BoundTableColumnExample.java

import java.util.Arrays;
import java.util.List;

import javafx.application.Application;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.IntegerProperty;
import javafx.beans.property.ReadOnlyDoubleProperty;
import javafx.beans.property.ReadOnlyDoubleWrapper;
import javafx.beans.property.SimpleDoubleProperty;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.scene.Scene;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.control.cell.TextFieldTableCell;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;
import javafx.util.converter.DoubleStringConverter;
import javafx.util.converter.IntegerStringConverter;

public class BoundTableColumnExample extends Application {

	@Override
	public void start(Stage primaryStage) {
		final BorderPane root = new BorderPane();
		final TableView<Product> table = new TableView<>();
		table.setEditable(true);
		final TableColumn<Product, String> nameCol = createTableColumn(String.class, "Name", true);
		final TableColumn<Product, Double>  priceCol = createTableColumn(Double.class, "Price", true);
		final TableColumn<Product, Integer> quantityCol = createTableColumn(Integer.class, "Quantity", true);
		final TableColumn<Product, Double> totalPriceCol = createTableColumn(Double.class, "Total Price", false);
		nameCol.setCellFactory(TextFieldTableCell.<Product>forTableColumn());
		priceCol.setCellFactory(TextFieldTableCell.<Product, Double>forTableColumn(new DoubleStringConverter()));
		quantityCol.setCellFactory(TextFieldTableCell.<Product, Integer>forTableColumn(new IntegerStringConverter()));
		
		table.getColumns().addAll(Arrays.asList(nameCol, priceCol, quantityCol, totalPriceCol));
		table.getItems().addAll(createData());
		root.setCenter(table);
		
		final Scene scene = new Scene(root, 600, 400);
		primaryStage.setScene(scene);
		primaryStage.show();
	}
	
	private List<Product> createData() {
	    return Arrays.asList(
	        new Product("Widget"),
	        new Product("Gadget"),
	        new Product("Doohickey")
	    );
	}
	
	private <T> TableColumn<Product, T> createTableColumn(Class<T> clz, String title, boolean editable) {
	    TableColumn<Product, T> col = new TableColumn<>(title);
	    col.setCellValueFactory(new PropertyValueFactory<Product, T>(makePropertyName(title)));
	    col.setEditable(editable);
	    col.setMinWidth(120);
	    return col ;
	}
	
	private String makePropertyName(String title) {
	    boolean first = true ;
	    StringBuilder propName = new StringBuilder();
	    for (String word : title.split("\\s")) {
	        if (first) {
	            propName.append(word.toLowerCase());
	            first = false ;
	        } else {
	            propName.append(Character.toUpperCase(word.charAt(0)));
	            if (word.length() > 1) {
	                propName.append(word.substring(1));
	            }
	        }
	    }
	    return propName.toString();
	}

	public static void main(String[] args) {
		launch(args);
	}
	
	public static class Product {
	    private final StringProperty name ;
	    private final IntegerProperty quantity ;
	    private final DoubleProperty price ;
	    private final ReadOnlyDoubleWrapper totalPrice ;
	    
	    public Product(String name) {
	        this.name = new SimpleStringProperty(this, "name", name);
	        this.quantity = new SimpleIntegerProperty(this, "quantity", 0);
	        this.price = new SimpleDoubleProperty(this, "price", 0);
	        this.totalPrice = new ReadOnlyDoubleWrapper(this, "totalPrice");
	        
	        // bind total price to product of price and quantity:
	        totalPrice.bind(price.multiply(quantity));
	    }
	    
	    public final String getName() {
	        return name.get();
	    }
	    public final void setName(String name) {
	        this.name.set(name);
	    }
	    public final StringProperty nameProperty() {
	        return name ;
	    }
	    public final int getQuantity() {
	        return quantity.get();
	    }
	    public final void setQuantity(int quantity) {
	        this.quantity.set(quantity);
	    }
	    public final IntegerProperty quantityProperty() {
	        return quantity ;
	    }
	    public final double getPrice() {
	        return price.get();
	    }
	    public final void setPrice(double price) {
	        this.price.set(price);
	    }
	    public final DoubleProperty priceProperty() {
	        return price ;
	    }
	    public final double getTotalPrice() {
	        return totalPrice.get();
	    }
	    public final ReadOnlyDoubleProperty totalPriceProperty() {
	        return totalPrice.getReadOnlyProperty();
	    }
	    @Override
	    public String toString() {
	        return String.format("%s:\t%.2f\t%d\t%.2f", getName(), getPrice(), getQuantity(), getTotalPrice());
	    }
	}
}