/// <summary>
/// 按照国家或地区的名称筛选服务器，同时更新程序中按国家或地区筛选的菜单
/// </summary>
/// <param name="serverInfoCollection"></param>
/// <returns></returns>
private ServerInfo[] FilterByCountryAndUpdateCountryList(ServerInfo[] servers)
{
MenuItemCollection menuItems = FilterByCountryMenuItems.MenuItems;
menuItems.Clear();
IEnumerable <string> countries = servers.Select(server => server.Country);
IEnumerable <string> candidates = countries.Concat(new[] { "", Settings.Default.ChosenServerCountry });
CountryIpTable countryIpTable = CountryIpTable.Instance();
foreach (string country in candidates.OrderBy(x => x).Distinct())
{
string countryName = country == "" ? Resources.AnyCountry : countryIpTable.GetCountryName(country);
menuItems.Add(new MenuItem(countryName, delegate
{
if (Settings.Default.ChosenServerCountry == country)
{
return;
}
Settings.Default.ChosenServerCountry = country;
DoUpdate(true);
})
{
Checked = country == Settings.Default.ChosenServerCountry,
RadioCheck = true,
});
}
if ((Settings.Default.ChosenServerCountry ?? "") == "")
{
return(servers);
}
return(servers.Where(server => server.Country == Settings.Default.ChosenServerCountry).ToArray());
}
public static CountryIpTable Instance()
{
if (CurrentInstance == null)
{
CurrentInstance = new CountryIpTable();
}
return(CurrentInstance);
}
