| /* Simple AJAX Code-Kit (SACK) v1.6.1 */ |
| /* ©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.xmlhttp = null; |
| |
| this.resetData = function() { |
| this.method = "POST"; |
| this.queryStringSeparator = "?"; |
| this.argumentSeparator = "&"; |
| this.URLString = ""; |
| this.encodeURIString = true; |
| this.execute = false; |
| this.element = null; |
| this.elementObj = null; |
| this.requestFile = file; |
| this.vars = new Object(); |
| this.responseStatus = new Array(2); |
| }; |
| |
| this.resetFunctions = function() { |
| this.onLoading = function() { }; |
| this.onLoaded = function() { }; |
| this.onInteractive = function() { }; |
| this.onCompletion = function() { }; |
| this.onError = function() { }; |
| this.onFail = function() { }; |
| }; |
| |
| this.reset = function() { |
| this.resetFunctions(); |
| this.resetData(); |
| }; |
| |
| this.createAJAX = function() { |
| try { |
| this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); |
| } catch (e1) { |
| try { |
| this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); |
| } catch (e2) { |
| this.xmlhttp = null; |
| } |
| } |
| |
| if (! this.xmlhttp) { |
| if (typeof XMLHttpRequest != "undefined") { |
| this.xmlhttp = new XMLHttpRequest(); |
| } else { |
| this.failed = true; |
| } |
| } |
| }; |
| |
| this.setVar = function(name, value){ |
| this.vars[name] = Array(value, false); |
| }; |
| |
| this.encVar = function(name, value, returnvars) { |
| if (true == returnvars) { |
| return Array(encodeURIComponent(name), encodeURIComponent(value)); |
| } else { |
| this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true); |
| } |
| } |
| |
| this.processURLString = function(string, encode) { |
| encoded = encodeURIComponent(this.argumentSeparator); |
| regexp = new RegExp(this.argumentSeparator + "|" + encoded); |
| varArray = string.split(regexp); |
| for (i = 0; i < varArray.length; i++){ |
| urlVars = varArray[i].split("="); |
| if (true == encode){ |
| this.encVar(urlVars[0], urlVars[1]); |
| } else { |
| this.setVar(urlVars[0], urlVars[1]); |
| } |
| } |
| } |
| |
| this.createURLString = function(urlstring) { |
| if (this.encodeURIString && this.URLString.length) { |
| this.processURLString(this.URLString, true); |
| } |
| |
| if (urlstring) { |
| if (this.URLString.length) { |
| this.URLString += this.argumentSeparator + urlstring; |
| } else { |
| this.URLString = urlstring; |
| } |
| } |
| |
| // prevents caching of URLString |
| this.setVar("rndval", new Date().getTime()); |
| |
| urlstringtemp = new Array(); |
| for (key in this.vars) { |
| if (false == this.vars[key][1] && true == this.encodeURIString) { |
| encoded = this.encVar(key, this.vars[key][0], true); |
| delete this.vars[key]; |
| this.vars[encoded[0]] = Array(encoded[1], true); |
| key = encoded[0]; |
| } |
| |
| urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0]; |
| } |
| if (urlstring){ |
| this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator); |
| } else { |
| this.URLString += urlstringtemp.join(this.argumentSeparator); |
| } |
| } |
| |
| this.runResponse = function() { |
| eval(this.response); |
| } |
| |
| this.runAJAX = function(urlstring) { |
| if (this.failed) { |
| this.onFail(); |
| } else { |
| this.createURLString(urlstring); |
| if (this.element) { |
| this.elementObj = document.getElementById(this.element); |
| } |
| if (this.xmlhttp) { |
| var self = this; |
| if (this.method == "GET") { |
| totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString; |
| this.xmlhttp.open(this.method, totalurlstring, true); |
| } else { |
| this.xmlhttp.open(this.method, this.requestFile, true); |
| try { |
| this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded") |
| } catch (e) { } |
| } |
| |
| 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; |
| |
| if (self.execute) { |
| self.runResponse(); |
| } |
| |
| if (self.elementObj) { |
| 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; |
| } |
| } |
| if (self.responseStatus[0] == "200") { |
| self.onCompletion(); |
| } else { |
| self.onError(); |
| } |
| |
| self.URLString = ""; |
| break; |
| } |
| }; |
| |
| this.xmlhttp.send(this.URLString); |
| } |
| } |
| }; |
| |
| this.reset(); |
| this.createAJAX(); |
| } |