config.vim

" General {
  syntax on                  " syntax highlighting
  filetype plugin indent on  " automatically detect file types
  set mouse=a                " automatically enable mouse usage
  set mousehide              " hide the mouse cursor while typing
  set encoding=utf-8
  scriptencoding utf-8
  set fileencodings=utf-8,ucs-bom,gb18030,gbk,gb2312,cp936

  if has ('x') && has ('gui') " on Linux use + register for copy-paste
    set clipboard=unnamedplus
  elseif has ('gui') " one mac and windows, use * register for copy-paste
    set clipboard=unnamed
  endif

  set shortmess+=filmnrxoOtT      " abbrev. of messages (avoids 'hit enter')
  set viewoptions=folds,options,cursor,unix,slash " better unix / windows compatibility
  set virtualedit=onemore         " allow for cursor beyond last character
  set history=800                 " Store a ton of history (default is 20)
  set hidden                      " allow buffer switching without saving
  "set autochdir                  " change directory to the current window

  set backup
  set backupdir=~/.vim/.backup
  set directory=~/.vim/.tmp
  " Persistent Undo
  set undofile
  set undodir=~/.vim/.undo

" }

" Formatting {
  set nowrap                      " wrap long lines
  set autoindent                  " indent at the same level of the previous line
  set expandtab                   " tabs are spaces, not tabs
  set shiftwidth=4                " use indents of 2 spaces
  set tabstop=4                   " an indentation every two columns
  set softtabstop=4               " let backspace delete indent
  set diffopt+=iwhite,vertical    " ignore the difference of indents
  set matchpairs=(:),{:},[:],<:>
  set foldmethod=marker
  set colorcolumn=80

  " Remove trailing whitespaces and ^M chars
  autocmd BufWritePre <buffer> call StripTrailingWhitespace()
  autocmd FileType python setlocal expandtab shiftwidth=4 tabstop=4 softtabstop=4
" }


" UI {
  set tabpagemax=15
  set background=dark

  if has('gui_macvim')
    colorscheme gruvbox
  else
    let g:solarized_termcolors=256
    colorscheme gruvbox
	  "colorscheme molokai
  endif

  let g:solarized_termtrans=1
  let g:solarized_contrast='high'
  let g:solarized_visibility='high'

  if has('cmdline_info')
    set ruler                   " show the ruler
    set rulerformat=%30(%=\:b%n%y%m%r%w\ %l,%c%V\ %P%) " a ruler on steroids
    set showcmd                 " show partial commands in status line and
                                " selected characters/lines in visual mode
  endif

  if has('statusline')
    set laststatus=2
  endif

  "set rnu                         " relative line number
  set nu
  set numberwidth=4               " set the width of line number gutter column
  set linespace=2                 " set spaces between rows
  set ignorecase                  " case insensitive search
  set backspace=indent,eol,start  " backspace for dummies
  set smartcase                   " case sensitive when uc present
  set showmatch                   " show matching brackets/parenthesis
  set hlsearch                    " highlight search terms
  set incsearch                   " find as you type search
  set wildmenu                    " show list instead of just completing
  set wildmode=list:longest,full  " command <Tab> completion, list matches, then longest common part, then all
  set whichwrap=b,s,h,l,<,>,[,]   " backspace and cursor keys wrap to
  set scrolljump=5                " lines to scroll when cursor leaves screen
  set scrolloff=3                 " minimum lines to keep above and below cursor
  set foldenable                  " auto fold code
  set cursorline                  " highlight current line
  set anti                        " make text pretty
" }

" GUI Settings {
  if has("gui_running") || has("gui_macvim")
    set guioptions-=T           " remove the MacVim's toolbar
    if has('gui_macvim')
      set transparency=5        " Make the window slightly transparent
    endif

    if has("gui_gtk2")
      set guifont=menlo\ 15,Consolas\ 13
    else
      set guifont=menlo:h15,Consolas:h13
    endif
  endif
" }

" Key Mapping {
  let mapleader = ","
  let g:mapleader = ","

  " Code folding options
  nmap <leader>f0 :set foldlevel=0<CR>
  nmap <leader>f1 :set foldlevel=1<CR>
  nmap <leader>f2 :set foldlevel=2<CR>
  nmap <leader>f3 :set foldlevel=3<CR>
  nmap <leader>f4 :set foldlevel=4<CR>
  nmap <leader>f5 :set foldlevel=5<CR>
  nmap <leader>f6 :set foldlevel=6<CR>
  nmap <leader>f7 :set foldlevel=7<CR>
  nmap <leader>f8 :set foldlevel=8<CR>
  nmap <leader>f9 :set foldlevel=9<CR>

  " Easy indent for code blocks
  nmap <tab>    v>
  nmap <s-tab>  v<
  vmap <tab>    >gv
  vmap <s-tab>  <gv

  nnoremap / /\v
  vnoremap / /\v

  " clearing highlighted search
  nmap <silent> <leader><space> :nohlsearch<CR>

  " toggle between relative and absolute numbering
  nnoremap <F3> :NumbersToggle<CR>
" }

" file automatic header {
" http://blog.csdn.net/orangleliu/article/details/41902851
"
  autocmd BufNewFile *.js 0r ~/.vim/vim_template/vim_js_header
  autocmd BufNewFile *.js ks|call FileName()|'s

  fun FileName()
    if line("$") > 10
        let l = 10  "这里是字母L 不是数字1
    else
        let l = line("$")
    endif
    exe "1," . l . "g/@file.*/s/@file.*/@file " .expand("%")
       "最前面是数字1，这里的File Name: 要和模板中一致
  endfun

" }