--- loncom/homework/bridgetask.pm	2006/06/23 22:32:39	1.178
+++ loncom/homework/bridgetask.pm	2006/11/06 16:55:53	1.184.2.3
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: bridgetask.pm,v 1.178 2006/06/23 22:32:39 albertel Exp $
+# $Id: bridgetask.pm,v 1.184.2.3 2006/11/06 16:55:53 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -43,7 +43,7 @@ use LONCAPA;
  
 
 BEGIN {
-    &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','ClosingParagraph'));
+    &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','GraderNote','ClosingParagraph'));
 }
 
 my %dimension;
@@ -152,11 +152,14 @@ sub create_new_version {
     } elsif ($type eq 'problem') {
 	&Apache::lonxml::debug("authed $slot_name");
     }
-
-    if (defined($user) && defined($domain)) {
-	$Apache::lonhomework::results{"resource.$id.checkedin"}=
-	    $user.':'.$domain;
+    if (!defined($user) || !defined($domain)) {
+	$user = $env{'user.name'};
+	$domain = $env{'user.domain'};
     }
+
+    $Apache::lonhomework::results{"resource.$id.checkedin"}=
+	$user.':'.$domain;
+
     if (defined($slot_name)) {
 	$Apache::lonhomework::results{"resource.$id.checkedin.slot"}=
 	    $slot_name;
@@ -323,9 +326,22 @@ sub style {
     my ($target) = @_;
     if ($target eq 'web'
 	|| $target eq 'webgrade') {
-	return (<<STYLE);
+	my $style = (<<STYLE);
 <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
 STYLE
+        if ($env{'browser.type'} eq 'explorer'
+	    && $env{'browser.os'} eq 'win' ) {
+	    if ($env{'browser.version'} < 7) {
+		$style .= (<<STYLE);
+<link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie.css" />
+STYLE
+            } else {
+		$style .= (<<STYLE);
+<link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie7.css" />
+STYLE
+	    }
+	}
+
     }
     return;
 }
@@ -372,6 +388,8 @@ sub nested_parse {
     @Apache::scripttag::parser_env = @old_env;
     if ($args->{'delayed_dim_results'}) {
 	my $dim = &get_dim_id();
+	&Apache::lonxml::debug(" tossing out $result ");
+	&Apache::lonxml::debug(" usining out $dim 's  ". $dimension{$dim}{'result'});
 	return $dimension{$dim}{'result'};
     }
     return $result;
@@ -387,8 +405,10 @@ sub submission_time_stamp {
     my $submissiontime;
     my $version=$Apache::lonhomework::history{'resource.0.version'};
     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
-	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
+	if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})
+	    && defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.tries'})) {
 	    $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
+	    last;
 	}
     }
     my $result;
@@ -399,16 +419,18 @@ sub submission_time_stamp {
 	my ($color,$when)=('#FF6666','after');
 	if ($diff > 0) { ($color,$when)=('#336600','before'); }
 	my $info;
+	$diff = abs($diff);
 	if ($diff%60) { $info=($diff%60).' seconds'; }
 	$diff=int($diff/60);
 	if ($diff%60) { $info=($diff%60).' minutes '.$info; }
 	$diff=int($diff/60);
 	if ($diff) {    $info=$diff.' hours '.$info; }
 	$result='<p><font color="'.$color.'">'.
-	    &mt('Student submitted [_1] [_2] the deadline. 
-                 (Submission was at [_3], end of period was [_4].)',
-		$info,$when,scalar(localtime($submissiontime)),
-		scalar(localtime($slot{'endtime'}))).
+	    &mt('Student submitted [_1] [_2] the deadline. '.
+		'(Submission was at [_3], end of period was [_4].)',
+		$info,$when,
+		&Apache::lonlocal::locallocaltime($submissiontime),
+		&Apache::lonlocal::locallocaltime($slot{'endtime'})).
 		'</font></p>';
     }
     return $result;
@@ -530,8 +552,8 @@ sub start_Task {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
 
     my ($status,$accessmsg,$slot);
+    &Apache::structuretags::init_problem_globals('Task');
     if ($target ne 'webgrade') {
-	&Apache::structuretags::init_problem_globals('Task');
 	&Apache::structuretags::initialize_storage();
 	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
 	if ($env{'request.state'} eq 'construct') {
@@ -1058,6 +1080,17 @@ DONEBUTTON
 		    &Apache::loncommon::end_page({'discussion' => 1});
 	    }
 	}
+
+	my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
+	my %queue_data = ('type' => 'Task',
+			  'time' => time,);
+	if (defined($Apache::inputtags::slot_name)) {
+	    $queue_data{'slot'} = $Apache::inputtags::slot_name;
+	} elsif (defined($Apache::lonhomework::history{"resource.$version.0.checkedin.slot"})) {
+	    $queue_data{'slot'} = $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
+	}
+	
+
 	if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
 	    my $award='SUBMITTED';
 	    &Apache::essayresponse::file_submission("$version.0",'bridgetask',
@@ -1080,20 +1113,8 @@ DONEBUTTON
 	    &Apache::lonhomework::showhash(%Apache::lonhomework::results);
 	    &Apache::structuretags::finalize_storage();
 	    if ($award eq 'SUBMITTED') {
-		my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
-		if ($useslots =~ /^\s*no\s*$/i) {
-		    &add_to_queue('gradingqueue',
-				  {'type' => 'Task',
-				   'time' => time});
-		} elsif (defined($Apache::inputtags::slot_name)) {
-		    &add_to_queue('gradingqueue',
-				  {'type' => 'Task',
-				   'time' => time,
-				   'slot' => $Apache::inputtags::slot_name});
-		}
+		&add_to_queue('gradingqueue',\%queue_data);
 	    }
-	} elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
-	    &Apache::structuretags::finalize_storage();
 	}
 	if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
 	    && exists($env{'form.cancel'})) {
@@ -1134,28 +1155,13 @@ DONEBUTTON
 		$env{'user.name'}.':'.$env{'user.domain'};
 	    if ($review) {
 		$Apache::lonhomework::results{"resource.$version.0.status"}='review';
-		if ($env{'form.queue'} eq 'reviewqueue') {
-		    &check_queue_unlock($env{'form.queue'});
-		    &Apache::lonxml::debug(" still needs review not changing status.");
-		} else {
-		    &move_between_queues($env{'form.queue'},'reviewqueue');
-		}
 	    } elsif ($ungraded) {
 		$Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
-		if ($env{'form.queue'} eq 'reviewqueue' ||
-		    $env{'form.queue'} eq 'none' ) {
-		    &Apache::lonxml::debug("moving back.");
-		    &move_between_queues($env{'form.queue'},'gradingqueue');
-		} else {
-		    &check_queue_unlock($env{'form.queue'});
-		}
 	    } elsif ($mandatory_failed) {
 		$Apache::lonhomework::results{"resource.$version.0.status"}='fail';
 		$Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
 		$Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
-		&remove_from_queue($env{'form.queue'}); 
-
 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
 		
 		if ($env{'form.regrade'} ne 'yes') {
@@ -1172,8 +1178,6 @@ DONEBUTTON
 		$Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
 		$Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
 		$Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
-		&remove_from_queue($env{'form.queue'});
-
 		my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
 		if ($env{'form.regrade'} ne 'yes') {
 		    $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
@@ -1197,6 +1201,38 @@ DONEBUTTON
 	    }
 	    &minimize_storage();
 	    &Apache::structuretags::finalize_storage();
+	    
+	    # data stored, now handle queue
+	    if ($review) {
+		if ($env{'form.queue'} eq 'reviewqueue') {
+		    &check_queue_unlock($env{'form.queue'});
+		    &Apache::lonxml::debug(" still needs review not changing status.");
+		} else {
+		    if ($env{'form.queue'} ne 'none') {
+			&move_between_queues($env{'form.queue'},'reviewqueue');
+		    } else {
+			&add_to_queue('reviewqueue',\%queue_data);
+		    }
+		}
+	    } elsif ($ungraded) {
+		if ($env{'form.queue'} eq 'reviewqueue') {
+		    &Apache::lonxml::debug("moving back.");
+		    &move_between_queues($env{'form.queue'},
+					 'gradingqueue');
+		} elsif ($env{'form.queue'} eq 'none' ) {
+		    &add_to_queue('gradingqueue',\%queue_data);	
+		} else {
+		    &check_queue_unlock($env{'form.queue'});
+		}
+	    } elsif ($mandatory_failed) {
+		&remove_from_queue($env{'form.queue'}); 
+	    } else {
+		&remove_from_queue($env{'form.queue'});
+	    }
+	}
+	if (exists($Apache::lonhomework::results{'INTERNAL_store'})) {
+	    # instance generation occured and hasn't yet been stored
+	    &Apache::structuretags::finalize_storage();
 	}
     } elsif ($target eq 'webgrade') {
 	$result.="</div>";
@@ -1220,7 +1256,12 @@ DONEBUTTON
 						      'Partial Credit Factor');
 	$result.=&Apache::response::meta_stores_write('status','string',
 						      'Bridge Task Status');
+    } elsif ($target eq 'edit') {
+	&Apache::structuretags::reset_problem_globals('Task');
+	undef($Apache::lonhomework::parsing_a_task);
+	return ('','no');
     }
+    &Apache::structuretags::reset_problem_globals('Task');
     undef($Apache::lonhomework::parsing_a_task);
     return $result;
 }
@@ -1540,7 +1581,6 @@ sub get_queue_counts {
     foreach my $key (sort(keys(%queue))) {
 	my ($symb,$uname,$udom) = &decode_queue_key($key);
 	if (!defined($classlist->{$uname.':'.$udom})) { next; }
-
 	if ($key=~/locked$/) {
 	    $locks++;
 	} elsif ($key=~/timestamp$/) {
@@ -2137,7 +2177,7 @@ sub get_criteria {
 		} else {
 		    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
 		    my $mandatory='Mandatory';
-		    if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
+		    if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
 			$mandatory='Optional';
 		    }
 		    my $dim_info="<div class='LC_$dim_status LC_question_grade'>\n";
@@ -2184,33 +2224,6 @@ sub get_criteria {
 			    $result.=$dimension{$id}{'result'};
 			    next;
 			}
-			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 {
-			    $mandatory='Optional';
-			}
-			if ($status eq 'fail') {
-			} elsif ($status eq 'pass') {
-			} else {
-			    &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
-			}
-			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},
-					  [@_],{'set_dim_id' => $id});
-			$result.='</p><p class="LC_grade">'.$status_display.'</p>';
-			if ($comment) {
-			    $result.='<p class="LC_comment">'.
-				&mt('Comment: [_1]',$comment).'</p>';
-			}
-			$result.='</div>';
 		    }
 		}
 	    }
@@ -2220,8 +2233,8 @@ sub get_criteria {
 	    &nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
 	    $result.=
 		&nested_parse(\$dimension{$dim}{'questiontext'},[@_],
-			      {'set_dim_id'        => undef,
-			       'delay_dim_results' => 1});
+			      {'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'};
@@ -2258,7 +2271,7 @@ sub get_criteria {
 		$result.=&grading_history($version,$dim,$id);
 		$last_link=$link;
 	    }
-	    if (&delay_result()) {
+	    if (&nest()) {
 		&Apache::lonxml::debug(" for $dim stashing results into ".$dimension{$dim}{'nested'});
 		$dimension{$dimension{$dim}{'nested'}}{'result'}.=$result;
 		undef($result);
@@ -2468,6 +2481,7 @@ sub end_InstanceText {
 sub start_Criteria {
     my ($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 $dim = &get_dim_id();
 	my $id=&get_id($parstack,$safeeval);
@@ -2485,14 +2499,64 @@ 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>';
+	    }
 	}
     }
-    return '';
+    return $result;
 }
 
 sub end_Criteria {
 }
 
+sub start_GraderNote {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+    
+    if ($target eq 'webgrade') {
+	return '<div class="LC_GRADING_gradernote"><b>'.
+	    &mt('Note to graders:').'</b>';
+    }
+    my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style); 
+    return;
+}
+
+sub end_GraderNote {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
+
+    if ($target eq 'webgrade') {
+	return '</div>';
+    }
+    return;
+}
+
+
+
 sub proctor_validation_screen {
     my ($slot) = @_;
     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();