neovim init.vim

" remap leader from \ to ,
let mapleader = ","

call plug#begin()
Plug 'fatih/vim-go'
Plug 'fatih/molokai'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'hynek/vim-python-pep8-indent'
Plug 'elzr/vim-json'
Plug 'Yggdroot/indentLine'
Plug 'airblade/vim-gitgutter'
Plug 'tpope/vim-fugitive'
Plug 'ntpeters/vim-better-whitespace'
Plug 'itchyny/lightline.vim'
Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
Plug 'zchee/deoplete-go', {'do': 'make'}
"Plug 'scrooloose/nerdtree'
"Plug 'altercation/vim-colors-solarized'
call plug#end()
let g:deoplete#enable_at_startup = 1

""""""""""""""""""""""
"      Settings      "
""""""""""""""""""""""
"set nocompatible                " Enables us Vim specific features
"filetype off                    " Reset filetype detection first ...
"filetype plugin indent on       " ... and enable filetype detection
"set ttyfast                     " Indicate fast terminal conn for faster redraw
"set ttymouse=xterm2             " Indicate terminal type for mouse codes
"set ttyscroll=3                 " Speedup scrolling
"set laststatus=2                " Show status line always
"set encoding=utf-8              " Set default encoding to UTF-8
"set autoread                    " Automatically read changed files
set autoindent                  " Enabile Autoindent
set backspace=indent,eol,start  " Makes backspace key more powerful.
set incsearch                   " Shows the match while typing
set hlsearch                    " Highlight found searches
set noerrorbells                " No beeps
set number                      " Show line numbers
set showcmd                     " Show me what I'm typing
set noswapfile                  " Don't use swapfile
set nobackup                    " Don't create annoying backup files
set splitright                  " Vertical windows should be split to right
set splitbelow                  " Horizontal windows should split to bottom
set autowrite                   " Automatically save before :next, :make etc.
set hidden                      " Buffer should still exist if window is closed
set fileformats=unix,dos,mac    " Prefer Unix over Windows over OS 9 formats
set noshowmatch                 " Do not show matching brackets by flickering
set noshowmode                  " We show the mode with airline or lightline
set ignorecase                  " Search case insensitive...
set smartcase                   " ... but not it begins with upper case
"set completeopt=menu,menuone    " Show popup menu, even if there is one entry
set completeopt+=noselect
set completeopt-=preview


set pumheight=10                " Completion window max size
set nocursorcolumn              " Do not highlight column (speeds up highlighting)
set nocursorline                " Do not highlight cursor (speeds up highlighting)
"set lazyredraw                  " Wait to redraw

"set et
set tabstop=4
set shiftwidth=4
set expandtab


" Enable to copy to clipboard for operations like yank, delete, change and put
" http://stackoverflow.com/questions/20186975/vim-mac-how-to-copy-to-clipboard-without-pbcopy
if has('unnamedplus')
  set clipboard^=unnamed
  set clipboard^=unnamedplus
endif

" This enables us to undo files even if you exit Vim.
if has('persistent_undo')
  set undofile
  set undodir=~/.config/vim/tmp/undo//
endif

" Colorscheme
syntax enable
set t_Co=256
let g:rehash256 = 1
let g:molokai_original = 1
colorscheme molokai

""""""""""""""""""""""
"      Mappings      "
""""""""""""""""""""""

" Set leader shortcut to a comma ','. By default it's the backslash
let mapleader = ","

" Jump to next error with Ctrl-n and previous error with Ctrl-m. Close the
" quickfix window with <leader>a
map <C-n> :cnext<CR>
map <C-m> :cprevious<CR>
nnoremap <leader>a :cclose<CR>



" Visual linewise up and down by default (and use gj gk to go quicker)
noremap <Up> gk
noremap <Down> gj
noremap j gj
noremap k gk

" Search mappings: These will make it so that going to the next one in a
" search will center on the line it's found in.
nnoremap n nzzzv
nnoremap N Nzzzv

" Act like D and C
nnoremap Y y$

" Enter automatically into the files directory
autocmd BufEnter * silent! lcd %:p:h

" Paste toggle
map <leader>pp :setlocal paste!<cr>

" Toggle Lines
map <leader>l :set nonumber<cr>



"""""""""""""""""""""
"      Plugins      "
"""""""""""""""""""""

" vim-go
let g:go_fmt_command = "goimports"
let g:go_autodetect_gopath = 1
let g:go_list_type = "quickfix"
let g:go_fmt_fail_silently = 1
let g:go_auto_type_info = 1

let g:go_highlight_types = 1
let g:go_highlight_fields = 1
let g:go_highlight_functions = 1
let g:go_highlight_function_arguments = 1
let g:go_highlight_function_calls = 1
let g:go_highlight_methods = 1
let g:go_highlight_extra_types = 1
let g:go_highlight_generate_tags = 1
let g:go_highlight_operators = 1

" Open :GoDeclsDir with ctrl-g
nmap <C-g> :GoDeclsDir<cr>
imap <C-g> <esc>:<C-u>GoDeclsDir<cr>

nmap <C-N><C-N> :set invnumber<CR>


" Strip whitespace on save
autocmd BufWritePre * StripWhitespace
augroup go
  autocmd!

  " Show by default 4 spaces for a tab
  autocmd BufNewFile,BufRead *.go setlocal noexpandtab tabstop=4 shiftwidth=4

  " :GoBuild and :GoTestCompile
  autocmd FileType go nmap <leader>b :<C-u>call <SID>build_go_files()<CR>

  " :GoTest
  autocmd FileType go nmap <leader>t  <Plug>(go-test)

  " :GoRun
  autocmd FileType go nmap <leader>r  <Plug>(go-run)

  " :GoDoc
  autocmd FileType go nmap <Leader>d <Plug>(go-doc)

  " :GoCoverageToggle
  autocmd FileType go nmap <Leader>c <Plug>(go-coverage-toggle)

  " :GoInfo
  autocmd FileType go nmap <Leader>i <Plug>(go-info)

  " :GoMetaLinter
  autocmd FileType go nmap <Leader>l <Plug>(go-metalinter)

  " :GoDef but opens in a vertical split
  autocmd FileType go nmap <Leader>v <Plug>(go-def-vertical)
  " :GoDef but opens in a horizontal split
  autocmd FileType go nmap <Leader>s <Plug>(go-def-split)

  autocmd FileType go nmap <leader>ds <Plug>(go-def-split)


  " :GoAlternate  commands :A, :AV, :AS and :AT
  autocmd Filetype go command! -bang A call go#alternate#Switch(<bang>0, 'edit')
  autocmd Filetype go command! -bang AV call go#alternate#Switch(<bang>0, 'vsplit')
  autocmd Filetype go command! -bang AS call go#alternate#Switch(<bang>0, 'split')
  autocmd Filetype go command! -bang AT call go#alternate#Switch(<bang>0, 'tabe')
augroup END

" build_go_files is a custom function that builds or compiles the test file.
" It calls :GoBuild if its a Go file, or :GoTestCompile if it's a test 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

" Path to python interpreter for neovim
let g:python3_host_prog  = '/usr/local/bin/python3'
" " Skip the check of neovim module
let g:python3_host_skip_check = 1
let g:deoplete#sources#go#gocode_binary = '/Users/patrick/go/bin/gocode'
let g:deoplete#sources#go#sort_class = ['package', 'var', 'func', 'type', 'const']