.vimrc

execute pathogen#infect()


"""""""""""""""
" Navigation  "
"""""""""""""""

set bs=indent,eol,start
set incsearch
set hlsearch
nnoremap t :tabedit<CR>
nnoremap <c-h> :tabp<CR>
nnoremap <c-l> :tabn<CR>

"map Alt+j, Alt+k to move up/down 10 lines nnoremap ∆ 10j
nnoremap ∆ 5j
nnoremap ˚ 5k
vnoremap ∆ 5j
vnoremap ˚ 5k

"map Shift+Alt+j, Shift+Alt+k to move up/down 20 lines
nnoremap Ô 15j
nnoremap  15k
vnoremap Ô 15j
vnoremap  15k


""""""""""""""
" Appearance "
""""""""""""""

syntax on
set tabstop=2
set softtabstop=2
set shiftwidth=2
set expandtab
set number
set autoindent
set smartindent

" Autocomplete Colors
highlight Pmenu ctermfg=255 ctermbg=125
highlight PmenuSel ctermfg=255 ctermbg=240


""""""""""""""""
" Key Mappings "
""""""""""""""""

map <F2> :NERDTreeFocus<CR>
map <F3> :NERDTreeToggle<CR>
map <F4> :CtrlP<CR>



"""""""""""""""""""""""
" Leader Key Mappings "
"""""""""""""""""""""""

let mapleader=","
nnoremap <leader>u :GundoToggle<CR>
nnoremap <leader><space> :noh<CR>

" System clipboard
noremap <Leader>c "*y
noremap <Leader>v "*p
noremap <Leader>c "+y
noremap <Leader>v "+p

nnoremap <leader>j :%!python -m json.tool<CR>


""""""""""""""""""""""""""""""""""
" Silver Searcher instead of Ack "
""""""""""""""""""""""""""""""""""

let g:ackprg = 'ag --vimgrep --smart-case'
cnoreabbrev ag Ack
cnoreabbrev aG Ack
cnoreabbrev Ag Ack
cnoreabbrev AG Ack



"""""""""""
" Folding "
"""""""""""

"define custom folding function (taken from: http://vim.wikia.com/wiki/Customize_text_for_closed_folds)
function! CustomFold()
	let line = getline(v:foldstart)
	if match( line, '^[ \t]*\(\/\*\|\/\/\)[*/\\]*[ \t]*$' ) == 0
		let initial = substitute( line, '^\([ \t]\)*\(\/\*\|\/\/\)\(.*\)', '\1\2', '' )
		let linenum = v:foldstart + 1
		while linenum < v:foldend
			let line = getline( linenum )
			let comment_content = substitute( line, '^\([ \t\/\*]*\)\(.*\)$', '\2', 'g' )
			if comment_content != ''
				break
			endif
			let linenum = linenum + 1
		endwhile
		let sub = initial . ' ' . comment_content
	else
		let sub = line
		let startbrace = substitute( line, '^.*{[ \t]*$', '{', 'g')
		if startbrace == '{'
			let line = getline(v:foldend)
			let endbrace = substitute( line, '^[ \t]*}\(.*\)$', '}', 'g')
			if endbrace == '}'
				let sub = sub.substitute( line, '^[ \t]*}\(.*\)$', '...}\1', 'g')
			endif
		endif
	endif
	let n = v:foldend - v:foldstart + 1
	let info = " " . n . " lines"
	let sub = sub . " >>>"
	let num_w = getwinvar( 0, '&number' ) * getwinvar( 0, '&numberwidth' )
	let fold_w = getwinvar( 0, '&foldcolumn' )
	let sub = strpart( sub, 0, winwidth(0) - strlen( info ) - num_w - fold_w - 1 )
	return sub . info
endfunction

"set fold method to custom function
set foldtext=CustomFold()

"press space to toggle folding; if no fold, default behavior
nnoremap <silent>\\ @=(foldlevel('.')?'za':"\<Space>")<CR>
vnoremap \\ zf


" placed at bottom so nothing interpreted after
inoremap jk <esc>
inoremap kj <esc>