.vimrc

" My .vimrc file
" Christopher Adams

" automatically reload vimrc when it's saved
"" autocmd BufWritePost .vimrc source %

" Disable legacy vi compatibility
set nocompatible

" Unbind the cursor keys in insert, normal and visual modes.
" Forces you to learn to use 'hjkl' to navigate.
""for prefix in ['i', 'n', 'v']
"" for key in ['<Up>', '<Down>', '<Left>', '<Right>']
"" exe prefix . "noremap " . key . " <Nop>"
"" endfor
""endfor

" Always yank to system-wide clipboard.
set clipboard=unnamed

" Use the ruler on the bottom line.
set ruler

" Mouse-clicks on the terminal will be proxied from terminal to vim
" application.  As a result, clicking will move the cursor, dragging will
" perform visual highlight, and scrolling will move vim screen up and down.
" To fallback to the old behavior, use alt+click.
set mouse=a

" Make backspace conform to normal expected behavior.
set backspace=indent,eol,start  " same as bs=2

" Move around windows more easily.
map <c-h> <c-w>h
map <c-j> <c-w>j
map <c-k> <c-w>k
map <c-l> <c-w>l

" Set mapleader
let mapleader = ","

" Move around tabs more easily.
map <Leader>n <esc>:tabprevious<CR>
map <Leader>m <esc>:tabnext<CR>
map <Leader>o <esc>:tabedit<Space>

" Move multiple blocks of code, while retaining visual mode.
vnoremap < <gv
vnoremap > >gv

" Map the vim 'sort' function.
"" vnoremap <Leader>s :sort<CR>

" Enable syntax highlighting in general
filetype plugin indent on
syntax on

" Highlight all search results at once
"" set hlsearch

" Visually display tabs as ^I.
"" set list

" Define some custom search behavior
set ignorecase  " Ignore case in search patterns; see 'smartcase'.
set smartcase   " Do match case if uppercase letters are in string

"""""""""""""""""""
" PYTHON SETTINGS "
"""""""""""""""""""

" Python tabstops
set expandtab     " Turn all tabs into spaces.
set softtabstop=4 " Number of spaces for 'expandtab' spaces conversion.
set autoindent    " Copy indent from current line when starting a new line.
set shiftwidth=4  " Number of spaces for 'autoindent'.
set tabstop=1     " Number of spaces that a <Tab> in the file counts for.
set smarttab      " Tab means 'next' tabstop, not just insert one tabstop.
set smartindent   " Indents after 'cinwords'.
set shiftround    " Round indent to multiple of 'shiftwidth', e.g. for > and <.

" Python setting for 'smartindent'
set cinwords=if,elif,else,for,while,try,except,finally,def,class
" Some python.vim syntax files don't include these.
syn keyword pythonStatement True False abs divmod input open staticmethod all
syn keyword pythonStatement enumerate int ord str any eval isinstance pow sum
syn keyword pythonStatement basestring execfile issubclass print super bin
syn keyword pythonStatement file iter property tuple bool filter len range
syn keyword pythonStatement type bytearray float list raw_input unichr
syn keyword pythonStatement callable format locals reduce unicode chr
syn keyword pythonStatement frozenset long reload vars classmethod getattr map
syn keyword pythonStatement repr xrange cmp globals max reversed zip compile
syn keyword pythonStatement hasattr memoryview round __import__ complex hash
syn keyword pythonStatement min set apply delattr help next setattr buffer
syn keyword pythonStatement dict hex object slice coerce dir id oct sorted
syn keyword pythonStatement intern

" Easy breakpoint insertion for the ipython debugger
" $ sudo pip install ipdb
map <Leader>b Oimport ipdb; ipdb.set_trace()<C-c>

" Consider .wsgi files as python files.
autocmd BufNewFile,BufRead *.wsgi set filetype=python

" Set color scheme.
"
" Allow 256 colors (woo!)
set t_Co=256
" For the 256 color definitions in xterm, see
" http://vim.wikia.com/wiki/Xterm256_color_names_for_console_Vim
"
" Color schemes should be *.vim files inside $HOME/.vim/colors/
" Here are two nice ones:
" $ curl https://raw.githubusercontent.com/notpratheek/Pychimp-vim/master/pychimp.vim > ~/.vim/colors/pychimp.vim
" $ curl http://www.vim.org/scripts/download_script.php?src_id=13400 > ~/.vim/colors/wombat256mod.vim
" If placed before wombat256mod, this defaults to black.
"autocmd ColorScheme * highlight Normal ctermbg=black
"color wombat256mod
color pychimp

" Manage whitespace warnings sanely but strictly.
"
" First, disable Dmitry Vasiliev's default behavior in syntax/python.vim.
let python_highlight_space_errors=0
" Then define replacement rules.
" Flag whitespace as irregular in dark red if: 1. trailing, 2. is a tab.
autocmd ColorScheme * highlight ExtraWhitespace
highlight ExtraWhitespace ctermbg=52
autocmd InsertEnter * match ExtraWhitespace /\t\|\s\+\%#\@<!$/
autocmd InsertLeave * match ExtraWhitespace /\t\|\s\+$/

" Replace all trailing whitespace automatically.
"" autocmd BufWritePre *.py normal m`:%s/\s\+$//e

"" Some features to make vim more visual
set number           " Turn on line numbers
set textwidth=79     " Autowrap at character 79.
set nowrap           " Turn off annoying line wrapping appearing on next line
set formatoptions-=t " Don't wrap text being inserted

" Subtle, dark gray color column on the right to remind us to stay in 80
" characters.
set colorcolumn=80
highlight ColorColumn ctermbg=235


" Turn off the bell
set visualbell t_vb=

" Reread files changed outside of vim if there are no changes inside vim.
set autoread

" Bind 'Q' to (attempt) to automatically format paragraphs, following the rules
" defined at tw and fo.
vmap Q gq
nmap Q gqap

" Huge history
set history=700
set undolevels=700

" Settings for vim-powerline
"
" Installs a color bar on the bottom of the screen that indicates mode and
" some environment settings.
" $ pushd ~/.vim/bundle && git clone git://github.com/Lokaltog/vim-powerline.git && popd
set laststatus=2  " Always show the status bar (recommended for powerline)

" Settings for ctrlp
"
" A tool for traversing through code by using Ctrl+P.
" $ pushd ~/.vim/bundle && git clone https://github.com/kien/ctrlp.vim.git && popd
autocmd VimEnter,VimResized * let g:ctrlp_max_height = &lines
set wildignore+=*.pyc
set wildignore+=*_build/*
set wildignore+=*/coverage/*


" Settings for python-mode
"
" $ pushd ~/.vim/bundle && git clone https://github.com/klen/python-mode && popd
map <Leader>g :call RopeGotoDefinition()<CR>
let ropevim_enable_shortcuts = 1
let g:pymode_rope_goto_def_newwin = "vnew"
let g:pymode_rope_extended_complete = 1
let g:pymode_breakpoint = 0
let g:pymode_syntax = 1
let g:pymode_syntax_builtin_objs = 0
let g:pymode_syntax_builtin_funcs = 0

" Settings for omnicomplete
"
" Better navigating through omnicomplete option list
" See http://stackoverflow.com/questions/2170023/how-to-map-keys-for-popup-menu-in-vim
set completeopt=longest,menuone
function! OmniPopup(action)
    if pumvisible()
        if a:action == 'j'
            return "\<C-N>"
        elseif a:action == 'k'
            return "\<C-P>"
        endif
    endif
    return a:action
endfunction
inoremap <silent><C-j> <C-R>=OmniPopup('j')<CR>
inoremap <silent><C-k> <C-R>=OmniPopup('k')<CR>


" Python folding
" $ mkdir -p ~/.vim/ftplugin
" $ wget -O ~/.vim/ftplugin/python_editing.vim http://www.vim.org/scripts/download_script.php?src_id=5492
set nofoldenable

" Color overrides
highlight Search term=reverse ctermfg=0 ctermbg=255 gui=reverse
highlight Error term=reverse cterm=bold ctermfg=0 ctermbg=9 guifg=White guibg=Red