vim-airline/autoload/airline/extensions/tabline/autoshow.vim

52 lines
1.6 KiB
VimL

" MIT License. Copyright (c) 2013-2015 Bailey Ling.
" vim: et ts=2 sts=2 sw=2
let s:show_buffers = get(g:, 'airline#extensions#tabline#show_buffers', 1)
let s:buf_min_count = get(g:, 'airline#extensions#tabline#buffer_min_count', 0)
let s:tab_min_count = get(g:, 'airline#extensions#tabline#tab_min_count', 0)
function! airline#extensions#tabline#autoshow#off()
if exists('s:original_tabline')
let &tabline = s:original_tabline
let &showtabline = s:original_showtabline
endif
augroup airline_tabline_autoshow
autocmd!
augroup END
endfunction
function! airline#extensions#tabline#autoshow#on()
let [ s:original_tabline, s:original_showtabline ] = [ &tabline, &showtabline ]
augroup airline_tabline_autoshow
autocmd!
if s:buf_min_count <= 0 && s:tab_min_count <= 1
set showtabline=2
else
if s:show_buffers == 1
autocmd BufEnter * call <sid>show_tabline(s:buf_min_count, len(airline#extensions#tabline#buflist#list()))
autocmd BufUnload * call <sid>show_tabline(s:buf_min_count, len(airline#extensions#tabline#buflist#list()) - 1)
else
autocmd TabEnter * call <sid>show_tabline(s:tab_min_count, tabpagenr('$'))
endif
endif
" Invalidate cache. This has to come after the BufUnload for
" s:show_buffers, to invalidate the cache for BufEnter.
autocmd BufAdd,BufUnload * call airline#extensions#tabline#buflist#invalidate()
augroup END
endfunction
function! s:show_tabline(min_count, total_count)
if a:total_count >= a:min_count
if &showtabline != 2
set showtabline=2
endif
else
if &showtabline != 0
set showtabline=0
endif
endif
endfunction