builtin/mainmenu/tab_texturepacks.lua

   1 --Minetest
   2 --Copyright (C) 2014 sapier
   3 --
   4 --This program is free software; you can redistribute it and/or modify
   5 --it under the terms of the GNU Lesser General Public License as published by
   6 --the Free Software Foundation; either version 2.1 of the License, or
   7 --(at your option) any later version.
   8 --
   9 --This program is distributed in the hope that it will be useful,
  10 --but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 --MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 --GNU Lesser General Public License for more details.
  13 --
  14 --You should have received a copy of the GNU Lesser General Public License along
  15 --with this program; if not, write to the Free Software Foundation, Inc.,
  16 --51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17
  18 --------------------------------------------------------------------------------
  19 local function filter_texture_pack_list(list)
  20         local retval = {"None"}
  21         for _, item in ipairs(list) do
  22                 if item ~= "base" then
  23                         table.insert(retval, item)
  24                 end
  25         end
  26         return retval
  27 end
  28
  29 --------------------------------------------------------------------------------
  30 local function render_texture_pack_list(list)
  31         local retval = ""
  32
  33         for i, v in ipairs(list) do
  34                 if v:sub(1,1) ~= "." then
  35                         if retval ~= "" then
  36                                 retval = retval ..","
  37                         end
  38
  39                         retval = retval .. core.formspec_escape(v)
  40                 end
  41         end
  42
  43         return retval
  44 end
  45
  46 --------------------------------------------------------------------------------
  47 local function get_formspec(tabview, name, tabdata)
  48
  49         local retval = "label[4,-0.25;".. fgettext("Select texture pack:") .. "]"..
  50                         "textlist[4,0.25;7.5,5.0;TPs;"
  51
  52         local current_texture_path = core.setting_get("texture_path")
  53         local list = filter_texture_pack_list(core.get_dirlist(core.get_texturepath(), true))
  54         local index = tonumber(core.setting_get("mainmenu_last_selected_TP"))
  55
  56         if index == nil then index = 1 end
  57
  58         if current_texture_path == "" then
  59                 retval = retval ..
  60                         render_texture_pack_list(list) ..
  61                         ";" .. index .. "]"
  62                 return retval
  63         end
  64
  65         local infofile = current_texture_path ..DIR_DELIM.."info.txt"
  66         local infotext = ""
  67         local f = io.open(infofile, "r")
  68         if f==nil then
  69                 infotext = fgettext("No information available")
  70         else
  71                 infotext = f:read("*all")
  72                 f:close()
  73         end
  74
  75         local screenfile = current_texture_path..DIR_DELIM.."screenshot.png"
  76         local no_screenshot = nil
  77         if not file_exists(screenfile) then
  78                 screenfile = nil
  79                 no_screenshot = defaulttexturedir .. "no_screenshot.png"
  80         end
  81
  82         return  retval ..
  83                         render_texture_pack_list(list) ..
  84                         ";" .. index .. "]" ..
  85                         "image[0.25,0.25;4.0,3.7;"..core.formspec_escape(screenfile or no_screenshot).."]"..
  86                         "textarea[0.6,3.25;3.7,1.5;;"..core.formspec_escape(infotext or "")..";]"
  87 end
  88
  89 --------------------------------------------------------------------------------
  90 local function main_button_handler(tabview, fields, name, tabdata)
  91         if fields["TPs"] ~= nil then
  92                 local event = core.explode_textlist_event(fields["TPs"])
  93                 if event.type == "CHG" or event.type == "DCL" then
  94                         local index = core.get_textlist_index("TPs")
  95                         core.setting_set("mainmenu_last_selected_TP",
  96                                 index)
  97                         local list = filter_texture_pack_list(core.get_dirlist(core.get_texturepath(), true))
  98                         local current_index = core.get_textlist_index("TPs")
  99                         if current_index ~= nil and #list >= current_index then
 100                                 local new_path = core.get_texturepath()..DIR_DELIM..list[current_index]
 101                                 if list[current_index] == "None" then new_path = "" end
 102
 103                                 core.setting_set("texture_path", new_path)
 104                         end
 105                 end
 106                 return true
 107         end
 108         return false
 109 end
 110
 111 --------------------------------------------------------------------------------
 112 tab_texturepacks = {
 113         name = "texturepacks",
 114         caption = fgettext("Texturepacks"),
 115         cbf_formspec = get_formspec,
 116         cbf_button_handler = main_button_handler,
 117         on_change = nil
 118         }