81 lines
2.3 KiB
TypeScript
81 lines
2.3 KiB
TypeScript
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import { _decorator } from "cc";
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const { ccclass, property } = _decorator;
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@ccclass("ClientEvent")
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export class ClientEvent {
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private static _handlers: { [key: string]: any[] } = {};
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/**
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* 监听事件
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* @param {string} eventName 事件名称
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* @param {function} handler 监听函数
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* @param {object} target 监听目标
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*/
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public static on (eventName: string, handler: Function, target: any) {
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var objHandler: {} = {handler: handler, target: target};
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var handlerList: Array<any> = ClientEvent._handlers[eventName];
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if (!handlerList) {
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handlerList = [];
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ClientEvent._handlers[eventName] = handlerList;
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}
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for (var i = 0; i < handlerList.length; i++) {
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if (!handlerList[i]) {
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handlerList[i] = objHandler;
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return i;
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}
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}
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handlerList.push(objHandler);
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return handlerList.length;
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};
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/**
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* 取消监听
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* @param {string} eventName 监听事件
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* @param {function} handler 监听函数
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* @param {object} target 监听目标
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*/
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public static off (eventName: string, handler: Function, target: any) {
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var handlerList = ClientEvent._handlers[eventName];
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if (!handlerList) {
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return;
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}
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for (var i = 0; i < handlerList.length; i++) {
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var oldObj = handlerList[i];
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if (oldObj.handler === handler && (!target || target === oldObj.target)) {
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handlerList.splice(i, 1);
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break;
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}
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}
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};
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/**
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* 分发事件
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* @param {string} eventName 分发事件名
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* @param {...any} params 分发事件参数
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*/
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public static dispatchEvent (eventName: string, ...args: any) {
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var handlerList = ClientEvent._handlers[eventName];
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var args1 = [];
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var i;
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for (i = 1; i < arguments.length; i++) {
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args1.push(arguments[i]);
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}
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if (!handlerList) {
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return;
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}
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for (i = 0; i < handlerList.length; i++) {
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var objHandler = handlerList[i];
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if (objHandler.handler) {
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objHandler.handler.apply(objHandler.target, args1);
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}
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}
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};
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}
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