From mboxrd@z Thu Jan  1 00:00:00 1970
From: Oleh <ohwoeowho@gmail.com>
Subject: Re: How to show/hide the snippet block in org-babel when the cursor
 is inside the snippet text
Date: Tue, 16 Dec 2014 13:01:30 +0100
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To: Ivanov Dmitry <usr345@gmail.com>
Cc: emacs-orgmode@gnu.org

Hi Dmitry,

> I would like to implement the following. Suppose, we have this org file:
>
> #+BABEL: :cache yes :tangle yes :noweb yes
>
> #+NAME: top_block
> #+begin_src perl :tangle "test.pl" :noweb tangle :shebang #!/usr/bin/perl
>   use strict;
>   use warnings;
>
>   open(my $fh, "<", "test.txt")
>       or die "cannot open < file name: $!";
>   <<output-all>>
>   close($fh);
> #+end_src
>
> #+NAME: output-all
> #+begin_src perl
>   while (my $line = <$fh>) {
>       print $line;
>   }
> #+end_src
>
> I can expand/collapse src blocks only when the cursor is on the top lines:
>
>
> #+NAME: top_block
> #+begin_src perl ...
>
> But when it is inside any text in the scr block, expand/collapse doesn't
> work. How can I add this functionality as moving the cursor every time is
> not nice.

There's a feature like this in https://github.com/abo-abo/worf
(installable also from MELPA).

If you're in a source block, "[" will bring you to its start, and "i"
will hide/unhide it.

You can use "j"/"k"/"i" to quickly navigate and fold many source
blocks within one heading.

regards,
Oleh