// OOPStudent (Panel)
// Modified: Carsten Schuermann
// Date: Sat Mar 25 22:02:34 2006

import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.JLabel;
import javax.swing.event.CaretEvent;
import javax.swing.event.CaretListener;

public class OOPStudentPanel extends JPanel {
    private OOPStudent model = null;
    
    private JLabel nameLabel, emailLabel, programmeLabel, startLabel;
    private JTextField nameField, emailField, programmeField, startField;
    
    OOPStudentPanel(){
	setLayout( new VerticalFlowLayout(VerticalFlowLayout.TOP) );
	
	// Panel 1:  contains label and text field for names. 
	nameLabel = new JLabel("Name:");
	nameField = new JTextField(20); nameField.setEditable(false);
	// Listening relationship 2.
	nameField.addCaretListener(new CaretListener(){
		public void caretUpdate(CaretEvent e){
		    if (model != null)
			model.setName( nameField.getText() );
		}
	    });
	JPanel jpname = new JPanel();
	jpname.add(nameLabel); jpname.add(nameField);
	add(jpname);

		
	// Panel 2:  contains label and text field for email. 
	emailLabel = new JLabel("Email:");
	emailField = new JTextField(10); emailField.setEditable(false);
	// Listening relationship 3.
	emailField.addCaretListener(new CaretListener(){
		public void caretUpdate(CaretEvent e){
		    if (model != null)
			model.setEmail( emailField.getText() );
		}
	    });
	JPanel jpemail = new JPanel();
	jpemail.add(emailLabel); jpemail.add(emailField);
	add(jpemail);
	

	// Panel 3:  contains label and text field for programme. 
	programmeLabel = new JLabel("Programme:");
	// Listening relationship 4.
	programmeField = new JTextField(8); programmeField.setEditable(false);
	programmeField.addCaretListener(new CaretListener(){
		public void caretUpdate(CaretEvent e){
		    if (model != null)
			model.setProgramme( programmeField.getText() );
		}
	    });
	JPanel jpprogramme = new JPanel();
	jpprogramme.add(programmeLabel); jpprogramme.add(programmeField);
	add(jpprogramme);


	// Panel 4:  contains label and text field for start. 
	startLabel = new JLabel("Starting semester:");
	startField = new JTextField(8);	startField.setEditable(false);
	// noCaretListner for start, it is never editable.
	JPanel jpstart = new JPanel();
	jpstart.add(startLabel); jpstart.add(startField);
	add(jpstart);
    }

    public void setModel(OOPStudent s){
	model = s;
	if (s == null){
	    nameField.setText("");  nameField.setEditable(false);
	    emailField.setText("");  emailField.setEditable(false);
	    programmeField.setText("");  programmeField.setEditable(false);
	    startField.setText("");  startField.setEditable(false);
	}else{
	    nameField.setText( model.getName() );   nameField.setEditable(true);
	    emailField.setText( model.getEmail() );  emailField.setEditable(true);
	    programmeField.setText( model.getProgramme() );  programmeField.setEditable(true);
	    startField.setText( model.getStart() );  startField.setEditable(false);
	}
    }
}