| Jquery.extend ({
Createuploadiframe:function (ID, URI)
{
Create frame
var Frameid = ' juploadframe ' + ID;
var iframehtml = ' <iframe id= ' + Frameid + ' "name=" ' + Frameid + ' "style=" position:absolute; top:-9999px; Left:-9999px "';
if (window. ActiveXObject)
{
if (typeof uri== ' Boolean ') {
iframehtml + = ' src= ' + ' javascript:false ' + ' ';
}
else if (typeof uri== ' string ') {
iframehtml + = ' src= ' + uri + ' "; }
}
iframehtml + = '/> ';
JQuery (iframehtml). Appendto (Document.body); return JQuery (' # ' + Frameid). Get (0);
},
Createuploadform:function (ID, fileelementid, data)
{
Create form
var formid = ' juploadform ' + ID;
var Fileid = ' juploadfile ' + ID;
var form = jQuery (' <form action= "" method= "POST" name= "' + Formid + '" id= "' + Formid + '" enctype= "Multipart/form-dat A "></form>");
if (data)
{
for (var i in data)
{
JQuery (' <input type= "hidden" name= "' + i + '" value= "' + data[i] + '"/> '). Appendto (form);
}
}
var oldelement = jQuery (' # ' + Fileelementid);
var newelement = jQuery (oldelement). Clone ();
JQuery (oldelement). attr (' id ', fileid);
JQuery (Oldelement). before (newelement);
JQuery (oldelement). appendto (form); Set attributes
JQuery (Form). CSS (' position ', ' absolute ');
JQuery (Form). CSS (' top ', ' -1200px ');
JQuery (Form). CSS (' left ', ' -1200px ');
JQuery (Form). Appendto (' body ');
return form;
}, Ajaxfileupload:function (s) {
TODO introduce global settings, allowing the client to modify them for all requests, not only timeout
s = Jquery.extend ({}, jquery.ajaxsettings, s);
var id = new Date (). GetTime ()
var form = Jquery.createuploadform (ID, S.fileelementid, (typeof (S.data) = = ' undefined '? false:s.data));
var io = jquery.createuploadiframe (ID, S.secureuri);
var Frameid = ' juploadframe ' + ID;
var formid = ' juploadform ' + ID;
Watch for a new set of requests
if (S.global &&! jquery.active++)
{
JQuery.event.trigger ("Ajaxstart");
}
var requestdone = false;
Create the Request object
var xml = {}
if (S.global)
JQuery.event.trigger ("Ajaxsend", [XML, S]);
Wait for a response to come
var uploadcallback = function (istimeout)
{
var io = document.getElementById (Frameid);
Try
{
if (Io.contentwindow)
{
Xml.responsetext = Io.contentwindow.document.body?io.contentwindow.document.body.innerhtml:null;
Xml.responsexml = io.contentwindow.document.xmldocument?io.contentwindow.document.xmldocument: Io.contentWindow.document; }else if (io.contentdocument)
{
Xml.responsetext = Io.contentdocument.document.body?io.contentdocument.document.body.innerhtml:null;
Xml.responsexml = io.contentdocument.document.xmldocument?io.contentdocument.document.xmldocument: Io.contentDocument.document;
}
}catch (e)
{
Jquery.handleerror (s, XML, NULL, E);
}
if (XML | | istimeout = = "Timeout")
{
Requestdone = true;
var status;
try {
Status = Istimeout!= "Timeout"? "Success": "Error";
Make sure this request was successful or notmodified
if (Status!= "error")
{
Process the data (runs the XML through Httpdata regardless of callback)
var data = Jquery.uploadhttpdata (XML, S.datatype);
If a local callback is specified, fire it and pass it the data
if (s.success)
S.success (data, status); Fire the global callback
if (S.global)
JQuery.event.trigger ("Ajaxsuccess", [XML, S]);
} else
Jquery.handleerror (S, XML, status);
catch (E)
{
Status = "Error";
Jquery.handleerror (S, XML, status, E);
} The request was completed
if (S.global)
JQuery.event.trigger ("Ajaxcomplete", [XML, S]); Handle the Global AJAX counter
if (S.global &&!--jquery.active)
JQuery.event.trigger ("Ajaxstop"); Process result
if (S.complete)
S.complete (XML, status); JQuery (IO). Unbind () settimeout ( function ()
{ try
{
JQuery (IO). Remove ();
jQuery (Form). Remove (); catch (E)
{
Jquery.handleerror (s, XML, NULL, E);
} }, 100) XML = NULL }
}
//Timeout checker
if (S.timeout > 0)
{
settimeout (function () {
//Check to-if the request is still happening
if (!requestdone) uploadcallback ("timeout");
}, S.timeout);
}
try
{ var form = jQuery (' # ' + formid);
JQuery (Form). attr (' action ', S.url);
JQuery (Form). attr (' method ', ' POST ');
JQuery (Form). attr (' target ', Frameid);
if (form.encoding)
{
JQuery (Form). attr (' Encoding ', ' multipart/form-data ');
}
Else
{
JQuery (Form). attr (' enctype ', ' multipart/form-data ');
}
JQuery (Form). Submit (); catch (E)
{
Jquery.handleerror (s, XML, NULL, E);
} JQuery (' # ' + Frameid). Load (uploadcallback);
return {abort:function () {}}; }, Uploadhttpdata:function (r, type) {
var data =!type;
data = Type = = "xml" | | Data? R.responsexml:r.responsetext;
If the type is ' script ', eval it in global context
if (type = = "Script")
Jquery.globaleval (data);
Get the JavaScript object, if JSON is used.
if (type = = "json")
eval ("data =" + data);
Evaluate scripts within HTML
if (type = = "html")
JQuery ("<div>"). HTML (data). Evalscripts (); return data;
}, Handleerror:function (S, xhr, status, E) {
If a local callback is specified, fire it
if (s.error) {
S.error.call (S.context | | s, XHR, status, E);
} Fire the global callback
if (S.global) {
(S.context jQuery (s.context): jquery.event). Trigger ("Ajaxerror", [XHR, S, E]);
}
}
}) |
