personnaliser la boite de confirmation :showConfirmDialog

**abdennour bouaicha** · 11/01/2020, 13h16

salut,
je voudrais personnaliser la boite de confirmation

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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 int option = JOptionPane.showConfirmDialog(null, question, title,
                JOptionPane.YES_NO_OPTION,
                JOptionPane.QUESTION_MESSAGE, null );

comme ce style suivant:
Nom : conf.png
Affichages : 351
Taille : 34,8 Ko

y'a t'il une idée???
merci d'avance.

**joel.drigo** · 11/01/2020, 17h35

Salut,

Tu peux complètement faire l'équivalent de JOptionPane à partir de la classe JDialog (JOptionPane est basée sur JDialog), ce qui te permettra de gérer les styles comme tu veux. Pour supprimer les décorations de la fenêtre, utiliser setUndecorated. Il faut évidemment réadapter toutes les décorations de boutons, adapter les styles de texte, polices, couleurs (pour le message, le plus simple de passer par du html/JTextPane), réadapter la gestion du clavier, supprimer la gestion du focus, gérer les marges par des borders, éventuellement réadapter l'UI du bouton, etc.

Exemple :

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Graphics2D;
import java.awt.GridBagLayout;
import java.awt.KeyEventDispatcher;
import java.awt.KeyboardFocusManager;
import java.awt.Polygon;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
 
import javax.swing.BorderFactory;
import javax.swing.DefaultFocusManager;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextPane;
 
public class CustomDialog extends JDialog {
 
	private static final long serialVersionUID = 1L;
 
	private static final String FONT = "Courier New"; 
	private static final Font FONTBUTTON = new Font(FONT,Font.PLAIN,27);
	private static final Color COLORTEXT = Color.WHITE;
	private static final Color COLORBACKGROUND = new Color(255,0,0);
	private static final Color COLORBUTTON = new Color(240,0,0);
	private static final Color COLORBUTTONBORDER = new Color(250,0,0);
	private static final Color COLORICON = Color.BLACK;
	private static final int MARGINBUTTON = 10;
	private static final int MARGINDIALOG = 10;
 
	private static final Icon FLOPPY_DISK_ICON = createFloppyDiskIcon();
 
 
	private boolean ok;
	private JButton buttonValider;
	private JButton buttonAnnuler;
	private CustomDialog(Frame owner) {
		super(owner, true);
		setUndecorated(true); // pour enlever les décorations
		setDefaultCloseOperation(DISPOSE_ON_CLOSE);
		JPanel panel = new JPanel(new BorderLayout());
		panel.setBorder(BorderFactory.createEmptyBorder(MARGINDIALOG,MARGINDIALOG,MARGINDIALOG,MARGINDIALOG));
		panel.setBackground(COLORBACKGROUND);
		JTextPane messagePane = new JTextPane();
		messagePane.setContentType("text/html");
		messagePane.setFont(getFont());
		messagePane.setEditable(false);
		messagePane.setText("<html><font face='"+FONT+"' color='white'><b><center><font size='37'>VOULEZ-VOUS FAIRE L'ENREGISTREMENT ?</font></center><center>Enter: VALIDER --- Escape: ANNULER</center></b></font>");
		messagePane.setOpaque(false);
		messagePane.setForeground(COLORTEXT);
		panel.add(messagePane);
 
		JLabel iconLabel = new JLabel(FLOPPY_DISK_ICON);
		JPanel iconPanel = new JPanel(new FlowLayout(FlowLayout.LEFT));
		iconPanel.setOpaque(false);
		iconPanel.add(iconLabel);
		panel.add(iconPanel, BorderLayout.NORTH);
 
		JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER,10,10));
		buttonPanel.setOpaque(false);
		buttonValider = createValiderButton();
		buttonAnnuler = createAnnulerButton();
		buttonPanel.add(buttonValider);
		buttonPanel.add(buttonAnnuler);
		panel.add(buttonPanel, BorderLayout.SOUTH);
		add(panel);
 
		DefaultFocusManager.getCurrentKeyboardFocusManager().addKeyEventDispatcher(new KeyEventDispatcher() {
 
			@Override
			public boolean dispatchKeyEvent(KeyEvent e) {
				if ( e.getID()==KeyEvent.KEY_PRESSED ) {
					switch(e.getKeyCode()) {
					case KeyEvent.VK_ENTER:
						ok=true;
						KeyboardFocusManager.getCurrentKeyboardFocusManager().removeKeyEventDispatcher(this);
						dispose();
						return true;
					case KeyEvent.VK_ESCAPE:
						ok=false;
						KeyboardFocusManager.getCurrentKeyboardFocusManager().removeKeyEventDispatcher(this);
						dispose();
						return true;
					}
				}
				return false;
			}
		});
 
	}
 
	private JButton createValiderButton() {
		JButton jbutton = createButton("OK",e->ok=true);
		return jbutton;
	}
 
	private JButton createAnnulerButton() {
		JButton jbutton = createButton("ANNULER",e->ok=false);
		return jbutton;
	}
	private JButton createButton(String text, ActionListener listener) {
 
		JButton jbutton = new JButton(text);
		jbutton.setBorder(BorderFactory.createCompoundBorder(
				BorderFactory.createLineBorder(COLORBUTTONBORDER),
				BorderFactory.createEmptyBorder(MARGINBUTTON,MARGINBUTTON,MARGINBUTTON,MARGINBUTTON)
				));
		jbutton.setFont(FONTBUTTON);
		jbutton.setForeground(COLORTEXT);
		jbutton.setBackground(COLORBUTTON);
		jbutton.setPreferredSize(new Dimension(150,jbutton.getPreferredSize().height));
		jbutton.addActionListener(e-> {
			listener.actionPerformed(e);
			dispose();
		});
		jbutton.setFocusable(false);
		jbutton.setFocusPainted(false);
		return jbutton;
 
	}
 
	private void showCentered() {
		if ( !isVisible() ) {
			pack();
			setLocationRelativeTo(getParent());
			setVisible(true);
		}
	}
 
	public static boolean showDialog(Frame owner) {
		CustomDialog dialog = new CustomDialog(owner);
		dialog.showCentered();
		return dialog.ok;
	}
 
	private static Icon createFloppyDiskIcon() {
 
		BufferedImage image = new BufferedImage(160, 160, BufferedImage.TYPE_INT_ARGB);
 
		Graphics2D g = image.createGraphics();
 
		g.setColor(COLORICON);
 
		g.setStroke(new BasicStroke(9, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
 
		Polygon polygon = new Polygon(
				new int[] {15, 130, 140, 140, 15},
				new int[] {15, 15, 30, 140, 140},
				5
				);
		g.draw(polygon);
 
		g.drawRect(45, 15, 65, 45);
		g.drawRect(85, 25, 15, 25);
		g.drawRect(35, 80, 85, 60);
 
		g.dispose();
 
		return new ImageIcon(image);
 
	}
 
 
	public static void main(String[] args) {
 
		JFrame frame = new JFrame();
		JPanel buttonpanel = new JPanel(new GridBagLayout());
		JButton button = new JButton("Afficher dialogue");
		buttonpanel.add(button);
		JPanel labelpanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
		JLabel reponse = new JLabel(" ");
		labelpanel.add(reponse);
 
		frame.add(buttonpanel);
		frame.add(labelpanel, BorderLayout.SOUTH);
 
		button.addActionListener(e-> {
			boolean ok = CustomDialog.showDialog(null);
			reponse.setText("Réponse : " + (ok?"VALIDER":"ANNULER"));
		});
 
		frame.pack();
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setLocationRelativeTo(null);
		frame.setVisible(true);
 
	}
 
}

**abdennour bouaicha** · 11/01/2020, 19h34

super,
merci beaucoup

personnaliser la boite de confirmation :showConfirmDialog

Java

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