vim/vimrc.d/statusline.vim

set statusline=%!GetStatus(1)

" augroups
augroup status "{{{
  autocmd!
  autocmd WinNew,WinEnter * setlocal statusline=%!GetStatus(1)
  autocmd WinLeave * setlocal statusline=%!GetStatus(0)
  " autocmd WinNew * setlocal statusline=%!GetStatus(1)
  " autocmd InsertChange * setlocal statusline=%!GetStatus(1)
augroup END
"}}}

" functions

function! GetStatus(isactive) abort "{{{
  " let l:linter = ale#statusline#Count(bufnr(''))
  let l:divider = '- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - >'
  let l:separator = '%#StatusLineSeparator# '
  let l:normal = '%#StatusLineNormal#'
  let l:active = '%#StatusLineActive#'
  let l:statusline = ''

  "buffer number
  if a:isactive
    let l:statusline .= '%#StatusLineBufferNrActive#'
  else
    let l:statusline .= '%#StatusLineBufferNr#'
  endif
  let l:statusline .= ' %n %* '
"}}}

  " file percentage
  let l:statusline .= '%#FoldColumn# ' "{{{
  if a:isactive
    let l:statusline .= '%#StatusLinePercentActive#'
    let l:statusline .= '%P %#StatusLineDirActive#of %#StatusLineFileActive#%L %* '
  else
    let l:statusline .= '%#StatusLinePercent#'
    let l:statusline .= '%P %#StatusLineDir#of %#StatusLinePercent#%L %* '
  endif
"}}}

  " non-empty buftype (help, quickfix, etc)
  if a:isactive "{{{
    let l:statusline .= l:active . "%{&buftype == '' ? '' : ' '}%q%h%w%#StatusLineActiveNoText#"
  else
    let l:statusline .= l:normal . "%{&buftype == '' ? '' : ' '}%q%h%w%#StatusLineNormalNoText#"
  endif
  let l:statusline .= "%{&buftype == '' ? '' : '                                                                                                                                                                                                                                                '}%s"
"}}}

  " right/left divider
  let l:statusline.=l:separator "{{{
  " modified version 
  let l:color = 'StatusLineDivMod' . (a:isactive?'Active':'')
  let l:statusline .= GetStatusFrag("&modified && mode() != 'i'", l:color, '%<', l:divider)
   
  " unmodified version
  let l:color = 'StatusLineDiv' . (a:isactive?'Active':'')
  let l:statusline .= GetStatusFrag("!&modified && mode() != 'i'", l:color, '%<', l:divider)
   
  " input mode version
  if a:isactive
    let l:statusline .= GetStatusFrag("mode() == 'i'", 'StatusLineDivInput', '%<', l:divider)
  endif

  let l:statusline.= l:separator . '%*%='

  let l:statusline .= ' '
 "}}}

  " file info
   if a:isactive == 1 "{{{
     " let l:statusline.=l:active
     let l:statusline.='%#StatusLineFileActive#'
     " let l:statusline.=" %{strlen(&ft)?&ft:'none'} "
     " let l:statusline.=l:separator . l:active
     let l:statusline.=' %{strlen(&fenc)?&fenc:&enc} '
     " let l:statusline.=l:separator . l:active
     let l:statusline.=' %{&fileformat} '
     let l:statusline.=l:separator . l:active
     " let l:statusline.=' %{&spelllang} '
     " let l:statusline.=l:separator
   endif
"}}}


  " path/filename.extension
  if a:isactive "{{{
    let l:statusline.='%#StatusLineDirActive# '
    let l:statusline.="%{expand('%:p:h:t')}/"
    let l:statusline.='%#StatusLineFileActive#'

    let l:statusline.="%{expand('%:t:r')}"

    let l:statusline.='%#StatusLineDotActive#'
    let l:statusline.="%{strlen(expand('%:e'))?'.':''}"
    let l:statusline.='%#StatusLineExtActive#'
    let l:statusline.="%{strlen(expand('%:e'))?expand('%:e'):expand('%:e')} "
    let l:statusline .= '%#InterfaceSignWarning# %R '
  else
    let l:statusline.='%#StatusLineDir# '
    let l:statusline.="%{fnamemodify(expand('%:p:h'),':~')}/"
    let l:statusline.='%#StatusLineFile#'

    let l:statusline.="%{expand('%:t:r')}"

    let l:statusline.='%#StatusLineDot#'
    let l:statusline.="%{strlen(expand('%:e'))?'.':''}"
    let l:statusline.='%#StatusLineExt#'
    let l:statusline.="%{strlen(expand('%:e'))?expand('%:e'):expand('%:e')} "
    let l:statusline .= '%#LinterWarningInactive# %R '
  endif
  let l:statusline.='%*'
  "}}}

  " linter status "
  if a:isactive "{{{
    " errors
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('error') == 0?'-':'')}"
    let l:statusline .= "%#LinterError#%{(GetLinterStatus('error') == 0?'':GetLinterStatus('error'))}"
    " style errors
    let l:statusline .= '%#LinterDash#|'
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('style_error') == 0?'-':'')}"
    let l:statusline .= "%#LinterErrorStyle#%{(GetLinterStatus('style_error') == 0?'':GetLinterStatus('style_error'))} "

    " warnings
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('warning') == 0?'-':'')}"
    let l:statusline .= "%#LinterWarning#%{(GetLinterStatus('warning') == 0?'':GetLinterStatus('warning'))}"
    " style warnings
    let l:statusline .= '%#LinterDash#|'
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('style_warning') == 0?'-':'')}"
    let l:statusline .= "%#LinterWarningStyle#%{(GetLinterStatus('style_warning') == 0?'':GetLinterStatus('style_warning'))} "

    " info
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('info') == 0?'-':'')}"
    let l:statusline .= "%#LinterInfo#%{(GetLinterStatus('info') == 0?'':GetLinterStatus('info'))}"
  else
    " errors
    let l:statusline .= "%#LinterDash#%{(GetLinterStatus('error') == 0?'-':'')}"
    let l:statusline .= "%#LinterErrorInactive#%{(GetLinterStatus('error') == 0?'':GetLinterStatus('error'))}"
    " style errors
    let l:statusline .= '%#LinterDash#|'
    let l:statusline .= "%{(GetLinterStatus('style_error') == 0?'-':'')}"
    let l:statusline .= "%#LinterErrorStyleInactive#%{(GetLinterStatus('style_error') == 0?'':GetLinterStatus('style_error'))} "

    " warnings
    let l:statusline .= "%#LinterDash#%{(GetLinterStatus('warning') == 0?'-':'')}"
    let l:statusline .= "%#LinterWarningInactive#%{(GetLinterStatus('warning') == 0?'':GetLinterStatus('warning'))}"
    " style warnings
    let l:statusline .= '%#LinterDash#|'
    let l:statusline .= "%{(GetLinterStatus('style_warning') == 0?'-':'')}"
    let l:statusline .= "%#LinterWarningStyleInactive#%{(GetLinterStatus('style_warning') == 0?'':GetLinterStatus('style_warning'))} "

    " info
    let l:statusline .= "%#LinterDash#%{GetLinterStatus('info') == 0 ? '-' : GetLinterStatus('info')}"
  endif
"}}}

  return l:statusline

endfunction 
"}}}

function! DoInsertEnter()

  set cursorline"{{{
  call SetColor('LineNr', '#262626', '', '#cccccc', '', '')
  call SetColor('CursorLineNr', '#bcbcbc', '', '#999999', '', 'bold')
endfunction
"}}}

function! DoInsertLeave()
  set nocursorline"{{{
  call SetColor('LineNr', '#3a3a3a', '', '#999999', '', '')
  call SetColor('CursorLineNr', '#767676', '', '#777777', '', 'bold')
endfunction
"}}}


" augroups

augroup statuscursorlines
  au!
  au InsertEnter * call DoInsertEnter()
  au InsertLeave * call DoInsertLeave()
augroup END

" vim: foldmethod=marker