Application: gvSIG desktop » Library: org.gvsig.tools

public class DateCalendarPicker extends JPanel implements DateListener {

    private JCalendar jCal = null;

    boolean okPressed = false;

    private Calendar calendar;

    private DateFormat formatter;

    private JButton buttonOK;

    private JButton buttonCancel;

    private Date iniDate;

    public DateCalendarPicker(Date date) {

        this(date, Locale.getDefault());

    }

    public DateCalendarPicker(Date date, Locale loc) {

        super();

        if (date == null)

            date = new Date();

        this.iniDate = date;

        this.setLocale(loc);

        beforeUI(date);

        initUI();

    }

    public JLabel getLbl() {

        if (this.dateLabel == null) {

            this.dateLabel = new JLabel(getDateString());

            // Label settings

            this.dateLabel.setBorder(BorderFactory

                .createEmptyBorder(8, 8, 5, 8));

            this.dateLabel.setHorizontalAlignment(JFormattedTextField.CENTER);

            this.dateLabel.setBackground(Color.BLUE.brighter());

            this.dateLabel.setForeground(Color.BLUE.brighter());

            this.dateLabel.setFont(new Font("SansSerif", Font.BOLD, 18));

        }

        return this.dateLabel;

    }

    private void initUI() {

        // Setting border

        Border compoundBorder = createCompoundBorder();

        this.setBorder(compoundBorder);

        JPanel datePanel = new JPanel(new GridBagLayout());

        GridBagConstraints c = new GridBagConstraints();

        c.insets = new Insets(2, 2, 4, 2);

        c.fill = GridBagConstraints.NONE;

        c.gridx = 0;

        datePanel.add(this.getUICalendar(), c);

        JPanel buttonsPanel = new JPanel(new GridBagLayout());

        c = new GridBagConstraints();

        c.insets = new Insets(2, 2, 4, 2);

        c.fill = GridBagConstraints.NONE;

        buttonsPanel.add(getButtonOK(), c);

        c.insets = new Insets(2, 4, 2, 2);

        c.fill = GridBagConstraints.NONE;

        buttonsPanel.add(getButtonCancel(), c);

        JPanel headerPanel = new JPanel(new GridBagLayout());

        headerPanel.add(getLbl());

        headerPanel.add(new JSeparator());

        headerPanel.setBackground(new Color(0, 0, 255, 20));

        // this.add(getLbl(), BorderLayout.PAGE_START);

        this.add(headerPanel, BorderLayout.PAGE_START);

        this.add(datePanel, BorderLayout.CENTER);

        this.add(buttonsPanel, BorderLayout.PAGE_END);

    }

    private JButton getButtonOK() {

        if (buttonOK == null) {

            buttonOK = new JButton("Ok");

            buttonOK.setActionCommand("BTN_OK");

            buttonOK.setSize(90, 23);

        }

        return buttonOK;

    }

    private JButton getButtonCancel() {

        if (buttonCancel == null) {

            buttonCancel = new JButton("Cancel");

            buttonCancel.setActionCommand("BTN_CANCEL");

            buttonCancel.setSize(90, 23);

        }

        return buttonCancel;

    }

    private Calendar getDateCalendar() {

        if (this.calendar == null) {

            this.calendar = Calendar.getInstance(this.getLocale());

            this.calendar.setTime(this.iniDate);

        }

        return this.calendar;

    }

    private void beforeUI(Date date) {

        // DateFormat

        formatter =

            DateFormat.getDateInstance(DateFormat.FULL, this.getLocale());

        // Calendar settings

        JCalendar cal = getUICalendar();

        cal.setDate(date);

        // Setting fonts

        // Set fonts rather than using defaults

        cal.setTitleFont(new Font("SansSerif", Font.BOLD, 22));

        cal.setDayOfWeekFont(new Font("SansSerif", Font.ITALIC, 12));

        cal.setDayFont(new Font("SansSerif", Font.BOLD, 14));

        cal.setTimeFont(new Font("DialogInput", Font.PLAIN, 10));

        cal.setTodayFont(new Font("Dialog", Font.PLAIN, 14));

    }

    private Border createCompoundBorder() {

        // Create a border for all calendars

        Border etchedBorder = BorderFactory.createEtchedBorder();

        Border emptyBorder = BorderFactory.createEmptyBorder(10, 10, 10, 10);

        return BorderFactory.createCompoundBorder(etchedBorder, emptyBorder);

    }

    private JCalendar getUICalendar() {

        if (jCal == null) {

            jCal = new JCalendar();

            jCal.setSize(300, 300);

            jCal.addDateListener(this);

            jCal.setLocale(this.getLocale());

            jCal.setDate(this.getDateCalendar().getTime());

        }

        return jCal;

    }

    public void addDateListener(DateListener listener) {

        this.getUICalendar().addDateListener(this);

    }

    public void dateChanged(DateEvent dateEvent) {

        this.calendar = dateEvent.getSelectedDate();

        refreshLbl();

    }

    private void refreshLbl() {

        this.getLbl().setText(getDateString());

    }

    public String getLblText(Date date) {

        return formatter.format(this.getSelectedDate());

    }

    public Date getSelectedDate() {

        return getDateCalendar().getTime();

    }

    public String getDateString() {

        return getLblText(getSelectedDate());

    }

    public void addButtonsActionListener(ActionListener listener) {

        this.getButtonCancel().addActionListener(listener);

        this.getButtonOK().addActionListener(listener);

    }

    public void setSelectedDate(Date date) {

        if (date == null) {

            date = new Date();

        }

        this.getDateCalendar().setTime(date);

        this.getUICalendar().setDate(date);

        refreshLbl();

    }

}