Auto Hide Options Overhaul

Libs/DF/panel.lua

@@ -24,12 +24,29 @@ do
 		WidgetType = "panel",
 		SetHook = DF.SetHook,
 		RunHooksForWidget = DF.RunHooksForWidget,
+
+		dversion = DF.dversion,
 	}
 
-	_G [DF.GlobalWidgetControlNames ["panel"]] = _G [DF.GlobalWidgetControlNames ["panel"]] or metaPrototype
+	--check if there's a metaPrototype already existing
+	if (_G[DF.GlobalWidgetControlNames["panel"]]) then
+		--get the already existing metaPrototype
+		local oldMetaPrototype = _G[DF.GlobalWidgetControlNames ["panel"]]
+		--check if is older
+		if ( (not oldMetaPrototype.dversion) or (oldMetaPrototype.dversion < DF.dversion) ) then
+			--the version is older them the currently loading one
+			--copy the new values into the old metatable
+			for funcName, _ in pairs(metaPrototype) do
+				oldMetaPrototype[funcName] = metaPrototype[funcName]
+			end
+		end
+	else
+		--first time loading the framework
+		_G[DF.GlobalWidgetControlNames ["panel"]] = metaPrototype
+	end
 end
 
-local PanelMetaFunctions = _G [DF.GlobalWidgetControlNames ["panel"]]
+local PanelMetaFunctions = _G[DF.GlobalWidgetControlNames ["panel"]]
 
 --> mixin for options functions
 DF.OptionsFunctions = {
@@ -7087,10 +7104,27 @@ DF.StatusBarFunctions = {
 		WidgetType = "healthBar",
 		SetHook = DF.SetHook,
 		RunHooksForWidget = DF.RunHooksForWidget,
-	}
-	_G [DF.GlobalWidgetControlNames ["healthBar"]] = _G [DF.GlobalWidgetControlNames ["healthBar"]] or healthBarMetaPrototype
 
-	local healthBarMetaFunctions = _G [DF.GlobalWidgetControlNames ["healthBar"]]
+		dversion = DF.dversion,
+	}
+	--check if there's a metaPrototype already existing
+	if (_G[DF.GlobalWidgetControlNames["healthBar"]]) then
+		--get the already existing metaPrototype
+		local oldMetaPrototype = _G[DF.GlobalWidgetControlNames ["healthBar"]]
+		--check if is older
+		if ( (not oldMetaPrototype.dversion) or (oldMetaPrototype.dversion < DF.dversion) ) then
+			--the version is older them the currently loading one
+			--copy the new values into the old metatable
+			for funcName, _ in pairs(healthBarMetaPrototype) do
+				oldMetaPrototype[funcName] = healthBarMetaPrototype[funcName]
+			end
+		end
+	else
+		--first time loading the framework
+		_G[DF.GlobalWidgetControlNames ["healthBar"]] = healthBarMetaPrototype
+	end
+
+	local healthBarMetaFunctions = _G[DF.GlobalWidgetControlNames ["healthBar"]]
 
 --hook list
 	local defaultHooksForHealthBar = {