dynapi-cvs

[Robert R. <rai...@us...>]

Update of /cvsroot/dynapi/dynapi2x/src/util
In directory usw-pr-cvs1:/tmp/cvs-serv19326/src/util

Added Files:
	cookie.js ioelement.js 
Log Message:
initial import


--- NEW FILE ---
/*
   DynAPI Distribution
   Cookie functions

   The DynAPI Distribution is distributed under the terms of the GNU LGPL license.
*/ 

/*
This is not tested, should work like this:

		var c = new Cookie('mycookieset');
		c.set('name','MyName');  // re-saves cookie each time a value is added
		c.add('array',[1,2,3]);
		
		var c = new Cookie('mycookieset');  // auto-retrieves saved cookie object
		var name = c.get('name');
		var array = c.get('array');
		array[array.length] = 4;
		c.add('name',name+' MyLastName');
		c.add('array',array);
*/

function Cookie(name) {
	this.inherit('DynObject');
	this.name = name;
	this.data = {};
	this.exists = false;
	var c = dynapi.functions.getCookie(this.name);
	if (c) {
		this.exists = true;
		var a = c.split(',');
		var x,n,v;
		for (var i=0;i<a.length;a++) {
			x = a[i].split('=');
			n = x[0];
			v = x[1];
			if (n && v) this.data[n] = v;
		}
		//var i1 = c.indexOf('expires=');
		this._save(false);
	}
	else this._save();
}
var p = dynapi.setPrototype('Cookie','DynObject');
p.get = function(name) {
	return this.data[name];
};
p.getAll = function() {
	return data;
};
p.add = function(name,value) {
	this.data[name] = value;
	this._save();
};
p.remove = function(name) {
	this.data[name] = null;
	delete this.data[name];
	this._save();
};
p.setExpires = function(days) {
	this.expires = days;
};
p.destroy = function() {
	dynapi.functions.deleteCookie(this.name);
};
p._save = function(write) {
	var s = '';
	for (var i in this.data) {
		var v = this.data[i];
		if (v) s += i + '=' + escape(v) + ',';
	}
	s = s.substring(0,s.length-1);
	var f = 'Saved';
	if (write!=false) dynapi.functions.setCookie(this.name,s,this.expires);
	else f = 'Found';
	dynapi.debug.print(f+' Cookie: name='+this.name+' data={'+s+'}');
};

dynapi.functions.setCookie = function(name,value,days) {
	if (days) {
		var date=new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires="; expires="+date.toGMTString();
	} 
	else expires = "";
	dynapi.frame.document.cookie = name+"="+value+expires+"; path=/";
};
dynapi.functions.getCookie = function(name) {
	var nameEQ = name+"=";
	var ca = dynapi.frame.document.cookie.split(';');
	for(var i=0;i<ca.length;i++) {
		var c=ca[i];
		while (c.charAt(0)==' ') c=c.substring(1,c.length);
		if (c.indexOf(nameEQ)==0) return c.substring(nameEQ.length,c.length);
	}
	return null;
};
dynapi.functions.deleteCookie = function(name) {
	dynapi.functions.setCookie(name,"",-1);
};

--- NEW FILE ---
/*
	DynAPI Distribution
	IOElement Class

	The DynAPI Distribution is distributed under the terms of the GNU LGPL license.

	requires: dynapi.api.DynLayer

	// pages loaded must include this code:
	<script>
		if (parent.DynAPI) parent.IOElement.notify(this);
	</script>

*/

function IOElement(hiddenThreads) {
	this.inherit('DynLayer');
	this._elmID = this.id+'elm';
	this._requests = {};	// [url,data,fn,method,id,timer,cargo]
	this._cargoID='';
	this._requestList = [];
	this._requestIndex = -1;
	this._retryID=null;

	this.api={};
	this.api.source=this;
	this.failTime = 50000;
	this._elmBusy=[];
	this._elmThread=null;
	this._maxThreads=(hiddenThreads>1 && hiddenThreads<=8)? hiddenThreads : 1;
	this._hidden = (hiddenThreads!=null)? true : false;
	if (this._hidden) {
		this.setVisible(false);
		var o = this;
		if (!dynapi.loaded) {
			dynapi.onLoad(function() {
				dynapi.document.addChild(o);
			});
		}
		else dynapi.document.addChild(o);
	}

	this.addEventListener(IOElement.events);
};
var p = dynapi.setPrototype('IOElement','DynLayer');
IOElement.events = {
	onprecreate : function(e) {
		var html=[],o = e.getSource();
		if (o._hidden) {
			if (dynapi.ua.ns4) html = ['<ilayer name="',o._elmID,'" visibility="hide" width=0 height=0></ilayer>'];
			else if (dynapi.ua.ie) html = ['<iframe name="',o._elmID,'" style="width:0px; height:0px; visibility:hidden"></iframe>'];  //style="display:none"
			else html = ['<iframe name="',o._elmID,'" style="width:0px; height:0px; visibility:hidden"></iframe>'];
			o.html=html.join('')
			o._elmThread=o._elmID;
			o._elmBusy[o._elmID]=false;
			for(var i=1;i<o._maxThreads;i++){ // setup additional threads
				html[1]=o._elmID+'x'+i;
				o.html+=html.join('');
				o._elmBusy[o._elmID+'x'+i]=false; // flag as not busy
			}
		}else{
			if (dynapi.ua.ns4) o.html = '<layer width='+o.w+' height='+o.h+' name="'+o._elmID+'" visibility="inherit"></ilayer>';
			else o.html = '<iframe name="'+o._elmID+'" width='+o.w+' height='+o.h+' scrolling="no" frameborder="no" marginwidth=0 marginheight=0 style="overflow:hidden;"></iframe>';
		}
	},
	oncreate : function(e) {
		var o = e.getSource();
		if (o.getScope()) {
			if (o._requestList.length>0) o._doRequest();
		}
	}
};
p.setTimeout=function(ms){if(!isNaN(ms))this.failTime=ms;}
p.getVariable = function(name) {
	return this.getScope()[name];
};
p.getScope = function() {
	var scope;
	if (dynapi.ua.ns4) scope = this.doc.layers[this._elmThread];
	else scope = window.frames[this._elmThread];
	if (!scope) return alert('IOElement Error: no load element');
	else return scope;
};
p.getCargo=function(){
	if(!this._cargoID) return null;
	var c=this._requests[this._cargoID][6];
	this._requests[this._cargoID][6]=null;
	return c;
};
p.isBusy = function(){
	for (var i in this._elmBusy){
		if (this._elmBusy[i]==false) return false;
	};return true
};
p.cancelAll=function(){
	this._requests=[];
	for (var i in this._elmBusy){
		this.elmThread=i;
		this._clearScope();
	}
}
p.cancel= function(id){
	id=(id)? id:this._retryID;
	var req=this._requests[id];
	if(req){
		this._elmBusy[req[4]]=false;
		this._requests[id]=null;
		this._clearScope()
		return true;
	}
};
p.retry=function(id){
	id=(id)? id:this._retryID;
	var req=this._requests[id];
	if(req)	{
		window.setTimeout(this+'._doRequest("'+id+'")',50);
		return true;
	}
}
p.get = function(url,data,fn,cargo) {
	return this._request(url,data,fn,'get',cargo);
};
p.post = function(url,data,fn,cargo) {
	return this._request(url,data,fn,'post',cargo);
};
p._request = function(url,data,fn,method,cargo) {
	var id = Math.random()+'';  // create random load ID to ensure no caching
	id = 'io'+id.substring(2);
	dynapi.debug.print("IOElement "+method+" request");
	if (typeof(url)=="string") this._requests[id] = [url,data,fn,method,null,null,cargo];
	else if (method=="get") {
		for (var i=0;i<url.length;i++) {  // support loading several files, attach handler to last file
			var src = url[i];
			if (i<url.length-1) this._requests[id] = [src,null,null,method,null,null,cargo];
			else this._requests[id] = [src,data,fn,method,null,null];
		}
	}

	this._requestList[this._requestList.length] = id;
	window.setTimeout(this+'._doRequest()',20);
	return id
};
p._doRequest = function(id) {
	if (this.isBusy()) return;
	else {
		if (this._requestIndex<this._requestList.length-1 || id) {
			if(!id){ // direct request - used by the retry() method
				this._requestIndex++;
				id = this._requestList[this._requestIndex];
			}
			var r = this._requests[id];
			var url = r[0];
			var data = r[1];
			var fn = r[2];
			var method = r[3];
			var elm = this._getFreeElm(); if(!elm) return;
			r[4]=this._elmThread;
			if (url.indexOf('http')!=0) {
				if (url.substr(0,1)=='/') url = 'http://'+dynapi.frame.document.domain+url;
				else url = dynapi.documentPath+url;
			}

			url += (url.indexOf('?')==-1)? '?' : '&';
			url += 'ioRequestID='+id+'&ioElementID='+this.id;

			r[5] = window.setTimeout(this+'._notify("'+id+'","'+url+'",false)',this.failTime);

			if (method=="get" || dynapi.ua.ns4) {
				if (data) {
					for (var i in data) {
						url += '&'+i+'='+escape(data[i]);
					}
				}
				if (dynapi.ua.ns4) elm.src = url;
				else elm.document.location.href = url;
			}else {
				var str = '<html><body><form name="ioDataForm" action="'+url+'" method="post">';
				var i;
				if (data) {
					for (i in data) {
						str += '<input name="'+i+'" type="hidden">';
					}
				}
				str += '</form></body></html>';

				elm.document.open();
				elm.document.write(str);
				elm.document.close();

				var f = elm.document.forms['ioDataForm'];
				if (!f) return alert("IOElement Error: no form element found");
				if (f && data) {
					for (i in data) {
						f[i].value = data[i];
					}
				}
				f.submit();
			}
			this.invokeEvent("request");
		}else {
			// finished all
		}
	}
};
p._clearScope=function(){
	var doc=this.getScope().document
	if(doc){doc.open();doc.write('');doc.close()}
};
p._getFreeElm= function(){
	for (var i in this._elmBusy){
		if (this._elmBusy[i]==false){
			this._elmThread=i;this._elmBusy[i]=true
			return this.getScope()
		}
	}
};
p._notify = function(id, url, success) {
	var fn,req=this._requests[id];	if(!req)return;
	var s = (success!=null)? success : true;
	if (!this._elmBusy[req[4]] && success) {
		if(dprint)dprint('IOElement Error: '+id+' '+this._elmID+' '+url);
		return;
	}
	clearTimeout(req[5]);
	this._elmThread=req[4];
	fn = (req) ? req[2]:null;
	if(!s)this._retryID=id;
	this._cargoID=id;
	if (fn) {
		var e = new DynEvent("load",this);
		fn(e, s);
	}else{
		this.invokeEvent("response",null,s)
	}
	this._cargoID='';
	if(s)this._requests[id] = null;
	else this._clearScope();
	this._elmBusy[req[4]] = false;
	this._doRequest();
};
IOElement.notify = function(elm, fn, success) {  // ds: added success parameter to nicely relay server generated error messages
	if (elm) {
		var url, id;
		if (dynapi.ua.ns4) url = elm.src;
		else url = elm.document.location.href;
		if (url) {
			elm.args = dynapi.functions.getURLArguments(url);
			var id = elm.args["ioRequestID"];
			var obj = DynObject.all[elm.args["ioElementID"]];
			if (obj!=null && id!=null) {
				elm.onload = function() {
					if (fn) fn(obj); // send obj fn - rmo
					obj._notify(id,url, success);  // ds: success
				};
				return obj;
			}
			else {
				return false;
			}
		}
	}
	return null;
};