editing

"EDITING OPTIONS
syntax on
set number      " line numbers
set showbreak=+ " display a + at the beginning of a wrapped line
set showmatch   " flash the matching bracket on inserting a )]} etc

set encoding=utf-8 nobomb

" Remember more command history
set history=1000

" Automatically read files that have changed on the FS but not in Vim.
set autoread

set completeopt=menuone,preview

" omni completion settings
set ofu=syntaxcomplete#Complete
let g:rubycomplete_buffer_loading = 0
let g:rubycomplete_classes_in_global = 1

" allow backspacing over everything in insert mode
set backspace=indent,eol,start
set textwidth=80  " wrap at 80 characters
set nowrap        " Text wrapping should be done manually
set softtabstop=2 " most of the time, we want a softtabstop of 2
set tabstop=2     " show tabs with 2 spaces
set shiftwidth=2  " shift by 2 spaces when using >> and <<, etc
set expandtab     " no tabs

" Using autocmd for this allows it to be reset every time you open a
" file, which keeps overrides from being persistent
autocmd FileType * set softtabstop=2 shiftwidth=2 tabstop=2 expandtab

set list                     " show whitespace
set listchars=tab:»·,trail:· " show tabs and trailing spaces
set listchars+=extends:»     " show a » when a line goes off the right edge of the screen
set listchars+=precedes:«    " show a « when a line goes off the left edge of the screen

set scrolloff=5                       " minimum lines to show around cursor
set sidescrolloff=5                   " min characters to show sideways

set colorcolumn=+1 " Highlight the last column

set formatoptions+=n1     " help fo-table
                            " defaults: tcq
                            " t: auto-wrap text using text-width
                            " c: auto-wrap comments also
                            " q: auto-format comments with 'gq'
                            " n: recognize numbered lists
                            " 1: don't break after 1-char word

set formatprg="par -qe"     " use par for 'gq':
                            " http://www.nicemice.net/par/par-doc.var
                            " e: superfluous lines removed
                            " q: separate quote levels with newlines

"FOLDING OPTIONS
set foldmethod=indent                 " really the only way that makes sense
set foldlevelstart=99                 " open all folds by default
set foldignore=                       " don't try to be clever

"SEARCH OPTIONS
set ignorecase " makes search patterns case-insensitive by default
set smartcase  " overrides ignorecase when the pattern contains upper-case characters
set incsearch

"SWAP & UNDO OPTIONS
" global swapfile directory
set directory=~/.vim/swapfiles,/var/tmp,/tmp,.
" persistent undo
if has("persistent_undo")
  set undofile
  set undodir=~/.vim/undofiles,/var/tmp,/tmp,.
endif

" Backups (or lack thereof)
set nobackup                          " do not keep backups after close
set nowritebackup                     " do not keep backups while working
set noswapfile                        " don't keep swap files either

"No Bells
set noeb vb t_vb=

" ctags-related
set tags+=../tags,../../tags,../../../tags,../../../../tags,tmp/tags
map <silent> <Leader>r :!/usr/local/bin/ctags -f tags -R *<CR><CR>