public void RestoreMemento(NodeMemento memento)
{
if (memento is NodePositionMemento positionMemento)
{
var node = myNodes.FirstOrDefault(x => x.id == positionMemento.nodeId);
if (node != null)
{
node.RestoreMemento(positionMemento, this);
}
}
else if (memento is NodeConnectionMemento connectionMemento)
{
foreach (var nodeMemento in connectionMemento.nodeConnections)
{
var node = myNodes.FirstOrDefault(x => x.id == nodeMemento.Key);
if (node != null)
{
node.myConnectionIds = nodeMemento.Value;
node.FormConnections(this);
}
}
}
else if (memento is NodeCreatedMemento createdMemento)
{
var node = myNodes.FirstOrDefault(x => x.id == createdMemento.nodeId);
if (node != null)
{
RemoveNode(node);
}
}
else if (memento is NodeDeletedMemento deletedMemento)
{
AddNode(deletedMemento.node);
foreach (var node in myNodes)
{
if (deletedMemento.nodesWithConnectionToThis.Contains(node.id))
{
node.CreateConnection(deletedMemento.node);
}
}
}
}
private static ProblemMemento BuildMemento(IModelProblem modelProblem)
{
var result = new ProblemMemento()
{
Name = modelProblem.Name
};
foreach (var modelNode in modelProblem.Nodes)
{
var nodeMemento = new NodeMemento()
{
Id = modelNode.Id,
IsXFixed = modelNode.IsXFixed,
IsYFixed = modelNode.IsYFixed,
IsZFixed = modelNode.IsZFixed,
X = modelNode.Coordinates.X,
Y = modelNode.Coordinates.Y,
Z = modelNode.Coordinates.Z
};
result.Nodes.Add(nodeMemento);
}
foreach (var modelForce in modelProblem.Forces)
{
var forceMemento = new ForceMemento()
{
Id = modelForce.Id,
ApplicationVectorX = modelForce.ApplicationVector.X,
ApplicationVectorY = modelForce.ApplicationVector.Y,
ApplicationVectorZ = modelForce.ApplicationVector.Z,
NodeId = modelForce.Node.Id
};
result.Forces.Add(forceMemento);
}
foreach (var modelMaterial in modelProblem.Materials)
{
var materialMemento = new MaterialMemento
{
Id = modelMaterial.Id,
Name = modelMaterial.Name,
YoungsModulus = modelMaterial.YoungsModulus
};
result.Materials.Add(materialMemento);
}
foreach (var modelBarElement in modelProblem.Elements)
{
var barElementMemento = new BarElementMemento
{
Id = modelBarElement.Id,
OriginNodeId = modelBarElement.OriginNode.Id,
DestinationNodeId = modelBarElement.DestinationNode.Id,
MaterialId = modelBarElement.Material.Id,
CrossSectionArea = modelBarElement.CrossSectionArea
};
result.Elements.Add(barElementMemento);
}
return(result);
}
