/* Multiple file upload component with progress-bar, drag-and-drop. http://github.com/valums/file-uploader Copyright (C) 2011 by Andris Valums Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ var qq=qq||{};qq.extend=function(e,t){for(var n in t)e[n]=t[n]},qq.indexOf=function(e,t,n){if(e.indexOf)return e.indexOf(t,n);n=n||0;var o=e.length;for(0>n&&(n+=o);o>n;n++)if(n in e&&e[n]===t)return n;return-1},qq.getUniqueId=function(){var e=0;return function(){return e++}}(),qq.attach=function(e,t,n){e.addEventListener?e.addEventListener(t,n,!1):e.attachEvent&&e.attachEvent("on"+t,n)},qq.detach=function(e,t,n){e.removeEventListener?e.removeEventListener(t,n,!1):e.attachEvent&&e.detachEvent("on"+t,n)},qq.preventDefault=function(e){e.preventDefault?e.preventDefault():e.returnValue=!1},qq.insertBefore=function(e,t){t.parentNode.insertBefore(e,t)},qq.remove=function(e){e.parentNode.removeChild(e)},qq.contains=function(e,t){return e==t?!0:e.contains?e.contains(t):!!(8&t.compareDocumentPosition(e))},qq.toElement=function(){var e=document.createElement("div");return function(t){e.innerHTML=t;var n=e.firstChild;return e.removeChild(n),n}}(),qq.css=function(e,t){null!=t.opacity&&"string"!=typeof e.style.opacity&&"undefined"!=typeof e.filters&&(t.filter="alpha(opacity="+Math.round(100*t.opacity)+")"),qq.extend(e.style,t)},qq.hasClass=function(e,t){var n=new RegExp("(^| )"+t+"( |$)");return n.test(e.className)},qq.addClass=function(e,t){qq.hasClass(e,t)||(e.className+=" "+t)},qq.removeClass=function(e,t){var n=new RegExp("(^| )"+t+"( |$)");e.className=e.className.replace(n," ").replace(/^\s+|\s+$/g,"")},qq.setText=function(e,t){e.innerText=t,e.textContent=t},qq.children=function(e){for(var t=[],n=e.firstChild;n;)1==n.nodeType&&t.push(n),n=n.nextSibling;return t},qq.getByClass=function(e,t){if(e.querySelectorAll)return e.querySelectorAll("."+t);for(var n=[],o=e.getElementsByTagName("*"),i=o.length,s=0;i>s;s++)qq.hasClass(o[s],t)&&n.push(o[s]);return n},qq.obj2url=function(e,t,n){var o=[],i="&",s=function(e,n){var i=t?/\[\]$/.test(t)?t:t+"["+n+"]":n;"undefined"!=i&&"undefined"!=n&&o.push("object"==typeof e?qq.obj2url(e,i,!0):"[object Function]"===Object.prototype.toString.call(e)?encodeURIComponent(i)+"="+encodeURIComponent(e()):encodeURIComponent(i)+"="+encodeURIComponent(e))};if(!n&&t)i=/\?/.test(t)?/\?$/.test(t)?"":"&":"?",o.push(t),o.push(qq.obj2url(e));else if("[object Array]"===Object.prototype.toString.call(e)&&"undefined"!=typeof e)for(var a=0,r=e.length;r>a;++a)s(e[a],a);else if("undefined"!=typeof e&&null!==e&&"object"==typeof e)for(var a in e)s(e[a],a);else o.push(encodeURIComponent(t)+"="+encodeURIComponent(e));return o.join(i).replace(/^&/,"").replace(/%20/g,"+")};var qq=qq||{};qq.FileUploaderBasic=function(e){this._options={debug:!1,action:"/server/upload",params:{},button:null,multiple:!0,maxConnections:3,allowedExtensions:[],sizeLimit:0,minSizeLimit:0,onSubmit:function(e,t){},onProgress:function(e,t,n,o){},onComplete:function(e,t,n){},onCancel:function(e,t){},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(e){alert(e)}},qq.extend(this._options,e),this._filesInProgress=0,this._handler=this._createUploadHandler(),this._options.button&&(this._button=this._createUploadButton(this._options.button)),this._preventLeaveInProgress()},qq.FileUploaderBasic.prototype={setParams:function(e){this._options.params=e},getInProgress:function(){return this._filesInProgress},_createUploadButton:function(e){var t=this;return new qq.UploadButton({element:e,multiple:this._options.multiple&&qq.UploadHandlerXhr.isSupported(),onChange:function(e){t._onInputChange(e)}})},_createUploadHandler:function(){var e,t=this;e=qq.UploadHandlerXhr.isSupported()?"UploadHandlerXhr":"UploadHandlerForm";var n=new qq[e]({debug:this._options.debug,action:this._options.action,maxConnections:this._options.maxConnections,onProgress:function(e,n,o,i){t._onProgress(e,n,o,i),t._options.onProgress(e,n,o,i)},onComplete:function(e,n,o){t._onComplete(e,n,o),t._options.onComplete(e,n,o)},onCancel:function(e,n){t._onCancel(e,n),t._options.onCancel(e,n)}});return n},_preventLeaveInProgress:function(){},_onSubmit:function(e,t){this._filesInProgress++},_onProgress:function(e,t,n,o){},_onComplete:function(e,t,n){this._filesInProgress--,n.error&&this._options.showMessage(n.error)},_onCancel:function(e,t){this._filesInProgress--},_onInputChange:function(e){this._handler instanceof qq.UploadHandlerXhr?this._uploadFileList(e.files):this._validateFile(e)&&this._uploadFile(e),this._button.reset()},_uploadFileList:function(e){for(var t=0;tthis._options.sizeLimit?(this._error("sizeError",t),!1):n&&n33&&(e=e.slice(0,19)+"..."+e.slice(-13)),e},_isAllowedExtension:function(e){var t=-1!==e.indexOf(".")?e.replace(/.*[.]/,"").toLowerCase():"",n=this._options.allowedExtensions;if(!n.length)return!0;for(var o=0;o99);return Math.max(e,.1).toFixed(1)+["kB","MB","GB","TB","PB","EB"][t]}},qq.FileUploader=function(e){qq.FileUploaderBasic.apply(this,arguments),qq.extend(this._options,{element:null,listElement:null,template:'
Drop files here to upload
Upload a file
    ',fileTemplate:'
  • CancelFailed
    • ',classes:{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",success:"qq-upload-success",fail:"qq-upload-fail"}}),qq.extend(this._options,e),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()},qq.extend(qq.FileUploader.prototype,qq.FileUploaderBasic.prototype),qq.extend(qq.FileUploader.prototype,{_find:function(e,t){var n=qq.getByClass(e,this._options.classes[t])[0];if(!n)throw new Error("element not found "+t);return n},_setupDragDrop:function(){var e=this,t=this._find(this._element,"drop"),n=new qq.UploadDropZone({element:t,onEnter:function(n){qq.addClass(t,e._classes.dropActive),n.stopPropagation()},onLeave:function(e){e.stopPropagation()},onLeaveNotDescendants:function(n){qq.removeClass(t,e._classes.dropActive)},onDrop:function(n){t.style.display="none",qq.removeClass(t,e._classes.dropActive),e._uploadFileList(n.dataTransfer.files)}});t.style.display="none",qq.attach(document,"dragenter",function(e){n._isValidFileDrag(e)&&(t.style.display="block")}),qq.attach(document,"dragleave",function(e){if(n._isValidFileDrag(e)){var o=document.elementFromPoint(e.clientX,e.clientY);o&&"HTML"!=o.nodeName||(t.style.display="none")}})},_onSubmit:function(e,t){qq.FileUploaderBasic.prototype._onSubmit.apply(this,arguments),this._addToList(e,t)},_onProgress:function(e,t,n,o){qq.FileUploaderBasic.prototype._onProgress.apply(this,arguments);var i=this._getItemByFileId(e),s=this._find(i,"size");s.style.display="inline";var a;a=n!=o?Math.round(n/o*100)+"% from "+this._formatSize(o):this._formatSize(o),qq.setText(s,a)},_onComplete:function(e,t,n){qq.FileUploaderBasic.prototype._onComplete.apply(this,arguments);var o=this._getItemByFileId(e);qq.remove(this._find(o,"cancel")),qq.remove(this._find(o,"spinner")),n.success?qq.addClass(o,this._classes.success):qq.addClass(o,this._classes.fail)},_addToList:function(e,t){var n=qq.toElement(this._options.fileTemplate);n.qqFileId=e;var o=this._find(n,"file");qq.setText(o,this._formatFileName(t)),this._find(n,"size").style.display="none",this._listElement.appendChild(n)},_getItemByFileId:function(e){for(var t=this._listElement.firstChild;t;){if(t.qqFileId==e)return t;t=t.nextSibling}},_bindCancelEvent:function(){var e=this,t=this._listElement;qq.attach(t,"click",function(t){t=t||window.event;var n=t.target||t.srcElement;if(qq.hasClass(n,e._classes.cancel)){qq.preventDefault(t);var o=n.parentNode;e._handler.cancel(o.qqFileId),qq.remove(o)}})}}),qq.UploadDropZone=function(e){this._options={element:null,onEnter:function(e){},onLeave:function(e){},onLeaveNotDescendants:function(e){},onDrop:function(e){}},qq.extend(this._options,e),this._element=this._options.element,this._disableDropOutside(),this._attachEvents()},qq.UploadDropZone.prototype={_disableDropOutside:function(e){qq.UploadDropZone.dropOutsideDisabled||(qq.attach(document,"dragover",function(e){e.dataTransfer&&(e.dataTransfer.dropEffect="none",e.preventDefault())}),qq.UploadDropZone.dropOutsideDisabled=!0)},_attachEvents:function(){var e=this;qq.attach(e._element,"dragover",function(t){if(e._isValidFileDrag(t)){var n=t.dataTransfer.effectAllowed;"move"==n||"linkMove"==n?t.dataTransfer.dropEffect="move":t.dataTransfer.dropEffect="copy",t.stopPropagation(),t.preventDefault()}}),qq.attach(e._element,"dragenter",function(t){e._isValidFileDrag(t)&&e._options.onEnter(t)}),qq.attach(e._element,"dragleave",function(t){if(e._isValidFileDrag(t)){e._options.onLeave(t);var n=document.elementFromPoint(t.clientX,t.clientY);qq.contains(this,n)||e._options.onLeaveNotDescendants(t)}}),qq.attach(e._element,"drop",function(t){e._isValidFileDrag(t)&&(t.preventDefault(),e._options.onDrop(t))})},_isValidFileDrag:function(e){var t=e.dataTransfer,n=navigator.userAgent.indexOf("AppleWebKit")>-1;return t&&"none"!=t.effectAllowed&&(t.files||!n&&t.types.contains&&t.types.contains("Files"))}},qq.UploadButton=function(e){this._options={element:null,multiple:!1,name:"file",onChange:function(e){},hoverClass:"qq-upload-button-hover",focusClass:"qq-upload-button-focus"},qq.extend(this._options,e),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(){this._input.parentNode&&qq.remove(this._input),qq.removeClass(this._element,this._options.focusClass),this._input=this._createInput()},_createInput:function(){var e=document.createElement("input");this._options.multiple&&e.setAttribute("multiple","multiple"),e.setAttribute("type","file"),e.setAttribute("name",this._options.name),qq.css(e,{position:"absolute",right:0,top:0,fontFamily:"Arial",fontSize:"118px",margin:0,padding:0,cursor:"pointer",opacity:0}),this._element.appendChild(e);var t=this;return qq.attach(e,"change",function(){t._options.onChange(e)}),qq.attach(e,"mouseover",function(){qq.addClass(t._element,t._options.hoverClass)}),qq.attach(e,"mouseout",function(){qq.removeClass(t._element,t._options.hoverClass)}),qq.attach(e,"focus",function(){qq.addClass(t._element,t._options.focusClass)}),qq.attach(e,"blur",function(){qq.removeClass(t._element,t._options.focusClass)}),window.attachEvent&&e.setAttribute("tabIndex","-1"),e}},qq.UploadHandlerAbstract=function(e){this._options={debug:!1,action:"/upload.php",maxConnections:999,onProgress:function(e,t,n,o){},onComplete:function(e,t,n){},onCancel:function(e,t){}},qq.extend(this._options,e),this._queue=[],this._params=[]},qq.UploadHandlerAbstract.prototype={log:function(e){this._options.debug&&window.console&&console.log("[uploader] "+e)},add:function(e){},upload:function(e,t){var n=this._queue.push(e),o={};qq.extend(o,t),this._params[e]=o,n<=this._options.maxConnections&&this._upload(e,this._params[e])},cancel:function(e){this._cancel(e),this._dequeue(e)},cancelAll:function(){for(var e=0;e=n&&n>t){var o=this._queue[n-1];this._upload(o,this._params[o])}}},qq.UploadHandlerForm=function(e){qq.UploadHandlerAbstract.apply(this,arguments),this._inputs={}},qq.extend(qq.UploadHandlerForm.prototype,qq.UploadHandlerAbstract.prototype),qq.extend(qq.UploadHandlerForm.prototype,{add:function(e){e.setAttribute("name","qqfile");var t="qq-upload-handler-iframe"+qq.getUniqueId();return this._inputs[t]=e,e.parentNode&&qq.remove(e),t},getName:function(e){return this._inputs[e].value.replace(/.*(\/|\\)/,"")},_cancel:function(e){this._options.onCancel(e,this.getName(e)),delete this._inputs[e];var t=document.getElementById(e);t&&(t.setAttribute("src","javascript:false;"),qq.remove(t))},_upload:function(e,t){var n=this._inputs[e];if(!n)throw new Error("file with passed id was not added, or already uploaded or cancelled");var o=this.getName(e),i=this._createIframe(e),s=this._createForm(i,t);s.appendChild(n);var a=this;return this._attachLoadEvent(i,function(){a.log("iframe loaded");var t=a._getIframeContentJSON(i);a._options.onComplete(e,o,t),a._dequeue(e),delete a._inputs[e],setTimeout(function(){qq.remove(i)},1)}),s.submit(),qq.remove(s),e},_attachLoadEvent:function(e,t){qq.attach(e,"load",function(){e.parentNode&&(e.contentDocument&&e.contentDocument.body&&"false"==e.contentDocument.body.innerHTML||t())})},_getIframeContentJSON:function(iframe){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},_createIframe:function(e){var t=qq.toElement('