feat(outline)!: remove code actions from outline (#387)

Code actions in outline do not work, as mentioned in #244. Also, implementation uses deprecated API (vim.lsp.diagnostic.get_line_diagnostics) so to reduce maintenance this functionality is removed.

lua/flutter-tools/outline.lua

@@ -1,11 +1,9 @@
 local ui = require("flutter-tools.ui")
 local utils = require("flutter-tools.utils")
 local config = require("flutter-tools.config")
-local code_actions = require("flutter-tools.lsp.code_actions")
 
 local api = vim.api
 local fn = vim.fn
-local lsp = vim.lsp
 local fmt = string.format
 local outline_filename = "Flutter Outline"
 local outline_filetype = "flutterToolsOutline"
@@ -301,69 +299,6 @@ local function setup_autocommands()
   })
 end
 
----Execute the currently selected code action in the code action popup
----@param actions table[]
----@param action_win number
----@param code_buf number
----@param code_win number
----@param outline_win number
----@return function
-local function select_code_action(actions, action_win, code_buf, code_win, outline_win)
-  return function()
-    local ln = api.nvim_get_current_line()
-    --- TODO: improve this once popup create returns a mapping of data to lines
-    local action = utils.find(actions, function(ca) return ln:match(ca.title) end)
-    if action then
-      code_actions.execute(action, code_buf, function()
-        -- HACK: figure out how to automatically refresh the code window so the new widget appears in the outline window
-        api.nvim_set_current_win(code_win)
-        vim.defer_fn(function() api.nvim_set_current_win(outline_win) end, 500)
-      end)
-    end
-    if api.nvim_win_is_valid(action_win) then api.nvim_win_close(action_win, true) end
-  end
-end
-
----Find the window the outline relates to
----@param uri string
----@return number?, number[]?
-local function find_code_window(uri)
-  local code_buf = vim.uri_to_bufnr(uri)
-  local code_wins = fn.win_findbuf(code_buf)
-  if not code_wins or #code_wins == 0 then return end
-  return code_wins[1], code_wins
-end
-
-local function request_code_actions()
-  local line = fn.line(".")
-  local uri = vim.b.outline_uri
-  if not uri then return ui.notify("Sorry! code actions not available") end
-  local outline = M.outlines[uri]
-  local item = outline[line]
-  if not item then return end
-  local params = code_actions.get_action_params(item, uri)
-  if not params then return end
-
-  local code_buf = vim.uri_to_bufnr(uri)
-  local code_win = find_code_window(uri)
-  local outline_win = api.nvim_get_current_win()
-
-  if not code_win then return end
-
-  lsp.buf_request(
-    params.bufnr,
-    "textDocument/codeAction",
-    params,
-    utils.lsp_handler(function(_, actions, _)
-      code_actions.open(
-        actions,
-        function(_, win) select_code_action(actions, win, code_buf, code_win, outline_win) end
-      )
-      api.nvim_win_set_cursor(code_win, { item.start_line + 1, item.start_col + 1 })
-    end)
-  )
-end
-
 local function select_outline_item()
   local line = fn.line(".")
   local uri = vim.b.outline_uri
@@ -402,7 +337,6 @@ local function setup_outline_window(buf, win, lines, highlights, _)
 
   vim.keymap.set("n", "q", "<Cmd>bw!<CR>", { nowait = true, buffer = buf })
   vim.keymap.set("n", "<CR>", select_outline_item, { buffer = buf, nowait = true })
-  vim.keymap.set("n", "a", request_code_actions, { buffer = buf, nowait = true })
 
   setup_autocommands()
 end