Re: Cardlayout Problem

I have forwarded your question to nbusers. Please do
not use nbui for support type questions. It is for
discussion the actual user interface of the NetBeans
IDE and Platform. I don't have time to look at your
question in detail right now, but maybe someone there
will have time.

Wade

--- Blear <[email protected]> wrote:

> 
> I'm trying to get a card layout to work to display
> my multiple panels so that
> I can use it in a project I am working on. I have a
> JFrame and on that
> JFrame is a JPanel that will load the cards. I can
> get all of the cards that
> are within the same class to load fine. However I
> have quite a few panels
> that are very different and I don't want to stick it
> all into one class.
> Right now I can get the card (panel) from another
> class to load fine, but
> when I click its button to load another card that is
> where the program dies.
> I put a print statement in the function just to make
> sure the program is
> getting there and it is, but it just isn't loading
> the new panel. 
> 
> Here is my code for the frame where I can get
> everything to load fine:
> 
> 
> /*
>  
> package layout;
> 
> import javax.swing.*;
> import java.awt.*;
> 
> public class CardLayoutFrameTest extends
> javax.swing.JFrame {
>     
>     /** Creates new form CardLayoutFrameTest */
>     public CardLayoutFrameTest() {
>         initComponents();
>         initOtherClassComponents();        
>     }
>     
>     /** This method is called from within the
> constructor to
>      * initialize the form.
>      * WARNING: Do NOT modify this code. The content
> of this method is
>      * always regenerated by the Form Editor.
>      */
>     // <editor-fold defaultstate="collapsed" desc="
> Generated Code ">
>     private void initComponents() {
>         LoaderPanel = new javax.swing.JPanel();
>         Card1Panel = new javax.swing.JPanel();
>         Card2Button = new javax.swing.JButton();
>         Card2Panel = new javax.swing.JPanel();
>         Card1Button = new javax.swing.JButton();
>         Card4Panel = new javax.swing.JPanel();
>         Change2Card1Button = new
> javax.swing.JButton();
>         Change2Card2Button = new
> javax.swing.JButton();
>  
>        
>
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
>         LoaderPanel.setLayout(new
> java.awt.CardLayout());
>  
>         LoaderPanel.setBackground(new
> java.awt.Color(255, 255, 204));
>         LoaderPanel.setMaximumSize(new
> java.awt.Dimension(400, 225));
>         LoaderPanel.setMinimumSize(new
> java.awt.Dimension(400, 225));
>         LoaderPanel.setPreferredSize(new
> java.awt.Dimension(400, 225));
>         Card1Panel.setBackground(new
> java.awt.Color(153, 0, 0));
>         Card2Button.setText("Go to Card2");
>         Card2Button.addActionListener(new
> java.awt.event.ActionListener() {
>             public void
> actionPerformed(java.awt.event.ActionEvent evt) {
>                 Card2ButtonActionPerformed(evt);
>             }
>         });
>  
>         org.jdesktop.layout.GroupLayout
> Card1PanelLayout = new
> org.jdesktop.layout.GroupLayout(Card1Panel);
>         Card1Panel.setLayout(Card1PanelLayout);
>         Card1PanelLayout.setHorizontalGroup(
>            
>
Card1PanelLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
>            
> .add(Card1PanelLayout.createSequentialGroup()
>                 .add(187, 187, 187)
>                 .add(Card2Button)
>                 .addContainerGap(168,
> Short.MAX_VALUE))
>         );
>         Card1PanelLayout.setVerticalGroup(
>            
>
Card1PanelLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
>            
> .add(org.jdesktop.layout.GroupLayout.TRAILING,
> Card1PanelLayout.createSequentialGroup()
>                 .addContainerGap(167,
> Short.MAX_VALUE)
>                 .add(Card2Button)
>                 .add(128, 128, 128))
>         );
>         LoaderPanel.add(Card1Panel, "card1");
>  
>         Card2Panel.setBackground(new
> java.awt.Color(0, 204, 204));
>         Card1Button.setText("Go to Card4");
>         Card1Button.addActionListener(new
> java.awt.event.ActionListener() {
>             public void
> actionPerformed(java.awt.event.ActionEvent evt) {
>                 Card1ButtonActionPerformed(evt);
>             }
>         });
>  
>         org.jdesktop.layout.GroupLayout
> Card2PanelLayout = new
> org.jdesktop.layout.GroupLayout(Card2Panel);
>         Card2Panel.setLayout(Card2PanelLayout);
>         Card2PanelLayout.setHorizontalGroup(
>            
>
Card2PanelLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
>            
> .add(Card2PanelLayout.createSequentialGroup()
>                 .add(30, 30, 30)
>                 .add(Card1Button)
>                 .addContainerGap(325,
> Short.MAX_VALUE))
>         );
>         Card2PanelLayout.setVerticalGroup(
>            
>
Card2PanelLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
>            
> .add(Card2PanelLayout.createSequentialGroup()
>                 .add(30, 30, 30)
>                 .add(Card1Button)
>                 .addContainerGap(265,
> Short.MAX_VALUE))
>         );
>         LoaderPanel.add(Card2Panel, "card2");
>  
>         Card4Panel.setBackground(new
> java.awt.Color(255, 153, 0));
>         Change2Card1Button.setText("Card3 in Other
> Class");
>         Change2Card1Button.addActionListener(new
> java.awt.event.ActionListener() {
>             public void
> actionPerformed(java.awt.event.ActionEvent evt) {
>                
> Change2Card1ButtonActionPerformed(evt);
>             }
>         });
>  
>         Change2Card2Button.setText("Card1");
>         Change2Card2Button.addActionListener(new
> java.awt.event.ActionListener() {
>             public void
> actionPerformed(java.awt.event.ActionEvent evt) {
>                
> Change2Card2ButtonActionPerformed(evt);
>             }
>         });
>  
>         org.jdesktop.layout.GroupLayout
> Card4PanelLayout = new
> org.jdesktop.layout.GroupLayout(Card4Panel);
>         Card4Panel.setLayout(Card4PanelLayout);
>         Card4PanelLayout.setHorizontalGroup(
>            
>
Card4PanelLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
>            
> .add(Card4PanelLayout.createSequentialGroup()
>                 .add(74, 74, 74)
>                 .add(Change2Card1Button)
>                 .add(68, 68, 68)
>                 .add(Change2Card2Button)
>                 .addContainerGap(42,
> Short.MAX_VALUE))
>         );
>  
>         Card4PanelLayout.linkSize(new
> java.awt.Component[]
> {Change2Card1Button, Change2Card2Button},
> org.jdesktop.layout.GroupLayout.HORIZONTAL);
>  
>         Card4PanelLayout.setVerticalGroup(
>            
>
Card4PanelLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
>            
> .add(Card4PanelLayout.createSequentialGroup()
>                 .add(62, 62, 62)
>                
>
.add(Card4PanelLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
>                     .add(Change2Card1Button)
>                     .add(Change2Card2Button))
>                 .addContainerGap(233,
> Short.MAX_VALUE))
>         );
>  
>         Card4PanelLayout.linkSize(new
> java.awt.Component[]
> {Change2Card1Button, Change2Card2Button},
> org.jdesktop.layout.GroupLayout.VERTICAL);
>  
>         LoaderPanel.add(Card4Panel, "2buttoncard");
>  
>         org.jdesktop.layout.GroupLayout layout = new
> org.jdesktop.layout.GroupLayout(getContentPane());
>         getContentPane().setLayout(layout);
>         layout.setHorizontalGroup(
>            
>
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
>             .add(layout.createSequentialGroup()
>                 .add(58, 58, 58)
>                 .add(LoaderPanel,
> org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 446,
> org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
>                 .addContainerGap(61,
> Short.MAX_VALUE))
>         );
>         layout.setVerticalGroup(
>            
>
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
>             .add(layout.createSequentialGroup()
>                 .add(34, 34, 34)
>                 .add(LoaderPanel,
> org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 318,
> org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
>                 .addContainerGap(42,
> Short.MAX_VALUE))
>         );
>         java.awt.Dimension screenSize =
>
java.awt.Toolkit.getDefaultToolkit().getScreenSize();
>         setBounds((screenSize.width-573)/2,
> (screenSize.height-428)/2, 573,
> 428);
>     }// </editor-fold>
>  
>     private void
>
Change2Card2ButtonActionPerformed(java.awt.event.ActionEvent
> evt) {
>         //Go to Card1
>         CardLayout cl =
> (CardLayout)(LoaderPanel.getLayout());
>         cl.show(LoaderPanel, "card1");
>     }
>  
>     private void
>
Change2Card1ButtonActionPerformed(java.awt.event.ActionEvent
> evt) {
>         //Go to Card3 in another class
>         CardLayout cl =
> (CardLayout)(LoaderPanel.getLayout());
>         cl.show(LoaderPanel, "anotherclass");
>     }
>  
>     private void initOtherClassComponents()
>     {
>         LoaderPanel.add(myDifClassCard,
> "anotherclass");
>     }
>     
>     private void
>
Card1ButtonActionPerformed(java.awt.event.ActionEvent
> evt)
> {                                            
>         //Go to Card4
>         CardLayout cl =
> (CardLayout)(LoaderPanel.getLayout());
>         cl.show(LoaderPanel, "2buttoncard");
>         //CardLoad();
>     }                                           
>  
>     private void
>
Card2ButtonActionPerformed(java.awt.event.ActionEvent
> evt)
> {                                            
>         //Go to Card2
>         CardLayout cl =
> (CardLayout)(LoaderPanel.getLayout());
>         cl.show(LoaderPanel, "card2"); 
>     }                                           
>     
>     public void CardLoad()
>     {
>         //Load Card4 from another class
>         System.out.println("Program Flow Passed");
>         CardLayout cl =
> (CardLayout)(LoaderPanel.getLayout());
>         cl.show(LoaderPanel, "2buttoncard");
>     }
>     /**
>      * @param args the command line arguments
>      */
>     public static void main(String args[]) {
>         java.awt.EventQueue.invokeLater(new
> Runnable() {
>             public void run() {
>                new
> CardLayoutFrameTest().setVisible(true);             
>   
>             }
>         });
>     }
>     
>     // Variables declaration - do not modify
>     private javax.swing.JButton Card1Button;
>     private javax.swing.JPanel Card1Panel;
>     private javax.swing.JButton Card2Button;
>     private javax.swing.JPanel Card2Panel;
>     private javax.swing.JPanel Card4Panel;
>     private javax.swing.JButton Change2Card1Button;
>     private javax.swing.JButton Change2Card2Button;
>     private javax.swing.JPanel LoaderPanel;
>     // End of variables declaration
>     
>     DifClassCard myDifClassCard = new
> DifClassCard();
> }//End CardLayoutFrameTest
> 
> 
> 
> Here is my code for the other class that I can get
> to load, but can't get
> anything to load when I push its button:
> 
> 
> package layout;
>  
> import javax.swing.*;
> import java.awt.*;
>  
> public class DifClassCard extends javax.swing.JPanel
> {
>     
>     /** Creates new form DifClassCard */
>     public DifClassCard() {
>         initComponents();
>     }
>     
>     /** This method is called from within the
> constructor to
>      * initialize the form.
>      * WARNING: Do NOT modify this code. The content
> of this method is
>      * always regenerated by the Form Editor.
>      */
>     // <editor-fold defaultstate="collapsed" desc="
> Generated Code ">
>     private void initComponents() {
>         DescriptionLabel = new javax.swing.JLabel();
>         OtherClassButton = new
> javax.swing.JButton();
>  
>         setBackground(new java.awt.Color(153, 255,
> 153));
>         setMaximumSize(new java.awt.Dimension(400,
> 225));
>         setMinimumSize(new java.awt.Dimension(400,
> 225));
>         setPreferredSize(new java.awt.Dimension(400,
> 225));
>         DescriptionLabel.setText("Card from another
> class");
>  
>         OtherClassButton.setText("Go to Card1 in
> another class");
>         OtherClassButton.addActionListener(new
> java.awt.event.ActionListener() {
>             public void
> actionPerformed(java.awt.event.ActionEvent evt) {
>                
> OtherClassButtonActionPerformed(evt);
>             }
>         });
>  
>         org.jdesktop.layout.GroupLayout layout = new
> org.jdesktop.layout.GroupLayout(this);
>         this.setLayout(layout);
>         layout.setHorizontalGroup(
>            
>
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
>             .add(layout.createSequentialGroup()
>                
>
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
>                    
> .add(layout.createSequentialGroup()
>                         .add(130, 130, 130)
>                         .add(DescriptionLabel))
>                    
> .add(layout.createSequentialGroup()
>                         .add(104, 104, 104)
>                         .add(OtherClassButton)))
>                 .addContainerGap(127,
> Short.MAX_VALUE))
>         );
>         layout.setVerticalGroup(
>            
>
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
>             .add(layout.createSequentialGroup()
>                 .add(47, 47, 47)
>                 .add(DescriptionLabel)
>                 .add(30, 30, 30)
>                 .add(OtherClassButton)
>                 .addContainerGap(111,
> Short.MAX_VALUE))
>         );
>     }// </editor-fold>
>  
>     private void
>
OtherClassButtonActionPerformed(java.awt.event.ActionEvent
> evt) {                                              
>   
>         //Go to a card in another class
>         //Go to Card1
>         CardLayoutFrameTest myMainCard = new
> CardLayoutFrameTest();
>         myMainCard.CardLoad();
>     }                                               
> 
>     
>     
>     // Variables declaration - do not modify
>     private javax.swing.JLabel DescriptionLabel;
>     private javax.swing.JButton OtherClassButton;
>     // End of variables declaration
>     
> }//End DifClassCard
> 
> 
> 
> Hopefully that isn't too confusing, thanks for any
> suggestions in advance.
> -- 
> View this message in context:
>
http://www.nabble.com/Cardlayout-Problem-tf3952032.html#a11212236
> Sent from the Netbeans - UI mailing list archive at
> Nabble.com.
>