vimrc

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" => Vundle
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set nocompatible              " be iMproved, required
filetype off                  " required

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'

" Appearance
Plugin 'vim-airline/vim-airline'
Plugin 'rakr/vim-one'
let g:airline_theme='one'

" Navigation
Plugin 'ctrlpvim/ctrlp.vim'
Plugin 'scrooloose/nerdtree'
Plugin 'jistr/vim-nerdtree-tabs'
Plugin 'mileszs/ack.vim'
let g:ackprg = 'ag --vimgrep'

" Editing
Plugin 'tomtom/tcomment_vim'
Plugin 'tpope/vim-surround'

" Javascript
Plugin 'pangloss/vim-javascript'

" Ruby
Plugin 'tpope/vim-rails'

" Golang
Plugin 'fatih/vim-go'
let g:go_fmt_command = "goimports"
autocmd Filetype go command! -bang A call go#alternate#Switch(<bang>0, 'edit')
autocmd Filetype go command! -bang AV call go#alternate#Switch(<bang>0, 'vsplit')
autocmd Filetype go command! -bang AS call go#alternate#Switch(<bang>0, 'split')
autocmd Filetype go command! -bang AT call go#alternate#Switch(<bang>0, 'tabe')
let g:go_highlight_types = 1
let g:go_highlight_fields = 1
let g:go_highlight_functions = 1
let g:go_highlight_function_calls = 0
let g:go_highlight_trailing_whitespace_error = 1

" i3 integration
Plugin 'vbrown608/i3-vim-nav'
nnoremap <silent> <c-l> :call Focus('right', 'l')<CR>
nnoremap <silent> <c-h> :call Focus('left', 'h')<CR>
nnoremap <silent> <c-k> :call Focus('up', 'k')<CR>
nnoremap <silent> <c-j> :call Focus('down', 'j')<CR>
set title

" All of your Plugins must be added before the following line
call vundle#end()            " required
filetype plugin indent on    " required

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" => General
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" Sets how many lines of history VIM has to remember
set history=500

" Enable filetype plugins
filetype plugin on
filetype indent on

" Set to auto read when a file is changed from the outside
set autoread

" Automatically write on make
set autowrite

" With a map leader it's possible to do extra key combinations
" like <leader>w saves the current file
let mapleader = ","
let g:mapleader = ","

" Fast saving
nmap <leader>w :w!<cr>

" :W sudo saves the file
" (useful for handling the permission-denied error)
command W w !sudo tee % > /dev/null

" Set timeout for esc (and others)
set timeoutlen=500 ttimeoutlen=0


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" => VIM user interface
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" Allows you to easily replace the current word and all its occurrences.
nnoremap <Leader>rc :%s/\<<C-r><C-w>\>/
vnoremap <Leader>rc y:%s/<C-r>"/

" Set 7 lines to the cursor - when moving vertically using j/k
set so=7

" Avoid garbled characters in Chinese language windows OS
let $LANG='en'
set langmenu=en
source $VIMRUNTIME/delmenu.vim
source $VIMRUNTIME/menu.vim

" Turn on the WiLd menu
set wildmenu

" Ignore compiled files
set wildignore=*.o,*~,*.pyc
if has("win16") || has("win32")
    set wildignore+=.git\*,.hg\*,.svn\*
else
    set wildignore+=*/.git/*,*/.hg/*,*/.svn/*,*/.DS_Store
endif

"Always show current position
set ruler

" Height of the command bar
set cmdheight=1

" A buffer becomes hidden when it is abandoned
set hid

" Configure backspace so it acts as it should act
set backspace=eol,start,indent
set whichwrap+=<,>,h,l

" Ignore case when searching
set ignorecase

" When searching try to be smart about cases
set smartcase

" Highlight search results
set hlsearch

" Makes search act like search in modern browsers
set incsearch

" Don't redraw while executing macros (good performance config)
set lazyredraw

" For regular expressions turn magic on
set magic

" Show matching brackets when text indicator is over them
set showmatch
" How many tenths of a second to blink when matching brackets
set mat=2

" No annoying sound on errors
set noerrorbells
set novisualbell
set t_vb=
set tm=500

" Properly disable sound on errors on MacVim
if has("gui_macvim")
    autocmd GUIEnter * set vb t_vb=
endif

set showmode
set showcmd
set mouse=a
set number

" to underline entire cursor line
set cursorline


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" => Colors and Fonts
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" Enable syntax highlighting
syntax enable

if (has("termguicolors"))
 set termguicolors
endif

" Enable 256 colors palette
set t_Co=256

" Set extra options when running in GUI mode
if has("gui_running")
    set guioptions-=T
    set guioptions-=e
    set t_Co=256
    set guitablabel=%M\ %t
endif

" Set utf8 as standard encoding and en_US as the standard language
set encoding=utf8

" Use Unix as the standard file type
set ffs=unix,dos,mac

try
    colorscheme one
catch
endtry

set background=dark

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" => Files, backups and undo
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" Turn backup off, since most stuff is in SVN, git et.c anyway...
set nobackup
set nowb
set noswapfile

" When you open a file, you can undo changes you made previously
set undofile
set undodir=~/.vim/undo/


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" => Text, tab and indent related
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" Use spaces instead of tabs
set expandtab

" Be smart when using tabs ;)
set smarttab

" 1 tab == 2 spaces
set shiftwidth=2
set tabstop=2

" Linebreak on 500 characters
set lbr
set tw=500

set ai "Auto indent
set si "Smart indent
set wrap "Wrap lines

" make tabs and trailing spaces visible
set list listchars=tab:▷⋅,trail:⋅,nbsp:⋅


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" => Visual mode related
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" Visual mode pressing * or # searches for the current selection
" Super useful! From an idea by Michael Naumann
vnoremap <silent> * :<C-u>call VisualSelection('', '')<CR>/<C-R>=@/<CR><CR>
vnoremap <silent> # :<C-u>call VisualSelection('', '')<CR>?<C-R>=@/<CR><CR>


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" => Moving around, tabs, windows and buffers
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" Map <Space> to / (search) and Ctrl-<Space> to ? (backwards search)
map <space> /
map <c-space> ?

" Disable highlight when <leader><cr> is pressed
map <silent> <leader><cr> :noh<cr>

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

" Close all the buffers
map <leader>ba :bufdo bd<cr>

map <leader>l :bnext<cr>
map <leader>h :bprevious<cr>

" Useful mappings for managing tabs
map <leader>tn :tabnew 
map <leader>to :tabonly<cr>
map <leader>tc :tabclose<cr>
map <leader>tm :tabmove 
map <leader>t<leader> :tabnext<cr>

" Let 'tl' toggle between this and the last accessed tab
let g:lasttab = 1
nmap <Leader>tl :exe "tabn ".g:lasttab<CR>
au TabLeave * let g:lasttab = tabpagenr()


" Opens a new tab with the current buffer's path
" Super useful when editing files in the same directory
map <leader>te :tabedit <c-r>=expand("%:p:h")<cr>/

" Switch CWD to the directory of the open buffer
map <leader>cd :cd %:p:h<cr>:pwd<cr>

" Specify the behavior when switching between buffers
" try
"   set switchbuf=useopen,usetab,newtab
"   set stal=2
" catch
" endtry

" Return to last edit position when opening files (You want this!)
au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif

" Make Ctrl-e jump to the end of the current line in the insert mode. This is
" handy when you are in the middle of a line and would like to go to its end
" without switching to the normal mode.
inoremap <C-e> <C-o>$

" Match my tmux config
nnoremap <Leader>- :split<cr>
nnoremap <Leader>\| :vsplit<cr>

" Open new split panes to right and bottom, which feels more natural than Vim’s default
set splitbelow
set splitright

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

execute "set <M-j>=\ej"
nnoremap <M-j> j
execute "set <M-k>=\ek"
nnoremap <M-k> k

nnoremap <M-j> :m .+1<CR>==
nnoremap <M-k> :m .-2<CR>==
inoremap <M-j> <Esc>:m .+1<CR>==gi
inoremap <M-k> <Esc>:m .-2<CR>==gi
vnoremap <M-j> :m '>+1<CR>gv=gv
vnoremap <M-k> :m '<-2<CR>gv=gv

" Delete trailing white space on save, useful for some filetypes ;)
fun! CleanExtraSpaces()
    let save_cursor = getpos(".")
    let old_query = getreg('/')
    silent! %s/\s\+$//e
    call setpos('.', save_cursor)
    call setreg('/', old_query)
endfun

if has("autocmd")
    autocmd BufWritePre *.txt,*.js,*.py,*.wiki,*.sh,*.coffee :call CleanExtraSpaces()
endif

" Yank to system clipboard
:map <leader>y "+y


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" => Spell checking
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" Pressing ,ss will toggle and untoggle spell checking
map <leader>ss :setlocal spell!<cr>

" Shortcuts using <leader>
map <leader>sn ]s
map <leader>sp [s
map <leader>sa zg
map <leader>s? z=


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" => Misc
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" Remove the Windows ^M - when the encodings gets messed up
noremap <Leader>m mmHmt:%s/<C-V><cr>//ge<cr>'tzt'm

" Quickly open a buffer for scribble
map <leader>q :e ~/buffer<cr>

" Quickly open a markdown buffer for scribble
map <leader>x :e ~/buffer.md<cr>

" Toggle paste mode on and off
map <leader>pp :setlocal paste!<cr>


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" => Helper functions
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" Returns true if paste mode is enabled
function! HasPaste()
    if &paste
        return 'PASTE MODE  '
    endif
    return ''
endfunction

" 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

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" => Nerd Tree
" """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
let g:nerdtreewinpos = "right"
let nerdtreeshowhidden=0
let nerdtreeignore = ['\.pyc$', '__pycache__']
let g:NERDTreeWinSize=20
let NERDTreeMinimalUI = 1
map <leader>nn :NERDTreeToggle<cr>
map <leader>nb :NERDTreeFromBookmark<Space>
map <leader>nf :NERDTreeFind<cr>
let g:nerdtree_tabs_open_on_console_startup = 0

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" => Language-specific
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" Use nasm syntax highlighting for assmebly
au BufRead,BufNewFile *.asm set filetype=nasm

" Nginx config file
au BufRead,BufNewFile *.nginx set ft=nginx
au BufRead,BufNewFile */etc/nginx/* set ft=nginx
au BufRead,BufNewFile */usr/local/nginx/conf/* set ft=nginx
au BufRead,BufNewFile nginx.conf set ft=nginx