.vimrc

if has('nvim')
  set rtp^=~/.vim/
endif

execute pathogen#infect()

set t_Co=256

syntax enable
colorscheme elflord

set number
set nowrap

set mouse=a

set scrolloff=5
set sidescroll=1
set sidescrolloff=10
set nostartofline

" set spell
set spelllang=en_us

" Use smartcase
set ignorecase
set smartcase

" Highlight search results + incremental
set hlsearch
set incsearch

" use system clipboard
set clipboard=unnamedplus

" Allow sudo-write
function SuWrite()
	if &readonly
		doautocmd BufWritePre
		w !sudo tee % > /dev/null
		if v:shell_error
			echo "Write Failed"
		else
			redraw!
			e!
		endif
	else
		w
	endif
endfunction
command W exec "let cpos=getpos('.')" | exec SuWrite() | call setpos('.', cpos)
command Wq exec "let cpos=getpos('.')" | exec SuWrite() | call setpos('.', cpos) | q
" disable keybind in the terminal for this to work
nnoremap <C-s> :W<CR>
inoremap <C-s> <ESC>:W<CR>

" Disable Ex mode
map Q <Nop>
" fat-finger fix
command Q q

" Move tabs around
function ShiftTab(direction)
     let tab_number = tabpagenr()
     if a:direction == 0
         if tab_number == 1
             exe 'tabm' . tabpagenr('$')
         else
             exe 'tabm' . (tab_number - 2)
         endif
     else
         if tab_number == tabpagenr('$')
             exe 'tabm ' . 0
         else
             exe 'tabm ' . tab_number
         endif
     endif
     return ''
endfunction
noremap <silent> <C-S-PageUp>  :call ShiftTab(0)<CR>
noremap <silent> <C-S-PageDown> :call ShiftTab(1)<CR>

" Default indent properties
"set ts=4 sts=4 sw=4 noet ai
set ts=2 sts=2 sw=2 et ai

" Detect indent size and type
autocmd BufReadPost * :DetectIndent
" Set local PWD to file location
"autocmd BufEnter * silent! lcd %:p:h
" Trim trailing whitespace on save
autocmd BufWritePre * exec "let cpos=getpos('.')" | :%s/\s\+$//e  | call setpos('.', cpos)

" Set folding options
" ### Disabled for performace ###
"set foldmethod=syntax
"set foldlevel=20
"map zz za

" Customize NERDCommenter commands
filetype plugin on
nmap <C-e> <plug>NERDCommenterToggle
xmap <C-e> <plug>NERDCommenterToggle
imap <C-e> <ESC><plug>NERDCommenterToggle i
nmap <leader>c<space> <plug>NERDCommenterToggle
xmap <leader>c<space> <plug>NERDCommenterToggle

"Customize NERDTree commands
set hidden " preserve buffer postion
let NERDTreeQuitOnOpen=1
let NERDTreeIgnore = ['\.pyc$']
let g:nerdtree_tabs_open_on_new_tab=0
let g:nerdtree_tabs_open_on_gui_startup=0
nmap \e :NERDTreeSteppedOpen<CR>
nmap <C-\> :NERDTreeSteppedOpen<CR>

" Tagbar shortcuts
command TT TagbarToggle
nmap tt :TagbarOpenAutoClose<CR>

" CtrlP
nmap \p :CtrlP<CR>
let g:ctrlp_switch_buffer='ET'
" open in tab by default
let g:ctrlp_prompt_mappings = {
    \ 'AcceptSelection("e")': ['<c-t>'],
    \ 'AcceptSelection("t")': ['<cr>', '<2-LeftMouse>'],
    \ }

" Airline
set laststatus=2
set noshowmode
let g:airline#extensions#tabline#left_alt_sep=' '
" Uncomment to use patched fonts
let g:airline_powerline_fonts=1

" Airline instantly escape visual mode
if ! has('gui_running')
  let g:airline#extensions#tabline#enabled=1 " dont show tabline in gvim
  set ttimeoutlen=10
  augroup FastEscape
    autocmd!
    au InsertEnter * set timeoutlen=0
    au InsertLeave * set timeoutlen=1000
  augroup END
endif

" Syntastic
let g:syntastic_ignore_files=['ts']

" Custom keybinds
map <C-Up> 1<C-u>
map <C-Down> 1<C-d>
map <C-K> 1<C-u>
map <C-J> 1<C-d>

map <C-Left> z<Left><Left>
map <C-Right> z<Right><Right>
map <C-H> z<Left><Left>
map <C-L> z<Right><Right>

" Disable F1 help
map <F1> <Esc>
imap <F1> <Esc>

" Custom command shortcuts
command C let @/ = ""
command S set spell!

" Visual shortcuts
vnoremap . :normal .<CR>
vnoremap , :normal<Space>
vnoremap I :normal i

" Cursor
if &term =~ "xterm\\|rxvt"
  " use a white cursor in insert mode
  let &t_SI = "\<Esc>]12;white\x7"
  " use a normal cursor otherwise
  let &t_EI = "\033]112\007"
  silent !echo -ne "\033]112\007"
  " reset cursor when vim exits
  autocmd VimLeave * silent !echo -ne "\033]112\007"
endif