.vimrc

set nocompatible              " 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 'gmarik/Vundle.vim'

" Add all your plugins here (note older versions of Vundle used Bundle instead of Plugin)

Plugin 'tmhedberg/SimpylFold'
Plugin 'vim-scripts/indentpython.vim'
Bundle 'Valloric/YouCompleteMe'
Plugin 'scrooloose/syntastic'
Plugin 'scrooloose/nerdcommenter'
Plugin 'nvie/vim-flake8'
Plugin 'jnurmine/Zenburn'
Plugin 'altercation/vim-colors-solarized'
Plugin 'scrooloose/nerdtree'
Plugin 'jistr/vim-nerdtree-tabs'
Plugin 'kien/ctrlp.vim'
Plugin 'tpope/vim-fugitive'
Plugin 'powerline/powerline', {'rtp': 'powerline/bindings/vim/'}
Plugin 'xolox/vim-misc'
Plugin 'xolox/vim-easytags'
Plugin 'JamshedVesuna/vim-markdown-preview'

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

" Powerline customisations
set laststatus=2 " Always display the statusline in all windows
set showtabline=2 " Always display the tabline, even if there is only one tab
set noshowmode " Hide the default mode text (e.g. -- INSERT -- below the statusline)

"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>

" Enable folding
set foldmethod=indent
set foldlevel=99

" Enable folding with the spacebar
nnoremap <space> za

" PEP-8 formatting
" This will give you the standard four spaces when you hit tab,
" ensure your line length doesn’t go beyond 80 characters, 
" and store the file in a unix format so you don’t get a bunch of 
" conversion issues when checking into GitHub and/or sharing with other users.
au BufNewFile,BufRead *.py
    \ set tabstop=4     |
    \ set softtabstop=4 |
    \ set shiftwidth=4  |
    \ set textwidth=79  |
    \ set expandtab     |
    \ set autoindent    |
    \ set fileformat=unix|

" Flag whitespace
highlight BadWhitespace ctermbg=red guibg=darkred
au BufRead,BufNewFile *.py,*.pyw,*.c,*.h match BadWhitespace /\s\+$/

set encoding=utf-8

" You-Complete-Me settings for autocomplete
"
" Ensures that the autocomplete window goes away when you’re done with it
let g:ycm_autoclose_preview_window_after_completion=1
" Defines a shortcut for goto definition
map <leader>g  :YcmCompleter GoToDefinitionElseDeclaration<CR>

" python with virtualenv support
" determines if you are running inside a virtualenv, and then switches to that
" specific virtualenv and sets up your system path so that YouCompleteMe will
" find the appropriate site packages
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

" Make your code look pretty
let python_highlight_all=1
syntax on

if has('gui_running') " 'gui_running' is set, for instance, when you execute GVim
  set background=dark
  colorscheme solarized
else
  set t_Co=256
  set background=dark
  colorscheme zenburn
endif

" Switch between Light and Dark themes of Solarized
call togglebg#map("<F5>")

let NERDTreeIgnore=['\.pyc$', '\~$'] "ignore files in NERDTree

" Line numbering
set nu
" JSON pretty-print - the leader key is backslash ('\') by default
map <leader>J :%!python -m json.tool

" Where to look for the `tags` database; for `Go To Definition` with ctags
let g:easytags_file = '~/.vim/tags'
let g:easytags_on_cursorhold=0
let g:easytags_auto_update=0
let g:easytags_auto_highlight=0

" GitHub-flavoured MarkDown (mostly for my GitHub repos)
" Uses Python Grip, which makes a request to GitHub's API and may require auth.
let vim_markdown_preview_github=0
let vim_markdown_preview_hotkey='C-a'
let vim_markdown_preview_browser='firefox'

let g:easytags_async=1