unifieddyes support - sort dyes by extended color value

depends.txt

@@ -3,3 +3,4 @@ sfinv?
 3d_armor?
 skinsdb?
 doc_items?
+unifieddyes?

pages/crafting.lua

@@ -157,7 +157,7 @@ local function update_group_selection(state, rebuild)
 	if state.param.crafting_group_list[sel_id] then
 		state.param.crafting_craftable_list = grouped[state.param.crafting_group_list[sel_id]].items
 		table.sort(state.param.crafting_craftable_list, function(a,b)
-			return a.item < b.item
+			return a.sort_value < b.sort_value
 		end)
 		grid:setList(state.param.crafting_craftable_list)
 		label:setText(groups_sel:getSelectedItem())

pages/creative.lua

@@ -65,7 +65,7 @@ local function update_group_selection(state, changed_group)
 	-- update grid list
 	if outlist then
 		table.sort(outlist, function(a,b)
-			return a.item < b.item
+			return a.sort_value < b.sort_value
 		end)
 		grid:setList(outlist)
 		state.param.creative_outlist = outlist

ui_tools.lua

@@ -432,6 +432,17 @@ function ui_tools.get_list_grouped(itemtable)
 end
 
 
+local function unifieddyes_getpaletteidx() end
+if minetest.global_exists("unifieddyes") then
+	function unifieddyes_getpaletteidx(entry)
+		local ret = unifieddyes.getpaletteidx(entry.item, "extended")
+		if ret then
+			local ret2= string.format("%02X", ret)
+			return 'dye '..ret2
+		end
+	end
+end
+
 -----------------------------------------------------
 -- Prepare root lists for all users
 -----------------------------------------------------
@@ -449,6 +460,9 @@ local function prepare_root_lists()
 			item = itemname,
 			is_button = true
 		}
+
+		entry.sort_value = unifieddyes_getpaletteidx(entry) or itemname
+
 		if cache.citems[itemname].cgroups["shape"] then
 			table.insert(ui_tools.root_list_shape, entry)
 		else