addressdialog.java

java编程开发技巧与实例的编译测试通过的所有例程

import java.awt.*;
import java.awt.event.*;

public class AddressDialog extends Dialog implements ActionListener
{
	private Address address	=	null;
	private Button okay		=	new Button("Okay");
	private Button cancel	=	new Button("Cancel");
	private TextField inputs[]	=	null;
	protected boolean isOkay	=	false;
	
	private class WindowCloser extends WindowAdapter
	{
		public void windowClosing(WindowEvent we)
		{
			AddressDialog.this.hide();
		}
	}
	public void DlgCenterlization(AddressBook parent)
	{
		int x = parent.getLocation().x + (parent.getSize().width - getSize().width) / 2;
		int y = parent.getLocation().y + (parent.getSize().height - getSize().height) / 2;
		x = Math.min(getToolkit().getScreenSize().width - getSize().width, x);
		y = Math.min(getToolkit().getScreenSize().height - getSize().height, y);
		setLocation(Math.max(0, x), Math.max(0, y));
	}
	public AddressDialog(AddressBook parent, Address _address)
	{
		super(parent, "Address Infomation", true);
		address = _address;
		setup();
		okay.addActionListener(this);
		cancel.addActionListener(this);
		addWindowListener(new WindowCloser());
		pack();
		DlgCenterlization(parent);
		show();
	}
	public String[] getData()
	{
		String inputStrings[] = new String[inputs.length];
		for (int i = 0; i < inputs.length; i ++)
			inputStrings[i] = inputs[i].getText().trim();
		return inputStrings;
	}
	public void actionPerformed(ActionEvent e)
	{
		if (e.getSource() == okay)
			isOkay = true;
		this.hide();
	}
	private void setup()
	{
		Panel data = new Panel();
		data.setLayout(new GridLayout(address.getLabels().length, 2));
		inputs = new TextField[address.getLabels().length];
		for (int i = 0; i < address.getLabels().length; i ++)
		{
			inputs[i] = new TextField(address.getAddress()[i], 20);
			data.add(new Label(address.getLabels()[i], Label.RIGHT));
			data.add(inputs[i]);
		}
		Panel buttons = new Panel();
		buttons.setLayout(new FlowLayout());
		buttons.add(okay);	buttons.add(cancel);
		setLayout(new BorderLayout());
		add("Center", data);
		add("South", buttons);
	}
}