C++ (Cpp) RemoveMetaData Examples

Example #1

File: StructureEditorUtils.cpp Project: frobro98/UnrealSource

bool FStructureEditorUtils::Change3dWidgetEnabled(UUserDefinedStruct* Struct, FGuid VarGuid, bool bIsEnabled)
{
    auto VarDesc = GetVarDescByGuid(Struct, VarGuid);
    const auto PropertyStruct = VarDesc ? Cast<const UStruct>(VarDesc->SubCategoryObject.Get()) : NULL;
    if (FEdMode::CanCreateWidgetForStructure(PropertyStruct) && (VarDesc->bEnable3dWidget != bIsEnabled))
    {
        const FScopedTransaction Transaction(LOCTEXT("Change3dWidgetEnabled", "Change 3d Widget Enabled"));
        ModifyStructData(Struct);

        VarDesc->bEnable3dWidget = bIsEnabled;
        auto Property = FindField<UProperty>(Struct, VarDesc->VarName);
        if (Property)
        {
            if (VarDesc->bEnable3dWidget)
            {
                Property->SetMetaData(FEdMode::MD_MakeEditWidget, TEXT("true"));
            }
            else
            {
                Property->RemoveMetaData(FEdMode::MD_MakeEditWidget);
            }
        }
        return true;
    }
    return false;
}

Example #2

File: StructureEditorUtils.cpp Project: zhaoyizheng0930/UnrealEngine

bool FStructureEditorUtils::ChangeMultiLineTextEnabled(UUserDefinedStruct* Struct, FGuid VarGuid, bool bIsEnabled)
{
	auto VarDesc = GetVarDescByGuid(Struct, VarGuid);
	if (CanEnableMultiLineText(Struct, VarGuid) && VarDesc->bEnableMultiLineText != bIsEnabled)
	{
		const FScopedTransaction Transaction(LOCTEXT("ChangeMultiLineTextEnabled", "Change Multi-line Text Enabled"));
		ModifyStructData(Struct);

		VarDesc->bEnableMultiLineText = bIsEnabled;
		auto Property = FindField<UProperty>(Struct, VarDesc->VarName);
		if (Property)
		{
			if (VarDesc->bEnableMultiLineText)
			{
				Property->SetMetaData("MultiLine", TEXT("true"));
			}
			else
			{
				Property->RemoveMetaData("MultiLine");
			}
		}
		OnStructureChanged(Struct);
		return true;
	}
	return false;
}