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From: Knute Johnson <nospam@knutejohnson.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: How to align swing buttons vertically ?
Date: Sun, 13 Nov 2011 16:16:13 -0800
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On 11/13/2011 12:17 PM, Olivier Scalbert wrote:
> On 11/13/2011 08:01 PM, Knute Johnson wrote:
>>
>> import java.awt.*;
>> import java.awt.event.*;
>> import javax.swing.*;
>>
>> public class test extends JPanel {
>>      public test() {
>>          super(new GridBagLayout());
>>
>>          GridBagConstraints c = new GridBagConstraints();
>>          c.fill = GridBagConstraints.HORIZONTAL;
>>          c.gridy = 0;
>>
>>          String labels[] = {"Button 1","Button 2",
>>           "Long Button 3","Button 4","Button 5"};
>>
>>          for (int i=0; i<labels.length; i++) {

             if (i == labels.length - 1) {  // last label
                 // anchor last button to north and give it
                 // a weighty of 1.0.  this will tell that
                 // button to take all remaining vertical
                 // space and will push all the other
                 // buttons to top of the container
                 c.anchor = GridBagConstraints.NORTH;
                 c.weighty = 1.0
             }

>>              add(new JButton(labels[i]),c);
>>              ++c.gridy;
>>          }
>>      }
>>
>>      public static void main(String[] args) {
>>          EventQueue.invokeLater(new Runnable() {
>>              public void run() {
>>                  JFrame f = new JFrame();
>>                  f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
>>                  f.add(new test(),BorderLayout.EAST);
>>                  f.setSize(700,500);
>>                  f.setVisible(true);
>>              }
>>          });
>>      }
>> }
>>
> Ok, all the buttons have the same size and are aligned ! When I resize
> the main frame, the group of buttons is in the EAST part but in the
> middle of the frame height. Is it possible the have this group on top
> (of the EAST part) ?


-- 

Knute Johnson