gassavimrc

" vimrc file, Gassa Yan

set nocompatible                   "Use vim defaults

filetype off
set rtp+=~/.vim/bundle/Vundle.vim "set runtimepath

"====================== Vundle plugins ========================================
call vundle#begin()

Plugin 'gmarik/Vundle.vim'
"uber awesome syntax and errors highlighter
Plugin 'Syntastic' 
"aireline theme
Plugin 'vim-airline/vim-airline'
Plugin 'vim-airline/vim-airline-themes'
Plugin 'bling/vim-bufferline'
Plugin 'LaTeX-Box-Team/LaTeX-Box'
Plugin 'kien/ctrlp.vim'
Plugin 'scrooloose/syntastic'
Plugin 'Tabular'
Plugin 'taglist.vim'

if filereadable(expand('~/.vim/bundle/vimrc/plugins.vim'))
  source ~/.vim/bundle/vimrc/plugins.vim
endif

call vundle#end()

filetype plugin indent on

" 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; 
" :PluginClean!     - append `!` to auto-approve removal

"====================== Vim Airline theme =====================================
let &t_Co=256
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#left_sep = ' '
let g:airline#extensions#tabline#left_alt_sep = '|'
let g:airline#extensions#syntastic#enabled = 1
"let g:airline_theme='molokai'

" Enable aireline theme symbols
if !exists('g:airline_symbols')
  let g:airline_symbols = {}
endif

" unicode symbols
let g:airline_left_sep = '»'
let g:airline_left_sep = '▶'
let g:airline_right_sep = '«'
let g:airline_right_sep = '◀'
let g:airline_symbols.crypt = '🔒'
let g:airline_symbols.linenr = '␊'
let g:airline_symbols.linenr = '␤'
let g:airline_symbols.linenr = '¶'
let g:airline_symbols.branch = '⎇'
let g:airline_symbols.paste = 'ρ'
let g:airline_symbols.paste = 'Þ'
let g:airline_symbols.paste = '∥'
let g:airline_symbols.notexists = '∄'
let g:airline_symbols.whitespace = 'Ξ'

" display airline status bar
set laststatus=2

"==================== Vim general configurations = ============================
set modelines=0
syntax enable
set nu
set tabstop=4       " numbers of spaces of tab character
set shiftwidth=4    " numbers of spaces to (auto)indent
set showcmd         " display incomplete commands
set hlsearch        " highlight searches
"set incsearch       " do incremental searching
set ruler           " show the cursor position all the time
set visualbell t_vb=    " turn off error beep/flash
set novisualbell    " turn off visual bell
set nobackup        " do not keep a backup file
set number          " show line numbers
set autowrite      " auto saves changes when quitting and swiching buffer
set expandtab      " tabs are converted to spaces, use only when required
set sm             " show matching braces, somewhat annoying...
"set nowrap        " don't wrap lines
"set wrap
set autoread "autoload file when a file is changed from the outside
set foldcolumn=1   " add extra margin to left
set encoding=utf8
set ai             " auto indent
set si             " smart indent
set smarttab       " smart tab

let mapleader = ","
let g:mapleader = ","

" :W sudo saves the file
command W w !sudo tee % > /dev/null;

if exists('+colorcolumn')
  set colorcolumn=80
else
  au BufWinEnter * let w:m2=matchadd('ErrorMsg', '\%>80v.\+', -1)
endif

"================== Customized key binding ===================================
"cmd [attr(one or more)] lhs rhs
"{cmd} --':map', ':map!', ':nmap', ':vmap', ':imap', ':cmap', ':smap', ':xmap',
"        ':omap', ':lmap', etc.
"{attr} -- <buffer>, <silent>, <expr>, <script>, <unique> and <special>.
"{lhs} left hand side, is a sequence of one or more keys that are being mapped.
"{rhs} right hand side, is the sequence of keys that the {lhs} keys are mapped to.

"example:
"  map <F2> :echo 'Current time is ' . strftime('%c')<CR>
"  map! <F3> a<C-R>=strftime('%c')<CR><Esc>
"  nnoremap <silent> <F2> :lchdir %:p:h<CR>:pwd<CR>
"
"nmap - normal mode maps
"imap - insert mode maps
"vmap - visual and select mode maps
"smap - select mode maps
"xmap - visual mode maps
"cmap - Display command-line mode maps
"omap - Display operator pending mode maps
"
"<silent>: disble the visiblility of command execution
"<expr>  : map command to invoke a Vim function and use the returned value as 
"the key sequence to execute
"
"Key notation:
""
"Ctrl-KEY  -> <C-KEY>
"Shit-KEY  -> <S-KEY>
"Super-KEY -> <D-KEY>
"Ctrl-I    -> TAB
"Ctrl-[    -> ESC
"Ctrl-M    -> Enter
"Ctrl-H    -> Backspace <BS>
"Enter     -> <CR>

" Turn off highlight search
map <silent> <C-N> :silent noh<CR>
" Keyboard mapping for numeric keypad
imap <Esc>OM <c-m>
map <Esc>OM <c-m>
imap <Esc>OP <nop>
map <Esc>OP <nop>
imap <Esc>OQ /
map <Esc>OQ /
imap <Esc>OR *
map <Esc>OR *
imap <Esc>OS -
map <Esc>OS -

imap <Esc>Ol +
imap <Esc>Om -
imap <Esc>On ,
imap <Esc>Op 0
imap <Esc>Oq 1
imap <Esc>Or 2
imap <Esc>Os 3
imap <Esc>Ot 4
imap <Esc>Ou 5
imap <Esc>Ov 6
imap <Esc>Ow 7
imap <Esc>Ox 8
imap <Esc>Oy 9
imap <Esc>Oz 0

" spell checking
map <leader>sc :setlocal spell!<cr>
" taglist
map <F7> :TlistToggle<cr>
" ctrlp
let g:ctrlp_map = '<c-p>'
let g:ctrlp_cmd = 'CtrlP'

" .vimrc edit configuration
map <leader>ss :sp ~/.vim/gassavimrc<cr>     " edit my .vimrc file in a split
map <leader>se :e ~/.vim/gassavimrc<cr>      " edit my .vimrc file
map <leader>sr :source ~/.vim/gassavimrc<cr> " update .vimrc

" ctags
set tags=tags,./../tags,./../tags,./../../tags,./../../../tags,./../../../../tags,./../../../../../tags,./../../../../../../tags,./../../../../../../../tags,./../../../../../../../../tags