Re: How to stop dynamic component resizing in GBL?

[kynn]

   From: "Singh,Gary - PLANO" <[EMAIL PROTECTED]>
   Cc: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>
   Date: Wed, 24 Oct 2001 11:04:39 -0500

    set the weightx property of GridBagConstraints as 0 this is will not strech
   the component in cell

Did you try this?  When I tried it, the unwanted resizings still
occurred (code below).

Moreover, even if this solution had worked, I suspect it would have
supressed all resizing, even those that are wanted, such as when the
user resizes the application window.  This would be particularly
problematic when instead of a button, the component with varying
contents is, say, a JScrollPane containing a JTextArea (which the user
may want to enlarge).

KJ

import javax.swing.*;
import javax.swing.tree.*;
import java.awt.*;
import java.awt.event.*;

public class Sick2 extends JPanel {

  private static JFrame frame;
  private JScrollPane scrollPane;
  private JPanel panel;
  private JTree tree;
  private JButton button;
  private GridBagLayout gbl;
  private JList list;
  private final String LONG_LABEL = "v e r y   l o n g";
  private final String SHORT_LABEL = "short";

  public Sick2() {
    super();
    gbl = new GridBagLayout();
    setLayout(gbl);

    GridBagConstraints gbc;

    tree = new JTree
      (new DefaultTreeModel(new DefaultMutableTreeNode("Minimal tree")));
    scrollPane = new JScrollPane(tree);
    scrollPane.setMinimumSize(scrollPane.getPreferredSize());

    gbc = getBaseConstraints();
    gbc.gridx = 0; gbc.gridy = 0;
    gbc.weightx = 1.;
    add(scrollPane, gbc);

    button = new JButton(LONG_LABEL);
    button.addActionListener(new MyButtonListener());

    panel = new JPanel();
    panel.add(button);

    gbc = getBaseConstraints();
    gbc.gridx = 1; gbc.gridy = 0;
    gbc.weightx = 0.;
    add(panel, gbc);
  }

  private GridBagConstraints getBaseConstraints() {
    GridBagConstraints baseGbc = new GridBagConstraints();
    baseGbc.weightx = baseGbc.weighty = 1.;
    baseGbc.fill = GridBagConstraints.BOTH;
    return baseGbc;
  }

  private class MyButtonListener implements ActionListener {
    public void actionPerformed(ActionEvent e) {
      String text = button.getText();
      if(text.equals(LONG_LABEL)) {
        button.setText(SHORT_LABEL);
      }
      else {
        button.setText(LONG_LABEL);
      }
    }
  }

  public static void main(String[] args) {
    frame = new JFrame();
    frame.getContentPane().add(new Sick2(), "Center");
    frame.pack();
    frame.show();
  }
}
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