private static AddDicomWorkerResultState GetCancelResult(int totalCount, int successCount, int failureCount)
{
AddDicomWorkerResultState resultState = new AddDicomWorkerResultState();
resultState.TotalCount = totalCount;
resultState.SuccessCount = successCount;
resultState.FailedCount = failureCount;
resultState.Cancelled = true;
return(resultState);
}
protected override void OnDoWork(DoWorkEventArgs e)
{
List <string> dicomFiles;
int count = 0;
int successCount = 0;
int failureCount = 0;
int selectedFileCount = 0;
int totalFileCount = 0;
string[] selectedFileArray = e.Argument as string[];
if (selectedFileArray != null)
{
selectedFileCount = selectedFileArray.Length;
}
if (this.CancellationPending)
{
// e.Cancel = true;
e.Result = GetCancelResult(selectedFileCount, successCount, failureCount);
return;
}
dicomFiles = GetDicomFiles(e);
if (dicomFiles != null)
{
totalFileCount = dicomFiles.Count;
}
if (this.CancellationPending)
{
// e.Cancel = true;
e.Result = GetCancelResult(totalFileCount, successCount, failureCount);
return;
}
MultiDicomImportEventArgs args = new MultiDicomImportEventArgs(totalFileCount);
EventBroker.Instance.PublishEvent <MultiDicomImportEventArgs>(this, args);
foreach (string file in dicomFiles)
{
if (this.CancellationPending)
{
// e.Cancel = true;
e.Result = GetCancelResult(totalFileCount, successCount, failureCount);
return;
}
using (DicomDataSet ds = new DicomDataSet( ))
{
DicomCommandStatusType status;
string message = string.Empty;
bool successfulLoad = true;
try
{
ds.Load(file, DicomDataSetLoadFlags.None);
}
catch (Exception ex)
{
successfulLoad = false;
message = ex.Message;
if (!File.Exists(file))
{
message = string.Format(@"File does not exist");
// This is needed for the following case
// If importing a DICOMDIR references a large number of files that do not exist, processing occurs so quickly that the import cannot be cancelled.
// So in the case that a file does not exists (i.e. abnormal condition), sleep for 100 ms to give the user time to cancel
Thread.Sleep(100);
}
}
count++;
AddDicomWorkerProgressState state;
StoreClientSessionProxy proxy;
InstanceCStoreCommand cmd;
if (successfulLoad && !OnCancelStore(ds, out message))
{
proxy = new StoreClientSessionProxy();
cmd = new InstanceCStoreCommand(proxy, ds, _DataAccess);
proxy.AffectedSOPInstance = ds.GetValue <string>(DicomTag.SOPInstanceUID, string.Empty);
proxy.AbstractClass = ds.GetValue <string>(DicomTag.SOPClassUID, string.Empty);
proxy.ServerName = _AETitle;
proxy.ClientName = _AETitle;
ds.InsertElementAndSetValue(DicomTag.MediaStorageSOPInstanceUID, proxy.AffectedSOPInstance);
ds.InsertElementAndSetValue(DicomTag.ImplementationClassUID, _ImplementationClassUID);
state = new AddDicomWorkerProgressState();
OnStoreCommandCreated(this, new StoreCommandEventArgs(cmd));
cmd.Execute();
status = proxy.LastStatus;
message = proxy.LastStatusDescriptionMessage;
}
else
{
state = new AddDicomWorkerProgressState();
status = DicomCommandStatusType.ProcessingFailure;
}
if (status == DicomCommandStatusType.Success)
{
successCount++;
state.CurrentCount = successCount;
}
else
{
failureCount++;
state.CurrentCount = failureCount;
}
state.Status = status;
state.TotalCount = dicomFiles.Count;
state.File = file;
state.LoadedDataSet = ds;
state.Description = message;
ReportProgress((count * 100) / dicomFiles.Count, state);
}
}
AddDicomWorkerResultState resultState = new AddDicomWorkerResultState();
resultState.SuccessCount = successCount;
resultState.FailedCount = failureCount;
e.Result = resultState;
}
