+function worktable.craftguide_formspec(meta, pagenum, item, recipe_num, filter, tab_id)
+ local inv_size = meta:get_int("inv_size")
+ local npp, i, s = 8*3, 0, 0
+ local pagemax = math.floor((inv_size - 1) / npp + 1)
+
+ if pagenum > pagemax then
+ pagenum = 1
+ elseif pagenum == 0 then
+ pagenum = pagemax
+ end
+
+ local formspec = [[ size[8,6.6;]
+ tablecolumns[color;text;color;text]
+ tableoptions[background=#00000000;highlight=#00000000;border=false]
+ button[5.5,0;0.7,1;prev;<]
+ button[7.3,0;0.7,1;next;>]
+ button[4,0.2;0.7,0.5;search;?]
+ button[4.6,0.2;0.7,0.5;clearfilter;X]
+ button[0,0;1.5,1;backcraft;< Back]
+ tooltip[search;Search]
+ tooltip[clearfilter;Reset] ]]
+ .."tabheader[0,0;tabs;All,Nodes,Tools,Items;"..tostring(tab_id)..";true;false]"..
+ "table[6.1,0.2;1.1,0.5;pagenum;#FFFF00,"..tostring(pagenum)..
+ ",#FFFFFF,/ "..tostring(pagemax).."]"..
+ "field[1.8,0.32;2.6,1;filter;;"..filter.."]"..xbg
+
+ for _, name in pairs(worktable.craftguide_main_list(meta, filter, tab_id)) do
+ if s < (pagenum - 1) * npp then
+ s = s + 1
+ else
+ if i >= npp then break end
+ formspec = formspec.."item_image_button["..(i%8)..","..
+ (math.floor(i/8)+1)..";1,1;"..name..";"..name..";]"
+ i = i + 1
+ end
+ end
+
+ if item and minetest.registered_items[item] then
+ --print(dump(minetest.get_all_craft_recipes(item)))
+ local items_num = #minetest.get_all_craft_recipes(item)
+ if recipe_num > items_num then recipe_num = 1 end
+
+ if items_num > 1 then
+ formspec = formspec.."button[0,6;1.6,1;alternate;Alternate]"..
+ "label[0,5.5;Recipe "..recipe_num.." of "..items_num.."]"
+ end
+
+ local type = minetest.get_all_craft_recipes(item)[recipe_num].type
+ if type == "cooking" then
+ formspec = formspec.."image[3.75,4.6;0.5,0.5;default_furnace_fire_fg.png]"
+ end
+
+ local items = minetest.get_all_craft_recipes(item)[recipe_num].items
+ local width = minetest.get_all_craft_recipes(item)[recipe_num].width
+ if width == 0 then width = math.min(3, #items) end
+ local rows = math.ceil(table.maxn(items) / width)
+
+ local function is_group(item)
+ if item:find("^group:") then return "G" end
+ return ""
+ end
+
+ for i, v in pairs(items) do
+ formspec = formspec.."item_image_button["..((i-1) % width + 4.5)..","..
+ (math.floor((i-1) / width + (6 - math.min(2, rows))))..";1,1;"..
+ worktable.get_recipe(v)..";"..worktable.get_recipe(v)..";"..is_group(v).."]"
+ end
+
+ formspec = formspec.."item_image[2.5,5;1,1;"..item.."]"..
+ "image[3.5,5;1,1;gui_furnace_arrow_bg.png^[transformR90]"
+ end
+
+ meta:set_string("formspec", formspec)
+end
+
+local function tab_category(tab_id)
+ local id_category = {
+ minetest.registered_items,
+ minetest.registered_nodes,
+ minetest.registered_tools,
+ minetest.registered_craftitems }
+
+ return id_category[tab_id] or id_category[1]
+end
+
+function worktable.craftguide_main_list(meta, filter, tab_id)
+ local items_list = {}
+ for name, def in pairs(tab_category(tab_id)) do
+ if not (def.groups.not_in_creative_inventory == 1) and
+ minetest.get_craft_recipe(name).items and
+ def.description and def.description ~= "" and
+ (not filter or def.name:find(filter, 1, true)) then
+ items_list[#items_list+1] = name
+ end
+ end
+
+ meta:set_int("inv_size", #items_list)
+ table.sort(items_list)
+ return items_list