Support level indicators as table cells through nib2cib.

AppKit/CPTableView.j

@@ -1544,7 +1544,6 @@ NOT YET IMPLEMENTED
             _numberOfHiddenColumns += 1;
             _tableColumnRanges[index] = CPMakeRange(x, 0.0);
         }
-
         else
         {
             var width = [_tableColumns[index] width] + _intercellSpacing.width;
@@ -1843,7 +1842,7 @@ NOT YET IMPLEMENTED
         leftInset = FLOOR(_intercellSpacing.width / 2.0),
         topInset = FLOOR(_intercellSpacing.height / 2.0);
 
-    return _CGRectMake(tableColumnRange.location + leftInset,  _CGRectGetMinY(rectOfRow) + topInset, tableColumnRange.length - _intercellSpacing.width, _CGRectGetHeight(rectOfRow) - _intercellSpacing.height);
+    return _CGRectMake(tableColumnRange.location + leftInset, _CGRectGetMinY(rectOfRow) + topInset, tableColumnRange.length - _intercellSpacing.width, _CGRectGetHeight(rectOfRow) - _intercellSpacing.height);
 }
 
 /*!

Tools/nib2cib/NSLevelIndicator.j

@@ -28,6 +28,7 @@
 {
     var cell = [aCoder decodeObjectForKey:@"NSCell"];
 
+    // Initialise before [super ...] to ensure setObjectValue constrains the values properly.
     _minValue = [cell minValue];
     _maxValue = [cell maxValue];
 
@@ -35,19 +36,32 @@
 
     if (self)
     {
-        _levelIndicatorStyle = [cell levelIndicatorStyle];
-        _warningValue = [cell warningValue];
-        _criticalValue = [cell criticalValue];
-        _tickMarkPosition = [cell tickMarkPosition];
-        _numberOfTickMarks = [cell numberOfTickMarks];
-        _numberOfMajorTickMarks = [cell numberOfMajorTickMarks];
-
-        [self setEditable:[cell isEditable]];
+        self = [self NS_initWithCell:cell];
     }
 
     return self;
 }
 
+/*!
+    Intialise the receiver given a cell. This method is meant for reuse by controls which contain
+    cells other than CPLevelIndicator itself.
+*/
+- (id)NS_initWithCell:(NSCell)cell
+{
+    _minValue = [cell minValue];
+    _maxValue = [cell maxValue];
+    _levelIndicatorStyle = [cell levelIndicatorStyle];
+    _warningValue = [cell warningValue];
+    _criticalValue = [cell criticalValue];
+    _tickMarkPosition = [cell tickMarkPosition];
+    _numberOfTickMarks = [cell numberOfTickMarks];
+    _numberOfMajorTickMarks = [cell numberOfMajorTickMarks];
+
+    [self setEditable:[cell isEditable]];
+
+    return self;
+}
+
 @end
 
 @implementation NSLevelIndicator : CPLevelIndicator

Tools/nib2cib/NSTableColumn.j

@@ -78,6 +78,11 @@
             _dataView = [[CPButton alloc] initWithFrame:CGRectMakeZero()];
             _dataView = [_dataView NS_initWithCell:dataViewCell];
         }
+        else if ([dataViewCell isKindOfClass:[NSLevelIndicatorCell class]])
+        {
+            _dataView = [[CPLevelIndicator alloc] initWithFrame:CGRectMakeZero()];
+            _dataView = [_dataView NS_initWithCell:dataViewCell];
+        }
 
         [_dataView setValue:[dataViewCell alignment] forThemeAttribute:@"alignment"];