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Code Issues Releases Wiki Activity

Localization services for setting culture

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This commit is contained in:
Kyle Spearrin
2016-11-26 10:51:04 -05:00
parent 320d2c5c96
commit 9938fdd4a2
12 changed files with 319 additions and 3 deletions
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101
src/iOS.Core/Services/LocalizeService.cs Normal file
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using System;
using System.Globalization;
using System.Threading;
using Foundation;
using Bit.App.Abstractions;
using Bit.App.Models;
namespace Bit.iOS.Core.Services
{
public class LocalizeService : ILocalizeService
{
public void SetLocale(CultureInfo ci)
{
Thread.CurrentThread.CurrentCulture = ci;
Thread.CurrentThread.CurrentUICulture = ci;
Console.WriteLine("CurrentCulture set: " + ci.Name);
}
public CultureInfo GetCurrentCultureInfo()
{
var netLanguage = "en";
if(NSLocale.PreferredLanguages.Length > 0)
{
var pref = NSLocale.PreferredLanguages[0];
netLanguage = iOSToDotnetLanguage(pref);
}
// this gets called a lot - try/catch can be expensive so consider caching or something
CultureInfo ci = null;
try
{
ci = new CultureInfo(netLanguage);
}
catch(CultureNotFoundException e1)
{
// iOS locale not valid .NET culture (eg. "en-ES" : English in Spain)
// fallback to first characters, in this case "en"
try
{
var fallback = ToDotnetFallbackLanguage(new PlatformCulture(netLanguage));
Console.WriteLine(netLanguage + " failed, trying " + fallback + " (" + e1.Message + ")");
ci = new CultureInfo(fallback);
}
catch(CultureNotFoundException e2)
{
// iOS language not valid .NET culture, falling back to English
Console.WriteLine(netLanguage + " couldn't be set, using 'en' (" + e2.Message + ")");
ci = new CultureInfo("en");
}
}
return ci;
}
private string iOSToDotnetLanguage(string iOSLanguage)
{
Console.WriteLine("iOS Language:" + iOSLanguage);
var netLanguage = iOSLanguage;
//certain languages need to be converted to CultureInfo equivalent
switch(iOSLanguage)
{
case "ms-MY": // "Malaysian (Malaysia)" not supported .NET culture
case "ms-SG": // "Malaysian (Singapore)" not supported .NET culture
netLanguage = "ms"; // closest supported
break;
case "gsw-CH": // "Schwiizertüütsch (Swiss German)" not supported .NET culture
netLanguage = "de-CH"; // closest supported
break;
// add more application-specific cases here (if required)
// ONLY use cultures that have been tested and known to work
}
Console.WriteLine(".NET Language/Locale:" + netLanguage);
return netLanguage;
}
private string ToDotnetFallbackLanguage(PlatformCulture platCulture)
{
Console.WriteLine(".NET Fallback Language:" + platCulture.LanguageCode);
var netLanguage = platCulture.LanguageCode; // use the first part of the identifier (two chars, usually);
switch(platCulture.LanguageCode)
{
//
case "pt":
netLanguage = "pt-PT"; // fallback to Portuguese (Portugal)
break;
case "gsw":
netLanguage = "de-CH"; // equivalent to German (Switzerland) for this app
break;
// add more application-specific cases here (if required)
// ONLY use cultures that have been tested and known to work
}
Console.WriteLine(".NET Fallback Language/Locale:" + netLanguage + " (application-specific)");
return netLanguage;
}
}
}