refactor(#2826): multi instance nvim-tree.view

lua/nvim-tree/actions/finders/find-file.lua

@@ -1,5 +1,4 @@
 local log = require "nvim-tree.log"
-local view = require "nvim-tree.view"
 local utils = require "nvim-tree.utils"
 local renderer = require "nvim-tree.renderer"
 local reload = require "nvim-tree.explorer.reload"
@@ -13,7 +12,8 @@ local running = {}
 ---Find a path in the tree, expand it and focus it
 ---@param path string relative or absolute
 function M.fn(path)
-  if not core.get_explorer() or not view.is_visible() then
+  local explorer = core.get_explorer()
+  if not explorer or not explorer.view:is_visible() then
     return
   end
 
@@ -75,9 +75,9 @@ function M.fn(path)
     end)
     :iterate()
 
-  if found and view.is_visible() then
+  if found and explorer.view:is_visible() then
     renderer.draw()
-    view.set_cursor { line, 0 }
+    explorer.view:set_cursor { line, 0 }
   end
 
   running[path_real] = false

lua/nvim-tree/actions/fs/remove-file.lua

@@ -1,6 +1,5 @@
 local utils = require "nvim-tree.utils"
 local events = require "nvim-tree.events"
-local view = require "nvim-tree.view"
 local lib = require "nvim-tree.lib"
 local notify = require "nvim-tree.notify"
 
@@ -10,10 +9,14 @@ local M = {
 
 ---@param windows integer[]
 local function close_windows(windows)
+  local explorer = require "nvim-tree.core".get_explorer()
+  if not explorer then
+    return
+  end
   -- Prevent from closing when the win count equals 1 or 2,
   -- where the win to remove could be the last opened.
   -- For details see #2503.
-  if view.View.float.enable and #vim.api.nvim_list_wins() < 3 then
+  if explorer.view.View.float.enable and #vim.api.nvim_list_wins() < 3 then
     return
   end
 
@@ -26,16 +29,20 @@ end
 
 ---@param absolute_path string
 local function clear_buffer(absolute_path)
+  local explorer = require "nvim-tree.core".get_explorer()
+  if not explorer then
+    return
+  end
   local bufs = vim.fn.getbufinfo { bufloaded = 1, buflisted = 1 }
   for _, buf in pairs(bufs) do
     if buf.name == absolute_path then
       local tree_winnr = vim.api.nvim_get_current_win()
-      if buf.hidden == 0 and (#bufs > 1 or view.View.float.enable) then
+      if buf.hidden == 0 and (#bufs > 1 or explorer.view.View.float.enable) then
         vim.api.nvim_set_current_win(buf.windows[1])
         vim.cmd ":bn"
       end
       vim.api.nvim_buf_delete(buf.bufnr, { force = true })
-      if not view.View.float.quit_on_focus_loss then
+      if not explorer.view.View.float.quit_on_focus_loss then
         vim.api.nvim_set_current_win(tree_winnr)
       end
       if M.config.actions.remove_file.close_window then

lua/nvim-tree/actions/moves/item.lua

@@ -1,5 +1,4 @@
 local utils = require "nvim-tree.utils"
-local view = require "nvim-tree.view"
 local core = require "nvim-tree.core"
 local lib = require "nvim-tree.lib"
 local explorer_node = require "nvim-tree.explorer.node"
@@ -60,10 +59,14 @@ local function move(where, what, skip_gitignored)
     end
   end
 
+  local explorer = core.get_explorer()
+  if not explorer then
+    return
+  end
   if nex then
-    view.set_cursor { nex, 0 }
+    explorer.view:set_cursor { nex, 0 }
   elseif vim.o.wrapscan and first then
-    view.set_cursor { first, 0 }
+    explorer.view:set_cursor { first, 0 }
   end
 end
 
@@ -182,13 +185,19 @@ local function move_prev_recursive(what, skip_gitignored)
 
       -- 4.3)
       if node_init.name == ".." then -- root node
-        view.set_cursor { 1, 0 } -- move to root node (position 1)
+        local explorer = core.get_explorer()
+        if explorer then
+          explorer.view:set_cursor { 1, 0 } -- move to root node (position 1)
+        end
       else
         local node_init_line = utils.find_node_line(node_init)
         if node_init_line < 0 then
           return
         end
-        view.set_cursor { node_init_line, 0 }
+        local explorer = core.get_explorer()
+        if explorer then
+          explorer.view:set_cursor { node_init_line, 0 } -- move to root node (position 1)
+        end
       end
 
       -- 4.4)

lua/nvim-tree/actions/moves/parent.lua

@@ -1,5 +1,4 @@
 local renderer = require "nvim-tree.renderer"
-local view = require "nvim-tree.view"
 local utils = require "nvim-tree.utils"
 local core = require "nvim-tree.core"
 local lib = require "nvim-tree.lib"
@@ -21,14 +20,20 @@ function M.fn(should_close)
     local parent = utils.get_parent_of_group(node).parent
 
     if not parent or not parent.parent then
-      return view.set_cursor { 1, 0 }
+      local explorer = core.get_explorer()
+      if explorer then
+        return explorer.view:set_cursor { 1, 0 }
+      end
     end
 
     local _, line = utils.find_node(core.get_explorer().nodes, function(n)
       return n.absolute_path == parent.absolute_path
     end)
 
-    view.set_cursor { line + 1, 0 }
+    local explorer = core.get_explorer()
+    if explorer then
+      explorer.view:set_cursor { line + 1, 0 }
+    end
     if should_close then
       parent.open = false
       renderer.draw()

lua/nvim-tree/actions/node/open-file.lua

@@ -2,7 +2,6 @@
 local lib = require "nvim-tree.lib"
 local notify = require "nvim-tree.notify"
 local utils = require "nvim-tree.utils"
-local view = require "nvim-tree.view"
 
 local M = {}
 
@@ -19,9 +18,11 @@ end
 ---Get all windows in the current tabpage that aren't NvimTree.
 ---@return table with valid win_ids
 local function usable_win_ids()
+  local explorer = require "nvim-tree.core".get_explorer()
+
   local tabpage = vim.api.nvim_get_current_tabpage()
   local win_ids = vim.api.nvim_tabpage_list_wins(tabpage)
-  local tree_winid = view.get_winnr(tabpage)
+  local tree_winid = explorer and explorer.view:get_winnr(tabpage)
 
   return vim.tbl_filter(function(id)
     local bufid = vim.api.nvim_win_get_buf(id)
@@ -188,7 +189,10 @@ end
 
 local function open_file_in_tab(filename)
   if M.quit_on_open then
-    view.close()
+    local explorer = require "nvim-tree.core".get_explorer()
+    if explorer then
+      explorer.view:close()
+    end
   end
   if M.relative_path then
     filename = utils.path_relative(filename, vim.fn.getcwd())
@@ -198,7 +202,10 @@ end
 
 local function drop(filename)
   if M.quit_on_open then
-    view.close()
+    local explorer = require"nvim-tree.core".get_explorer()
+    if explorer then
+      explorer.view:close()
+    end
   end
   if M.relative_path then
     filename = utils.path_relative(filename, vim.fn.getcwd())
@@ -208,7 +215,10 @@ end
 
 local function tab_drop(filename)
   if M.quit_on_open then
-    view.close()
+    local explorer = require"nvim-tree.core".get_explorer()
+    if explorer then
+      explorer.view:close()
+    end
   end
   if M.relative_path then
     filename = utils.path_relative(filename, vim.fn.getcwd())
@@ -229,7 +239,10 @@ local function on_preview(buf_loaded)
       once = true,
     })
   end
-  view.focus()
+  local explorer = require"nvim-tree.core".get_explorer()
+  if explorer then
+    explorer.view:focus()
+  end
 end
 
 local function get_target_winid(mode)
@@ -287,7 +300,8 @@ local function open_in_new_window(filename, mode)
   end, vim.api.nvim_list_wins())
 
   local create_new_window = #win_ids == 1 -- This implies that the nvim-tree window is the only one
-  local new_window_side = (view.View.side == "right") and "aboveleft" or "belowright"
+  local explorer = require"nvim-tree.core".get_explorer()
+  local new_window_side = (explorer and view.View.side == "right") and "aboveleft" or "belowright"
 
   -- Target is invalid: create new window
   if not vim.tbl_contains(win_ids, target_winid) then
@@ -319,7 +333,7 @@ local function open_in_new_window(filename, mode)
     end
   end
 
-  if (mode == "preview" or mode == "preview_no_picker") and view.View.float.enable then
+  if (mode == "preview" or mode == "preview_no_picker") and explorer and explorer.view.View.float.enable then
     -- ignore "WinLeave" autocmd on preview
     -- because the registered "WinLeave"
     -- will kill the floating window immediately
@@ -359,7 +373,10 @@ local function is_already_loaded(filename)
 end
 
 local function edit_in_current_buf(filename)
-  require("nvim-tree.view").abandon_current_window()
+  local explorer = require"nvim-tree.core".get_explorer()
+  if explorer then
+    explorer.view:abandon_current_window()
+  end
   if M.relative_path then
     filename = utils.path_relative(filename, vim.fn.getcwd())
   end
@@ -404,7 +421,10 @@ function M.fn(mode, filename)
   end
 
   if M.resize_window then
-    view.resize()
+    local explorer = require"nvim-tree.core".get_explorer()
+    if explorer then
+      explorer.view:resize()
+    end
   end
 
   if mode == "preview" or mode == "preview_no_picker" then
@@ -412,7 +432,10 @@ function M.fn(mode, filename)
   end
 
   if M.quit_on_open then
-    view.close()
+    local explorer = require"nvim-tree.core".get_explorer()
+    if explorer then
+      explorer.view:close()
+    end
   end
 end
 

lua/nvim-tree/actions/reloaders.lua

@@ -1,5 +1,4 @@
 local git = require "nvim-tree.git"
-local view = require "nvim-tree.view"
 local renderer = require "nvim-tree.renderer"
 local explorer_module = require "nvim-tree.explorer"
 local core = require "nvim-tree.core"
@@ -43,14 +42,15 @@ end
 
 local event_running = false
 function M.reload_explorer()
-  if event_running or not core.get_explorer() or vim.v.exiting ~= vim.NIL then
+  local explorer = core.get_explorer()
+  if event_running or not explorer or vim.v.exiting ~= vim.NIL then
     return
   end
   event_running = true
 
   local projects = git.reload()
   refresh_nodes(core.get_explorer(), projects)
-  if view.is_visible() then
+  if explorer.view:is_visible() then
     renderer.draw()
   end
   event_running = false

lua/nvim-tree/actions/tree/find-file.lua

@@ -1,6 +1,5 @@
 local core = require "nvim-tree.core"
 local lib = require "nvim-tree.lib"
-local view = require "nvim-tree.view"
 local finders_find_file = require "nvim-tree.actions.finders.find-file"
 
 local M = {}
@@ -41,11 +40,12 @@ function M.fn(opts)
     return
   end
 
-  if view.is_visible() then
+  local explorer = core.get_explorer()
+  if explorer and explorer.view:is_visible() then
     -- focus
     if opts.focus then
       lib.set_target_win()
-      view.focus()
+      explorer.view:focus()
     end
   elseif opts.open then
     -- open

lua/nvim-tree/actions/tree/open.lua

@@ -1,5 +1,4 @@
 local lib = require "nvim-tree.lib"
-local view = require "nvim-tree.view"
 local finders_find_file = require "nvim-tree.actions.finders.find-file"
 
 local M = {}
@@ -23,10 +22,11 @@ function M.fn(opts)
     opts.path = nil
   end
 
-  if view.is_visible() then
+  local explorer = require"nvim-tree.core".get_explorer()
+  if explorer and explorer.view:is_visible() then
     -- focus
     lib.set_target_win()
-    view.focus()
+    explorer.view:focus()
   else
     -- open
     lib.open {

lua/nvim-tree/actions/tree/resize.lua

@@ -1,14 +1,18 @@
-local view = require "nvim-tree.view"
 
 local M = {}
 
 ---Resize the tree, persisting the new size.
 ---@param opts ApiTreeResizeOpts|nil
 function M.fn(opts)
+  local explorer = require"nvim-tree.core".get_explorer()
+  if not explorer then
+    return
+  end
+
   if opts == nil then
     -- reset to config values
-    view.configure_width()
-    view.resize()
+    explorer.view:configure_width()
+    explorer.view:resize()
     return
   end
 
@@ -16,19 +20,19 @@ function M.fn(opts)
   local width_cfg = options.width
 
   if width_cfg ~= nil then
-    view.configure_width(width_cfg)
-    view.resize()
+    explorer.view:configure_width(width_cfg)
+    explorer.view:resize()
     return
   end
 
-  if not view.is_width_determined() then
+  if not explorer.view:is_width_determined() then
     -- {absolute} and {relative} do nothing when {width} is a function.
     return
   end
 
   local absolute = options.absolute
   if type(absolute) == "number" then
-    view.resize(absolute)
+    explorer.view:resize(absolute)
     return
   end
 
@@ -39,7 +43,7 @@ function M.fn(opts)
       relative_size = "+" .. relative_size
     end
 
-    view.resize(relative_size)
+    explorer.view:resize(relative_size)
     return
   end
 end

lua/nvim-tree/actions/tree/toggle.lua

@@ -1,5 +1,4 @@
 local lib = require "nvim-tree.lib"
-local view = require "nvim-tree.view"
 local finders_find_file = require "nvim-tree.actions.finders.find-file"
 
 local M = {}
@@ -40,9 +39,14 @@ function M.fn(opts, no_focus, cwd, bang)
     opts.path = nil
   end
 
-  if view.is_visible() then
+  local explorer = require"nvim-tree.core".get_explorer()
+  if not explorer then
+    return
+  end
+
+  if explorer.view:is_visible() then
     -- close
-    view.close()
+    explorer.view:close()
   else
     -- open
     lib.open {