vimrc file

" ============================================================================
" VIMRC file
" --------------------------------------------------
" Developed while learning Vimscript
" at HTTP://learnvimscriptthehardway.stevelosh.com
" ============================================================================

" ============================================================================
" GLOBAL OPTIONS
" ============================================================================
" {{{

" -----------------------------
" ensure Vim settings are used
" -----------------------------
set nocompatible

" ---------------------------
" Map Leader and Local Leader
" ---------------------------
let mapleader = '-'
let maplocalleader = '\\'

" ------------
" Code folding
" ------------
augroup filetype_vim
    autocmd!
    autocmd FileType vim setlocal foldmethod=marker
    autocmd FileType vim :normal! zM
augroup end

" }}}
" ============================================================================
" FORMATTING OPTIONS
" ============================================================================
" {{{

" ---------------------
" Colors and formatting
" ---------------------
colorscheme badwolf
"-- ensure background consistency
"-- when scrolling in a terminal
set t_ut=

" ------------------
" Set line numbering
" ------------------
set number numberwidth=4
set relativenumber

" -----------------------
" Line-control mechanisms
" -----------------------
set nowrap

" ---------------------
" Tab stops and spacing
" ---------------------
set tabstop=4
set softtabstop=4
set shiftwidth=4
set expandtab

" }}}
" ============================================================================
" MAPPINGS AND COMMANDS
" ============================================================================
" {{{

" -------------------
" Custom key mappings
" -------------------

" -- normal mode mappings
" -----------------------
" {{{
" - word at cursor position to uppercase
nnoremap <leader>u viwU

" - quick configuration file editing
nnoremap <leader>ev :vsplit $MYVIMRC<cr>
nnoremap <leader>sv :source $MYVIMRC<cr>:echo $MYVIMRC "sourced"<cr>

" - shortcut to toggle highlighting after a search
nnoremap <leader>hh :set hlsearch!<cr>

" - highlight trailing white space and line end
"   with Error color pattern
nnoremap <leader>w :match Error /\v\s+$/<cr>

" - open or close quick fix window
" {{{
nnoremap <leader>q :call QuickfixToggle()<cr>

" -- set variable and close quick fix window
let g:quickfix_is_open = 0
cclose

" -- quick fix toggle function
function! QuickfixToggle()
    if g:quickfix_is_open
        cclose
        let g:quickfix_is_open = 0
        execute g:quickfix_return_to_window . "wincmd w"
    else
        let g:quickfix_return_to_window = winnr()
        copen
        let g:quickfix_is_open = 1
    endif
endfunction
" }}}

" - move to next and previous results in quick fix window
nnoremap cn :cnext<cr>
nnoremap cp :cprevious<cr>

" - toggle cursor line highlighting
" -- cursor line highlighting
nnoremap <leader>cl :set cursorline!<cr>

" }}}

" -- visual mode mappings
" -----------------------
" {{{


" }}}

" -- insert mode mappings
" -----------------------
" {{{
" }}}

" -------------
" Abbreviations
" -------------

" }}}
" ============================================================================
" OTHER CONFIGURATION OPTIONS
" ============================================================================
" {{{

" ------------------
" Enable visual menu
" ------------------
set wildmenu

" --------------------
" Show matching [{()}]
" --------------------
set showmatch

" ------------
" Code folding
" ------------
set foldenable
set foldlevelstart=10
set foldnestmax=10
set foldmethod=indent

" --------------
" Syntax options
" --------------

" -- highlighting on
syntax enable

" -- filetype indent on
filetype indent on

" --------------
" Search options
" --------------
" -- highlight search
set hlsearch
" -- incremental search
set incsearch

" --------------
" Spell checking
" --------------
set spell spelllang=en_us

" ----------------
" show status line
" ----------------
set laststatus=2

" ---------------------
" customize status line
" ---------------------
set statusline =%-30.30t
set statusline+=%#StatusLineNC#
set statusline+=\ %y\ %r
set statusline+=%=
set statusline+=%m
set statusline+=\ %c,%l
set statusline+=\ [%L]