.vimrc for working on remote server

.vimrc

" 1. performance settings
set synmaxcol=300
set noshowmatch
set lazyredraw
set ttyfast
set nocursorline

" leader key
let mapleader = "\<space>"
set timeoutlen=1000 ttimeoutlen=0

" 2. Directories

" Save temporary/backup files not in the local directory, but in your ~/.local
" directory, to keep them out of git repos. 
set backupdir=~/.vim/backup//
set directory=~/.vim/swap//

" Keep undo history across sessions by storing it in a file
if has('persistent_undo')
  set undodir=~/.vim/undo//
  set undofile
  set undolevels=1000
  set undoreload=10000
endif

augroup tempfile
  autocmd!
  autocmd BufWritePre /tmp/* setlocal noundofile
augroup END

function! s:DiffWithSaved()
  let filetype=&ft
  diffthis
  vnew | r # | normal! 1Gdd
  diffthis
  exe "setlocal bt=nofile bh=wipe nobl noswf ro ft=" . filetype
endfunction
command! DiffSaved call s:DiffWithSaved()

" 3. Layout

" Default position for new windows
set splitright splitbelow

" Space above/beside cursor from screen edges
set scrolloff=5
set sidescrolloff=5

" Keep the line number gutter narrow so three digits is cozy.
set numberwidth=2

" display the absolute line number at the line you're on
augroup numbertoggle
  autocmd!
  autocmd BufEnter,FocusGained,InsertLeave,WinEnter * set nu rnu
  autocmd BufLeave,FocusLost,InsertEnter,WinLeave   * set nu nornu
augroup END

if has('nvim')
  augroup numbertoggle_term
    " Disables number lines on terminal buffers
    autocmd BufEnter,FocusGained,InsertLeave,WinEnter term://* set nu nornu
    autocmd BufLeave,FocusLost,InsertEnter,WinLeave   term://* set nonu nornu
    autocmd TermOpen * :set nonu nornu
  augroup END
end

" Highlight search results
set hlsearch
autocmd cursormoved * set nohlsearch
autocmd cursorhold * set hlsearch
" Incremental search, search as you type
set incsearch
" Ignore case when searching
set ignorecase smartcase

" highlight tabs and trailing spaces
set list listchars=tab:\|\ ,trail:·
set showbreak=↪\ \ \ 

" folding
set nofoldenable
set foldmethod=syntax
set foldlevelstart=1      " folds with level 1 aren't closed
nmap <leader><leader> za
vmap <leader><leader> za


" visual stuff
let g:indentLine_setColors = 1
let g:indentLine_char = '│'

" better display for messages
set cmdheight=2
set laststatus=2

" theme
syntax enable
set background=dark
colorscheme evening
set linespace=3

" 4. File types

filetype plugin indent on

" Set standard file encoding
set encoding=utf8

" 2 spaces for tabs and shifts
set tabstop=2 softtabstop=2 shiftwidth=2 expandtab smarttab

set autoindent

" treat dash as word
set iskeyword+=-

" Remember last location in file, but not for commit messages.
" see :help last-position-jump
au BufReadPost * if &filetype !~ '^git\c' && line("'\"") > 0 && line("'\"") <= line("$")
      \| exe "normal! g`\"" | endif

" php
autocmd FileType php setlocal commentstring=//\ %s
hi phpUseNamespaceSeparator guifg=#808080 guibg=NONE gui=NONE
hi phpClassNamespaceSeparator guifg=#808080 guibg=NONE gui=NONE

syn match phpParentOnly "[()]" contained containedin=phpParent
hi phpParentOnly guifg=#f08080 guibg=NONE gui=NONE

" vimrc
autocmd FileType vim setlocal commentstring=\"\ %s

" 5. Terminal

" allow terminal to run in background
set hidden

" neovim terminal
if has('nvim')
  " Terminal go back to normal mode
  tnoremap <Esc> <C-\><C-n>
  tnoremap :q! <C-\><C-n>:q!<CR>
  " still be able to send Esc to terminal programs
  tnoremap <C-v><Esc> <Esc>
  " windows movement
  " tnoremap <a-h> <c-\><c-n><c-w>h
  " tnoremap <a-j> <c-\><c-n><c-w>j
  " tnoremap <a-k> <c-\><c-n><c-w>k
  " tnoremap <a-l> <c-\><c-n><c-w>l
  " distinguish terminal cursor
  " highlight! link TermCursor Cursor
  " highlight! TermCursorNC guibg=white guifg=red ctermbg=15 ctermfg=1
  
  augroup neovim_terminal
    autocmd!
    " Enter Terminal-mode (insert) automatically
    autocmd TermOpen * startinsert
  augroup END

endif
" nnoremap <Leader>t :let $WORKING_DIR=expand('%:p:h')<CR>:terminal<CR>a cd $WORKING_DIR<CR>
" nnoremap <leader>g :Tig<cr>
" nnoremap <leader>t :tabnew +terminal<cr>
nnoremap <leader><cr> :terminal ++curwin<cr>
nnoremap <c-g> :!git 
au FileType gitcommit execute "normal! O" | startinsert

" 6. Mappings

" folder wide search
" set grepprg=rg\ --vimgrep\ --glob=!tags
nmap <leader>g :grep 

" Set // to search the current visual selection
vnoremap * y/\V<C-r>=escape(@",'/\')<CR><CR>N

" Search and Replace
nmap <leader>s :%s///g<Left><Left>
nmap <leader>r *Ncgn

" Make the dot command work as expected in visual mode (via
" https://www.reddit.com/r/vim/comments/3y2mgt/do_you_have_any_minor_customizationsmappings_that/cya0x04)
vnoremap . :norm.<CR>

" copy and paste
" noremap <Leader>y "+y
noremap <leader>p "+p
noremap <leader>d "+d
noremap <leader>y "+y
" noremap 0p "0p
" paste in insert and command mode
imap <C-v> <C-r>+
cmap <C-v> <C-r>+
" delete in insert mode
inoremap <C-d> <Del>

" toggle paste in cmd only
" nnoremap <Leader>i :set invpaste<CR>

" Enable mouse support
set mouse=a

" Set this to the name of your terminal that supports mouse codes.
" Must be one of: xterm, xterm2, netterm, dec, jsbterm, pterm
if !has('nvim')
  set ttymouse=xterm2
endif

" Quickly select the text that was just pasted. This allows you to, e.g.,
" indent it after pasting.
noremap gV `[v`]

" Stay in visual mode when indenting. You will never have to run gv after
" performing an indentation.
vnoremap < <gv
vnoremap > >gv

" Make Ctrl-e jump to the end of the current line in the insert mode. This is
" handy when you are in the middle of a line and would like to go to its end
" without switching to the normal mode.
" Map Ctrl-A -> Start of line, Ctrl-E -> End of line
inoremap <C-a> <C-o>0
inoremap <C-e> <C-o>$

" Moving lines up/down
vnoremap J :m '>+1<CR>gv=gv
vnoremap K :m '<-2<CR>gv=gv

" Make cursor move by visual lines instead of file lines (when wrapping)
noremap k gk
noremap j gj

" Mappings to access buffers (don't use "\p" because a
" delay before pressing "p" would accidentally paste).
" \l       : list buffers
" \b \f \g : go back/forward/last-used
" \1 \2 \3 : go to buffer 1/2/3 etc
nnoremap <leader>b :buffers<cr>:buffer *
" nnoremap <leader>b :Buffers<cr>
nnoremap <leader>l :ls<cr>
nnoremap <leader>q :bd!<cr>
" nnoremap <leader>q :bp<bar>sp<bar>bn<bar>bd!<CR>
"nnoremap <Leader>g :e#<CR>
nnoremap <leader>t :tabnew<cr>
noremap <leader><bs> :close<cr>
nnoremap <Tab> :tabn<CR>
nnoremap <s-Tab> :tabp<CR>

" Jump back to last edited buffer
nnoremap <C-b> <C-^>
inoremap <C-b> <esc><C-^>

" don't use arrow keys
" inoremap  <Up>     <NOP>
" inoremap  <Down>   <NOP>
" inoremap  <Left>   <NOP>
" inoremap  <Right>  <NOP>
noremap   <Up>     <NOP>
noremap   <Down>   <NOP>
noremap   <Left>   <NOP>
noremap   <Right>  <NOP>

" Use arrow keys to resize panes instead
nnoremap <Left> :vertical resize +1<CR>
nnoremap <Right> :vertical resize -1<CR>
nnoremap <Up> :resize -1<CR>
nnoremap <Down> :resize +1<CR>

" Open splits
nmap <leader>\| :vsplit<cr>
nmap <leader>- :split<cr>

" save
nnoremap <C-s> :w<cr>
inoremap <C-s> <esc>:w<cr>

" Quick edit vimrc
nnoremap <leader>ev :e $MYVIMRC<cr>
nnoremap <leader>sv :source $MYVIMRC<cr>

" abbreviations
iabbrev pp \|>

" finding files
" search down into subfolders
" provides tab-complettion for all file-related tasks
set path=.,**
set wildignore+=**/node_modules/**
set wildignore+=**/.git/**
set wildignore+=**/deps/**
set wildignore+=**/_build/**
nnoremap <leader>f :e **/*
map - :e %:h

" display all matching files when we tab complete
set wildmenu


" MUcomplete
set completeopt+=menuone
set completeopt+=noselect
" set completeopt+=noinsert
set shortmess+=c   " Shut off completion messages
set belloff+=ctrlg " If Vim beeps during completion

nmap <leader>1 1gt
nmap <leader>2 2gt
nmap <leader>3 3gt
nmap <leader>4 4gt
nmap <leader>5 5gt
nmap <leader>6 6gt
nmap <leader>7 7gt
nmap <leader>8 8gt
nmap <leader>9 9gt

" quickfix shortcuts
nmap ]q :cnext<cr>
nmap ]Q :clast<cr>
nmap [q :cprev<cr>
nmap [Q :cfirst<cr>

" save as new file in same dir
nnoremap <leader>c :w %:h/