Salut j'ai trouvé un code sur le net il s'agit d'un date picker, le problème se pose pour moi lors du clic sur le jours à chaque fois le numéro du jours est affiché plusieurs reprises, je sais pas comment remédier à ce problème
voici mon code:
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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143 public class JCalendar extends JPanel { private Locale _locale = getDefaultLocale(); private GregorianCalendar _calendar = new GregorianCalendar(); private DateFormatSymbols _dateSymbols = new DateFormatSymbols(); private SimpleDateFormat _formatMY = new SimpleDateFormat("MMMM yyyy"); private int _firstDayOfWeek = _calendar.getFirstDayOfWeek(); private final JLabel _monthYear = new JLabel("", SwingUtilities.CENTER); private final JLabel[] _daysOfWeek = new JLabel[7]; private final JButton[] _daysNumber = new JButton[42]; private final ActionListener _getDate = new ActionListener() { public void actionPerformed(final ActionEvent dt) { System.out.println(dt.getActionCommand()); } }; private final ActionListener _changeMonth = new ActionListener() { public void actionPerformed(final ActionEvent ae) { final int nb = "next".equals(ae.getActionCommand()) ? 1 : -1; _calendar.add(Calendar.MONTH, nb); updateMonthYear(); updateDaysNumber(); } }; public JCalendar() { setLayout(new BorderLayout()); // Month Panel final JPanel monthPanel = new JPanel(); final JButton previous = new JButton("<<"); previous.addActionListener(_changeMonth); final JButton next = new JButton(">>"); next.addActionListener(_changeMonth); next.setActionCommand("next"); _monthYear.setPreferredSize(new Dimension(120, 20)); monthPanel.add(previous); monthPanel.add(_monthYear); monthPanel.add(next); add(monthPanel, BorderLayout.NORTH); // Day Panel final JPanel dayPanel = new JPanel(); dayPanel.setLayout(new GridLayout(7, 7)); for (int i = 0; i < 7; ++i) { dayPanel.add(_daysOfWeek[i] = new JLabel("", SwingUtilities.CENTER)); } for (int i = 0; i < _daysNumber.length; ++i) { dayPanel.add(_daysNumber[i] = new JButton()); } add(dayPanel, BorderLayout.CENTER); // Remplissage des composants updateMonthYear(); updateDaysOfWeek(); updateDaysNumber(); } // Réactualise la locale et réaffiche le contenu des composants private void updateLocale(final Locale locale) { _locale = locale; final Date tmp = _calendar.getTime(); _calendar = new GregorianCalendar(_locale); _calendar.setTime(tmp); _firstDayOfWeek = _calendar.getFirstDayOfWeek(); _dateSymbols = new DateFormatSymbols(_locale); _formatMY = new SimpleDateFormat("MMMM yyyy", _locale); updateMonthYear(); updateDaysOfWeek(); updateDaysNumber(); } // Affiche le mois et l'année en cours private void updateMonthYear() { _monthYear.setText(_formatMY.format(_calendar.getTime())); } // Affiche les jours de la semaine private void updateDaysOfWeek() { final String[] weekDays = _dateSymbols.getShortWeekdays(); for (int i = 1; i < weekDays.length; ++i) { final int index = (i - 2 + _firstDayOfWeek) % 7 + 1; _daysOfWeek[i - 1].setText(weekDays[index]); } } // Affiche le numéro des jours private void updateDaysNumber() { final Date tmp = _calendar.getTime(); _calendar.set(Calendar.DAY_OF_MONTH, 1); final int firstDay = _calendar.get(Calendar.DAY_OF_WEEK); final int LocalFirstDay = (firstDay - _firstDayOfWeek + 7) % 7 + 1; boolean full = false; for (int i = 0; i < _daysNumber.length; ++i) { //Détermine si le composant est affiché ou non final boolean isNotEmpty = i < LocalFirstDay - 1 || full; _daysNumber[i].setVisible(!isNotEmpty); _daysNumber[i].addActionListener(_getDate); // Affichage du jour if (!isNotEmpty) { final int dayOfMonth = _calendar.get(Calendar.DAY_OF_MONTH); _daysNumber[i].setText(String.valueOf(dayOfMonth)); _calendar.add(Calendar.DAY_OF_MONTH, 1); full = 1 == _calendar.get(Calendar.DAY_OF_MONTH); } _daysNumber[i].setActionCommand(_daysNumber[i].getText()); } _calendar.setTime(tmp); } public static void main(String[] args) { final JDialog frame = new JDialog(); frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); frame.getContentPane().add(new JCalendar()); frame.setLocationRelativeTo(null); frame.pack(); frame.setVisible(true); } }
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