Which layout can do this?

Question

I\'m trying to layout some JLabels in my application as shown in this example:

Answer 1

I am using Windows forms, as I don't have an Java tools installed, but the idea is the same, you will just have to imagine that you are adding the JLabel instead of Buttons and that this is a JFrame or JWindow instead of a .NET Form.

The code should be something like this, if we assume a 800 x 800 pixel area to layout stuff on

public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
        this.Load += new EventHandler(Form1_Load);
    }

    void Form1_Load(object sender, EventArgs e)
    {
        int numberItems = 18;
        int centreX = 400;
        int centreY = 400;


        double offset = Math.PI;
        double step = Math.PI * 2 / numberItems;


        Button b = null;
        for (int i = 0; i < numberItems; i++)
        {
            b = new Button();
            b.Width = 30;
            b.Height = 30;
            SetPosition(b, 370, offset, i, step);
            this.Controls.Add(b);
        }

        b = new Button();
        b.Width = 30;
        b.Height = 30;
        b.Location = new Point(centreX, centreY);
        this.Controls.Add(b);
    }


    private void SetPosition(Button button, int legLength, double offset, double posOffSet, double step)
    {

        int x = (int)(legLength + Math.Sin(offset + posOffSet * step) * legLength);
        int y = (int)(legLength + Math.Cos(offset + posOffSet * step) * legLength);

        button.Location = new Point(x, y);
    }
}