" ===================================================
" ==================== VIM PLUGS ====================
" ===================================================
call plug#begin()

    Plug 'yianwillis/vimcdoc'
    Plug 'preservim/nerdtree'
    Plug 'preservim/nerdcommenter'

    Plug 'vim-airline/vim-airline'
    Plug 'vim-airline/vim-airline-themes'

    Plug 'liuchengxu/vim-which-key', { 'on': ['WhichKey', 'WhichKey!'] }

    Plug 'tpope/vim-fugitive'
    Plug 'mhinz/vim-signify'
    Plug 'gisphm/vim-gitignore', { 'for': ['gitignore', 'vim-plug'] }

    Plug 'neoclide/coc.nvim', {'branch': 'release'}

    Plug 'Yggdroot/LeaderF', { 'do': ':LeaderfInstallCExtension' }

call plug#end()


" ================== NERDTree Config ==================
nnoremap <leader>n :NERDTreeFocus<CR>
nnoremap <C-n> :NERDTree<CR>
nnoremap <C-t> :NERDTreeToggle<CR>
nnoremap <C-f> :NERDTreeFind<CR>


" ================== nerdcommenter Config ==================
let g:NERDTreeShowHidden=1
" 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
" \cc 注释当前行和选中行
" \cn 没有发现和\cc有区别
" \c<空格> 如果被选区域有部分被注释，则对被选区域执行取消注释操作，其它情况执行反转注释操作
" \cm 对被选区域用一对注释符进行注释，前面的注释对每一行都会添加注释
" \ci 执行反转注释操作，选中区域注释部分取消注释，非注释部分添加注释
" \cs 添加性感的注释，代码开头介绍部分通常使用该注释
" \cy 添加注释，并复制被添加注释的部分
" \c$ 注释当前光标到改行结尾的内容
" \cA 跳转到该行结尾添加注释，并进入编辑模式
" \ca 转换注释的方式，比如：/**/和//
" \cl \cb 左对齐和左右对其，左右对其主要针对/**/
" \cu 取消注释


" ================== vim-airline Config ==================
set laststatus=2  "永远显示状态栏
let g:airline_powerline_fonts = 1  " 支持 powerline 字体
let g:airline#extensions#tabline#enabled = 1 " 显示窗口tab和buffer
let g:airline_theme='murmur'  " murmur配色不错
if !exists('g:airline_symbols')
    let g:airline_symbols = {}
endif
let g:airline_left_sep = '▶'
let g:airline_left_alt_sep = '❯'
let g:airline_right_sep = '◀'
let g:airline_right_alt_sep = '❮'
let g:airline_symbols.linenr = '¶'
let g:airline_symbols.branch = '⎇'


" ================== vim-which-key Config ==================
nnoremap <silent> <leader> :WhichKey '<Space>'<CR>
nnoremap <silent> s :WhichKey 's'<CR>


" ================== LeaderF Config ==================
let g:Lf_WindowPosition = 'popup'
let g:Lf_PreviewInPopup = 1