.vimrc

" This must be first, because it changes other options as side effect
set nocompatible

if has('nvim')
  set termguicolors
endif

" Vundle magic
filetype off

set rtp+=~/.vim/bundle/vim-plug
call plug#begin('~/.vim/plugged')

Plug 'junegunn/vim-plug'

Plug 'tpope/vim-fugitive'
Plug 'tpope/vim-fireplace'

Plug 'scrooloose/nerdtree'
"Plug 'scrooloose/syntastic'

Plug 'itchyny/lightline.vim'

Plug 'majutsushi/tagbar'
Plug 'sjl/gundo.vim'
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }

"syntax highlighting
Plug 'leafgarland/typescript-vim'
Plug 'rmartinho/vim-cpp11'
Plug 'groenewege/vim-less'
Plug 'plasticboy/vim-markdown'
Plug 'fatih/vim-go'

Plug 'airblade/vim-rooter'

Plug 'junegunn/rainbow_parentheses.vim'

call plug#end() " required

" Rainbow parens changes

let g:rainbow#max_level = 64
let g:rainbow#pairs = [['(', ')'], ['[', ']'], ['{', '}']]
let g:rainbow#blacklist = [14, 'white', 10, 11, '#f6f3e8']

autocmd FileType lisp,clojure,scheme RainbowParentheses

syntax on

" change the mapleader from \ to ,
let mapleader=","

" Quickly edit/reload the vimrc file
nmap <silent> <leader>ev :e $MYVIMRC<CR>
nmap <silent> <leader>sv :so $MYVIMRC<CR>

" Hide buffers instead of closing them
set hidden

set nowrap        " don't wrap lines
set tabstop=2     " a tab is two spaces
set backspace=indent,eol,start
                  " allow backspacing over everything in insert mode
set autoindent    " always set autoindenting on
set cindent
set copyindent    " copy the previous indentation on autoindenting
set number        " always show line numbers
set shiftwidth=2  " number of spaces to use for autoindenting
set shiftround    " use multiple of shiftwidth when indenting with '<' and '>'
set showmatch     " set show matching parenthesis
set ignorecase    " ignore case when searching
set smartcase     " ignore case if search pattern is all lowercase,
                  "    case-sensitive otherwise
set smarttab      " insert tabs on the start of a line according to
                  "    shiftwidth, not tabstop
set hlsearch      " highlight search terms
set incsearch     " show search matches as you type
set expandtab     " replace tabs with spaces
set ruler         " always show line info

set wm=2
set textwidth=78  " wrap at 80

" set filetype stuff to on
filetype on
filetype plugin on
filetype indent on

"let NERDTreeShowHidden=1

" add filetype mappings for new files
au BufNewFile,BufRead *.clj set filetype=clojure

" Force terminal to use 256 colors if possible
if !has('gui_running')
  set t_Co=256
endif

if &t_Co > 2 || has("gui_running")
    " switch syntax highlighting on, when the terminal has colors
    syntax on
endif

" color scheme
colorscheme ir_black

hi SpecialKey ctermfg=235 guifg=#333333

set list          " highlight whitespace
set listchars=tab:>.,trail:.,extends:#,nbsp:.

" Use Q for formatting the current paragraph (or selection)
vmap Q gq
nmap Q gqap

set pastetoggle=<F2>

" disable arrow keys
map <up> <nop>
map <down> <nop>
map <left> <nop>
map <right> <nop>
imap <up> <nop>
imap <down> <nop>
imap <left> <nop>
imap <right> <nop>

" FZF easy hotkey
nmap ,f :FZF<CR>

" NERD tree mappings
nmap ,n :NERDTreeClose<CR>:NERDTreeToggle<CR>
nmap ,m :NERDTreeClose<CR>:NERDTreeFind<CR>
nmap ,N :NERDTreeClose<CR>

" lightline config

let g:lightline = {
      \ 'colorscheme': 'wombat',
      \ 'active': {
      \   'left': [ [ 'mode', 'paste' ], [ 'fugitive', 'filename' ], ['ctrlpmark'] ],
      \   'right': [ [ 'syntastic', 'lineinfo' ], ['percent'], [ 'fileformat', 'fileencoding', 'filetype' ] ]
      \ },
      \ 'component_function': {
      \   'fugitive': 'LightLineFugitive',
      \   'filename': 'LightLineFilename',
      \   'fileformat': 'LightLineFileformat',
      \   'filetype': 'LightLineFiletype',
      \   'fileencoding': 'LightLineFileencoding',
      \   'mode': 'LightLineMode',
      \   'ctrlpmark': 'CtrlPMark',
      \ },
      \ 'component_expand': {
      \   'syntastic': 'SyntasticStatuslineFlag',
      \ },
      \ 'component_type': {
      \   'syntastic': 'error',
      \ },
      \ 'subseparator': { 'left': '|', 'right': '|' }
      \ }

function! LightLineModified()
  return &ft =~ 'help' ? '' : &modified ? '+' : &modifiable ? '' : '-'
endfunction

function! LightLineReadonly()
  return &ft !~? 'help' && &readonly ? 'RO' : ''
endfunction

function! LightLineFilename()
  let fname = expand('%:t')
  return fname == 'ControlP' && has_key(g:lightline, 'ctrlp_item') ? g:lightline.ctrlp_item :
        \ fname == '__Tagbar__' ? g:lightline.fname :
        \ fname =~ '__Gundo\|NERD_tree' ? '' :
        \ &ft == 'vimfiler' ? vimfiler#get_status_string() :
        \ &ft == 'unite' ? unite#get_status_string() :
        \ &ft == 'vimshell' ? vimshell#get_status_string() :
        \ ('' != LightLineReadonly() ? LightLineReadonly() . ' ' : '') .
        \ ('' != fname ? fname : '[No Name]') .
        \ ('' != LightLineModified() ? ' ' . LightLineModified() : '')
endfunction

function! LightLineFugitive()
  try
    if expand('%:t') !~? 'Tagbar\|Gundo\|NERD' && &ft !~? 'vimfiler' && exists('*fugitive#head')
      let mark = ''  " edit here for cool mark
      let branch = fugitive#head()
      return branch !=# '' ? mark.branch : ''
    endif
  catch
  endtry
  return ''
endfunction

function! LightLineFileformat()
  return winwidth(0) > 70 ? &fileformat : ''
endfunction

function! LightLineFiletype()
  return winwidth(0) > 70 ? (&filetype !=# '' ? &filetype : 'no ft') : ''
endfunction

function! LightLineFileencoding()
  return winwidth(0) > 70 ? (&fenc !=# '' ? &fenc : &enc) : ''
endfunction

function! LightLineMode()
  let fname = expand('%:t')
  return fname == '__Tagbar__' ? 'Tagbar' :
        \ fname == 'ControlP' ? 'CtrlP' :
        \ fname == '__Gundo__' ? 'Gundo' :
        \ fname == '__Gundo_Preview__' ? 'Gundo Preview' :
        \ fname =~ 'NERD_tree' ? 'NERDTree' :
        \ &ft == 'unite' ? 'Unite' :
        \ &ft == 'vimfiler' ? 'VimFiler' :
        \ &ft == 'vimshell' ? 'VimShell' :
        \ winwidth(0) > 60 ? lightline#mode() : ''
endfunction

function! CtrlPMark()
  if expand('%:t') =~ 'ControlP' && has_key(g:lightline, 'ctrlp_item')
    call lightline#link('iR'[g:lightline.ctrlp_regex])
    return lightline#concatenate([g:lightline.ctrlp_prev, g:lightline.ctrlp_item
          \ , g:lightline.ctrlp_next], 0)
  else
    return ''
  endif
endfunction

let g:ctrlp_status_func = {
  \ 'main': 'CtrlPStatusFunc_1',
  \ 'prog': 'CtrlPStatusFunc_2',
  \ }

function! CtrlPStatusFunc_1(focus, byfname, regex, prev, item, next, marked)
  let g:lightline.ctrlp_regex = a:regex
  let g:lightline.ctrlp_prev = a:prev
  let g:lightline.ctrlp_item = a:item
  let g:lightline.ctrlp_next = a:next
  return lightline#statusline(0)
endfunction

function! CtrlPStatusFunc_2(str)
  return lightline#statusline(0)
endfunction

let g:tagbar_status_func = 'TagbarStatusFunc'

function! TagbarStatusFunc(current, sort, fname, ...) abort
    let g:lightline.fname = a:fname
  return lightline#statusline(0)
endfunction

let g:unite_force_overwrite_statusline = 0
let g:vimfiler_force_overwrite_statusline = 0
let g:vimshell_force_overwrite_statusline = 0
set laststatus=2


"autocmd BufRead,BufNewFile *.cpp call SetCppOptions()
"function SetCppOptions()
"  set filetype=cpp11
"  set shiftwidth=4
"endfunction
"
"autocmd BufRead,BufNewFile *.cpp call SetRubyOptions()
"function SetRubyOptions()
"  set re=1
"endfunction

" mac stuff
set clipboard=unnamed
"set transparency=20

" ctrlp config
let g:ctrlp_map = '<c-p>'
let g:ctrlp_cmd = 'CtrlP'

if executable('ag')
  " Use Ag over Grep
  set grepprg=ag\ --nogroup\ --nocolor

  " Use ag in CtrlP for listing files. Lightning fast and respects .gitignore
  let g:ctrlp_user_command = 'ag %s -l --nocolor -g ""'
endif

" make NERDtree and ctrlp share root directories
let g:NERDTreeChDirMode = 2
let g:ctrlp_working_path_mode = 'rw'