dotfiles / vim / vimrc

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" Make Vim behave in a more useful way
set nocompatible
call pathogen#infect()

" File Type
" =========

" Detect the type of file
filetype on
" Load filetype plugins
filetype plugin on
" Load indent files for specific filetypes
filetype indent on

" Encoding
" ========

" Encoding used for the terminal
set termencoding=utf-8
" The character encoding used inside Vim
set encoding=utf-8
" A list of character encodings considered when starting to edit
" an existing file
set fileencodings=utf-8,cp1251
" Prefer unix over windows over mac formats
set fileformats=unix,dos,mac

" Backups
" =======

" Switch off automatic creation of backup files
set nobackup
" Do not make a backup before overwriting a file
set nowritebackup
" Do not use a swapfile for the buffer.
set noswapfile

" Behavior
" ========

" Automatically save before commands like :next and :make
set autowrite
" Hide buffers when they are abandoned
set hidden
" Enable mouse usage (all modes)
set mouse=a
" make backspace work normal (indent, eol, start)
set backspace=2
" shortens messages to avoid 'press a key' prompt
set shortmess=atI
" don't bell or blink
set noerrorbells
set vb t_vb=

" Look
" ====

" The title of the window
set title
" Show the line and column number of the cursor position
set ruler
" Show (partial) command in status line.
set showcmd
" Maximum width of text that is being inserted. A longer line will be
" broken after white space to get this width.
set textwidth=65
" Turn on line numbers
set number
" Show matching brackets
set showmatch
" how many tenths of a second to blink matching
set matchtime=2
" Improves smoothness of redrawing
set ttyfast
" Do not redraw while running macros
set nolazyredraw
" Minimal number of screen lines to keep above
" and below the cursor.
set scrolloff=0
" Lines will not wrap and only part of long lines will be displayed
set nowrap

" Colors
" ======

" Enable syntax highlighting
syntax on
" number of colors
set t_Co=256
" Load color scheme:
let g:aldmeris_termcolors = "tango"
let g:aldmeris_transparent = 1
colorscheme aldmeris

" Tabs
" ====

" How automatic formatting is to be done
set formatoptions=qrn1
" Convert tabs to spaces
set expandtab
" Tabs = 4 spaces
set smarttab
set tabstop=4
" Indent/outdent 4 spaces
set shiftwidth=4
" Take indent for new line from previous line
set autoindent
" Smart autoindenting
set smarttab
" Number of spaces that a <Tab> counts for while performing editing
" operations
set softtabstop=4
" Number of spaces that a <Tab> in the file counts for
set tabstop=4

" Search
" ======

" Do case insensitive matching
set ignorecase
" Do smart case matching
set smartcase
" Incremental search
set incsearch
" Highlight search
set hlsearch
" All matches in a line are substituted instead of one
set gdefault

" Keys Mapping
" ============

" Sets leader to ',' and localleader to "\"
let mapleader=","
let maplocalleader="\\"

" Yank to the end of line
nnoremap Y y$

" Use Ctrl+S to save file is edit and command modes
inoremap <c-s> <c-o>:w<cr>
nnoremap <c-s> :w<cr>

" Clear highlighted search result
nnoremap <leader><space> :nohlsearch<cr>

" Visual shifting
vnoremap < <gv
vnoremap > >gv

" Turning off auto indent when pasting text into vim
set pastetoggle=<F8>

" Folding
" =======

" zM - fold everything
" zR - unfold everything
" za - toggle the current fold
" zA - recursively toggle the current fold
" zo - open
" zc - close
" zf - selection
set foldmethod=manual
set nofoldenable

" Completion
" ==========

" Invoke completion CTRL-P/CTRL-N
set wildmenu
" A file that matches with one of these patterns is ignored when 
" completing file or directory names
set wildignore=*.o,*.pyc,*.jpg,*.jpeg,*.png,*.gif
" When more than one match, list all matches and complete first match
set wildmode=list:full

" Miscellaneous
" =============

" No drawing underlines in HTML
let html_no_rendering=1

if has("autocmd")
    " Useful to align text
    autocmd FileType python,javascript,c setlocal colorcolumn=79
    " syntax highlight syncing from start
    autocmd BufEnter * :syntax sync fromstart

    " Remove any trailing whitespace that is in the file
    autocmd BufRead,BufWrite * if ! &bin | silent! %s/\s\+$//ge | endif

    " Jump to the last position when reopening a file
    autocmd BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$")
        \ | exe "normal! g'\"" | endif       

" NERDTree
" ========

" Shorter commands to toggle NERDTree display
nnoremap <leader>t :NERDTreeToggle<CR>
" This option is used to specify which files the NERD tree
" should ignore.  It must be a list of regular expressions.
let NERDTreeIgnore=['\.pyc$', '\.egg-info$', '\.pyo$', '\.gz$', '\.zip$',
    \ '^__pycache__$', '\.o$', '\.mo$', '^build$', '^dist$', '^env$']