(function(scope){ /* # PI JAVASCRIPT LIBRARY (COMET&AJAX VERSION) # Azer Koçulu # http://pi-js.googlecode.com # 11.03.2008 21:47 */ scope.pi = Object(3.14159265358979323846), scope=scope.pi; scope.env = { ie: /MSIE/i.test(navigator.userAgent), ie6: /MSIE 6/i.test(navigator.userAgent), ie7: /MSIE 7/i.test(navigator.userAgent), ie8: /MSIE 8/i.test(navigator.userAgent), firefox: /Firefox/i.test(navigator.userAgent), opera: /Opera/i.test(navigator.userAgent), webkit: /Webkit/i.test(navigator.userAgent) }; scope.interface = function(){ this.constants = {}; this.environment = {}; this.events = {}; this.body = {}; } scope.interface.prototype = { "constant":{}, "constructor":function(){}, "environment":{}, "event":{}, "body":{}, "extend":function(OBJECT){ var body = Object.Clone(OBJECT.prototype); Object.Concat(this.body,body); Object.Concat(this.constants,body.constants); Object.Concat(this.environment,body.environment); Object.Concat(this.event,body.event); }, "build":function(){ var link = this; var fn = function(){ this.constants = Object.Clone(this.constants); this.environment = Object.Clone(this.environment); this.environment._parent_ = this; this.event._parent_ = this; link.constructor.apply(this,arguments); }; for(var item in this.environment){ if(item.substring(0,1)!="_")continue; var name = item, title = name.substring(1,2).toUpperCase()+name.substring(2); if(Boolean(this.environment["get"+title])==false) this.environment["get"+title] = new Function("return this."+name); if(Boolean(this.environment["set"+title])==false) this.environment["set"+title] = new Function("VALUE","this."+name+" = VALUE;"); } this.body.constants = this.constants; this.body.environment = this.environment; this.body.event = this.event; fn.prototype = this.body; return fn; } }; scope.comet = new scope.interface; scope.comet.constructor = function(){ this.environment.setName("piComet"); this.environment.setType(scope.env.ie?3:scope.env.opera?2:1); this.environment.setTunnel( this.environment.getType()==3?new ActiveXObject("htmlfile"): this.environment.getType()==2?document.createElement("event-source"): new scope.xhr ); } scope.comet.body = { "abort":function(){ switch(this.environment.getType()){ case 1: this.environment.getTunnel().abort(); break; case 2: document.body.removeChild(this.environment.getTunnel()); break; case 3: this.environment.getTunnel().body.innerHTML=""; } }, "send":function(){ switch(this.environment.getType()){ case 1: this.environment.getTunnel().send(); break; case 2: document.body.appendChild(this.environment.getTunnel()); this.environment.getTunnel().addEventListener(this.environment.getName(),this.event.change,false); break; case 3: this.environment.getTunnel().open(); this.environment.getTunnel().write(""); this.environment.getTunnel().close(); this.environment.getTunnel().parentWindow._cometObject = this; this.environment.getTunnel().body.innerHTML="".format(this.environment.getUrl()); } } } scope.comet.environment = { "_name":"", "_tunnel":null, "_type":"", "_url":"", "setTunnel":function(VALUE){ if(this.getType()==1){ VALUE.environment.addData("cometType","1"); VALUE.environment.addCallback(this._parent_.event.change,3); VALUE.environment.setCache(false); } VALUE._cometApi_ = this._parent_; this._tunnel = VALUE; }, "setUrl":function(VALUE){ if(this.getType()>1) { VALUE = "{0}{1}cometType={2}&cometName={3}".format(VALUE,VALUE.search("\\?")>-1?"&":"?",this.getType(),this.getName()); if(this.getType()==2) this.getTunnel().setAttribute("src",VALUE); } else this.getTunnel().environment.setUrl(VALUE); this._url = VALUE; } } scope.comet.event = { "change":function(){ var response = null; if(this._cometApi_.environment.getType()==2) response = arguments[0].data else { response = this.environment.getApi().responseText.split(""); response = response[response.length-1]; } this._cometApi_.event.push(response); }, "push":function(TEXT){} } scope.comet = scope.comet.build(); scope.xhr = new scope.interface; scope.xhr.constructor = function(){ var api = window.XMLHttpRequest?XMLHttpRequest:ActiveXObject("Microsoft.XMLHTTP"); this.environment.setApi( new api() ); this.environment.getApi().onreadystatechange=this.event.readystatechange.curry(this); this.environment.getApi().onerror=this.event.error.curry(this); } scope.xhr.body = { "abort":function(){ this.environment.getApi().abort(); }, "send":function(){ var url = this.environment.getUrl(), data = this.environment.getData(),dataUrl = ""; for (key in data) dataUrl += "{0}={1}&".format(key, data[key]); if (this.environment.getType()=="GET"&&url.search("\\?") == -1) url += "?{0}".format(dataUrl); this.environment.getApi().open(this.environment.getType(),url,this.environment.getAsync()); for(key in this.environment.getHeader()) this.environment.getApi().setRequestHeader(key,this.environment.getHeader()[key]); this.environment.getApi().send(this.environment.getType()=="GET"?"":dataUrl); } }, scope.xhr.environment = { "_async":true, "_api":null, "_cache":true, "_callback":[], "_channel":null, "_data":{}, "_header":{}, "_mimeType":null, "_multipart":false, "_type":"GET", "_timeout":0, "_url":"", "addCallback": function(FUNCTION,READYSTATE_VALUE,STATUS_VALUE){ this.getCallback().push({ "fn":FUNCTION, "readyState":READYSTATE_VALUE||4, "status":STATUS_VALUE||200 }); }, "addHeader": function(KEY,VALUE){ this.getHeader()[KEY] = VALUE; }, "addData": function(KEY,VALUE){ this.getData()[KEY] = VALUE; }, "setCache":function(VALUE){ if(VALUE==false){ this.addData("forceCache",Math.round(Math.random()*10000)); } this._cache = VALUE; }, "setType": function(VALUE){ if(VALUE=="POST"){ this.addHeader("Content-Type","application/x-www-form-urlencoded"); } this._type = VALUE; } } scope.xhr.event = { "readystatechange":function(){ var readyState = this.environment.getApi().readyState var callback=this.environment.getCallback(); for (var i = 0; i < callback.length; i++) { if (callback[i].readyState==readyState) callback[i].fn.apply(this); } }, "error":function(){ } } scope.xhr = scope.xhr.build(); // additions to stractures Array.prototype.clone = function(){ var tmp = []; Array.prototype.push.apply(tmp,this); for(var i=0; i