vimrc

" .vimrc

" debian compatibility
runtime! debian.vim

" no vi compatibility
set nocompatible

" vim root directory
set directory=~/.vim

" general options
set nobackup "disable backups
set nowritebackup "disable backups
set noswapfile "disable swapfile
set history=1000 "commands in history
set undolevels=1000 "undo operations
set mouse=a "enable mouse
set wildmenu "command completion
set wildmode=longest,list,full
set backspace=indent,eol,start "backspace behaviour
set wrap "wrap lines
set autowrite "automatically save before :next and :make 
set hidden "hide abandoned buffers, don't close them
"set clipboard=unnamedplus "use system clipboard
"set clipboard=exclude:.* "don't try connecting to X
set pastetoggle=<F2> "enter paste mode
let mapleader=","
let maplocalleader=";"

" interface
set showcmd "show commands
set showmatch "show matching bracket
set ruler "show cursor position
set number "show line numbers
set cursorline "highlight current line
set cmdheight=1 "command line height
set laststatus=2 "always show status line
set showtabline=2 "always show tab line

" tabs and indentation
set tabstop=4
set shiftwidth=4
set noexpandtab
set smarttab
set autoindent
set smartindent
set shiftround

" search
"set hlsearch
set incsearch
set ignorecase
set smartcase
set wrapscan

" syntax highlighting
syntax enable
filetype plugin on
filetype indent on

" folding
set foldmethod=syntax
set nofoldenable

" splits
set splitright
set splitbelow

" theme
set t_Co=256
set background=dark
colorscheme molokai

" custom key mappings
" easier up and down navigation
nnoremap j gj
nnoremap k gk
" open new files
nnoremap <C-w>t :tabnew<Space>
nnoremap <C-w>s :split<Space>
nnoremap <C-w>v :vsplit<Space>
" tab navigation
nnoremap <C-w>n :tabnext<CR>
nnoremap <C-w>p :tabprevious<CR>
nnoremap J :tabnext<CR>
nnoremap K :tabprevious<CR>
" clear highlights wth Ctrl-l
nnoremap <silent> <C-l> :nohlsearch<CR><C-l>
" spell check with F7
nnoremap <silent> <F7> :setlocal spell! spelllang=en_gb<CR>

" vundle configuration
filetype off
set rtp+=~/.vim/bundle/vundle
call vundle#rc()

" plugins
Bundle 'gmarik/vundle'
Bundle 'tpope/vim-sensible'
"Bundle 'tpope/vim-surround'
"Bundle 'tpope/vim-fugitive'
Bundle 'itchyny/lightline.vim'
"Bundle 'scrooloose/nerdtree'
"Bundle 'scrooloose/nerdcommenter'
"Bundle 'kien/ctrlp.vim'
Bundle 'ervandew/supertab'
Bundle 'jcfaria/Vim-R-plugin'
"Bundle 'jalvesaq/screenR'
"Bundle 'LaTeX-Box-Team/LaTeX-Box'
"Bundle 'flazz/vim-colorschemes'
Bundle 'tomasr/molokai'
"Bundle 'junegunn/seoul256.vim'
"Bundle 'trapd00r/neverland-vim-theme'
Bundle 'wikitopian/hardmode'
Bundle 'luochen1990/rainbow'

" Vim-R-plugin configuration
let r_syntax_folding = 1
let vimrplugin_assign = 0
let vimrplugin_vsplit = 0
let vimrplugin_permanent_libs = "base,stats,graphics,grDevices,utils,datasets,methods,reshape2,plyr,dplyr,stringr,ggplot2"

" Rainbow Parentheses Improved configuration
let g:rainbow_active = 1

" advanced stuff
" jump to the last position when reopening a file
"au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
"allows to write read-only wile with :w!!
cnoremap w!! w !sudo tee > /dev/null %