.vimrc

set nocompatible              " be iMproved, required
filetype off                  " required

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
" alternatively, pass a path where Vundle should install plugins
"call vundle#begin('~/some/path/here')

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

" The following are examples of different formats supported.
" Keep Plugin commands between vundle#begin/end.
" plugin on GitHub repo
" Plugin 'tpope/vim-fugitive'
" plugin from http://vim-scripts.org/vim/scripts.html
" Plugin 'L9'
" Git plugin not hosted on GitHub
" Plugin 'git://git.wincent.com/command-t.git'
" git repos on your local machine (i.e. when working on your own plugin)
" Plugin 'file:///home/gmarik/path/to/plugin'
" The sparkup vim script is in a subdirectory of this repo called vim.
" Pass the path to set the runtimepath properly.
" Plugin 'rstacruz/sparkup', {'rtp': 'vim/'}
" Install L9 and avoid a Naming conflict if you've already installed a
" different version somewhere else.
" Plugin 'ascenator/L9', {'name': 'newL9'}
Plugin 'bling/vim-airline'
Plugin 'vim-airline/vim-airline-themes'
Plugin 'morhetz/gruvbox'
Plugin 'scrooloose/nerdtree'
Plugin 'Xuyuanp/nerdtree-git-plugin'
Plugin 'scrooloose/syntastic'
Plugin 'airblade/vim-gitgutter'
Plugin 'fatih/vim-go'
Plugin 'Valloric/YouCompleteMe'
Plugin 'SirVer/ultisnips'
Plugin 'AndrewRadev/splitjoin.vim'
Plugin 'scrooloose/nerdcommenter'
Plugin 'ctrlpvim/ctrlp.vim'
Plugin 'myusuf3/numbers.vim'
Plugin 'mattn/webapi-vim'
Plugin 'mattn/gist-vim'
Plugin 'majutsushi/tagbar'

" All of your Plugins must be added before the following line
call vundle#end()            " required
filetype plugin indent on    " required
" To ignore plugin indent changes, instead use:
"filetype plugin on
"
" Brief help
" :PluginList       - lists configured plugins
" :PluginInstall    - installs plugins; append `!` to update or just :PluginUpdate
" :PluginSearch foo - searches for foo; append `!` to refresh local cache
" :PluginClean      - confirms removal of unused plugins; append `!` to auto-approve removal
"
" see :h vundle for more details or wiki for FAQ
" Put your non-Plugin stuff after this line

" General
syntax on
let mapleader=','
set showmode				" always show what mode we're currently editing in
"set nowrap				" don't wrap lines
set tabstop=2  				" a tab is four spaces
set backspace=indent,eol,start		" allow backspacing over everything in insert mode
set autoindent				" always set autoindenting on
set copyindent				" copy the previous indentation on autoindenting
set number    				" always show line numbers
set relativenumber
set shiftwidth=2			" number of spaces to use for autoindenting
set shiftround				" use multiple of shiftwidth when indenting with '<' and '>'
set showmatch				" set show matching parenthesis
set ignorecase				" ignore case when searching
set smartcase				" ignore case if search pattern is all lowercase, case-sensitive otherwise
set smarttab				" insert tabs on the start of a line according to shiftwidth, not tabstop
set hlsearch				" highlight search terms
set incsearch				" show search matches as you type
set history=1000			" remember more commands and search history
set undolevels=1000			" use many muchos levels of undo
set wildignore=*.swp,*.bak,*.pyc,*.class
set visualbell				" don't beep
set noerrorbells			" don't beep
set mouse=a						" enable mouse
set nobackup
set noswapfile
set spell							" enable spelling
set encoding=utf-8		" use utf-8
" check the current folder for tags file and keep going one directory up all the way to the root folder
set tags=tags;/

" Remember cursor position
augroup resCur
  autocmd!
  autocmd BufReadPost * call setpos(".", getpos("'\""))
augroup END

"split navigations
nnoremap <C-J> <C-W><C-J>
nnoremap <C-K> <C-W><C-K>
nnoremap <C-L> <C-W><C-L>
nnoremap <C-H> <C-W><C-H>


"""""""""""""""""""""""""""""""
" Plugin configuration
"""""""""""""""""""""""""""""""

" Airline
set laststatus=2

" Gruvbox
set background=dark
colorscheme gruvbox
" Makes the background transparent. Leave these out if you're not using a transparent
" terminal.
highlight Normal ctermbg=NONE guibg=NONE
highlight NonText ctermbg=NONE guibg=NONE

" NERDTree
" Start if no file is indicated
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif

" Syntastic
set statusline+=%#warningmsg#
set statusline+=%{SyntasticStatuslineFlag()}
set statusline+=%*

let g:syntastic_always_populate_loc_list = 1
let g:syntastic_auto_loc_list = 1
let g:syntastic_check_on_open = 0 " if = 1, weird character artifacts appear, shrug!
let g:syntastic_check_on_wq = 0

" Git-Gutter
set updatetime=100			" change refresh time from default 4 seconds

" NERDCommenter
" Add spaces after comment delimiters by default
let g:NERDSpaceDelims = 1
" Use compact syntax for prettified multi-line comments
let g:NERDCompactSexyComs = 1
" Allow commenting and inverting empty lines (useful when commenting a region)
let g:NERDCommentEmptyLines = 1
" Enable trimming of trailing whitespace when uncommenting
let g:NERDTrimTrailingWhitespace = 1
" Open NERDTree
map <C-n> :NERDTreeToggle<CR>
 
" vim-go
set autowrite
map <C-m> :cnext<CR>
map <C-p> :cprevious<CR>
nnoremap <leader>a :cclose<CR>

" run :GoBuild or :GoTestCompile based on the go file
function! s:build_go_files()
  let l:file = expand('%')
  if l:file =~# '^\f\+_test\.go$'
    call go#cmd#Test(0, 1)
  elseif l:file =~# '^\f\+\.go$'
    call go#cmd#Build(0)
  endif
endfunction

autocmd FileType go nmap <leader>b :<C-u>call <SID>build_go_files()<CR>
autocmd FileType go nmap <leader>r  <Plug>(go-run)
autocmd FileType go nmap <leader>t  <Plug>(go-test)
" go-info + show automatically by moving cursor
autocmd FileType go nmap <Leader>i <Plug>(go-info)
let g:go_auto_type_info = 1
" highlight matching identifiers
let g:go_auto_sameids = 1
" Make all error lists quickfix lists
" let g:go_list_type = "quickfix"
autocmd FileType go nmap <Leader>c <Plug>(go-coverage-toggle)
" use goimports instead of gofmt
let g:go_fmt_command = "goimports"
" enable highlights
let g:go_highlight_types = 1
let g:go_highlight_fields = 1
let g:go_highlight_functions = 1
let g:go_highlight_methods = 1
let g:go_highlight_operators = 1
let g:go_highlight_extra_types = 1
let g:go_highlight_build_constraints = 1
let g:go_highlight_generate_tags = 1

" UltiSnips
let g:UltiSnipsExpandTrigger = "<C-l>"

" numbers
let g:numbers_exclude = ['unite', 'tagbar', 'startify', 'gundo', 'vimshell', 'w3m', 'nerdtree']
nnoremap <F3> :NumbersToggle<CR>
nnoremap <F4> :NumbersOnOff<CR>

" YouCompleteMe
let g:ycm_python_binary_path = 'python'
let g:ycm_autoclose_preview_window_after_completion=1

" tagbar
nmap <F8> :TagbarToggle<CR>

"""""""""""""""""""""""""""""""
" Language configuration
"""""""""""""""""""""""""""""""

"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