.vimrc

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" => General
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" load plugins from vundle
filetype off

set rtp+=~/.vim/bundle/vundle/
call vundle#begin()

" let vundle manage vundle
Plugin 'gmarik/vundle'

" utilities
Plugin 'kien/ctrlp.vim' " fuzzy find files
Plugin 'scrooloose/nerdtree' " file drawer, open with :NERDTreeToggle
Plugin 'benmills/vimux'
Plugin 'tpope/vim-fugitive' " the ultimate git helper
Plugin 'tpope/vim-commentary' " comment/uncomment lines with gcc or gc in visual mode
Plugin 'mileszs/ack.vim' " https://github.com/mileszs/ack.vim

" colorschemes
Plugin 'chriskempson/base16-vim'
Plugin 'nanotech/jellybeans.vim'

" JavaScript plugins
Plugin 'pangloss/vim-javascript'
Plugin 'jelera/vim-javascript-syntax'

call vundle#end()
filetype plugin indent on

set nocompatible " not compatible with vi
set autoread " detect when a file is changed

" make backspace behave in a sane manner
set backspace=indent,eol,start

" set a map leader for more key combos
let mapleader = ','

" Tab control
" set noexpandtab " tabs ftw
set expandtab " tabs ftw
set smarttab " tab respects 'tabstop', 'shiftwidth', and 'softtabstop'
set tabstop=2 " the visible width of tabs
set softtabstop=2 " edit as if the tabs are 4 characters wide
set shiftwidth=2 " number of spaces to use for indent and unindent
set shiftround " round indent to a multiple of 'shiftwidth'

set clipboard=unnamed

" faster redrawing
set ttyfast

" code folding settings
set foldmethod=syntax " fold based on indent
set foldnestmax=10 " deepest fold is 10 levels
set nofoldenable " don't fold by default
set foldlevel=1

" toggle invisible characters
set list
set listchars=tab:→\ ,eol:¬,trail:⋅,extends:❯,precedes:❮
set showbreak=↪

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" => User Interface
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" Searching
set ignorecase " case insensitive searching
set smartcase " case-sensitive if expresson contains a capital letter
set hlsearch
set incsearch " set incremental search, like modern browsers
set nolazyredraw " don't redraw while executing macros

set magic " Set magic on, for regex

set showmatch " show matching braces
set mat=2 " how many tenths of a second to blink

" switch syntax highlighting on
syntax on

set encoding=utf8
let base16colorspace=256  " Access colors present in 256 colorspace"
set t_Co=256 " Explicitly tell vim that the terminal supports 256 colors"
set background=dark
colorscheme jellybeans
" colorscheme delek

set number

set autoindent " automatically set indent of new line
set smartindent

set laststatus=2 " show the satus line all the time

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" => Mappings
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map <leader>ev :e! ~/.vimrc<cr> " edit ~/.vimrc
map <leader>wc :wincmd q<cr>

" For Using Mac clipboard
" map <F2> :.w !pbcopy<CR><CR>
" vmap <F2> :w !pbcopy<CR><CR>
" vmap <F2> "*y
" vmap <F3> "*p

" moving up and down work as you would expect
nnoremap <silent> j gj
nnoremap <silent> k gk
"nnoremap <C-u> :call NumberToggle()<cr>
nnoremap <silent> <leader>p :call NumberToggle()<cr>

" helpers for dealing with other people's code
nmap \t :set ts=4 sts=4 sw=4 noet<cr>
nmap \s :set ts=4 sts=4 sw=4 et<cr>

" http://stackoverflow.com/questions/8184001/vim-reopen-last-closed-window-that-was-in-split
"nmap <c-s-t> :vs<bar>:b#<CR>

nmap <leader>l :set list!<cr>

" bind K to grep word under cursor
nnoremap <silent> <leader>y :Ack! "\b<C-R><C-W>\b"<CR>:cw<CR>
nnoremap <C-n> gT
nnoremap <C-m> gt

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" => Functions
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map <C-h> :call WinMove('h')<cr>
map <C-j> :call WinMove('j')<cr>
map <C-k> :call WinMove('k')<cr>
map <C-l> :call WinMove('l')<cr>

nnoremap H :call WinResize('H')<cr>
nnoremap J :call WinResize('J')<cr>
nnoremap K :call WinResize('K')<cr>
nnoremap L :call WinResize('L')<cr>
"map <C-S-h> :call WinResize('H')<cr>
"map <C-S-j> :call WinResize('J')<cr>
"map <C-S-k> :call WinResize('K')<cr>
"map <C-S-l> :call WinResize('L')<cr>

" Window movement shortcuts
" move to the window in the direction shown, or create a new window
function! WinMove(key)
    let t:curwin = winnr()
    exec "wincmd ".a:key
    if (t:curwin == winnr())
        if (match(a:key,'[jk]'))
            wincmd v
        else
            wincmd s
        endif
        exec "wincmd ".a:key
    endif
endfunction

function! WinResize(key)
  if (a:key == 'H')
    exec "vertical resize -5"
  elseif (a:key == 'J')
    exec "resize -5"
  elseif (a:key == 'K')
    exec "resize +5"
  elseif (a:key == 'L')
    exec "vertical resize +5"
  endif
endfunction

function! NumberToggle()
	if(&relativenumber == 1)
		set number
		set relativenumber!
	else
		set number!
		set relativenumber
	endif
endfunc


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" => Plugin settings
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" close NERDTree after a file is opened
let g:NERDTreeQuitOnOpen=0
" show hidden files in NERDTree
let NERDTreeShowHidden=1
" NERDTree Window Size
let g:NERDTreeWinSize=50
" Toggle NERDTree
nmap <silent> <leader>k :NERDTreeToggle<cr>
" expand to the path of the file in the current buffer
" nmap <silent> <leader>y :NERDTreeFind<cr>
"" Open by default
"autocmd StdinReadPre * let s:std_in=1
"autocmd VimEnter * if argc() == 0 && !exists(“s:std_in”) | NERDTree | endif

" map fuzzyfinder (CtrlP) plugin
" nmap <silent> <leader>t :CtrlP<cr>
nmap <silent> <leader>r :CtrlPBuffer<cr>
let g:ctrlp_map='<leader>t'
let g:ctrlp_dotfiles=1
let g:ctrlp_working_path_mode = 'ra'

" CtrlP ignore patterns
let g:ctrlp_custom_ignore = {
            \ 'dir': '\.git$\|node_modules$\|\.hg$\|\.svn$',
            \ 'file': '\.exe$\|\.so$'
            \ }

" search the nearest ancestor that contains .git, .hg, .svn
" let g:ctrlp_working_path_mode = 2
let g:ctrlp_working_path_mode = 0

if executable('ag')
  let g:ackprg = 'ag --vimgrep'
endif