From bc514a10c862c629dfc354a50e5b1f2446f0c829 Mon Sep 17 00:00:00 2001
From: dhrname <sie-developers@lists.sourceforge.jp>
Date: Mon, 9 Jun 2014 23:29:12 +0900
Subject: [PATCH] =?utf8?q?base.js=E3=81=AEon=E3=83=A1=E3=82=BD=E3=83=83?=
 =?utf8?q?=E3=83=89=E3=81=AEIE8=E5=AF=BE=E7=AD=96?=
MIME-Version: 1.0
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---
 tool/funcproto/base.js | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/tool/funcproto/base.js b/tool/funcproto/base.js
index 1589db9..9b55c30 100644
--- a/tool/funcproto/base.js
+++ b/tool/funcproto/base.js
@@ -73,16 +73,26 @@ this.on = function(name, func) {
       throw new Error("Not support arguments type");
     }
     var tev = this._eventList__,
-        tn = this[name];
+        tn = this[name],
+        isOn = true;
     if (!this._eventList__) {
       tev = this._eventList__ = [];
+      isOn = false;
     } else if (!this.hasOwnProperty("_eventList__")) { //祖先がすでにonメソッドを呼び出していれば
       var s = [];
       s._parent = tev;
       tev = this._eventList__ = s;
       s = void 0;
+    } else {
+      for (var i=0, te = tev.length;i<te;++i) {
+        if (tev[i].name === name) {
+          /*すでに同じ名前のメソッドが存在する*/
+          isOn = false;
+          break;
+        }
+      }
     }
-    if (!this[name] || !tn.isOn) { //まだ、onメソッドが呼び出されていなければ
+    if (!isOn) { //まだ、onメソッドが呼び出されていなければ
       /*nameで指定されたメソッドの初期化*/
       if (typeof tn === "function") {
         /*nameで指定されたメソッドがすでにある場合は、配列tevの親をたどれないようにしておく*/
@@ -118,7 +128,6 @@ this.on = function(name, func) {
         te = ts = _name = isCalled = void 0;
         return s;
       };
-      this[name].isOn = true;
     }
     tev.push({
             name: name,
-- 
2.11.0