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February 6, 2011 16:09
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/* | |
mintAjax 1.2.4.2 | |
www.mintajax.pl | |
Copyright 2007 Piotr Korzeniewski | |
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. | |
*/ | |
var mint = {}; | |
mint.ext = {}; | |
mint.Request = function(url, target, OnSuccess, OnError) | |
{ | |
var req = { | |
xhr : null, | |
responseText : null, | |
responseXML : null, | |
responseJSON : null, | |
getJSON : false, | |
clearParams : true, | |
clearHeader : true, | |
evalScripts : false, | |
evalResponse : false, | |
params : [], | |
header : [], | |
group : null, | |
url : null, | |
async : true, | |
method : "GET", | |
encoding : "utf-8", | |
contentType : "text/plain", | |
username : "", | |
password : "", | |
form : null, | |
resetForm : false, | |
disableForm : true, | |
status : null, | |
statusText : null, | |
reqDone : false, | |
retryCount : 0, | |
retryNum : 3, | |
timeout : 5000, | |
OnStateChange : function() {}, | |
OnLoading : function() {}, | |
OnLoaded : function() {}, | |
OnInteractive : function() {}, | |
OnComplete : function() {}, | |
OnSuccess : function() {}, | |
OnError : function() {}, | |
OnAbort : function() {}, | |
OnRetry : function() {}, | |
OnTimeout : function() {}, | |
Send : function(url, target) { | |
this.reqDone = false; | |
if(window.XMLHttpRequest) { | |
this.xhr = new XMLHttpRequest(); | |
} | |
else if(window.ActiveXObject) { | |
try { | |
this.xhr = new ActiveXObject("Msxml2.XMLHTTP"); | |
} | |
catch(e) { | |
this.xhr = new ActiveXObject("Microsoft.XMLHTTP"); | |
} | |
} | |
if(url) this.url = url; | |
var paramStr = ""; | |
with(this) { | |
for(var i = 0; i < params.length; ++i) { | |
if(i != 0) paramStr += "&"; | |
paramStr += encodeURIComponent(params[i].name)+"="+encodeURIComponent(params[i].value); | |
} | |
if(method.toLowerCase() == "post") | |
xhr.open(method.toUpperCase(), url, async, username, password); | |
else | |
xhr.open(method.toUpperCase(), params.length > 0 ? url+(!/\?/.test(url) ? "?"+paramStr : "&"+paramStr) : url, async, username, password); | |
for(var i = 0; i < header.length; ++i) | |
xhr.setRequestHeader(header[i].name, header[i].value); | |
if(method.toLowerCase() == "post") | |
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"+(encoding ? "; charset="+encoding : "")); | |
else | |
xhr.setRequestHeader("Content-Type", contentType); | |
xhr.setRequestHeader("If-Modified-Since", "Sat, 11 Jan 1977 00:00:00 GMT"); | |
} | |
var that = this; | |
this.xhr.onreadystatechange = | |
function() { | |
that.OnStateChange(); | |
switch(that.xhr.readyState) { | |
case 1 : that.OnLoading(); break; | |
case 2 : that.OnLoaded(); break; | |
case 3 : that.OnInteractive(); break; | |
case 4 : { | |
that.OnComplete(); | |
try { | |
if(!that.reqDone && that.xhr.status >= 200 && that.xhr.status < 300) { | |
that.reqDone = true; | |
that.responseText = that.xhr.responseText; | |
that.responseXML = that.xhr.responseXML; | |
that.status = that.xhr.status; | |
that.statusText = that.xhr.statusText; | |
if(target) mint.$D(target).innerHTML = that.responseText; | |
if(that.getJSON) that.responseJSON = eval("("+that.responseText+")"); | |
else if(that.evalScripts) EvalScripts(that.responseText); | |
if(that.form) { | |
if(that.disableForm) { | |
for(var i = 0; i < that.form.elements.length; ++i) | |
that.form.elements[i].disabled = false; | |
} | |
if(that.resetForm) that.form.reset(); | |
} | |
if(that.group) { | |
var groupDone = true; | |
for(var i = 0; i < that.group.req.length; ++i) | |
if(!that.group.req[i].reqDone) groupDone = false; | |
if(groupDone) { | |
that.group.isRunning = false; | |
that.group.OnDone(); | |
} | |
} | |
that.OnSuccess(); | |
if(that.clearParams) while(that.params.length > 0) that.params.pop(); | |
if(that.clearHeader) while(that.header.length > 0) that.header.pop(); | |
} | |
else that.OnError(that.status); | |
} | |
catch (e) { | |
that.OnError(-1); | |
} | |
break; | |
} | |
} | |
} | |
with(this) { | |
if(group) { | |
if(!group.isRunning) { | |
group.isRunning = true; | |
group.OnStart(this); | |
} | |
} | |
xhr.send(method.toLowerCase() == "post" ? paramStr : null); | |
} | |
if(this.retryNum) { | |
setTimeout( | |
function() { | |
if(!that.reqDone) { | |
that.xhr.onreadystatechange = function() {}; | |
that.xhr.abort(); | |
that.OnTimeout(); | |
if(!that.reqDone && that.retryCount < that.retryNum) { | |
that.retryCount++; | |
that.Send(); | |
that.OnRetry(); | |
} | |
else { | |
if(that.form && that.disableForm) { | |
for(var i = 0; i < that.form.elements.length; ++i) | |
that.form.elements[i].disabled = false; | |
} | |
that.reqDone = true; | |
that.retryCount = 0; | |
that.OnAbort(); | |
} | |
} | |
}, | |
this.timeout); | |
} | |
}, | |
SendForm : function(form, url, method) { | |
this.form = mint.$D(form); | |
this.url = url || this.form.action || this.url; | |
this.method = method || this.form.method || "post"; | |
var input = this.form.elements; | |
for(var i = 0; i < input.length; i++) { | |
if(this.disableForm) input[i].disabled = true; | |
switch(input[i].type) { | |
case "radio": | |
case "checkbox": | |
if(input[i].checked) | |
this.AddParam(input[i].name, input[i].value); | |
break; | |
case "select-one": | |
var sel = input[i].options[input[i].selectedIndex]; | |
this.AddParam(input[i].name, sel.value.length > 0 ? sel.value : sel.innerHTML); | |
break; | |
case "select-multiple": | |
for(var x = 0; x < input[i].options.length; ++x) { | |
if(input[i].options[x].selected) | |
this.AddParam(input[i].name, input[i].options[x].value); | |
} | |
break; | |
default: | |
this.AddParam(input[i].name, input[i].value); | |
} | |
} | |
this.Send(this.url); | |
}, | |
Set : function(attr, value) { | |
if(typeof value != "undefined") this[attr] = value; | |
else for(var a in attr) this[a] = attr[a]; | |
return this; | |
}, | |
AddParam : function(name, value) { | |
this.params.push({name:name, value:value}); | |
return this; | |
}, | |
RemoveParam : function(name) { | |
for(var i = 0; i < this.params.length; ++i) { | |
if(this.params[i].name == name) { | |
this.params.splice(i, 1); | |
break; | |
} | |
} | |
return this; | |
}, | |
AddHeader : function(name, value) { | |
this.params.push({name:name, value:value}); | |
return this; | |
}, | |
RemoveHeader : function(name) { | |
for(var i = 0; i < this.header.length; ++i) { | |
if(this.header[i].name == name) { | |
this.header.splice(i, 1); | |
break; | |
} | |
} | |
} | |
} | |
if(OnSuccess && typeof OnSuccess == "function") | |
req.OnSuccess = OnSuccess; | |
if(OnError && typeof OnError == "function") | |
req.OnError = OnError; | |
if(url) target ? req.Send(url, target) : req.Send(url); | |
return req; | |
}; | |
mint.RequestGroup = function() { | |
var group = { | |
req : [], | |
isRunning : false, | |
OnStart : function() {}, | |
OnDone : function() {}, | |
Add : function() { | |
for(var i = 0; i < arguments.length; ++i) { | |
arguments[i].group = this; | |
this.req.push(arguments[i]); | |
} | |
} | |
} | |
for(var i = 0; i < arguments.length; ++i) | |
group.Add(arguments[i]); | |
return group; | |
}; | |
mint.$D = function(obj) { | |
return (typeof obj == "string") ? document.getElementById(obj) : obj; | |
} | |
mint.$R = function(url, target, OnSuccess, OnError) { | |
return mint.Request(url, target, OnSuccess, OnError); | |
} | |
function EvalScripts(html) { | |
var script; | |
var reg = /(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)/gi; | |
var reg2 = /(?:<script.*?src=['"]{1}([^>]*)['"]{1}[^>]*>)((\n|\r|.)*?)(?:<\/script>)/gi; | |
while(script = reg.exec(html)) { | |
if(script[1]) window.execScript ? window.execScript(script[1]) : setTimeout(script[1], 0); | |
} | |
while(script = reg2.exec(html)) { | |
if(script[1].length > 0) { | |
var s = document.createElement("script"); | |
s.type = "text/javascript"; | |
s.src = script[1]; | |
document.body.appendChild(s); | |
} | |
} | |
} |
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