simple vimrc configuration - no plugins

vimrc.local

syntax on
set relativenumber
set number
set tabstop=4
set shiftwidth=4
set expandtab
set smartindent
set autoindent
set hidden
set autoread
set showtabline=0                 " No need for tabs to show since i use buffers
set laststatus=2                  " always show mod'd statusline
set cursorline
set t_Co=256
set mouse=a
set nopaste
set incsearch                     " move to match as you type the search query
set hlsearch                      " disable search result highlighting

" Set the leader button
let mapleader = ' '

" Set the cursor to a single line in Insert mode
" autocmd InsertEnter * set cursorline
" autocmd InsertLeave * set nocursorline

"----------------------------
" BEGIN CUSTOM FUNCTIONS
"----------------------------

" function for pastetoggle
fun! TogglePT()
  if &paste == 0
    set paste
  else
    set nopaste
  endif
endfun

nnoremap <leader>pt :call TogglePT()<cr>

" function for line number
fun! ToggleLN()
  if &number == 1
    set nonumber
  else
    set number
  endif
endfun

nnoremap <leader>ln :call ToggleLN()<cr>

" function for colorcolumn
fun! ToggleCC()
  if &cc == ''
    set cc=80
  else
    set cc=
  endif
endfun

nnoremap <leader>cc :call ToggleCC()<cr>

" Toggle Line wrap
fun! ToggleWrap()
  if &wrap == 0
    set wrap
  else
    set nowrap
  endif
endfun

nnoremap <leader>tw :call ToggleWrap()<cr>

" Function to generate a list of open buffer names
function! ListBuffers()
    let buffer_list = []
    for i in range(1, bufnr('$'))
        if buflisted(i)
            let bufname = bufname(i)
            let current_buf = i == bufnr('%') ? '* ' : ' '
            let buffer_list += [bufname . current_buf]
        endif
    endfor
    return join(buffer_list, ' | ')
endfunction

" Customize the statusline to include the list of open buffers
set statusline+=%{ListBuffers()}

"----------------------------------------------
" Navigation
"----------------------------------------------
" Move between buffers with Shift + H or L
nnoremap <S-h> :bprevious<cr>
nnoremap <S-l> :bnext<cr>

"----------------------------------------------
" Splits
"----------------------------------------------
" Create horizontal splits below the current window
set splitbelow
set splitright

" Creating splits
nnoremap <leader>v :vsplit<cr>
nnoremap <leader>h :split<cr>

" Resize Vim windows with Ctrl + arrow keys
nnoremap <C-Left> :vertical resize -5<CR>
nnoremap <C-Right> :vertical resize +5<CR>
nnoremap <C-Up> :resize -5<CR>
nnoremap <C-Down> :resize +5<CR>

" Closing splits
nnoremap <leader>q :close<cr>

" Map leader key + e to open Lexplore
nmap <leader>e :20Lexplore<CR>

" prevents deleting lines when moving around with ctrl+arrow
set term=xterm

" remove trailing white space on save
augroup ws_clipper
  autocmd BufWritePre * :%s/\s\+$//e
augroup END