.vimrc

" Modeline and Notes {
" Heavily inspired by spf13-vim.
" }

" Environment {

    " Identify platform {
        silent function! OSX()
            return has('macunix')
        endfunction
        silent function! LINUX()
            return has('unix') && !has('macunix') && !has('win32unix')
        endfunction
        silent function! WINDOWS()
            return  (has('win32') || has('win64'))
        endfunction
    " }

    " Basics {
        set nocompatible        " Must be first line
        if !WINDOWS()
            set shell=/bin/sh
        endif
    " }

    " Windows Compatible {
        " On Windows, also use '.vim' instead of 'vimfiles'; this makes synchronization
        " across (heterogeneous) systems easier.
        if WINDOWS()
          set runtimepath=$HOME/.vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,$HOME/.vim/after
        endif
    " }
    
    " Arrow Key Fix {
        " https://github.com/spf13/spf13-vim/issues/780
        if &term[:4] == "xterm" || &term[:5] == 'screen' || &term[:3] == 'rxvt'
            inoremap <silent> <C-[>OC <RIGHT>
        endif
    " }

" }

" General {

    execute pathogen#infect()
    set background=dark         " Assume a dark background

    filetype plugin indent on   " Automatically detect file types.
    syntax on                   " Syntax highlighting
    set mouse=a                 " Automatically enable mouse usage
    set mousehide               " Hide the mouse cursor while typing
    set fileformat=unix         " Determine line ending characters in unix format
    set encoding=utf-8
    "scriptencoding utf-8

    if has('clipboard')
        if has('unnamedplus')  " When possible use + register for copy-paste
            set clipboard=unnamed,unnamedplus
        else         " On mac and Windows, use * register for copy-paste
            set clipboard=unnamed
        endif
    endif

    "set autowrite                       " Automatically write a file when leaving a modified buffer
    "set shortmess+=filmnrxoOtT          " Abbrev. of messages (avoids 'hit enter')
    "set viewoptions=folds,options,cursor,unix,slash " Better Unix / Windows compatibility
    "set virtualedit=onemore             " Allow for cursor beyond last character
    "set history=1000                    " Store a ton of history (default is 20)
    "set spell                           " Spell checking on
    "set hidden                          " Allow buffer switching without saving
    "set iskeyword-=.                    " '.' is an end of word designator
    "set iskeyword-=#                    " '#' is an end of word designator
    "set iskeyword-=-                    " '-' is an end of word designator
    set visualbell                      " vim will flash screen instead of sounding a beep
    
    au BufRead,BufNewFile Vagrantfile set filetype=ruby     " set vagrant syntax highlight like ruby

" }

" Vim UI {

    color solarized                 " Load a colorscheme

    set tabpagemax=15               " Only show 15 tabs
    set showmode                    " Display the current mode

    set cursorline                  " Highlight current line

    highlight clear SignColumn      " SignColumn should match background
    highlight clear LineNr          " Current line number row will have same background color in relative mode
    "highlight clear CursorLineNr    " Remove highlight color from current line number

    if has('cmdline_info')
        set ruler                   " Show the ruler
        "set rulerformat=%30(%=\:b%n%y%m%r%w\ %l,%c%V\ %P%) " A ruler on steroids
        "set showcmd                 " Show partial commands in status line and
                                    " Selected characters/lines in visual mode
    endif

    if has('statusline')
        set laststatus=2

        " Broken down into easily includeable segments
        "set statusline=%<%f\                     " Filename
        "set statusline+=%w%h%m%r                 " Options
        "if !exists('g:override_spf13_bundles')
        "    set statusline+=%{fugitive#statusline()} " Git Hotness
        "endif
        "set statusline+=\ [%{&ff}/%Y]            " Filetype
        "set statusline+=\ [%{getcwd()}]          " Current dir
        "set statusline+=%=%-14.(%l,%c%V%)\ %p%%  " Right aligned file nav info
    endif

    set backspace=indent,eol,start  " Backspace for dummies
    set linespace=0                 " No extra spaces between rows
    set number                      " Line numbers on
    set showmatch                   " Show matching brackets/parenthesis
    set incsearch                   " Find as you type search
    set hlsearch                    " Highlight search terms
    "set winminheight=0              " Windows can be 0 line high
    set ignorecase                  " Case insensitive search
    set smartcase                   " Case sensitive when uc present
    set wildmenu                    " Show list instead of just completing in command-line on pressing wildchar
    "set wildmode=list:longest,full  " Command <Tab> completion, list matches, then longest common part, then all.
    "set whichwrap=b,s,h,l,<,>,[,]   " Backspace and cursor keys wrap too
    "set scrolljump=5                " Lines to scroll when cursor leaves screen
    "set scrolloff=3                 " Minimum lines to keep above and below cursor
    set nofoldenable                 " Disable fold code
    "set list
    "set listchars=tab:›\ ,trail:•,extends:#,nbsp:. " Highlight problematic whitespace

" }

" Formatting {

    set nowrap                      " Do not wrap long lines
    set autoindent                  " Indent at the same level of the previous line
    set smartindent                 " Add one extra level of indentation in some cases
    set shiftwidth=4                " Number of spaces in reindent operations
    set expandtab                   " Tabs are spaces, not tabs
    set tabstop=4                   " Number of visual spaces per tab
    set softtabstop=4               " Number of spaces per tab in insert mode
    set nojoinspaces                " Prevents inserting two spaces after punctuation on a join (J)
    set splitright                  " Puts new vsplit windows to the right of the current
    set splitbelow                  " Puts new split windows to the bottom of the current
    "set matchpairs+=<:>             " Match, to be used with %
    "set pastetoggle=<F12>           " pastetoggle (sane indentation on pastes)
    "set comments=sl:/*,mb:*,elx:*/  " auto format comment blocks
    " Remove trailing whitespaces and ^M chars
    " To disable the stripping of whitespace, add the following to your
    " .vimrc.before.local file:
    "   let g:spf13_keep_trailing_whitespace = 1
    "autocmd FileType c,cpp,java,go,php,javascript,puppet,python,rust,twig,xml,yml,perl,sql autocmd BufWritePre <buffer> if !exists('g:spf13_keep_trailing_whitespace') | call StripTrailingWhitespace() | endif
    "autocmd FileType go autocmd BufWritePre <buffer> Fmt
    "autocmd BufNewFile,BufRead *.html.twig set filetype=html.twig
    "autocmd FileType haskell,puppet,ruby,yml setlocal expandtab shiftwidth=2 softtabstop=2
    " preceding line best in a plugin but here for now.

    "autocmd BufNewFile,BufRead *.coffee set filetype=coffee

    " Workaround vim-commentary for Haskell
    "autocmd FileType haskell setlocal commentstring=--\ %s
    " Workaround broken colour highlighting in Haskell
    "autocmd FileType haskell,rust setlocal nospell

" }

" Key (re)Mappings {

    " remap window switch keyboard shortcuts
    nnoremap <C-J> <C-W><C-J>
    nnoremap <C-K> <C-W><C-K>
    nnoremap <C-L> <C-W><C-L>
    nnoremap <C-H> <C-W><C-H>

" }

" Plugins {

    " NerdTree {
        " close vim when NERDTree is the last window
        autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif

        " use ctrl+n to toggle NERDTree
        map <C-n> :NERDTreeToggle<CR> 

        let NERDTreeIgnore=['\.py[cd]$', '\~$', '\.swo$', '\.swp$', '^\.git$', '^\.hg$', '^\.svn$', '\.bzr$']
        "let NERDTreeChDirMode=0
        "let NERDTreeQuitOnOpen=1
        "let NERDTreeMouseMode=2
        let NERDTreeShowHidden=1
        "let NERDTreeKeepTreeInNewTab=1
        "let g:nerdtree_tabs_open_on_gui_startup=0
    " }

" }

" GUI Settings {

    " GVIM- (here instead of .gvimrc)
    if has('gui_running')
        set guioptions-=T           " remove the toolbar
        set guioptions-=m           " remove GUI menu
        set guioptions=-L           " remove left scrollbar
        set guioptions=-r           " remove right scrollbar
        set lines=40                " 40 lines of text instead of 24

        if LINUX() && has("gui_running")
            set guifont=Andale\ Mono\ Regular\ 12,Menlo\ Regular\ 11,Consolas\ Regular\ 12,Courier\ New\ Regular\ 14
        elseif OSX() && has("gui_running")
            set guifont=Andale\ Mono\ Regular:h12,Menlo\ Regular:h11,Consolas\ Regular:h12,Courier\ New\ Regular:h14
        elseif WINDOWS() && has("gui_running")
            set guifont=Andale_Mono:h11,Menlo:h11,Consolas:h11,Courier_New:h11
        endif
    else
        if &term == 'xterm' || &term == 'screen'
            set t_Co=256            " Enable 256 colors to stop the CSApprox warning and make xterm vim shine
        endif
        "set term=builtin_ansi       " Make arrow and other keys work
    endif

" }