My VIM config file

.vimrc

"*****************************************************************************
"" Vim-PLug core
"*****************************************************************************
if has('vim_starting')
  set nocompatible               " Be iMproved
endif

let vimplug_exists=expand('~/.vim/autoload/plug.vim')

let g:vim_bootstrap_langs = "javascript,python"
let g:vim_bootstrap_editor = "vim"				" nvim or vim

if !filereadable(vimplug_exists)
  echo "Installing Vim-Plug..."
  echo ""
  silent !\curl -fLo ~/.vim/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
  let g:not_finish_vimplug = "yes"

  " Run shell script if exist on custom select language

  autocmd VimEnter * PlugInstall
endif

" Required:
call plug#begin(expand('~/.vim/plugged'))

"*****************************************************************************
"" Plug install packages
"*****************************************************************************
Plug 'scrooloose/nerdtree'
Plug 'jistr/vim-nerdtree-tabs'
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-fugitive'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'airblade/vim-gitgutter'
Plug 'sheerun/vim-polyglot'
Plug 'vim-scripts/grep.vim'
Plug 'vim-scripts/CSApprox'
Plug 'bronson/vim-trailing-whitespace'
Plug 'Raimondi/delimitMate'
Plug 'majutsushi/tagbar'
Plug 'scrooloose/syntastic'
Plug 'Yggdroot/indentLine'
Plug 'avelino/vim-bootstrap-updater'
Plug 'ervandew/supertab'
Plug 'mattn/emmet-vim'
Plug 'tmhedberg/SimpylFold'

let g:make = 'gmake'
if system('uname -o') =~ '^GNU/'
        let g:make = 'make'
endif
Plug 'Shougo/vimproc.vim', {'do': g:make}

"" Vim-Session
Plug 'xolox/vim-misc'
Plug 'xolox/vim-session'

if v:version >= 703
  Plug 'Shougo/vimshell.vim'
endif

if v:version >= 704
  "" Snippets
  Plug 'SirVer/ultisnips'
  Plug 'FelikZ/ctrlp-py-matcher'
endif

Plug 'honza/vim-snippets'

"" Color
Plug 'tomasr/molokai'

"" Custom bundles
"" Python Bundle
Plug 'davidhalter/jedi-vim'

"" Javascript Bundle
Plug 'jelera/vim-javascript-syntax'
Plug 'pangloss/vim-javascript'
Plug 'ternjs/tern_for_vim'

"" Include user's extra bundle
if filereadable(expand("~/.vimrc.local.bundles"))
  source ~/.vimrc.local.bundles
endif

call plug#end()

" Required:
filetype plugin indent on


"*****************************************************************************
"" Basic Setup
"*****************************************************************************"
"" Encoding
set encoding=utf-8
set fileencoding=utf-8
set fileencodings=utf-8

"" Fix backspace indent
set backspace=indent,eol,start

"" Tabs. May be overriten by autocmd rules
set tabstop=4
set softtabstop=0
set shiftwidth=4
set expandtab

"" Map leader to ,
let mapleader=','

"" Enable hidden buffers
set hidden

"" Searching
set hlsearch
set incsearch
set ignorecase
set smartcase

"" Encoding
set bomb
set binary
set ttyfast

"" Directories for swp files
set nobackup
set noswapfile

set fileformats=unix,dos,mac
set showcmd
set shell=/bin/sh

" session management
let g:session_directory = "~/.vim/session"
let g:session_autoload = "no"
let g:session_autosave = "no"
let g:session_command_aliases = 1

"*****************************************************************************
"" Visual Settings
"*****************************************************************************
syntax on
set ruler
set number
set cursorline

set foldenable
set foldlevelstart=10
set foldnestmax=10
set foldmethod=indent
nnoremap <space> za

let no_buffers_menu=1
if !exists('g:not_finish_vimplug')
  colorscheme molokai
endif

set mousemodel=popup
set t_Co=256
set guioptions=egmrti
set gfn=Monospace\ 10

if has("gui_running")
  if has("gui_mac") || has("gui_macvim")
    set guifont=Menlo:h12
    set transparency=7
  endif
else
  let g:CSApprox_loaded = 1

  " IndentLine
  let g:indentLine_enabled = 1
  let g:indentLine_concealcursor = 0
  let g:indentLine_char = '┆'
  let g:indentLine_faster = 1


  if $COLORTERM == 'gnome-terminal'
    set term=gnome-256color
  else
    if $TERM == 'xterm'
      set term=xterm-256color
    endif
  endif

endif

if &term =~ '256color'
  set t_ut=
endif

"" Disable the blinking cursor.
set gcr=a:blinkon0
set scrolloff=3


"" Status bar
set laststatus=2

"" Use modeline overrides
set modeline
set modelines=10

set title
set titleold="Terminal"
set titlestring=%F

set statusline=%F%m%r%h%w%=(%{&ff}/%Y)\ (line\ %l\/%L,\ col\ %c)\

if exists("*fugitive#statusline")
  set statusline+=%{fugitive#statusline()}
endif

" vim-airline
let g:airline_theme = 'powerlineish'
let g:airline#extensions#syntastic#enabled = 1
let g:airline#extensions#branch#enabled = 1
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tagbar#enabled = 1

"*****************************************************************************
"" Abbreviations
"*****************************************************************************
"" no one is really happy until you have this shortcuts
cnoreabbrev W! w!
cnoreabbrev Q! q!
cnoreabbrev Qall! qall!
cnoreabbrev Wq wq
cnoreabbrev Wa wa
cnoreabbrev wQ wq
cnoreabbrev WQ wq
cnoreabbrev W w
cnoreabbrev Q q
cnoreabbrev Qall qall

"" NERDTree configuration
let g:NERDTreeChDirMode=2
let g:NERDTreeIgnore=['\.rbc$', '\~$', '\.pyc$', '\.db$', '\.sqlite$', '__pycache__']
let g:NERDTreeSortOrder=['^__\.py$', '\/$', '*', '\.swp$', '\.bak$', '\~$']
let g:NERDTreeShowBookmarks=1
let g:nerdtree_tabs_focus_on_files=1
let g:NERDTreeMapOpenInTabSilent = '<RightMouse>'
let g:NERDTreeWinSize = 50
set wildignore+=*/tmp/*,*.so,*.swp,*.zip,*.pyc,*.db,*.sqlite
nnoremap <silent> <F2> :NERDTreeFind<CR>
noremap <F3> :NERDTreeToggle<CR>

" grep.vim
nnoremap <silent> <leader>f :Rgrep<CR>
let Grep_Default_Options = '-IR'
let Grep_Skip_Files = '*.log *.db'
let Grep_Skip_Dirs = '.git node_modules'

" vimshell.vim
let g:vimshell_user_prompt = 'fnamemodify(getcwd(), ":~")'
let g:vimshell_prompt =  '$ '

" terminal emulation
if g:vim_bootstrap_editor == 'nvim'
  nnoremap <silent> <leader>sh :terminal<CR>
else
  nnoremap <silent> <leader>sh :VimShellCreate<CR>
endif

"*****************************************************************************
"" Functions
"*****************************************************************************
if !exists('*s:setupWrapping')
  function s:setupWrapping()
    set wrap
    set wm=2
    set textwidth=79
  endfunction
endif

"*****************************************************************************
"" Autocmd Rules
"*****************************************************************************
"" The PC is fast enough, do syntax highlight syncing from start
augroup vimrc-sync-fromstart
  autocmd!
  autocmd BufEnter * :syntax sync fromstart
augroup END

"" Remember cursor position
augroup vimrc-remember-cursor-position
  autocmd!
  autocmd BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g`\"" | endif
augroup END

"" txt
augroup vimrc-wrapping
  autocmd!
  autocmd BufRead,BufNewFile *.txt call s:setupWrapping()
augroup END

"" make/cmake
augroup vimrc-make-cmake
  autocmd!
  autocmd FileType make setlocal noexpandtab
  autocmd BufNewFile,BufRead CMakeLists.txt setlocal filetype=cmake
augroup END

set autoread

"*****************************************************************************
"" Mappings
"*****************************************************************************
"" Split
noremap <Leader>h :<C-u>split<CR>
noremap <Leader>v :<C-u>vsplit<CR>

"" Git
noremap <Leader>ga :Gwrite<CR>
noremap <Leader>gc :Gcommit<CR>
noremap <Leader>gsh :Gpush<CR>
noremap <Leader>gll :Gpull<CR>
noremap <Leader>gs :Gstatus<CR>
noremap <Leader>gb :Gblame<CR>
noremap <Leader>gd :Gvdiff<CR>
noremap <Leader>gr :Gremove<CR>

" session management
nnoremap <leader>so :OpenSession<Space>
nnoremap <leader>ss :SaveSession<Space>
nnoremap <leader>sd :DeleteSession<CR>
nnoremap <leader>sc :CloseSession<CR>

"" Tabs
nnoremap <Tab> gt
nnoremap <S-Tab> gT
nnoremap <silent> <S-t> :tabnew<CR>

"" Set working directory
nnoremap <leader>. :lcd %:p:h<CR>

"" Opens an edit command with the path of the currently edited file filled in
noremap <Leader>e :e <C-R>=expand("%:p:h") . "/" <CR>

"" Opens a tab edit command with the path of the currently edited file filled
noremap <Leader>te :tabe <C-R>=expand("%:p:h") . "/" <CR>

"" ctrlp.vim
set wildmode=list:longest,list:full
set wildignore+=*.o,*.obj,.git,*.rbc,*.pyc,__pycache__
let g:ctrlp_custom_ignore = '\v[\/](node_modules|target|dist)|(\.(swp|tox|ico|git|hg|svn))$'
let g:ctrlp_user_command = "find %s -type f | grep -Ev '"+ g:ctrlp_custom_ignore +"'"
let g:ctrlp_use_caching = 1

" The Silver Searcher
if executable('ag')
  set grepprg=ag\ --nogroup\ --nocolor
  let g:ctrlp_user_command = 'ag %s -l --nocolor -g ""'
  let g:ctrlp_use_caching = 0
endif

cnoremap <C-P> <C-R>=expand("%:p:h") . "/" <CR>
noremap <leader>b :CtrlPBuffer<CR>
" let g:ctrlp_map = '<leader>e'
let g:ctrlp_map = '<c-p>'
let g:ctrlp_cmd = 'CtrlP'
let g:ctrlp_open_new_file = 'r'
let g:ctrlp_cache_dir = $HOME . '/.cache/ctrlp'

" snippets
let g:UltiSnipsExpandTrigger="<tab>"
let g:UltiSnipsJumpForwardTrigger="<tab>"
let g:UltiSnipsJumpBackwardTrigger="<c-b>"
let g:UltiSnipsEditSplit="vertical"

" syntastic
let g:syntastic_always_populate_loc_list=1
let g:syntastic_error_symbol='✗'
let g:syntastic_warning_symbol='⚠'
let g:syntastic_style_error_symbol = '✗'
let g:syntastic_style_warning_symbol = '⚠'
let g:syntastic_auto_loc_list=1
let g:syntastic_aggregate_errors = 1
let g:syntastic_python_flake8_args='--ignore=E501,F403,F405'


" Tagbar
nmap <silent> <F4> :TagbarToggle<CR>
let g:tagbar_autofocus = 1

" Disable visualbell
set novisualbell t_vb=

"" Copy/Paste/Cut
if has('unnamedplus')
  set clipboard=unnamed,unnamedplus
endif

noremap YY "+y<CR>
noremap <leader>p "+gP<CR>
noremap XX "+x<CR>

if has('macunix')
  " pbcopy for OSX copy/paste
  vmap <C-x> :!pbcopy<CR>
  vmap <C-c> :w !pbcopy<CR><CR>
endif

"" Buffer nav
noremap <leader>z :bp<CR>
noremap <leader>q :bp<CR>
noremap <leader>x :bn<CR>
noremap <leader>w :bn<CR>

"" Close buffer
noremap <leader>c :bd<CR>

"" Clean search (highlight)
nnoremap <silent> <leader><space> :noh<cr>

"" Switching windows
noremap <C-j> <C-w>j
noremap <C-k> <C-w>k
noremap <C-l> <C-w>l
noremap <C-h> <C-w>h

"" Vmap for maintain Visual Mode after shifting > and <
vmap < <gv
vmap > >gv

"" Move visual block
vnoremap J :m '>+1<CR>gv=gv
vnoremap K :m '<-2<CR>gv=gv

"" Open current line on GitHub
nnoremap <Leader>o :.Gbrowse<CR>

"" Custom configs

" vim-python
augroup vimrc-python
  autocmd!
  autocmd FileType python setlocal expandtab shiftwidth=4 tabstop=8 colorcolumn=89
      \ formatoptions+=croq softtabstop=4 smartindent
      \ cinwords=if,elif,else,for,while,try,except,finally,def,class,with
augroup END

" jedi-vim
let g:jedi#popup_on_dot = 0
let g:jedi#goto_assignments_command = "<leader>g"
let g:jedi#goto_definitions_command = "<leader>d"
let g:jedi#documentation_command = "K"
let g:jedi#usages_command = "<leader>n"
let g:jedi#rename_command = "<leader>r"
let g:jedi#show_call_signatures = "0"
let g:jedi#completions_command = "<C-Space>"
let g:jedi#smart_auto_mappings = 0

" syntastic
let g:syntastic_python_checkers=['python', 'flake8']

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


let g:javascript_enable_domhtmlcss = 1

" vim-javascript
augroup vimrc-javascript
  autocmd!
  autocmd FileType javascript set tabstop=4|set shiftwidth=4|set expandtab softtabstop=4 smartindent
augroup END


" vim-html
augroup vimrc-html
  autocmd!
  autocmd FileType html set tabstop=2|set shiftwidth=2|set expandtab softtabstop=2 smartindent
augroup END


"" Include user's local vim config
if filereadable(expand("~/.vimrc.local"))
  source ~/.vimrc.local
endif

"*****************************************************************************
"" Convenience variables
"*****************************************************************************

" vim-airline
if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif

if !exists('g:airline_powerline_fonts')
  let g:airline#extensions#tabline#left_sep = ' '
  let g:airline#extensions#tabline#left_alt_sep = '|'
  let g:airline_left_sep          = '▶'
  let g:airline_left_alt_sep      = '»'
  let g:airline_right_sep         = '◀'
  let g:airline_right_alt_sep     = '«'
  let g:airline#extensions#branch#prefix     = '⤴' "➔, ➥, ⎇
  let g:airline#extensions#readonly#symbol   = '⊘'
  let g:airline#extensions#linecolumn#prefix = '¶'
  let g:airline#extensions#paste#symbol      = 'ρ'
  let g:airline_symbols.linenr    = '␊'
  let g:airline_symbols.branch    = '⎇'
  let g:airline_symbols.paste     = 'ρ'
  let g:airline_symbols.paste     = 'Þ'
  let g:airline_symbols.paste     = '∥'
  let g:airline_symbols.whitespace = 'Ξ'
else
  let g:airline#extensions#tabline#left_sep = ''
  let g:airline#extensions#tabline#left_alt_sep = ''

  " powerline symbols
  let g:airline_left_sep = ''
  let g:airline_left_alt_sep = ''
  let g:airline_right_sep = ''
  let g:airline_right_alt_sep = ''
  let g:airline_symbols.branch = ''
  let g:airline_symbols.readonly = ''
  let g:airline_symbols.linenr = ''
endif

let virtualenv=$VIRTUAL_ENV

" By default pick python3 for any python file
let pyVersion = 'py3'

" Switch version based on virtualenv names
if virtualenv =~ 'qpk-backend'
	let pyVersion = 'py2'
endif

" *********** VIRTUAL ENV SUPPORT
" Add the virtualenv's site-packages to vim path (for python3)
if pyVersion == 'py3'
python3 << EOF
import os.path
import sys
import vim
if 'VIRTUAL_ENV' in os.environ:
    project_base_dir = os.environ['VIRTUAL_ENV']
    sys.path.insert(0, project_base_dir)
    # activate_this = os.path.join(project_base_dir, 'bin/activate_this.py')
    # execfile(activate_this, dict(__file__=activate_this))
EOF
"endif
" *********** VIRTUAL ENV SUPPORT END

" *********** VIRTUAL ENV SUPPORT
" Add the virtualenv's site-packages to vim path
elseif pyVersion == 'py2'
python << EOF
import os
import os.path
import sys
import vim
if 'VIRTUAL_ENV' in os.environ:
    project_base_dir = os.environ['VIRTUAL_ENV']
    sys.path.insert(0, project_base_dir)
    activate_this = os.path.join(project_base_dir, 'bin/activate_this.py')
    execfile(activate_this, dict(__file__=activate_this))
EOF
endif
" *********** VIRTUAL ENV SUPPORT END

" Autocompletion related config
set omnifunc=syntaxcomplete#Complete
let g:tern_map_keys=1
let g:tern_show_argument_hints="on_hold"
let g:SuperTabDefaultCompletionType = "<c-x><c-o>"
inoremap <S-TAB> <C-X><C-O>


" Disable arrow keys in normal mode
map <up> <nop>
map <down> <nop>
map <right> <nop>
map <left> <nop>

" Disable arrow keys in insert mode
imap <up> <nop>
imap <down> <nop>
imap <right> <nop>
imap <left> <nop>