set nocompatible
filetype off

set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

Plugin 'VundleVim/Vundle.vim'
Plugin 'scrooloose/nerdtree'
Plugin 'vim-airline/vim-airline'
Plugin 'vim-airline/vim-airline-themes'

call vundle#end()
filetype plugin indent on

" 编码
set fileencoding=utf-8

" 显示行号
set number

" 语法高亮
syntax on

" 键入<Tab>时使用空格，<Tab>在文件中使用4个空格，编辑时<Tab>使用的空格数，自动缩进4个空格
set expandtab
set tabstop=4
set softtabstop=4
set shiftwidth=4

" 不要换行
set nowrap

" 搜索匹配后高亮匹配字符，逐字符高亮匹配结果
set hlsearch
set incsearch

" 自动启动NERDTree
" autocmd vimenter * NERDTree
map <F1> :NERDTreeToggle<CR>
" vim打开文件夹时运行NERDTree
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | endif

" NERDTree选项，显示隐藏文件，显示宽度，忽略后缀匹配的文件
let NERDTreeShowHidden=1
" let NERDTreeWinSize=25
let NERDTreeIgnore=['\.pyc','\~$','\.swp']
" 当NERDTree为剩下的唯一窗口时自动关闭
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

" vim-airline
let g:airline#extensions#tabline#enabled=1
let g:airline#extensions#tabline#buffer_nr_show=1

" map for tab 多标签
"
map tn :tabn<CR>
map tp :tabp<CR>
map tm :tabm
map te :tabe
map tt :tabnew
map tc :tabc<CR>
map ts :tabsplit
" map tl :tabl
" map tf :tabf