public void SerializeProblem(IModelProblem modelProblem, string filePath)
{
if (modelProblem is null)
{
throw new ArgumentNullException(nameof(modelProblem));
}
if (string.IsNullOrEmpty(filePath))
{
throw new ArgumentException(nameof(filePath));
}
var directoryPath = Path.GetDirectoryName(filePath);
if (!_fileSystem.DirectoryExists(directoryPath))
{
_fileSystem.CreateDirectory(directoryPath);
}
if (_fileSystem.FileExists(filePath))
{
_fileSystem.FileDelete(filePath);
}
var memento = BuildMemento(modelProblem);
var json = JsonConvert.SerializeObject(memento);
_fileSystem.FileWrite(filePath, json);
}
public ProblemViewModel(IModelProblem modelProblem, IProblemSerializer problemSerializer, IDialogService dialogService)
{
Nodes = new ObservableCollection <NodeViewModel>();
Elements = new ObservableCollection <ElementViewModel>();
Forces = new ObservableCollection <ForceViewModel>();
Materials = new ObservableCollection <MaterialViewModel>();
_dialogService = dialogService;
_problemSerializer = problemSerializer;
LoadProblem(modelProblem);
Nodes.CollectionChanged += CollectionChanged;
Elements.CollectionChanged += CollectionChanged;
Forces.CollectionChanged += CollectionChanged;
Materials.CollectionChanged += CollectionChanged;
ProblemCalculationViewModel = new ProblemCalculationViewModel(this);
SaveProblemCommand = new Command(SaveProblem);
LoadProblemCommand = new Command(LoadProblem);
NewProblemCommand = new Command(NewProblem);
}
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);
}
