.vimrc

set nocompatible
filetype off

let mapleader=","
let g:mapleader = ","

call plug#begin('~/.vim/plugged')

Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'rgrinberg/vim-ocaml'
Plug 'rking/ag.vim'
Plug 'tpope/vim-fugitive'
Plug 'ctrlpvim/ctrlp.vim'
Plug 'derekwyatt/vim-scala'
Plug 'fatih/vim-go'
Plug 'kana/vim-operator-user'
Plug 'rhysd/vim-clang-format'
"Plug 't1mxg0d/vim-lucario'
"Plug 'altercation/vim-colors-solarized'
Plug 'encody/nvim'
Plug 'tyrannicaltoucan/vim-quantum'
Plug 'mhinz/vim-grepper'
Plug 'mhartington/oceanic-next'

" Add plugins to &runtimepath
call plug#end()

let g:airline#extensions#tabline#enabled = 1
let g:airline_powerline_fonts = 1
set guifont=Droid\ Sans\ Mono\ for\ Powerline
"colo desert

" Python
syntax enable
" set tabs to have 4 spaces
set ts=4
" indent when moving to the next line while writing code
set autoindent
set expandtab
" when using the >> or << commands, shift lines by 4 spaces
set shiftwidth=4
" show a visual line under the cursor's current line
set cursorline
" show the matching part of the pair for [] {} and ()
set showmatch
let python_highlight_all = 1

:map <leader>n :bnext<cr>
noremap <Leader>s :update<CR>
nmap <leader>w :w!<cr>


set wildignore=*.o,*~,*.pyc
if has("win16") || has("win32")
    set wildignore+=*/.git/*,*/.hg/*,*/.svn/*,*/.DS_Store
else
    set wildignore+=.git\*,.hg\*,.svn\*
endif

set encoding=utf8
set ffs=unix,dos,mac
set nobackup
set nowb
set noswapfile
set laststatus=2

" Visual mode pressing * or # searches for the current selection
" Super useful! From an idea by Michael Naumann
vnoremap <silent> * :call VisualSelection('f', '')<CR>
vnoremap <silent> # :call VisualSelection('b', '')<CR>

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Ag searching and cope displaying
"    requires ag.vim - it's much better than vimgrep/grep
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" When you press gv you Ag after the selected text
vnoremap <silent> gv :call VisualSelection('gv', '')<CR>

" Open Ag and put the cursor in the right position
map <leader>g :Ag

" When you press <leader>r you can search and replace the selected text
vnoremap <silent> <leader>r :call VisualSelection('replace', '')<CR>

au FileType Makefile set noexpandtab

" ,p toggles paste mode
 nmap <leader>p :set paste!<BAR>set paste?<CR>

" Do :help cope if you are unsure what cope is. It's super useful!
"
" When you search with Ag, display your results in cope by doing:
"   <leader>cc
"
" To go to the next search result do:
"   <leader>n
"
" To go to the previous search results do:
"   <leader>p
"
"map <leader>cc :botright cope<cr>
"map <leader>co ggVGy:tabnew<cr>:set syntax=qf<cr>pgg
"map <leader>n :cn<cr>
"map <leader>p :cp<cr>

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Helper functions
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
function! CmdLine(str)
    exe "menu Foo.Bar :" . a:str
    emenu Foo.Bar
    unmenu Foo
endfunction

function! VisualSelection(direction, extra_filter) range
    let l:saved_reg = @"
    execute "normal! vgvy"

    let l:pattern = escape(@", '\\/.*$^~[]')
    let l:pattern = substitute(l:pattern, "\n$", "", "")

    if a:direction == 'b'
        execute "normal ?" . l:pattern . "^M"
    elseif a:direction == 'gv'
        call CmdLine("Ag \"" . l:pattern . "\" " )
    elseif a:direction == 'replace'
        call CmdLine("%s" . '/'. l:pattern . '/')
    elseif a:direction == 'f'
        execute "normal /" . l:pattern . "^M"
    endif

    let @/ = l:pattern
    let @" = l:saved_reg
endfunction


" Returns true if paste mode is enabled
function! HasPaste()
    if &paste
        return 'PASTE MODE  '
    endif
    return ''
endfunction

" Don't close window, when deleting a buffer
command! Bclose call <SID>BufcloseCloseIt()
function! <SID>BufcloseCloseIt()
   let l:currentBufNum = bufnr("%")
   let l:alternateBufNum = bufnr("#")

   if buflisted(l:alternateBufNum)
     buffer #
   else
     bnext
   endif

   if bufnr("%") == l:currentBufNum
     new
   endif

   if buflisted(l:currentBufNum)
     execute("bdelete! ".l:currentBufNum)
   endif
endfunction

" Merlin
let g:opamshare = substitute(system('opam config var share'),'\n$','','''')
execute "set rtp+=" . g:opamshare . "/merlin/vim"

au BufNewFile,BufRead *.js,*.html,*.css :
    \ set tabstop=2 |
    \ set softtabstop=2 |
    \ set shiftwidth=2 |

autocmd FileType c ClangFormatAutoEnable

 " Theme
syntax enable
" for vim 7
set t_Co=256

" for vim 8
if (has("termguicolors"))
 set termguicolors
endif

colorscheme OceanicNext