C++ IDetailChildrenBuilder::AddChildGroup方法代码示例

void FActionMappingsNodeBuilder::GenerateChildContent( IDetailChildrenBuilder& ChildrenBuilder )
{
	RebuildGroupedMappings();

	for (int32 Index = 0; Index < GroupedMappings.Num(); ++Index)
	{
		FMappingSet& MappingSet = GroupedMappings[Index];

		FString GroupNameString(TEXT("ActionMappings."));
		MappingSet.SharedName.AppendString(GroupNameString);
		FName GroupName(*GroupNameString);
		IDetailGroup& ActionMappingGroup = ChildrenBuilder.AddChildGroup(GroupName, FText::FromName(MappingSet.SharedName));
		MappingSet.DetailGroup = &ActionMappingGroup;

		TSharedRef<SWidget> AddButton = PropertyCustomizationHelpers::MakeAddButton(FSimpleDelegate::CreateSP(this, &FActionMappingsNodeBuilder::AddActionMappingToGroupButton_OnClick, MappingSet),
			LOCTEXT("AddActionMappingToGroupToolTip", "Adds Action Mapping to Group"));

		TSharedRef<SWidget> RemoveButton = PropertyCustomizationHelpers::MakeDeleteButton(FSimpleDelegate::CreateSP(this, &FActionMappingsNodeBuilder::RemoveActionMappingGroupButton_OnClick, MappingSet),
			LOCTEXT("RemoveActionMappingGroupToolTip", "Removes Action Mapping Group"));

		ActionMappingGroup.HeaderRow()
		[
			SNew( SHorizontalBox )
			+ SHorizontalBox::Slot()
			.AutoWidth()
			[
				SNew(SBox)
				.WidthOverride( InputConstants::TextBoxWidth )
				[
					SNew(SEditableTextBox)
					.Padding(2.0f)
					.Text(FText::FromName(MappingSet.SharedName))
					.OnTextCommitted(FOnTextCommitted::CreateSP(this, &FActionMappingsNodeBuilder::OnActionMappingNameCommitted, MappingSet))
					.Font(IDetailLayoutBuilder::GetDetailFont())
				]
			]
			+SHorizontalBox::Slot()
			.Padding(InputConstants::PropertyPadding)
			.HAlign(HAlign_Center)
			.VAlign(VAlign_Center)
			.AutoWidth()
			[
				AddButton
			]
			+SHorizontalBox::Slot()
			.Padding(InputConstants::PropertyPadding)
			.HAlign(HAlign_Center)
			.VAlign(VAlign_Center)
			.AutoWidth()
			[
				RemoveButton
			]
		];
	
		for (int32 MappingIndex = 0; MappingIndex < MappingSet.Mappings.Num(); ++MappingIndex)
		{
			ActionMappingGroup.AddPropertyRow(MappingSet.Mappings[MappingIndex]).ShowPropertyButtons(false);
		}
	}
}

void FNiagaraEmitterPropertiesDetails::OnGenerateEventReceiverEntry(TSharedRef<IPropertyHandle> ElementProperty, int32 ElementIndex, IDetailChildrenBuilder& ChildrenBuilder)
{
	TSharedPtr<IPropertyHandle> NameProperty = ElementProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FNiagaraEventReceiverProperties, Name));

 	FName DisplayName;
 	NameProperty->GetValue(DisplayName);
// 	ChildrenBuilder.AddChildProperty(ElementProperty).DisplayName(FText::FromName(DisplayName));

	IDetailGroup& Group = ChildrenBuilder.AddChildGroup(DisplayName, FText::FromName(DisplayName));
	uint32 NumChildren = 0;
	if (ElementProperty->GetNumChildren(NumChildren) == FPropertyAccess::Success)
	{
		for (uint32 i = 0; i < NumChildren; ++i)
		{
			TSharedPtr<IPropertyHandle> Child = ElementProperty->GetChildHandle(i);
			//Dont add the ID. We just grab it's name for the name region of this property.
			if (Child.IsValid() && Child->GetProperty()->GetName() != GET_MEMBER_NAME_CHECKED(FNiagaraEventReceiverProperties, Name).ToString())
			{
				TSharedPtr<SWidget> NameWidget;
				TSharedPtr<SWidget> ValueWidget;
				FDetailWidgetRow DefaultDetailRow;
			
				IDetailPropertyRow& Row = Group.AddPropertyRow(Child.ToSharedRef());
				Row.GetDefaultWidgets(NameWidget, ValueWidget, DefaultDetailRow);
				Row.CustomWidget(true)
					.NameContent()
					[
						NameWidget.ToSharedRef()
					]
					.ValueContent()
					[
						ValueWidget.ToSharedRef()
					];
			}
		}
	}
}

void FNiagaraEmitterPropertiesDetails::OnGenerateEventGeneratorEntry(TSharedRef<IPropertyHandle> ElementProperty, int32 ElementIndex, IDetailChildrenBuilder& ChildrenBuilder)
{
	TSharedPtr<IPropertyHandle> IDProperty = ElementProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FNiagaraEventGeneratorProperties, ID));
	TSharedPtr<IPropertyHandle> NameProperty = IDProperty->GetChildHandle(GET_MEMBER_NAME_CHECKED(FNiagaraDataSetID, Name));

	FName DisplayName;
	NameProperty->GetValue(DisplayName);
	//IDetailPropertyRow& Row = ChildrenBuilder.AddChildProperty(ElementProperty).DisplayName(FText::FromName(DisplayName));

	IDetailGroup& GenGroup = ChildrenBuilder.AddChildGroup(DisplayName, FText::FromName(DisplayName));
	uint32 NumChildren = 0;
	if (ElementProperty->GetNumChildren(NumChildren) == FPropertyAccess::Success)
	{
		for (uint32 i = 0; i < NumChildren; ++i)
		{
			TSharedPtr<IPropertyHandle> Child = ElementProperty->GetChildHandle(i);
			//Dont add the ID. We just grab it's name for the name region of this property.
			if (Child.IsValid() && Child->GetProperty()->GetName() != GET_MEMBER_NAME_CHECKED(FNiagaraEventGeneratorProperties, ID).ToString())
			{
				GenGroup.AddPropertyRow(Child.ToSharedRef());
			}
		}
	}
}