Re: Simple BorderLayout problem

From:
markspace <nospam@nowhere.com>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 16 Feb 2010 13:04:54 -0800
Message-ID:
<hlf19s$fsl$1@news.eternal-september.org>
Fencer wrote:

One question about my program code, if I want to make the buttons have
the same width, how should I do that?


I just click the "same size" button. (In the code below, I think that's
implemented with the jPanel1Layout.linkSize(...) call.)

Here's some code that took me less than five minutes to lay out in a GUI
editor. It's not exactly the same as your code, but I did it by eye
rather than carefully copying what you did. And the buttons are
constrained to be the same size.

/*
  * BioModelExplorer.java
  *
  * Created on Feb 16, 2010, 12:55:06 PM
  */

package test;

public class BioModelExplorer extends javax.swing.JFrame {

     /** Creates new form BioModelExplorer */
     public BioModelExplorer() {
         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.
      */
     @SuppressWarnings("unchecked")
     // <editor-fold defaultstate="collapsed" desc="Generated Code">
     private void initComponents() {

         jPanel1 = new javax.swing.JPanel();
         jButton1 = new javax.swing.JButton();
         jButton2 = new javax.swing.JButton();
         jPanel2 = new javax.swing.JPanel();
         jLabel1 = new javax.swing.JLabel();

 
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

 
jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Start a
new session"));

         jButton1.setText("Open BioModel");

         jButton2.setText("Load a Saved Session");

         javax.swing.GroupLayout jPanel1Layout = new
javax.swing.GroupLayout(jPanel1);
         jPanel1.setLayout(jPanel1Layout);
         jPanel1Layout.setHorizontalGroup(
 
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(jPanel1Layout.createSequentialGroup()
                 .addGap(28, 28, 28)
                 .addComponent(jButton1,
javax.swing.GroupLayout.PREFERRED_SIZE, 103,
javax.swing.GroupLayout.PREFERRED_SIZE)
                 .addGap(76, 76, 76)
                 .addComponent(jButton2,
javax.swing.GroupLayout.PREFERRED_SIZE, 137,
javax.swing.GroupLayout.PREFERRED_SIZE)
                 .addContainerGap(45, Short.MAX_VALUE))
         );

         jPanel1Layout.linkSize(javax.swing.SwingConstants.HORIZONTAL,
new java.awt.Component[] {jButton1, jButton2});

         jPanel1Layout.setVerticalGroup(
 
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(jPanel1Layout.createSequentialGroup()
                 .addGap(36, 36, 36)
 
..addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                     .addComponent(jButton2)
                     .addComponent(jButton1))
                 .addContainerGap(41, Short.MAX_VALUE))
         );

 
jPanel2.setBorder(javax.swing.BorderFactory.createLineBorder(new
java.awt.Color(51, 51, 255), 10));

         jLabel1.setText("Status bar...");

         javax.swing.GroupLayout jPanel2Layout = new
javax.swing.GroupLayout(jPanel2);
         jPanel2.setLayout(jPanel2Layout);
         jPanel2Layout.setHorizontalGroup(
 
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(jPanel2Layout.createSequentialGroup()
                 .addContainerGap()
                 .addComponent(jLabel1)
                 .addContainerGap(399, Short.MAX_VALUE))
         );
         jPanel2Layout.setVerticalGroup(
 
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(javax.swing.GroupLayout.Alignment.TRAILING,
jPanel2Layout.createSequentialGroup()
                 .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
                 .addComponent(jLabel1)
                 .addContainerGap())
         );

         javax.swing.GroupLayout layout = new
javax.swing.GroupLayout(getContentPane());
         getContentPane().setLayout(layout);
         layout.setHorizontalGroup(
 
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(layout.createSequentialGroup()
                 .addContainerGap()
 
..addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
 
..addGroup(javax.swing.GroupLayout.Alignment.TRAILING,
layout.createSequentialGroup()
                         .addComponent(jPanel2,
javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                         .addContainerGap())
 
..addGroup(javax.swing.GroupLayout.Alignment.TRAILING,
layout.createSequentialGroup()
                         .addComponent(jPanel1,
javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.PREFERRED_SIZE)
                         .addGap(44, 44, 44))))
         );
         layout.setVerticalGroup(
 
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
             .addGroup(javax.swing.GroupLayout.Alignment.TRAILING,
layout.createSequentialGroup()
                 .addGap(156, 156, 156)
                 .addComponent(jPanel1,
javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.PREFERRED_SIZE)
 
..addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED,
118, Short.MAX_VALUE)
                 .addComponent(jPanel2,
javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.PREFERRED_SIZE)
                 .addContainerGap())
         );

         pack();
     }// </editor-fold>

     /**
     * @param args the command line arguments
     */
     public static void main(String args[]) {
         java.awt.EventQueue.invokeLater(new Runnable() {
             public void run() {
                 new BioModelExplorer().setVisible(true);
             }
         });
     }

     // Variables declaration - do not modify
     private javax.swing.JButton jButton1;
     private javax.swing.JButton jButton2;
     private javax.swing.JLabel jLabel1;
     private javax.swing.JPanel jPanel1;
     private javax.swing.JPanel jPanel2;
     // End of variables declaration

}

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