This is a mirror of http://www.vim.org/scripts/script.php?script_id=2521

This script is an improved version of  f.vim  (vimscript #318).

Improvements: folding depth is limited, previous fold settings can be restored, pattern is always the last search pattern.

Script uses manual folds.  The user's manual folds are not preserved (unlike vimscript #2302 does it).


Usage:

<Leader>z
fold away lines not matching the last search pattern.
With [count], change the initial foldlevel to ([count] minus one).  The setting will be stored in g:searchfold_foldlevel and will be used when [count] is omitted.

<Leader>iz
fold away lines that do match the last search pattern (inverse folding).

<Leader>Z
try hard to restore the previous fold settings



Customization:

:let g:searchfold_maxdepth = 7
(number) maximum fold depth

:let g:searchfold_usestep = 1
(boolean)
Controls how folds are organized: If 1 (default), each "zr" (after "\z") unfolds the same amount of lines above and below a match.  If 0, only one more line is unfolded above a match.  This applies for next "\z" or "\iz".

:let g:searchfold_postZ_do_zv = 1
(boolean)
If 1, execute "zv" (view cursor line) after <Leader>Z.

:let g:searchfold_foldlevel = 0
(number)
Initial 'foldlevel' to set for <Leader>z and <Leader>iz

:let g:searchfold_do_maps = 1
(boolean)
Whether to map the default keys or not.



A few more links to check out:
- http://www.noah.org/wiki/Vim#Folding
- vimscript #158 (foldutil.vim)
- vimscript #578 (allfold.tar.gz)

2011 May 24