datechooserjbutton.java

包含了学生管理系统的一些基本操作以及相关窗口页面实现。

package com.hb.studentmanager.tools;


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.Dialog;
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.JButton;
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 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)) ;
		this.setPreferredSize(new java.awt.Dimension(217, 35));
		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") ;
	} 
	
//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 = 1950; //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(Dialog 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 ) {
		Dialog owner =(Dialog)SwingUtilities.getWindowAncestor(DateChooserJButton.this) ;
		if (dialog==null || dialog.getOwner()!= owner) dialog = createDialog(owner ) ;
		dialog.setLocation(getAppropriateLocation(owner ,position ) ) ;
		flushWeekAndDay() ;
		dialog.show(); 
	}
	
	
	Point getAppropriateLocation(Dialog 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  
			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());
	} 
	
}



}