feat(todos): support file-specific todo definitions

lua/orgmode/files/file.lua

@@ -269,6 +269,21 @@ function OrgFile:find_headline_by_title(title)
   end)
 end
 
+function OrgFile:get_todo_keywords()
+  local todo_directive = self:_get_directive('todo')
+  if not todo_directive then
+    return config:get_todo_keywords()
+  end
+
+  local keywords = vim.split(todo_directive, '%s+')
+  local todo_keywords = require('orgmode.objects.todo_keywords'):new({
+    org_todo_keywords = keywords,
+    org_todo_keyword_faces = config.org_todo_keyword_faces,
+  })
+
+  return todo_keywords
+end
+
 ---@return OrgHeadline[]
 function OrgFile:get_unfinished_todo_entries()
   if self:is_archive_file() then

lua/orgmode/files/headline.lua

@@ -379,7 +379,7 @@ function Headline:get_todo()
     return nil, nil, nil
   end
 
-  local todo_keywords = config:get_todo_keywords()
+  local todo_keywords = self.file:get_todo_keywords()
 
   local text = self.file:get_node_text(todo_node)
   local keyword_by_value = todo_keywords:find(text)

lua/orgmode/objects/todo_state.lua

@@ -7,11 +7,11 @@ local TodoKeyword = require('orgmode.objects.todo_keywords.todo_keyword')
 ---@field todos OrgTodoKeywords
 local TodoState = {}
 
----@param data { current_state: string | nil }
+---@param data { current_state: string | nil, todos: table | nil }
 ---@return OrgTodoState
 function TodoState:new(data)
   local opts = {}
-  opts.todos = config:get_todo_keywords()
+  opts.todos = data.todos or config:get_todo_keywords()
   opts.current_state = data.current_state and opts.todos:find(data.current_state) or TodoKeyword:empty()
   setmetatable(opts, self)
   self.__index = self

lua/orgmode/org/mappings.lua

@@ -1048,7 +1048,8 @@ end
 function OrgMappings:_change_todo_state(direction, use_fast_access)
   local headline = self.files:get_closest_headline()
   local current_keyword = headline:get_todo()
-  local todo_state = TodoState:new({ current_state = current_keyword })
+  local todos = headline.file:get_todo_keywords()
+  local todo_state = TodoState:new({ current_state = current_keyword, todos = todos })
   local next_state = nil
   if use_fast_access and todo_state:has_fast_access() then
     next_state = todo_state:open_fast_access()

tests/plenary/files/file_spec.lua

@@ -830,4 +830,52 @@ describe('OrgFile', function()
       assert.are.same('somevalue', file:get_directive('somedirective'))
     end)
   end)
+
+  describe('get_todos', function()
+    local has_correct_type = function(todos)
+      assert.are.same('TODO', todos.todo_keywords[1].type)
+      assert.are.same('TODO', todos.todo_keywords[2].type)
+      assert.are.same('DONE', todos.todo_keywords[3].type)
+      assert.are.same('DONE', todos.todo_keywords[4].type)
+    end
+
+    local has_correct_values = function(todos)
+      assert.are.same('OPEN', todos.todo_keywords[1].value)
+      assert.are.same('DOING', todos.todo_keywords[2].value)
+      assert.are.same('FINISHED', todos.todo_keywords[3].value)
+      assert.are.same('ABORTED', todos.todo_keywords[4].value)
+    end
+    it('should get todo keywords from config by default', function()
+      config:extend({
+        org_todo_keywords = { 'TODO', 'DOING', '|', 'DONE', 'CANCELED' },
+      })
+      local file = load_file_sync({
+        '* TODO Headline 1',
+      })
+      local todos = file:get_todo_keywords()
+      assert.are.same({ 'TODO', 'DOING', '|', 'DONE', 'CANCELED' }, todos.org_todo_keywords)
+    end)
+
+    it('should parse custom todo keywords from file directive', function()
+      local file = load_file_sync({
+        '#+TODO: OPEN DOING | FINISHED ABORTED',
+        '* OPEN Headline 1',
+      })
+      local todos = file:get_todo_keywords()
+      has_correct_type(todos)
+      has_correct_values(todos)
+      assert.are.same({ 'OPEN', 'DOING', '|', 'FINISHED', 'ABORTED' }, todos.org_todo_keywords)
+    end)
+
+    it('should handle todo keywords with shortcut keys', function()
+      local file = load_file_sync({
+        '#+TODO: OPEN(o) DOING(d) | FINISHED(f) ABORTED(a)',
+        '* OPEN Headline 1',
+      })
+      local todos = file:get_todo_keywords()
+      has_correct_type(todos)
+      has_correct_values(todos)
+      assert.are.same({ 'OPEN(o)', 'DOING(d)', '|', 'FINISHED(f)', 'ABORTED(a)' }, todos.org_todo_keywords)
+    end)
+  end)
 end)

tests/plenary/ui/mappings/todo_spec.lua

@@ -451,4 +451,92 @@ describe('Todo mappings', function()
       '** Non-todo item',
     }, vim.api.nvim_buf_get_lines(0, 0, 6, false))
   end)
+
+  it('should respect file-local todo keywords', function()
+    helpers.create_file({
+      '#+TODO: OPEN DOING | FINISHED ABORTED',
+      '* OPEN Test with file-local todo keywords',
+      '** DOING Subtask',
+    })
+
+    vim.fn.cursor(2, 1)
+    vim.cmd([[norm cit]])
+    assert.are.same({
+      '#+TODO: OPEN DOING | FINISHED ABORTED',
+      '* DOING Test with file-local todo keywords',
+      '** DOING Subtask',
+    }, vim.api.nvim_buf_get_lines(0, 0, 3, false))
+
+    vim.cmd([[norm cit]])
+    local lines = vim.api.nvim_buf_get_lines(0, 0, 4, false)
+    assert.are.same('#+TODO: OPEN DOING | FINISHED ABORTED', lines[1])
+    assert.are.same('* FINISHED Test with file-local todo keywords', lines[2])
+    assert.is_true(lines[3]:match('^%s+CLOSED: %[%d%d%d%d%-%d%d%-%d%d') ~= nil)
+    assert.are.same('** DOING Subtask', lines[4])
+
+    vim.cmd([[norm cit]])
+    lines = vim.api.nvim_buf_get_lines(0, 0, 4, false)
+    assert.are.same('#+TODO: OPEN DOING | FINISHED ABORTED', lines[1])
+    assert.are.same('* ABORTED Test with file-local todo keywords', lines[2])
+    assert.is_true(lines[3]:match('^%s+CLOSED: %[%d%d%d%d%-%d%d%-%d%d') ~= nil)
+    assert.are.same('** DOING Subtask', lines[4])
+
+    vim.cmd([[norm cit]])
+    assert.are.same({
+      '#+TODO: OPEN DOING | FINISHED ABORTED',
+      '* Test with file-local todo keywords',
+      '** DOING Subtask',
+    }, vim.api.nvim_buf_get_lines(0, 0, 3, false))
+
+    vim.cmd([[norm cit]])
+    assert.are.same({
+      '#+TODO: OPEN DOING | FINISHED ABORTED',
+      '* OPEN Test with file-local todo keywords',
+      '** DOING Subtask',
+    }, vim.api.nvim_buf_get_lines(0, 0, 3, false))
+  end)
+  local todos_with_shortcuts = '#+TODO: OPEN(o) DOING(d) | FINISHED(f) ABORTED(a)'
+  it('should respect file-local todo keywords with shortcut keys', function()
+    helpers.create_file({
+      todos_with_shortcuts,
+      '* OPEN Test with file-local todo keywords',
+      '** DOING Subtask',
+    })
+
+    vim.fn.cursor(2, 1)
+    vim.cmd([[norm citd]])
+    assert.are.same({
+      todos_with_shortcuts,
+      '* DOING Test with file-local todo keywords',
+      '** DOING Subtask',
+    }, vim.api.nvim_buf_get_lines(0, 0, 3, false))
+
+    vim.cmd([[norm citf]])
+    local lines = vim.api.nvim_buf_get_lines(0, 0, 4, false)
+    assert.are.same(todos_with_shortcuts, lines[1])
+    assert.are.same('* FINISHED Test with file-local todo keywords', lines[2])
+    assert.is_true(lines[3]:match('^%s+CLOSED: %[%d%d%d%d%-%d%d%-%d%d') ~= nil)
+    assert.are.same('** DOING Subtask', lines[4])
+
+    vim.cmd([[norm cita]])
+    lines = vim.api.nvim_buf_get_lines(0, 0, 4, false)
+    assert.are.same(todos_with_shortcuts, lines[1])
+    assert.are.same('* ABORTED Test with file-local todo keywords', lines[2])
+    assert.is_true(lines[3]:match('^%s+CLOSED: %[%d%d%d%d%-%d%d%-%d%d') ~= nil)
+    assert.are.same('** DOING Subtask', lines[4])
+
+    vim.cmd([[exe "norm cit\<Space>"]])
+    assert.are.same({
+      todos_with_shortcuts,
+      '* Test with file-local todo keywords',
+      '** DOING Subtask',
+    }, vim.api.nvim_buf_get_lines(0, 0, 3, false))
+
+    vim.cmd([[norm cito]])
+    assert.are.same({
+      todos_with_shortcuts,
+      '* OPEN Test with file-local todo keywords',
+      '** DOING Subtask',
+    }, vim.api.nvim_buf_get_lines(0, 0, 3, false))
+  end)
 end)