" Taken from wuman
"
" Environment
"
" pathogen (must be placed in the beginning of this file)
"runtime bundle/pathogen/autoload/pathogen.vim
"call pathogen#infect('bundle/{}')
"call pathogen#infect('bundle-external/{}')
"call pathogen#helptags()

if &term == "linux"
	set t_ve+=[?81;0;112c
endif

"
" General
"
set nocompatible             " not compatible with the old-fashion vi mode
set history=100              " store 100 lines of history

" open up to 100 documents with `vim -p`
set tabpagemax=100

"
" User Interface
"
set showmode                 " display the current mode
set ruler                    " always show current position
set scrolloff=7              " set scroll offset to 7 lines above/below cursor
set autoread                 " auto read when file is changed from outside
set nu                       " display line numbers
set clipboard=unnamed        " yank to the system register (*) by default
set hid                      " hide abandon buffers in order to not lose undo history
set showmatch                " cursor shows matching ) and }
set incsearch                " incremental search
set ignorecase               " ignore case when searching
set smartcase                " ignore case if search pattern is all lowercase, case-sensitive otherwise
set wildchar=<TAB>           " start wild expansion in the command line using <TAB>
set wildmenu                 " wild char completion menu

" ignore these files while expanding wild chars
set wildignore=*.o,*.class,*.pyc

" allow backspacing over everything in insert mode
set backspace=indent,eol,start
set whichwrap+=<,>,b,s,h,l,[,]

filetype on                  " enable filetype detection
filetype indent on           " enable filetype-specific indenting
filetype plugin on           " enable filetype-specific plugins

" auto reload vimrc when editing it
autocmd! BufWritePost .vimrc source ~/.vimrc

" disable annoying sound on errors
set noerrorbells
set novisualbell
set t_vb=
set tm=500

" vimtip#80 restore cursor to file position in previous editing session
set viminfo='10,\"100,:20,%,n~/.viminfo
function! ResCur()
  if line("'\"") <= line("$")
    normal! g`"
    return 1
  endif
endfunction
augroup resCur
  autocmd!
  autocmd BufWinEnter * call ResCur()
augroup END

"
" Formatting
"
set autoindent               " auto indentation
set copyindent               " copy the previous indentation on autoindenting
set smarttab                 " insert tabs on line start according to context
set tabstop=2
set softtabstop=2
set shiftwidth=2


"
" Colors and Fonts
"
syntax on                    " enable syntax highlighting
set hlsearch                 " highlight search results
" highlight current line in the current window
augroup CursorLine
  au!
  au VimEnter,WinEnter,BufWinEnter * setlocal cursorline
  au WinLeave * setlocal nocursorline
augroup END

set bg=dark    " Setting dark mode 
let g:gruvbox_contrast_dark = 'hard'
colorscheme gruvbox

"
" Formatting
"
nnoremap <F2> :set invpaste paste?<CR>
set pastetoggle=<F2>         " toggle paste mode
set ffs=unix,dos,mac         " use unix as standard file format

"
" Files
"
set nobackup                 " no *~ backup files

if !isdirectory($HOME . "/.cache/vim")
    call mkdir($HOME . "/.cache/vim", "p")
"	:silent !install -dm700 ~/.cache/vim >/dev/null 2>&1
endif
set directory=~/.cache/vim//

"
" Statusline
"
set laststatus=2

"
" Encoding
"
set encoding=utf-8
set termencoding=utf-8
set fileencoding=utf-8
set fileencodings=ucs-bom,utf-8,big5,gb2312,latin1

fun! ViewUTF8()
  set encoding=utf-8
  set termencoding=big5
endfun

fun! UTF8()
  set encoding=utf-8
  set termencoding=big5
  set fileencoding=utf-8
  set fileencodings=ucs-bom,big5,utf-8,latin1
endfun

" set leader to ,
let mapleader=","
let g:mapleader=","

" move around splits
map <C-J> <C-W>j<C-W>_       " move to and maximize the below split
map <C-K> <C-W>k<C-W>_       " move to and maximize the above split
nmap <c-h> <c-w>h<c-w><bar>  " move to and maximize the left split
nmap <c-l> <c-w>l<c-w><bar>  " move to and maximize the right split
set wmw=0                    " set the min width of a window to 0 so we can maximize others
set wmh=0                    " set the min height of a window to 0 so we can maximize others

" move around tabs
" WARN: conflict with the original screen top/bottom, comment them out if you want the original H/L
map <S-H> gT                 " go to prev tab
map <S-L> gt                 " go to next tab

map <C-t><C-t> :tabnew<CR>      " new tab
map <C-t><C-w> :tabclose<CR>    " close tab

nmap <leader>/ :nohl<CR>        " ,/ turns off search highlighting

" bash like keys for the command line
cnoremap <C-A> <Home>
cnoremap <C-E> <End>
cnoremap <C-K> <C-U>

" vim-autoformat: use sourcebeautify shortcut
nmap <leader>sb :Autoformat<CR>

" ,p toggles paste mode
nmap <leader>p :set paste!<BAR>set paste?<CR>

" allow multiple indentation/deindentation in visual mode
vnoremap < <gv
vnoremap > >gv

" Enable omni completion. (Ctrl-X Ctrl-O)
autocmd FileType html,markdown setlocal omnifunc=htmlcomplete#CompleteTags
autocmd FileType javascript setlocal omnifunc=nodejscomplete#CompleteJS
autocmd FileType python setlocal omnifunc=pythoncomplete#Complete
autocmd FileType xml setlocal omnifunc=xmlcomplete#CompleteTags
autocmd FileType css set omnifunc=csscomplete#CompleteCSS
autocmd FileType c set omnifunc=ccomplete#Complete
autocmd FileType java set omnifunc=javacomplete#Complete

" use syntax complete if nothing else available
if has("autocmd") && exists("+omnifunc")
  autocmd Filetype *
    \ if &omnifunc == "" |
    \     setlocal omnifunc=syntaxcomplete#Complete |
    \ endif
endif

" enable function folding
set foldmethod=syntax
set foldlevelstart=10

set cot-=preview             " disable doc preview in omnicomplete

" md is markdown
autocmd BufRead,BufNewFile *.md set filetype=markdown

"
" Plugins
"
" vim-airline
set timeout timeoutlen=1000 ttimeoutlen=50
let g:airline_powerline_fonts = 1
let g:airline_theme = 'gruvbox'
let g:airline#extensions#tabline#enabled = 1

" JSON.vim http://www.vim.org/scripts/script.php?script_id=1945
au! BufRead,BufNewFile *.json set filetype=json

" NERDTree
" open a NERDTree automatically when vim starts up if no files were specified
"autocmd vimenter * if !argc() | NERDTree | endif
" close vim if the only window left open is a NERDTree
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTreeType") && b:NERDTreeType == "primary") | q | endif
" toggle nerdtree drawer
nnoremap <leader>d :NERDTreeToggle<CR>
" open nerdtree to the current file
nnoremap <leader>f :NERDTreeFind<CR>

" YouCompleteMe
" disable use of tab
let g:ycm_key_list_select_completion=[]
let g:ycm_key_list_previous_completion=[]
let g:ycm_global_ycm_extra_conf = "~/.vim/ycm_extra_conf.py"

nnoremap <C-H> :Hexmode<CR>
inoremap <C-H> <Esc>:Hexmode<CR>
vnoremap <C-H> :<C-U>Hexmode<CR>

" taken from bene

set ls=2
set nostartofline

" ex command for toggling hex mode - define mapping if desired
command -bar Hexmode call ToggleHex()

" helper function to toggle hex mode
function ToggleHex()
  " hex mode should be considered a read-only operation
  " save values for modified and read-only for restoration later,
  " and clear the read-only flag for now
  let l:modified=&mod
  let l:oldreadonly=&readonly
  let &readonly=0
  let l:oldmodifiable=&modifiable
  let &modifiable=1
  if !exists("b:editHex") || !b:editHex
    " save old options
    let b:oldft=&ft
    let b:oldbin=&bin
    " set new options
    setlocal binary " make sure it overrides any textwidth, etc.
    let &ft="xxd"
    " set status
    let b:editHex=1
    " switch to hex editor
    %!xxd
  else
    " restore old options
    let &ft=b:oldft
    if !b:oldbin
      setlocal nobinary
    endif
    " set status
    let b:editHex=0
    " return to normal editing
    %!xxd -r
  endif
  " restore values for modified and read only state
  let &mod=l:modified
  let &readonly=l:oldreadonly
  let &modifiable=l:oldmodifiable
endfunction