Mercurial > wow > hotcorners

comparison Libs/LibDataBroker-1.1/LibDataBroker-1.1.lua @ 0:fc346da3afd9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
First commit Hot Corners standalone.
author tercio
date Fri, 08 Aug 2014 12:35:17 -0300
parents
children 9ad7f3c634f1
comparison
equal deleted inserted replaced
-1:000000000000 0:fc346da3afd9
1
2 assert(LibStub, "LibDataBroker-1.1 requires LibStub")
3 assert(LibStub:GetLibrary("CallbackHandler-1.0", true), "LibDataBroker-1.1 requires CallbackHandler-1.0")
4
5 local lib, oldminor = LibStub:NewLibrary("LibDataBroker-1.1", 3)
6 if not lib then return end
7 oldminor = oldminor or 0
8
9
10 lib.callbacks = lib.callbacks or LibStub:GetLibrary("CallbackHandler-1.0"):New(lib)
11 lib.attributestorage, lib.namestorage, lib.proxystorage = lib.attributestorage or {}, lib.namestorage or {}, lib.proxystorage or {}
12 local attributestorage, namestorage, callbacks = lib.attributestorage, lib.namestorage, lib.callbacks
13
14 if oldminor < 2 then
15 lib.domt = {
16 __metatable = "access denied",
17 __index = function(self, key) return attributestorage[self] and attributestorage[self][key] end,
18 }
19 end
20
21 if oldminor < 3 then
22 lib.domt.__newindex = function(self, key, value)
23 if not attributestorage[self] then attributestorage[self] = {} end
24 if attributestorage[self][key] == value then return end
25 attributestorage[self][key] = value
26 local name = namestorage[self]
27 if not name then return end
28 callbacks:Fire("LibDataBroker_AttributeChanged", name, key, value, self)
29 callbacks:Fire("LibDataBroker_AttributeChanged_"..name, name, key, value, self)
30 callbacks:Fire("LibDataBroker_AttributeChanged_"..name.."_"..key, name, key, value, self)
31 callbacks:Fire("LibDataBroker_AttributeChanged__"..key, name, key, value, self)
32 end
33 end
34
35 if oldminor < 2 then
36 function lib:NewDataObject(name, dataobj)
37 if self.proxystorage[name] then return end
38
39 if dataobj then
40 assert(type(dataobj) == "table", "Invalid dataobj, must be nil or a table")
41 self.attributestorage[dataobj] = {}
42 for i,v in pairs(dataobj) do
43 self.attributestorage[dataobj][i] = v
44 dataobj[i] = nil
45 end
46 end
47 dataobj = setmetatable(dataobj or {}, self.domt)
48 self.proxystorage[name], self.namestorage[dataobj] = dataobj, name
49 self.callbacks:Fire("LibDataBroker_DataObjectCreated", name, dataobj)
50 return dataobj
51 end
52 end
53
54 if oldminor < 1 then
55 function lib:DataObjectIterator()
56 return pairs(self.proxystorage)
57 end
58
59 function lib:GetDataObjectByName(dataobjectname)
60 return self.proxystorage[dataobjectname]
61 end
62
63 function lib:GetNameByDataObject(dataobject)
64 return self.namestorage[dataobject]
65 end
66 end