/// <summary>
/// Initializes a new instance of the <see cref="GraphViewModel"/> class.
/// </summary>
/// <param name="serviceProvider">A service provider that can provide a <see cref="IDispatcherService"/> and an <see cref="GraphViewModelService"/> to use for this view model.</param>
/// <param name="type"></param>
/// <param name="rootPresenters">The root <see cref="INodePresenter"/> instances.</param>
private GraphViewModel([NotNull] IViewModelServiceProvider serviceProvider, [NotNull] Type type, [NotNull] IEnumerable <INodePresenter> rootPresenters)
: base(serviceProvider)
{
if (serviceProvider == null)
{
throw new ArgumentNullException(nameof(serviceProvider));
}
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (rootPresenters == null)
{
throw new ArgumentNullException(nameof(rootPresenters));
}
GraphViewModelService = serviceProvider.TryGet <GraphViewModelService>();
if (GraphViewModelService == null)
{
throw new InvalidOperationException($"{nameof(GraphViewModel)} requires a {nameof(GraphViewModelService)} in the service provider.");
}
Logger = GlobalLogger.GetLogger(DefaultLoggerName);
if (rootPresenters == null)
{
throw new ArgumentNullException(nameof(rootNode));
}
var viewModelFactory = serviceProvider.Get <GraphViewModelService>().NodeViewModelFactory;
viewModelFactory.CreateGraph(this, type, rootPresenters);
}
/// <summary>
/// Initializes a new instance of the <see cref="ObservableViewModel"/> class.
/// </summary>
/// <param name="serviceProvider">A service provider that can provide a <see cref="IDispatcherService"/> and an <see cref="ObservableViewModelService"/> to use for this view model.</param>
private ObservableViewModel(IViewModelServiceProvider serviceProvider)
: base(serviceProvider)
{
ObservableViewModelService = serviceProvider.TryGet<ObservableViewModelService>();
if (ObservableViewModelService == null) throw new InvalidOperationException($"{nameof(ObservableViewModel)} requires a {nameof(ObservableViewModelService)} in the service provider.");
Logger = GlobalLogger.GetLogger(DefaultLoggerName);
}
/// <summary>
/// Initializes a new instance of the <see cref="EditableViewModel"/> class.
/// </summary>
/// <param name="serviceProvider">A service provider that can provide a <see cref="IDispatcherService"/> and an <see cref="IUndoRedoService"/> to use for this view model.</param>
protected EditableViewModel([NotNull] IViewModelServiceProvider serviceProvider)
: base(serviceProvider)
{
if (serviceProvider.TryGet <IUndoRedoService>() == null)
{
throw new ArgumentException("The given IViewModelServiceProvider instance does not contain an service implementing IUndoRedoService.");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="EditableViewModel"/> class.
/// </summary>
/// <param name="serviceProvider">A service provider that can provide a <see cref="IDispatcherService"/> and an <see cref="ITransactionalActionStack"/> to use for this view model.</param>
protected EditableViewModel(IViewModelServiceProvider serviceProvider)
: base(serviceProvider)
{
if (serviceProvider.TryGet <ITransactionalActionStack>() == null)
{
throw new ArgumentException("The given IViewModelServiceProvider instance does not contain an ITransactionalActionStack service.");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DispatcherViewModel"/> class.
/// </summary>
/// <param name="serviceProvider">A service provider that can provide a <see cref="IDispatcherService"/> to use for this view model.</param>
protected DispatcherViewModel(IViewModelServiceProvider serviceProvider)
: base(serviceProvider)
{
Dispatcher = serviceProvider.TryGet <IDispatcherService>();
if (Dispatcher == null)
{
throw new InvalidOperationException($"{nameof(DispatcherViewModel)} requires a {nameof(IDispatcherService)} in the service provider.");
}
}
/// <summary>
/// Initializes a new instance of the <see cref="GraphViewModel"/> class.
/// </summary>
/// <param name="serviceProvider">A service provider that can provide a <see cref="IDispatcherService"/> and an <see cref="GraphViewModelService"/> to use for this view model.</param>
private GraphViewModel(IViewModelServiceProvider serviceProvider)
: base(serviceProvider)
{
GraphViewModelService = serviceProvider.TryGet <GraphViewModelService>();
if (GraphViewModelService == null)
{
throw new InvalidOperationException($"{nameof(GraphViewModel)} requires a {nameof(GraphViewModelService)} in the service provider.");
}
Logger = GlobalLogger.GetLogger(DefaultLoggerName);
}
/// <inheritdoc/>
public object TryGet(Type serviceType)
{
if (serviceType == null)
{
throw new ArgumentNullException(nameof(serviceType));
}
object serviceFound = null;
foreach (var service in services.Where(serviceType.IsInstanceOfType))
{
if (serviceFound != null)
{
throw new InvalidOperationException("Multiple services match the given type.");
}
serviceFound = service;
}
return(parentProvider != null && serviceFound == null?parentProvider.TryGet(serviceType) : serviceFound);
}
private static IEnumerable <Type> FindScriptType([NotNull] IViewModelServiceProvider serviceProvider, [NotNull] AssetItem scriptAsset)
{
return(serviceProvider.TryGet <IScriptSourceCodeResolver>()?.GetTypesFromSourceFile(scriptAsset.FullPath));
}
/// <summary>
/// Initializes a new instance of the <see cref="DispatcherViewModel"/> class.
/// </summary>
/// <param name="serviceProvider">A service provider that can provide a <see cref="IDispatcherService"/> to use for this view model.</param>
protected DispatcherViewModel(IViewModelServiceProvider serviceProvider)
: base(serviceProvider)
{
Dispatcher = serviceProvider.TryGet<IDispatcherService>();
if (Dispatcher == null) throw new InvalidOperationException($"{nameof(DispatcherViewModel)} requires a {nameof(IDispatcherService)} in the service provider.");
}
