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Thread: Password Tester GUI HELP

  1. #1
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    Exclamation Password Tester GUI HELP

    Basically, I have to do the same thing that is on this website:tigerRam | COSC 181 Lab 7.1 | Password Tester

    I dont need to check my GUI layout and my layout should not be in he constructor. I need to use other classes that extend JPanel.
    Last edited by java.kid21; December 7th, 2010 at 02:58 PM.


  2. #2
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    Default Re: Password Tester GUI HELP

    Okay, so here is the code I have.

    import java.awt.*;       // for layout managers
    import java.awt.event.*; // for event handling
    import javax.swing.*;    // for GUI components
     
    public class PasswordCheck extends JFrame 
    {
    	private LaxPanel laxPanel;
    	private StrictPanel strictPanel;
     
    	public PasswordCheck()
    	{
    		super("Password Checker");
    		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     
    		Container contentPane = getContentPane();
    		contentPane.setLayout(new BorderLayout());
     
    		JPanel northPanel = new JPanel();
    		northPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
    		contentPane.add(northPanel, BorderLayout.NORTH);
    		String instructions = "<html>Welcome to Password Tester.<br>" +
    		"Choose how you want to evaluate your password,<br>" 
    		+ "enter it below, and click evaluate</html>";
    		northPanel.add(new JLabel(instructions, JLabel.CENTER), BorderLayout.NORTH);
     
    		JPanel centerPanel = new JPanel(new GridLayout(0, 3, 10, 10));
    		centerPanel.setBorder(BorderFactory.createEmptyBorder(0, 10, 0, 10));
    		contentPane.add(centerPanel, BorderLayout.CENTER);
    		laxPanel = new LaxPanel();
    		centerPanel.add(laxPanel);
    		strictPanel = new StrictPanel();
    		centerPanel.add(strictPanel);
     
     
    		JPanel southPanel = new JPanel();
    		southPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
    		contentPane.add(southPanel, BorderLayout.SOUTH);
     
    		JButton evaluate = new JButton("Evaluate");
    		southPanel.add(evaluate);
    		evaluate.addActionListener(new Listener());
     
    		pack();
    		setVisible(true);	
    	}
    	private class Listener implements ActionListener
    	{
    		public void actionPerformed(ActionEvent event)
    		{
    			evaluation();
    		}
    	}
    	private void evaluation()
    	{
    		String lax = laxPanel.getLax();
    		String strict = strictPanel.getStrict();
     
    		if (lax == null && strict == null)
    		{
    			JOptionPane.showMessageDialog(this,
    				    "You need to select either lax or strict evaluation.",
    				    "PasswordCheck", JOptionPane.ERROR_MESSAGE);
    		}
    		else
    		{
    			JOptionPane.showMessageDialog(this,
    					("Your password is secure"),
    					"PasswordCheck", JOptionPane.INFORMATION_MESSAGE);
    		}
    	}
     
    	public static void main(String[] args)
    	{
    		new PasswordCheck();
    	}
    }

     
    import javax.swing.*;
     
    public class LaxPanel extends JPanel
    {
    	private JRadioButton laxButton;
     
    	public LaxPanel()
    	{
    		setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
     
    		laxButton = new JRadioButton("Lax evaluation");
     
    		add(laxButton);
    	}	
    	public String getLax()
    	{
    		if (laxButton.isSelected())
    			return "lax button";
    		else
    			return null;
    	}
     
    }

    import javax.swing.*;
     
    public class StrictPanel extends JPanel
    {
    	private JRadioButton strictButton;
     
    	public StrictPanel()
    	{
    		setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
     
    		strictButton = new JRadioButton("Strict evaluation");
     
    		add(strictButton);
    	}	
    	public String getStrict()
    	{
    		if (strictButton.isSelected())
    			return "Strict button";
    		else
    			return null;
    	}
    }

    from here I need to make it so only one radio button can be chosen, but since they are on different panels I don't think I can add a button group. I also need to put in a user input box above the evaluate button so the user can input their password. Then I need to evaluate if their password is strong or not based on the criteria above.

  3. #3
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    Default Re: Password Tester GUI HELP

    Are you asking how to make sure that they don't have lax and strict on at same time?

    If so, use ButtonGroup.


    ButtonGroup group = new RadioButtonGroup();
     
    JRadioButton lax = new JRadioButton("Lax");
    JRadioButton strict = new JRadioButton("Strict");
     
    group.add(lax);
    group.add(strict);

    Now you can select "Lax" or "Strict", but not both.

    And selecting "Lax" automatically deselects "Strict" and selecting "Strict" automatically deselects "Lax".
    Last edited by javapenguin; December 7th, 2010 at 07:10 PM.

  4. #4
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    Default Re: Password Tester GUI HELP

    yeah, but they are in two different panels. Is there a way to keep the panels separate like i have them and make it so they are in a buttongroup?

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