ideavimrc

" --------------------
" Emulated Vim Plugins
" --------------------

set commentary

" Install IdeaVim-EasyMotion and AceJump plugins
set easymotion
" TODO: Add `if` statement to check the EasyMotion's availability
let g:EasyMotion_do_mapping = 0 " Disable default mappings
nmap m <Plug>(easymotion-s2)
xmap m <Plug>(easymotion-s2)
omap m <Plug>(easymotion-s2)

set multiple-cursors
set surround
set NERDTree

" ---------------
" Common settings
" ---------------

" source ~/.vimrc

let mapleader = ","

map <Leader>rn :set relativenumber!<CR>

set showmode
set gdefault

set hlsearch
set incsearch
set ignorecase
set smartcase

set notimeout

" Keep 10000 lines of command line history
set history=10000

" Cursor line will always be in the middle of the window
set scrolloff=999

" Set match pairs beyond default {...}, (...) and [...]
set matchpairs+=<:>

" Increase or decrease items (default octal,hex)
set nrformats=alpha,hex

" TODO: No support for whichwrap option :(
" set whichwrap=b,s,h,l,<,>,~,[,]

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

if has('clipboard')
  if has('unnamedplus')     " When possible use + register for copy-paste
    set clipboard^=unnamed,unnamedplus
  else              " On macOS and Windows, use * register for copy-paste
    set clipboard=unnamed
  endif
endif

inoremap jk <Esc><Esc>

" Easy window navigation
nnoremap <C-H> <C-W>h
nnoremap <C-J> <C-W>j
nnoremap <C-K> <C-W>k
nnoremap <C-L> <C-W>l

" Quickly set comma or semicolon at the end of the string
inoremap ,, <End>,
inoremap ;; <End>;

nnoremap <silent> <Leader><Space> :nohlsearch<CR>
nnoremap <silent> <Esc><Esc> :nohlsearch<CR>
nnoremap <silent> <C-[><C-[> :nohlsearch<CR>

" TODO: IdeaVim does not support toggle folds :(
" nnoremap <Space> za
nnoremap zj zc
nnoremap zk zo

" Disable the normal register; hence, p and P no longer yank the deleted text
nnoremap x "_x
nnoremap X "_X
vnoremap x "_x
vnoremap X "_X

" Do not overwrite register when pasting in Visual mode (p/P, gv, y)
" TODO: p/P to pgvy/Pgvy keybindings are not working :(
" vnoremap p pgvy
" vnoremap P Pgvy
" Tip by @Delta0
" xnoremap p "_dP
" A workaround to achieve this using the built-in paste functionality
vnoremap p :action EditorPaste<CR>
vnoremap P :action EditorPaste<CR>
" but preserve IdeaVim default paste
vnoremap gp p
vnoremap gP P

" Don't use Ex mode, use Q for formatting
map Q gq

" Map Y to act like D and C, i.e. to yank until EOL, rather than act as yy
map Y y$

" Indent line(s) in Visual Mode becomes easier with the trailing 'gv' command
vnoremap < <gv
vnoremap > >gv

" Select (charwise) the contents of the current line, excluding indentation.
" Great for pasting Python lines into REPLs.
nnoremap vv ^vg_

" Smart line movement in Insert mode
inoremap <C-J> <Esc>:m .+1<CR>==gi
inoremap <C-K> <Esc>:m .-2<CR>==gi

" Smart line movement in Visual mode
vnoremap <C-J> :m '>+1<CR>gv=gv
vnoremap <C-K> :m '<-2<CR>gv=gv

" -------------------------
" IdeaVim specific settings
" -------------------------

" https://github.com/JetBrains/ideavim/wiki/%60ideajoin%60-examples
set ideajoin

" Select entire buffer
nnoremap va :action $SelectAll<CR>

nmap <Leader>S :source ~/.ideavimrc<CR>

nnoremap <Leader>cc :action CommentByLineComment<CR>
vnoremap <Leader>cc :action CommentByLineComment<CR>

nnoremap <Leader>W :action EditorToggleUseSoftWraps<CR>
nnoremap <Leader>ic :action EditorToggleShowWhitespaces<CR>

" Enter Distraction Free Mode - mnemonic: `z` stands for zen
nnoremap <Leader>z :action ToggleDistractionFreeMode<CR>

nnoremap <Leader>e :action RecentFiles<CR>

nnoremap <Leader>d :action QuickTypeDefinition<CR>

" multiple-cursors keybindings for macOS
" See: https://youtrack.jetbrains.com/issue/VIM-1531#focus=streamItem-27-3131071.0-0
map <C-N> <A-N>
map <C-P> <A-P>
" FIXME: This spoils <C-X> to decrement a character under the cursor
map <C-X> <A-X>
" TODO: This below doesn't seem functional :(
map g<C-N> g<A-N>

" unimpaired.vim inspired keybindings
nnoremap [<Space> O<Esc>j
nnoremap ]<Space> o<Esc>k
nnoremap [q :action PreviousOccurence<CR>
nnoremap ]q :action NextOccurence<CR>
nnoremap [l :action GotoPreviousError<CR>
nnoremap ]l :action GotoNextError<CR>
nnoremap [x :action GotoPreviousError<CR>
nnoremap ]x :action GotoNextError<CR>
nnoremap [m :action MethodUp<CR>
nnoremap ]m :action MethodDown<CR>
nnoremap [e :action MoveLineUp<CR>
nnoremap ]e :action MoveLineDown<CR>
nnoremap [b :action PreviousTab<CR>
nnoremap ]b :action NextTab<CR>
nnoremap <Tab>j :action PreviousTab<CR>
nnoremap <Tab>k :action NextTab<CR>

" vim-gitgutter inspired keybindings
nnoremap [h :action VcsShowPrevChangeMarker<CR>
nnoremap ]h :action VcsShowNextChangeMarker<CR>
nmap <Leader>hu :action Vcs.RollbackChangedLines<CR>
nmap <Leader>hp :action VcsShowCurrentChangeMarker<CR>

" vim-fugitive inspired keybindings
nnoremap <silent> <Leader>gb :action Annotate<CR>

" NERDTree inspired keybindings
map <silent> <Leader>nn :NERDTreeToggle<CR>
map <silent> <Leader>nf :NERDTreeFind<CR>
" map <silent> <Leader>nf :action SelectIn<CR>

" VSCodeVim inspired keybindings
nnoremap ge :action ShowErrorDescription<CR>
nnoremap gh :action QuickJavaDoc<CR>
nnoremap gt :action GotoTypeDeclaration<CR>
nnoremap gT :action GotoTypeDeclaration<CR>

" Built-in navigation to navigated items works better
nnoremap <C-O> :action Back<CR>
nnoremap <C-I> :action Forward<CR>
" but preserve IdeaVim defaults
nnoremap g<C-O> <C-O>
nnoremap g<C-I> <C-I>

" Built-in search looks better
" nnoremap / :action Find<CR>
" but preserve IdeaVim default search
" nnoremap g/ /