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Proposal for simple fzf browser #1267

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Proposal for simple fzf browser #1267

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f3044cb
exposed preview path for plugin functionality
Mar 27, 2021
8730a5b
added fzf#vim#browse function
Mar 27, 2021
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51 changes: 37 additions & 14 deletions autoload/fzf/vim.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -113,6 +113,23 @@ function! s:prepend_opts(dict, eopts)
return s:extend_opts(a:dict, a:eopts, 1)
endfunction

function! fzf#vim#preview_path()
if s:is_win
let is_wsl_bash = exepath('bash') =~? 'Windows[/\\]system32[/\\]bash.exe$'
if empty($MSWINHOME)
let $MSWINHOME = $HOME
endif
if is_wsl_bash && $WSLENV !~# '[:]\?MSWINHOME\(\/[^:]*\)\?\(:\|$\)'
let $WSLENV = 'MSWINHOME/u:'.$WSLENV
endif
return 'bash '.(is_wsl_bash
\ ? substitute(substitute(s:bin.preview, '^\([A-Z]\):', '/mnt/\L\1', ''), '\', '/', 'g')
\ : escape(s:bin.preview, '\'))
else
return fzf#shellescape(s:bin.preview)
endif
endfunction

" [[spec to wrap], [preview window expression], [toggle-preview keys...]]
function! fzf#vim#with_preview(...)
" Default spec
Expand Down Expand Up @@ -161,20 +178,7 @@ function! fzf#vim#with_preview(...)
if len(window)
let preview += ['--preview-window', window]
endif
if s:is_win
let is_wsl_bash = exepath('bash') =~? 'Windows[/\\]system32[/\\]bash.exe$'
if empty($MSWINHOME)
let $MSWINHOME = $HOME
endif
if is_wsl_bash && $WSLENV !~# '[:]\?MSWINHOME\(\/[^:]*\)\?\(:\|$\)'
let $WSLENV = 'MSWINHOME/u:'.$WSLENV
endif
let preview_cmd = 'bash '.(is_wsl_bash
\ ? substitute(substitute(s:bin.preview, '^\([A-Z]\):', '/mnt/\L\1', ''), '\', '/', 'g')
\ : escape(s:bin.preview, '\'))
else
let preview_cmd = fzf#shellescape(s:bin.preview)
endif
let preview_cmd = fzf#vim#preview_path()
if len(placeholder)
let preview += ['--preview', preview_cmd.' '.placeholder]
end
Expand Down Expand Up @@ -1433,6 +1437,25 @@ function! fzf#vim#complete(...)
return ''
endfunction

" ------------------------------------------------------------------
" fzf#vim#browse - browser
" ------------------------------------------------------------------

function! fzf#vim#browse(dir)
let bindings = 'ctrl-l:accept,ctrl-e:preview-down,ctrl-y:preview-up,ctrl-d:preview-page-down,ctrl-u:preview-page-up,ctrl-p:up,ctrl-n:down'
let preview = 'if [ -f {} ]; then ' . fzf#vim#preview_path() . ' {}; else ls -Ap {}; fi'
let options = '--reverse --header=$PWD --border=rounded --preview-window=right:70% --bind="' . bindings . '" --preview="' . preview . '"'
let paths = fzf#run({'source': 'echo "..\n$(ls -Ap)"', 'options': options, 'dir': a:dir, 'sink': 'silent!'})

if !len(paths) | return | endif

let path = a:dir . '/' . paths[0]

if isdirectory(path) | return fzf#vim#browse(path) | endif

exe "e " path
endfunction

" ------------------------------------------------------------------
let &cpo = s:cpo_save
unlet s:cpo_save
3 changes: 2 additions & 1 deletion plugin/fzf.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,8 @@ call s:defs([
\'command! -bar -bang BCommits call fzf#vim#buffer_commits(fzf#vim#with_preview({ "placeholder": "" }), <bang>0)',
\'command! -bar -bang Maps call fzf#vim#maps("n", <bang>0)',
\'command! -bar -bang Filetypes call fzf#vim#filetypes(<bang>0)',
\'command! -bang -nargs=* History call s:history(<q-args>, fzf#vim#with_preview(), <bang>0)'])
\'command! -bang -nargs=* History call s:history(<q-args>, fzf#vim#with_preview(), <bang>0)',
\'command! Browse call fzf#vim#browse(expand("%:p:h"))'])

function! s:history(arg, extra, bang)
let bang = a:bang || a:arg[len(a:arg)-1] == '!'
Expand Down