在預覽窗口中打開新緩衝區時佔用Vim預覽窗口的自動關閉緩衝區

Question

我經常使用Unite.vim來滾動瀏覽Vim中的文件列表。有時候我會使用Unite的auto-preview功能在預覽窗口中打開每個文件，當我滾動它時。如果我滾動瀏覽大量文件，這會給我留下一堆我不需要的開放緩衝區。在預覽窗口中打開新緩衝區時，如何使當前佔用預覽窗口的緩衝區關閉？

Answer 1

我能夠翻翻團結源，複製預覽功能，並使我直接需要此功能的修改做了預覽窗口的垂直開放來解決這個問題：

function! s:preview.func(candidate) 
    let buflisted = buflisted(
     \ unite#util#escape_file_searching(
     \ a:candidate.action__path)) 
    if filereadable(a:candidate.action__path) 
    " If execute this command, unite.vim will be affected by events. 
    noautocmd silent execute 'vert pedit!' " added vert 
      \ fnameescape(a:candidate.action__path) 
    call SetWidthToHalfScreen() " added to resize preview window 
    let prev_winnr = winnr('#') 
    let winnr = winnr() 
    wincmd P 
    doautoall BufRead 
    setlocal nomodified 
    execute prev_winnr.'wincmd w' 
    execute winnr.'wincmd w' 
    endif 
    if !buflisted 
    call unite#add_previewed_buffer_list(
     \ bufnr(unite#util#escape_file_searching(
     \  a:candidate.action__path))) 
    endif 
endfunction 
call unite#custom#action("openable", "preview", s:preview) 
call unite#custom#action("file", "preview", s:preview) 

function! SetWidthToHalfScreen() 
    let diff = 100 - winwidth(winnr()) 
    exec "vert resize " . (diff > 0 ? '+' : '-') . abs(diff) 
endfunction