dotfiles/init.vim

" Pas de compatibilité a VI !
set nocompatible

" PLUGNIS ###########################################################{{{
call plug#begin()
if has('nvim')
  Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
else
  Plug 'Shougo/deoplete.nvim'
  Plug 'roxma/nvim-yarp'
  Plug 'roxma/vim-hug-neovim-rpc'
endif

" General plugins
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'https://gitea.tforgione.fr/tforgione/peach.git'
Plug 'scrooloose/nerdtree'
Plug 'w0rp/ale'
Plug 'tpope/vim-abolish'

" Language specific plugins

" C++
Plug 'Shougo/deoplete-clangx'

" Rust
Plug 'rust-lang/rust.vim'
Plug 'racer-rust/vim-racer'
Plug 'sebastianmarkow/deoplete-rust'

" Elm
Plug 'ElmCast/elm-vim'
Plug 'antew/vim-elm-language-server'

" Toml
Plug 'cespare/vim-toml'

" Pug
Plug 'digitaltoad/vim-pug'

" Spandex
Plug 'rust-spandex/spandex.vim'

call plug#end()

" Line numbers and syntaxic coloration
" set nu
" syntax on

" Highlight bad spaces (not working...)
" }}}

" INDENTATION #######################################################{{{
set expandtab
set tabstop=4
set shiftwidth=4
set autoindent
" }}}

" UI CONFIG #########################################################{{{
set number
if $NVIM_LINE_NUMBER == 'rnu'
    set rnu
endif
set showcmd
set wildmenu
set lazyredraw
set encoding=utf8
set clipboard=unnamedplus
set updatecount=50
set mouse=a
set guicursor=
" set ttymouse=sgr
" Espaces insécables grrrr
set list
set listchars=tab:  ,trail:·,extends:>,precedes:<,nbsp:¬
" Remove trailing spaces
autocmd BufWritePre * :%s/\s\+$//e

" Compile on F12
if executable('mars')
    nnoremap <silent><F12> :wa \| !mars -p %:p<CR>
    inoremap <silent><F12> <C-O>:wa \|!mars -p %:p<CR>
    vnoremap <silent><F12> :wa \|!mars -p %:p<CR>
elseif executable('make')
    nnoremap <silent><F12> :wa \| !make -p %:p<CR>
    inoremap <silent><F12> <C-O>:wa \|!make -p %:p<CR>
    vnoremap <silent><F12> :wa \|!make -p %:p<CR>
endif

" Escape on F1
map <F1> <Esc>
imap <F1> <Esc>
" vim airline config
set laststatus=2
let g:airline_powerline_fonts = 1
let g:airline#extensions#branch#format = 1
let g:airline_theme='dark'
set t_Co=256
" Set textwidth for latex
" autocmd FileType tex set textwidth=79
" }}}

" COLOR #############################################################{{{
set background=dark
syntax enable
try
    colorscheme peach
catch
endtry
highlight BadWhitespace ctermbg=red guibg=red
match BadWhitespace / \| \+\t/
" }}}

" SEARCHING #########################################################{{{
set title
set showmatch
set hlsearch
set noincsearch
" }}}

" NERDTREE ##########################################################{{{
let NERDTreeIgnore = ['\.pyc$','__pycache__']
set shell=zsh
let g:NERDTreeIndicatorMapCustom = {
    \ "Modified"  : "✹",
    \ "Staged"    : "✚",
    \ "Untracked" : "✭",
    \ "Renamed"   : "➜",
    \ "Unmerged"  : "═",
    \ "Deleted"   : "✖",
    \ "Dirty"     : "✗",
    \ "Clean"     : "✔︎",
    \ "Unknown"   : "?"
    \ }
let g:WebDevIconsNerdTreeGitPluginForceVAlign = 1
" }}}

" BACKUPS ###########################################################{{{
set dir=$HOME/.nvim/swp//
autocmd BufWritePost * :silent execute ':w! ' ."$HOME/.nvim/backups/" . substitute(escape(substitute(expand('%:p'), "/", "%", "g"), "%"), ' ', '\\ ', 'g')

if exists('+undofile')
    set undofile
    set undolevels=1000
    set undoreload=10000
    if exists('+undodir')
        set undodir=$HOME/.nvim/undo
    endif
endif
" }}}


" MARKDOWN PREVIEW ##################################################{{{
let g:markdown_composer_browser = 'firefox'
let g:instant_markdown_autostart = 0
" }}}

" CODE COMPLETION ###################################################{{{

" Use deoplete
let g:deoplete#enable_at_startup = 1
autocmd FileType elm call deoplete#custom#buffer_option('auto_complete', v:false)

" Autoclose preview
autocmd CursorMovedI * if pumvisible() == 0|pclose|endif
autocmd InsertLeave * if pumvisible() == 0|pclose|endif

" Complete on tab
inoremap <expr><TAB>  pumvisible() ? "\<C-n>" : "\<TAB>"

" }}}

" CUSTOM THINGS DEPENDING ON ENV ####################################{{{
let g:ale_linters = {}
let g:ale_c_parse_compile_commands=1
let g:ale_elm_ls_use_global = 1
let g:ale_linters_ignore = { 'elm': ['make'] }
let g:ale_lint_on_text_changed = 0
if $NVIM_DISABLE_PYTHON_LINTER == '1'
    let g:ale_linters.python = []
endif
if $NVIM_DISABLE_JAVA_LINTER == '1'
    let g:ale_linters.java = []
endif