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ftplugin/vidir.vim  view on Meta::CPAN

" Don't load another filetype plugin for this buffer
let b:did_ftplugin = 1

" Allow use of line continuation.
let s:save_cpo = &cpo
set cpo&vim

" Restore things when changing filetype.
let b:undo_ftplugin = "setl ofu< | augroup vidir_ls | exec 'au! CursorMoved,CursorMovedI <buffer>'|augroup END"

" do not allow the cursor to move back into the line numbers
function! s:on_cursor_moved()
  let fname_pos = match(getline('.'), '^ *\d\+ \zs\S') + 1
  let cur_pos = col('.')
  if fname_pos < 1 || cur_pos >= fname_pos
    " nothing to do
    return
  endif
  " move cursor back to a sensible place
  call cursor(line('.'), fname_pos)
endfunction

" do not allow non-numeric changes to the file index column
function! s:on_text_changed()
  let broken_lines = []
  silent vglobal/^ *\d\+ / call add(broken_lines, line('.'))
  if empty(broken_lines)
    " nothing to do
    return
  endif

ftplugin/vidir.vim  view on Meta::CPAN

    echohl Normal
    return
  endif
  " found the right magic!
  undojoin
  call setline(1, lines[1:])
endfunction

augroup vidir_ls
  autocmd!
  autocmd CursorMoved,CursorMovedI <buffer> call s:on_cursor_moved()
  autocmd TextChanged,TextChangedI <buffer> call s:on_text_changed()
augroup END

"reset &cpo back to users setting
let &cpo = s:save_cpo

" vim: set sw=2 sts=2 et fdm=marker: