Add option for Empty on Top

components/itemFrame.lua

@@ -138,10 +138,25 @@ function ItemFrame:Layout()
 	local revBags, revSlots = profile.reverseBags, profile.reverseSlots
 	local x, y = 0,0
 
+	-- Calculate offset
+	local totalSlots = 0
+	for j = BACKPACK_CONTAINER, NUM_BAG_SLOTS do
+		totalSlots = totalSlots + GetContainerNumSlots(j)
+	end
+	local offset = self:calcOffset(columns,totalSlots)
+
+	if profile.emptyOnTop and not self:BagBreak() then
+		x = offset
+	end
+
 	for k = revBags and #self.bags or 1, revBags and 1 or #self.bags, revBags and -1 or 1 do
 		local bag = self.bags[k]
 		local slots = self.bagSlots[bag]
 
+		if profile.emptyOnTop and self:BagBreak() then
+			x = self:calcOffset(columns,GetContainerNumSlots(k-1))
+		end
+
 		if slots then
 			local numSlots = self:NumSlots(bag)
 			for slot = revSlots and numSlots or 1, revSlots and 1 or numSlots, revSlots and -1 or 1 do
@@ -162,7 +177,11 @@ function ItemFrame:Layout()
 
 			if self:BagBreak() and x > 0 then
 				y = y + 1
-				x = 0
+				if profile.emptyOnTop and self:BagBreak() then
+					x = self:calcOffset(columns,GetContainerNumSlots(k-1))
+				else
+					x = 0
+				end
 			end
 		end
 	end
@@ -177,6 +196,14 @@ function ItemFrame:Layout()
 	self:SendFrameSignal('ITEM_FRAME_RESIZED')
 end
 
+function ItemFrame:calcOffset(columns,slots)
+	local offset = columns - (slots % columns)
+	if offset == columns then
+		offset = 0
+	end
+	return offset
+end
+
 function ItemFrame:ForAll(method, ...)
 	if not self:PendingLayout() then
 		for i, button in ipairs(self.buttons) do

config/panels.lua

@@ -101,6 +101,7 @@ Addon.FrameOptions = Addon.Options:NewPanel(ADDON, L.FrameSettings, L.FrameSetti
 			row:CreateCheck('reverseBags')
 			row:CreateCheck('reverseSlots')
 			row:CreateCheck('bagBreak')
+			row:CreateCheck('emptyOnTop')
 
 			if REAGENTBANK_CONTAINER and self.frameID == 'bank' then
 				row:CreateCheck('exclusiveReagent')

localization/config/en.lua

@@ -48,6 +48,7 @@ L.Layer = 'Layer'
 L.BagBreak = 'Bag Break'
 L.ReverseBags = 'Reverse Bag Order'
 L.ReverseSlots = 'Reverse Slot Order'
+L.EmptyOnTop = 'Empty Slots On Top'
 
 L.Color = 'Background Color'
 L.BorderColor = 'Border Color'