public HelixWatch3DNodeViewModel(Watch3D node, Watch3DViewModelStartupParams parameters):
base(parameters)
{
watchNode = node;
IsResizable = true;
RegisterPortEventHandlers(node);
watchNode.Serialized += SerializeCamera;
watchNode.Deserialized += watchNode_Deserialized;
Name = string.Format("{0} Preview", node.GUID);
}
public void Watch3D_Reopened_SizeRemainsTheSame()
{
var random = new Random();
var original = new Watch3D();
// Update the original node instance.
var width = original.Width * (1.0 + random.NextDouble());
var height = original.Height * (1.0 + random.NextDouble());
original.SetSize(Math.Floor(width), Math.Floor(height));
var vmParams = new Watch3DViewModelStartupParams(ViewModel.Model);
var vm1 = new HelixWatch3DNodeViewModel(original, vmParams);
var cam = vm1.Camera;
cam.Position = new Point3D(10, 20, 30);
cam.LookDirection = new Vector3D(15, 25, 35);
// Ensure the serialization survives through file, undo, and copy.
var document = new XmlDocument();
var fileElement = original.Serialize(document, SaveContext.File);
var undoElement = original.Serialize(document, SaveContext.Undo);
var copyElement = original.Serialize(document, SaveContext.Copy);
// Duplicate the node in various save context.
var nodeFromFile = new Watch3D();
var vmFile = new HelixWatch3DNodeViewModel(nodeFromFile, vmParams);
var nodeFromUndo = new Watch3D();
var vmUndo = new HelixWatch3DNodeViewModel(nodeFromUndo, vmParams);
var nodeFromCopy = new Watch3D();
var vmCopy = new HelixWatch3DNodeViewModel(nodeFromCopy, vmParams);
nodeFromFile.Deserialize(fileElement, SaveContext.File);
nodeFromUndo.Deserialize(undoElement, SaveContext.Undo);
nodeFromCopy.Deserialize(copyElement, SaveContext.Copy);
var newCam = vmFile.Camera;
// Making sure we have properties preserved through file operation.
Assert.AreEqual(original.WatchWidth, nodeFromFile.WatchWidth);
Assert.AreEqual(original.WatchHeight, nodeFromFile.WatchHeight);
Assert.AreEqual(cam.Position.X, newCam.Position.X);
Assert.AreEqual(cam.Position.Y, newCam.Position.Y);
Assert.AreEqual(cam.Position.Z, newCam.Position.Z);
Assert.AreEqual(cam.LookDirection.X, newCam.LookDirection.X);
Assert.AreEqual(cam.LookDirection.Y, newCam.LookDirection.Y);
Assert.AreEqual(cam.LookDirection.Z, newCam.LookDirection.Z);
newCam = vmUndo.Camera;
// Making sure we have properties preserved through undo operation.
Assert.AreEqual(original.WatchWidth, nodeFromUndo.WatchWidth);
Assert.AreEqual(original.WatchHeight, nodeFromUndo.WatchHeight);
Assert.AreEqual(cam.Position.X, newCam.Position.X);
Assert.AreEqual(cam.Position.Y, newCam.Position.Y);
Assert.AreEqual(cam.Position.Z, newCam.Position.Z);
Assert.AreEqual(cam.LookDirection.X, newCam.LookDirection.X);
Assert.AreEqual(cam.LookDirection.Y, newCam.LookDirection.Y);
Assert.AreEqual(cam.LookDirection.Z, newCam.LookDirection.Z);
newCam = vmCopy.Camera;
// Making sure we have properties preserved through copy operation.
Assert.AreEqual(original.WatchWidth, nodeFromCopy.WatchWidth);
Assert.AreEqual(original.WatchHeight, nodeFromCopy.WatchHeight);
Assert.AreEqual(cam.Position.X, newCam.Position.X);
Assert.AreEqual(cam.Position.Y, newCam.Position.Y);
Assert.AreEqual(cam.Position.Z, newCam.Position.Z);
Assert.AreEqual(cam.LookDirection.X, newCam.LookDirection.X);
Assert.AreEqual(cam.LookDirection.Y, newCam.LookDirection.Y);
Assert.AreEqual(cam.LookDirection.Z, newCam.LookDirection.Z);
}
