package 日歷記事本;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class Year extends Box implements ActionListener {
	int			year;

	JTextField	showYear	= null;

	JButton		明年, 去年;

	CalendarPad	日歷;
//	----------------------------------------------------------------------------------------------------------------------------------------
	public Year(CalendarPad 日歷)
		{
			super(BoxLayout.X_AXIS);
			showYear = new JTextField(4);
			showYear.setForeground(Color.blue);
			showYear.setFont(new Font("TimesRomn", Font.BOLD, 14));
			this.日歷 = 日歷;
			year = 日歷.getYear();
			明年 = new JButton("下年");
			去年 = new JButton("上年");
			add(去年);
			add(showYear);
			add(明年);
			showYear.addActionListener(this);
			去年.addActionListener(this);
			明年.addActionListener(this);
		}
//	----------------------------------------------------------------------------------------------------------------------------------------
	public void setYear(int year) {
		this.year = year;
		showYear.setText("" + year);
	}
//	----------------------------------------------------------------------------------------------------------------------------------------
	public int getYear() {
		return year;
	}
//	----------------------------------------------------------------------------------------------------------------------------------------
	public void actionPerformed(ActionEvent e) {
		if (e.getSource() == 去年)
			{
				year = year - 1;
				showYear.setText("" + year);
				日歷.setYear(year);
				日歷.設(shè)置日歷牌(year, 日歷.getMonth());
			}
		else if (e.getSource() == 明年)
			{
				year = year + 1;
				showYear.setText("" + year);
				日歷.setYear(year);
				日歷.設(shè)置日歷牌(year, 日歷.getMonth());
			}
		else if (e.getSource() == showYear)
			{
				try
					{
						year = Integer.parseInt(showYear.getText());
						showYear.setText("" + year);
						日歷.setYear(year);
						日歷.設(shè)置日歷牌(year, 日歷.getMonth());
					} catch (NumberFormatException ee)
					{
						showYear.setText("" + year);
						日歷.setYear(year);
						日歷.設(shè)置日歷牌(year, 日歷.getMonth());
					}
			}
	}
//	----------------------------------------------------------------------------------------------------------------------------------------
}