package can.lyj.com;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.Calendar;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

@SuppressWarnings("serial")
public class MyDate extends JPanel implements MouseListener {
	int years, months;
	String[] weeks = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
	int[][] date = null;
	int day = 0;
	JLabel addy, jiany, addm, jianmon;
	String ymd;
	JFrame jf;
	JComponent com;
	JLabel today;

	public MyDate(JFrame jf, JComponent com) {
		this.jf = jf;
		this.com = com;
		setSize(380, 180);
		setLayout(null);
		JButton add = new JButton("+");
		add.setSize(20, 20);
		years = Calendar.getInstance().get(Calendar.YEAR);//
		months = Calendar.getInstance().get(Calendar.MONTH) + 1;//
		date = Mycalander.getDateAry(years, months);
		day = Calendar.getInstance().get(Calendar.DATE);//
		addm = new JLabel(">");
		jianmon = new JLabel("<");
		addy = new JLabel(">>");
		jiany = new JLabel("<<");
		today = new JLabel("今天");
		today.setBounds(280, 5, 50, 20);
		add(today);
		jiany.setBounds(50, 5, 30, 20);
		jianmon.setBounds(80, 5, 30, 20);
		addy.setBounds(250, 5, 30, 20);
		addm.setBounds(230, 5, 30, 20);
		jianmon.addMouseListener(this);
		jiany.addMouseListener(this);
		addy.addMouseListener(this);
		addm.addMouseListener(this);
		today.addMouseListener(this);
		ymd = years + "年" + months + "月" + day + "日";
		add(jiany);
		add(jianmon);
		add(addy);
		add(addm);
		addMouseListener(this);
		// setVisible(true);
	}

	public static synchronized void rigester(final JComponent date,
			final JFrame jfs) {
		final JFrame jf = new JFrame();
		jf.setSize(380, 180);
		MyDate my = new MyDate(jf, date);
		jf.add(my);
		jf.setResizable(false);
		jf.setUndecorated(true);
		date.addMouseListener(new MouseListener() {
			public void mouseClicked(MouseEvent arg0) {
				int y = (int) date.getSize().getHeight();
				jf.setLocation((int) jfs.getLocation().getX(), (int) jfs
						.getLocation().getY()
						+ y + 30);
				jf.setVisible(true);
			}

			public void mouseEntered(MouseEvent arg0) {
				// TODO Auto-generated method stub

			}

			public void mouseExited(MouseEvent arg0) {
			}

			public void mousePressed(MouseEvent arg0) {
				// TODO Auto-generated method stub

			}

			public void mouseReleased(MouseEvent arg0) {
				jf.setVisible(false);

			}
		});

	}

	@Override
	public void paint(Graphics g) {
		super.paint(g);
		g.drawString(ymd, 120, 20);
		for (int i = 0; i < weeks.length; i++) {
			g.setColor(Color.RED);
			g.drawString(weeks[i], 37 + i * 50, 40);
			g.drawRect(30 + i * 50, 27, 45, 15);
		}
		for (int i = 0; i < date.length; i++) {
			for (int j = 0; j < date[0].length; j++) {
				if (date[i][j] != 0) {
					if (date[i][j] == day) {
						g.setColor(Color.green);
					} else if (i == 0 && date[0][j] > 7) {
						g.setColor(Color.YELLOW);
					} else if (i >= 4 && date[i][j] <= 14) {
						g.setColor(Color.MAGENTA);
					} else {
						g.setColor(new Color(140, 140, 140));
					}
					g.drawString(date[i][j] + "", 50 + j * 50, 60 + i * 20);

				}
				g.setColor(new Color(140, 140, 140));
				g.drawRect(30 + j * 50, 47 + i * 20, 45, 15);
			}
		}

	};

	/**
	 * 获得选择的日历
	 * 
	 * @return
	 */
	public String getSelected(int years, int months, int day) {

		return years + "-" + months + "-" + day;
	}

	public void mouseClicked(MouseEvent key) {
		if (key.getSource() == today) {
			years = Calendar.getInstance().get(Calendar.YEAR);//
			months = Calendar.getInstance().get(Calendar.MONTH) + 1;//
			date = Mycalander.getDateAry(years, months);
			day = Calendar.getInstance().get(Calendar.DATE);//
			repaint();
			return;
		}
		if (key.getSource() == jianmon) {
			months -= months == 1 ? 0 : 1;
		} else if (key.getSource() == addy) {

			years += 1;

		} else if (key.getSource() == addm) {

			months += months == 12 ? 0 : 1;
		} else if (key.getSource() == jiany) {
			years -= years == 0 ? 0 : 1;
		}
		int x = (int) key.getPoint().getX();
		int y = (int) key.getPoint().getY();

		int column = (x - 40) % 50 >= 39 ? (x - 40) / 50 + 1 : (x - 40) / 50;
		int row = (y - 50) / 20;
		if (row >= 0 && column < 7 && row <= 6 && date[row][column] != 0) {
			day = date[row][column];
			jf.setVisible(false);
			JTextField jf = (JTextField) com;
			int yr, mn;
			if (row == 0 && date[0][column] > 7) {
				yr = months == 1 ? years - 1 : years;
				mn = months == 1 ? 12 : months - 1;
			} else if (row >= 4 && date[row][column] <= 14) {
				mn = months == 12 ? 1 : months + 1;
				yr = months == 12 ? years + 1 : years;
			} else {
				yr = years;
				mn = months;
			}

			jf.setText(getSelected(yr, mn, day));

		}
		ymd = years + "年" + months + "月" + day + "日";
		date = Mycalander.getDateAry(years, months);
		repaint();

	}

	public void mouseEntered(MouseEvent key) {
		// TODO Auto-generated method stub
		Object source = key.getSource();
		if (source == addy || source == jiany || source == addm
				|| source == jianmon) {
			JLabel jb = (JLabel) source;
			jb.setBackground(Color.red);
			add(jb);
		}
	}

	public void mouseExited(MouseEvent arg0) {
		// TODO Auto-generated method stub

	}

	public void mousePressed(MouseEvent arg0) {
		// TODO Auto-generated method stub

	}

	public void mouseReleased(MouseEvent arg0) {

	}

	public static void main(String[] args) {
		JFrame j = new JFrame();
		System.out.println(111);
		j.setSize(100, 20);
		j.setLocation(200, 300);
		// j.setResizable(false);
		j.setLayout(null);
		JTextField jt = new JTextField();
		jt.setBounds(20, 20, 100, 20);
		JTextField jt1 = new JTextField();
		jt1.setBounds(20, 40, 100, 20);
		j.setResizable(false);
		j.setContentPane(jt);
		rigester(jt, j);
		j.pack();
		j.setVisible(true);
	}

}