vimrc.plugin

filetype plugin indent on
set nocompatible              " be iMproved

let mapleader = " "
syntax on

set number
set relativenumber
set background=dark
set colorcolumn=100
set backspace=2
set mouse=a
set mousemodel=popup_setpos
set mousehide
set nowrap
set scrolloff=3 "上下滚动时保留头部和尾部3行，方便阅读上下文
set autoindent
set wildmenu
set wildmode=list:longest

"search
set ignorecase smartcase " 搜索时忽略大小写，但在有一个或以上大写字母时仍保持对大小写敏感
set nowrapscan " 禁止在搜索到文件两端时重新搜索

" highlight current line
set nocursorline "cursorcolumn
set hlsearch
nnoremap <leader>hl :nohlsearch<cr>

set splitbelow
set splitright

" 查询到匹配关键字时移到屏幕中间
nnoremap <silent> n nzz
nnoremap <silent> n nzz
nnoremap <silent> * *zz
nnoremap <silent> # #zz
nnoremap <silent> g* g*zz

" make c-c same as esc
imap <c-c> <esc>

nnoremap <leader>p :set invpaste paste?<cr>
map \\ :q<cr>

"缩进时不影响已选取的可视化区域
vnoremap < <gv
vnoremap > >gv

" 通过 w!! 强制保存
cmap w!! w !sudo tee >/dev/null %

" 在命令模式下，可以类似bash下的ctrl+a/e 快速跳转
cnoremap <c-a> <home>
cnoremap <c-h> <left>
cnoremap <c-l> <right>
cnoremap <c-e> <end>

nnoremap <leader>t :terminal<cr>
set termwinsize=10x0

" airline extention.
let g:airline#extensions#ale#enabled = 1 " 提示消息格式

" uncomment the following to have vim jump to the last position when
" reopening a file
if has("autocmd")
  au bufreadpost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
endif


nmap <leader>q :call togglequickfixlist()<cr>
nmap <leader>l :call togglelocallist()<cr>

"close the preview window
nmap <leader>z :wincmd z<cr> 

"split navigations
nnoremap <C-j> :wincmd j<CR> 
nnoremap <C-k> :wincmd k<CR> 
nnoremap <C-l> :wincmd l<CR> 
nnoremap <C-h> :wincmd h<CR> 

"INDENT
set shiftwidth=4 " 设定 << 和 >> 命令移动时的宽度为 4
set softtabstop=4 " 使得按退格键时可以一次删掉 4 个空格
set tabstop=4 " 设定 tab 长度为 4
"set expandtab "tab 变成空格

" Yank to system register
"nnoremap y "*y
"set clipboard=unnamed


"------ Plugins Start ------

nnoremap <C-p> :Files<CR>
nnoremap <C-s> :Rg<CR>

" Nerdtree
map <C-n> :NERDTreeToggle<CR>
autocmd bufenter * if (winnr("$") == 1 && exists("b:nerdtree") && b:nerdtree.istabtree()) | q | endif

"tagbar.vim
nnoremap <silent> <C-y> :TagbarToggle<CR>

" Indent Guide
let g:indent_guides_enable_on_vim_startup = 1

call plug#begin('~/.vim/plugged')
Plug 'fatih/vim-go', { 'do': ':GoUpdateBinaries' }
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
Plug 'preservim/tagbar'
"Plug 'nathanaelkane/vim-indent-guides'
Plug 'scrooloose/nerdtree', { 'on':  'NERDTreeToggle' }
Plug 'Xuyuanp/nerdtree-git-plugin'
Plug 'Raimondi/delimitMate'
Plug 'ervandew/supertab'
Plug 'vim-airline/vim-airline'
Plug 'milkypostman/vim-togglelist'
Plug 'dense-analysis/ale'
call plug#end()

"------ Plugins End ------

"
" ALE
let g:ale_completion_enabled = 1
set omnifunc=ale#completion#OmniFunc
nnoremap <C-]> :ALEGoToDefinition<CR>
nnoremap <leader>] :ALEGoToDefinition<CR>
nnoremap <leader>[ :ALEFindReferences<CR>
nnoremap <leader>h :ALEHover<CR>
nnoremap <leader>x :ALESymbolSearch <C-r><C-w><CR>
let g:airline#extensions#ale#enabled = 1
let g:ale_lint_on_text_changed = 'never'
let g:ale_lint_on_insert_leave = 0
let g:ale_lint_on_enter = 0
let g:ale_list_vertical = 1

let g:SuperTabDefaultCompletionType = "<c-n>"

"------ Golang -------- Start
autocmd FileType go nmap <leader>b  <Plug>(go-build)
autocmd FileType go nmap <leader>r  <Plug>(go-run)
autocmd FileType go nmap <leader>f  <Plug>(go-fmt)
nnoremap <C-]> :GoDef<CR>
nnoremap <leader>] :GoDef<CR>
nnoremap <leader>[ :GoReferrers<CR>
set autowrite
"------ Golang -------- End