Hi,

I'm looking into possibilities for creating a mapping application
using GWT and the openlayers javascript library (http://
openlayers.org/). I would like to use openlayers to read data from a
web feature service (WFS) and then display the results as both a map
and in a table. I'm particularly interested in the suitability of the
CellTable widget to efficiently allow viewing of huge datasets. Rather
than using the RequestFactory to do this by contacting the server
directly, is it possible to implement a client side version of this,
so that the data will be retrieved through openlayers? Ideally, I was
hoping that there would be some form of a DataSource interface that I
would be able to extend to do this.
My current thoughts from the code are that there may be some
possibilities with the editor framework, but the related code is
usually generated. I've not found any details of how Editors (or
EditorDelegates?) can be connected to CellTables. Given that this is
not the most common use case and the developer guide for editors is
not available yet, I'm now confused and unsure where best to
investigate next.

If anyone has any thoughts or advice on where to look next for more
examples, or even if you think this is not going to be possible, I'd
be very interested to hear them.

Regards,

Mark Howard

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