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Re: HTML5 drag-n-drop multiple file upload - AjaxFileUpload
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Re: HTML5 drag-n-drop multiple file upload - AjaxFileUpload


  • Subject: Re: HTML5 drag-n-drop multiple file upload - AjaxFileUpload
  • From: Helmut Tschemernjak <email@hidden>
  • Date: Sat, 04 Aug 2012 22:31:19 +0200
  • Organization: HELIOS Software GmbH


Multiple parallel asyc uploads with a progress bar are a pretty big development task, we did this for our WebShare solution. It is possible with the standard WebObjects capabilities but requires a lot of additional programming.

We basically iterate the WOMultipartIterator.WOFormData until we find our download field and get the InputStream from formDataInputStream(). Our upload form also includes additional fields containing unique upload unique id. A JavaScript in the browser asked periodically for the upload status via a direct action containing the uploads ids.

BTW: The HTML5 drag & drop feature does not work will all browsers.

Now you have an idea how it can be done.

Helmut

PS: In our WebShare solution we forward this upload stream to a file server which unpacks ZIP file archives on-the-fly with the proper user credentials. We got also a file synchronize solution called WebShare Manager which allows drag&drop downloads to the desktop with ongoing synchronization for uploads and downloads. In case you need a product to save development time checkout WebShare on www.helios.de and www.helios.de/videos



On 04.08.12 17:52, Kohlhase Ulrich wrote:
While searching in the WO dev mailing list for hints on how to actually get multiple (Ajax) file upload to work, I came across your post from November last year. Are you still willing to share the HTML5 multiple file upload component you've mentioned with the WO community?

Thanks a lot!
Uli


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 >Re: HTML5 drag-n-drop multiple file upload - AjaxFileUpload (From: Kohlhase Ulrich <email@hidden>)

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