/// <summary>
/// Load the saved favorites from a file in isolated storage.
/// Perform culture conversion if needed
/// </summary>
/// <returns>Deserialized object</returns>
internal static FavoriteCollection LoadFromFile()
{
IsolatedStorage <FavoriteCollection> f = new IsolatedStorage <FavoriteCollection>();
FavoriteCollection loadedFile = f.LoadFromFile(FavoriteData.FavoriteFileName);
if (loadedFile == null)
{
loadedFile = new FavoriteCollection();
}
/* In the case where the favorites were stored in one language, but we have
* switched to another language, check to see if the first item category matches
* the current locale. If it does, then break out. Othewise, convert all of the
* unit information into the current locale
*/
foreach (FavoriteData d in loadedFile)
{
if (string.Compare(d.Category,
Resources.Strings.ResourceManager.GetString(d.CategoryResource),
StringComparison.OrdinalIgnoreCase) == 0)
{
break;
}
d.Category = Resources.Strings.ResourceManager.GetString(d.CategoryResource);
d.SourceUnitName = Resources.Strings.ResourceManager.GetString(d.SourceUnitNameResource);
d.TargetUnitName = Resources.Strings.ResourceManager.GetString(d.TargetUnitNameResource);
d.LabelName = string.Format(CultureInfo.CurrentCulture,
UnitConverter.Resources.Strings.FavoriteItemLabel,
d.SourceUnitName, d.TargetUnitName);
}
return(loadedFile);
}
/// <summary>
/// Saves file on a thread pool thread
/// </summary>
/// <param name="data">Data to save</param>
/// <param name="completed">Delegate to call on completed</param>
/// <param name="handleException">Exception handler delegate</param>
internal static void BeginSaveToFile(
FavoriteCollection data,
Action completed,
Action <Exception> handleException)
{
IsolatedStorage <FavoriteCollection> f = new IsolatedStorage <FavoriteCollection>();
f.BeginSave(FavoriteData.FavoriteFileName, data, completed, handleException);
}
/// <summary>
/// Save object to a file
/// </summary>
/// <param name="data">Object to save</param>
internal static void SaveToFile(FavoriteCollection data)
{
IsolatedStorage <FavoriteCollection> f = new IsolatedStorage <FavoriteCollection>();
f.SaveToFile(FavoriteData.FavoriteFileName, data);
}