public void Initialize(ViewElement view)
{
this.sibling = DraggedTabInfo.FindFirstSibling(view);
ViewGroup parent = view.Parent;
this.nestedGroup = (ViewElement)null;
this.groupPosition = -1;
this.groupFloatingHeight = 0.0;
this.groupFloatingWidth = 0.0;
this.groupContainer = (DocumentGroupContainer)null;
if (parent == null)
{
return;
}
if (parent.Parent != null)
{
this.groupPosition = parent.Parent.Children.IndexOf((ViewElement)parent);
if (parent != null && parent.Children.Count == 1 && parent.Parent.Children.Count == 1)
{
this.nestedGroup = (ViewElement)parent;
}
}
this.groupDockedWidth = parent.DockedWidth;
this.groupDockedHeight = parent.DockedHeight;
this.groupFloatingWidth = parent.FloatingWidth;
this.groupFloatingHeight = parent.FloatingHeight;
this.groupContainer = parent.Parent as DocumentGroupContainer;
}
private void HandleDragAbsoluteMoveTabInPlace(DragUndockHeader header, DragAbsoluteEventArgs args)
{
DraggedTabInfo draggedTabInfo = DockManager.Instance.DraggedTabInfo;
bool flag = draggedTabInfo.GetTabIndexAt(args.ScreenPoint) == draggedTabInfo.DraggedTabPosition;
if (flag)
{
draggedTabInfo.ClearVirtualTabRect();
}
if (header.ViewElement == null && draggedTabInfo.DraggedViewElement == null)
{
return;
}
ViewElement tab = header.ViewElement ?? draggedTabInfo.DraggedViewElement;
if (!draggedTabInfo.TabStripRect.Contains(args.ScreenPoint) || flag || draggedTabInfo.VirtualTabRect.Contains(args.ScreenPoint))
{
return;
}
int tabIndexAt = draggedTabInfo.GetTabIndexAt(args.ScreenPoint);
if (-1 == tabIndexAt)
{
return;
}
DockOperations.MoveTab(tab, tabIndexAt);
draggedTabInfo.SetVirtualTabRect(tabIndexAt);
draggedTabInfo.MoveTabRect(draggedTabInfo.DraggedTabPosition, tabIndexAt);
draggedTabInfo.DraggedTabPosition = tabIndexAt;
}
private static void OnPanelLayoutUpdated(object sender, RoutedEventArgs args)
{
DraggedTabInfo draggedTabInfo = DockManager.Instance.DraggedTabInfo;
if (draggedTabInfo == null || draggedTabInfo.TabStrip != sender)
{
return;
}
draggedTabInfo.MeasureTabStrip();
}
private void HandleDockIntoTabStrip(DraggedTabInfo tabInfo, DragUndockHeader header, DragAbsoluteEventArgs args)
{
int dockPosition = tabInfo.GetClosestTabIndexAt(args.ScreenPoint);
if (-1 == dockPosition)
{
return;
}
ViewElement viewElement = tabInfo.TargetElement;
if (viewElement == null && tabInfo.GroupContainer != null)
{
viewElement = (ViewElement)DockOperations.CreateDocumentGroupAt(tabInfo.GroupContainer, tabInfo.GroupPosition);
viewElement.DockedHeight = tabInfo.GroupDockedHeight;
viewElement.DockedWidth = tabInfo.GroupDockedWidth;
viewElement.FloatingHeight = tabInfo.GroupFloatingHeight;
viewElement.FloatingWidth = tabInfo.GroupFloatingWidth;
}
if (!DockOperations.AreDockRestrictionsFulfilled(header.ViewElement, viewElement))
{
return;
}
bool flag = false;
ViewGroup viewGroup = tabInfo.NestedGroup as ViewGroup;
if (viewGroup != null)
{
flag = viewGroup.Children.Contains(header.ViewElement);
}
if (!flag && tabInfo.TabRects.Count > 0 && args.ScreenPoint.X > tabInfo.TabRects[tabInfo.TabRects.Count - 1].Right)
{
dockPosition = tabInfo.TabRects.Count;
}
if (tabInfo.TabRects.Count == 0)
{
dockPosition = 0;
}
if (DockManager.Instance.DraggedTabInfo != null && -1 != DockManager.Instance.DraggedTabInfo.DraggedTabPosition)
{
DockManager.Instance.DraggedTabInfo.RemoveTabRect(DockManager.Instance.DraggedTabInfo.DraggedTabPosition);
}
DockOperations.DockAt(viewElement, header.ViewElement, dockPosition);
tabInfo.TabStrip.IsNotificationNeeded = true;
tabInfo.DraggedTabPosition = dockPosition;
tabInfo.ClearVirtualTabRect();
DockManager.Instance.ClearAdorners();
}
public int GetClosestTabIndexAt(Point screenPoint)
{
int num1 = this.GetTabIndexAt(screenPoint);
if (-1 == num1)
{
double num2 = double.MaxValue;
for (int index = 0; index < this.tabRects.Count; ++index)
{
double num3 = DraggedTabInfo.AverageDistance(this.tabRects[index], screenPoint);
if (num3 < num2)
{
num2 = num3;
num1 = index;
}
}
}
return(num1);
}
public Rect GetClosestTabRectAt(Point screenPoint)
{
Rect rect1 = this.GetTabRectAt(screenPoint);
if (rect1.Width == 0.0)
{
double num1 = double.MaxValue;
foreach (Rect rect2 in this.tabRects)
{
double num2 = DraggedTabInfo.AverageDistance(rect2, screenPoint);
if (num2 < num1)
{
num1 = num2;
rect1 = rect2;
}
}
}
return(rect1);
}
private void HandleDragAbsoluteFloatingWindow(DragUndockHeader header, DragAbsoluteEventArgs args)
{
DockManager.Instance.UpdateTargets(args);
DraggedTabInfo autodockTarget = DockManager.Instance.GetAutodockTarget(args);
bool flag = true;
ViewGroup viewGroup = header.ViewElement as ViewGroup;
if (viewGroup != null)
{
flag = viewGroup.VisibleChildren.Count == 1;
}
if (autodockTarget == null || !flag || DockManager.Instance.IsFloatingOverDockAdorner)
{
return;
}
ViewElement viewElement = header.ViewElement;
this.HandleDockIntoTabStrip(autodockTarget, header, args);
DockManager.Instance.DraggedTabInfo = autodockTarget;
DockManager.Instance.DraggedTabInfo.DraggedViewElement = viewElement;
}
private static double AverageDistance(Rect rect, Point point)
{
return((DraggedTabInfo.DistanceSquare(rect.TopLeft, point) + DraggedTabInfo.DistanceSquare(rect.TopRight, point) + DraggedTabInfo.DistanceSquare(rect.BottomLeft, point) + DraggedTabInfo.DistanceSquare(rect.BottomRight, point)) / 4.0);
}