source: lost-perception/gamegui/RadioButton.java

package gamegui;

import java.awt.FontMetrics;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Font;

public class RadioButton extends Member {
    private String text;
    private Font font;
    private boolean textAfter;
    private boolean selected;
    
    public RadioButton(final String newName, final int newX, final int newY, final int newWidth, final int newHeight, final String newText, final Font newFont, final boolean isTextAfter) {
        super(newName, newX, newY, newWidth, newHeight);
        this.text = newText;
        this.font = newFont;
        this.textAfter = isTextAfter;
    }
    
    @Override
    public void draw(final Graphics g) {
        final FontMetrics metrics = g.getFontMetrics(this.font);
        g.setColor(Color.red);
        g.drawOval(this.getX(), this.getY(), this.getWidth(), this.getHeight());
        if (this.selected) {
            g.setColor(Color.green);
            g.fillOval(this.getX() + 5, this.getY() + 5, this.getWidth() - 10, this.getHeight() - 10);
        }
        g.setColor(Color.green);
        g.setFont(this.font);
        if (this.textAfter) {
            g.drawString(this.text, this.getX() + this.getWidth() + 7, this.getY() + (this.getHeight() + metrics.getHeight()) / 2 - 2);
        }
        else {
            g.drawString(this.text, this.getX() - metrics.stringWidth(this.text) - 7, this.getY() + (this.getHeight() + metrics.getHeight()) / 2 - 2);
        }
    }
    
    @Override
    public void clear() {
        this.selected = false;
    }
    
    public String getLabel() {
        return this.text;
    }
    
    @Override
    public boolean isClicked(final int xCoord, final int yCoord) {
        final double distance = Math.sqrt(Math.pow(this.getX() + this.getWidth() / 2 - xCoord, 2.0) + Math.pow(this.getY() + this.getHeight() / 2 - yCoord, 2.0));
        return distance <= this.getWidth() / 2;
    }
    
    public boolean isSelected() {
        return this.selected;
    }
    
    public void setSelected(final boolean isSelected) {
        this.selected = isSelected;
    }
}