private StructureViewDragDropHandler.HittestResult Hittest(Point position)
{
StructureViewDragDropHandler.HittestResult hittestResult = new StructureViewDragDropHandler.HittestResult();
if (this.StructureView.TimelineItemManager != null)
{
double indentMultiplier = this.StructureView.IndentMultiplier;
int num = (int)Math.Floor((position.X - indentMultiplier) / this.StructureView.IndentMultiplier);
IList <TimelineItem> list = (IList <TimelineItem>) this.StructureView.TimelineItemManager.ItemList;
if (list != null)
{
for (int index = list.Count - 1; index >= 0; --index)
{
TimelineItem timelineItem = list[index];
if (timelineItem != null && timelineItem.Depth <= num)
{
ElementTimelineItem elementTimelineItem = timelineItem as ElementTimelineItem;
bool flag = elementTimelineItem != null && elementTimelineItem.Element.IsContainer;
hittestResult.allowDropInside = flag || timelineItem.Depth <= num - 1;
hittestResult.candidateItem = timelineItem;
break;
}
}
}
}
return(hittestResult);
}
internal void ShowSplitAdorner(bool showFeedback, TimelineDragDescriptor descriptor)
{
if (showFeedback && descriptor != null && (descriptor.TargetItem != null && !descriptor.HideSplitter))
{
TimelineItem timelineItem = (TimelineItem)null;
bool flag = false;
double num1 = 0.0;
if (descriptor.AllowBetween)
{
timelineItem = descriptor.TargetItem;
flag = (descriptor.ResultDropEffects & TimelineDropEffects.Before) != TimelineDropEffects.None;
num1 = (double)(timelineItem.Depth + descriptor.RelativeDepth);
}
else if (descriptor.TargetItem.IsExpanded && descriptor.DropInDefaultContent)
{
ElementTimelineItem elementTimelineItem = descriptor.TargetItem as ElementTimelineItem;
if (elementTimelineItem != null)
{
ISceneNodeCollection <SceneNode> defaultContent = elementTimelineItem.Element.DefaultContent;
if (defaultContent != null)
{
if (defaultContent.Count > 0 && !this.TimelineItemManager.SortByZOrder)
{
flag = true;
num1 = (double)(descriptor.TargetItem.Depth + 1);
int index = this.TimelineItemManager.ItemList.IndexOf((TimelineItem)elementTimelineItem);
int count = this.TimelineItemManager.ItemList.Count;
while (index < count - 1 && (double)this.TimelineItemManager.ItemList[index + 1].Depth >= num1)
{
++index;
}
timelineItem = this.TimelineItemManager.ItemList[index];
}
else
{
timelineItem = descriptor.TargetItem;
flag = true;
num1 = (double)(timelineItem.Depth + 1);
}
}
}
}
if (timelineItem != null)
{
Point point = ((Visual)this.ElementTree.ItemContainerGenerator.ContainerFromItem((object)timelineItem)).TransformToVisual((Visual)this).Transform(new Point(0.0, 0.0));
bool sortByZorder = this.TimelineItemManager.SortByZOrder;
double indentMultiplier = this.IndentMultiplier;
double left = num1 * this.IndentMultiplier + point.X + indentMultiplier;
double num2 = (double)((int)(this.DropSplitAdorner.ActualHeight - 1.0) / 2);
double num3 = (double)this.Resources[(object)"RowMinHeight"];
double top = point.Y - num2 + (sortByZorder ^ flag ? num3 : 0.0);
this.DropSplitAdorner.Margin = new Thickness(left, top, 0.0, 0.0);
this.DropSplitAdorner.Visibility = Visibility.Visible;
return;
}
}
this.DropSplitAdorner.Visibility = Visibility.Collapsed;
}
private void RemovePartStatus(SceneNode node)
{
if (node == null || node.ViewModel == null || (node.ViewModel.DesignerContext == null || node.ViewModel.TimelineItemManager == null))
{
return;
}
ElementTimelineItem elementTimelineItem = node.ViewModel.TimelineItemManager.FindTimelineItem(node) as ElementTimelineItem;
if (elementTimelineItem == null)
{
return;
}
node.Name = (string)null;
elementTimelineItem.PartStatus = PartStatus.Unused;
elementTimelineItem.Invalidate();
}
private void UpdateElementTimelineItem(SceneElement element, PartInPartsExplorer part)
{
if (element == null || element.ViewModel == null || (element.ViewModel.DesignerContext == null || element.ViewModel.TimelineItemManager == null))
{
return;
}
ElementTimelineItem elementTimelineItem = element.ViewModel.TimelineItemManager.FindTimelineItem((SceneNode)element) as ElementTimelineItem;
if (elementTimelineItem == null)
{
return;
}
this.changedObjectTreeElements = true;
elementTimelineItem.Invalidate();
elementTimelineItem.PartStatus = part.Status;
if (part.Status != PartStatus.WrongType)
{
return;
}
elementTimelineItem.WronglyAssignedPartCorrectType = part.TargetType.Name;
}