JavaFX sample tableview with wrapped headers.

TableWrappedHeaders.java

import javafx.application.Application;
import javafx.beans.property.SimpleStringProperty;
import javafx.collections.FXCollections;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.Pane;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.text.TextAlignment;
import javafx.stage.Stage;

public class TableWrappedHeaders extends Application {
  public static void main(String[] args) { launch(args); }

  @Override public void start(Stage stage) {
    TableColumn firstNameCol = new TableColumn("First Name (which is a really long name)");
    makeHeaderWrappable(firstNameCol);
    firstNameCol.setPrefWidth(100);
    firstNameCol.setCellValueFactory(new PropertyValueFactory<Person,String>("firstName"));
    TableColumn lastNameCol = new TableColumn("Last Name");
    lastNameCol.setPrefWidth(100);
    lastNameCol.setCellValueFactory(new PropertyValueFactory<Person,String>("lastName"));

    TableView table = new TableView();
    table.getColumns().addAll(firstNameCol, lastNameCol);
    table.setItems(FXCollections.observableArrayList(
      new Person("Jacob", "Smith"),
      new Person("Isabella", "Johnson"),
      new Person("Ethan", "Williams")
    ));
    table.setPrefSize(250, 200);
    
    Pane layout = new VBox(10);
    layout.setStyle("-fx-padding: 10;");
    layout.getChildren().addAll(table);
    stage.setScene(new Scene(layout));
    stage.show();
  }

  private void makeHeaderWrappable(TableColumn col) {
    Label label = new Label(col.getText());
    label.setStyle("-fx-padding: 8px;");
    label.setWrapText(true);
    label.setAlignment(Pos.CENTER);
    label.setTextAlignment(TextAlignment.CENTER);

    StackPane stack = new StackPane();
    stack.getChildren().add(label);
    stack.prefWidthProperty().bind(col.widthProperty().subtract(5));
    label.prefWidthProperty().bind(stack.prefWidthProperty());
    col.setText(null);
    col.setGraphic(stack);
  }

  public static class Person {
    private final SimpleStringProperty firstName;
    private final SimpleStringProperty lastName;

    private Person(String fName, String lName) {
      this.firstName = new SimpleStringProperty(fName);
      this.lastName = new SimpleStringProperty(lName);
    }

    public String getFirstName() { return firstName.get(); }
    public void setFirstName(String fName) { firstName.set(fName); }
    public String getLastName() { return lastName.get(); }
    public void setLastName(String fName) { lastName.set(fName); }
  }
}

👍

Very nice but it is very strange but a nested column doesn't behave properly.

  @Override
  public void start(Stage stage)
  {
    TableColumn nestedCol = new TableColumn("Nested Column (also very long name)");
    makeHeaderWrappable(nestedCol);
    TableColumn firstNameCol = new TableColumn("First Name (which is a really long name)");
    makeHeaderWrappable(firstNameCol);
    firstNameCol.setPrefWidth(100);
    firstNameCol.setCellValueFactory(new PropertyValueFactory<Person, String>("firstName"));
    TableColumn lastNameCol = new TableColumn("Last Name");
    lastNameCol.setPrefWidth(100);
    lastNameCol.setCellValueFactory(new PropertyValueFactory<Person, String>("lastName"));

    nestedCol.getColumns().addAll(firstNameCol, lastNameCol);

    TableView table = new TableView();
    table.getColumns().addAll(nestedCol);
    table.setItems(FXCollections.observableArrayList(new Person("Jacob", "Smith"), new Person("Isabella", "Johnson"),
        new Person("Ethan", "Williams")));
    table.setPrefSize(250, 200);

    Pane layout = new VBox(10);
    layout.setStyle("-fx-padding: 10;");
    layout.getChildren().addAll(table);
    stage.setScene(new Scene(layout));
    stage.show();
  }

When this code is started the nested column is wrapped. But when you reduce the columns by dragging the mouse then the height of the nested column stays the same.