vimrc

set nocompatible

"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'

Plugin 'jlanzarotta/bufexplorer'
Plugin 'godlygeek/csapprox'
Plugin 'ctrlpvim/ctrlp.vim'
Plugin 'tpope/vim-endwise'
Plugin 'tpope/vim-markdown'
Plugin 'henrik/vim-indexed-search'
Plugin 'scrooloose/nerdtree'
Plugin 'Xuyuanp/nerdtree-git-plugin'
Plugin 'scrooloose/nerdcommenter'
Plugin 'scrooloose/syntastic'
Plugin 'tpope/vim-rails'
Plugin 'tpope/vim-surround'
Plugin 'tpope/vim-fugitive'
Plugin 'tpope/vim-ragtag'
Plugin 'SirVer/ultisnips'
Plugin 'honza/vim-snippets'
Plugin 'mbbill/undotree'
Plugin 'vim-scripts/YankRing.vim'
Plugin 'majutsushi/tagbar'
Plugin 'kien/rainbow_parentheses.vim'
Plugin 'Valloric/MatchTagAlways'
Plugin 'EinfachToll/DidYouMean'
Plugin 'AndrewRadev/splitjoin.vim'
Plugin 'michaeljsmith/vim-indent-object'
Plugin 'vim-utils/vim-ruby-fold'
Plugin 'christoomey/vim-tmux-navigator'
Plugin 'chrisbra/csv.vim'
Plugin 'ludovicchabant/vim-gutentags'
Plugin 'airblade/vim-gitgutter'
Plugin 'godlygeek/tabular'
Plugin 'NLKNguyen/papercolor-theme'
Plugin 'kana/vim-textobj-user'
Plugin 'nelstrom/vim-textobj-rubyblock'
Plugin 'dhruvasagar/vim-table-mode'
Plugin 'mattn/webapi-vim'
Plugin 'mattn/gist-vim'
Plugin 'mzlogin/vim-markdown-toc'
Plugin 'aklt/plantuml-syntax'
Plugin 'AndrewRadev/sideways.vim'
Plugin 'kassio/neoterm'
Plugin 'janko-m/vim-test'
Plugin 'flazz/vim-colorschemes'
call vundle#end()

runtime macros/matchit.vim

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

"store lots of :cmdline history
set history=1000

set showcmd     "show incomplete cmds down the bottom
set showmode    "show current mode down the bottom

set number      "show line numbers

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

set incsearch   "find the next match as we type the search
set hlsearch    "hilight searches by default

set wrap        "dont wrap lines
set linebreak   "wrap lines at convenient points

if v:version >= 703
    "undo settings
    set undodir=~/.vim/undofiles
    set undofile

    set colorcolumn=+1 "mark the ideal max text width
endif

set directory=~/.vim/swapfiles//

"default indent settings
set shiftwidth=4
set softtabstop=4
set expandtab
set autoindent

"folding settings
set foldmethod=indent   "fold based on indent
set foldnestmax=3       "deepest fold is 3 levels
set nofoldenable        "dont fold by default

set wildmode=list:longest   "make cmdline tab completion similar to bash
set wildmenu                "enable ctrl-n and ctrl-p to scroll thru matches
set wildignore=*.o,*.obj,*~ "stuff to ignore when tab completing

set formatoptions-=o "dont continue comments when pushing o/O

"vertical/horizontal scroll off settings
set scrolloff=3
set sidescrolloff=7
set sidescroll=1

"load ftplugins and indent files
filetype plugin on
filetype indent on

"turn on syntax highlighting
syntax on

"some stuff to get the mouse going in term
set mouse=a
if !has("nvim")
    set ttymouse=xterm2
endif

"tell the term has 256 colors
"set t_Co=256

colorscheme github

"hide buffers when not displayed
set hidden

iabbrev teh the

set ignorecase
set smartcase

"statusline setup
set statusline =%#identifier#
set statusline+=[%f]    "tail of the filename
set statusline+=%*

"display a warning if fileformat isnt unix
set statusline+=%#warningmsg#
set statusline+=%{&ff!='unix'?'['.&ff.']':''}
set statusline+=%*

"display a warning if file encoding isnt utf-8
set statusline+=%#warningmsg#
set statusline+=%{(&fenc!='utf-8'&&&fenc!='')?'['.&fenc.']':''}
set statusline+=%*

set statusline+=%h      "help file flag
set statusline+=%y      "filetype

"read only flag
set statusline+=%#identifier#
set statusline+=%r
set statusline+=%*

"modified flag
set statusline+=%#warningmsg#
set statusline+=%m
set statusline+=%*

set statusline+=%{fugitive#statusline()}

"display a warning if &et is wrong, or we have mixed-indenting
set statusline+=%#error#
set statusline+=%{StatuslineTabWarning()}
set statusline+=%*

set statusline+=%{StatuslineTrailingSpaceWarning()}

set statusline+=%{StatuslineLongLineWarning()}

set statusline+=%#warningmsg#
set statusline+=%{SyntasticStatuslineFlag()}
set statusline+=%*

"display a warning if &paste is set
set statusline+=%#error#
set statusline+=%{&paste?'[paste]':''}
set statusline+=%*

set statusline+=%=      "left/right separator
set statusline+=%{StatuslineCurrentHighlight()}\ \ "current highlight
set statusline+=%c,     "cursor column
set statusline+=%l/%L   "cursor line/total lines
set statusline+=\ %P    "percent through file
set laststatus=2

"recalculate the trailing whitespace warning when idle, and after saving
autocmd cursorhold,bufwritepost * unlet! b:statusline_trailing_space_warning

"return '[\s]' if trailing white space is detected
"return '' otherwise
function! StatuslineTrailingSpaceWarning()
    if !exists("b:statusline_trailing_space_warning")

        if !&modifiable
            let b:statusline_trailing_space_warning = ''
            return b:statusline_trailing_space_warning
        endif

        if search('\s\+$', 'nw') != 0
            let b:statusline_trailing_space_warning = '[\s]'
        else
            let b:statusline_trailing_space_warning = ''
        endif
    endif
    return b:statusline_trailing_space_warning
endfunction

"return the syntax highlight group under the cursor ''
function! StatuslineCurrentHighlight()
    let name = synIDattr(synID(line('.'),col('.'),1),'name')
    if name == ''
        return ''
    else
        return '[' . name . ']'
    endif
endfunction

"recalculate the tab warning flag when idle and after writing
autocmd cursorhold,bufwritepost * unlet! b:statusline_tab_warning

"return '[&et]' if &et is set wrong
"return '[mixed-indenting]' if spaces and tabs are used to indent
"return an empty string if everything is fine
function! StatuslineTabWarning()
    if !exists("b:statusline_tab_warning")
        let b:statusline_tab_warning = ''

        if !&modifiable
            return b:statusline_tab_warning
        endif

        let tabs = search('^\t', 'nw') != 0

        "find spaces that arent used as alignment in the first indent column
        let spaces = search('^ \{' . &ts . ',}[^\t]', 'nw') != 0

        if tabs && spaces
            let b:statusline_tab_warning =  '[mixed-indenting]'
        elseif (spaces && !&et) || (tabs && &et)
            let b:statusline_tab_warning = '[&et]'
        endif
    endif
    return b:statusline_tab_warning
endfunction

"recalculate the long line warning when idle and after saving
autocmd cursorhold,bufwritepost * unlet! b:statusline_long_line_warning

"return a warning for "long lines" where "long" is either &textwidth or 80 (if
"no &textwidth is set)
"
"return '' if no long lines
"return '[#x,my,$z] if long lines are found, were x is the number of long
"lines, y is the median length of the long lines and z is the length of the
"longest line
function! StatuslineLongLineWarning()
    if !exists("b:statusline_long_line_warning")

        if !&modifiable
            let b:statusline_long_line_warning = ''
            return b:statusline_long_line_warning
        endif

        let long_line_lens = s:LongLines()

        if len(long_line_lens) > 0
            let b:statusline_long_line_warning = "[" .
                        \ '#' . len(long_line_lens) . "," .
                        \ 'm' . s:Median(long_line_lens) . "," .
                        \ '$' . max(long_line_lens) . "]"
        else
            let b:statusline_long_line_warning = ""
        endif
    endif
    return b:statusline_long_line_warning
endfunction

"return a list containing the lengths of the long lines in this buffer
function! s:LongLines()
    let threshold = (&tw ? &tw : 80)
    let spaces = repeat(" ", &ts)
    let line_lens = map(getline(1,'$'), 'len(substitute(v:val, "\\t", spaces, "g"))')
    return filter(line_lens, 'v:val > threshold')
endfunction

"find the median of the given array of numbers
function! s:Median(nums)
    let nums = sort(a:nums)
    let l = len(nums)

    if l % 2 == 1
        let i = (l-1) / 2
        return nums[i]
    else
        return (nums[l/2] + nums[(l/2)-1]) / 2
    endif
endfunction

"sideways conf - for swapping arguments around
nnoremap <leader>sh :SidewaysLeft<cr>
nnoremap <leader>sl :SidewaysRight<cr>

"text objects for function args
omap aa <Plug>SidewaysArgumentTextobjA
xmap aa <Plug>SidewaysArgumentTextobjA
omap ia <Plug>SidewaysArgumentTextobjI
xmap ia <Plug>SidewaysArgumentTextobjI

"csv settings
let g:csv_nomap_space=1

"plantuml conf
let g:plantuml_executable_script = "$HOME/.vim/plantuml/uml.sh"

"use space as leader in sensible modes
nmap <space> <Leader>
vmap <space> <Leader>

"make wrapped lines more intuitive
noremap <silent> k gk
noremap <silent> j gj
noremap <silent> 0 g0
noremap <silent> $ g$

"fix for yankring and neovim
let g:yankring_clipboard_monitor=0

"vim-gist settings
let g:gist_post_private = 1
let g:gist_browser_command = 'sensible-browser %URL%'

"add new words (via zg) here
setlocal spellfile+=~/.vim/spell/en.utf-8.add

"make table-mode tables github-markdown compat
let g:table_mode_corner="|"

"syntastic settings
let syntastic_stl_format = '[Syntax: %E{line:%fe }%W{#W:%w}%B{ }%E{#E:%e}]'

"nerdtree settings
let g:NERDTreeMouseMode = 2
let g:NERDTreeWinSize = 40
let g:NERDTreeMinimalUI=1

"tagbar settings
let g:tagbar_sort = 0

"neoterm and test mapping settings
let g:neoterm_split_on_tnew=0

"vim-test settings
let test#strategy = "neoterm"
nnoremap <leader>tt :TestNearest<cr>
nnoremap <leader>tf :TestFile<cr>
nnoremap <leader>ta :TestSuite<cr>
nnoremap <leader>tl :TestLast<cr>
nnoremap <leader>tg :TestVisit<cr>

"explorer mappings
nnoremap <leader>bb :BufExplorer<cr>
nnoremap <leader>bs :BufExplorerHorizontalSplit<cr>
nnoremap <leader>bv :BufExplorerVerticalSplit<cr>
nnoremap <leader>nt :NERDTreeToggle<cr>
nnoremap <leader>nf :NERDTreeFind<cr>
nnoremap <leader>nn :e .<cr>
nnoremap <leader>nd :e %:h<cr>
nnoremap <leader>] :TagbarToggle<cr>
nnoremap <c-f> :CtrlP<cr>
nnoremap <c-b> :CtrlPBuffer<cr>

"command abbrevs we can use `:E<space>` (and similar) to edit a file in the
"same dir as current file
cabbrev E <c-r>="e "  . expand("%:h") . "/"<cr><c-r>=<SID>Eatchar(' ')<cr>
cabbrev Sp <c-r>="sp " . expand("%:h") . "/"<cr><c-r>=<SID>Eatchar(' ')<cr>
cabbrev SP <c-r>="sp " . expand("%:h") . "/"<cr><c-r>=<SID>Eatchar(' ')<cr>
cabbrev Vs <c-r>="vs " . expand("%:h") . "/"<cr><c-r>=<SID>Eatchar(' ')<cr>
cabbrev VS <c-r>="vs " . expand("%:h") . "/"<cr><c-r>=<SID>Eatchar(' ')<cr>
function! s:Eatchar(pat)
  let c = nr2char(getchar(0))
  return (c =~ a:pat) ? '' : c
endfunc

"ultisnips settings
let g:UltiSnipsListSnippets = "<c-s>"
augroup Ultisnips
    autocmd bufenter,bufnewfile */factories/*.rb UltiSnipsAddFiletypes factory_girl
    autocmd bufenter,bufnewfile */app/admin/*.rb,*/app/views/activeadmin/*.{rb,arb},*.erb UltiSnipsAddFiletypes formtastic
augroup END

if has("nvim")
    tnoremap <silent> <Esc> <C-\><C-n>`.$
    tnoremap <A-h> <C-\><C-n><C-w>h
    tnoremap <A-j> <C-\><C-n><C-w>j
    tnoremap <A-k> <C-\><C-n><C-w>k
    tnoremap <A-l> <C-\><C-n><C-w>l
    autocmd BufEnter term://* startinsert
endif

"source project specific config files
runtime! projects/**/*.vim

"dont load csapprox if we no gui support - silences an annoying warning
if !has("gui")
    let g:CSApprox_loaded = 1
endif

"ruby block textobj conf - remap from ar/ir to ab/ib
let g:textobj_rubyblock_no_default_key_mappings = 1
xmap ab  <Plug>(textobj-rubyblock-a)
omap ab  <Plug>(textobj-rubyblock-a)
xmap ib  <Plug>(textobj-rubyblock-i)
omap ib  <Plug>(textobj-rubyblock-i)

"make <c-l> clear the highlight as well as redraw
nnoremap <C-L> :nohls<CR><C-L>
inoremap <C-L> <C-O>:nohls<CR>

"map Q to something useful
noremap Q gq

"make Y consistent with C and D
nnoremap Y y$

"visual search mappings
function! s:VSetSearch()
    let temp = @@
    norm! gvy
    let @/ = '\V' . substitute(escape(@@, '\'), '\n', '\\n', 'g')
    let @@ = temp
endfunction
vnoremap * :<C-u>call <SID>VSetSearch()<CR>//<CR>
vnoremap # :<C-u>call <SID>VSetSearch()<CR>??<CR>

"gutentags settings
let g:gutentags_ctags_exclude = ['vendor/*', 'tmp/*', 'log/*', 'coverage/*', 'doc/*']

"tmux-vim-navigator setup
let g:tmux_navigator_no_mappings = 1
nnoremap <silent> <m-h> :TmuxNavigateLeft<cr>
nnoremap <silent> <m-j> :TmuxNavigateDown<cr>
nnoremap <silent> <m-k> :TmuxNavigateUp<cr>
nnoremap <silent> <m-l> :TmuxNavigateRight<cr>
nnoremap <silent> <m-w> :TmuxNavigatePrevious<cr>

"jump to last cursor position when opening a file
"dont do it when writing a commit log entry
autocmd BufReadPost * call SetCursorPosition()
function! SetCursorPosition()
    if &filetype !~ 'svn\|commit\c'
        if line("'\"") > 0 && line("'\"") <= line("$")
            exe "normal! g`\""
            normal! zz
        endif
    else
        call cursor(1,1)
    endif
endfunction

"spell check when writing commit logs
autocmd filetype svn,*commit* setlocal spell

"http://vimcasts.org/episodes/fugitive-vim-browsing-the-git-object-database/
"hacks from above (the url, not jesus) to delete fugitive buffers when we
"leave them - otherwise the buffer list gets poluted
"
"add a mapping on .. to view parent tree
autocmd BufReadPost fugitive://* set bufhidden=delete
autocmd BufReadPost fugitive://*
  \ if fugitive#buffer().type() =~# '^\%(tree\|blob\)$' |
  \   nnoremap <buffer> .. :edit %:h<CR> |
  \ endif


"ruby settings
let g:ruby_indent_access_modifier_style = 'outdent'

"add :Efactory and Eadmin etc for rails
let g:rails_projections = {
    \ "spec/factories/*.rb": {
    \   "command": "factory",
    \   "template":
    \     ["FactoryGirl.define do", "  factory :{} do", "  end", "end"]
    \ },
    \ "app/admin/*.rb": {
    \   "command": "admin",
    \   "template":
    \     ["ActiveAdmin.register {singular|capitalize} do", "end"],
    \ }}

"activate rainbow parens for clojure
autocmd syntax clojure call s:ActivateRainbowParens()
function! s:ActivateRainbowParens() abort
    RainbowParenthesesToggle
    RainbowParenthesesLoadRound
    RainbowParenthesesLoadSquare
    RainbowParenthesesLoadBraces
endfunction

"when copying/pasting from the term into :e from a git diff or rspec or
"similar we edit things like
"
"./app/models/foo.rb:10:in
"
"Save the time of stripping trailing shit and just make this edit and go to
"line 10.
autocmd bufenter * call s:checkForLnum()
function! s:checkForLnum() abort
    let fname = expand("%:f")
    if fname =~ ':\d\+\(:.*\)\?$'
        let lnum = substitute(fname, '^.*:\(\d\+\)\(:.*\)\?$', '\1', '')
        let realFname = substitute(fname, '^\(.*\):\d\+\(:.*\)\?$', '\1', '')
        bwipeout
        exec "edit " . realFname
        doautocmd bufread
        doautocmd bufreadpre
        call cursor(lnum, 1)
    endif
endfunction

"toggle a markdown notes file in a fixed window on the right with f12
nnoremap <F12> :NotesToggle<cr>
command! -nargs=0 NotesToggle call <sid>toggleNotes()
function! s:toggleNotes() abort
    let winnr = bufwinnr("notes.md")
    if winnr > 0
        exec winnr . "wincmd c"
        return
    endif

    botright 100vs notes.md
    setl wfw
    setl nonu

    "hack to make nerdtree et al not split the window
    setl previewwindow

    "for some reason this doesnt get run automatically and the cursor
    "position doesn't get set
    doautocmd bufreadpost %

    normal zMzO
endfunction

"command to filter :scriptnames output by a regex
command! -nargs=1 Scriptnames call <sid>scriptnames(<f-args>)
function! s:scriptnames(re) abort
    redir => scriptnames
        silent scriptnames
    redir END

    let filtered = filter(split(scriptnames, "\n"), "v:val =~ '" . a:re . "'")
    echo join(filtered, "\n")
endfunction