protected override DragDropOption PerformDropForeignItems(IList <IGalleryItem> droppingItems, IGalleryItem targetItem, DragDropOption actions, ModifierFlags modifiers)
{
PatientItem patient = (PatientItem)targetItem;
DragDropOption action = DragDropOption.None;
foreach (IGalleryItem droppingItem in droppingItems)
{
if (droppingItem is StudyItem)
{
StudyItem study = (StudyItem)droppingItem;
if (modifiers == ModifierFlags.None)
{
if (!patient.Studies.Contains(study))
{
patient.Studies.Add(study.Copy());
action = DragDropOption.Move;
}
}
else if (modifiers == ModifierFlags.Shift)
{
patient.Studies.Add(study.Copy());
action = DragDropOption.Copy;
}
}
else if (droppingItem is SeriesItem)
{
SeriesItem series = (SeriesItem)droppingItem;
if (modifiers == ModifierFlags.None)
{
StudyNode studyNode = (StudyNode)GetNodeAncestor(series.Node, 1);
PatientNode patientNode = (PatientNode)GetNodeAncestor(studyNode, 1);
if (patient.Node != patientNode)
{
StudyItem study = new StudyItem(studyNode.Copy(false));
study.Series.Add(series.Copy());
study.UpdateIcon();
patient.Studies.Add(study);
action = DragDropOption.Move;
}
}
else if (modifiers == ModifierFlags.Shift)
{
StudyNode studyNode = (StudyNode)GetNodeAncestor(series.Node, 1);
StudyItem study = new StudyItem(studyNode.Copy(false));
study.Series.Add(series.Copy());
study.UpdateIcon();
patient.Studies.Add(study);
action = DragDropOption.Copy;
}
}
else if (droppingItem is ImageItem)
{
ImageItem image = (ImageItem)droppingItem;
if (modifiers == ModifierFlags.None)
{
SeriesNode seriesNode = (SeriesNode)GetNodeAncestor(image.Node, 1);
StudyNode studyNode = (StudyNode)GetNodeAncestor(seriesNode, 1);
PatientNode patientNode = (PatientNode)GetNodeAncestor(studyNode, 1);
if (patient.Node != patientNode)
{
SeriesItem series = new SeriesItem(seriesNode.Copy(false));
StudyItem study = new StudyItem(studyNode.Copy(false));
series.Images.Add(image.Copy());
series.UpdateIcon();
study.Series.Add(series);
study.UpdateIcon();
patient.Studies.Add(study);
action = DragDropOption.Move;
}
}
else if (modifiers == ModifierFlags.Shift)
{
SeriesNode seriesNode = (SeriesNode)GetNodeAncestor(image.Node, 1);
StudyNode studyNode = (StudyNode)GetNodeAncestor(seriesNode, 1);
SeriesItem series = new SeriesItem(seriesNode.Copy(false));
StudyItem study = new StudyItem(studyNode.Copy(false));
series.Images.Add(image.Copy());
series.UpdateIcon();
study.Series.Add(series);
study.UpdateIcon();
patient.Studies.Add(study);
action = DragDropOption.Copy;
}
}
}
return(action);
}
