--- loncom/homework/grades.pm	2003/12/04 23:23:16	1.166
+++ loncom/homework/grades.pm	2004/02/09 22:16:32	1.173
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.166 2003/12/04 23:23:16 albertel Exp $
+# $Id: grades.pm,v 1.173 2004/02/09 22:16:32 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -48,6 +48,7 @@ use Apache::lonhomework;
 use Apache::loncoursedata;
 use Apache::lonmsg qw(:user_normal_msg);
 use Apache::Constants qw(:common);
+use Apache::lonlocal;
 use String::Similarity;
 
 my %oldessays=();
@@ -88,10 +89,15 @@ sub getpartlist {
 
 # --- Get the symbolic name of a problem and the url
 sub get_symb_and_url {
-    my ($request) = @_;
+    my ($request,$silent) = @_;
     (my $url=$ENV{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
     my $symb=($ENV{'form.symb'} ne '' ? $ENV{'form.symb'} : (&Apache::lonnet::symbread($url)));
-    if ($symb eq '') { $request->print("Unable to handle ambiguous references:$url:."); return ''; }
+    if ($symb eq '') { 
+	if (!$silent) {
+	    $request->print("Unable to handle ambiguous references:$url:.");
+	    return ();
+	}
+    }
     return ($symb,$url);
 }
 
@@ -168,7 +174,7 @@ sub showResourceInfo {
     my $col=3;
     if ($checkboxes) { $col=4; }
     my $result ='<table border="0">'.
-	'<tr><td colspan="'.$col.'"><font size="+1"><b>Current Resource: </b>'.
+	'<tr><td colspan="'.$col.'"><font size="+1"><b>'.&mt('Current Resource').': </b>'.
 	$probTitle.'</font></td></tr>'."\n";
     my ($partlist,$handgrade,$responseType) = &response_type($url);
     my %resptype = ();
@@ -737,9 +743,12 @@ LISTJAVASCRIPT
 	if ($num_students eq 0) {
 	    $gradeTable='<br />&nbsp;<font color="red">There are no students currently enrolled.</font>';
 	} else {
+	    my $submissions='submissions';
+	    if ($submitonly eq 'incorrect') { $submissions = 'incorrect submissions'; }
+	    if ($submitonly eq 'graded'   ) { $submissions = 'ungraded submissions'; }
 	    $gradeTable='<br />&nbsp;<font color="red">'.
-		'No submissions found for this resource for any students. ('.$num_students.
-		' checked for submissions)</font><br />';
+		'No '.$submissions.' found for this resource for any students. ('.$num_students.
+		' students checked for '.$submissions.')</font><br />';
 	}
     } elsif ($ctr == 1) {
 	$gradeTable =~ s/type=checkbox/type=checkbox checked/;
@@ -1678,10 +1687,11 @@ KEYWORDS
 	my $toGrade.='<input type="button" value="Grade Student" '.
 	    'onClick="javascript:checksubmit(this.form,\'Grade Student\',\''
 	    .$counter.'\');" TARGET=_self> &nbsp;'."\n" if (&canmodify($usec));
-	$toGrade.='</td></tr></table></td></tr></table></form>'."\n";
-	$toGrade.=&show_grading_menu_form($symb,$url) 
-	    if (($ENV{'form.command'} eq 'submission') || 
-		($ENV{'form.command'} eq 'processGroup' && $counter == $total));
+	$toGrade.='</td></tr></table></td></tr></table>'."\n";
+	if (($ENV{'form.command'} eq 'submission') || 
+	    ($ENV{'form.command'} eq 'processGroup' && $counter == $total)) {
+	    $toGrade.='</form>'.&show_grading_menu_form($symb,$url) 
+	}
 	$request = print($toGrade);
 	return;
     }
@@ -2247,8 +2257,14 @@ sub viewgrades {
     &viewgrades_js($request);
 
     my ($symb,$url) = ($ENV{'form.symb'},$ENV{'form.url'}); 
-    my $result='<h3><font color="#339933">Manual Grading</font></h3>';
+    #need to make sure we have the correct data for later EXT calls, 
+    #thus invalidate the cache
+    &Apache::lonnet::devalidatecourseresdata(
+                 $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
+                 $ENV{'course.'.$ENV{'request.course.id'}.'.domain'});
+    &Apache::lonnet::clear_EXT_cache_status();
 
+    my $result='<h3><font color="#339933">'.&mt('Manual Grading').'</font></h3>';
     $result.='<font size=+1><b>Current Resource: </b>'.$ENV{'form.probTitle'}.'</font>'."\n";
 
     #view individual student submission form - called using Javascript viewOneStudent
@@ -3031,6 +3047,14 @@ sub displayPage {
     my ($classlist,undef,$fullname) = &getclasslist($getsec,'1');
     my ($uname,$udom) = split(/:/,$ENV{'form.student'});
     my $usec=$classlist->{$ENV{'form.student'}}[5];
+
+    #need to make sure we have the correct data for later EXT calls, 
+    #thus invalidate the cache
+    &Apache::lonnet::devalidatecourseresdata(
+                 $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
+                 $ENV{'course.'.$ENV{'request.course.id'}.'.domain'});
+    &Apache::lonnet::clear_EXT_cache_status();
+
     if (!&canview($usec)) {
 	$request->print('<font color="red">Unable to view requested student.('.$ENV{'form.student'}.')</font>');
 	$request->print(&show_grading_menu_form($symb,$url));
@@ -3202,7 +3226,7 @@ sub displaySubByDates {
 	    }
 	    if (exists $$record{"$version:resource.$partid.regrader"}) {
 		$displaySub[2].=$$record{"$version:resource.$partid.regrader"}.
-		    ' (<b>Part:</b> '.$partid.')';
+		    ' (<b>'.&mt('Part').':</b> '.$partid.')';
 	    }
 	}
 	# needed because old essay regrader has not parts info
@@ -4136,11 +4160,11 @@ SCANTRONFORM
 						 'last student');
     }
     &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
-    my $lasttime = &Time::HiRes::time()-$start;
-    $r->print("<p>took $lasttime</p>");
+#    my $lasttime = &Time::HiRes::time()-$start;
+#    $r->print("<p>took $lasttime</p>");
 
     $navmap->untieHashes();
-    $r->print("<p>Done</p>");
+    $r->print("</form><p>Done</p>");
     $r->print(&show_grading_menu_form($symb,$url));
     return '';
 }
@@ -4152,7 +4176,7 @@ sub scantron_upload_scantron_data {
 							  'domainid');
     my $domsel=&Apache::loncommon::select_dom_form($ENV{'request.role.domain'},
 						   'domainid');
-    my $default_form_data=&defaultFormData(&get_symb_and_url($r));
+    my $default_form_data=&defaultFormData(&get_symb_and_url($r,1));
     $r->print(<<UPLOAD);
 <script type="text/javascript" language="javascript">
     function checkUpload(formname) {
@@ -4208,7 +4232,10 @@ sub scantron_upload_scantron_data_save {
     $r->print(&Apache::lonnet::finishuserfileupload($ENV{'form.courseid'},
 						    $ENV{'form.domainid'},
 						    $home,'upfile',$fname));
-    $r->print(&show_grading_menu_form(&get_symb_and_url($r)));
+    $r->print('<br /><form action="/adm/grades" method="post">'."\n".
+	'<input type="hidden" name="command" value="scantronupload" />'."\n".
+	'<input type="submit" name="submit" value="Do Another Upload" />'."\n".
+	'</form>'."\n");
     return '';
 }
 
@@ -4315,7 +4342,7 @@ GRADINGMENUJS
 
     $result.='<table width="100%" border=0>';
     $result.='<tr bgcolor="#ffffe6" valign="top"><td>'."\n".
-	'&nbsp;Select Section: <select name="section">'."\n";
+	'&nbsp;'.&mt('Select Section').': <select name="section">'."\n";
     if (ref($sections)) {
 	foreach (sort (@$sections)) {
 	    $result.='<option value="'.$_.'" '.
@@ -4324,7 +4351,7 @@ GRADINGMENUJS
     }
     $result.= '<option value="all" '.($saveSec eq 'all' ? 'selected="on"' : ''). '>all</select> &nbsp; ';
 
-    $result.='Student Status:</b>'.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,undef);
+    $result.=&mt('Student Status').':</b>'.&Apache::lonhtmlcommon::StatusOptions($saveStatus,undef,1,undef);
 
     if (ref($sections) && (grep /no/,@$sections)) {
 	$result.='&nbsp;(Section "no" implies the students were not assigned a section.)<br />';
@@ -4333,8 +4360,8 @@ GRADINGMENUJS
 
     $result.='<tr bgcolor="#ffffe6"valign="top"><td>'.
 	'<input type="radio" name="radioChoice" value="submission" '.
-	($saveCmd eq 'submission' ? 'checked' : '').'> '.'<b>Current Resource:</b> For one or more students '.
-	'<select name="submitonly">'.
+	($saveCmd eq 'submission' ? 'checked' : '').'> '.'<b>'.&mt('Current Resource').':</b> '.&mt('For one or more students').
+	' <select name="submitonly">'.
 	'<option value="yes" '.
 	($saveSub eq 'yes' ? 'selected="on"' : '').'>with submissions</option>'.
 	'<option value="graded" '.