vimrc

" Author: Leasunhy <leasunhy@gmail.com>
"
" To Initialize: 
" :PluginInstall    - installs plugins; append `!` to update or just :PluginUpdate
"

set nocompatible

" [Vundle]

filetype off

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'

" Keep Plugin commands between vundle#begin/end.
Plugin 'vim-airline/vim-airline'
Plugin 'vim-airline/vim-airline-themes'
Plugin 'kien/ctrlp.vim'
Plugin 'scrooloose/nerdtree'
Plugin 'scrooloose/nerdcommenter'
Plugin 'derekwyatt/vim-scala'
Plugin 'tpope/vim-surround'
Plugin 'Valloric/YouCompleteMe'
"Plugin 'jiangmiao/auto-pairs'
Plugin 'raimondi/delimitmate'
Plugin 'christoomey/vim-tmux-navigator'
Plugin 'altercation/vim-colors-solarized'
Plugin 'chriskempson/vim-tomorrow-theme'
Plugin 'octol/vim-cpp-enhanced-highlight'
Plugin 'terryma/vim-multiple-cursors'
Plugin 'sirver/ultisnips'
Plugin 'honza/vim-snippets'
Plugin 'ervandew/supertab'


" All of your Plugins must be added before the following line
call vundle#end()            " required
filetype plugin indent on    " required


" [Common]: from vimrc.example
" allow backspacing over everything in insert mode
set backspace=indent,eol,start

if has("vms")
  set nobackup		" do not keep a backup file, use versions instead
else
  set backup		" keep a backup file (restore to previous version)
  set undofile		" keep an undo file (undo changes after closing)
endif
set history=50		" keep 50 lines of command line history
set ruler		" show the cursor position all the time
set showcmd		" display incomplete commands
set incsearch		" do incremental searching

" For Win32 GUI: remove 't' flag from 'guioptions': no tearoff menu entries
" let &guioptions = substitute(&guioptions, "t", "", "g")

" Don't use Ex mode, use Q for formatting
map Q gq

" CTRL-U in insert mode deletes a lot.  Use CTRL-G u to first break undo,
" so that you can undo CTRL-U after inserting a line break.
inoremap <C-U> <C-G>u<C-U>

" In many terminal emulators the mouse works just fine, thus enable it.
if has('mouse')
  set mouse=a
endif

" Switch syntax highlighting on, when the terminal has colors
" Also switch on highlighting the last used search pattern.
if &t_Co > 2 || has("gui_running")
  syntax on
  set hlsearch
endif

" Only do this part when compiled with support for autocommands.
if has("autocmd")

  " Enable file type detection.
  " Use the default filetype settings, so that mail gets 'tw' set to 72,
  " 'cindent' is on in C files, etc.
  " Also load indent files, to automatically do language-dependent indenting.
  filetype plugin indent on

  " Put these in an autocmd group, so that we can delete them easily.
  augroup vimrcEx
  au!

  " For all text files set 'textwidth' to 78 characters.
  autocmd FileType text setlocal textwidth=78

  " When editing a file, always jump to the last known cursor position.
  " Don't do it when the position is invalid or when inside an event handler
  " (happens when dropping a file on gvim).
  " Also don't do it when the mark is in the first line, that is the default
  " position when opening a file.
  autocmd BufReadPost *
    \ if line("'\"") > 1 && line("'\"") <= line("$") |
    \   exe "normal! g`\"" |
    \ endif

  augroup END

else

  set autoindent		" always set autoindenting on

endif " has("autocmd")

" Convenient command to see the difference between the current buffer and the
" file it was loaded from, thus the changes you made.
" Only define it when not defined already.
if !exists(":DiffOrig")
  command DiffOrig vert new | set bt=nofile | r ++edit # | 0d_ | diffthis
		  \ | wincmd p | diffthis
endif

" [styles]
set t_Co=256
set background=dark
colo solarized
" colo Tomorrow-Night-Bright
set nu
set ts=4
set softtabstop=4
set shiftwidth=4
set autoindent
set cindent
set hlsearch
set expandtab

" adjust indentations of C++ scope declarations
set cinoptions+=g0.5s
set cinoptions+=h0.5s

set ttimeoutlen=50

" [Airline]
set laststatus=2
set noshowmode
"let g:airline_left_sep=''
"let g:airline_right_sep=''
let g:airline_powerline_fonts = 1
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#whitespace#enabled = 1
let g:airline_theme = 'powerlineish'

" [Syntastic]
let g:syntastic_cpp_compiler_options = '-std=c++11'

" [NERDTree]
map <C-m> :NERDTreeToggle<CR>
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTreeType") && b:NERDTreeType == "primary") | q | endif

" [YCM]
" don't show the preview window
let g:ycm_add_preview_to_completeopt=0
let g:ycm_global_ycm_extra_conf='~/.ycm_extra_conf.py'
set completeopt-=preview
" python with virtualenv support
py << EOF
import os
import sys
if 'VIRTUAL_ENV' in os.environ:
  project_base_dir = os.environ['VIRTUAL_ENV']
  activate_this = os.path.join(project_base_dir, 'bin/activate_this.py')
  execfile(activate_this, dict(__file__=activate_this))
EOF

" [CtrlP]
let g:ctrlp_match_window_reversed = 0

" [Key bindings]
let mapleader=","

nmap <tab> V>
nmap <s-tab> V<
vmap <tab> >gv
vmap <s-tab> <gv

nnoremap ： :
cnoremap Q! q!
command Wq wq
command Q q
command WQ wq

" map <leader>jd to YCM's "jump to definition"
nnoremap <leader>jd :YcmCompleter GoTo<CR>

" [delimitMate]
let delimitMate_expand_cr = 1
let delimitMate_excluded_regions = ""

" make YCM compatible with UltiSnips (using supertab)
let g:ycm_key_list_select_completion = ['<C-n>', '<Down>']
let g:ycm_key_list_previous_completion = ['<C-p>', '<Up>']
let g:SuperTabDefaultCompletionType = '<C-n>'

" better key bindings for UltiSnipsExpandTrigger
let g:UltiSnipsExpandTrigger = "<tab>"
let g:UltiSnipsJumpForwardTrigger = "<tab>"
let g:UltiSnipsJumpBackwardTrigger = "<s-tab>"

" map kj to <Esc> in insert mode
:imap kj <Esc>