--- loncom/homework/bridgetask.pm	2006/11/06 17:53:06	1.193
+++ loncom/homework/bridgetask.pm	2007/04/07 00:12:43	1.231
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: bridgetask.pm,v 1.193 2006/11/06 17:53:06 albertel Exp $
+# $Id: bridgetask.pm,v 1.231 2007/04/07 00:12:43 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -38,21 +38,20 @@ use Apache::lonlocal;
 use Apache::lonxml;
 use Apache::slotrequest();
 use Time::HiRes qw( gettimeofday tv_interval );
-use lib '/home/httpd/lib/perl/';
 use LONCAPA;
  
 
 BEGIN {
-    &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','GraderNote','ClosingParagraph'));
+    &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','CriteriaText','GraderNote','ClosingParagraph'));
 }
 
 my %dimension;
+my $top = 'top';
+
 sub initialize_bridgetask {
     # id of current Dimension, 0 means that no dimension is current 
     # (inside <Task> only)
     @Apache::bridgetask::dimension=();
-    # list of all Dimension ids seen
-    %Apache::bridgetask::top_dimensionlist=();
     # list of all current Instance ids
     %Apache::bridgetask::instance=();
     # list of all Instance ids seen in this problem
@@ -98,6 +97,7 @@ sub check_in {
 	&check_in_sequence($user,$domain,$slot_name);
     } else {
 	&create_new_version($type,$user,$domain,$slot_name);
+	&Apache::structuretags::finalize_storage();
     }
     return 1;
 }
@@ -234,36 +234,43 @@ sub add_grading_button {
     if (scalar(keys(%sections)) < 3) {
 	$size=scalar(keys(%sections))+2;
     }
-    my $sec_select = '<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
-    $sec_select .= "<option value='all' selected='selected'>all</option>\n";
+    my $sec_select = "\n".'<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
+    $sec_select .= "\t<option value='all' selected='selected'>all</option>\n";
     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
-	$sec_select .= "<option value=\"$sec\">$sec</option>\n";
+	$sec_select .= "\t<option value=\"$sec\">$sec</option>\n";
     }
-    $sec_select .= "<option value='none'>none</option></select>\n";
+    $sec_select .= "\t<option value='none'>none</option>\n</select>\n";
     
-    my $result=' <input type="submit" name="gradeasubmission" value="'.
+    my $result="\n\t".'<input type="submit" name="gradeasubmission" value="'.
 	&mt("Get a submission to grade").'" />';
-    $result.='<input type="hidden" name="grade_target" value="webgrade" />';
+    $result.="\n\t".'<input type="hidden" name="grade_target" value="webgrade" />';
     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
 	my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
-	$result.='<table><tr>';
-	$result.='<td rowspan="4">Specify a section: </td><td rowspan="4">'.$sec_select.'</td>';
-	$result.='<td>'.' <input type="submit" name="reviewagrading" value="'.
+	$result.="\n\t".'<table>'."\n\t\t".'<tr>';
+	$result.="\n\t\t\t".'<td rowspan="4">Specify a section: </td>'.
+	    "\n\t\t\t".'<td rowspan="4">'.$sec_select."\n\t\t\t".'</td>';
+	$result.="\n\t\t\t".'<td>'.'<input type="submit" name="reviewagrading" value="'.
 	    &mt("Select an entry from the grading queue:").'" /> ';
 
-	$result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).' </td></tr>'."\n";
+	$result.= "\n\t\t\t\t".&mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).'</td>'."\n\t\t".'</tr>'."\n";
 
 	($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
-	$result.='<tr><td>'.
-	    ' <input type="submit" name="reviewasubmission" value="'.
+	$result.="\n\t\t".'<tr>'.
+	    "\n\t\t\t".'<td>'.
+	    "\n\t\t\t\t".'<input type="submit" name="reviewasubmission" value="'.
 	    &mt("Select an entry from the review queue:").'" /> ';
 	$result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
-		     $entries,$ready,$locks).'</td></tr>'."\n";
-	$result.='<tr><td> <input type="submit" name="regradeasubmission" value="'.
-	    &mt("List of user's grade status").'" /> </td></tr></table>'."\n";
-	$result.='<p> <input type="submit" name="regradeaspecificsubmission" value="'.
-	    &mt("Regrade specific user:").'" />'."\n";
-	$result.='<input type="text" size="12" name="gradinguser" />';
+		     $entries,$ready,$locks).'</td>'."\n\t\t".'</tr>'."\n";
+	$result.="\n\t\t".'<tr>'.
+	    "\n\t\t\t".'<td>'.
+	    "\n\t\t\t\t".'<input type="submit" name="regradeasubmission" value="'.
+	    &mt("List of user's grade status").'" /> </td>'
+	    ."\n\t\t".'</tr>'
+	    ."\n\t".'</table>'."\n";
+	$result.="\n\t".'<p>'.
+	    "\n\t\t".'<input type="submit" name="regradeaspecificsubmission" value="'.
+	    &mt("Regrade specific user:").'" />';
+	$result.= "\n\t\t".'<input type="text" size="12" name="gradinguser" />';
 	$result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
 						     'gradingdomain');
 	$result.=' '.
@@ -271,7 +278,7 @@ sub add_grading_button {
 						   'gradinguser',
 						   'gradingdomain');
 	$result.=&Apache::loncommon::studentbrowser_javascript();
-	$result.= '</p>';
+	$result.= '</p>'."\n";
     }
     return $result;
 }
@@ -295,18 +302,19 @@ sub add_request_another_attempt_button {
 	my $description=&Apache::slotrequest::get_description($slot_name,
 							      $slot);
 	$result.=(<<STUFF);
-<p> Will be next available: $description </p>
+    <p> Will be next available: $description </p>
 STUFF
     }
     
     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
     $symb=&escape($symb);
-    $result.='<form method="post" action="/adm/slotrequest">'.
-	'<input type="hidden" name="symb" value="'.$symb.'" />'.
-	'<input type="hidden" name="command" value="'.$action.'" />'.
+    $result.=
+        "\n\t".'<form method="post" action="/adm/slotrequest">'."\n\t\t".
+	'<input type="hidden" name="symb" value="'.$symb.'" />'."\n\t\t".
+	'<input type="hidden" name="command" value="'.$action.'" />'."\n\t\t".
 	'<input type="submit" name="requestattempt" value="'.
-	&mt($text).'" />'.
-	'</form>';
+	&mt($text).'" />'."\n\t".
+	'</form>'."\n";
     return $result;
 }
 
@@ -372,6 +380,13 @@ sub nest {
     }
 }
 
+sub start_delay {
+    push(@delay,1);
+}
+sub end_delay {
+    pop(@delay);
+}
+
 sub nested_parse {
     my ($str,$env,$args) = @_;
     my @old_env = @Apache::scripttag::parser_env;
@@ -472,6 +487,7 @@ sub webgrade_standard_info {
 	    'stop'   => 'Quit Grading',
 	    'fail'   => 'Fail Rest',
 	    'cancel' => 'Cancel',
+	    'submit' => 'Submit Grades',
 	    );
     %lt=&Apache::lonlocal::texthash(%lt);
 
@@ -479,26 +495,35 @@ sub webgrade_standard_info {
   <div class="LC_GRADING_maincontrols">
 INFO
 
-    if (&grade_mode() eq 'regrade') {
+    if ($env{'request.state'} eq 'construct') {
 	$result.=<<INFO;
+    <input type="submit" name="next" value="$lt{'submit'}" />
+INFO
+    } else {
+	if (&grade_mode() eq 'regrade' && $env{'request.state'} ne 'construct') {
+	    $result.=<<INFO;
     <input type="submit" name="cancel" value="$lt{'cancel'}" />
 INFO
-    }
+        }
 
-    $result.=<<INFO;
+	$result.=<<INFO;
     <input type="submit" name="next" value="$lt{'done'}" />
     <input type="submit" name="stop" value="$lt{'stop'}" />
+INFO
+    }
+    $result.=<<INFO;
     <input type="button" name="fail" value="$lt{'fail'}" 
            onclick="javascript:onFailRest()" />
   </div>
   $file_list
 INFO
     return $result;
+
 }
 
 sub done_screen {
     my ($version) = @_;
-    my $title=&Apache::lonnet::gettitle();
+    my $title=&Apache::lonnet::gettitle($env{'request.uri'});
     my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
     my (undef,undef,$domain,$user)= &Apache::lonnet::whichuser();
     my $files = '<ul>';
@@ -575,7 +600,6 @@ sub start_Task {
 	    &Apache::structuretags::page_start($target,$token,$tagstack,
 					       $parstack,$parser,$safeeval,
 					       $name,&style($target));
-	$result .= '<div class="LC_task">'."\n";
     }
 
     if ($target eq 'web' && $env{'request.state'} ne 'construct') {
@@ -584,7 +608,7 @@ sub start_Task {
 	    $result.='<form name="gradesubmission" method="post" action="';
 	    my $uri=$env{'request.uri'};
 	    if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
-	    $result.=$uri.'">'.&add_grading_button()."</form>";
+	    $result.=$uri.'">'.&add_grading_button()."</form>\n";
 	    my $symb=&Apache::lonnet::symbread();
 	    if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
 		$result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
@@ -605,7 +629,7 @@ sub start_Task {
 	    }
 	}
     }
-    if ($target eq 'web' && $env{'request.state'} eq 'construct') {
+    if ($target =~/(web|webgrade)/ && $env{'request.state'} eq 'construct') {
 	$form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
     }
     if ($target eq 'web' 
@@ -624,6 +648,11 @@ sub start_Task {
 					  'slot' => $slot_name});
 	    ($version,$previous)=&get_version();
 	}
+	
+	my $status_id = 
+	    ($previous || $status eq 'SHOW_ANSWER') ? 'LC_task_feedback'
+	                                            : 'LC_task_take';
+	$result .= '<div class="LC_task" id="'.$status_id.'">'."\n";
 
 	push(@Apache::inputtags::status,$status);
 	$Apache::inputtags::slot_name=$slot_name;
@@ -682,8 +711,8 @@ sub start_Task {
 	} elsif ($target eq 'web') {
 
 	    $result.=&preserve_grade_info();
-	    $result.=&internal_location();
-	    $result.=$form_tag_start.
+	    $result.=&internal_location(); 
+	    $result.=$form_tag_start."\t".
 		'<input type="hidden" name="submitted" value="yes" />';
 	    &Apache::lonxml::startredirection();
 	}
@@ -691,24 +720,25 @@ sub start_Task {
 	      $target eq 'webgrade') {
 	my $webgrade='yes';
 	if ($target eq 'webgrade') {
+	    $result .= '<div class="LC_task">'."\n";
 	    $result.= "\n".'<div class="LC_GRADING_task">'."\n".
 		'<script type="text/javascript" 
                          src="/res/adm/includes/task_grading.js"></script>';
 	    #$result.='<br />Review'.&show_queue('reviewqueue');
 	    #$result.='<br />Grade'.&show_queue('gradingqueue');
 	}
-	# FIXME Blast! still need to reorg this, need to reshow the
-        #       queue being reviewed once done with the grade pass...
-        #       Hrrm, vaildation pass should perhaps say 'not_locked'
-        #       perhaps do a search if there is a key that is mine and if
-        #       there isn't reshow the queue....
+
 	my ($todo,$status_code,$msg)=&get_key_todo($target);
 
 	if ($todo) {
 	    &setup_env_for_other_user($todo,$safeeval);
 	    my ($symb,$uname,$udom)=&decode_queue_key($todo);
-	    $result.="\n".'<table><tr><td>Found '.
-		&Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
+	    if ($env{'request.state'} eq 'construct') {
+		$symb = $env{'request.uri'};
+	    }
+	    $result.="\n".'<p>'.
+		&mt('Grading [_1] for [_2] at [_3]',
+		    &Apache::lonnet::gettitle($symb),$uname,$udom).'</p>';
 	    $form_tag_start.=
 		'<input type="hidden" name="gradingkey" value="'.
 		&escape($todo).'" />';
@@ -783,17 +813,34 @@ sub start_Task {
 		}
 	    }
 	    if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
+	} elsif ($target eq 'webgrade' 
+		 && $env{'request.state'} eq 'construct') {
+	    $result.=$form_tag_start;
+	    $result.='<input type="hidden" name="webgrade" value="'.
+		$webgrade.'" />';
+	    $result.=&webgrade_standard_info();
 	}
 	if ($target eq 'webgrade') {
 	    $result.="\n".'<div id="LC_GRADING_criterialist">';
+	    &Apache::lonxml::startredirection();
+	    &start_delay();
+	    $dimension{$top}{'result'}=$result;
+	    undef($result);
 	}
     } elsif ($target eq 'edit') {
 	$result.=$form_tag_start.
 	    &Apache::structuretags::problem_edit_header();
 	$Apache::lonxml::warnings_error_header=
 	    &mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";
-	my $temp=&Apache::edit::insertlist($target,$token);
-	$result.=$temp;
+	$result.= &Apache::edit::text_arg('Required number of passed optional elements to pass the Task:','OptionalRequired',$token,10)." <br />\n";
+	$result.= &Apache::edit::insertlist($target,$token);
+    } elsif ($target eq 'modified') {
+	my $constructtag=
+	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
+					'OptionalRequired');
+	if ($constructtag) {
+	    $result = &Apache::edit::rebuild_tag($token);
+	}
     } else {
 	# page_start returned a starting result, delete it if we don't need it
 	$result = '';
@@ -819,6 +866,12 @@ sub get_key_todo {
     my ($target)=@_;
     my $todo;
 
+    if ($env{'request.state'} eq 'construct') {
+	my ($symb,$cid,$udom,$uname) = &Apache::lonnet::whichuser();
+	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
+	return ($gradingkey);
+    }
+
     if (defined($env{'form.reviewasubmission'})) {
 	&Apache::lonxml::debug("review a submission....");
 	$env{'form.queue'}='reviewqueue';
@@ -847,8 +900,8 @@ sub get_key_todo {
 	my ($symb,$cid)=&Apache::lonnet::whichuser();
 	my $cnum  = $env{'course.'.$cid.'.num'};
 	my $cdom  = $env{'course.'.$cid.'.domain'};
-	my $uname = $env{'form.gradinguser'};
-	my $udom  = $env{'form.gradingdomain'};
+	my $uname = &LONCAPA::clean_username($env{'form.gradinguser'});
+	my $udom  = &LONCAPA::clean_domain($env{'form.gradingdomain'});
 
 	my $gradingkey=&encode_queue_key($symb,$udom,$uname);
 
@@ -1012,7 +1065,12 @@ sub end_Task {
 		if (!$previous && $status ne 'SHOW_ANSWER' &&
 		    &show_task($status,$previous)) {
 		    $result.=&Apache::inputtags::gradestatus('0');
-		    $result.='</form>';
+		}
+		
+		$result.='</form>';
+
+		if (!$previous && $status ne 'SHOW_ANSWER' &&
+		    &show_task($status,$previous)) {
 		    my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
 		    $result.=<<DONEBUTTON;
 <form name="done" method="post" action="$action">
@@ -1024,8 +1082,7 @@ DONEBUTTON
 		if (&show_task($status,$previous) &&
 		    $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
 		    my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
-		    my $title=&Apache::lonnet::gettitle();
-
+		    my $title=&Apache::lonnet::gettitle($env{'request.uri'});
 		    my $start_time;
 
 		    my $slot_name=
@@ -1040,38 +1097,43 @@ DONEBUTTON
 		    }
 		    $start_time=&Apache::lonlocal::locallocaltime($start_time);
 
-		    my $status = "\n<div class='LC_$bt_status LC_criteria'>\n";
+		    my $status = 
+			"\n<div class='LC_$bt_status LC_criteria LC_task_overall_status'>\n\t";
 		    
+		    my $dim = $top;
+		    my %counts = &get_counts($dim,undef,$parstack,
+					     $safeeval);
+		    my $question_status ="\n\t<p>".
+			&question_status_message(\%counts,-1).
+			"</p>\n";
+
 		    if ($bt_status eq 'pass')  {
 			$status.='<h2>You passed the '.$title.' given on '.
 			    $start_time.'</h2>';
+			$status.=$question_status;
 		    }
 		    if ($bt_status eq 'fail')  {
 			$status.='<h2>You did not pass the '.$title.' given on '.
 			    $start_time.'</h2>';
+			$status.=$question_status;
 			if (!$previous) {
 			    $status.=&add_request_another_attempt_button();
 			}
 		    }
-		    my $man_count=0;
-		    my $opt_count=0;
-		    my $opt_passed=0;
-		    foreach my $dim (keys(%Apache::bridgetask::top_dimensionlist)) {
-			if ($Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'}
-			    eq 'N') {
-			    $opt_count++;
-			    if ($Apache::lonhomework::history{"resource.$version.0.$dim.status"} eq 'pass') {
-				$opt_passed++;
-			    }
-			} else {
-			    $man_count++;
+		    
+		    $status.="\n".'</div>'."\n";
+
+		    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
+			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+			if ($type eq 'dimension') {
+			    $result.=$dimension{$id}{'result'};
+			    next;
 			}
+			my $criteria = 
+			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
+					  [@_]);
+			$status .= &layout_web_Criteria($dim,$id,$criteria);
 		    }
-		    
-		    my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
-							 $parstack,$safeeval);
-		    if ($opt_req !~ /\S/) { $opt_req='0'; }
-		    $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
 
 		    my $internal_location=&internal_location();
 		    $result=~s/\Q$internal_location\E/$status/;
@@ -1091,7 +1153,8 @@ DONEBUTTON
 	}
 	
 
-	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
+	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous
+	    && $status eq 'CAN_ANSWER') {
 	    my $award='SUBMITTED';
 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
 						    'portfiles',\$award);
@@ -1130,19 +1193,29 @@ DONEBUTTON
 	    my $ungraded=0;
 	    my $review=0;   
 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
-	    foreach my $dim (keys(%Apache::bridgetask::top_dimensionlist)) {
+	    my $dim = $top;
+	    foreach my $id (@{$dimension{$dim}{'criterias'}}) {
+		my $link=&link($id);
+
+		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+
+		if ($type eq 'criteria') {
+		    # dimensional 'criteria' don't get assigned grades
+		    $Apache::lonhomework::results{"resource.$version.0.$id.status"}=$env{'form.HWVAL_'.$link};
+		    $Apache::lonhomework::results{"resource.$version.0.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
+		} 
 		my $status=
-		    $Apache::lonhomework::results{"resource.$version.0.$dim.status"};
-		my $mandatory=
-		    ($Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'} ne 'N');
+		    $Apache::lonhomework::results{"resource.$version.0.$id.status"};
+		my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
+
 		if ($status eq 'pass') {
 		    if (!$mandatory) { $optional_passed++; }
 		} elsif ($status eq 'fail') {
 		    if ($mandatory) { $mandatory_failed++; }
-		} elsif ($status eq 'ungraded') {
-		    $ungraded++;
 		} elsif ($status eq 'review') {
 		    $review++;
+		} elsif ($status eq 'ungraded') {
+		    $ungraded++;
 		} else {
 		    $ungraded++;
 		}
@@ -1150,7 +1223,7 @@ DONEBUTTON
 	    if ($optional_passed < $optional_required) {
 		$mandatory_failed++;
 	    }
-	    &Apache::lonxml::debug("all dim ".join(':',keys(%Apache::bridgetask::top_dimensionlist))."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
+	    &Apache::lonxml::debug(" task results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
 	    $Apache::lonhomework::results{'resource.0.regrader'}=
 		$env{'user.name'}.':'.$env{'user.domain'};
 	    if ($review) {
@@ -1235,7 +1308,33 @@ DONEBUTTON
 	    &Apache::structuretags::finalize_storage();
 	}
     } elsif ($target eq 'webgrade') {
-	$result.="</div>";
+	if (&nest()) {
+	    &Apache::lonxml::endredirection();
+	    &end_delay();
+	    $result.=$dimension{$top}{'result'};
+	} else {
+	    $result.=&Apache::lonxml::endredirection();
+	}
+	my $dim = $top;
+	foreach my $id (@{$dimension{$dim}{'criterias'}} ) {
+	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+	    if ($type eq 'dimension') {
+		# dimensional 'criteria' don't get assigned grades
+		next;
+	    } else {
+		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
+					     [@_]);
+		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
+		my $internal_location=&internal_location($id);
+		if ($result =~ m/\Q$internal_location\E/) {
+		    $result=~s/\Q$internal_location\E/$criteria/;
+		} else {
+		    $result.=$criteria;
+		}
+
+	    }
+	}
+        $result.="</div>";
 	#$result.='<input type="submit" name="next" value="'.
 	#    &mt('Save &amp; Next').'" /> ';
 	#$result.='<input type="submit" name="end" value="'.
@@ -1257,9 +1356,7 @@ DONEBUTTON
 	$result.=&Apache::response::meta_stores_write('status','string',
 						      'Bridge Task Status');
     } elsif ($target eq 'edit') {
-	&Apache::structuretags::reset_problem_globals('Task');
-	undef($Apache::lonhomework::parsing_a_task);
-	return ('','no');
+	$result.= &Apache::structuretags::problem_edit_footer();
     }
     &Apache::structuretags::reset_problem_globals('Task');
     undef($Apache::lonhomework::parsing_a_task);
@@ -1516,9 +1613,16 @@ sub show_queue {
 		my $ekey=&escape($key);
 		my ($action,$description,$status)=('select',&mt('Select'));
 		if (exists($queue{"$key\0locked"})) {
+		    my ($locker,$time) = 
+			&get_lock_info($queue{"$key\0locked"});
+		    if ($time) {
+			$time = 
+			    &Apache::lonnavmaps::timeToHumanString($time,
+								   'start');
+		    }
 		    my $me=$env{'user.name'}.':'.$env{'user.domain'};
-		    $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
-		    if ($me eq $queue{"$key\0locked"}) {
+		    $status=&mt('Locked by <tt>[_1]</tt> [_2]',$locker,$time);
+		    if ($me eq $locker) {
 			($action,$description)=('resume',&mt('Resume'));
 		    } else {
 			($action,$description)=('unlock',&mt('Unlock'));
@@ -1628,7 +1732,7 @@ sub queue_key_locked {
     my ($key_locked,$value)=
 	&Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
     if ($key_locked eq "$key\0locked") {
-	return $value;
+	return &get_lock_info($value);
     }
     return undef;
 }
@@ -1709,6 +1813,24 @@ sub pick_from_queue_data {
     return undef;
 }
 
+sub get_lock_info {
+    my ($lock_info) = @_;
+    if (wantarray) {
+	if (ref($lock_info) eq 'ARRAY') {
+	    return @{$lock_info};
+	} else {
+	    return ($lock_info);
+	}
+    } else {
+	if (ref($lock_info) eq 'ARRAY') {
+	    return $lock_info->[0];
+	} else {
+	    return $lock_info;
+	}
+    }
+    return;
+}
+
 sub find_mid_grade {
     my ($queue,$symb,$cdom,$cnum)=@_;
     my $todo=&unescape($env{'form.gradingkey'});
@@ -1720,7 +1842,7 @@ sub find_mid_grade {
     my $regexp="^$symb\0.*\0locked\$";
     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
     foreach my $key (keys(%locks)) {
-	my $who=$locks{$key};
+	my $who= &get_lock_info($locks{$key});
 	if ($who eq $me) {
 	    $todo=$key;
 	    $todo=~s/\0locked$//;
@@ -1736,7 +1858,7 @@ sub lock_key {
     my (undef,$cid)=&Apache::lonnet::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};
-    my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
+    my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> [$me,time]},
 					$cdom,$cnum);
     &Apache::lonxml::debug("success $success $todo");
     if ($success eq 'ok') {
@@ -1977,6 +2099,9 @@ sub start_ClosingParagraph {
     if ($target eq 'web') {
     } elsif ($target eq 'webgrade') {
 	&Apache::lonxml::startredirection();
+    } elsif ($target eq 'edit') {
+	$result = &Apache::edit::tag_start($target,$token);
+    } elsif ($target eq 'modified') {
     }
     return $result;
 }
@@ -1991,8 +2116,20 @@ sub end_ClosingParagraph {
     return $result;
 }
 
+sub insert_ClosingParagraph {
+    return '
+<ClosingParagraph>
+    <startouttext />
+    <endouttext />
+</ClosingParagraph>';
+}
+
 sub get_dim_id {
-    return $Apache::bridgetask::dimension[-1];
+    if (@Apache::bridgetask::dimension) {
+	return $Apache::bridgetask::dimension[-1];
+    } else {
+	return $top;
+    }
 }
 
 sub get_id {
@@ -2004,11 +2141,24 @@ sub get_id {
 
 sub start_Setup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-    #undef(%dimension);
+    my $result;
     my $dim = &get_id($parstack,$safeeval);
     push(@Apache::bridgetask::dimension,$dim);
-    &Apache::lonxml::startredirection();
-    return &internal_location($dim);
+    if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
+	&Apache::lonxml::startredirection();
+    } elsif ($target eq 'edit') {
+	$result = &Apache::edit::tag_start($target,$token);
+	$result.= &Apache::edit::text_arg('Id:','id',$token,10).
+	    &Apache::edit::end_row().
+	    &Apache::edit::start_spanning_row();
+    } elsif ($target eq 'modified') {
+	my $constructtag=
+	    &Apache::edit::get_new_args($token,$parstack,$safeeval,'id');
+	if ($constructtag) {
+	    $result = &Apache::edit::rebuild_tag($token);
+	}
+    }
+    return $result;
 }
 
 {
@@ -2035,47 +2185,89 @@ sub start_Dimension {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $dim = &get_id($parstack,$safeeval);
     my $previous_dim;
-    if (@Apache::bridgetask::dimension) {
-	$previous_dim = $Apache::bridgetask::dimension[-1];
-	push(@{$Apache::bridgetask::dimension{$previous_dim}{'contains'}},
-	     $dim);
-	if(&skip_dimension_parsing($dim)) {
-	    $dimension{$previous_dim}{'criteria.'.$dim} =
-		$token->[4]
-		.&Apache::lonxml::get_all_text('/'.$tagstack->[-1],$parser,
-					      $style)
-		.'</'.$tagstack->[-1].'>';
-	}
-	$dimension{$previous_dim}{'criteria.'.$dim.'.type'}='dimension';
-	$dimension{$previous_dim}{'criteria.'.$dim.'.mandatory'}=
-	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
-	push(@{$dimension{$previous_dim}{'criterias'}},$dim);
-	$dimension{$dim}{'nested'}=$previous_dim;
-	&Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
-    } else {
-	$Apache::bridgetask::top_dimensionlist{$dim}{'manadatory'}=
-	    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+    my $result;
+    if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+	if (@Apache::bridgetask::dimension) {
+	    $previous_dim = $Apache::bridgetask::dimension[-1];
+	    push(@{$Apache::bridgetask::dimension{$previous_dim}{'contains'}},
+		 $dim);
+	    if(&skip_dimension_parsing($dim)) {
+		$dimension{$previous_dim}{'criteria.'.$dim} =
+		    $token->[4]
+		    .&Apache::lonxml::get_all_text('/'.$tagstack->[-1],$parser,
+						   $style)
+		    .'</'.$tagstack->[-1].'>';
+	    }
+	    $dimension{$previous_dim}{'criteria.'.$dim.'.type'}='dimension';
+	    $dimension{$previous_dim}{'criteria.'.$dim.'.mandatory'}=
+		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+	    push(@{$dimension{$previous_dim}{'criterias'}},$dim);
+	    $dimension{$dim}{'nested'}=$previous_dim;
+	    $dimension{$dim}{'depth'} = 1 + $dimension{$previous_dim}{'depth'};
+	    
+	    &Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
+	} else {
+	    $dimension{$top}{'depth'}=0;
+	    $dimension{$top}{'criteria.'.$dim.'.type'}='dimension';
+	    $dimension{$top}{'criteria.'.$dim.'.mandatory'}=
+		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
+	    push(@{$dimension{$top}{'criterias'}},$dim);
+	    $dimension{$dim}{'nested'}=$top;
+	}
+        push(@Apache::bridgetask::dimension,$dim);
+	&Apache::lonxml::startredirection();
+	if (!&skip_dimension_parsing($dim)) {
+	    &enable_dimension_parsing($dim);
+	}
+    } elsif ($target eq 'edit') {
+  	$result = &Apache::edit::tag_start($target,$token);
+	$result.=  
+	    &Apache::edit::text_arg('Id:','id',$token,10).' '.
+	    &Apache::edit::select_arg('Passing is Mandatory:','Mandatory',
+				      [['yes', 'Yes'],
+				       ['no','No'],],
+				      $token).' <br /> '.
+	    &Apache::edit::text_arg('Required number of passed optional elements to pass the '.$token->[1].':',
+				    'OptionalRequired',$token,4).
+	    &Apache::edit::end_row().
+	    &Apache::edit::start_spanning_row();
+    } elsif ($target eq 'modified') {
+	my $constructtag=
+	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
+					'id','Mandatory','OptionalRequired');
+	if ($constructtag) {
+	    $result = &Apache::edit::rebuild_tag($token);
+	}
     }
-    push(@Apache::bridgetask::dimension,$dim);
-    &Apache::lonxml::startredirection();
-    &enable_dimension_parsing($dim);
-    return &internal_location($dim);
+    return $result;# &internal_location($dim);
 }
 
 sub start_QuestionText {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-    my $dim = &get_dim_id();
-    my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
+    my $result;
     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+	my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
+    my $dim = &get_dim_id();
 	$dimension{$dim}{'questiontext'}=$text;
+    } elsif ($target eq 'edit') {
+	$result = &Apache::edit::tag_start($target,$token);
+    } elsif ($target eq 'modified') {
     }
-    return '';
+    return $result;
 }
 
 sub end_QuestionText {
     return '';
 }
 
+sub insert_QuestionText {
+    return '
+<QuestionText>
+    <startouttext />
+    <endouttext />
+</QuestionText>';
+}
+
 sub get_instance {
     my ($dim)=@_;
     my $rand_alg=&Apache::lonnet::get_rand_alg();
@@ -2120,8 +2312,8 @@ sub get_instance {
 sub get_criteria {
     my ($what,$version,$dim,$id) = @_;
     my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
-    my $prefix = ($type eq 'criteria') ? "$dim.$id"
-	                               : "$id";
+    my $prefix = ($type eq 'criteria' && $dim ne $top) ? "$dim.$id"
+	                                               : "$id";
     my $entry = "resource.$version.0.$prefix.$what";
     if (exists($Apache::lonhomework::results{$entry})) {
 	return $Apache::lonhomework::results{$entry};
@@ -2129,263 +2321,370 @@ sub get_criteria {
     return $Apache::lonhomework::history{$entry};
 }
 
-{
-    my $last_link;
-    sub link {
-	my ($id) = @_;
-	$id =~ s/\./_/g;
-	return 'LC_GRADING_criteria_'.$id;
-    }
-    sub end_Question { return &end_Dimension(@_); }
-    sub end_Dimension {
-	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-	my $result=&Apache::lonxml::endredirection();
-	my $dim=&get_id($parstack,$safeeval);
+sub link {
+    my ($id) = @_;
+    $id =~ s/\./_/g;
+    return 'LC_GRADING_criteria_'.$id;
+}
+sub end_Question { return &end_Dimension(@_); }
+sub end_Dimension {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+    my $result;
+    my $dim=&get_id($parstack,$safeeval);
+    if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+	$result=&Apache::lonxml::endredirection();
 	if (&skip_dimension_parsing($dim)) {
-	    &disable_dimension_parsing($dim);
 	    pop(@Apache::bridgetask::dimension);
 	    return;
 	}
-	my $instance=&get_instance($dim);
-	my $version=&get_version();
-	if ($target eq 'web') {
-	    $result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
-	    my @instances = $instance;
-	    if (&Apache::response::showallfoils()) {
-		@instances = @{$dimension{$dim}{'instances'}};
-	    }
-	    my $shown_question_text;
-	    foreach my $instance (@instances) {
-		$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
-					 [@_]);
-		$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
-					 [@_],{'set_dim_id' => undef});
-		my $task_status = 
-		    $Apache::lonhomework::history{"resource.$version.0.status"};
-		if ($task_status ne 'pass' && $task_status ne 'fail') {
-
-		    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
-				    @{$dimension{$dim}{'criterias'}}) {
-			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
-			&Apache::lonxml::debug("$id is $type");
-			if ($type eq 'dimension') {
-			    $result.=
-				&nested_parse(\$dimension{$dim}{'criteria.'.$id},
-					      [@_],{'set_dim_id' => $id});
-			}
-		    }
-		} else {
-		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
-		    my $mandatory='Mandatory';
-		    if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
-			$mandatory='Optional';
-		    }
-		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
-		    if ($dim_status eq 'pass') {
-			$dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
-		    }
-		    if ($dim_status eq 'fail') {
-			$dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
-		    }
-		    my $man_count=0;
-		    my $man_passed=0;
-		    my $opt_count=0;
-		    my $opt_passed=0;
-		    foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
-				     @{$dimension{$dim}{'criterias'}} ) {
-			my $status = &get_criteria('status',$version,$dim,$id);
-			if ($dimension{$dim}{'criteria.'.$id.'.mandatory'} 
-			    eq 'N') {
-			    $opt_count++;
-			    if ($status eq 'pass') { $opt_passed++; }
-			} else {
-			    $man_count++;
-			    if ($status eq 'pass') { $man_passed++; }
-			}
-		    }
-		    if ($man_passed eq $man_count) { $man_passed='all'; }
-
-		    my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
-		    if ($opt_req !~ /\S/) {
-			$opt_req=
-			    &Apache::lonxml::get_param('OptionalRequired',
-						       $parstack,$safeeval);
-			if ($opt_req !~ /\S/) { $opt_req = 0; }
+    }
+    my $instance=&get_instance($dim);
+    my $version=&get_version();
+    if ($target eq 'web') {
+	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
+	my @instances = $instance;
+	if (&Apache::response::showallfoils()) {
+	    @instances = @{$dimension{$dim}{'instances'}};
+	}
+	my $shown_question_text;
+	foreach my $instance (@instances) {
+	    $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
+				     [@_]);
+	    $result .= &nested_parse(\$dimension{$dim}{'questiontext'},
+				     [@_],{'set_dim_id' => undef});
+	    my $task_status = 
+		$Apache::lonhomework::history{"resource.$version.0.status"};
+	    if ($task_status ne 'pass' && $task_status ne 'fail') {
+		
+		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
+				@{$dimension{$dim}{'criterias'}}) {
+		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+		    &Apache::lonxml::debug("$id is $type");
+		    if ($type eq 'dimension') {
+			$result.=
+			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
+					  [@_],{'set_dim_id' => $id});
 		    }
-		    $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
-
-		    my $internal_location=&internal_location($dim);
-		    $result=~s/\Q$internal_location\E/$dim_info/;
-
-		    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
-				    @{$dimension{$dim}{'criterias'}}) {
-			my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
-			if ($type eq 'dimension') {
+		}
+	    } else {
+		my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
+		my $mandatory='Mandatory';
+		if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
+		    $mandatory='Optional';
+		}
+		my $dim_info=
+		    "\n<div class='LC_$dim_status LC_question_grade'>\n\t";
+		my $ucquestion = 
+		    my $question = 
+		    ('sub' x $dimension{$dim}{'depth'}).'question';
+		$ucquestion =~ s/^(.)/uc($1)/e;
+		if ($dim_status eq 'pass') {
+		    $dim_info.='<h3>'.$ucquestion.' : you passed this '.$mandatory.' '.$question.'</h3>';
+		}
+		if ($dim_status eq 'fail') {
+		    $dim_info.='<h3>'.$ucquestion.' : you did not pass this '.$mandatory.' '.$question.'</h3>';
+		}
+		my %counts = &get_counts($dim,$instance,$parstack,
+					 $safeeval);
+
+		$dim_info.="\n\t<p>"
+		    .&question_status_message(\%counts,
+					      $dimension{$dim}{'depth'})
+		    ."</p>\n</div>\n";
+		
+		foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
+				@{$dimension{$dim}{'criterias'}}) {
+		    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+		    if ($type eq 'dimension') {
+			if (defined($dimension{$id}{'result'})) {
 			    $result.=$dimension{$id}{'result'};
 			    next;
+			} else {
+			    $dim_info .=
+				&nested_parse(\$dimension{$dim}{'criteria.'.$id},
+					      [@_],{'set_dim_id' => $id});
 			}
+		    } else {
+			my $criteria =
+			    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
+					  [@_]);
+			$dim_info .= &layout_web_Criteria($dim,$id,$criteria);
 		    }
 		}
-	    }
-	} elsif ($target eq 'webgrade') {
-	    # in case of any side effects that we need
-	    &nested_parse(\$dimension{$dim}{'intro'},[@_]);
-	    &nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
-	    $result.=
-		&nested_parse(\$dimension{$dim}{'questiontext'},[@_],
-			      {'set_dim_id'          => undef,
-			       'delayed_dim_results' => 1});
-	    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
-			    @{$dimension{$dim}{'criterias'}} ) {
-		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
-		if ($type eq 'dimension') {
-		    # dimensional 'criteria' don't get assigned grades
-		    $result.=
-			&nested_parse(\$dimension{$dim}{'criteria.'.$id},
-				      [@_],{'set_dim_id' => $id});
-		    next;
-		}
-
-		my $link=&link($id);
-		my $status= &get_criteria('status',$version,$dim,$id);
-		$result.='<div class="LC_GRADING_criteria" id="'.$link.'">'."\n".
-		    '<div class="LC_GRADING_criteriatext" id="next_'.$last_link.'">'."\n";
-		$result.=
-		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},[@_]);
-
-		$result.='</div>'."\n".
-		    '<div class="LC_GRADING_grade">'."\n".
-		    '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
-		    '<label class="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
-		    '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
-		    '<label class="LC_GRADING_review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
-		    '</div>'."\n".
-		    '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
-		    '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode(&get_criteria('comment',$version,$dim,$id),'<>"&').'</textarea>'."\n".
-		    '</label>'."\n".
-		    '<ul class="LC_GRADING_navbuttons">'."\n".
-		    '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
-		    '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
-		    '</ul>'."\n".
-                    '</div>'."\n";
-		$result.=&grading_history($version,$dim,$id);
-		$last_link=$link;
-	    }
-	    if (&nest()) {
-		&Apache::lonxml::debug(" for $dim stashing results into ".$dimension{$dim}{'nested'});
-		$dimension{$dimension{$dim}{'nested'}}{'result'}.=$result;
-		undef($result);
-	    }
-	} elsif ($target eq 'grade' && $env{'form.webgrade'}) {
-	    my $optional_passed=0;
-	    my $mandatory_failed=0;
-	    my $ungraded=0;
-	    my $review=0;
-
-	    $result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
-	    $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
-				     [@_]);
-	    $result .= &nested_parse(\$dimension{$dim}{'questiontext'},
-				     [@_],{'set_dim_id' => undef});
-
-	    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
-			    @{$dimension{$dim}{'criterias'}}) {
-		my $link=&link($id);
-
-		my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
-		if ($type eq 'criteria') {
-		    # dimensional 'criteria' don't get assigned grades
-		    $Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
-		    $Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
+		# puts the results at the end of the dimension
+		if ($result =~m{<QuestionGradeInfo\s*/>}) {
+		    $result=~s{<QuestionGradeInfo\s*/>}{$dim_info};
 		} else {
-		    $result .=
-			&nested_parse(\$dimension{$dim}{'criteria.'.$id},
-				      [@_],{'set_dim_id' => $id});
+		    $result .= $dim_info;
 		}
-		my $status= &get_criteria('status',$version,$dim,$id);
-
-		my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
-		if ($status eq 'pass') {
-		    if (!$mandatory) { $optional_passed++; }
-		} elsif ($status eq 'fail') {
-		    if ($mandatory) { $mandatory_failed++; }
-		} elsif ($status eq 'review') {
-		    $review++;
-		} elsif ($status eq 'ungraded') {
-		    $ungraded++;
+		# puts the results at the beginning of the dimension
+		# my $internal_location=&internal_location($dim);
+		# $result=~s/\Q$internal_location\E/$dim_info/;
+	    }
+	}
+	if ($result !~ /^\s*$/s) {
+	    # FIXME? this maybe unneccssary in the future, (CSE101 BT
+	    # from Fall 2006 geenrate a div that attempts to hide some
+	    # of the output in an odd way, this is a workaround so
+	    # those old ones will continue to work.  # It puts the
+	    # LC_question div to come after any starting closie div
+	    # that the dimension produces
+	    if ($result =~ m{^\s*</div>}) {
+		$result =~ s{^(\s*</div>)}
+		            {$1\n<div id="$dim" class="LC_question">};
+	    } else {
+		$result = "\n".'<div id="'.$dim.'" class="LC_question">'.
+		    "\n".$result;
+	    }
+	    $result .= "\n</div>\n";
+	}
+    } elsif ($target eq 'webgrade') {
+	# in case of any side effects that we need
+	&nested_parse(\$dimension{$dim}{'intro'},[@_]);
+	&nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
+	$result.=
+	    &nested_parse(\$dimension{$dim}{'questiontext'},[@_],
+			  {'set_dim_id'          => undef,
+			   'delayed_dim_results' => 1});
+	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
+			@{$dimension{$dim}{'criterias'}} ) {
+	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+	    if ($type eq 'dimension') {
+		# dimensional 'criteria' don't get assigned grades
+		$result.=
+		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
+				  [@_],{'set_dim_id' => $id});
+		next;
+	    } else {
+		my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
+					     [@_]);
+		$criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
+		my $internal_location=&internal_location($id);
+		if ($result =~ m/\Q$internal_location\E/) {
+		    $result =~ s/\Q$internal_location\E/$criteria/;
 		} else {
-		    $ungraded++;
+		    $result.=$criteria ;
 		}
 	    }
-	    # FIXME optional required can apply to only <instance> right now...
-	    my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
-	    if ($opt_req !~ /\S/) {
-		$opt_req=
-		    &Apache::lonxml::get_param('OptionalRequired',
-					       $parstack,$safeeval);
-		if ($opt_req !~ /\S/) { $opt_req = 0; }
-	    }
-	    if ($optional_passed < $opt_req) {
-		$mandatory_failed++;
+	}
+	if (&nest()) {
+	    &Apache::lonxml::debug(" for $dim stashing results into ".$dimension{$dim}{'nested'});
+	    $dimension{$dimension{$dim}{'nested'}}{'result'}.=$result;
+	    undef($result);
+	}
+    } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
+	my $optional_passed=0;
+	my $mandatory_failed=0;
+	my $ungraded=0;
+	my $review=0;
+	
+	$result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
+	$result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
+				 [@_]);
+	$result .= &nested_parse(\$dimension{$dim}{'questiontext'},
+				 [@_],{'set_dim_id' => undef});
+	
+	foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
+			@{$dimension{$dim}{'criterias'}}) {
+	    my $link=&link($id);
+	    
+	    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
+	    if ($type eq 'criteria') {
+		# dimensional 'criteria' don't get assigned grades
+		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
+		$Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
+	    } else {
+		$result .=
+		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
+				  [@_],{'set_dim_id' => $id});
 	    }
-	    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$dim}{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
-	    if ($review) {
-		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
-		    'review';
-	    } elsif ($ungraded) {
-		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
-		    'ungraded';
-	    } elsif ($mandatory_failed) {
-		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
-		    'fail';
+	    my $status= &get_criteria('status',$version,$dim,$id);
+	    
+	    my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
+	    if ($status eq 'pass') {
+		if (!$mandatory) { $optional_passed++; }
+	    } elsif ($status eq 'fail') {
+		if ($mandatory) { $mandatory_failed++; }
+	    } elsif ($status eq 'review') {
+		$review++;
+	    } elsif ($status eq 'ungraded') {
+		$ungraded++;
 	    } else {
-		$Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
-		    'pass';
+		$ungraded++;
 	    }
+	}
+
+	my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
+	if ($opt_req !~ /\S/) {
+	    $opt_req=
+		&Apache::lonxml::get_param('OptionalRequired',
+					   $parstack,$safeeval);
+	    if ($opt_req !~ /\S/) { $opt_req = 0; }
+	}
+	if ($optional_passed < $opt_req) {
+	    $mandatory_failed++;
+	}
+	&Apache::lonxml::debug("all instance ".join(':',@{$dimension{$dim}{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
+	if ($review) {
+	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
+		'review';
+	} elsif ($ungraded) {
+	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
+		'ungraded';
+	} elsif ($mandatory_failed) {
+	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
+		'fail';
 	} else {
-	    # any other targets no output
-	    undef($result);
+	    $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
+		'pass';
 	}
+    } elsif ($target eq 'edit') {
+    } elsif ($target eq 'modified') {
+    } else {
+	# any other targets no output
+	undef($result);
+    }
+    if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
 	&disable_dimension_parsing();
 	pop(@Apache::bridgetask::dimension);
-	return $result;
     }
+    return $result;
+}
 
-    sub end_Setup {
-	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
-	my $result=&Apache::lonxml::endredirection();
-	my $dim=&get_id($parstack,$safeeval);
-	my $instance=&get_instance($dim);
-	my $version=&get_version();
-	if ($target eq 'web') {
-	    @Apache::scripttag::parser_env = @_;
-	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
-	    my @instances = $instance;
-	    if (&Apache::response::showallfoils()) {
-		@instances = @{$dimension{$dim}{'instances'}};
-	    }
-	    foreach my $instance (@instances) {
-		@Apache::scripttag::parser_env = @_;
-		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
-		@Apache::scripttag::parser_env = @_;
-		$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
+sub question_status_message {
+    my ($counts,$depth) = @_;
+    my %req  = ('man' => 'mandatory',
+		'opt' => 'optional',);
+    my %type = ('cri' => 'criteria',
+		'dim' => ('sub'x($depth+1)).'questions',);
+    my @sections;
+    foreach my $req ('man','opt') {
+	foreach my $type ('cri','dim') {
+	    if ($counts->{$req.'_'.$type}) {
+		push(@sections,
+		     $counts->{$req.'_'.$type.'_passed'}.' of the '.
+		     $counts->{$req.'_'.$type}.' '.
+		     $req{$req}.' '.$type{$type});
 	    }
-	} elsif ($target eq 'webgrade' 
-		 || $target eq 'grade' && $env{'form.webgrade'}) {
-	    # in case of any side effects that we need
-	    @Apache::scripttag::parser_env = @_;
-	    &Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
+	}
+    }
+
+    my $status = 'You passed ';
+    if (@sections == -1) {
+    } elsif (@sections == 1) {
+	$status .= $sections[0];
+    } elsif (@sections == 2) {
+	$status .= $sections[0].' and '.$sections[1];
+    } else {
+	my $last = pop(@sections);
+	$status .= join(', ',@sections).', and '.$last;
+    }
+    $status .= '.';
+    if ($counts->{'opt'}) {
+	$status .= ' You were required to pass '.$counts->{'opt_req'}.
+	    ' optional ';
+	if ($counts->{'opt_dim'} + $counts->{'man_dim'} < 1) {
+	    $status .=
+		($counts->{'opt_req'} == 1?'criterion':'criteria');
+	} else {
+	    $status .=
+		'component'.($counts->{'opt_req'} == 1?'':'s');
+	}
+	$status .= '.';
+    }
+    return $status;
+}
+
+sub get_counts {
+    my ($dim,$instance,$parstack,$safeeval) = @_;
+    my %counts;
+    my @possible = ('man_cri','man_dim',
+		    'opt_cri','opt_dim',
+		    'man_cri_passed', 'man_dim_passed',
+		    'opt_cri_passed', 'opt_dim_passed',
+		    'man_passed',
+		    'opt_passed',
+		    'opt_req');
+    foreach my $which (@possible) { $counts{$which} = 0; }
+
+    my $version = &get_version();
+
+    foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
+		     @{$dimension{$dim}{'criterias'}} ) {
+	my $status = &get_criteria('status',$version,$dim,$id);
+	my $which;
+	if ($dimension{$dim}{'criteria.'.$id.'.mandatory'} 
+	    eq 'N') {
+	    $which = 'opt';
+	} else {
+	    $which = 'man';
+	}
+	$counts{$which}++;
+	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
+	if ($dimension{$dim}{'criteria.'.$id.'.type'}
+	    eq 'dimension') {
+	    $which .= '_dim';
+	} else {
+	    $which .= '_cri';
+	}
+	$counts{$which}++;
+	if ($status eq 'pass') { $counts{$which.'_passed'}++; }
+
+
+    }
+    if ($counts{'man_dim_passed'} eq $counts{'man_dim'}) {
+	$counts{'man_dim_passed'}='all';
+    }
+    if ($counts{'man_cri_passed'} eq $counts{'man_cri'}) {
+	$counts{'man_cri_passed'}='all';
+    }
+    
+    $counts{'opt_req'}=$dimension{$dim}{$instance.'.optionalrequired'};
+    if ($counts{'opt_req'} !~ /\S/) {
+	$counts{'opt_req'}= &Apache::lonxml::get_param('OptionalRequired',
+						       $parstack,$safeeval);
+	if ($counts{'opt_req'} !~ /\S/) { $counts{'opt_req'} = 0; }
+    }
+    return %counts;
+}
+
+sub end_Setup {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+    my $result;
+    my $dim=&get_id($parstack,$safeeval);
+    my $instance=&get_instance($dim);
+    my $version=&get_version();
+    if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
+	$result=&Apache::lonxml::endredirection();
+    }
+    if ($target eq 'web') {
+	@Apache::scripttag::parser_env = @_;
+	$result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
+	my @instances = $instance;
+	if (&Apache::response::showallfoils()) {
+	    @instances = @{$dimension{$dim}{'instances'}};
+	}
+	foreach my $instance (@instances) {
 	    @Apache::scripttag::parser_env = @_;
-	    &Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
+	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
 	    @Apache::scripttag::parser_env = @_;
-	    &Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
-	} else {
-	    # any other targets no output
-	    undef($result);
+	    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
 	}
-	pop(@Apache::bridgetask::dimension);
-	return $result;
+    } elsif ($target eq 'webgrade' 
+	     || $target eq 'grade' && $env{'form.webgrade'}) {
+	# in case of any side effects that we need
+	@Apache::scripttag::parser_env = @_;
+	&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
+	@Apache::scripttag::parser_env = @_;
+	&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
+	@Apache::scripttag::parser_env = @_;
+	&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
+    } else {
+	# any other targets no output
+	undef($result);
     }
+    pop(@Apache::bridgetask::dimension);
+    return $result;
 }
 
 sub grading_history {
@@ -2394,7 +2693,9 @@ sub grading_history {
 	return '';
     }
     my ($result,$grader);
-    my $scope="resource.$version.0.$dim.$id";
+    my $scope="resource.$version.0.";
+    $scope .= ($dim ne $top) ? "$dim.$id"
+	                     : "$id";
     foreach my $t (1..$Apache::lonhomework::history{'version'}) {
 	if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
 	    my ($gname,$gdom) = 
@@ -2411,11 +2712,12 @@ sub grading_history {
 	    $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
 	}
 	if ($entry) {
-	    $result.= "<li>$grader : $entry </li>";
+	    $result.= "\n\t\t<li>\n\t\t\t$grader :\n\t\t\t $entry \n\t\t</li>";
 	}
     }
     if ($result) {
-	return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
+	return "\n\t".'<ul class="LC_GRADING_pastgrading">'.$result.
+	    "\n\t".'</ul>'."\n";
     }
     return '';
 }
@@ -2433,6 +2735,9 @@ sub start_IntroParagraph {
 	    &Apache::lonxml::startredirection();
 	}
 	
+    } elsif ($target eq 'edit') {
+	$result = &Apache::edit::tag_start($target,$token);
+    } elsif ($target eq 'modified') {
     }
     return $result;
 }
@@ -2444,6 +2749,14 @@ sub end_IntroParagraph {
     }
 }
 
+sub insert_IntroParagraph {
+    return '
+<IntroParagraph>
+    <startouttext />
+    <endouttext />
+</IntroParagraph>';
+}
+
 sub start_Instance {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $dim = &get_dim_id();
@@ -2457,34 +2770,83 @@ sub start_Instance {
     if (lc($disabled) eq 'yes') {
 	$dimension{$dim}{$id.'.disabled'}='1';
     }
-    return '';
+    my $result;
+    if ($target eq 'edit') {
+	$result = &Apache::edit::tag_start($target,$token);
+	$result.=  
+	    &Apache::edit::text_arg('Id:','id',$token,10).' '.
+	    &Apache::edit::select_arg('Instance is Disabled:','Disabled',
+				      [['no', 'No'],
+				       ['yes','Yes'],],
+				      $token)
+	    .' <br /> '.
+	    &Apache::edit::text_arg('Required number of passed optional elements to pass the Instance:',
+				    'OptionalRequired',$token,4)
+	    .&Apache::edit::end_row().
+	    &Apache::edit::start_spanning_row();
+    } elsif ($target eq 'modified') {
+	my $constructtag=
+	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
+					'id','OptionalRequired','Disabled');
+	if ($constructtag) {
+	    $result = &Apache::edit::rebuild_tag($token);
+	}
+    }
+    return $result;
 }
 
 sub end_Instance {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+    my $result;
+    if ($target eq 'edit') {
+	$result = &Apache::edit::tag_end($target,$token);
+    }
+    return $result;
 }
 
 sub start_InstanceText {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-    my $dim = &get_dim_id();
-    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
-    my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
+    my $result;
     if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+	my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
+	my $dim = &get_dim_id();
+	my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
 	$dimension{$dim}{$instance_id.'.text'}=$text;
+    } elsif ($target eq 'edit') {
+	$result = &Apache::edit::tag_start($target,$token);
+    } elsif ($target eq 'modified') {
     }
-    return '';
+    return $result;
 }
 
 sub end_InstanceText {
     return '';
 }
 
+sub insert_InstanceText {
+    return '
+<InstanceText>
+    <startouttext />
+    <endouttext />
+</InstanceText>';
+}
+
 sub start_Criteria {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-    my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
     my $result = '';
     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
+	my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
 	my $dim = &get_dim_id();
 	my $id=&get_id($parstack,$safeeval);
+	if ($target eq 'web' || $target eq 'webgrade') {
+	    if ($target eq 'webgrade') {
+		&Apache::lonxml::debug(" for $dim $id stashing results into $dim ");
+		$dimension{$dim}{'result'} .= &internal_location($id);
+	    } else {
+		&Apache::lonxml::debug(" not stashing $dim $id");
+		#$result .= &internal_location($id);
+	    }
+	}
 	&Apache::lonxml::debug("Criteria $id with $dim");
 	if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
 	    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
@@ -2499,51 +2861,160 @@ sub start_Criteria {
 	    $dimension{$dim}{'criteria.'.$id.'.mandatory'}=
 		&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
 	    push(@{$dimension{$dim}{'criterias'}},$id);
-
-	    my $version=&get_version();
-	    my $task_status = 
-		$Apache::lonhomework::history{"resource.$version.0.status"};
-	    if ($target eq 'web' 
-		&& ($task_status eq 'pass' || $task_status eq 'fail')) {
-		my $status= &get_criteria('status', $version,$dim,$id);
-		my $comment=&get_criteria('comment',$version,$dim,$id);
-		my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
-		if ($mandatory) {
-		    $mandatory='Mandatory';
-		} else {
-		    $mandatory='Optional';
-		}
-		my $status_display=$status;
-		$status_display=~s/^([a-z])/uc($1)/e;
-		$result.=
-		    '<div class="LC_'.$status.' LC_criteria"><h4>'
-		    .$mandatory.' Criteria</h4><p>';
-		$result.=
-		    &nested_parse(\$dimension{$dim}{'criteria.'.$id},[@_]);
-		$result.='</p><p class="LC_grade">'.$status_display.'</p>';
-		if ($comment =~ /\w/) {
-		    $result.='<p class="LC_comment">'.
-			&mt('Comment: [_1]',$comment).'</p>';
-		}
-		$result.='</div>';
-	    }
 	}
+    } elsif ($target eq 'edit') {
+	$result .=&Apache::edit::tag_start($target,$token);
+	$result.=  
+	    &Apache::edit::text_arg('Id:','id',$token,10).' '.
+	    &Apache::edit::select_arg('Passing is Mandatory:','Mandatory',
+				      [['yes', 'Yes'],
+				       ['no','No'],],
+				      $token)
+	    .' <br /> '.&Apache::edit::end_row().
+	    &Apache::edit::start_spanning_row();
+    } elsif ($target eq 'modified') {
+	my $constructtag=
+	    &Apache::edit::get_new_args($token,$parstack,$safeeval,
+					'id','Mandatory');
+	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
     }
     return $result;
 }
 
+sub layout_web_Criteria {
+    my ($dim,$id,$criteria) = @_;
+
+    my $version = &get_version();
+    my $status= &get_criteria('status', $version,$dim,$id);
+    my $comment=&get_criteria('comment',$version,$dim,$id);
+    my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
+    if ($mandatory) {
+	$mandatory='Mandatory';
+    } else {
+	$mandatory='Optional';
+    }
+    my $status_display=$status;
+    $status_display=~s/^([a-z])/uc($1)/e;
+    my $criteria_info.=
+	'<div class="LC_'.$status.' LC_criteria">'."\n\t".'<h4>'
+	.$mandatory.' Criteria</h4>'."\n\t".'<p class="LC_criteria_text">'
+	."\n";
+    $criteria =~ s/^\s*//s;
+    $criteria =~ s/\s*$//s;
+    $criteria_info.= $criteria;
+    $criteria_info.="\n\t".'</p>'.
+	"\n\t".'<p class="LC_grade">'.$status_display.'</p>';
+    if ($comment =~ /\w/) {
+	$criteria_info.=
+	    "\n\t".
+	    '<p class="LC_comment">'.&mt('Comment: [_1]',$comment).'</p>';
+    }
+    $criteria_info.="\n".'</div>'."\n";
+    
+    return $criteria_info;
+}
+
+sub layout_webgrade_Criteria {
+    my ($dim,$id,$criteria) = @_;
+    my $link=&link($id);
+    my $version = &get_version();
+    my $status  = &get_criteria('status',$version,$dim,$id);
+    my %lt = ( 'ungraded' => 'Ungraded',
+	       'fail'     => 'Fail',
+	       'pass'     => 'Pass',
+	       'review'   => 'Review',
+	       'comment'  => 'Additional Comment for Student',
+	       );
+    %lt = &Apache::lonlocal::texthash(%lt);
+    my $comment = &get_criteria('comment',$version,$dim,$id);
+    $comment = &HTML::Entities::encode($comment,'<>"&');
+    my %checked;
+    foreach my $which ('ungraded','fail','pass','review') {
+	if ($status eq $which) { $checked{$which} = 'checked="checked"'; }
+    }
+    if (!%checked) { $checked{'ungraded'} = 'checked="checked"'; }
+    my $buttons;
+    foreach my $which  ('ungraded','fail','pass','review') {
+	$buttons .= <<END_BUTTON;
+		<label class="LC_GRADING_$which">
+			<input type="radio" name="HWVAL_$link" value="$which" $checked{$which} />
+			$lt{$which}
+		</label>
+END_BUTTON
+    }
+    $criteria =~ s/^\s*//s;
+    $criteria =~ s/\s*$//s;
+    my $result = <<END_CRITERIA;
+<div class="LC_GRADING_criteria">
+	<div class="LC_GRADING_criteriatext">
+		$criteria
+	</div>
+	<div class="LC_GRADING_grade">
+$buttons
+	</div>
+	<label class="LC_GRADING_comment">
+		$lt{'comment'}
+		<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_$link">$comment</textarea>
+	</label>
+</div>
+END_CRITERIA
+    $result .= &grading_history($version,$dim,$id);
+    return $result;
+}
+
 sub end_Criteria {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    if ($target eq 'edit') {
+    } elsif ($target eq 'modified') {
+    }
+}
+sub insert_Criteria {
+    return '
+<Criteria>
+    <CriteriaText>
+        <startouttext />
+        <endouttext />
+    </CriteriaText>
+</Criteria>';
+}
+
+sub start_CriteriaText {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    my $result;
+    if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
+	
+    } elsif ($target eq 'edit') {
+	$result = &Apache::edit::tag_start($target,$token);
+    } elsif ($target eq 'modified') {
+    }
+    return $result;
+}
+
+sub end_CriteriaText {
+    return '';
+}
+
+sub insert_CriteriaText {
+    return '
+<CriteriaText>
+    <startouttext />
+    <endouttext />
+</CriteriaText>';
 }
 
 sub start_GraderNote {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
-    
+    my $result;
     if ($target eq 'webgrade') {
-	return '<div class="LC_GRADING_gradernote"><b>'.
+	$result = '<div class="LC_GRADING_gradernote"><b>'.
 	    &mt('Note to graders:').'</b>';
+    } elsif ($target eq 'edit') {
+	$result = &Apache::edit::tag_start($target,$token);
+    } elsif ($target eq 'modified') {
+    } elsif ($target eq 'web' || $target eq 'grade') {
+	my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style); 
     }
-    my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style); 
-    return;
+    return $result;
 }
 
 sub end_GraderNote {
@@ -2555,25 +3026,56 @@ sub end_GraderNote {
     return;
 }
 
+sub insert_GraderNote {
+    return '
+<GraderNote>
+    <startouttext />
+    <endouttext />
+</GraderNote>';
+}
 
 
 sub proctor_validation_screen {
     my ($slot) = @_;
     my (undef,undef,$domain,$user) = &Apache::lonnet::whichuser();
     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
+    if ($url ne '/adm/lonKaputt/lonlogo_broken.gif') {
+	$url = "<tr><td colspan=\"2\"><img src=\"$url\" /></td></tr>";
+    } else {
+	undef($url);
+    }
+
     my $name=&Apache::loncommon::plainname($user,$domain);
     
     my $msg;
     if ($env{'form.proctorpassword'}) {
-	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
-	    .'</font></p>';
+	$msg.='<p><span class="LC_warning">'
+	    .&mt("Failed to authenticate the proctor.")
+	    .'</span></p>';
+    }
+
+    my $valid;
+    my @possible_proctors=split(",",$slot->{'proctor'});
+    foreach my $proctor (@possible_proctors) {
+	if ($proctor =~ /$LONCAPA::username_re:$LONCAPA::domain_re/) {
+	    $valid = 1;
+	    last;
+	}
     }
+    if (!$valid) {
+	$msg.='<p><span class="LC_error">'
+	    .&mt("No valid poctors are defined.")
+	    .'</span></p>';
+    }
+    
     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
+    my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
+    $uri = &HTML::Entities::encode($uri,'<>&"');
     my $result= (<<ENDCHECKOUT);
 <h2>Proctor Validation</h2>
     <p>Your room's proctor needs to validate your access to this resource.</p>
     $msg
-<form name="checkout" method="post" action="$env{'request.uri'}">
+<form name="checkout" method="post" action="$uri">
 <input type="hidden" name="validate" value="yes" />
 <input type="hidden" name="submitted" value="yes" />
 <table>
@@ -2589,7 +3091,7 @@ sub proctor_validation_screen {
       <tr><td>Name:</td><td>$name</td></tr>
       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
       <tr><td>Usename</td><td>$user:$domain</td></tr>
-      <tr><td colspan="2"><img src="$url" /></td></tr>
+      $url
     </table>
   </tr></td>
 </table>