initial commit

LibTSM/Service/ItemLinked.lua

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+-- ------------------------------------------------------------------------------ --
+--                                TradeSkillMaster                                --
+--                          https://tradeskillmaster.com                          --
+--    All Rights Reserved - Detailed license information included with addon.     --
+-- ------------------------------------------------------------------------------ --
+
+--- ItemLinked Functions.
+-- @module ItemLinked
+
+local _, TSM = ...
+local ItemLinked = TSM.Init("Service.ItemLinked")
+local Table = TSM.Include("Util.Table")
+local ItemInfo = TSM.Include("Service.ItemInfo")
+local private = {
+	callbacks = {},
+	priorityLookup = {}
+}
+
+
+
+-- ============================================================================
+-- Module Loading
+-- ============================================================================
+
+ItemLinked:OnModuleLoad(function()
+	local origHandleModifiedItemClick = HandleModifiedItemClick
+	HandleModifiedItemClick = function(link)
+		return private.ItemLinkedHook(origHandleModifiedItemClick, link)
+	end
+	local origChatEdit_InsertLink = ChatEdit_InsertLink
+	ChatEdit_InsertLink = function(link)
+		return private.ItemLinkedHook(origChatEdit_InsertLink, link)
+	end
+end)
+
+
+
+-- ============================================================================
+-- Module Functions
+-- ============================================================================
+
+function ItemLinked.RegisterCallback(callback, priority)
+	assert(type(callback) == "function")
+	tinsert(private.callbacks, callback)
+	private.priorityLookup[callback] = (priority or 0) + #private.callbacks * 0.01
+	Table.SortWithValueLookup(private.callbacks, private.priorityLookup)
+end
+
+
+
+-- ============================================================================
+-- Private Helper Functions
+-- ============================================================================
+
+function private.ItemLinkedHook(origFunc, itemLink)
+	local putIntoChat = origFunc(itemLink)
+	if putIntoChat then
+		return putIntoChat
+	end
+	local name = ItemInfo.GetName(itemLink)
+	if not name or not private.HandleItemLinked(name, itemLink) then
+		return putIntoChat
+	end
+	return true
+end
+
+function private.HandleItemLinked(name, itemLink)
+	for _, callback in ipairs(private.callbacks) do
+		if callback(name, itemLink) then
+			return true
+		end
+	end
+end