From 2542f56bca2556b4393d382688be74c1612b2862 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Thu, 26 Jul 2018 20:34:10 +0800
Subject: +UI module

---
 EventMsgCenter/EventMsgCenter.lua | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

(limited to 'EventMsgCenter/EventMsgCenter.lua')

diff --git a/EventMsgCenter/EventMsgCenter.lua b/EventMsgCenter/EventMsgCenter.lua
index ffb784d..8ca7a5b 100644
--- a/EventMsgCenter/EventMsgCenter.lua
+++ b/EventMsgCenter/EventMsgCenter.lua
@@ -2,11 +2,16 @@
 local _broadcast = {}
 local EventMsgCenter = {} 
 
-EventMsgCenter.registerMsg = function(e, callback) 
+EventMsgCenter.registerMsg = function(e, callback, first) 
 	if _broadcast[e] == nil then 
 		_broadcast[e] = {} 
+	end
+	first = first or false
+	if not first then 
+		table.insert(_broadcast[e], callback)
+	else 
+		table.insert(_broadcast[e], 1, callback)
 	end 
-	table.insert(_broadcast[e], callback)
 end 
 
 EventMsgCenter.unRegisterMsg = function(e, callback)
@@ -20,15 +25,23 @@ EventMsgCenter.unRegisterAllMsgByEvent = function(e)
 	if _broadcast[e] == nil then 
 		return 
 	end 
-	
+	_broadcast[e] = nil
 end 
 
 EventMsgCenter.unRegisterAllMsg = function() 
-
+	_broadcast = {}
 end 
 
 EventMsgCenter.sendMsg = function(e, ...)
-	
+	local callbacks = _broadcast[e]
+	if callbacks == nil then 
+		return 
+	end 
+	for _, f in ipairs(callbacks) do 
+		if f ~= nil then 
+			f(...)
+		end 
+	end 
 end 
 
 return EventMsgCenter
-- 
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