quakemachineX

/*------------------------------------------
Name: AJAXRequest
@License: http://www.gnu.org/licenses/gpl.html GPL
@Copyright: Copyright (c) 2007, All Rights Reserved
@Author: xujiwei
@E-mail: vipxjw@163.com
@Website: http://www.xujiwei.cn
@Version: 0.7

AJAXRequest Deveoper Manual:
  http://www.xujiwei.cn/works/ajaxrequest/
------------------------------------------*/
function AJAXRequest() {
	var xmlPool=[],AJAX=this,ac=arguments.length,av=arguments;
	var xmlVersion=["MSXML2.XMLHTTP","Microsoft.XMLHTTP"];
	var emptyFun=function(){};
	var av=ac>0?typeof(av[0])=="object"?av[0]:{}:{};
	var encode=av.charset?av.charset.toUpperCase()=="UTF-8"?encodeURIComponent:escape:encodeURIComponent;
	this.url=getp(av.url,"");
	this.oncomplete=getp(av.oncomplete,emptyFun);
	this.content=getp(av.content,"");
	this.method=getp(av.method,"POST");
	this.async=getp(av.async,true);
	this.onexception=getp(av.onexception,emptyFun);
	this.ontimeout=getp(av.ontimeout,emptyFun);
	this.timeout=getp(av.timeout,3600000);
	this.onrequeststart=getp(av.onstartrequest,emptyFun);
	this.onrequestend=getp(av.onendrequest,emptyFun);
	if(!getObj()) return false;
	function getp(p,d) { return p?p:d; }
	function getObj() {
		var i,j,tmpObj;
		for(i=0,j=xmlPool.length;i<j;i++) if(xmlPool[i].readyState==0||xmlPool[i].readyState==4) return xmlPool[i];
		try { tmpObj=new XMLHttpRequest; }
		catch(e) {
			for(i=0,j=xmlVersion.length;i<j;i++) {
				try { tmpObj=new ActiveXObject(xmlVersion[i]); } catch(e2) { continue; }
				break;
			}
		}
		if(!tmpObj) return false;
		else { xmlPool[xmlPool.length]=tmpObj; return xmlPool[xmlPool.length-1]; }
	}
	function $(id){return document.getElementById(id);}
	function $N(n,d){n=parseInt(n);return(isNaN(n)?d:n);}
	function $VO(v) {
		if(typeof(v)=="string") {
			if(v=$(v)) return v;
			else return false; }
		else return v;
	}
	function $ST(obj,text) {
		var nn=obj.nodeName.toUpperCase();
		if("INPUT|TEXTAREA".indexOf(nn)>-1) obj.value=text;
		else try{obj.innerHTML=text;} catch(e){};
	}
	function $CB(cb) {
		if(typeof(cb)=="function") return cb;
		else {
			cb=$VO(cb);
			if(cb) return(function(obj){$ST(cb,obj.responseText);});
			else return emptyFun; }
	}
	function send(purl,pc,pcbf,pm,pa) {
		var purl,pc,pcbf,pm,pa,ct,ctf=false,xmlObj=getObj(),ac=arguments.length,av=arguments;
		if(!xmlObj) return false;
		if(!pm||!purl||!pa) return false;
		var ev={url:purl, content:pc, method:pm};
		purl+=(purl.indexOf("?")>-1?"&":"?")+Math.random();
		xmlObj.open(pm,purl,pa);
		AJAX.onrequeststart(ev);
		if(pm=="POST") xmlObj.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		ct=setTimeout(function(){ctf=true;xmlObj.abort();},AJAX.timeout);
		xmlObj.onreadystatechange=function() {
			if(ctf) { AJAX.ontimeout(ev); AJAX.onrequestend(ev); }
			else if(xmlObj.readyState==4) {
				ev.status=xmlObj.status;
				try{ clearTimeout(ct); } catch(e) {};
				try{ if(xmlObj.status==200) pcbf(xmlObj); else AJAX.onexception(ev); }
				catch(e) { AJAX.onexception(ev); }
				AJAX.onrequestend(ev);
			}
		}
		if(pm=="POST") xmlObj.send(pc); else xmlObj.send("");
	}
	this.setcharset=function(cs) {
		if(cs.toUpperCase()=="UTF-8") encode=encodeURIComponent; else encode=escape;
	}
	this.get=function() {
		var purl,pcbf,ac=arguments.length,av=arguments;
		purl=ac>0?av[0]:this.url;
		pcbf=ac>1?$CB(av[1]):this.oncomplete;
		if(!purl&&!pcbf) return false;
		send(purl,"",pcbf,"GET",true);
	}
	this.update=function() {
		var purl,puo,pinv,pcnt,ac=arguments.length,av=arguments;
		puo=ac>0?$CB(av[0]):emptyFun;
		purl=ac>1?av[1]:this.url;
		pinv=ac>2?$N(av[2],1000):null;
		pcnt=ac>3?$N(av[3],0):null;
		if(pinv) {
			send(purl,"",puo,"GET",true);
			if(pcnt&&--pcnt) {
				var cf=function(cc) {
					send(purl,"",puo,"GET",true);
					if(cc<1) return; else cc--;
					setTimeout(function(){cf(cc);},pinv);
				}
				setTimeout(function(){cf(--pcnt);},pinv);
			}
			else return(setInterval(function(){send(purl,"",puo,"GET",true);},pinv));
		}
		else send(purl,"",puo,"GET",true);
	}
	this.post=function() {
		var purl,pcbf,pc,ac=arguments.length,av=arguments;
		purl=ac>0?av[0]:this.url;
		pc=ac>1?av[1]:"";
		pcbf=ac>2?$CB(av[2]):this.oncomplete;
		if(!purl&&!pcbf) return false;
		send(purl,pc,pcbf,"POST",true);
	}
	this.postf=function() {
		var fo,vaf,pcbf,purl,pc,pm,ac=arguments.length,av=arguments;
		fo=ac>0?$VO(av[0]):false;
		if(!fo||(fo&&fo.nodeName!="FORM")) return false;
		vaf=fo.getAttribute("onsubmit");
		vaf=vaf?(typeof(vaf)=="string"?new Function(vaf):vaf):null;
		if(vaf&&!vaf()) return false;
		pcbf=ac>1?$CB(av[1]):this.oncomplete;
		purl=ac>2?av[2]:(fo.action?fo.action:this.url);
		pm=ac>3?av[3]:(fo.method?fo.method.toUpperCase():"POST");
		if(!pcbf&&!purl) return false;
		pc=this.formToStr(fo);
		if(!pc) return false;
		if(pm) {
			if(pm=="POST") send(purl,pc,pcbf,"POST",true);
			else if(purl.indexOf("?")>0) send(purl+"&"+pc,"",pcbf,"GET",true);
				else send(purl+"?"+pc,"",pcbf,"GET",true);
		}
		else send(purl,pc,pcbf,"POST",true);
	}
	/* formToStr
	// from SurfChen <surfchen@gmail.com>
	// @url     http://www.surfchen.org/
	// @license http://www.gnu.org/licenses/gpl.html GPL
	// modified by xujiwei
	// @url     http://www.xujiwei.cn/
	*/
	this.formToStr=function(fc) {
		var i,qs="",and="",ev="";
		for(i=0;i<fc.length;i++) {
			e=fc[i];
			if (e.name!='') {
				if (e.type=='select-one'&&e.selectedIndex>-1) ev=e.options[e.selectedIndex].value;
				else if (e.type=='checkbox' || e.type=='radio') {
					if (e.checked==false) continue;
					ev=e.value;
				}
				else ev=e.value;
				ev=encode(ev);
				qs+=and+e.name+'='+ev;
				and="&";
			}
		}
		return qs;
	}
}

// ==========================================================================
// @function	Complete AHAH function
// @author		Daniele Florio
// @site		www.gizax.it
// @version	1.1.3 experimental

// @thanksTo	Andrea Paiola,Walter Wlodarski,Scott Chapman

// @updated 1.1.3 ( execJS function ) @thanks to Giovanni Zona

// (c) 2006 Daniele Florio <daniele@gizax.it>

// ==========================================================================

var completeAHAH = {

	loading : 'loading data...',

	ahah : function (url, target, delay, method, parameters) {

	  if ( ( method == undefined ) || ( method == "GET" ) || ( method == "get" ) ){

			this.creaDIV(target, this.loading);

			if (window.XMLHttpRequest) {
				req = new XMLHttpRequest();
			}
			else if (window.ActiveXObject) {
				req = new ActiveXObject("Microsoft.XMLHTTP");
			}
			if (req) {
				req.onreadystatechange = function() {
					completeAHAH.ahahDone(url, target, delay, method, parameters);
				};
				req.open(method, url, true);
				req.send("");
			}
		}
		if ( (method == "POST") || (method == "post") ){

			this.creaDIV(target, this.loading);

			if (window.XMLHttpRequest) {
				req = new XMLHttpRequest();
			}
			else if (window.ActiveXObject) {
				req = new ActiveXObject("Microsoft.XMLHTTP");
			}
			if (req) {
				req.onreadystatechange = function() {
					completeAHAH.ahahDone(url, target, delay, method, parameters);
				};
				req.open(method, url, true);
				req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
				req.send(parameters);
			 }
		}
	},

	creaDIV : function (target, html){

	   if (document.body.innerHTML){
			   document.getElementById(target).innerHTML = html;
	   }
	   else if (document.getElementById){
			   var element = document.getElementById(target);
			   var range = document.createRange();

			   range.selectNodeContents(element);
			   range.deleteContents();
			   element.appendChild(range.createContextualFragment(html));

	   }
	},

	execJS : function (node) {

		var st = node.getElementsByTagName('SCRIPT');
		var strExec;

		var bSaf = (navigator.userAgent.indexOf('Safari') != -1);
		var bOpera = (navigator.userAgent.indexOf('Opera') != -1);
		var bMoz = (navigator.appName == 'Netscape');

		for(var i=0;i<st.length; i++) {
			if (bSaf) {
			  strExec = st[i].innerHTML;
			}
			else if (bOpera) {
			  strExec = st[i].text;
			}
			else if (bMoz) {
			  strExec = st[i].textContent;
			}
			else {
			  strExec = st[i].text;
			}
			try {
			  eval(strExec);
			} catch(e) {
			  alert(e);
			}
		}

	},	

	ahahDone : function (url, target, delay, method, parameters) {
		if (req.readyState == 4) {
			element = document.getElementById(target);
			if (req.status == 200) {

				//this.creaDIV(target, req.responseText);
				output = req.responseText;
				document.getElementById(target).innerHTML = output;
				var j = document.createElement("div");
				j.innerHTML = "_" + output + "_";
				this.execJS(j);

			}
			else {
				this.creaDIV(target, "ahah error:\n"+req.statusText);
			}
		}
	},

	/*

	@@ parameters :
	fileName	= name of your cgi or other
	method		= GET or POST, default is GET
	formName	= name of your form
	dynamicTarget	= name of your dynamic Target DIV or other

	@@ usage :
	<form id="formName" action="javascript:completeAHAH.likeSubmit('fileName', 'method', 'formName', 'dynamicTarget');">

	*/

	likeSubmit : function ( file, method, formName, target ) {

		var the_form = document.getElementById(formName);
		var num = the_form.elements.length;
		var url = "";
		var radio_buttons = new Array();
		var nome_buttons = new Array();
		var check_buttons = new Array();
		var nome_buttons = new Array();

		// submit radio values
		var j = 0;
		var a = 0;
		for(var i=0; i<the_form.length; i++){
			var temp = the_form.elements[i].type;
			if ( (temp == "radio") && ( the_form.elements[i].checked) ) {
				nome_buttons[a] = the_form.elements[i].name;
				radio_buttons[j] = the_form.elements[i].value;
				j++;
				a++;
			}
		}
		for(var k = 0; k < radio_buttons.length; k++) {
			url += nome_buttons[k] + "=" + radio_buttons[k] + "&";
		}

		// submit checkbox values
		var j = 0;
		var a = 0;
		for(var i=0; i<the_form.length; i++){
			var temp = the_form.elements[i].type;
			if ( (temp == "checkbox") && ( the_form.elements[i].checked) ) {
				nome_buttons[a] = the_form.elements[i].name;
				check_buttons[j] = the_form.elements[i].value;
				j++;
				a++;
			}
		}
		for(var k = 0; k < check_buttons.length; k++) {
			url += nome_buttons[k] + "=" + check_buttons[k] + "&";
		}

		// submit all kind of input
		for (var i = 0; i < num; i++){
			var chiave = the_form.elements[i].name;
			var valore = the_form.elements[i].value;
			var tipo = the_form.elements[i].type;

			if ( (tipo == "submit") || (tipo == "radio") || (tipo == "checkbox") ){}
			else {
				url += chiave + "=" + valore + "&";
			}
		}

		var parameters = url;
		url = file + "?" + url;

		if (method == undefined) {
			method = "GET";
		}
		if (method == "GET") {
			this.ahah(url, target, '', method, '');
		}
		else {
			this.ahah(file, target, '', method, parameters);
		}
	}

};