.vimrc

set nocompatible
filetype off

"auto-install vim-plug
if empty(glob("~/.vim/autoload/plug.vim"))
    execute '!curl -fLo ~/.vim/autoload/plug.vim --create-dirs https://raw.github.com/junegunn/vim-plug/master/plug.vim'
    autocmd VimEnter * PlugInstall
endif

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

Plug 'tpope/vim-sensible'
Plug 'tpope/vim-surround'
Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-dispatch'
Plug 'bling/vim-airline'
Plug 'rking/ag.vim'
Plug 'airblade/vim-gitgutter'
Plug 'http://github.com/kien/ctrlp.vim'
Plug 'scrooloose/syntastic'
Plug 'scrooloose/nerdtree'
Plug 'jistr/vim-nerdtree-tabs'
Plug 'Xuyuanp/nerdtree-git-plugin'
Plug 'pangloss/vim-javascript', { 'for': 'javascript' }
Plug 'elixir-lang/vim-elixir'
Plug 'crusoexia/vim-monokai'
Plug 'lambdatoast/elm.vim', { 'for': 'elm' }
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'
Plug 'junegunn/rainbow_parentheses.vim'
Plug 'kchmck/vim-coffee-script'

call plug#end()

set incsearch
set shiftwidth=2
set expandtab
set autoindent
set softtabstop=2
if !has('nvim')
  set ttymouse=xterm2
endif
set mouse=a

colorscheme monokai
let g:rehash256 = 1

"Highlighting
syntax on
set hlsearch
" Line Numbers
set nu
" Ignore case when searching unless search string contains upper case
"set ignorecase
"set smartcase
set laststatus=2
set ruler
set rulerformat=%25([%{&fileformat}]%14(%l,%c%V%)%=%4P%)

set backspace=2
set hidden

"Indent
set cindent
set cinoptions=(0

"Indent colors
set background=dark

"folding
set foldmethod=syntax
set foldlevelstart=1

let javaScript_fold=1         " JavaScript
let perl_fold=1               " Perl
let php_folding=1             " PHP
let r_syntax_folding=1        " R
let ruby_fold=1               " Ruby
let sh_fold_enabled=1         " sh
let vimsyn_folding='af'       " Vim script
let xml_syntax_folding=1      " XML

" Automatic formatting
autocmd BufWritePre *.rb :%s/\s\+$//e
autocmd BufWritePre *.go :%s/\s\+$//e
autocmd BufWritePre *.haml :%s/\s\+$//e
autocmd BufWritePre *.html :%s/\s\+$//e
autocmd BufWritePre *.scss :%s/\s\+$//e
autocmd BufWritePre *.slim :%s/\s\+$//e

" format the entire file
nmap <leader>fef ggVG=

" Search setup
nnoremap <silent> <F4> :call <SID>SearchMode()<CR>
function s:SearchMode()
  if !exists('s:searchmode') || s:searchmode == 0
    echo 'Search next: scroll hit to middle if not on same page'
    nnoremap <silent> n n:call <SID>MaybeMiddle()<CR>
    nnoremap <silent> N N:call <SID>MaybeMiddle()<CR>
    let s:searchmode = 1
  elseif s:searchmode == 1
    echo 'Search next: scroll hit to middle'
    nnoremap n nzz
    nnoremap N Nzz
    let s:searchmode = 2
  else
    echo 'Search next: normal'
    nunmap n
    nunmap N
    let s:searchmode = 0
  endif
endfunction

" If cursor is in first or last line of window, scroll to middle line.
function s:MaybeMiddle()
  if winline() == 1 || winline() == winheight(0)
    normal! zz
  endif
endfunction

" CtrlP
let g:ctrlp_working_path_mode = 'ra'
" let g:ctrlp_by_filename = 1
" let g:ctrlp_max_files = 1000
" let g:ctrlp_max_depth = 5
let g:ctrlp_user_command = ['.git/', 'git --git-dir=%s/.git ls-files -oc --exclude-standard']

" NERDTree
autocmd vimenter * NERDTree
autocmd vimenter * wincmd p
nmap <leader>n :NERDTreeToggle<CR>
let NERDTreeHighlightCursorline=1

" NERDTree enable for 'vim' and 'vim .'
autocmd StdinReadPre * let s:std_in=1
autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif

" Vim exit if NERDTree is last window
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif


" Syntastic
set statusline+=%#warningmsg#
set statusline+=%{SyntasticStatuslineFlag()}
set statusline+=%*

let g:syntastic_always_populate_loc_list = 1
let g:syntastic_auto_loc_list = 1
let g:syntastic_check_on_open = 1
let g:syntastic_check_on_wq = 0

let g:syntastic_javascript_checkers = ['eslint']

" Git shortcuts
nnoremap <space>gb :Git branch<Space>
nnoremap <space>gc :Git commit --verbose<CR>
nnoremap <space>gca :Git commit --verbose --all<CR>
nnoremap <space>gco :Git checkout<Space>
nnoremap <space>gfm :Dispatch! git pull<CR>
nnoremap <space>gg :Ggrep<Space>
nnoremap <space>gm :Git merge<Space>
nnoremap <space>gwS :Gstatus<CR>
nnoremap <space>gd :Gdiff<CR>

"Create :Find command for fzf and rg
" --column: Show column number
" --line-number: Show line number
" --no-heading: Do not show file headings in results
" --fixed-strings: Search term as a literal string
" --ignore-case: Case insensitive search
" --no-ignore: Do not respect .gitignore, etc...
" --hidden: Search hidden files and folders
" --follow: Follow symlinks
" --glob: Additional conditions for search (in this case ignore everything in the .git/ folder)
" --color: Search color options
command! -bang -nargs=* Find call fzf#vim#grep('rg --column --line-number --no-heading --fixed-strings --ignore-case --no-ignore --hidden --follow --glob "!.git/*" --color "always" '.shellescape(<q-args>), 1, <bang>0)

"use ripgrep for grepprg
set grepprg=rg\ --vimgrep