public override List <int> MouseUp(object sender, MouseButtonEventArgs e, ProjectCanvas pc)
{
List <int> result = new List <int>();
if (!(e.LeftButton == MouseButtonState.Released && e.RightButton == MouseButtonState.Released) ||
(MouseDownPoint.X == -1 && MouseDownPoint.Y == -1))
{
return(result);
}
Rect boundingBox = GetBoundingBox();
bool SingleClickFlag = false;
var pos = e.GetPosition(pc);
if ((pos.X - MouseDownPoint.X) * (pos.X - MouseDownPoint.X) + (pos.Y - MouseDownPoint.Y) * (pos.Y - MouseDownPoint.Y) < 5)
{
// single click
boundingBox = new Rect(e.GetPosition(pc).X, e.GetPosition(pc).Y, 0, 0);
SingleClickFlag = true;
}
if (!ResetFlag)
{
for (int i = 0; i < pc.Stones.Count; i++)
{
if (pc.Stones[i] is DominoInCanvas dic && IsInside(dic, boundingBox, SingleClickFlag ? true : IncludeBoundary))
{
result.Add(i);
}
}
}
ResetFlag = false;
RemoveSelectionDomain(pc);
MouseDownPoint = new System.Windows.Point(-1, -1);
return(result);
}
public override void MouseMove(object sender, MouseEventArgs e, ProjectCanvas pc)
{
if (e.LeftButton == MouseButtonState.Released && e.RightButton == MouseButtonState.Released)
{
RemoveSelectionDomain(pc);
return;
}
if (s == null)
{
return;
}
UpdateShapeProperties(e.GetPosition((Canvas)sender));
}
public override void MouseDown(object sender, MouseButtonEventArgs e, ProjectCanvas pc)
{
UpdateSelectionMode(e);
MouseDownPoint = e.GetPosition((Canvas)sender);
SolidColorBrush color = SelectionColor;
s.Stroke = color;
s.StrokeThickness = 8;
Initialize();
ResetFlag = false;
AddSelectionDomain(pc);
}
public override void MouseMove(object sender, MouseEventArgs e, ProjectCanvas pc)
{
if (s == null)
{
return;
}
var poly = s as System.Windows.Shapes.Polyline;
if (poly.Points.Count == points.Count)
{
poly.Points.Add(e.GetPosition(pc));
}
else
{
poly.Points[poly.Points.Count - 1] = e.GetPosition(pc);
}
}
public override void MouseDown(object sender, MouseButtonEventArgs e, ProjectCanvas pc)
{
if (!((e.ChangedButton == MouseButton.Left || e.ChangedButton == MouseButton.Right) &&
(e.LeftButton == MouseButtonState.Pressed ^ e.RightButton == MouseButtonState.Pressed)))
{
return;
}
if (points.Count == 0)
{
firstButton = e.ChangedButton;
if (SelectionMode == SelectionMode.Neutral)
{
CurrentSelectionMode = e.ChangedButton == MouseButton.Left ? SelectionMode.Add : SelectionMode.Remove;
}
else
{
CurrentSelectionMode = SelectionMode;
}
AddSelectionDomain(pc);
}
else if (e.ClickCount == 2)
{
DoubleClickFlag = true;
}
if (e.ChangedButton != firstButton)
{
// selection canceled, clear polygon
points.Clear();
RemoveSelectionDomain(pc);
return;
}
s.Stroke = SelectionColor;
s.StrokeThickness = 8;
points.Add(e.GetPosition(pc));
var poly = s as System.Windows.Shapes.Polyline;
poly.Points = new System.Windows.Media.PointCollection(points);
}
public override List <int> MouseUp(object sender, MouseButtonEventArgs e, ProjectCanvas pc)
{
var result = new List <int>();
if (!DoubleClickFlag)
{
return(result);
}
DoubleClickFlag = false;
var boundingBox = GetBoundingBox();
for (int i = 0; i < pc.Stones.Count; i++)
{
if (pc.Stones[i] is DominoInCanvas dic && IsInside(dic, boundingBox, IncludeBoundary))
{
result.Add(i);
}
}
RemoveSelectionDomain(pc);
points = new List <System.Windows.Point>();
firstButton = null;
return(result);
}
public virtual List <int> MouseUp(object sender, MouseButtonEventArgs e, ProjectCanvas pc)
{
return(new List <int>());
}
public abstract void MouseDown(object sender, MouseButtonEventArgs e, ProjectCanvas pc);
public abstract void MouseMove(object sender, MouseEventArgs e, ProjectCanvas pc);
public void AddSelectionDomain(ProjectCanvas pc)
{
pc.Children.Remove(s);
s.Visibility = Visibility.Visible;
pc.Children.Add(s);
}
public void RemoveSelectionDomain(ProjectCanvas pc)
{
s.Visibility = Visibility.Hidden;
(VisualTreeHelper.GetParent(s) as Canvas)?.Children.Remove(s);
}
