/// <summary>Deletes the settings file.</summary>
public virtual void Delete(string filename = null, SettingsOnFailure onFailure = SettingsOnFailure.Throw)
{
// Save and delete must not be interrupted or superseded by a SaveThreaded
lock (_lock)
{
if (_saveThread != null) // this can only ever occur in the Sleep/lock wait phase of the quick save thread
{
_saveThread.Abort();
_saveThread = null;
}
var attr = SettingsUtil.GetAttribute(GetType());
if (filename == null)
{
filename = attr.GetFileName();
}
if (onFailure == SettingsOnFailure.Throw)
{
File.Delete(filename);
}
else if (onFailure == SettingsOnFailure.DoNothing)
{
try { File.Delete(filename); }
catch { }
}
else
{
while (true)
{
try
{
File.Delete(filename);
break;
}
catch (Exception e)
{
var choices = new List <string>()
{
"Try &again", "&Don't delete settings"
};
if (onFailure == SettingsOnFailure.ShowRetryWithCancel)
{
choices.Add("&Cancel");
}
int choice = DlgMessage.ShowWarning("Program settings could not be deleted.\n({0})\n\nWould you like to try again?".Fmt(e.Message), choices.ToArray());
if (choice == 1)
{
return;
}
if (choice == 2)
{
throw new SettingsCancelException();
}
}
}
;
}
}
}
/// <summary>
/// <para>
/// Saves the settings.</para>
/// <para>
/// This method is fully compatible with <see cref="SettingsThreadedBase.SaveThreaded"/>, and will cancel any
/// pending earlier (older) saves.</para></summary>
public virtual void Save(string filename = null, SettingsSerializer?serializer = null, SettingsOnFailure onFailure = SettingsOnFailure.Throw)
{
// Save and delete must not be interrupted or superseded by a SaveThreaded
lock (_lock)
{
if (_saveThread != null) // this can only ever occur in the Sleep/lock wait phase of the quick save thread
{
_saveThread.Abort();
_saveThread = null;
}
SettingsUtil.save(this, filename, serializer, onFailure);
}
}
internal static void save(SettingsBase settings, string filename, SettingsSerializer?serializer, SettingsOnFailure onFailure)
{
var settingsType = settings.GetType();
var attr = GetAttribute(settingsType);
if (filename == null)
{
filename = attr.GetFileName();
}
if (serializer == null)
{
serializer = attr.Serializer;
}
settings.BeforeSave();
if (onFailure == SettingsOnFailure.Throw)
{
serialize(settings, settingsType, filename, serializer.Value);
}
else if (onFailure == SettingsOnFailure.DoNothing)
{
try { serialize(settings, settingsType, filename, serializer.Value); }
catch { }
}
else
{
while (true)
{
try
{
serialize(settings, settingsType, filename, serializer.Value);
break;
}
catch (Exception e)
{
var choices = new List <string>()
{
"Try &again",
"&Don't save settings",
};
int cancelIndex = -1;
if (onFailure == SettingsOnFailure.ShowRetryWithCancel)
{
cancelIndex = choices.Count;
choices.Add("&Cancel");
}
#if DEBUG
int breakIndex = choices.Count;
choices.Add("&Break debugger");
#endif
int choice = DlgMessage.ShowWarning("Program settings could not be saved.\n({0})\n\nWould you like to try again?".Fmt(e.Message), choices.ToArray());
if (choice == 1)
{
return;
}
if (choice == cancelIndex)
{
throw new SettingsCancelException();
}
#if DEBUG
if (choice == breakIndex)
{
System.Diagnostics.Debugger.Break();
}
#endif
}
}
;
}
}
