init.vim

" vim-bootstrap 

"*****************************************************************************
"" Vim-PLug core
"*****************************************************************************
let vimplug_exists=expand('~/.config/nvim/autoload/plug.vim')

let g:vim_bootstrap_langs = "go"
let g:vim_bootstrap_editor = "nvim"				" nvim or vim

if !filereadable(vimplug_exists)
  if !executable("curl")
    echoerr "You have to install curl or first install vim-plug yourself!"
    execute "q!"
  endif
  echo "Installing Vim-Plug..."
  echo ""
  silent exec "!\curl -fLo " . vimplug_exists . " --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim"
  let g:not_finish_vimplug = "yes"

  autocmd VimEnter * PlugInstall
endif

" Required:
call plug#begin(expand('~/.config/nvim/plugged'))

"*****************************************************************************
"" Plug install packages
"*****************************************************************************
Plug 'scrooloose/nerdtree'
Plug 'jistr/vim-nerdtree-tabs'
Plug 'tpope/vim-commentary'
Plug 'tpope/vim-fugitive'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
Plug 'airblade/vim-gitgutter'
Plug 'vim-scripts/grep.vim'
Plug 'vim-scripts/CSApprox'
Plug 'Raimondi/delimitMate'
Plug 'majutsushi/tagbar'
Plug 'w0rp/ale'
Plug 'Yggdroot/indentLine'
Plug 'avelino/vim-bootstrap-updater'
Plug 'sheerun/vim-polyglot'
Plug 'tpope/vim-rhubarb' " required by fugitive to :Gbrowse
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'sbdchd/neoformat'

if isdirectory('/usr/local/opt/fzf')
  Plug '/usr/local/opt/fzf' | Plug 'junegunn/fzf.vim'
else
  Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --bin' }
  Plug 'junegunn/fzf.vim'
endif
let g:make = 'gmake'
if exists('make')
        let g:make = 'make'
endif
Plug 'Shougo/vimproc.vim', {'do': g:make}

"" Vim-Session
Plug 'xolox/vim-misc'
Plug 'xolox/vim-session'

"" Snippets
Plug 'honza/vim-snippets'

"" Color
Plug 'tomasr/molokai'

"*****************************************************************************
"" Custom bundles
"*****************************************************************************

" java
"" Java Lang Bundle
Plug 'puremourning/vimspector'
"*****************************************************************************
"*****************************************************************************

"" Include user's extra bundle
if filereadable(expand("~/.config/nvim/local_bundles.vim"))
  source ~/.config/nvim/local_bundles.vim
endif

call plug#end()

" Required:
filetype plugin indent on


"*****************************************************************************
"" Basic Setup
"*****************************************************************************"
"" Encoding
set encoding=utf-8
set fileencoding=utf-8
set fileencodings=utf-8


"" Fix backspace indent
set backspace=indent,eol,start

"" Tabs. May be overridden by autocmd rules
set tabstop=4
set softtabstop=0
set shiftwidth=4
set expandtab

"" Map leader to ,
let mapleader=','

"" Enable hidden buffers
set hidden

"" Searching
set hlsearch
set incsearch
set ignorecase
set smartcase

set fileformats=unix,dos,mac

if exists('$SHELL')
    set shell=$SHELL
else
    set shell=/usr/bin/zsh
endif

" session management
let g:session_directory = "~/.config/nvim/session"
let g:session_autoload = "no"
let g:session_autosave = "no"
let g:session_command_aliases = 1

"*****************************************************************************
"" Visual Settings
"*****************************************************************************
syntax on
set ruler
set number

let no_buffers_menu=1
silent! colorscheme molokai

set mousemodel=popup
set t_Co=256
set guioptions=egmrti
set gfn=Monospace\ 10

if has("gui_running")
  if has("gui_mac") || has("gui_macvim")
    set guifont=Menlo:h12
    set transparency=7
  endif
else
  let g:CSApprox_loaded = 1

  " IndentLine
  let g:indentLine_enabled = 1
  let g:indentLine_concealcursor = 0
  let g:indentLine_char = '┆'
  let g:indentLine_faster = 1

  
endif



"" Disable the blinking cursor.
set gcr=a:blinkon0
set scrolloff=3

"" Status bar
set laststatus=2

"" Use modeline overrides
set modeline
set modelines=10

set title
set titleold="Terminal"
set titlestring=%F

set statusline=%F%m%r%h%w%=(%{&ff}/%Y)\ (line\ %l\/%L,\ col\ %c)\

" 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

if exists("*fugitive#statusline")
  set statusline+=%{fugitive#statusline()}
endif

" vim-airline
let g:airline_theme = 'powerlineish'
let g:airline#extensions#branch#enabled = 1
let g:airline#extensions#ale#enabled = 1
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tagbar#enabled = 1
let g:airline_skip_empty_sections = 1

"*****************************************************************************
"" Abbreviations
"*****************************************************************************
"" no one is really happy until you have this shortcuts
cnoreabbrev W! w!
cnoreabbrev Q! q!
cnoreabbrev Qall! qall!
cnoreabbrev Wq wq
cnoreabbrev Wa wa
cnoreabbrev wQ wq
cnoreabbrev WQ wq
cnoreabbrev W w
cnoreabbrev Q q
cnoreabbrev Qall qall

"" NERDTree configuration
let g:NERDTreeChDirMode=2
let g:NERDTreeIgnore=['\.rbc$', '\~$', '\.pyc$', '\.db$', '\.sqlite$', '__pycache__']
let g:NERDTreeSortOrder=['^__\.py$', '\/$', '*', '\.swp$', '\.bak$', '\~$']
let g:NERDTreeShowBookmarks=1
let g:nerdtree_tabs_focus_on_files=1
let g:NERDTreeMapOpenInTabSilent = '<RightMouse>'
let g:NERDTreeWinSize = 50
set wildignore+=*/tmp/*,*.so,*.swp,*.zip,*.pyc,*.db,*.sqlite
nnoremap <silent> <F2> :NERDTreeFind<CR>
nnoremap <silent> <F3> :NERDTreeToggle<CR>

" grep.vim
nnoremap <silent> <leader>f :Rgrep<CR>
let Grep_Default_Options = '-IR'
let Grep_Skip_Files = '*.log *.db'
let Grep_Skip_Dirs = '.git node_modules'

" terminal emulation
nnoremap <silent> <leader>sh :terminal<CR>


"*****************************************************************************
"" Commands
"*****************************************************************************
" remove trailing whitespaces
command! FixWhitespace :%s/\s\+$//e

"*****************************************************************************
"" Functions
"*****************************************************************************
if !exists('*s:setupWrapping')
  function s:setupWrapping()
    set wrap
    set wm=2
    set textwidth=79
  endfunction
endif

"*****************************************************************************
"" Autocmd Rules
"*****************************************************************************
"" The PC is fast enough, do syntax highlight syncing from start unless 200 lines
augroup vimrc-sync-fromstart
  autocmd!
  autocmd BufEnter * :syntax sync maxlines=200
augroup END

"" Remember cursor position
augroup vimrc-remember-cursor-position
  autocmd!
  autocmd BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g`\"" | endif
augroup END

"" txt
augroup vimrc-wrapping
  autocmd!
  autocmd BufRead,BufNewFile *.txt call s:setupWrapping()
augroup END

"" make/cmake
augroup vimrc-make-cmake
  autocmd!
  autocmd FileType make setlocal noexpandtab
  autocmd BufNewFile,BufRead CMakeLists.txt setlocal filetype=cmake
augroup END

set autoread

augroup fmt
  autocmd!
  autocmd BufWritePre * undojoin | Neoformat
augroup END
"*****************************************************************************
"" Mappings
"*****************************************************************************

"" Split
noremap <Leader>h :<C-u>split<CR>
noremap <Leader>v :<C-u>vsplit<CR>

"" Git
noremap <Leader>ga :Gwrite<CR>
noremap <Leader>gc :Gcommit<CR>
noremap <Leader>gsh :Gpush<CR>
noremap <Leader>gll :Gpull<CR>
noremap <Leader>gs :Gstatus<CR>
noremap <Leader>gb :Gblame<CR>
noremap <Leader>gd :Gvdiff<CR>
noremap <Leader>gr :Gremove<CR>

" session management
nnoremap <leader>so :OpenSession<Space>
nnoremap <leader>ss :SaveSession<Space>
nnoremap <leader>sd :DeleteSession<CR>
nnoremap <leader>sc :CloseSession<CR>

"" Tabs
nnoremap <Tab> gt
nnoremap <S-Tab> gT
nnoremap <silent> <S-t> :tabnew<CR>

"" Set working directory
nnoremap <leader>. :lcd %:p:h<CR>

"" Opens an edit command with the path of the currently edited file filled in
noremap <Leader>e :e <C-R>=expand("%:p:h") . "/" <CR>

"" Opens a tab edit command with the path of the currently edited file filled
noremap <Leader>te :tabe <C-R>=expand("%:p:h") . "/" <CR>

"" fzf.vim
set wildmode=list:longest,list:full
set wildignore+=*.o,*.obj,.git,*.rbc,*.pyc,__pycache__
let $FZF_DEFAULT_COMMAND =  "find * -path '*/\.*' -prune -o -path 'node_modules/**' -prune -o -path 'target/**' -prune -o -path 'dist/**' -prune -o  -type f -print -o -type l -print 2> /dev/null"

" The Silver Searcher
if executable('ag')
  let $FZF_DEFAULT_COMMAND = 'ag --hidden --ignore .git -g ""'
  set grepprg=ag\ --nogroup\ --nocolor
endif

" ripgrep
if executable('rg')
  let $FZF_DEFAULT_COMMAND = 'rg --files --hidden --follow --glob "!.git/*"'
  set grepprg=rg\ --vimgrep
  command! -bang -nargs=* Find call fzf#vim#grep('rg --column --line-number --no-heading --fixed-strings --ignore-case --hidden --follow --glob "!.git/*" --color "always" '.shellescape(<q-args>).'| tr -d "\017"', 1, <bang>0)
endif

cnoremap <C-P> <C-R>=expand("%:p:h") . "/" <CR>
nnoremap <silent> <leader>b :Buffers<CR>
nnoremap <silent> <leader>e :FZF -m<CR>
"Recovery commands from history through FZF
nmap <leader>y :History:<CR>

" snippets
let g:UltiSnipsExpandTrigger="<tab>"
let g:UltiSnipsJumpForwardTrigger="<tab>"
let g:UltiSnipsJumpBackwardTrigger="<c-b>"
let g:UltiSnipsEditSplit="vertical"

" ale
let g:ale_linters = {}

" Tagbar
nmap <silent> <F4> :TagbarToggle<CR>
let g:tagbar_autofocus = 1

" Disable visualbell
set noerrorbells visualbell t_vb=
if has('autocmd')
  autocmd GUIEnter * set visualbell t_vb=
endif

"" Copy/Paste/Cut
if has('unnamedplus')
  set clipboard=unnamed,unnamedplus
endif

noremap YY "+y<CR>
noremap <leader>p "+gP<CR>
noremap XX "+x<CR>

if has('macunix')
  " pbcopy for OSX copy/paste
  vmap <C-x> :!pbcopy<CR>
  vmap <C-c> :w !pbcopy<CR><CR>
endif

"" Buffer nav
noremap <leader>z :bp<CR>
noremap <leader>q :bp<CR>
noremap <leader>x :bn<CR>
noremap <leader>w :bn<CR>

"" Close buffer
noremap <leader>c :bd<CR>

"" Clean search (highlight)
nnoremap <silent> <leader><space> :noh<cr>

"" Switching windows
noremap <C-j> <C-w>j
noremap <C-k> <C-w>k
noremap <C-l> <C-w>l
noremap <C-h> <C-w>h

"" Vmap for maintain Visual Mode after shifting > and <
vmap < <gv
vmap > >gv

"" Move visual block
vnoremap J :m '>+1<CR>gv=gv
vnoremap K :m '<-2<CR>gv=gv

"" Open current line on GitHub
nnoremap <Leader>o :.Gbrowse<CR>

"*****************************************************************************
"" Custom configs
"*****************************************************************************




"*****************************************************************************
"*****************************************************************************

"" Include user's local vim config
if filereadable(expand("~/.config/nvim/local_init.vim"))
  source ~/.config/nvim/local_init.vim
endif

"*****************************************************************************
"" Convenience variables
"*****************************************************************************

" vim-airline
if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif

if !exists('g:airline_powerline_fonts')
  let g:airline#extensions#tabline#left_sep = ' '
  let g:airline#extensions#tabline#left_alt_sep = '|'
  let g:airline_left_sep          = '▶'
  let g:airline_left_alt_sep      = '»'
  let g:airline_right_sep         = '◀'
  let g:airline_right_alt_sep     = '«'
  let g:airline#extensions#branch#prefix     = '⤴' "➔, ➥, ⎇
  let g:airline#extensions#readonly#symbol   = '⊘'
  let g:airline#extensions#linecolumn#prefix = '¶'
  let g:airline#extensions#paste#symbol      = 'ρ'
  let g:airline_symbols.linenr    = '␊'
  let g:airline_symbols.branch    = '⎇'
  let g:airline_symbols.paste     = 'ρ'
  let g:airline_symbols.paste     = 'Þ'
  let g:airline_symbols.paste     = '∥'
  let g:airline_symbols.whitespace = 'Ξ'
else
  let g:airline#extensions#tabline#left_sep = ''
  let g:airline#extensions#tabline#left_alt_sep = ''

  " powerline symbols
  let g:airline_left_sep = ''
  let g:airline_left_alt_sep = ''
  let g:airline_right_sep = ''
  let g:airline_right_alt_sep = ''
  let g:airline_symbols.branch = ''
  let g:airline_symbols.readonly = ''
  let g:airline_symbols.linenr = ''
endif

" -------------------------------------------------------------------------------------------------
" coc.nvim default settings
" -------------------------------------------------------------------------------------------------

" if hidden is not set, TextEdit might fail.
set hidden
" Better display for messages
set cmdheight=2
" Smaller updatetime for CursorHold & CursorHoldI
set updatetime=300
" don't give |ins-completion-menu| messages.
set shortmess+=c
" always show signcolumns
set signcolumn=yes

" Use tab for trigger completion with characters ahead and navigate.
" Use command ':verbose imap <tab>' to make sure tab is not mapped by other plugin.
inoremap <silent><expr> <TAB>
      \ pumvisible() ? "\<C-n>" :
      \ <SID>check_back_space() ? "\<TAB>" :
      \ coc#refresh()
inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

function! s:check_back_space() abort
  let col = col('.') - 1
  return !col || getline('.')[col - 1]  =~# '\s'
endfunction

" Use <c-space> to trigger completion.
inoremap <silent><expr> <c-space> coc#refresh()

" Use `[c` and `]c` to navigate diagnostics
nmap <silent> [c <Plug>(coc-diagnostic-prev)
nmap <silent> ]c <Plug>(coc-diagnostic-next)

" Remap keys for gotos
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

" Use U to show documentation in preview window
nnoremap <silent> U :call <SID>show_documentation()<CR>

" Remap for rename current word
nmap <leader>rn <Plug>(coc-rename)

" Remap for format selected region
vmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)
" Show all diagnostics
nnoremap <silent> <space>a  :<C-u>CocList diagnostics<cr>
" Manage extensions
nnoremap <silent> <space>e  :<C-u>CocList extensions<cr>
" Show commands
nnoremap <silent> <space>c  :<C-u>CocList commands<cr>
" Find symbol of current document
nnoremap <silent> <space>o  :<C-u>CocList outline<cr>
" Search workspace symbols
nnoremap <silent> <space>s  :<C-u>CocList -I symbols<cr>
" Do default action for next item.
nnoremap <silent> <space>j  :<C-u>CocNext<CR>
" Do default action for previous item.
nnoremap <silent> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list
nnoremap <silent> <space>p  :<C-u>CocListResume<CR>



" java format settings
let g:neoformat_java_google = {
            \ 'exe': 'java',
            \ 'args': ['-jar /opt/google-java-format/google-java-format.jar -'],
            \ 'stdin': 1, 
            \ }

let g:neoformat_enabled_java = ['google']

augroup fmt
  autocmd!
  autocmd BufWritePre * undojoin | Neoformat
augroup END