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Thread: Java GridLayout - 2 columns

  1. #1
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    Default Java GridLayout - 2 columns

    Hi everyone,

    I'm trying to create a basic GUI for booking classes in a gym. I'm not very familiar with the grid layout and struggling with creating a 2 column grid.

    Here's what I'm trying to achieve: gym.jpg

    And here's my grid code so far:

    private void createPanel() {
     
        setLayout(new GridLayout(4, 1));
     
        JPanel panel1 = new JPanel();
        JPanel panel2 = new JPanel();
        JPanel panel3 = new JPanel();
        JPanel panel4 = new JPanel();
     
        //Panel 1: member ID field
        panel1.add(memberIDLabel);
        panel1.add(memberIDField);
     
        panel1.add(courseNameLabel);
        panel1.add(courseNameField);
     
        panel1.add(bookButton);
     
        //Panel 4: 'view courses' and 'view members' buttons
        panel4.add(coursesButton);
        panel4.add(bookingsButton);
     
        //Attaches panels to frame
        this.add(panel1);
        this.add(panel2);
        this.add(panel3);
        this.add(panel4);
    }

    Any guidance would be much appreciated. Many thanks.

  2. #2
    Member John Joe's Avatar
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    Default Re: Java GridLayout - 2 columns

    Please post complete code here
    Whatever you are, be a good one

  3. #3
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    Default Re: Java GridLayout - 2 columns

    import javax.swing.*;
     
    import java.awt.Color;
    import java.awt.GridLayout;
    import java.awt.event.ActionEvent;
    import java.awt.event.ActionListener;
     
    public class GymGUI extends JFrame implements ActionListener {
     
    	private JLabel memberIDLabel, courseNameLabel;
    	private JTextField memberIDField, courseNameField;
    	private JButton bookButton, coursesButton, bookingsButton;
     
    	private static final int FRAME_WIDTH = 500;
    	private static final int FRAME_HEIGHT = 400;
     
    	public GymGUI() {
     
    		//Creates frame elements
    		createMemberIDField();
    		createCourseNameField();
    		createBookButton();
    		createCoursesButton();
    		createBookingsButton();
    		createPanel();
    		setSize(FRAME_WIDTH, FRAME_HEIGHT);
     
    		//Initialises frame properties
    		this.setTitle("Gym");
    		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    		this.setLocationRelativeTo(null);
    		this.setResizable(false);
    		this.setVisible(true);
     
    	}
     
    	//Creates member ID label and field
    	private void createMemberIDField() {
     
    		memberIDLabel = new JLabel("Member ID: ");
    		final int FIELD_WIDTH = 10;
    		memberIDField = new JTextField(FIELD_WIDTH);
    	}
     
    	//Creates course name label and field
    	private void createCourseNameField() {
     
    		courseNameLabel = new JLabel("Course name: ");
    		final int FIELD_WIDTH = 15;
    		courseNameField = new JTextField(FIELD_WIDTH);
     
    	}
     
    	//Creates 'confirm booking' button and attaches listener
    	private void createBookButton() {
     
    		bookButton = new JButton("Confirm Booking");
    		bookButton.addActionListener(this);
    	}
     
    	//Creates 'view courses' button and attaches listener
    	private void createCoursesButton() {
    		coursesButton = new JButton("View Courses");
    		coursesButton.addActionListener(this);
     
    	}
     
    	//Creates 'view bookings' button and attaches listener
    	private void createBookingsButton() {
     
    		bookingsButton = new JButton("View Bookings");
    		bookingsButton.addActionListener(this);
    	}
     
    	// Creates panels and attach labels, fields and buttons
    	private void createPanel() {
     
    		setLayout(new GridLayout(4, 1));
     
    		JPanel panel1 = new JPanel();
    		JPanel panel2 = new JPanel();
    		JPanel panel3 = new JPanel();
    		JPanel panel4 = new JPanel();
     
    		//Panel 1: member ID field
    		panel1.add(memberIDLabel);
    		panel1.add(memberIDField);
     
    		panel1.add(courseNameLabel);
    		panel1.add(courseNameField);
     
    		panel1.add(bookButton);
     
    		//Panel 4: 'view courses' and 'view members' buttons
    		panel4.add(coursesButton);
    		panel4.add(bookingsButton);
     
    		//Attaches panels to frame
    		this.add(panel1);
    		this.add(panel2);
    		this.add(panel3);
    		this.add(panel4);
    	}
     
    	@Override
    	public void actionPerformed(ActionEvent e) {
    	}
     
    }

  4. #4
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    Default Re: Java GridLayout - 2 columns

    setLayout(new GridLayout(4, 1));
    This makes four rows and one column. If you want two columns instead, can you see which parameter needs to be changed?

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