/*---------------------------------------------------------------------------*\
|  subject: javascript framework
|  author:  meizz
|  created: 2005-02-27
|  version: 2006-08-31
|-----------------------------------
|  msn: huangfr@msn.com qq:112889082 copyright (c) meizz
|  http://www.meizz.com/jsframework/ mit-style license
|  the above copyright notice and this permission notice shall be
|  included in all copies or substantial portions of the software
\*---------------------------------------------------------------------------*/
window.system = function(){this.sethashcode();}
system.debug=false; //false
system._codebase={};
try
{
  if (window!=parent && parent.system && parent.system._codebase)
    system._codebase = parent.system._codebase;
  else if (undefined!=typeof opener&&opener.system&&opener.system._codebase)
    system._codebase = opener.system._codebase;
  else if (undefined!=typeof dialogarguments && dialogarguments.system)
    system._codebase = dialogarguments.system._codebase;
}
catch(ex){}
system.missing_argument=missing argument;
system.argument_parse_error=the argument cannot be parsed;
system.not_supported_xmlhttp=your browser do not support xmlhttp;
system.file_not_found=file not found;
system.miscoding=maybe file encoding is not ansi or utf-8;
system.namespace_error= nonstandard namespace;
system.hashcounter=0;
system.currentversion=20060831;
var t=document.getelementsbytagname(script);
t=(system.scriptelement=t[t.length-1]).src.replace(/\\/g, /);
system.extend=function(d,s){for(var i in s)d[i]=s[i];return d;};
system.path=(t.lastindexof(/)system.getuniqueid=function(){return mz_+(system.hashcounter++).tostring(36);};
system.tohashcode=function(e)
{
  if(undefined!=typeof e.hashcode) return e.hashcode;
  return e.hashcode=system.getuniqueid();
};
system.supportsxmlhttp=function()
{
  return object==typeof(system._xmlhttp||(system._xmlhttp=new xmlhttprequest()));
};
system._getprototype=function(namespace, argu)
{
  if(undefined==typeof system._prototypes[namespace])return new system();
  for(var a=[], i=0; i  return eval(new (system._prototypes['+namespace+'])(+a.join(,)+));
};
system.ie=navigator.useragent.indexof(msie)>0 && !window.opera;
system.ns=navigator.vendor==netscape;
system.alert=function(msg){if(system.debug)alert(msg);};
system._parseresponsetext=function(s)
{
    if (null==s||\ufffd==s.charat(0)){system.alert(system.miscoding);return ;}
    if (\xef==s.charat(0))s=s.substr(3); //for firefox
    return s.replace(/(^|\n)\s*\/\/+\s*((using|import|include)\((\|\'))/g,$1$2);
};
if(window.activexobject && (system.ie || !window.xmlhttprequest))
{
  window.xmlhttprequest = function()
  {
    var msxmls=['msxml3','msxml2','microsoft'];
    for(var i=0;i      try{return new activexobject(msxmls[i]+'.xmlhttp')} catch(ex){}
    system._xmlhttp=mz; throw new error(system.not_supported_xmlhttp);
  }
}
system.load = function(namespace, path)
{
  try
  {
    if(system.supportsxmlhttp()){path=system._mappath(namespace, path);
    var x=system._xmlhttp; x.open(get,path,false); x.send(null);
    if (x.readystate==4)
    {
      if(x.status==0||/^file\:/i.test(path))
        return system._parseresponsetext(x.responsetext);
      else if(x.status==200)return system._parseresponsetext(x.responsetext);
      else if(x.status==404)system.alert(namespace+\n+system.file_not_found);
      else throw new error(x.status +: + x.statustext);}
    } else system.alert(system.not_supported_xmlhttp);
  }
  catch(ex){system.alert(namespace+\n+ex.message);}return ;
};
system._eval = function(namespace, path)
{
  //alert(system._eval(\+namespace+\)=\r\n+system._codebase[namespace]);
  try{if(window.execscript)window.execscript(system._codebase[namespace]);else
  {
    var script=document.createelement(script);script.type=text/javascript;
    script.innerhtml=eval(system._codebase['+ namespace +']);;
    document.getelementsbytagname(head)[0].appendchild(script);
    settimeout(function(){script.parentnode.removechild(script)},99);
  }}catch(ex){system.alert(syntax error on load + namespace);}
  system._existences[namespace]=system._mappath(namespace, path);
};
system._exist = function(namespace, path)
{
  if(undefined==typeof system._existences[namespace]) return false;
  return system._existences[namespace]==system._mappath(namespace,path);
};
system._mappath = function(namespace, path)
{
  if(string==typeof path && path.length>3) return path;
  var p=system.path +/+ namespace.replace(/\./g,/) +.js;
  return p +((undefined==typeof path||path) ?  : ?t=+ math.random());
};
window.using = function(namespace, path, rename)
{
  if(system._exist(namespace, path)){
  var s=window[namespace.substr(namespace.lastindexof(.)+1)];
  if(s!=system._prototypes[namespace])s=system._prototypes[namespace];return}
  var code=namespace +.; if(!/((^|\.)[\w\$]+)+$/.test(namespace))
  throw new error(namespace+system.namespace_error);
  for(var i=code.indexof(.); i>-1; i=code.indexof(., i+1)){
  var e= code.substring(0,i), s=(e.indexof(.)==-1) ? window[\+e+\]:e;
  if(e&&undefined==typeof(s)){
  eval(s+=function(){return system._getprototype(\+e+\, arguments)});}}
  if(undefined==typeof path &&string==typeof system._codebase[namespace])
  {
    system._eval(namespace, path);}else{if(code=system.load(namespace,path)){
    e = $+ system.getuniqueid() +__id+ new date().gettime() +$;
    s = function +e+(){\r\n+code+;\r\nsystem._prototypes[';
    code=namespace.substr(namespace.lastindexof(.)+1);
    s += namespace+']=window['+(rename||code)+']=+code+;\r\n}+e+();;
    system._codebase[namespace]=s;s=;system._eval(namespace, path);}
  }
};
window.import=function(namespace,path,rename){using(namespace,path,rename)};
window.instance=function(hashcode){return system._instances[hashcode]};
window.include=function(namespace, path)
{
  if(system._exist(namespace, path)) return;
  var code;if(!/((^|\.)[\w\$]+)+$/.test(namespace))
  throw new error(namespace + system.namespace_error);
  if(undefined==typeof path&&string==typeof(system._codebase[namespace]))
  {
    system._eval(namespace, path);}else if(system.supportsxmlhttp()){
    if(code=system.load(namespace, path)){system._codebase[namespace]=code;
    system._eval(namespace, path);}}else{
    var script=document.createelement(script);script.type=text/javascript;
    script.src=system._existences[namespace]=system._mappath(namespace,path);
    document.getelementsbytagname(head)[0].appendchild(script);
    settimeout(function(){script.parentnode.removechild(script)},99);
  }
};
function.read=1;function.write=2;function.read_write=3;
function.prototype.addproperty=function(name,initvalue,r_w)
{
  var capital=name.charat(0).touppercase()+name.substr(1);
  r_w=r_w||function.read_write; name=_+name; var p=this.prototype;
  if(undefined!=typeof initvalue) p[name]=initvalue;
  if(r_w&function.read) p[get+ capital]=function(){return this[name];};
  if(r_w&function.write) p[set+ capital]=function(v){this[name]=v;};
};
function.prototype.extends=function(superclass,classname)
{
  var op=this.prototype, i, p=this.prototype=new superclass();
  if(classname)p._classname=classname; for(i in op)p[i]=op[i];
  if(p.hashcode)delete system._instances[p.hashcode];return p;
};
system._instances={};
system._prototypes=
{
  system:system,
  system.object:system,
  system.event:system.event
};
system._existences=
{
  system:system._mappath(system),
  system.event:system._mappath(system.event),
  system.object:system._mappath(system.object)
};
t=system.extends(object, system); system.object = system;
t.decontrol=function(){var t;if(t=this.hashcode)delete system._instances[t]};
t.addeventlisteners=function(type, handle)
{
  if(function!=typeof handle)
    throw new error(this+ addeventlistener: +handle+ is not a function);
  if(!this._listeners) this._listeners={};
  var id=system.tohashcode(handle), t=this._listeners; 
  if(object!=typeof t[type]) t[type]={}; t[type][id]=handle;
};
t.removeeventlistener=function(type, handle)
{
  if(!this._listeners)this._listeners={}; var t=this._listeners;
  if(!t[type]) return; var id=system.tohashcode(handle);
  if( t[type][id])delete t[type][id];if(t[type])delete t[type];
};
t.dispatchevent=function(evt)
{
  if(!this._listeners)this._listeners={};
  var i, t =this._listeners, p =evt.type;
  evt.target=evt.srcelement=evt.target||evt.srcelement||this;
  evt.currenttarget=this; if(this[p])this[p](evt);
  if(object==typeof t[p]) for(i in t[p]) t[p][i].call(null, evt);
  delete evt.target;delete evt.currenttarget;delete evt.srcelement;
  return evt.returnvalue;
};
t.sethashcode=function()
{
  system._instances[(this.hashcode=system.getuniqueid())]=this;
};
t.gethashcode=function()
{
  if(!this.hashcode)this.sethashcode(); return this.hashcode;
};
t.tostring=function(){return [object +(this._classname||object)+];};
system.event=function(type){this.type=type;};
t=system.event.extends(system, system.event);
t.returnvalue=true; t.cancelbubble=false;
t.target=t.currenttarget=t.srcelement=null;
t.stoppropagation=function(){this.cancelbubble=true;};
t.preventdefault =function(){this.returnvalue=false;};
if(system.ie && !system.debug) include(system.plugins.ie); //ie userdata
if(window.opera) include(system.plugins.opera); //opera support
include(system.global);
演示效果
本地下载