From e8c1a06d0e63fcf6d383dd3f1be14e4b095466e6 Mon Sep 17 00:00:00 2001
From: Oxbian <got.dacs@slmail.me>
Date: Sun, 2 Jul 2023 20:39:30 +0200
Subject: Updating vim & documentation

---
 .vim/keymaps.vim |  40 +++++++++++++++++---
 .vim/options.vim |   6 +--
 .vim/plugins.vim | 109 ++++++++++++++++++++++++++++++++++++++++++-------------
 readme.md        |  27 +++++++++-----
 4 files changed, 139 insertions(+), 43 deletions(-)

diff --git a/.vim/keymaps.vim b/.vim/keymaps.vim
index 1345178..57f9e8d 100644
--- a/.vim/keymaps.vim
+++ b/.vim/keymaps.vim
@@ -2,6 +2,12 @@
 "	Keymaps
 """""""""""""""""""""""""""""
 
+let g:mapleader = "\<Space>"
+let g:maplocalleader = ','
+nnoremap <silent> <leader>      :<c-u>WhichKey '<Space>'<CR>
+nnoremap <silent> <localleader> :<c-u>WhichKey  ','<CR>
+
+
 """"""""""""""""""""
 " Window movement
 """"""""""""""""""""
@@ -38,10 +44,10 @@ map <leader>bd :Bclose<cr>:tabclose<cr>gT
 map <leader>ba :bufdo bd<cr>
 
 " Go to the next buffer
-map <leader>]b :bnext<cr>
+map <leader>bn :bnext<cr>
 
 " Go to the previous buffer
-map <leader>[b :bprevious<cr>
+map <leader>bp :bprevious<cr>
 
 """"""""""""""""""""""""""""
 " Tabs
@@ -89,18 +95,19 @@ au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g
 """""""""""""""""""""""
 
 " Toggle nerdtree
-nnoremap <C-f> :NERDTreeToggle<CR>
+nnoremap <C-f> :Fern .<CR>
 
 """"""""""""""""""""
 " GitGutter
 """"""""""""""""""""
+
 let g:gitgutter_enabled=1 " Enable by default gitgutter
 
 " Go to the previous hunk
-nnoremap <leader>[h <Plug>(GitGutterPrevHunk)
+nnoremap <leader>hp <Plug>(GitGutterPrevHunk)
 
 " Go to the next hunk
-nnoremap <leader>]h <Plug>(GitGutterNextHunk)
+nnoremap <leader>hn <Plug>(GitGutterNextHunk)
 
 " Enable / Disable GitGutter
 nnoremap <leader>ht <Plug>(GitGutterToggle)
@@ -112,7 +119,7 @@ nnoremap <leader>hs <Plug>(GitGutterStageHunk)
 nnoremap <leader>hu <Plug>(GitGutterUndoHunk)
 
 " Preview Hunk
-nnoremap <leader>hp :GitGutterPreviewHunk<CR>
+nnoremap <leader>hP :GitGutterPreviewHunk<CR>
 
 " Always show the status line
 set laststatus=2
@@ -139,16 +146,37 @@ map <leader>s? z=
 """""""""""""""""""
 " LSP
 """""""""""""""""""
+
 inoremap <silent><expr> <TAB> pumvisible() ? "\<C-n>" : "\<TAB>"
 inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
 
+" Go to definition
 nnoremap <leader>ld :LspDefinition<cr>
+
+" Go next diagnostic
 nnoremap <leader>lnd :LspNextDiagnostic<cr>
+
+" Go previous diagnostic
 nnoremap <leader>lpd :LspPreviousDiagnostic<cr>
+
+" Go to reference
 nnoremap <leader>lf :LspReferences<cr>
+
+" Rename object
 nnoremap <leader>lr :LspRename<cr>
+
+" LSP stop server
 nnoremap <leader>ls :LspStopServer<cr>
+
+" peek definition of object
 nnoremap <leader>lp :LspPeekDefinition<cr>
+
+" Code Action
 nnoremap <leader>la :LspCodeAction<cr>
+
+" Hover information
 nnoremap <leader>lh :LspHover<cr>
+
+" Format document
 nnoremap <leader>ldf :LspDocumentFormat<cr> 
+
diff --git a/.vim/options.vim b/.vim/options.vim
index 431bfc7..353b9a5 100644
--- a/.vim/options.vim
+++ b/.vim/options.vim
@@ -1,6 +1,3 @@
-" Mapping
-let mapleader =" " " Set mapleader
-
 " Search options
 set incsearch " Search for partial typed match
 set ignorecase " Search not case sensitive
@@ -89,3 +86,6 @@ set ffs=unix,dos,mac
 set nobackup
 set nowb
 set noswapfile
+
+" Timeout 
+set timeoutlen=500
diff --git a/.vim/plugins.vim b/.vim/plugins.vim
index a98a9d2..53c76aa 100644
--- a/.vim/plugins.vim
+++ b/.vim/plugins.vim
@@ -17,9 +17,13 @@ call plug#begin('~/.vim/plugged')
 " UI & Themes
 Plug 'joshdick/onedark.vim' " Onedark themes for vim
 Plug 'vim-airline/vim-airline' " Vim statusline
-Plug 'preservim/nerdtree' " Filetree in vim
-Plug 'ryanoasis/vim-devicons' " Icons for vim
-Plug 'tiagofumo/vim-nerdtree-syntax-highlight' " Syntax in nerdtree for files extension
+Plug 'lambdalisue/fern.vim' " Filetree in vim
+Plug 'lambdalisue/fern-hijack.vim' " Open directory with fern
+Plug 'lambdalisue/fern-renderer-devicons.vim' " Icon in fern
+Plug 'ryanoasis/vim-devicons' " Devicons
+Plug 'lambdalisue/fern-mapping-git.vim' " Fern git mapping
+Plug 'andykog/fern-copynode.vim' " Fern copy node
+Plug 'lambdalisue/fern-git-status.vim' " Fern git status
 Plug 'liuchengxu/vim-which-key' " Show leader mapping cheatsheet
 
 " Git integration
@@ -45,39 +49,94 @@ if !exists('g:airline_symbols')
     let g:airline_symbols = {}
 endif
 let g:airline_symbols.colnr = ' ㏇:'
-let g:airline_symbols.colnr = ' ℅:'
 let g:airline_symbols.crypt = '🔒'
-let g:airline_symbols.linenr = ' ☰'
-let g:airline_symbols.linenr = ' ␊:'
-let g:airline_symbols.linenr = ' ␤:'
 let g:airline_symbols.linenr = ' ¶'
 let g:airline_symbols.maxlinenr = ''
-let g:airline_symbols.maxlinenr = ' ㏑'
 let g:airline_symbols.branch = '⎇'
 let g:airline_symbols.paste = 'ρ'
-let g:airline_symbols.paste = 'Þ'
-let g:airline_symbols.paste = '∥'
 let g:airline_symbols.spell = 'Ꞩ'
 let g:airline_symbols.notexists = 'Ɇ'
-let g:airline_symbols.notexists = '∄'
 let g:airline_symbols.whitespace = ' Ξ'
 
 " VIM lsp
 let g:lsp_diagnostics_echo_cursor = 1
 let g:lsp_diagnostics_virtual_text_enabled = 0
 
-" NerdTree
-let NERDTreeShowHidden=1 " Show hidden files
-let NERDTreeQuitOnOpen = 1 " Close a nerdtree after opening the file
-
-" Close the tab if NERDTree is the only window remaining in it.
-autocmd BufEnter * if winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
-
-" If another buffer tries to replace NERDTree, put it in the other window, and bring back NERDTree.
-autocmd BufEnter * if bufname('#') =~ 'NERD_tree_\d\+' && bufname('%') !~ 'NERD_tree_\d\+' && winnr('$') > 1 |
-    \ let buf=bufnr() | buffer# | execute "normal! \<C-W>w" | execute 'buffer'.buf | endif
-
-" If more than one window and previous buffer was NERDTree, go back to it.
-autocmd BufEnter * if bufname('#') =~# "^NERD_tree_" && winnr('$') > 1 | b# | endif
-
+" Fern
+let g:fern#default_hidden = 1
+let g:fern#renderer = 'devicons'
+let g:fern_renderer_devicons_disable_warning = 1
+
+" Multi window select in which you open the file
+function! s:init_fern() abort
+  " Use 'select' instead of 'edit' for default 'open' action
+  nmap <buffer> <Plug>(fern-action-open) <Plug>(fern-action-open:select)
+endfunction
+
+augroup fern-custom
+  autocmd! *
+  autocmd FileType fern call s:init_fern()
+augroup END
+
+" Which Key
+call which_key#register('<Space>', "g:which_key_map")
+let g:which_key_map =  {}
+
+" Buffer key help
+let g:which_key_map.b = { 
+    \ 'name' : '+buffer',
+    \ 'd' : 'current buffer close',
+    \ 'a' : 'close all buffers',
+    \ 'n' : 'go to next buffer',
+    \ 'p' : 'go to previous buffer', 
+    \ }
+
+" Tab key help
+let g:which_key_map.t = { 
+    \ 'name' : '+tab',
+    \ 't<leader>' : 'go to next tab',
+    \ 'n' : 'open new tab',
+    \ 'o' : 'close other tabs',
+    \ 'c' : 'close current tab',
+    \ 'm' : 'move tab after another',
+    \ 'l' : 'switch between this & last tab',
+    \ 'e' : 'open new tab with current buffer',
+    \ }
+
+" Spell key help
+let g:which_key_map.s = { 
+    \ 'name' : '+spell',
+    \ 's' : 'toggle spell check',
+    \ 'n' : 'next spell word',
+    \ 'p' : 'previous spell word',
+    \ 'a' : 'add word in dict',
+    \ '?' : 'list word alternatives',
+    \ }
+
+" Hunk key help
+let g:which_key_map.h = { 
+    \ 'name' : '+git hunk',
+    \ 'l' : 'remove highlight',
+    \ 'p' : 'go previous hunk',
+    \ 'n' : 'go next hunk',
+    \ 't' : 'enable/disable gitgutter',
+    \ 's' : 'stage hunk',
+    \ 'u' : 'undo hunk',
+    \ 'P' : 'preview hunk',
+    \ }
+
+" LSP key help
+let g:which_key_map.l = { 
+    \ 'name' : '+LSP',
+    \ 'd' : 'go to definition',
+    \ 'nd' : 'next diagnostic',
+    \ 'pd' : 'previous diagnostic',
+    \ 'f' : 'go to reference',
+    \ 'r' : 'rename object',
+    \ 's' : 'stop LSP server',
+    \ 'p' : 'peek definition',
+    \ 'a' : 'code action',
+    \ 'h' : 'hover information',
+    \ 'df' : 'format document',
+    \ }
 
diff --git a/readme.md b/readme.md
index b4a0bae..751f18e 100644
--- a/readme.md
+++ b/readme.md
@@ -21,7 +21,13 @@ This config has just the necessary plugins installed:
 
 - [OneDark](https://github.com/joshdick/onedark.vim) onedark theme.
 - [Vim Airline](https://github.com/vim-airline/vim-airline) Vim statusline.
-- [NerdTree](https://github.com/preservim/nerdtree) to have a file tree in vim.
+- [Fern](https://github.com/lambdalisue/fern.vim) to have a file tree in vim.
+- [Fern hijack](https://github.com/lambdaalisue/fern-hijack.vim) to open folder preview with fern.
+- [Fern renderer devicons](https://github.com/lambdalisue/fern-renderer-devicons.vim) to have devicons in fern.
+- [Fern git mapping](https://github.com/lambdalisue/fern-mapping-git.vim) to add git stage & unstage in fern.
+- [Fern copy node](https://github.com/andykog/fern-copynode.vim) to copy filename or foldername or filepath or folderpath.
+- [Fern git status](https://github.com/lambdalisue/fern-git-status.vim.git) show file git status in fern.
+- [Vim which key](https://github.com/liuchengxu/vim-which-key) show leader keybinds in a GUI.
 - [Vim devicons](https://github.com/ryanoasis/vim-devicons) language icons for vim.
 - [Vim nerdtree syntax highlighting](https://github.com/tiagofumo/vim-nerdtree-syntax-highlight) nerdtree syntax highlighting
 - [Vim gitgutter](https://github.com/airblade/vim-gitgutter) to see diff between files with git.
@@ -47,8 +53,8 @@ This config has just the necessary plugins installed:
 
 - `<leader>bd` close the current buffer,
 - `<leader>ba` close all the buffers,
-- `<leader>]b` go to the next buffer,
-- `<leader>[b` go to the precedent buffer,
+- `<leader>bn` go to the next buffer,
+- `<leader>bp` go to the precedent buffer,
 
 #### Tabs
 
@@ -70,19 +76,22 @@ This config has just the necessary plugins installed:
 
 More help at `:help spell`
 
-### NerdTree
+### Fern
 
-For help, use `:help NERDTree`.
+For help, use `:help fern`.
 Keybinds:
-- `Ctrl+f` open or close the nerdtree window
+- `Ctrl+f` open the treeview in the current window
+- `ga` stage a file or unstage if already stagged (TODO)
+- `cp` copy node name (file, folder..)
+- `cP` copy node path
 
 ### Vim Gutter
 
 For help, use `:help gitgutter`.  
 Keybinds:
-- `[h` go to the previous hunk,
-- `]h` go to the next hunk,
-- `<leader>hp` to preview hunk,
+- `<leader>hp` go to the previous hunk,
+- `<leader>hn` go to the next hunk,
+- `<leader>hP` to preview hunk,
 - `<leader>hs` to stage hunk,
 - `<leader>hu` to undo hunk,
 - `<leader>ht` to toggle GitGutter.
-- 
cgit v1.2.3