private DicomDataset GetItemDataset(DcmItem item)
{
if (_currentFile.FileMetaInfo.Contains(item.DcmTag))
{
return(_currentFile.FileMetaInfo);
}
if (_currentFile.Dataset.Contains(item.DcmTag))
{
return(_currentFile.Dataset);
}
foreach (DcmItem seq in DicomItems.Where(i => i.TagType == DcmTagType.Sequence))
{
for (int i = 0; i < seq.SequenceItems.Count; i++)
{
if (seq.SequenceItems[i].SequenceItems.Contains(item))
{
return(_currentFile.Dataset.GetDicomItem <DicomSequence>(seq.DcmTag).Items[i]);
}
}
}
return(null);
}
private void InsertDatasetItem(DcmItem item, DicomReadOptions options)
{
if (_sds.Count > 0 && _sds.Count == _sqs.Count)
{
DcmDataset ds = _sds.Peek();
if (_tag.Element == 0x0000)
{
if (Flags.IsSet(options, DicomReadOptions.KeepGroupLengths))
{
ds.AddItem(item);
}
}
else
{
ds.AddItem(item);
}
if (ds.StreamLength != UndefinedLength)
{
long end = ds.StreamPosition + ds.StreamLength;
if ((_stream.Position - _offset) >= end)
{
_sds.Pop();
}
}
}
else
{
if (_tag.Element == 0x0000)
{
if (Flags.IsSet(options, DicomReadOptions.KeepGroupLengths))
{
_dataset.AddItem(item);
}
}
else
{
_dataset.AddItem(item);
}
}
if (_tag == DicomTags.SpecificCharacterSet && item is DcmCodeString)
{
DcmCodeString cs = (DcmCodeString)item;
if (cs.Length > 0)
{
string[] values = cs.GetValues();
for (int i = 0; i < values.Length; i++)
{
if (String.IsNullOrEmpty(values[i]))
{
continue;
}
_encoding = DcmEncoding.GetEncodingForSpecificCharacterSet(values[i]);
break;
}
}
}
}
public void EditDicomItem(DcmItem item)
{
_currentItem = item;
var editor = _viewModelFactory.GetEditDicomItemViewModel();
editor.Initialize(GetItemDataset(item), item.DcmTag);
_windowManager.ShowDialog(editor, this);
}
public void ShowDcmImage(DcmItem item)
{
_currentItem = item;
var preview = _viewModelFactory.GetPreviewImageViewModel();
preview.Initialize(GetItemDataset(item));
_windowManager.ShowDialog(preview, this);
}
public void DcmItemTapped(DcmItem item)
{
if (item.TagType != DcmTagType.Tag)
{
return;
}
if (IsPixelDataItem(item))
{
ShowDcmImage(item);
}
else
{
EditDicomItem(item);
}
}
public bool IsPixelDataItem(DcmItem item)
{
return(item.DcmTag.CompareTo(DicomTag.PixelData) == 0);
}
public DicomNode(Image image, DcmItem elem)
: base()
{
_image = image;
_elem = elem;
}
