Merge pull request #5 from kyazdani42/user-keybindings

Feature: add option for user keybindings

README.md

@@ -31,6 +31,20 @@ let g:lua_tree_show_icons = {
 "1 by default, notice that if 'files' is 1, it will only display
 "if web-devicons is installed and on your runtimepath
 
+" You can edit keybindings be defining this variable
+" You don't have to define all keys.
+" NOTE: the 'edit' key will wrap/unwrap a folder and open a file
+let g:lua_tree_bindings = {
+    \ 'edit':        '<CR>',
+    \ 'edit_vsplit': '<C-v>',
+    \ 'edit_split':  '<C-x>',
+    \ 'edit_tab':    '<C-t>',
+    \ 'cd':          '.',
+    \ 'create':      'a',
+    \ 'remove':      'd',
+    \ 'rename':      'r'
+    \ }
+
 nnoremap <C-n> :LuaTreeToggle<CR>
 nnoremap <leader>r :LuaTreeRefresh<CR>
 nnoremap <leader>n :LuaTreeFindFile<CR>

doc/nvim-tree-lua.txt

@@ -109,6 +109,22 @@ INFORMATIONS				        *nvim-tree-info*
 - Double left click acts like '<CR>'
 - Double right click acts like '.'
 
+|g:lua_tree_bindings|                             *g:lua_tree_bindings*
+
+you can change default keybindings by defining this variable.
+default keybindings will be applied to undefined keys.
+>
+    let g:lua_tree_bindings = {
+	\ edit:        '<cr>',
+        \ edit_vsplit: '<c-v>',
+        \ edit_split:  '<c-x>',
+        \ edit_tab:    '<c-t>',
+        \ cd:          '.',
+        \ create:      'a',
+        \ remove:      'd',
+        \ rename:      'r'
+	\ }
+
 |Features|					*nvim-tree-features*
 
 File icons with vim-devicons.

doc/tags

@@ -3,6 +3,7 @@
 :LuaTreeToggle	nvim-tree-lua.txt	/*:LuaTreeToggle*
 g:lua_tree_auto_close	nvim-tree-lua.txt	/*g:lua_tree_auto_close*
 g:lua_tree_auto_open	nvim-tree-lua.txt	/*g:lua_tree_auto_open*
+g:lua_tree_bindings	nvim-tree-lua.txt	/*g:lua_tree_bindings*
 g:lua_tree_follow	nvim-tree-lua.txt	/*g:lua_tree_follow*
 g:lua_tree_ignore	nvim-tree-lua.txt	/*g:lua_tree_ignore*
 g:lua_tree_show_icons	nvim-tree-lua.txt	/*g:lua_tree_show_icons*

lua/lib/config.lua

@@ -27,10 +27,24 @@ local colors = {
     dark_red = get('terminal_color_9', 'DarkRed'),
 }
 
+local keybindings = get('lua_tree_bindings', {});
+
+local bindings = {
+    edit = keybindings.edit or '<CR>',
+    edit_vsplit = keybindings.edit_vsplit or '<C-v>',
+    edit_split = keybindings.edit_split or '<C-x>',
+    edit_tab = keybindings.edit_tab or '<C-t>',
+    cd = keybindings.cd or '.',
+    create = keybindings.create or 'a',
+    remove = keybindings.remove or 'd',
+    rename = keybindings.remove or 'r',
+}
+
 return {
     SHOW_FOLDER_ICON = SHOW_FOLDER_ICON,
     SHOW_FILE_ICON = SHOW_FILE_ICON,
     SHOW_GIT_ICON = SHOW_GIT_ICON,
-    colors = colors
+    colors = colors,
+    bindings = bindings
 }
 

lua/lib/winutils.lua

@@ -8,6 +8,8 @@ local highlight = libformat.highlight_buffer
 local stateutils = require 'lib/state'
 local get_tree = stateutils.get_tree
 
+local bindings = require 'lib/config'.bindings
+
 local function get_buf()
     local regex = '.*'..BUF_NAME..'$';
 
@@ -132,16 +134,16 @@ local function set_mappings()
     if not buf then return end
 
     local mappings = {
-        ['<CR>'] = 'open_file("edit")';
         ['<2-LeftMouse>'] = 'open_file("edit")';
         ['<2-RightMouse>'] = 'open_file("chdir")';
-        ['<C-v>'] = 'open_file("vsplit")';
-        ['<C-x>'] = 'open_file("split")';
-        ['<C-t>'] = 'open_file("tabnew")';
-        ['.'] = 'open_file("chdir")';
-        a = 'edit_file("create")';
-        d = 'edit_file("remove")';
-        r = 'edit_file("rename")';
+        [bindings.edit] = 'open_file("edit")';
+        [bindings.edit_vsplit] = 'open_file("vsplit")';
+        [bindings.edit_split] = 'open_file("split")';
+        [bindings.edit_tab] = 'open_file("tabnew")';
+        [bindings.cd] = 'open_file("chdir")';
+        [bindings.create] = 'edit_file("create")';
+        [bindings.remove] = 'edit_file("remove")';
+        [bindings.rename] = 'edit_file("rename")';
     }
 
     for k,v in pairs(mappings) do