TableView summary

Image.png

MainApp.java

import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;

/**
 * https://stackoverflow.com/q/69594347/230513
 */
public class MainApp extends Application {

    @Override
    public void start(Stage primaryStage) {
        try {
            Parent root = FXMLLoader.load(getClass().getResource("TVCTestModel.fxml"));
            Scene scene = new Scene(root);
            primaryStage.setScene(scene);
            primaryStage.show();
        } catch (IOException ex) {
            Logger.getLogger(MainApp.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

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

}

run.sh

#!/bin/sh
JFX="--module-path /Users/Shared/javafx-sdk-17.0.9/lib --add-modules ALL-MODULE-PATH"
javac $JFX *.java && java $JFX MainApp

TestModel.java

public class TestModel {

    private String itemName = null;
    private int pricePerUnit = 0;
    private double quantity = 0.0;
    private double amount = 0.0;

    public TestModel() {
    }

    public TestModel(String argitemName, int argpricePerUnit, double argquantity, double argamount) {
        itemName = argitemName;
        pricePerUnit = argpricePerUnit;
        quantity = argquantity;
        amount = argamount;
    }

    public void setItemName(String argitemName) {
        itemName = argitemName;
    }

    public void setPricePerUnit(int argpricePerUnit) {
        pricePerUnit = argpricePerUnit;
    }

    public void setQuantity(double argquantity) {
        quantity = argquantity;
    }

    public void setAmount(double argamount) {
        amount = argamount;
    }

    public String getItemName() {
        return itemName;
    }

    public int getPricePerUnit() {
        return pricePerUnit;
    }

    public double getQuantity() {
        return quantity;
    }

    public double getAmount() {
        return amount;
    }

    @Override
    public String toString() {
        return this.itemName + " " + this.pricePerUnit + " " + this.quantity + " " + this.amount;
    }
}

TVCTestModel.fxml

<?xml version="1.0" encoding="UTF-8"?>

<?import javafx.scene.control.Label?>
<?import javafx.scene.control.TableColumn?>
<?import javafx.scene.control.TableView?>
<?import javafx.scene.layout.BorderPane?>
<?import javafx.scene.layout.HBox?>

<BorderPane xmlns="http://javafx.com/javafx/16" xmlns:fx="http://javafx.com/fxml/1" fx:controller="TVCTestModel">
    <center>
        <TableView fx:id="tableView" prefHeight="300.0">
            <columns>
                <TableColumn fx:id="itemName" text="Item Name" />
                <TableColumn fx:id="pricePerUnit" text="Price Per Unit" />
                <TableColumn fx:id="quantity" text="Quantity" />
                <TableColumn fx:id="amount" text="Amount" />
            </columns>
        </TableView>
    </center>
    <bottom>
        <HBox alignment="CENTER_RIGHT" style="-fx-spacing: 5px;">
            <children>
                <Label fx:id="labelQ"/>
                <Label fx:id="labelA"/>
            </children>
        </HBox>
    </bottom>
</BorderPane>         

TVCTestModel.java

import java.net.URL;
import java.text.NumberFormat;
import java.util.ResourceBundle;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Label;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;

public class TVCTestModel implements Initializable {

    @FXML
    private TableColumn<TestModel, String> itemName;
    @FXML
    private TableColumn<TestModel, Integer> pricePerUnit;
    @FXML
    private TableColumn<TestModel, Double> quantity;
    @FXML
    private TableColumn<TestModel, Double> amount;
    @FXML
    private TableView<TestModel> tableView;
    @FXML
    private Label labelQ;
    @FXML
    private Label labelA;

    private ObservableList<TestModel> objList = FXCollections.observableArrayList();

    @Override
    public void initialize(URL url, ResourceBundle rb) {
        this.itemName.setCellValueFactory(new PropertyValueFactory<>("itemName"));
        this.pricePerUnit.setCellValueFactory(new PropertyValueFactory<>("pricePerUnit"));
        this.quantity.setCellValueFactory(new PropertyValueFactory<>("quantity"));
        this.amount.setCellValueFactory(new PropertyValueFactory<>("amount"));

        objList.add(new TestModel("Item 1", 10, 4, 400));
        objList.add(new TestModel("Item 2", 20, 5, 1000));
        objList.add(new TestModel("Item 3", 30, 6, 1800));
        objList.add(new TestModel("Item 4", 400, 7, 2800));
        tableView.setItems(objList);
        double sumQuantity = 0;
        double sumAmout = 0;
        for (TestModel o : objList) {
            sumQuantity += o.getQuantity();
            sumAmout += o.getAmount();
        }
        labelQ.setText("Quantity: " + NumberFormat.getNumberInstance().format(sumQuantity));
        labelA.setText("Amount: " + NumberFormat.getCurrencyInstance().format(sumAmout));
    }

}