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ext=(-1!==fileName.indexOf('.'))?fileName.replace(/.*[.]/,'').toLowerCase():'';var allowed=this._options.allowedExtensions;if(!allowed.length){return true} for(var i=0;i-1;return dt&&dt.effectAllowed!='none'&&(dt.files||(!isWebkit&&dt.types.contains&&dt.types.contains('Files')))} var self=this,dropArea=this._getElement('drop');dropArea.style.display='none';var hideTimeout;qq.attach(document,'dragenter', function(e){e.preventDefault()});qq.attach(document,'dragover', function(e){if(isValidDrag(e)){if(hideTimeout){clearTimeout(hideTimeout)} if(dropArea==e.target||qq.contains(dropArea,e.target)){var effect=e.dataTransfer.effectAllowed;if(effect=='move'||effect=='linkMove'){e.dataTransfer.dropEffect='move'} else{e.dataTransfer.dropEffect='copy'} qq.addClass(dropArea,self._classes.dropActive);e.stopPropagation()} else{dropArea.style.display='block';e.dataTransfer.dropEffect='none'} e.preventDefault()}});qq.attach(document,'dragleave', function(e){if(isValidDrag(e)){if(dropArea==e.target||qq.contains(dropArea,e.target)){qq.removeClass(dropArea,self._classes.dropActive);e.stopPropagation()} else{if(hideTimeout){clearTimeout(hideTimeout)} hideTimeout=setTimeout(function(){dropArea.style.display='none'},77)}}});qq.attach(dropArea,'drop', function(e){dropArea.style.display='none';self._addSelection(e.dataTransfer.files);e.preventDefault()})},_createUploadHandler: function(){var self=this,handlerClass;if(qq.UploadHandlerXhr.isSupported()){handlerClass='UploadHandlerXhr'} else{handlerClass='UploadHandlerForm'} var handler=new qq[handlerClass]({action:this._options.action,onProgress: function(id,fileName,loaded,total){self._updateProgress(id,loaded,total)},onComplete: function(id,fileName,result){var item=self._getItemByFileId(id);qq.remove(self._getElement(item,'spinner'));if(result.success){qq.remove(self._getElement(item,'cancel'));qq.addClass(item,self._classes.success)} else{qq.addClass(item,self._classes.fail);if(result.error){self._error(result.error,fileName,id)}} self._filesInProgress--;self._options.onComplete(id,fileName,result)}});return handler},_onInputChange: function(input){if(this._handler instanceof qq.UploadHandlerXhr){this._addSelection(input.files)} else{if(this._validateFile(input)){this._addFile(input)}} this._button.reset()},_addSelection: function(files){var valid=true;var i=files.length;while(i--){if(!this._validateFile(files[i])){valid=false;break}} if(valid){var i=files.length;while(i--){this._addFile(files[i])}}},_addFile: function(file){var id=this._handler.add(file);var name=this._handler.getName(id);this._options.onSubmit(id,name);this._addToList(id,name);if(this._options.autoUpload){this._queueUpload(id,this._options.params)} else this._options.onAfterSelect(file,id)},_uploadAll: function(){var allfiles=this._handler._files;for(var id=0;idthis._options.sizeLimit){this._error('sizeError',name);return false} return true},_addToList: function(id,fileName){var item=qq.toElement(this._options.fileTemplate);item.qqFileId=id;var fileElement=this._getElement(item,'file');qq.setText(fileElement,this._formatFileName(fileName));this._getElement('list').appendChild(item)},_updateProgress: function(id,loaded,total){var item=this._getItemByFileId(id);var size=this._getElement(item,'size');var text1;var text2;if(loaded!=total){text1=Math.round(loaded/total * 100)} else{text1=100} text2=' '+this._formatSize(total);qq.setProgressBar(size,text1,text2)},_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]},_getItemByFileId: function(id){var item=this._getElement('list').firstChild;while(item){if(item.qqFileId==id){return item} item=item.nextSibling}},_bindCancelEvent: function(){var self=this,list=this._getElement('list');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.UploadButton=function(o){this._options={element:null,multiple:false,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;qq.css(this._element,{position:'relative',overflow:'hidden',direction:'ltr'});this._input=this._createInput()};qq.UploadButton.prototype={getInput: function(){return this._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',right:0,top:0,fontFamily:'Arial',fontSize:'243px',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)});if(window.attachEvent){input.setAttribute('tabIndex',"-1")} return input}};qq.UploadHandlerForm=function(o){this._options={action:'/upload',onComplete: function(id,fileName,response){}};qq.extend(this._options,o);this._inputs={};this._files=[]};qq.UploadHandlerForm.prototype={add: function(fileInput){fileInput.setAttribute('name','qqfile');var uid=qq.getUniqueId();var id='qq-upload-handler-iframe'+uid;this._inputs[id]=fileInput;this._files[uid]=fileInput;if(fileInput.parentNode){qq.remove(fileInput)} return id},upload: function(id,params){if(typeof id=='number'){var id='qq-upload-handler-iframe'+id} 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._options.onComplete(id,fileName,self._getIframeContentJSON(iframe));delete self._inputs[id];uid=id.replace('qq-upload-handler-iframe','');self._files[uid]=null;setTimeout(function(){qq.remove(iframe)},1)});form.submit();qq.remove(form);return id},cancel: function(id){if(id in this._inputs){delete this._inputs[id];uid=id.replace('qq-upload-handler-iframe','');this._files[uid]=null} var iframe=document.getElementById(id);if(iframe){iframe.setAttribute('src','javascript:false;');qq.remove(iframe)}},getName: function(id){return this._inputs[id].value.replace(/.*(\/|\\)/,"")},_attachLoadEvent: function(iframe,callback){qq.attach(iframe,'load', function(){if(!iframe.parentNode){return} if(iframe.contentDocument&&iframe.contentDocument.body&&iframe.contentDocument.body.innerHTML=="false"){return} callback()})},_getIframeContentJSON: function(iframe){var doc=iframe.contentDocument?iframe.contentDocument:iframe.contentWindow.document,response;try{response=eval("("+doc.body.innerHTML+")")} catch(err){response={}} return response},_createIframe: function(id){var iframe=qq.toElement('