LG

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====Fenêtre basique====

{{:lang:java:gui:swing:swing.png|Vue de la fenêtre standars Swing}}
<file java Swing.java>
package org.llgc;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;

import javax.swing.AbstractAction;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;
import javax.swing.SwingConstants;

@SuppressWarnings ("serial")
public class Swing extends JFrame
{
  public static void main (final String[] args)
  {
    new Swing ();
  }

  public Swing ()
  {
    initialize ();
  }

  private void initialize ()
  {
    setTitle ("Bonjour");

    // addWindowListener (new ActionClose());
    setDefaultCloseOperation (DISPOSE_ON_CLOSE);

    getContentPane ().setLayout (new BorderLayout ()); // Le add place les
    // composants les uns à la suite des autres plutôt que les uns sur les
    // autres.
    getContentPane ().add (new JLabel ("Titre", SwingConstants.CENTER), BorderLayout.NORTH);

    JPanel pnlSouth = new JPanel (new GridLayout (0, 2, 12, 12));
    pnlSouth.setDoubleBuffered (true);

    JLabel lbl = new JLabel ("Nom");
    lbl.setHorizontalAlignment (SwingConstants.CENTER);
    pnlSouth.add (lbl, BorderLayout.CENTER);
    JTextField bt = new JTextField (25);
    pnlSouth.add (bt, BorderLayout.CENTER);

    lbl = new JLabel ("Pays");
    lbl.setHorizontalAlignment (SwingConstants.CENTER);
    pnlSouth.add (lbl, BorderLayout.CENTER);
    JComboBox <String> lstPays = new JComboBox <String> ();
    lstPays.addItem ("France");
    lstPays.addItem ("Espagne");
    lstPays.addItem ("Angleterre");
    lstPays.addItem ("Belgique");
    pnlSouth.add (lstPays, BorderLayout.CENTER);

    lbl = new JLabel ("Civilité");
    lbl.setHorizontalAlignment (SwingConstants.CENTER);
    pnlSouth.add (lbl, BorderLayout.CENTER);
    JPanel pnlCiv = new JPanel (new BorderLayout ());
    JRadioButton optMonsieur = new JRadioButton ("Monsieur");
    JRadioButton optMadame = new JRadioButton ("Madame");
    ButtonGroup grpCivil = new ButtonGroup ();
    grpCivil.add (optMadame);
    grpCivil.add (optMonsieur);

    pnlCiv.add (optMadame, BorderLayout.EAST);
    pnlCiv.add (optMonsieur, BorderLayout.WEST);
    pnlSouth.add (pnlCiv, BorderLayout.CENTER);

    JPanel pnl2 = new JPanel ();
    // pnl2.setSize (new Dimension (500, 500));
    // pnlSouth.setSize (new Dimension (500, 500));
    pnl2.add (pnlSouth, BorderLayout.CENTER);
    pnlSouth.setLayout (new GridLayout (0, 2, 20, 20));
    getContentPane ().add (pnl2, BorderLayout.CENTER);

    pnlSouth = new JPanel (new FlowLayout ());
    JButton button1 = new JButton (new ActionClose ("Fermer"));
    JButton button2 = new JButton (new ActionClose ("Fermer bis"));
    pnlSouth.add (button1, BorderLayout.WEST);
    pnlSouth.add (button2, BorderLayout.EAST);
    getContentPane ().add (pnlSouth, BorderLayout.SOUTH);

    // setSize (280, 100);
    pack ();
    setVisible (true);
  }

  private class ActionClose extends AbstractAction
  {
    public ActionClose (String name)
    {
      super (name);
    }

    @Override
    public void actionPerformed (ActionEvent arg0)
    {
      dispose ();
    }
  }
}
</file>
====Menu et barre d'outils====
{{:lang:java:gui:swing:swing2.png|Vue de la fenêtre Swing2 avec son menu et sa barre d'outils}}
<file java Swing2.java>
package org.llgc;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.Charset;

import javax.swing.AbstractAction;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JToolBar;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.text.JTextComponent;
import javax.swing.text.PlainDocument;

public class Swing2 extends JFrame implements ActionListener
{
  private static final long serialVersionUID = -7065885007988227830L;
  private JTextComponent editor;

  private Swing2 ()
  {
    initialize ();
  }

  private void initialize ()
  {
    Container c = getContentPane ();

    c.setLayout (new BorderLayout ());
    setTitle ("Editeur");
    setDefaultCloseOperation (DISPOSE_ON_CLOSE);
    setJMenuBar (createMenu ());
    c.add (createToolBar (), BorderLayout.NORTH);
    editor = createTextComponent ();
    c.add (new JScrollPane (editor), BorderLayout.CENTER);
  }

  private JMenuBar createMenu ()
  {
    JMenuBar barre_de_menus = new JMenuBar ();
    JMenu menu_personnel = new JMenu ("Fichier");
    JMenuItem item1 = new JMenuItem (new ActionNew ("Nouveau", new ImageIcon ("img/newdoc.png")));
    JMenuItem item2 = new JMenuItem (new ActionOpen ("Ouvrir", new ImageIcon ("img/open.png")));
    JMenuItem item4 = new JMenuItem (new ActionClose ("Fermer"));

    barre_de_menus.add (menu_personnel);
    menu_personnel.add (item1);
    menu_personnel.add (item2);
    menu_personnel.addSeparator ();
    menu_personnel.add (item4);
    return barre_de_menus;
  }

  private JToolBar createToolBar ()
  {
    JToolBar tool = new JToolBar ();
    tool.add (new JButton (new ActionNew (new ImageIcon ("img/newdoc.png"))));
    tool.add (new JButton (new ActionOpen (new ImageIcon ("img/open.png"))));
    tool.addSeparator ();
    return tool;
  }

  private JTextComponent createTextComponent ()
  {
    JTextArea txt = new JTextArea ();
    return txt;
  }

  public static void main (String[] args)
  {
    Swing2 frm = new Swing2 ();
    frm.pack ();
    frm.setVisible (true);
  }

  public JTextComponent getEditor ()
  {
    return editor;
  }

  public class ActionNew extends AbstractAction
  {
    private static final long serialVersionUID = -9121532899728292588L;

    public ActionNew (String name, Icon icon)
    {
      super (name, icon);
    }

    public ActionNew (Icon icon)
    {
      super ("", icon);
    }

    public ActionNew (String name)
    {
      super (name);
    }

    @Override
    public void actionPerformed (ActionEvent e)
    {
      getEditor ().setDocument (new PlainDocument ());
    }
  }

  private class ActionOpen extends AbstractAction
  {
    private static final long serialVersionUID = -3137082881796863964L;

    public ActionOpen (Icon icon)
    {
      super ("", icon);
    }

    public ActionOpen (String name, Icon icon)
    {
      super (name, icon);
    }

    @Override
    public void actionPerformed (ActionEvent e)
    {
      JFileChooser chooser = new JFileChooser ();
      chooser.setFileFilter (new FileNameExtensionFilter ("Fichier txt", "txt"));
      if (chooser.showOpenDialog (null) == JFileChooser.APPROVE_OPTION)
      {
        File fileName = chooser.getSelectedFile ();
        try (BufferedReader br = new BufferedReader (
            new InputStreamReader (new FileInputStream (fileName), Charset.forName ("UTF-8"))))
        {
          char[] buffer = new char[(int) fileName.length ()];
          if (br.read (buffer, 0, (int) fileName.length ()) != fileName.length ())
          {
            throw new IOException ("Erreur lors de la lecture du fichier");
          }
          /*
           * Document doc = new PlainDocument (); doc.insertString (0, new
           * String (buffer), null); getEditor ().setDocument (doc);
           */
          getEditor ().setText (new String (buffer));
        }
        catch (IOException e1)
        {
          e1.printStackTrace();
          return;
        }
      }
    }

  }

  private class ActionClose extends AbstractAction
  {
    private static final long serialVersionUID = 1813412014719789012L;

    public ActionClose (String name)
    {
      super (name);
    }

    @Override
    public void actionPerformed (ActionEvent e)
    {
      dispose ();
    }

  }

  @Override
  public void actionPerformed (ActionEvent e)
  {
  }
}
</file>

====Tableau====
{{:lang:java:gui:swing:swing3.png|Vue de la fenêtre Swing3 avec composant graphique tableau}}

<file java Swing3.java>
import java.awt.BorderLayout;
import java.awt.event.MouseAdapter;

import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.WindowConstants;
import javax.swing.table.DefaultTableModel;

public class Swing3
{

  private static final int imageHeight = 30; // hauteur de ligne
  private JTable table;

  public static void main (String[] args)
  {
    new Swing3 ().initialize ();
  }

  public void initialize ()
  {
    JFrame frame = new JFrame ();
    frame.setTitle ("Exemple de JTable");

    ImageIcon icon1 = new ImageIcon ("img/edit.png");
    ImageIcon icon2 = new ImageIcon ("img/delete.png");
    ImageIcon icon3 = new ImageIcon ("img/call.png");

    Object[] entete = { "Edit", "Delete", "Call", "Id", "Lastame", "Firstname", "IPAddress" };
    Object[][] donnees = { { icon1, icon2, icon3, "1", "Dupont", "Pierre", "192.168.1.122" },
        { icon1, icon2, icon3, "2", "Durand", "Jacques", "192.168.1.123" } };

    DefaultTableModel tableModel = new DefaultTableModel (donnees, entete)
    {
      private static final long serialVersionUID = 756473841910394607L;

      @SuppressWarnings ({ "unchecked", "rawtypes" })
      @Override
      public Class getColumnClass (int column)
      {
        if (column < 3)
          return ImageIcon.class;
        return Object.class;
      }
    };

    table = new JTable (tableModel);
    table.setRowHeight (imageHeight);

    table.setAutoResizeMode (JTable.AUTO_RESIZE_OFF);

    table.getColumn ("Edit").setPreferredWidth (30);
    table.getColumn ("Delete").setPreferredWidth (30);
    table.getColumn ("Call").setPreferredWidth (30);
    table.getColumn ("Id").setPreferredWidth (30);
    table.getColumn ("Lastame").setPreferredWidth (100);
    table.getColumn ("Firstname").setPreferredWidth (100);
    table.getColumn ("IPAddress").setPreferredWidth (100);

    table.addMouseListener (new MouseAdapter ()
    {
      @Override
      public void mouseClicked (java.awt.event.MouseEvent evt)
      {
        int row = table.rowAtPoint (evt.getPoint ());
        int col = table.columnAtPoint (evt.getPoint ());
        if (row >= 0 && col >= 0)
        {
          switch (col)
          {
            case 0:
              System.out.println ("Edit " + table.getValueAt (row, 3));
              break;
            case 1:
              System.out.println ("Delete " + table.getValueAt (row, 3));
              break;
            case 2:
              System.out.println ("Call " + table.getValueAt (row, 3));
              break;
            default:
              break;
          }
        }
      }
    });

    frame.add (new JScrollPane (table), BorderLayout.CENTER);
    frame.setDefaultCloseOperation (WindowConstants.DISPOSE_ON_CLOSE);
    frame.pack ();
    frame.setVisible (true);
  }
}
</file>