My .vimrc

vimrc

syntax enable
set number
set textwidth=77
set dir=~/Downloads/
set spellfile=~/.vim/spellfile.add
set nohidden
"" maximum number of tab opened
set tabpagemax=30
set fileformats=unix
" set spell
" set sessionoptions=sesdir,folds,help,tabpages,winsize,options,globals
"" enable filetype plugin
filetype plugin on

"set cindent
"set smartindent
"set autoindent

""
"" fold script by syntax
""
"set foldmethod=syntax
"set foldlevelstart=0
"set foldlevel=0
"let javaScript_fold=1         " JavaScript
"let perl_fold=1               " Perl
"let php_folding=1             " PHP
"let r_syntax_folding=1        " R
"let ruby_fold=1               " Ruby
"let sh_fold_enabled=1         " sh
"let vimsyn_folding='af'       " Vim script
"let xml_syntax_folding=1      " XML

set background=dark
highlight clear
if exists("syntax_on")
	syntax reset
endif

"" disable swap
"set nobackup
"set nowritebackup
"set noswapfile

"" highlight current tab.
highlight TabLineSel ctermbg=7 ctermfg=0
highlight OverLength ctermbg=red ctermfg=white guibg=#592929
highlight SpecialKey ctermfg=9
match OverLength /\%80v.*/

"" highlight trailing white space
highlight ExtraWhitespace ctermbg=darkgreen guibg=darkgreen
match ExtraWhitespace /\s\+$\| \+\ze\t/

"" show spaces for indenting
highlight NotTab ctermbg=darkgreen guibg=darkgreen
match NotTab /^\t*\zs \+/

"" ALT-right-arrow : switch to the next tab.
map				:tabnext<cr>
map!				<esc>:tabnext<cr><insert>

"" ALT-left-arrow : switch to the previous tab.
map				:tabprevious<cr>
map!				<esc>:tabprevious<cr><insert>

"" CTRL-\: move cursor or go to next window
map				:wincmd w<cr>
map!				<esc>:wincmd w<cr><insert>

"" CTRL-n: open a new tab
map				:tabedit 
map!				<esc>:tabedit 

"" CTRL-l : split window vertically.
map				:vsplit 
map!				<esc>:vsplit 

"" CTRL-s : save current buffer.
map				:w<cr>
map!				<esc>:w<cr>

"" allow inserting TAB on ESC mode.
map		<Tab>		<insert><tab><esc>

"" F1 : list all session.
map		<F1>		:SessionList<cr>
map!		<F1>		<esc>:SessionList<cr>

"" F12 : close session and exit vim.
map		<F12>		:wqa<cr>
map!		<F12>		<esc>:wqa<cr>


function MoveTabLeft()
  let curtab = tabpagenr() - 2

  if curtab >= 0
    echo 'move to tab '.curtab
    execute 'tabmove' curtab
  endif
endfunction

function MoveTabRight()
  let curtab = tabpagenr()
  echo 'move to tab '.curtab
  execute 'tabmove' curtab
endfunction

"" CTRL + page-up: move tab to the left
map		[5;5~		<esc>:call MoveTabLeft()<cr>
map!		[5;5~		<esc>:tabmove MoveTabLeft()<cr>

"" CTRL + page-down: move tab to the right
map		[6;5~		<esc>:call MoveTabRight()<cr>
map!		[6;5~		<esc>:tabmove MoveTabRight()<cr>


"" Highlight whitespace problems.
"" flags is '' to clear highlighting, or is a string to
"" specify what to highlight (one or more characters):
""   e  whitespace at end of line
""   i  spaces used for indenting
""   s  spaces before a tab
""   t  tabs not at start of line
function! ShowWhitespace(flags)
	let bad = ''
	let pat = []
	for c in split(a:flags, '\zs')
		if c == 'e'
			call add(pat, '\s\+$')
		elseif c == 'i'
			call add(pat, '^\t*\zs \+')
		elseif c == 's'
			call add(pat, ' \+\ze\t')
		elseif c == 't'
			call add(pat, '[^\t]\zs\t\+')
		else
			let bad .= c
		endif
	endfor
	if len(pat) > 0
		let s = join(pat, '\|')
		exec 'syntax match ExtraWhitespace "'.s.'" containedin=ALL'
	else
		syntax clear ExtraWhitespace
	endif
	if len(bad) > 0
		echo 'ShowWhitespace ignored: '.bad
	endif
endfunction

function! ToggleShowWhitespace()
	if !exists('b:ws_show')
		let b:ws_show = 0
	endif
	if !exists('b:ws_flags')
		let b:ws_flags = 'eist'  " default (which whitespace to show)
	endif
	let b:ws_show = !b:ws_show
	if b:ws_show
		call ShowWhitespace(b:ws_flags)
	else
		call ShowWhitespace('')
	endif
endfunction

nnoremap <Leader>ws :call ToggleShowWhitespace()<CR>
highlight ExtraWhitespace ctermbg=darkgreen guibg=darkgreen

"" set line number color
highlight LineNr term=bold cterm=NONE ctermfg=DarkGrey ctermbg=NONE gui=NONE guifg=DarkGrey guibg=NONE

"
" NERDTree shorcut
"
map <F2> :NERDTreeToggle \| :silent NERDTreeMirror<CR>

"
" Custom tab and shiftwidth for specific file
"
autocmd FileType html
  \ setlocal shiftwidth=4 |
  \ setlocal tabstop=4
autocmd FileType jsp
  \ setlocal shiftwidth=4 |
  \ setlocal tabstop=4
autocmd FileType js
  \ setlocal shiftwidth=4 |
  \ setlocal tabstop=4
autocmd FileType javascript
  \ setlocal shiftwidth=4 |
  \ setlocal tabstop=4
autocmd FileType sql
  \ setlocal shiftwidth=4 |
  \ setlocal tabstop=4
autocmd FileType css
  \ setlocal shiftwidth=4 |
  \ setlocal tabstop=4

"" gvim
if has('gui_running')
	colorscheme desert
	set guifont=Terminus\ 8
endif