java写的日历控件

 下面是自己写的日历控件，在开发中可以当做一个插件来用。该插件共包括：

CalendarPop.java//日历控件主类

ActionButtonListener.java//监听动作按钮的监听器

DayClickListener.java//监听DayPanel的点击事件监听器1

DayCompCreateListener.java//监听DyPanel创建的监听器

DayPanel.java//表示一天的控件

最终效果图如下：

下面贴出代码：

CalendarPop.java

package com.mengke.j2se.util;import java.awt.BorderLayout;import java.awt.Color;import java.awt.Dimension;import java.awt.Font;import java.awt.Graphics;import java.awt.GridBagConstraints;import java.awt.GridBagLayout;import java.awt.GridLayout;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.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Calendar;import java.util.List;import javax.swing.BorderFactory;import javax.swing.JButton;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JPopupMenu;import javax.swing.SwingConstants;import javax.swing.plaf.basic.BasicArrowButton;/** *@author 梦科 email:wqjsir@foxmail.com *@version 创建时间：2010-12-6 下午05:21:44 * @类描述： * 如果外部程序不显示的调用public void updateDate(Calendar calendar)方法， * 则初始构建日历面板将采用当前日历对象，且首先显示的面板不会分发日期对象创建事件DayCompCreateListener。 * 如果要在首次显示日历面板时能分发DayCompCreateListener事件，则要求外部程序在添加监听之后再显示的调用updateDate（Calendar calendar）方法。 */public class CalendarPop extends JPopupMenu{//主面板，包括顶部的操作按钮面板、中间的日历面板、底部的信息面板private JPanel mainPanel;//顶部按钮的动作面板private ActionPanel actionPanel;// 日历面板private JPanel calendarPanel; //底部信息面板private JPanel bottomPanel;//添加到底部面板的标签对象，用来呈现底部面板的信息private JLabel bottomInfo;//日历面板的网格布局对象private GridLayout gridLayout;//简单的日期格式化，用户底部显示日期信息private static SimpleDateFormat sipleDF = new SimpleDateFormat("EEE,yyyy-MM-dd");//简单的日期格式化，用户顶部显示当前的年月日期static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM");private List<DayClickListener> listeners = new ArrayList<DayClickListener>();private List<DayCompCreateListener> createListeners = new ArrayList<DayCompCreateListener>();private List<ActionButtonListener> actiOnListeners= new ArrayList<ActionButtonListener>();public CalendarPop() {gridLayout = new GridLayout(0, 7, 3, 3);//setPreferredSize(new Dimension(170,210));calendarPanel = new JPanel(gridLayout);calendarPanel.setBorder(BorderFactory.createMatteBorder(0, 0, 1, 0, Color.white));calendarPanel.setOpaque(false);bottomInfo = new JLabel("",JLabel.CENTER);bottomInfo.setFont(new Font(Font.SERIF,Font.PLAIN,15));bottomPanel = new JPanel(new BorderLayout());bottomPanel.setPreferredSize(new Dimension(100,25));bottomPanel.setMinimumSize(new Dimension(100,30));bottomPanel.setMaximumSize(new Dimension(100,30));bottomInfo.setBorder(BorderFactory.createMatteBorder(1, 0, 0, 0, Color.LIGHT_GRAY));bottomPanel.add(bottomInfo,BorderLayout.CENTER);bottomPanel.setOpaque(false);actiOnPanel= new ActionPanel();JPanel centerPanel = new JPanel(new GridBagLayout());centerPanel.setOpaque(false);centerPanel.add(buildWeekDayPanel(), new GridBagConstraints(0, 0, 1, 1, 0, 0, GridBagConstraints.CENTER,GridBagConstraints.NONE, new Insets(0, 2, 0, 0), 0, 0));centerPanel.add(calendarPanel, new GridBagConstraints(0, 1, 1, 1, 0, 0, GridBagConstraints.CENTER,GridBagConstraints.NONE, new Insets(0, 2, 0, 0), 0, 0));centerPanel.add(new JLabel(), new GridBagConstraints(0, 1, 1, 1, 1, 1, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));centerPanel.setPreferredSize(new Dimension(160,160));centerPanel.setMinimumSize(new Dimension(160,160));centerPanel.setMaximumSize(new Dimension(160,160));mainPanel = new JPanel(new GridBagLayout());mainPanel.add(actionPanel, new GridBagConstraints(0, 0, 1, 1, 0, 0, GridBagConstraints.CENTER,GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));mainPanel.add(centerPanel, new GridBagConstraints(0, 1, 1, 1, 0, 0, GridBagConstraints.CENTER,GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));mainPanel.add(bottomPanel, new GridBagConstraints(0, 2, 1, 1,1, 0, GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL, new Insets(0, 0, 0, 0), 0, 0));//初始化采用当前日期Calendar initCalendar =Calendar.getInstance();buildCalendarPanel(initCalendar.get(Calendar.YEAR), initCalendar.get(Calendar.MONTH));setLayout(new GridBagLayout());add(mainPanel, new GridBagConstraints(0, 1, 1, 1, 0, 0, GridBagConstraints.CENTER, GridBagConstraints.NONE,new Insets(0, 0, 0, 0), 0, 0));}/** * 构建星期标识标签 * @return */private JPanel buildWeekDayPanel() {JPanel weekDayPanel;weekDayPanel = new JPanel(new GridLayout(1, 7, 3, 3));weekDayPanel.setOpaque(false);weekDayPanel.setBorder(BorderFactory.createMatteBorder(0, 0, 1, 0, Color.white));DayPanel day = null;day = new DayPanel("日");day.setForeground(Color.blue);weekDayPanel.add(day);weekDayPanel.add(new DayPanel("一"));weekDayPanel.add(new DayPanel("二"));weekDayPanel.add(new DayPanel("三"));weekDayPanel.add(new DayPanel("四"));weekDayPanel.add(new DayPanel("五"));day = new DayPanel("六");day.setForeground(Color.blue);weekDayPanel.add(day);return weekDayPanel;}/** * 构建日历控件 */private void buildCalendarPanel(int year, int month) {calendarPanel.removeAll();// 设置年月日Calendar calender = Calendar.getInstance();calender.set(Calendar.YEAR, year);calender.set(Calendar.MONTH, month);calender.set(Calendar.DATE, 1);//设置时间为当前月的第一天//将当前月的第一天之前的星期用空白的DayPanel填充int weekDay = calender.get(Calendar.DAY_OF_WEEK);for (int i = Calendar.SUNDAY; i <weekDay; i++) {calendarPanel.add(new DayPanel(""));}int i = 1;do {//根据天生成一个DayPanel对象final DayPanel day = new DayPanel(calender);//如果为当前的日期，则显示一个边框if (Calendar.getInstance().get(Calendar.YEAR)==calender.get(Calendar.YEAR)&&Calendar.getInstance().get(Calendar.MONTH) == calender.get(Calendar.MONTH)&&Calendar.getInstance().get(Calendar.DAY_OF_MONTH)==calender.get(Calendar.DAY_OF_MONTH)) {day.setCurrentDay(true);}day.setActionMoseEvent(true);day.getLabel().addMouseListener(new MouseAdapter() {public void mouseClicked(MouseEvent e){fireDayClicked(day,e);}@Overridepublic void mouseEntered(MouseEvent e) {updateBottomInfo(sipleDF.format(day.getCalendar().getTime()));}@Overridepublic void mouseExited(MouseEvent e) {updateBottomInfo("");}});fireDayCreated(day);calendarPanel.add(day);//天数增加一，进入下一天的day对象创建calender.add(Calendar.DAY_OF_MONTH, 1);i++;} while (calender.get(Calendar.MONTH) == month);}/** * 更新底部面板信息 * @param text */public void updateBottomInfo(String text){bottomInfo.setText(text);}/** *以指定的日期对象来构建日历面板 * @param calendar */public void updateDate(Calendar calendar) {String date = dateFormat.format(calendar.getTime());actionPanel.setDateInfo(date);buildCalendarPanel(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH));}/** * 添加日期点击监听 * @param listener */public void addDayClickListener(DayClickListener listener){listeners.add(listener);}/** * 移除日期点击监听 * @param listener */public void removeDayClickListener(DayClickListener listener){listeners.remove(listener);}/** * 发布日期单击事件 * @param day * @param e */private void fireDayClicked(DayPanel day,MouseEvent e){for(DayClickListener listener:listeners){listener.dayClicked(day, e);}}/** * 添加日期创建监听器 * @param createListener */public void addDayCreateListener(DayCompCreateListener createListener){ createListeners.add(createListener);}/** * 删除日期创建监听器 * @param createListener */public void removeCreateListener(DayCompCreateListener createListener){createListeners.remove(createListener);}/* * 发布日期创建事件 */private void fireDayCreated(DayPanel day){for(DayCompCreateListener listener:createListeners){listener.dayCompCreated(day);}}/** * 添加动作按钮监听器 * @param listener */public void addActionButtonListener(ActionButtonListener listener){actionListeners.add(listener);}/** * 移除动作按钮监听器 * @param listener */public void removeActionButtonListener(ActionButtonListener listener){actionListeners.remove(listener);}/** * 发布动作按钮动作事件 * @param button * @param e */private void fireActionButtonActionPerfored(JButton button,ActionEvent e){for(ActionButtonListener listener:actionListeners){listener.actionButtonactionPerformed(button, e);}}class ActionPanel extends JPanel implements ActionListener{//用来显示日期的标签对象private JLabel dateInfoLabel;//向后退一年的按钮private JButton beforeYear;//向后退一个月的按钮private JButton beforeMouth;//增加一个月按钮private JButton nextMouth;//增加一年按钮private JButton nextYear;public ActionPanel(){setOpaque(false);beforeYear = new BasicArrowButton(SwingConstants.WEST){public void paintTriangle(Graphics g, int x, int y, int size, int direction, boolean isEnabled){super.paintTriangle(g, x, y, size, direction, isEnabled);super.paintTriangle(g, x-3, y, size, direction, isEnabled);} };beforeMouth = new BasicArrowButton(SwingConstants.WEST);nextMouth = new BasicArrowButton(SwingConstants.EAST);nextYear = new BasicArrowButton(SwingConstants.EAST){public void paintTriangle(Graphics g, int x, int y, int size, int direction, boolean isEnabled){super.paintTriangle(g, x, y, size, direction, isEnabled);super.paintTriangle(g, x+3, y, size, direction, isEnabled);} };//初始化，采用当前日期dateInfoLabel = new JLabel(dateFormat.format(Calendar.getInstance().getTime()));beforeYear.addActionListener(this);beforeMouth.addActionListener(this);nextMouth.addActionListener(this);nextYear.addActionListener(this);add(beforeYear, new GridBagConstraints(0, 0, 1, 1, 0, 0, GridBagConstraints.WEST,GridBagConstraints.NONE, new Insets(0, 8, 0, 0), 0, 0));add(beforeMouth, new GridBagConstraints(1, 0, 1, 1, 0, 0, GridBagConstraints.WEST,GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));add(dateInfoLabel, new GridBagConstraints(2, 0, 1, 1, 1, 1, GridBagConstraints.CENTER,GridBagConstraints.HORIZONTAL, new Insets(0,5, 0, 5), 0, 0));add(nextMouth, new GridBagConstraints(3, 0, 1, 1, 0, 0, GridBagConstraints.WEST,GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));add(nextYear, new GridBagConstraints(4, 0, 1, 1, 0, 0, GridBagConstraints.WEST,GridBagConstraints.NONE, new Insets(0, 0, 0,8), 0, 0));}/** * 获得当前标签所表示的日历对象 * @return */public Calendar getDate() {Calendar calendar = Calendar.getInstance();String date = dateInfoLabel.getText();String[] fields = date.split("-");calendar.set(Calendar.YEAR, Integer.parseInt(fields[0]));calendar.set(Calendar.MONTH, Integer.parseInt(fields[1]) - 1);return calendar;}/** * 设置顶部的日期信息 * @param text */public void setDateInfo(String text) {this.dateInfoLabel.setText(text);}@Overridepublic void actionPerformed(ActionEvent e) {if (e.getSource() == beforeYear) {Calendar calendar = getDate();calendar.add(Calendar.YEAR, -1);fireActionButtonActionPerfored(beforeYear,e);updateDate(calendar);} else if (e.getSource() == beforeMouth) {Calendar calendar = getDate();calendar.add(Calendar.MONTH, -1);fireActionButtonActionPerfored(beforeMouth,e);updateDate(calendar);} else if (e.getSource() == nextMouth) {Calendar calendar = getDate();calendar.add(Calendar.MONTH, 1);fireActionButtonActionPerfored(nextMouth,e);updateDate(calendar);} else if (e.getSource() == nextYear) {Calendar calendar = getDate();calendar.add(Calendar.YEAR, 1);fireActionButtonActionPerfored(nextYear,e);updateDate(calendar);}}}}

ActionButtonListener.java:

 package com.mengke.j2se.util;import java.awt.event.ActionEvent;import javax.swing.JButton;/** *author mengke * e_mail wqjsir@foxmail.com *version 2010-12-12下午10:59:55 */public interface ActionButtonListener {/** * 动作按钮鼠标点击事件 * @param button */public void actionButtonactionPerformed(JButton button ,ActionEvent e);}

DayClickListener.java

 package com.mengke.j2se.util;import java.awt.event.MouseEvent;/** *author mengke * e_mail wqjsir@foxmail.com *version 2010-12-9下午11:34:16 *日期组件事件 */public interface DayClickListener {/** * 一个日期组件被点击事件 * @param day */public void dayClicked(DayPanel day,MouseEvent e);}

DayCompCreateListener.java

package com.mengke.j2se.util;/** *author mengke * e_mail wqjsir@foxmail.com *version 2010-12-12下午10:39:49 */public interface DayCompCreateListener {/** * 一个日期组件创建事件 * @param day */public void dayCompCreated(DayPanel day);}

DayPanel.java

 package com.mengke.j2se.util;import java.awt.Color;import java.awt.Dimension;import java.awt.GridBagConstraints;import java.awt.GridBagLayout;import java.awt.Insets;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.util.Calendar;import javax.swing.BorderFactory;import javax.swing.JLabel;import javax.swing.JPanel;/** * 日期面板组件 * * @author 梦科 * */public class DayPanel extends JPanel implements MouseListener {private JLabel label;// 该日期组件所代表的日历时间private Calendar calendar;// 是否响应内部设置的鼠标事件，默认为不响应private boolean actiOnMoseEvent= false;// 是否为当前日期的标志private boolean isCurrentDay = false;/** * 构造方法 * * @param day */public DayPanel(Calendar calendar) {this(calendar.get(Calendar.DAY_OF_MONTH) + "");this.calendar = Calendar.getInstance();this.calendar.set(Calendar.YEAR, calendar.get(Calendar.YEAR));this.calendar.set(Calendar.MONTH, calendar.get(Calendar.MONTH));this.calendar.set(Calendar.DATE, calendar.get(Calendar.DATE));if ((Calendar.SATURDAY == calendar.get(Calendar.DAY_OF_WEEK) || Calendar.SUNDAY == calendar.get(Calendar.DAY_OF_WEEK))) {label.setForeground(Color.red);}}/** * 构造方法 * * @param day */public DayPanel(String day) {label = new JLabel();label.setText(day);label.setHorizontalAlignment(JLabel.CENTER);label.addMouseListener(this);setLayout(new GridBagLayout());setMinimumSize(new Dimension(20, 20));setPreferredSize(new Dimension(20, 20));add(label, new GridBagConstraints(0, 0, 1, 1, 0, 0,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));}/** * 设置显示日期的颜色 * * @param color */public void setLabelForeground(Color color) {label.setForeground(color);}/** * 是否为当前日期 * * @return */public boolean isCurrentDay() {return isCurrentDay;}/** * 设置为当前日期的标记 * * @param isCurrentDay */public void setCurrentDay(boolean isCurrentDay) {this.isCurrentDay = isCurrentDay;setBackground(Color.cyan);}public Calendar getCalendar() {return calendar;}public void setCalendar(Calendar calendar) {this.calendar = calendar;}public JLabel getLabel() {return label;}@Overridepublic void mouseClicked(MouseEvent e) {}@Overridepublic void mouseEntered(MouseEvent e) {if (isCurrentDay() || !isActionMoseEvent()) {return;}setOpaque(true);setBackground(Color.gray);setBorder(BorderFactory.createLineBorder(Color.LIGHT_GRAY));}@Overridepublic void mouseExited(MouseEvent e) {if (isCurrentDay() || !isActionMoseEvent()) {return;}setOpaque(false);setBorder(null);}@Overridepublic void mousePressed(MouseEvent e) {// TODO Auto-generated method stub}@Overridepublic void mouseReleased(MouseEvent e) {// TODO Auto-generated method stub}/** * 是否响应内部设置的鼠标动作事件 * * @return */public boolean isActionMoseEvent() {return actionMoseEvent;}/** * 设置是否显示内部设置鼠标事件 * * @param actionMoseEvent */public void setActionMoseEvent(boolean actionMoseEvent) {this.actiOnMoseEvent= actionMoseEvent;}}

测试类为：CalendarPopTest.java

package com.mengke.j2se.util.test;import java.awt.Dimension;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.util.Calendar;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JPanel;import junit.framework.TestCase;import com.mengke.j2se.util.CalendarPop;import com.mengke.j2se.util.DayClickListener;import com.mengke.j2se.util.DayCompCreateListener;import com.mengke.j2se.util.DayPanel;/** *author mengke * e_mail wqjsir@foxmail.com *version 2010-12-12上午12:19:47 */public class CalendarPopTest extends TestCase implements DayClickListener,DayCompCreateListener {public static void main(String[] args){new CalendarPopTest().startUp();}public void startUp(){JFrame frame = new JFrame();frame.setSize(new Dimension(200,300));frame.setLocation(400, 500);frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);JPanel panel = new JPanel();final JButton button = new JButton("TestButton");button.addMouseListener(new MouseAdapter() {@Overridepublic void mouseClicked(MouseEvent e) {CalendarPop calendarPop = new CalendarPop();calendarPop.addDayClickListener(CalendarPopTest.this);calendarPop.addDayCreateListener(CalendarPopTest.this);calendarPop.updateDate(Calendar.getInstance());calendarPop.show(button, e.getX(), e.getY());}});panel.add(button);frame.add(panel);frame.setVisible(true);}/** * 这里可以做些操作 */@Overridepublic void dayClicked(DayPanel day, MouseEvent e) {System.out.println("day clicked");}/** * 这里可以做些操作 */@Overridepublic void dayCompCreated(DayPanel day) {System.out.println("day created");}}