1 files changed, 58 insertions, 0 deletions
diff --git a/.vim/autoload/airline/extensions/tagbar.vim b/.vim/autoload/airline/extensions/tagbar.vim
new file mode 100644
index 0000000..5db53ee
--- /dev/null
+++ b/.vim/autoload/airline/extensions/tagbar.vim
@@ -0,0 +1,58 @@
+" MIT License. Copyright (c) 2013-2018 Bailey Ling et al.
+" vim: et ts=2 sts=2 sw=2
+
+scriptencoding utf-8
+
+if !exists(':TagbarToggle')
+  finish
+endif
+
+let s:flags = get(g:, 'airline#extensions#tagbar#flags', '')
+let s:spc = g:airline_symbols.space
+let s:init=0
+
+" Arguments: current, sort, fname
+function! airline#extensions#tagbar#get_status(...)
+  let builder = airline#builder#new({ 'active': a:1 })
+  call builder.add_section('airline_a', s:spc.'Tagbar'.s:spc)
+  call builder.add_section('airline_b', s:spc.a:2.s:spc)
+  call builder.add_section('airline_c', s:spc.a:3.s:spc)
+  return builder.build()
+endfunction
+
+function! airline#extensions#tagbar#inactive_apply(...)
+  if getwinvar(a:2.winnr, '&filetype') == 'tagbar'
+    return -1
+  endif
+endfunction
+
+let s:airline_tagbar_last_lookup_time = 0
+let s:airline_tagbar_last_lookup_val = ''
+function! airline#extensions#tagbar#currenttag()
+  if get(w:, 'airline_active', 0)
+    if !s:init
+      try
+        " try to load the plugin, if filetypes are disabled,
+        " this will cause an error, so try only once
+        let a=tagbar#currenttag('%', '', '')
+      catch
+      endtry
+      unlet! a
+      let s:init=1
+    endif
+    " function tagbar#currenttag does not exist, if filetype is not enabled
+    if s:airline_tagbar_last_lookup_time != localtime() && exists("*tagbar#currenttag")
+      let s:airline_tagbar_last_lookup_val = tagbar#currenttag('%s', '', s:flags)
+      let s:airline_tagbar_last_lookup_time = localtime()
+    endif
+    return s:airline_tagbar_last_lookup_val
+  endif
+  return ''
+endfunction
+
+function! airline#extensions#tagbar#init(ext)
+  call a:ext.add_inactive_statusline_func('airline#extensions#tagbar#inactive_apply')
+  let g:tagbar_status_func = 'airline#extensions#tagbar#get_status'
+
+  call airline#parts#define_function('tagbar', 'airline#extensions#tagbar#currenttag')
+endfunction