public void StartDrag(FloatingWindow wnd, Point point, Point offset)
{
Offset = offset;
_wnd = wnd;
if (Offset.X >= _wnd.Width)
Offset.X = _wnd.Width / 2;
_wnd.Left = point.X - Offset.X;
_wnd.Top = point.Y - Offset.Y;
_wnd.Show();
int surfaceCount = 0;
restart:
surfaceCount = Surfaces.Count;
foreach (IDropSurface surface in Surfaces)
{
if (surface.SurfaceRectangle.Contains(point))
{
SurfacesWithDragOver.Add(surface);
surface.OnDragEnter(point);
Debug.WriteLine("Enter " + surface.ToString());
if (surfaceCount != Surfaces.Count)
{
//Surfaces list has been changed restart cycle
SurfacesWithDragOver.Clear();
goto restart;
}
}
}
}
protected override void CheckItems(System.Collections.IList newItems)
{
foreach (object newItem in newItems)
{
if (!(newItem is DocumentContent))
{
throw new InvalidOperationException("FloatingDocumentPane can contain only DocumentContents!");
}
}
if (Items.Count == 0 && FloatingWindow != null)
{
FloatingWindow.Close(true);
}
}
public void EndDrag(Point point)
{
IDropSurface dropSufrace = null;
foreach (var surface in Surfaces)
{
if (surface.SurfaceRectangle.Contains(point))
{
if (surface.OnDrop(point))
{
dropSufrace = surface;
break;
}
}
}
foreach (var surface in SurfacesWithDragOver)
{
if (surface != dropSufrace)
{
surface.OnDragLeave(point);
}
}
SurfacesWithDragOver.Clear();
_wnd.OnEndDrag(); //notify floating window that drag operation is coming to end
if (dropSufrace != null)
{
_wnd.Close();
}
else
{
_wnd.Visibility = Visibility.Visible;
_wnd.Activate();
}
_wnd = null;
IsDragging = false;
}
public void StartDrag(FloatingWindow wnd, Point point, Point offset)
{
Debug.Assert(!IsDragging);
IsDragging = true;
Offset = offset;
_wnd = wnd;
if (Offset.X >= _wnd.Width)
{
var ox = _wnd.Width / 2;
Offset = new Point(ox, Offset.Y);
}
_wnd.Position = new Point(point.X - Offset.X,
point.Y - Offset.Y);
_wnd.Show();
int surfaceCount = 0;
restart:
surfaceCount = Surfaces.Count;
foreach (IDropSurface surface in Surfaces)
{
if (surface.SurfaceRectangle.Contains(point))
{
SurfacesWithDragOver.Add(surface);
surface.OnDragEnter(point);
Debug.WriteLine("Enter " + surface.ToString());
if (surfaceCount != Surfaces.Count)
{
//Surfaces list has been changed restart cycle
SurfacesWithDragOver.Clear();
goto restart;
}
}
}
}
public void StartDrag(FloatingWindow wnd, Point point, Point offset)
{
Debug.Assert(!IsDragging);
IsDragging = true;
Offset = offset;
_wnd = wnd;
if (Offset.X >= _wnd.Width)
{
Offset.X = _wnd.Width / 2;
}
_wnd.Left = point.X - Offset.X;
_wnd.Top = point.Y - Offset.Y;
_wnd.Show();
var surfaceCount = 0;
restart:
surfaceCount = Surfaces.Count;
foreach (var surface in Surfaces)
{
if (surface.SurfaceRectangle.Contains(point))
{
SurfacesWithDragOver.Add(surface);
surface.OnDragEnter(point);
Debug.WriteLine("Enter " + surface);
if (surfaceCount != Surfaces.Count)
{
//Surfaces list has been changed restart cycle
SurfacesWithDragOver.Clear();
goto restart;
}
}
}
}
internal void UnregisterFloatingWindow(FloatingWindow floatingWindow)
{
if (_floatingWindows != null)
_floatingWindows.Remove(floatingWindow);
}
internal void RegisterFloatingWindow(FloatingWindow floatingWindow)
{
if (_floatingWindows != null)
{
floatingWindow.FlowDirection = this.FlowDirection;
if (!_floatingWindows.Contains(floatingWindow))
_floatingWindows.Add(floatingWindow);
}
}
/// <summary>
/// Begins dragging operations
/// </summary>
/// <param name="floatingWindow">Floating window containing pane which is dragged by user</param>
/// <param name="point">Current mouse position</param>
/// <param name="offset">Offset to be use to set floating window screen position</param>
/// <returns>Retruns True is drag is completed, false otherwise</returns>
internal bool Drag(FloatingWindow floatingWindow, Point point, Point offset)
{
bool mouseCaptured = IsMouseCaptured;
if (!mouseCaptured)
mouseCaptured = CaptureMouse();
if (mouseCaptured)
{
floatingWindow.Owner = Window.GetWindow(this);
DragPaneServices.StartDrag(floatingWindow, point, offset);
return true;
}
return false;
}
public FloatingDockablePane(FloatingWindow floatingWindow)
{
_floatingWindow = floatingWindow;
}
public FloatingDockablePane(FloatingWindow floatingWindow)
{
//_referencedPane = referencedPane;
_floatingWindow = floatingWindow;
}
public FloatingDockablePane(FloatingWindow floatingWindow)
{
_floatingWindow = floatingWindow;
}
public void EndDrag(Point point)
{
IDropSurface dropSufrace = null;
foreach (IDropSurface surface in Surfaces)
{
if (surface.SurfaceRectangle.Contains(point))
{
if (surface.OnDrop(point))
{
dropSufrace = surface;
break;
}
}
}
foreach (IDropSurface surface in SurfacesWithDragOver)
{
if (surface != dropSufrace)
{
surface.OnDragLeave(point);
}
}
SurfacesWithDragOver.Clear();
_wnd.OnEndDrag();//notify floating window that drag operation is coming to end
if (dropSufrace != null)
_wnd.Close();
else
{
_wnd.Visibility = Visibility.Visible;
_wnd.Activate();
}
_wnd = null;
IsDragging = false;
}
