logpanel.java

Toy Universe网上玩具购物系统源代码

import javax.swing.*;
import java.awt.*;
//import colorLabel;
public class logPanel extends JPanel
{
	//public ...? i can't make sure of the next two panel 
	Panel plging;
	Panel plged;
	
	JTextField tfName;
	JPasswordField pfPass;
	Button bnok;
	Button bnreg;
	Label ldisp;
	GridBagLayout gl;
	GridBagConstraints gbc;
	CardLayout cl;
	public logPanel()
	{
		
		plging=new Panel();
		plged=new Panel();
		
	
		gl=new GridBagLayout();
		gbc=new GridBagConstraints();
		cl=new CardLayout();
		this.setLayout(cl);
		Label lName=new Label("UserName");
		Label lPass=new Label("Password");
		lName.setBackground(Color.blue);
		lPass.setBackground(Color.blue);
		tfName=new JTextField(5);
		tfName.setText("");
		
		pfPass=new JPasswordField(5);
		pfPass.setText("pass");
		
		bnok=new Button("  OK  ");
		bnreg=new Button("Register");
		
		ldisp=new Label("Please Login:");
		//add sub panel of the first card
		plging.setLayout(new BorderLayout());
		Panel plgingc=new Panel();
		plgingc.setLayout(gl);
		gbc.insets=new Insets(1,1,1,1);
		gbc.anchor=GridBagConstraints.EAST;
		plging.add("Center",plgingc);
		plging.add("South",ldisp);
		//plging.add(lName,gbc);
		addComp(plgingc,lName,1,1,1,1);
		addComp(plgingc,tfName,3,1,1,1);
		addComp(plgingc,lPass,1,2,1,1);
		addComp(plgingc,pfPass,3,2,1,1);
		addComp(plgingc,bnok,1,3,1,1);
		addComp(plgingc,bnreg,3,3,1,1);
		this.add("loging",plging);
		
		//add sub panel the two card
		
		
		
		this.add("loged",plged);
		//show the first card
		cl.show(this,"loging");
	}
		
	public void addComp
	(Panel p,Component cmp ,int gridx,int gridy,int w,int h)
	{
		gbc.gridx=gridx;
		gbc.gridy=gridy;
		gbc.gridwidth=w;
		gbc.gridheight=h;
		p.add(cmp,gbc);
	}
	public void changeCard(Icon icn)
	{
		plged.setLayout(new BorderLayout());
		//the current layoutManager is flowlayout
		//Label lws=new Label("Welcome You !!");
		//Label lns=new Label(tfName.getText());
		colorLabel lws=new colorLabel("Hi! "+tfName.getText()+",Welcome you :) ",15);
		plged.add("North",lws);
		JLabel licn=new JLabel(icn);
		plged.add("Center",licn);
		//plged.add(lns);
		cl.show(this,"loged");
	}
	
	
}