Issue
I have number of objects. Let's say i have 10 Books object and i want user to select any number of the book. When user press the submit button i want to retrieve all the books "object" that user selected.
As of now, while showing screen to user i use
CheckBox cb= new CheckBox(book.getName());
this shows bookname to user and user selects the book. But on runtime i will be needing bookid and other properties of book object as well.
Is there anyway through which i can save the book object in the checkbox?
Solution
Basic Examle. if you want more sepecifc you need to post your code, we can set object to node using setUserDate, then we can use that object when we need. here i am using object id for example, in yor case save that object i hope this will solve your problem ,?s post a comment
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.CheckBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class UserData extends Application {
public void start(Stage primaryStage) {
VBox root = new VBox();
Book book = new Book(22, "firstBok");
Book book1 = new Book(2, "secondBok");
CheckBox checkB = new CheckBox(book.getName());
checkB.setUserData(book);
CheckBox checkB1 = new CheckBox(book1.getName());
checkB1.setUserData(book1);
Button btn = new Button("Submit");
btn.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
if (checkB.isSelected()) {
int firstCheckBxId = ((Book) checkB.getUserData()).getId();
System.out.println("id:" + firstCheckBxId);
}
if (checkB1.isSelected()) {
int secondCheckBxId = ((Book) checkB1.getUserData()).getId();
System.out.println("id:" + secondCheckBxId);
}
}
});
root.getChildren().addAll(checkB, checkB1, btn);
primaryStage.setScene(new Scene(root));
primaryStage.show();
}
class Book {
int id;
private String name;
Book(int id, String name) {
this.id = id;
this.name = name;
}
public int getId() {
return this.id;
}
public String getName() {
return name;
}
}
public static void main(String[] args) {
launch(args);
}
}
Answered By - Gaali Prabhakar
Answer Checked By - Dawn Plyler (JavaFixing Volunteer)
