tercio@0: 
tercio@0: assert(LibStub, "LibDataBroker-1.1 requires LibStub")
tercio@0: assert(LibStub:GetLibrary("CallbackHandler-1.0", true), "LibDataBroker-1.1 requires CallbackHandler-1.0")
tercio@0: 
tercio@0: local lib, oldminor = LibStub:NewLibrary("LibDataBroker-1.1", 3)
tercio@0: if not lib then return end
tercio@0: oldminor = oldminor or 0
tercio@0: 
tercio@0: 
tercio@0: lib.callbacks = lib.callbacks or LibStub:GetLibrary("CallbackHandler-1.0"):New(lib)
tercio@0: lib.attributestorage, lib.namestorage, lib.proxystorage = lib.attributestorage or {}, lib.namestorage or {}, lib.proxystorage or {}
tercio@0: local attributestorage, namestorage, callbacks = lib.attributestorage, lib.namestorage, lib.callbacks
tercio@0: 
tercio@0: if oldminor < 2 then
tercio@0: 	lib.domt = {
tercio@0: 		__metatable = "access denied",
tercio@0: 		__index = function(self, key) return attributestorage[self] and attributestorage[self][key] end,
tercio@0: 	}
tercio@0: end
tercio@0: 
tercio@0: if oldminor < 3 then
tercio@0: 	lib.domt.__newindex = function(self, key, value)
tercio@0: 		if not attributestorage[self] then attributestorage[self] = {} end
tercio@0: 		if attributestorage[self][key] == value then return end
tercio@0: 		attributestorage[self][key] = value
tercio@0: 		local name = namestorage[self]
tercio@0: 		if not name then return end
tercio@0: 		callbacks:Fire("LibDataBroker_AttributeChanged", name, key, value, self)
tercio@0: 		callbacks:Fire("LibDataBroker_AttributeChanged_"..name, name, key, value, self)
tercio@0: 		callbacks:Fire("LibDataBroker_AttributeChanged_"..name.."_"..key, name, key, value, self)
tercio@0: 		callbacks:Fire("LibDataBroker_AttributeChanged__"..key, name, key, value, self)
tercio@0: 	end
tercio@0: end
tercio@0: 
tercio@0: if oldminor < 2 then
tercio@0: 	function lib:NewDataObject(name, dataobj)
tercio@0: 		if self.proxystorage[name] then return end
tercio@0: 
tercio@0: 		if dataobj then
tercio@0: 			assert(type(dataobj) == "table", "Invalid dataobj, must be nil or a table")
tercio@0: 			self.attributestorage[dataobj] = {}
tercio@0: 			for i,v in pairs(dataobj) do
tercio@0: 				self.attributestorage[dataobj][i] = v
tercio@0: 				dataobj[i] = nil
tercio@0: 			end
tercio@0: 		end
tercio@0: 		dataobj = setmetatable(dataobj or {}, self.domt)
tercio@0: 		self.proxystorage[name], self.namestorage[dataobj] = dataobj, name
tercio@0: 		self.callbacks:Fire("LibDataBroker_DataObjectCreated", name, dataobj)
tercio@0: 		return dataobj
tercio@0: 	end
tercio@0: end
tercio@0: 
tercio@0: if oldminor < 1 then
tercio@0: 	function lib:DataObjectIterator()
tercio@0: 		return pairs(self.proxystorage)
tercio@0: 	end
tercio@0: 
tercio@0: 	function lib:GetDataObjectByName(dataobjectname)
tercio@0: 		return self.proxystorage[dataobjectname]
tercio@0: 	end
tercio@0: 
tercio@0: 	function lib:GetNameByDataObject(dataobject)
tercio@0: 		return self.namestorage[dataobject]
tercio@0: 	end
tercio@0: end