" ===========
" VARIABLES
" ===========

set nocompatible
"Disable bell
set vb
set t_vb=

"Search in all of the project tree
"set path+=**
set wildmenu

"set ttimeoutlen=10
"let g:airline#extensions#tabline#enabled = 1
"let g:airline#extensions#branch#enabled = 1
"let g:airline#extensions#whitespace#enabled = 1
"let g:airline_powerline_fonts = 1

"show line endings and tabs
set list

" Use todo#Complete as the omni complete function for todo files
"au filetype todo setlocal omnifunc=todo#Complete
"
"" Auto complete projects
"au filetype todo imap <buffer> + +<C-X><C-O>
"
"" Auto complete contexts
"au filetype todo imap <buffer> @ @<C-X><C-O>

" leader
let mapleader = "-"
let leader = "-"
let maplocalleader = "-"

"execute pathogen#infect()
syntax on
filetype plugin indent on

"Line number Highlight
set nu
highlight LineNr term=bold cterm=NONE ctermfg=DarkGrey ctermbg=NONE gui=NONE guifg=DarkGrey guibg=NONE

set foldmethod=syntax

" ==============
" SHORTCUTS
" ==============

"Switch windows with keys
"nmap <silent> <C-w-k> :wincmd k<CR>
"nmap <silent> <C-w-j> :wincmd j<CR>
"nmap <silent> <C-w-h> :wincmd h<CR>
"nmap <silent> <C-w-l> :wincmd l<CR>

nmap <silent> <C-s> :vsplit<CR>:e .<CR>
nmap <silent> <C-e> :e .<CR>

nnoremap <silent> <Space> @=(foldlevel('.')?'za':"\<Space>")<CR>
vnoremap <Space> zf

au filetype c* nmap <silent> <F8> :Make<CR>
au filetype sh nmap <silent> <F8> :Runbuffer<CR>
au filetype python nmap <silent> <F8> :Runbuffer<CR>

"nmap <silent> <F5> :NERDTreeToggle<CR>
"nmap <silent> <F6> :TlistToggle<CR>
nmap <silent> <F7> :Newterm<CR>

"Tab mgmt
nmap <silent> <F1> :tabclose<CR>
nmap <silent> <F2> :tabprevious<CR>
nmap <silent> <F3> :tabnext<CR>
nmap <silent> <F4> :tabnew<CR>:e .<CR>


" ===========
" COMMANDS
" ===========

command -bar InsertHeader call Fileheader()

command -bar Suw :w !SUDO_ASKPASS="/usr/lib/ssh/ssh-askpass" sudo -A  tee %

" Command HEXMODE 
command -bar Hexmode call ToggleHex()

"^] Jump to tag, ^t jump back
"command! MakeTags !ctags -R .

command -bar Newterm call Run_in_terminal("")
command -bar Runbuffer call Run_in_terminal(expand("%:p"))
command -bar Make call Run_in_terminal("make")

" ===========
" FUNCTIONS
" ===========

function Run_in_terminal(prog)
	tabnew
	execute "terminal " . a:prog
	startinsert
endfunction

" 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.
    silent :e " this will reload the file without trickeries 
              "(DOS line endings will be shown entirely )
    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