/// <summary>
/// Stores the initial layout of the node in case the user cancels the resizing.
/// </summary>
/// <param name="inputModeContext"></param>
public void InitializeDrag(IInputModeContext inputModeContext)
{
if (reshapeHandler != null)
{
// if there is a reshape handler: initialize to
// ensure proper handling of a parent group node
reshapeHandler.InitializeReshape(inputModeContext);
}
initialLayout.Reshape(GetNodeBasedOrientedRectangle());
dummyLocation = initialLayout.GetAnchorLocation();
dummySize = initialLayout.GetSize();
initialRect = node.Layout.ToRectD();
portHandles.Clear();
var portContext = new DelegatingContext(inputModeContext);
foreach (var port in node.Ports)
{
var portHandle = new DummyPortLocationModelParameterHandle(port);
portHandle.InitializeDrag(portContext);
portHandles.Add(portHandle);
}
}