Initial commit

description.txt

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+This provides a simple form to select a single item type.

init.lua

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+select_item = {}
+local get_items = function()
+	return minetest.registered_items
+end
+
+local check_item = function(itemstring, filter)
+	local itemdef = minetest.registered_items[itemstring]
+	if itemstring == "air" or itemstring == "ignore" then
+		return false
+	end
+	if itemdef.description == nil or itemdef.description == "" then
+		return false
+	end
+	if itemdef.groups ~= nil and itemdef.groups.not_for_inventories ~= nil then
+		return false
+	end
+	return true
+end
+
+local xsize = 18
+local ysize = 9
+
+select_item.select_item = function(playername, filter)
+	local form = "size["..xsize..","..(ysize+1).."]"
+	local items = get_items()
+	local x = 0
+	local y = 0.5
+	form = form .. "label[0,0;Select an item:]"
+	for itemstring, itemdef in pairs(items) do
+		if check_item(itemstring, filter) then
+			local name = "item_"..itemstring
+			form = form .. "item_image_button["..x..","..y..";1,1;"..itemstring..";"..name..";]"
+
+			x = x + 1
+			if x >= xsize then
+				x = 0
+				y = y + 1
+				if y >= ysize then
+					break
+				end
+			end
+		end
+	end
+	form = form .. "button[0,"..y..";1,1;previous;<]"
+	form = form .. "button[1,"..y..";1,1;next;>]"
+	form = form .. "button["..(xsize-4)..","..y..";2,1;cancel;Cancel]"
+	form = form .. "button["..(xsize-2)..","..y..";2,1;done;OK]"
+	minetest.show_formspec(playername, "select_item:select_item", form)
+end
+
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+	-- TODO
+end)

mod.conf

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+name = select_item