioButton = formname["RADVAL"+id];
                    657: 	var oldpts = formname["oldpts"+id].value;
1.72      ng        658: 	var pts = checkSolved(formname,id) == 'update' ? gradeBox.value : oldpts;
1.71      ng        659: 	gradeBox.value = pts;
                    660: 	var resetbox = false;
                    661: 	if (isNaN(pts) || pts < 0) {
                    662: 	    alert("A number equal or greater than 0 is expected. Entered value = "+pts);
                    663: 	    for (var i=0; i<radioButton.length; i++) {
                    664: 		if (radioButton[i].checked) {
                    665: 		    gradeBox.value = i;
                    666: 		    resetbox = true;
                    667: 		}
                    668: 	    }
                    669: 	    if (!resetbox) {
                    670: 		formtextbox.value = "";
                    671: 	    }
                    672: 	    return;
1.44      ng        673: 	}
1.71      ng        674: 
                    675: 	if (pts > weight) {
                    676: 	    var resp = confirm("You entered a value ("+pts+
                    677: 			       ") greater than the weight for the part. Accept?");
                    678: 	    if (resp == false) {
1.125     ng        679: 		gradeBox.value = oldpts;
1.71      ng        680: 		return;
                    681: 	    }
1.44      ng        682: 	}
1.13      albertel  683: 
1.71      ng        684: 	for (var i=0; i<radioButton.length; i++) {
                    685: 	    radioButton[i].checked=false;
                    686: 	    if (pts == i && pts != "") {
                    687: 		radioButton[i].checked=true;
                    688: 	    }
                    689: 	}
                    690: 	updateSelect(formname,id);
1.125     ng        691: 	formname["stores"+id].value = "0";
1.41      ng        692:     }
1.5       albertel  693: 
1.72      ng        694:     function writeBox(formname,id,pts) {
1.125     ng        695: 	var gradeBox = formname["GD_BOX"+id];
1.71      ng        696: 	if (checkSolved(formname,id) == 'update') {
                    697: 	    gradeBox.value = pts;
                    698: 	} else {
1.125     ng        699: 	    var oldpts = formname["oldpts"+id].value;
1.72      ng        700: 	    gradeBox.value = oldpts;
1.125     ng        701: 	    var radioButton = formname["RADVAL"+id];
1.71      ng        702: 	    for (var i=0; i<radioButton.length; i++) {
                    703: 		radioButton[i].checked=false;
1.72      ng        704: 		if (i == oldpts) {
1.71      ng        705: 		    radioButton[i].checked=true;
                    706: 		}
                    707: 	    }
1.41      ng        708: 	}
1.125     ng        709: 	formname["stores"+id].value = "0";
1.71      ng        710: 	updateSelect(formname,id);
                    711: 	return;
1.41      ng        712:     }
1.44      ng        713: 
1.71      ng        714:     function clearRadBox(formname,id) {
                    715: 	if (checkSolved(formname,id) == 'noupdate') {
                    716: 	    updateSelect(formname,id);
                    717: 	    return;
                    718: 	}
1.125     ng        719: 	gradeSelect = formname["GD_SEL"+id];
1.71      ng        720: 	for (var i=0; i<gradeSelect.length; i++) {
                    721: 	    if (gradeSelect[i].selected) {
                    722: 		var selectx=i;
                    723: 	    }
                    724: 	}
1.125     ng        725: 	var stores = formname["stores"+id];
1.71      ng        726: 	if (selectx == stores.value) { return };
1.125     ng        727: 	var gradeBox = formname["GD_BOX"+id];
1.71      ng        728: 	gradeBox.value = "";
1.125     ng        729: 	var radioButton = formname["RADVAL"+id];
1.71      ng        730: 	for (var i=0; i<radioButton.length; i++) {
                    731: 	    radioButton[i].checked=false;
                    732: 	}
                    733: 	stores.value = selectx;
                    734:     }
1.5       albertel  735: 
1.71      ng        736:     function checkSolved(formname,id) {
1.125     ng        737: 	if (formname["solved"+id].value == "correct_by_student" && formname.overRideScore.value == 'no') {
1.118     ng        738: 	    var reply = confirm("This problem has been graded correct by the computer. Do you want to change the score?");
                    739: 	    if (!reply) {return "noupdate";}
1.120     ng        740: 	    formname.overRideScore.value = 'yes';
1.41      ng        741: 	}
1.71      ng        742: 	return "update";
1.13      albertel  743:     }
1.71      ng        744: 
                    745:     function updateSelect(formname,id) {
1.125     ng        746: 	formname["GD_SEL"+id][0].selected = true;
1.71      ng        747: 	return;
1.41      ng        748:     }
1.33      ng        749: 
1.121     ng        750: //=========== Check that a point is assigned for all the parts  ============
1.71      ng        751:     function checksubmit(formname,val,total,parttot) {
1.121     ng        752: 	formname.gradeOpt.value = val;
1.71      ng        753: 	if (val == "Save & Next") {
                    754: 	    for (i=0;i<=total;i++) {
                    755: 		for (j=0;j<parttot;j++) {
1.125     ng        756: 		    var partid = formname["partid"+i+"_"+j].value;
1.127   ! ng        757: 		    if (formname["GD_SEL"+i+"_"+partid][0].selected) {
1.125     ng        758: 			var points = formname["GD_BOX"+i+"_"+partid].value;
1.71      ng        759: 			if (points == "") {
1.125     ng        760: 			    var name = formname["name"+i].value;
1.71      ng        761: 			    var resp = confirm("You did not assign a score for "+name+", part "+partid+". Continue?");
                    762: 			    if (resp == false) {
1.125     ng        763: 				formname["GD_BOX"+i+"_"+partid].focus();
1.71      ng        764: 				return false;
                    765: 			    }
                    766: 			}
                    767: 		    }
                    768: 		    
                    769: 		}
                    770: 	    }
                    771: 	    
                    772: 	}
1.121     ng        773: 	if (val == "Grade Student") {
                    774: 	    formname.showgrading.value = "yes";
                    775: 	    if (formname.Status.value == "") {
                    776: 		formname.Status.value = "Active";
                    777: 	    }
                    778: 	    formname.studentNo.value = total;
                    779: 	}
1.120     ng        780: 	formname.submit();
                    781:     }
                    782: 
1.71      ng        783: //======= Check that a score is assigned for all the problems (page/sequence grading only) =========
                    784:     function checkSubmitPage(formname,total) {
                    785: 	noscore = new Array(100);
                    786: 	var ptr = 0;
                    787: 	for (i=1;i<total;i++) {
1.125     ng        788: 	    var partid = formname["q_"+i].value;
1.127   ! ng        789: 	    if (formname["GD_SEL"+i+"_"+partid][0].selected) {
1.125     ng        790: 		var points = formname["GD_BOX"+i+"_"+partid].value;
                    791: 		var status = formname["solved"+i+"_"+partid].value;
1.71      ng        792: 		if (points == "" && status != "correct_by_student") {
                    793: 		    noscore[ptr] = i;
                    794: 		    ptr++;
                    795: 		}
                    796: 	    }
                    797: 	}
                    798: 	if (ptr != 0) {
                    799: 	    var sense = ptr == 1 ? ": " : "s: ";
                    800: 	    var prolist = "";
                    801: 	    if (ptr == 1) {
                    802: 		prolist = noscore[0];
                    803: 	    } else {
                    804: 		var i = 0;
                    805: 		while (i < ptr-1) {
                    806: 		    prolist += noscore[i]+", ";
                    807: 		    i++;
                    808: 		}
                    809: 		prolist += "and "+noscore[i];
                    810: 	    }
                    811: 	    var resp = confirm("You did not assign any score for the following problem"+sense+prolist+". Continue?");
                    812: 	    if (resp == false) {
                    813: 		return false;
                    814: 	    }
                    815: 	}
1.45      ng        816: 
1.71      ng        817: 	formname.submit();
                    818:     }
                    819: </script>
                    820: SUBJAVASCRIPT
                    821: }
1.45      ng        822: 
1.71      ng        823: #--- javascript for essay type problem --
                    824: sub sub_page_kw_js {
                    825:     my $request = shift;
1.80      ng        826:     my $iconpath = $request->dir_config('lonIconsURL');
1.118     ng        827:     &commonJSfunctions($request);
1.71      ng        828:     $request->print(<<SUBJAVASCRIPT);
                    829: <script type="text/javascript" language="javascript">
1.45      ng        830: 
1.44      ng        831: //===================== Show list of keywords ====================
1.122     ng        832:   function keywords(formname) {
                    833:     var nret = prompt("Keywords list, separated by a space. Add/delete to list if desired.",formname.keywords.value);
1.44      ng        834:     if (nret==null) return;
1.122     ng        835:     formname.keywords.value = nret;
1.44      ng        836: 
1.122     ng        837:     formname.refresh.value = "on";
                    838:     if (formname.keywords.value != "") {
                    839: 	formname.submit();
1.44      ng        840:     }
                    841:     return;
                    842:   }
                    843: 
                    844: //===================== Script to view submitted by ==================
                    845:   function viewSubmitter(submitter) {
                    846:     document.SCORE.refresh.value = "on";
                    847:     document.SCORE.NCT.value = "1";
                    848:     document.SCORE.unamedom0.value = submitter;
                    849:     document.SCORE.submit();
                    850:     return;
                    851:   }
                    852: 
                    853: //===================== Script to add keyword(s) ==================
                    854:   function getSel() {
                    855:     if (document.getSelection) txt = document.getSelection();
                    856:     else if (document.selection) txt = document.selection.createRange().text;
                    857:     else return;
                    858:     var cleantxt = txt.replace(new RegExp('([\\f\\n\\r\\t\\v ])+', 'g')," ");
                    859:     if (cleantxt=="") {
1.46      ng        860: 	alert("Please select a word or group of words from document and then click this link.");
1.44      ng        861: 	return;
                    862:     }
                    863:     var nret = prompt("Add selection to keyword list? Edit if desired.",cleantxt);
                    864:     if (nret==null) return;
1.127   ! ng        865:     document.SCORE.keywords.value = document.SCORE.keywords.value+" "+nret;
1.44      ng        866:     if (document.SCORE.keywords.value != "") {
1.127   ! ng        867: 	document.SCORE.refresh.value = "on";
1.44      ng        868: 	document.SCORE.submit();
                    869:     }
                    870:     return;
                    871:   }
                    872: 
                    873: //====================== Script for composing message ==============
1.80      ng        874:    // preload images
                    875:    img1 = new Image();
                    876:    img1.src = "$iconpath/mailbkgrd.gif";
                    877:    img2 = new Image();
                    878:    img2.src = "$iconpath/mailto.gif";
                    879: 
1.44      ng        880:   function msgCenter(msgform,usrctr,fullname) {
                    881:     var Nmsg  = msgform.savemsgN.value;
                    882:     savedMsgHeader(Nmsg,usrctr,fullname);
                    883:     var subject = msgform.msgsub.value;
1.127   ! ng        884:     var msgchk = document.SCORE["includemsg"+usrctr].value;
1.44      ng        885:     re = /msgsub/;
                    886:     var shwsel = "";
                    887:     if (re.test(msgchk)) { shwsel = "checked" }
1.123     ng        888:     subject = (document.SCORE.shownSub.value == 0 ? checkEntities(subject) : subject);
                    889:     displaySubject(checkEntities(subject),shwsel);
1.44      ng        890:     for (var i=1; i<=Nmsg; i++) {
1.123     ng        891: 	var testmsg = "savemsg"+i+",";
                    892: 	re = new RegExp(testmsg,"g");
1.44      ng        893: 	shwsel = "";
                    894: 	if (re.test(msgchk)) { shwsel = "checked" }
1.125     ng        895: 	var message = document.SCORE["savemsg"+i].value;
1.126     ng        896: 	message = (document.SCORE["shownOnce"+i].value == 0 ? checkEntities(message) : message);
1.123     ng        897: 	displaySavedMsg(i,message,shwsel); //I do not get it. w/o checkEntities on saved messages,
                    898: 	                                   //any &lt; is already converted to <, etc. However, only once!!
1.44      ng        899:     }
1.125     ng        900:     newmsg = document.SCORE["newmsg"+usrctr].value;
1.44      ng        901:     shwsel = "";
                    902:     re = /newmsg/;
                    903:     if (re.test(msgchk)) { shwsel = "checked" }
                    904:     newMsg(newmsg,shwsel);
                    905:     msgTail(); 
                    906:     return;
                    907:   }
                    908: 
1.123     ng        909:   function checkEntities(strx) {
                    910:     if (strx.length == 0) return strx;
                    911:     var orgStr = ["&", "<", ">", '"']; 
                    912:     var newStr = ["&amp;", "&lt;", "&gt;", "&quot;"];
                    913:     var counter = 0;
                    914:     while (counter < 4) {
                    915: 	strx = strReplace(strx,orgStr[counter],newStr[counter]);
                    916: 	counter++;
                    917:     }
                    918:     return strx;
                    919:   }
                    920: 
                    921:   function strReplace(strx, orgStr, newStr) {
                    922:     return strx.split(orgStr).join(newStr);
                    923:   }
                    924: 
1.44      ng        925:   function savedMsgHeader(Nmsg,usrctr,fullname) {
1.76      ng        926:     var height = 70*Nmsg+250;
1.44      ng        927:     var scrollbar = "no";
                    928:     if (height > 600) {
                    929: 	height = 600;
                    930: 	scrollbar = "yes";
                    931:     }
1.84      ng        932: //    if (window.pWin) {window.pWin.close(); window.pWin=null}
1.118     ng        933:     var xpos = (screen.width-600)/2;
                    934:     xpos = (xpos < 0) ? '0' : xpos;
                    935:     var ypos = (screen.height-height)/2-30;
                    936:     ypos = (ypos < 0) ? '0' : ypos;
                    937: 
                    938:     pWin = window.open('', 'MessageCenter', 'toolbar=no,location=no,scrollbars='+scrollbar+',screenx='+xpos+',screeny='+ypos+',width=600,height='+height);
1.76      ng        939:     pWin.focus();
                    940:     pDoc = pWin.document;
                    941:     pDoc.write("<html><head>");
                    942:     pDoc.write("<title>Message Central</title>");
                    943: 
                    944:     pDoc.write("<script language=javascript>");
                    945:     pDoc.write("function checkInput() {");
1.123     ng        946:     pDoc.write("  opener.document.SCORE.msgsub.value = opener.checkEntities(document.msgcenter.msgsub.value);");
1.76      ng        947:     pDoc.write("  var nmsg   = opener.document.SCORE.savemsgN.value;");
                    948:     pDoc.write("  var usrctr = document.msgcenter.usrctr.value;");
1.125     ng        949:     pDoc.write("  var newval = opener.document.SCORE[\\"newmsg\\"+usrctr];");
1.123     ng        950:     pDoc.write("  newval.value = opener.checkEntities(document.msgcenter.newmsg.value);");
1.76      ng        951: 
                    952:     pDoc.write("  var msgchk = \\"\\";");
                    953:     pDoc.write("  if (document.msgcenter.subchk.checked) {");
                    954:     pDoc.write("     msgchk = \\"msgsub,\\";");
                    955:     pDoc.write("  }");
1.80      ng        956:     pDoc.write("  var includemsg = 0;");
                    957:     pDoc.write("  for (var i=1; i<=nmsg; i++) {");
1.125     ng        958:     pDoc.write("      var opnmsg = opener.document.SCORE[\\"savemsg\\"+i];");
                    959:     pDoc.write("      var frmmsg = document.msgcenter[\\"msg\\"+i];");
1.123     ng        960:     pDoc.write("      opnmsg.value = opener.checkEntities(frmmsg.value);");
1.125     ng        961:     pDoc.write("      var showflg = opener.document.SCORE[\\"shownOnce\\"+i];");
1.123     ng        962:     pDoc.write("      showflg.value = \\"1\\";");
1.125     ng        963:     pDoc.write("      var chkbox = document.msgcenter[\\"msgn\\"+i];");
1.76      ng        964:     pDoc.write("      if (chkbox.checked) {");
                    965:     pDoc.write("         msgchk += \\"savemsg\\"+i+\\",\\";");
1.80      ng        966:     pDoc.write("         includemsg = 1;");
1.76      ng        967:     pDoc.write("      }");
                    968:     pDoc.write("  }");
                    969:     pDoc.write("  if (document.msgcenter.newmsgchk.checked) {");
                    970:     pDoc.write("     msgchk += \\"newmsg\\"+usrctr;");
1.80      ng        971:     pDoc.write("     includemsg = 1;");
                    972:     pDoc.write("  }");
1.125     ng        973:     pDoc.write("  imgformname = opener.document.SCORE[\\"mailicon\\"+usrctr];");
1.84      ng        974:     pDoc.write("  imgformname.src = \\"$iconpath/\\"+((includemsg) ? \\"mailto.gif\\" : \\"mailbkgrd.gif\\");");
1.125     ng        975:     pDoc.write("  var includemsg = opener.document.SCORE[\\"includemsg\\"+usrctr];");
1.76      ng        976:     pDoc.write("  includemsg.value = msgchk;");
                    977: 
                    978:     pDoc.write("  self.close()");
                    979: 
                    980:     pDoc.write("}");
                    981: 
                    982:     pDoc.write("<");
                    983:     pDoc.write("/script>");
                    984: 
                    985:     pDoc.write("</head><body bgcolor=white>");
                    986: 
                    987:     pDoc.write("<form action=\\"inactive\\" name=\\"msgcenter\\">");
                    988:     pDoc.write("<input value=\\""+usrctr+"\\" name=\\"usrctr\\" type=\\"hidden\\">");
                    989:     pDoc.write("<font color=\\"green\\" size=+1>&nbsp;Compose Message for \"+fullname+\"</font><br><br>");
                    990: 
                    991:     pDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
                    992:     pDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
                    993:     pDoc.write("<td><b>Type</b></td><td><b>Include</b></td><td><b>Message</td></tr>");
1.44      ng        994: }
                    995:     function displaySubject(msg,shwsel) {
1.76      ng        996:     pDoc = pWin.document;
                    997:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
                    998:     pDoc.write("<td>Subject</td>");
                    999:     pDoc.write("<td align=\\"center\\"><input name=\\"subchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
                   1000:     pDoc.write("<td><input name=\\"msgsub\\" type=\\"text\\" value=\\""+msg+"\\"size=\\"60\\" maxlength=\\"80\\"></td></tr>");
1.44      ng       1001: }
                   1002: 
1.72      ng       1003:   function displaySavedMsg(ctr,msg,shwsel) {
1.76      ng       1004:     pDoc = pWin.document;
                   1005:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
                   1006:     pDoc.write("<td align=\\"center\\">"+ctr+"</td>");
                   1007:     pDoc.write("<td align=\\"center\\"><input name=\\"msgn"+ctr+"\\" type=\\"checkbox\\"" +shwsel+"></td>");
                   1008:     pDoc.write("<td><textarea name=\\"msg"+ctr+"\\" cols=\\"60\\" rows=\\"3\\">"+msg+"</textarea></td></tr>");
1.44      ng       1009: }
                   1010: 
                   1011:   function newMsg(newmsg,shwsel) {
1.76      ng       1012:     pDoc = pWin.document;
                   1013:     pDoc.write("<tr bgcolor=\\"#ffffdd\\">");
                   1014:     pDoc.write("<td align=\\"center\\">New</td>");
                   1015:     pDoc.write("<td align=\\"center\\"><input name=\\"newmsgchk\\" type=\\"checkbox\\"" +shwsel+"></td>");
                   1016:     pDoc.write("<td><textarea name=\\"newmsg\\" cols=\\"60\\" rows=\\"3\\" onchange=\\"javascript:this.form.newmsgchk.checked=true\\" >"+newmsg+"</textarea></td></tr>");
1.44      ng       1017: }
                   1018: 
                   1019:   function msgTail() {
1.76      ng       1020:     pDoc = pWin.document;
                   1021:     pDoc.write("</table>");
                   1022:     pDoc.write("</td></tr></table>&nbsp;");
                   1023:     pDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:checkInput()\\">&nbsp;&nbsp;");
                   1024:     pDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
                   1025:     pDoc.write("</form>");
                   1026:     pDoc.write("</body></html>");
1.44      ng       1027: }
                   1028: 
                   1029: //====================== Script for keyword highlight options ==============
                   1030:   function kwhighlight() {
                   1031:     var kwclr    = document.SCORE.kwclr.value;
                   1032:     var kwsize   = document.SCORE.kwsize.value;
                   1033:     var kwstyle  = document.SCORE.kwstyle.value;
                   1034:     var redsel = "";
                   1035:     var grnsel = "";
                   1036:     var blusel = "";
                   1037:     if (kwclr=="red")   {var redsel="checked"};
                   1038:     if (kwclr=="green") {var grnsel="checked"};
                   1039:     if (kwclr=="blue")  {var blusel="checked"};
                   1040:     var sznsel = "";
                   1041:     var sz1sel = "";
                   1042:     var sz2sel = "";
                   1043:     if (kwsize=="0")  {var sznsel="checked"};
                   1044:     if (kwsize=="+1") {var sz1sel="checked"};
                   1045:     if (kwsize=="+2") {var sz2sel="checked"};
                   1046:     var synsel = "";
                   1047:     var syisel = "";
                   1048:     var sybsel = "";
                   1049:     if (kwstyle=="")    {var synsel="checked"};
                   1050:     if (kwstyle=="<i>") {var syisel="checked"};
                   1051:     if (kwstyle=="<b>") {var sybsel="checked"};
                   1052:     highlightCentral();
                   1053:     highlightbody('red','red',redsel,'0','normal',sznsel,'','normal',synsel);
                   1054:     highlightbody('green','green',grnsel,'+1','+1',sz1sel,'<i>','italic',syisel);
                   1055:     highlightbody('blue','blue',blusel,'+2','+2',sz2sel,'<b>','bold',sybsel);
                   1056:     highlightend();
                   1057:     return;
                   1058:   }
                   1059: 
                   1060:   function highlightCentral() {
1.76      ng       1061: //    if (window.hwdWin) window.hwdWin.close();
1.118     ng       1062:     var xpos = (screen.width-400)/2;
                   1063:     xpos = (xpos < 0) ? '0' : xpos;
                   1064:     var ypos = (screen.height-330)/2-30;
                   1065:     ypos = (ypos < 0) ? '0' : ypos;
                   1066: 
                   1067:     hwdWin = window.open('', 'KeywordHighlightCentral', 'toolbar=no,location=no,scrollbars=no,width=400,height=300,screenx='+xpos+',screeny='+ypos);
1.76      ng       1068:     hwdWin.focus();
                   1069:     var hDoc = hwdWin.document;
                   1070:     hDoc.write("<html><head>");
                   1071:     hDoc.write("<title>Highlight Central</title>");
                   1072: 
                   1073:     hDoc.write("<script language=javascript>");
                   1074:     hDoc.write("function updateChoice(flag) {");
1.118     ng       1075:     hDoc.write("  opener.document.SCORE.kwclr.value = opener.radioSelection(document.hlCenter.kwdclr);");
                   1076:     hDoc.write("  opener.document.SCORE.kwsize.value = opener.radioSelection(document.hlCenter.kwdsize);");
                   1077:     hDoc.write("  opener.document.SCORE.kwstyle.value = opener.radioSelection(document.hlCenter.kwdstyle);");
1.76      ng       1078:     hDoc.write("  opener.document.SCORE.refresh.value = \\"on\\";");
                   1079:     hDoc.write("  if (opener.document.SCORE.keywords.value!=\\"\\"){");
                   1080:     hDoc.write("     opener.document.SCORE.submit();");
                   1081:     hDoc.write("  }");
                   1082:     hDoc.write("  self.close()");
                   1083:     hDoc.write("}");
                   1084: 
                   1085:     hDoc.write("<");
                   1086:     hDoc.write("/script>");
                   1087: 
                   1088:     hDoc.write("</head><body bgcolor=white>");
                   1089: 
                   1090:     hDoc.write("<form action=\\"inactive\\" name=\\"hlCenter\\">");
                   1091:     hDoc.write("<font color=\\"green\\" size=+1>&nbsp;Keyword Highlight Options</font><br><br>");
                   1092: 
                   1093:     hDoc.write("<table border=0 width=100%><tr><td bgcolor=\\"#777777\\">");
                   1094:     hDoc.write("<table border=0 width=100%><tr bgcolor=\\"#ddffff\\">");
                   1095:     hDoc.write("<td><b>Text Color</b></td><td><b>Font Size</b></td><td><b>Font Style</td></tr>");
1.44      ng       1096:   }
                   1097: 
                   1098:   function highlightbody(clrval,clrtxt,clrsel,szval,sztxt,szsel,syval,sytxt,sysel) { 
1.76      ng       1099:     var hDoc = hwdWin.document;
                   1100:     hDoc.write("<tr bgcolor=\\"#ffffdd\\">");
                   1101:     hDoc.write("<td align=\\"left\\">");
                   1102:     hDoc.write("<input name=\\"kwdclr\\" type=\\"radio\\" value=\\""+clrval+"\\" "+clrsel+">&nbsp;"+clrtxt+"</td>");
                   1103:     hDoc.write("<td align=\\"left\\">");
                   1104:     hDoc.write("<input name=\\"kwdsize\\" type=\\"radio\\" value=\\""+szval+"\\" "+szsel+">&nbsp;"+sztxt+"</td>");
                   1105:     hDoc.write("<td align=\\"left\\">");
                   1106:     hDoc.write("<input name=\\"kwdstyle\\" type=\\"radio\\" value=\\""+syval+"\\" "+sysel+">&nbsp;"+sytxt+"</td>");
                   1107:     hDoc.write("</tr>");
1.44      ng       1108:   }
                   1109: 
                   1110:   function highlightend() { 
1.76      ng       1111:     var hDoc = hwdWin.document;
                   1112:     hDoc.write("</table>");
                   1113:     hDoc.write("</td></tr></table>&nbsp;");
                   1114:     hDoc.write("<input type=\\"button\\" value=\\"Save\\" onClick=\\"javascript:updateChoice(1)\\">&nbsp;&nbsp;");
                   1115:     hDoc.write("<input type=\\"button\\" value=\\"Cancel\\" onClick=\\"self.close()\\"><br><br>");
                   1116:     hDoc.write("</form>");
                   1117:     hDoc.write("</body></html>");
1.44      ng       1118:   }
                   1119: 
                   1120: </script>
                   1121: SUBJAVASCRIPT
                   1122: }
                   1123: 
1.71      ng       1124: #--- displays the grading box, used in essay type problem and grading by page/sequence
                   1125: sub gradeBox {
                   1126:     my ($request,$symb,$uname,$udom,$counter,$partid,$record) = @_;
                   1127: 
                   1128:     my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
                   1129: 	'/check.gif" height="16" border="0" />';
                   1130: 
                   1131:     my $wgt    = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb,$udom,$uname);
                   1132:     my $wgtmsg = ($wgt > 0 ? '(problem weight)' : 
                   1133: 		  '<font color="red">problem weight assigned by computer</font>');
                   1134:     $wgt       = ($wgt > 0 ? $wgt : '1');
                   1135:     my $score  = ($$record{'resource.'.$partid.'.awarded'} eq '' ?
                   1136: 		  '' : $$record{'resource.'.$partid.'.awarded'}*$wgt);
                   1137:     my $result='<input type="hidden" name="WGT'.$counter.'_'.$partid.'" value="'.$wgt.'" />'."\n";
                   1138: 
                   1139:     $result.='<table border="0"><tr><td>'.
                   1140: 	'<b>Part </b>'.$partid.' <b>Points: </b></td><td>'."\n";
                   1141: 
                   1142:     my $ctr = 0;
                   1143:     $result.='<table border="0"><tr>'."\n";  # display radio buttons in a nice table 10 across
                   1144:     while ($ctr<=$wgt) {
                   1145: 	$result.= '<td><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
                   1146: 	    'onclick="javascript:writeBox(this.form,\''.$counter.'_'.$partid.'\','.
1.72      ng       1147: 	    $ctr.')" value="'.$ctr.'" '.
1.71      ng       1148: 	    ($score eq $ctr ? 'checked':'').' /> '.$ctr."</td>\n";
                   1149: 	$result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
                   1150: 	$ctr++;
                   1151:     }
                   1152:     $result.='</tr></table>';
                   1153: 
                   1154:     $result.='</td><td>&nbsp;<b>or</b>&nbsp;</td>'."\n";
                   1155:     $result.='<td><input type="text" name="GD_BOX'.$counter.'_'.$partid.'"'.
                   1156: 	($score ne ''? ' value = "'.$score.'"':'').' size="4" '.
                   1157: 	'onChange="javascript:updateRadio(this.form,\''.$counter.'_'.$partid.'\','.
                   1158: 	$wgt.')" /></td>'."\n";
                   1159:     $result.='<td>/'.$wgt.' '.$wgtmsg.
                   1160: 	($$record{'resource.'.$partid.'.solved'} eq 'correct_by_student' ? '&nbsp;'.$checkIcon : '').
                   1161: 	' </td><td>'."\n";
                   1162: 
                   1163:     $result.='<select name="GD_SEL'.$counter.'_'.$partid.'" '.
                   1164: 	'onChange="javascript:clearRadBox(this.form,\''.$counter.'_'.$partid.'\')" >'."\n";
                   1165:     if ($$record{'resource.'.$partid.'.solved'} eq 'excused') {
                   1166: 	$result.='<option> </option>'.
1.125     ng       1167: 	    '<option selected="on">excused</option>';
1.71      ng       1168:     } else {
                   1169: 	$result.='<option selected="on"> </option>'.
1.125     ng       1170: 	    '<option>excused</option>';
1.71      ng       1171:     }
1.125     ng       1172:     $result.='<option>reset status</option></select>'."\n";
1.71      ng       1173:     $result.="&nbsp&nbsp\n";
                   1174:     $result.='<input type="hidden" name="stores'.$counter.'_'.$partid.'" value="" />'."\n".
                   1175: 	'<input type="hidden" name="oldpts'.$counter.'_'.$partid.'" value="'.$score.'" />'."\n".
                   1176: 	'<input type="hidden" name="solved'.$counter.'_'.$partid.'" value="'.
                   1177: 	$$record{'resource.'.$partid.'.solved'}.'" />'."\n";
                   1178:     $result.='</td></tr></table>'."\n";
                   1179:     return $result;
                   1180: }
1.44      ng       1181: 
1.58      albertel 1182: sub show_problem {
1.71      ng       1183:     my ($request,$symb,$uname,$udom,$removeform,$viewon) = @_;
1.58      albertel 1184:     my $rendered=&Apache::loncommon::get_student_view($symb,$uname,$udom,
                   1185: 						      $ENV{'request.course.id'});
                   1186:     if ($removeform) {
                   1187: 	$rendered=~s|<form(.*?)>||g;
                   1188: 	$rendered=~s|</form>||g;
                   1189: 	$rendered=~s|name="submit"|name="would_have_been_submit"|g;
                   1190:     }
                   1191:     my $companswer=&Apache::loncommon::get_student_answers($symb,$uname,$udom,
                   1192: 							   $ENV{'request.course.id'});
                   1193:     if ($removeform) {
                   1194: 	$companswer=~s|<form(.*?)>||g;
                   1195: 	$companswer=~s|</form>||g;
                   1196: 	$rendered=~s|name="submit"|name="would_have_been_submit"|g;
                   1197:     }
                   1198:     my $result.='<table border="0" width="100%"><tr><td bgcolor="#777777">';
1.71      ng       1199:     $result.='<table border="0" width="100%">';
                   1200:     $result.='<tr><td bgcolor="#e6ffff"><b> View of the problem - '.$ENV{'form.fullname'}.
                   1201: 	'</b></td></tr>' if ($viewon);
                   1202:     $result.='<tr><td bgcolor="#ffffff">'.$rendered.'<br />';
1.58      albertel 1203:     $result.='<b>Correct answer:</b><br />'.$companswer;
                   1204:     $result.='</td></tr></table>';
                   1205:     $result.='</td></tr></table><br />';
1.71      ng       1206:     return $result;
1.58      albertel 1207: }
                   1208: 
1.44      ng       1209: # --------------------------- show submissions of a student, option to grade 
                   1210: sub submission {
                   1211:     my ($request,$counter,$total) = @_;
                   1212: 
                   1213:     (my $url=$ENV{'form.url'})=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
                   1214:     my ($uname,$udom)     = ($ENV{'form.student'},$ENV{'form.userdom'});
1.120     ng       1215:     $udom = ($udom eq '' ? $ENV{'user.domain'} : $udom); #has form.userdom changed for a student?
1.104     albertel 1216:     my $usec = &Apache::lonnet::getsection($udom,$uname,$ENV{'request.course.id'});
1.44      ng       1217:     $ENV{'form.fullname'} = &get_fullname ($uname,$udom) if $ENV{'form.fullname'} eq '';
1.41      ng       1218: 
                   1219:     my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
                   1220:     if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
1.104     albertel 1221: 
                   1222:     if (!&canview($usec)) {
1.116     ng       1223: 	$request->print('<font color="red">Unable to view requested student.('.
                   1224: 			$uname.$udom.$usec.$ENV{'request.course.id'}.')</font>');
1.104     albertel 1225: 	$request->print(&show_grading_menu_form($symb,$url));
                   1226: 	return;
                   1227:     }
                   1228: 
1.122     ng       1229:     $ENV{'form.lastSub'} = ($ENV{'form.lastSub'} eq '' ? 'datesub' : $ENV{'form.lastSub'});
1.41      ng       1230:     my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
1.122     ng       1231:     my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
                   1232: 	'/check.gif" height="16" border="0" />';
1.41      ng       1233: 
                   1234:     # header info
                   1235:     if ($counter == 0) {
                   1236: 	&sub_page_js($request);
1.118     ng       1237: 	&sub_page_kw_js($request) if ($ENV{'form.handgrade'} eq 'yes');
1.76      ng       1238: 	$ENV{'form.probTitle'} = $ENV{'form.probTitle'} eq '' ? 
                   1239: 	    &Apache::lonnet::gettitle($symb) : $ENV{'form.probTitle'};
                   1240: 
1.45      ng       1241: 	$request->print('<h3>&nbsp;<font color="#339933">Submission Record</font></h3>'."\n".
1.118     ng       1242: 			'<font size=+1>&nbsp;<b>Resource: </b>'.$ENV{'form.probTitle'}.'</font>'."\n");
                   1243: 
                   1244: 	if ($ENV{'form.handgrade'} eq 'no') {
                   1245: 	    my $checkMark='<br /><br />&nbsp;<b>Note:</b> Part(s) graded correct by the computer is marked with a '.
                   1246: 		$checkIcon.' symbol.'."\n";
                   1247: 	    $request->print($checkMark);
                   1248: 	}
1.41      ng       1249: 
1.44      ng       1250: 	# option to display problem, only once else it cause problems 
                   1251:         # with the form later since the problem has a form.
1.66      albertel 1252: 	if ($ENV{'form.vProb'} eq 'yes' or !$ENV{'form.vProb'}) {
1.71      ng       1253: 	    $request->print(&show_problem($request,$symb,$uname,$udom,0,1));
1.41      ng       1254: 	}
                   1255: 	
1.44      ng       1256: 	# kwclr is the only variable that is guaranteed to be non blank 
                   1257:         # if this subroutine has been called once.
1.41      ng       1258: 	my %keyhash = ();
1.118     ng       1259: 	if ($ENV{'form.kwclr'} eq '' && $ENV{'form.handgrade'} eq 'yes') {
1.41      ng       1260: 	    %keyhash = &Apache::lonnet::dump('nohist_handgrade',
                   1261: 					     $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                   1262: 					     $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
                   1263: 
                   1264: 	    my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
                   1265: 	    $ENV{'form.keywords'} = $keyhash{$symb.'_keywords'} ne '' ? $keyhash{$symb.'_keywords'} : '';
                   1266: 	    $ENV{'form.kwclr'}    = $keyhash{$loginuser.'_kwclr'} ne '' ? $keyhash{$loginuser.'_kwclr'} : 'red';
                   1267: 	    $ENV{'form.kwsize'}   = $keyhash{$loginuser.'_kwsize'} ne '' ? $keyhash{$loginuser.'_kwsize'} : '0';
                   1268: 	    $ENV{'form.kwstyle'}  = $keyhash{$loginuser.'_kwstyle'} ne '' ? $keyhash{$loginuser.'_kwstyle'} : '';
                   1269: 	    $ENV{'form.msgsub'}   = $keyhash{$symb.'_subject'} ne '' ? 
1.72      ng       1270: 		$keyhash{$symb.'_subject'} : $ENV{'form.probTitle'};
1.41      ng       1271: 	    $ENV{'form.savemsgN'} = $keyhash{$symb.'_savemsgN'} ne '' ? $keyhash{$symb.'_savemsgN'} : '0';
                   1272: 	}
1.120     ng       1273: 	my $overRideScore = $ENV{'form.overRideScore'} eq '' ? 'no' : $ENV{'form.overRideScore'};
1.44      ng       1274: 
1.41      ng       1275: 	$request->print('<form action="/adm/grades" method="post" name="SCORE">'."\n".
                   1276: 			'<input type="hidden" name="command"    value="handgrade" />'."\n".
1.80      ng       1277: 			'<input type="hidden" name="saveState"  value="'.$ENV{'form.saveState'}.'" />'."\n".
1.119     ng       1278: 			'<input type="hidden" name="Status"     value="'.$ENV{'form.Status'}.'" />'."\n".
1.120     ng       1279: 			'<input type="hidden" name="overRideScore" value="'.$overRideScore.'" />'."\n".
1.72      ng       1280: 			'<input type="hidden" name="probTitle"  value="'.$ENV{'form.probTitle'}.'" />'."\n".
1.41      ng       1281: 			'<input type="hidden" name="refresh"    value="off" />'."\n".
1.120     ng       1282: 			'<input type="hidden" name="studentNo"  value="" />'."\n".
                   1283: 			'<input type="hidden" name="gradeOpt"   value="" />'."\n".
1.41      ng       1284: 			'<input type="hidden" name="symb"       value="'.$symb.'" />'."\n".
                   1285: 			'<input type="hidden" name="url"        value="'.$url.'" />'."\n".
                   1286: 			'<input type="hidden" name="showgrading" value="'.$ENV{'form.showgrading'}.'" />'."\n".
                   1287: 			'<input type="hidden" name="vProb"      value="'.$ENV{'form.vProb'}.'" />'."\n".
                   1288: 			'<input type="hidden" name="lastSub"    value="'.$ENV{'form.lastSub'}.'" />'."\n".
                   1289: 			'<input type="hidden" name="section"    value="'.$ENV{'form.section'}.'">'."\n".
                   1290: 			'<input type="hidden" name="submitonly" value="'.$ENV{'form.submitonly'}.'">'."\n".
                   1291: 			'<input type="hidden" name="handgrade"  value="'.$ENV{'form.handgrade'}.'">'."\n".
                   1292: 			'<input type="hidden" name="NCT"'.
                   1293: 			' value="'.($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : $total+1).'" />'."\n");
1.123     ng       1294: 	if ($ENV{'form.handgrade'} eq 'yes') {
                   1295: 	    $request->print('<input type="hidden" name="keywords" value="'.$ENV{'form.keywords'}.'" />'."\n".
                   1296: 			    '<input type="hidden" name="kwclr"    value="'.$ENV{'form.kwclr'}.'" />'."\n".
                   1297: 			    '<input type="hidden" name="kwsize"   value="'.$ENV{'form.kwsize'}.'" />'."\n".
                   1298: 			    '<input type="hidden" name="kwstyle"  value="'.$ENV{'form.kwstyle'}.'" />'."\n".
                   1299: 			    '<input type="hidden" name="msgsub"   value="'.$ENV{'form.msgsub'}.'" />'."\n".
                   1300: 			    '<input type="hidden" name="shownSub" value="0" />'."\n".
                   1301: 			    '<input type="hidden" name="savemsgN" value="'.$ENV{'form.savemsgN'}.'" />'."\n");
                   1302: 	}
1.41      ng       1303: 	
                   1304: 	my ($cts,$prnmsg) = (1,'');
                   1305: 	while ($cts <= $ENV{'form.savemsgN'}) {
                   1306: 	    $prnmsg.='<input type="hidden" name="savemsg'.$cts.'" value="'.
1.123     ng       1307: 		(!exists($keyhash{$symb.'_savemsg'.$cts}) ? 
1.80      ng       1308: 		 &Apache::lonfeedback::clear_out_html($ENV{'form.savemsg'.$cts}) :
                   1309: 		 &Apache::lonfeedback::clear_out_html($keyhash{$symb.'_savemsg'.$cts})).
1.123     ng       1310: 		'" />'."\n".
                   1311: 		'<input type="hidden" name="shownOnce'.$cts.'" value="0" />'."\n";
1.41      ng       1312: 	    $cts++;
                   1313: 	}
                   1314: 	$request->print($prnmsg);
1.32      ng       1315: 
1.41      ng       1316: 	if ($ENV{'form.handgrade'} eq 'yes' && $ENV{'form.showgrading'} eq 'yes') {
1.88      www      1317: #
                   1318: # Print out the keyword options line
                   1319: #
1.41      ng       1320: 	    $request->print(<<KEYWORDS);
1.38      ng       1321: &nbsp;<b>Keyword Options:</b>&nbsp;
1.122     ng       1322: <a href="javascript:keywords(document.SCORE)"; TARGET=_self>List</a>&nbsp; &nbsp;
1.38      ng       1323: <a href="#" onMouseDown="javascript:getSel(); return false"
                   1324:  CLASS="page">Paste Selection to List</a>&nbsp; &nbsp;
                   1325: <a href="javascript:kwhighlight()"; TARGET=_self>Highlight Attribute</a><br /><br />
                   1326: KEYWORDS
1.88      www      1327: #
                   1328: # Load the other essays for similarity check
                   1329: #
                   1330:             my $essayurl=&Apache::lonnet::declutter($url);
                   1331: 	    my ($adom,$aname,$apath)=($essayurl=~/^(\w+)\/(\w+)\/(.*)$/);
                   1332: 	    $apath=&Apache::lonnet::escape($apath);
                   1333: 	    $apath=~s/\W/\_/gs;
                   1334: 	    %oldessays=&Apache::lonnet::dump('nohist_essay_'.$apath,$adom,$aname);
1.41      ng       1335:         }
                   1336:     }
1.44      ng       1337: 
1.58      albertel 1338:     if ($ENV{'form.vProb'} eq 'all') {
1.71      ng       1339: 	$request->print('<br /><br /><br />') if ($counter > 0);
                   1340: 	$request->print(&show_problem($request,$symb,$uname,$udom,1,1));
1.58      albertel 1341:     }
1.41      ng       1342:     my %record = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$udom,$uname);
1.125     ng       1343: 
                   1344:     my ($partlist,$handgrade) = &response_type($url,$symb);
1.41      ng       1345: 
1.44      ng       1346:     # Display student info
1.41      ng       1347:     $request->print(($counter == 0 ? '' : '<br />'));
1.45      ng       1348:     my $result='<table border="0" width=100%><tr><td bgcolor="#777777">'."\n".
                   1349: 	'<table border="0" width=100%><tr bgcolor="#edffff"><td>'."\n";
1.44      ng       1350: 
                   1351:     $result.='<b>Fullname: </b>'.$ENV{'form.fullname'}.
1.116     ng       1352: 	'<font color="#999999">&nbsp; &nbsp;Username: '.$uname.
                   1353: 	($ENV{'user.domain'} eq $udom ? '' : ' ('.$udom.')').'</font><br />'."\n";
1.45      ng       1354:     $result.='<input type="hidden" name="name'.$counter.
                   1355: 	'" value="'.$ENV{'form.fullname'}.'" />'."\n";
1.41      ng       1356: 
1.118     ng       1357:     # If any part of the problem is an essay-response (handgraded), then check for collaborators
1.45      ng       1358:     my @col_fullnames;
1.56      matthew  1359:     my ($classlist,$fullname);
1.41      ng       1360:     if ($ENV{'form.handgrade'} eq 'yes') {
1.80      ng       1361: 	($classlist,undef,$fullname) = &getclasslist('all','0');
1.41      ng       1362: 	for (keys (%$handgrade)) {
1.44      ng       1363: 	    my $ncol = &Apache::lonnet::EXT('resource.'.$_.
1.57      matthew  1364: 					    '.maxcollaborators',
                   1365:                                             $symb,$udom,$uname);
                   1366: 	    next if ($ncol <= 0);
                   1367:             s/\_/\./g;
                   1368:             next if ($record{'resource.'.$_.'.collaborators'} eq '');
1.86      ng       1369:             my @goodcollaborators = ();
                   1370:             my @badcollaborators  = ();
                   1371: 	    foreach (split(/,?\s+/,$record{'resource.'.$_.'.collaborators'})) { 
                   1372: 		$_ =~ s/[\$\^\(\)]//g;
                   1373: 		next if ($_ eq '');
1.80      ng       1374: 		my ($co_name,$co_dom) = split /\@|:/,$_;
1.86      ng       1375: 		$co_dom = $udom if (! defined($co_dom) || $co_dom =~ /^domain$/i);
1.80      ng       1376: 		next if ($co_name eq $uname && $co_dom eq $udom);
1.86      ng       1377: 		# Doing this grep allows 'fuzzy' specification
                   1378: 		my @Matches = grep /^$co_name:$co_dom$/i,keys %$classlist;
                   1379: 		if (! scalar(@Matches)) {
                   1380: 		    push @badcollaborators,$_;
                   1381: 		} else {
                   1382: 		    push @goodcollaborators, @Matches;
                   1383: 		}
1.80      ng       1384: 	    }
1.86      ng       1385:             if (scalar(@goodcollaborators) != 0) {
1.57      matthew  1386:                 $result.='<b>Collaborators: </b>';
1.86      ng       1387:                 foreach (@goodcollaborators) {
                   1388: 		    my ($lastname,$givenn) = split(/,/,$$fullname{$_});
                   1389: 		    push @col_fullnames, $givenn.' '.$lastname;
                   1390: 		    $result.=$$fullname{$_}.'&nbsp; &nbsp; &nbsp;';
                   1391: 		}
1.57      matthew  1392:                 $result.='<br />'."\n";
1.86      ng       1393: 		$result.='<input type="hidden" name="collaborator'.$counter.
                   1394: 		    '" value="'.(join ':',@goodcollaborators).'" />'."\n";
                   1395: 	    }
                   1396: 	    if (scalar(@badcollaborators) > 0) {
                   1397: 		$result.='<table border="0"><tr bgcolor="#ffbbbb"><td>';
                   1398: 		$result.='This student has submitted ';
                   1399: 		$result.=(scalar(@badcollaborators) == 1) ? 'an invalid collaborator' : 'invalid collaborators';
                   1400: 		$result .= ': '.join(', ',@badcollaborators);
                   1401: 		$result .= '</td></tr></table>';
                   1402: 	    }         
                   1403: 	    if (scalar(@badcollaborators > $ncol)) {
                   1404: 		$result .= '<table border="0"><tr bgcolor="#ffbbbb"><td>';
                   1405: 		$result .= 'This student has submitted too many '.
                   1406: 		    'collaborators.  Maximum is '.$ncol.'.';
                   1407: 		$result .= '</td></tr></table>';
                   1408: 	    }
1.41      ng       1409: 	}
                   1410:     }
1.44      ng       1411:     $request->print($result."\n");
1.33      ng       1412: 
1.44      ng       1413:     # print student answer/submission
                   1414:     # Options are (1) Handgaded submission only
                   1415:     #             (2) Last submission, includes submission that is not handgraded 
                   1416:     #                  (for multi-response type part)
                   1417:     #             (3) Last submission plus the parts info
                   1418:     #             (4) The whole record for this student
1.41      ng       1419:     if ($ENV{'form.lastSub'} =~ /^(lastonly|hdgrade)$/) {
                   1420: 	if ($ENV{'form.'.$uname.':'.$udom.':submitted_by'}) {
1.44      ng       1421: 	    my $submitby=''.
1.41      ng       1422: 		'<b>Collaborative submission by: </b>'.
1.44      ng       1423: 		'<a href="javascript:viewSubmitter(\''.
                   1424: 		$ENV{'form.'.$uname.':'.$udom.':submitted_by'}.
1.41      ng       1425: 		'\')"; TARGET=_self>'.
                   1426: 		$$fullname{$ENV{'form.'.$uname.':'.$udom.':submitted_by'}}.'</a>';
                   1427: 	    $request->print($submitby);
                   1428: 	} else {
1.119     ng       1429: 	    my ($string,$timestamp)= &get_last_submission (\%record);
1.71      ng       1430: 	    my $lastsubonly=''.
1.44      ng       1431: 		($$timestamp eq '' ? '' : '<b>Date Submitted:</b> '.
1.118     ng       1432: 		 $$timestamp)."</td></tr>\n";
1.41      ng       1433: 	    if ($$timestamp eq '') {
1.118     ng       1434: 		$lastsubonly.='<tr><td bgcolor="#ffffe6">'.$$string[0]; 
1.41      ng       1435: 	    } else {
                   1436: 		for my $part (sort keys(%$handgrade)) {
1.118     ng       1437: 		    my ($responsetype,$foo) = split(/:/,$$handgrade{$part});
                   1438: 		    my ($partid,$respid) = split(/_/,$part);
                   1439: 		    if (!exists($record{'resource.'.$partid.'.'.$respid.'.submission'})) {
                   1440: 			$lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
                   1441: 			    $partid.'</b> <font color="#999999">( ID '.$respid.
1.125     ng       1442: 			    ' )</font>&nbsp; &nbsp;'.
                   1443: 			    '<font color="red">Nothing submitted - no attempts</font><br /><br />';
1.118     ng       1444:  		    } else {
                   1445: 			foreach (@$string) {
                   1446: 			    my ($partid,$respid) = /^resource\.(\w+)\.(\w+)\.submission/;
                   1447: 			    if ($part eq ($partid.'_'.$respid)) {
                   1448: 				my ($ressub,$subval) = split(/:/,$_,2);
                   1449:                             # Similarity check
                   1450: 				my $similar='';
                   1451: 				my ($oname,$odom,$ocrsid,$oessay,$osim)=&most_similar($uname,$udom,$subval);
                   1452: 				if ($osim) {
                   1453: 				    $osim=int($osim*100.0);
                   1454: 				    $similar='<hr /><h3><font color="#FF0000">Essay is '.$osim.
                   1455: 					'% similar to an essay by '.&Apache::loncommon::plainname($oname,$odom).
                   1456: 					'</font></h3><blockquote><i>'.
                   1457: 					&keywords_highlight($oessay).'</i></blockquote><hr />';
                   1458: 				}
                   1459: 				$lastsubonly.='<tr><td bgcolor="#ffffe6"><b>Part '.
                   1460: 				    $partid.'</b> <font color="#999999">( ID '.$respid.
                   1461: 				    ' )</font>&nbsp; &nbsp;'.
                   1462: 				    ($record{"resource.$partid.$respid.uploadedurl"}?
                   1463: 				     '<a href="'.
                   1464: 				     &Apache::lonnet::tokenwrapper($record{"resource.$partid.$respid.uploadedurl"}).
                   1465: 				     '"><img src="/adm/lonIcons/unknown.gif" border=0"> File uploaded by student</a> '.
                   1466: 				     '<font color="red" size="1">Like all files provided by users, '.
                   1467: 				     'this file may contain virusses</font><br />':'').
1.126     ng       1468: 				     '<b>Submitted Answer: </b>'.
1.122     ng       1469: 				     &cleanRecord($subval,$responsetype,$symb).
1.126     ng       1470: 				      '<br /><br />'.$similar."\n"
1.118     ng       1471: 				     if ($ENV{'form.lastSub'} eq 'lastonly' || 
                   1472: 					 ($ENV{'form.lastSub'} eq 'hdgrade' && 
                   1473: 					  $$handgrade{$part} =~ /:yes$/));
                   1474: 			    }
1.41      ng       1475: 			}
                   1476: 		    }
                   1477: 		}
                   1478: 	    }
1.118     ng       1479: 	    $lastsubonly.='</td></tr><tr bgcolor="#ffffff"><td>'."\n";
1.41      ng       1480: 	    $request->print($lastsubonly);
                   1481: 	}
1.122     ng       1482:     } elsif ($ENV{'form.lastSub'} eq 'datesub') {
                   1483: 	my (undef,$responseType,undef,$parts) = &showResourceInfo($url);
                   1484: 	$request->print(&displaySubByDates(\$symb,\%record,$parts,$responseType,$checkIcon));
                   1485:     } elsif ($ENV{'form.lastSub'} =~ /^(last|all)$/) {
1.41      ng       1486: 	$request->print(&Apache::loncommon::get_previous_attempt($symb,$uname,$udom,
1.44      ng       1487: 								 $ENV{'request.course.id'},
                   1488: 								 $last,'.submission',
                   1489: 								 'Apache::grades::keywords_highlight'));
1.41      ng       1490:     }
1.120     ng       1491: 
1.121     ng       1492:     $request->print('<input type="hidden" name="unamedom'.$counter.'" value="'.$uname.':'
                   1493: 	.$udom.'" />'."\n");
1.41      ng       1494:     
1.44      ng       1495:     # return if view submission with no grading option
1.118     ng       1496:     if ($ENV{'form.showgrading'} eq '' || (!&canmodify($usec))) {
1.120     ng       1497: 	my $toGrade.='<input type="button" value="Grade Student" '.
1.121     ng       1498: 	    'onClick="javascript:checksubmit(this.form,\'Grade Student\',\''
                   1499: 	    .$counter.'\');" TARGET=_self> &nbsp;'."\n" if (&canmodify($usec));
1.120     ng       1500: 	$toGrade.='</td></tr></table></td></tr></table></form>'."\n";
                   1501: 	$toGrade.=&show_grading_menu_form($symb,$url) 
1.72      ng       1502: 	    if (($ENV{'form.command'} eq 'submission') || 
                   1503: 		($ENV{'form.command'} eq 'processGroup' && $counter == $total));
1.120     ng       1504: 	$request = print($toGrade);
1.41      ng       1505: 	return;
                   1506:     }
1.33      ng       1507: 
1.121     ng       1508:     # essay grading message center
1.118     ng       1509:     if ($ENV{'form.handgrade'} eq 'yes') {
                   1510: 	my ($lastname,$givenn) = split(/,/,$ENV{'form.fullname'});
                   1511: 	my $msgfor = $givenn.' '.$lastname;
                   1512: 	if (scalar(@col_fullnames) > 0) {
                   1513: 	    my $lastone = pop @col_fullnames;
                   1514: 	    $msgfor .= ', '.(join ', ',@col_fullnames).' and '.$lastone.'.';
                   1515: 	}
                   1516: 	$msgfor =~ s/\'/\\'/g; #' stupid emacs - no! javascript
1.121     ng       1517: 	$result='<input type="hidden" name="includemsg'.$counter.'" value="" />'."\n".
                   1518: 	    '<input type="hidden" name="newmsg'.$counter.'" value="" />'."\n";
                   1519: 	$result.='&nbsp;<a href="javascript:msgCenter(document.SCORE,'.$counter.
1.118     ng       1520: 	    ',\''.$msgfor.'\')"; TARGET=_self>'.
                   1521: 	    'Compose Message to student'.(scalar(@col_fullnames) >= 1 ? 's' : '').'</a> &nbsp;'.
                   1522: 	    '<img src="'.$request->dir_config('lonIconsURL').
                   1523: 	    '/mailbkgrd.gif" width="14" height="10" name="mailicon'.$counter.'" />'."\n".
                   1524: 	    '<br />&nbsp;(Message will be sent when you click on Save & Next below.)'."\n" 
                   1525: 	    if ($ENV{'form.handgrade'} eq 'yes');
1.121     ng       1526: 	$request->print($result);
1.118     ng       1527:     }
1.41      ng       1528: 
                   1529:     my %seen = ();
                   1530:     my @partlist;
                   1531:     for (sort keys(%$handgrade)) {
                   1532: 	my ($partid,$respid) = split(/_/);
                   1533: 	next if ($seen{$partid} > 0);
                   1534: 	$seen{$partid}++;
1.118     ng       1535: 	next if ($$handgrade{$_} =~ /:no$/ && $ENV{'form.lastSub'} =~ /^(hdgrade)$/);
1.41      ng       1536: 	push @partlist,$partid;
                   1537: 
1.71      ng       1538: 	$request->print(&gradeBox($request,$symb,$uname,$udom,$counter,$partid,\%record));
1.41      ng       1539:     }
1.45      ng       1540:     $result='<input type="hidden" name="partlist'.$counter.
                   1541: 	'" value="'.(join ":",@partlist).'" />'."\n";
                   1542:     my $ctr = 0;
                   1543:     while ($ctr < scalar(@partlist)) {
                   1544: 	$result.='<input type="hidden" name="partid'.$counter.'_'.$ctr.'" value="'.
                   1545: 	    $partlist[$ctr].'" />'."\n";
                   1546: 	$ctr++;
                   1547:     }
                   1548:     $request->print($result.'</td></tr></table></td></tr></table>'."\n");
1.41      ng       1549: 
                   1550:     # print end of form
                   1551:     if ($counter == $total) {
1.120     ng       1552: 	my $endform='<table border="0"><tr><td>'."\n";
1.119     ng       1553: 	$endform.='<input type="button" value="Save & Next" '.
                   1554: 	    'onClick="javascript:checksubmit(this.form,\'Save & Next\','.
                   1555: 	    $total.','.scalar(@partlist).');" TARGET=_self> &nbsp;'."\n";
                   1556: 	my $ntstu ='<select name="NTSTU">'.
                   1557: 	    '<option>1</option><option>2</option>'.
                   1558: 	    '<option>3</option><option>5</option>'.
                   1559: 	    '<option>7</option><option>10</option></select>'."\n";
                   1560: 	my $nsel = ($ENV{'form.NTSTU'} ne '' ? $ENV{'form.NTSTU'} : '1');
                   1561: 	$ntstu =~ s/<option>$nsel</<option selected="on">$nsel</;
                   1562: 	$endform.=$ntstu.'student(s) &nbsp;&nbsp;';
1.126     ng       1563: 	$endform.='<input type="button" value="Previous" '.
                   1564: 	    'onClick="javascript:checksubmit(this.form,\'Previous\');" TARGET=_self> &nbsp;'."\n".
                   1565: 	    '<input type="button" value="Next" '.
                   1566: 	    'onClick="javascript:checksubmit(this.form,\'Next\');" TARGET=_self> &nbsp;';
                   1567: 	$endform.='(Next and Previous (student) do not save the scores.)'."\n" ;
1.45      ng       1568: 	$endform.='</td><tr></table></form>';
1.50      albertel 1569: 	$endform.=&show_grading_menu_form($symb,$url);
1.41      ng       1570: 	$request->print($endform);
                   1571:     }
                   1572:     return '';
1.38      ng       1573: }
                   1574: 
1.44      ng       1575: #--- Retrieve the last submission for all the parts
1.38      ng       1576: sub get_last_submission {
1.119     ng       1577:     my ($returnhash)=@_;
1.46      ng       1578:     my (@string,$timestamp);
1.119     ng       1579:     if ($$returnhash{'version'}) {
1.46      ng       1580: 	my %lasthash=();
                   1581: 	my ($version);
1.119     ng       1582: 	for ($version=1;$version<=$$returnhash{'version'};$version++) {
                   1583: 	    foreach (sort(split(/\:/,$$returnhash{$version.':keys'}))) {
                   1584: 		$lasthash{$_}=$$returnhash{$version.':'.$_};
                   1585: 		   $timestamp = scalar(localtime($$returnhash{$version.':timestamp'}));
1.46      ng       1586: 	    }
                   1587: 	}
                   1588: 	foreach ((keys %lasthash)) {
                   1589: 	    if ($_ =~ /\.submission$/) {
                   1590: 		my ($partid,$foo) = split(/submission$/,$_);
                   1591: 		my $draft  = $lasthash{$partid.'awarddetail'} eq 'DRAFT' ?
                   1592: 		    '<font color="red">Draft Copy</font> ' : '';
                   1593: 		push @string, (join(':',$_,$draft.$lasthash{$_}));
1.41      ng       1594: 	    }
                   1595: 	}
                   1596:     }
1.125     ng       1597:     @string = $string[0] eq '' ? '<font color="red">Nothing submitted - no attempts.</font>' : @string;
1.46      ng       1598:     return \@string,\$timestamp;
1.38      ng       1599: }
1.35      ng       1600: 
1.44      ng       1601: #--- High light keywords, with style choosen by user.
1.38      ng       1602: sub keywords_highlight {
1.44      ng       1603:     my $string    = shift;
                   1604:     my $size      = $ENV{'form.kwsize'} eq '0' ? '' : 'size='.$ENV{'form.kwsize'};
                   1605:     my $styleon   = $ENV{'form.kwstyle'} eq ''  ? '' : $ENV{'form.kwstyle'};
1.41      ng       1606:     (my $styleoff = $styleon) =~ s/\</\<\//;
1.44      ng       1607:     my @keylist   = split(/[,\s+]/,$ENV{'form.keywords'});
1.41      ng       1608:     foreach (@keylist) {
1.119     ng       1609: 	$string =~ s/\b\Q$_\E(\b|\.)/<font color\=$ENV{'form.kwclr'} $size\>$styleon$_$styleoff<\/font>/gi;
1.41      ng       1610:     }
                   1611:     return $string;
1.38      ng       1612: }
1.36      ng       1613: 
1.44      ng       1614: #--- Called from submission routine
1.38      ng       1615: sub processHandGrade {
1.41      ng       1616:     my ($request) = shift;
                   1617:     my $url    = $ENV{'form.url'};
                   1618:     my $symb   = $ENV{'form.symb'};
                   1619:     my $button = $ENV{'form.gradeOpt'};
                   1620:     my $ngrade = $ENV{'form.NCT'};
                   1621:     my $ntstu  = $ENV{'form.NTSTU'};
1.44      ng       1622:     if ($button eq 'Save & Next') {
                   1623: 	my $ctr = 0;
                   1624: 	while ($ctr < $ngrade) {
                   1625: 	    my ($uname,$udom) = split(/:/,$ENV{'form.unamedom'.$ctr});
1.77      ng       1626: 	    my ($errorflag,$pts,$wgt) = &saveHandGrade($request,$url,$symb,$uname,$udom,$ctr);
1.71      ng       1627: 	    if ($errorflag eq 'no_score') {
                   1628: 		$ctr++;
                   1629: 		next;
                   1630: 	    }
1.104     albertel 1631: 	    if ($errorflag eq 'not_allowed') {
                   1632: 		$request->print("<font color=\"red\">Not allowed to modify grades for $uname:$udom</font>");
                   1633: 		$ctr++;
                   1634: 		next;
                   1635: 	    }
1.44      ng       1636: 	    my $includemsg = $ENV{'form.includemsg'.$ctr};
                   1637: 	    my ($subject,$message,$msgstatus) = ('','','');
1.62      albertel 1638: 	    if ($includemsg =~ /savemsg|newmsg\Q$ctr\E/) {
1.44      ng       1639: 		$subject = $ENV{'form.msgsub'} if ($includemsg =~ /^msgsub/);
                   1640: 		my (@msgnum) = split(/,/,$includemsg);
                   1641: 		foreach (@msgnum) {
                   1642: 		    $message.=$ENV{'form.'.$_} if ($_ =~ /savemsg|newmsg/ && $_ ne '');
                   1643: 		}
1.80      ng       1644: 		$message =&Apache::lonfeedback::clear_out_html($message);
1.77      ng       1645: 		$message.="\n\nPoint".($pts > 1 ? 's':'').' awarded = '.$pts.' out of '.$wgt;
1.80      ng       1646: 		$message.=" for <a href=\"".
                   1647: 		    &Apache::lonnet::clutter($url).
                   1648: 		    "?symb=$symb\">$ENV{'form.probTitle'}</a>";
1.44      ng       1649: 		$msgstatus = &Apache::lonmsg::user_normal_msg ($uname,$udom,
                   1650: 							       $ENV{'form.msgsub'},$message);
                   1651: 	    }
                   1652: 	    if ($ENV{'form.collaborator'.$ctr}) {
                   1653: 		my (@collaborators) = split(/:/,$ENV{'form.collaborator'.$ctr});
                   1654: 		foreach (@collaborators) {
1.119     ng       1655: 		    my ($errorflag,$pts,$wgt) = 
                   1656: 			&saveHandGrade($request,$url,$symb,$_,$udom,$ctr,$ENV{'form.unamedom'.$ctr});
1.104     albertel 1657: 		    if ($errorflag eq 'not_allowed') {
                   1658: 			$request->print("<font color=\"red\">Not allowed to modify grades for $_:$udom</font>");
                   1659: 			next;
                   1660: 		    } else {
                   1661: 			if ($message ne '') {
                   1662: 			    $msgstatus = &Apache::lonmsg::user_normal_msg ($_,$udom,
                   1663: 									   $ENV{'form.msgsub'},
                   1664: 									   $message);
                   1665: 			}
1.44      ng       1666: 		    }
                   1667: 		}
                   1668: 	    }
                   1669: 	    $ctr++;
                   1670: 	}
                   1671:     }
                   1672: 
1.119     ng       1673:     if ($ENV{'form.handgrade'} eq 'yes') {
                   1674: 	# Keywords sorted in alphabatical order
                   1675: 	my $loginuser = $ENV{'user.name'}.':'.$ENV{'user.domain'};
                   1676: 	my %keyhash = ();
                   1677: 	$ENV{'form.keywords'}           =~ s/,\s{0,}|\s+/ /g;
                   1678: 	$ENV{'form.keywords'}           =~ s/^\s+|\s+$//;
                   1679: 	my (@keywords) = sort(split(/\s+/,$ENV{'form.keywords'}));
                   1680: 	$ENV{'form.keywords'} = join(' ',@keywords);
                   1681: 	$keyhash{$symb.'_keywords'}     = $ENV{'form.keywords'};
                   1682: 	$keyhash{$symb.'_subject'}      = $ENV{'form.msgsub'};
                   1683: 	$keyhash{$loginuser.'_kwclr'}   = $ENV{'form.kwclr'};
                   1684: 	$keyhash{$loginuser.'_kwsize'}  = $ENV{'form.kwsize'};
                   1685: 	$keyhash{$loginuser.'_kwstyle'} = $ENV{'form.kwstyle'};
                   1686: 
                   1687: 	# message center - Order of message gets changed. Blank line is eliminated.
                   1688: 	# New messages are saved in ENV for the next student.
                   1689: 	# All messages are saved in nohist_handgrade.db
                   1690: 	my ($ctr,$idx) = (1,1);
                   1691: 	while ($ctr <= $ENV{'form.savemsgN'}) {
                   1692: 	    if ($ENV{'form.savemsg'.$ctr} ne '') {
                   1693: 		$keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.savemsg'.$ctr};
                   1694: 		$idx++;
                   1695: 	    }
                   1696: 	    $ctr++;
1.41      ng       1697: 	}
1.119     ng       1698: 	$ctr = 0;
                   1699: 	while ($ctr < $ngrade) {
                   1700: 	    if ($ENV{'form.newmsg'.$ctr} ne '') {
                   1701: 		$keyhash{$symb.'_savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
                   1702: 		$ENV{'form.savemsg'.$idx} = $ENV{'form.newmsg'.$ctr};
                   1703: 		$idx++;
                   1704: 	    }
                   1705: 	    $ctr++;
1.41      ng       1706: 	}
1.119     ng       1707: 	$ENV{'form.savemsgN'} = --$idx;
                   1708: 	$keyhash{$symb.'_savemsgN'} = $ENV{'form.savemsgN'};
                   1709: 	my $putresult = &Apache::lonnet::put
                   1710: 	    ('nohist_handgrade',\%keyhash,
                   1711: 	     $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                   1712: 	     $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
1.41      ng       1713:     }
1.44      ng       1714:     # Called by Save & Refresh from Highlight Attribute Window
1.119     ng       1715:     my (undef,undef,$fullname) = &getclasslist($ENV{'form.section'},'1');
1.41      ng       1716:     if ($ENV{'form.refresh'} eq 'on') {
1.86      ng       1717: 	my ($ctr,$total) = (0,0);
                   1718: 	while ($ctr < $ngrade) {
                   1719: 	    $total++ if  $ENV{'form.unamedom'.$ctr} ne '';
                   1720: 	    $ctr++;
                   1721: 	}
1.41      ng       1722: 	$ENV{'form.NTSTU'}=$ngrade;
1.86      ng       1723: 	$ctr = 0;
                   1724: 	while ($ctr < $total) {
                   1725: 	    my $processUser = $ENV{'form.unamedom'.$ctr};
                   1726: 	    ($ENV{'form.student'},$ENV{'form.userdom'}) = split(/:/,$processUser);
                   1727: 	    $ENV{'form.fullname'} = $$fullname{$processUser};
                   1728: 	    &submission($request,$ctr,$total-1);
1.41      ng       1729: 	    $ctr++;
                   1730: 	}
                   1731: 	return '';
                   1732:     }
1.36      ng       1733: 
1.121     ng       1734: # Go directly to grade student - from submission or link from chart page
1.120     ng       1735:     if ($button eq 'Grade Student') {
1.121     ng       1736: 	(undef,undef,$ENV{'form.handgrade'},undef,undef) = &showResourceInfo($url);
1.120     ng       1737: 	my $processUser = $ENV{'form.unamedom'.$ENV{'form.studentNo'}};
                   1738: 	($ENV{'form.student'},$ENV{'form.userdom'}) = split(/:/,$processUser);
                   1739: 	$ENV{'form.fullname'} = $$fullname{$processUser};
                   1740: 	&submission($request,0,0);
                   1741: 	return '';
                   1742:     }
                   1743: 
1.44      ng       1744:     # Get the next/previous one or group of students
1.41      ng       1745:     my $firststu = $ENV{'form.unamedom0'};
                   1746:     my $laststu = $ENV{'form.unamedom'.($ngrade-1)};
1.119     ng       1747:     my $ctr = 2;
1.41      ng       1748:     while ($laststu eq '') {
                   1749: 	$laststu  = $ENV{'form.unamedom'.($ngrade-$ctr)};
                   1750: 	$ctr++;
                   1751: 	$laststu = $firststu if ($ctr > $ngrade);
                   1752:     }
1.44      ng       1753: 
1.41      ng       1754:     my (@parsedlist,@nextlist);
                   1755:     my ($nextflg) = 0;
1.53      albertel 1756:     foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
1.41      ng       1757: 	if ($nextflg == 1 && $button =~ /Next$/) {
                   1758: 	    push @parsedlist,$_;
                   1759: 	}
                   1760: 	$nextflg = 1 if ($_ eq $laststu);
                   1761: 	if ($button eq 'Previous') {
                   1762: 	    last if ($_ eq $firststu);
                   1763: 	    push @parsedlist,$_;
                   1764: 	}
                   1765:     }
                   1766:     $ctr = 0;
1.125     ng       1767:     my ($partlist,$handgrade) = &response_type($ENV{'form.url'},$symb);
1.41      ng       1768:     @parsedlist = reverse @parsedlist if ($button eq 'Previous');
                   1769:     foreach my $student (@parsedlist) {
                   1770: 	my ($uname,$udom) = split(/:/,$student);
                   1771: 	if ($ENV{'form.submitonly'} eq 'yes') {
1.44      ng       1772: 	    my (%status) = &student_gradeStatus($ENV{'form.url'},$symb,$udom,$uname,$partlist) ;
1.41      ng       1773: 	    my $statusflg = '';
                   1774: 	    foreach (keys(%status)) {
                   1775: 		$statusflg = 1 if ($status{$_} ne 'nothing');
1.44      ng       1776: 		my ($foo,$partid,$foo1) = split(/\./);
1.41      ng       1777: 		$statusflg = '' if ($status{'resource.'.$partid.'.submitted_by'} ne '');
                   1778: 	    }
                   1779: 	    next if ($statusflg eq '');
                   1780: 	}
                   1781: 	push @nextlist,$student if ($ctr < $ntstu);
                   1782: 	$ctr++;
                   1783:     }
1.36      ng       1784: 
1.41      ng       1785:     $ctr = 0;
                   1786:     my $total = scalar(@nextlist)-1;
1.39      ng       1787: 
1.41      ng       1788:     foreach (sort @nextlist) {
                   1789: 	my ($uname,$udom,$submitter) = split(/:/);
1.44      ng       1790: 	$ENV{'form.student'}  = $uname;
                   1791: 	$ENV{'form.userdom'}  = $udom;
1.41      ng       1792: 	$ENV{'form.fullname'} = $$fullname{$_};
                   1793: 	&submission($request,$ctr,$total);
                   1794: 	$ctr++;
                   1795:     }
                   1796:     if ($total < 0) {
                   1797: 	my $the_end = '<h3><font color="red">LON-CAPA User Message</font></h3><br />'."\n";
                   1798: 	$the_end.='<b>Message: </b> No more students for this section or class.<br /><br />'."\n";
                   1799: 	$the_end.='Click on the button below to return to the grading menu.<br /><br />'."\n";
                   1800: 	$the_end.=&show_grading_menu_form ($symb,$url);
                   1801: 	$request->print($the_end);
                   1802:     }
                   1803:     return '';
1.38      ng       1804: }
1.36      ng       1805: 
1.44      ng       1806: #---- Save the score and award for each student, if changed
1.38      ng       1807: sub saveHandGrade {
1.41      ng       1808:     my ($request,$url,$symb,$stuname,$domain,$newflg,$submitter) = @_;
1.104     albertel 1809:     my $usec = &Apache::lonnet::getsection($domain,$stuname,
                   1810: 					   $ENV{'request.course.id'});
                   1811:     if (!&canmodify($usec)) { return('not_allowed'); }
1.77      ng       1812:     my %record     = &Apache::lonnet::restore($symb,$ENV{'request.course.id'},$domain,$stuname);
                   1813:     my %newrecord  = ();
                   1814:     my ($pts,$wgt) = ('','');
1.41      ng       1815:     foreach (split(/:/,$ENV{'form.partlist'.$newflg})) {
1.125     ng       1816: 	my $dropMenu = $ENV{'form.GD_SEL'.$newflg.'_'.$_};
                   1817: 	if ($dropMenu eq 'excused') {
1.58      albertel 1818: 	    if ($record{'resource.'.$_.'.solved'} ne 'excused') {
                   1819: 		$newrecord{'resource.'.$_.'.solved'} = 'excused';
                   1820: 		if (exists($record{'resource.'.$_.'.awarded'})) {
                   1821: 		    $newrecord{'resource.'.$_.'.awarded'} = '';
                   1822: 		}
1.125     ng       1823: 	    $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
1.58      albertel 1824: 	    }
1.125     ng       1825: 	} elsif ($dropMenu eq 'reset status'
                   1826: 		 && exists($record{'resource.'.$_.'.solved'})) { #don't bother if no old records -> no attempts
                   1827: 	    $newrecord{'resource.'.$_.'.tries'} = 0;
                   1828: 	    $newrecord{'resource.'.$_.'.solved'} = '';
                   1829: 	    $newrecord{'resource.'.$_.'.award'} = '';
                   1830: 	    $newrecord{'resource.'.$_.'.awarded'} = 0;
                   1831: 	    $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
                   1832: 	} elsif ($dropMenu eq '') {
1.77      ng       1833: 	    $pts = ($ENV{'form.GD_BOX'.$newflg.'_'.$_} ne '' ? 
                   1834: 		    $ENV{'form.GD_BOX'.$newflg.'_'.$_} : 
                   1835: 		    $ENV{'form.RADVAL'.$newflg.'_'.$_});
1.71      ng       1836: 	    return 'no_score' if ($pts eq '' && $ENV{'form.GD_SEL'.$newflg.'_'.$_} eq '');
1.77      ng       1837: 	    $wgt = $ENV{'form.WGT'.$newflg.'_'.$_} eq '' ? 1 : 
1.44      ng       1838: 		$ENV{'form.WGT'.$newflg.'_'.$_};
1.41      ng       1839: 	    my $partial= $pts/$wgt;
1.119     ng       1840: 	    next if ($partial eq $record{'resource.'.$_.'.awarded'}); #do not update score for part if not changed.
1.44      ng       1841: 	    $newrecord{'resource.'.$_.'.awarded'}  = $partial 
                   1842: 		if ($record{'resource.'.$_.'.awarded'} ne $partial);
                   1843: 	    my $reckey = 'resource.'.$_.'.solved';
1.41      ng       1844: 	    if ($partial == 0) {
1.44      ng       1845: 		$newrecord{$reckey} = 'incorrect_by_override' 
                   1846: 		    if ($record{$reckey} ne 'incorrect_by_override');
1.41      ng       1847: 	    } else {
1.44      ng       1848: 		$newrecord{$reckey} = 'correct_by_override' 
                   1849: 		    if ($record{$reckey} ne 'correct_by_override');
1.41      ng       1850: 	    }
1.44      ng       1851: 	    $newrecord{'resource.'.$_.'.submitted_by'} = $submitter 
                   1852: 		if ($submitter && ($record{'resource.'.$_.'.submitted_by'} ne $submitter));
1.122     ng       1853: 	    $newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
1.41      ng       1854: 	}
                   1855:     }
1.44      ng       1856: 
                   1857:     if (scalar(keys(%newrecord)) > 0) {
                   1858: 	&Apache::lonnet::cstore(\%newrecord,$symb,
                   1859: 				$ENV{'request.course.id'},$domain,$stuname);
1.41      ng       1860:     }
1.77      ng       1861:     return '',$pts,$wgt;
1.36      ng       1862: }
1.38      ng       1863: 
1.44      ng       1864: #--------------------------------------------------------------------------------------
                   1865: #
                   1866: #-------------------------- Next few routines handles grading by section or whole class
                   1867: #
                   1868: #--- Javascript to handle grading by section or whole class
1.42      ng       1869: sub viewgrades_js {
                   1870:     my ($request) = shift;
                   1871: 
1.41      ng       1872:     $request->print(<<VIEWJAVASCRIPT);
                   1873: <script type="text/javascript" language="javascript">
1.45      ng       1874:    function writePoint(partid,weight,point) {
1.125     ng       1875: 	var radioButton = document.classgrade["RADVAL_"+partid];
                   1876: 	var textbox = document.classgrade["TEXTVAL_"+partid];
1.42      ng       1877: 	if (point == "textval") {
1.125     ng       1878: 	    point = document.classgrade["TEXTVAL_"+partid].value;
1.109     matthew  1879: 	    if (isNaN(point) || parseFloat(point) < 0) {
                   1880: 		alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
1.42      ng       1881: 		var resetbox = false;
                   1882: 		for (var i=0; i<radioButton.length; i++) {
                   1883: 		    if (radioButton[i].checked) {
                   1884: 			textbox.value = i;
                   1885: 			resetbox = true;
                   1886: 		    }
                   1887: 		}
                   1888: 		if (!resetbox) {
                   1889: 		    textbox.value = "";
                   1890: 		}
                   1891: 		return;
                   1892: 	    }
1.109     matthew  1893: 	    if (parseFloat(point) > parseFloat(weight)) {
                   1894: 		var resp = confirm("You entered a value ("+parseFloat(point)+
1.44      ng       1895: 				   ") greater than the weight for the part. Accept?");
                   1896: 		if (resp == false) {
                   1897: 		    textbox.value = "";
                   1898: 		    return;
                   1899: 		}
                   1900: 	    }
1.42      ng       1901: 	    for (var i=0; i<radioButton.length; i++) {
                   1902: 		radioButton[i].checked=false;
1.109     matthew  1903: 		if (parseFloat(point) == i) {
1.42      ng       1904: 		    radioButton[i].checked=true;
                   1905: 		}
                   1906: 	    }
1.41      ng       1907: 
1.42      ng       1908: 	} else {
1.125     ng       1909: 	    textbox.value = parseFloat(point);
1.42      ng       1910: 	}
1.41      ng       1911: 	for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       1912: 	    var user = document.classgrade["ctr"+i].value;
                   1913: 	    var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   1914: 	    var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   1915: 	    var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.42      ng       1916: 	    if (saveval != "correct") {
                   1917: 		scorename.value = point;
1.43      ng       1918: 		if (selname[0].selected != true) {
                   1919: 		    selname[0].selected = true;
                   1920: 		}
1.42      ng       1921: 	    }
                   1922: 	}
1.125     ng       1923: 	document.classgrade["SELVAL_"+partid][0].selected = true;
1.42      ng       1924:     }
                   1925: 
                   1926:     function writeRadText(partid,weight) {
1.125     ng       1927: 	var selval   = document.classgrade["SELVAL_"+partid];
                   1928: 	var radioButton = document.classgrade["RADVAL_"+partid];
                   1929: 	var textbox = document.classgrade["TEXTVAL_"+partid];
                   1930: 	if (selval[1].selected || selval[2].selected) {
1.42      ng       1931: 	    for (var i=0; i<radioButton.length; i++) {
                   1932: 		radioButton[i].checked=false;
                   1933: 
                   1934: 	    }
                   1935: 	    textbox.value = "";
                   1936: 
                   1937: 	    for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       1938: 		var user = document.classgrade["ctr"+i].value;
                   1939: 		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   1940: 		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   1941: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.42      ng       1942: 		if (saveval != "correct") {
                   1943: 		    scorename.value = "";
1.125     ng       1944: 		    if (selval[1].selected) {
                   1945: 			selname[1].selected = true;
                   1946: 		    } else {
                   1947: 			selname[2].selected = true;
                   1948: 			if (Number(document.classgrade["GD_"+user+"_"+partid+"_tries"].value)) 
                   1949: 			{document.classgrade["GD_"+user+"_"+partid+"_tries"].value = '0';}
                   1950: 		    }
1.42      ng       1951: 		}
                   1952: 	    }
1.43      ng       1953: 	} else {
                   1954: 	    for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       1955: 		var user = document.classgrade["ctr"+i].value;
                   1956: 		var scorename = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   1957: 		var saveval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   1958: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.43      ng       1959: 		if (saveval != "correct") {
1.125     ng       1960: 		    scorename.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
1.43      ng       1961: 		    selname[0].selected = true;
                   1962: 		}
                   1963: 	    }
                   1964: 	}	    
1.42      ng       1965:     }
                   1966: 
                   1967:     function changeSelect(partid,user) {
1.125     ng       1968: 	var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
                   1969: 	var textbox = document.classgrade["GD_"+user+'_'+partid+"_awarded"];
1.44      ng       1970: 	var point  = textbox.value;
1.125     ng       1971: 	var weight = document.classgrade["weight_"+partid].value;
1.44      ng       1972: 
1.109     matthew  1973: 	if (isNaN(point) || parseFloat(point) < 0) {
                   1974: 	    alert("A number equal or greater than 0 is expected. Entered value = "+parseFloat(point));
1.44      ng       1975: 	    textbox.value = "";
                   1976: 	    return;
                   1977: 	}
1.109     matthew  1978: 	if (parseFloat(point) > parseFloat(weight)) {
                   1979: 	    var resp = confirm("You entered a value ("+parseFloat(point)+
1.44      ng       1980: 			       ") greater than the weight of the part. Accept?");
                   1981: 	    if (resp == false) {
                   1982: 		textbox.value = "";
                   1983: 		return;
                   1984: 	    }
                   1985: 	}
1.42      ng       1986: 	selval[0].selected = true;
                   1987:     }
                   1988: 
                   1989:     function changeOneScore(partid,user) {
1.125     ng       1990: 	var selval = document.classgrade["GD_"+user+'_'+partid+"_solved"];
                   1991: 	if (selval[1].selected || selval[2].selected) {
                   1992: 	    document.classgrade["GD_"+user+'_'+partid+"_awarded"].value = "";
                   1993: 	    if (selval[2].selected) {
                   1994: 		document.classgrade["GD_"+user+'_'+partid+"_tries"].value = "0";
                   1995: 	    }
1.42      ng       1996: 	}
                   1997:     }
                   1998: 
                   1999:     function resetEntry(numpart) {
                   2000: 	for (ctpart=0;ctpart<numpart;ctpart++) {
1.125     ng       2001: 	    var partid = document.classgrade["partid_"+ctpart].value;
                   2002: 	    var radioButton = document.classgrade["RADVAL_"+partid];
                   2003: 	    var textbox = document.classgrade["TEXTVAL_"+partid];
                   2004: 	    var selval  = document.classgrade["SELVAL_"+partid];
1.42      ng       2005: 	    for (var i=0; i<radioButton.length; i++) {
                   2006: 		radioButton[i].checked=false;
                   2007: 
                   2008: 	    }
                   2009: 	    textbox.value = "";
                   2010: 	    selval[0].selected = true;
                   2011: 
                   2012: 	    for (i=0;i<document.classgrade.total.value;i++) {
1.125     ng       2013: 		var user = document.classgrade["ctr"+i].value;
                   2014: 		var resetscore = document.classgrade["GD_"+user+"_"+partid+"_awarded"];
                   2015: 		resetscore.value = document.classgrade["GD_"+user+"_"+partid+"_awarded_s"].value;
                   2016: 		var resettries = document.classgrade["GD_"+user+"_"+partid+"_tries"];
                   2017: 		resettries.value = document.classgrade["GD_"+user+"_"+partid+"_tries_s"].value;
                   2018: 		var saveselval   = document.classgrade["GD_"+user+"_"+partid+"_solved_s"].value;
                   2019: 		var selname   = document.classgrade["GD_"+user+"_"+partid+"_solved"];
1.42      ng       2020: 		if (saveselval == "excused") {
1.43      ng       2021: 		    if (selname[1].selected == false) { selname[1].selected = true;}
1.42      ng       2022: 		} else {
1.43      ng       2023: 		    if (selname[0].selected == false) {selname[0].selected = true};
1.42      ng       2024: 		}
                   2025: 	    }
1.41      ng       2026: 	}
1.42      ng       2027:     }
                   2028: 
1.41      ng       2029: </script>
                   2030: VIEWJAVASCRIPT
1.42      ng       2031: }
                   2032: 
1.44      ng       2033: #--- show scores for a section or whole class w/ option to change/update a score
1.42      ng       2034: sub viewgrades {
                   2035:     my ($request) = shift;
                   2036:     &viewgrades_js($request);
1.41      ng       2037: 
                   2038:     my ($symb,$url) = ($ENV{'form.symb'},$ENV{'form.url'}); 
1.45      ng       2039:     my $result='<h3><font color="#339933">Manual Grading</font></h3>';
1.38      ng       2040: 
1.118     ng       2041:     $result.='<font size=+1><b>Current Resource: </b>'.$ENV{'form.probTitle'}.'</font>'."\n";
1.41      ng       2042: 
                   2043:     #view individual student submission form - called using Javascript viewOneStudent
1.45      ng       2044:     $result.=&jscriptNform($url,$symb);
1.41      ng       2045: 
1.44      ng       2046:     #beginning of class grading form
1.41      ng       2047:     $result.= '<form action="/adm/grades" method="post" name="classgrade">'."\n".
1.106     albertel 2048: 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
1.41      ng       2049: 	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
1.38      ng       2050: 	'<input type="hidden" name="command" value="editgrades" />'."\n".
1.72      ng       2051: 	'<input type="hidden" name="section" value="'.$ENV{'form.section'}.'" />'."\n".
1.77      ng       2052: 	'<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n".
1.125     ng       2053: 	'<input type="hidden" name="Status" value="'.$ENV{'form.Status'}.'" />'."\n".
1.72      ng       2054: 	'<input type="hidden" name="probTitle" value="'.$ENV{'form.probTitle'}.'" />'."\n";
                   2055: 
1.126     ng       2056:     my $sectionClass;
1.52      albertel 2057:     if ($ENV{'form.section'} eq 'all') {
1.126     ng       2058: 	$sectionClass='Class </h3>';
1.52      albertel 2059:     } elsif ($ENV{'form.section'} eq 'no') {
1.126     ng       2060: 	$sectionClass='Students in no Section </h3>';
1.52      albertel 2061:     } else {
1.126     ng       2062: 	$sectionClass='Students in Section '.$ENV{'form.section'}.'</h3>';
1.52      albertel 2063:     }
1.126     ng       2064:     $result.='<h3>Assign Common Grade To '.$sectionClass;
1.52      albertel 2065:     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
                   2066: 	'<table border=0><tr bgcolor="#ffffdd"><td>';
1.44      ng       2067:     #radio buttons/text box for assigning points for a section or class.
                   2068:     #handles different parts of a problem
1.125     ng       2069:     my ($partlist,$handgrade) = &response_type($url,$symb);
1.42      ng       2070:     my %weight = ();
                   2071:     my $ctsparts = 0;
1.41      ng       2072:     $result.='<table border="0">';
1.45      ng       2073:     my %seen = ();
1.42      ng       2074:     for (sort keys(%$handgrade)) {
1.54      albertel 2075: 	my ($partid,$respid) = split (/_/,$_,2);
1.45      ng       2076: 	next if $seen{$partid};
                   2077: 	$seen{$partid}++;
1.42      ng       2078: 	my ($responsetype,$handgrade)=split(/:/,$$handgrade{$_});
                   2079: 	my $wgt = &Apache::lonnet::EXT('resource.'.$partid.'.weight',$symb);
                   2080: 	$weight{$partid} = $wgt eq '' ? '1' : $wgt;
                   2081: 
1.44      ng       2082: 	$result.='<input type="hidden" name="partid_'.
                   2083: 	    $ctsparts.'" value="'.$partid.'" />'."\n";
                   2084: 	$result.='<input type="hidden" name="weight_'.
                   2085: 	    $partid.'" value="'.$weight{$partid}.'" />'."\n";
                   2086: 	$result.='<tr><td><b>Part  '.$partid.'&nbsp; &nbsp;Point:</b> </td><td>';
1.42      ng       2087: 	$result.='<table border="0"><tr>';  
1.41      ng       2088: 	my $ctr = 0;
1.42      ng       2089: 	while ($ctr<=$weight{$partid}) { # display radio buttons in a nice table 10 across
                   2090: 	    $result.= '<td><input type="radio" name="RADVAL_'.$partid.'" '.
1.54      albertel 2091: 		'onclick="javascript:writePoint(\''.$partid.'\','.$weight{$partid}.
1.41      ng       2092: 		','.$ctr.')" />'.$ctr."</td>\n";
                   2093: 	    $result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
                   2094: 	    $ctr++;
                   2095: 	}
                   2096: 	$result.='</tr></table>';
1.44      ng       2097: 	$result.= '</td><td><b> or </b><input type="text" name="TEXTVAL_'.
1.54      albertel 2098: 	    $partid.'" size="4" '.'onChange="javascript:writePoint(\''.
                   2099: 		$partid.'\','.$weight{$partid}.',\'textval\')" /> /'.
1.42      ng       2100: 	    $weight{$partid}.' (problem weight)</td>'."\n";
                   2101: 	$result.= '</td><td><select name="SELVAL_'.$partid.'"'.
1.54      albertel 2102: 	    'onChange="javascript:writeRadText(\''.$partid.'\','.
1.59      albertel 2103: 		$weight{$partid}.')"> '.
1.42      ng       2104: 	    '<option selected="on"> </option>'.
1.125     ng       2105: 	    '<option>excused</option>'.
                   2106: 	    '<option>reset status</option></select></td></tr>'."\n";
1.42      ng       2107: 	$ctsparts++;
1.41      ng       2108:     }
1.52      albertel 2109:     $result.='</table>'.'</td></tr></table>'.'</td></tr></table>'."\n".
                   2110: 	'<input type="hidden" name="totalparts" value="'.$ctsparts.'" />';
1.42      ng       2111:     $result.='<input type="button" value="Reset" '.
1.111     ng       2112: 	'onClick="javascript:resetEntry('.$ctsparts.');" TARGET=_self>';
1.41      ng       2113: 
1.44      ng       2114:     #table listing all the students in a section/class
                   2115:     #header of table
1.126     ng       2116:     $result.= '<h3>Assign Grade to Specific Students in '.$sectionClass;
1.42      ng       2117:     $result.= '<table border=0><tr><td bgcolor="#777777">'."\n".
1.126     ng       2118: 	'<table border=0><tr bgcolor="#deffff"><td>&nbsp;<b>No.</b>&nbsp;</td>'.
                   2119: 	'<td>&nbsp;<b>Fullname</b> <font color="#999999">(Username)</font></td>'."\n";
1.41      ng       2120:     my (@parts) = sort(&getpartlist($url));
                   2121:     foreach my $part (@parts) {
                   2122: 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
1.126     ng       2123: 	$display =~ s|^Number of Attempts|Tries<br />|; # makes the column narrower
1.41      ng       2124: 	if  (!$display) { $display = &Apache::lonnet::metadata($url,$part.'.name'); }
                   2125: 	if ($display =~ /^Partial Credit Factor/) {
1.54      albertel 2126: 	    my ($partid) = &split_part_type($part);
1.53      albertel 2127: 	    $result.='<td><b>Score Part '.$partid.'<br />(weight = '.
1.42      ng       2128: 		$weight{$partid}.')</b></td>'."\n";
1.41      ng       2129: 	    next;
                   2130: 	}
1.53      albertel 2131: 	$display =~ s|Problem Status|Grade Status<br />|;
1.41      ng       2132: 	$result.='<td><b>'.$display.'</b></td>'."\n";
                   2133:     }
                   2134:     $result.='</tr>';
1.44      ng       2135: 
1.41      ng       2136:     #get info for each student
1.44      ng       2137:     #list all the students - with points and grade status
1.76      ng       2138:     my (undef,undef,$fullname) = &getclasslist($ENV{'form.section'},'1');
1.41      ng       2139:     my $ctr = 0;
1.53      albertel 2140:     foreach (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
1.90      albertel 2141: 	my $uname = $_;
                   2142: 	$uname=~s/:/_/;
                   2143: 	$result.='<input type="hidden" name="ctr'.$ctr.'" value="'.$uname.'" />'."\n";
1.126     ng       2144: 	$ctr++;
1.41      ng       2145: 	$result.=&viewstudentgrade($url,$symb,$ENV{'request.course.id'},
1.126     ng       2146: 				   $_,$$fullname{$_},\@parts,\%weight,$ctr);
1.41      ng       2147:     }
                   2148:     $result.='</table></td></tr></table>';
                   2149:     $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";
1.126     ng       2150:     $result.='<input type="button" value="Save" '.
1.45      ng       2151: 	'onClick="javascript:submit();" TARGET=_self /></form>'."\n";
1.96      albertel 2152:     if (scalar(%$fullname) eq 0) {
                   2153: 	my $colspan=3+scalar(@parts);
1.116     ng       2154: 	$result='<font color="red">There are no students in section "'.$ENV{'form.section'}.
                   2155: 	    '" with enrollment status "'.$ENV{'form.Status'}.'" to modify or grade.</font>';
1.96      albertel 2156:     }
1.41      ng       2157:     $result.=&show_grading_menu_form($symb,$url);
                   2158:     return $result;
                   2159: }
                   2160: 
1.44      ng       2161: #--- call by previous routine to display each student
1.41      ng       2162: sub viewstudentgrade {
1.126     ng       2163:     my ($$url,$symb,$courseid,$student,$fullname,$parts,$weight,$ctr) = @_;
1.44      ng       2164:     my ($uname,$udom) = split(/:/,$student);
1.90      albertel 2165:     $student=~s/:/_/;
1.44      ng       2166:     my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
1.126     ng       2167:     my $result='<tr bgcolor="#ffffdd"><td align="right">'.$ctr.'&nbsp;</td><td>&nbsp;'.
1.44      ng       2168: 	'<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
1.112     ng       2169: 	'\')"; TARGET=_self>'.$fullname.'</a> '.
                   2170: 	'<font color="#999999">('.$uname.($ENV{'user.domain'} eq $udom ? '' : ':'.$udom).')</font></td>'."\n";
1.63      albertel 2171:     foreach my $apart (@$parts) {
                   2172: 	my ($part,$type) = &split_part_type($apart);
1.41      ng       2173: 	my $score=$record{"resource.$part.$type"};
                   2174: 	if ($type eq 'awarded') {
1.42      ng       2175: 	    my $pts = $score eq '' ? '' : $score*$$weight{$part};
                   2176: 	    $result.='<input type="hidden" name="'.
1.89      albertel 2177: 		'GD_'.$student.'_'.$part.'_awarded_s" value="'.$pts.'" />'."\n";
1.42      ng       2178: 	    $result.='<td align="middle"><input type="text" name="'.
1.89      albertel 2179: 		'GD_'.$student.'_'.$part.'_awarded" '.
                   2180: 		'onChange="javascript:changeSelect(\''.$part.'\',\''.$student.
1.44      ng       2181: 		'\')" value="'.$pts.'" size="4" /></td>'."\n";
1.41      ng       2182: 	} elsif ($type eq 'solved') {
                   2183: 	    my ($status,$foo)=split(/_/,$score,2);
                   2184: 	    $status = 'nothing' if ($status eq '');
1.89      albertel 2185: 	    $result.='<input type="hidden" name="'.'GD_'.$student.'_'.
1.54      albertel 2186: 		$part.'_solved_s" value="'.$status.'" />'."\n";
1.126     ng       2187: 	    $result.='<td align="middle">&nbsp;<select name="'.
1.89      albertel 2188: 		'GD_'.$student.'_'.$part.'_solved" '.
                   2189: 		'onChange="javascript:changeOneScore(\''.$part.'\',\''.$student.'\')" >'."\n";
1.125     ng       2190: 	    $result.= (($status eq 'excused') ? '<option> </option><option selected="on">excused</option>' 
                   2191: 		: '<option selected="on"> </option><option>excused</option>')."\n";
                   2192: 	    $result.='<option>reset status</option>';
1.126     ng       2193: 	    $result.="</select>&nbsp;</td>\n";
1.122     ng       2194: 	} else {
                   2195: 	    $result.='<input type="hidden" name="'.
                   2196: 		'GD_'.$student.'_'.$part.'_'.$type.'_s" value="'.$score.'" />'.
                   2197: 		    "\n";
                   2198: 	    $result.='<td align="middle"><input type="text" name="'.
                   2199: 		'GD_'.$student.'_'.$part.'_'.$type.'" '.
                   2200: 		'value="'.$score.'" size="4" /></td>'."\n";
1.41      ng       2201: 	}
                   2202:     }
                   2203:     $result.='</tr>';
                   2204:     return $result;
1.38      ng       2205: }
                   2206: 
1.44      ng       2207: #--- change scores for all the students in a section/class
                   2208: #    record does not get update if unchanged
1.38      ng       2209: sub editgrades {
1.41      ng       2210:     my ($request) = @_;
                   2211: 
                   2212:     my $symb=$ENV{'form.symb'};
1.43      ng       2213:     my $url =$ENV{'form.url'};
1.45      ng       2214:     my $title='<h3><font color="#339933">Current Grade Status</font></h3>';
1.118     ng       2215:     $title.='<font size=+1><b>Current Resource: </b>'.$ENV{'form.probTitle'}.'</font><br />'."\n";
1.44      ng       2216:     $title.='<font size=+1><b>Section: </b>'.$ENV{'form.section'}.'</font>'."\n";
1.126     ng       2217: 
1.44      ng       2218:     my $result= '<table border="0"><tr><td bgcolor="#777777">'."\n";
1.126     ng       2219:     $result.= '<table border="0"><tr bgcolor="#deffff"><td rowspan=2>&nbsp;<b>No.</b>&nbsp;</td>'.
                   2220: 	'<td rowspan=2>&nbsp;<b>Fullname</b>&nbsp;<font color="#999999">(username)</font></td>'."\n";
1.43      ng       2221: 
                   2222:     my %scoreptr = (
                   2223: 		    'correct'  =>'correct_by_override',
                   2224: 		    'incorrect'=>'incorrect_by_override',
                   2225: 		    'excused'  =>'excused',
                   2226: 		    'ungraded' =>'ungraded_attempted',
                   2227: 		    'nothing'  => '',
                   2228: 		    );
1.56      matthew  2229:     my ($classlist,undef,$fullname) = &getclasslist($ENV{'form.section'},'0');
1.34      ng       2230: 
1.44      ng       2231:     my (@partid);
                   2232:     my %weight = ();
1.54      albertel 2233:     my %columns = ();
1.44      ng       2234:     my ($i,$ctr,$count,$rec_update) = (0,0,0,0);
1.54      albertel 2235: 
                   2236:     my (@parts) = sort(&getpartlist($url));
                   2237:     my $header;
1.44      ng       2238:     while ($ctr < $ENV{'form.totalparts'}) {
                   2239: 	my $partid = $ENV{'form.partid_'.$ctr};
                   2240: 	push @partid,$partid;
                   2241: 	$weight{$partid} = $ENV{'form.weight_'.$partid};
                   2242: 	$ctr++;
1.54      albertel 2243:     }
                   2244:     foreach my $partid (@partid) {
                   2245: 	$header .= '<td align="center">&nbsp;<b>Old Score</b>&nbsp;</td>'.
                   2246: 	    '<td align="center">&nbsp;<b>New Score</b>&nbsp;</td>';
                   2247: 	$columns{$partid}=2;
                   2248: 	foreach my $stores (@parts) {
                   2249: 	    my ($part,$type) = &split_part_type($stores);
                   2250: 	    if ($part !~ m/^\Q$partid\E/) { next;}
                   2251: 	    if ($type eq 'awarded' || $type eq 'solved') { next; }
                   2252: 	    my $display=&Apache::lonnet::metadata($url,$stores.'.display');
                   2253: 	    $display =~ s/\[Part: (\w)+\]//;
1.125     ng       2254: 	    $display =~ s/Number of Attempts/Tries/;
                   2255: 	    $header .= '<td align="center">&nbsp;<b>Old '.$display.'</b>&nbsp;</td>'.
                   2256: 		'<td align="center">&nbsp;<b>New '.$display.'</b>&nbsp;</td>';
1.54      albertel 2257: 	    $columns{$partid}+=2;
                   2258: 	}
                   2259:     }
                   2260:     foreach my $partid (@partid) {
                   2261: 	$result .= '<td colspan="'.$columns{$partid}.
                   2262: 	    '" align="center"><b>Part '.$partid.
1.44      ng       2263: 	    '</b> (Weight = '.$weight{$partid}.')</td>';
1.54      albertel 2264: 
1.44      ng       2265:     }
                   2266:     $result .= '</tr><tr bgcolor="#deffff">';
1.54      albertel 2267:     $result .= $header;
1.44      ng       2268:     $result .= '</tr>'."\n";
1.93      albertel 2269:     my $noupdate;
1.126     ng       2270:     my ($updateCtr,$noupdateCtr) = (1,1);
1.44      ng       2271:     for ($i=0; $i<$ENV{'form.total'}; $i++) {
1.93      albertel 2272: 	my $line;
1.44      ng       2273: 	my $user = $ENV{'form.ctr'.$i};
1.92      albertel 2274: 	my $usercolon = $user;
                   2275: 	$usercolon =~s/_/:/;
                   2276: 	my ($uname,$udom)=split(/_/,$user);
1.44      ng       2277: 	my %newrecord;
                   2278: 	my $updateflag = 0;
1.126     ng       2279: 	$line .= '<td>&nbsp;'.$$fullname{$usercolon}.
                   2280: 	    '&nbsp<font color="#999999">('.$uname.($udom eq $ENV{'user.domain'} ? '' : '$udom').')</font></td>';
1.108     albertel 2281: 	my $usec=$classlist->{"$uname:$udom"}[5];
1.105     albertel 2282: 	if (!&canmodify($usec)) {
1.126     ng       2283: 	    my $numcols=scalar(@partid)*4+2;
1.105     albertel 2284: 	    $noupdate.=$line."<td colspan=\"$numcols\"><font color=\"red\">Not allowed to modify student</font></td></tr>";
                   2285: 	    next;
                   2286: 	}
1.44      ng       2287: 	foreach (@partid) {
1.54      albertel 2288: 	    my $old_aw    = $ENV{'form.GD_'.$user.'_'.$_.'_awarded_s'};
                   2289: 	    my $old_part_pcr = $old_aw/($weight{$_} ne '0' ? $weight{$_}:1);
                   2290: 	    my $old_part  = $old_aw eq '' ? '' : $old_part_pcr;
                   2291: 	    my $old_score = $scoreptr{$ENV{'form.GD_'.$user.'_'.$_.'_solved_s'}};
                   2292: 
                   2293: 	    my $awarded   = $ENV{'form.GD_'.$user.'_'.$_.'_awarded'};
                   2294: 	    my $pcr       = $awarded/($weight{$_} ne '0' ? $weight{$_} : 1);
                   2295: 	    my $partial   = $awarded eq '' ? '' : $pcr;
1.44      ng       2296: 	    my $score;
                   2297: 	    if ($partial eq '') {
1.54      albertel 2298: 		$score = $scoreptr{$ENV{'form.GD_'.$user.'_'.$_.'_solved_s'}};
1.44      ng       2299: 	    } elsif ($partial > 0) {
                   2300: 		$score = 'correct_by_override';
                   2301: 	    } elsif ($partial == 0) {
                   2302: 		$score = 'incorrect_by_override';
                   2303: 	    }
1.125     ng       2304: 	    my $dropMenu = $ENV{'form.GD_'.$user.'_'.$_.'_solved'};
                   2305: 	    $score = 'excused' if (($dropMenu eq 'excused') && ($score ne 'excused'));
                   2306: 
                   2307: 	    if ($dropMenu eq 'reset status' &&
                   2308: 		$old_score ne '') { # ignore if no previous attempts => nothing to reset
                   2309: 		$newrecord{'resource.'.$_.'.tries'} = 0;
                   2310: 		$newrecord{'resource.'.$_.'.solved'} = '';
                   2311: 		$newrecord{'resource.'.$_.'.award'} = '';
                   2312: 		$newrecord{'resource.'.$_.'.awarded'} = 0;
                   2313: 		$newrecord{'resource.'.$_.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
                   2314: 		$updateflag = 1;
                   2315: 	    }
                   2316: 
1.93      albertel 2317: 	    $line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
1.44      ng       2318: 		'<td align="center">'.$awarded.
                   2319: 		($score eq 'excused' ? $score : '').'&nbsp;</td>';
1.5       albertel 2320: 
1.54      albertel 2321: 	    if (!($old_part eq $partial && $old_score eq $score)) {
                   2322: 		$updateflag = 1;
                   2323: 		$newrecord{'resource.'.$_.'.awarded'}  = $partial if $partial ne '';
                   2324: 		$newrecord{'resource.'.$_.'.solved'}   = $score;
                   2325: 		$rec_update++;
                   2326: 	    }
                   2327: 
                   2328: 	    my $partid=$_;
                   2329: 	    foreach my $stores (@parts) {
                   2330: 		my ($part,$type) = &split_part_type($stores);
                   2331: 		if ($part !~ m/^\Q$partid\E/) { next;}
                   2332: 		if ($type eq 'awarded' || $type eq 'solved') { next; }
                   2333: 		my $old_aw    = $ENV{'form.GD_'.$user.'_'.$part.'_'.$type.'_s'};
                   2334: 		my $awarded   = $ENV{'form.GD_'.$user.'_'.$part.'_'.$type};
                   2335: 		if ($awarded ne '' && $awarded ne $old_aw) {
                   2336: 		    $newrecord{'resource.'.$part.'.'.$type}= $awarded;
1.122     ng       2337: 		    $newrecord{'resource.'.$part.'.regrader'}="$ENV{'user.name'}:$ENV{'user.domain'}";
1.54      albertel 2338: 		    $updateflag=1;
                   2339: 		}
1.93      albertel 2340: 		$line .= '<td align="center">'.$old_aw.'&nbsp;</td>'.
1.54      albertel 2341: 		    '<td align="center">'.$awarded.'&nbsp;</td>';
                   2342: 	    }
1.44      ng       2343: 	}
1.93      albertel 2344: 	$line.='</tr>'."\n";
1.44      ng       2345: 	if ($updateflag) {
                   2346: 	    $count++;
                   2347: 	    &Apache::lonnet::cstore(\%newrecord,$symb,$ENV{'request.course.id'},
1.89      albertel 2348: 				    $udom,$uname);
1.126     ng       2349: 	    $result.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$updateCtr.'&nbsp;</td>'.$line;
                   2350: 	    $updateCtr++;
1.93      albertel 2351: 	} else {
1.126     ng       2352: 	    $noupdate.='<tr bgcolor="#ffffde"><td align="right">&nbsp;'.$noupdateCtr.'&nbsp;</td>'.$line;
                   2353: 	    $noupdateCtr++;
1.44      ng       2354: 	}
1.93      albertel 2355:     }
                   2356:     if ($noupdate) {
1.126     ng       2357: #	my $numcols=(scalar(@partid)*(scalar(@parts)-1)*2)+3;
                   2358: 	my $numcols=scalar(@partid)*4+2;
                   2359: 	$result .= '<tr bgcolor="#ffffff"><td align="center" colspan="'.$numcols.'">No Changes Occurred For the Students Below</td></tr>'.$noupdate;
1.44      ng       2360:     }
1.72      ng       2361:     $result .= '</table></td></tr></table>'."\n".
                   2362: 	&show_grading_menu_form ($symb,$url);
1.125     ng       2363:     my $msg = '<br /><b>Number of records updated = '.$rec_update.
1.44      ng       2364: 	' for '.$count.' student'.($count <= 1 ? '' : 's').'.</b><br />'.
                   2365: 	'<b>Total number of students = '.$ENV{'form.total'}.'</b><br />';
                   2366:     return $title.$msg.$result;
1.5       albertel 2367: }
1.54      albertel 2368: 
                   2369: sub split_part_type {
                   2370:     my ($partstr) = @_;
                   2371:     my ($temp,@allparts)=split(/_/,$partstr);
                   2372:     my $type=pop(@allparts);
                   2373:     my $part=join('.',@allparts);
                   2374:     return ($part,$type);
                   2375: }
                   2376: 
1.44      ng       2377: #------------- end of section for handling grading by section/class ---------
                   2378: #
                   2379: #----------------------------------------------------------------------------
                   2380: 
1.5       albertel 2381: 
1.44      ng       2382: #----------------------------------------------------------------------------
                   2383: #
                   2384: #-------------------------- Next few routines handles grading by csv upload
                   2385: #
                   2386: #--- Javascript to handle csv upload
1.27      albertel 2387: sub csvupload_javascript_reverse_associate {
                   2388:   return(<<ENDPICK);
                   2389:   function verify(vf) {
                   2390:     var foundsomething=0;
                   2391:     var founduname=0;
                   2392:     var founddomain=0;
                   2393:     for (i=0;i<=vf.nfields.value;i++) {
                   2394:       tw=eval('vf.f'+i+'.selectedIndex');
                   2395:       if (i==0 && tw!=0) { founduname=1; }
                   2396:       if (i==1 && tw!=0) { founddomain=1; }
                   2397:       if (i!=0 && i!=1 && tw!=0) { foundsomething=1; }
                   2398:     }
                   2399:     if (founduname==0 || founddomain==0) {
                   2400:       alert('You need to specify at both the username and domain');
                   2401:       return;
                   2402:     }
                   2403:     if (foundsomething==0) {
                   2404:       alert('You need to specify at least one grading field');
                   2405:       return;
                   2406:     }
                   2407:     vf.submit();
                   2408:   }
                   2409:   function flip(vf,tf) {
                   2410:     var nw=eval('vf.f'+tf+'.selectedIndex');
                   2411:     var i;
                   2412:     for (i=0;i<=vf.nfields.value;i++) {
                   2413:       //can not pick the same destination field for both name and domain
                   2414:       if (((i ==0)||(i ==1)) && 
                   2415:           ((tf==0)||(tf==1)) && 
                   2416:           (i!=tf) &&
                   2417:           (eval('vf.f'+i+'.selectedIndex')==nw)) {
                   2418:         eval('vf.f'+i+'.selectedIndex=0;')
                   2419:       }
                   2420:     }
                   2421:   }
                   2422: ENDPICK
                   2423: }
                   2424: 
                   2425: sub csvupload_javascript_forward_associate {
                   2426:   return(<<ENDPICK);
                   2427:   function verify(vf) {
                   2428:     var foundsomething=0;
                   2429:     var founduname=0;
                   2430:     var founddomain=0;
                   2431:     for (i=0;i<=vf.nfields.value;i++) {
                   2432:       tw=eval('vf.f'+i+'.selectedIndex');
                   2433:       if (tw==1) { founduname=1; }
                   2434:       if (tw==2) { founddomain=1; }
                   2435:       if (tw>2) { foundsomething=1; }
                   2436:     }
                   2437:     if (founduname==0 || founddomain==0) {
                   2438:       alert('You need to specify at both the username and domain');
                   2439:       return;
                   2440:     }
                   2441:     if (foundsomething==0) {
                   2442:       alert('You need to specify at least one grading field');
                   2443:       return;
                   2444:     }
                   2445:     vf.submit();
                   2446:   }
                   2447:   function flip(vf,tf) {
                   2448:     var nw=eval('vf.f'+tf+'.selectedIndex');
                   2449:     var i;
                   2450:     //can not pick the same destination field twice
                   2451:     for (i=0;i<=vf.nfields.value;i++) {
                   2452:       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
                   2453:         eval('vf.f'+i+'.selectedIndex=0;')
                   2454:       }
                   2455:     }
                   2456:   }
                   2457: ENDPICK
                   2458: }
                   2459: 
1.26      albertel 2460: sub csvuploadmap_header {
1.41      ng       2461:     my ($request,$symb,$url,$datatoken,$distotal)= @_;
                   2462:     my $javascript;
                   2463:     if ($ENV{'form.upfile_associate'} eq 'reverse') {
                   2464: 	$javascript=&csvupload_javascript_reverse_associate();
                   2465:     } else {
                   2466: 	$javascript=&csvupload_javascript_forward_associate();
                   2467:     }
1.45      ng       2468: 
1.122     ng       2469:     my ($result) = &showResourceInfo($url,$ENV{'form.probTitle'});
1.118     ng       2470: 
1.41      ng       2471:     $request->print(<<ENDPICK);
1.26      albertel 2472: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
1.45      ng       2473: <h3><font color="#339933">Uploading Class Grades</font></h3>
                   2474: $result
1.26      albertel 2475: <hr>
                   2476: <h3>Identify fields</h3>
                   2477: Total number of records found in file: $distotal <hr />
                   2478: Enter as many fields as you can. The system will inform you and bring you back
                   2479: to this page if the data selected is insufficient to run your class.<hr />
                   2480: <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
                   2481: <input type="hidden" name="associate"  value="" />
                   2482: <input type="hidden" name="phase"      value="three" />
                   2483: <input type="hidden" name="datatoken"  value="$datatoken" />
                   2484: <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
                   2485: <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
                   2486: <input type="hidden" name="upfile_associate" 
                   2487:                                        value="$ENV{'form.upfile_associate'}" />
                   2488: <input type="hidden" name="symb"       value="$symb" />
                   2489: <input type="hidden" name="url"        value="$url" />
1.77      ng       2490: <input type="hidden" name="saveState"  value="$ENV{'form.saveState'}" />
1.72      ng       2491: <input type="hidden" name="probTitle"  value="$ENV{'form.probTitle'}" />
1.26      albertel 2492: <input type="hidden" name="command"    value="csvuploadassign" />
                   2493: <hr />
                   2494: <script type="text/javascript" language="Javascript">
                   2495: $javascript
                   2496: </script>
                   2497: ENDPICK
1.118     ng       2498:     $request->print(&show_grading_menu_form($symb,$url));
                   2499:     return '';
1.26      albertel 2500: 
                   2501: }
                   2502: 
                   2503: sub csvupload_fields {
1.41      ng       2504:     my ($url) = @_;
                   2505:     my (@parts) = &getpartlist($url);
                   2506:     my @fields=(['username','Student Username'],['domain','Student Domain']);
                   2507:     foreach my $part (sort(@parts)) {
                   2508: 	my @datum;
                   2509: 	my $display=&Apache::lonnet::metadata($url,$part.'.display');
                   2510: 	my $name=$part;
                   2511: 	if  (!$display) { $display = $name; }
                   2512: 	@datum=($name,$display);
                   2513: 	push(@fields,\@datum);
                   2514:     }
                   2515:     return (@fields);
1.26      albertel 2516: }
                   2517: 
                   2518: sub csvuploadmap_footer {
1.41      ng       2519:     my ($request,$i,$keyfields) =@_;
                   2520:     $request->print(<<ENDPICK);
1.26      albertel 2521: </table>
                   2522: <input type="hidden" name="nfields" value="$i" />
                   2523: <input type="hidden" name="keyfields" value="$keyfields" />
                   2524: <input type="button" onClick="javascript:verify(this.form)" value="Assign Grades" /><br />
                   2525: </form>
                   2526: ENDPICK
                   2527: }
                   2528: 
1.86      ng       2529: sub upcsvScores_form {
                   2530:     my ($request) = shift;
                   2531:     my ($symb,$url)=&get_symb_and_url($request);
                   2532:     if (!$symb) {return '';}
                   2533:     my $result =<<CSVFORMJS;
                   2534: <script type="text/javascript" language="javascript">
                   2535:     function checkUpload(formname) {
                   2536: 	if (formname.upfile.value == "") {
                   2537: 	    alert("Please use the browse button to select a file from your local directory.");
                   2538: 	    return false;
                   2539: 	}
                   2540: 	formname.submit();
                   2541:     }
                   2542:     </script>
                   2543: CSVFORMJS
                   2544:     $ENV{'form.probTitle'} = &Apache::lonnet::gettitle($symb);
1.118     ng       2545:     my ($table) = &showResourceInfo($url,$ENV{'form.probTitle'});
                   2546:     $result.=$table;
1.86      ng       2547:     $result.='<br /><table width=100% border=0><tr><td bgcolor="#777777">'."\n";
                   2548:     $result.='<table width=100% border=0><tr bgcolor="#e6ffff"><td>'."\n";
1.118     ng       2549:     $result.='&nbsp;<b>Specify a file containing the class scores for current resource'.
1.86      ng       2550: 	'.</b></td></tr>'."\n";
                   2551:     $result.='<tr bgcolor=#ffffe6><td>'."\n";
                   2552:     my $upfile_select=&Apache::loncommon::upfile_select_html();
                   2553:     $result.=<<ENDUPFORM;
1.106     albertel 2554: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="gradesupload">
1.86      ng       2555: <input type="hidden" name="symb" value="$symb" />
                   2556: <input type="hidden" name="url" value="$url" />
                   2557: <input type="hidden" name="command" value="csvuploadmap" />
                   2558: <input type="hidden" name="probTitle" value="$ENV{'form.probTitle'}" />
                   2559: <input type="hidden" name="saveState"  value="$ENV{'form.saveState'}" />
                   2560: $upfile_select
                   2561: <br /><input type="button" onClick="javascript:checkUpload(this.form);" value="Upload Scores" />
                   2562: 
                   2563: </form>
                   2564: ENDUPFORM
                   2565:     $result.='</td></tr></table>'."\n";
                   2566:     $result.='</td></tr></table><br /><br />'."\n";
                   2567:     $result.=&show_grading_menu_form($symb,$url);
                   2568:     return $result;
                   2569: }
                   2570: 
                   2571: 
1.26      albertel 2572: sub csvuploadmap {
1.41      ng       2573:     my ($request)= @_;
                   2574:     my ($symb,$url)=&get_symb_and_url($request);
                   2575:     if (!$symb) {return '';}
1.72      ng       2576: 
1.41      ng       2577:     my $datatoken;
                   2578:     if (!$ENV{'form.datatoken'}) {
                   2579: 	$datatoken=&Apache::loncommon::upfile_store($request);
1.26      albertel 2580:     } else {
1.41      ng       2581: 	$datatoken=$ENV{'form.datatoken'};
                   2582: 	&Apache::loncommon::load_tmp_file($request);
1.26      albertel 2583:     }
1.41      ng       2584:     my @records=&Apache::loncommon::upfile_record_sep();
                   2585:     &csvuploadmap_header($request,$symb,$url,$datatoken,$#records+1);
                   2586:     my ($i,$keyfields);
                   2587:     if (@records) {
                   2588: 	my @fields=&csvupload_fields($url);
1.45      ng       2589: 
1.41      ng       2590: 	if ($ENV{'form.upfile_associate'} eq 'reverse') {	
                   2591: 	    &Apache::loncommon::csv_print_samples($request,\@records);
                   2592: 	    $i=&Apache::loncommon::csv_print_select_table($request,\@records,
                   2593: 							  \@fields);
                   2594: 	    foreach (@fields) { $keyfields.=$_->[0].','; }
                   2595: 	    chop($keyfields);
                   2596: 	} else {
                   2597: 	    unshift(@fields,['none','']);
                   2598: 	    $i=&Apache::loncommon::csv_samples_select_table($request,\@records,
                   2599: 							    \@fields);
                   2600: 	    my %sone=&Apache::loncommon::record_sep($records[0]);
                   2601: 	    $keyfields=join(',',sort(keys(%sone)));
                   2602: 	}
                   2603:     }
                   2604:     &csvuploadmap_footer($request,$i,$keyfields);
1.72      ng       2605:     $request->print(&show_grading_menu_form($symb,$url));
                   2606: 
1.41      ng       2607:     return '';
1.27      albertel 2608: }
                   2609: 
                   2610: sub csvuploadassign {
1.41      ng       2611:     my ($request)= @_;
                   2612:     my ($symb,$url)=&get_symb_and_url($request);
                   2613:     if (!$symb) {return '';}
                   2614:     &Apache::loncommon::load_tmp_file($request);
1.44      ng       2615:     my @gradedata = &Apache::loncommon::upfile_record_sep();
1.41      ng       2616:     my @keyfields = split(/\,/,$ENV{'form.keyfields'});
                   2617:     my %fields=();
                   2618:     for (my $i=0; $i<=$ENV{'form.nfields'}; $i++) {
                   2619: 	if ($ENV{'form.upfile_associate'} eq 'reverse') {
                   2620: 	    if ($ENV{'form.f'.$i} ne 'none') {
                   2621: 		$fields{$keyfields[$i]}=$ENV{'form.f'.$i};
                   2622: 	    }
                   2623: 	} else {
                   2624: 	    if ($ENV{'form.f'.$i} ne 'none') {
                   2625: 		$fields{$ENV{'form.f'.$i}}=$keyfields[$i];
                   2626: 	    }
                   2627: 	}
1.27      albertel 2628:     }
1.41      ng       2629:     $request->print('<h3>Assigning Grades</h3>');
                   2630:     my $courseid=$ENV{'request.course.id'};
1.97      albertel 2631:     my ($classlist) = &getclasslist('all',0);
1.106     albertel 2632:     my @notallowed;
1.41      ng       2633:     my @skipped;
                   2634:     my $countdone=0;
                   2635:     foreach my $grade (@gradedata) {
                   2636: 	my %entries=&Apache::loncommon::record_sep($grade);
                   2637: 	my $username=$entries{$fields{'username'}};
                   2638: 	my $domain=$entries{$fields{'domain'}};
                   2639: 	if (!exists($$classlist{"$username:$domain"})) {
                   2640: 	    push(@skipped,"$username:$domain");
                   2641: 	    next;
                   2642: 	}
1.108     albertel 2643: 	my $usec=$classlist->{"$username:$domain"}[5];
1.106     albertel 2644: 	if (!&canmodify($usec)) {
                   2645: 	    push(@notallowed,"$username:$domain");
                   2646: 	    next;
                   2647: 	}
1.41      ng       2648: 	my %grades;
                   2649: 	foreach my $dest (keys(%fields)) {
                   2650: 	    if ($dest eq 'username' || $dest eq 'domain') { next; }
                   2651: 	    if ($entries{$fields{$dest}} eq '') { next; }
                   2652: 	    my $store_key=$dest;
                   2653: 	    $store_key=~s/^stores/resource/;
                   2654: 	    $store_key=~s/_/\./g;
                   2655: 	    $grades{$store_key}=$entries{$fields{$dest}};
                   2656: 	}
                   2657: 	$grades{"resource.regrader"}="$ENV{'user.name'}:$ENV{'user.domain'}";
                   2658: 	&Apache::lonnet::cstore(\%grades,$symb,$ENV{'request.course.id'},
                   2659: 				$domain,$username);
                   2660: 	$request->print('.');
                   2661: 	$request->rflush();
                   2662: 	$countdone++;
                   2663:     }
                   2664:     $request->print("<br />Stored $countdone students\n");
                   2665:     if (@skipped) {
1.106     albertel 2666: 	$request->print('<p<font size="+1"><b>Skipped Students</b></font></p>');
                   2667: 	foreach my $student (@skipped) { $request->print("$student<br />\n"); }
                   2668:     }
                   2669:     if (@notallowed) {
                   2670: 	$request->print('<p><font size="+1" color="red"><b>Students Not Allowed to Modify</b></font></p>');
                   2671: 	foreach my $student (@notallowed) { $request->print("$student<br />\n"); }
1.41      ng       2672:     }
1.106     albertel 2673:     $request->print("<br />\n");
1.41      ng       2674:     $request->print(&show_grading_menu_form($symb,$url));
                   2675:     return '';
1.26      albertel 2676: }
1.44      ng       2677: #------------- end of section for handling csv file upload ---------
                   2678: #
                   2679: #-------------------------------------------------------------------
                   2680: #
1.122     ng       2681: #-------------- Next few routines handle grading by page/sequence
1.72      ng       2682: #
                   2683: #--- Select a page/sequence and a student to grade
1.68      ng       2684: sub pickStudentPage {
                   2685:     my ($request) = shift;
                   2686: 
                   2687:     $request->print(<<LISTJAVASCRIPT);
                   2688: <script type="text/javascript" language="javascript">
                   2689: 
                   2690: function checkPickOne(formname) {
1.76      ng       2691:     if (radioSelection(formname.student) == null) {
1.68      ng       2692: 	alert("Please select the student you wish to grade.");
                   2693: 	return;
                   2694:     }
1.125     ng       2695:     ptr = pullDownSelection(formname.selectpage);
                   2696:     formname.page.value = formname["page"+ptr].value;
                   2697:     formname.title.value = formname["title"+ptr].value;
1.68      ng       2698:     formname.submit();
                   2699: }
                   2700: 
                   2701: </script>
                   2702: LISTJAVASCRIPT
1.118     ng       2703:     &commonJSfunctions($request);
1.72      ng       2704:     my ($symb,$url) = &get_symb_and_url($request);
1.68      ng       2705:     my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
                   2706:     my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
                   2707:     my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
                   2708: 
                   2709:     my $result='<h3><font color="#339933">&nbsp;'.
                   2710: 	'Manual Grading by Page or Sequence</font></h3>';
                   2711: 
1.80      ng       2712:     $result.='<form action="/adm/grades" method="post" name="displayPage">'."\n";
1.70      ng       2713:     $result.='&nbsp;<b>Problems from:</b> <select name="selectpage">'."\n";
1.74      albertel 2714:     my ($titles,$symbx) = &getSymbMap($request);
1.71      ng       2715:     my ($curpage,$type,$mapId) = ($symb =~ /(.*?\.(page|sequence))___(\d+)___/); 
1.70      ng       2716:     my $ctr=0;
1.68      ng       2717:     foreach (@$titles) {
                   2718: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
1.70      ng       2719: 	$result.='<option value="'.$ctr.'" '.
1.71      ng       2720: 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="on"' : '').
                   2721: 	    '>'.$showtitle.'</option>'."\n";
1.70      ng       2722: 	$ctr++;
1.68      ng       2723:     }
                   2724:     $result.= '</select>'."<br>\n";
1.70      ng       2725:     $ctr=0;
                   2726:     foreach (@$titles) {
                   2727: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
                   2728: 	$result.='<input type="hidden" name="page'.$ctr.'" value="'.$$symbx{$_}.'" />'."\n";
                   2729: 	$result.='<input type="hidden" name="title'.$ctr.'" value="'.$showtitle.'" />'."\n";
                   2730: 	$ctr++;
                   2731:     }
1.72      ng       2732:     $result.='<input type="hidden" name="page" />'."\n".
                   2733: 	'<input type="hidden" name="title" />'."\n";
1.68      ng       2734: 
1.116     ng       2735:     $result.='&nbsp;<b>View Problems Text: </b><input type="radio" name="vProb" value="no" checked /> no '."\n".
1.71      ng       2736: 	'<input type="radio" name="vProb" value="yes" /> yes '."<br>\n";
1.72      ng       2737: 
1.71      ng       2738:     $result.='&nbsp;<b>Submission Details: </b>'.
                   2739: 	'<input type="radio" name="lastSub" value="none" /> none'."\n".
1.122     ng       2740: 	'<input type="radio" name="lastSub" value="datesub" checked /> by dates and submissions'."\n".
1.71      ng       2741: 	'<input type="radio" name="lastSub" value="all" /> all details'."\n";
1.72      ng       2742: 
1.68      ng       2743:     $result.='<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
1.118     ng       2744: 	'<input type="hidden" name="Status"  value="'.$ENV{'form.Status'}.'" />'."\n".
1.72      ng       2745: 	'<input type="hidden" name="command" value="displayPage" />'."\n".
                   2746: 	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
1.80      ng       2747: 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
                   2748: 	'<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."<br />\n";
1.72      ng       2749: 
1.80      ng       2750:     $result.='&nbsp;<input type="button" '.
1.126     ng       2751: 	'onClick="javascript:checkPickOne(this.form);"value="Next->" /><br />'."\n";
1.72      ng       2752: 
1.68      ng       2753:     $request->print($result);
                   2754: 
1.126     ng       2755:     my $studentTable.='&nbsp;<b>Select a student you wish to grade and then click on the Next button.</b><br>'.
1.68      ng       2756: 	'<table border="0"><tr><td bgcolor="#777777">'.
                   2757: 	'<table border="0"><tr bgcolor="#e6ffff">'.
1.126     ng       2758: 	'<td align="right">&nbsp;<b>No.</b></td>'.
1.68      ng       2759: 	'<td><b>&nbsp;Fullname <font color="#999999">(username)</font></b></td>'.
1.126     ng       2760: 	'<td align="right">&nbsp;<b>No.</b></td>'.
1.68      ng       2761: 	'<td><b>&nbsp;Fullname <font color="#999999">(username)</font></b></td></tr>';
                   2762:  
1.76      ng       2763:     my (undef,undef,$fullname) = &getclasslist($getsec,'1');
1.68      ng       2764:     my $ptr = 1;
                   2765:     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
                   2766: 	my ($uname,$udom) = split(/:/,$student);
1.126     ng       2767: 	$studentTable.=($ptr%2 == 1 ? '<tr bgcolor="#ffffe6">' : '</td>');
                   2768: 	$studentTable.='<td align="right">'.$ptr.'&nbsp;</td>';
                   2769: 	$studentTable.='<td>&nbsp;<input type="radio" name="student" value="'.$student.'" /> '.$$fullname{$student}.
1.68      ng       2770: 	    '<font color="#999999"> ('.$uname.($udom eq $cdom ? '':':'.$udom).')</font>'."\n";
1.126     ng       2771: 	$studentTable.=($ptr%2 == 0 ? '</td></tr>' : '');
1.68      ng       2772: 	$ptr++;
                   2773:     }
1.126     ng       2774:     $studentTable.='</td><td>&nbsp;</td><td>&nbsp;' if ($ptr%2 == 0);
1.68      ng       2775:     $studentTable.='</td></tr></table></td></tr></table>'."\n";
1.126     ng       2776:     $studentTable.='<input type="button" '.
                   2777: 	'onClick="javascript:checkPickOne(this.form);"value="Next->" /></form>'."\n";
1.68      ng       2778: 
                   2779:     $studentTable.=&show_grading_menu_form($symb,$url);
                   2780:     $request->print($studentTable);
                   2781: 
                   2782:     return '';
                   2783: }
                   2784: 
                   2785: sub getSymbMap {
1.74      albertel 2786:     my ($request) = @_;
1.79      bowersj2 2787:     my $navmap = Apache::lonnavmaps::navmap-> new($ENV{'request.course.fn'}.'.db',
1.117     bowersj2 2788: 						  $ENV{'request.course.fn'}.'_parms.db');
1.68      ng       2789:     $navmap->init();
                   2790: 
                   2791:     my %symbx = ();
                   2792:     my @titles = ();
1.117     bowersj2 2793:     my $minder = 0;
                   2794: 
                   2795:     # Gather every sequence that has problems.
                   2796:     my @sequences = $navmap->retrieveResources(undef, sub { shift->is_map(); }, 1);
                   2797:     for my $sequence ($navmap->getById('0.0'), @sequences) {
                   2798: 	if ($navmap->hasResource($sequence, sub { shift->is_problem(); }, 0) ) {
                   2799: 	    my $title = $minder.'.'.$sequence->compTitle();
                   2800: 	    push @titles, $title; # minder in case two titles are identical
                   2801: 	    $symbx{$title} = $sequence->symb();
                   2802: 	    $minder++;
                   2803: 	}
1.68      ng       2804:     }
                   2805: 
                   2806:     $navmap->untieHashes();
                   2807:     return \@titles,\%symbx;
                   2808: }
                   2809: 
1.72      ng       2810: #
                   2811: #--- Displays a page/sequence w/wo problems, w/wo submissions
1.68      ng       2812: sub displayPage {
                   2813:     my ($request) = shift;
                   2814: 
1.72      ng       2815:     my ($symb,$url) = &get_symb_and_url($request);
1.68      ng       2816:     my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
                   2817:     my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
                   2818:     my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
                   2819:     my $pageTitle = $ENV{'form.page'};
1.103     albertel 2820:     my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
1.70      ng       2821:     my ($uname,$udom) = split(/:/,$ENV{'form.student'});
1.103     albertel 2822:     my $usec=$classlist->{$ENV{'form.student'}}[5];
                   2823:     if (!&canview($usec)) {
                   2824: 	$request->print('<font color="red">Unable to view requested student.('.$ENV{'form.student'}.')</font>');
                   2825: 	$request->print(&show_grading_menu_form($symb,$url));
                   2826: 	return;
                   2827:     }
1.70      ng       2828:     my $result='<h3><font color="#339933">&nbsp;'.$ENV{'form.title'}.'</font></h3>';
                   2829:     $result.='<h3>&nbsp;Student: '.$$fullname{$ENV{'form.student'}}.
1.68      ng       2830: 	'<font color="#999999"> ('.$uname.($udom eq $cdom ? '':':'.$udom).')</font></h3>'."\n";
                   2831: 
1.71      ng       2832:     &sub_page_js($request);
                   2833:     $request->print($result);
                   2834: 
1.79      bowersj2 2835:     my $navmap = Apache::lonnavmaps::navmap-> new($ENV{'request.course.fn'}.'.db',
1.68      ng       2836: 						  $ENV{'request.course.fn'}.'_parms.db',1, 1);
1.70      ng       2837:     my ($mapUrl, $id, $resUrl) = split(/___/, $ENV{'form.page'});
1.68      ng       2838:     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
                   2839: 
                   2840:     my $iterator = $navmap->getIterator($map->map_start(),
                   2841: 					$map->map_finish());
                   2842: 
1.71      ng       2843:     my $studentTable='<form action="/adm/grades" method="post" name="gradePage">'."\n".
1.72      ng       2844: 	'<input type="hidden" name="command" value="gradeByPage" />'."\n".
1.125     ng       2845: 	'<input type="hidden" name="fullname" value="'.$$fullname{$ENV{'form.student'}}.'" />'."\n".
1.72      ng       2846: 	'<input type="hidden" name="student" value="'.$ENV{'form.student'}.'" />'."\n".
                   2847: 	'<input type="hidden" name="page"    value="'.$pageTitle.'" />'."\n".
                   2848: 	'<input type="hidden" name="title"   value="'.$ENV{'form.title'}.'" />'."\n".
                   2849: 	'<input type="hidden" name="url"     value="'.$url.'" />'."\n".
                   2850: 	'<input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
1.125     ng       2851: 	'<input type="hidden" name="overRideScore" value="no" />'."\n".
1.77      ng       2852: 	'<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n";
1.71      ng       2853: 
                   2854:     my $checkIcon = '<img src="'.$request->dir_config('lonIconsURL').
                   2855: 	'/check.gif" height="16" border="0" />';
                   2856: 
1.118     ng       2857:     $studentTable.='&nbsp;<b>Note:</b> Problems graded correct by the computer are marked with a '.$checkIcon.
                   2858: 	' symbol.'."\n".
1.71      ng       2859: 	'<table border="0"><tr><td bgcolor="#777777">'.
                   2860: 	'<table border="0"><tr bgcolor="#e6ffff">'.
1.118     ng       2861: 	'<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
                   2862: 	'<td><b>&nbsp;'.($ENV{'form.vProb'} eq 'no' ? 'Title' : 'Problem Text').'/Grade</b></td></tr>';
1.71      ng       2863: 
1.101     albertel 2864:     my ($depth,$question) = (1,1);
1.68      ng       2865:     $iterator->next(); # skip the first BEGIN_MAP
                   2866:     my $curRes = $iterator->next(); # for "current resource"
1.101     albertel 2867:     while ($depth > 0) {
1.68      ng       2868:         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
1.100     bowersj2 2869:         if($curRes == $iterator->END_MAP) { $depth--; }
1.68      ng       2870: 
1.120     ng       2871:         if (ref($curRes) && $curRes->is_problem()) {
1.91      albertel 2872: 	    my $parts = $curRes->parts();
1.68      ng       2873:             my $title = $curRes->compTitle();
1.71      ng       2874: 	    my $symbx = $curRes->symb();
                   2875: 	    $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$question.
                   2876: 		(scalar(@{$parts}) == 1 ? '' : '<br>('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
                   2877: 	    $studentTable.='<td valign="top">';
                   2878: 	    if ($ENV{'form.vProb'} eq 'yes') {
                   2879: 		$studentTable.=&show_problem($request,$symbx,$uname,$udom,1);
                   2880: 	    } else {
1.116     ng       2881: 		my $companswer = &Apache::loncommon::get_student_answers($symbx,$uname,$udom,$ENV{'request.course.id'});
1.80      ng       2882: 		$companswer =~ s|<form(.*?)>||g;
                   2883: 		$companswer =~ s|</form>||g;
1.71      ng       2884: #		while ($companswer =~ /(<a href\=\"javascript:newWindow.*?Script Vars<\/a>)/s) { #<a href="javascript:newWindow</a>
1.116     ng       2885: #		    $companswer =~ s/$1/ /ms;
                   2886: #		    $request->print('match='.$1."<br>\n");
1.71      ng       2887: #		}
1.116     ng       2888: #		$companswer =~ s|<table border=\"1\">|<table border=\"0\">|g;
1.71      ng       2889: 		$studentTable.='&nbsp;<b>'.$title.'</b>&nbsp;<br>&nbsp;<b>Correct answer:</b><br>'.$companswer;
                   2890: 	    }
                   2891: 
                   2892: 	    my %record = &Apache::lonnet::restore($symbx,$ENV{'request.course.id'},$udom,$uname);
1.125     ng       2893: 
1.71      ng       2894: 	    if ($ENV{'form.lastSub'} eq 'datesub') {
                   2895: 		if ($record{'version'} eq '') {
                   2896: 		    $studentTable.='<br />&nbsp;<font color="red">No recorded submission for this problem</font><br />';
                   2897: 		} else {
1.116     ng       2898: 		    my %responseType = ();
                   2899: 		    foreach my $partid (@{$parts}) {
                   2900: 			$responseType{$partid} = $curRes->responseType($partid);
                   2901: 		    }
1.122     ng       2902: 		    $studentTable.= &displaySubByDates(\$symbx,\%record,$parts,\%responseType,$checkIcon);
1.71      ng       2903: 		}
                   2904: 	    } elsif ($ENV{'form.lastSub'} eq 'all') {
                   2905: 		my $last = ($ENV{'form.lastSub'} eq 'last' ? 'last' : '');
                   2906: 		$studentTable.=&Apache::loncommon::get_previous_attempt($symbx,$uname,$udom,
                   2907: 									$ENV{'request.course.id'},
                   2908: 									'','.submission');
                   2909:  
                   2910: 	    }
1.103     albertel 2911: 	    if (&canmodify($usec)) {
                   2912: 		foreach my $partid (@{$parts}) {
                   2913: 		    $studentTable.=&gradeBox($request,$symbx,$uname,$udom,$question,$partid,\%record);
                   2914: 		    $studentTable.='<input type="hidden" name="q_'.$question.'" value="'.$partid.'" />'."\n";
                   2915: 		    $question++;
                   2916: 		}
1.71      ng       2917: 	    }
                   2918: 	    $studentTable.='</td></tr>';
1.68      ng       2919: 
1.103     albertel 2920: 	}
1.68      ng       2921:         $curRes = $iterator->next();
                   2922:     }
                   2923: 
1.98      albertel 2924:     $navmap->untieHashes();
                   2925: 
1.71      ng       2926:     $studentTable.='</td></tr></table></td></tr></table>'."\n".
1.125     ng       2927: 	'<input type="button" value="Save" '.
1.71      ng       2928: 	'onClick="javascript:checkSubmitPage(this.form,'.$question.');" TARGET=_self />'.
                   2929: 	'</form>'."\n";
                   2930:     $studentTable.=&show_grading_menu_form($symb,$url);
                   2931:     $request->print($studentTable);
                   2932: 
                   2933:     return '';
1.119     ng       2934: }
                   2935: 
                   2936: sub displaySubByDates {
1.122     ng       2937:     my ($symbx,$record,$parts,$responseType,$checkIcon) = @_;
1.119     ng       2938:     my $studentTable='<table border="0" width="100%"><tr><td bgcolor="#777777">'.
                   2939: 	'<table border="0" width="100%"><tr bgcolor="#e6ffff">'.
                   2940: 	'<td><b>Date/Time</b></td>'.
                   2941: 	'<td><b>Submission</b></td>'.
                   2942: 	'<td><b>Status&nbsp;</b></td></tr>';
                   2943:     my ($version);
                   2944:     my %mark;
                   2945:     $mark{'correct_by_student'} = $checkIcon;
1.122     ng       2946:     return '<br />&nbsp;<font color="red">Nothing submitted - no attempts</font><br />' 
                   2947: 	if (!exists($$record{'1:timestamp'}));
1.119     ng       2948:     for ($version=1;$version<=$$record{'version'};$version++) {
                   2949: 	my $timestamp = scalar(localtime($$record{$version.':timestamp'}));
                   2950: 	$studentTable.='<tr bgcolor="#ffffff" valign="top"><td>'.$timestamp.'</td>';
                   2951: 	my @versionKeys = split(/\:/,$$record{$version.':keys'});
                   2952: 	my @displaySub = ();
                   2953: 	foreach my $partid (@{$parts}) {
                   2954: 	    my @matchKey = grep /^resource\.$partid\..*?\.submission$/,@versionKeys;
1.122     ng       2955: #	    next if ($$record{"$version:resource.$partid.solved"} eq '');
1.119     ng       2956: 	    $displaySub[0].=(exists $$record{$version.':'.$matchKey[0]}) ? 
                   2957: 		'<b>Part&nbsp;'.$partid.'&nbsp;'.
                   2958: 		($$record{"$version:resource.$partid.tries"} eq '' ? 'Trial&nbsp;not&nbsp;counted' :
                   2959: 		 'Trial&nbsp;'.$$record{"$version:resource.$partid.tries"}).'</b>&nbsp; '.
1.122     ng       2960: 		 &cleanRecord($$record{$version.':'.$matchKey[0]},$$responseType{$partid},$$symbx).'<br />' : '';
1.119     ng       2961: 	    $displaySub[1].=(exists $$record{"$version:resource.$partid.award"}) ?
                   2962: 		'<b>Part&nbsp;'.$partid.'</b> &nbsp;'.
                   2963: 		lc($$record{"$version:resource.$partid.award"}).' '.
                   2964: 		$mark{$$record{"$version:resource.$partid.solved"}}.'<br />' : '';
                   2965: 	    $displaySub[2].=(exists $$record{"$version:resource.$partid.regrader"}) ?
                   2966: 		$$record{"$version:resource.$partid.regrader"}.' (<b>Part:</b> '.$partid.')' : '';
                   2967: 	}
                   2968: 	$displaySub[2].=(exists $$record{"$version:resource.regrader"}) ?
1.126     ng       2969: 	    $$record{"$version:resource.regrader"} : ''; # needed because old essay regrader has not parts info
1.119     ng       2970: 	$studentTable.='<td>'.$displaySub[0].'&nbsp;</td><td>'.$displaySub[1].
                   2971: 	    ($displaySub[2] eq '' ? '' : 'Manually graded by '.$displaySub[2]).'&nbsp;</td></tr>';
                   2972:     }
                   2973:     $studentTable.='</table></td></tr></table>';
                   2974:     return $studentTable;
1.71      ng       2975: }
                   2976: 
                   2977: sub updateGradeByPage {
                   2978:     my ($request) = shift;
                   2979: 
                   2980:     my $cdom      = $ENV{"course.$ENV{'request.course.id'}.domain"};
                   2981:     my $cnum      = $ENV{"course.$ENV{'request.course.id'}.num"};
                   2982:     my $getsec    = $ENV{'form.section'} eq '' ? 'all' : $ENV{'form.section'};
                   2983:     my $pageTitle = $ENV{'form.page'};
1.103     albertel 2984:     my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
1.71      ng       2985:     my ($uname,$udom) = split(/:/,$ENV{'form.student'});
1.103     albertel 2986:     my $usec=$classlist->{$ENV{'form.student'}}[5];
                   2987:     if (!&canmodify($usec)) {
                   2988: 	$request->print('<font color="red">Unable to modify requested student.('.$ENV{'form.student'}.'</font>');
                   2989: 	$request->print(&show_grading_menu_form($ENV{'form.symb'},$ENV{'form.url'}));
                   2990: 	return;
                   2991:     }
1.71      ng       2992:     my $result='<h3><font color="#339933">&nbsp;'.$ENV{'form.title'}.'</font></h3>';
1.125     ng       2993:     $result.='<h3>&nbsp;Student: '.$ENV{'form.fullname'}.
1.71      ng       2994: 	'<font color="#999999"> ('.$uname.($udom eq $cdom ? '':':'.$udom).')</font></h3>'."\n";
1.70      ng       2995: 
1.68      ng       2996:     $request->print($result);
                   2997: 
1.79      bowersj2 2998:     my $navmap = Apache::lonnavmaps::navmap-> new($ENV{'request.course.fn'}.'.db',
1.71      ng       2999: 						  $ENV{'request.course.fn'}.'_parms.db',1, 1);
                   3000:     my ($mapUrl, $id, $resUrl) = split(/___/, $ENV{'form.page'});
                   3001:     my $map = $navmap->getResourceByUrl($resUrl); # add to navmaps
                   3002: 
                   3003:     my $iterator = $navmap->getIterator($map->map_start(),
                   3004: 					$map->map_finish());
1.70      ng       3005: 
1.71      ng       3006:     my $studentTable='<table border="0"><tr><td bgcolor="#777777">'.
1.68      ng       3007: 	'<table border="0"><tr bgcolor="#e6ffff">'.
1.125     ng       3008: 	'<td align="center"><b>&nbsp;Prob.&nbsp;</b></td>'.
1.71      ng       3009: 	'<td><b>&nbsp;Title&nbsp;</b></td>'.
                   3010: 	'<td><b>&nbsp;Previous Score&nbsp;</b></td>'.
                   3011: 	'<td><b>&nbsp;New Score&nbsp;</b></td></tr>';
                   3012: 
                   3013:     $iterator->next(); # skip the first BEGIN_MAP
                   3014:     my $curRes = $iterator->next(); # for "current resource"
1.101     albertel 3015:     my ($depth,$question,$changeflag)= (1,1,0);
                   3016:     while ($depth > 0) {
1.71      ng       3017:         if($curRes == $iterator->BEGIN_MAP) { $depth++; }
1.100     bowersj2 3018:         if($curRes == $iterator->END_MAP) { $depth--; }
1.71      ng       3019: 
                   3020:         if (ref($curRes) && $curRes->is_problem() && !$curRes->randomout) {
1.91      albertel 3021: 	    my $parts = $curRes->parts();
1.71      ng       3022:             my $title = $curRes->compTitle();
                   3023: 	    my $symbx = $curRes->symb();
                   3024: 	    $studentTable.='<tr bgcolor="#ffffe6"><td align="center" valign="top" >'.$question.
                   3025: 		(scalar(@{$parts}) == 1 ? '' : '<br>('.scalar(@{$parts}).'&nbsp;parts)').'</td>';
                   3026: 	    $studentTable.='<td valign="top">&nbsp;<b>'.$title.'</b>&nbsp;</td>';
                   3027: 
                   3028: 	    my %newrecord=();
                   3029: 	    my @displayPts=();
                   3030: 	    foreach my $partid (@{$parts}) {
                   3031: 		my $newpts = $ENV{'form.GD_BOX'.$question.'_'.$partid};
                   3032: 		my $oldpts = $ENV{'form.oldpts'.$question.'_'.$partid};
                   3033: 
                   3034: 		my $wgt = $ENV{'form.WGT'.$question.'_'.$partid} != 0 ? 
                   3035: 		    $ENV{'form.WGT'.$question.'_'.$partid} : 1;
                   3036: 		my $partial = $newpts/$wgt;
                   3037: 		my $score;
                   3038: 		if ($partial > 0) {
                   3039: 		    $score = 'correct_by_override';
1.125     ng       3040: 		} elsif ($newpts ne '') { #empty is taken as 0
1.71      ng       3041: 		    $score = 'incorrect_by_override';
                   3042: 		}
1.125     ng       3043: 		my $dropMenu = $ENV{'form.GD_SEL'.$question.'_'.$partid};
                   3044: 		if ($dropMenu eq 'excused') {
1.71      ng       3045: 		    $partial = '';
                   3046: 		    $score = 'excused';
1.125     ng       3047: 		} elsif ($dropMenu eq 'reset status'
                   3048: 			 && $ENV{'form.solved'.$question.'_'.$partid} ne '') { #update only if previous record exists
                   3049: 		    $newrecord{'resource.'.$partid.'.tries'} = 0;
                   3050: 		    $newrecord{'resource.'.$partid.'.solved'} = '';
                   3051: 		    $newrecord{'resource.'.$partid.'.award'} = '';
                   3052: 		    $newrecord{'resource.'.$partid.'.awarded'} = 0;
                   3053: 		    $newrecord{'resource.'.$partid.'.regrader'} = "$ENV{'user.name'}:$ENV{'user.domain'}";
                   3054: 		    $changeflag++;
                   3055: 		    $newpts = '';
1.71      ng       3056: 		}
1.125     ng       3057: 
1.71      ng       3058: 		my $oldstatus = $ENV{'form.solved'.$question.'_'.$partid};
                   3059: 		$displayPts[0].='&nbsp;<b>Part</b> '.$partid.' = '.
                   3060: 		    (($oldstatus eq 'excused') ? 'excused' : $oldpts).
                   3061: 		    '&nbsp;<br>';
                   3062: 		$displayPts[1].='&nbsp;<b>Part</b> '.$partid.' = '.
1.125     ng       3063: 		     (($score eq 'excused') ? 'excused' : $newpts).
1.71      ng       3064: 		    '&nbsp;<br>';
                   3065: 
                   3066: 		$question++;
1.125     ng       3067: 		next if ($dropMenu eq 'reset status' || ($newpts == $oldpts && $score ne 'excused'));
                   3068: 
1.71      ng       3069: 		$newrecord{'resource.'.$partid.'.awarded'}  = $partial if $partial ne '';
1.125     ng       3070: 		$newrecord{'resource.'.$partid.'.solved'}   = $score if $score ne '';
                   3071: 		$newrecord{'resource.'.$partid.'.regrader'} = "$ENV{'user.name'}:$ENV{'user.domain'}"
                   3072: 		    if (scalar(keys(%newrecord)) > 0);
1.71      ng       3073: 
                   3074: 		$changeflag++;
                   3075: 	    }
                   3076: 	    if (scalar(keys(%newrecord)) > 0) {
                   3077: 		&Apache::lonnet::cstore(\%newrecord,$symbx,$ENV{'request.course.id'},
                   3078: 					$udom,$uname);
                   3079: 	    }
1.125     ng       3080: 
1.71      ng       3081: 	    $studentTable.='<td valign="top">'.$displayPts[0].'</td>'.
                   3082: 		'<td valign="top">'.$displayPts[1].'</td>'.
                   3083: 		'</tr>';
1.68      ng       3084: 
                   3085: 	}
1.71      ng       3086:         $curRes = $iterator->next();
1.68      ng       3087:     }
1.98      albertel 3088: 
                   3089:     $navmap->untieHashes();
1.68      ng       3090: 
1.71      ng       3091:     $studentTable.='</td></tr></table></td></tr></table>';
                   3092:     $studentTable.=&show_grading_menu_form($ENV{'form.symb'},$ENV{'form.url'});
1.76      ng       3093:     my $grademsg=($changeflag == 0 ? 'No score was changed or updated.' :
                   3094: 		  'The scores were changed for '.
                   3095: 		  $changeflag.' problem'.($changeflag == 1 ? '.' : 's.'));
                   3096:     $request->print($grademsg.$studentTable);
1.68      ng       3097: 
1.70      ng       3098:     return '';
                   3099: }
                   3100: 
1.72      ng       3101: #-------- end of section for handling grading by page/sequence ---------
                   3102: #
                   3103: #-------------------------------------------------------------------
                   3104: 
1.75      albertel 3105: #--------------------Scantron Grading-----------------------------------
                   3106: #
                   3107: #------ start of section for handling grading by page/sequence ---------
                   3108: 
1.81      albertel 3109: sub defaultFormData {
                   3110:     my ($symb,$url)=@_;
                   3111:     return '
                   3112:       <input type="hidden" name="symb"    value="'.$symb.'" />'."\n".
                   3113:      '<input type="hidden" name="url"     value="'.$url.'" />'."\n".
                   3114:      '<input type="hidden" name="saveState" value="'.$ENV{'form.saveState'}.'" />'."\n".
                   3115:      '<input type="hidden" name="probTitle" value="'.$ENV{'form.probTitle'}.'" />'."\n";
                   3116: }
                   3117: 
1.75      albertel 3118: sub getSequenceDropDown {
                   3119:     my ($request,$symb)=@_;
                   3120:     my $result='<select name="selectpage">'."\n";
                   3121:     my ($titles,$symbx) = &getSymbMap($request);
                   3122:     my ($curpage,$type,$mapId) = ($symb =~ /(.*?\.(page|sequence))___(\d+)___/); 
                   3123:     my $ctr=0;
                   3124:     foreach (@$titles) {
                   3125: 	my ($minder,$showtitle) = ($_ =~ /(\d+)\.(.*)/);
                   3126: 	$result.='<option value="'.$$symbx{$_}.'" '.
                   3127: 	    ($$symbx{$_} =~ /$curpage$/ ? 'selected="on"' : '').
                   3128: 	    '>'.$showtitle.'</option>'."\n";
                   3129: 	$ctr++;
                   3130:     }
                   3131:     $result.= '</select>';
                   3132:     return $result;
                   3133: }
                   3134: 
1.81      albertel 3135: sub scantron_uploads {
                   3136:     if (!-e $Apache::lonnet::perlvar{'lonScansDir'}) { return ''};
                   3137:     my $result=	'<select name="scantron_selectfile">';
                   3138:     opendir(DIR,$Apache::lonnet::perlvar{'lonScansDir'});
                   3139:     my @files=sort(readdir(DIR));
                   3140:     foreach my $filename (@files) {
                   3141: 	if ($filename eq '.' or $filename eq '..') { next; }
                   3142: 	$result.="<option>$filename</option>\n";
                   3143:     }
                   3144:     closedir(DIR);
                   3145:     $result.="</select>";
                   3146:     return $result;
                   3147: }
                   3148: 
1.82      albertel 3149: sub scantron_scantab {
                   3150:     my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   3151:     my $result='<select name="scantron_format">'."\n";
                   3152:     foreach my $line (<$fh>) {
                   3153: 	my ($name,$descrip)=split(/:/,$line);
                   3154: 	if ($name =~ /^\#/) { next; }
                   3155: 	$result.='<option value="'.$name.'">'.$descrip.'</option>'."\n";
                   3156:     }
                   3157:     $result.='</select>'."\n";
                   3158: 
                   3159:     return $result;
                   3160: }
                   3161: 
1.75      albertel 3162: sub scantron_selectphase {
                   3163:     my ($r) = @_;
                   3164:     my ($symb,$url)=&get_symb_and_url($r);
                   3165:     if (!$symb) {return '';}
                   3166:     my $sequence_selector=&getSequenceDropDown($r,$symb);
1.81      albertel 3167:     my $default_form_data=&defaultFormData($symb,$url);
                   3168:     my $grading_menu_button=&show_grading_menu_form($symb,$url);
                   3169:     my $file_selector=&scantron_uploads();
1.82      albertel 3170:     my $format_selector=&scantron_scantab();
1.75      albertel 3171:     my $result;
                   3172:     $result.= <<SCANTRONFORM;
1.82      albertel 3173: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantro_process">
                   3174:   <input type="hidden" name="command" value="scantron_process" />
1.81      albertel 3175:   $default_form_data
1.75      albertel 3176:   <table width="100%" border="0">
                   3177:     <tr>
                   3178:       <td bgcolor="#777777">
                   3179:         <table width="100%" border="0">
                   3180:           <tr bgcolor="#e6ffff">
                   3181:             <td>
                   3182:               &nbsp;<b>Specify file location and which Folder/Sequence to grade</b>
                   3183:             </td>
                   3184:           </tr>
                   3185:           <tr bgcolor="#ffffe6">
                   3186:             <td>
                   3187:                Sequence to grade: $sequence_selector
                   3188: 	    </td>
                   3189:           </tr>
                   3190:           <tr bgcolor="#ffffe6">
                   3191:             <td>
1.81      albertel 3192: 		Filename of scoring office file: $file_selector
1.75      albertel 3193: 	    </td>
                   3194:           </tr>
1.82      albertel 3195:           <tr bgcolor="#ffffe6">
                   3196:             <td>
                   3197:               Format of data file: $format_selector
                   3198: 	    </td>
                   3199:           </tr>
1.75      albertel 3200:         </table>
                   3201:       </td>
                   3202:     </tr>
                   3203:   </table>
                   3204:   <input type="submit" value="Submit" />
                   3205: </form>
1.81      albertel 3206: $grading_menu_button
1.75      albertel 3207: SCANTRONFORM
                   3208: 
                   3209:     return $result;
                   3210: }
                   3211: 
1.82      albertel 3212: sub get_scantron_config {
                   3213:     my ($which) = @_;
                   3214:     my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/scantronformat.tab');
                   3215:     my %config;
                   3216:     foreach my $line (<$fh>) {
                   3217: 	my ($name,$descrip)=split(/:/,$line);
                   3218: 	if ($name ne $which ) { next; }
                   3219: 	chomp($line);
                   3220: 	my @config=split(/:/,$line);
                   3221: 	$config{'name'}=$config[0];
                   3222: 	$config{'description'}=$config[1];
                   3223: 	$config{'CODElocation'}=$config[2];
                   3224: 	$config{'CODEstart'}=$config[3];
                   3225: 	$config{'CODElength'}=$config[4];
                   3226: 	$config{'IDstart'}=$config[5];
                   3227: 	$config{'IDlength'}=$config[6];
                   3228: 	$config{'Qstart'}=$config[7];
                   3229: 	$config{'Qlength'}=$config[8];
                   3230: 	$config{'Qoff'}=$config[9];
                   3231: 	$config{'Qon'}=$config[10];
                   3232: 	last;
                   3233:     }
                   3234:     return %config;
                   3235: }
                   3236: 
                   3237: sub username_to_idmap {
                   3238:     my ($classlist)= @_;
                   3239:     my %idmap;
                   3240:     foreach my $student (keys(%$classlist)) {
                   3241: 	$idmap{$classlist->{$student}->[&Apache::loncoursedata::CL_ID]}=
                   3242: 	    $student;
                   3243:     }
                   3244:     return %idmap;
                   3245: }
                   3246: 
                   3247: sub scantron_parse_scanline {
                   3248:     my ($line,$scantron_config)=@_;
                   3249:     my %record;
                   3250:     my $questions=substr($line,$$scantron_config{'Qstart'}-1);
                   3251:     my $data=substr($line,0,$$scantron_config{'Qstart'}-1);
                   3252:     if ($$scantron_config{'CODElocation'} ne 0) {
                   3253: 	if ($$scantron_config{'CODElocation'} < 0) {
1.83      albertel 3254: 	    $record{'scantron.CODE'}=substr($data,$$scantron_config{'CODEstart'}-1,
                   3255: 					    $$scantron_config{'CODElength'});
1.82      albertel 3256: 	} else {
                   3257: 	    #FIXME interpret first N questions
                   3258: 	}
                   3259:     }
1.83      albertel 3260:     $record{'scantron.ID'}=substr($data,$$scantron_config{'IDstart'}-1,
                   3261: 				  $$scantron_config{'IDlength'});
1.82      albertel 3262:     my @alphabet=('A'..'Z');
                   3263:     my $questnum=0;
                   3264:     while ($questions) {
                   3265: 	$questnum++;
                   3266: 	my $currentquest=substr($questions,0,$$scantron_config{'Qlength'});
                   3267: 	substr($questions,0,$$scantron_config{'Qlength'})='';
1.83      albertel 3268: 	if (length($currentquest) < $$scantron_config{'Qlength'}) { next; }
1.82      albertel 3269: 	my (@array)=split(/$$scantron_config{'Qon'}/,$currentquest);
                   3270: 	if (scalar(@array) gt 2) {
                   3271: 	    #FIXME do something intelligent with double bubbles
1.83      albertel 3272: 	    Apache->request->print("<br ><b>Wha!!!</b> <pre>".scalar(@array).
                   3273: 				   '-'.$currentquest.'-'.$questnum.'</pre><br />');
1.82      albertel 3274: 	}
                   3275: 	if (length($array[0]) eq $$scantron_config{'Qlength'}) {
1.83      albertel 3276: 	    $record{"scantron.$questnum.answer"}='';
1.82      albertel 3277: 	} else {
1.83      albertel 3278: 	    $record{"scantron.$questnum.answer"}=$alphabet[length($array[0])];
1.82      albertel 3279: 	}
                   3280:     }
1.83      albertel 3281:     $record{'scantron.maxquest'}=$questnum;
                   3282:     return \%record;
1.82      albertel 3283: }
                   3284: 
                   3285: sub scantron_add_delay {
                   3286: }
                   3287: 
                   3288: sub scantron_find_student {
1.83      albertel 3289:     my ($scantron_record,$idmap)=@_;
                   3290:     my $scanID=$$scantron_record{'scantron.ID'};
                   3291:     foreach my $id (keys(%$idmap)) {
                   3292: 	Apache->request->print('<pre>checking studnet -'.$id.'- againt -'.$scanID.'- </pre>');
                   3293: 	if (lc($id) eq lc($scanID)) { Apache->request->print('success');return $$idmap{$id}; }
                   3294:     }
                   3295:     return undef;
                   3296: }
                   3297: 
                   3298: sub scantron_filter {
                   3299:     my ($curres)=@_;
                   3300:     if (ref($curres) && $curres->is_problem() && !$curres->randomout) {
                   3301: 	return 1;
                   3302:     }
                   3303:     return 0;
1.82      albertel 3304: }
                   3305: 
                   3306: sub scantron_process_students {
1.75      albertel 3307:     my ($r) = @_;
1.81      albertel 3308:     my (undef,undef,$sequence)=split(/___/,$ENV{'form.selectpage'});
                   3309:     my ($symb,$url)=&get_symb_and_url($r);
                   3310:     if (!$symb) {return '';}
                   3311:     my $default_form_data=&defaultFormData($symb,$url);
1.82      albertel 3312: 
                   3313:     my %scantron_config=&get_scantron_config($ENV{'form.scantron_format'});
                   3314:     my $scanlines=Apache::File->new($Apache::lonnet::perlvar{'lonScansDir'}."/$ENV{'form.scantron_selectfile'}");
1.85      albertel 3315:     my @scanlines=<$scanlines>;
1.82      albertel 3316:     my $classlist=&Apache::loncoursedata::get_classlist();
                   3317:     my %idmap=&username_to_idmap($classlist);
1.83      albertel 3318:     my $navmap=Apache::lonnavmaps::navmap->new($ENV{'request.course.fn'}.'.db',$ENV{'request.course.fn'}.'_parms.db',1, 1);
                   3319:     my $map=$navmap->getResourceByUrl($sequence);
                   3320:     my @resources=$navmap->retrieveResources($map,\&scantron_filter,1,0);
                   3321:     $r->print("geto ".scalar(@resources)."<br />");
1.82      albertel 3322:     my $result= <<SCANTRONFORM;
1.81      albertel 3323: <form method="post" enctype="multipart/form-data" action="/adm/grades" name="scantronupload">
                   3324:   <input type="hidden" name="command" value="scantron_configphase" />
                   3325:   $default_form_data
                   3326: SCANTRONFORM
1.82      albertel 3327:     $r->print($result);
                   3328: 
                   3329:     my @delayqueue;
1.85      albertel 3330:     my $totalcorrect;
                   3331:     my $totalincorrect;
                   3332: 
                   3333:     my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,
                   3334: 	           'Scantron Status','Scantron Progress',scalar(@scanlines));
                   3335:     foreach my $line (@scanlines) {
                   3336: 	my $studentcorrect;
                   3337: 	my $studentincorrect;
1.75      albertel 3338: 
1.83      albertel 3339: 	chomp($line);
1.82      albertel 3340: 	my $scan_record=&scantron_parse_scanline($line,\%scantron_config);
                   3341: 	my ($uname,$udom);
                   3342: 	if ($uname=&scantron_find_student($scan_record,\%idmap)) {
                   3343: 	    &scantron_add_delay(\@delayqueue,$line,
                   3344: 				'Unable to find a student that matches');
                   3345: 	}
1.83      albertel 3346: 	$r->print('<pre>doing studnet'.$uname.'</pre>');
1.82      albertel 3347: 	($uname,$udom)=split(/:/,$uname);
1.85      albertel 3348: 	&Apache::lonnet::delenv('form.counter');
1.83      albertel 3349: 	&Apache::lonnet::appenv(%$scan_record);
1.85      albertel 3350: #    &Apache::lonhomework::showhash(%ENV);
1.83      albertel 3351:     $Apache::lonxml::debug=1;
1.85      albertel 3352: 	&Apache::lonxml::debug("line is $line");
1.83      albertel 3353: 	
1.85      albertel 3354: 	    my $i=0;
1.83      albertel 3355: 	foreach my $resource (@resources) {
1.85      albertel 3356: 	    $i++;
1.83      albertel 3357: 	    my $result=&Apache::lonnet::ssi($resource->src(),
                   3358: 				 ('submitted'     =>'scantron',
                   3359: 				  'grade_target'  =>'grade',
                   3360: 				  'grade_username'=>$uname,
                   3361: 				  'grade_domain'  =>$udom,
                   3362: 				  'grade_courseid'=>$ENV{'request.course.id'},
                   3363: 				  'grade_symb'    =>$resource->symb()));
1.85      albertel 3364: 	    my %score=&Apache::lonnet::restore($resource->symb(),
                   3365: 					       $ENV{'request.course.id'},
                   3366: 					       $udom,$uname);
                   3367: 	    foreach my $part ($resource->{PARTS}) {
                   3368: 		if ($score{'resource.'.$part.'.solved'} =~ /^correct/) {
                   3369: 		    $studentcorrect++;
                   3370: 		    $totalcorrect++;
                   3371: 		} else {
                   3372: 		    $studentincorrect++;
                   3373: 		    $totalincorrect++;
                   3374: 		}
                   3375: 	    }
1.83      albertel 3376: 	    $r->print('<pre>'.
                   3377: 		      $resource->symb().'-'.
                   3378: 		      $resource->src().'-'.'</pre>result is'.$result);
1.85      albertel 3379: 	    &Apache::lonhomework::showhash(%score);
                   3380: 	#    if ($i eq 3) {last;}
1.83      albertel 3381: 	}
1.85      albertel 3382: 	&Apache::lonnet::delenv('form.counter');
1.83      albertel 3383: 	&Apache::lonnet::delenv('scantron\.');
1.85      albertel 3384: 	&Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   3385:              'last student Who got a '.$studentcorrect.' correct and '.
                   3386: 	     $studentincorrect.' incorrect. The class has gotten '.
                   3387:              $totalcorrect.' correct and '.$totalincorrect.' incorrect');
1.83      albertel 3388: 	last;
1.82      albertel 3389: 	#FIXME
                   3390: 	#get iterator for $sequence
                   3391: 	#foreach question 'submit' the students answer to the server
                   3392: 	#   through grade target {
                   3393: 	#   generate data to pass back that includes grade recevied
                   3394: 	#}
                   3395:     }
1.85      albertel 3396:     $Apache::lonxml::debug=0;
1.82      albertel 3397:     foreach my $delay (@delayqueue) {
                   3398: 	#FIXME
                   3399: 	#print out each delayed student with interface to select how
                   3400: 	#  to repair student provided info
                   3401: 	#Expected errors include
                   3402: 	#  1 bad/no stuid/username
                   3403: 	#  2 invalid bubblings
                   3404: 	
                   3405:     }
1.75      albertel 3406:     #FIXME
                   3407:     # if delay queue exists 2 submits one to process delayed students one
                   3408:     #     to ignore delayed students, possibly saving the delay queue for later
1.85      albertel 3409:     
                   3410:     $navmap->untieHashes();
1.75      albertel 3411: }
                   3412: #-------- end of section for handling grading scantron forms -------
                   3413: #
                   3414: #-------------------------------------------------------------------
                   3415: 
                   3416: 
1.72      ng       3417: #-------------------------- Menu interface -------------------------
                   3418: #
                   3419: #--- Show a Grading Menu button - Calls the next routine ---
                   3420: sub show_grading_menu_form {
                   3421:     my ($symb,$url)=@_;
1.125     ng       3422:     my $result.='<br /><form action="/adm/grades" method="post">'."\n".
1.72      ng       3423: 	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n".
                   3424: 	'<input type="hidden" name="url" value="'.$url.'" />'."\n".
1.77      ng       3425: 	'<input type="hidden" name="saveState"  value="'.$ENV{'form.saveState'}.'" />'."\n".
1.72      ng       3426: 	'<input type="hidden" name="command" value="gradingmenu" />'."\n".
                   3427: 	'<input type="submit" name="submit" value="Grading Menu" />'."\n".
                   3428: 	'</form>'."\n";
                   3429:     return $result;
                   3430: }
                   3431: 
1.77      ng       3432: # -- Retrieve choices for grading form
                   3433: sub savedState {
                   3434:     my %savedState = ();
                   3435:     if ($ENV{'form.saveState'}) {
                   3436: 	foreach (split(/:/,$ENV{'form.saveState'})) {
                   3437: 	    my ($key,$value) = split(/=/,$_,2);
                   3438: 	    $savedState{$key} = $value;
                   3439: 	}
                   3440:     }
                   3441:     return \%savedState;
                   3442: }
1.76      ng       3443: 
1.72      ng       3444: #--- Displays the main menu page -------
                   3445: sub gradingmenu {
                   3446:     my ($request) = @_;
                   3447:     my ($symb,$url)=&get_symb_and_url($request);
                   3448:     if (!$symb) {return '';}
1.76      ng       3449:     my $probTitle = &Apache::lonnet::gettitle($symb);
1.72      ng       3450: 
                   3451:     $request->print(<<GRADINGMENUJS);
                   3452: <script type="text/javascript" language="javascript">
1.116     ng       3453:     function checkChoice(formname,val,cmdx) {
                   3454: 	if (val <= 2) {
                   3455: 	    var cmd = radioSelection(formname.radioChoice);
1.118     ng       3456: 	    var cmdsave = cmd;
1.116     ng       3457: 	} else {
                   3458: 	    cmd = cmdx;
1.118     ng       3459: 	    cmdsave = 'submission';
1.116     ng       3460: 	}
                   3461: 	formname.command.value = cmd;
1.118     ng       3462: 	formname.saveState.value = "saveCmd="+cmdsave+":saveSec="+pullDownSelection(formname.section)+
1.112     ng       3463: 	    ":saveSub="+radioSelection(formname.submitonly)+":saveStatus="+pullDownSelection(formname.Status);
1.116     ng       3464: 	if (val < 5) formname.submit();
                   3465: 	if (val == 5) {
1.72      ng       3466: 	    if (!checkReceiptNo(formname,'notOK')) { return false;}
                   3467: 	    formname.submit();
                   3468: 	}
                   3469:     }
                   3470: 
                   3471:     function checkReceiptNo(formname,nospace) {
                   3472: 	var receiptNo = formname.receipt.value;
                   3473: 	var checkOpt = false;
                   3474: 	if (nospace == "OK" && isNaN(receiptNo)) {checkOpt = true;}
                   3475: 	if (nospace == "notOK" && (isNaN(receiptNo) || receiptNo == "")) {checkOpt = true;}
                   3476: 	if (checkOpt) {
                   3477: 	    alert("Please enter a receipt number given by a student in the receipt box.");
                   3478: 	    formname.receipt.value = "";
                   3479: 	    formname.receipt.focus();
                   3480: 	    return false;
                   3481: 	}
                   3482: 	return true;
                   3483:     }
                   3484: </script>
                   3485: GRADINGMENUJS
1.118     ng       3486:     &commonJSfunctions($request);
                   3487:     my $result='<h3>&nbsp;<font color="#339933">Manual Grading/View Submission</font></h3>';
1.122     ng       3488:     my ($table,undef,$hdgrade) = &showResourceInfo($url,$probTitle);
1.118     ng       3489:     $result.=$table;
1.76      ng       3490:     my (undef,$sections) = &getclasslist('all','0');
1.77      ng       3491:     my $savedState = &savedState();
1.118     ng       3492:     my $saveCmd = ($$savedState{'saveCmd'} eq '' ? 'submission' : $$savedState{'saveCmd'});
1.77      ng       3493:     my $saveSec = ($$savedState{'saveSec'} eq '' ? 'all' : $$savedState{'saveSec'});
1.118     ng       3494:     my $saveSub = ($$savedState{'saveSub'} eq '' ? 'all' : $$savedState{'saveSub'});
1.77      ng       3495:     my $saveStatus = ($$savedState{'saveStatus'} eq '' ? 'Active' : $$savedState{'saveStatus'});
1.72      ng       3496: 
                   3497:     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
                   3498: 	'<input type="hidden" name="symb"        value="'.$symb.'" />'."\n".
                   3499: 	'<input type="hidden" name="url"         value="'.$url.'" />'."\n".
                   3500: 	'<input type="hidden" name="handgrade"   value="'.$hdgrade.'" />'."\n".
                   3501: 	'<input type="hidden" name="probTitle"   value="'.$probTitle.'" />'."\n".
1.116     ng       3502: 	'<input type="hidden" name="command"     value="" />'."\n".
1.77      ng       3503: 	'<input type="hidden" name="saveState"   value="" />'."\n".
1.124     ng       3504: 	'<input type="hidden" name="gradingMenu" value="1" />'."\n".
1.72      ng       3505: 	'<input type="hidden" name="showgrading" value="yes" />'."\n";
                   3506: 
1.116     ng       3507:     $result.='<table width="100%" border=0><tr><td bgcolor=#777777>'."\n".
                   3508: 	'<table width=100% border=0><tr bgcolor="#e6ffff"><td colspan="2">'."\n".
1.72      ng       3509: 	'&nbsp;<b>Select a Grading/Viewing Option</b></td></tr>'."\n".
1.116     ng       3510: 	'<tr bgcolor="#ffffe6" valign="top"><td>'."\n";
                   3511: 
                   3512:     $result.='<table width="100%" border=0>';
                   3513:     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'."\n".
1.118     ng       3514: 	'&nbsp;Select Section: <select name="section">'."\n";
1.116     ng       3515:     if (ref($sections)) {
                   3516: 	foreach (sort (@$sections)) {$result.='<option value="'.$_.'" '.
                   3517: 					 ($saveSec eq $_ ? 'selected="on"' : '').'>'.$_.'</option>'."\n";}
                   3518:     }
                   3519:     $result.= '<option value="all" '.($saveSec eq 'all' ? 'selected="on"' : ''). '>all</select> &nbsp; ';
                   3520: 
                   3521:     $result.='Student Status:</b>'.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,undef);
1.72      ng       3522: 
1.116     ng       3523:     if (ref($sections)) {
                   3524: 	$result.='&nbsp;(Section "no" implies the students were not assigned a section.)<br />' 
                   3525: 	    if (grep /no/,@$sections);
                   3526:     }
                   3527:     $result.='</td></tr>';
                   3528: 
1.118     ng       3529:     $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
                   3530: 	'<input type="radio" name="radioChoice" value="submission" '.
                   3531: 	($saveCmd eq 'submission' ? 'checked' : '').'> '.'<b>Current Resource:</b> For one or more students'.
                   3532: 	'<br />&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;-->For students with '.
                   3533: 	'<input type="radio" name="submitonly" value="yes" '.
                   3534: 	($saveSub eq 'yes' ? 'checked' : '').' /> submissions or '.
                   3535: 	'<input type="radio" name="submitonly" value="all" '.
                   3536: 	($saveSub eq 'all' ? 'checked' : '').' /> for all</td></tr>'."\n";
1.72      ng       3537: 
1.116     ng       3538:     $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
                   3539: 	'<input type="radio" name="radioChoice" value="viewgrades" '.
1.76      ng       3540: 	($saveCmd eq 'viewgrades' ? 'checked' : '').'> '.
1.118     ng       3541: 	'<b>Current Resource:</b> For all students in selected section or course</td></tr>'."\n";
1.72      ng       3542: 
1.118     ng       3543:     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'.
                   3544: 	'<input type="radio" name="radioChoice" value="pickStudentPage" '.
                   3545: 	($saveCmd eq 'pickStudentPage' ? 'checked' : '').'> '.
                   3546: 	'The <b>complete</b> set/page/sequence: For one student</td></tr>'."\n";
1.46      ng       3547: 
1.116     ng       3548:     $result.='<tr bgcolor="#ffffe6"><td><br />'.
1.126     ng       3549: 	'<input type="button" onClick="javascript:checkChoice(this.form,\'2\');" value="Next->" />'.
1.116     ng       3550: 	'</td></tr></table>'."\n";
                   3551: 
                   3552:     $result.='</td><td valign="top">';
                   3553: 
                   3554:     $result.='<table width="100%" border=0>';
                   3555:     $result.='<tr bgcolor="#ffffe6"><td>'.
                   3556: 	'<input type="button" onClick="javascript:checkChoice(this.form,\'3\',\'csvform\');" value="Upload" />'.
                   3557: 	' scores from file </td></tr>'."\n";
1.72      ng       3558: 
1.75      albertel 3559:     $result.='<tr bgcolor="#ffffe6"valign="top"><td colspan="2">'.
1.116     ng       3560: 	'<input type="button" onClick="javascript:checkChoice(this.form,\'4\',\'scantron_selectphase\');'.
                   3561: 	'" value="Grade" /> scantron forms</td></tr>'."\n";
1.75      albertel 3562: 
1.72      ng       3563:     if ((&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) && ($symb)) {
                   3564: 	$result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
1.116     ng       3565: 	    '<input type="button" onClick="javascript:checkChoice(this.form,\'5\',\'verify\');" value="Verify" />'.
                   3566: 	    ' submission Receipt no: '.unpack("%32C*",$Apache::lonnet::perlvar{'lonHostID'}).
1.72      ng       3567: 	    '-<input type="text" name="receipt" size="4" onChange="javascript:checkReceiptNo(this.form,\'OK\')">'.
                   3568: 	    '</td></tr>'."\n";
                   3569:     } 
1.44      ng       3570: 
1.116     ng       3571:     $result.='</form></td></tr></table>'."\n".
1.72      ng       3572: 	'</td></tr></table>'."\n".
                   3573: 	'</td></tr></table>'."\n";
1.44      ng       3574:     return $result;
1.2       albertel 3575: }
                   3576: 
1.1       albertel 3577: sub handler {
1.41      ng       3578:     my $request=$_[0];
1.102     albertel 3579: 
1.103     albertel 3580:     undef(%perm);
1.41      ng       3581:     if ($ENV{'browser.mathml'}) {
                   3582: 	$request->content_type('text/xml');
                   3583:     } else {
                   3584: 	$request->content_type('text/html');
                   3585:     }
                   3586:     $request->send_http_header;
1.44      ng       3587:     return '' if $request->header_only;
1.41      ng       3588:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
                   3589:     my $url=$ENV{'form.url'};
                   3590:     my $symb=$ENV{'form.symb'};
                   3591:     my $command=$ENV{'form.command'};
                   3592:     if (!$url) {
                   3593: 	my ($temp1,$temp2);
                   3594: 	($temp1,$temp2,$ENV{'form.url'})=split(/___/,$symb);
                   3595: 	$url = $ENV{'form.url'};
                   3596:     }
                   3597:     &send_header($request);
                   3598:     if ($url eq '' && $symb eq '') {
                   3599: 	if ($ENV{'user.adv'}) {
                   3600: 	    if (($ENV{'form.codeone'}) && ($ENV{'form.codetwo'}) &&
                   3601: 		($ENV{'form.codethree'})) {
                   3602: 		my $token=$ENV{'form.codeone'}.'*'.$ENV{'form.codetwo'}.'*'.
                   3603: 		    $ENV{'form.codethree'};
                   3604: 		my ($tsymb,$tuname,$tudom,$tcrsid)=
                   3605: 		    &Apache::lonnet::checkin($token);
                   3606: 		if ($tsymb) {
                   3607: 		    my ($map,$id,$url)=split(/\_\_\_/,$tsymb);
                   3608: 		    if (&Apache::lonnet::allowed('mgr',$tcrsid)) {
1.99      albertel 3609: 			$request->print(&Apache::lonnet::ssi_body('/res/'.$url,
                   3610: 					  ('grade_username' => $tuname,
                   3611: 					   'grade_domain' => $tudom,
                   3612: 					   'grade_courseid' => $tcrsid,
                   3613: 					   'grade_symb' => $tsymb)));
1.41      ng       3614: 		    } else {
1.45      ng       3615: 			$request->print('<h3>Not authorized: '.$token.'</h3>');
1.99      albertel 3616: 		    }
1.41      ng       3617: 		} else {
1.45      ng       3618: 		    $request->print('<h3>Not a valid DocID: '.$token.'</h3>');
1.41      ng       3619: 		}
1.14      www      3620: 	    } else {
1.41      ng       3621: 		$request->print(&Apache::lonxml::tokeninputfield());
                   3622: 	    }
                   3623: 	}
                   3624:     } else {
1.103     albertel 3625: 	if (!($perm{'vgr'}=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}))) {
                   3626: 	    if ($perm{'vgr'}=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}.'/'.$ENV{'request.course.sec'})) {
                   3627: 		$perm{'vgr_section'}=$ENV{'request.course.sec'};
1.102     albertel 3628: 	    } else {
1.103     albertel 3629: 		delete($perm{'vgr'});
1.102     albertel 3630: 	    }
                   3631: 	}
1.103     albertel 3632: 	if (!($perm{'mgr'}=&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'}))) {
                   3633: 	    if ($perm{'mgr'}=&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'}.'/'.$ENV{'request.course.sec'})) {
                   3634: 		$perm{'mgr_section'}=$ENV{'request.course.sec'};
1.102     albertel 3635: 	    } else {
1.103     albertel 3636: 		delete($perm{'mgr'});
1.102     albertel 3637: 	    }
                   3638: 	}
                   3639: 
1.104     albertel 3640: 	if ($command eq 'submission' && $perm{'vgr'}) {
1.68      ng       3641: 	    ($ENV{'form.student'} eq '' ? &listStudents($request) : &submission($request,0,0));
1.103     albertel 3642: 	} elsif ($command eq 'pickStudentPage' && $perm{'vgr'}) {
1.68      ng       3643: 	    &pickStudentPage($request);
1.103     albertel 3644: 	} elsif ($command eq 'displayPage' && $perm{'vgr'}) {
1.68      ng       3645: 	    &displayPage($request);
1.104     albertel 3646: 	} elsif ($command eq 'gradeByPage' && $perm{'mgr'}) {
1.71      ng       3647: 	    &updateGradeByPage($request);
1.104     albertel 3648: 	} elsif ($command eq 'processGroup' && $perm{'vgr'}) {
1.41      ng       3649: 	    &processGroup($request);
1.104     albertel 3650: 	} elsif ($command eq 'gradingmenu' && $perm{'vgr'}) {
1.41      ng       3651: 	    $request->print(&gradingmenu($request));
1.104     albertel 3652: 	} elsif ($command eq 'viewgrades' && $perm{'vgr'}) {
1.41      ng       3653: 	    $request->print(&viewgrades($request));
1.104     albertel 3654: 	} elsif ($command eq 'handgrade' && $perm{'mgr'}) {
1.41      ng       3655: 	    $request->print(&processHandGrade($request));
1.106     albertel 3656: 	} elsif ($command eq 'editgrades' && $perm{'mgr'}) {
1.41      ng       3657: 	    $request->print(&editgrades($request));
1.106     albertel 3658: 	} elsif ($command eq 'verify' && $perm{'vgr'}) {
1.41      ng       3659: 	    $request->print(&verifyreceipt($request));
1.106     albertel 3660: 	} elsif ($command eq 'csvform' && $perm{'mgr'}) {
1.72      ng       3661: 	    $request->print(&upcsvScores_form($request));
1.106     albertel 3662: 	} elsif ($command eq 'csvupload' && $perm{'mgr'}) {
1.41      ng       3663: 	    $request->print(&csvupload($request));
1.106     albertel 3664: 	} elsif ($command eq 'csvuploadmap' && $perm{'mgr'} ) {
1.41      ng       3665: 	    $request->print(&csvuploadmap($request));
1.106     albertel 3666: 	} elsif ($command eq 'csvuploadassign' && $perm{'mgr'}) {
1.41      ng       3667: 	    if ($ENV{'form.associate'} ne 'Reverse Association') {
                   3668: 		$request->print(&csvuploadassign($request));
                   3669: 	    } else {
                   3670: 		if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {
                   3671: 		    $ENV{'form.upfile_associate'} = 'reverse';
                   3672: 		} else {
                   3673: 		    $ENV{'form.upfile_associate'} = 'forward';
                   3674: 		}
                   3675: 		$request->print(&csvuploadmap($request));
                   3676: 	    }
1.106     albertel 3677: 	} elsif ($command eq 'scantron_selectphase' && $perm{'mgr'}) {
1.75      albertel 3678: 	    $request->print(&scantron_selectphase($request));
1.106     albertel 3679: 	} elsif ($command eq 'scantron_process' && $perm{'mgr'}) {
1.82      albertel 3680: 	    $request->print(&scantron_process_students($request));
1.106     albertel 3681: 	} elsif ($command) {
                   3682: 	    $request->print("Access Denied");
1.26      albertel 3683: 	}
1.2       albertel 3684:     }
1.41      ng       3685:     &send_footer($request);
1.44      ng       3686:     return '';
                   3687: }
                   3688: 
                   3689: sub send_header {
                   3690:     my ($request)= @_;
                   3691:     $request->print(&Apache::lontexconvert::header());
                   3692: #  $request->print("
                   3693: #<script>
                   3694: #remotewindow=open('','homeworkremote');
                   3695: #remotewindow.close();
                   3696: #</script>"); 
1.47      www      3697:     $request->print(&Apache::loncommon::bodytag('Grading'));
1.44      ng       3698: }
                   3699: 
                   3700: sub send_footer {
                   3701:     my ($request)= @_;
                   3702:     $request->print('</body>');
                   3703:     $request->print(&Apache::lontexconvert::footer());
1.1       albertel 3704: }
                   3705: 
                   3706: 1;
                   3707: 
1.13      albertel 3708: __END__;

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