MonkeyGG2
77 lines
1.3 KiB
JavaScript
77 lines
1.3 KiB
JavaScript
/**
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* @fileoverview 自定义事件
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* @author Random | http://weibo.com/random
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* @date 2013-05-21
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*/
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define(function(require, exports, module){
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module.exports = function(target){
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var events={};
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!target && (target={});
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function getType(obj){
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return Object.prototype.toString.call(obj).slice(8,-1).toLowerCase();
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}
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return {
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add:function(type,handle){
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if (getType(handle) !== "function") {
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return;
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}
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var evts=events;
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type=type.toLowerCase();
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!evts[type] && (evts[type]=[]);
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evts[type].push(handle);
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},
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remove:function(type,handle){
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var evts=events[type];
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var i;
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type=type.toLowerCase();
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if (getType(handle) !== "function" || !evts || !evts.length) {
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return;
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}
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for(i=evts.length-1;i>=0;i--){
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evts[i]===handle && evts.splice(i,1);
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}
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},
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fire:function(type){
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var evts;
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var args;
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var i;
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var l;
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type=type.toLowerCase();
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evts=events[type];
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if (!evts || !evts.length) {
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return;
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}
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args=Array.prototype.slice.call(arguments,1);
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l=evts.length;
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for(i=0;i<l;i++){
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evts[i].apply(target,args);
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}
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},
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destroy : function(){
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var i;
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var l=events.length-1;
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for(i=l;i>=0;i--){
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evts.splice(i,1);
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}
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}
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};
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};
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});
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