vimrc

"
" Read over this entire file carefully!
"
set nocompatible    " be improved vi!
set showcmd         " show commands in bottom right-hand corner
set laststatus=2    " always show the status line
set ruler           " line and col # of cursor
set nonu            " line numbers off (use :<number> to jump to lines!)
set nowrap          " line wrapping off
set fo-=t           " don't auto-wrap when typing
set timeoutlen=250  " time to wait after ESC (default causes an annoying delay)
set noerrorbells    " no noise
set wildmenu        " enhanced command-line 'wildchar' (e.g. <Tab>) completion

" GUI-specific
if has("gui_running")
  set guioptions-=m   " remove menu bar
  set guioptions-=T   " remove toolbar
  set guioptions+=a   " yank to system clipboard
  colorscheme railscasts
  " GVim
  if has("gui_gtk2")
    set lines=999 columns=999 " maximize gvim window.
    set guifont=Monaco\ 9.1
  " OSX, Windows
  elseif has("gui_win32") || has("gui_macvim")
    set guifont=Monaco:h9.1 " (untested)
  endif
else
  " TODO alternative: use 'godlygeek/csapprox' plugin, or for 256-color terms
  "  there is also a 256-color railscasts theme out there.
  colorscheme default
endif

" Searching
set incsearch   " show matches as search is typed
set hlsearch    " highight matches (see Key mappings below for hiding highlight)

" Folding
" NOTE: look in syntax.txt help file for language-specific folding
"         (e.g. :let ruby_fold = 1)
set foldmethod=indent " fold based on indent
set foldnestmax=10    " deepest fold is 10 levels
set nofoldenable      " dont fold by default
set foldlevel=1       " this is just what i use

" Formatting, Movement
set expandtab                   " insert spaces instead of tabs
set tabstop=4                   " tabs are 4 spaces
set softtabstop=4
set shiftwidth=4                " tabs under smart indent
set autoindent                  " copy current line indent to next line
set backspace=start,indent,eol  " what we can backspace over
set virtualedit=block           " see :h virtualedit

" turn on syntax highlighting
let java_highlight_java_lang_ids=1
syntax enable

" highlight trailing whitespace
highlight ExtraWhitespace ctermbg=red guibg=red
match ExtraWhitespace /\s\+$/
autocmd BufWinEnter * match ExtraWhitespace /\s\+$/
autocmd InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
autocmd InsertLeave * match ExtraWhitespace /\s\+$/
autocmd BufWinLeave * call clearmatches()
" TODO: Had to add these two lines b/c otherwise highlighting did not work
"  when entering file types defined in ftdetect (at least python, ruby). Why?
autocmd BufWinEnter * highlight ExtraWhitespace ctermbg=red guibg=red
autocmd InsertLeave * highlight ExtraWhitespace ctermbg=red guibg=red

" uncomment to open QuickFix window after :grep
"autocmd QuickFixCmdPost *grep* cwindow

" Key mappings
"
" WARNING! too many core functionality mappings will cause config reliance
"
" exit insert mode with 'k' and 'd' pressed simultaneously
imap kd <Esc>
imap dk <Esc>
" auto-complete word with 'f' and 'j' pressed simultaneously
imap fj <C-n>
imap jf <C-n>
" clear the search register with '.' and '/' pressed simultaneously
" (also clears highlight, normally done with :noh)
nmap <silent> ./ :let@/=""<CR>
nmap <silent> /. :let@/=""<CR>
" quickfix next, prev
" (e.g. :vimgrep for something, then navigate through results with next/prev)
map <C-p> :cp<CR>
map <C-n> :cn<CR>
" save the current session to a default location:
map <C-s> :mksession! ~/.vimsessions/session.vim<CR>
" comma is <Leader>
let mapleader = ','
" write file quicker!
map <Leader>w :w<Esc>
" faster folding
nnoremap <space> za
vnoremap <space> zf
nnoremap <S-space> zO

if has('vim_starting')
  set nocompatible               " Be iMproved
endif

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

"
" Plugins (uses vim-plug)
"
" See https://github.com/junegunn/vim-plug
"
" NOTE: comments after Plug commands are not allowed

"" Fuzzy file finder
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
"" Highlight python errors (syntax, import, etc.)
Plug 'kevinw/pyflakes-vim'
"" NERD Tree file explorer
Plug 'preservim/nerdtree'
"" Really awesome git wrapper
Plug 'tpope/vim-fugitive'
"" Manipulate 'surroundings': parentheses, brackets, quotes, HTML tags, and more
Plug 'tpope/vim-surround'
"" Allows using '.' to repeat plugin maps, not just built-in commands
Plug 'tpope/vim-repeat'
"" Requirements for vim-snipmate (see below)
Plug 'MarcWeber/vim-addon-mw-utils'
Plug 'tomtom/tlib_vim'
"" Support for Textmate-style snippits, and a library of snippits
Plug 'garbas/vim-snipmate'
Plug 'honza/vim-snippets'
"" Puppet syntax, snippits for snipmate, etc.
Plug 'rodjek/vim-puppet'
"" Advanced matching for %
Plug 'vim-scripts/matchit.zip'
"" Scala language
Plug 'derekwyatt/vim-scala'
"" Golang
Plug 'fatih/vim-go', { 'do': ':GoUpdateBinaries' }
"" Javascript
Plug 'pangloss/vim-javascript'
"" Prettier - auto format javascript, less, scss, css, json, graphql, md
Plug 'prettier/vim-prettier', { 'do': 'yarn install' }
"" TICKScript
Plug 'nathanielc/vim-tickscript'
"" Elixir
Plug 'elixir-editors/vim-elixir'
"" Nginx
Plug 'chr4/nginx.vim'
"" Roku BrightScript
Plug 'chooh/brightscript.vim'
"" Markdown (tabular plugin is required to come before)
Plug 'godlygeek/tabular'
Plug 'plasticboy/vim-markdown'
"" JSON highlighting
Plug 'elzr/vim-json'
"" Goyo and Limelight = Distraction-free mode
Plug 'junegunn/goyo.vim'
Plug 'junegunn/limelight.vim'

call plug#end()

" NOTE! This must be set after Vundle Bundles declared
" Attempt to determine the type of a file based on its name and possibly its
" contents, to allow intelligent auto-indenting for each filetype, and for
" plugins that are filetype specific.
filetype indent plugin on

"
" Plug-in settings and key mappings
"

" NerdTree
map <Leader>t :execute 'NERDTreeToggle' . getcwd()<Esc>
map <Leader>T :execute 'NERDTree'<Esc>

" fzf
map <Leader>f :Files<Esc>

" pyflakes
let g:pyflakes_use_quickfix=0

" vim-go
" any gofmt-on-save errors cause quickfix to pop up -- annoying
let g:go_fmt_fail_silently = 0

" vim-prettier
" (Removed customizations for now.)

" vim-markdown
let g:markdown_fenced_languages = ['html', 'css', 'scss', 'sql', 'javascript', 'go', 'python', 'bash=sh', 'c', 'ruby', 'json']

" Goyo
function! s:goyo_enter()
  silent !tmux set status off
  silent !tmux list-panes -F '\#F' | grep -q Z || tmux resize-pane -Z
  set noshowmode
  set noshowcmd
  set scrolloff=999
  " Uncomment Limelight to highlight current paragraph(s)
  "Limelight
endfunction

function! s:goyo_leave()
  silent !tmux set status on
  silent !tmux list-panes -F '\#F' | grep -q Z && tmux resize-pane -Z
  set showmode
  set showcmd
  set scrolloff=5
  "Limelight!
endfunction

autocmd! User GoyoEnter nested call <SID>goyo_enter()
autocmd! User GoyoLeave nested call <SID>goyo_leave()