My .vimrc

.vimrc

" use hukl's dotfiles
" use http://www.vim.org/scripts/script.php?script_id=2754

set nocompatible

" Initialize Pathogen
call pathogen#infect()

" Enable syntax highlighting
syntax on
filetype plugin indent on

" Colorscheme see https://github.com/hukl/Smyck-Color-Scheme
color smyck

" Add line numbers
set number
set ruler

" Set encoding
set encoding=utf-8

" Whitespace stuff
set nowrap
set tabstop=2
set shiftwidth=2
set softtabstop=2
set expandtab

" Show trailing spaces and highlight hard tabs
set list listchars=tab:»·,trail:·

" allow backspacing over everything in insert mode
set backspace=indent,eol,start

" Strip trailing whitespaces on each save
fun! <SID>StripTrailingWhitespaces()
    let l = line(".")
    let c = col(".")
    %s/\s\+$//e
    call cursor(l, c)
endfun
autocmd BufWritePre * :call <SID>StripTrailingWhitespaces()

" Search related settings
set incsearch
set hlsearch

" Map Ctrl+l to clear highlighted searches
nnoremap <silent> <C-l> :<C-u>nohlsearch<CR><C-l>

" Highlight characters behind the 80 chars margin
:au BufWinEnter * let w:m2=matchadd('ColumnMargin', '\%>80v.\+', -1)

" Disable code folding
set nofoldenable

" Directories for swp files
set backupdir=~/.vimbackup
set directory=~/.vimbackup

" NERDTree configuration
let NERDTreeIgnore=['\.pyc$', '\.rbc$', '\~$']
map <Leader>n :NERDTreeToggle<CR>

" make uses real tabs
au FileType make set noexpandtab

" Erlang uses 4 spaces
au FileType erlang set softtabstop=4 tabstop=4 shiftwidth=4

" Thorfile, Rakefile, Vagrantfile and Gemfile are Ruby
au BufRead,BufNewFile {Gemfile,Rakefile,Vagrantfile,Thorfile,config.ru}    set ft=ruby

" md, markdown, and mk are markdown and define buffer-local preview
au BufRead,BufNewFile *.{md,markdown,mdown,mkd,mkdn} call s:setupMarkup()

" add json syntax highlighting
au BufNewFile,BufRead *.json set ft=javascript

au BufRead,BufNewFile *.txt call s:setupWrapping()

" make Python follow PEP8 ( http://www.python.org/dev/peps/pep-0008/ )
au FileType python set softtabstop=4 tabstop=4 shiftwidth=4 textwidth=79

" allow backspacing over everything in insert mode
set backspace=indent,eol,start

" ctrp custom ignores
let g:ctrlp_custom_ignore = {
  \ 'dir':  '\.git$\|\.hg$\|\.svn$\|\.eunit$',
  \ 'file': '\.exe$\|\.so$\|\.dll\|\.beam$\|\.DS_Store$'
  \ }


function! Smart_TabComplete()
  let line = getline('.')                         " current line

  let substr = strpart(line, -1, col('.')+1)      " from the start of the current
                                                  " line to one character right
                                                  " of the cursor
  let substr = matchstr(substr, "[^ \t]*$")       " word till cursor
  if (strlen(substr)==0)                          " nothing to match on empty string
    return "\<tab>"
  endif
  let has_period = match(substr, '\.') != -1      " position of period, if any
  let has_slash = match(substr, '\/') != -1       " position of slash, if any
  if (!has_period && !has_slash)
    return "\<C-X>\<C-P>"                         " existing text matching
  elseif ( has_slash )
    return "\<C-X>\<C-F>"                         " file matching
  else
    return "\<C-X>\<C-O>"                         " plugin matching
  endif
endfunction

inoremap <tab> <c-r>=Smart_TabComplete()<CR>