SelectGroups.java

/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2000 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.jini;

import java.beans.*;
import java.util.*;

import javax.swing.*;

import net.jini.discovery.*;

/**
 * A dialog for creating new multicast discovery.
 *
 * @author  Petr Kuzel
 * @version 
 */
public class SelectGroups extends javax.swing.JPanel implements PropertyChangeListener {

    DefaultComboBoxModel cbmodel;

    /** Creates new form SelectGroups */
    public SelectGroups() {
        initComponents ();
        group = new javax.swing.ButtonGroup();
        group.add(allGroups);
        group.add(custom);
        allGroups.setSelected(true);

        BrowserModel browser = BrowserModel.getDefault();
        browser.addPropertyChangeListener(this);
        String[] items = browser.getDiscoveredGroups();

        cbmodel = new DefaultComboBoxModel(items);
        groupComboBox.setModel(cbmodel);

        setPreferredSize (new java.awt.Dimension(250, 300));

    }

    /** 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 FormEditor.
     */
    private void initComponents () {//GEN-BEGIN:initComponents
        allGroups = new javax.swing.JRadioButton ();
        custom = new javax.swing.JRadioButton ();
        groupComboBox = new javax.swing.JComboBox ();
        setLayout (new java.awt.GridBagLayout ());
        java.awt.GridBagConstraints gridBagConstraints1;
        setPreferredSize (new java.awt.Dimension(160, 200));
        setBorder (new javax.swing.border.EmptyBorder(new java.awt.Insets(4, 4, 4, 4)));

        allGroups.setText ("All groups");
        allGroups.addActionListener (new java.awt.event.ActionListener () {
                                         public void actionPerformed (java.awt.event.ActionEvent evt) {
                                             allGroupsActionPerformed (evt);
                                         }
                                     }
                                    );


        gridBagConstraints1 = new java.awt.GridBagConstraints ();
        gridBagConstraints1.gridwidth = 0;
        gridBagConstraints1.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints1.insets = new java.awt.Insets (4, 4, 4, 4);
        gridBagConstraints1.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints1.weightx = 1.0;
        add (allGroups, gridBagConstraints1);

        custom.setText ("Custom");
        custom.addActionListener (new java.awt.event.ActionListener () {
                                      public void actionPerformed (java.awt.event.ActionEvent evt) {
                                          customActionPerformed (evt);
                                      }
                                  }
                                 );


        gridBagConstraints1 = new java.awt.GridBagConstraints ();
        gridBagConstraints1.gridwidth = 0;
        gridBagConstraints1.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints1.insets = new java.awt.Insets (4, 4, 4, 4);
        gridBagConstraints1.anchor = java.awt.GridBagConstraints.WEST;
        add (custom, gridBagConstraints1);



        gridBagConstraints1 = new java.awt.GridBagConstraints ();
        gridBagConstraints1.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints1.insets = new java.awt.Insets (4, 24, 4, 4);
        gridBagConstraints1.anchor = java.awt.GridBagConstraints.NORTH;
        gridBagConstraints1.weightx = 1.0;
        gridBagConstraints1.weighty = 1.0;
        add (groupComboBox, gridBagConstraints1);

    }//GEN-END:initComponents

    private void customActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_customActionPerformed
        // Add your handling code here:
        groupComboBox.setEnabled(true);
    }//GEN-LAST:event_customActionPerformed

    private void allGroupsActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_allGroupsActionPerformed
        // Add your handling code here:
        groupComboBox.setEnabled(false);
    }//GEN-LAST:event_allGroupsActionPerformed


    /** @return user selection. */
    public String[] getGroups() {
        if (allGroups.isSelected())
            return LookupDiscovery.ALL_GROUPS;
        else
            try {
                return new String[] { groupComboBox.getSelectedItem().toString() };
            } catch (NullPointerException ex) {
                // not item selected return no groups #5875
                return LookupDiscovery.NO_GROUPS;
            }

    }

    /** Notify that the source brovser has changed state. */
    public void propertyChange(final PropertyChangeEvent e) {
        if ("services".equals(e.getPropertyName()) ) {
            String[] grps = ((BrowserModel)e.getSource()).getDiscoveredGroups();
            for (int i = 0; i<grps.length; i++) {
                if (0 > cbmodel.getIndexOf(grps[i]))
                    cbmodel.addElement(grps[i]);
            }
        }
    }


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JRadioButton allGroups;
    private javax.swing.JRadioButton custom;
    private javax.swing.JComboBox groupComboBox;
    // End of variables declaration//GEN-END:variables

    private javax.swing.ButtonGroup group;
}


/*
* <<Log>>
*  5    Gandalf-post-FCS1.3.1.0     3/1/00   Petr Kuzel      bug fix
*  4    Gandalf   1.3         2/3/00   Petr Kuzel      Be smart and documented
*  3    Gandalf   1.2         2/2/00   Petr Kuzel      Jini module upon 1.1alpha
*  2    Gandalf   1.1         10/23/99 Ian Formanek    NO SEMANTIC CHANGE - Sun 
*       Microsystems Copyright in File Comment
*  1    Gandalf   1.0         7/30/99  Martin Ryzl     
* $ 
*/