/// <summary>
/// Adds sticky bounds handles (with respect to the given camera) to the specified node.
/// </summary>
/// <param name="aNode">The node to add sticky bounds handles to.</param>
/// <param name="camera">The camera to stick the bounds handles to.</param>
/// <remarks>
/// Sticky bounds handles are not affected by the view transform of the camera. That
/// is, they will remain a constant size as the view is zoomed in and out.
/// </remarks>
public static void AddStickyBoundsHandlesTo(PNode aNode, PCamera camera)
{
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateEastLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateWestLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthEastLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateNorthWestLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthEastLocator(aNode)));
camera.AddChild(new PBoundsHandle(PBoundsLocator.CreateSouthWestLocator(aNode)));
}
public override void Initialize()
{
PNode n1 = PPath.CreateEllipse(0, 0, 100, 100);
PNode n2 = PPath.CreateRectangle(300, 200, 100, 100);
n1.Tag = "node 1";
n2.Tag = "node 2";
Canvas.Layer.AddChild(n1);
Canvas.Layer.AddChild(n2);
PCamera camera = Canvas.Camera;
tooltipNode = new PText();
tooltipNode.Pickable = false;
camera.AddChild(tooltipNode);
PBasicInputEventHandler tipEventHandler = new PBasicInputEventHandler();
tipEventHandler.MouseMove = new MouseMoveDelegate(MouseMoveHandler);
tipEventHandler.MouseDrag = new MouseDragDelegate(MouseDragHandler);
camera.AddInputEventListener(tipEventHandler);
}
/// <summary>
/// Sets the camera the bounds handles will be stuck to and the target node that
/// will be resized by the sticky bounds handles.
/// </summary>
/// <param name="newCamera">The camera to stick the bounds handles to.</param>
/// <param name="newTarget">
/// The node that will be resized by the sticky bounds handles.
/// </param>
public virtual void SetCameraTarget(PCamera newCamera, PNode newTarget)
{
camera = newCamera;
camera.AddChild(this);
target = newTarget;
}
