public void MoveRight(float x)
{
var old = m_area;
m_area.Width = x - m_area.Left;
AreaChanged.Execute(Changed.Create(old, m_area));
}
public void MoveBottom(float y)
{
var old = m_area;
m_area.Height = y - m_area.Top;
AreaChanged.Execute(Changed.Create(old, m_area));
}
public void MoveLeft(float x)
{
var old = m_area;
m_area.Width = m_area.Right - x;
m_area.Location = new PointF(x, m_area.Top);
AreaChanged.Execute(Changed.Create(old, m_area));
}
public void MoveTop(float y)
{
var old = m_area;
m_area.Height = m_area.Bottom - y;
m_area.Location = new PointF(m_area.Left, y);
AreaChanged.Execute(Changed.Create(old, m_area));
}
public void MoveTo(PointF location)
{
var old = m_area;
m_area.X = location.X - m_area.Width / 2.0f;
m_area.Y = location.Y - m_area.Height / 2.0f;
AreaChanged.Execute(Changed.Create(old, m_area));
}
private void AddNodeMovedCallbacks(TNode node)
{
WeakReference <TNode> nodeRef = new WeakReference <TNode>(node);
Action <Changed <RectangleF> > areaChanged = c => NodeAreaChanged(nodeRef, c);
if (m_nodeMovedCallbacks.ContainsKey(node))
{
node.Renderer.AreaChanged -= m_nodeMovedCallbacks[node];
}
node.Renderer.AreaChanged += areaChanged;
m_nodeMovedCallbacks[node] = areaChanged;
node.RendererChanging += () =>
{
node.Renderer.AreaChanged -= areaChanged;
areaChanged(Changed.Create(node.Renderer.Area, Rectangle.Empty));
};
node.RendererChanged += () =>
{
node.Renderer.AreaChanged += areaChanged;
areaChanged(Changed.Create(Rectangle.Empty, node.Renderer.Area));
};
}
