public void bindFilterPredicate(ObjectProperty<TreeItemPredicate<Category>> predicateProperty) {
    predicateProperty.bind(Bindings.createObjectBinding(() -> {
      if (searchText.get() == null || searchText.get().isEmpty()) {
        return null;
      }
      return TreeItemPredicate.create(filterPredicate);
    }, searchText));
  }
public void bindFilterPredicate ( ObjectProperty < TreeItemPredicate < Category > > predicateProperty ) { predicateProperty . bind ( Bindings . createObjectBinding ( ( ) -> { if ( searchText . get ( ) == null || searchText . get ( ) . isEmpty ( ) ) { return null ; } return TreeItemPredicate . create ( filterPredicate ) ; } , searchText ) ) ; }
Binds the predicateProperty to ensure filtering according to the searchText.

@param predicateProperty of the rootItem of a {@link FilterableTreeItem}