init.vim

" DEIN
" curl https://raw.githubusercontent.com/Shougo/dein.vim/master/bin/installer.sh > installer.sh
" sh ./installer.sh ~/.config/nvim/dein
if &compatible
  set nocompatible
endif
set runtimepath+=/home/slimior/.config/nvim/dein/repos/github.com/Shougo/dein.vim

if dein#load_state('~/.config/nvim/dein')
  call dein#begin('~/.config/nvim/dein')

  call dein#add('~/.config/nvim/dein/repos/github.com/Shougo/dein.vim')

  call dein#add('haya14busa/dein-command.vim')
  call dein#add('vim-syntastic/syntastic')
  call dein#add('rust-lang/rust.vim')
  call dein#add('scrooloose/nerdtree')
  call dein#add('Xuyuanp/nerdtree-git-plugin')
  call dein#add('tpope/vim-fugitive')
  call dein#add('jmcantrell/vim-virtualenv')
  call dein#add('christoomey/vim-tmux-navigator')
  call dein#add('Shougo/deoplete.nvim')
  call dein#add('zchee/deoplete-jedi')
  call dein#add('davidhalter/jedi-vim')
  call dein#add('rbgrouleff/bclose.vim')
  call dein#add('ctrlpvim/ctrlp.vim')
  call dein#add('SirVer/ultisnips')
  call dein#add('honza/vim-snippets')
  call dein#add('ervandew/supertab')


  " VISUALS
  call dein#add('vim-airline/vim-airline')
  call dein#add('vim-airline/vim-airline-themes')
  call dein#add('dylanaraps/crayon')
  call dein#add('flazz/vim-colorschemes')
  "call dein#add('chriskempson/base16-vim')
  call dein#add('ryanoasis/vim-devicons')
  call dein#add('mhinz/vim-startify')
  call dein#add('airblade/vim-gitgutter')


  call dein#end()
  call dein#save_state()
endif

filetype plugin indent on
syntax enable

if dein#check_install()
  call dein#install()
endif


set laststatus=2
set ttyfast
set lazyredraw
set number
set rnu
set autoindent
set encoding=utf-8
set tabstop=4
set softtabstop=0
set noexpandtab
set shiftwidth=4
set updatetime=100
set fillchars+=vert:\│
set termguicolors
set mouse=a mousemodel=popup_setpos

colorscheme crayon
highlight VertSplit guifg=#333333

let g:python3_host_prog = "/home/slimior/.config/nvim/venv/bin/python"

let g:jedi#completions_enabled = 0
let g:deoplete#enable_at_startup = 1
let g:deoplete#sources#jedi#python_path = "python3"
let g:deoplete#sources#jedi#show_docstring = 1

"autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
"autocmd TabEnter * NERDTreeTabsOpen

map <C-b> :NERDTreeToggle<CR>
map <Tab> :bnext!<CR>
map <S-Tab> :bprevious<CR>
map <C-x> :Bclose<CR>

"sudo saving with w!!
cmap w!! w !sudo tee >/dev/null %

" AIRLINE
let g:airline_powerline_fonts = 1
let g:airline#extensions#branch#enabled = 1
let g:airline#extensions#tabline#enabled = 1
let g:airline_theme='bubblegum'


" SUPERTAB
let g:SuperTabMappingForward = '<s-Tab>'
let g:SuperTabMappingBackward = '<Tab>'



let g:startify_relative_path = 1

" NERDTREE
let g:NERDTreeWinPos = "right"
let NERDTreeMinimalUI = 1
let NERDTreeDirArrowExpandable = " "
let NERDTreeDirArrowCollapsible = " "
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

" WEBDEVICONS
let g:webdevicons_enable_nerdtree = 1
let g:webdevicons_enable_airline_tabline = 1
let g:webdevicons_enable_airline_statuslinetabline = 1
let g:WebDevIconsNerdTreeBeforeGlyphPadding = ''
let g:WebDevIconsNerdTreeGitPluginForceVAlign = 1
let g:WebDevIconsUnicodeDecorateFolderNodes = 1
let g:DevIconsEnableFoldersOpenClose = 1

" SYNTASTIC
"set statusline+=%#warningmsg#
"set statusline+=%{SyntasticStatuslineFlag()}
"set statusline+=%*
let g:syntastic_rust_checkers = ['rustc']
let g:syntastic_python_python_exec = "/home/slimior/.config/nvim/venv/bin/python"
let g:syntastic_error_symbol = ""
let g:syntastic_style_error_symbol = ""
let g:syntastic_check_on_open = 1
highlight SyntasticErrorSign guifg=#ed4836
highlight SyntasticWarningSign guifg=#f7de40

" GITGUTTER
let g:gitgutter_sign_added = '│'
let g:gitgutter_sign_modified = '│'
let g:gitgutter_sign_removed = '│'
let g:gitgutter_sign_removed_first_line = '│'
let g:gitgutter_sign_modified_removed = '│'

" ULTISNIPS
let g:UltiSnipsExpandTrigger="<tab>"
let g:UltiSnipsJumpForwardTrigger="<c-j>"
let g:UltiSnipsJumpBackwardTrigger="<c-k>"
let g:UltiSnipsUsePythonVersion = 3


" VIM-TMUX-NAVIGATOR
let g:tmux_navigator_no_mappings = 1

nnoremap <silent> <C-Left> :TmuxNavigateLeft<cr>
nnoremap <silent> {Down-Mapping} :TmuxNavigateDown<cr>
nnoremap <silent> {Up-Mapping} :TmuxNavigateUp<cr>
nnoremap <silent> <c-Right> :TmuxNavigateRight<cr>
nnoremap <silent> {Previous-Mapping} :TmuxNavigatePrevious<cr>

if &term =~ '^screen'
    " tmux will send xterm-style keys when its xterm-keys option is on
    execute "set <xUp>=\e[1;*A"
    execute "set <xDown>=\e[1;*B"
    execute "set <xRight>=\e[1;*C"
    execute "set <xLeft>=\e[1;*D"
endif

autocmd FileType python setlocal completeopt-=preview