package dateapp;
import java.util.Date;
import java.util.Calendar;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.text.ParseException;
import java.awt.Color;
import java.awt.Font;
import java.awt.Point;
import java.awt.Dimension;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Component;
import java.awt.Cursor;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
//import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JSpinner;
import javax.swing.JSpinner.NumberEditor;
import javax.swing.SpinnerNumberModel;
import javax.swing.SwingUtilities;
import javax.swing.SwingConstants;
import javax.swing.event.ChangeListener;
import javax.swing.event.ChangeEvent;
import javax.swing.border.LineBorder;
public class DateChooseJButton extends JButton {
private DateChooser dateChooser = null;
private String preLabel = "";
public DateChooseJButton() {
this(getNowDate());
}
public DateChooseJButton(SimpleDateFormat df, String dateString) {
this();
setText(df, dateString);
}
public DateChooseJButton(Date date) {
this("", date);
}
public DateChooseJButton(String preLabel, Date date) {
if (preLabel != null)
this.preLabel = preLabel;
setDate(date);
setBorder(null);
setCursor(new Cursor(Cursor.HAND_CURSOR));
super.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (dateChooser == null)
dateChooser = new DateChooser();
Point p = getLocationOnScreen();
p.y = p.y + 30;
dateChooser.showDateChooser(p);
}
});
}
private static Date getNowDate() {
return Calendar.getInstance().getTime();
}
private static SimpleDateFormat getDefaultDateFormat() {
return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
}
// 覆蓋父類的方法
public void setText(String s) {
Date date;
try {
date = getDefaultDateFormat().parse(s);
} catch (ParseException e) {
date = getNowDate();
}
setDate(date);
}
public void setText(SimpleDateFormat df, String s) {
Date date;
try {
date = df.parse(s);
} catch (ParseException e) {
date = getNowDate();
}
setDate(date);
}
public void setDate(Date date) {
super.setText(preLabel + getDefaultDateFormat().format(date));
}
public Date getDate() {
String dateString = getText().substring(preLabel.length());
try {
return getDefaultDateFormat().parse(dateString);
} catch (ParseException e) {
return getNowDate();
}
}
// 覆蓋父類的方法使之無效
public void addActionListener(ActionListener listener) {
}
private class DateChooser extends JPanel implements ActionListener,
ChangeListener {
int startYear = 1980; // 默認【最小】顯示年份
int lastYear = 2050; // 默認【最大】顯示年份
int width = 400; // 界面寬度
int height = 200; // 界面高度
Color backGroundColor = Color.gray; // 底色
// 月歷表格配色----------------//
Color palletTableColor = Color.white; // 日歷表底色
Color todayBackColor = Color.orange; // 今天背景色
Color weekFontColor = Color.blue; // 星期文字色
Color dateFontColor = Color.black; // 日期文字色
Color weekendFontColor = Color.red; // 周末文字色
// 控制條配色------------------//
Color controlLineColor = Color.pink; // 控制條底色
Color controlTextColor = Color.white; // 控制條標簽文字色
Color rbFontColor = Color.white; // RoundBox文字色
Color rbBorderColor = Color.red; // RoundBox邊框色
Color rbButtonColor = Color.pink; // RoundBox按鈕色
Color rbBtFontColor = Color.red; // RoundBox按鈕文字色
JDialog dialog;
JSpinner yearSpin;
JSpinner monthSpin;
JSpinner hourSpin;
JComboBox minSpin;
JComboBox secondBox;
JButton[][] daysButton = new JButton[6][7];
DateChooser() {
setLayout(new BorderLayout());
setBorder(new LineBorder(backGroundColor, 2));
setBackground(backGroundColor);
JPanel topYearAndMonth = createYearAndMonthPanal();
add(topYearAndMonth, BorderLayout.NORTH);
JPanel centerWeekAndDay = createWeekAndDayPanal();
add(centerWeekAndDay, BorderLayout.CENTER);
}
private JPanel createYearAndMonthPanal() {
Calendar c = getCalendar();
int currentYear = c.get(Calendar.YEAR);
int currentMonth = c.get(Calendar.MONTH) + 1;
int currentHour = c.get(Calendar.HOUR_OF_DAY);
int currentMin = c.get(Calendar.MINUTE);
int currentSecond = c.get(Calendar.SECOND);
JPanel result = new JPanel();
result.setLayout(new FlowLayout());
result.setBackground(controlLineColor);
yearSpin = new JSpinner(new SpinnerNumberModel(currentYear,
startYear, lastYear, 1));
yearSpin.setPreferredSize(new Dimension(48, 20));
yearSpin.setName("Year");
yearSpin.setEditor(new JSpinner.NumberEditor(yearSpin, "####"));
yearSpin.addChangeListener(this);
result.add(yearSpin);
JLabel yearLabel = new JLabel("年");
yearLabel.setForeground(controlTextColor);
result.add(yearLabel);
monthSpin = new JSpinner(new SpinnerNumberModel(currentMonth, 1,
12, 1));
monthSpin.setPreferredSize(new Dimension(35, 20));
monthSpin.setName("Month");
monthSpin.addChangeListener(this);
result.add(monthSpin);
JLabel monthLabel = new JLabel("月");
monthLabel.setForeground(controlTextColor);
result.add(monthLabel);
hourSpin = new JSpinner(new SpinnerNumberModel(currentHour, 0, 23,
1));
hourSpin.setPreferredSize(new Dimension(35, 20));
hourSpin.setName("Hour");
hourSpin.addChangeListener(this);
result.add(hourSpin);
JLabel hourLabel = new JLabel("時");
hourLabel.setForeground(controlTextColor);
result.add(hourLabel);
minSpin = new JComboBox();
;
addComboBoxItem(minSpin);
minSpin.setPreferredSize(new Dimension(45, 20));
minSpin.setName("Min");
minSpin.addItemListener(new java.awt.event.ItemListener() {
public void itemStateChanged(java.awt.event.ItemEvent e) {
JComboBox source = (JComboBox) e.getSource();
Calendar c = getCalendar();
if (source.getName().equals("Min")) {
c.set(Calendar.MINUTE, getSelectedMin());
setDate(c.getTime());
return;
}
}
});
result.add(minSpin);
JLabel minLabel = new JLabel("分");
hourLabel.setForeground(controlTextColor);
result.add(minLabel);
secondBox = new JComboBox();
addComboBoxItem(secondBox);
secondBox.setPreferredSize(new Dimension(45, 20));
secondBox.setName("Second");
// secondBox.addActionListener(this) ;
secondBox.addItemListener(new java.awt.event.ItemListener() {
public void itemStateChanged(java.awt.event.ItemEvent e) {
JComboBox source = (JComboBox) e.getSource();
Calendar c = getCalendar();
if (source.getName().equals("Second")) {
c.set(Calendar.SECOND, getSelectedSecond());
setDate(c.getTime());
return;
}
}
});
result.add(secondBox);
JLabel secondLabel = new JLabel("秒");
hourLabel.setForeground(controlTextColor);
result.add(secondLabel);
return result;
}
private void addComboBoxItem(JComboBox comboBox) {
for (int i = 0; i < 60; i++) {
comboBox.addItem(i);
}
}
private JPanel createWeekAndDayPanal() {
String colname[] = { "日", "一", "二", "三", "四", "五", "六" };
JPanel result = new JPanel();
// 設置固定字體，以免調用環境改變影響界面美觀
result.setFont(new Font("宋體", Font.PLAIN, 12));
result.setLayout(new GridLayout(7, 7));
result.setBackground(Color.white);
JLabel cell;
for (int i = 0; i < 7; i++) {
cell = new JLabel(colname[i]);
cell.setHorizontalAlignment(JLabel.RIGHT);
if (i == 0 || i == 6)
cell.setForeground(weekendFontColor);
else
cell.setForeground(weekFontColor);
result.add(cell);
}
int actionCommandId = 0;
for (int i = 0; i < 6; i++)
for (int j = 0; j < 7; j++) {
JButton numberButton = new JButton();
numberButton.setBorder(null);
numberButton.setHorizontalAlignment(SwingConstants.RIGHT);
numberButton.setActionCommand(String
.valueOf(actionCommandId));
numberButton.addActionListener(this);
numberButton.setBackground(palletTableColor);
numberButton.setForeground(dateFontColor);
if (j == 0 || j == 6)
numberButton.setForeground(weekendFontColor);
else
numberButton.setForeground(dateFontColor);
daysButton[i][j] = numberButton;
result.add(numberButton);
actionCommandId++;
}
return result;
}
private JDialog createDialog(Frame owner) {
JDialog result = new JDialog(owner, "日期時間選擇", true);
result.setDefaultCloseOperation(JDialog.HIDE_ON_CLOSE);
result.getContentPane().add(this, BorderLayout.CENTER);
result.pack();
result.setSize(width, height);
return result;
}
void showDateChooser(Point position) {
Frame owner = (Frame) SwingUtilities
.getWindowAncestor(DateChooseJButton.this);
if (dialog == null || dialog.getOwner() != owner)
dialog = createDialog(owner);
dialog.setLocation(getAppropriateLocation(owner, position));
flushWeekAndDay();
dialog.show();
}
Point getAppropriateLocation(Frame owner, Point position) {
Point result = new Point(position);
Point p = owner.getLocation();
int offsetX = (position.x + width) - (p.x + owner.getWidth());
int offsetY = (position.y + height) - (p.y + owner.getHeight());
if (offsetX > 0) {
result.x -= offsetX;
}
if (offsetY > 0) {
result.y -= offsetY;
}
return result;
}
private Calendar getCalendar() {
Calendar result = Calendar.getInstance();
result.setTime(getDate());
return result;
}
private int getSelectedYear() {
return ((Integer) yearSpin.getValue()).intValue();
}
private int getSelectedMonth() {
return ((Integer) monthSpin.getValue()).intValue();
}
private int getSelectedHour() {
return ((Integer) hourSpin.getValue()).intValue();
}
private int getSelectedMin() {
return (Integer) this.minSpin.getSelectedItem();
}
private int getSelectedSecond() {
return (Integer) this.secondBox.getSelectedItem();
}
private void dayColorUpdate(boolean isOldDay) {
Calendar c = getCalendar();
int day = c.get(Calendar.DAY_OF_MONTH);
c.set(Calendar.DAY_OF_MONTH, 1);
int actionCommandId = day - 2 + c.get(Calendar.DAY_OF_WEEK);
int i = actionCommandId / 7;
int j = actionCommandId % 7;
if (isOldDay)
daysButton[i][j].setForeground(dateFontColor);
else
daysButton[i][j].setForeground(todayBackColor);
}
private void flushWeekAndDay() {
Calendar c = getCalendar();
c.set(Calendar.DAY_OF_MONTH, 1);
int maxDayNo = c.getActualMaximum(Calendar.DAY_OF_MONTH);
int dayNo = 2 - c.get(Calendar.DAY_OF_WEEK);
for (int i = 0; i < 6; i++) {
for (int j = 0; j < 7; j++) {
String s = "";
if (dayNo >= 1 && dayNo <= maxDayNo)
s = String.valueOf(dayNo);
daysButton[i][j].setText(s);
dayNo++;
}
}
dayColorUpdate(false);
}
public void stateChanged(ChangeEvent e) {
JSpinner source = (JSpinner) e.getSource();
Calendar c = getCalendar();
if (source.getName().equals("Hour")) {
c.set(Calendar.HOUR_OF_DAY, getSelectedHour());
setDate(c.getTime());
return;
}
dayColorUpdate(true);
if (source.getName().equals("Year"))
c.set(Calendar.YEAR, getSelectedYear());
else
// (source.getName().equals("Month"))
c.set(Calendar.MONTH, getSelectedMonth() - 1);
setDate(c.getTime());
flushWeekAndDay();
}
public void actionPerformed(ActionEvent e) {
JButton source = (JButton) e.getSource();
if (source.getText().length() == 0)
return;
dayColorUpdate(true);
source.setForeground(todayBackColor);
int newDay = Integer.parseInt(source.getText());
Calendar c = getCalendar();
c.set(Calendar.DAY_OF_MONTH, newDay);
setDate(c.getTime());
}
}
public static void main(String[] args){
new JButton();
}
}
上述日期控件繼承JButton，使用時只要構造出來JButton對象就行了。