public SwitchViewModel(int id, DiagramViewModel parent, double left, double top, bool isOn) : base(id,parent, left,top)
{
Init();
ViewModelParent = parent;
double resistance = isOn ? DiagramViewModel.ZERO_RESISTANCE : DiagramViewModel.INFINITE_RESISTANCE;
Component = new Component(new Node(), new Node(), resistance, 0);
Value = isOn;
}
public MainWindowViewModel()
{
_databaseAccessService = ApplicationServicesProvider.Instance.Provider.DatabaseAccessService;
_savedDiagrams = _databaseAccessService.ListAllDiagramIds();
ToolBoxViewModel = new ToolBoxViewModel();
DiagramViewModel = new DiagramViewModel();
DeleteSelectedItemsCommand = new SimpleCommand(ExecuteDeleteSelectedItemsCommand);
CreateNewDiagramCommand = new SimpleCommand(ExecuteCreateNewDiagramCommand);
SaveDiagramCommand = new SimpleCommand(ExecuteSaveDiagramCommand);
LoadDiagramCommand = new SimpleCommand(ExecuteLoadDiagramCommand);
DeleteDiagramCommand = new SimpleCommand(ExecuteDeleteDiagramCommand);
ConnectorViewModel.PathFinder = new OrthogonalPathFinder();
}
public LightBulbViewModel(int id, DiagramViewModel parent, double left, double top, double resistance) : base(id,parent, left,top)
{
Init();
ViewModelParent = parent;
Component = new Component(new Node(), new Node(), resistance, 0);
}
public void SetDvParent(DiagramViewModel newModel)
{
ViewModelParent = newModel;
}
private DesignerItemViewModelBase GetConnectorDataItem(DiagramViewModel diagramViewModel, int conectorDataItemId, Type connectorDataItemType)
{
DesignerItemViewModelBase dataItem = null;
if (connectorDataItemType == typeof(BatteryDesignerItem))
dataItem = diagramViewModel.Items.OfType<BatteryViewModel>().Single(x => x.Id == conectorDataItemId);
else if (connectorDataItemType == typeof(ResistorDesignerItem))
dataItem = diagramViewModel.Items.OfType<ResistorViewModel>().Single(x => x.Id == conectorDataItemId);
else if(connectorDataItemType == typeof(LightBulbDesignerItem))
dataItem = diagramViewModel.Items.OfType<LightBulbViewModel>().Single(x => x.Id == conectorDataItemId);
else if(connectorDataItemType == typeof(SwitchDesignerItem))
dataItem = diagramViewModel.Items.OfType<SwitchViewModel>().Single(x => x.Id == conectorDataItemId);
else if(connectorDataItemType == typeof(VoltmeterDesignerItem))
dataItem = diagramViewModel.Items.OfType<VoltmeterViewModel>().Single(x => x.Id == conectorDataItemId);
else if(connectorDataItemType == typeof(AmmeterDesignerItem))
dataItem = diagramViewModel.Items.OfType<AmmeterViewModel>().Single(x => x.Id == conectorDataItemId);
return dataItem;
}
private void ExecuteLoadDiagramCommand(object parameter)
{
IsBusy = true;
DiagramItem wholeDiagramToLoad = null;
if (SavedDiagramId == null)
{
MessageBox.Show("No circuit selected to load!", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
IsBusy = false;
return;
}
Task<DiagramViewModel> task = Task.Factory.StartNew(() =>
{
_itemsToRemove = new List<SelectableDesignerItemViewModelBase>();
DiagramViewModel diagramViewModel = new DiagramViewModel();
wholeDiagramToLoad = _databaseAccessService.FetchDiagram(SavedDiagramId.Value);
foreach (DiagramItemData diagramItemData in wholeDiagramToLoad.DesignerItems)
{
if (diagramItemData.ItemType == typeof (BatteryDesignerItem))
{
BatteryDesignerItem item = _databaseAccessService.FetchDesignerItem<BatteryDesignerItem>(diagramItemData.ItemId);
BatteryViewModel viewModel = new BatteryViewModel(item.Id, diagramViewModel, item.Left, item.Top, item.Voltage);
diagramViewModel.Items.Add(viewModel);
diagramViewModel.Circuit.AddComponent(viewModel.Component);
}
else if (diagramItemData.ItemType == typeof (ResistorDesignerItem))
{
ResistorDesignerItem item = _databaseAccessService.FetchDesignerItem<ResistorDesignerItem>(diagramItemData.ItemId);
ResistorViewModel viewModel = new ResistorViewModel(item.Id, diagramViewModel, item.Left, item.Top, item.Resistance);
diagramViewModel.Items.Add(viewModel);
diagramViewModel.Circuit.AddComponent(viewModel.Component);
}
else if (diagramItemData.ItemType == typeof (LightBulbDesignerItem))
{
LightBulbDesignerItem item = _databaseAccessService.FetchDesignerItem<LightBulbDesignerItem>(diagramItemData.ItemId);
LightBulbViewModel viewModel = new LightBulbViewModel(item.Id, diagramViewModel, item.Left, item.Top, item.Resistance);
diagramViewModel.Items.Add(viewModel);
diagramViewModel.Circuit.AddComponent(viewModel.Component);
}
else if (diagramItemData.ItemType == typeof (SwitchDesignerItem))
{
SwitchDesignerItem item = _databaseAccessService.FetchDesignerItem<SwitchDesignerItem>(diagramItemData.ItemId);
SwitchViewModel viewModel = new SwitchViewModel(item.Id, diagramViewModel, item.Left, item.Top, item.IsOn);
diagramViewModel.Items.Add(viewModel);
diagramViewModel.Circuit.AddComponent(viewModel.Component);
}
else if (diagramItemData.ItemType == typeof (VoltmeterDesignerItem))
{
VoltmeterDesignerItem item = _databaseAccessService.FetchDesignerItem<VoltmeterDesignerItem>(diagramItemData.ItemId);
VoltmeterViewModel viewModel = new VoltmeterViewModel(item.Id, diagramViewModel, item.Left, item.Top);
diagramViewModel.Items.Add(viewModel);
diagramViewModel.Circuit.AddComponent(viewModel.Component);
}
else if (diagramItemData.ItemType == typeof (AmmeterDesignerItem))
{
AmmeterDesignerItem item = _databaseAccessService.FetchDesignerItem<AmmeterDesignerItem>(diagramItemData.ItemId);
AmmeterViewModel viewModel = new AmmeterViewModel(item.Id, diagramViewModel, item.Left, item.Top);
diagramViewModel.Items.Add(viewModel);
diagramViewModel.Circuit.AddComponent(viewModel.Component);
}
}
foreach (int connectionId in wholeDiagramToLoad.ConnectionIds) // Load connection items
{
Connection connection = _databaseAccessService.FetchConnection(connectionId);
DesignerItemViewModelBase sourceItem = GetConnectorDataItem(diagramViewModel, connection.SourceId, connection.SourceType);
ConnectorOrientation sourceConnectorOrientation = GetOrientationForConnector(connection.SourceOrientation);
FullyCreatedConnectorInfo sourceConnectorInfo = GetFullConnectorInfo(connection.Id, sourceItem, sourceConnectorOrientation);
DesignerItemViewModelBase sinkItem = GetConnectorDataItem(diagramViewModel, connection.SinkId, connection.SinkType);
ConnectorOrientation sinkConnectorOrientation = GetOrientationForConnector(connection.SinkOrientation);
FullyCreatedConnectorInfo sinkConnectorInfo = GetFullConnectorInfo(connection.Id, sinkItem, sinkConnectorOrientation);
Node left = sourceConnectorOrientation == ConnectorOrientation.Left ? sourceItem.Component.Nodes[0] : sourceItem.Component.Nodes[1];
Node right = sinkConnectorOrientation == ConnectorOrientation.Left ? sinkItem.Component.Nodes[0] : sinkItem.Component.Nodes[1];
ConnectorViewModel model = new ConnectorViewModel(connection.Id, diagramViewModel, sourceConnectorInfo, sinkConnectorInfo, left, right);
diagramViewModel.Items.Add(model);
diagramViewModel.Circuit.AddComponent(model.Component);
}
return diagramViewModel;
});
task.ContinueWith(ant =>
{
DiagramViewModel = ant.Result;
IsBusy = false;
MessageBox.Show("Circuit \"" + wholeDiagramToLoad.Id + "\" loaded successfully.", "Load", MessageBoxButton.OK, MessageBoxImage.Information);
DiagramViewModel.UpdateCircuit(false);
}, TaskContinuationOptions.OnlyOnRanToCompletion);
}
public AmmeterViewModel(int id, DiagramViewModel parent, double left, double top) : base(id,parent, left,top)
{
Init();
ViewModelParent = parent;
Component = new Component(new Node(), new Node(), DiagramViewModel.ZERO_RESISTANCE, 0);
}
public BatteryViewModel(int id, DiagramViewModel parent, double left, double top, double voltage) : base(id,parent, left,top)
{
Init();
ViewModelParent = parent;
Component = new Component(new Node(), new Node(), DiagramViewModel.ZERO_RESISTANCE, voltage);
}