Merge pull request #166 from itchyny/paste_symbol

paste mark is now a member of extensions

autoload/airline.vim

@@ -49,8 +49,7 @@ function! airline#get_statusline(winnr, active)
   let builder = airline#builder#new(a:active, s:highlighter)
 
   if airline#util#getwinvar(a:winnr, 'airline_render_left', a:active || (!a:active && !g:airline_inactive_collapse))
-    call builder.add_section('airline_a', s:get_section(a:winnr, 'a')
-          \ .'%{g:airline_detect_paste && &paste ? g:airline_paste_symbol." " : ""}')
+    call builder.add_section('airline_a', s:get_section(a:winnr, 'a'))
     call builder.add_section('airline_b', s:get_section(a:winnr, 'b'))
     call builder.add_section('airline_c', '%<'.s:get_section(a:winnr, 'c'))
   else

autoload/airline/extensions.vim

@@ -173,6 +173,10 @@ function! airline#extensions#load()
     call airline#extensions#readonly#init()
   endif
 
+  if (get(g:, 'airline#extensions#paste#enabled', 1) && get(g:, 'airline_detect_paste', 1))
+    call airline#extensions#paste#init()
+  endif
+
   if g:airline_detect_iminsert
     call airline#extensions#iminsert#init()
   endif

autoload/airline/extensions/paste.vim

@@ -0,0 +1,14 @@
+" MIT License. Copyright (c) 2013 Bailey Ling.
+" vim: et ts=2 sts=2 sw=2
+
+let s:symbol = get(g:, 'airline#extensions#paste#symbol',
+      \ get(g:, 'airline_paste_symbol', ''))
+
+function! airline#extensions#paste#get_mark()
+  return &paste ? '  ' . s:symbol : ''
+endfunction
+
+function! airline#extensions#paste#init()
+  let g:airline_section_a .= '%{airline#extensions#paste#get_mark()}'
+endfunction
+