vimnoplugs

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" Auto reload on file change
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set autoread

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" Colors
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set t_Co=256
set background=dark
highlight Normal ctermbg=NONE
highlight nonText ctermbg=NONE
" colorscheme base16-railscasts
" colorscheme cobalt
colorscheme desert

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" Vim-ES6 (https://github.com/isRuslan/vim-es6)
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if &filetype=='js'
    set syntax=javascript
endif

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" Sign column color fix
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highlight clear SignColumn
highlight clear LineNr


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" HELP
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
map <c-F1> :e C:\Program Files (x86)\Vim\useful.txt<CR>

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" Number lines
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set relativenumber 
set number

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" Disable swap files
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set nobackup
set noswapfile

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" AIRLINE
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set laststatus=2

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" DISABLE BEEPING
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set noerrorbells visualbell t_vb=
autocmd GUIEnter * set visualbell t_vb=

syntax on

source $VIMRUNTIME/vimrc_example.vim
source $VIMRUNTIME/mswin.vim
" behave mswin

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" Buffers
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
imap <F2> :bprev<CR>
imap <F3> :bnext<CR>
nmap <F2> :bprev<CR>
nmap <F3> :bnext<CR>


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" STATUS LINE
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
:set statusline=%<%f\ (%{&ft})\ %-4(%m%)%=%-19(%3l,%02c%03V%)


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" Anaconda
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" if &ft == 'py'
" map <F5> <cr> :!"C:\Program Files\Anaconda3\python.exe" "%:p"<cr>
" endif

" Bind F5 to save file if modified and execute python script in a buffer.
nnoremap <silent> <F5> :call SaveAndExecutePython()<CR>
vnoremap <silent> <F5> :<C-u>call SaveAndExecutePython()<CR>

function! SaveAndExecutePython()
    " SOURCE [reusable window]: https://github.com/fatih/vim-go/blob/master/autoload/go/ui.vim

    " save and reload current file
    silent execute "update | edit"

    " get file path of current file
    let s:current_buffer_file_path = expand("%")

    let s:output_buffer_name = "Python"
    let s:output_buffer_filetype = "output"

    " reuse existing buffer window if it exists otherwise create a new one
    if !exists("s:buf_nr") || !bufexists(s:buf_nr)
        silent execute 'botright new ' . s:output_buffer_name
        let s:buf_nr = bufnr('%')
    elseif bufwinnr(s:buf_nr) == -1
        silent execute 'botright new'
        silent execute s:buf_nr . 'buffer'
    elseif bufwinnr(s:buf_nr) != bufwinnr('%')
        silent execute bufwinnr(s:buf_nr) . 'wincmd w'
    endif

    silent execute "setlocal filetype=" . s:output_buffer_filetype
    setlocal bufhidden=delete
    setlocal buftype=nofile
    setlocal noswapfile
    setlocal nobuflisted
    setlocal winfixheight
    setlocal cursorline " make it easy to distinguish
    setlocal nonumber
    setlocal norelativenumber
    setlocal showbreak=""

    " clear the buffer
    setlocal noreadonly
    setlocal modifiable
    %delete _

    " add the console output
    silent execute ".!\"C:\\Program Files\\Anaconda3\\python.exe\" " . shellescape(s:current_buffer_file_path, 1)

    " resize window to content length
    " Note: This is annoying because if you print a lot of lines then your code buffer is forced to a height of one line every time you run this function.
    "       However without this line the buffer starts off as a default size and if you resize the buffer then it keeps that custom size after repeated runs of this function.
    "       But if you close the output buffer then it returns to using the default size when its recreated
    "execute 'resize' . line('$')

    " make the buffer non modifiable
    setlocal readonly
    setlocal nomodifiable
endfunction


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" Split switching
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
nnoremap <c-j> <c-w>j
nnoremap <c-k> <c-w>k
nnoremap <c-h> <c-w>h
nnoremap <c-l> <c-w>l

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" GUI
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set guioptions-=r  "remove right-hand scroll bar
set guioptions-=L  "remove left-hand scroll bar

" set guifont=Monaco:h9:cANSI:qDRAFT
set guifont=Consolas:h10

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" Hexmode
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" 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.
    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

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

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" wat
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set diffexpr=MyDiff()
function MyDiff()
  let opt = '-a --binary '
  if &diffopt =~ 'icase' | let opt = opt . '-i ' | endif
  if &diffopt =~ 'iwhite' | let opt = opt . '-b ' | endif
  let arg1 = v:fname_in
  if arg1 =~ ' ' | let arg1 = '"' . arg1 . '"' | endif
  let arg2 = v:fname_new
  if arg2 =~ ' ' | let arg2 = '"' . arg2 . '"' | endif
  let arg3 = v:fname_out
  if arg3 =~ ' ' | let arg3 = '"' . arg3 . '"' | endif
  if $VIMRUNTIME =~ ' '
    if &sh =~ '\<cmd'
      if empty(&shellxquote)
        let l:shxq_sav = ''
        set shellxquote&
      endif
      let cmd = '"' . $VIMRUNTIME . '\diff"'
    else
      let cmd = substitute($VIMRUNTIME, ' ', '" ', '') . '\diff"'
    endif
  else
    let cmd = $VIMRUNTIME . '\diff'
  endif
  silent execute '!' . cmd . ' ' . opt . arg1 . ' ' . arg2 . ' > ' . arg3
  if exists('l:shxq_sav')
    let &shellxquote=l:shxq_sav
  endif
endfunction

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" DirectX
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
if has("directx") && $VIM_USE_DIRECTX != '0'
  set renderoptions=type:directx,taamode:1
endif

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" Always start vim in fullscreen
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au GUIEnter * simalt ~x


let extension = expand('%:e')

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" Tabs, Html/CSS Formatting
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
if extension=="html" || extension=="css" || extension=="asm"
	set tabstop=2
	set shiftwidth=2
	set number
	set expandtab
else
	set tabstop=2
	set shiftwidth=2
	set number
	set expandtab
endif

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" LaTeX
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" if extension=="tex"
" 	set encoding=utf8
" endif

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" Fuck swap files
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
set backup
set backupdir=C:\WINDOWS\Temp
set backupskip=C:\WINDOWS\Temp\*
set directory=C:\WINDOWS\Temp
set writebackup

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" Cursorline
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set cursorline

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" BuffOnly - Delete all the buffers except the current/named buffer
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Copyright November 2003 by Christian J. Robinson <[email protected]>
"
" Distributed under the terms of the Vim license.  See ":help license".
"
" Usage:
"
" :Bonly / :BOnly / :Bufonly / :BufOnly [buffer] 
"
" Without any arguments the current buffer is kept.  With an argument the
" buffer name/number supplied is kept.

command! -nargs=? -complete=buffer -bang Bonly
    \ :call BufOnly('<args>', '<bang>')
command! -nargs=? -complete=buffer -bang BOnly
    \ :call BufOnly('<args>', '<bang>')
command! -nargs=? -complete=buffer -bang Bufonly
    \ :call BufOnly('<args>', '<bang>')
command! -nargs=? -complete=buffer -bang BufOnly
    \ :call BufOnly('<args>', '<bang>')

function! BufOnly(buffer, bang)
	if a:buffer == ''
		" No buffer provided, use the current buffer.
		let buffer = bufnr('%')
	elseif (a:buffer + 0) > 0
		" A buffer number was provided.
		let buffer = bufnr(a:buffer + 0)
	else
		" A buffer name was provided.
		let buffer = bufnr(a:buffer)
	endif

	if buffer == -1
		echohl ErrorMsg
		echomsg "No matching buffer for" a:buffer
		echohl None
		return
	endif

	let last_buffer = bufnr('$')

	let delete_count = 0
	let n = 1
	while n <= last_buffer
		if n != buffer && buflisted(n)
			if a:bang == '' && getbufvar(n, '&modified')
				echohl ErrorMsg
				echomsg 'No write since last change for buffer'
							\ n '(add ! to override)'
				echohl None
			else
				silent exe 'bdel' . a:bang . ' ' . n
				if ! buflisted(n)
					let delete_count = delete_count+1
				endif
			endif
		endif
		let n = n+1
	endwhile

	if delete_count == 1
		echomsg delete_count "buffer deleted"
	elseif delete_count > 1
		echomsg delete_count "buffers deleted"
	endif

endfunction