").append(m.parseHTML(a)).find(d):a)}).complete(c&&function(a,b){g.each(c,e||[a.responseText,b,a])}),this},m.each(["ajaxStart","ajaxStop","ajaxComplete","ajaxError","ajaxSuccess","ajaxSend"],function(a,b){m.fn[b]=function(a){return this.on(b,a)}}),m.expr.filters.animated=function(a){return m.grep(m.timers,function(b){return a===b.elem}).length};var cc=a.document.documentElement;function dc(a){return m.isWindow(a)?a:9===a.nodeType?a.defaultView||a.parentWindow:!1}m.offset={setOffset:function(a,b,c){var d,e,f,g,h,i,j,k=m.css(a,"position"),l=m(a),n={};"static"===k&&(a.style.position="relative"),h=l.offset(),f=m.css(a,"top"),i=m.css(a,"left"),j=("absolute"===k||"fixed"===k)&&m.inArray("auto",[f,i])>-1,j?(d=l.position(),g=d.top,e=d.left):(g=parseFloat(f)||0,e=parseFloat(i)||0),m.isFunction(b)&&(b=b.call(a,c,h)),null!=b.top&&(n.top=b.top-h.top+g),null!=b.left&&(n.left=b.left-h.left+e),"using"in b?b.using.call(a,n):l.css(n)}},m.fn.extend({offset:function(a){if(arguments.length)return void 0===a?this:this.each(function(b){m.offset.setOffset(this,a,b)});var b,c,d={top:0,left:0},e=this[0],f=e&&e.ownerDocument;if(f)return b=f.documentElement,m.contains(b,e)?(typeof e.getBoundingClientRect!==K&&(d=e.getBoundingClientRect()),c=dc(f),{top:d.top+(c.pageYOffset||b.scrollTop)-(b.clientTop||0),left:d.left+(c.pageXOffset||b.scrollLeft)-(b.clientLeft||0)}):d},position:function(){if(this[0]){var a,b,c={top:0,left:0},d=this[0];return"fixed"===m.css(d,"position")?b=d.getBoundingClientRect():(a=this.offsetParent(),b=this.offset(),m.nodeName(a[0],"html")||(c=a.offset()),c.top+=m.css(a[0],"borderTopWidth",!0),c.left+=m.css(a[0],"borderLeftWidth",!0)),{top:b.top-c.top-m.css(d,"marginTop",!0),left:b.left-c.left-m.css(d,"marginLeft",!0)}}},offsetParent:function(){return this.map(function(){var a=this.offsetParent||cc;while(a&&!m.nodeName(a,"html")&&"static"===m.css(a,"position"))a=a.offsetParent;return a||cc})}}),m.each({scrollLeft:"pageXOffset",scrollTop:"pageYOffset"},function(a,b){var c=/Y/.test(b);m.fn[a]=function(d){return V(this,function(a,d,e){var f=dc(a);return void 0===e?f?b in f?f[b]:f.document.documentElement[d]:a[d]:void(f?f.scrollTo(c?m(f).scrollLeft():e,c?e:m(f).scrollTop()):a[d]=e)},a,d,arguments.length,null)}}),m.each(["top","left"],function(a,b){m.cssHooks[b]=La(k.pixelPosition,function(a,c){return c?(c=Ja(a,b),Ha.test(c)?m(a).position()[b]+"px":c):void 0})}),m.each({Height:"height",Width:"width"},function(a,b){m.each({padding:"inner"+a,content:b,"":"outer"+a},function(c,d){m.fn[d]=function(d,e){var f=arguments.length&&(c||"boolean"!=typeof d),g=c||(d===!0||e===!0?"margin":"border");return V(this,function(b,c,d){var e;return m.isWindow(b)?b.document.documentElement["client"+a]:9===b.nodeType?(e=b.documentElement,Math.max(b.body["scroll"+a],e["scroll"+a],b.body["offset"+a],e["offset"+a],e["client"+a])):void 0===d?m.css(b,c,g):m.style(b,c,d,g)},b,f?d:void 0,f,null)}})}),m.fn.size=function(){return this.length},m.fn.andSelf=m.fn.addBack,"function"==typeof define&&define.amd&&define("jquery",[],function(){return m});var ec=a.jQuery,fc=a.$;return m.noConflict=function(b){return a.$===m&&(a.$=fc),b&&a.jQuery===m&&(a.jQuery=ec),m},typeof b===K&&(a.jQuery=a.$=m),m});
/**
* 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){
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: '/upload',
params: {},
button: null,
multiple: true,
maxConnections: 3,
// validation
allowedExtensions: [],
sizeLimit: 2147483648,
minSizeLimit: 0,
// events
// return false to cancel submit
onSubmit: function(id, fileName){ document.getElementById("toggleme").style.display = "block";},
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}.",
sizeError: "test",
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){
if (message == "test") {
if (confirm("Uploading a large file, redirecting to a stable uploader. \nCancel if you currently have files already uploaded.")) {
document.getElementById("html5").style.display = "none";
document.getElementById("flash").style.display = "block";
//window.location = "/stable";
}
}
else {
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
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 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: '' +
'
Drop files here to upload
' +
'
Click or Drop file(s)
' +
'
' +
'
'
} 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: '/testest',
// 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= 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('');
// 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('');
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.setRequestHeader("Accept", "application/json");
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;
}
}
});
var uploader = new qq.FileUploader({
element: document.getElementById('file-uploader'),
action: '/upload',
params: {
expires: $('#expires').val(),
randomize: true,
},
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);
},
});