datechooserjbutton.java

多功能学生宿舍管理系统 分布式体系结构

package myweb.bean;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.SpinnerNumberModel;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.border.LineBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class DateChooserJButton extends JButton {


	private DateChooser dateChooser =null;

	private String preLabel ="" ;


	public DateChooserJButton() {
	this(getNowDate()) ;
	}


	public DateChooserJButton(SimpleDateFormat df , String dateString) {
	this() ;
	setText(df,dateString) ;
	}


	public DateChooserJButton(Date date) {
	this("",date);
	}

	public DateChooserJButton(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年MM月dd日HH时") ;
	} 

//	覆盖父类的方法
	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() ;
	}

	}



//	覆盖父类的方法使之无效
	public void addActionListener(ActionListener listener ) {
	}




	private class DateChooser extends JPanel implements ActionListener ,ChangeListener {
	int startYear = 1980; //默认【最小】显示年份
	int lastYear = 2050; //默认【最大】显示年份
	int width = 200; //界面宽度
	int height = 200; //界面高度

	Color backGroundColor = Color.gray; //底色
//	月历表格配色----------------//
	Color palletTableColor = Color.white; //日历表底色
	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

//	控制条配色------------------//
	Color controlLineColor = Color.pink; //控制条底色
	Color controlTextColor = Color.white; //控制条标签文字色


	Color rbFontColor = Color.white; //RoundBox文字色
	Color rbBorderColor = Color.red; //RoundBox边框色
	Color rbButtonColor = Color.pink; //RoundBox按钮色
	Color rbBtFontColor = Color.red; //RoundBox按钮文字色

	JDialog dialog ;
	JSpinner yearSpin ;
	JSpinner monthSpin ;
	JSpinner hourSpin ;
	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);

	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("时");
	hourLabel.setForeground(controlTextColor);
	result.add(hourLabel);
	return result ;
	}



	private JPanel createWeekAndDayPanal() {
	String colname[] = {"日","一","二","三","四","五","六"};
	JPanel result = new JPanel();
//	设置固定字体，以免调用环境改变影响界面美观
	result.setFont(new Font("宋体", 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,"日期时间选择",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(DateChooserJButton.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 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());
	} 

	}
}