package dk.itu.oop.lecture8;

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

class DateDialog extends JDialog {
	JTextField yearField;
	JTextField monthField;
	JTextField dayField;
	JTextArea messages;
	JButton accept;
	JButton cancel;

	Date date;

	public DateDialog(){
		setModal(true);
		setSize(250,150);
		setTitle("Edit a Date");

		Container pane = this.getContentPane();
		pane.setLayout(new BorderLayout() );
		JPanel inputPanel = new JPanel();
		inputPanel.setLayout(new FlowLayout() );
		JPanel acceptPanel = new JPanel();
		acceptPanel.setLayout(new FlowLayout() );
		yearField = new JTextField(5);
		monthField = new JTextField(3);
		dayField = new JTextField(3);
		inputPanel.add(dayField);
		inputPanel.add( new JLabel("/"));
		inputPanel.add(monthField);
		inputPanel.add( new JLabel("/"));
		inputPanel.add(yearField);

		accept = new JButton("accept");
		cancel = new JButton("cancel");
		acceptPanel.add(accept);
		acceptPanel.add(cancel);

		messages = new JTextArea(30,4);

		pane.add(inputPanel, "North");
		pane.add(messages,"Center");
		pane.add(acceptPanel,"South");

		accept.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				storeDate();
			}
		});

		cancel.addActionListener( new ActionListener(){
			public void actionPerformed(ActionEvent e){
				date = null;
				DateDialog.this.hide();
			}
		});
	}

	private void storeDate1(){
		int y,m,d;
		try{
			y = Integer.parseInt(yearField.getText());
			m = Integer.parseInt(monthField.getText());
			d = Integer.parseInt(dayField.getText());
			date.setDate(y,m,d);
			this.hide();
		}catch(Throwable uups){
			messages.setText("Wrong "+uups);
		}
	}

	private void storeDate(){
		int y,m,d;
		try{
			try{y = Integer.parseInt(yearField.getText());}
			catch(NumberFormatException nfe){
				messages.setText("Year is not a number");
				return;
			}
			try{m = Integer.parseInt(monthField.getText());}
			catch(NumberFormatException nfe){
				messages.setText("month is not a number");
				return;
			}
			try{d = Integer.parseInt(dayField.getText());}
			catch(NumberFormatException nfe){
				messages.setText("day is not a number");
				return;
			}
			date.setDate(y,m,d);
			this.hide();
		}catch(Date.DateException e){
			if ( e.field.equals("month") )
				messages.setText("Wrong month number");
			else
				messages.setText("Wrong day number");
		}catch(Throwable uups){
			messages.setText("Something is not right!?");
		}
	}


	private static DateDialog editor = new DateDialog();

	public static Date editDate(Date d){
		editor.date = d;
		editor.yearField.setText(String.valueOf(d.getYear()));
		editor.monthField.setText(String.valueOf(d.getMonth()));
		editor.dayField.setText(String.valueOf(d.getDay()));
		editor.show();
		return editor.date;
	}

	public static void main(String args[]) throws Date.DateException {
		System.out.println("The date is: " + editDate(new MyDate(2004,6,15)) );
	}

}