TSharedRef<IPropertyHandle> FDetailLayoutBuilderImpl::GetPropertyHandle( TSharedPtr<FPropertyNode> PropertyNodePtr )
{
TSharedPtr<IPropertyHandle> PropertyHandle;
if( PropertyNodePtr.IsValid() )
{
TSharedRef<FPropertyNode> PropertyNode = PropertyNodePtr.ToSharedRef();
FNotifyHook* NotifyHook = GetPropertyUtilities()->GetNotifyHook();
PropertyHandle = PropertyEditorHelpers::GetPropertyHandle( PropertyNode, NotifyHook, PropertyDetailsUtilities );
}
else
{
// Invalid handle
PropertyHandle = MakeShareable( new FPropertyHandleBase( NULL, NULL, NULL) );
}
return PropertyHandle.ToSharedRef();
}
void FDetailPropertyRow::MakeValueWidget( FDetailWidgetRow& Row, const TSharedPtr<FDetailWidgetRow> InCustomRow, bool bAddWidgetDecoration ) const
{
EVerticalAlignment VerticalAlignment = VAlign_Center;
EHorizontalAlignment HorizontalAlignment = HAlign_Left;
TOptional<float> MinWidth;
TOptional<float> MaxWidth;
if( InCustomRow.IsValid() )
{
VerticalAlignment = InCustomRow->ValueWidget.VerticalAlignment;
HorizontalAlignment = InCustomRow->ValueWidget.HorizontalAlignment;
}
TAttribute<bool> IsEnabledAttrib = CustomIsEnabledAttrib;
if( HasEditCondition() )
{
IsEnabledAttrib.Bind( this, &FDetailPropertyRow::GetEnabledState );
}
TSharedRef<SHorizontalBox> ValueWidget =
SNew( SHorizontalBox )
.IsEnabled( IsEnabledAttrib );
if( InCustomRow.IsValid() )
{
MinWidth = InCustomRow->ValueWidget.MinWidth;
MaxWidth = InCustomRow->ValueWidget.MaxWidth;
ValueWidget->AddSlot()
[
InCustomRow->ValueWidget.Widget
];
}
else
{
TSharedPtr<SPropertyValueWidget> PropertyValue;
ValueWidget->AddSlot()
.Padding( 0.0f, 0.0f, 4.0f, 0.0f )
[
SAssignNew( PropertyValue, SPropertyValueWidget, PropertyEditor, GetPropertyUtilities() )
.ShowPropertyButtons( false ) // We handle this ourselves
];
MinWidth = PropertyValue->GetMinDesiredWidth();
MaxWidth = PropertyValue->GetMaxDesiredWidth();
}
if(bAddWidgetDecoration)
{
if( bShowPropertyButtons )
{
TArray< TSharedRef<SWidget> > RequiredButtons;
PropertyEditorHelpers::MakeRequiredPropertyButtons( PropertyEditor.ToSharedRef(), /*OUT*/RequiredButtons );
for( int32 ButtonIndex = 0; ButtonIndex < RequiredButtons.Num(); ++ButtonIndex )
{
ValueWidget->AddSlot()
.AutoWidth()
.HAlign(HAlign_Left)
.VAlign(VAlign_Center)
.Padding(2.0f, 1.0f)
[
RequiredButtons[ButtonIndex]
];
}
}
if (PropertyHandle->HasMetaData(TEXT("ConfigHierarchyEditable")))
{
ValueWidget->AddSlot()
.AutoWidth()
.VAlign(VAlign_Center)
.HAlign(HAlign_Left)
.Padding(0.0f, 0.0f, 4.0f, 0.0f)
[
PropertyCustomizationHelpers::MakeEditConfigHierarchyButton(FSimpleDelegate::CreateSP(PropertyEditor.ToSharedRef(), &FPropertyEditor::EditConfigHierarchy))
];
}
if (!PropertyHandle->HasMetaData(TEXT("NoResetToDefault")))
{
ValueWidget->AddSlot()
.Padding( 2.0f, 0.0f )
.AutoWidth()
.VAlign(VAlign_Center)
.HAlign(HAlign_Left)
[
SNew( SResetToDefaultPropertyEditor, PropertyEditor.ToSharedRef() )
.IsEnabled( IsEnabledAttrib )
.CustomResetToDefault(CustomResetToDefault)
];
}
}
Row.ValueContent()
.HAlign( HorizontalAlignment )
.VAlign( VerticalAlignment )
.MinDesiredWidth( MinWidth )
.MaxDesiredWidth( MaxWidth )
[
ValueWidget
];
}
