File fileuploader.js has 893 lines of code (exceeds 250 allowed). Consider refactoring.

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/**
 * http://github.com/valums/file-uploader
 * 
 * Multiple file upload component with progress-bar, drag-and-drop. 
 * © 2010 Andrew Valums ( andrew(at)valums.com ) 

Function obj2url has a Cognitive Complexity of 27 (exceeds 5 allowed). Consider refactoring.

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qq.obj2url = function(obj, temp, prefixDone){
    var uristrings = [],
        prefix = '&',
        add = function(nextObj, i){
            var nextTemp = temp 

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Function handleRemote has 46 lines of code (exceeds 25 allowed). Consider refactoring.

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    handleRemote: function(element) {
      var method, url, data,
        crossDomain = element.data('cross-domain') || null,
        dataType = element.data('type') || ($.ajaxSettings && $.ajaxSettings.dataType),
        options;

Function init has 41 lines of code (exceeds 25 allowed). Consider refactoring.

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        init: function(options, obj) {
            obj.options = $.extend({
                nextPage: ".pagination a[rel=next]",
                previousPage: ".pagination a[rel=previous]"
            }, options);

Function FileUploaderBasic has 39 lines of code (exceeds 25 allowed). Consider refactoring.

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qq.FileUploaderBasic = function(o){
    this._options = {
        // set to true to see the server response
        debug: false,
        action: '/server/upload',

Function _createInput has 38 lines of code (exceeds 25 allowed). Consider refactoring.

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    _createInput: function(){                
        var input = document.createElement("input");
        
        if (this._options.multiple){
            input.setAttribute("multiple", "multiple");

Function FileUploader has 37 lines of code (exceeds 25 allowed). Consider refactoring.

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qq.FileUploader = function(o){
    // call parent constructor
    qq.FileUploaderBasic.apply(this, arguments);
    
    // additional options    

Function obj2url has 36 lines of code (exceeds 25 allowed). Consider refactoring.

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qq.obj2url = function(obj, temp, prefixDone){
    var uristrings = [],
        prefix = '&',
        add = function(nextObj, i){
            var nextTemp = temp 

Function loadPage has 35 lines of code (exceeds 25 allowed). Consider refactoring.

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        loadPage: function(url, placement, callback) {
            //The hash with methods list
            //depends from placement
            var actions = {
                    top: {

Function _setupDragDrop has 32 lines of code (exceeds 25 allowed). Consider refactoring.

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    _setupDragDrop: function(){
        var self = this,
            dropArea = this._find(this._element, 'drop');

        var dz = new qq.UploadDropZone({

Function _setupDragDrop has 32 lines of code (exceeds 25 allowed). Consider refactoring.

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    _setupDragDrop: function(){
        var self = this,
            dropArea = this._find(this._element, 'drop');                        

        var dz = new qq.UploadDropZone({

Function _upload has 28 lines of code (exceeds 25 allowed). Consider refactoring.

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    _upload: function(id, params){
        var file = this._files[id],
            name = this.getName(id),
            size = this.getSize(id);
                

Function _attachEvents has 28 lines of code (exceeds 25 allowed). Consider refactoring.

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    _attachEvents: function(){
        var self = this;              
                  
        qq.attach(self._element, 'dragover', function(e){
            if (!self._isValidFileDrag(e)) return;

Function scrollHandler has 28 lines of code (exceeds 25 allowed). Consider refactoring.

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        scrollHandler: function(ev) {
            var $scrollable = this.scrollContainer,
                $entities = this.entities,
                $firstEntity = $entities.first(),
                $lastEntity = $entities.last();

Function _validateFile has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.

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    _validateFile: function(file){
        var name, size;
        
        if (file.value){
            // it is a file input            

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Function _createUploadHandler has 27 lines of code (exceeds 25 allowed). Consider refactoring.

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    _createUploadHandler: function(){
        var self = this,
            handlerClass;        
        
        if(qq.UploadHandlerXhr.isSupported()){           

Function editorConfig has 27 lines of code (exceeds 25 allowed). Consider refactoring.

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CKEDITOR.editorConfig = function( config )
{
  // Define changes to default configuration here. For example:
  // config.language = 'fr';
  // config.uiColor = '#AADC6E';

Function _validateFiles has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

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    _validateFiles: function(files){
        var uploadedCount = this._filesUploaded + files.length;
        
        if (this._options.maxFilesCount > 0) {
          if ( uploadedCount > this._options.maxFilesCount) { 

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Function indexOf has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

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qq.indexOf = function(arr, elt, from){
    if (arr.indexOf) return arr.indexOf(elt, from);
    
    from = from || 0;
    var len = arr.length;    

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Avoid too many return statements within this function.

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      return false;