/// <summary>
/// Function called when dragged window leaves already docked window</summary>
/// <param name="sender">Dockable window being dragged</param>
/// <param name="e">Drag and drop arguments when window is dropped to be docked to dockpanel</param>
public void DockDragLeave(object sender, DockDragDropEventArgs e)
{
DockIconsLayer dockIconLayer = Root.DockIconsLayer;
dockIconLayer.RemoveChild(m_dockLeftIcon);
dockIconLayer.RemoveChild(m_dockRightIcon);
dockIconLayer.RemoveChild(m_dockTopIcon);
dockIconLayer.RemoveChild(m_dockBottomIcon);
dockIconLayer.RemoveChild(m_dockTabIcon);
if (m_dockPreviewShape != null)
{
Root.DockIconsLayer.RemoveChild(m_dockPreviewShape);
m_dockPreviewShape = null;
}
dockIconLayer.CloseIfEmpty();
}
/// <summary>
/// Function called when dragged window leaves already docked window</summary>
/// <param name="sender">Dockable window being dragged</param>
/// <param name="e">Drag and drop arguments when window is dropped to be docked to dockpanel</param>
public void DockDragLeave(object sender, DockDragDropEventArgs e)
{
DockIconsLayer.RemoveChild(m_dockTabIcon);
if (m_dockPreviewShape != null)
{
DockIconsLayer.RemoveChild(m_dockPreviewShape);
m_dockPreviewShape = null;
}
DockIconsLayer.CloseIfEmpty();
}
/// <summary>
/// Function called when dragged window is moved over already docked window</summary>
/// <param name="sender">Dockable window being dragged</param>
/// <param name="e">Drag and drop arguments when window is dropped to be docked to dockpanel</param>
public void DockDragOver(object sender, DockDragDropEventArgs e)
{
Point pos = e.MouseEventArgs.GetPosition(this);
bool b = m_dockTabIcon.HitTest(pos);
if (b && !m_dockTabIcon.Highlight)
{
m_dockTabIcon.Highlight = b;
DockIconsLayer.RemoveChild(m_dockPreviewShape);
m_dockPreviewShape = null;
Window owner = Window.GetWindow(this);
Rectangle rect = new Rectangle();
rect.Fill = Brushes.RoyalBlue;
rect.Opacity = 0.3;
m_dockPreviewShape = rect;
double space = 2;
Point p = PointFromScreen(PointToScreen(new Point(space, space)));
Canvas c = new Canvas();
c.SnapsToDevicePixels = true;
c.Width = DockedContent.ActualWidth;
c.Height = DockedContent.ActualHeight;
Canvas.SetLeft(c, p.X);
Canvas.SetTop(c, p.Y);
m_dockPreviewShape.Width = DockedContent.ActualWidth - space * 2;
m_dockPreviewShape.Height = DockedContent.ActualHeight - 20 - space * 2;
Canvas.SetLeft(m_dockPreviewShape, 0);
Canvas.SetTop(m_dockPreviewShape, 0);
c.Children.Add(m_dockPreviewShape);
rect = new Rectangle();
rect.Fill = Brushes.RoyalBlue;
rect.Opacity = 0.3;
rect.Width = Math.Min(DockedContent.ActualWidth / 4, 50);
rect.Height = 20;
Canvas.SetLeft(rect, 0);
Canvas.SetTop(rect, DockedContent.ActualHeight - 20 - space * 2);
c.Children.Add(rect);
m_dockPreviewShape = c;
DockIconsLayer.InsertChild(0, m_dockPreviewShape);
}
else if (!b)
{
if (m_dockPreviewShape != null)
{
DockIconsLayer.RemoveChild(m_dockPreviewShape);
m_dockPreviewShape = null;
}
m_dockTabIcon.Highlight = false;
}
}
