133 lines
3.9 KiB
JavaScript
133 lines
3.9 KiB
JavaScript
/* Simple AJAX Code-Kit (SACK) */
|
|
/* ©2005 Gregory Wild-Smith */
|
|
/* www.twilightuniverse.com */
|
|
/* Software licenced under a modified X11 licence, see documentation or authors website for more details */
|
|
|
|
function sack(file){
|
|
this.AjaxFailedAlert = "Your browser does not support the enhanced functionality of this website, and therefore you will have an experience that differs from the intended one.\n";
|
|
this.requestFile = file;
|
|
this.method = "POST";
|
|
this.URLString = "";
|
|
this.encodeURIString = true;
|
|
this.execute = false;
|
|
|
|
this.onLoading = function() { };
|
|
this.onLoaded = function() { };
|
|
this.onInteractive = function() { };
|
|
this.onCompletion = function() { };
|
|
|
|
this.createAJAX = function() {
|
|
try {
|
|
this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
|
|
} catch (e) {
|
|
try {
|
|
this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
|
|
} catch (err) {
|
|
this.xmlhttp = null;
|
|
}
|
|
}
|
|
if(!this.xmlhttp && typeof XMLHttpRequest != "undefined")
|
|
this.xmlhttp = new XMLHttpRequest();
|
|
if (!this.xmlhttp){
|
|
this.failed = true;
|
|
}
|
|
};
|
|
|
|
this.setVar = function(name, value){
|
|
if (this.URLString.length < 3){
|
|
this.URLString = name + "=" + value;
|
|
} else {
|
|
this.URLString += "&" + name + "=" + value;
|
|
}
|
|
}
|
|
|
|
this.encVar = function(name, value){
|
|
var varString = encodeURIComponent(name) + "=" + encodeURIComponent(value);
|
|
return varString;
|
|
}
|
|
|
|
this.encodeURLString = function(string){
|
|
varArray = string.split('&');
|
|
for (i = 0; i < varArray.length; i++){
|
|
urlVars = varArray[i].split('=');
|
|
if (urlVars[0].indexOf('amp;') != -1){
|
|
urlVars[0] = urlVars[0].substring(4);
|
|
}
|
|
varArray[i] = this.encVar(urlVars[0],urlVars[1]);
|
|
}
|
|
return varArray.join('&');
|
|
}
|
|
|
|
this.runResponse = function(){
|
|
eval(this.response);
|
|
}
|
|
|
|
this.runAJAX = function(urlstring){
|
|
this.responseStatus = new Array(2);
|
|
if(this.failed && this.AjaxFailedAlert){
|
|
alert(this.AjaxFailedAlert);
|
|
} else {
|
|
if (urlstring){
|
|
if (this.URLString.length){
|
|
this.URLString = this.URLString + "&" + urlstring;
|
|
} else {
|
|
this.URLString = urlstring;
|
|
}
|
|
}
|
|
if (this.encodeURIString){
|
|
var timeval = new Date().getTime();
|
|
this.URLString = this.encodeURLString(this.URLString);
|
|
this.setVar("rndval", timeval);
|
|
}
|
|
if (this.element) { this.elementObj = document.getElementById(this.element); }
|
|
if (this.xmlhttp) {
|
|
var self = this;
|
|
if (this.method == "GET") {
|
|
var totalurlstring = this.requestFile + "?" + this.URLString;
|
|
this.xmlhttp.open(this.method, totalurlstring, true);
|
|
} else {
|
|
this.xmlhttp.open(this.method, this.requestFile, true);
|
|
}
|
|
if (this.method == "POST"){
|
|
try {
|
|
this.xmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded')
|
|
} catch (e) {}
|
|
}
|
|
|
|
this.xmlhttp.send(this.URLString);
|
|
this.xmlhttp.onreadystatechange = function() {
|
|
switch (self.xmlhttp.readyState){
|
|
case 1:
|
|
self.onLoading();
|
|
break;
|
|
case 2:
|
|
self.onLoaded();
|
|
break;
|
|
case 3:
|
|
self.onInteractive();
|
|
break;
|
|
case 4:
|
|
self.response = self.xmlhttp.responseText;
|
|
self.responseXML = self.xmlhttp.responseXML;
|
|
self.responseStatus[0] = self.xmlhttp.status;
|
|
self.responseStatus[1] = self.xmlhttp.statusText;
|
|
self.onCompletion();
|
|
if(self.execute){ self.runResponse(); }
|
|
if (self.elementObj) {
|
|
var elemNodeName = self.elementObj.nodeName;
|
|
elemNodeName.toLowerCase();
|
|
if (elemNodeName == "input" || elemNodeName == "select" || elemNodeName == "option" || elemNodeName == "textarea"){
|
|
self.elementObj.value = self.response;
|
|
} else {
|
|
self.elementObj.innerHTML = self.response;
|
|
}
|
|
}
|
|
self.URLString = "";
|
|
break;
|
|
}
|
|
};
|
|
}
|
|
}
|
|
};
|
|
this.createAJAX();
|
|
} |