Switched buffer bar to lightline-buffer

vim/.vimrc

@@ -80,7 +80,12 @@ nnoremap <S-Tab> :bprev<CR>
 nnoremap <space> za
 
 " NERDTree, open/close toggle
-map <C-n> :NERDTreeToggle<CR>
+" map <C-n> :NERDTreeToggle<CR>
+
+map <C-n> :NnnPicker<CR>
+
+" Opens the nnn window in a split
+let g:nnn#layout = { 'left': '~30%' } " or right, up, down
 
 "lightline colorscheme
 let g:lightline = {'colorscheme': 'powerline',}
@@ -92,16 +97,17 @@ call plug#begin('~/.vim/plugged') " vim-plug
 
 Plug 'VundleVim/Vundle.vim'
 Plug 'tpope/vim-fugitive'
-Plug 'scrooloose/nerdtree'
+"Plug 'scrooloose/nerdtree'
 Plug 'tmhedberg/SimpylFold'
 Plug 'vim-scripts/indentpython.vim'
 Plug 'scrooloose/syntastic'
 Plug 'nvie/vim-flake8'    " PEP 8 checking plugin
 Plug 'itchyny/lightline.vim'
+Plug 'taohexxx/lightline-buffer'
 "Plug 'klen/python-mode'
 Plug 'davidhalter/jedi-vim'
 Plug 'tpope/vim-surround'
-Plug 'ap/vim-buftabline'
+"Plug 'ap/vim-buftabline'
 Plug 'wellle/targets.vim'
 Plug 'junegunn/goyo.vim'
 Plug 'junegunn/fzf.vim'
@@ -110,3 +116,29 @@ Plug 'mcchrish/nnn.vim'
 call plug#end() " end vim-plug
 
 filetype plugin indent on    " required
+
+" use lightline-buffer in lightline
+let g:lightline = {
+    \ 'tabline': {
+    \   'left': [ [ 'bufferinfo' ],
+    \             [ 'separator' ],
+    \             [ 'bufferbefore', 'buffercurrent', 'bufferafter' ], ],
+    \   'right': [ [ 'close' ], ],
+    \ },
+    \ 'component_expand': {
+    \   'buffercurrent': 'lightline#buffer#buffercurrent',
+    \   'bufferbefore': 'lightline#buffer#bufferbefore',
+    \   'bufferafter': 'lightline#buffer#bufferafter',
+    \ },
+    \ 'component_type': {
+    \   'buffercurrent': 'tabsel',
+    \   'bufferbefore': 'raw',
+    \   'bufferafter': 'raw',
+    \ },
+    \ 'component_function': {
+    \   'bufferinfo': 'lightline#buffer#bufferinfo',
+    \ },
+    \ 'component': {
+    \   'separator': '',
+    \ },
+    \ }