vim-airline-themes/plugin/airline.vim
2013-07-01 03:40:25 +02:00

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" powerline symbols:       
" some unicode symbols: ▶ » « ◀
if !exists('g:airline_left_sep')
let g:airline_left_sep=exists('g:airline_powerline_fonts')?"":">"
endif
if !exists('g:airline_right_sep')
let g:airline_right_sep=exists('g:airline_powerline_fonts')?"":"<"
endif
if !exists('g:airline_enable_fugitive')
let g:airline_enable_fugitive = 1
endif
if !exists('g:airline_enable_syntastic')
let g:airline_enable_syntastic = 1
endif
let g:airline_fugitive_prefix = exists('g:airline_powerline_fonts')?'  ':' '
let g:airline_readonly_symbol = exists('g:airline_powerline_fonts')?'':'RO'
let g:airline_linecolumn_prefix = exists('g:airline_powerline_fonts')?' ':':'
let g:airline_theme = 'default'
set laststatus=2
let s:airline_colors_normal = g:airline#themes#{g:airline_theme}#normal
let s:airline_colors_insert = g:airline#themes#{g:airline_theme}#insert
let s:airline_colors_visual = g:airline#themes#{g:airline_theme}#visual
let s:airline_mode_map = {
\ 'n' : ' NORMAL ',
\ 'i' : ' INSERT ',
\ 'R' : ' RPLACE ',
\ 'v' : ' VISUAL ',
\ 'V' : ' V-LINE ',
\ 'c' : ' CMD ',
\ '' : ' V-BLCK ',
\ }
let s:airline_highlight_map = {
\ 'mode' : 'User2',
\ 'mode_seperator' : 'User3',
\ 'info' : 'User4',
\ 'info_seperator' : 'User5',
\ 'statusline' : 'StatusLine',
\ 'statusline_nc' : 'StatusLineNC',
\ 'file' : 'User6',
\ 'inactive' : 'User9',
\ }
function! s:highlight(mode, key)
let colors = s:airline_colors_{a:mode}[a:key]
let cmd = printf('hi %s %s %s %s %s %s %s',
\ s:airline_highlight_map[a:key],
\ colors[0] != '' ? 'guifg='.colors[0] : '',
\ colors[1] != '' ? 'guibg='.colors[1] : '',
\ colors[2] != '' ? 'ctermfg='.colors[2] : '',
\ colors[3] != '' ? 'ctermbg='.colors[3] : '',
\ colors[4] != '' ? 'gui='.colors[4] : '',
\ colors[4] != '' ? 'term='.colors[4] : '')
exec cmd
endfunction
function! s:update_statusline(active)
let l:mode_color = a:active ? "%2*" : "%9*"
let l:mode_sep_color = a:active ? "%3*" : "%9*"
let l:info_color = a:active ? "%4*" : "%9*"
let l:info_sep_color = a:active ? "%5*" : "%9*"
let l:status_color = a:active ? "%*" : "%9*"
let l:file_flag_color = a:active ? "%6*" : "%9*"
let sl = a:active ? l:mode_color."%{AirlineModePrefix()}".l:mode_sep_color : l:mode_color." NORMAL %9*"
let sl.="%{g:airline_left_sep}".l:info_color
let sl.="%{g:airline_enable_fugitive&&exists('g:loaded_fugitive')? g:airline_fugitive_prefix.fugitive#head():''}\ "
let sl.=l:info_sep_color."%{g:airline_left_sep}"
if a:active
let sl.=l:status_color."\ %{exists('g:bufferline_loaded')?bufferline#generate_string():'%f%m'}\ "
else
let sl.=" ".bufname(winbufnr(winnr()))
endif
let sl.="%#warningmsg#"
let sl.="%{g:airline_enable_syntastic&&exists('g:loaded_syntastic_plugin')?SyntasticStatuslineFlag():''}"
let sl.=l:status_color."%<%=".l:file_flag_color."%{&ro? g:airline_readonly_symbol :''}"
let sl.="%q%{&previewwindow?'[preview]':''}"
let sl.=l:status_color."\ %{strlen(&filetype)>0?&filetype:''}\ "
let sl.=l:info_sep_color."%{g:airline_right_sep}".l:info_color."\ "
let sl.="%{strlen(&fileencoding)>0?&fileencoding:''}"
let sl.="%{strlen(&fileformat)>0?'['.&fileformat.']':''}"
let sl.="\ ".l:mode_sep_color."%{g:airline_right_sep}"
let sl.=l:mode_color."\ %3p%%\ ".g:airline_linecolumn_prefix."%3l:%3c\ "
call setwinvar(winnr(), '&statusline', sl)
endfunction
function! AirlineModePrefix()
let l:mode = mode()
call <sid>highlight('normal', 'statusline')
call <sid>highlight('normal', 'statusline_nc')
call <sid>highlight('normal', 'inactive')
call <sid>highlight('normal', 'mode')
call <sid>highlight('normal', 'mode_seperator')
call <sid>highlight('normal', 'info')
call <sid>highlight('normal', 'info_seperator')
call <sid>highlight('normal', 'file')
if l:mode ==# "i" || l:mode ==# "R"
call <sid>highlight('insert', 'statusline')
call <sid>highlight('insert', 'mode')
call <sid>highlight('insert', 'mode_seperator')
call <sid>highlight('insert', 'info')
call <sid>highlight('insert', 'info_seperator')
elseif l:mode ==? "v" || l:mode ==# ""
call <sid>highlight('visual', 'statusline')
call <sid>highlight('visual', 'mode')
call <sid>highlight('visual', 'mode_seperator')
call <sid>highlight('visual', 'info')
call <sid>highlight('visual', 'info_seperator')
endif
if has_key(s:airline_mode_map, l:mode)
return s:airline_mode_map[l:mode]
endif
return l:mode
endfunction
" init colors on startup
call AirlineModePrefix()
augroup airline
au!
autocmd WinLeave * call <sid>update_statusline(0)
autocmd VimEnter,WinEnter,BufWinEnter * call <sid>update_statusline(1)
autocmd ColorScheme * hi clear StatusLine | hi clear StatusLineNC
augroup END