--- loncom/homework/grades.pm	2006/04/03 20:45:38	1.347
+++ loncom/homework/grades.pm	2006/04/09 20:53:27	1.348
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.347 2006/04/03 20:45:38 banghart Exp $
+# $Id: grades.pm,v 1.348 2006/04/09 20:53:27 bowersj2 Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -722,7 +722,14 @@ LISTJAVASCRIPT
     $gradeTable.='<label><input type="radio" name="lastSub" value="lastonly" '.$checklastsub.' /> last submission only </label>'."\n".
 	'<label><input type="radio" name="lastSub" value="last" /> last submission & parts info </label>'."\n".
 	'<label><input type="radio" name="lastSub" value="datesub" /> by dates and submissions </label>'."\n".
-	'<label><input type="radio" name="lastSub" value="all" /> all details</label>'."\n".
+	'<label><input type="radio" name="lastSub" value="all" /> all details</label><br />'."\n".
+        '&nbsp;<b>Grading Increments:</b> <select name="increment">'.
+        '<option value="1">Whole Points</option>'.
+        '<option value=".5">Half Points</option>'.
+        '<option value=".25">Quarter Points</options>'.
+        '<option values=".1">Tenths of a Point</option>'.
+        '</select>'.
+
 	'<input type="hidden" name="section"     value="'.$getsec.'" />'."\n".
 	'<input type="hidden" name="submitonly"  value="'.$submitonly.'" />'."\n".
 	'<input type="hidden" name="handgrade"   value="'.$env{'form.handgrade'}.'" /><br />'."\n".
@@ -1436,6 +1443,16 @@ sub sub_page_kw_js {
 SUBJAVASCRIPT
 }
 
+sub getIncrement
+{
+    my $increment = $env{'form.increment'};
+    if ($increment != 1 && $increment != .5 && $increment != .25 &&
+        $increment != .1) {
+        $increment = 1;
+    }
+    return $increment;
+}
+
 #--- displays the grading box, used in essay type problem and grading by page/sequence
 sub gradeBox {
     my ($request,$symb,$uname,$udom,$counter,$partid,$record) = @_;
@@ -1458,13 +1475,16 @@ sub gradeBox {
     $result.='<table border="0"><tr><td>'.
 	'<b>Part: </b>'.$display_part.' <b>Points: </b></td><td>'."\n";
     my $ctr = 0;
+    my $thisweight = 0;
+    my $increment = getIncrement();
     $result.='<table border="0"><tr>'."\n";  # display radio buttons in a nice table 10 across
-    while ($ctr<=$wgt) {
+    while ($thisweight<=$wgt) {
 	$result.= '<td><nobr><label><input type="radio" name="RADVAL'.$counter.'_'.$partid.'" '.
 	    'onclick="javascript:writeBox(this.form,\''.$counter.'_'.$partid.'\','.
-	    $ctr.')" value="'.$ctr.'" '.
-	    ($score eq $ctr ? 'checked':'').' /> '.$ctr."</label></nobr></td>\n";
+	    $thisweight.')" value="'.$thisweight.'" '.
+	    ($score eq $thisweight ? 'checked':'').' /> '.$thisweight."</label></nobr></td>\n";
 	$result.=(($ctr+1)%10 == 0 ? '</tr><tr>' : '');
+        $thisweight += $increment;
 	$ctr++;
     }
     $result.='</tr></table>';
@@ -1995,6 +2015,8 @@ KEYWORDS
 	    '<input type="button" value="Next" '.
 	    'onClick="javascript:checksubmit(this.form,\'Next\');" TARGET=_self> &nbsp;';
 	$endform.='(Next and Previous (student) do not save the scores.)'."\n" ;
+        $endform.="<input type='hidden' value='" . getIncrement() .
+            "' name='increment' />";
 	$endform.='</td><tr></table></form>';
 	$endform.=&show_grading_menu_form($symb);
 	$request->print($endform);