Mercurial > wow > hotcorners
diff Libs/LibDataBroker-1.1/LibDataBroker-1.1.lua @ 0:fc346da3afd9
First commit Hot Corners standalone.
author | tercio |
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date | Fri, 08 Aug 2014 12:35:17 -0300 |
parents | |
children | 9ad7f3c634f1 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Libs/LibDataBroker-1.1/LibDataBroker-1.1.lua Fri Aug 08 12:35:17 2014 -0300 @@ -0,0 +1,66 @@ + +assert(LibStub, "LibDataBroker-1.1 requires LibStub") +assert(LibStub:GetLibrary("CallbackHandler-1.0", true), "LibDataBroker-1.1 requires CallbackHandler-1.0") + +local lib, oldminor = LibStub:NewLibrary("LibDataBroker-1.1", 3) +if not lib then return end +oldminor = oldminor or 0 + + +lib.callbacks = lib.callbacks or LibStub:GetLibrary("CallbackHandler-1.0"):New(lib) +lib.attributestorage, lib.namestorage, lib.proxystorage = lib.attributestorage or {}, lib.namestorage or {}, lib.proxystorage or {} +local attributestorage, namestorage, callbacks = lib.attributestorage, lib.namestorage, lib.callbacks + +if oldminor < 2 then + lib.domt = { + __metatable = "access denied", + __index = function(self, key) return attributestorage[self] and attributestorage[self][key] end, + } +end + +if oldminor < 3 then + lib.domt.__newindex = function(self, key, value) + if not attributestorage[self] then attributestorage[self] = {} end + if attributestorage[self][key] == value then return end + attributestorage[self][key] = value + local name = namestorage[self] + if not name then return end + callbacks:Fire("LibDataBroker_AttributeChanged", name, key, value, self) + callbacks:Fire("LibDataBroker_AttributeChanged_"..name, name, key, value, self) + callbacks:Fire("LibDataBroker_AttributeChanged_"..name.."_"..key, name, key, value, self) + callbacks:Fire("LibDataBroker_AttributeChanged__"..key, name, key, value, self) + end +end + +if oldminor < 2 then + function lib:NewDataObject(name, dataobj) + if self.proxystorage[name] then return end + + if dataobj then + assert(type(dataobj) == "table", "Invalid dataobj, must be nil or a table") + self.attributestorage[dataobj] = {} + for i,v in pairs(dataobj) do + self.attributestorage[dataobj][i] = v + dataobj[i] = nil + end + end + dataobj = setmetatable(dataobj or {}, self.domt) + self.proxystorage[name], self.namestorage[dataobj] = dataobj, name + self.callbacks:Fire("LibDataBroker_DataObjectCreated", name, dataobj) + return dataobj + end +end + +if oldminor < 1 then + function lib:DataObjectIterator() + return pairs(self.proxystorage) + end + + function lib:GetDataObjectByName(dataobjectname) + return self.proxystorage[dataobjectname] + end + + function lib:GetNameByDataObject(dataobject) + return self.namestorage[dataobject] + end +end