vimrc

"===============================================================================
"= Set system runtime
"===============================================================================
if has('win32') || has('win64') || has('win16')
	" Windows(GVIM) system runtime startup code
	source $VIMRUNTIME/vimrc_example.vim
	set nobackup		" Disable creating backup files
	set noundofile		" Disable creating undo files
	behave xterm
else
	try
		let os_str = substitute(system('uname'), '\n', '', '')
	catch
		let os_str = 'Unknown'
	endtry
	if has('mac') || os_str == 'Darwin'
		"MacOS system runtime startup code
		set modelines=0		" CVE-2007-2438
		set nocompatible	" Use Vim defaults instead of 100% vi compatibility
		set backspace=2		" More powerful backspacing
		" Don't write backup file if vim is being called by "crontab -e"
		au BufWrite /private/tmp/crontab.* set nowritebackup nobackup
		" Don't write backup file if vim is being called by "chpass"
		au BufWrite /private/etc/pw.* set nowritebackup nobackup
		let skip_defaults_vim=1
	elseif has('linux') || os_str == 'Linux'
		runtime! debian.vim
		" TODO: Write linux system runtime startup code for other distro
	elseif has('unix')
		" TODO: Write unix system runtime startup code
	endif
	unlet os_str
endif

if !has('ide')
"===============================================================================
"= Enable syntax highlight
"===============================================================================
if has("syntax")
	syntax on
endif

"===============================================================================
"= Plugin configuration (load if available)
"===============================================================================
let plugin_path = $HOME . "/.vim/plugins.vim"
if filereadable(plugin_path)
	execute 'source ' . plugin_path
endif
unlet plugin_path

"===============================================================================
"= Source a global configuration if available
"===============================================================================
if filereadable("/etc/vim/vimrc.local")
	source /etc/vim/vimrc.local
endif

"===============================================================================
"= set gui related configurations
"===============================================================================
if has("gui_running")
	set guioptions-=T		" remove toolbar from gvim
	set guioptions-=l		" Do not display left scrollbar on general
	set guioptions-=L		" Do not display left scrollbar even necessary
	set guioptions-=r		" Do not display right scrollbar on general
	set guioptions-=R		" Do not display right scrollbar even necessary
	set lines=40			" 40 lines of text instead of 24
	if has("gui_win32")
		set guifont=D2Coding:h10:cANSI
	elseif has("gui_macvim")
		set guifont=D2Coding:h14 "YOUR FONT
	endif
else
	if &term == 'xterm' || &term == 'screen'
		set t_Co=256		"Enable 256 colors
	endif
endif

"===============================================================================
"= Set colorscheme
"===============================================================================
let color_use = "PaperColor"
try
	set background=dark
	execute 'colorscheme ' . color_use
catch
	" When the colorscheme doesn't exist, try use default skin
	execute 'colorscheme pablo'
endtry
unlet color_use

endif "!has("ide")

"===============================================================================
"= Key mapping (Move window with Ctrl + hjkl)
"===============================================================================
nmap <c-h> <c-w>h
nmap <c-j> <c-w>j
nmap <c-k> <c-w>k
nmap <c-l> <c-w>l

"===============================================================================
"= Key mapping (Resize window with Shift + <>+)
"===============================================================================
nmap <s-h> <c-w><
nmap <s-j> <c-w>-
nmap <s-k> <c-w>+
nmap <s-l> <c-w>>

"===============================================================================
"= Default configuration (view)
"===============================================================================
set ruler			" Show line number and its column
set number			" Show line number indicator on left
set showmatch		" Show matching pair bracket
set laststatus=2	" Show status bar at bottom
set cursorline		" Highlight current line

"===============================================================================
"= Default configuration (edit)
"===============================================================================
set tabstop=4		" Set tab width to 4 spaces
set shiftwidth=4	" Set indent width to 4 spaces
set autoindent		" Auto indent
set smartindent		" Smart indent
set encoding=utf-8	" Set default encoding to UTF-8

"===============================================================================
"= Default configuration (search)
"===============================================================================
set hlsearch		" Highlight search
set smartcase		" Search smart case option