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//*************************************************************************
//filename: MyWindow.java
//purpose: 各不同布局管理的示范。
//date: 2002/12/18
//author: flyfan
//ver: 0.1
//*************************************************************************
import java.awt.*;
import java.awt.event.*;
public class MyWindow extends Frame implements WindowListener， MouseListener
{
static MyWindow mw;
Panel borderLayoutPanel=new Panel();
Panel gridLayoutPanel=new Panel();
Panel flowLayoutPanel=new Panel();
Panel cardLayoutPanel=new Panel();
CardLayout layout=new CardLayout();
public static void main(String args[])
{
mw=new MyWindow("four layouts");

mw.setBorderLayoutPanel();
mw.setgridLayoutPanel();
mw.setflowLayoutPanel();
mw.setcardLayoutPanel();
mw.go();
}

public void go()
{
mw.setLayout(new GridLayout(2，2));
/*
mw.setSize(300，300);
mw.setVisible(true);
mw.add(borderLayoutPanel);
mw.add(gridLayoutPanel);
mw.add(flowLayoutPanel);
mw.add(cardLayoutPanel);

mw.addWindowListener(mw);
*/
mw.add(borderLayoutPanel);
mw.add(gridLayoutPanel);
mw.add(flowLayoutPanel);
mw.add(cardLayoutPanel);

mw.addWindowListener(mw);
mw.setSize(400，400);
mw.setVisible(true);

}

MyWindow(String str)
{
super(str);
}

public void setBorderLayoutPanel()
{
borderLayoutPanel.setLayout(new BorderLayout());
Button bt1=new Button("North");
Button bt2=new Button("South");
Button bt3=new Button("West");
Button bt4=new Button("East");
Button bt5=new Button("Center");
borderLayoutPanel.add("North"，bt1);
borderLayoutPanel.add("South"，bt2);
borderLayoutPanel.add("West"，bt3);
borderLayoutPanel.add("East"，bt4);
borderLayoutPanel.add("Center"，bt5);
}

public void setgridLayoutPanel()
{
gridLayoutPanel.setLayout(new GridLayout(2，2));
Button bt1=new Button("1");
Button bt2=new Button("2");
Button bt3=new Button("3");
Button bt4=new Button("4");
gridLayoutPanel.add(bt1);
gridLayoutPanel.add(bt2);
gridLayoutPanel.add(bt3);
gridLayoutPanel.add(bt4);
}

public void setflowLayoutPanel()
{
Button bt1=new Button("1");
Button bt2=new Button("2");
Button bt3=new Button("3");
flowLayoutPanel.add(bt1);
flowLayoutPanel.add(bt2);
flowLayoutPanel.add(bt3);
flowLayoutPanel.setBackground(Color.red);
}

public void setcardLayoutPanel()
{
cardLayoutPanel.setLayout(layout);
Button page1Button=new Button("the fisrt page");
page1Button.addMouseListener(this);
Label page2label=new Label("the second page");
page2label.addMouseListener(this);
cardLayoutPanel.add(page1Button，"page1Button");
cardLayoutPanel.add(page2label，"page2label");
}

public void windowClosing(WindowEvent e)
{
System.exit(1);
}
public void windowOpened(WindowEvent e){}
public void windowIconified(WindowEvent e){}
public void windowDeiconified(WindowEvent e){}
public void windowClosed(WindowEvent e){}
public void windowActivated(WindowEvent e){}
public void windowDeactivated(WindowEvent e){}

public void mouseClicked(MouseEvent e)
{
layout.next(cardLayoutPanel);
}
public void mouseEntered(MouseEvent e) {}
public void mouseExited(MouseEvent e) {}
public void mousePressed(MouseEvent e) {}
public void mouseReleased(MouseEvent e) {}
}
//end