From 2bd7f83a6495011ada78ca8a9f2af417caf01760 Mon Sep 17 00:00:00 2001
From: ahriman <ahriman@falte.red>
Date: Wed, 2 Jan 2019 04:57:35 +0000
Subject: removed dokuwiki

---
 wiki/lib/scripts/fileuploader.js | 1249 --------------------------------------
 1 file changed, 1249 deletions(-)
 delete mode 100644 wiki/lib/scripts/fileuploader.js

(limited to 'wiki/lib/scripts/fileuploader.js')

diff --git a/wiki/lib/scripts/fileuploader.js b/wiki/lib/scripts/fileuploader.js
deleted file mode 100644
index d627895..0000000
--- a/wiki/lib/scripts/fileuploader.js
+++ /dev/null
@@ -1,1249 +0,0 @@
-/**
- * http://github.com/valums/file-uploader
- *
- * Multiple file upload component with progress-bar, drag-and-drop.
- * © 2010 Andrew Valums ( andrew(at)valums.com )
- *
- * Licensed under GNU GPL 2 or later and GNU LGPL 2 or later, see license.txt.
- */
-
-//
-// Helper functions
-//
-
-var qq = qq || {};
-
-/**
- * Adds all missing properties from second obj to first obj
- */
-qq.extend = function(first, second){
-    for (var prop in second){
-        first[prop] = second[prop];
-    }
-};
-
-/**
- * Searches for a given element in the array, returns -1 if it is not present.
- * @param {Number} [from] The index at which to begin the search
- */
-qq.indexOf = function(arr, elt, from){
-    if (arr.indexOf) return arr.indexOf(elt, from);
-
-    from = from || 0;
-    var len = arr.length;
-
-    if (from < 0) from += len;
-
-    for (; from < len; from++){
-        if (from in arr && arr[from] === elt){
-            return from;
-        }
-    }
-    return -1;
-};
-
-qq.getUniqueId = (function(){
-    var id = 0;
-    return function(){ return id++; };
-})();
-
-//
-// Events
-
-qq.attach = function(element, type, fn){
-    if (element.addEventListener){
-        element.addEventListener(type, fn, false);
-    } else if (element.attachEvent){
-        element.attachEvent('on' + type, fn);
-    }
-};
-qq.detach = function(element, type, fn){
-    if (element.removeEventListener){
-        element.removeEventListener(type, fn, false);
-    } else if (element.attachEvent){
-        element.detachEvent('on' + type, fn);
-    }
-};
-
-qq.preventDefault = function(e){
-    if (e.preventDefault){
-        e.preventDefault();
-    } else{
-        e.returnValue = false;
-    }
-};
-
-//
-// Node manipulations
-
-/**
- * Insert node a before node b.
- */
-qq.insertBefore = function(a, b){
-    b.parentNode.insertBefore(a, b);
-};
-qq.remove = function(element){
-    element.parentNode.removeChild(element);
-};
-
-qq.contains = function(parent, descendant){
-    // compareposition returns false in this case
-    if (parent == descendant) return true;
-
-    if (parent.contains){
-        return parent.contains(descendant);
-    } else {
-        return !!(descendant.compareDocumentPosition(parent) & 8);
-    }
-};
-
-/**
- * Creates and returns element from html string
- * Uses innerHTML to create an element
- */
-qq.toElement = (function(){
-    var div = document.createElement('div');
-    return function(html){
-        div.innerHTML = html;
-        var element = div.firstChild;
-        div.removeChild(element);
-        return element;
-    };
-})();
-
-//
-// Node properties and attributes
-
-/**
- * Sets styles for an element.
- * Fixes opacity in IE6-8.
- */
-qq.css = function(element, styles){
-    if (styles.opacity != null){
-        if (typeof element.style.opacity != 'string' && typeof(element.filters) != 'undefined'){
-            styles.filter = 'alpha(opacity=' + Math.round(100 * styles.opacity) + ')';
-        }
-    }
-    qq.extend(element.style, styles);
-};
-qq.hasClass = function(element, name){
-    var re = new RegExp('(^| )' + name + '( |$)');
-    return re.test(element.className);
-};
-qq.addClass = function(element, name){
-    if (!qq.hasClass(element, name)){
-        element.className += ' ' + name;
-    }
-};
-qq.removeClass = function(element, name){
-    var re = new RegExp('(^| )' + name + '( |$)');
-    element.className = element.className.replace(re, ' ').replace(/^\s+|\s+$/g, "");
-};
-qq.setText = function(element, text){
-    element.innerText = text;
-    element.textContent = text;
-};
-
-//
-// Selecting elements
-
-qq.children = function(element){
-    var children = [],
-    child = element.firstChild;
-
-    while (child){
-        if (child.nodeType == 1){
-            children.push(child);
-        }
-        child = child.nextSibling;
-    }
-
-    return children;
-};
-
-qq.getByClass = function(element, className){
-    if (element.querySelectorAll){
-        return element.querySelectorAll('.' + className);
-    }
-
-    var result = [];
-    var candidates = element.getElementsByTagName("*");
-    var len = candidates.length;
-
-    for (var i = 0; i < len; i++){
-        if (qq.hasClass(candidates[i], className)){
-            result.push(candidates[i]);
-        }
-    }
-    return result;
-};
-
-/**
- * obj2url() takes a json-object as argument and generates
- * a querystring. pretty much like jQuery.param()
- *
- * how to use:
- *
- *    `qq.obj2url({a:'b',c:'d'},'http://any.url/upload?otherParam=value');`
- *
- * will result in:
- *
- *    `http://any.url/upload?otherParam=value&a=b&c=d`
- *
- * @param  Object JSON-Object
- * @param  String current querystring-part
- * @return String encoded querystring
- */
-qq.obj2url = function(obj, temp, prefixDone){
-    var uristrings = [],
-        prefix = '&',
-        add = function(nextObj, i){
-            var nextTemp = temp
-                ? (/\[\]$/.test(temp)) // prevent double-encoding
-                   ? temp
-                   : temp+'['+i+']'
-                : i;
-            if ((nextTemp != 'undefined') && (i != 'undefined')) {
-                uristrings.push(
-                    (typeof nextObj === 'object')
-                        ? qq.obj2url(nextObj, nextTemp, true)
-                        : (Object.prototype.toString.call(nextObj) === '[object Function]')
-                            ? encodeURIComponent(nextTemp) + '=' + encodeURIComponent(nextObj())
-                            : encodeURIComponent(nextTemp) + '=' + encodeURIComponent(nextObj)
-                );
-            }
-        };
-
-    if (!prefixDone && temp) {
-      prefix = (/\?/.test(temp)) ? (/\?$/.test(temp)) ? '' : '&' : '?';
-      uristrings.push(temp);
-      uristrings.push(qq.obj2url(obj));
-    } else if ((Object.prototype.toString.call(obj) === '[object Array]') && (typeof obj != 'undefined') ) {
-        // we wont use a for-in-loop on an array (performance)
-        for (var i = 0, len = obj.length; i < len; ++i){
-            add(obj[i], i);
-        }
-    } else if ((typeof obj != 'undefined') && (obj !== null) && (typeof obj === "object")){
-        // for anything else but a scalar, we will use for-in-loop
-        for (var i in obj){
-            if(obj.hasOwnProperty(i) && typeof obj[i] != 'function') {
-                add(obj[i], i);
-            }
-        }
-    } else {
-        uristrings.push(encodeURIComponent(temp) + '=' + encodeURIComponent(obj));
-    }
-
-    return uristrings.join(prefix)
-                     .replace(/^&/, '')
-                     .replace(/%20/g, '+');
-};
-
-//
-//
-// Uploader Classes
-//
-//
-
-var qq = qq || {};
-
-/**
- * Creates upload button, validates upload, but doesn't create file list or dd.
- */
-qq.FileUploaderBasic = function(o){
-    this._options = {
-        // set to true to see the server response
-        debug: false,
-        action: '/server/upload',
-        params: {},
-        button: null,
-        multiple: true,
-        maxConnections: 3,
-        // validation
-        allowedExtensions: [],
-        sizeLimit: 0,
-        minSizeLimit: 0,
-        // events
-        // return false to cancel submit
-        onSubmit: function(id, fileName){},
-        onProgress: function(id, fileName, loaded, total){},
-        onComplete: function(id, fileName, responseJSON){},
-        onCancel: function(id, fileName){},
-        // messages
-        messages: {
-            typeError: "{file} has invalid extension. Only {extensions} are allowed.",
-            sizeError: "{file} is too large, maximum file size is {sizeLimit}.",
-            minSizeError: "{file} is too small, minimum file size is {minSizeLimit}.",
-            emptyError: "{file} is empty, please select files again without it.",
-            onLeave: "The files are being uploaded, if you leave now the upload will be cancelled."
-        },
-        showMessage: function(message){
-            alert(message);
-        }
-    };
-    qq.extend(this._options, o);
-
-    // number of files being uploaded
-    this._filesInProgress = 0;
-    this._handler = this._createUploadHandler();
-
-    if (this._options.button){
-        this._button = this._createUploadButton(this._options.button);
-    }
-
-    this._preventLeaveInProgress();
-};
-
-qq.FileUploaderBasic.prototype = {
-    setParams: function(params){
-        this._options.params = params;
-    },
-    getInProgress: function(){
-        return this._filesInProgress;
-    },
-    _createUploadButton: function(element){
-        var self = this;
-
-        return new qq.UploadButton({
-            element: element,
-            multiple: this._options.multiple && qq.UploadHandlerXhr.isSupported(),
-            onChange: function(input){
-                self._onInputChange(input);
-            }
-        });
-    },
-    _createUploadHandler: function(){
-        var self = this,
-            handlerClass;
-
-        if(qq.UploadHandlerXhr.isSupported()){
-            handlerClass = 'UploadHandlerXhr';
-        } else {
-            handlerClass = 'UploadHandlerForm';
-        }
-
-        var handler = new qq[handlerClass]({
-            debug: this._options.debug,
-            action: this._options.action,
-            maxConnections: this._options.maxConnections,
-            onProgress: function(id, fileName, loaded, total){
-                self._onProgress(id, fileName, loaded, total);
-                self._options.onProgress(id, fileName, loaded, total);
-            },
-            onComplete: function(id, fileName, result){
-                self._onComplete(id, fileName, result);
-                self._options.onComplete(id, fileName, result);
-            },
-            onCancel: function(id, fileName){
-                self._onCancel(id, fileName);
-                self._options.onCancel(id, fileName);
-            }
-        });
-
-        return handler;
-    },
-    _preventLeaveInProgress: function(){
-        var self = this;
-
-        qq.attach(window, 'beforeunload', function(e){
-            if (!self._filesInProgress){return;}
-
-            var e = e || window.event;
-            // for ie, ff
-            e.returnValue = self._options.messages.onLeave;
-            // for webkit
-            return self._options.messages.onLeave;
-        });
-    },
-    _onSubmit: function(id, fileName){
-        this._filesInProgress++;
-    },
-    _onProgress: function(id, fileName, loaded, total){
-    },
-    _onComplete: function(id, fileName, result){
-        this._filesInProgress--;
-        if (result.error){
-            this._options.showMessage(result.error);
-        }
-    },
-    _onCancel: function(id, fileName){
-        this._filesInProgress--;
-    },
-    _onInputChange: function(input){
-        if (this._handler instanceof qq.UploadHandlerXhr){
-            this._uploadFileList(input.files);
-        } else {
-            if (this._validateFile(input)){
-                this._uploadFile(input);
-            }
-        }
-        this._button.reset();
-    },
-    _uploadFileList: function(files){
-        for (var i=0; i<files.length; i++){
-            if ( !this._validateFile(files[i])){
-                return;
-            }
-        }
-
-        for (var i=0; i<files.length; i++){
-            this._uploadFile(files[i]);
-        }
-    },
-    _uploadFile: function(fileContainer){
-        var id = this._handler.add(fileContainer);
-        var fileName = this._handler.getName(id);
-
-        if (this._options.onSubmit(id, fileName) !== false){
-            this._onSubmit(id, fileName);
-            this._handler.upload(id, this._options.params);
-        }
-    },
-    _validateFile: function(file){
-        var name, size;
-
-        if (file.value){
-            // it is a file input
-            // get input value and remove path to normalize
-            name = file.value.replace(/.*(\/|\\)/, "");
-        } else {
-            // fix missing properties in Safari
-            name = file.fileName != null ? file.fileName : file.name;
-            size = file.fileSize != null ? file.fileSize : file.size;
-        }
-
-        if (! this._isAllowedExtension(name)){
-            this._error('typeError', name);
-            return false;
-
-        } else if (size === 0){
-            this._error('emptyError', name);
-            return false;
-
-        } else if (size && this._options.sizeLimit && size > this._options.sizeLimit){
-            this._error('sizeError', name);
-            return false;
-
-        } else if (size && size < this._options.minSizeLimit){
-            this._error('minSizeError', name);
-            return false;
-        }
-
-        return true;
-    },
-    _error: function(code, fileName){
-        var message = this._options.messages[code];
-        function r(name, replacement){ message = message.replace(name, replacement); }
-
-        r('{file}', this._formatFileName(fileName));
-        r('{extensions}', this._options.allowedExtensions.join(', '));
-        r('{sizeLimit}', this._formatSize(this._options.sizeLimit));
-        r('{minSizeLimit}', this._formatSize(this._options.minSizeLimit));
-
-        this._options.showMessage(message);
-    },
-    _formatFileName: function(name){
-        if (name.length > 33){
-            name = name.slice(0, 19) + '...' + name.slice(-13);
-        }
-        return name;
-    },
-    _isAllowedExtension: function(fileName){
-        var ext = (-1 !== fileName.indexOf('.')) ? fileName.replace(/.*[.]/, '').toLowerCase() : '';
-        var allowed = this._options.allowedExtensions;
-
-        if (!allowed.length){return true;}
-
-        for (var i=0; i<allowed.length; i++){
-            if (allowed[i].toLowerCase() == ext){ return true;}
-        }
-
-        return false;
-    },
-    _formatSize: function(bytes){
-        var i = -1;
-        do {
-            bytes = bytes / 1024;
-            i++;
-        } while (bytes > 99);
-
-        return Math.max(bytes, 0.1).toFixed(1) + ['kB', 'MB', 'GB', 'TB', 'PB', 'EB'][i];
-    }
-};
-
-
-/**
- * Class that creates upload widget with drag-and-drop and file list
- * @inherits qq.FileUploaderBasic
- */
-qq.FileUploader = function(o){
-    // call parent constructor
-    qq.FileUploaderBasic.apply(this, arguments);
-
-    // additional options
-    qq.extend(this._options, {
-        element: null,
-        // if set, will be used instead of qq-upload-list in template
-        listElement: null,
-
-        template: '<div class="qq-uploader">' +
-                '<div class="qq-upload-drop-area"><span>Drop files here to upload</span></div>' +
-                '<div class="qq-upload-button">Upload a file</div>' +
-                '<ul class="qq-upload-list"></ul>' +
-             '</div>',
-
-        // template for one item in file list
-        fileTemplate: '<li>' +
-                '<span class="qq-upload-file"></span>' +
-                '<span class="qq-upload-spinner"></span>' +
-                '<span class="qq-upload-size"></span>' +
-                '<a class="qq-upload-cancel" href="#">Cancel</a>' +
-                '<span class="qq-upload-failed-text">Failed</span>' +
-            '</li>',
-
-        classes: {
-            // used to get elements from templates
-            button: 'qq-upload-button',
-            drop: 'qq-upload-drop-area',
-            dropActive: 'qq-upload-drop-area-active',
-            list: 'qq-upload-list',
-
-            file: 'qq-upload-file',
-            spinner: 'qq-upload-spinner',
-            size: 'qq-upload-size',
-            cancel: 'qq-upload-cancel',
-
-            // added to list item when upload completes
-            // used in css to hide progress spinner
-            success: 'qq-upload-success',
-            fail: 'qq-upload-fail'
-        }
-    });
-    // overwrite options with user supplied
-    qq.extend(this._options, o);
-
-    this._element = this._options.element;
-    this._element.innerHTML = this._options.template;
-    this._listElement = this._options.listElement || this._find(this._element, 'list');
-
-    this._classes = this._options.classes;
-
-    this._button = this._createUploadButton(this._find(this._element, 'button'));
-
-    this._bindCancelEvent();
-    this._setupDragDrop();
-};
-
-// inherit from Basic Uploader
-qq.extend(qq.FileUploader.prototype, qq.FileUploaderBasic.prototype);
-
-qq.extend(qq.FileUploader.prototype, {
-    /**
-     * Gets one of the elements listed in this._options.classes
-     **/
-    _find: function(parent, type){
-        var element = qq.getByClass(parent, this._options.classes[type])[0];
-        if (!element){
-            throw new Error('element not found ' + type);
-        }
-
-        return element;
-    },
-    _setupDragDrop: function(){
-        var self = this,
-            dropArea = this._find(this._element, 'drop');
-
-        var dz = new qq.UploadDropZone({
-            element: dropArea,
-            onEnter: function(e){
-                qq.addClass(dropArea, self._classes.dropActive);
-                e.stopPropagation();
-            },
-            onLeave: function(e){
-                e.stopPropagation();
-            },
-            onLeaveNotDescendants: function(e){
-                qq.removeClass(dropArea, self._classes.dropActive);
-            },
-            onDrop: function(e){
-                dropArea.style.display = 'none';
-                qq.removeClass(dropArea, self._classes.dropActive);
-                self._uploadFileList(e.dataTransfer.files);
-            }
-        });
-
-        dropArea.style.display = 'none';
-
-        qq.attach(document, 'dragenter', function(e){
-            if (!dz._isValidFileDrag(e)) return;
-
-            dropArea.style.display = 'block';
-        });
-        qq.attach(document, 'dragleave', function(e){
-            if (!dz._isValidFileDrag(e)) return;
-
-            var relatedTarget = document.elementFromPoint(e.clientX, e.clientY);
-            // only fire when leaving document out
-            if ( ! relatedTarget || relatedTarget.nodeName == "HTML"){
-                dropArea.style.display = 'none';
-            }
-        });
-    },
-    _onSubmit: function(id, fileName){
-        qq.FileUploaderBasic.prototype._onSubmit.apply(this, arguments);
-        this._addToList(id, fileName);
-    },
-    _onProgress: function(id, fileName, loaded, total){
-        qq.FileUploaderBasic.prototype._onProgress.apply(this, arguments);
-
-        var item = this._getItemByFileId(id);
-        var size = this._find(item, 'size');
-        size.style.display = 'inline';
-
-        var text;
-        if (loaded != total){
-            text = Math.round(loaded / total * 100) + '% from ' + this._formatSize(total);
-        } else {
-            text = this._formatSize(total);
-        }
-
-        qq.setText(size, text);
-    },
-    _onComplete: function(id, fileName, result){
-        qq.FileUploaderBasic.prototype._onComplete.apply(this, arguments);
-
-        // mark completed
-        var item = this._getItemByFileId(id);
-        qq.remove(this._find(item, 'cancel'));
-        qq.remove(this._find(item, 'spinner'));
-
-        if (result.success){
-            qq.addClass(item, this._classes.success);
-        } else {
-            qq.addClass(item, this._classes.fail);
-        }
-    },
-    _addToList: function(id, fileName){
-        var item = qq.toElement(this._options.fileTemplate);
-        item.qqFileId = id;
-
-        var fileElement = this._find(item, 'file');
-        qq.setText(fileElement, this._formatFileName(fileName));
-        this._find(item, 'size').style.display = 'none';
-
-        this._listElement.appendChild(item);
-    },
-    _getItemByFileId: function(id){
-        var item = this._listElement.firstChild;
-
-        // there can't be txt nodes in dynamically created list
-        // and we can  use nextSibling
-        while (item){
-            if (item.qqFileId == id) return item;
-            item = item.nextSibling;
-        }
-    },
-    /**
-     * delegate click event for cancel link
-     **/
-    _bindCancelEvent: function(){
-        var self = this,
-            list = this._listElement;
-
-        qq.attach(list, 'click', function(e){
-            e = e || window.event;
-            var target = e.target || e.srcElement;
-
-            if (qq.hasClass(target, self._classes.cancel)){
-                qq.preventDefault(e);
-
-                var item = target.parentNode;
-                self._handler.cancel(item.qqFileId);
-                qq.remove(item);
-            }
-        });
-    }
-});
-
-qq.UploadDropZone = function(o){
-    this._options = {
-        element: null,
-        onEnter: function(e){},
-        onLeave: function(e){},
-        // is not fired when leaving element by hovering descendants
-        onLeaveNotDescendants: function(e){},
-        onDrop: function(e){}
-    };
-    qq.extend(this._options, o);
-
-    this._element = this._options.element;
-
-    this._disableDropOutside();
-    this._attachEvents();
-};
-
-qq.UploadDropZone.prototype = {
-    _disableDropOutside: function(e){
-        // run only once for all instances
-        if (!qq.UploadDropZone.dropOutsideDisabled ){
-
-            qq.attach(document, 'dragover', function(e){
-                if (e.dataTransfer){
-                    e.dataTransfer.dropEffect = 'none';
-                    e.preventDefault();
-                }
-            });
-
-            qq.UploadDropZone.dropOutsideDisabled = true;
-        }
-    },
-    _attachEvents: function(){
-        var self = this;
-
-        qq.attach(self._element, 'dragover', function(e){
-            if (!self._isValidFileDrag(e)) return;
-
-            var effect = e.dataTransfer.effectAllowed;
-            if (effect == 'move' || effect == 'linkMove'){
-                e.dataTransfer.dropEffect = 'move'; // for FF (only move allowed)
-            } else {
-                e.dataTransfer.dropEffect = 'copy'; // for Chrome
-            }
-
-            e.stopPropagation();
-            e.preventDefault();
-        });
-
-        qq.attach(self._element, 'dragenter', function(e){
-            if (!self._isValidFileDrag(e)) return;
-
-            self._options.onEnter(e);
-        });
-
-        qq.attach(self._element, 'dragleave', function(e){
-            if (!self._isValidFileDrag(e)) return;
-
-            self._options.onLeave(e);
-
-            var relatedTarget = document.elementFromPoint(e.clientX, e.clientY);
-            // do not fire when moving a mouse over a descendant
-            if (qq.contains(this, relatedTarget)) return;
-
-            self._options.onLeaveNotDescendants(e);
-        });
-
-        qq.attach(self._element, 'drop', function(e){
-            if (!self._isValidFileDrag(e)) return;
-
-            e.preventDefault();
-            self._options.onDrop(e);
-        });
-    },
-    _isValidFileDrag: function(e){
-        var dt = e.dataTransfer,
-            // do not check dt.types.contains in webkit, because it crashes safari 4
-            isWebkit = navigator.userAgent.indexOf("AppleWebKit") > -1;
-
-        // dt.effectAllowed is none in Safari 5
-        // dt.types.contains check is for firefox
-        return dt && dt.effectAllowed != 'none' &&
-            (dt.files || (!isWebkit && dt.types.contains && dt.types.contains('Files')));
-
-    }
-};
-
-qq.UploadButton = function(o){
-    this._options = {
-        element: null,
-        // if set to true adds multiple attribute to file input
-        multiple: false,
-        // name attribute of file input
-        name: 'file',
-        onChange: function(input){},
-        hoverClass: 'qq-upload-button-hover',
-        focusClass: 'qq-upload-button-focus'
-    };
-
-    qq.extend(this._options, o);
-
-    this._element = this._options.element;
-
-    // make button suitable container for input
-    qq.css(this._element, {
-        position: 'relative',
-        overflow: 'hidden',
-        // Make sure browse button is in the right side
-        // in Internet Explorer
-        direction: 'ltr'
-    });
-
-    this._input = this._createInput();
-};
-
-qq.UploadButton.prototype = {
-    /* returns file input element */
-    getInput: function(){
-        return this._input;
-    },
-    /* cleans/recreates the file input */
-    reset: function(){
-        if (this._input.parentNode){
-            qq.remove(this._input);
-        }
-
-        qq.removeClass(this._element, this._options.focusClass);
-        this._input = this._createInput();
-    },
-    _createInput: function(){
-        var input = document.createElement("input");
-
-        if (this._options.multiple){
-            input.setAttribute("multiple", "multiple");
-        }
-
-        input.setAttribute("type", "file");
-        input.setAttribute("name", this._options.name);
-
-        qq.css(input, {
-            position: 'absolute',
-            // in Opera only 'browse' button
-            // is clickable and it is located at
-            // the right side of the input
-            right: 0,
-            top: 0,
-            fontFamily: 'Arial',
-            // 4 persons reported this, the max values that worked for them were 243, 236, 236, 118
-            fontSize: '118px',
-            margin: 0,
-            padding: 0,
-            cursor: 'pointer',
-            opacity: 0
-        });
-
-        this._element.appendChild(input);
-
-        var self = this;
-        qq.attach(input, 'change', function(){
-            self._options.onChange(input);
-        });
-
-        qq.attach(input, 'mouseover', function(){
-            qq.addClass(self._element, self._options.hoverClass);
-        });
-        qq.attach(input, 'mouseout', function(){
-            qq.removeClass(self._element, self._options.hoverClass);
-        });
-        qq.attach(input, 'focus', function(){
-            qq.addClass(self._element, self._options.focusClass);
-        });
-        qq.attach(input, 'blur', function(){
-            qq.removeClass(self._element, self._options.focusClass);
-        });
-
-        // IE and Opera, unfortunately have 2 tab stops on file input
-        // which is unacceptable in our case, disable keyboard access
-        if (window.attachEvent){
-            // it is IE or Opera
-            input.setAttribute('tabIndex', "-1");
-        }
-
-        return input;
-    }
-};
-
-/**
- * Class for uploading files, uploading itself is handled by child classes
- */
-qq.UploadHandlerAbstract = function(o){
-    this._options = {
-        debug: false,
-        action: '/upload.php',
-        // maximum number of concurrent uploads
-        maxConnections: 999,
-        onProgress: function(id, fileName, loaded, total){},
-        onComplete: function(id, fileName, response){},
-        onCancel: function(id, fileName){}
-    };
-    qq.extend(this._options, o);
-
-    this._queue = [];
-    // params for files in queue
-    this._params = [];
-};
-qq.UploadHandlerAbstract.prototype = {
-    log: function(str){
-        if (this._options.debug && window.console) console.log('[uploader] ' + str);
-    },
-    /**
-     * Adds file or file input to the queue
-     * @returns id
-     **/
-    add: function(file){},
-    /**
-     * Sends the file identified by id and additional query params to the server
-     */
-    upload: function(id, params){
-        var len = this._queue.push(id);
-
-        var copy = {};
-        qq.extend(copy, params);
-        this._params[id] = copy;
-
-        // if too many active uploads, wait...
-        if (len <= this._options.maxConnections){
-            this._upload(id, this._params[id]);
-        }
-    },
-    /**
-     * Cancels file upload by id
-     */
-    cancel: function(id){
-        this._cancel(id);
-        this._dequeue(id);
-    },
-    /**
-     * Cancells all uploads
-     */
-    cancelAll: function(){
-        for (var i=0; i<this._queue.length; i++){
-            this._cancel(this._queue[i]);
-        }
-        this._queue = [];
-    },
-    /**
-     * Returns name of the file identified by id
-     */
-    getName: function(id){},
-    /**
-     * Returns size of the file identified by id
-     */
-    getSize: function(id){},
-    /**
-     * Returns id of files being uploaded or
-     * waiting for their turn
-     */
-    getQueue: function(){
-        return this._queue;
-    },
-    /**
-     * Actual upload method
-     */
-    _upload: function(id){},
-    /**
-     * Actual cancel method
-     */
-    _cancel: function(id){},
-    /**
-     * Removes element from queue, starts upload of next
-     */
-    _dequeue: function(id){
-        var i = qq.indexOf(this._queue, id);
-        this._queue.splice(i, 1);
-
-        var max = this._options.maxConnections;
-
-        if (this._queue.length >= max && i < max){
-            var nextId = this._queue[max-1];
-            this._upload(nextId, this._params[nextId]);
-        }
-    }
-};
-
-/**
- * Class for uploading files using form and iframe
- * @inherits qq.UploadHandlerAbstract
- */
-qq.UploadHandlerForm = function(o){
-    qq.UploadHandlerAbstract.apply(this, arguments);
-
-    this._inputs = {};
-};
-// @inherits qq.UploadHandlerAbstract
-qq.extend(qq.UploadHandlerForm.prototype, qq.UploadHandlerAbstract.prototype);
-
-qq.extend(qq.UploadHandlerForm.prototype, {
-    add: function(fileInput){
-        fileInput.setAttribute('name', 'qqfile');
-        var id = 'qq-upload-handler-iframe' + qq.getUniqueId();
-
-        this._inputs[id] = fileInput;
-
-        // remove file input from DOM
-        if (fileInput.parentNode){
-            qq.remove(fileInput);
-        }
-
-        return id;
-    },
-    getName: function(id){
-        // get input value and remove path to normalize
-        return this._inputs[id].value.replace(/.*(\/|\\)/, "");
-    },
-    _cancel: function(id){
-        this._options.onCancel(id, this.getName(id));
-
-        delete this._inputs[id];
-
-        var iframe = document.getElementById(id);
-        if (iframe){
-            // to cancel request set src to something else
-            // we use src="javascript:false;" because it doesn't
-            // trigger ie6 prompt on https
-            iframe.setAttribute('src', 'javascript:false;');
-
-            qq.remove(iframe);
-        }
-    },
-    _upload: function(id, params){
-        var input = this._inputs[id];
-
-        if (!input){
-            throw new Error('file with passed id was not added, or already uploaded or cancelled');
-        }
-
-        var fileName = this.getName(id);
-
-        var iframe = this._createIframe(id);
-        var form = this._createForm(iframe, params);
-        form.appendChild(input);
-
-        var self = this;
-        this._attachLoadEvent(iframe, function(){
-            self.log('iframe loaded');
-
-            var response = self._getIframeContentJSON(iframe);
-
-            self._options.onComplete(id, fileName, response);
-            self._dequeue(id);
-
-            delete self._inputs[id];
-            // timeout added to fix busy state in FF3.6
-            setTimeout(function(){
-                qq.remove(iframe);
-            }, 1);
-        });
-
-        form.submit();
-        qq.remove(form);
-
-        return id;
-    },
-    _attachLoadEvent: function(iframe, callback){
-        qq.attach(iframe, 'load', function(){
-            // when we remove iframe from dom
-            // the request stops, but in IE load
-            // event fires
-            if (!iframe.parentNode){
-                return;
-            }
-
-            // fixing Opera 10.53
-            if (iframe.contentDocument &&
-                iframe.contentDocument.body &&
-                iframe.contentDocument.body.innerHTML == "false"){
-                // In Opera event is fired second time
-                // when body.innerHTML changed from false
-                // to server response approx. after 1 sec
-                // when we upload file with iframe
-                return;
-            }
-
-            callback();
-        });
-    },
-    /**
-     * Returns json object received by iframe from server.
-     */
-    _getIframeContentJSON: function(iframe){
-        // iframe.contentWindow.document - for IE<7
-        var doc = iframe.contentDocument ? iframe.contentDocument: iframe.contentWindow.document,
-            response;
-
-        this.log("converting iframe's innerHTML to JSON");
-        this.log("innerHTML = " + doc.body.innerHTML);
-
-        try {
-            response = eval("(" + doc.body.innerHTML + ")");
-        } catch(err){
-            response = {};
-        }
-
-        return response;
-    },
-    /**
-     * Creates iframe with unique name
-     */
-    _createIframe: function(id){
-        // We can't use following code as the name attribute
-        // won't be properly registered in IE6, and new window
-        // on form submit will open
-        // var iframe = document.createElement('iframe');
-        // iframe.setAttribute('name', id);
-
-        var iframe = qq.toElement('<iframe src="javascript:false;" name="' + id + '" />');
-        // src="javascript:false;" removes ie6 prompt on https
-
-        iframe.setAttribute('id', id);
-
-        iframe.style.display = 'none';
-        document.body.appendChild(iframe);
-
-        return iframe;
-    },
-    /**
-     * Creates form, that will be submitted to iframe
-     */
-    _createForm: function(iframe, params){
-        // We can't use the following code in IE6
-        // var form = document.createElement('form');
-        // form.setAttribute('method', 'post');
-        // form.setAttribute('enctype', 'multipart/form-data');
-        // Because in this case file won't be attached to request
-        var form = qq.toElement('<form method="post" enctype="multipart/form-data"></form>');
-
-        var queryString = qq.obj2url(params, this._options.action);
-
-        form.setAttribute('action', queryString);
-        form.setAttribute('target', iframe.name);
-        form.style.display = 'none';
-        document.body.appendChild(form);
-
-        return form;
-    }
-});
-
-/**
- * Class for uploading files using xhr
- * @inherits qq.UploadHandlerAbstract
- */
-qq.UploadHandlerXhr = function(o){
-    qq.UploadHandlerAbstract.apply(this, arguments);
-
-    this._files = [];
-    this._xhrs = [];
-
-    // current loaded size in bytes for each file
-    this._loaded = [];
-};
-
-// static method
-qq.UploadHandlerXhr.isSupported = function(){
-    var input = document.createElement('input');
-    input.type = 'file';
-
-    return (
-        'multiple' in input &&
-        typeof File != "undefined" &&
-        typeof (new XMLHttpRequest()).upload != "undefined" );
-};
-
-// @inherits qq.UploadHandlerAbstract
-qq.extend(qq.UploadHandlerXhr.prototype, qq.UploadHandlerAbstract.prototype);
-
-qq.extend(qq.UploadHandlerXhr.prototype, {
-    /**
-     * Adds file to the queue
-     * Returns id to use with upload, cancel
-     **/
-    add: function(file){
-        if (!(file instanceof File)){
-            throw new Error('Passed obj in not a File (in qq.UploadHandlerXhr)');
-        }
-
-        return this._files.push(file) - 1;
-    },
-    getName: function(id){
-        var file = this._files[id];
-        // fix missing name in Safari 4
-        return file.fileName != null ? file.fileName : file.name;
-    },
-    getSize: function(id){
-        var file = this._files[id];
-        return file.fileSize != null ? file.fileSize : file.size;
-    },
-    /**
-     * Returns uploaded bytes for file identified by id
-     */
-    getLoaded: function(id){
-        return this._loaded[id] || 0;
-    },
-    /**
-     * Sends the file identified by id and additional query params to the server
-     * @param {Object} params name-value string pairs
-     */
-    _upload: function(id, params){
-        var file = this._files[id],
-            name = this.getName(id),
-            size = this.getSize(id);
-
-        this._loaded[id] = 0;
-
-        var xhr = this._xhrs[id] = new XMLHttpRequest();
-        var self = this;
-
-        xhr.upload.onprogress = function(e){
-            if (e.lengthComputable){
-                self._loaded[id] = e.loaded;
-                self._options.onProgress(id, name, e.loaded, e.total);
-            }
-        };
-
-        xhr.onreadystatechange = function(){
-            if (xhr.readyState == 4){
-                self._onComplete(id, xhr);
-            }
-        };
-
-        // build query string
-        params = params || {};
-        params['qqfile'] = name;
-        var queryString = qq.obj2url(params, this._options.action);
-
-        xhr.open("POST", queryString, true);
-        xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
-        xhr.setRequestHeader("X-File-Name", encodeURIComponent(name));
-        xhr.setRequestHeader("Content-Type", "application/octet-stream");
-        xhr.send(file);
-    },
-    _onComplete: function(id, xhr){
-        // the request was aborted/cancelled
-        if (!this._files[id]) return;
-
-        var name = this.getName(id);
-        var size = this.getSize(id);
-
-        this._options.onProgress(id, name, size, size);
-
-        if (xhr.status == 200){
-            this.log("xhr - server response received");
-            this.log("responseText = " + xhr.responseText);
-
-            var response;
-
-            try {
-                response = eval("(" + xhr.responseText + ")");
-            } catch(err){
-                response = {};
-            }
-
-            this._options.onComplete(id, name, response);
-
-        } else {
-            this._options.onComplete(id, name, {});
-        }
-
-        this._files[id] = null;
-        this._xhrs[id] = null;
-        this._dequeue(id);
-    },
-    _cancel: function(id){
-        this._options.onCancel(id, this.getName(id));
-
-        this._files[id] = null;
-
-        if (this._xhrs[id]){
-            this._xhrs[id].abort();
-            this._xhrs[id] = null;
-        }
-    }
-});
\ No newline at end of file
-- 
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