Java SE (Java Platform, Standard Edition)

Hi everyone,

I read a lot about loading jpanel in a jpanel in this forum and I tried almost everything from repaint, to revalidate. :-( I start giving up. Any help will be apprecieated, pleasseeee.. Here is the application.

I have the HomeView which extends JPanel and contains the menu, left and right panel. The left panel includes an icon panel and button panel. The button panel should load 3 different panels according to user's login and the right panel (screen panel) should load a few more panels according to user's choises. My MainGui that extends JFrame calls the HomeView and loads the first panel (LoginView). Until there is ok. I login successfull and nothing is displayd :-( All the panels are in different classes and I call them by e.g HomeView hv = new HomeView(); Here is the MainGui.

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

public class MainGui extends JFrame {
	
	public MainGui(){
		
		HomeView1 hv = new HomeView1(); // includes the left and right panel
		LoginView lv = new LoginView(); // login screen
	
		setBounds(0, 0, 620, 430);  
		setTitle("Test");  
		getContentPane().add(hv);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
		setResizable(false);

		// prepare to load the login panel
		hv.remove(hv.newPanel);
		hv.add(hv.getScreenPanel(lv));

	} // end constructor		
	
	public static void main(String[] args) {

		JFrame maingui = new MainGui();
			
		dtsmain.addWindowListener(new java.awt.event.WindowAdapter() { 
			public void windowClosing(java.awt.event.WindowEvent e) {    
				System.exit(0);
			}
		});
		dtsmain.setVisible(true);
	} // end main
} // maingui

The getScreenPanel] is a method in the HomeView class that initializes the screen panel:

public JPanel getScreenPanel(JPanel screenPanel) {
	if(screenPanel == null) {
		try {
		screenPanel = new JPanel();
			screenPanel.setBounds(162, 28, 432, 365);  
			//screenPanel.setOpaque(false); 
			newPanel = screenPanel;  // this was one of the tries to know what panel is up
		}
		catch (Throwable e) {
			e.printStackTrace();
		}
	}
	screenPanel.setBounds(162, 28, 432, 365);
	newPanel = screenPanel;
	return screenPanel;
}

The part of LoginView that calls the new panel is:

public JButton getBtnLogin() {
		
	if(btnLogin == null) {
		try {
			btnLogin = new JButton();  
			btnLogin.setBounds(140, 260, 125, 32);  
			btnLogin.setText("OK");  
			btnLogin.addActionListener(new ActionListener() { 
			    public void actionPerformed(ActionEvent e) { 

			         HomeView1 hv = new HomeView1();
			         JPanel hsv = new HomeStudView();
			         JPanel bsv = new BtnStudView();
                                 // auth user
			         User u = new User();
			        utype = u.getlogin(txtUserName.getText(), txtPsw.getText());
						
			        switch (utype){
				  case 3: // one of the views
								
					// displays the buttons
					//hv.buttonPanel.removeAll();  // get an error when K add this
					hv.leftPanel.add(hv.getButtonPanel(bsv));
							
					hv.remove(hv.newPanel);
					hv.add(hv.getScreenPanel(hsv));
					hv.newPanel.revalidate();
			        } // end switch
												
		            } // end actionperformed
	              });
                }
		catch (Throwable e) {
				e.printStackTrace();
		}
	}
	return btnLogin;
}

The getButtonPanel] is a method in the HomeView class that initializes the button panel:

	public JPanel getButtonPanel(JPanel buttonPanel) {
		if(buttonPanel == null) {
			try {
				buttonPanel = new JPanel();  
				buttonPanel.setLayout(null);
				newbPanel = buttonPanel;
			}
			catch (java.lang.Throwable e) {
				e.printStackTrace();
			}
		}
		buttonPanel.setLocation(0, 45);
                newbPanel = buttonPanel;
		return buttonPanel;
	}
}

Please help!!! I really don't know what else to do and I need this application!!! I was thinking that maybe the different classes for each panel creates this problem..(I don't see why) or maybe is something smalI that I don't see it. I was trying to make this short one but it is impossible. :((

Thanks,
Irene