void SPluginCategories::Construct( const FArguments& Args, const TSharedRef< SPluginsEditor > Owner )
{
OwnerWeak = Owner;
RebuildAndFilterCategoryTree();
PluginCategoryTreeView =
SNew( SPluginCategoryTreeView )
// For now we only support selecting a single folder in the tree
.SelectionMode( ESelectionMode::Single )
.ClearSelectionOnClick( false ) // Don't allow user to select nothing. We always expect a category to be selected!
.TreeItemsSource( &RootPluginCategories )
.OnGenerateRow( this, &SPluginCategories::PluginCategoryTreeView_OnGenerateRow )
.OnGetChildren( this, &SPluginCategories::PluginCategoryTreeView_OnGetChildren )
.OnSelectionChanged( this, &SPluginCategories::PluginCategoryTreeView_OnSelectionChanged )
;
// Expand the root categories by default
for( auto RootCategoryIt( RootPluginCategories.CreateConstIterator() ); RootCategoryIt; ++RootCategoryIt )
{
const auto& Category = *RootCategoryIt;
PluginCategoryTreeView->SetItemExpansion( Category, true );
}
// Select the first item by default
if( RootPluginCategories.Num() > 0 )
{
PluginCategoryTreeView->SetSelection( RootPluginCategories[ 0 ] );
}
ChildSlot.AttachWidget( PluginCategoryTreeView.ToSharedRef() );
}
void SPluginCategories::Tick( const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime )
{
// Call parent implementation
SCompoundWidget::Tick( AllottedGeometry, InCurrentTime, InDeltaTime );
if( bNeedsRefresh )
{
RebuildAndFilterCategoryTree();
}
}
