vimrc

"
" This vim config file was originally found on that Stack Overflow thread from
" 2009 that everyone know about. Customizations are ever-changing.
" Will Chatham. @willc
" www.willchatham.com
" 
" 06.19.20 - Needs to be tested for coolness, as it has been a while.
"
" reset to vim-defaults
if &compatible          " only if not set before:
  set nocompatible      " use vim-defaults instead of vi-defaults (easier, more user friendly)
endif

" display settings
set background=dark     " enable for dark terminals
set nowrap              " dont wrap lines
set scrolloff=2         " 2 lines above/below cursor when scrolling
set number              " show line numbers
set showmatch           " show matching bracket (briefly jump)
set showmode            " show mode in status bar (insert/replace/...)
set showcmd             " show typed command in status bar
set ruler               " show cursor position in status bar
set title               " show file in titlebar
set wildmenu            " completion with menu
set wildignore=*.o,*.obj,*.bak,*.exe,*.py[co],*.swp,*~,*.pyc,.svn
set laststatus=2        " use 2 lines for the status bar
set matchtime=2         " show matching bracket for 0.2 seconds
set matchpairs+=<:>     " specially for html

" editor settings
set esckeys             " map missed escape sequences (enables keypad keys)
set ignorecase          " case insensitive searching
set smartcase           " but become case sensitive if you type uppercase characters
set smartindent         " smart auto indenting
set smarttab            " smart tab handling for indenting
set magic               " change the way backslashes are used in search patterns
set bs=indent,eol,start " Allow backspacing over everything in insert mode

set tabstop=4           " number of spaces a tab counts for
set shiftwidth=4        " spaces for autoindents
"set expandtab           " turn a tabs into spaces

set fileformat=unix     " file mode is unix
"set fileformats=unix,dos    " only detect unix file format, displays that ^M with dos files

" system settings
set lazyredraw          " no redraws in macros
set confirm             " get a dialog when :q, :w, or :wq fails
set nobackup            " no backup~ files.
set viminfo='20,\"500   " remember copy registers after quitting in the .viminfo file -- 20 jump links, regs up to 500 lines'
set hidden              " remember undo after quitting
set history=50          " keep 50 lines of command history
set mouse=v             " use mouse in visual mode (not normal,insert,command,help mode


" color settings (if terminal/gui supports it)
if &t_Co > 2 || has("gui_running")
  syntax on          " enable colors
  set hlsearch       " highlight search (very useful!)
  set incsearch      " search incremently (search while typing)
endif

" paste mode toggle (needed when using autoindent/smartindent)
map <F10> :set paste<CR>
map <F11> :set nopaste<CR>
imap <F10> <C-O>:set paste<CR>
imap <F11> <nop>
set pastetoggle=<F11>

" Use of the filetype plugins, auto completion and indentation support
filetype plugin indent on

" file type specific settings
if has("autocmd")
  " For debugging
  "set verbose=9

  " if bash is sh.
  let bash_is_sh=1

  " change to directory of current file automatically
  autocmd BufEnter * lcd %:p:h

  " Put these in an autocmd group, so that we can delete them easily.
  augroup mysettings
    au FileType xslt,xml,css,html,xhtml,javascript,sh,config,c,cpp,docbook set smartindent shiftwidth=2 softtabstop=2 expandtab
    au FileType tex set wrap shiftwidth=2 softtabstop=2 expandtab

    " Confirm to PEP8
    au FileType python set tabstop=4 softtabstop=4 expandtab shiftwidth=4 cinwords=if,elif,else,for,while,try,except,finally,def,class
  augroup END

  augroup perl
    " reset (disable previous 'augroup perl' settings)
    au!  

    au BufReadPre,BufNewFile
    \ *.pl,*.pm
    \ set formatoptions=croq smartindent shiftwidth=2 softtabstop=2 cindent cinkeys='0{,0},!^F,o,O,e' " tags=./tags,tags,~/devel/tags,~/devel/C
    " formatoption:
    "   t - wrap text using textwidth
    "   c - wrap comments using textwidth (and auto insert comment leader)
    "   r - auto insert comment leader when pressing <return> in insert mode
    "   o - auto insert comment leader when pressing 'o' or 'O'.
    "   q - allow formatting of comments with "gq"
    "   a - auto formatting for paragraphs
    "   n - auto wrap numbered lists
    "   
  augroup END


  " Always jump to the last known cursor position. 
  " Don't do it when the position is invalid or when inside
  " an event handler (happens when dropping a file on gvim). 
  autocmd BufReadPost * 
    \ if line("'\"") > 0 && line("'\"") <= line("$") | 
    \   exe "normal g`\"" | 
    \ endif 

endif " has("autocmd")