Could fix #128

scripts/ai/parameters/AIParameterSettingList.lua

@@ -66,7 +66,7 @@ function AIParameterSettingList.getAreaText(value)
 	return g_i18n:formatArea(value, 1, true)
 end
 
-AIParameterSettingList.UNITS = {
+AIParameterSettingList.UNITS_TEXTS = {
 	AIParameterSettingList.getSpeedText, --- km/h
 	AIParameterSettingList.getDistanceText, --- m
 	AIParameterSettingList.getAreaText, --- ha/arcs
@@ -87,7 +87,7 @@ function AIParameterSettingList:generateValues(values,texts,min,max,inc,textStr,
 	for i=min,max,inc do 
 		table.insert(values,i)
 		local value = MathUtil.round(i,2)
-		local text = unit and AIParameterSettingList.UNITS[unit] and AIParameterSettingList.UNITS[unit](value) or tostring(value)
+		local text = unit and AIParameterSettingList.UNITS_TEXTS[unit] and AIParameterSettingList.UNITS_TEXTS[unit](value) or tostring(value)
 		local text = textStr and string.format(textStr,value) or text
 		table.insert(texts,text)
 	end
@@ -98,7 +98,7 @@ function AIParameterSettingList:enrichTexts(unit)
 	for i,value in ipairs(self.values) do 
 		local text = tostring(value)
 		if unit then 
-			text = text..AIParameterSettingList.UNITS[unit](value)
+			text = text..AIParameterSettingList.UNITS_TEXTS[unit](value)
 		end
 		self.texts[i] = text
 	end
@@ -146,6 +146,23 @@ function AIParameterSettingList:validateCurrentValue()
 	self:setToIx(new)
 end
 
+--- Refresh the texts, if it depends on a changeable measurement unit.
+--- For all units that are not an SI unit ...
+function AIParameterSettingList:validateTexts()
+	local unit = self.data.unit
+	if unit then 
+		local unitStrFunc = AIParameterSettingList.UNITS_TEXTS[unit]
+		local fixedTexts = {}
+		for ix,value in ipairs(self.values) do 
+			local value = MathUtil.round(value,2)
+			local text = unitStrFunc(value)
+			local text = self.data.textStr and string.format(self.data.textStr,value) or text
+			fixedTexts[ix] = text
+		end
+		self.texts = fixedTexts
+	end
+end
+
 function AIParameterSettingList:getDebugString()
 	-- replace % as this string goes through multiple formats (%% does not seem to work and I have no time to figure it out
 	return string.format('%s: %s', self.name, string.gsub(self.texts[self.current], '%%', 'percent'))
@@ -256,6 +273,7 @@ end
 
 function AIParameterSettingList:setGuiElement(guiElement)
 	self:validateCurrentValue()
+	self:validateTexts()
 	self.guiElement = guiElement
 	self.guiElement.target = self
 	self.guiElement.onClickCallback = function(setting,state,element)