init.lua

   1 -- Boilerplate to support localized strings if intllib mod is installed.
   2 local S
   3 if minetest.get_modpath("intllib") then
   4         S = intllib.Getter()
   5 else
   6         S = function(s) return s end
   7 end
   8
   9 local buttons = {}
  10 local buttons_num = 0
  11
  12 local button_prefix = "sfinv_button_"
  13
  14 sfinv_buttons = {}
  15
  16
  17 sfinv_buttons.register_button = function(name, def)
  18         buttons[name] = def
  19         buttons_num = buttons_num + 1
  20 end
  21
  22 sfinv.register_page("sfinv_buttons:buttons", {
  23         title = S("More"),
  24         is_in_nav = function(self, player, context)
  25                 return buttons_num > 0
  26         end,
  27         get = function(self, player, context)
  28                 local f = ""
  29                 local y = 0
  30                 for name, def in pairs(buttons) do
  31                         if def.image ~= nil then
  32                                 f = f .. "image[0.1,"..(y+0.1)..";0.8,0.8;"..def.image.."]"
  33                         end
  34                         f = f .. "button["..
  35                                 "1,"..y..";3,1;"..
  36                                 button_prefix..minetest.formspec_escape(name)..";"..
  37                                 minetest.formspec_escape(def.title)..
  38                                 "]"
  39                         y = y + 1
  40                 end
  41                 return sfinv.make_formspec(player, context, f)
  42         end,
  43         on_player_receive_fields = function(self, player, context, fields)
  44                 for widget_name, _ in pairs(fields) do
  45                         local id = string.sub(widget_name, string.len(button_prefix) + 1, -1)
  46                         if buttons[id] ~= nil and buttons[id].action ~= nil then
  47                                 buttons[id].action(player)
  48                         end
  49                 end
  50         end,
  51 })
  52
  53 -- Test
  54 sfinv_buttons.register_button("button1", { title = "Button 1" })
  55 sfinv_buttons.register_button("button2", { title = "Button 2" })
  56 sfinv_buttons.register_button("button3", { title = "Button 3" })
  57 sfinv_buttons.register_button("button4", { title = "Button 4" })