TSharedRef<SWidget> UComboBoxString::RebuildWidget()
{
int32 InitialIndex = FindOptionIndex(SelectedOption);
if ( InitialIndex != -1 )
{
CurrentOptionPtr = Options[InitialIndex];
}
MyComboBox =
SNew(SComboBox< TSharedPtr<FString> >)
.ComboBoxStyle(&WidgetStyle)
.OptionsSource(&Options)
.InitiallySelectedItem(CurrentOptionPtr)
.ContentPadding(ContentPadding)
.MaxListHeight(MaxListHeight)
.HasDownArrow(HasDownArrow)
.OnGenerateWidget(BIND_UOBJECT_DELEGATE(SComboBox< TSharedPtr<FString> >::FOnGenerateWidget, HandleGenerateWidget))
.OnSelectionChanged(BIND_UOBJECT_DELEGATE(SComboBox< TSharedPtr<FString> >::FOnSelectionChanged, HandleSelectionChanged))
.OnComboBoxOpening(BIND_UOBJECT_DELEGATE(FOnComboBoxOpening, HandleOpening))
[
SAssignNew(ComoboBoxContent, SBox)
];
if ( InitialIndex != -1 )
{
// Generate the widget for the initially selected widget if needed
ComoboBoxContent->SetContent(HandleGenerateWidget(CurrentOptionPtr));
}
return MyComboBox.ToSharedRef();
}
void UComboBoxString::SetSelectedOption(FString Option)
{
int32 InitialIndex = FindOptionIndex(Option);
if (InitialIndex != -1)
{
CurrentOptionPtr = Options[InitialIndex];
if ( ComoboBoxContent.IsValid() )
{
MyComboBox->SetSelectedItem(CurrentOptionPtr);
ComoboBoxContent->SetContent(HandleGenerateWidget(CurrentOptionPtr));
}
else
{
SelectedOption = Option;
}
}
}
bool UComboBoxString::RemoveOption(const FString& Option)
{
int32 OptionIndex = FindOptionIndex(Option);
if ( OptionIndex != -1 )
{
if ( Options[OptionIndex] == CurrentOptionPtr )
{
ClearSelection();
}
Options.RemoveAt(OptionIndex);
RefreshOptions();
return true;
}
return false;
}
