Create a Wizard with CardLayout - Java Swing

Java examples for Swing:CardLayout

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Description

Create a Wizard with CardLayout

Demo Code

import java.awt.CardLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;

public class Main extends JFrame {
  public Main() {
      super("Survey");
      setSize(290, 140);//from   w w  w  .j av a 2 s .  com
      setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

      SurveyWizard wiz = new SurveyWizard();
      add(wiz);
      setVisible(true);
  }


  public static void main(String[] arguments) {
      Main surv = new Main();
  }
}

class SurveyWizard extends JPanel implements ActionListener {
  int currentCard = 0;
  CardLayout cards = new CardLayout();
  QuestionPanel[] ask = new QuestionPanel[3];

  public SurveyWizard() {
    super();
    setSize(240, 140);
    setLayout(cards);
    // set up survey
    String question1 = "What is your gender?";
    String[] responses1 = { "female", "male"};
    ask[0] = new QuestionPanel(question1, responses1, 2);
    String question2 = "What is your age?";
    String[] responses2 = { "Under 25", "25-34", "35-54", "Over 54" };
    ask[1] = new QuestionPanel(question2, responses2, 1);
    String question3 = "How often do you exercise each week?";
    String[] responses3 = { "Never", "1-3 times", "More than 3" };
    ask[2] = new QuestionPanel(question3, responses3, 1);
    ask[2].setFinalQuestion(true);
    addListeners();
  }

  private void addListeners() {
    for (int i = 0; i < ask.length; i++) {
      ask[i].nextButton.addActionListener(this);
      ask[i].finalButton.addActionListener(this);
      add(ask[i], "Card " + i);
    }
  }

  public void actionPerformed(ActionEvent evt) {
    currentCard++;
    if (currentCard >= ask.length) {
      System.exit(0);
    }
    cards.show(this, "Card " + currentCard);
  }
}

class QuestionPanel extends JPanel {
  JLabel question;
  JRadioButton[] response;
  JButton nextButton = new JButton("Next");
  JButton finalButton = new JButton("Finish");

  QuestionPanel(String ques, String[] resp, int def) {
    super();
    setSize(160, 110);
    question = new JLabel(ques);
    response = new JRadioButton[resp.length];
    JPanel sub1 = new JPanel();
    ButtonGroup group = new ButtonGroup();
    JLabel quesLabel = new JLabel(ques);
    sub1.add(quesLabel);
    JPanel sub2 = new JPanel();
    for (int i = 0; i < resp.length; i++) {
      if (def == i) {
        response[i] = new JRadioButton(resp[i], true);
      } else {
        response[i] = new JRadioButton(resp[i], false);
      }
      group.add(response[i]);
      sub2.add(response[i]);
    }
    JPanel sub3 = new JPanel();
    nextButton.setEnabled(true);
    sub3.add(nextButton);
    finalButton.setEnabled(false);
    sub3.add(finalButton);
    GridLayout grid = new GridLayout(3, 1);
    setLayout(grid);
    add(sub1);
    add(sub2);
    add(sub3);
  }

  void setFinalQuestion(boolean finalQuestion) {
    if (finalQuestion) {
      nextButton.setEnabled(false);
      finalButton.setEnabled(true);
    }
  }
}

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