datechooserjbutton.java

来自「java编的时间日期选择控件」· Java 代码 · 共 439 行

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.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 = "";

	Mail_LogForm mail_log = null;
	public DateChooserJButton()
	{
		this(getNowDate(), null);
	}

	public DateChooserJButton(Mail_LogForm mlf)
	{
		this(getNowDate(),mlf);
	}


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


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

	public DateChooserJButton(String preLabel, Date date, Mail_LogForm mlf)
	{
		this.mail_log = mlf;
		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());
			mail_log.showtable();
			this.dialog.dispose();
		}

	}



}