📄 jdatepicker.java
字号:
textComponent.setText(strDate.substring(0, 8) +
"01");
textComponent.setCaretPosition(iCaretPosition + 1);
}
return (intD <= 29 && intD > 0);
}
else {
//如果输入大于28,则修改为28
if (intD > 28) {
textComponent.setText(strDate.substring(0, 8) +
"28");
textComponent.setCaretPosition(iCaretPosition + 1);
}
if (intD < 1) {
textComponent.setText(strDate.substring(0, 8) +
"01");
textComponent.setCaretPosition(iCaretPosition + 1);
}
return (intD <= 28 && intD > 0);
}
//默认返回假
default:
return false;
}
}
public static String getCurrentDate() {
return (new java.text.SimpleDateFormat("yyyy-MM-dd")).format(new
java.util.Date());
}
}
/**
* <p>Title: JDatePicker</p>
* <p>Description: DatePopup 选择框弹出的日期选择面板</p>
* <p>Copyright: Copyright (c) 2004</p>
* <p>Company: </p>
* @author <a href="mailto:sunkingxie@hotmail.com"'>Sunking</a>
* @version 1.0
*/
class DatePopup
extends BasicComboPopup {
protected Calendar calendar;
protected JLabel monthLabel;
protected JPanel days = null;
protected Color selectedBackground;
protected Color selectedForeground;
protected Color background;
protected Color foreground;
ImageIcon todayIcon;
public DatePopup(JComboBox box) {
super(box);
todayIcon = OpenSwingUtil.getOpenSwingImage("today.gif",
new ImageIcon());
calendar = Calendar.getInstance();
background = UIManager.getColor("ComboBox.background");
foreground = UIManager.getColor("ComboBox.foreground");
selectedBackground = UIManager.getColor(
"ComboBox.selectionBackground");
selectedForeground = UIManager.getColor(
"ComboBox.selectionForeground");
initializePopup();
}
/**
* 初始化弹出面板
*/
protected void initializePopup() {
// << < 9999/99/99 > >>
JPanel header = new JPanel();
header.setLayout(new BoxLayout(header, BoxLayout.X_AXIS));
header.setBackground(new Color(0, 0, 128));
header.setForeground(Color.white);
header.setPreferredSize(new Dimension(1, 25));
JLabel label;
label = createUpdateButton(Calendar.YEAR, -1);
label.setText("<<");
header.add(Box.createHorizontalStrut(12));
header.add(label);
header.add(Box.createHorizontalStrut(12));
label = createUpdateButton(Calendar.MONTH, -1);
label.setText("< ");
header.add(label);
monthLabel = new JLabel("", JLabel.CENTER);
monthLabel.setBackground(new Color(0, 0, 128));
monthLabel.setForeground(Color.white);
header.add(Box.createHorizontalGlue());
header.add(monthLabel);
header.add(Box.createHorizontalGlue());
label = createUpdateButton(Calendar.MONTH, 1);
label.setText(" >");
header.add(label);
label = createUpdateButton(Calendar.YEAR, 1);
label.setText(">>");
header.add(Box.createHorizontalStrut(12));
header.add(label);
header.add(Box.createHorizontalStrut(12));
//星期日 星期一 星期二 星期三 星期四 星期五 星期六
JPanel pWeeks = new JPanel(new GridLayout(0, 7));
pWeeks.setBackground(background);
pWeeks.setOpaque(true);
DateFormatSymbols sy = new DateFormatSymbols(Locale.getDefault());
String strWeeks[] = sy.getShortWeekdays();
for (int i = 1; i <= 7; i++) {
label = new JLabel();
label.setHorizontalAlignment(JLabel.CENTER);
label.setForeground(foreground);
label.setText(strWeeks[i]);
pWeeks.add(label);
}
//中间放日期的面板
days = new JPanel(new GridLayout(0, 7));
days.setBorder(new TopBottomLineBorder(Color.black));
days.setBackground(background);
days.setOpaque(true);
JPanel pCenter = new JPanel(new BorderLayout());
pCenter.setBackground(background);
pCenter.setOpaque(true);
pCenter.add(pWeeks, BorderLayout.NORTH);
pCenter.add(days, BorderLayout.CENTER);
//显示今天的日期,直接单击图标跳到今天
JLabel lbToday = new JDayLable(new Date(), "Today:"
+ dateFormat.format(new Date()));
lbToday.setIcon(todayIcon);
lbToday.setHorizontalAlignment(JLabel.LEFT);
JPanel pSouth = new JPanel(new BorderLayout());
pSouth.setBackground(background);
pSouth.setForeground(foreground);
pSouth.add(lbToday, BorderLayout.CENTER);
setForeground(foreground);
setBackground(background);
setBorder(BorderFactory.createLineBorder(Color.black));
setLayout(new BorderLayout());
removeAll();
add(BorderLayout.NORTH, header);
add(BorderLayout.CENTER, pCenter);
add(BorderLayout.SOUTH, pSouth);
}
/**
* 显示弹出面板
*/
public void show() {
updatePopup();
super.show();
}
/**
* 创建上一月,下一月,上一年,下一年"按钮"
* @param field int
* @param amount int
* @return JLabel
*/
protected JLabel createUpdateButton(final int field, final int amount) {
final JLabel label = new JLabel();
final Border selectedBorder = new LineBorder(Color.black);
final Border unselectedBorder = new EmptyBorder(selectedBorder.
getBorderInsets(new JLabel()));
label.setBorder(unselectedBorder);
label.setBackground(new Color(0, 0, 128));
label.setForeground(Color.white);
label.setRequestFocusEnabled(false);
label.addMouseListener(new MouseAdapter() {
public void mouseReleased(MouseEvent e) {
calendar.add(field, amount);
updatePopup();
}
public void mouseEntered(MouseEvent e) {
label.setBorder(selectedBorder);
}
public void mouseExited(MouseEvent e) {
label.setBorder(unselectedBorder);
}
});
return label;
}
/**
* 更新日期
*/
protected void updatePopup() {
monthLabel.setText(monthFormat.format(calendar.getTime()));
days.removeAll();
Calendar setupCalendar = (Calendar) calendar.clone();
setupCalendar.set(Calendar.DAY_OF_MONTH, 1);
int first = setupCalendar.get(Calendar.DAY_OF_WEEK);
/**
1 2 3 4 5 6 7
2 3 4 5 6 7 8 9 10 11 12 13
8 9 10 11 12 13 14 15 16 17 18 19
14 15 16 17 18 19 20 21 22 23 24 25
20 21 22 23 24 25 26 27 28 29 30 31
26 27 28 29 30 31
*/
setupCalendar.add(Calendar.DATE, -first);
int flag = 0;
for (int i = 0; i < 42; i++) {
setupCalendar.add(Calendar.DATE, 1);
String txt = dayFormat.format(setupCalendar.getTime());
JLabel label = new JDayLable(setupCalendar.getTime(), txt);
days.add(label);
if (txt.equals("1")) {
flag++;
}
if (flag != 1) {
label.setEnabled(false);
}
}
days.repaint();
pack();
}
/**
* <p>Title: OpenSwing</p>
* <p>Description: TopBottomLineBorder只带上下两条线的边界Border</p>
* <p>Copyright: Copyright (c) 2004</p>
* <p>Company: </p>
* @author <a href="mailto:sunkingxie@hotmail.com">SunKing</a>
* @version 1.0
*/
class TopBottomLineBorder
extends AbstractBorder {
private Color lineColor;
public TopBottomLineBorder(Color color) {
lineColor = color;
}
public void paintBorder(Component c, Graphics g, int x, int y,
int width, int height) {
g.setColor(lineColor);
g.drawLine(0, 0, c.getWidth(), 0);
g.drawLine(0, c.getHeight() - 1, c.getWidth(),
c.getHeight() - 1);
}
}
/**
* <p>Title: JDatePicker</p>
* <p>Description:JDayLable 带选取日期功能的JLabel </p>
* <p>Copyright: Copyright (c) 2004</p>
* <p>Company: </p>
* @author <a href="mailto:sunkingxie@hotmail.com"'>Sunking</a>
* @version 1.0
*/
class JDayLable
extends JLabel
implements MouseListener {
Date date;
Image img;
boolean isToday = false;
public JDayLable(Date date, String text) {
setHorizontalAlignment(JLabel.CENTER);
setForeground(foreground);
setPreferredSize(new Dimension(40, 20));
setToolTipText(dateFormat.format(date));
addMouseListener(this);
this.date = date;
setText(text);
Date d = new Date();
isToday = (text.length() < 3) &&
dateFormat.format(date).equals(dateFormat.format(d));
if (calendar.getTime().equals(date)) {
setBorder(new LineBorder(selectedBackground, 1));
}
}
public void mousePressed(MouseEvent e) {}
public void mouseClicked(MouseEvent e) {}
public void mouseReleased(MouseEvent e) {
if (isEnabled()) {
setOpaque(false);
setBackground(background);
setForeground(foreground);
}
calendar.setTime(date);
if (comboBox.isEditable() && comboBox.getEditor() != null) {
comboBox.configureEditor(comboBox.getEditor(),
dateFormat.format(calendar.getTime()));
}
comboBox.setSelectedItem(dateFormat.format(calendar.getTime()));
comboBox.setPopupVisible(false);
}
public void mouseEntered(MouseEvent e) {
if (isEnabled()) {
setOpaque(true);
setBackground(selectedBackground);
setForeground(selectedForeground);
}
}
public void mouseExited(MouseEvent e) {
if (isEnabled()) {
setOpaque(false);
setBackground(background);
setForeground(foreground);
}
}
public void paint(Graphics g) {
super.paint(g);
if (isToday && todayIcon != null && isEnabled()) {
int x = (this.getWidth() - todayIcon.getIconWidth()) / 2;
int y = (this.getHeight() - todayIcon.getIconHeight()) / 2;
todayIcon.paintIcon(this, g, x, y);
}
}
}
}
/**
* 测试JDatePicker
*/
public static void main(String args[]) {
try {
// UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
// UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
// UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel");
Font font = new Font("SimSun", Font.PLAIN, 12);
java.util.Enumeration keys = UIManager.getLookAndFeelDefaults().
keys();
while (keys.hasMoreElements()) {
Object key = keys.nextElement();
if (UIManager.get(key) instanceof Font) {
UIManager.put(key, font);
}
}
}
catch (Exception e) {
e.printStackTrace();
}
JFrame f = new JFrame("JDatePicker Demo");
JPanel c = new JPanel();
c.add(new JLabel("From:"));
JDatePicker datePickerFrom = new JDatePicker();
c.add(datePickerFrom);
c.add(new JLabel("To:"));
JDatePicker datePickerTo = new JDatePicker();
datePickerTo.setEditable(false);
c.add(datePickerTo);
f.getContentPane().add(c, BorderLayout.NORTH);
f.getContentPane().add(new JDatePicker(), BorderLayout.SOUTH);
final JTable table = new JTable(20, 10);
JComboBox editor = new JDatePicker();
editor.setBorder(null);
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
table.setDefaultEditor(Object.class, new DefaultCellEditor(editor));
JScrollPane sp = new JScrollPane(table);
f.getContentPane().add(sp, BorderLayout.CENTER);
f.setSize(600, 400);
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
f.setLocation( (screenSize.width - f.getWidth()) / 2,
(screenSize.height - f.getHeight()) / 2);
// frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.show();
}
}
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