[racket] Extending DrRacket with non-text tabs

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At Fri, 28 Nov 2014 19:08:31 +0400, Dmitry Pavlov wrote:
> Robby,
> 
> Thank you very much, I am happy now with editor running within DrRacket.
> 
> By the way, I have made a package, not with the full editor
> itself (it is specific to my project), but with the base GUI class
> (customizable).
> 
> I have registered the package on pkgs.racket-lang.org under the name
> spreadsheet-editor. It fails to build, and here is what I am seeing:
> 
> http://pkg-build.racket-lang.org/server/built/fail/spreadsheet-editor.txt
> 
> require: PLaneT could not download the package "williams/table-panel:1": 
> tcp-connect: connection failed
>    detail: host not found
>    address: planet.racket-lang.org
>    port number: 80
>    step: 1
>    system error: Name or service not known; errno=-2
>    in: (planet williams/table-panel:1:2/table-panel)
> 
> At the same time, it all works fine on my system. Do you have an idea
> how can it be fixed?
> 
> 
> Best regards,
> 
> Dmitry
> 
> 
> 
> 
> On 11/14/2014 05:44 PM, Robby Findler wrote:
> > On Fri, Nov 14, 2014 at 5:36 AM, Dmitry Pavlov <dpavlov at ipa.nw.ru> wrote:
> >> Robby,
> >>
> >>> Sorry for the long delay in replying.
> >>
> >>
> >> Never mind---I have been distracted by other things recently, and
> >> now I am back to work on this, so your reply is in fact just in time,
> >> thanks :)
> >>
> >>> You should be able to use handler:insert-format-handler to open your
> >>> frame when a file with your extension is opened via the open dialog.
> >>
> >>
> >> Good, insert-format-handler will suffice my needs I think.
> >> Dumb question follows: what is the best place to call
> >> insert-format-handler from?
> >>
> >> To be more specific about my goals:
> >> I have a Racket installation, and I would like to have this
> >> format handler registered by the moment a user starts DrRacket
> >> and opens some file in it.
> >>
> >> I tried and hijacked
> >> /opt/racket/share/pkgs/drracket/drracket/private/main.rkt
> >> to insert my (handler:insert-format-handler) to it, but
> >> this surely does not seem to be a good solution.
> >>
> >> My spreadsheet-editing module is currently in a collection
> >> that is "raco link"-ed to the Racket installation. Is there
> >> a way to call (handler:insert-format-handler) from a collection
> >> module before the collection is (require)-d? Or can I form
> >> a package from my collection and use some package mechanism
> >> for that?
> >
> > Yes. See: http://docs.racket-lang.org/tools/implementing-tools.html
> >
> > You probably want to call it just from the top-level of your unit (not
> > from phase1 or phase2).
> >
> >> Also, a related question: what would you recommend for
> >> adding a certain file type to the DrRacket's file->open
> >> dialog, where currently are "Racket Sources" and "Any"?
> >
> > I think you should call finder:default-filters (using the old value to
> > construct a new value).
> >
> > Robby
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> >
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