Showing only populated rows in a JavaFx TableView

TableHeightDemo.java

import javafx.application.Application;
import javafx.beans.property.ReadOnlyObjectWrapper;
import javafx.collections.ListChangeListener;
import javafx.collections.ObservableList;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.skin.TableHeaderRow;
import javafx.stage.Stage;

public class TableHeightDemo extends Application {
  @Override
  public void start(Stage stage) {
    stage.setTitle("Table height example");

    TableView<String> table = new TableView<>();
    table.setFixedCellSize(24); // important! (or use CSS?)
    table.getItems().addListener((ListChangeListener<String>) c ->
      setTableHeightByRowCount(table, c.getList()));

    TableColumn<String, String> column = new TableColumn<>("name");
    column.setCellValueFactory(f -> new ReadOnlyObjectWrapper<>(f.getValue()));
    table.getColumns().add(column);

    Group root = new Group();
    root.getChildren().add(table);
    Scene scene = new Scene(root);
    stage.setScene(scene);
    stage.show();

    // Set data last to trigger our listener AFTER table header row is constructed
    table.getItems().addAll("Stacey", "Kristy", "Mary Anne", "Claudia");
    stage.sizeToScene();
  }

  private static void setTableHeightByRowCount(TableView table, ObservableList data) {
    int rowCount = data.size();
    TableHeaderRow headerRow = (TableHeaderRow) table.lookup("TableHeaderRow");
    double tableHeight = (rowCount * table.getFixedCellSize())
      // add the insets or we'll be short by a few pixels
      + table.getInsets().getTop() + table.getInsets().getBottom()
      // header row has its own (different) height
      + (headerRow == null ? 0 : headerRow.getHeight());

    table.setMinHeight(tableHeight);
    table.setMaxHeight(tableHeight);
    table.setPrefHeight(tableHeight);
  }

  public static void main(String[] args) {
    launch(args);
  }
}