_vimrc

"-----vim-plug------
" https://github.com/junegunn/vim-plug
call plug#begin('~/.vim/plugged')
" Make sure you use single quotes

" Shorthand notation; fetches https://github.com/junegunn/vim-easy-align
Plug 'junegunn/vim-easy-align'

" Any valid git URL is allowed
Plug 'https://github.com/junegunn/vim-github-dashboard.git'

" Multiple Plug commands can be written in a single line using | separators
Plug 'SirVer/ultisnips' | Plug 'honza/vim-snippets'

" On-demand loading
Plug 'scrooloose/nerdtree', { 'on':  'NERDTreeToggle' }
Plug 'tpope/vim-fireplace', { 'for': 'clojure' }

" Using a non-default branch
Plug 'rdnetto/YCM-Generator', { 'branch': 'stable' }

" Using a tagged release; wildcard allowed (requires git 1.9.2 or above)
Plug 'fatih/vim-go', { 'tag': '*' }

" Plugin options
Plug 'nsf/gocode', { 'tag': 'v.20150303', 'rtp': 'vim' }

" Plugin outside ~/.vim/plugged with post-update hook
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }

" Unmanaged plugin (manually installed and updated)
Plug '~/my-prototype-plugin'

" Use vim-arline
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'

" Initialize plugin system
call plug#end()
"------------------


"-----NERDTree-----
" https://github.com/preservim/nerdtree
nnoremap <leader>n :NERDTreeFocus<CR>
nnoremap <C-n> :NERDTree<CR>
nnoremap <C-y> :NERDTreeToggle<CR>
nnoremap <C-f> :NERDTreeFind<CR>
let NERDTreeShowHidden = 1
" Start NERDTree. If a file is specified, move the cursor to its window.
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * NERDTree | if argc() > 0 || exists("s:std_in") | wincmd p | endif
"------------------


"-----airline-----
" https://github.com/vim-airline/vim-airline
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#buffer_idx_mode = 1 
let g:airline#extensions#tabline#buffer_idx_format = {
  \ '0': '0 ',
  \ '1': '1 ',
  \ '2': '2 ',
  \ '3': '3 ',
  \ '4': '4 ',
  \ '5': '5 ',
  \ '6': '6 ',
  \ '7': '7 ',
  \ '8': '8 ',
  \ '9': '9 '
\}
" let g:airline_theme='distinguished'
let g:airline_theme='papercolor'
nmap <C-p> <Plug>AirlineSelectPrevTab
nmap <C-n> <Plug>AirlineSelectNextTab
"-----------------


syntax enable
set nu