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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