vimrc.sh

" MANDATORY SETTINGS -------------------------------------------- {{{

" Disable compatibility with vi which can cause unexpected issues.
set nocompatible

" Enable type file detection. Vim will be able to try to detect the type of file in use.
filetype on

" Enable plugins and load plugin for the detected file type.
filetype plugin on

" Load an indent file for the detected file type.
filetype indent on

" Turn syntax highlighting on.
syntax on

" Add numbers to each line on the left-hand side.
set number

" Highlight cursor line underneath the cursor horizontally.
set cursorline

" Highlight cursor line underneath the cursor vertically.
set cursorcolumn

" While searching though a file incrementally highlight matching characters as you type.
set incsearch

" Ignore capital letters during search.
set ignorecase

" Override the ignorecase option if searching for capital letters.
" This will allow you to search specifically for capital letters.
set smartcase

" Show partial command you type in the last line of the screen.
set showcmd

" Show the mode you are on the last line.
set showmode

" Show matching words during a search.
set showmatch

" Use highlighting when doing a search.
set hlsearch

" }}}


" HELPFUL SETTINGS ------------------------------------------------------ {{{

" Better command-line completion
set wildmenu

" Make wildmenu behave like similar to Bash completion.
set wildmode=list:longest

" There are certain files that we would never want to edit with Vim.
" Wildmenu will ignore files with these extensions.
set wildignore=*.docx,*.jpg,*.png,*.gif,*.pdf,*.pyc,*.exe,*.flv,*.img,*.xlsx

" One such option is the 'hidden' option, which allows you to re-use the same
" window and switch from an unsaved buffer without saving it first. Also allows
" you to keep an undo history for multiple files when re-using the same window
" in this way. Note that using persistent undo also lets you undo in multiple
" files even in the same window, but is less efficient and is actually designed
" for keeping undo history after closing Vim entirely. Vim will complain if you
" try to quit without saving, and swap files will keep you safe if your computer
" crashes.
set hidden

" When opening a new line and no filetype-specific indenting is enabled, keep
" the same indent as the line you're currently on. Useful for READMEs, etc.
set autoindent

" Stop certain movements from always going to the first character of a line.
" While this behaviour deviates from that of Vi, it does what most users
" coming from other editors would expect.
set nostartofline

" Display the cursor position on the last line of the screen or in the status
" line of a window
set ruler

" Always display the status line, even if only one window is displayed
set laststatus=2

" Instead of failing a command because of unsaved changes, instead raise a
" dialogue asking if you wish to save changed files.
set confirm

" Use visual bell instead of beeping when doing something wrong
set visualbell

if has('mouse')
  set mouse=a
endif

" Set the command window height to 2 lines, to avoid many cases of having to
" "press <Enter> to continue"
set cmdheight=2

" Indentation settings according to personal preference.

" Indentation settings for using 4 spaces instead of tabs.
" Do not change 'tabstop' from its default value of 8 with this setup.
set shiftwidth=4
set softtabstop=4
set expandtab

" Indentation settings for using hard tabs for indent. Display tabs as
" four characters wide.
"set shiftwidth=4
"set tabstop=4

" Sets fold indentation
" set foldcolumn=5

" Sets color scheme
colorscheme molokai

" }}}


" PLUGINS ---------------------------------------------------------------- {{{

" Plugin code goes here.

" }}}


" MAPPINGS --------------------------------------------------------------- {{{

nnoremap lv :loadview <CR>

inoremap jj <Esc>

nnoremap qq :q <CR>

nnoremap <space> :

nnoremap o o<Esc>

nnoremap n nzz
nnoremap N Nzz

nnoremap cc :colorscheme molokai <CR>

nnoremap Y y$

" Map the F5 key to run a Python script inside Vim.
" I map F5 to a chain of commands here.
" :w saves the file.
" <CR> (carriage return) is like pressing the enter key.
" !clear runs the external clear screen command.
" !python3 % executes the current file with Python.
nnoremap <f5> :w <CR>:!clear <CR>:!python3 % <CR>

" Use the shift i,k,j,l keys to navigate the file
nnoremap <S-J> <left>
nnoremap <S-I> <up>
nnoremap <S-K> <down>
nnoremap <S-L> <right>


" You can split the window in Vim by typing :split or :vsplit.
" Navigate the split view easier by pressing CTRL+j, CTRL+k, CTRL+h, or CTRL+l.
nnoremap <c-j> <c-w>j
nnoremap <c-k> <c-w>k
nnoremap <c-h> <c-w>h
nnoremap <c-l> <c-w>l

" Resize split windows using arrow keys by pressing:
" CTRL+UP, CTRL+DOWN, CTRL+LEFT, or CTRL+RIGHT.
noremap <c-up> <c-w>+
noremap <c-down> <c-w>-
noremap <c-left> <c-w>>
noremap <c-right> <c-w><

" NERDTree specific mappings.
" Map the F3 key to toggle NERDTree open and close.
nnoremap <F3> :NERDTreeToggle<cr>

" Have nerdtree ignore certain files and directories.
let NERDTreeIgnore=['\.git$', '\.jpg$', '\.mp4$', '\.ogg$', '\.iso$', '\.pdf$', '\.pyc$', '\.odt$', '\.png$', '\.gif$', '\.db$']

" Create a mapping to call the function
nnoremap <silent> \fp :call FoldPythonClassesAndFunctions()<CR>

" }}}


" VIMSCRIPT -------------------------------------------------------------- {{{

" This will enable code folding.
" Use the marker method of folding.
augroup filetype_vim
    autocmd!
    autocmd FileType vim setlocal foldmethod=marker
augroup END

" If GUI version of Vim is running set these options.
if has('gui_running')

    " Set the background tone.
    set background=dark

    " Set the color scheme.
    colorscheme molokai

    " Set a custom font you have installed on your computer.
    " Syntax: set guifont=<font_name>\ <font_weight>\ <size>
    set guifont=Monospace\ Regular\ 12

    " Display more of the file by default.
    " Hide the toolbar.
   " set guioptions-=T

    " Hide the the left-side scroll bar.
   " set guioptions-=L

    " Hide the the right-side scroll bar.
   " set guioptions-=r

    " Hide the the menu bar.
   " set guioptions-=m

    " Hide the the bottom scroll bar.
   " set guioptions-=b

    " Map the F4 key to toggle the menu, toolbar, and scroll bar.
    " <Bar> is the pipe character.
    " <CR> is the enter key.
   " nnoremap <F4> :if &guioptions=~#'mTr'<Bar>
      "  \set guioptions-=mTr<Bar>
      "  \else<Bar>
      "  \set guioptions+=mTr<Bar>
      "  \endif<CR>

endif

" Fold classes and functions in Python files
function! FoldPythonClassesAndFunctions()
    " Enable folding
    setlocal foldmethod=marker
    setlocal foldmarker={,}

    " Find the line number of the test_function() definition
    let lnum = search('^def', 'nw')
    if lnum != 0
        " Move to the line before the function definition
        execute 'normal! ' . (lnum - 1) . 'G'

        " Create the fold marker
        normal! zf%
    endif
endfunction

" More Vimscripts code goes here.

" }}}


" STATUS LINE ------------------------------------------------------------ {{{

" Status bar code goes here.

" }}}