/// <summary>
/// Tries to create a view model from a given stream.
/// </summary>
/// <param name="text">Display text or filename of the resource for the resulting <see cref="DataViewNode"/>.</param>
/// <param name="stream">Stream containing resource data.</param>
/// <param name="viewModel">The resulting view model for the given resource.</param>
/// <returns>Whether or not the operation succeeded.</returns>
public static bool TryCreate(string text, Stream stream, out DataViewNode viewModel)
{
return(TryCreate(text, stream, null, out viewModel));
}
/// <summary>
/// Tries to create a view model from a given stream.
/// </summary>
/// <param name="text">Display text or filename of the resource for the resulting <see cref="DataViewNode"/>.</param>
/// <param name="stream">Stream containing resource data.</param>
/// <param name="viewModel">The resulting view model for the given resource.</param>
/// <returns>Whether or not the operation succeeded.</returns>
public static bool TryCreate(string text, Stream stream, object[] extraArguments, out DataViewNode viewModel)
{
// check if the given text is likely a filename
string filename = null;
if (stream is FileStream fileStream)
{
filename = fileStream.Name;
}
else
{
if (Path.HasExtension(text))
{
filename = text;
}
}
// try get module for importing
if (!ModuleImportUtilities.TryGetModuleForImport(stream, out var module, filename))
{
// fallback
viewModel = new StreamViewNode(text, stream);
viewModel.Initialize();
return(true);
}
// import resource w/ module
var resource = module.Import(stream, filename);
// try to create a view model
if (!TryCreate(text, resource, module.ModelType, extraArguments, out viewModel))
{
return(false);
}
return(true);
}
/// <summary>
/// Tries to create an view model from a given file.
/// </summary>
/// <param name="filepath">File path pointing to a resource to import.</param>
/// <param name="viewModel">The resulting view model for the given resource.</param>
/// <returns>Whether or not the operation succeeded.</returns>
public static bool TryCreate(string filepath, out DataViewNode viewModel)
{
return(TryCreate(filepath, ( object[] )null, out viewModel));
}
/// <summary>
/// Tries to create a view model from a given stream.
/// </summary>
/// <param name="text">Display text or filename of the resource for the resulting <see cref="DataViewNode"/>.</param>
/// <param name="resource">The resource for which to create a view model for.</param>
/// <param name="viewModel">The resulting view model for the given resource.</param>
/// <returns>Whether or not the operation succeeded.</returns>
public static bool TryCreate(string text, object resource, Type type, object[] extraArguments, out DataViewNode viewModel)
{
if (!sCreatorByType.TryGetValue(type, out var adapterCreator))
{
// check if the type is a constructed generic type
if (type.IsConstructedGenericType)
{
// try looking up the unbound generic type definition
var typeGenericUnbound = type.GetGenericTypeDefinition();
if (!sCreatorByType.TryGetValue(typeGenericUnbound, out adapterCreator))
{
viewModel = null;
return(false);
}
}
else
{
viewModel = null;
return(false);
}
}
viewModel = adapterCreator(text, resource, extraArguments);
return(true);
}
/// <summary>
/// Tries to create a view model from a given stream.
/// </summary>
/// <param name="text">Display text or filename of the resource for the resulting <see cref="DataViewNode"/>.</param>
/// <param name="resource">The resource for which to create a view model for.</param>
/// <param name="viewModel">The resulting view model for the given resource.</param>
/// <returns>Whether or not the operation succeeded.</returns>
public static bool TryCreate(string text, object resource, object[] extraArguments, out DataViewNode viewModel)
{
return(TryCreate(text, resource, resource.GetType(), extraArguments, out viewModel));
}
/// <summary>
/// Tries to create a view model from a given stream.
/// </summary>
/// <param name="text">Display text or filename of the resource for the resulting <see cref="DataViewNode"/>.</param>
/// <param name="resource">The resource for which to create a view model for.</param>
/// <param name="viewModel">The resulting view model for the given resource.</param>
/// <returns>Whether or not the operation succeeded.</returns>
public static bool TryCreate(string text, object resource, out DataViewNode viewModel)
{
return(TryCreate(text, resource, null, out viewModel));
}
public DataViewNodePropertyChangedEventArgs(DataViewNode node, string propertyName)
{
Node = node;
PropertyName = propertyName;
}