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    <p>If I understand correctly.. you basically need to replace the main panel with account panel on certain event!</p> <p>I have written example code (please modify it according to your project)</p> <p>In this code.. I have created 4 panels namely Component Panel: To hold all components Main Panel: contains the label with text "Main Panel" and its border is painted RED Account Panel: contains the label with text "Account Panel" and its border is painted GREEN Option Panel: empty panel with its border is painted BLUE</p> <p>Two buttons: Account Button: Which should replace Main Panel with Account Panel Main Button: Which should replace Account Panel with Main Panel</p> <p>Using GridBagLayout, all you need to do is to place Main Panel and Account Panel at the same location i.e. gridx = 0 and gridy = 0 for both. At first Main Panel shall be displayed. On event "Account Button" set Main Panel's visibility false and Account Panels' true. For event "Main Button" do the vica versa. GridBagLayout is fantastic dynamic layout which manages the empty spacing by itslef without any distortion. </p> <pre><code>public class SwingSolution extends JFrame implements ActionListener { private JPanel componentPanel = null; private JPanel mainPanel = null; private JLabel mainLabel = null; private JPanel optionPanel = null; private JPanel accountPanel = null; private JLabel accountLabel = null; private JButton replaceToAccountPanel = null; private JButton replaceToMainPanel = null; private final static String MAIN_TO_ACCOUNT = "MainToAccount"; private final static String ACCOUNT_TO_MAIN = "AccountToMain"; public JPanel getComponentPanel() { if(null == componentPanel) { componentPanel = new JPanel(); GridBagLayout gridBagLayout = new GridBagLayout(); componentPanel.setLayout(gridBagLayout); GridBagConstraints constraint = new GridBagConstraints(); constraint.insets = new Insets(10, 10, 10, 10); mainPanel = new JPanel(); constraint.gridx = 0; constraint.gridy = 0; mainPanel.setMinimumSize(new Dimension(100, 50)); mainPanel.setPreferredSize(new Dimension(100, 50)); mainPanel.setMaximumSize(new Dimension(100, 50)); mainPanel.setBorder( BorderFactory.createLineBorder(Color.RED)); mainLabel = new JLabel("Main Panel"); mainPanel.add(mainLabel); componentPanel.add(mainPanel, constraint); accountPanel = new JPanel(); constraint.gridx = 0; constraint.gridy = 0; accountPanel.setMinimumSize(new Dimension(100, 50)); accountPanel.setPreferredSize(new Dimension(100, 50)); accountPanel.setMaximumSize(new Dimension(100, 50)); accountPanel.setBorder( BorderFactory.createLineBorder(Color.GREEN)); accountLabel = new JLabel("Account Panel"); accountPanel.add(accountLabel); componentPanel.add(accountPanel, constraint); optionPanel = new JPanel(); constraint.gridx = 0; constraint.gridy = 1; optionPanel.setMinimumSize(new Dimension(100, 50)); optionPanel.setPreferredSize(new Dimension(100, 50)); optionPanel.setMaximumSize(new Dimension(100, 50)); optionPanel.setBorder( BorderFactory.createLineBorder(Color.BLUE)); componentPanel.add(optionPanel, constraint); replaceToAccountPanel = new JButton("Account Button"); replaceToAccountPanel.setName(MAIN_TO_ACCOUNT); constraint.gridx = 0; constraint.gridy = 2; replaceToAccountPanel.setSize(new Dimension(800, 30)); replaceToAccountPanel.addActionListener(this); componentPanel.add(replaceToAccountPanel, constraint); replaceToMainPanel = new JButton("Main Button"); replaceToMainPanel.setName(ACCOUNT_TO_MAIN); constraint.gridx = 1; constraint.gridy = 2; replaceToMainPanel.setMinimumSize(new Dimension(800, 30)); replaceToMainPanel.addActionListener(this); componentPanel.add(replaceToMainPanel, constraint); } return componentPanel; } public void actionPerformed (ActionEvent evt) { JButton buttonClicked = (JButton) evt.getSource(); if(buttonClicked != null) { if(buttonClicked.getName().equals(MAIN_TO_ACCOUNT)) { mainPanel.setVisible(false); accountPanel.setVisible(true); } else if(buttonClicked.getName().equals(ACCOUNT_TO_MAIN)) { mainPanel.setVisible(true); accountPanel.setVisible(false); } } } public static void main(String[] args) { JFrame frame = new JFrame(); SwingSolution main = new SwingSolution(); frame.setTitle("Simple example"); frame.setSize(400, 300); frame.setLocationRelativeTo(null); frame.setContentPane(main.getComponentPanel()); frame.setVisible(true); frame.setDefaultCloseOperation(EXIT_ON_CLOSE); } } </code></pre>
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    1. COCould I do this with normal panels and no gridbag layout or is it required?
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    2. COof course you can do it with other layouts.. just keep in mind that when you set a panel's visibility to false, it is just hidden from the screen. What I did was provided the logic i.e. hide one panel and display another on the top of it
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    3. COJust keep in mind when you hide one panel from the screen, some layout managers try to utilize the empty space, which may distort the UI.
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