minetest/builtin/mainmenu/tab_texturepacks.lua
Rui914 92d4a73843 Mainmenu: Refactor tab UI code
- Use local variables for tabs in place of globals
 - Merge together if statements where possible
 - Replace manual table searching code with indexof where possible
2016-04-08 02:25:04 -04:00

133 lines
4.2 KiB
Lua

--Minetest
--Copyright (C) 2014 sapier
--
--This program is free software; you can redistribute it and/or modify
--it under the terms of the GNU Lesser General Public License as published by
--the Free Software Foundation; either version 2.1 of the License, or
--(at your option) any later version.
--
--This program is distributed in the hope that it will be useful,
--but WITHOUT ANY WARRANTY; without even the implied warranty of
--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
--GNU Lesser General Public License for more details.
--
--You should have received a copy of the GNU Lesser General Public License along
--with this program; if not, write to the Free Software Foundation, Inc.,
--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
--------------------------------------------------------------------------------
local function filter_texture_pack_list(list)
local retval = {}
for _, item in ipairs(list) do
if item ~= "base" then
retval[#retval + 1] = item
end
end
table.sort(retval)
table.insert(retval, 1, fgettext("None"))
return retval
end
--------------------------------------------------------------------------------
local function render_texture_pack_list(list)
local retval = ""
for i, v in ipairs(list) do
if v:sub(1, 1) ~= "." then
if retval ~= "" then
retval = retval .. ","
end
retval = retval .. core.formspec_escape(v)
end
end
return retval
end
--------------------------------------------------------------------------------
local function get_formspec(tabview, name, tabdata)
local retval = "label[4,-0.25;" .. fgettext("Select texture pack:") .. "]" ..
"textlist[4,0.25;7.5,5.0;TPs;"
local current_texture_path = core.setting_get("texture_path")
local list = filter_texture_pack_list(core.get_dir_list(core.get_texturepath(), true))
local index = tonumber(core.setting_get("mainmenu_last_selected_TP"))
if not index then index = 1 end
if current_texture_path == "" then
retval = retval ..
render_texture_pack_list(list) ..
";" .. index .. "]"
return retval
end
local infofile = current_texture_path .. DIR_DELIM .. "description.txt"
-- This adds backwards compatibility for old texture pack description files named
-- "info.txt", and should be removed once all such texture packs have been updated
if not file_exists(infofile) then
infofile = current_texture_path .. DIR_DELIM .. "info.txt"
if file_exists(infofile) then
core.log("info.txt is depreciated. description.txt should be used instead.")
end
end
local infotext = ""
local f = io.open(infofile, "r")
if not f then
infotext = fgettext("No information available")
else
infotext = f:read("*all")
f:close()
end
local screenfile = current_texture_path .. DIR_DELIM .. "screenshot.png"
local no_screenshot
if not file_exists(screenfile) then
screenfile = nil
no_screenshot = defaulttexturedir .. "no_screenshot.png"
end
return retval ..
render_texture_pack_list(list) ..
";" .. index .. "]" ..
"image[0.25,0.25;4.0,3.7;" .. core.formspec_escape(screenfile or no_screenshot) .. "]" ..
"textarea[0.6,3.5;3.7,1.5;;" .. core.formspec_escape(infotext or "") .. ";]"
end
--------------------------------------------------------------------------------
local function main_button_handler(tabview, fields, name, tabdata)
if fields["TPs"] then
local event = core.explode_textlist_event(fields["TPs"])
if event.type == "CHG" or event.type == "DCL" then
local index = core.get_textlist_index("TPs")
core.setting_set("mainmenu_last_selected_TP", index)
local list = filter_texture_pack_list(core.get_dir_list(core.get_texturepath(), true))
local current_index = core.get_textlist_index("TPs")
if current_index and #list >= current_index then
local new_path = core.get_texturepath() .. DIR_DELIM .. list[current_index]
if list[current_index] == fgettext("None") then
new_path = ""
end
core.setting_set("texture_path", new_path)
end
end
return true
end
return false
end
--------------------------------------------------------------------------------
return {
name = "texturepacks",
caption = fgettext("Texturepacks"),
cbf_formspec = get_formspec,
cbf_button_handler = main_button_handler,
on_change = nil
}