Translate map titles only when needed

They are used only when applying a map to the main window or when
showing the results of certain askers; hence, return the default
fallbacks only when these titles are queried.

src/map.cpp

@@ -114,12 +114,14 @@ KLocalizedString KGmap::getDivisionToCapitalQuestionPattern() const
 
 QString KGmap::getCapitalToDivisionTitle() const
 {
-	return p_capitalToDivisionTitle;
+	if (p_capitalToDivisionTitle.isNull()) return i18n("%1 by Capital", getDivisionsString());
+	else return p_capitalToDivisionTitle;
 }
 
 QString KGmap::getDivisionToCapitalTitle() const
 {
-	return p_divisionToCapitalTitle;
+	if (p_divisionToCapitalTitle.isNull()) return i18n("Capitals of %1", getDivisionsString());
+	else return p_divisionToCapitalTitle;
 }
 
 QString KGmap::getFile() const

src/mapparser.cpp

@@ -82,20 +82,12 @@ KGmap *mapReader::parseMap(const QString &path)
 				{
 					kgmap->setCapitalToDivisionTitle(i18nc("@title", title.toUtf8()));
 				}
-				else
-				{
-					kgmap->setCapitalToDivisionTitle(i18n("%1 by Capital", kgmap -> getDivisionsString()));
-				}
 
 				title = getElementString(QStringLiteral("divisionToCapitalTitle"), root, Optional);
 				if ( ! title.isEmpty() )
 				{
 					kgmap->setDivisionToCapitalTitle(i18nc("@title", title.toUtf8()));
 				}
-				else
-				{
-					kgmap->setDivisionToCapitalTitle(i18n("Capitals of %1", kgmap -> getDivisionsString()));
-				}
 
 				
 				// Author string