Merge branch 'add-nerdtree-plugin'

Author: kaimingguo

README.md

@@ -131,6 +131,14 @@ Normal:
 
 - `<esc><esc>`: Disable highlight search word.
 
+### NerdTree
+
+- `<F2>`: Toggle NERDTree split window.
+
+### Tagbar
+
+- `<F3>`: Toggle tagbar split window.
+
 ## Commands
 
 ### Plugins Commands
@@ -148,6 +156,13 @@ Normal:
 
 For more information, see `:help fugitive`.
 
+#### NerdTree (NerdTree-Tabs)
+
+- `:NerdTreeTabsOpen`: Switches NERDTree on for all tabs.
+- `:NerdTreeTabsClose`: Switches NERDTree off for all tabs.
+
+For more information, see [nerdtree-tabs-key-mappings](https://github.com/jistr/vim-nerdtree-tabs#commands-and-mappings).
+
 ## Plugin List
 
 <!-- prettier-ignore-start -->
@@ -157,7 +172,11 @@ For more information, see `:help fugitive`.
 | [incsearch.vim](https://github.com/haya14busa/incsearch.vim) [:gear:](./plug_plugins/incsearch.vim) | 🔦 Improved incremental searching for Vim |
 | [lightline.vim](https://github.com/itchyny/lightline.vim) [:gear:](./plug_plugins/lightline.vim) | A light and configurable statusline/tabline plugin for Vim |
 | [molokai](https://github.com/tomasr/molokai) [:gear:](./plug_plugins/molokai.vim) | Molokai color scheme for Vim |
+| [nerdtree](https://github.com/vim-nerdtree/nerdtree) [:gear:](./plug_plugins/nerdtree.vim) | A tree explorer plugin for vim. |
+| [tagbar](https://github.com/majutsushi/tagbar) [:gear:](./plug_plugins/tagbar.vim) | Vim plugin that displays tags in a window, ordered by scope |
 | [vim-fugitive](https://github.com/tpope/vim-fugitive) [:gear:](./plug_plugins/vim-fugitive.vim) | fugitive.vim: A Git wrapper so awesome, it should be illegal |
+| [vim-nerdtree-syntax-highlight](https://github.com/tiagofumo/vim-nerdtree-syntax-highlight) [:gear:](./plug_plugins/vim-nerdtree-syntax-highlight.vim) | Extra syntax and highlight for nerdtree files |
+| [vim-nerdtree-tabs](https://github.com/jistr/vim-nerdtree-tabs) [:gear:](./plug_plugins/vim-nerdtree-tabs.vim) | NERDTree and tabs together in Vim, painlessly |
 | [vim-polyglot](https://github.com/sheerun/vim-polyglot) [:gear:](./plug_plugins/vim-polyglot.vim) | A solid language pack for Vim. |
 | [vim-signify](https://github.com/mhinz/vim-signify) [:gear:](./plug_plugins/vim-signify.vim) | :heavy_plus_sign: Show a diff using Vim its sign column. |
 | [vimwiki](https://github.com/vimwiki/vimwiki) [:gear:](./plug_plugins/vimwiki.vim) | Personal Wiki for Vim |

plug_plugins/nerdtree.vim

@@ -0,0 +1,35 @@
+" Copyright (c) 2019-present Kaiming Guo. All rights reserved.
+" Use of this source code is governed by a BSD-style license that can be
+" found in the LICENSE file.
+
+if exists('g:plug_installing_plugins')
+  Plug 'scrooloose/nerdtree'
+  finish
+endif
+
+if has('autocmd')
+  augroup auto_nerdtree_settings
+    autocmd!
+
+    " close vim if NERDTree is the last buffer
+    autocmd BufEnter * if (winnr('$') is# 1 && exists('b:NERDTree')
+      \&& b:NERDTree.isTabTree()) | q | endif
+
+    autocmd FileType nerdtree setlocal nocursorline
+  augroup END
+endif
+
+let g:NERDTreeShowBookmarks = 1
+let g:NERDTreeChDirMode = 1
+let g:NERDTreeMinimalUI = 1
+let g:NERDTreeHighlightCursorLine = 0
+let g:NERDTreeWinSize = 30
+let g:NERDTreeMapOpenInTabSilent = '<RightMouse>'
+let g:NERDTreeNodeDelimiter = "\u00a0"
+let g:NERDTreeIgnore = [
+  \ '\.rbc$', '\~$', '\.pyc$', '\.db$', '\.sqlite$', '__pycache__' ]
+let g:NERDTreeSortOrder = ['^__\.py$', '\/$', '*', '\.swp$', '\.bak$', '\~$']
+
+nnoremap <silent> <F2> :NERDTreeToggle<cr>:wincmd =<cr>
+
+" vim: set sw=2 ts=2 et tw=78 :

plug_plugins/tagbar.vim

@@ -0,0 +1,12 @@
+" Copyright (c) 2019-present Kaiming Guo. All rights reserved.
+" Use of this source code is governed by a BSD-style license that can be
+" found in the LICENSE file.
+
+if exists('g:plug_installing_plugins')
+  Plug 'majutsushi/tagbar'
+  finish
+endif
+
+nmap <silent> <F3> :TagbarToggle<cr>
+
+" vim: set sw=2 ts=2 et tw=78 :

plug_plugins/vim-nerdtree-syntax-highlight.vim

@@ -0,0 +1,12 @@
+" Copyright (c) 2019-present Kaiming Guo. All rights reserved.
+" Use of this source code is governed by a BSD-style license that can be
+" found in the LICENSE file.
+
+if exists('g:plug_installing_plugins')
+  Plug 'tiagofumo/vim-nerdtree-syntax-highlight'
+  finish
+endif
+
+let g:NERDTreeFileExtensionHighlightFullName = 1
+
+" vim: set sw=2 ts=2 et tw=78 :

plug_plugins/vim-nerdtree-tabs.vim

@@ -0,0 +1,10 @@
+" Copyright (c) 2019-present Kaiming Guo. All rights reserved.
+" Use of this source code is governed by a BSD-style license that can be
+" found in the LICENSE file.
+
+if exists('g:plug_installing_plugins')
+  Plug 'jistr/vim-nerdtree-tabs'
+  finish
+endif
+
+" vim: set sw=2 ts=2 et tw=78 :