(function($){'use strict';$.widget('blueimp.fileupload',{options:{namespace:undefined,dropZone:$(document),fileInput:undefined,replaceFileInput:true,paramName:undefined,singleFileUploads:true,sequentialUploads:false,forceIframeTransport:false,multipart:true,maxChunkSize:undefined,uploadedBytes:undefined,recalculateProgress:true,formData:function(form){return form.serializeArray()},add:function(e,data){data.submit()},processData:false,contentType:false,cache:false},_refreshOptionsList:['namespace','dropZone','fileInput'],_isXHRUpload:function(options){var undef='undefined';return!options.forceIframeTransport&&typeof XMLHttpRequestUpload!==undef&&typeof File!==undef&&(!options.multipart||typeof FormData!==undef)},_getFormData:function(options){var formData;if(typeof options.formData==='function'){return options.formData(options.form)}else if($.isArray(options.formData)){return options.formData}else if(options.formData){formData=[];$.each(options.formData,function(name,value){formData.push({name:name,value:value})});return formData}return[]},_getTotal:function(files){var total=0;$.each(files,function(index,file){total+=file.size||1});return total},_onProgress:function(e,data){if(e.lengthComputable){var total=data.total||this._getTotal(data.files),loaded=parseInt(e.loaded/e.total*(data.chunkSize||total),10)+(data.uploadedBytes||0);this._loaded+=loaded-(data.loaded||data.uploadedBytes||0);data.lengthComputable=true;data.loaded=loaded;data.total=total;this._trigger('progress',e,data);this._trigger('progressall',e,{lengthComputable:true,loaded:this._loaded,total:this._total})}},_initProgressListener:function(options){var that=this,xhr=options.xhr?options.xhr():$.ajaxSettings.xhr();if(xhr.upload&&xhr.upload.addEventListener){xhr.upload.addEventListener('progress',function(e){that._onProgress(e,options)},false);options.xhr=function(){return xhr}}},_initXHRData:function(options){var formData,file=options.files[0];if(!options.multipart||options.blob){options.headers=$.extend(options.headers,{'X-File-Name':file.name,'X-File-Type':file.type,'X-File-Size':file.size});if(!options.blob){options.contentType=file.type;options.data=file}else if(!options.multipart){options.contentType='application/octet-stream';options.data=options.blob}}if(options.multipart){if(options.formData instanceof FormData){formData=options.formData}else{formData=new FormData();$.each(this._getFormData(options),function(index,field){formData.append(field.name,field.value)})}if(options.blob){formData.append(options.paramName,options.blob)}else{$.each(options.files,function(index,file){if(file instanceof Blob){formData.append(options.paramName,file)}})}options.data=formData}options.blob=null},_initIframeSettings:function(options){options.dataType='iframe '+(options.dataType||'');options.formData=this._getFormData(options)},_initDataSettings:function(options){if(this._isXHRUpload(options)){if(!this._chunkedUpload(options,true)){if(!options.data){this._initXHRData(options)}this._initProgressListener(options)}}else{this._initIframeSettings(options)}},_initFormSettings:function(options){if(!options.form||!options.form.length){options.form=$(options.fileInput.prop('form'))}if(!options.paramName){options.paramName=options.fileInput.prop('name')||'files[]'}if(!options.url){options.url=options.form.prop('action')||location.href}options.type=(options.type||options.form.prop('method')||'').toUpperCase();if(options.type!=='POST'&&options.type!=='PUT'){options.type='POST'}},_getAJAXSettings:function(data){var options=$.extend({},this.options,data);this._initFormSettings(options);this._initDataSettings(options);return options},_enhancePromise:function(promise){promise.success=promise.done;promise.error=promise.fail;promise.complete=promise.always;return promise},_getXHRPromise:function(resolveOrReject,context){var dfd=$.Deferred(),promise=dfd.promise();context=context||this.options.context||promise;if(resolveOrReject===true){dfd.resolveWith(context)}else if(resolveOrReject===false){dfd.rejectWith(context)}promise.abort=dfd.promise;return this._enhancePromise(promise)},_chunkedUpload:function(options,testOnly){var that=this,file=options.files[0],fs=file.size,ub=options.uploadedBytes=options.uploadedBytes||0,mcs=options.maxChunkSize||fs,slice=file.webkitSlice||file.mozSlice||file.slice,upload,n,jqXHR,pipe;if(!(this._isXHRUpload(options)&&slice&&(ub||mcs<fs))||options.data){return false}if(testOnly){return true}if(ub>=fs){file.error='uploadedBytes';return this._getXHRPromise(false)}n=Math.ceil((fs-ub)/mcs);upload=function(i){if(!i){return that._getXHRPromise(true)}return upload(i-=1).pipe(function(){var o=$.extend({},options);o.blob=slice.call(file,ub+i*mcs,ub+(i+1)*mcs);o.chunkSize=o.blob.size;that._initXHRData(o);that._initProgressListener(o);jqXHR=($.ajax(o)||that._getXHRPromise(false,o.context)).done(function(){if(!o.loaded){that._onProgress($.Event('progress',{lengthComputable:true,loaded:o.chunkSize,total:o.chunkSize}),o)}options.uploadedBytes=o.uploadedBytes+=o.chunkSize});return jqXHR})};pipe=upload(n);pipe.abort=function(){return jqXHR.abort()};return this._enhancePromise(pipe)},_beforeSend:function(e,data){if(this._active===0){this._trigger('start')}this._active+=1;this._loaded+=data.uploadedBytes||0;this._total+=this._getTotal(data.files)},_onDone:function(result,textStatus,jqXHR,options){if(!this._isXHRUpload(options)){this._onProgress($.Event('progress',{lengthComputable:true,loaded:1,total:1}),options)}options.result=result;options.textStatus=textStatus;options.jqXHR=jqXHR;this._trigger('done',null,options)},_onFail:function(jqXHR,textStatus,errorThrown,options){options.jqXHR=jqXHR;options.textStatus=textStatus;options.errorThrown=errorThrown;this._trigger('fail',null,options);if(options.recalculateProgress){this._loaded-=options.loaded||options.uploadedBytes||0;this._total-=options.total||this._getTotal(options.files)}},_onAlways:function(result,textStatus,jqXHR,options){this._active-=1;options.result=result;options.textStatus=textStatus;options.jqXHR=jqXHR;this._trigger('always',null,options);if(this._active===0){this._trigger('stop');this._loaded=this._total=0}},_onSend:function(e,data){var that=this,jqXHR,pipe,options=that._getAJAXSettings(data),send=function(){jqXHR=((that._trigger('send',e,options)!==false&&(that._chunkedUpload(options)||$.ajax(options)))||that._getXHRPromise(false,options.context)).done(function(result,textStatus,jqXHR){that._onDone(result,textStatus,jqXHR,options)}).fail(function(jqXHR,textStatus,errorThrown){that._onFail(jqXHR,textStatus,errorThrown,options)}).always(function(result,textStatus,jqXHR){that._onAlways(result,textStatus,jqXHR,options)});return jqXHR};this._beforeSend(e,options);if(this.options.sequentialUploads){pipe=(this._sequence=this._sequence.pipe(send,send));pipe.abort=function(){return jqXHR.abort()};return this._enhancePromise(pipe)}return send()},_onAdd:function(e,data){var that=this,result=true,options=$.extend({},this.options,data);if(options.singleFileUploads&&this._isXHRUpload(options)){$.each(data.files,function(index,file){var newData=$.extend({},data,{files:[file]});newData.submit=function(){return that._onSend(e,newData)};return(result=that._trigger('add',e,newData))});return result}else if(data.files.length){data=$.extend({},data);data.submit=function(){return that._onSend(e,data)};return this._trigger('add',e,data)}},_normalizeFile:function(index,file){if(file.name===undefined&&file.size===undefined){file.name=file.fileName;file.size=file.fileSize}},_replaceFileInput:function(input){var inputClone=input.clone(true);$('<form></form>').append(inputClone)[0].reset();input.after(inputClone).detach();this.options.fileInput=this.options.fileInput.map(function(i,el){if(el===input[0]){return inputClone[0]}return el})},_onChange:function(e){var that=e.data.fileupload,data={files:$.each($.makeArray(e.target.files),that._normalizeFile),fileInput:$(e.target),form:$(e.target.form)};if(!data.files.length){data.files=[{name:e.target.value.replace(/^.*\\/,'')}]}if(data.form.length){data.fileInput.data('blueimp.fileupload.form',data.form)}else{data.form=data.fileInput.data('blueimp.fileupload.form')}if(that.options.replaceFileInput){that._replaceFileInput(data.fileInput)}if(that._trigger('change',e,data)===false||that._onAdd(e,data)===false){return false}},_onDrop:function(e){var that=e.data.fileupload,dataTransfer=e.dataTransfer=e.originalEvent.dataTransfer,data={files:$.each($.makeArray(dataTransfer.files),that._normalizeFile)};if(that._trigger('drop',e,data)===false||that._onAdd(e,data)===false){return false}e.preventDefault()},_onDragOver:function(e){var that=e.data.fileupload,dataTransfer=e.dataTransfer=e.originalEvent.dataTransfer;if(that._trigger('dragover',e)===false){return false}dataTransfer.dropEffect=dataTransfer.effectAllowed='copy';e.preventDefault()},_initEventHandlers:function(){var ns=this.options.namespace||this.name;this.options.dropZone.bind('dragover.'+ns,{fileupload:this},this._onDragOver).bind('drop.'+ns,{fileupload:this},this._onDrop);this.options.fileInput.bind('change.'+ns,{fileupload:this},this._onChange)},_destroyEventHandlers:function(){var ns=this.options.namespace||this.name;this.options.dropZone.unbind('dragover.'+ns,this._onDragOver).unbind('drop.'+ns,this._onDrop);this.options.fileInput.unbind('change.'+ns,this._onChange)},_beforeSetOption:function(key,value){this._destroyEventHandlers()},_afterSetOption:function(key,value){var options=this.options;if(!options.fileInput){options.fileInput=$()}if(!options.dropZone){options.dropZone=$()}this._initEventHandlers()},_setOption:function(key,value){var refresh=$.inArray(key,this._refreshOptionsList)!==-1;if(refresh){this._beforeSetOption(key,value)}$.Widget.prototype._setOption.call(this,key,value);if(refresh){this._afterSetOption(key,value)}},_create:function(){var options=this.options;if(options.fileInput===undefined){options.fileInput=this.element.is('input:file')?this.element:this.element.find('input:file')}else if(!options.fileInput){options.fileInput=$()}if(!options.dropZone){options.dropZone=$()}this._sequence=this._getXHRPromise(true);this._active=this._loaded=this._total=0;this._initEventHandlers()},destroy:function(){this._destroyEventHandlers();$.Widget.prototype.destroy.call(this)},enable:function(){$.Widget.prototype.enable.call(this);this._initEventHandlers()},disable:function(){this._destroyEventHandlers();$.Widget.prototype.disable.call(this)},add:function(data){if(!data||this.options.disabled){return}data.files=$.each($.makeArray(data.files),this._normalizeFile);this._onAdd(null,data)},send:function(data){if(data&&!this.options.disabled){data.files=$.each($.makeArray(data.files),this._normalizeFile);if(data.files.length){return this._onSend(null,data)}}return this._getXHRPromise(false,data&&data.context)}})}(jQuery));