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143 lines
2.9 KiB
Lua
143 lines
2.9 KiB
Lua
-- Luanti
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-- SPDX-License-Identifier: LGPL-2.1-or-later
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-- Copyright (C) 2025 v-rob, Vincent Robinson <robinsonvincent89@gmail.com>
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ui.Context = core.class()
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local open_contexts = {}
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local OPEN_WINDOW = 0x00
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local REOPEN_WINDOW = 0x01
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local UPDATE_WINDOW = 0x02
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local CLOSE_WINDOW = 0x03
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function ui.Context:new(builder, player, state)
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self._builder = ui._req(builder, "function")
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self._player = ui._req(player, "string")
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self._state = ui._opt(state, "table", {})
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self._id = nil
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self._window = nil
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end
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function ui.Context:open(param)
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if self:is_open() then
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return self
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end
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self:_open_window()
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self:_build_window(ui._opt(param, "table", {}))
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local data = ui._encode("BL Z", OPEN_WINDOW, self._id,
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self._window:_encode(self._player, true))
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core.send_ui_message(self._player, data)
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return self
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end
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function ui.Context:reopen(param)
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if not self:is_open() then
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return self
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end
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local close_id = self:_close_window()
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self:_open_window()
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self:_build_window(ui._opt(param, "table", {}))
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local data = ui._encode("BLL Z", REOPEN_WINDOW, self._id, close_id,
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self._window:_encode(self._player, true))
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core.send_ui_message(self._player, data)
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return self
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end
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function ui.Context:update(param)
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if not self:is_open() then
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return self
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end
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self:_build_window(ui._opt(param, "table", {}))
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local data = ui._encode("BL Z", UPDATE_WINDOW, self._id,
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self._window:_encode(self._player, false))
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core.send_ui_message(self._player, data)
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return self
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end
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function ui.Context:close()
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if not self:is_open() then
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return self
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end
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local close_id = self:_close_window()
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local data = ui._encode("BL", CLOSE_WINDOW, close_id)
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core.send_ui_message(self._player, data)
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return self
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end
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function ui.Context:is_open()
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return self._id ~= nil
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end
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function ui.Context:get_builder()
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return self._builder
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end
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function ui.Context:get_player()
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return self._player
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end
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function ui.Context:get_state()
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return self._state
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end
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function ui.Context:set_state(state)
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self._state = ui._req(state, "table")
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return self
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end
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local last_id = 0
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function ui.Context:_open_window()
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self._id = last_id
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last_id = last_id + 1
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open_contexts[self._id] = self
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end
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function ui.Context:_build_window(param)
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self._window = self._builder(self, self._player, self._state, param)
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ui._req(self._window, ui.Window)
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assert(not self._window._context, "Window object has already been used")
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self._window._context = self
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end
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function ui.Context:_close_window()
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local close_id = self._id
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self._id = nil
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self._window = nil
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open_contexts[close_id] = nil
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return close_id
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end
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function ui.get_open_contexts()
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local contexts = {}
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for _, context in pairs(open_contexts) do
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table.insert(contexts, context)
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end
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return contexts
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end
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core.register_on_leaveplayer(function(player)
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for _, context in pairs(open_contexts) do
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if context:get_player() == player:get_player_name() then
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context:_close_window()
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end
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end
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end)
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