public void PrepareAndShow(DockAdornerWindow insertAfter)
{
DockTarget dockTarget = this.AdornedElement as DockTarget;
if (this.dockTarget != dockTarget)
{
this.PrepareAndHide();
this.dockTarget = dockTarget;
}
if (this.window == null)
{
this.UpdateContent();
this.window = new HwndSource(new HwndSourceParameters()
{
Width = 0,
Height = 0,
ParentWindow = this.ownerHwnd,
UsesPerPixelOpacity = true,
WindowName = "DockAdornerWindow",
WindowStyle = -2013265880
});
this.window.SizeToContent = SizeToContent.WidthAndHeight;
this.window.RootVisual = (Visual)this;
DockManager.Instance.RegisterSite((Visual)this, this.window.Handle);
}
this.UpdatePositionAndVisibility(insertAfter);
}
private void UpdateDockPreview(DragAbsoluteEventArgs args, FloatingElement floatingElement)
{
DockManager.DockSiteHitTestResult hitElement = this.FindHitElement(args.ScreenPoint, (Predicate <DockManager.DockSite>)(s => s.Visual != floatingElement));
if (hitElement != null)
{
DockSiteAdorner ancestorOrSelf1 = Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestorOrSelf <DockSiteAdorner>(hitElement.VisualHit);
DockAdornerWindow ancestorOrSelf2 = Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestorOrSelf <DockAdornerWindow>(hitElement.VisualHit);
DockTarget ancestorOrSelf3 = Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestorOrSelf <DockTarget>(hitElement.VisualHit);
FloatSite floatSite = floatingElement.Content as FloatSite;
DockDirection dockDirection = DockDirection.Fill;
FrameworkElement adornedElement = (FrameworkElement)null;
if (floatSite == null)
{
throw new InvalidOperationException("Dragging element must be a FloatSite");
}
if (floatSite.Child == null)
{
throw new InvalidOperationException("floatSite must have at least one child.");
}
ViewElement child = floatSite.Child;
if (this.IsValidFillPreviewOperation(ancestorOrSelf3, child))
{
dockDirection = DockDirection.Fill;
adornedElement = ancestorOrSelf3.AdornmentTarget == null ? (FrameworkElement)ancestorOrSelf3 : ancestorOrSelf3.AdornmentTarget;
}
if (ancestorOrSelf1 != null && ancestorOrSelf2 != null && ancestorOrSelf2.AdornedElement != null)
{
dockDirection = ancestorOrSelf1.DockDirection;
adornedElement = ancestorOrSelf2.AdornedElement;
if (!ancestorOrSelf1.CreatesDocumentGroup && dockDirection != DockDirection.Fill && adornedElement.DataContext is DocumentGroup)
{
adornedElement = (FrameworkElement)Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestor <DocumentGroupContainerControl>((Visual)adornedElement);
}
}
if (adornedElement != null)
{
Rect dockPreviewRect = this.GetDockPreviewRect(dockDirection, adornedElement, child);
this.DockPreviewWindow.Left = dockPreviewRect.Left;
this.DockPreviewWindow.Top = dockPreviewRect.Top;
this.DockPreviewWindow.Width = dockPreviewRect.Width;
this.DockPreviewWindow.Height = dockPreviewRect.Height;
this.OnDockPreviewWindowShowing(this.DockPreviewWindow, dockDirection);
this.DockPreviewWindow.Show();
}
else
{
this.HideDockPreview();
}
}
else
{
this.HideDockPreview();
}
}
public DockAdornerWindow GetAdornerLayer(DockDirection type)
{
DockAdornerWindow dockAdornerWindow;
if (!this.adorners.TryGetValue(type, out dockAdornerWindow))
{
dockAdornerWindow = new DockAdornerWindow(this.Handle);
this.adorners[type] = dockAdornerWindow;
}
return(dockAdornerWindow);
}
public IList <DockAdornerWindow> GetAdornerWindows()
{
List <DockAdornerWindow> list = new List <DockAdornerWindow>();
foreach (DockManager.DockSite dockSite in this.visualToSite.Values)
{
DockAdornerWindow dockAdornerWindow = dockSite.Visual as DockAdornerWindow;
if (dockAdornerWindow != null)
{
list.Add(dockAdornerWindow);
}
}
return((IList <DockAdornerWindow>)list);
}
protected virtual ICollection <DockAdornerWindow> PrepareAndShowAdornerLayers(SortedList <DockDirection, DockTarget> targets, DockManager.DockSite site, ViewElement floatingElement)
{
HashSet <DockAdornerWindow> hashSet = new HashSet <DockAdornerWindow>();
DockAdornerWindow insertAfter = (DockAdornerWindow)null;
foreach (KeyValuePair <DockDirection, DockTarget> keyValuePair in targets)
{
DockAdornerWindow adornerLayer = site.GetAdornerLayer(keyValuePair.Key);
hashSet.Add(adornerLayer);
adornerLayer.AdornedElement = (FrameworkElement)keyValuePair.Value;
adornerLayer.DockDirection = keyValuePair.Key;
adornerLayer.Orientation = this.GetTargetOrientation(keyValuePair.Value);
adornerLayer.AreOuterTargetsEnabled = floatingElement.DockRestriction == DockRestrictionType.None;
adornerLayer.AreInnerTargetsEnabled = !this.IsDocumentGroupContainerTarget(keyValuePair.Value);
adornerLayer.IsInnerCenterTargetEnabled = keyValuePair.Value.DockTargetType != DockTargetType.SidesOnly;
adornerLayer.AreInnerSideTargetsEnabled = keyValuePair.Value.DockTargetType != DockTargetType.CenterOnly;
this.PrepareAdornerLayer(adornerLayer, floatingElement);
adornerLayer.PrepareAndShow(insertAfter);
insertAfter = adornerLayer;
}
return((ICollection <DockAdornerWindow>)hashSet);
}
public void PerformDrop(DragAbsoluteEventArgs args)
{
DragUndockHeader dragUndockHeader = args.OriginalSource as DragUndockHeader;
FloatingWindow floatingWindow = Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestor <FloatingWindow>((Visual)dragUndockHeader);
DockManager.DockSiteHitTestResult hitElement = this.FindHitElement(args.ScreenPoint, (Predicate <DockManager.DockSite>)(s => s.Visual != floatingWindow));
if (hitElement != null)
{
DockSiteAdorner ancestorOrSelf1 = Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestorOrSelf <DockSiteAdorner>(hitElement.VisualHit);
DockAdornerWindow ancestorOrSelf2 = Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestorOrSelf <DockAdornerWindow>(hitElement.VisualHit);
DockTarget dockTarget = Microsoft.VisualStudio.PlatformUI.ExtensionMethods.FindAncestorOrSelf <DockTarget>(hitElement.VisualHit);
DockDirection dockDirection = DockDirection.Fill;
bool flag = false;
bool createDocumentGroup = false;
if (floatingWindow != null && this.IsValidFillPreviewOperation(dockTarget, dragUndockHeader.ViewElement))
{
dockDirection = DockDirection.Fill;
flag = true;
}
if (ancestorOrSelf1 != null && ancestorOrSelf2 != null && ancestorOrSelf2.AdornedElement != null)
{
dockDirection = ancestorOrSelf1.DockDirection;
dockTarget = ancestorOrSelf2.AdornedElement as DockTarget;
if (DockOperations.AreDockRestrictionsFulfilled(dragUndockHeader.ViewElement, dockTarget.TargetElement))
{
flag = true;
createDocumentGroup = ancestorOrSelf1.CreatesDocumentGroup;
}
}
if (flag)
{
PerformanceUtility.MeasurePerformanceUntilRender(PerformanceEvent.DockPalette);
dockTarget.RaiseEvent((RoutedEventArgs) new FloatingElementDockedEventArgs(DockManager.FloatingElementDockedEvent, dragUndockHeader.ViewElement, dockDirection, createDocumentGroup));
}
}
this.ClearAdorners();
}
private void UpdatePositionAndVisibility(DockAdornerWindow insertAfter)
{
if (!this.IsArrangeValid)
{
this.UpdateLayout();
}
double actualWidth = this.ActualWidth;
double actualHeight = this.ActualHeight;
double num1 = actualWidth - this.AdornedElement.ActualWidth;
double num2 = actualHeight - this.AdornedElement.ActualHeight;
Point point1 = DpiHelper.DeviceToLogicalUnits(this.AdornedElement.PointToScreen(new Point(0.0, 0.0)));
RECT lpRect;
NativeMethods.GetWindowRect(this.ownerHwnd, out lpRect);
Point point2 = new Point((double)lpRect.Left, (double)lpRect.Top);
Vector vector = Point.Subtract(point1, point2);
double num3 = vector.X - num1 / 2.0;
double num4 = vector.Y - num2 / 2.0;
double x = vector.X;
double num5 = vector.X - actualWidth + this.AdornedElement.ActualWidth;
double y = vector.Y;
double num6 = vector.Y - actualHeight + this.AdornedElement.ActualHeight;
double offsetX = 0.0;
double offsetY = 0.0;
switch (this.DockDirection)
{
case DockDirection.FirstValue:
offsetX = num3;
offsetY = y;
break;
case DockDirection.Bottom:
offsetX = num3;
offsetY = num6;
break;
case DockDirection.Left:
offsetX = x;
offsetY = num4;
break;
case DockDirection.Right:
offsetX = num5;
offsetY = num4;
break;
case DockDirection.Fill:
offsetX = num3;
offsetY = num4;
break;
}
IntPtr hWndInsertAfter = NativeMethods.HWND_TOPMOST;
if (insertAfter != null)
{
hWndInsertAfter = insertAfter.window.Handle;
}
point2.Offset(offsetX, offsetY);
Point point3 = DpiHelper.LogicalToDeviceUnits(point2);
NativeMethods.SetWindowPos(this.window.Handle, hWndInsertAfter, (int)point3.X, (int)point3.Y, 0, 0, 593);
}
protected virtual void PrepareAdornerLayer(DockAdornerWindow adornerLayer, ViewElement floatingElement)
{
}
internal DockAdornerWindowAutomationPeer(DockAdornerWindow owner)
: base((FrameworkElement)owner)
{
}
