my_vimrc

" check if vundle is installed
let vundle_readme=expand('~/.vim/bundle/Vundle.vim/README.md')
if !filereadable(vundle_readme)
    if !executable("git")
        let Msg="Install the git in order to install Vundle!"
        echohl WarningMsg | echo Msg | echohl None
        echo ""
        echo "Press any key to exit..."
        let c = getchar()
        :quit
    endif
    echo "Installing Vundle.."
    echo ""
    silent !mkdir -p ~/.vim/bundle
    " put the escaping \ at the beginning of the line
    " see :help line-continuation
    silent !git clone
        \ https://github.com/VundleVim/Vundle.vim.git ~/.vim/bundle/Vundle.vim
endif


set shell=bash
set nocompatible    " be iMproved, required
filetype off        " required

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" PluginList
Plugin 'VundleVim/Vundle.vim' " let Vundle manage Vundle, required
Plugin 'scrooloose/nerdtree'
Plugin 'Xuyuanp/nerdtree-git-plugin'
Plugin 'taglist.vim'
Plugin 'Rip-Rip/clang_complete'
Plugin 'tomtom/tcomment_vim'
Plugin 'mhinz/vim-startify'
Plugin 'scrooloose/syntastic'
Plugin 'wincent/command-t'

" ColorScheme
Plugin 'ScrollColors'
Plugin 'jnurmine/Zenburn'
Plugin '256-grayvim'
" Plugin 'altercation/vim-colors-solarized'
" Plugin 'chriskempson/base16-vim'
" Plugin 'freya'
" Plugin 'tomasr/molokai'
" Plugin 'Colour-Sampler-Pack'
" Plugin 'mimicpak'
" ColorScheme

" Syntax Highlight
Plugin 'brgmnn/vim-opencl'
Plugin 'neovimhaskell/haskell-vim'
Plugin 'derekwyatt/vim-scala'
" Syntax Highlight

" Other plugins
" eagletmt/ghcmod-vim requires vimproc.vim
" Plugin 'Shougo/vimproc.vim'
" Plugin 'eagletmt/ghcmod-vim'
" let g:ghcmod_ghc_options = ['-XDataKinds']
"
" Plugin 'godlygeek/tabular'
" Plugin 'plasticboy/vim-markdown'
" Other plugins



" Option for every plugin

" NERDTree
" <F5> The NERD Tree
let NERDTreeWinPos='left'
let NERDTreeWinSize=40
let NERDTreeChDirMode=1
map <F5> :NERDTreeToggle<CR>
autocmd bufenter * call s:CloseVimIfOnlyNERDTreeLeft()
function! s:CloseVimIfOnlyNERDTreeLeft()
	if winnr("$") == 1
            \ && exists("b:NERDTreeType")
            \ && b:NERDTreeType == "primary"
		quit
	endif
endfunction
" NERDTree

" Taglist
" <F3> Taglist
let Tlist_Auto_Open = 0
let Tlist_Auto_Update = 1
let Tlist_Exit_OnlyWindow = 1
let Tlist_Compact_Format = 1
let Tlist_GainFocus_On_ToggleOpen = 1
map <silent> <F3> :TlistToggle<CR>
" Taglist

" clang_complete
" g:clang_use_library: Default 1
let g:clang_complete_copen=1
let g:clang_hl_errors=1
" g:clang_periodic_quickfix: Do g:ClangUpdateQuickFix() periodically
let g:clang_periodic_quickfix=0
let g:clang_snippets=1
" g:clang_snippets_engine: Default is clang_complete
let g:clang_user_options='-std=c++11'
nnoremap <Leader>q :call g:ClangUpdateQuickFix()<CR>
" clang_complete

" syntastic
" :SyntasticInfo for giving some useful information
let g:syntastic_cpp_compiler = 'clang++'
let g:syntastic_cpp_compiler_options = '-std=c++11'

let g:syntastic_c_compiler = 'clang'
let g:syntastic_c_clang_check_args = '-std=c11'

let g:syntastic_python_python_exe = 'python3'
let g:syntastic_python_checkers = ['python3-flake8']
let g:syntastic_check_on_wq = 1
" syntastic

" command-t
if !has('ruby')
    let Msg="The Ruby interface ruby doesn't support. The command-t is disable."
    echohl WarningMsg | echo Msg | echohl None
else
    " check if ruby works
    silent execute 'ruby puts "#{RUBY_VERSION}-p#{RUBY_PATCHLEVEL}"'
    if !filereadable(expand('~/.vim/bundle/command-t/ruby/command-t/ext.so'))
        let Msg="See *command-t-compile* to compile command-t"
        echohl WarningMsg | echo Msg | echohl None
        echo ""
        echo "Press any key to continue..."
        let c = getchar()
    endif
endif
" command-t
" Keep Plugin commands between vundle#begin/end.
" All of your Plugins must be added before the following line
call vundle#end()
filetype plugin indent on    " required
"
" Brief help
" :PluginList       - lists configured plugins
" :PluginInstall    - installs plugins; append `!` to update or just
"                     :PluginUpdate
" :PluginSearch foo - searches for foo; append `!` to refresh local cache
" :PluginClean      - confirms removal of unused plugins;
"                     append `!` to auto-approve removal
"
" see :h vundle for more details or wiki for FAQ
" Put your non-Plugin stuff after this line

syntax on
" See Also: http://vim.wikia.com/wiki/Working_with_Unicode
" **VIM set encoding and fileencoding utf-8** @ Stackoverflow
if has("multi_byte")
    if &termencoding == ""
        let &termencoding = &encoding
    endif
    set encoding=utf-8
    setglobal fileencoding=utf-8
    set fileencodings=ucs-bom,utf-8,big5,gbk,latin1
endif

" General Settings
set t_Co=256
set bg=dark
silent! colorscheme desert "256-grayvim
set colorcolumn=80

" http://vim.wikia.com/wiki/Remove_unwanted_spaces
" <F2>: Remove unwanted spaces
:nnoremap <silent> <F2> :let _s=@/<Bar>:%s/\s\+$//e<Bar>:let @/=_s<Bar>:nohl<CR>

" expandtab: insert space characters whenever the tab key is pressed
set expandtab

" the # of space characters that will be inserted when the tab key is pressed
set tabstop=4

" A tab produces a 4-space indentation
"
" Number of spaces that a <Tab> counts for while performing editing
" operations, like inserting a <Tab> or using <BS>.
set softtabstop=4

" shiftwidth: change the number of space characters inserted for indentation
set shiftwidth=4
set fdm=syntax
set ai
set nu
set hlsearch
set sessionoptions-=curdir
set sessionoptions+=sesdir
set showcmd
set autoread
set ruler
set wildmenu
set showmatch
set completeopt=menu,longest

au BufNewFile,BufFilePre,BufRead *.tex setlocal spell spelllang=en_us

au BufNewFile,BufFilePre,BufRead *.md set filetype=markdown
autocmd Filetype gitcommit setlocal spell textwidth=72

" tabline & statusline
" See also: http://vim.wikia.com/wiki/Show_tab_number_in_your_tab_line
" https://github.com/mkitt/tabline.vim
set tabline=%!MyTabLine()

function! Tabline()
    let s = ''
    for i in range(tabpagenr('$'))
        let tab = i + 1
        let winnr = tabpagewinnr(tab)
        let buflist = tabpagebuflist(tab)
        let bufnr = buflist[winnr - 1]
        let bufname = bufname(bufnr)
        let bufmodified = getbufvar(bufnr, "&mod")

        let s .= '%' . tab . 'T'
        let s .= (tab == tabpagenr() ? '%#TabLineSel#' : '%#TabLine#')
        let s .= ' ' . tab .':'
        let s .= (bufname != '' ? ' '. fnamemodify(bufname, ':t') . ' ' : '[No Name] ')

        if bufmodified
            let s .= '[+] '
        endif
    endfor

    let s .= '%#TabLineFill#'
    return s
endfunction
set tabline=%!Tabline()
set laststatus=2
set statusline=[%n]\ %<%F\ \ \ [%M%R%H%W%Y][%{&ff}]\ \ %=\ line:%l/%L\ col:%c\ \ \ %p%%
" tabline & statusline

" ctags
" ;~ suffix directs vim to do an upward search from the directory containing
" tags up to the stop directory, in this case ~.
" See also: http://goo.gl/m4GSF3, http://goo.gl/dV7kqj
" set tags=./tags,tags
"
" the dot concatenates the two strings
" for a in split(glob('/home/phi/vim-ctags/*'), '\n')
"     exe 'set tags+=' . a
" endfor
" ctags

" auto reload .vimrc
augroup reload_vimrc " {
    autocmd!
    autocmd BufWritePost $MYVIMRC source $MYVIMRC
augroup END " }

" The following are taken from llvm/utils/vim
"
"===== LLVM coding guidelines conformance for VIM =====
" $Revision: 176235 $

" LLVM Makefiles can have names such as Makefile.rules or TEST.nightly.Makefile,
" so it's important to categorize them as such.
augroup filetype
  au! BufRead,BufNewFile *Makefile* set filetype=make
augroup END

" In Makefiles, don't expand tabs to spaces, since we need the actual tabs
autocmd FileType make set noexpandtab

" Enable syntax highlighting for LLVM files. To use, copy
" utils/vim/llvm.vim to ~/.vim/syntax .
augroup filetype
  au! BufRead,BufNewFile *.ll     set filetype=llvm
augroup END

" Enable syntax highlighting for tablegen files. To use, copy
" utils/vim/tablegen.vim to ~/.vim/syntax .
augroup filetype
  au! BufRead,BufNewFile *.td     set filetype=tablegen
augroup END

" Enable syntax highlighting for reStructuredText files. To use, copy
" rest.vim (http://www.vim.org/scripts/script.php?script_id=973)
" to ~/.vim/syntax .
augroup filetype
 au! BufRead,BufNewFile *.rst     set filetype=rest
augroup END

"===== End LLVM coding guidelines conformance for VIM =====