import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;

@SuppressWarnings("serial")
public class TutorialPanel extends JPanel
{
	private JTextField txtName;							// Name text box
	private JRadioButton rbHappy, rbSad;				// Happy and sad radio buttons
	private ButtonGroup rbGroupFeel;					// Groups the two radio buttons (happy, sad)
	private JCheckBox cbxAwesome;						// Awesome check box
	private JComboBox lbxColor;							// Colour combo box (list of items)
	private JButton btnSubmit;							// Submit button
	
	public TutorialPanel()
	{
		add(new JLabel("Name:"));						// Adds label to panel
		txtName = new JTextField(20);					// Create text field up to 20 characters long
		add(txtName);									// Add new text field to panel
		
		rbHappy = new JRadioButton("Happy");			// Happy radio button
		add(rbHappy);									// Add happy radio button to panel
		rbSad = new JRadioButton("Sad");				// Sad radio button
		add(rbSad);										// Add sad radio button to panel
		rbGroupFeel = new ButtonGroup();				// Create a group for these two radio buttons -> only one can be selected at a time
		rbGroupFeel.add(rbHappy);						// Add happy radio button to group
		rbGroupFeel.add(rbSad);							// Add sad radio button to group
				
		cbxAwesome = new JCheckBox("I am awesome");		// Create a check box for "awesomeness"
		add(cbxAwesome);								// Add check box to panel
						
		lbxColor = new JComboBox();						// Create a colour combo box
		lbxColor.addItem("red");						// Add red item to combo box
		lbxColor.addItem("blue");						// Add blue item to combo box
		lbxColor.addItem("green");						// Add green item to combo box
		add(lbxColor);									// Add combo box to panel
				
		// Action buttons				
		btnSubmit = new JButton("Submit");				// Create submit button
		add(btnSubmit);									// Add submit button to panel		
	}
}