JDateField

package bruce.lib.swing;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;

import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JTextField;

import bruce.lib.swing.JDatePickPane.PickDate;

/**
 * @author Bruce (NaNashi)
 * 
 */
public class JDateField extends JPanel {

    private JButton btnPopup;
    private JTextField txtInput;
    private Calendar c;

    private String format;
    private String[] dayDisplayNames;
    private Locale locale;
    private Icon leftArrow;
    private Icon rightArrow;
    private boolean isCloseOnClick;

    public JDateField() {
        super(new GridBagLayout());

        this.locale = Locale.getDefault();
        this.format = JDatePickPane.DEFAULT_DATE_FORMAT;

        this.leftArrow = JDatePickPane.getImageIcon("/bruce/lib/swing/img/Arrow.blue.left.png", 20, 20);
        this.rightArrow = JDatePickPane.getImageIcon("/bruce/lib/swing/img/Arrow.blue.right.png", 20, 20);

        this.txtInput = new JTextField();
        this.txtInput.setEditable(false);
        this.add(this.txtInput, new GridBagConstraints(0, 0, 1, 1, 1, 0, 10, 2, new Insets(1, 1, 1, 1), 0, 0));

        try {
            btnPopup = new JButton(new ImageIcon(this.getClass().getResource("/bruce/lib/swing/img/calendar-date-icon.png")));
            btnPopup.setBorder(BorderFactory.createEmptyBorder());
            btnPopup.setBorderPainted(false);
        } catch (Exception e) {
            btnPopup = new JButton("P");
        }
        btnPopup.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                popup();
            }
        });
        this.add(btnPopup, new GridBagConstraints(1, 0, 1, 1, 0, 0, 10, 2, new Insets(1, 1, 1, 1), 0, 0));
    }

    public JDateField(int columns) {
        this();
        this.txtInput.setColumns(columns);
    }

    public JDateField(Calendar c) {
        this();
        this.setSelectedDateText(c);
    }

    public JDateField(Calendar c, int columns) {
        this(c);
        this.txtInput.setColumns(columns);
    }

    private void popup() {
        JDatePickDialog dialog = new JDatePickDialog(this.txtInput);
        dialog.setTodayFormat(this.format);
        dialog.setDayName(this.dayDisplayNames);
        dialog.setUILocale(this.locale);
        dialog.setLeftArrow(this.leftArrow);
        dialog.setRightArrow(this.rightArrow);

        dialog.setDateSelected(new PickDate() {
            @Override
            public void pick(Calendar c) {
                setSelectedDateText(c);
            }
        });

        try {
            dialog.view(txtInput.getText().trim());
        } catch (Exception ex) {
            dialog.view();
        }
    }

    public void setFormat(String format) {
        this.format = format;
        this.setSelectedDateText(this.c);
    }

    public String getFormat() {
        return this.format == null ? JDatePickPane.DEFAULT_DATE_FORMAT : this.format;
    }

    public String[] getDayDisplayNames() {
        return dayDisplayNames;
    }

    public void setDayDisplayNames(String[] dayDisplayNames) {
        this.dayDisplayNames = dayDisplayNames;
    }

    public Locale getUILocale() {
        return locale;
    }

    public void setUILocale(Locale locale) {
        this.locale = locale;
    }

    public Icon getLeftArrow() {
        return leftArrow;
    }

    public void setLeftArrow(Icon leftArrow) {
        this.leftArrow = leftArrow;
    }

    public Icon getRightArrow() {
        return rightArrow;
    }

    public void setRightArrow(Icon rightArrow) {
        this.rightArrow = rightArrow;
    }

    public void setCloseOnClick(boolean isCloseOnClick) {
        this.isCloseOnClick = isCloseOnClick;
    }

    public boolean isCloseOnClick() {
        return isCloseOnClick;
    }

    public int getColumns() {
        return this.txtInput.getColumns();
    }

    public void setColumns(int columns) {
        this.txtInput.setColumns(columns);
    }

    public void setButtonVisible(boolean b) {
        this.btnPopup.setVisible(b);
        if (b) {
            MouseListener[] ls = this.txtInput.getMouseListeners();
            for (MouseListener l : ls) {
                this.txtInput.removeMouseListener(l);
            }
        } else {
            this.txtInput.addMouseListener(new MouseAdapter() {
                @Override
                public void mouseClicked(MouseEvent e) {
                    popup();
                }
            });
        }
    }

    public void setSelectedDateText(Date date) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        this.setSelectedDateText(c);
    }

    public void setSelectedDateText(Calendar c) {
        this.c = c;
        if (this.format == null) {
            this.txtInput.setText(String.format("%tF", c));
        } else {
            try {
                SimpleDateFormat f = new SimpleDateFormat(this.format);
                this.txtInput.setText(f.format(c.getTime()));
            } catch (Exception ex) {
                this.txtInput.setText(String.format("%tF", c));
            }
        }
    }

    public Calendar getSelectedCalender() {
        return this.c == null ? Calendar.getInstance() : this.c;
    }

}

package bruce.lib.swing;

import java.awt.Component;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.WindowEvent;
import java.awt.event.WindowFocusListener;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;

import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.JDialog;

import bruce.lib.swing.JDatePickPane.PickDate;

/**
 * @author Bruce (NaNashi)
 * 
 */
public class JDatePickDialog extends JDialog {

    private boolean isCloseOnClick;

    public JDatePickDialog() {
        this.init();

        Dimension size = Toolkit.getDefaultToolkit().getScreenSize();
        this.setLocation(new Point((size.width - this.getWidth()) / 2, (size.height - this.getHeight()) / 2));
    }

    public JDatePickDialog(Component c) {
        this.setUndecorated(true);
        this.init();

        this.getContent().setBorder(BorderFactory.createEtchedBorder());

        this.addWindowFocusListener(new WindowFocusListener() {
            @Override
            public void windowLostFocus(WindowEvent e) {
                setVisible(false);
                dispose();
            }

            @Override
            public void windowGainedFocus(WindowEvent e) {
                // TODO Auto-generated method stub

            }
        });

        if (c != null) {
            Point p = c.getLocationOnScreen();
            this.setLocation(new Point(p.x, p.y + c.getHeight()));
        } else {
            Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
            this.setLocation((int) (dim.getWidth() - this.getWidth()) / 2, (int) (dim.getHeight() - this.getHeight()) / 2);
        }
    }

    private void init() {
        this.isCloseOnClick = true;

        this.setContentPane(new JDatePickPane());

        this.setDateSelected(new PickDate() {
            @Override
            public void pick(Calendar c) {
                // 預設值
            }
        });

        this.pack();
    }

    private JDatePickPane getContent() {
        return (JDatePickPane) this.getContentPane();
    }

    public void setCloseOnClick(boolean isCloseOnClick) {
        this.isCloseOnClick = isCloseOnClick;
    }

    public boolean isCloseOnClick() {
        return isCloseOnClick;
    }

    // ========== panel method ================
    /**
     * 選取日期的觸發動作
     * 
     * @param pick
     */
    public void setDateSelected(final PickDate pick) {
        PickDate pd = new PickDate() {
            @Override
            public void pick(Calendar c) {
                pick.pick(c);
                if (isCloseOnClick) {
                    setVisible(false);
                    dispose();
                }
            }
        };
        this.getContent().setDateSelected(pd);
    }

    /**
     * 目前選取日期
     * 
     * @return
     */
    public Calendar getSelectedCalendar() {
        return this.getContent().getSelectedCalendar();
    }

    /**
     * 設定選取的日期
     * 
     * @param c
     */
    public void setSelectedCalendar(Calendar c) {
        this.getContent().setSelectedCalendar(c);
    }

    /**
     * 取得星期的顯示名稱
     * 
     * @return
     */
    public String[] getDayNames() {
        return this.getContent().getDayNames();
    }

    /**
     * 設定星期的顯示名稱
     * 
     * @param names
     */
    public void setDayName(String[] names) {
        this.getContent().setDayName(names);
    }

    /**
     * 設定今天的顯示格式
     * 
     * @param format
     */
    public void setTodayFormat(String format) {
        this.getContent().setTodayFormat(format);
    }

    public String getTodayFormat() {
        return this.getContent().getTodayFormat();
    }

    public void setUILocale(Locale l) {
        this.getContent().setUILocale(l);
    }

    public Locale getUILocale() {
        return this.getContent().getUILocale();
    }

    public void setLeftArrow(Icon icon) {
        this.getContent().setLeftArrow(icon);
    }

    public void setRightArrow(Icon icon) {
        this.getContent().setRightArrow(icon);
    }

    /**
     * 顯示選擇的日期
     * 
     * @param c
     */
    public void view(Calendar c) {
        this.getContent().view(c);
        this.setVisible(true);
    }

    public void view(String date) throws ParseException {
        SimpleDateFormat f = new SimpleDateFormat(this.getContent().getTodayFormat());
        Calendar c = Calendar.getInstance();
        c.setTime(f.parse(date));
        this.getContent().setSelectedCalendar(c);
        this.view(c);
    }

    /**
     * 顯示今天的日期
     */
    public void view() {
        this.getContent().view();
        this.setVisible(true);
    }
}

package bruce.lib.swing;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.geom.AffineTransform;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;

import javax.imageio.ImageIO;
import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;

/**
 * @author Bruce (NaNashi)
 * 
 */
public class JDatePickPane extends JPanel {

    public static final String DEFAULT_DATE_FORMAT = "yyyy-MM-dd";

    public static Icon getImageIcon(String location, double width, double height) {
        try {
            BufferedImage icon = ImageIO.read(String.class.getResource(location));
            // resize image
            AffineTransform transform = AffineTransform.getScaleInstance(width / icon.getWidth(), height / icon.getHeight());
            AffineTransformOp op = new AffineTransformOp(transform, AffineTransformOp.TYPE_BILINEAR);
            return new ImageIcon(op.filter(icon, null));
        } catch (Exception e) {
            return null;
        }
    }

    public interface PickDate {
        void pick(Calendar c);
    }

    class DayCell extends JButton {
        private long stamp;

        DayCell(Calendar c, Calendar currentMonth, Calendar selected) {
            super(String.valueOf(c.get(Calendar.DATE)));

            stopWatch("Day Cell");

            this.stamp = c.getTimeInMillis();
            Calendar now = Calendar.getInstance();
            if (c.get(Calendar.YEAR) == now.get(Calendar.YEAR) && c.get(Calendar.MONTH) == now.get(Calendar.MONTH) && c.get(Calendar.DATE) == now.get(Calendar.DATE)) {
                this.setBorder(BorderFactory.createLineBorder(Color.BLUE));
                this.setForeground(Color.BLUE);
                this.setFont(this.getFont().deriveFont(Font.BOLD, this.getFont().getSize()));
            } else if (c.get(Calendar.YEAR) != currentMonth.get(Calendar.YEAR) || c.get(Calendar.MONTH) != currentMonth.get(Calendar.MONTH)) {
                this.setForeground(Color.GRAY);
                this.setBorder(BorderFactory.createEtchedBorder());
            } else {
                this.setBorder(BorderFactory.createEtchedBorder());
            }
            if (c.get(Calendar.YEAR) == selected.get(Calendar.YEAR) && c.get(Calendar.MONTH) == selected.get(Calendar.MONTH) && c.get(Calendar.DATE) == selected.get(Calendar.DATE)) {
                this.setBorder(BorderFactory.createLineBorder(Color.RED));
                this.setForeground(Color.RED);
                this.setFont(this.getFont().deriveFont(Font.BOLD, this.getFont().getSize()));
            }

            this.addMouseListener(new MouseAdapter() {
                @Override
                public void mouseExited(MouseEvent e) {
                    setBackground(null);
                }

                @Override
                public void mouseEntered(MouseEvent e) {
                    setBackground(Color.white);
                }
            });
            this.addActionListener(new ActionListener() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    JDatePickPane pick = (JDatePickPane) getParent().getParent();
                    pick.selectedDate.setTimeInMillis(stamp);

                    pick.view(pick.selectedDate);

                    if (pick.pickAtion != null) {
                        pick.pickAtion.pick(pick.selectedDate);
                    }
                }
            });
        }
    }

    class MonthCell extends JButton {
        private long stamp;

        public MonthCell(Calendar c, Calendar selected) {
            super(c.getDisplayName(Calendar.MONTH, Calendar.SHORT, loc));

            stopWatch("Month Cell");

            this.stamp = c.getTimeInMillis();
            this.setBorder(BorderFactory.createEtchedBorder());
            this.setPreferredSize(new Dimension(50, 50));

            Calendar now = Calendar.getInstance();
            if (c.get(Calendar.YEAR) == now.get(Calendar.YEAR) && c.get(Calendar.MONTH) == now.get(Calendar.MONTH)) {
                this.setBorder(BorderFactory.createLineBorder(Color.BLUE));
                this.setForeground(Color.BLUE);
                this.setFont(this.getFont().deriveFont(Font.BOLD, this.getFont().getSize()));

            } else {
                this.setBorder(BorderFactory.createEtchedBorder());
            }
            if (c.get(Calendar.YEAR) == selected.get(Calendar.YEAR) && c.get(Calendar.MONTH) == selected.get(Calendar.MONTH)) {
                this.setBorder(BorderFactory.createLineBorder(Color.RED));
                this.setForeground(Color.RED);
                this.setFont(this.getFont().deriveFont(Font.BOLD, this.getFont().getSize()));
            }

            this.addMouseListener(new MouseAdapter() {
                @Override
                public void mouseExited(MouseEvent e) {
                    setBackground(null);
                }

                @Override
                public void mouseEntered(MouseEvent e) {
                    setBackground(Color.white);
                }
            });
            this.addActionListener(new ActionListener() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    Calendar c = Calendar.getInstance();
                    c.setTimeInMillis(stamp);

                    JDatePickPane pick = (JDatePickPane) getParent().getParent();
                    pick.view(c);
                }
            });
        }
    }

    class YearCell extends JButton {
        private long stamp;

        public YearCell(Calendar c, Calendar selected) {
            super(String.valueOf(c.get(Calendar.YEAR)));

            stopWatch("Year Cell");

            this.stamp = c.getTimeInMillis();
            this.setBorder(BorderFactory.createEtchedBorder());
            this.setPreferredSize(new Dimension(50, 50));

            Calendar now = Calendar.getInstance();
            if (c.get(Calendar.YEAR) == now.get(Calendar.YEAR)) {
                this.setBorder(BorderFactory.createLineBorder(Color.BLUE));
                this.setForeground(Color.BLUE);
                this.setFont(this.getFont().deriveFont(Font.BOLD, this.getFont().getSize()));

            } else {
                this.setBorder(BorderFactory.createEtchedBorder());
            }
            if (c.get(Calendar.YEAR) == selected.get(Calendar.YEAR)) {
                this.setBorder(BorderFactory.createLineBorder(Color.RED));
                this.setForeground(Color.RED);
                this.setFont(this.getFont().deriveFont(Font.BOLD, this.getFont().getSize()));
            }

            this.addMouseListener(new MouseAdapter() {
                @Override
                public void mouseExited(MouseEvent e) {
                    setBackground(null);
                }

                @Override
                public void mouseEntered(MouseEvent e) {
                    setBackground(Color.white);
                }
            });
            this.addActionListener(new ActionListener() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    Calendar c = Calendar.getInstance();
                    c.setTimeInMillis(stamp);

                    JDatePickPane pick = (JDatePickPane) getParent().getParent();
                    pick.viewMonth(c);
                }
            });
        }
    }

    private String format;

    private Calendar selectedDate;

    private PickDate pickAtion;

    private String[] dayDisplayNames;

    private Locale loc;

    private Icon leftArrow;
    private Icon rightArrow;

    public JDatePickPane() {
        this.selectedDate = Calendar.getInstance();
        this.setLayout(new BorderLayout());
        this.selectedDate = Calendar.getInstance();
        this.loc = Locale.getDefault();
        this.format = JDatePickPane.DEFAULT_DATE_FORMAT;

        this.leftArrow = getImageIcon("/bruce/lib/swing/img/Arrow.blue.left.png", 20, 20);
        this.rightArrow = getImageIcon("/bruce/lib/swing/img/Arrow.blue.right.png", 20, 20);

        this.view();
    }

    private void putToday() {
        stopWatch("Today Bar");

        JPanel panel = new JPanel(new FlowLayout());
        String today = String.format("%tF", Calendar.getInstance());
        try {
            if (this.format != null) {
                SimpleDateFormat f = new SimpleDateFormat(this.format);
                today = f.format(new Date());
            }
        } catch (Exception e) {
        }
        final JLabel lbToday = new JLabel(today);
        lbToday.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseEntered(MouseEvent e) {
                lbToday.setFont(lbToday.getFont().deriveFont(Font.BOLD, lbToday.getFont().getSize()));
            }

            @Override
            public void mouseExited(MouseEvent e) {
                lbToday.setFont(lbToday.getFont().deriveFont(Font.PLAIN, lbToday.getFont().getSize()));
            }

            @Override
            public void mouseClicked(MouseEvent e) {
                selectedDate = Calendar.getInstance();
                view(selectedDate);

                if (pickAtion != null) {
                    pickAtion.pick(selectedDate);
                }
            }
        });
        panel.add(lbToday);
        this.add(panel, BorderLayout.SOUTH);
    }

    private void setYearBarText(JLabel label, Calendar c) {
        label.setText(String.format("%d - %d", //
                c.get(Calendar.YEAR) - c.get(Calendar.YEAR) % 12 + 1,//
                c.get(Calendar.YEAR) - c.get(Calendar.YEAR) % 12 + 12));
    }

    private void putYearBar(final Calendar c) {
        stopWatch("Year Bar");

        JPanel panel = new JPanel(new BorderLayout());

        final JLabel lbPeriod = new JLabel();
        lbPeriod.setHorizontalAlignment(SwingConstants.CENTER);
        this.setYearBarText(lbPeriod, c);
        panel.add(lbPeriod, BorderLayout.CENTER);

        JButton btnLeft = this.leftArrow == null ? new JButton("<") : new JButton(this.leftArrow);
        btnLeft.setBorderPainted(false);
        btnLeft.setBorder(BorderFactory.createEmptyBorder());
        btnLeft.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                Calendar s = (Calendar) c.clone();
                s.add(Calendar.YEAR, -12);

                setYearBarText(lbPeriod, c);
                viewYear(s);
            }
        });
        panel.add(btnLeft, BorderLayout.WEST);

        JButton btnRight = this.rightArrow == null ? new JButton(">") : new JButton(this.rightArrow);
        btnRight.setBorderPainted(false);
        btnRight.setBorder(BorderFactory.createEmptyBorder());
        btnRight.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                Calendar s = (Calendar) c.clone();
                s.add(Calendar.YEAR, 12);

                setYearBarText(lbPeriod, c);
                viewYear(s);
            }
        });
        panel.add(btnRight, BorderLayout.EAST);

        this.add(panel, BorderLayout.NORTH);
    }

    private void setMonthBarText(JButton label, Calendar c) {
        label.setText(String.valueOf(c.get(Calendar.YEAR)));
    }

    private void putMonthBar(final Calendar c) {
        stopWatch("Month Bar");

        JPanel panel = new JPanel(new BorderLayout());

        final JButton btnPeriod = new JButton();
        btnPeriod.setHorizontalAlignment(SwingConstants.CENTER);
        btnPeriod.setBorder(BorderFactory.createEmptyBorder());
        btnPeriod.setBorderPainted(false);

        this.setMonthBarText(btnPeriod, c);
        btnPeriod.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                viewYear(c);
            }
        });
        btnPeriod.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseEntered(MouseEvent e) {
                btnPeriod.setFont(btnPeriod.getFont().deriveFont(Font.BOLD, btnPeriod.getFont().getSize()));
            }

            @Override
            public void mouseExited(MouseEvent e) {
                btnPeriod.setFont(btnPeriod.getFont().deriveFont(Font.PLAIN, btnPeriod.getFont().getSize()));
            }
        });
        panel.add(btnPeriod, BorderLayout.CENTER);

        JButton btnLeft = this.leftArrow == null ? new JButton("<") : new JButton(this.leftArrow);
        btnLeft.setBorderPainted(false);
        btnLeft.setBorder(BorderFactory.createEmptyBorder());
        btnLeft.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                Calendar s = (Calendar) c.clone();
                s.add(Calendar.YEAR, -1);

                setMonthBarText(btnPeriod, c);
                viewMonth(s);
            }
        });
        panel.add(btnLeft, BorderLayout.WEST);

        JButton btnRight = this.rightArrow == null ? new JButton(">") : new JButton(this.rightArrow);
        btnRight.setBorderPainted(false);
        btnRight.setBorder(BorderFactory.createEmptyBorder());
        btnRight.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                Calendar s = (Calendar) c.clone();
                s.add(Calendar.YEAR, 1);
                setMonthBarText(btnPeriod, c);

                viewMonth(s);
            }
        });
        panel.add(btnRight, BorderLayout.EAST);

        this.add(panel, BorderLayout.NORTH);
    }

    private void setDateBarText(JButton label, Calendar c) {
        label.setText(String.format("%s, %d", //
                c.getDisplayName(Calendar.MONTH, Calendar.LONG, loc),//
                c.get(Calendar.YEAR)));
    }

    private void putDateBar(final Calendar c) {
        stopWatch("Date Bar");

        JPanel panel = new JPanel(new BorderLayout());

        final JButton btnPeriod = new JButton();
        btnPeriod.setHorizontalAlignment(SwingConstants.CENTER);
        btnPeriod.setBorder(BorderFactory.createEmptyBorder());
        btnPeriod.setBorderPainted(false);

        this.setDateBarText(btnPeriod, c);
        btnPeriod.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                viewMonth(c);
            }
        });
        btnPeriod.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseEntered(MouseEvent e) {
                btnPeriod.setFont(btnPeriod.getFont().deriveFont(Font.BOLD, btnPeriod.getFont().getSize()));
            }

            @Override
            public void mouseExited(MouseEvent e) {
                btnPeriod.setFont(btnPeriod.getFont().deriveFont(Font.PLAIN, btnPeriod.getFont().getSize()));
            }
        });
        panel.add(btnPeriod, BorderLayout.CENTER);

        JButton btnLeft = this.leftArrow == null ? new JButton("<") : new JButton(this.leftArrow);
        btnLeft.setBorderPainted(false);
        btnLeft.setBorder(BorderFactory.createEmptyBorder());
        btnLeft.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                Calendar s = (Calendar) c.clone();
                s.add(Calendar.MONTH, -1);

                view(s);

                setDateBarText(btnPeriod, c);
            }
        });
        panel.add(btnLeft, BorderLayout.WEST);

        JButton btnRight = this.rightArrow == null ? new JButton(">") : new JButton(this.rightArrow);
        btnRight.setBorderPainted(false);
        btnRight.setBorder(BorderFactory.createEmptyBorder());
        btnRight.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                Calendar s = (Calendar) c.clone();
                s.add(Calendar.MONTH, 1);

                view(s);

                setDateBarText(btnPeriod, c);
            }
        });
        panel.add(btnRight, BorderLayout.EAST);

        this.add(panel, BorderLayout.NORTH);
    }

    private void putYearContent(Calendar c) {
        stopWatch("Year Bar");

        JPanel panel = new JPanel(new GridLayout(3, 4));

        Calendar s = (Calendar) c.clone();
        s.set(Calendar.YEAR, s.get(Calendar.YEAR) - s.get(Calendar.YEAR) % 12);
        for (int i = 0; i < 12; i++) {
            s.add(Calendar.YEAR, 1);
            panel.add(new YearCell(s, this.selectedDate));
        }

        this.add(panel, BorderLayout.CENTER);
    }

    private void putMonthContent(Calendar c) {
        stopWatch("Month Bar");

        JPanel panel = new JPanel(new GridLayout(3, 4));

        Calendar s = (Calendar) c.clone();
        for (int i = 0; i < 12; i++) {
            s.set(Calendar.MONTH, i);
            panel.add(new MonthCell(s, this.selectedDate));
        }

        this.add(panel, BorderLayout.CENTER);
    }

    private void putDateContent(Calendar c) {
        stopWatch("Date Content");

        JPanel panel = new JPanel(new GridBagLayout());
        Insets insets = new Insets(1, 1, 1, 1);
        this.putHeaders(panel, insets);

        int rows = this.getMonthRowsCount(c);
        Calendar d = this.getFirstDate(c);

        for (int y = 1; y < rows + 1; y++) {
            for (int x = 1; x < 8; x++) {
                panel.add(new DayCell(d, c, this.selectedDate), new GridBagConstraints(x, y, 1, 1, 0, 0, 10, 1, insets, 10, 0));
                d.add(Calendar.DATE, 1);
            }
        }

        this.add(panel, BorderLayout.CENTER);
    }

    private void viewYear(Calendar c) {
        this.clear();
        this.putYearContent(c);
        this.putYearBar(c);
        this.pack();
    }

    private void viewMonth(Calendar c) {
        this.clear();
        this.putMonthContent(c);
        this.putMonthBar(c);

        this.pack();
    }

    /**
     * 處理星期顯示格
     * 
     * @param panel
     * @param insets
     */
    private void putHeaders(JPanel panel, Insets insets) {
        if (this.dayDisplayNames == null) {
            Calendar s = Calendar.getInstance();
            s.set(Calendar.DAY_OF_WEEK, 1);

            Color c = null;
            for (int i = 0; i < 7; i++) {
                // 星期表示法
                String h = s.getDisplayName(Calendar.DAY_OF_WEEK, Calendar.SHORT, loc);
                s.add(Calendar.DATE, 1);
                if (loc == Locale.TAIWAN || loc == Locale.CHINA || loc == Locale.CHINESE || loc == Locale.SIMPLIFIED_CHINESE || loc == Locale.TRADITIONAL_CHINESE) {
                    h = h.substring(h.length() - 1);
                } else if (loc == Locale.JAPAN || loc == Locale.JAPANESE) {
                    h = h.substring(0, 1);
                } else {
                    h = h.substring(0, 3);
                }

                switch (i) {
                case 0:
                    c = Color.red;
                    break;
                case 6:
                    c = Color.BLUE;
                    break;
                default:
                    c = Color.BLACK;
                    break;
                }
                panel.add(this.createHeader(h, c), new GridBagConstraints(i + 1, 0, 1, 1, 0, 0, 10, 1, insets, 10, 0));
            }
        } else {
            String[] headers = Arrays.copyOf(this.dayDisplayNames, 7);
            Color c = null;
            for (int i = 0; i < 7; i++) {
                switch (i) {
                case 0:
                    c = Color.red;
                    break;
                case 6:
                    c = Color.BLUE;
                    break;
                default:
                    c = Color.BLACK;
                    break;
                }
                panel.add(this.createHeader(headers[i], c), new GridBagConstraints(i + 1, 0, 1, 1, 0, 0, 10, 1, insets, 10, 0));
            }
        }
    }

    /**
     * 星期
     * 
     * @param text
     * @param fontColor
     * @return
     */
    private JLabel createHeader(String text, Color fontColor) {
        JLabel l = new JLabel(text, SwingConstants.CENTER);
        l.setBorder(BorderFactory.createEtchedBorder());
        l.setOpaque(true);
        l.setBackground(Color.WHITE);
        l.setForeground(fontColor);
        return l;
    }

    /**
     * 計算月份的列數
     * 
     * @param c
     * @return
     */
    private int getMonthRowsCount(Calendar c) {
        Calendar s = (Calendar) c.clone();
        s.set(Calendar.DATE, 1);
        return (int) Math.ceil((s.get(Calendar.DAY_OF_WEEK) + s.getActualMaximum(Calendar.DAY_OF_MONTH) - 1) / 7.0);
    }

    /**
     * 計算顯示的第一個日期
     * 
     * @param c
     * @return
     */
    private Calendar getFirstDate(Calendar c) {
        Calendar s = (Calendar) c.clone();
        s.set(Calendar.DATE, 1);
        s.add(Calendar.DATE, -1 * (s.get(Calendar.DAY_OF_WEEK) - 1));
        return s;
    }

    /**
     * 清除
     */
    private void clear() {
        stopWatch("Clear");

        for (int i = this.getComponentCount() - 1; i > -1; i--) {
            this.remove(i);
        }

        this.putToday();
        System.gc();
    }

    /**
     * 重整大小
     */
    private void pack() {
        stopWatch("Pack");

        this.revalidate();
        // resize
        Container cc = this.getParent();
        while (cc != null) {
            if (cc instanceof Window) {
                ((Window) cc).pack();
                break;
            }
            cc = cc.getParent();
        }
    }

    /**
     * 測試時間
     * 
     * @param what
     */
    private void stopWatch(String what) {
        // test time execute
        // System.out.printf("%2$s : %1$tY/%1$tm/%1$td %1$tH:%1$tM:%1$tS %1$tL%n",
        // new Date(), what);
    }

    /**
     * 選取日期的觸發動作
     * 
     * @param pick
     */
    public void setDateSelected(PickDate pick) {
        this.pickAtion = pick;
    }

    /**
     * 目前選取日期
     * 
     * @return
     */
    public Calendar getSelectedCalendar() {
        return (Calendar) this.selectedDate.clone();
    }

    /**
     * 設定選取的日期
     * 
     * @param c
     */
    public void setSelectedCalendar(Calendar c) {
        this.selectedDate = c;
    }

    /**
     * 取得星期的顯示名稱
     * 
     * @return
     */
    public String[] getDayNames() {
        return this.dayDisplayNames;
    }

    /**
     * 設定星期的顯示名稱
     * 
     * @param names
     */
    public void setDayName(String[] names) {
        this.dayDisplayNames = names;
        this.view(this.selectedDate);
    }

    /**
     * 設定今天的顯示格式
     * 
     * @param format
     */
    public void setTodayFormat(String format) {
        this.format = format;
        this.putToday();
    }

    public String getTodayFormat() {
        return this.format;
    }

    public void setUILocale(Locale l) {
        this.loc = l;
        this.view(this.selectedDate);
    }

    public Locale getUILocale() {
        return this.loc;
    }

    public void setLeftArrow(Icon icon) {
        this.leftArrow = icon;
        this.view(this.selectedDate);
    }

    public void setRightArrow(Icon icon) {
        this.rightArrow = icon;
        this.view(this.selectedDate);
    }

    /**
     * 顯示選擇的日期
     * 
     * @param c
     */
    public void view(Calendar c) {
        // claer
        this.clear();

        this.putDateBar(c);
        this.putDateContent(c);

        this.pack();
    }

    /**
     * 顯示今天的日期
     */
    public void view() {
        this.view(Calendar.getInstance());
    }
}

Table cell tooltip text

import java.awt.Component;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.util.Vector;

import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellRenderer;

public class TableCellToolTips extends JPanel {

    JTable table1;
    JTable table2;

    public TableCellToolTips() {
        // TODO Auto-generated constructor stub
        this.setLayout(new GridBagLayout());

        this.initTable1();
        this.initTable2();

        JScrollPane s1 = new JScrollPane(this.table1);
        JScrollPane s2 = new JScrollPane(this.table2);
        s1.setBorder(BorderFactory.createTitledBorder("Table 1: override prepareRenderer"));
        s2.setBorder(BorderFactory.createTitledBorder("Table 2: add mouse move event handler"));
        s1.setPreferredSize(new Dimension(600, 200));
        s2.setPreferredSize(new Dimension(600, 200));

        this.add(s1, new GridBagConstraints(0, 0, 1, 1, 1, 1, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(5, 5, 5, 5), 0, 0));
        this.add(s2, new GridBagConstraints(0, 1, 1, 1, 1, 1, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(5, 5, 5, 5), 0, 0));
    }

    void initTable1() {
        DefaultTableModel model = new DefaultTableModel();
        this.table1 = new JTable(model) {
            @Override
            public Component prepareRenderer(TableCellRenderer renderer, int row, int column) {
                Component c = super.prepareRenderer(renderer, row, column);
                if (c instanceof JComponent) {
                    JComponent jc = (JComponent) c;
                    jc.setToolTipText(String.valueOf(getValueAt(row, column)));
                }
                return c;
            }
        };

        this.initColumn(model);
        this.initData(model);

    }

    void initTable2() {
        DefaultTableModel model = new DefaultTableModel();
        this.table2 = new JTable(model);
        this.table2.addMouseMotionListener(new MouseMotionAdapter() {
            public void mouseMoved(MouseEvent e) {
                Point p = e.getPoint();
                int row = table2.rowAtPoint(p);
                int column = table2.columnAtPoint(p);
                table2.setToolTipText(String.valueOf(table2.getValueAt(row, column)));
            }
        });

        this.initColumn(model);
        this.initData(model);
    }

    void initColumn(DefaultTableModel model) {
        model.addColumn("x");
        model.addColumn("1");
        model.addColumn("2");
        model.addColumn("3");
        model.addColumn("4");
        model.addColumn("5");
        model.addColumn("6");
        model.addColumn("7");
        model.addColumn("8");
        model.addColumn("9");
    }

    void initData(DefaultTableModel model) {
        model.getDataVector().removeAllElements();
        for (int i = 1; i < 10; i++) {
            Vector<Object> row = new Vector<Object>();
            row.add(i);
            for (int j = 1; j < 10; j++) {
                row.add(String.format("%d x %d = %d", i, j, i * j));
            }
            model.addRow(row);
        }
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (ClassNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (InstantiationException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (UnsupportedLookAndFeelException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setTitle("Table Cell ToolTips");

        frame.setContentPane(new TableCellToolTips());
        frame.pack();

        Dimension sc = Toolkit.getDefaultToolkit().getScreenSize();
        frame.setLocation((sc.width - frame.getWidth()) / 2, (sc.height - frame.getHeight()) / 2);
        frame.setVisible(true);
    }

}

SwiXml - JTextBox (Customized JTextField)

LimitedDocument.java

package swixml.sample;

import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.PlainDocument;

public class LimitedDocument extends PlainDocument {
    private int limit;

    public LimitedDocument(int limit) {
        super();
        this.limit = limit;
    }

    @Override
    public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
        if (limit == 0 || getLength() + str.length() <= limit) {
            super.insertString(offs, str, a);
        }
    }
}

JTextBox.java

package swixml.sample;

import javax.swing.JTextField;
import javax.swing.text.Document;
import javax.swing.text.PlainDocument;

public class JTextBox extends JTextField {

    // input max length
    private int maxLength;

    public JTextBox() {
        super();
    }

    public JTextBox(int columns) {
        super(columns);
    }

    public JTextBox(String text) {
        super(text);
    }

    public JTextBox(String text, int columns) {
        super(text, columns);
    }

    public JTextBox(Document doc, String text, int columns) {
        super(doc, text, columns);
    }

    public void setLimit(int maxLenth) {
        this.maxLength = maxLenth;
        if (maxLenth > 0) {
            this.setDocument(new LimitedDocument(maxLenth));
        } else {
            this.setDocument(new PlainDocument());
        }
    }

    public int getLimit() {
        return this.maxLength;
    }
}

JTextBoxPane.xml

<?xml version="1.0" encoding="UTF-8"?>
<panel layout="FlowLayout">
    <textbox text="aa" columns="20" limit="10" />
</panel>

JTextBoxPane.java

package swixml.sample;

import java.awt.Dimension;
import java.awt.Toolkit;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;

import org.swixml.SwingEngine;

public class JTextBoxPane extends JPanel {

    public JTextBoxPane() {
        // TODO Auto-generated constructor stub
        try {
            SwingEngine se = new SwingEngine(this);
            se.getTaglib().registerTag("TextBox", JTextBox.class);
            new SwingEngine(this).insert("swixml/sample/JTextBoxPane.xml", this);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (ClassNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (InstantiationException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (UnsupportedLookAndFeelException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setTitle("SwiXML - JTextBox");

        frame.setContentPane(new JTextBoxPane());
        frame.pack();

        Dimension sc = Toolkit.getDefaultToolkit().getScreenSize();
        frame.setLocation((sc.width - frame.getWidth()) / 2, (sc.height - frame.getHeight()) / 2);
        frame.setVisible(true);
    }
}

Limit input length of JTextField

package swixml.sample;

import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Toolkit;

import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.PlainDocument;

public class LimitedTextField extends JFrame {

    public LimitedTextField() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setTitle("Limit input length of JTextField");

        setLayout(new FlowLayout());

        // add a JTextField limit up to 10 chars
        add(new JTextField(new LimitedDocument(10), null, 20));

        pack();

        Dimension sc = Toolkit.getDefaultToolkit().getScreenSize();
        setLocation((sc.width - getWidth()) / 2, (sc.height - getHeight()) / 2);
        setVisible(true);
    }

    public static void main(String[] args) {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (ClassNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (InstantiationException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (UnsupportedLookAndFeelException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        new LimitedTextField();
    }

}

class LimitedDocument extends PlainDocument {
    private int limit;

    public LimitedDocument(int limit) {
        super();
        this.limit = limit;
    }

    @Override
    public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
        if (limit == 0 || getLength() + str.length() <= limit) {
            super.insertString(offs, str, a);
        }
    }
}