IUiLayer template

SpellsMenu.lua

local Gui = require("api.Gui")
local Draw = require("api.Draw")
local I18N = require("api.I18N")
local Ui = require("api.Ui")
local data = require("internal.data")

local IUiLayer = require("api.gui.IUiLayer")
local UiList = require("api.gui.UiList")
local UiWindow = require("api.gui.UiWindow")
local InputHandler = require("api.gui.InputHandler")
local IInput = require("api.gui.IInput")
local UiTheme = require("api.gui.UiTheme")

local SpellsMenu = class.class("SpellsMenu", IUiLayer)

SpellsMenu:delegate("input", IInput)

local UiListExt = function(spells_menu)
   local E = {}

   function E:get_item_text(item)
      local text = ""

      return text or ""
   end
   function E:can_choose(item)
      return item.type == "can_acquire"
   end
   function E:draw_select_key(item, i, key_name, x, y)
      UiList.draw_select_key(self, item, i, key_name, x, y)
   end

   function E:draw_item_text(text, item, i, x, y, x_offset)
      UiList.draw_item_text(self, text, item, i, x, y, x_offset)
   end

   return E
end

function SpellsMenu.generate_list(chara)
   local list = {}

   return list
end

function SpellsMenu:init(chara)
   self.chara = chara

   self.win = UiWindow:new("trait.window.title", true, "key help", 55, 40)

   self.data = SpellsMenu.generate_list(self.chara)

   self.pages = UiList:new_paged(self.data, 15)
   table.merge(self.pages, UiListExt(self))

   self.input = InputHandler:new()
   self.input:forward_to(self.pages)
   self.input:bind_keys(self:make_keymap())
end

function SpellsMenu:make_keymap()
   return {
      escape = function() self.canceled = true end,
      cancel = function() self.canceled = true end
   }
end

function SpellsMenu:relayout(x, y)
   self.width = 730
   self.height = 430
   self.x, self.y = Ui.params_centered(self.width, self.height)

   self.t = UiTheme.load(self)

   self.win:relayout(self.x, self.y, self.width, self.height)
   self.pages:relayout(self.x + 58, self.y + 66)
   self.win:set_pages(self.pages)
end

function SpellsMenu:charamake_result()
   return {}
end

function SpellsMenu:draw()
   self.win:draw()

   self.pages:draw()
end

function SpellsMenu:update()
   if self.canceled then
      return nil, "canceled"
   end

   if self.pages.changed then
      self.win:set_pages(self.pages)
   elseif self.pages.chosen then
      return true
   end

   self.win:update()
   self.pages:update()
end

return SpellsMenu