adicn/statics/js/ueditor/_src/plugins/wordcount.js

///import core
///commands 字数统计
///commandsName  WordCount,wordCount
///commandsTitle  字数统计
/*
 * Created by JetBrains WebStorm.
 * User: taoqili
 * Date: 11-9-7
 * Time: 下午8:18
 * To change this template use File | Settings | File Templates.
 */

UE.plugins['wordcount'] = function(){
    var me = this;
    me.setOpt('wordCount',true);
    me.addListener('contentchange',function(){
        me.fireEvent('wordcount');
    });
    var timer;
    me.addListener('ready',function(){
        var me = this;
        domUtils.on(me.body,"keyup",function(evt){
            var code = evt.keyCode||evt.which,
                //忽略的按键,ctr,alt,shift,方向键
                ignores = {"16":1,"18":1,"20":1,"37":1,"38":1,"39":1,"40":1};
            if(code in ignores) return;
            clearTimeout(timer);
            timer = setTimeout(function(){
                me.fireEvent('wordcount');
            },200)
        })
    });
};