private void HullCanvas_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
Point loc = e.GetPosition(HullCanvas);
Console.WriteLine("Preview Mouse Down {0},{1}", loc.X, loc.Y);
if (m_handle == null)
{
return;
}
if (e.ButtonState == MouseButtonState.Pressed)
{
if (m_Dragging)
{
m_dragX = loc.X;
m_dragY = loc.Y;
m_handle[m_DraggingHandle].SetValue(Canvas.TopProperty, m_dragY - RECT_SIZE / 2);
m_handle[m_DraggingHandle].SetValue(Canvas.LeftProperty, m_dragX - RECT_SIZE / 2);
//HullCanvas.Children.Remove(m_handle[m_DraggingHandle]);
//Rectangle rect = new Rectangle();
//rect.Height = 8;
//rect.Width = 8;
//rect.Stroke = new SolidColorBrush(Colors.Black); ;
//rect.StrokeThickness = 1;
//Canvas.SetTop(rect, m_dragY - 4);
//Canvas.SetLeft(rect, m_dragX - 4);
//HullCanvas.Children.Add(rect);
//m_handle[m_DraggingHandle] = rect;
}
else
{
m_dragX = loc.X;
m_dragY = loc.Y;
Console.WriteLine("Checking for MouseOver");
for (int ii = 0; ii < m_handle.Length; ii++)
{
Console.WriteLine("Checking {0},{1}",
m_handle[ii].GetValue(Canvas.LeftProperty), m_handle[ii].GetValue(Canvas.TopProperty));
if (m_handle[ii].IsMouseOver)
{
m_DraggingHandle = ii;
m_Dragging = true;
Console.WriteLine("Mouse over {0} {1},{2}", ii, m_dragX, m_dragY);
break;
}
double x = (double)m_handle[ii].GetValue(Canvas.LeftProperty);
double y = (double)m_handle[ii].GetValue(Canvas.TopProperty);
if (x <= loc.X && x + RECT_SIZE >= loc.X &&
y <= loc.Y && y + RECT_SIZE >= loc.Y)
{
m_DraggingHandle = ii;
m_Dragging = true;
Console.WriteLine("Found {0} {1},{2}", ii, m_dragX, m_dragY);
break;
}
}
}
}
else
{
if (m_Dragging)
{
Console.WriteLine("Dropped at {0} {1}", m_dragX, m_dragY);
m_Dragging = false;
//zzz TODO:
// Need to scale and rotate the new point
// Need to place point back in bulkhead plain.
//m_hull.GetBulkheadPoints(currBulkhead.SelectedIndex, points);
m_hull.SetBulkheadPoint(currBulkhead.SelectedIndex, m_DraggingHandle, m_dragX, m_dragY, 0);
Display();
}
}
}
