package exercise2.plaf.concrete;

import java.awt.*;
import java.beans.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.*;
import exercise2.choice.*;
import exercise2.plaf.*;
import widget.*;

public class CChoiceBodyUI extends ChoiceBodyUI
    implements PropertyChangeListener {

    protected ChoiceBody	body;
    protected ChoicePane	choicePane;

    public static ComponentUI createUI(JComponent c) {
	return new CChoiceBodyUI();
    }

    public void installUI(JComponent c) {

	// Install defaults.
	this.body = (ChoiceBody)c;
	body.setOpaque(true);
	body.setBackground(BACKGROUND_COLOR);
	body.setLayout(new GridBagLayout());

	// Install the choice pane.
	choicePane = new ChoicePane(body.getType(), body.getChoices());
	choicePane.setOpaque(false);
	choicePane.addPropertyChangeListener(this);
	GridBagHelper.addComponent(
		body, choicePane, 0, 0, 1, 1,
		new Insets(2, 2, 2, 2), 1.0, 0.0,
		GridBagConstraints.HORIZONTAL, GridBagConstraints.CENTER);
    }

    public void uninstallUI(JComponent c) { }

    public void propertyChange(PropertyChangeEvent e) {
	String name = e.getPropertyName();
	if (name == ChoicePane.SELECTED_PROP) {
	    body.setSelected(choicePane.getSelected());
	}
    }
}