internal static void AddItemsToDocument(SceneView view, IEnumerable <IProjectItem> importedItems, Point dropPoint, ISceneInsertionPoint insertionPoint)
{
bool flag = false;
if (importedItems == null || !Enumerable.Any <IProjectItem>(importedItems))
{
return;
}
using (SceneEditTransaction editTransaction = view.ViewModel.CreateEditTransaction(StringTable.DropElementsIntoSceneUndo))
{
foreach (IProjectItem projectItem in importedItems)
{
if (FileDropToolBehavior.CanInsertTo(view, projectItem, insertionPoint))
{
FileDropToolBehavior.AddToDocument(view, projectItem, dropPoint, insertionPoint);
}
else
{
flag = true;
}
}
editTransaction.Commit();
}
if (!flag)
{
return;
}
MessageBoxArgs args = new MessageBoxArgs()
{
Message = StringTable.DragInsertionContainedIllegalItemsMessage,
Button = MessageBoxButton.OK,
Image = MessageBoxImage.Exclamation
};
int num = (int)view.ViewModel.DesignerContext.MessageDisplayService.ShowMessage(args);
}
protected override bool OnDrop(DragEventArgs args)
{
ISceneInsertionPoint dropInsertionPoint = this.DragDropInsertionPoint;
Point position = args.GetPosition((IInputElement)this.ActiveView.ViewRootContainer);
this.ToolBehaviorContext.SnappingEngine.Start(this.ToolBehaviorContext, (BaseFrameworkElement)null, (IList <BaseFrameworkElement>)null);
Point point = this.ToolBehaviorContext.SnappingEngine.SnapPoint(position, EdgeFlags.All);
Point dropPoint = this.ActiveView.TransformPointFromRoot(dropInsertionPoint.SceneElement, point);
this.ToolBehaviorContext.SnappingEngine.Stop();
SafeDataObject safeDataObject = new SafeDataObject(args.Data);
using (TemporaryCursor.SetWaitCursor())
{
if (safeDataObject.GetDataPresent(DataFormats.FileDrop))
{
FileDropToolBehavior.AddItemsToDocument(this.ActiveView, this.ActiveSceneViewModel.DesignerContext.ActiveProject.AddItems(Enumerable.Select <string, DocumentCreationInfo>((IEnumerable <string>) this.dropUtility.GetSupportedFiles(args.Data), (Func <string, DocumentCreationInfo>)(file => new DocumentCreationInfo()
{
SourcePath = file
}))), dropPoint, dropInsertionPoint);
}
else if (safeDataObject.GetDataPresent("BlendProjectItem"))
{
ItemSelectionSet itemSelectionSet = (ItemSelectionSet)safeDataObject.GetData("BlendProjectItem");
using (SceneEditTransaction editTransaction = this.ActiveSceneViewModel.CreateEditTransaction(StringTable.DropProjectItemIntoSceneUndo))
{
foreach (IProjectItem projectItem in itemSelectionSet.Selection)
{
FileDropToolBehavior.AddToDocument(this.ActiveView, projectItem, dropPoint, dropInsertionPoint);
}
editTransaction.Commit();
}
}
}
if (!this.IsSuspended)
{
this.PopSelf();
}
return(true);
}