--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/Components.lua	Tue May 20 21:43:23 2014 -0500
@@ -0,0 +1,162 @@
+local _, AskMrRobot = ...
+
+local unresolvedItemIds = {}
+
+-- Create a new class that inherits from a base class
+function AskMrRobot.inheritsFrom( baseClass )
+
+    -- The following lines are equivalent to the SimpleClass example:
+
+    -- Create the table and metatable representing the class.
+    local new_class = {}
+
+    -- Note that this function uses class_mt as an upvalue, so every instance
+    -- of the class will share the same metatable.
+    --
+  --   function new_class:create(o)
+  --   	o = o or {}
+		-- setmetatable( o, class_mt )
+		-- return o
+  --    end
+
+    -- The following is the key to implementing inheritance:
+
+    -- The __index member of the new class's metatable references the
+    -- base class.  This implies that all methods of the base class will
+    -- be exposed to the sub-class, and that the sub-class can override
+    -- any of these methods.
+    --
+    if baseClass then
+        setmetatable( new_class, { __index = baseClass } )
+    end
+
+    return new_class
+end
+
+local itemInfoFrame = nil;
+
+local function onGetItemInfoReceived(arg1, arg2, arg3)
+	-- since wow is awesome, it doesn't tell us *which* item id was just resolved, so we have to look at them all
+	for itemId, callbacks in pairs(unresolvedItemIds) do
+		-- attempt to get the item info AGAIN
+		local a, b, c, d, e, f, g, h, i, j, k = GetItemInfo(itemId)
+		-- if we got item info...
+		if a then
+			-- remove the callbacks from the list
+			unresolvedItemIds[itemId] = nil
+
+			-- call each callback
+			for i = 1, #callbacks do
+				callbacks[i](a, b, c, d, e, f, g, h, i, j, k)
+			end
+		end
+	end
+end
+
+
+function AskMrRobot.RegisterItemInfoCallback(itemId, callback)
+	if not itemId then
+		return
+	end
+
+	if not itemInfoFrame then
+	    waitFrame = CreateFrame("Frame","WaitFrame", UIParent);
+	    waitFrame:RegisterEvent("GET_ITEM_INFO_RECEIVED")
+	    waitFrame:SetScript("OnEvent", onGetItemInfoReceived);
+	end
+
+
+	-- get the list of registered callbacks for this particular item
+	local list = unresolvedItemIds[itemId]
+	-- if there was a list, then just add the callback to the list
+	if list then
+		tinsert(list, callback)
+	else
+		-- there wasn't a list, so make a new one with this callback
+		unresolvedItemIds[itemId] = { callback }
+	end
+end
+
+function AskMrRobot.getItemIdFromLink(item)
+	if not item then return 0 end
+	local id = tonumber (item:match ("item:(%d+):%d+:%d+:%d+:%d+:%d+:%-?%d+:%-?%d+:%d+:%d+"))
+	return (id and id ~= 0 and id or 0)
+end
+
+-- initialize the Frame class (inherit from a dummy frame)
+AskMrRobot.Frame = AskMrRobot.inheritsFrom(CreateFrame("Frame"))
+
+-- Frame contructor
+function AskMrRobot.Frame:new(name, parentFrame, inheritsFrame)
+	-- create a new frame (if one isn't supplied)
+	local o = CreateFrame("Frame", name, parentFrame, inheritsFrame)
+
+	-- use the Frame class
+	setmetatable(o, { __index = AskMrRobot.Frame })
+
+	-- return the instance of the Frame
+	return o
+end
+
+local MAINHAND = nil
+local OFFHAND = nil
+
+AskMrRobot.slotNames = {"HeadSlot", "NeckSlot", "ShoulderSlot", "BackSlot", "ChestSlot", "ShirtSlot", "TabardSlot", "WristSlot", "HandsSlot", "WaistSlot", "LegsSlot", "FeetSlot", "Finger0Slot", "Finger1Slot", "Trinket0Slot", "Trinket1Slot", "MainHandSlot", "SecondaryHandSlot", "AmmoSlot" };
+AskMrRobot.OptimizationSlots = {}
+AskMrRobot.slotIdToSlotNum = {}
+AskMrRobot.slotIds = {};
+for slotNum = 1, #AskMrRobot.slotNames do
+	local slotId = GetInventorySlotInfo(AskMrRobot.slotNames[slotNum])
+	AskMrRobot.slotIds[slotNum] = slotId
+	AskMrRobot.slotIdToSlotNum[slotId] = slotNum
+	local slotName = AskMrRobot.slotNames[slotNum]
+	if slotName == "MainHandSlot" then
+		MAINHAND = slotNum
+	end
+	if slotName == "SecondaryHandSlot" then
+		OFFHAND = slotNum
+	end
+	if slotName ~= "TabardSlot" and slotName ~= "AmmoSlot" and slotName ~= "ShirtSlot" then
+		AskMrRobot.OptimizationSlots[slotNum] = true
+	end
+
+end
+
+AskMrRobot.sortedSlots = {[MAINHAND] = 1, [OFFHAND] = 2}
+
+local i = 3
+for slotNum = 1, #AskMrRobot.slotNames do
+	if slotNum ~= MAINHAND and slotNum ~= OFFHAND then
+		AskMrRobot.sortedSlots[slotNum] = i
+		i = i + 1
+	end
+end
+
+
+-- initialize the Frame class (inherit from a dummy frame)
+AskMrRobot.FontString = AskMrRobot.inheritsFrom(AskMrRobot.Frame:new():CreateFontString(nil, "ARTWORK", "GameFontNormal"))
+
+-- Frame contructor
+function AskMrRobot.FontString:new(parentFrame, name, layer, style, fontSize)
+
+	local o = parentFrame:CreateFontString(name, layer, style)	-- create a new frame (if one isn't supplied)
+
+	-- use the fontstring class
+	setmetatable(o, { __index = AskMrRobot.FontString })
+
+	if fontSize then
+		o:SetFontSize(fontSize)
+	end
+
+	return o
+end
+
+function AskMrRobot.FontString:SetFontSize(fontSize)
+	local file, _, flags = self:GetFont()
+	self:SetFont(file, fontSize, flags)
+end
+
+function AskMrRobot.SetFontSize(fontString, fontSize)
+	local file, _, flags = fontString:GetFont()
+	fontString:SetFont(file, fontSize, flags)
+end