2023-10-07 11:29:39 +02:00

363 lines
9.6 KiB
Lua

local table_builder = require("easytables.tablebuilder")
local export = require("easytables.export")
local o = require("easytables.options")
local math = require("math")
local M = {}
function M:create(table, options)
options = options or {}
self.table = table
self.previous_window = vim.api.nvim_get_current_win()
return self
end
function M:_get_width()
return 60
end
function M:_get_preview_height()
return 20
end
function M:get_x()
local diff = vim.o.columns - vim.api.nvim_win_get_width(self.previous_window)
local pos = vim.o.columns - self:_get_width() - diff
return math.floor(pos / 2)
end
function M:get_y()
return math.floor(((vim.o.lines - self:_get_preview_height()) / 2) - 1)
end
function M:_open_preview_window()
self.preview_buffer = vim.api.nvim_create_buf(false, true)
self.preview_window = vim.api.nvim_open_win(self.preview_buffer, false, {
relative = "win",
col = self:get_x(),
row = self:get_y(),
width = self:_get_width(),
height = self:_get_preview_height(),
style = "minimal",
border = "rounded",
title = o.options.table.window.preview_title,
title_pos = "center",
focusable = false
})
-- Disable default highlight
vim.api.nvim_set_option_value(
"winhighlight",
"Normal:Normal",
{ win = self.preview_window }
)
end
function M:_open_prompt_window()
self.prompt_buffer = vim.api.nvim_create_buf(false, false)
self.prompt_window = vim.api.nvim_open_win(self.prompt_buffer, true, {
relative = "win",
-- No idea why, but the window is shifted one cell to the right by default
col = self:get_x(),
row = self:get_y() + self:_get_preview_height() + 2,
width = self:_get_width(),
height = 2,
style = "minimal",
border = "rounded",
title = o.options.table.window.prompt_title,
title_pos = "center",
})
vim.api.nvim_set_option_value('winhighlight', "Normal:Normal", { win = self.prompt_window })
end
function M:show()
-- Don't open window again if it's already opened
if self.preview_window then
return
end
self:_open_preview_window()
self:_open_prompt_window()
end
function M:_reset_prompt()
local highlighted_cell = self.table:get_highlighted_cell()
local newtext = self.table:value_at(highlighted_cell.row, highlighted_cell.col)
local newlines = { newtext }
vim.api.nvim_buf_set_lines(self.prompt_buffer, 0, -1, false, newlines)
end
function M:_draw_highlight()
local cell = self.table:get_highlighted_cell()
if cell == nil then
return
end
local row = 1 + math.max(0, cell.row - 1) * 2
local widths = self.table:get_widths_for_columns(self.min_value_width)
local cell_start, cell_end = self.table:get_cell_positions(cell.col, cell.row, widths)
local border_start, border_end = self.table:get_horizontal_border_width(cell.col, cell.row, self.min_value_width)
vim.api.nvim_buf_set_extmark(
self.preview_buffer,
vim.api.nvim_create_namespace("easytables"),
row - 1,
border_start,
{
end_col = border_end,
hl_group = "NormalFloat",
hl_mode = "combine",
}
)
vim.api.nvim_buf_set_extmark(
self.preview_buffer,
vim.api.nvim_create_namespace("easytables"),
row + 1,
border_start,
{
end_col = border_end,
hl_group = "NormalFloat",
hl_mode = "combine",
}
)
vim.api.nvim_buf_set_extmark(
self.preview_buffer,
vim.api.nvim_create_namespace("easytables"),
row,
cell_start,
{
end_col = cell_end,
hl_group = "NormalFloat",
hl_mode = "combine",
}
)
end
function M:draw_table()
local representation = table_builder.draw_representation(self.table)
vim.api.nvim_buf_set_lines(self.preview_buffer, 0, -1, false, representation)
self:_draw_highlight()
end
function M:close()
vim.api.nvim_win_close(self.preview_window, true)
vim.api.nvim_win_close(self.prompt_window, true)
pcall(function()
vim.api.nvim_set_current_win(self.previous_window)
end)
self.preview_window = nil
self.prompt_window = nil
self.preview_buffer = nil
self.prompt_buffer = nil
self.previous_window = nil
end
function M:register_listeners()
vim.api.nvim_buf_attach(self.prompt_buffer, false, {
on_lines = function(_, handle)
local lines = vim.api.nvim_buf_get_lines(handle, 0, -1, false)
vim.schedule(function()
local selected_cell = self.table:get_highlighted_cell()
self.table:insert(selected_cell.col, selected_cell.row, lines[1])
self:draw_table()
end)
end,
})
vim.api.nvim_create_autocmd(
{ "QuitPre" },
{
buffer = self.prompt_buffer,
callback = function()
self:close()
end
}
)
vim.api.nvim_buf_create_user_command(
self.prompt_buffer,
"JumpToNextCell",
function()
self.table:move_highlight_to_next_cell()
self:draw_table()
self:_reset_prompt()
end,
{}
)
vim.api.nvim_buf_create_user_command(
self.prompt_buffer,
"JumpToPreviousCell",
function()
self.table:move_highlight_to_previous_cell()
self:draw_table()
self:_reset_prompt()
end,
{}
)
vim.api.nvim_buf_create_user_command(
self.prompt_buffer,
"JumpDown",
function()
self.table:move_highlight_down()
self:draw_table()
self:_reset_prompt()
end,
{}
)
vim.api.nvim_buf_create_user_command(
self.prompt_buffer,
"JumpUp",
function()
self.table:move_highlight_up()
self:draw_table()
self:_reset_prompt()
end,
{}
)
vim.api.nvim_buf_create_user_command(
self.prompt_buffer,
"JumpLeft",
function()
self.table:move_highlight_left()
self:draw_table()
self:_reset_prompt()
end,
{}
)
vim.api.nvim_buf_create_user_command(
self.prompt_buffer,
"JumpRight",
function()
self.table:move_highlight_right()
self:draw_table()
self:_reset_prompt()
end,
{}
)
vim.api.nvim_buf_create_user_command(
self.prompt_buffer,
"SwapWithRightCell",
function()
local current_cell = self.table:get_highlighted_cell()
local right_cell = {
row = current_cell.row,
col = current_cell.col == self.table:cols_amount() and 1 or current_cell.col + 1,
}
self.table:swap_contents(current_cell, right_cell)
self.table:set_highlighted_cell(right_cell)
self:draw_table()
self:_reset_prompt()
end,
{}
)
vim.api.nvim_buf_create_user_command(
self.prompt_buffer,
"SwapWithLeftCell",
function()
local current_cell = self.table:get_highlighted_cell()
local left_cell = {
row = current_cell.row,
col = current_cell.col == 1 and self.table:cols_amount() or current_cell.col - 1,
}
self.table:swap_contents(current_cell, left_cell)
self.table:set_highlighted_cell(left_cell)
self:draw_table()
self:_reset_prompt()
end,
{}
)
vim.api.nvim_buf_create_user_command(
self.prompt_buffer,
"SwapWithUpperCell",
function()
local current_cell = self.table:get_highlighted_cell()
local upper_cell = {
row = current_cell.row == 1 and self.table:rows_amount() or current_cell.row - 1,
col = current_cell.col,
}
self.table:swap_contents(current_cell, upper_cell)
self.table:set_highlighted_cell(upper_cell)
self:draw_table()
self:_reset_prompt()
end,
{}
)
vim.api.nvim_buf_create_user_command(
self.prompt_buffer,
"SwapWithLowerCell",
function()
local current_cell = self.table:get_highlighted_cell()
local lower_cell = {
row = current_cell.row == self.table:rows_amount() and 1 or current_cell.row + 1,
col = current_cell.col,
}
self.table:swap_contents(current_cell, lower_cell)
self.table:set_highlighted_cell(lower_cell)
self:draw_table()
self:_reset_prompt()
end,
{}
)
vim.api.nvim_buf_create_user_command(
self.prompt_buffer,
"ToggleHeader",
function()
self.table:toggle_header()
self:draw_table()
end,
{}
)
vim.api.nvim_buf_create_user_command(
self.prompt_buffer,
"ExportTable",
function()
local markdown_table = export:export_table(self.table)
self:close()
vim.schedule(function()
local cursor = vim.api.nvim_win_get_cursor(0)
vim.api.nvim_buf_set_text(
0,
cursor[1] - 1,
cursor[2],
cursor[1] - 1,
cursor[2],
markdown_table
)
end)
end,
{}
)
end
return M