.vimrc

"
" A (not so) minimal vimrc.
"You want Vim, not vi. When Vim finds a vimrc, 'nocompatible' is set anyway.
" We set it explicitely to make our position clear!
"
set nocompatible

filetype plugin indent on  " Load plugins according to detected filetype.
syntax on                  " Enable syntax highlighting.

set autoindent             " Indent according to previous line.
set expandtab              " Use spaces instead of tabs.
set softtabstop=4         " Tab key indents by 4 spaces.
set shiftwidth=4         " >> indents by 4 spaces.
set shiftround             " >> indents to next multiple of 'shiftwidth'.

set backspace=indent,eol,start  " Make backspace work as you would expect.
set hidden                 " Switch between buffers without having to save first.
set laststatus=2         " Always show statusline.
set display=lastline  " Show as much as possible of the last line.

set showmode               " Show current mode in command-line.
set showcmd                " Show already typed keys when more are expected.

set incsearch              " Highlight while searching with / or ?.
set hlsearch               " Keep matches highlighted.

set ttyfast                " Faster redrawing.
set lazyredraw             " Only redraw when necessary.

set splitbelow             " Open new windows below the current window.
set splitright             " Open new windows right of the current window.

set cursorline             " Find the current line quickly.
set wrapscan               " Searches wrap around end-of-file.
set report=0         " Always report changed lines.
set synmaxcol=200       " Only highlight the first 200 columns.
set nu                     " number of line
set list                   " Show non-printable characters.

set wildmenu               " Visual autocomplete for command menu
set showmatch              " Highlight matching [{()}]
set hlsearch               " Highlight matches

let mapleader=","          " Leader is comma
" Turn off search highlight
nnoremap <leader><space> :nohlsearch<CR>
" Save session
nnoremap <leader>s :mksession<CR>


if has('multi_byte') && &encoding ==# 'utf-8'
  let &listchars = 'tab:▸ ,extends:❯,precedes:❮,nbsp:±'
else
  let &listchars = 'tab:> ,extends:>,precedes:<,nbsp:.'
endif

" The fish shell is not very compatible to other shells and unexpectedly
" breaks things that use 'shell'.
if &shell =~# 'fish$'
  set shell=/bin/bash
endif

" Put all temporary files under the same directory.
" https://github.com/mhinz/vim-galore#handling-backup-swap-undo-and-viminfo-files
set backup
set backupdir=$HOME/.vim/files/backup/
set backupext=-vimbackup
"set backupskip=
set updatecount=100
set undofile
set undodir=$HOME/.vim/files/undo/
set viminfo='100,n$HOME/.vim/files/info/viminfo
set directory=$HOME/.vim/files/swap/

" Plugins
if empty(glob('~/.vim/autoload/plug.vim'))
  silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
endif

call plug#begin('~/.vim/plugged')

Plug 'https://github.com/altercation/Vim-colors-solarized'
Plug 'preservim/nerdtree'
Plug 'https://github.com/morhetz/gruvbox'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'

call plug#end()

" Color
colorscheme gruvbox 
set bg=dark

"F2开启和关闭树"
map <F2> :NERDTreeToggle<CR>
let NERDTreeChDirMode=1
"显示书签"
let NERDTreeShowBookmarks=1
"设置忽略文件类型"
let NERDTreeIgnore=['\~$', '\.pyc$', '\.swp$']
"窗口大小"
let NERDTreeWinSize=25

" Airline
let g:airline_powerline_fonts=1
if !exists('g:airline_symbols')
let g:airline_symbols = {}
endif
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#branch#enabled  = 1
let g:airline#extensions#branch#displayed_head_limit = 10

let g:airline_left_sep = ''
let g:airline_left_alt_sep = ''
let g:airline_right_sep = ''
let g:airline_right_alt_sep = ''
let g:airline_symbols.branch = ''
let g:airline_symbols.readonly = ''
let g:airline_symbols.linenr = '☰'
let g:airline_symbols.maxlinenr = ''
let g:airline_symbols.dirty='⚡'

let g:airline_theme='bubblegum'