void AssociatedObject_MouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
Point point = e.GetPosition(rect);
hitPoint = RectangleHelper.HitTest(point, rect);
if (canvas == null)
{
canvas = (Canvas)VisualTreeHelper.GetParent(this.AssociatedObject);
}
FrameworkElement element = AssociatedObject as FrameworkElement;
if (hitPoint != HitPoint.None)
{
height = rect.ActualHeight;
width = rect.ActualWidth;
rect.Stroke = new SolidColorBrush(Color);
if (rect.StrokeThickness <= 0 && Thickness > 0)
{
rect.StrokeThickness = Thickness;
}
isDragging = true;
mouseOffset = e.GetPosition(AssociatedObject);
mouseOffset2 = e.GetPosition(canvas);
AssociatedObject.CaptureMouse();
}
else
{
rect.Stroke = borderBrush;
rect.StrokeThickness = borderThickness;
}
}
void AssociatedObject_MouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
if (e.ClickCount > 1)
{
return;
}
if (canvas == null)
{
canvas = (Canvas)VisualTreeHelper.GetParent(this.AssociatedObject);
}
rect = GetRectangle(AssociatedObject);
Point point = e.GetPosition(rect);
HitPoint hitPoint = RectangleHelper.HitTest(point, rect);
if (hitPoint == HitPoint.Center || hitPoint == HitPoint.None)
{
isDragging = true;
mouseOffset = e.GetPosition(AssociatedObject);
AssociatedObject.CaptureMouse();
}
}
void AssociatedObject_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
{
Rectangle rect = GetRectangle(AssociatedObject);
FrameworkElement element = AssociatedObject as FrameworkElement;
if (element.Width < 10 || element.Height < 10)
{
return;
}
Point point = e.GetPosition(element);
if (isDragging)
{
isChanged = false;
double newWidth = width;
double newHeight = height;
if (hitPoint == HitPoint.Right)
{
newWidth = point.X + 1;
}
else if (hitPoint == HitPoint.Bottom)
{
newHeight = point.Y + 1;
}
else
{
Canvas canvas = (Canvas)VisualTreeHelper.GetParent(AssociatedObject);
Point point2 = e.GetPosition(canvas);
if (hitPoint == HitPoint.Top)
{
AssociatedObject.SetValue(Canvas.TopProperty, point2.Y - mouseOffset.Y);
newHeight = height - (point2.Y - mouseOffset2.Y);
isChanged = true;
}
else if (hitPoint == HitPoint.Left)
{
AssociatedObject.SetValue(Canvas.LeftProperty, point2.X - mouseOffset.X);
newWidth = width - (point2.X - mouseOffset2.X);
isChanged = true;
}
}
if (newHeight != height && newHeight > 10)
{
SetHeight(element, newHeight);
isChanged = true;
}
if (newWidth != width && newWidth > 10)
{
SetWidth(element, newWidth);
isChanged = true;
}
if (isChanged)
{
OnSizeChanged(element, false);
}
}
else
{
hitPoint = RectangleHelper.HitTest(point, rect);
if (hitPoint != HitPoint.None)
{
rect.Stroke = new SolidColorBrush(Color);
if (rect.StrokeThickness <= 0 && Thickness > 0)
{
rect.StrokeThickness = Thickness;
}
}
else
{
rect.Stroke = borderBrush;
rect.StrokeThickness = borderThickness;
}
}
RectangleHelper.SetCursor(hitPoint);
}
