private void RemoveDeleteListItem(object arg)
{
// Last chance to avoid deleting a file from MyDeltaFiles - remove it from the list.
if (arg != null && (int)arg > -1)
{
FileDescriptorModel fdv = (FileDescriptorModel)MyDeltaFilesView.CurrentItem;
if (fdv != null)
{
// Remove only from Delta list, leave the rest of collections/lists alone...
MyDeltaFiles.Remove(fdv);
MyDeltaFilesView.MoveCurrentTo(null);
OnPropertyRaised("MyDeltaFilesNo");
OnPropertyRaised("MyRejectionRatio");
}
}
}
private void RemoveRawItem(object arg)
{
if (arg != null && (int)arg > -1)
{
// MyRawFolderFiles.RemoveAt((int)arg); Can't do this...
// In order for us to properly remove Collection item, we have to precisely know,
// what item is at this index of View (View may be filtered, thus index will be different)
// FileDescriptorModel fdv = MyRawGridView.Cast<FileDescriptorModel>().ToArray()[(int)arg]; Although it works, this seems too complicated
FileDescriptorModel fdv = (FileDescriptorModel)MyRawGridView.CurrentItem;
if (fdv != null)
{
MyRawFolderFiles.Remove(fdv);
MyRawFolderListing.FileList.Remove(fdv);
MyRawGridView.MoveCurrentTo(null);
OnPropertyRaised("MyRawFolderFilesNo");
OnPropertyRaised("MyRawFilesNo");
OnPropertyRaised("MyRawFilesShownNo");
}
}
}
private void DeleteSingleDeltaFile(FileDescriptorModel fd)
{
// Try to delete file, checking for potential IO exceptions:
// - if successful, delete this entry from both lists, increment DeletedFilesNo and continue the loop
// - if not successful continue the loop leaving the list as is (perhaps for repeated deleting)
try
{
if (File.Exists(fd.FilePath))
{
if (RSSettingsModel.Instance.RecycleBinSetting)
{
// Move the file to Recycle Bin (watch exceptions if they are the same as from File.Delete())
FileSystem.DeleteFile(fd.FilePath, UIOption.OnlyErrorDialogs, RecycleOption.SendToRecycleBin);
}
else
{
File.Delete(fd.FilePath);
}
}
else
{
MessageBox.Show($"File { fd.FullName } do not exist.", "Warning!", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
catch (IOException)
{
// The file could not be deleted, possibly due to the lock or some other IO problem
MessageBox.Show($"Could not delete file: { fd.FullName } .\nFile may be locked. Hit OK to continue.", "Error!", MessageBoxButton.OK, MessageBoxImage.Error);
}
catch (Exception ex)
{
// Obsługa exception rzucanego przez dialog pochodny (Error) dla dialogu FileSystem.DeleteFile - jeśli naciśnięto Cancel. Działa jak Skip...
// Microsoft nie dokumentuje jakiego typu to jest Exception, stąd łapane i wyświetlane są wszystkie. Do użytkownika należy decyzja, czy program zterminuje, czy pozwoli dalej działać
MessageBoxResult result = MessageBox.Show($"Could not delete file: { fd.FullName } .\nException data: { ex.Message }.\nHit OK to Continue, Cancel to terminate App.", "Error!", MessageBoxButton.OKCancel, MessageBoxImage.Error);
if (result == MessageBoxResult.Cancel)
{
Application.Current.Shutdown();
return;
}
}
}