(function($){var FileUpload=function(container){var fileUpload=this,uploadForm=(container.is('form')?container:container.find('form').first()),fileInput=uploadForm.find('input:file').first(),settings={namespace:'file_upload',cssClass:'file_upload',dropZone:container,url:uploadForm.attr('action'),method:uploadForm.attr('method'),fieldName:fileInput.attr('name'),multipart:true,formData:function(){return uploadForm.serializeArray();},withCredentials:false},documentListeners={},dropZoneListeners={},fileInputListeners={},undef='undefined',func='function',protocolRegExp=/^http(s)?:\/\//,isXHRUploadCapable=function(){return typeof XMLHttpRequest!==undef&&typeof File!==undef&&(!settings.multipart||typeof FormData!==undef||typeof FileReader!==undef);},initEventHandlers=function(){if(typeof settings.onDocumentDragEnter===func){documentListeners['dragenter.'+settings.namespace]=settings.onDocumentDragEnter;}
if(typeof settings.onDocumentDragLeave===func){documentListeners['dragleave.'+settings.namespace]=settings.onDocumentDragLeave;}
documentListeners['dragover.'+settings.namespace]=fileUpload.onDocumentDragOver;documentListeners['drop.'+settings.namespace]=fileUpload.onDocumentDrop;$(document).bind(documentListeners);if(typeof settings.onDragEnter===func){dropZoneListeners['dragenter.'+settings.namespace]=settings.onDragEnter;}
if(typeof settings.onDragLeave===func){dropZoneListeners['dragleave.'+settings.namespace]=settings.onDragLeave;}
dropZoneListeners['dragover.'+settings.namespace]=fileUpload.onDragOver;dropZoneListeners['drop.'+settings.namespace]=fileUpload.onDrop;settings.dropZone.bind(dropZoneListeners);fileInputListeners['change.'+settings.namespace]=fileUpload.onChange;fileInput.bind(fileInputListeners);},removeEventHandlers=function(){$.each(documentListeners,function(key,value){$(document).unbind(key,value);});$.each(dropZoneListeners,function(key,value){settings.dropZone.unbind(key,value);});$.each(fileInputListeners,function(key,value){fileInput.unbind(key,value);});},initUploadEventHandlers=function(files,index,xhr,settings){if(typeof settings.onProgress===func){xhr.upload.onprogress=function(e){settings.onProgress(e,files,index,xhr,settings);};}
if(typeof settings.onLoad===func){xhr.onload=function(e){settings.onLoad(e,files,index,xhr,settings);};}
if(typeof settings.onAbort===func){xhr.onabort=function(e){settings.onAbort(e,files,index,xhr,settings);};}
if(typeof settings.onError===func){xhr.onerror=function(e){settings.onError(e,files,index,xhr,settings);};}},getFormData=function(settings){if(typeof settings.formData===func){return settings.formData();}else if($.isArray(settings.formData)){return settings.formData;}else if(settings.formData){var formData=[];$.each(settings.formData,function(name,value){formData.push({name:name,value:value});});return formData;}
return[];},buildMultiPartFormData=function(boundary,file,fileContent,fields){var doubleDash='--',crlf='\r\n',formData='';$.each(fields,function(index,field){formData+=doubleDash+boundary+crlf+'Content-Disposition: form-data; name="'+
unescape(encodeURIComponent(field.name))+'"'+crlf+crlf+
unescape(encodeURIComponent(field.value))+crlf;});formData+=doubleDash+boundary+crlf+'Content-Disposition: form-data; name="'+
unescape(encodeURIComponent(settings.fieldName))+'"; filename="'+unescape(encodeURIComponent(file.name))+'"'+crlf+'Content-Type: '+file.type+crlf+crlf+
fileContent+crlf+
doubleDash+boundary+doubleDash+crlf;return formData;},isSameDomain=function(url){if(protocolRegExp.test(url)){var host=location.host,indexStart=location.protocol.length+2,index=url.indexOf(host,indexStart),pathIndex=index+host.length;if((index===indexStart||index===url.indexOf('@',indexStart)+1)&&(url.length===pathIndex||$.inArray(url.charAt(pathIndex),['/','?','#']))){return true;}
return false;}
return true;},uploadFile=function(files,index,xhr,settings){var sameDomain=isSameDomain(settings.url),file=files[index],formData,fileReader;initUploadEventHandlers(files,index,xhr,settings);xhr.open(settings.method,settings.url,true);if(sameDomain){xhr.setRequestHeader('X-Requested-With','XMLHttpRequest');}else if(settings.withCredentials){xhr.withCredentials=true;}
if(!settings.multipart){if(sameDomain){xhr.setRequestHeader('X-File-Name',unescape(encodeURIComponent(file.name)));}
xhr.setRequestHeader('Content-Type',file.type);xhr.send(file);}else{if(typeof FormData!==undef){formData=new FormData();$.each(getFormData(settings),function(index,field){formData.append(field.name,field.value);});formData.append(settings.fieldName,file);xhr.send(formData);}else if(typeof FileReader!==undef){fileReader=new FileReader();fileReader.onload=function(e){var fileContent=e.target.result,boundary='----MultiPartFormBoundary'+(new Date()).getTime();xhr.setRequestHeader('Content-Type','multipart/form-data; boundary='+boundary);xhr.sendAsBinary(buildMultiPartFormData(boundary,file,fileContent,getFormData(settings)));};fileReader.readAsBinaryString(file);}else{$.error('Browser does neither support FormData nor FileReader interface');}}},handleFile=function(event,files,index){var xhr=new XMLHttpRequest(),uploadSettings=$.extend({},settings);if(typeof settings.initUpload===func){settings.initUpload(event,files,index,xhr,uploadSettings,function(){uploadFile(files,index,xhr,uploadSettings);});}else{uploadFile(files,index,xhr,uploadSettings);}},handleFiles=function(event,files){var i;for(i=0;i<files.length;i+=1){handleFile(event,files,i);}},legacyUploadFormDataInit=function(input,settings){var formData=getFormData(settings);uploadForm.find(':input').not(':disabled').attr('disabled',true).addClass(settings.namespace+'_disabled');$.each(formData,function(index,field){uploadForm.append($('<input type="hidden"/>').attr('name',field.name).val(field.value).addClass(settings.namespace+'_form_data'));});input.insertAfter(fileInput);},legacyUploadFormDataReset=function(input,settings){input.remove();uploadForm.find('.'+settings.namespace+'_disabled').removeAttr('disabled').removeClass(settings.namespace+'_disabled');uploadForm.find('.'+settings.namespace+'_form_data').remove();},legacyUpload=function(input,iframe,settings){iframe.unbind('abort').bind('abort',function(e){iframe.readyState=0;iframe.unbind('load').attr('src','javascript'.concat(':false;'));if(typeof settings.onAbort===func){settings.onAbort(e,[{name:input.val(),type:null,size:null}],0,iframe,settings);}}).unbind('load').bind('load',function(e){iframe.readyState=4;if(typeof settings.onLoad===func){settings.onLoad(e,[{name:input.val(),type:null,size:null}],0,iframe,settings);}});uploadForm.attr('action',settings.url).attr('target',iframe.attr('name'));legacyUploadFormDataInit(input,settings);iframe.readyState=2;uploadForm.get(0).submit();legacyUploadFormDataReset(input,settings);},handleLegacyUpload=function(event,input){var iframe=$('<iframe src="javascript:false;" style="display:none" name="iframe_'+
settings.namespace+(new Date()).getTime()+'"></iframe>'),uploadSettings=$.extend({},settings);iframe.readyState=0;iframe.abort=function(){iframe.trigger('abort');};iframe.bind('load',function(){iframe.unbind('load');if(typeof settings.initUpload===func){settings.initUpload(event,[{name:input.val(),type:null,size:null}],0,iframe,uploadSettings,function(){legacyUpload(input,iframe,uploadSettings);});}else{legacyUpload(input,iframe,uploadSettings);}}).appendTo(uploadForm);},resetFileInput=function(){var inputClone=fileInput.clone(true);$('<form/>').append(inputClone).get(0).reset();fileInput.replaceWith(inputClone);fileInput=inputClone;};this.onDocumentDragOver=function(e){if(typeof settings.onDocumentDragOver===func&&settings.onDocumentDragOver(e)===false){return false;}
e.preventDefault();};this.onDocumentDrop=function(e){if(typeof settings.onDocumentDrop===func&&settings.onDocumentDrop(e)===false){return false;}
e.preventDefault();};this.onDragOver=function(e){if(typeof settings.onDragOver===func&&settings.onDragOver(e)===false){return false;}
var dataTransfer=e.originalEvent.dataTransfer;if(dataTransfer){dataTransfer.dropEffect=dataTransfer.effectAllowed='copy';}
e.preventDefault();};this.onDrop=function(e){if(typeof settings.onDrop===func&&settings.onDrop(e)===false){return false;}
var dataTransfer=e.originalEvent.dataTransfer;if(dataTransfer&&dataTransfer.files&&isXHRUploadCapable()){handleFiles(e,dataTransfer.files);}
e.preventDefault();};this.onChange=function(e){if(typeof settings.onChange===func&&settings.onChange(e)===false){return false;}
if(e.target.files&&isXHRUploadCapable()){handleFiles(e,e.target.files);}else{handleLegacyUpload(e,$(e.target));}
resetFileInput();};this.init=function(options){if(options){$.extend(settings,options);}
if(container.data(settings.namespace)){$.error('FileUpload with namespace "'+settings.namespace+'" already assigned to this element');return;}
container.data(settings.namespace,fileUpload).addClass(settings.cssClass);settings.dropZone.addClass(settings.cssClass);initEventHandlers();};this.destroy=function(){removeEventHandlers();container.removeData(settings.namespace).removeClass(settings.cssClass);settings.dropZone.removeClass(settings.cssClass);};},methods={init:function(options){return this.each(function(){(new FileUpload($(this))).init(options);});},destroy:function(namespace){return this.each(function(){namespace=namespace?namespace:'file_upload';var fileUpload=$(this).data(namespace);if(fileUpload){fileUpload.destroy();}else{$.error('No FileUpload with namespace "'+namespace+'" assigned to this element');}});}};$.fn.fileUpload=function(method){if(methods[method]){return methods[method].apply(this,Array.prototype.slice.call(arguments,1));}else if(typeof method==='object'||!method){return methods.init.apply(this,arguments);}else{$.error('Method '+method+' does not exist on jQuery.fileUpload');}};}(jQuery));