init.vim

call plug#begin('~/.vim/plugged')
" Initialize plugin system
Plug 'junegunn/vim-easy-align'

" Ctrl-P
Plug 'kien/ctrlp.vim'

" BufExplorer
Plug 'jlanzarotta/bufexplorer'

" Golang
Plug 'fatih/vim-go'
Plug 'zchee/deoplete-go', {'build': {'unix': 'make'}}
Plug 'nsf/gocode', { 'rtp': 'nvim', 'do': '~/.config/nvim/plugged/gocode/nvim/symlink.sh' }

" Neomake
Plug 'neomake/neomake'

" YCompleteMe
" Plug 'Valloric/YouCompleteMe', { 'do': './install.py' }

" Autopair
Plug 'jiangmiao/auto-pairs'

" Scala
Plug 'derekwyatt/vim-scala'
Plug 'ensime/ensime-vim', { 'do': ':UpdateRemotePlugins' }

"Syntastic
Plug 'vim-syntastic/syntastic'

" Any valid git URL is allowed
Plug 'https://github.com/junegunn/vim-github-dashboard.git'

" Ag the_silver_searcher
Plug 'Numkil/ag.nvim'

" Multiple Plug commands can be written in a single line using | separators
Plug 'SirVer/ultisnips' | Plug 'honza/vim-snippets'

" Git wrapper for vim
Plug 'tpope/vim-fugitive'
Plug 'airblade/vim-gitgutter'
Plug 'jreybert/vimagit'

" Projectile analog.
Plug 'joonty/vim-sauce'

" Surrounds char/word/sentence by tag/symbols/parantheses
Plug 'tpope/vim-surround'

" Deoplete
Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
Plug 'Shougo/neosnippet.vim'
Plug 'Shougo/neosnippet-snippets'

"PHP
Plug 'padawan-php/deoplete-padawan', { 'do': 'composer install' }
Plug 'evidens/vim-twig'
Plug 'vim-scripts/smarty-syntax'
Plug 'qbbr/vim-symfony'

Plug 'udalov/kotlin-vim'

" Indent guidelines
Plug 'Yggdroot/indentLine'

" Airline
"Plug 'vim-airline/vim-airline'
"Plug 'vim-airline/vim-airline-themes'
Plug 'dracula/vim'

" Emmet!
Plug 'mattn/emmet-vim'
"  Colorschemes
Plug 'chriskempson/base16-vim'
Plug 'morhetz/gruvbox'
Plug 'rakr/vim-one'
Plug 'nanotech/jellybeans.vim'

"NERDComennter
Plug 'scrooloose/nerdcommenter'

" Ruby
Plug 'tpope/vim-rake'
Plug 'tpope/vim-rails'

call plug#end()

nmap <C-F5> <Esc>:BufExplorer<cr>
vmap <C-F5> <esc>:BufExplorer<cr>
imap <C-F5> <esc>:BufExplorer<cr>

" F6 - предыдущий буфер
nmap <C-F6> :bp<cr>
vmap <C-F6> <esc>:bp<cr>i
imap <C-F6> <esc>:bp<cr>i

" F7 - следующий буфер
nmap <C-F7> :bn<cr>
vmap <C-F7> <esc>:bn<cr>i
imap <C-F7> <esc>:bn<cr>i

" Disable Arrow keys. Don't even think about them
noremap <Up> <NOP>
noremap <Down> <NOP>
noremap <Left> <NOP>
noremap <Right> <NOP>

" UI
if $TERM == "xterm-256  color"
    set t_Co=256
endif

set background=dark
syntax on
color jellybeans

set expandtab
set termguicolors
set number relativenumber
set t_ut=
set tabstop=4
set shiftwidth=4
set nojoinspaces
set colorcolumn=120
set cursorline
set showcmd
set backspace=indent,eol,start
set hidden
set title "Coding Session :)"
filetype plugin indent on
" show existing tab with 4 spaces width
set tabstop=4
" when indenting with '>', use 4 spaces width
set shiftwidth=4
" On pressing tab, insert 4 spaces
set autoread

let g:indentLine_color_term = 239

" When writing a buffer.
call neomake#configure#automake('w')
" When writing a buffer, and on normal mode changes (after 750ms).
call neomake#configure#automake('nw', 750)
" When reading a buffer (after 1s), and when writing.
call neomake#configure#automake('rw', 1000)

let g:deoplete#enable_at_startup = 1

let g:ctrlp_custom_ignore = {
            \ 'dir':  '\v[\/]\.(git|hg|svn)$|(certificate_storage|node_modules|bower|vendor|cache)$',
            \ 'file': '\v\.(exe|so|dll)$',
            \ 'link': 'some_bad_symbolic_links',
            \ }

" Golang
au FileType go set noexpandtab
au FileType go set shiftwidth=4
au FileType go set softtabstop=4
au FileType go set tabstop=4

let g:go_highlight_build_constraints = 1
let g:go_highlight_extra_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_structs = 1
let g:go_highlight_types = 1

let g:go_auto_sameids = 1

let g:go_fmt_command = "goimports"
let g:go_auto_type_info = 1
" Error and warning signs.
let g:ale_sign_error = '⤫'
let g:ale_sign_warning = '⚠'
au FileType go nmap <leader>gt :GoDeclsDir<cr>
" GoTest
au Filetype go nmap <leader>ga <Plug>(go-alternate-edit)
au Filetype go nmap <leader>gah <Plug>(go-alternate-split)
au Filetype go nmap <leader>gav <Plug>(go-alternate-vertical)
au FileType go nmap <F10> :GoTest -short<cr>
au FileType go nmap <F9> :GoCoverageToggle -short<cr>
au FileType go nmap <F12> <Plug>(go-def)
" Disable deoplete when in multi cursor mode
function! Multiple_cursors_before()
    let b:deoplete_disable_auto_complete = 1
endfunction
function! Multiple_cursors_after()
    let b:deoplete_disable_auto_complete = 0
endfunction
let g:go_addtags_transform = "snakecase"
let g:go_snippet_engine = "neosnippet"

autocmd InsertLeave,CompleteDone * if pumvisible() == 0 | pclose | endif
" Error and warning signs.
call deoplete#custom#set('go', 'rank', 9999)

" ========================================= Leader
let mapleader="\<SPACE>"
nnoremap <Leader>o :CtrlP<CR>
nnoremap <Leader>ob :CtrlPBuffer
" nnoremap <Leader><Space> :CtrlSpace<CR>
nmap <silent> <leader>ev :e $MYVIMRC<CR>
nmap <silent> <leader>sv :so $MYVIMRC<CR>
" Common development keys
nmap <Leader>dm :!make<CR>

" Git
nmap <Leader>gb :Gblame<CR>
nmap <Leader>gc :Gcommit<CR>
nmap <Leader>gm :Magit<CR>

" Ctags
nmap <Leader>ct :!ctags -R<CR>

" Ruby TODO: Add Ruby Leader binding
:autocmd Filetype ruby set softtabstop=2
:autocmd Filetype ruby set sw=2
:autocmd Filetype ruby set ts=2

" Buffers
nnoremap <C-n> :bnext<CR>
nnoremap <C-p> :bprevious<CR>
nmap <Leader>bb :BufExplorer<CR>
nmap <Leader><Tab> :bnext<CR>
nmap <Leader>bd :bd<CR>
nmap <Leader>bk :bnext<CR>
nmap <Leader>bj :bprevious<CR>
" JavaScript
au FileType js set tabstop=2
au FileType js set shiftwidth=2
" Scala
autocmd BufWritePost *.scala silent :EnTypeCheck 
nnoremap <Leader>t :EnType<CR>
au FileType scala nnoremap <Leader>df :EnDeclaration<CR>

set ignorecase          " Make searching case insensitive
set smartcase           " ... unless the query has capital letters.
set gdefault            " Use 'g' flag by default with :s/foo/bar/.

if maparg('<C-L>', 'n') ==# ''
    nnoremap <silent> <C-L> :nohlsearch<CR><C-L>
endif

" Search and Replace
nmap <Leader>s :%s//g<Left><Left>
" Relative numbering
function! NumberToggle()
    if(&relativenumber == 1)
        set nornu
        set number
    else
        set rnu
    endif
endfunc

set rnu
nnorema ; :
nnoremap Q @q

" StatusLine

let g:currentmode={
      \ 'n'  : 'N ',
      \ 'no' : 'N·Operator Pending ',
      \ 'v'  : 'V ',
      \ 'V'  : 'V·Line ',
      \ '' : 'V·Block ',
      \ 's'  : 'Select ',
      \ 'S'  : 'S·Line ',
      \ '' : 'S·Block ',
      \ 'i'  : 'I ',
      \ 'R'  : 'R ',
      \ 'Rv' : 'V·Replace ',
      \ 'c'  : 'Command ',
      \ 'cv' : 'Vim Ex ',
      \ 'ce' : 'Ex ',
      \ 'r'  : 'Prompt ',
      \ 'rm' : 'More ',
      \ 'r?' : 'Confirm ',
      \ '!'  : 'Shell ',
      \ 't'  : 'Terminal '
      \}


highlight User1 cterm=None gui=None ctermfg=007 guifg=fgcolor
highlight User2 cterm=None gui=None ctermfg=008 guifg=bgcolor
highlight User3 cterm=None gui=None ctermfg=008 guifg=bgcolor
highlight User4 cterm=None gui=None ctermfg=008 guifg=bgcolor
highlight User5 cterm=None gui=None ctermfg=008 guifg=bgcolor
highlight User7 cterm=None gui=None ctermfg=008 guifg=bgcolor
highlight User8 cterm=None gui=None ctermfg=008 guifg=bgcolor
highlight User9 cterm=None gui=None ctermfg=007 guifg=fgcolor

" Automatically change the statusline color depending on mode
function! ChangeStatuslineColor()
  if (mode() =~# '\v(n|no)')
    exe 'hi! StatusLine ctermfg=008 guifg=fgcolor gui=None cterm=None'
  elseif (mode() =~# '\v(v|V)' || g:currentmode[mode()] ==# 'V·Block' || get(g:currentmode, mode(), '') ==# 't')
    exe 'hi! StatusLine ctermfg=005 guifg=#00ff00 gui=None cterm=None'
  elseif (mode() ==# 'i')
    exe 'hi! StatusLine ctermfg=004 guifg=#6CBCE8 gui=None cterm=None'
  else
    exe 'hi! StatusLine ctermfg=006 guifg=orange gui=None cterm=None'
  endif

  return ''
endfunction

" Find out current buffer's size and output it.
function! FileSize()
  let bytes = getfsize(expand('%:p'))
  if (bytes >= 1024)
    let kbytes = bytes / 1024
  endif
  if (exists('kbytes') && kbytes >= 1000)
    let mbytes = kbytes / 1000
  endif

  if bytes <= 0
    return '0'
  endif

  if (exists('mbytes'))
    return mbytes . 'MB '
  elseif (exists('kbytes'))
    return kbytes . 'KB '
  else
    return bytes . 'B '
  endif
endfunction

function! ReadOnly()
  if &readonly || !&modifiable
    return ''
  else
    return ''
endfunction

function! GitInfo()
  let git = fugitive#head()
  if git != ''
    return ' '.fugitive#head()
  else
    return ''
endfunction

" http://stackoverflow.com/a/10416234/213124
set laststatus=2
set statusline=
set statusline+=%{ChangeStatuslineColor()}               " Changing the statusline color
set statusline+=%0*\ %{toupper(g:currentmode[mode()])}   " Current mode
set statusline+=%8*\ [%n]                                " buffernr
set statusline+=%8*\ %{GitInfo()}                        " Git Branch name
set statusline+=%8*\ %<%F\ %{ReadOnly()}\ %m\ %w\        " File+path
set statusline+=%#warningmsg#
set statusline+=%{SyntasticStatuslineFlag()}             " Syntastic errors
set statusline+=%*
set statusline+=%9*\ %=                                  " Space
set statusline+=%8*\ %y\                                 " FileType
set statusline+=%7*\ %{(&fenc!=''?&fenc:&enc)}\[%{&ff}]\ " Encoding & Fileformat
set statusline+=%8*\ %-3(%{FileSize()}%)                 " File size
set statusline+=%0*\ %3p%%\ \ %l:\ %3c\                 " Rownumber/total (%)