protected override void OnActivated(EventArgs e)
{
base.OnActivated(e);
DockableStyle currentPaneDockableStyle =
_manager.DragPaneServices.FloatingWindow.HostedPane.GetCumulativeDockableStyle();
selectionBox.Visibility = Visibility.Hidden;
owdBottom.Enabled = (currentPaneDockableStyle & DockableStyle.BottomBorder) > 0;
owdTop.Enabled = (currentPaneDockableStyle & DockableStyle.TopBorder) > 0;
owdLeft.Enabled = (currentPaneDockableStyle & DockableStyle.LeftBorder) > 0;
owdRight.Enabled = (currentPaneDockableStyle & DockableStyle.RightBorder) > 0;
}
public DockableStyle GetCumulativeDockableStyle()
{
DockableStyle style = DockableStyle.Dockable;
if (Items.Count == 1 &&
Items[0] is DocumentContent)
{
style = DockableStyle.Document;
}
else
{
foreach (DockableContent content in this.Items)
{
style &= content.DockableStyle;
}
}
return(style);
}
internal void ShowOverlayPaneDockingOptions(Pane paneOvering)
{
var draggingPane = _manager.DragPaneServices.FloatingWindow.HostedPane;
var isDraggingADocumentPane = draggingPane is DocumentPane;
var isDraggingADockablePane = draggingPane is DockablePane;
HideOverlayPaneDockingOptions(paneOvering);
//check if dockable on a document pane
DockableStyle currentPaneDockableStyle =
isDraggingADocumentPane ?
DockableStyle.Document :
(draggingPane as DockablePane).GetCumulativeDockableStyle();
//if current drop pane is a DocumentPane ...
if (paneOvering is DocumentPane &&
(currentPaneDockableStyle & DockableStyle.Document) == 0)
{
return;
}
if (paneOvering is DockablePane &&
(currentPaneDockableStyle & DockableStyle.Dockable) == 0)
{
return;
}
Rect rectPane = (paneOvering as IDropSurface).SurfaceRectangle;
Point myScreenTopLeft = this.PointToScreenDPI(new Point(0, 0));
rectPane.Offset(-myScreenTopLeft.X, -myScreenTopLeft.Y);//relative to me
gridPaneRelativeDockingOptions.SetValue(Canvas.LeftProperty, rectPane.Left);
gridPaneRelativeDockingOptions.SetValue(Canvas.TopProperty, rectPane.Top);
gridPaneRelativeDockingOptions.Width = rectPane.Width;
gridPaneRelativeDockingOptions.Height = rectPane.Height;
//gridPaneRelativeDockingOptions.SetValue(Canvas.LeftProperty, rectPane.Left + rectPane.Width / 2 - gridPaneRelativeDockingOptions.Width / 2);
//gridPaneRelativeDockingOptions.SetValue(Canvas.TopProperty, rectPane.Top + rectPane.Height / 2 - gridPaneRelativeDockingOptions.Height / 2);
if (paneOvering is DocumentPane)
{
gridPaneRelativeDockingOptions.Visibility = Visibility.Visible;
}
else
{
gridPaneRelativeDockingOptions.Visibility = !isDraggingADocumentPane ? Visibility.Visible : Visibility.Hidden;
}
owdBottom.Enabled = ((currentPaneDockableStyle & DockableStyle.BottomBorder) > 0);
owdTop.Enabled = ((currentPaneDockableStyle & DockableStyle.TopBorder) > 0);
owdLeft.Enabled = ((currentPaneDockableStyle & DockableStyle.LeftBorder) > 0);
owdRight.Enabled = ((currentPaneDockableStyle & DockableStyle.RightBorder) > 0);
if (paneOvering is DocumentPane)
{
owdPaneInto.Enabled = true;
}
else
{
owdPaneInto.Enabled = !(_manager.DragPaneServices.FloatingWindow is DocumentFloatingWindow);
}
if (paneOvering is DockablePane || isDraggingADocumentPane)
{
if (owdMainPaneBottom != null)
{
owdMainPaneBottom.Enabled = false;
}
if (owdMainPaneTop != null)
{
owdMainPaneTop.Enabled = false;
}
if (owdMainPaneLeft != null)
{
owdMainPaneLeft.Enabled = false;
}
if (owdMainPaneRight != null)
{
owdMainPaneRight.Enabled = false;
}
}
else if (isDraggingADockablePane)
{
if (owdMainPaneBottom != null)
{
owdMainPaneBottom.Enabled = true;
}
if (owdMainPaneTop != null)
{
owdMainPaneTop.Enabled = true;
}
if (owdMainPaneLeft != null)
{
owdMainPaneLeft.Enabled = true;
}
if (owdMainPaneRight != null)
{
owdMainPaneRight.Enabled = true;
}
}
int destPaneChildCount = paneOvering.Items.Count;
owdPaneBottom.Enabled = owdPaneInto.Enabled && destPaneChildCount > 0;
owdPaneTop.Enabled = owdPaneInto.Enabled && destPaneChildCount > 0;
owdPaneLeft.Enabled = owdPaneInto.Enabled && destPaneChildCount > 0;
owdPaneRight.Enabled = owdPaneInto.Enabled && destPaneChildCount > 0;
CurrentDropPane = paneOvering;
}
public void ShowOverlayPaneDockingOptions(Pane pane)
{
HideOverlayPaneDockingOptions(pane);
//check if dockable on a document pane
DockableStyle currentPaneDockableStyle =
_manager.DragPaneServices.FloatingWindow.HostedPane.GetCumulativeDockableStyle();
//if current drop pane is a DocumentPane ...
if (pane is DocumentPane &&
(currentPaneDockableStyle & DockableStyle.Document) == 0)
{
return;
}
if (pane is DockablePane &&
(currentPaneDockableStyle & DockableStyle.Dockable) == 0)
{
return;
}
Rect rectPane = pane.SurfaceRectangle;
Point myScreenTopLeft = this.PointToScreenDPI(new Point(0, 0));
rectPane.Offset(-myScreenTopLeft.X, -myScreenTopLeft.Y);//relative to me
gridPaneRelativeDockingOptions.SetValue(Canvas.LeftProperty, rectPane.Left + rectPane.Width / 2 - gridPaneRelativeDockingOptions.Width / 2);
gridPaneRelativeDockingOptions.SetValue(Canvas.TopProperty, rectPane.Top + rectPane.Height / 2 - gridPaneRelativeDockingOptions.Height / 2);
if (pane is DocumentPane)
{
gridPaneRelativeDockingOptions.Visibility = Visibility.Visible;
}
else
{
gridPaneRelativeDockingOptions.Visibility = !(_manager.DragPaneServices.FloatingWindow is DocumentFloatingWindow) ? Visibility.Visible : Visibility.Hidden;
}
owdBottom.Enabled = ((currentPaneDockableStyle & DockableStyle.BottomBorder) > 0);
owdTop.Enabled = ((currentPaneDockableStyle & DockableStyle.TopBorder) > 0);
owdLeft.Enabled = ((currentPaneDockableStyle & DockableStyle.LeftBorder) > 0);
owdRight.Enabled = ((currentPaneDockableStyle & DockableStyle.RightBorder) > 0);
if (pane is DocumentPane)
{
owdPaneInto.Enabled = true;
}
else
{
owdPaneInto.Enabled = !(_manager.DragPaneServices.FloatingWindow is DocumentFloatingWindow);
}
int destPaneChildCount = pane.Items.Count;
owdPaneBottom.Enabled = owdPaneInto.Enabled && destPaneChildCount > 0;
owdPaneTop.Enabled = owdPaneInto.Enabled && destPaneChildCount > 0;
owdPaneLeft.Enabled = owdPaneInto.Enabled && destPaneChildCount > 0;
owdPaneRight.Enabled = owdPaneInto.Enabled && destPaneChildCount > 0;
CurrentDropPane = pane;
}
