vim configurations

.vimrc

" must be set first; prevents maintaining compatibility with Vi
set nocompatible

" SYSTEM ======================================================================
  
" keep these necessary files from being littered all over the machine
set undodir=~/.vim/undo//
set backupdir=~/.vim/backup//
set directory=~/.vim/swp//

" HELPER FUNCTIONS ============================================================
" source a file if it exists
function! SourceIfExists(filename)
  if filereadable(a:filename) | execute 'source ' . a:filename | endif
endfunction

" Vundle ======================================================================
" required to begin Vundle
filetype off
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" source Vim plugins we've standardized around
call SourceIfExists($HOME . '/.vundle')

" source local additional plugins
call SourceIfExists($HOME . '/.vundle.local')

" required to end Vundle
call vundle#end()
filetype plugin indent on


" INPUT =======================================================================

" make Vim more compatible with other filesystems
au BufWritePre set nobomb     " don't set byte-order-mark on files
set encoding=utf-8            " all opened files should be UTF-8

" make Vim behave more like other editors
set backspace=indent,eol,start  " enable backspacing through whitespace
set virtualedit=all             " cursor can move past the end of the line
set mouse=a                     " enable mouse reporting/highlighting/scrolling

" use the system clipboard as the default register
set clipboard=unnamedplus,unnamed

" change the default tabs to two spaces
set expandtab     " use soft-tabs
set softtabstop=2 " default twp-space soft tabs
set shiftwidth=2  " auto-indent with 2 spaces

" NAVIGATION ==================================================================

" a leader key convenient in any keyboard layout
let mapleader=' '

" shortcuts for working with the quickview window
map <leader>cn :cnext<CR>     " next item in quickview
map <leader>cp :cprevious<CR> " previous item in quickview
map <leader>co :copen<CR>     " open quickview

" navigate split windows via ctrl-h/j/k/l
nnoremap <C-J> <C-W>j
nnoremap <C-K> <C-W>k
nnoremap <C-H> <C-W>h
nnoremap <C-L> <C-W>l

" generate ctags from within Vim
command Ctags !ctags -R

" VISUALS =====================================================================

syntax on        " enable syntax highlighting
set number       " show line number on left side
set ruler        " show column/line # on bottom-right
set nowrap       " don't wrap lines
set laststatus=2 " show statusline at the bottom
set showcmd      " show partial command input on bottom-right

" show invisible charactes
set list
set listchars=tab:⸘⸘,trail:⸘,extends:»,precedes:«

" modify cursor depending on mode
let &t_SI = "\<Esc>]50;CursorShape=1\x7"
let &t_EI = "\<Esc>]50;CursorShape=0\x7"

" shortcuts for common visual changes
map <leader>w :set wrap!<CR>               " toggle line wrapping
map <leader>r :set relativenumber!<CR>     " toggle relative/normal line numbers
map <leader>b :call ToggleBackground()<CR> " toggle between light/dark backgrounds

set guifont=Menlo:h18       " Set font to a reasonable size for GUI clients (eg Macvim)

" FILETYPES ===================================================================

au BufNewFile,BufRead *.go set filetype=go
au BufNewFile,BufRead *.json set filetype=javascript
au BufNewFile,BufRead *.md,*.markdown set filetype=markdown
au BufNewFile,BufRead *.gemspec,[gG]uardfile,[gG]emfile,[cC]apfile,[rR]akefile,*.ru set filetype=ruby
au BufNewFile,BufRead *.slim set filetype=slim
au BufNewFile,BufRead *.psql set filetype=sql
au BufNewFile,BufRead *.vundle,*.vundle.local set filetype=vim

" SEARCH ======================================================================

set hlsearch   " highlight search results
set incsearch  " enable incremental searching
set ignorecase " searches are case insensitive...
set smartcase  " unless they contain a capital letter

" center the screen on search results
nnoremap n  nzz
nnoremap N  Nzz
nnoremap *  *zz
nnoremap #  #zz
nnoremap g* g*zz
nnoremap g# g#zz

.vundle

Plugin 'gmarik/Vundle.vim'                  " vim bundle manager
Plugin 'bling/vim-airline'                  " better status line
Plugin 'kien/ctrlp.vim'                     " fuzzy-finder purely in VimL
Plugin 'scrooloose/syntastic'               " syntax checking
"Plugin 'scrooloose/nerdtree'                " better file navigation
Plugin 'tpope/vim-surround'                 " deal with (),<>, etc
Plugin 'tpope/vim-fugitive'                 " so much Git integration
Plugin 'tpope/vim-commentary'               " easily comment lines/blocks
Plugin 'tpope/vim-rails'                    " so many Rails helpers
Plugin 'tpope/vim-endwise'                  " block endings for several languages
Plugin 'tpope/vim-repeat'                   " Enables repeate (.) usage for plugins such as vim-surround
Plugin 'terryma/vim-multiple-cursors'       " Sublime style multiple cursors! Mostly. Ctrl+n to use
Plugin 'godlygeek/tabular'                  " Align tables, hashes, etc. programatically
Plugin 'mustache/vim-mustache-handlebars'   " highlighting for mustache / handlebars
Plugin 'ervandew/supertab'                  " configurable tab autocompletion
Plugin 'mileszs/ack.vim'                    " Use Ack from vim
Plugin 'slim-template/vim-slim'             " Slim template hightlighting