public override IDropAction CreateInstance(DragDropContext context)
{
this.CheckNullArgument((object)context, "context");
TypeAsset result1 = (TypeAsset)null;
if (DragSourceHelper.FirstDataOfType <TypeAsset>(context.Data, ref result1) && PlatformTypes.IsEffectType((ITypeId)result1.Type))
{
ISceneInsertionPoint insertionPoint = this.GetInsertionPoint((object)result1, context);
if (insertionPoint != null)
{
return((IDropAction) new DropEffectAssetAction(result1, insertionPoint));
}
}
DocumentNodeMarkerSortedList result2 = (DocumentNodeMarkerSortedList)null;
if (DragSourceHelper.FirstDataOfType <DocumentNodeMarkerSortedList>(context.Data, ref result2) && result2.Count == 1)
{
DocumentNodeMarker marker = result2.MarkerAt(0);
if (marker != null && marker.Node != null && PlatformTypes.IsEffectType((ITypeId)marker.Node.Type))
{
SceneViewModel viewModel = context.Target.TimelineItemManager.ViewModel;
SceneNode sceneNode = SceneNode.FromMarker <SceneNode>(marker, viewModel);
if (sceneNode != null)
{
ISceneInsertionPoint insertionPoint = this.GetInsertionPoint((object)sceneNode, context);
if (insertionPoint != null)
{
return((IDropAction) new DropEffectSceneNodeAction(sceneNode, insertionPoint));
}
}
}
}
return((IDropAction)null);
}
internal static IProperty GetPropertyToInsert(SceneElement element, ITypeId typeToInsert, SceneNode child)
{
IProperty property = (IProperty)null;
if (typeToInsert == null)
{
if (child != null)
{
if (child.DocumentNode.SitePropertyKey != null)
{
return(child.DocumentNode.SitePropertyKey);
}
if (child.DocumentNode.Parent.SitePropertyKey != null)
{
return(child.DocumentNode.Parent.SitePropertyKey);
}
}
return(element.InsertionTargetProperty);
}
IType type = typeToInsert != null?element.ProjectContext.ResolveType(typeToInsert) : (IType)null;
if (type != null)
{
if (PlatformTypes.IsEffectType((ITypeId)type))
{
property = element.ProjectContext.ResolveProperty(Base2DElement.EffectProperty);
}
else if (ProjectNeutralTypes.BehaviorTriggerAction.IsAssignableFrom((ITypeId)type))
{
property = element.ProjectContext.ResolveProperty(BehaviorHelper.BehaviorTriggersProperty);
}
else if (ProjectNeutralTypes.Behavior.IsAssignableFrom((ITypeId)type))
{
property = element.ProjectContext.ResolveProperty(BehaviorHelper.BehaviorsProperty);
}
else if (ProjectNeutralTypes.DataGridColumn.IsAssignableFrom((ITypeId)type))
{
property = element.ProjectContext.ResolveProperty(DataGridElement.ColumnsProperty);
}
}
return(property ?? element.InsertionTargetProperty);
}
public ISceneInsertionPoint Create(object data)
{
if (this.Element != null)
{
TypeAsset typeAsset = data as TypeAsset;
if (typeAsset != null && PlatformTypes.IsEffectType((ITypeId)typeAsset.Type))
{
IProperty targetProperty = this.Element.ProjectContext.ResolveProperty(Base2DElement.EffectProperty);
if (targetProperty != null)
{
return((ISceneInsertionPoint) new PropertySceneInsertionPoint(this.Element, targetProperty));
}
}
SceneNode sceneNode = data as SceneNode;
if (sceneNode != null && PlatformTypes.IsEffectType((ITypeId)sceneNode.Type))
{
return((ISceneInsertionPoint) new PropertySceneInsertionPoint(this.Element, this.Element.ProjectContext.ResolveProperty(Base2DElement.EffectProperty)));
}
}
return((ISceneInsertionPoint)null);
}
public static bool IsTypeCompatible(SceneNode sceneNode, IType typeToInsert, IProperty property)
{
if (typeToInsert.RuntimeType == (Type)null || !sceneNode.ProjectContext.PlatformMetadata.IsSupported((ITypeResolver)sceneNode.ProjectContext, (ITypeId)typeToInsert) || PlatformTypes.UserControl.IsAssignableFrom((ITypeId)sceneNode.Type) && PropertySceneInsertionPoint.ContentProperty.Equals((object)property) && sceneNode.ViewModel.RootNode != sceneNode || (PlatformTypes.Window.IsAssignableFrom((ITypeId)typeToInsert) || PlatformTypes.Page.IsAssignableFrom((ITypeId)typeToInsert) || !property.TargetType.IsAssignableFrom(sceneNode.TargetType) || PlatformTypes.IsEffectType((ITypeId)typeToInsert) && property.PropertyType.Equals((object)PlatformTypes.Object)))
{
return(false);
}
if (property.PropertyType.IsAssignableFrom((ITypeId)typeToInsert))
{
return(true);
}
if (!sceneNode.ProjectContext.IsCapabilitySet(PlatformCapability.SupportsAutoTabItemWrapping) && ProjectNeutralTypes.TabControl.IsAssignableFrom((ITypeId)sceneNode.TrueTargetTypeId) && (PlatformTypes.FrameworkElement.IsAssignableFrom((ITypeId)typeToInsert) && !ProjectNeutralTypes.TabItem.IsAssignableFrom((ITypeId)typeToInsert)))
{
return(false);
}
if (property.Equals((object)BehaviorHelper.BehaviorsProperty) && ProjectNeutralTypes.Behavior.IsAssignableFrom((ITypeId)typeToInsert) || property.Equals((object)BehaviorHelper.BehaviorTriggersProperty) && (ProjectNeutralTypes.BehaviorTriggerAction.IsAssignableFrom((ITypeId)typeToInsert) || ProjectNeutralTypes.BehaviorTriggerBase.IsAssignableFrom((ITypeId)typeToInsert)))
{
return(BehaviorHelper.IsSceneNodeValidHost(sceneNode, typeToInsert));
}
Type genericCollectionType = CollectionAdapterDescription.GetGenericCollectionType(PlatformTypeHelper.GetPropertyType(property));
return(genericCollectionType != (Type)null && sceneNode.ProjectContext.GetType(genericCollectionType).IsAssignableFrom((ITypeId)typeToInsert) || PlatformTypes.UIElementCollection.Equals((object)property.PropertyType) && PlatformTypes.UIElement.IsAssignableFrom((ITypeId)typeToInsert) || (PlatformTypes.FlowDocument.IsAssignableFrom((ITypeId)property.PropertyType) || PlatformTypes.InlineCollection.IsAssignableFrom((ITypeId)property.PropertyType) || PlatformTypes.BlockCollection.IsAssignableFrom((ITypeId)property.PropertyType)) && (PlatformTypes.UIElement.IsAssignableFrom((ITypeId)typeToInsert) && (bool)sceneNode.ViewModel.ProjectContext.GetCapabilityValue(PlatformCapability.SupportsInlineUIContainer)) || (PlatformTypes.ItemCollection.Equals((object)property.PropertyType) || ItemsControlElement.ItemsProperty.Equals((object)property)));
}
public bool TypeToInsertIsSingleProperty(SceneViewModel viewModel)
{
IType type = this.typeToInsert != null?viewModel.ProjectContext.ResolveType(this.typeToInsert) : (IType)null;
return(type != null && (PlatformTypes.IsEffectType((ITypeId)type) || ProjectNeutralTypes.BehaviorTriggerAction.IsAssignableFrom((ITypeId)type) || (ProjectNeutralTypes.Behavior.IsAssignableFrom((ITypeId)type) || ProjectNeutralTypes.DataGridColumn.IsAssignableFrom((ITypeId)type))));
}