public override void Run()
{
if (!_dontSave)
{
try
{
if (_db.CanWrite == false)
{
//this should only happen if there is a problem in the UI so that the user sees an edit interface.
Finish(false, "Cannot save changes. File is read-only!");
return;
}
string message = _app.GetResourceString(UiStringKey.saving_database);
if (ShowDatabaseIocInStatus)
{
message += " (" + _app.GetFileStorage(_db.Ioc).GetDisplayName(_db.Ioc) + ")";
}
StatusLogger.UpdateMessage(message);
IOConnectionInfo ioc = _db.Ioc;
IFileStorage fileStorage = _app.GetFileStorage(ioc);
if (_streamForOrigFile == null)
{
if ((!_app.GetBooleanPreference(PreferenceKey.CheckForFileChangesOnSave)) ||
(_db.KpDatabase.HashOfFileOnDisk == null)) //first time saving
{
PerformSaveWithoutCheck(fileStorage, ioc);
Finish(true);
return;
}
}
bool hasStreamForOrigFile = (_streamForOrigFile != null);
bool hasChangeFast = hasStreamForOrigFile ||
fileStorage.CheckForFileChangeFast(ioc, _db.LastFileVersion); //first try to use the fast change detection;
bool hasHashChanged = hasChangeFast ||
(FileHashChanged(ioc, _db.KpDatabase.HashOfFileOnDisk) ==
FileHashChange.Changed); //if that fails, hash the file and compare:
if (hasHashChanged)
{
Kp2aLog.Log("Conflict. " + hasStreamForOrigFile + " " + hasChangeFast + " " + hasHashChanged);
bool alwaysMerge = (PreferenceManager.GetDefaultSharedPreferences(Application.Context)
.GetBoolean("AlwaysMergeOnConflict", false));
if (alwaysMerge)
{
MergeAndFinish(fileStorage, ioc);
}
else
{
//ask user...
_app.AskYesNoCancel(UiStringKey.TitleSyncQuestion, UiStringKey.MessageSyncQuestion,
UiStringKey.YesSynchronize,
UiStringKey.NoOverwrite,
//yes = sync
(sender, args) =>
{
Action runHandler = () => { MergeAndFinish(fileStorage, ioc); };
RunInWorkerThread(runHandler);
},
//no = overwrite
(sender, args) =>
{
RunInWorkerThread(() =>
{
PerformSaveWithoutCheck(fileStorage, ioc);
Finish(true);
});
},
//cancel
(sender, args) =>
{
RunInWorkerThread(() => Finish(false));
},
_ctx
);
}
}
else
{
PerformSaveWithoutCheck(fileStorage, ioc);
Finish(true);
}
}
catch (Exception e)
{
/* TODO KPDesktop:
* catch(Exception exSave)
* {
* MessageService.ShowSaveWarning(pd.IOConnectionInfo, exSave, true);
* bSuccess = false;
* }
*/
Kp2aLog.LogUnexpectedError(e);
Finish(false, e.Message);
return;
}
}
else
{
Finish(true);
}
}
public override void Run()
{
if (!_dontSave)
{
try
{
if (_db.CanWrite == false)
{
//this should only happen if there is a problem in the UI so that the user sees an edit interface.
Finish(false, "Cannot save changes. File is read-only!");
return;
}
string message = _app.GetResourceString(UiStringKey.saving_database);
if (ShowDatabaseIocInStatus)
{
message += " (" + _app.GetFileStorage(_db.Ioc).GetDisplayName(_db.Ioc) + ")";
}
StatusLogger.UpdateMessage(message);
IOConnectionInfo ioc = _db.Ioc;
IFileStorage fileStorage = _app.GetFileStorage(ioc);
if (_streamForOrigFile == null)
{
if ((!_app.GetBooleanPreference(PreferenceKey.CheckForFileChangesOnSave)) ||
(_db.KpDatabase.HashOfFileOnDisk == null)) //first time saving
{
PerformSaveWithoutCheck(fileStorage, ioc);
Finish(true);
return;
}
}
if (
(_streamForOrigFile != null) ||
fileStorage.CheckForFileChangeFast(ioc, _db.LastFileVersion) || //first try to use the fast change detection
(FileHashChanged(ioc, _db.KpDatabase.HashOfFileOnDisk) == FileHashChange.Changed) //if that fails, hash the file and compare:
)
{
//ask user...
_app.AskYesNoCancel(UiStringKey.TitleSyncQuestion, UiStringKey.MessageSyncQuestion,
UiStringKey.YesSynchronize,
UiStringKey.NoOverwrite,
//yes = sync
(sender, args) =>
{
Action runHandler = () =>
{
//note: when synced, the file might be downloaded once again from the server. Caching the data
//in the hashing function would solve this but increases complexity. I currently assume the files are
//small.
MergeIn(fileStorage, ioc);
PerformSaveWithoutCheck(fileStorage, ioc);
_db.UpdateGlobals();
Finish(true);
};
RunInWorkerThread(runHandler);
},
//no = overwrite
(sender, args) =>
{
RunInWorkerThread(() =>
{
PerformSaveWithoutCheck(fileStorage, ioc);
Finish(true);
});
},
//cancel
(sender, args) =>
{
RunInWorkerThread(() => Finish(false));
},
_ctx
);
}
else
{
PerformSaveWithoutCheck(fileStorage, ioc);
Finish(true);
}
}
catch (Exception e)
{
/* TODO KPDesktop:
* catch(Exception exSave)
* {
* MessageService.ShowSaveWarning(pd.IOConnectionInfo, exSave, true);
* bSuccess = false;
* }
*/
Kp2aLog.LogUnexpectedError(e);
Finish(false, e.Message);
return;
}
}
else
{
Finish(true);
}
}
public bool CheckForFileChangeFast(IOConnectionInfo ioc, string previousFileVersion)
{
return(_baseStorage.CheckForFileChangeFast(ioc, previousFileVersion));
}
