/// ------------------------------------------------------------------------------------
/// <summary>
/// Gets the exemplar characters for the given ICU locale.
/// </summary>
/// <param name="icuLocale">Code for the ICU locale.</param>
/// <returns>
/// string containing all the exemplar characters (typically only lowercase
/// word-forming characters)
/// </returns>
/// ------------------------------------------------------------------------------------
public string GetExemplarCharacters(string icuLocale)
{
ILgIcuResourceBundle rbExemplarCharacters = null;
ILgIcuResourceBundle rbLangDef = null;
try
{
rbLangDef = LgIcuResourceBundleClass.Create();
rbLangDef.Init(null, icuLocale);
// if the name of the resource bundle doesn't match the LocaleAbbr
// it loaded something else as a default (e.g. "en").
// in that case we don't want to use the resource bundle so release it.
if (rbLangDef.Name != icuLocale)
{
return(string.Empty);
}
rbExemplarCharacters = rbLangDef.get_GetSubsection("ExemplarCharacters");
return(rbExemplarCharacters.String);
}
finally
{
if (rbExemplarCharacters != null)
{
System.Runtime.InteropServices.Marshal.FinalReleaseComObject(rbExemplarCharacters);
}
if (rbLangDef != null)
{
System.Runtime.InteropServices.Marshal.FinalReleaseComObject(rbLangDef);
}
}
}
/// <summary>
/// Determine whether the specified locale is a custom one the user is allowed to modify.
/// </summary>
/// <param name="localeId"></param>
/// <returns></returns>
public bool IsCustomLocale(string localeId)
{
ILgIcuResourceBundle rbroot = LgIcuResourceBundleClass.Create();
try
{
#if !__MonoCS__
rbroot.Init(null, "en");
#else
// TODO-Linux: fix Mono bug
rbroot.Init("", "en");
#endif
ILgIcuResourceBundle rbCustom = rbroot.get_GetSubsection("Custom");
if (rbCustom != null)
{
ILgIcuResourceBundle rbCustomLocales = rbCustom.get_GetSubsection("LocalesAdded");
Marshal.ReleaseComObject(rbCustom);
if (rbCustomLocales == null)
{
return(false); // Should never be.
}
while (rbCustomLocales.HasNext)
{
ILgIcuResourceBundle rbItem = rbCustomLocales.Next;
if (rbItem.String == localeId)
{
Marshal.ReleaseComObject(rbItem);
Marshal.ReleaseComObject(rbCustomLocales);
return(true);
}
Marshal.ReleaseComObject(rbItem);
}
Marshal.ReleaseComObject(rbCustomLocales);
}
// Now, compare the locale againt all known locales -- it may not exist at all yet!
// If not, it is considered custom.
ILgIcuLocaleEnumerator locEnum = LgIcuLocaleEnumeratorClass.Create();
int cloc = locEnum.Count;
for (int iloc = 0; iloc < cloc; iloc++)
{
if (localeId == locEnum.get_Name(iloc))
{
Marshal.ReleaseComObject(locEnum);
return(false);
}
}
//Didn't find in either list...custom.
Marshal.ReleaseComObject(locEnum);
return(true);
}
finally
{
Marshal.ReleaseComObject(rbroot);
}
}
/// <summary>
/// Determine whether the specified locale is a custom one the user is allowed to modify.
/// </summary>
/// <param name="localeId"></param>
/// <param name="rbroot"></param>
/// <returns></returns>
public bool IsCustomLocale(string localeId, ILgIcuResourceBundle rbroot)
{
ILgIcuResourceBundle rbCustom = rbroot.get_GetSubsection("Custom");
if (rbCustom != null)
{
ILgIcuResourceBundle rbCustomLocales = rbCustom.get_GetSubsection("LocalesAdded");
System.Runtime.InteropServices.Marshal.ReleaseComObject(rbCustom);
if (rbCustomLocales == null)
{
return(false); // Should never be.
}
while (rbCustomLocales.HasNext)
{
ILgIcuResourceBundle rbItem = rbCustomLocales.Next;
if (rbItem.String == localeId)
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(rbItem);
System.Runtime.InteropServices.Marshal.ReleaseComObject(rbCustomLocales);
return(true);
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(rbItem);
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(rbCustomLocales);
}
// Now, compare the locale againt all known locales -- it may not exist at all yet!
// If not, it is considered custom.
ILgIcuLocaleEnumerator locEnum = LgIcuLocaleEnumeratorClass.Create();
int cloc = locEnum.Count;
for (int iloc = 0; iloc < cloc; iloc++)
{
if (localeId == locEnum.get_Name(iloc))
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(locEnum);
return(false);
}
}
//Didn't find in either list...custom.
System.Runtime.InteropServices.Marshal.ReleaseComObject(locEnum);
return(true);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// We are going to be used to choose a 'similar locale' for the specified
/// locale. If this is a standard, built-in locale, disable the button and
/// set its text to 'built-in'. If it's a custom locale, enable the button,
/// and if the text used to be 'built-in' (that is, the previous target locale
/// was built-in), change it to 'None'.
/// </summary>
/// <param name="localeName">Name of the locale.</param>
/// <param name="rbroot">The rbroot.</param>
/// ------------------------------------------------------------------------------------
public void SetupForSimilarLocale(string localeName, ILgIcuResourceBundle rbroot)
{
CheckDisposed();
if (IsCustomLocale(localeName, rbroot))
{
// Since it's a custom locale the user is allowed to control it.
// If it used to say "built in" change it to "none", otherwise,
// they are changing from one custom locale to another, leave the
// current selection alone.
if (Text == m_res.GetString("kstidBuiltIn"))
{
Text = m_res.GetString("kstid_None");
}
Enabled = true;
}
else
{
Text = m_res.GetString("kstidBuiltIn");
Enabled = false;
}
}
/// ------------------------------------------------------------------------------------
/// <summary>
///
/// </summary>
/// ------------------------------------------------------------------------------------
private static bool RbItemWithLocaleIdOrNameExists(ref string localeId, ref string itemFullName, ILgIcuResourceBundle rb, string subsection)
{
string localeIdOrig = localeId;
string itemNameOrig = itemFullName;
if (localeId == null && itemFullName == null)
throw new ArgumentException("Either localeId or itemName should be null, but not both");
ILgIcuResourceBundle rbLocales = null;
try
{
rbLocales = rb.get_GetSubsection(subsection);
if (rbLocales == null)
return false; // Should never be.
while (rbLocales.HasNext)
{
ILgIcuResourceBundle rbItem = null;
try
{
rbItem = rbLocales.Next;
if (localeIdOrig != null && rbItem.Key == localeId)
itemFullName = rbItem.String;
if (itemNameOrig != null && rbItem.String == itemNameOrig)
localeId = rbItem.Key;
// NOTE: it's okay to rename the fullName, if the key(localeId) is found.
// but not okay to rename the Key if the fullName is found.
if (localeIdOrig != null && localeIdOrig == rbItem.Key)
{
return true;
}
else if (itemNameOrig != null && itemNameOrig == rbItem.String)
{
return (localeIdOrig == null || localeIdOrig == rbItem.Key);
}
}
finally
{
if (rbItem != null)
System.Runtime.InteropServices.Marshal.ReleaseComObject(rbItem);
}
}
return false;
}
finally
{
if (rbLocales != null)
System.Runtime.InteropServices.Marshal.ReleaseComObject(rbLocales);
}
}
/// <summary>
/// Make sure the root resource bundle is released. This is important to do before
/// trying to update the resource files.
/// </summary>
public void ReleaseLangDefRb()
{
// ENHANCE (EberhardB): This should probably also be called from Dispose just to
// be safe.
if (m_rbLangDef != null)
{
// Allow this to be cleared to unlock memory mapping root.res
Marshal.FinalReleaseComObject(m_rbLangDef);
m_rbLangDef = null;
IIcuCleanupManager icuMgr = IcuCleanupManagerClass.Create();
icuMgr.UnregisterCleanupCallback(this);
}
}
