vimrc.vim

if !exists('g:loaded_plug')
so ~/.vim/autoload/plug.vim
endif

"vim-plug plugins
so ~/.vim/plugins.vim

"plugins-setup
so ~/.vim/plugins-setup.vim

"Source local settings if any.
if filereadable(glob("~/.vim/local-setup.vim"))
    source ~/.vim/local-setup.vim
endif

set nocompatible   " Use Vim settings, rather than Vi settings.

" Allow backspacing over everything in insert mode
set backspace=indent,eol,start

if has("vms")
  set nobackup		" do not keep a backup file, use versions instead
else
  set backup		" keep a backup file
endif

" Set central backup and swap file locations.
if isdirectory($HOME . '/.vim/.backup') == 0
  :silent !mkdir -m 700 -p ~/.vim/.backup > /dev/null 2>&1
endif
set backupdir=~/.vim/.backup//

if isdirectory($HOME . '/.vim/.swp') == 0
  :silent !mkdir -m 700 -p ~/.vim/.swp > /dev/null 2>&1
endif
set directory=~/.vim/.swp//

set nowrap         " Don't wrap lines at the edge of the screen
set ruler          " show the cursor position in lower right corner all the time
set number         " Show line numbers
set history=50     " keep 50 lines of command line history
set showcmd        " display incomplete commands

set incsearch      " do incremental searching
set cursorline     " Highlight the current line

set hlsearch
set autoread       " Automatically update files if changed outside of Vim
set showmatch
set shiftwidth=4 tabstop=4 expandtab
set smarttab        " Treat shiftwidth spaces as a 'virtual tab' on empty lines.
                    " i.e. one backspace press will remove shiftwidth spaces and
                    " one tab press will insert shiftwidth spaces
set shiftround      " Round shift operators '>' and '<' to a multiple of shiftwidth

set wildmenu        " Show the completion menu
set wildmode=list:longest "A list of completions will be shown and the command
                          "will be completed to the longest common command.

set spell spelllang=en_us " Enable spell checking.

set listchars=eol:¬,tab:>·,trail:~,extends:>,precedes:<
set list

set relativenumber

if has('gui_running')
    set guioptions-=T "remove toolbar
    set guioptions-=m "remove menu bar
endif

filetype plugin indent on
syntax on

" Colorscheme options
set background=dark
if !has ('nvim') " is vim
    " See ':h xterm-true-color' for the details.
    let &t_8f = "\<Esc>[38;2;%lu;%lu;%lum"
    let &t_8b = "\<Esc>[48;2;%lu;%lu;%lum"
endif
set termguicolors
colorscheme selenized

noremap <leader>n :set relativenumber!<CR>

augroup vimrc
autocmd!
    "Remove WS when a buffer is written
    autocmd BufWritePre * :%s/\s\+$//e

    " Treat WAF wscript as a python file
    autocmd BufNewFile,BufRead wscript* set filetype=python

    " Udev rules
    autocmd FileType hog set filetype=udevrules
augroup END

"Nerdtree mapping
nnoremap <silent> <F11> :NERDTreeToggle<CR>
nnoremap <silent> <C-F11> :NERDTreeFind<CR>

map <leader>tl :TlistToggle<CR>

map <F12> :buffers<BAR>
           \let i = input("Buffer number: ")<BAR>
           \execute "buffer " . i<CR>

map <C-p> :Files<CR>

" Copy current file path into + register (system paste buffer)
map <leader>cp :let @+ = expand("%:p")<CR>

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Moving around, tabs, windows and buffers
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Smart way to move between windows
map <C-j> <C-W>j
map <C-k> <C-W>k
map <C-h> <C-W>h
map <C-l> <C-W>l

" Close the current buffer
map <leader>bd :Bclose<cr>

"""""""""""""""""""""""""""""""""""""""""""""""""""""""
" LEADER MAPPINGS
"""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Reload our .vimrc
nmap <leader>~ :source ~/.vimrc<CR>:redraw!<CR>:echo "~/.vimrc reloaded!"<CR>

" Shortcut to rapidly toggle `set list`
nmap <leader>l :set list!<CR>

" leader f to search for filename under cursor using fzf
nnoremap <leader>f <Esc>:call fzf#vim#files('', {'options':'--query='.fzf#shellescape(expand('<cfile>:t'))})<CR>

" leader o to open directory of the current file.
nnoremap <leader>o <Esc>:exec "e " . expand('%:p:h')<CR>

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Editing mappings
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Remap VIM 0 to first non-blank character
map 0 ^

" Move a line of text using ALT+[jk] or Comamnd+[jk] on mac
nnoremap <M-j> mz:m+<cr>`z
nnoremap <M-k> mz:m-2<cr>`z
inoremap <A-j> <Esc>:m .+1<CR>==gi
inoremap <A-k> <Esc>:m .-2<CR>==gi
vnoremap <M-j> :m'>+<cr>`<my`>mzgv`yo`z
vnoremap <M-k> :m'<-2<cr>`>my`<mzgv`yo`z


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" => Helper functions
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Don't close window, when deleting a buffer
command! Bclose call <SID>BufcloseCloseIt()
function! <SID>BufcloseCloseIt()
   let l:currentBufNum = bufnr("%")
   let l:alternateBufNum = bufnr("#")

   if buflisted(l:alternateBufNum)
     buffer #
   else
     bnext
   endif

   if bufnr("%") == l:currentBufNum
     new
   endif

   if buflisted(l:currentBufNum)
     execute("bdelete! ".l:currentBufNum)
   endif
endfunction