vim-airline/autoload/airline.vim

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" MIT License. Copyright (c) 2013 Bailey Ling.
" vim: et ts=2 sts=2 sw=2
let g:airline_statusline_funcrefs = get(g:, 'airline_statusline_funcrefs', [])
let s:sections = ['a','b','c','gutter','x','y','z','warning']
let s:inactive_funcrefs = []
function! airline#add_statusline_func(name)
call airline#add_statusline_funcref(function(a:name))
endfunction
function! airline#add_statusline_funcref(function)
call add(g:airline_statusline_funcrefs, a:function)
endfunction
function! airline#remove_statusline_func(name)
let i = index(g:airline_statusline_funcrefs, function(a:name))
if i > -1
call remove(g:airline_statusline_funcrefs, i)
endif
endfunction
function! airline#add_inactive_statusline_func(name)
call add(s:inactive_funcrefs, function(a:name))
endfunction
function! airline#load_theme()
call airline#highlighter#load_theme()
call airline#extensions#load_theme()
endfunction
function! airline#switch_theme(name)
let g:airline_theme = a:name
let palette = g:airline#themes#{g:airline_theme}#palette "also lazy loads the theme
call airline#themes#patch(palette)
if exists('g:airline_theme_patch_func')
let Fn = function(g:airline_theme_patch_func)
call Fn(palette)
endif
let w:airline_lastmode = ''
call airline#update_statusline()
call airline#load_theme()
endfunction
function! airline#switch_matching_theme()
if exists('g:colors_name')
try
let palette = g:airline#themes#{g:colors_name}#palette
call airline#switch_theme(g:colors_name)
return 1
catch
for map in items(g:airline_theme_map)
if match(g:colors_name, map[0]) > -1
call airline#switch_theme(map[1])
return 1
endif
endfor
endtry
endif
return 0
endfunction
function! airline#update_statusline()
for nr in filter(range(1, winnr('$')), 'v:val != winnr()')
call setwinvar(nr, 'airline_active', 0)
let context = { 'winnr': nr, 'active': 0 }
call s:invoke_funcrefs(context, s:inactive_funcrefs)
endfor
unlet! w:airline_render_left
unlet! w:airline_render_right
for section in s:sections
unlet! w:airline_section_{section}
endfor
let w:airline_active = 1
let context = { 'winnr': winnr(), 'active': 1 }
call s:invoke_funcrefs(context, g:airline_statusline_funcrefs)
endfunction
let s:contexts = {}
let s:core_funcrefs = [
\ function('airline#extensions#apply'),
\ function('airline#extensions#default#apply') ]
function! s:invoke_funcrefs(context, funcrefs)
let builder = airline#builder#new(a:context)
let err = airline#util#exec_funcrefs(a:funcrefs + s:core_funcrefs, builder, a:context)
if err == 1
let a:context.line = builder.build()
let s:contexts[a:context.winnr] = a:context
call setwinvar(a:context.winnr, '&statusline', '%!airline#statusline('.a:context.winnr.')')
endif
endfunction
function! airline#statusline(winnr)
return '%{airline#check_mode()}'.s:contexts[a:winnr].line
endfunction
function! airline#check_mode()
if get(w:, 'airline_active', 1)
let l:m = mode()
if l:m ==# "i"
let l:mode = ['insert']
elseif l:m ==# "R"
let l:mode = ['replace']
elseif l:m =~# '\v(v|V||s|S|)'
let l:mode = ['visual']
else
let l:mode = ['normal']
endif
let w:airline_current_mode = get(g:airline_mode_map, l:m, l:m)
else
let l:mode = ['inactive']
let w:airline_current_mode = get(g:airline_mode_map, '__')
endif
if g:airline_detect_modified && &modified
call add(l:mode, 'modified')
endif
if g:airline_detect_paste && &paste
call add(l:mode, 'paste')
endif
let mode_string = join(l:mode)
if get(w:, 'airline_lastmode', '') != mode_string
call airline#highlighter#highlight(l:mode)
let w:airline_lastmode = mode_string
endif
return ''
endfunction