602 lines
17 KiB
Lua
602 lines
17 KiB
Lua
local View = require('outline.view')
|
|
local cfg = require('outline.config')
|
|
local folding = require('outline.folding')
|
|
local parser = require('outline.parser')
|
|
local providers = require('outline.providers.init')
|
|
local utils = require('outline.utils.init')
|
|
local writer = require('outline.writer')
|
|
|
|
---@class outline.Sidebar
|
|
local Sidebar = {}
|
|
|
|
---@class outline.SidebarCodeState
|
|
---@field win integer
|
|
---@field buf integer
|
|
|
|
---@class outline.Sidebar
|
|
---@field view outline.View
|
|
---@field items outline.SymbolNode[]
|
|
---@field flats outline.FlatSymbolNode[]
|
|
---@field original_cursor string
|
|
---@field code outline.SidebarCodeState
|
|
---@field autocmds { [integer]: integer } winnr to autocmd id
|
|
|
|
function Sidebar:new()
|
|
return setmetatable({
|
|
view = View:new(),
|
|
code = { buf = 0, win = 0 },
|
|
items = {},
|
|
flats = {},
|
|
autocmds = {},
|
|
original_cursor = vim.o.guicursor,
|
|
}, { __index = Sidebar })
|
|
end
|
|
|
|
function Sidebar:delete_autocmds()
|
|
for codewin, au in pairs(self.autocmds) do
|
|
if vim.api.nvim_win_is_valid(codewin) then
|
|
vim.api.nvim_del_autocmd(au)
|
|
end
|
|
end
|
|
self.autocmds = {}
|
|
end
|
|
|
|
function Sidebar:reset_state()
|
|
self.code = { buf = 0, win = 0 }
|
|
self.items = {}
|
|
self.flats = {}
|
|
self.original_cursor = vim.o.guicursor
|
|
self:delete_autocmds()
|
|
end
|
|
|
|
function Sidebar:destroy()
|
|
self:delete_autocmds()
|
|
if self.view:is_open() then
|
|
self.view:close()
|
|
end
|
|
self.view = nil
|
|
self.items = nil
|
|
self.flats = nil
|
|
self.code = nil
|
|
end
|
|
|
|
---Handler for provider request_symbols when outline is opened for the first time.
|
|
---@param response table?
|
|
---@param opts outline.OutlineOpts?
|
|
function Sidebar:initial_handler(response, opts)
|
|
if response == nil or type(response) ~= 'table' or self.view:is_open() then
|
|
return
|
|
end
|
|
|
|
if not opts then
|
|
opts = {}
|
|
end
|
|
|
|
self.code.win = vim.api.nvim_get_current_win()
|
|
self.code.buf = vim.api.nvim_get_current_buf()
|
|
|
|
local sc = opts.split_command or cfg.get_split_command()
|
|
self.view:setup_view(sc)
|
|
|
|
-- clear state when buffer is closed
|
|
vim.api.nvim_buf_attach(self.view.bufnr, false, {
|
|
on_detach = function(_, _)
|
|
self:reset_state()
|
|
end,
|
|
})
|
|
|
|
self:setup_keymaps()
|
|
self:setup_buffer_autocmd()
|
|
self:setup_attached_buffer_autocmd()
|
|
|
|
local items = parser.parse(response, self.code.buf)
|
|
self.items = items
|
|
|
|
local current
|
|
self.flats, current = writer.make_outline(self.view.bufnr, items, self.code.win)
|
|
|
|
self:update_cursor_pos(current)
|
|
|
|
if not cfg.o.outline_window.focus_on_open or not opts.focus_outline then
|
|
vim.fn.win_gotoid(self.code.win)
|
|
end
|
|
end
|
|
|
|
---Convenience function for setup_keymaps
|
|
---@param cfg_name string Field in cfg.o.keymaps
|
|
---@param method string|function If string, field in Sidebar
|
|
---@param args table Passed to method
|
|
function Sidebar:nmap(cfg_name, method, args)
|
|
if type(method) == 'string' then
|
|
utils.nmap(self.view.bufnr, cfg.o.keymaps[cfg_name], function()
|
|
Sidebar[method](self, unpack(args))
|
|
end)
|
|
else
|
|
utils.nmap(self.view.bufnr, cfg.o.keymaps[cfg_name], function()
|
|
method(unpack(args))
|
|
end)
|
|
end
|
|
end
|
|
|
|
function Sidebar:setup_keymaps()
|
|
for name, meth in pairs({
|
|
-- stylua: ignore start
|
|
goto_location = { '_goto_location', { true } },
|
|
peek_location = { '_goto_location', { false } },
|
|
restore_location = { '_map_follow_cursor', {} },
|
|
goto_and_close = { '_goto_and_close', {} },
|
|
down_and_jump = { '_move_and_jump', { 'down' } },
|
|
up_and_jump = { '_move_and_jump', { 'up' } },
|
|
hover_symbol = { require('outline.hover').show_hover, {} },
|
|
toggle_preview = { require('outline.preview').toggle, {} },
|
|
rename_symbol = { require('outline.rename').rename, {} },
|
|
code_actions = { require('outline.code_action').show_code_actions, {} },
|
|
show_help = { require('outline.help').show_keymap_help, {} },
|
|
close = { function() self.view:close() end, {} },
|
|
fold_toggle = { '_toggle_fold', {} },
|
|
fold = { '_set_folded', { true } },
|
|
unfold = { '_set_folded', { false } },
|
|
fold_toggle_all = { '_toggle_all_fold', {} },
|
|
fold_all = { '_set_all_folded', { true } },
|
|
unfold_all = { '_set_all_folded', { false } },
|
|
fold_reset = { '_set_all_folded', {} },
|
|
-- stylua: ignore end
|
|
}) do
|
|
---@diagnostic disable-next-line param-type-mismatch
|
|
self:nmap(name, meth[1], meth[2])
|
|
end
|
|
end
|
|
|
|
---Autocmds for the (current) outline buffer
|
|
function Sidebar:setup_buffer_autocmd()
|
|
if cfg.o.preview_window.auto_preview then
|
|
vim.api.nvim_create_autocmd('CursorMoved', {
|
|
buffer = 0,
|
|
callback = require('outline.preview').show,
|
|
})
|
|
else
|
|
vim.api.nvim_create_autocmd('CursorMoved', {
|
|
buffer = 0,
|
|
callback = require('outline.preview').close,
|
|
})
|
|
end
|
|
if cfg.o.outline_window.auto_jump then
|
|
vim.api.nvim_create_autocmd('CursorMoved', {
|
|
buffer = 0,
|
|
callback = function()
|
|
-- Don't use _goto_location because we don't want to auto-close
|
|
self:__goto_location(false)
|
|
end,
|
|
})
|
|
end
|
|
if cfg.o.outline_window.hide_cursor or type(cfg.o.outline_window.show_cursorline) == 'string' then
|
|
-- Unfortunately guicursor is a global option, so we have to make sure to
|
|
-- set and unset when cursor leaves the outline window.
|
|
self:update_cursor_style()
|
|
vim.api.nvim_create_autocmd('BufEnter', {
|
|
buffer = 0,
|
|
callback = function()
|
|
self:update_cursor_style()
|
|
end,
|
|
})
|
|
vim.api.nvim_create_autocmd('BufLeave', {
|
|
buffer = 0,
|
|
callback = function()
|
|
self:reset_cursor_style()
|
|
end,
|
|
})
|
|
end
|
|
end
|
|
|
|
---Setup autocmds for the code buffer that the outline attached to
|
|
function Sidebar:setup_attached_buffer_autocmd()
|
|
local code_win, code_buf = self.code.win, self.code.buf
|
|
local events = cfg.o.outline_items.auto_update_events
|
|
|
|
if cfg.o.outline_items.highlight_hovered_item or cfg.o.symbol_folding.auto_unfold_hover then
|
|
if self.autocmds[code_win] then
|
|
vim.api.nvim_del_autocmd(self.autocmds[code_win])
|
|
self.autocmds[code_win] = nil
|
|
end
|
|
|
|
if utils.str_or_nonempty_table(events.follow) then
|
|
self.autocmds[code_win] = vim.api.nvim_create_autocmd(events.follow, {
|
|
buffer = code_buf,
|
|
callback = function()
|
|
self:_highlight_current_item(code_win, cfg.o.outline_items.auto_set_cursor)
|
|
end,
|
|
})
|
|
end
|
|
end
|
|
end
|
|
|
|
---Set hide_cursor depending on whether cursorline is 'focus_in_outline'
|
|
function Sidebar:update_cursor_style()
|
|
local cl = cfg.o.outline_window.show_cursorline
|
|
-- XXX: Still 'hide' cursor if show_cursorline set to false, because we've
|
|
-- already warned the user during setup.
|
|
local hide_cursor = type(cl) ~= 'string'
|
|
|
|
if cl == 'focus_in_outline' or cl == 'focus_in_code' then
|
|
vim.api.nvim_win_set_option(0, 'cursorline', cl == 'focus_in_outline')
|
|
hide_cursor = cl == 'focus_in_outline'
|
|
end
|
|
|
|
-- Set cursor color to CursorLine in normal mode
|
|
if hide_cursor then
|
|
self.original_cursor = vim.o.guicursor
|
|
local cur = vim.o.guicursor:match('n.-:(.-)[-,]')
|
|
vim.opt.guicursor:append('n:' .. cur .. '-Cursorline')
|
|
end
|
|
end
|
|
|
|
function Sidebar:reset_cursor_style()
|
|
local cl = cfg.o.outline_window.show_cursorline
|
|
|
|
if cl == 'focus_in_outline' or cl == 'focus_in_code' then
|
|
vim.api.nvim_win_set_option(0, 'cursorline', cl ~= 'focus_in_outline')
|
|
end
|
|
-- vim.opt doesn't seem to provide a way to remove last item, like a pop()
|
|
-- vim.o.guicursor = vim.o.guicursor:gsub(",n.-:.-$", "")
|
|
vim.o.guicursor = self.original_cursor
|
|
end
|
|
|
|
---@param current outline.FlatSymbolNode?
|
|
function Sidebar:update_cursor_pos(current)
|
|
local col = 0
|
|
local buf = vim.api.nvim_win_get_buf(self.code.win)
|
|
if cfg.o.outline_items.show_symbol_lineno then
|
|
-- Padding area between lineno column and start of guides
|
|
col = #tostring(vim.api.nvim_buf_line_count(buf) - 1)
|
|
end
|
|
if current then -- Don't attempt to set cursor if the matching node is not found
|
|
vim.api.nvim_win_set_cursor(self.view.winnr, { current.line_in_outline, col })
|
|
end
|
|
end
|
|
|
|
---Calls writer.make_outline and then calls M.update_cursor_pos if
|
|
-- update_cursor is not false
|
|
---@param update_cursor boolean?
|
|
---@param set_cursor_to_node outline.SymbolNode|outline.FlatSymbolNode?
|
|
function Sidebar:_update_lines(update_cursor, set_cursor_to_node)
|
|
local current
|
|
self.flats, current =
|
|
writer.make_outline(self.view.bufnr, self.items, self.code.win, set_cursor_to_node)
|
|
if update_cursor ~= false then
|
|
self:update_cursor_pos(current)
|
|
end
|
|
end
|
|
|
|
---Handler for provider request_symbols for refreshing outline
|
|
function Sidebar:refresh_handler(response)
|
|
if response == nil or type(response) ~= 'table' then
|
|
return
|
|
end
|
|
|
|
local curwin = vim.api.nvim_get_current_win()
|
|
local curbuf = vim.api.nvim_get_current_buf()
|
|
local newbuf = curbuf ~= self.code.buf
|
|
|
|
if self.code.win ~= curwin then
|
|
if self.autocmds[self.code.win] then
|
|
vim.api.nvim_del_autocmd(self.autocmds[self.code.win])
|
|
self.autocmds[self.code.win] = nil
|
|
end
|
|
end
|
|
|
|
self.code.win = curwin
|
|
self.code.buf = curbuf
|
|
|
|
self:setup_attached_buffer_autocmd()
|
|
|
|
local items = parser.parse(response, vim.api.nvim_get_current_buf())
|
|
self:_merge_items(items)
|
|
|
|
local update_cursor = newbuf or cfg.o.outline_items.auto_set_cursor
|
|
self:_update_lines(update_cursor)
|
|
end
|
|
|
|
---@param items outline.SymbolNode[]
|
|
function Sidebar:_merge_items(items)
|
|
utils.merge_items_rec({ children = items }, { children = self.items })
|
|
end
|
|
|
|
---Re-request symbols from provider
|
|
function Sidebar:__refresh()
|
|
local focused_outline = self.view.bufnr == vim.api.nvim_get_current_buf()
|
|
if self.view:is_open() and not focused_outline then
|
|
providers.request_symbols(function(res)
|
|
self:refresh_handler(res)
|
|
end)
|
|
end
|
|
end
|
|
|
|
function Sidebar:_refresh()
|
|
(utils.debounce(function()
|
|
self:__refresh()
|
|
end, 100))()
|
|
end
|
|
|
|
---@return outline.FlatSymbolNode
|
|
function Sidebar:_current_node()
|
|
local current_line = vim.api.nvim_win_get_cursor(self.view.winnr)[1]
|
|
return self.flats[current_line]
|
|
end
|
|
|
|
---@param change_focus boolean Whether to switch to code window after setting cursor
|
|
function Sidebar:__goto_location(change_focus)
|
|
local node = self:_current_node()
|
|
vim.api.nvim_win_set_cursor(self.code.win, { node.line + 1, node.character })
|
|
|
|
if cfg.o.outline_window.center_on_jump then
|
|
vim.fn.win_execute(self.code.win, 'normal! zz')
|
|
end
|
|
|
|
utils.flash_highlight(
|
|
self.code.win,
|
|
node.line + 1,
|
|
cfg.o.outline_window.jump_highlight_duration,
|
|
'OutlineJumpHighlight'
|
|
)
|
|
|
|
if change_focus then
|
|
vim.fn.win_gotoid(self.code.win)
|
|
end
|
|
end
|
|
|
|
---Wraps __goto_location and handles auto_close.
|
|
---@see __goto_location
|
|
---@param change_focus boolean
|
|
function Sidebar:_goto_location(change_focus)
|
|
self:__goto_location(change_focus)
|
|
if change_focus and cfg.o.outline_window.auto_close then
|
|
self:close()
|
|
end
|
|
end
|
|
|
|
function Sidebar:_goto_and_close()
|
|
self:__goto_location(true)
|
|
self:close()
|
|
end
|
|
|
|
---@param direction "up"|"down"
|
|
function Sidebar:_move_and_jump(direction)
|
|
local move = direction == 'down' and 1 or -1
|
|
local cur = vim.api.nvim_win_get_cursor(0)
|
|
cur[1] = cur[1] + move
|
|
pcall(vim.api.nvim_win_set_cursor, 0, cur)
|
|
self:__goto_location(false)
|
|
end
|
|
|
|
---@param move_cursor boolean
|
|
---@param node_index integer Index for self.flats
|
|
function Sidebar:_toggle_fold(move_cursor, node_index)
|
|
local node = self.flats[node_index] or self:_current_node()
|
|
local is_folded = folding.is_folded(node)
|
|
|
|
if folding.is_foldable(node) then
|
|
self:_set_folded(not is_folded, move_cursor, node_index)
|
|
end
|
|
end
|
|
|
|
---@param folded boolean
|
|
---@param move_cursor? boolean
|
|
---@param node_index? integer
|
|
function Sidebar:_set_folded(folded, move_cursor, node_index)
|
|
local node = self.flats[node_index] or self:_current_node()
|
|
local changed = (folded ~= folding.is_folded(node))
|
|
|
|
if folding.is_foldable(node) and changed then
|
|
node.folded = folded
|
|
|
|
if move_cursor then
|
|
vim.api.nvim_win_set_cursor(self.view.winnr, { node_index, 0 })
|
|
end
|
|
|
|
self:_update_lines(false)
|
|
elseif node.parent then
|
|
local parent_node = self.flats[node.parent.line_in_outline]
|
|
|
|
if parent_node then
|
|
self:_set_folded(folded, not parent_node.folded and folded, parent_node.line_in_outline)
|
|
end
|
|
end
|
|
end
|
|
|
|
---@param nodes outline.SymbolNode[]
|
|
function Sidebar:_toggle_all_fold(nodes)
|
|
nodes = nodes or self.items
|
|
local folded = true
|
|
|
|
for _, node in ipairs(nodes) do
|
|
if folding.is_foldable(node) and not folding.is_folded(node) then
|
|
folded = false
|
|
break
|
|
end
|
|
end
|
|
|
|
self:_set_all_folded(not folded, nodes)
|
|
end
|
|
|
|
---@param folded boolean?
|
|
---@param nodes? outline.SymbolNode[]
|
|
function Sidebar:_set_all_folded(folded, nodes)
|
|
local stack = { nodes or self.items }
|
|
local current = self:_current_node()
|
|
|
|
while #stack > 0 do
|
|
local current_nodes = table.remove(stack, #stack)
|
|
for _, node in ipairs(current_nodes) do
|
|
node.folded = folded
|
|
if node.children then
|
|
stack[#stack + 1] = node.children
|
|
end
|
|
end
|
|
end
|
|
|
|
self:_update_lines(true, current)
|
|
end
|
|
|
|
---@see outline.follow_cursor
|
|
---@param opts outline.OutlineOpts?
|
|
---@return boolean ok
|
|
function Sidebar:follow_cursor(opts)
|
|
if not self.view:is_open() then
|
|
return false
|
|
end
|
|
|
|
if require('outline.preview').has_code_win(self.code.win) then
|
|
self:_highlight_current_item(self.code.win, true)
|
|
else
|
|
return false
|
|
end
|
|
|
|
if not opts then
|
|
opts = { focus_outline = true }
|
|
end
|
|
|
|
if opts.focus_outline then
|
|
self:focus()
|
|
end
|
|
|
|
return true
|
|
end
|
|
|
|
function Sidebar:_map_follow_cursor()
|
|
if not self:follow_cursor({ focus_outline = true }) then
|
|
utils.echo('Code window no longer active. Try closing and reopening the outline.')
|
|
end
|
|
end
|
|
|
|
---@param opts outline.OutlineOpts?
|
|
---@return boolean is_open
|
|
function Sidebar:toggle(opts)
|
|
if self.view:is_open() then
|
|
self:close()
|
|
return false
|
|
else
|
|
self:open(opts)
|
|
return true
|
|
end
|
|
end
|
|
|
|
---@see outline.open_outline
|
|
---@param opts outline.OutlineOpts?
|
|
function Sidebar:open(opts)
|
|
if not opts then
|
|
opts = { focus_outline = true }
|
|
end
|
|
|
|
if not self.view:is_open() then
|
|
local found = providers.request_symbols(function(...)
|
|
self:initial_handler(...)
|
|
end, opts)
|
|
if not found then
|
|
utils.echo('No providers found for current buffer')
|
|
end
|
|
end
|
|
end
|
|
|
|
---@see outline.close_outline
|
|
function Sidebar:close()
|
|
self.view:close()
|
|
end
|
|
|
|
---@see outline.focus_outline
|
|
---@return boolean is_open
|
|
function Sidebar:focus()
|
|
if self.view:is_open() then
|
|
vim.fn.win_gotoid(self.view.winnr)
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
---@see outline.focus_code
|
|
---@return boolean ok
|
|
function Sidebar:focus_code()
|
|
if require('outline.preview').has_code_win(self.code.win) then
|
|
vim.fn.win_gotoid(self.code.win)
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
---@see outline.focus_toggle
|
|
---@return boolean ok
|
|
function Sidebar:focus_toggle()
|
|
if self.view:is_open() and require('outline.preview').has_code_win(self.code.win) then
|
|
local winid = vim.fn.win_getid()
|
|
if winid == self.code.win then
|
|
vim.fn.win_gotoid(self.view.winnr)
|
|
else
|
|
vim.fn.win_gotoid(self.code.win)
|
|
end
|
|
return true
|
|
end
|
|
return false
|
|
end
|
|
|
|
---Whether the outline window is currently open.
|
|
---@return boolean is_open
|
|
function Sidebar:is_open()
|
|
return self.view:is_open()
|
|
end
|
|
|
|
function Sidebar:has_focus()
|
|
local winid = vim.fn.win_getid()
|
|
return self.view:is_open() and winid == self.view.winnr
|
|
end
|
|
|
|
---Whether there is currently an available provider.
|
|
---@return boolean has_provider
|
|
function Sidebar:has_provider()
|
|
if self:has_focus() then
|
|
return _G._outline_current_provider ~= nil
|
|
end
|
|
return providers.has_provider()
|
|
end
|
|
|
|
function Sidebar:_highlight_current_item(winnr, update_cursor)
|
|
local has_provider = self:has_provider()
|
|
local has_outline_open = self.view:is_open()
|
|
local current_buffer_is_outline = self.view.bufnr == vim.api.nvim_get_current_buf()
|
|
|
|
if not has_provider then
|
|
return
|
|
end
|
|
|
|
if current_buffer_is_outline and not winnr then
|
|
-- Don't update cursor pos and content if they are navigating the outline.
|
|
-- Winnr may be given when user explicitly wants to restore location
|
|
-- (follow_cursor), or through the open handler.
|
|
return
|
|
end
|
|
|
|
if not has_outline_open and not winnr then
|
|
-- Outline not open and no code window given
|
|
return
|
|
end
|
|
|
|
local valid_code_win = vim.api.nvim_win_is_valid(self.code.win)
|
|
local valid_winnr = winnr and vim.api.nvim_win_is_valid(winnr)
|
|
|
|
if not valid_code_win then
|
|
-- Definetely don't attempt to update anything if code win is no longer valid
|
|
return
|
|
end
|
|
|
|
if not valid_winnr then
|
|
return
|
|
elseif winnr ~= self.code.win then
|
|
-- Both valid, but given winnr ~= known code win.
|
|
-- Best not to handle this situation at all to prevent any unwanted side
|
|
-- effects
|
|
return
|
|
end
|
|
|
|
self:_update_lines(update_cursor)
|
|
end
|
|
|
|
return Sidebar
|