protected void DragCardCompleted()
{
// Release the card and its group
foreach (Card c in DraggedCards)
{
c.ReleaseControl();
}
Card.Group.ReleaseControl();
// Remove the visual feedback
var mwc = _mainWin.Content as Visual;
if (mwc != null)
{
AdornerLayer layer = AdornerLayer.GetAdornerLayer(mwc);
foreach (CardDragAdorner overlay in OverlayElements)
{
layer.Remove(overlay);
overlay.Dispose();
}
}
OverlayElements.Clear();
// Raise CardOutEvent
if (_lastDragTarget != null)
{
_lastDragTarget.RaiseEvent(new CardsEventArgs(Card, DraggedCards, CardOutEvent, this));
_lastDragTarget = null;
}
// Raise CardDroppedEvent
IInputElement res = Mouse.DirectlyOver;
if (res != null)
{
var args = new CardsEventArgs(Card, DraggedCards, CardDroppedEvent, this)
{
MouseOffset = _mouseOffset,
FaceUp = !(Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift))
};
res.RaiseEvent(args);
}
// Restore full opacity
// FIX (jods): if the cards have been moved to another group, groupCtrl is null.
// But in this case nothing has to be done opacity-wise since
// the CardControls have been unloaded.
GroupControl groupCtrl = GroupControl;
if (groupCtrl != null)
{
foreach (CardControl cardCtrl in Selection.GetCardControls(groupCtrl, this))
{
cardCtrl.Opacity = 1;
}
}
DraggedCards.Clear();
}
protected void DragCardStarted()
{
DraggedCards.Clear();
// in theory draggedCards should already be empty, but it's better to recover if there was a problem during last DnD
if (!Selection.IsEmpty())
{
DraggedCards.AddRange(Selection.Cards);
}
else if (_isOverCount)
{
DraggedCards.AddRange(MultipleCards.Cast <Card>());
}
else if (Card != null)
{
DraggedCards.Add(Card);
}
else
{
return;
}
// Fix: Card == null can occur, e.g. hold the mouse down but don't move, dismiss the card with a keyboard shortcut (e.g. Delete) and move the mouse after that (with the left button still down).
_isDragging = true;
// Keep control of the card and the group it's in
foreach (Card c in DraggedCards)
{
c.KeepControl();
}
Card.Group.KeepControl();
// Hides the card view
RaiseEvent(new CardEventArgs(CardHoveredEvent, this));
// Starts the drag-and-drop
ScaleFactor = TransformToAncestor(_mainWin).TransformBounds(new Rect(0, 0, 1, 1)).Size;
//bool rot90 = (Card.Orientation & CardOrientation.Rot90) != 0;
_mouseOffset =
new Vector(_mousePt.X * Program.GameEngine.Definition.CardWidth / ActualWidth,
_mousePt.Y * Program.GameEngine.Definition.CardHeight / ActualHeight);
// Create adorners
var mwn = _mainWin.Content as Visual;
AdornerLayer layer = null;
if (mwn != null)
{
layer = AdornerLayer.GetAdornerLayer(mwn);
}
double offset = 0;
double step = ActualWidth * 1.05;
// HACK: if the selected card is in HandControl, its ContentPresenter has a RenderTransform,
// which we must account for
if (GroupControl is HandControl)
{
var parent = VisualTreeHelper.GetParent(this) as ContentPresenter;
if (parent != null)
{
step = 1.05 * parent.RenderTransform.TransformBounds(new Rect(0, 0, ActualWidth, 0)).Width;
}
}
foreach (CardControl cardCtrl in Selection.GetCardControls(GroupControl, this))
{
// Create an adorner
if (Card.Group is Table)
{
var overlay = new CardDragAdorner(cardCtrl, _mouseOffset);
OverlayElements.Add(overlay);
if (layer != null)
{
layer.Add(overlay);
}
}
else
{
// If there are multiple cards but they don't come from the table,
// layout the adorners properly
var overlay = new CardDragAdorner(this, cardCtrl, _mouseOffset);
OverlayElements.Add(overlay);
if (cardCtrl != this)
{
offset += step;
overlay.OffsetBy(offset, 0);
overlay.CollapseTo(0, 0, false);
}
if (layer != null)
{
layer.Add(overlay);
}
}
// Make the card translucent
cardCtrl.Opacity = 0.4;
}
if (!Selection.IsEmpty() || !_isOverCount)
{
return;
}
// Create additional fake adorners when dragging from the count label
offset = 0;
foreach (Card c in MultipleCards.Skip(1))
{
offset += step;
var overlay = new CardDragAdorner(this, _mouseOffset);
overlay.OffsetBy(offset, 0);
overlay.CollapseTo(0, 0, false);
OverlayElements.Add(overlay);
if (layer != null)
{
layer.Add(overlay);
}
}
}