personal vimrc file 2018-08

.vimrc

" Author:               Emerick Bosch
" Date Last Updated:    August 2018

"""""""""""
" Plugins "
"""""""""""

  " ---- Vundle header start ----
  set nocompatible " used iMproved mode (required by Vundle)
  filetype off " required by Vundle

  " set runtime path to include Vundle
  set rtp+=~/.vim/bundle/Vundle.vim
  " initialize
  call vundle#begin()
  " ---- Vundle header end ----

  " core
  Plugin 'gmarik/Vundle.vim'
  Plugin 'scrooloose/nerdtree'

  " movement
  Plugin 'Lokaltog/vim-easymotion'

  " input
  Plugin 'tpope/vim-surround'

  " syntax
  Plugin 'vim-syntastic/syntastic'

  " colour
  Plugin 'chriskempson/base16-vim'

  " autocompletion
  Plugin 'Valloric/YouCompleteMe'

  " status bar
  Plugin 'bling/vim-airline'
  Plugin 'vim-airline/vim-airline-themes'

  " git
  Plugin 'tpope/vim-fugitive'
  Plugin 'kien/ctrlp.vim'

  " ---- Vundle footer start ----
  call vundle#end() " required by Vundle
  filetype plugin indent on
  " ---- Vundle footer end ----

""""""""""""""""
" Key Bindings "
""""""""""""""""

  " leader: the special character with which to start commands
  let mapleader=","

  " edit .vimrc
  nnoremap <leader>v :e ~/.vimrc<CR>

  " source .vimrc
  nnoremap <leader>o :so %<CR>

  map <space> <Plug>(easymotion-prefix)

  " run ruby
  nnoremap <leader>r :!/usr/bin/env ruby %<CR>

  " edit .vimrc
  nnoremap <Left> :bp<CR>

  " edit .vimrc
  nnoremap <Right> :bn<CR>

  " source rc file
  nnoremap <leader>s :so ~/.vimrc<CR>:nohl<CR>

  " automatic bracket completion in INSERT mode
  inoremap {<Enter> {<Enter>}<Esc>O<Tab>

  " remap ctrl-F to autocomplete file-names in INSERT mode
  inoremap <C-f> <C-x><C-f>

  " NERDTree
  nnoremap <Up> :NERDTreeToggle<CR>
  nnoremap <Down> :NERDTreeFind<CR>

  " Speed up ctrl p
  let g:ctrlp_user_command = ['.git', 'cd %s && git ls-files . --cached --exclude-standard']

  " FKeys
  nnoremap <F10> :nohl<CR>

""""""""""""""
" Appearance "
""""""""""""""

  set showmatch " show matching bracket
  set number " line numbers
  set scrolloff=20 " scroll to keep cursor # lines from screen edge
  set laststatus=2 " always show file path
  syntax on " syntax highlighting
  set list
  set listchars=tab:>- " show tab characters
  set cursorline " highlight the line the cursor is on

  " Read the colorscheme file provided by base16 shell
  " see also https://github.com/chriskempson/base16-shell#base16-vim-users
  if filereadable(expand("~/.vimrc_background"))
    let base16colorspace=256
    source ~/.vimrc_background
  endif

"""""""""
" Input "
"""""""""

  " keyboard
  set whichwrap+=<,>,h,l " h and l will wrap to the next/previsous line

  " mouse
  set mouse=a  " allow mouse-click

  " indentations
  set smarttab " makes tabs at the beginning of a line an indent
  set shiftwidth=4 " size of indent
  set tabstop=4 " size of tab
  set autoindent " new line has indent of previous line
  set expandtab " converts tabs to spaces

  " line wraping
  set textwidth=0 " don't automatically wrap lines

  " autocompletion
  set wildmenu " tab-completion in command-mode
  set wildmode=longest,list " filename completion, show list if many

""""""""""""""""""""""""""""""
" Searching and highlighting "
""""""""""""""""""""""""""""""

  " within buffer
  set incsearch " incremental search
  set hlsearch " highlight all matches

  " vim grep
  set grepprg=ag\ --nogroup\ --nocolor
  set grepformat=%f:%l:%c:%m

  " speed up the ctrl-P by using the silver searcher
  " see also https://github.com/ggreer/the_silver_searcher
  let g:ctrlp_cache_dir = $HOME . '/.cache/ctrlp'
  let g:ctrlp_user_command = 'ag %s -l --nocolor -g ""'

""""""""""""""""""""""""""""""""""""
" Text formatting and manipulation "
""""""""""""""""""""""""""""""""""""

  fun! TrimWhitespace()
      let l:save = winsaveview()
      %s/\s\+$//e
      call winrestview(l:save)
  endfun

  autocmd BufWritePre * :call TrimWhitespace() " trim whitespace before saving

  " correct line endings etc
  set fileformat=unix

  " format json - requires python
  command FormatJSON %!python -m json.tool

"""""""""""""""
" Performance "
"""""""""""""""

  set lazyredraw " no output while running macro
  set ttyfast " better redrawing