colorscheme desert
set encoding=utf8
set noerrorbells
let mapleader = "\\" " map leader to comma

syntax enable

set tabstop=4           " number of visual spaces per TAB
set softtabstop=4       " number of spaces in tab when editing
set expandtab           " tabs are spaces

set number              " show line numbers
set relativenumber      " show relative line numbers
set showcmd             " show command in bottom bar
set cursorline          " highlight current line
filetype indent on      " load filetype-specific indent files

set wildmenu            " visual autocomplete for command menu
set lazyredraw          " redraw only when we need to.

set showmatch           " highlight matching [{()}]

set ignorecase
set smartcase
set incsearch           " search as characters are entered
set hlsearch            " highlight matches
" turn off search highlight
nnoremap <leader><space> :nohlsearch<CR>

set foldenable          " enable folding
set foldlevelstart=10   " open most folds by default
set foldnestmax=10      " 10 nested fold max
" space open/closes folds
nnoremap <space> za

set foldmethod=indent   " fold based on indent level

" switching over buffers
map gn :bn<cr>
map gp :bp<cr>
map gd :bd<cr>

" move vertically by visual line
nnoremap j gj
nnoremap k gk

" move to beginning/end of line
nnoremap B ^
nnoremap E $

" $/^ doesn't do anything
nnoremap $ <nop>
nnoremap ^ <nop>

" highlight last inserted text
nnoremap gV `[v`]

" using tabs
map <C-j> <C-W>j
map <C-k> <C-W>k
map <C-h> <C-W>h
map <C-l> <C-W>l

" toggle between number and relativenumber
function! ToggleNumber()
    if(&relativenumber == 1)
        set norelativenumber
        set number
    else
        set relativenumber
    endif
endfunc

" strips trailing whitespace at the end of files. this
" is called on buffer write in the autogroup above.
function! <SID>StripTrailingWhitespaces()
    " save last search & cursor position
    let _s=@/
    let l = line(".")
    let c = col(".")
    %s/\s\+$//e
    let @/=_s
    call cursor(l, c)
endfunction

augroup configgroup
    autocmd!
    autocmd VimEnter * highlight clear SignColumn
    autocmd BufWritePre *.php,*.py,*.js,*.txt,*.hs,*.java,*.md
                \:call <SID>StripTrailingWhitespaces()
    autocmd FileType java setlocal noexpandtab
    autocmd FileType java setlocal list
    autocmd FileType java setlocal listchars=tab:+\ ,eol:-
    autocmd FileType java setlocal formatprg=par\ -w80\ -T4
    autocmd FileType php setlocal expandtab
    autocmd FileType php setlocal list
    autocmd FileType php setlocal listchars=tab:+\ ,eol:-
    autocmd FileType php setlocal formatprg=par\ -w80\ -T4
    autocmd FileType ruby setlocal tabstop=2
    autocmd FileType ruby setlocal shiftwidth=2
    autocmd FileType ruby setlocal softtabstop=2
    autocmd FileType ruby setlocal commentstring=#\ %s
    autocmd FileType python setlocal commentstring=#\ %s
    autocmd BufEnter *.cls setlocal filetype=java
    autocmd BufEnter *.zsh-theme setlocal filetype=zsh
    autocmd BufEnter Makefile setlocal noexpandtab
    autocmd BufEnter *.sh setlocal tabstop=2
    autocmd BufEnter *.sh setlocal shiftwidth=2
    autocmd BufEnter *.sh setlocal softtabstop=2
augroup END


set backup
set backupdir=~/.vim-tmp,~/.tmp,~/tmp,/var/tmp,/tmp
set backupskip=/tmp/*,/private/tmp/*
set directory=~/.vim-tmp,~/.tmp,~/tmp,/var/tmp,/tmp
set writebackup

set statusline=   " clear the statusline for when vimrc is reloaded
set statusline+=%-3.3n\                      " buffer number
set statusline+=%f\                          " file name
set statusline+=%h%m%r%w                     " flags
set statusline+=[%{strlen(&ft)?&ft:'none'},  " filetype
set statusline+=%{strlen(&fenc)?&fenc:&enc}, " encoding
set statusline+=%{&fileformat}]              " file format
set statusline+=%=                           " right align
set statusline+=%{synIDattr(synID(line('.'),col('.'),1),'name')}\  " highlight
set statusline+=%b,0x%-8B\                   " current char
set statusline+=%-14.(%l,%c%V%)\ %<%P        " offset

set laststatus=2

" Plugins will be downloaded under the specified directory.
call plug#begin(has('nvim') ? stdpath('data') . '/plugged' : '~/.vim_runtime/plugged')

" Declare the list of plugins.
" ':PlugInstall' to install plugins
Plug 'spolu/dwm.vim'
Plug 'preservim/nerdtree'
Plug 'mg979/vim-visual-multi', {'branch': 'master'}
Plug 'vim-airline/vim-airline'
Plug 'jeetsukumaran/vim-buffergator'
Plug 'rhysd/git-messenger.vim'
Plug 'maxbrunsfeld/vim-yankstack'

" List ends here. Plugins become visible to Vim after this call.
call plug#end()

" NERDTree plugin
nmap <F6> :NERDTree<CR>
nnoremap <leader>n :NERDTreeFocus<CR>
" nnoremap <C-n> :NERDTree<CR>
nnoremap <F7> :NERDTreeToggle<CR>
nnoremap <C-f> :NERDTreeFind<CR>

" DWM plugin
nmap <C-P> <Plug>DWMNew

" Splitted window size changing
nnoremap <F2> 5<C-w><
nnoremap <F3> 5<C-w>>
nnoremap <F4> 1<C-w>+
nnoremap <F5> 1<C-w>-

" useful combination
noremap <leader>r :source ~/.vimrc<CR>