vim-as-an-ide-part-1

" BASIC SETUP:
" the <leader> is (comma)
" ***************************************************************************

set autoread                                                                " Set to auto read when a file is changed from the outside
set backspace=indent,eol,start                                              " more powerful backspacing
set clipboard=unnamed                                                       " access your system clipboard
set cmdheight=2                                                             " Height of the command bar
syntax enable                                                               " enable syntax highlighting and plugin (for netrw)
set encoding=utf8                                                           " Set utf8 as standard encoding and en_US as the standard language
set expandtab                                                               " convert tabs into spaces
set ffs=unix,dos,mac                                                        " Use Unix as the standard file type
set foldmethod=indent                                                       " Code folding
set foldlevel=99
set history=500                                                             " Sets how many lines of history VIM has to remember
set incsearch                                                               " incremental search
set laststatus=2                                                            " Always show the status line
set list                                                                    " Show trailing white space
set listchars=tab:>·,trail:~,extends:>,precedes:<,space:.                   " eol:¬,tab:>·,trail:~,extends:>,precedes:<,space:.
set mouse=nicr
set magic                                                                   " For regular expressions turn magic on
set nocompatible                                                            " enter the current millenium
set number                                                                  " always show line numbers
set hidden
set ruler                                                                   " Always show current position
set scrolloff=3                                                             " when scrolling, keep cursor 3 lines away from screen border
set shiftwidth=2                                                            " amount of block indenting
set smarttab                                                                " uses the shiftwidth instead of tabstop to delete indented line
set synmaxcol=200                                                           " performance ???
set tabstop=2                                                               " press tab, 2 spaces forward, 1 tab == 2 spaces
set wrap                                                                    " Wrap lines

filetype plugin indent on              " required

" OTHER BASIC SETUP (TWEAKS)
" ***************************************************************************
let mapleader = ","
let maplocalleader = ","
set termguicolors
nnoremap <leader>N :setlocal number!<cr>            " Toggle line numbers

" 1 comma+s to save
" 2 comma+q to quit (does not save, watch out!)
" 3 quit all without saving
nnoremap <leader>ss :w<cr>
nnoremap <leader>q :q!<cr>
nnoremap <leader>qa :qa!<cr>

let $MYVIMRC="/home/you_username/.vimrc"
" Reload vimrc
nnoremap <leader>rv :source<Space>$MYVIMRC<cr>
" Edit vimrc
nnoremap <leader>ev :tabnew $MYVIMRC<cr>

" Copy & paste to clipboard
noremap <Leader>Y "+y
noremap <Leader>P "+p

" change Escape key behaviour
" :imap ii <Esc>
imap <leader>q <Esc>
inoremap jj <Esc>

" Enable folding with the z
nnoremap <leader> z

" Buffer key mappings
nnoremap <leader>l :bn<cr>
nnoremap <leader>h :bp<cr>
nnoremap <leader>0 :bf<cr>
nnoremap <leader>9 :bl<cr>
nnoremap <leader>dd :bd<cr>

" Managing tabs
nnoremap tn :tabnew<Space>
nnoremap tk :tabnext<CR>
nnoremap tj :tabprev<CR>
nnoremap th :tabfirst<CR>
nnoremap tl :tablast<CR>
nnoremap tc :tabclose<CR>

" :W sudo saves the file
" (useful for handling the permission-denied error)
command W w !sudo tee % > /dev/null

" navigate split screens easily
nmap <silent> <c-k> :wincmd k<CR>
nmap <silent> <c-j> :wincmd j<CR>
nmap <silent> <c-h> :wincmd h<CR>
nmap <silent> <c-l> :wincmd l<CR>

" Stay in visual mode when indenting. You will never have to run gv after
" performing an indentation.
" Pressing Shift-< or Shift-> will let you indent/unident selected lines,
" allow it to occur multiple times in visual mode
vnoremap < <gv
vnoremap > >gv

" Commenting
" comma-1 insert "!" commenting
nnoremap <leader>1 :norm i!<cr>
vnoremap <leader>1 :norm i!<cr>

" comma-' insert """ commenting
nnoremap <leader>' :norm i"<cr>
vnoremap <leader>' :norm i"<cr>

" comma-3 insert "#" commenting
nnoremap <leader>3 :norm i#<cr>
vnoremap <leader>3 :norm i#<cr>

" comma-- insert "--" commenting
nnoremap <leader>- :norm i--<cr>
vnoremap <leader>- :norm i--<cr>

" comma-6 uncomment
nnoremap <leader>6 :norm ^x<cr>
vnoremap <leader>6 :norm ^x<cr>

" Ignore compiled files
set wildignore=*.o,*~,*.pyc
if has("win16") || has("win32")
    set wildignore+=.git\*,.hg\*,.svn\*
else
    set wildignore+=*/.git/*,*/.hg/*,*/.svn/*,*/.DS_Store
endif

" Make Y yank everything from the cursor to the end of the line. This makes Y
" act more like C or D because by default, Y yanks the current line (i.e. the
" same as yy).
noremap Y y$

" autocompletion of files and commands behaves like shell
" (complete only the common part, list the options that match)
set wildmode=list:longest

" FINDING FILES: **********************************************************
" search down into subfolders
" provides tab-completion for all file-related tasks
set path+=**

" display all matching files when we tab complete
 set wildmenu
 set wildmode=list:longest,full
 set lazyredraw

" NOW WE CAN:
" - hit tab to :find by partial match
" - use * to make it fuzzy
" THINGS TO CONSIDER:
" - :b lets you autocomplete any open buffer
" END FINDING FILES: **********************************************************

" FILE BROWSING: *********************************************************
" tweaks for browsing
 let g:netrw_banner=0                                    " disable annoying banner
 let g:netrw_browse_split=4                              " open in prior window
 let g:netrw_altv=1                                      " open splits to the right
 let g:netrw_liststyle=3                                 " tree view
 let g:netrw_list_hide=netrw_gitignore#Hide()
 let g:netrw_list_hide.=',\(^\|\s\s\)\zs\.\S\+'

" NOW WE CAN:
" - :edit a folder to open a file browser
" - <CR>/v/t to open in an h-split/v-split/tab
" - check |netrw-browse-maps| for more mappings
" END FILE BROWSING: *********************************************************

" Enable 256 colors palette in Gnome Terminal
if $COLORTERM == 'gnome-terminal'
    set t_Co=256
endif

set background=dark

" Set extra options when running in GUI mode
if has("gui_running")
    set guioptions-=T
    set guioptions-=e
    set t_Co=256
    set guitablabel=%M\ %t
    set cursorcolumn!

    " Set up the gui cursor to look nice
    set guicursor=n-v-c:block-Cursor-blinkon0
    set guicursor+=ve:ver35-Cursor
    set guicursor+=o:hor50-Cursor
    set guicursor+=i-ci:ver25-Cursor
    set guicursor+=r-cr:hor20-Cursor
    set guicursor+=sm:block-Cursor-blinkwait175-blinkoff150-blinkon175
endif

" better backup, swap and undos storage
set directory=~/.vim/dirs/tmp     " directory to place swap files in
set backup                        " make backup files
set backupdir=~/.vim/dirs/backups " where to put backup files
set undofile                      " persistent undos - undo after you re-open the file
set undodir=~/.vim/dirs/undos
set viminfo+=n~/.vim/dirs/viminfo
" store yankring history file there too
let g:yankring_history_dir = '~/.vim/dirs/'

" create needed directories if they don't exist
if !isdirectory(&backupdir)
    call mkdir(&backupdir, "p")
endif
if !isdirectory(&directory)
    call mkdir(&directory, "p")
endif
if !isdirectory(&undodir)
    call mkdir(&undodir, "p")
endif