Projects : mp-wp : mp-wp_genesis
| 1 | /* Simple AJAX Code-Kit (SACK) v1.6.1 */ |
| 2 | /* www.twilightuniverse.com */ |
| 3 | /* Software licenced under a modified X11 licence, |
| 4 | see documentation or authors website for more details */ |
| 5 | |
| 6 | function sack(file) { |
| 7 | this.xmlhttp = null; |
| 8 | |
| 9 | this.resetData = function() { |
| 10 | this.method = "POST"; |
| 11 | this.queryStringSeparator = "?"; |
| 12 | this.argumentSeparator = "&"; |
| 13 | this.URLString = ""; |
| 14 | this.encodeURIString = true; |
| 15 | this.execute = false; |
| 16 | this.element = null; |
| 17 | this.elementObj = null; |
| 18 | this.requestFile = file; |
| 19 | this.vars = new Object(); |
| 20 | this.responseStatus = new Array(2); |
| 21 | }; |
| 22 | |
| 23 | this.resetFunctions = function() { |
| 24 | this.onLoading = function() { }; |
| 25 | this.onLoaded = function() { }; |
| 26 | this.onInteractive = function() { }; |
| 27 | this.onCompletion = function() { }; |
| 28 | this.onError = function() { }; |
| 29 | this.onFail = function() { }; |
| 30 | }; |
| 31 | |
| 32 | this.reset = function() { |
| 33 | this.resetFunctions(); |
| 34 | this.resetData(); |
| 35 | }; |
| 36 | |
| 37 | this.createAJAX = function() { |
| 38 | try { |
| 39 | this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); |
| 40 | } catch (e1) { |
| 41 | try { |
| 42 | this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); |
| 43 | } catch (e2) { |
| 44 | this.xmlhttp = null; |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | if (! this.xmlhttp) { |
| 49 | if (typeof XMLHttpRequest != "undefined") { |
| 50 | this.xmlhttp = new XMLHttpRequest(); |
| 51 | } else { |
| 52 | this.failed = true; |
| 53 | } |
| 54 | } |
| 55 | }; |
| 56 | |
| 57 | this.setVar = function(name, value){ |
| 58 | this.vars[name] = Array(value, false); |
| 59 | }; |
| 60 | |
| 61 | this.encVar = function(name, value, returnvars) { |
| 62 | if (true == returnvars) { |
| 63 | return Array(encodeURIComponent(name), encodeURIComponent(value)); |
| 64 | } else { |
| 65 | this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true); |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | this.processURLString = function(string, encode) { |
| 70 | encoded = encodeURIComponent(this.argumentSeparator); |
| 71 | regexp = new RegExp(this.argumentSeparator + "|" + encoded); |
| 72 | varArray = string.split(regexp); |
| 73 | for (i = 0; i < varArray.length; i++){ |
| 74 | urlVars = varArray[i].split("="); |
| 75 | if (true == encode){ |
| 76 | this.encVar(urlVars[0], urlVars[1]); |
| 77 | } else { |
| 78 | this.setVar(urlVars[0], urlVars[1]); |
| 79 | } |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | this.createURLString = function(urlstring) { |
| 84 | if (this.encodeURIString && this.URLString.length) { |
| 85 | this.processURLString(this.URLString, true); |
| 86 | } |
| 87 | |
| 88 | if (urlstring) { |
| 89 | if (this.URLString.length) { |
| 90 | this.URLString += this.argumentSeparator + urlstring; |
| 91 | } else { |
| 92 | this.URLString = urlstring; |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | // prevents caching of URLString |
| 97 | this.setVar("rndval", new Date().getTime()); |
| 98 | |
| 99 | urlstringtemp = new Array(); |
| 100 | for (key in this.vars) { |
| 101 | if (false == this.vars[key][1] && true == this.encodeURIString) { |
| 102 | encoded = this.encVar(key, this.vars[key][0], true); |
| 103 | delete this.vars[key]; |
| 104 | this.vars[encoded[0]] = Array(encoded[1], true); |
| 105 | key = encoded[0]; |
| 106 | } |
| 107 | |
| 108 | urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0]; |
| 109 | } |
| 110 | if (urlstring){ |
| 111 | this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator); |
| 112 | } else { |
| 113 | this.URLString += urlstringtemp.join(this.argumentSeparator); |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | this.runResponse = function() { |
| 118 | eval(this.response); |
| 119 | } |
| 120 | |
| 121 | this.runAJAX = function(urlstring) { |
| 122 | if (this.failed) { |
| 123 | this.onFail(); |
| 124 | } else { |
| 125 | this.createURLString(urlstring); |
| 126 | if (this.element) { |
| 127 | this.elementObj = document.getElementById(this.element); |
| 128 | } |
| 129 | if (this.xmlhttp) { |
| 130 | var self = this; |
| 131 | if (this.method == "GET") { |
| 132 | totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString; |
| 133 | this.xmlhttp.open(this.method, totalurlstring, true); |
| 134 | } else { |
| 135 | this.xmlhttp.open(this.method, this.requestFile, true); |
| 136 | try { |
| 137 | this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded") |
| 138 | } catch (e) { } |
| 139 | } |
| 140 | |
| 141 | this.xmlhttp.onreadystatechange = function() { |
| 142 | switch (self.xmlhttp.readyState) { |
| 143 | case 1: |
| 144 | self.onLoading(); |
| 145 | break; |
| 146 | case 2: |
| 147 | self.onLoaded(); |
| 148 | break; |
| 149 | case 3: |
| 150 | self.onInteractive(); |
| 151 | break; |
| 152 | case 4: |
| 153 | self.response = self.xmlhttp.responseText; |
| 154 | self.responseXML = self.xmlhttp.responseXML; |
| 155 | self.responseStatus[0] = self.xmlhttp.status; |
| 156 | self.responseStatus[1] = self.xmlhttp.statusText; |
| 157 | |
| 158 | if (self.execute) { |
| 159 | self.runResponse(); |
| 160 | } |
| 161 | |
| 162 | if (self.elementObj) { |
| 163 | elemNodeName = self.elementObj.nodeName; |
| 164 | elemNodeName.toLowerCase(); |
| 165 | if (elemNodeName == "input" |
| 166 | || elemNodeName == "select" |
| 167 | || elemNodeName == "option" |
| 168 | || elemNodeName == "textarea") { |
| 169 | self.elementObj.value = self.response; |
| 170 | } else { |
| 171 | self.elementObj.innerHTML = self.response; |
| 172 | } |
| 173 | } |
| 174 | if (self.responseStatus[0] == "200") { |
| 175 | self.onCompletion(); |
| 176 | } else { |
| 177 | self.onError(); |
| 178 | } |
| 179 | |
| 180 | self.URLString = ""; |
| 181 | break; |
| 182 | } |
| 183 | }; |
| 184 | |
| 185 | this.xmlhttp.send(this.URLString); |
| 186 | } |
| 187 | } |
| 188 | }; |
| 189 | |
| 190 | this.reset(); |
| 191 | this.createAJAX(); |
| 192 | } |