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Re: [ptp-dev] Questions about remote support
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On Oct 2, 2007, at 5:42 PM, Dave Wootton wrote:
Greg
I think adding browseRe,oteDirectory will solve the dialog problem.
I realized while I was out this afternoon that I also need to be
able to query a remote path to determine if the file exists, if it
is a file (vs directory or something else), whether it's readable,
and whethjer it's writable.
Ok, I've added browseRemoteDirectory(). To support these additional
tests, I'll need to expose the EFS interfaces. So rather than
browseRemoteFile() returning a string, it will return an IFileStore
which you can then use to check for existence, etc. This will take a
bit longer.
The other question is whether with a remote filesystem, I might
have a performance issue, since I'm validating up to 14 file paths
each time any widget value changes in my parallel tab. I thought
about validating only the specific field that changed value, but
the last time I looked at it, it seemed like that would end up
being really ugly, with the need for something like a large case
statement to decide which field changed value and only validate
that field.
Dave
I'd say you're definitely going to have to change your validation to
only validate the changed field. In the EFS world you can't assume
that resources are local any more, so file operations can potentially
take a long time.
Greg
