package model.shapes;

import javax.swing.*;

/**
 * Circle shape.
 * This shape requires one parameter, the radius, for the regular constructor.
 * It can be instantiated using a parameterless constructor, but then only makeFactory() may be used to obtain
 * a factory that can create a fully initialized Circle object.
 *
 * @author Mathias Ricken
 */
public class Circle extends Ellipse {
	/**
	 * Parameterless constructor.
	 * Should just be used to call makeFactory() on the object.
	 */
	public Circle() {
	}

	/**
	 * Regular constructor.
	 * When this constructor is used, the object is fully initialized.
	 * @param r readius
	 */
	public Circle(int r) {
		super(r,r);
	}

	/**
	 * Make the factory that can create this kind of IShape.
	 * @return factory to make this IShape
	 */
	public AShapeFactory makeFactory() {
		// anonymously create factory that can be used as settings panel
		return new AShapeFactory(getClass().getName()) {
			/// text field for the radius
			private JTextField _radiusField;

			// initializer block
			{
				setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
				add(new JLabel("Radius: "));
				add(_radiusField = new JTextField("100"));
			}

			/**
			 * Make the IShape that matches the current parameters.
			 * @return IShape
			 */
			public IShape makeShape() {
				return new Circle(Integer.parseInt(_radiusField.getText()));
			};
		};
	}
}