#12 fix Emitter类移除监听时是否有错

source/.wing/settings.json

@@ -0,0 +1,3 @@
+{
+    "typescript.tsdk": "./node_modules/typescript/lib"
+}

source/bin/framework.d.ts

@@ -8,7 +8,7 @@ declare interface Array<T> {
     findAll(predicate: Function): Array<T>;
     contains(value: any): boolean;
     removeAll(predicate: Function): void;
-    remove(element: any): boolean;
+    remove(element: T): boolean;
     removeAt(index: any): void;
     removeRange(index: any, count: any): void;
     select(selector: Function): Array<T>;

source/bin/framework.js

@@ -4883,7 +4883,9 @@ var Emitter = (function () {
         list.push(new FuncPack(handler, context));
     };
     Emitter.prototype.removeObserver = function (eventType, handler) {
-        this._messageTable.get(eventType).remove(handler);
+        var messageData = this._messageTable.get(eventType);
+        var index = messageData.findIndex(function (data) { return data.func == handler; });
+        messageData.removeAt(index);
     };
     Emitter.prototype.emit = function (eventType, data) {
         var list = this._messageTable.get(eventType);

source/src/Extension.ts

@@ -48,7 +48,7 @@ declare interface Array<T> {
      * 移除数组元素
      * @param element 数组元素
      */
-    remove(element): boolean;
+    remove(element: T): boolean;
     /**
      * 移除特定索引数组元素
      * @param index 索引

source/src/Utils/Emitter.ts

@@ -1,3 +1,6 @@
+/**
+ * 用于事件管理
+ */
 class Emitter<T> {
     private _messageTable: Map<T, FuncPack[]>;
 
@@ -5,6 +8,12 @@ class Emitter<T> {
         this._messageTable = new Map<T, FuncPack[]>();
     }
 
+    /**
+     * 开始监听项
+     * @param eventType 监听类型
+     * @param handler 监听函数
+     * @param context 监听上下文
+     */
     public addObserver(eventType: T, handler: Function, context: any){
         let list: FuncPack[] = this._messageTable.get(eventType);
         if (!list){
@@ -17,10 +26,22 @@ class Emitter<T> {
         list.push(new FuncPack(handler, context));
     }
 
+    /**
+     * 移除监听项
+     * @param eventType 事件类型
+     * @param handler 事件函数
+     */
     public removeObserver(eventType: T, handler: Function){
-        this._messageTable.get(eventType).remove(handler);
+        let messageData = this._messageTable.get(eventType);
+        let index = messageData.findIndex(data => data.func == handler);
+        messageData.removeAt(index);
     }
 
+    /**
+     * 触发该事件
+     * @param eventType 事件类型
+     * @param data 事件数据
+     */
     public emit(eventType: T, data?: any){
         let list: FuncPack[] = this._messageTable.get(eventType);
         if (list){
@@ -30,8 +51,13 @@ class Emitter<T> {
     }
 }
 
+/**
+ * 用于包装事件的一个小类
+ */
 class FuncPack {
+    /** 函数 */
     public func: Function;
+    /** 上下文 */
     public context: any;
 
     constructor(func: Function, context: any){