--- loncom/homework/grades.pm	2016/01/31 21:25:42	1.737
+++ loncom/homework/grades.pm	2016/10/14 16:47:25	1.738
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.737 2016/01/31 21:25:42 raeburn Exp $
+# $Id: grades.pm,v 1.738 2016/10/14 16:47:25 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3576,19 +3576,67 @@ sub viewgrades {
 	&build_section_inputs().
 	'<input type="hidden" name="Status" value="'.$env{'stu_status'}.'" />'."\n".
 
-    my ($common_header,$specific_header);
-    if ($env{'form.section'} eq 'all') {
-	$common_header = &mt('Assign Common Grade to Class');
-        $specific_header = &mt('Assign Grade to Specific Students in Class');
-    } elsif ($env{'form.section'} eq 'none') {
-        $common_header = &mt('Assign Common Grade to Students in no Section');
-	$specific_header = &mt('Assign Grade to Specific Students in no Section');
-    } else {
-        my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
-        $common_header = &mt('Assign Common Grade to Students in Section(s) [_1]',$section_display);
-	$specific_header = &mt('Assign Grade to Specific Students in Section(s) [_1]',$section_display);
+    #retrieve selected groups
+    my (@groups,$group_display);
+    @groups = &Apache::loncommon::get_env_multiple('form.group');
+    if (grep(/^all$/,@groups)) {
+        @groups = ('all');
+    } elsif (grep(/^none$/,@groups)) {
+        @groups = ('none');
+    } elsif (@groups > 0) {
+        $group_display = join(', ',@groups);
+    }
+
+    my ($common_header,$specific_header,@sections,$section_display);
+    @sections = &Apache::loncommon::get_env_multiple('form.section');
+    if (grep(/^all$/,@sections)) {
+        @sections = ('all');
+        if ($group_display) {
+            $common_header = &mt('Assign Common Grade to Students in Group(s) [_1]',$group_display);
+            $specific_header = &mt('Assign Grade to Specific Students in Group(s) [_1]',$group_display);
+        } elsif (grep(/^none$/,@groups)) {
+            $common_header = &mt('Assign Common Grade to Students not assigned to any groups');
+            $specific_header = &mt('Assign Grade to Specific Students not assigned to any groups');
+        } else {
+	    $common_header = &mt('Assign Common Grade to Class');
+            $specific_header = &mt('Assign Grade to Specific Students in Class');
+        }
+    } elsif (grep(/^none$/,@sections)) {
+        @sections = ('none');
+        if ($group_display) {
+            $common_header = &mt('Assign Common Grade to Students in no Section and in Group(s) [_1]',$group_display);
+            $specific_header = &mt('Assign Grade to Specific Students in no Section and in Group(s)',$group_display);
+        } elsif (grep(/^none$/,@groups)) {
+            $common_header = &mt('Assign Common Grade to Students in no Section and in no Group');
+            $specific_header = &mt('Assign Grade to Specific Students in no Section and in no Group');
+        } else {
+            $common_header = &mt('Assign Common Grade to Students in no Section');
+	    $specific_header = &mt('Assign Grade to Specific Students in no Section');
+        }
+    } else {
+        $section_display = join (", ",@sections);
+        if ($group_display) {
+            $common_header = &mt('Assign Common Grade to Students in Section(s) [_1], and in Group(s) [_2]',
+                                 $section_display,$group_display);
+            $specific_header = &mt('Assign Grade to Specific Students in Section(s) [_1], and in Group(s) [_2]',
+                                   $section_display,$group_display);
+        } elsif (grep(/^none$/,@groups)) {
+            $common_header = &mt('Assign Common Grade to Students in Section(s) [_1] and no Group',$section_display);
+            $specific_header = &mt('Assign Grade to Specific Students in Section(s) [_1] and no Group',$section_display);
+        } else {
+            $common_header = &mt('Assign Common Grade to Students in Section(s) [_1]',$section_display);
+	    $specific_header = &mt('Assign Grade to Specific Students in Section(s) [_1]',$section_display);
+        }
+    }
+    my %submit_types = &substatus_options();
+    my $submission_status = $submit_types{$env{'form.submitonly'}};
+
+    if ($env{'form.submitonly'} eq 'all') {
+        $result.= '<h3>'.$common_header.'</h3>';
+    } else {
+        $result.= '<h3>'.$common_header.'&nbsp;'.&mt('(submission status: "[_1]")',$submission_status).'</h3>';
     }
-    $result.= '<h3>'.$common_header.'</h3>'.&Apache::loncommon::start_data_table();
+    $result .= &Apache::loncommon::start_data_table();
     #radio buttons/text box for assigning points for a section or class.
     #handles different parts of a problem
     my $res_error;
@@ -3651,8 +3699,12 @@ sub viewgrades {
 
     #table listing all the students in a section/class
     #header of table
-    $result.= '<h3>'.$specific_header.'</h3>'.
-              &Apache::loncommon::start_data_table().
+    if ($env{'form.submitonly'} eq 'all') {
+        $result.= '<h3>'.$specific_header.'</h3>';
+    } else {
+        $result.= '<h3>'.$specific_header.'&nbsp;'.&mt('(submission status: "[_1]")',$submission_status).'</h3>';
+    }
+    $result.= &Apache::loncommon::start_data_table().
 	      &Apache::loncommon::start_data_table_header_row().
 	      '<th>'.&mt('No.').'</th>'.
 	      '<th>'.&nameUserString('header')."</th>\n";
@@ -3698,7 +3750,7 @@ sub viewgrades {
 
     #get info for each student
     #list all the students - with points and grade status
-    my (undef,undef,$fullname) = &getclasslist($env{'form.section'},'1');
+    my (undef,undef,$fullname) = &getclasslist(\@sections,'1',\@groups);
     my $ctr = 0;
     foreach (sort 
 	     {
@@ -3707,35 +3759,142 @@ sub viewgrades {
 		 }
 		 return $a cmp $b;
 	     } (keys(%$fullname))) {
-	$ctr++;
 	$result.=&viewstudentgrade($symb,$env{'request.course.id'},
-				   $_,$$fullname{$_},\@parts,\%weight,$ctr,\%last_resets);
+				   $_,$$fullname{$_},\@parts,\%weight,\$ctr,\%last_resets);
     }
     $result.=&Apache::loncommon::end_data_table();
     $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";
     $result.='<input type="button" value="'.&mt('Save').'" '.
 	'onclick="javascript:submit();" target="_self" /></form>'."\n";
-    if (scalar(%$fullname) eq 0) {
-	my $colspan=3+scalar(@parts);
-	my $section_display = join (", ",&Apache::loncommon::get_env_multiple('form.section'));
+    if ($ctr == 0) {
         my $stu_status = join(' or ',&Apache::loncommon::get_env_multiple('form.Status'));
-	$result='<span class="LC_warning">'.
-	    &mt('There are no students in section(s) [_1] with enrollment status [_2] to modify or grade.',
-	        $section_display, $stu_status).
-	    '</span>';
+        $result='<h3><span class="LC_info">'.&mt('Manual Grading').'</span></h3>'.
+                '<span class="LC_warning">';
+        if ($env{'form.submitonly'} eq 'all') {
+            if (grep(/^all$/,@sections)) {
+                if (grep(/^all$/,@groups)) {
+                    $result .= &mt('There are no students with enrollment status [_1] to modify or grade.',
+                                   $stu_status);
+                } elsif (grep(/^none$/,@groups)) {
+                    $result .= &mt('There are no students with no group assigned and with enrollment status [_1] to modify or grade.',
+                                   $stu_status); 
+                } else {
+                    $result .= &mt('There are no students in group(s) [_1] with enrollment status [_2] to modify or grade.',
+                                   $group_display,$stu_status);
+                }
+            } elsif (grep(/^none$/,@sections)) {
+                if (grep(/^all$/,@groups)) {
+                    $result .= &mt('There are no students in no section with enrollment status [_1] to modify or grade.',
+                                   $stu_status);
+                } elsif (grep(/^none$/,@groups)) {
+                    $result .= &mt('There are no students in no section and no group with enrollment status [_1] to modify or grade.',
+                                   $stu_status);
+                } else {
+                    $result .= &mt('There are no students in no section in group(s) [_1] with enrollment status [_2] to modify or grade.',
+                                   $group_display,$stu_status);
+                }
+            } else {
+                if (grep(/^all$/,@groups)) {
+                    $result .= &mt('There are no students in section(s) [_1] with enrollment status [_2] to modify or grade.',
+                                   $section_display,$stu_status);
+                } elsif (grep(/^none$/,@groups)) {
+                    $result .= &mt('There are no students in section(s) [_1] nd no group with enrollment status [_2] to modify or grade.',
+                                   $section_display,$stu_status);
+                } else {
+                    $result .= &mt('There are no students in section(s) [_1] and group(s) [_2] with enrollment status [_3] to modify or grade.',
+                                   $section_display,$group_display,$stu_status);
+                }
+            }
+        } else {
+            if (grep(/^all$/,@sections)) {
+                if (grep(/^all$/,@groups)) {
+                    $result .= &mt('There are no students with enrollment status [_1] and submission status "[_2]" to modify or grade.',
+                                   $stu_status,$submission_status);
+                } elsif (grep(/^none$/,@groups)) {
+                    $result .= &mt('There are no students with no group assigned with enrollment status [_1] and submission status "[_2]" to modify or grade.',
+                                   $stu_status,$submission_status);
+                } else {
+                    $result .= &mt('There are no students in group(s) [_1] with enrollment status [_2] and submission status "[_3]" to modify or grade.',
+                                   $group_display,$stu_status,$submission_status);
+                }
+            } elsif (grep(/^none$/,@sections)) {
+                if (grep(/^all$/,@groups)) {
+                    $result .= &mt('There are no students in no section with enrollment status [_1] and submission status "[_2]" to modify or grade.',
+                                   $stu_status,$submission_status);
+                } elsif (grep(/^none$/,@groups)) {
+                    $result .= &mt('There are no students in no section and no group with enrollment status [_1] and submission status "[_2]" to modify or grade.',
+                                   $stu_status,$submission_status);
+                } else {
+                    $result .= &mt('There are no students in no section in group(s) [_1] with enrollment status [_2] and submission status "[_3]" to modify or grade.',
+                                   $group_display,$stu_status,$submission_status);
+                }
+            } else {
+                if (grep(/^all$/,@groups)) {
+	            $result .= &mt('There are no students in section(s) [_1] with enrollment status [_2] and submission status "[_3]" to modify or grade.',
+	                           $section_display,$stu_status,$submission_status);
+                } elsif (grep(/^none$/,@groups)) {
+                    $result .= &mt('There are no students in section(s) [_1] and no group with enrollment status [_2] and submission status "[_3]" to modify or grade.',
+                                   $section_display,$stu_status,$submission_status);
+                } else {
+                    $result .= &mt('There are no students in section(s) [_1] and group(s) [_2] with enrollment status [_3] and submission status "[_4]" to modify or grade.',
+                                   $section_display,$group_display,$stu_status,$submission_status);
+                }
+            }
+        }
+	$result .= '</span><br />';
     }
     return $result;
 }
 
-#--- call by previous routine to display each student
+#--- call by previous routine to display each student who satisfies submission filter. 
 sub viewstudentgrade {
     my ($symb,$courseid,$student,$fullname,$parts,$weight,$ctr,$last_resets) = @_;
     my ($uname,$udom) = split(/:/,$student);
     my %record=&Apache::lonnet::restore($symb,$courseid,$udom,$uname);
-    my %aggregates = (); 
+    my $submitonly = $env{'form.submitonly'};
+    unless (($submitonly eq 'all') || ($submitonly eq 'queued')) {
+        my %partstatus = ();
+        if (ref($parts) eq 'ARRAY') {
+            foreach my $apart (@{$parts}) {
+                my ($part,$type) = &split_part_type($apart);
+                my ($status,undef) = split(/_/,$record{"resource.$part.solved"},2);
+                $status = 'nothing' if ($status eq '');
+                $partstatus{$part}      = $status;
+                my $subkey = "resource.$part.submitted_by";
+                $partstatus{$subkey} = $record{$subkey} if ($record{$subkey} ne '');
+            }
+            my $submitted = 0;
+            my $graded = 0;
+            my $incorrect = 0;
+            foreach my $key (keys(%partstatus)) {
+                $submitted = 1 if ($partstatus{$key} ne 'nothing');
+                $graded = 1 if ($partstatus{$key} =~ /^ungraded/);
+                $incorrect = 1 if ($partstatus{$key} =~ /^incorrect/);
+
+                my $partid = (split(/\./,$key))[1];
+                if ($partstatus{'resource.'.$partid.'.'.$key.'.submitted_by'} ne '') {
+                    $submitted = 0;
+                }
+            }
+            return if (!$submitted && ($submitonly eq 'yes' ||
+                                       $submitonly eq 'incorrect' ||
+                                       $submitonly eq 'graded'));
+            return if (!$graded && ($submitonly eq 'graded'));
+            return if (!$incorrect && $submitonly eq 'incorrect');
+        }
+    }
+    if ($submitonly eq 'queued') {
+        my ($cdom,$cnum) = split(/_/,$courseid);
+        my %queue_status =
+            &Apache::bridgetask::get_student_status($symb,$cdom,$cnum,
+                                                    $udom,$uname);
+        return if (!defined($queue_status{'gradingqueue'}));
+    }
+    $$ctr++;
+    my %aggregates = ();
     my $result=&Apache::loncommon::start_data_table_row().'<td align="right">'.
-	'<input type="hidden" name="ctr'.($ctr-1).'" value="'.$student.'" />'.
-	"\n".$ctr.'&nbsp;</td><td>&nbsp;'.
+	'<input type="hidden" name="ctr'.($$ctr-1).'" value="'.$student.'" />'.
+	"\n".$$ctr.'&nbsp;</td><td>&nbsp;'.
 	'<a href="javascript:viewOneStudent(\''.$uname.'\',\''.$udom.
 	'\');" target="_self">'.$fullname.'</a> '.
 	'<span class="LC_internal_info">('.$uname.($env{'user.domain'} eq $udom ? '' : ':'.$udom).')</span></td>'."\n";
@@ -3747,7 +3906,6 @@ sub viewstudentgrade {
         my ($aggtries,$totaltries);
         unless (exists($aggregates{$part})) {
 	    $totaltries = $record{'resource.'.$part.'.tries'};
-
 	    $aggtries = $totaltries;
             if ($$last_resets{$part}) {  
                 $aggtries = &get_num_tries(\%record,$$last_resets{$part},
@@ -9480,7 +9638,7 @@ sub submit_options_table {
     $result.='<form action="/adm/grades" method="post" name="gradingMenu">'."\n".
         '<input type="hidden" name="symb"        value="'.&Apache::lonenc::check_encrypt($symb).'" />'."\n";
 
-    $result.=&selectfield(0).
+    $result.=&selectfield(1).
             '<input type="hidden" name="command" value="viewgrades" />
             <div>
               <input type="submit" value="'.&mt('Next').' &rarr;" />
@@ -9536,13 +9694,8 @@ sub submit_options {
 sub selectfield {
    my ($full)=@_;
    my %options = 
-          (&Apache::lonlocal::texthash(
-             'yes'       => 'with submissions',
-             'queued'    => 'in grading queue',
-             'graded'    => 'with ungraded submissions',
-             'incorrect' => 'with incorrect submissions',
-             'all'       => 'with any status'),
-             'select_form_order' => ['yes','queued','graded','incorrect','all']);
+          (&substatus_options,
+           'select_form_order' => ['yes','queued','graded','incorrect','all']);
    my $result='<div class="LC_columnSection">
   
     <fieldset>
@@ -9578,6 +9731,15 @@ sub selectfield {
     return $result;
 }
 
+sub substatus_options {
+    return &Apache::lonlocal::texthash(
+                                      'yes'       => 'with submissions',
+                                      'queued'    => 'in grading queue',
+                                      'graded'    => 'with ungraded submissions',
+                                      'incorrect' => 'with incorrect submissions',
+                                      'all'       => 'with any status');
+}
+
 sub reset_perm {
     undef(%perm);
 }