Re: org-exp-blocks: what about previewing blocks ?

From: Carsten Dominik <dominik@uva.nl>
To: Nicolas Girard <nicolas.girard@nerim.net>
Cc: emacs-orgmode@gnu.org
Subject: Re: org-exp-blocks: what about previewing blocks ?
Date: Thu, 27 Aug 2009 18:38:22 +0200	[thread overview]
Message-ID: <6484A133-BA92-4096-A100-42F6F9BBAB60@uva.nl> (raw)
In-Reply-To: <51b0095d0906180232j3489705dndcc7d458d5a078af@mail.gmail.com>

Hi Nicolas,

while this would be great, I don't see any movement in this
direction, so for now I am closing this thread in my TODO folder....

- Carsten

On Jun 18, 2009, at 11:32 AM, Nicolas Girard wrote:

> 2009/6/18 Carsten Dominik <carsten.dominik@gmail.com>
>
> On Jun 17, 2009, at 2:40 AM, Nicolas Girard wrote:
>
> Hi all,
>
> currently the code in org-exp-blocks is intended for pre-processing  
> only.
> It seems to me like org-mode would gain a very powerful feature, if
> blocks could also be previewed in their own buffer, using the same
> mechanism as the org-format-latex function.
> What do you think ?
>
> I don't see how this could be done in a general way.  I guess you  
> mean in particular
> the graphics blocks like ditaa?
>
> Yes. For any block type bt, if it makes sense, it would be possible  
> to write such org-block-<bt>-generate-image(body) that takes the  
> block as argument and returns the path of the image it produced.
>
> Then:
> - for exporting: the existing org-export-blocks-format-<bt>  
> functions would simply call their respective org-block-<bt>-generate- 
> image and work the same ;
> - for previewing a block of type <bt>: if such org-block-<bt>- 
> generate-image exists, call it and display it the same way org- 
> format-latex does
>
> Wouldn't it be great ?
>
> Nicolas
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prof.dr. Carsten Dominik				dominik@uva.nl
Astronomical Institute 'Anton Pannekoek' 	 	www.astro.uva.nl/~dominik
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