init.vim

"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Maintainer:
"       Alan Jui : [email protected]
"
" Version:
"       V 0.4.0    2019/07/01 00:14
"
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""


"==============================================================
" Vim 附加套件
"
" 暫停附加套件：
"
"   Plug 'foo/bar', { 'on': [] }
"==============================================================


call plug#begin('~/.local/share/nvim/plugged')

"--------------------------------------------------------------
" 使用者操作介面

" Color Scheme
Plug 'morhetz/gruvbox'
Plug 'joshdick/onedark.vim'
Plug 'dracula/vim', { 'commit': '147f389f4275cec4ef43ebc25e2011c57b45cc00' }
Plug 'chriskempson/tomorrow-theme', { 'rtp': 'vim' }

" Color Scheme for syntax
Plug 'sheerun/vim-polyglot'

" Status Bar
Plug 'vim-airline/vim-airline'

" Switch vim-airlinetheme
Plug 'vim-airline/vim-airline-themes'

" Add file type glyphs/icons to popular Vim plugins: NERDTree, vim-airline
Plug 'ryanoasis/vim-devicons'

"--------------------------------------------------------------
" 檔案操作

" MRU: Most Recently Used
Plug 'vim-scripts/mru.vim'

" File managing and exploration
Plug 'scrooloose/nerdtree'

" Want to use tabs
Plug 'jistr/vim-nerdtree-tabs'

" Plugin for NERDTree showing git status flags
Plug 'xuyuanp/nerdtree-git-plugin'

" Code jump: jump to definition of class and method
Plug 'davidhalter/jedi-vim'

" 模糊化檔案搜尋
Plug 'junegunn/fzf', { 'dir': '~/.fzf', 'do': './install --all' }
Plug 'junegunn/fzf.vim'

"--------------------------------------------------------------
" 視覺導引

" Code folding
Plug 'tmhedberg/SimpylFold'

" Displaying thin vertical lines
Plug 'Yggdroot/indentLine'

"--------------------------------------------------------------
" 語法檢查（Syntax Check）

" Check syntax (linting) and fix files asynchronously, with Language
" Server Protocol (LSP) integration in Vim
Plug 'w0rp/ale'

"--------------------------------------------------------------
" 自動完成（Autocomplete）

" Automatic quote and bracket completion
Plug 'jiangmiao/auto-pairs'

" " A set of mappings for HTML, XML, PHP, ASP, eRuby, JSP, and more
" Plug 'tpope/vim-ragtag'

" NCM2 (nvim-completion-manager v2) is a fast, extensible, async completion 
" framework for neovim.
Plug 'ncm2/ncm2'
Plug 'roxma/nvim-yarp'

" NOTE: you need to install completion sources to get completions. Check
" our wiki page for a list of sources: https://github.com/ncm2/ncm2/wiki

" Gerenal purpose
Plug 'ncm2/ncm2-bufword'
Plug 'ncm2/ncm2-path'

" Syntax
Plug 'ncm2/ncm2-syntax' | Plug 'Shougo/neco-syntax'

" Web Development
Plug 'ncm2/ncm2-html-subscope'
Plug 'ncm2/ncm2-tagprefix'
" Plug 'ncm2/ncm2-markdown-subscope'

" Python completion for ncm2 via the great jedi library.
Plug 'ncm2/ncm2-jedi'

" Neosnippet integration for ncm2.
"  - snippet completion source
"  - trigger dynamic snippet of completed item, e.g. parameter expansion.
if has('nvim')
  Plug 'Shougo/deoplete.nvim', { 'do': ':UpdateRemotePlugins' }
else
  Plug 'Shougo/deoplete.nvim'
  Plug 'roxma/nvim-yarp'
  Plug 'roxma/vim-hug-neovim-rpc'
endif

Plug 'Shougo/neosnippet.vim'
Plug 'Shougo/neosnippet-snippets'
Plug 'ncm2/ncm2-neosnippet'

" Emmet for vim
Plug 'mattn/emmet-vim'

" Snippets


"--------------------------------------------------------------
" 程式排版

" Code auto-format
Plug 'Chiel92/vim-autoformat'

Plug 'google/yapf'

"--------------------------------------------------------------
" 程式編輯

" Comment code
Plug 'scrooloose/nerdcommenter'

" Multiple cursor editting
Plug 'terryma/vim-multiple-cursors'

" Auto-pairs
Plug 'tpope/vim-surround' 

"--------------------------------------------------------------
" 其它 

" 終端機
Plug 'sollidsnake/vterm'


call plug#end()


"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Vim 設定
" 使用者可客製化
"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""


"==============================================================
" 通用設定
"==============================================================


"--------------------------------------------------------------
" 作業系統層級設定

" Python for NeoVim (PyNvim)
let g:python3_host_prog='/Users/alanjui/.pyenv/versions/neovim3/bin/python'

" 與作業系統共用 Clipboard
" 欲將系統剪貼簿的內容貼入 Vim 前，需先按 <F2> 鍵。
set clipboard=unnamed
set undolevels=700

" no temp or backup files
set noswapfile
set nobackup
set nowritebackup


"--------------------------------------------------------------
" 應用系統層級設定


set nocompatible            " Disable compatibility to old-time vi
set encoding=UTF-8

set backspace=2
"set backspace=indent,start,eol

set mouse=a

set hidden
set noshowmode
set showmatch               " Show matching brackets.
set nolazyredraw

set showcmd


" 倒刪鍵不刪 EOL
" 標示多餘空白【務必放在 ColorScheme 設定之前】
"autocmd ColorScheme * highlight ExtraWhitespace ctermbg=red guibg=red
"autocmd InsertLeave * match ExtraWhitespace /\s\+$/


" 設定 Leader 鍵
let mapleader = ","
set timeout timeoutlen=1500

" 進入「貼上（Paste）」模式
set pastetoggle=<F2>


" 滑䑕指標可切換 tab
" 離開插入模式，回返一般模式
imap II <Esc>
imap jj <Esc>

imap <silent> <leader><leader> <C-O>l,

" 退出
noremap <Leader>e :quit<CR>  " Quit current window
noremap <Leader>E :qa!<CR>   " Quit all windows


"--------------------------------------------------------------
" 檔案作業


" 停用 backup 與 swap 功能
set nobackup
set nowritebackup
set noswapfile


" 儲存檔案
nmap <Leader>w :update<CR>
imap <Leader>w <C-O>:update<CR>
vmap <Leader>w <C-C>:update<CR>


" 設定檔作業

" 編輯設定檔
nmap <leader>i :tabnew ~/.config/nvim/init.vim<CR>

" 依據設定檔重啟設定
nmap <leader>I :source ~/.config/nvim/init.vim<CR>


"==============================================================
" 操作介面
"==============================================================


"--------------------------------------------------------------
" 佈景、配色與字體

" gruvbox: Vim color scheme
colorscheme gruvbox
set background=dark

" one-dark
let g:lightline = {
\ 'colorscheme': 'onedark',
\ }


" 檔案內容，以「紀錄檔」配色顯示
nmap <leader>l :set filetype=journal<CR>


"--------------------------------------------------------------
" 圖示 DevIcons

set guifont=DroidSansMono\ Nerd\ Font:h16
"let g:airline_powerline_fonts=1


"--------------------------------------------------------------
" 狀態列： Airline & AirlineTheme


"let g:airline_powerline_fonts = 1
"set guifont=DejaVuSansMono\ Nerd\ Font:h16
"set guifont=DejaVu\ Sans\ Mono\ Nerd\ Font\ Complete:h16
set guifont=Hack\ Nerd\ Font\:h16
let g:airline_theme='luna'
let g:airline#extensions#tabline#enabled = 1
let g:airline#extensions#tabline#formatter = 'default'

if !exists('g:airline_symbols')
    let g:airline_symbols = {}
endif

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.branch = ''
let g:airline_symbols.readonly = ''
let g:airline_symbols.dirty= '⚡'


"--------------------------------------------------------------
" 視窗管理
set splitbelow      " 水平切割時，在下產生新視窗
set splitright      " 垂直切割時，在右產生新視窗

" 切割視窗指令：
"  - 水平切割： :sp   ==>  :10sp [FileName]10+
"  - 垂直切割： :vsp  ==>  :vsp [FileName]

"<C-w>_ ：視窗高度最大化（適用於水平切割視窗）
"<C-w>| ：視窗寬度最大化（適用於垂直切割視窗）
"<C-w>= ：視窗寬高平均化（適用於任何切割視窗）

" <C-w>r: Swap top/bottom or left/right splitjj
" <C-w>t: Break out current window into a new tabview
" <C-w>o: Close every window in the current tabview but the current one
"map <c-j> <c-w>j
"map <c-k> <c-w>k
"map <c-l> <c-w>l
"map <c-h> <c-w>h

" 在 Tab 視窗移動
map <Leader>p <esc>:tabprevious<CR>
map <Leader>n <esc>:tabnext<CR>


"==============================================================
" 程式碼排版
"==============================================================


" 令程式碼檔案可有語法（Syntax）高亮標示
filetype off
filetype plugin indent on
syntax on


" 程式碼排版規範
set colorcolumn=80          " 設定每行能放 80 個字元
set nowrap                  " 不用依據 colorcolumn 的規範，在自動換行
set autoindent              " indent a new line the same amount as the line just typed

" 行號顯示
set nu                      " 顯示行號
set relativenumber          " 在遊標所在處顯示相對行號

set cursorline

" Tabs and spaces handling
set tabstop=4
set shiftwidth=4
set softtabstop=4
set shiftround
set expandtab

" 設定〔行號〕顯示模式
map <leader>nr :set relativenumber<CR>
map <leader>nn :set norelativenumber<CR>


" 文字搜尋：Serach configuration
set ignorecase              " 搜尋時怱略英文字母的大小寫
set smartcase               " turn on smartcase
set incsearch
set hlsearch                " highlight search results


" 清除搜尋完後的醒目提示
noremap <F12> :nohl<CR>
vnoremap <F12> :nohl<CR>
inoremap <F12> :nohl<CR>


"--------------------------------------------------------------
" 遊標操作


" 合併兩行
nmap <leader>j :join!<CR>
imap <leader>j <Esc>:join<CR>


" 在一般模式，置入空白行：
" (1) 在遊標上一行，插入空白行
nmap <leader>O O<Esc>


" (2) 在遊標下一行，插入空白行
nmap <leader>o o<Esc>


"--------------------------------------------------------------
" Python 

" 內縮格式
autocmd FileType python setlocal expandtab shiftwidth=4 softtabstop=4


" 排版格式：PEP-008
au BufNewFile,BufRead *.py
            \ set tabstop=4 |
            \ set softtabstop=4 |
            \ set shiftwidth=4 |
            \ set textwidth=79 |
            \ set expandtab |
            \ set autoindent |
            \ set fileformat=unix |
            \ let b:comment_leader='#'


" 自動去除不必要的空白
highlight BadWhitespace ctermbg=red guibg=darkred
au BufRead,BufNewFile *.py,*.pyw,*.c,*.h match BadWhitespace /^\t\+/
au BufRead,BufNewFile *.py,*.pyw,*.c,*.h match BadWhitespace /\s\+$/


"--------------------------------------------------------------
" Web 

" 內縮格式
autocmd FileType javascript setlocal ts=2 sts=2 sw=2
autocmd FileType html setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType css setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType xml setlocal shiftwidth=2 tabstop=2 softtabstop=2

" 排版格式
au BufNewFile,BufRead *.js, *.html, *.css
            \ set tabstop=2 |
            \ set softtabstop=2 |
            \ set shiftwidth=2

" 註解格式
au BufNewFile,BufRead *.js let b:comment_leader='//'
au BufNewFile,BufRead *.html let b:comment_leader='<!--'
au BufNewFile,BufRead *.css let b:comment_leader='/*'


"--------------------------------------------------------------
" Django

autocmd FileType htmldjango setlocal shiftwidth=2 tabstop=2 softtabstop=2
autocmd FileType htmldjango inoremap {{ {{  }}<left><left><left>
autocmd FileType htmldjango inoremap {% {%  %}<left><left><left>
autocmd FileType htmldjango inoremap {# {#  #}<left><left><left>

" 判別是否適用 htmldjango 檔案格式
augroup filetypedetect
  " removes current htmldjango detection located at $VIMRUNTIME/filetype.vim
  au! BufNewFile,BufRead *.html
  au  BufNewFile,BufRead *.html   call FThtml()

  func! FThtml()
    let n = 1
    while n < 10 && n < line("$")
      if getline(n) =~ '\<DTD\s\+XHTML\s'
        setf xhtml
        return
      endif
      if getline(n) =~ '{%\|{{\|{#'
        setf htmldjango
        return
      endif
      let n = n + 1
    endwhile
    setf html
  endfunc
augroup END


"--------------------------------------------------------------
" 程式碼重新排版: chiel92/vim-autoformat
"
" let g:autoformat_verbosemode=1
au BufWrite *.py :Autoformat
noremap <F3> :Autoformat<CR>


"--------------------------------------------------------------
" 程式碼開展與折疊操作：SimplyFold
"
" - zo： Open fold in current cursor postion
" - zO： Open fold and sub-fold in current cursor postion recursively
" - zc： Close the fold in current cursor position
" - zC： Close the fold and sub-fold in current cursor position recursively

" Set the default to unfolded when a file is opened
set foldmethod=indent
set foldlevel=99
autocmd BufRead * normal zR

" Preview docstring in fold textd
let g:SimpylFold_docstring_preview = 0

" Fold docstrings   1
let g:SimpylFold_fold_docstring = 0

" Fold docstrings (buffer local)    1
let b:SimpylFold_fold_docstring = 0

" Fold imports  1
let g:SimpylFold_fold_import = 0

" Fold imports (buffer local)   1
let b:SimpylFold_fold_import = 0

nmap <space> za


"==============================================================
" 檔案瀏覽、尋找等操作
"==============================================================


"--------------------------------------------------------------
" 列示最近有過用的檔案(MRU: Most Recently Used)
" :MRU


"--------------------------------------------------------------
" 列示所有檔案
nmap <leader>f :Files<CR>


"--------------------------------------------------------------
" 瀏覽目錄與檔案： NERDTree

"  - To open file navigation window:  [:NERDTree]
"  - To open a file in the file explorer to the right window:  <o>
"  - To switch between file window and nerdtree file navigation window:
"  <Ctrl+w><Ctrl+w>; <Ctrl+w><L>
"  - To exit or close file explorer window: <q>; [:NERDTreeClose]
" o: 在已有窗口中打開文件、目錄或書籤，並跳到該窗口
" go: 在已有窗口 中打開文件、目錄或書籤，但不跳到該窗口
" t: 在新 Tab 中打開選中文件/書籤，並跳到新 Tab
" T: 在新 Tab 中打開選中文件/書籤，但不跳到新 Tab
" i: split 一個新窗口打開選中文件，並跳到該窗口
" gi: split 一個新窗口打開選中文件，但不跳到該窗口
" s: vsplit 一個新窗口打開選中文件，並跳到該窗口
" gs: vsplit 一個新 窗口打開選中文件，但不跳到該窗口
" !: 執行當前文件
" O: 遞歸打開選中 結點下的所有目錄
" m: 文件操作：複製、刪除、移動等

" 自動展開
"autocmd vimenter * NERDTree

" 啟動 Vim 時，未指定檔案，則自動展開
autocmd vimenter * if !argc() |NERDTree | endif

" NERDTree 若為僅存之唯一視窗，則自動關閉
autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | exe 'cd '.argv()[0] | endif

" 要顯示隱藏文件
let g:NERDTreeHidden=1

" 需過濾，不用顯示之目錄及檔案
let NERDTreeIgnore = [
\ '\.pyc$',
\ '\~$',
\ '\.vscode',
\ '__pycache__',
\ 'node_modules',
\ ]

let g:NERDTreeDirArrowExpandable = '▸'
let g:NERDTreeDirArrowCollapsible = '▾'


" 目錄與檔案瀏覽
nmap <leader>q :NERDTreeToggle<CR>
nmap \ <leader>q


"--------------------------------------------------------------
" 標示 Git 檔案狀態：nerdtree-git
let g:NERDTreeIndicatorMapCustom = {
\ "Modified"  : "✹",
\ "Staged"    : "✚",
\ "Untracked" : "✭",
\ "Renamed"   : "➜",
\ "Unmerged"  : "═",
\ "Deleted"   : "✖",
\ "Dirty"     : "✗",
\ "Clean"     : "✔︎",
\ 'Ignored'   : '☒',
\ "Unknown"   : "?"
\ }

let g:NERDTreeShowIgnoredStatus=1


"==============================================================
" 文字與程式編輯
"==============================================================


"--------------------------------------------------------------
" 輸入自動配對：jiangmiao/auto-pairs
let g:AutoPairsFlyMode = 1
let g:AutoPairsShortcutBackInsert = '<M-b>'
let g:AutoPairs = {
    \'(':')', 
    \'[':']', 
    \'{':'}',
    \"'":"'",
    \'"':'"', 
    \"`":"`", 
    \'```':'```', 
    \'"""':'"""', 
    \"'''":"'''"
    \}
autocmd FileType html let b:AutoPairs = AutoPairsDefine({'{%' : '%}'})


"--------------------------------------------------------------
" 多遊標操作：vim-multiple-cursors ＝> Multiple cursor editting
"
" In normal mode...
"  - move the cursor to a variable, press <Ctrl+n>, <c>
"  - want to skip a certain occurance: <Ctrl+x>


"--------------------------------------------------------------
" Snippets: vim-snippets

" SnipMate
let g:UltiSnipsExpandTrigger       = "<c-j>"
let g:UltiSnipsJumpForwardTrigger  = "<c-j>"
let g:UltiSnipsJumpBackwardTrigger = "<c-p>"
let g:UltiSnipsListSnippets        = "<c-k>" "List possible snippets based on current file


"--------------------------------------------------------------
" Tag 快速輸入：Emmet

"let g:user_emmet_install_global=0
"autocmd FileType html,css EmmetInstall
"let g:user_emmet_leader_key='C-Y'

" Selet mode can enable Emmet
" let g:user_emmet_mode='n'    "only enable normal mode functions.
" let g:user_emmet_mode='inv'  "enable all functions, which is equal to
" let g:user_emmet_mode='a'    "enable all function in all mode.

" Enable just for html/css
"let g:user_emmet_install_global = 0
"autocmd FileType html,css EmmetInstall

" To remap the default <C-Y> leader:
let g:user_emmet_leader_key = ','



"--------------------------------------------------------------
" 程式碼語法檢查：Ale


let g:ale_lint_on_enter = 0
let g:ale_lint_on_text_changed = 'never'
let g:ale_echo_msg_error_str = 'E'
let g:ale_echo_msg_warning_str = 'W'
let g:ale_echo_msg_format = '[%linter%] %s [%severity%]'
let g:ale_linters = {'python': ['flake8']}


" "--------------------------------------------------------------
" " 程式碼輸入提示：NCM2
"
" enable ncm2 for all buffers
autocmd BufEnter * call ncm2#enable_for_buffer()

" IMPORTANT: :help Ncm2PopupOpen for more information
set completeopt=noinsert,menuone,noselect


" augroup NCM2
"     autocmd!
"     " enable ncm2 for all buffers
"     autocmd BufEnter * call ncm2#enable_for_buffer()
"     " :help Ncm2PopupOpen for more information
"     set completeopt=noinsert,menuone,noselect
"     " When the <Enter> key is pressed while the popup menu is visible, it only
"     " hides the menu. Use this mapping to close the menu and also start a new line.
"     inoremap <expr> <CR> (pumvisible() ? "\<c-y>\<cr>" : "\<CR>")
"
"     " Use <TAB> to select the popup menu:
"     inoremap <expr> <Tab> pumvisible() ? "\<C-N>" : "\<Tab>"
"     inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"
"
"     " wrap existing omnifunc
"     " Note that omnifunc does not run in background and may probably block the
"     " editor. If you don't want to be blocked by omnifunc too often, you could
"     " add 180ms delay before the omni wrapper:
"     "  'on_complete': ['ncm2#on_complete#delay', 180,
"     "               \ 'ncm2#on_complete#omni', 'csscomplete#CompleteCSS'],
"     au User Ncm2Plugin call ncm2#register_source({
"                 \ 'name' : 'css',
"                 \ 'priority': 9,
"                 \ 'subscope_enable': 1,
"                 \ 'scope': ['css','scss'],
"                 \ 'mark': 'css',
"                 \ 'word_pattern': '[\w\-]+',
"                 \ 'complete_pattern': ':\s*',
"                 \ 'on_complete': ['ncm2#on_complete#omni', 'csscomplete#CompleteCSS'],
"                 \ })
" augroup END


" shougo/neosnippet
let g:deoplete#enable_at_startup = 1

" " <C-k> to select-and-expand a snippet from the deoplete popup
" " (Use <C-n> and <C-p> to select it). <C-k> can also be used to jump
" " to the next field in the snippet.
" "
" " <Tab> to select the next field to fill in the snippet.
 
" Plugin key-mappings.
" Note: It must be "imap" and "smap".  It uses <Plug> mappings.
imap <C-k>     <Plug>(neosnippet_expand_or_jump)
smap <C-k>     <Plug>(neosnippet_expand_or_jump)
xmap <C-k>     <Plug>(neosnippet_expand_target)

" SuperTab like snippets behavior.
" Note: It must be "imap" and "smap".  It uses <Plug> mappings.

imap <expr><TAB>
\ pumvisible() ? "\<C-n>" :
\ neosnippet#expandable_or_jumpable() ?
\    "\<Plug>(neosnippet_expand_or_jump)" : "\<TAB>"

smap <expr><TAB> neosnippet#expandable_or_jumpable() ?
\ "\<Plug>(neosnippet_expand_or_jump)" : "\<TAB>"

" " For conceal markers.
" if has('conceal')
"   set conceallevel=2 concealcursor=niv
" endif
"

" Enable snipMate compatibility feature.
let g:neosnippet#enable_snipmate_compatibility = 1

" Tell Neosnippet about the other snippets
"let g:neosnippet#snippets_directory='~/.vim/vim-addons/vim-snippets/snippets'
let g:neosnippet#snippets_directory='~/.local/share/nvim/snippets'
 
" ncm2-neosnippet
" " Press enter key to trigger snippet expansion
" " The parameters are the same as `:help feedkeys()`
"inoremap <silent> <expr> <CR> ncm2_neosnippet#expand_or("\<CR>", 'n')


"--------------------------------------------------------------
" 註解標示：scrooloose/nerdcommenter


" nerdcommenter: Comment code
" https://vimawesome.com/plugin/nerdcommenter-may-fear-less
"
" Add spaces after comment delimiters by default
let g:NERDSpaceDelims = 1

" Use compact syntax for prettified multi-line comments
let g:NERDCompactSexyComs = 1

" Align line-wise comment delimiters flush left instead of following code indentation
let g:NERDDefaultAlign = 'left'

" Set a language to use its alternate delimiters by default
"let g:NERDAltDelims_java = 1

" Add your own custom formats or override the defaults
let g:NERDCustomDelimiters = { 'c': { 'left': '/**','right': '*/' } }

" Allow commenting and inverting empty lines (useful when commenting a region)
let g:NERDCommentEmptyLines = 1

" Enable trimming of trailing whitespace when uncommenting
let g:NERDTrimTrailingWhitespace = 1

" Enable NERDCommenterToggle to check all selected lines is commented or not 
let g:NERDToggleCheckAllLines = 1

" (1) Comment out the current line or text selected in visual mode.
"     : [count]<leader>cc
"nmap <leader>cc :NERDCommenterComment<CR>

" (2) Uncomments the selected line(s). ==> [count]<leader>cu
"nmap <leader>cu :NERDCommenterUncomment<CR>


"==============================================================
" 軟體開發輔助工具
"==============================================================


"--------------------------------------------------------------
" 終端機操作：Builtin terminal
"
"  - Open terminal: [:terminal]
"  - Open new v-window for terminal: [:vnew term://zsh]
"  - Open new h-window for terminal: [:new term://zsh]
"  - Close terminal: <Ctrl+\><Ctrl+n>
"  - Close terminal: 'exit'<Enter>


" 產生「終端機」視窗
nmap <leader>th <C-w>s<C-w>j:terminal<CR>
nmap <leader>tv <C-w>v<C-w>l:terminal<CR>


" noremap <F5> :new term://zsh<CR>
" noremap <F6> :vnew term://zsh<CR>


" 執行 Python 程式碼
nmap <F5> <C-W>v<C-W>l:ter python %<CR>i
"nmap <F5> :vnew term://python %<CR>i
nmap <F6> <C-W>s<C-W>j:ter python %<CR>i


"--------------------------------------------------------------
" ipdb 除錯器 
"
func! s:SetBreakpoint()
    cal append('.', repeat(' ', strlen(matchstr(getline('.'), '^\s*'))) . 'import ipdb; ipdb.set_trace()')
endf

func! s:RemoveBreakpoint()
    exe 'silent! g/^\s*import\sipdb\;\?\n*\s*ipdb.set_trace()/d'
endf

func! s:ToggleBreakpoint()
    if getline('.')=~#'^\s*import\sipdb' | cal s:RemoveBreakpoint() | el | cal s:SetBreakpoint() | en
endf
nnoremap <F6> :call <SID>ToggleBreakpoint()<CR>


"==============================================================
" 客製用 Vim Scripts
"==============================================================


" Dracula Mode (Dark)
function! ColorDracula()
    color dracula
    let g:airline_theme=''
    IndentLinesEnable
endfunction


" Forgotten Mode (Light)
function! ColorForgotten()
    " Light airline themes: tomorrow, silver, alduin
    " Light colors: forgotten-light, nemo-light
    let g:airline_theme='tomrrow'
    color forgotten-light
    IndentLinesDisable
endfunction


" Zazen Mode (Black & White)
function! ColorZazen()
    let g:airline_theme='badcat'
    color zazen
    IndentLinesEnable
endfunction


"--------------------------------------------------------------
" 程式碼編輯


" Python 專用
imap :: <ESC>A:<ESC>
imap EE <C-O>oelse:<C-O>o
imap <Enter><Enter> <ESC>o


" 搬移文字
nnoremap <M-j> :m .+1<CR>==
nnoremap <M-k> :m .-2<CR>==
inoremap <M-j> <Esc>:m .+1<CR>==gi
inoremap <M-k> <Esc>:m .-2<CR>==gi
vnoremap <M-j> :m '>+1<CR>gv=gv
vnoremap <M-k> :m '<-2<CR>gv=gv



" nnoremap ∆ :m .+1<CR>==     " <M-j>
" nnoremap ˚ :m .-2<CR>==     " <M-k>
"
" inoremap ∆ <Esc>:m .+1<CR>==gi
" inoremap ˚ <Esc>:m .-2<CR>==gi
"
" vnoremap ∆ :m '>+1<CR>gv=gv
" vnoremap ˚ :m '<-2<CR>gv=gv


"--------------------------------------------------------------
" Help 


" Plugins need to be added to runtimepath before helptags can be generated.
packloadall
" Load all of the helptags now, after plugins have been loaded.
" All messages and errors will be ignored.
silent! helptags ALL


"--------------------------------------------------------------
" 使用 Python 3 客製 VIM Plugin

if !has('python3')
    echo 'Error: Required vim compild with +python3'
    finish
endif


function! MyPlugin() 
python << EOF

print('Hello MyPlugin!')

EOF
endfunction

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