" plugins
set nocompatible
filetype off
let need_to_install_plugins=0
if empty(system("grep lazy_load ~/.vim/bundle/vundle/autoload/vundle.vim"))
    echo "Installing Vundle..."
    echo ""
    silent !mkdir -p ~/.vim/bundle
    silent !rm -rf ~/.vim/bundle/vundle
    silent !git clone https://github.com/gmarik/vundle ~/.vim/bundle/vundle
    let need_to_install_plugins=1
endif
set rtp+=~/.vim/bundle/vundle/
call vundle#begin()

Plugin 'gmarik/vundle'
Plugin 'zeis/vim-kolor.git'
Plugin 'tpope/vim-surround.git'
Plugin 'ervandew/supertab.git'
Plugin 'tpope/vim-sensible.git'
Plugin 'scrooloose/syntastic.git'
Plugin 'vim-scripts/The-NERD-tree.git'
Plugin 'jistr/vim-nerdtree-tabs.git'
Plugin 'majutsushi/tagbar.git'
Plugin 'lepture/vim-jinja.git'
Plugin 'klen/python-mode.git'

call vundle#end()
filetype plugin indent on
syntax on
set modeline
set modelines=3

if need_to_install_plugins==1
    echo "Installing plugins..."
    silent! PluginInstall
    echo "Done!"
    q
endif

" always show the status bar
set laststatus=2

" enable 256 colors
set t_Co=256

" turn on line numbering
set number

" sane text files
set fileformat=unix
set encoding=utf-8
set fileencoding=utf-8

" sane editing
set tabstop=4
set shiftwidth=4
set softtabstop=4
set colorcolumn=80
set viminfo='25,\"50,n~/.viminfo

" word movement
imap <S-Left> <Esc>bi
nmap <S-Left> b
imap <S-Right> <Esc><Right>wi
nmap <S-Right> w

" convert all typed tabs to spaces
set expandtab

" unindent with shift-tab
imap <S-Tab> <Esc><<i
nmap <S-tab> <<

" color scheme
syntax on
colorscheme kolor
filetype on
filetype plugin indent on

" code folding
set foldmethod=indent
set foldlevel=99

" move through split windows
nmap <leader><Up> :wincmd k<CR>
nmap <leader><Down> :wincmd j<CR>
nmap <leader><Left> :wincmd h<CR>
nmap <leader><Right> :wincmd l<CR>

" move through buffers
nmap <leader>[ :bp<CR>
nmap <leader>] :bn<CR>

" code completion
au FileType python set omnifunc=pythoncomplete#Complete
let g:SuperTabDefaultCompletionType = "context"
let g:SuperTabNoCompleteAfter = ['^', ',', '\s']
set completeopt=menuone,longest,preview

" restore place in file from previous session
if has("autocmd")
  au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
endif

" file browser
map <leader>n :NERDTreeTabsToggle<CR>
let NERDTreeIgnore=['\.pyc$', '__pycache__', '\.sqlite$', '\.sqlite3$']

" tag list
map <leader>t :TagbarToggle<CR>

" Add the virtualenv's site-packages to vim path
py << EOF
import os.path
import sys
import vim
if 'VIRTUAL_ENV' in os.environ:
    project_base_dir = os.environ['VIRTUAL_ENV']
    sys.path.insert(0, project_base_dir)
    activate_this = os.path.join(project_base_dir, 'bin/activate_this.py')
    if os.path.exists(activate_this):
        execfile(activate_this, dict(__file__=activate_this))
EOF

" disable autoindent when pasting text
function! WrapForTmux(s)
    if !exists('$TMUX')
        return a:s
    endif
    let tmux_start = "\<Esc>Ptmux;"
    let tmux_end = "\<Esc>\\"
    return tmux_start . substitute(a:s, "\<Esc>", "\<Esc>\<Esc>", 'g') . tmux_end
endfunction

let &t_SI .= WrapForTmux("\<Esc>[?2004h")
let &t_EI .= WrapForTmux("\<Esc>[?2004l")

function! XTermPasteBegin()
    set pastetoggle=<Esc>[201~
    set paste
    return ""
endfunction

inoremap <special> <expr> <Esc>[200~ XTermPasteBegin()