package loesninger;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.*;

public class Datamodeller extends JFrame
{
	private JTextField jTextField1 = new JTextField();
	private JTextField jTextField2 = new JTextField();
	private JTextField jTextField3 = new JTextField();
	private JLabel jLabel2 = new JLabel();
	private JLabel jLabel1 = new JLabel();
	private JLabel jLabel3 = new JLabel();
	private JButton jButton1 = new JButton();
	private JButton jButton2 = new JButton();
	private JMenuBar menulinje = new JMenuBar();
	private JMenu itemMenu;
	private JMenuItem item1;
	private JButton jButton3 = new JButton();
	private JLabel jLabel4 = new JLabel();

	public Datamodeller() {
		try {
			jbInit();
		}
		catch(Exception e) {
			e.printStackTrace();
		}

		// jTextField1 og jTextField2 sættes til at redigere i samme tekst
		Document datamodel = jTextField1.getDocument();
		jTextField2.setDocument(datamodel);

		// jTextField3 accepterer kun store bogstaver
		// Løsning med almindelig klasse
		// Document datamodel2 = new StortDokument();
		// jTextField3.setDocument(datamodel2);

		// Løsning med anonym klasse
		jTextField3.setDocument(new PlainDocument() 
		{
			public void insertString (int o, String s, AttributeSet a)
				throws BadLocationException 
			{
				super.insertString(o, s.toUpperCase(), a);
				System.out.println("insertString("+o+", '"+s+"') kaldt.\n");
			}
		});

		// jButton1 og jButton2 deler datamodel
		jButton2.setModel(jButton1.getModel());
		// trykkes der derfor på  jButton1 vil jButton2 også generere en hændelse

		// menuindgangen deler datamodel med jButton3
		item1.setModel(jButton3.getModel());
		// vælges menuindgangen vil jButton3 også generere en hændelse
	}

	private void jbInit() throws Exception {
		this.getContentPane().setLayout(null);

		jLabel1.setText("Tekstfelt 1 & 2 deler model");
		jLabel1.setBounds(new Rectangle(11, 13, 223, 17));
		jTextField1.setText("");
		jTextField1.setBounds(new Rectangle(14, 35, 101, 26));
		jTextField2.setText("");
		jTextField2.setBounds(new Rectangle(137, 36, 101, 24));

		jLabel2.setText("Tekstfelt 3 accepterer kun store bogstaver");
		jLabel2.setBounds(new Rectangle(13, 80, 321, 17));
		jTextField3.setBounds(new Rectangle(13, 103, 107, 26));

		jLabel3.setText("Knap 1 & 2 deler model");
		jLabel3.setBounds(new Rectangle(13, 142, 256, 17));
		jButton1.setText("jButton1");
		jButton1.setBounds(new Rectangle(12, 165, 104, 27));
		jButton2.setText("jButton2");
		jButton2.setBounds(new Rectangle(129, 164, 97, 27));
		jButton2.addActionListener(new java.awt.event.ActionListener() {
			public void actionPerformed(ActionEvent e) {
				jButton2_actionPerformed(e);
			}
		});

		jLabel4.setText("Knap 3 deler model med menuen");
		jLabel4.setBounds(new Rectangle(15, 216, 256, 17));
		jButton3.setText("jButton3");
		jButton3.setBounds(new Rectangle(14, 241, 101, 28));
		jButton3.addActionListener(new java.awt.event.ActionListener() {
			public void actionPerformed(ActionEvent e) {
				jButton3_actionPerformed(e);
			}
		});

		this.getContentPane().add(jLabel1, null);
		this.getContentPane().add(jLabel2, null);
		this.getContentPane().add(jLabel3, null);
		this.getContentPane().add(jLabel4, null);
		this.getContentPane().add(jTextField1, null);
		this.getContentPane().add(jTextField2, null);
		this.getContentPane().add(jTextField3, null);
		this.getContentPane().add(jButton1, null);
		this.getContentPane().add(jButton2, null);
		this.getContentPane().add(jButton3, null);

		// Opret menu
		itemMenu = new JMenu("Menu");
		item1 = new JMenuItem();
		item1.setText("Handling fælles med jButton3");
		item1.setActionCommand("Item1");
		itemMenu.add(item1);
		menulinje.add(itemMenu);
		setJMenuBar(menulinje);
	}

	void jButton2_actionPerformed(ActionEvent e) {
		System.out.println("jButton2 trykket ned.");
	}

	void jButton3_actionPerformed(ActionEvent e) {
		System.out.println("jButton3 trykket ned.");
	}

	public static void main(String[] arg) {
		Datamodeller vindue = new Datamodeller();
		vindue.setSize(300,400);
		vindue.setVisible(true);
	}
}