/// <summary>
/// Accepts the component by appending to ComposeParts call.
/// </summary>
/// <param name="e">The edits provider used for accepting.</param>
/// <param name="view">The view where instance will be accepted.</param>
/// <returns>Variable with accepted instance and correct scope.</returns>
private object acceptAppendComponent(EditsProvider e, ExecutionView view)
{
var toAccept = UserInteraction.DraggedInstance;
var componentInfo = Services.GetComponentInfo(toAccept.Info);
if (componentInfo == null)
{
view.Abort("Can accept only components");
return(null);
}
return(e.GetVariableFor(toAccept, view));
}
/// <summary>
/// Accepts the part catalog in constructor.
/// </summary>
/// <param name="e">The edits provider used for accepting.</param>
/// <param name="view">The view where instance will be accepted.</param>
/// <returns>Variable with accepted catalog and correct scope.</returns>
private object acceptPartCatalog(EditsProvider e, ExecutionView view)
{
var instance = UserInteraction.DraggedInstance;
var isCatalog = Services.IsAssignable(TypeDescriptor.Create <ComposablePartCatalog>(), instance.Info);
if (!isCatalog)
{
//allow accepting only components
view.Abort("CompositionContainer can accept only single part catalog");
return(null);
}
return(e.GetVariableFor(instance, view));
}
